src/opserv.c

   1 /* opserv.c - IRC Operator assistance service
   2  * Copyright 2000-2004 srvx Development Team
   3  *
   4  * This file is part of x3.
   5  *
   6  * srvx is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with srvx; if not, write to the Free Software Foundation,
  18  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
  19  */
  20
  21 #include "conf.h"
  22 #include "gline.h"
  23 #include "global.h"
  24 #include "nickserv.h"
  25 #include "modcmd.h"
  26 #include "opserv.h"
  27 #include "timeq.h"
  28 #include "saxdb.h"
  29
  30 #ifdef HAVE_SYS_TIMES_H
  31 #include <sys/times.h>
  32 #endif
  33 #ifdef HAVE_NETINET_IN_H
  34 #include <netinet/in.h>
  35 #endif
  36 #ifdef HAVE_ARPA_INET_H
  37 #include <arpa/inet.h>
  38 #endif
  39
  40 #define OPSERV_CONF_NAME "services/opserv"
  41
  42 #define KEY_ALERT_CHANNEL "alert_channel"
  43 #define KEY_ALERT_CHANNEL_MODES "alert_channel_modes"
  44 #define KEY_DEBUG_CHANNEL "debug_channel"
  45 #define KEY_DEBUG_CHANNEL_MODES "debug_channel_modes"
  46 #define KEY_UNTRUSTED_MAX "untrusted_max"
  47 #define KEY_PURGE_LOCK_DELAY "purge_lock_delay"
  48 #define KEY_JOIN_FLOOD_MODERATE "join_flood_moderate"
  49 #define KEY_JOIN_FLOOD_MODERATE_THRESH "join_flood_moderate_threshold"
  50 #define KEY_NICK "nick"
  51 #define KEY_JOIN_POLICER "join_policer"
  52 #define KEY_NEW_USER_POLICER "new_user_policer"
  53 #define KEY_REASON "reason"
  54 #define KEY_RESERVES "reserves"
  55 #define KEY_IDENT "username" /* for compatibility with 1.0 DBs */
  56 #define KEY_HOSTNAME "hostname"
  57 #define KEY_DESC "description"
  58 #define KEY_BAD_WORDS "bad"
  59 #define KEY_EXEMPT_CHANNELS "exempt"
  60 #define KEY_SECRET_WORDS "secret"
  61 #define KEY_TRUSTED_HOSTS "trusted"
  62 #define KEY_OWNER "owner"
  63 #define KEY_GAGS "gags"
  64 #define KEY_ALERTS "alerts"
  65 #define KEY_REACTION "reaction"
  66 #define KEY_DISCRIM "discrim"
  67 #define KEY_WARN "chanwarn"
  68 #define KEY_MAX "max"
  69 #define KEY_TIME "time"
  70 #define KEY_MAX_CLIENTS "max_clients"
  71 #define KEY_LIMIT "limit"
  72 #define KEY_EXPIRES "expires"
  73 #define KEY_STAFF_AUTH_CHANNEL "staff_auth_channel"
  74 #define KEY_STAFF_AUTH_CHANNEL_MODES "staff_auth_channel_modes"
  75 #define KEY_CLONE_GLINE_DURATION "clone_gline_duration"
  76 #define KEY_BLOCK_GLINE_DURATION "block_gline_duration"
  77 #define KEY_ISSUER "issuer"
  78 #define KEY_ISSUED "issued"
  79 #define KEY_ADMIN_LEVEL "admin_level"
  80
  81 #define IDENT_FORMAT            "%s [%s@%s/%s]"
  82 #define IDENT_DATA(user)        user->nick, user->ident, user->hostname, inet_ntoa(user->ip)
  83 #define MAX_CHANNELS_WHOIS      50
  84 #define OSMSG_PART_REASON       "%s has no reason."
  85 #define OSMSG_KICK_REQUESTED    "Kick requested by %s."
  86 #define OSMSG_KILL_REQUESTED    "Kill requested by %s."
  87 #define OSMSG_GAG_REQUESTED     "Gag requested by %s."
  88
  89 static const struct message_entry msgtab[] = {
  90     { "OSMSG_BAR", "----------------------------------------" },
  91     { "OSMSG_USER_ACCESS_IS", "$b%s$b (account $b%s$b) has %d access." },
  92     { "OSMSG_LEVEL_TOO_LOW", "You lack sufficient access to use this command." },
  93     { "OSMSG_NEED_CHANNEL", "You must specify a channel for $b%s$b." },
  94     { "OSMSG_INVALID_IRCMASK", "$b%s$b is an invalid IRC hostmask." },
  95     { "OSMSG_ADDED_BAN", "I have banned $b%s$b from $b%s$b." },
  96     { "OSMSG_GLINE_ISSUED", "G-line issued for $b%s$b." },
  97     { "OSMSG_GLINE_REMOVED", "G-line removed for $b%s$b." },
  98     { "OSMSG_GLINE_FORCE_REMOVED", "Unknown/expired G-line removed for $b%s$b." },
  99     { "OSMSG_GLINES_ONE_REFRESHED", "All G-lines resent to $b%s$b." },
 100     { "OSMSG_GLINES_REFRESHED", "All G-lines refreshed." },
 101     { "OSMSG_CLEARBANS_DONE", "Cleared all bans from channel $b%s$b." },
 102     { "OSMSG_CLEARMODES_DONE", "Cleared all modes from channel $b%s$b." },
 103     { "OSMSG_NO_CHANNEL_MODES", "Channel $b%s$b had no modes to clear." },
 104     { "OSMSG_DEOP_DONE", "Deopped the requested lusers." },
 105     { "OSMSG_DEOPALL_DONE", "Deopped everyone on $b%s$b." },
 106     { "OSMSG_DEHOP_DONE", "Dehalfopped the requested lusers." },
 107     { "OSMSG_DEHOPALL_DONE", "Dehalfopped everyone on $b%s$b." },
 108     { "OSMSG_NO_DEBUG_CHANNEL", "No debug channel has been configured." },
 109     { "OSMSG_INVITE_DONE", "Invited $b%s$b to $b%s$b." },
 110     { "OSMSG_ALREADY_THERE", "You are already in $b%s$b." },
 111     { "OSMSG_JOIN_DONE", "I have joined $b%s$b." },
 112     { "OSMSG_ALREADY_JOINED", "I am already in $b%s$b." },
 113     { "OSMSG_NOT_ON_CHANNEL", "$b%s$b does not seem to be on $b%s$b." },
 114     { "OSMSG_KICKALL_DONE", "I have cleared out %s." },
 115     { "OSMSG_LEAVING", "Leaving $b%s$b." },
 116     { "OSMSG_MODE_SET", "I have set the modes for $b%s$b." },
 117     { "OSMSG_OP_DONE", "Opped the requested lusers." },
 118     { "OSMSG_OPALL_DONE", "Opped everyone on $b%s$b." },
 119     { "OSMSG_HOP_DONE", "Halfopped the requested lusers." },
 120     { "OSMSG_HOPALL_DONE", "Halfopped everyone on $b%s$b." },
 121     { "OSMSG_WHOIS_IDENT", "%s (%s@%s) from %d.%d.%d.%d" },
 122     { "OSMSG_WHOIS_NICK", "Nick    : %s" },
 123     { "OSMSG_WHOIS_HOST", "Host    : %s@%s" },
 124     { "OSMSG_WHOIS_FAKEHOST", "Fakehost: %s" },
 125     { "OSMSG_WHOIS_IP",   "Real IP : %s" },
 126     { "OSMSG_WHOIS_MODES", "Modes   : +%s " },
 127     { "OSMSG_WHOIS_INFO", "Info    : %s" },
 128     { "OSMSG_WHOIS_NUMERIC", "Numnick : %s" },
 129     { "OSMSG_WHOIS_SERVER", "Server  : %s" },
 130     { "OSMSG_WHOIS_NICK_AGE", "Nick Age: %s" },
 131     { "OSMSG_WHOIS_ACCOUNT", "Account : %s" },
 132     { "OSMSG_WHOIS_CHANNELS", "Channels: %s" },
 133     { "OSMSG_WHOIS_HIDECHANS", "Channel list omitted for your sanity." },
 134     { "OSMSG_UNBAN_DONE", "Ban(s) removed from channel %s." },
 135     { "OSMSG_CHANNEL_VOICED", "All users on %s voiced." },
 136     { "OSMSG_CHANNEL_DEVOICED", "All voiced users on %s de-voiced." },
 137     { "OSMSG_BAD_MODIFIER", "Unknown bad-word modifier $b%s$b." },
 138     { "OSMSG_BAD_REDUNDANT", "$b%s$b is already covered by a bad word ($b%s$b)." },
 139     { "OSMSG_BAD_GROWING", "Replacing bad word $b%s$b with shorter bad word $b%s$b." },
 140     { "OSMSG_BAD_NUKING", " .. and removing redundant bad word $b%s$b." },
 141     { "OSMSG_ADDED_BAD", "Added $b%s$b to the bad-word list." },
 142     { "OSMSG_REMOVED_BAD", "Removed $b%s$b from the bad-word list." },
 143     { "OSMSG_NOT_BAD_WORD", "$b%s$b is not a bad word." },
 144     { "OSMSG_ADDED_EXEMPTION", "Added $b%s$b to the bad-word exemption list." },
 145     { "OSMSG_ADDED_EXEMPTIONS", "Added %d exception(s) to the bad word list." },
 146     { "OSMSG_REMOVED_EXEMPTION", "Removed $b%s$b from the exemption list." },
 147     { "OSMSG_NOT_EXEMPT", "$b%s$b is not on the exempt list." },
 148     { "OSMSG_ALREADY_TRUSTED", "Host $b%s$b is already trusted (use $bdeltrust$b and then $baddtrust$b to adjust)." },
 149     { "OSMSG_NOT_TRUSTED", "Host $b%s$b is not trusted." },
 150     { "OSMSG_BAD_IP", "$b%s$b is not a valid IP address" },
 151     { "OSMSG_BAD_NUMBER", "$b%s$b is not a number" },
 152     { "OSMSG_ADDED_TRUSTED", "Added trusted hosts to the trusted-hosts list." },
 153     { "OSMSG_UPDATED_TRUSTED", "Updated trusted host $b%s$b." },
 154     { "OSMSG_REMOVED_TRUSTED", "Removed trusted hosts from the trusted-hosts list." },
 155     { "OSMSG_CLONE_EXISTS", "Nick $b%s$b is already in use." },
 156     { "OSMSG_NOT_A_HOSTMASK", "The hostmask must be in user@host form." },
 157     { "OSMSG_BADWORD_LIST", "Bad words: %s" },
 158     { "OSMSG_EXEMPTED_LIST", "Exempted channels: %s" },
 159     { "OSMSG_GLINE_COUNT", "There are %d glines active on the network." },
 160     { "OSMSG_LINKS_SERVER", "%s%s (%u clients; %s)" },
 161     { "OSMSG_MAX_CLIENTS", "Max clients: %d at %s" },
 162     { "OSMSG_NETWORK_INFO", "Total users: %d (%d invisible, %d opers)" },
 163     { "OSMSG_RESERVED_LIST", "List of reserved nicks:" },
 164     { "OSMSG_TRUSTED_LIST", "$bTrusted Hosts$b" },
 165     { "OSMSG_TRUSTED_LIST_HEADER", "IP Address      Limit By        Time" },
 166     { "OSMSG_HOST_IS_TRUSTED",      "%-15s %-5s %-10s set %s ago, expires %s" },
 167     { "OSMSG_HOST_IS_TRUSTED_DESC", "  Reason: %s" },
 168     { "OSMSG_TRUSTED_LIST_BAR", "----------------------------------------" },
 169     { "OSMSG_TRUSTED_LIST_END", "----------End of Trusted Hosts----------" },
 170     { "OSMSG_HOST_NOT_TRUSTED", "%s does not have a special trust." },
 171     { "OSMSG_UPTIME_STATS", "Uptime: %s (%u lines processed, CPU time %.2fu/%.2fs)" },
 172     { "OSMSG_LINE_DUMPED", "Raw line sent." },
 173     { "OSMSG_RAW_PARSE_ERROR", "Error parsing raw line (not dumping to uplink)." },
 174     { "OSMSG_COLLIDED_NICK", "Now temporarily holding nick $b%s$b." },
 175     { "OSMSG_RESERVED_NICK", "Now reserving nick $b%s$b." },
 176     { "OSMSG_NICK_UNRESERVED", "Nick $b%s$b is no longer reserved." },
 177     { "OSMSG_NOT_RESERVED", "Nick $b%s$b is not reserved." },
 178     { "OSMSG_ILLEGAL_REASON", "This channel is illegal." },
 179     { "OSMSG_ILLEGAL_KILL_REASON", "Joined an illegal modeless channel - do not repeat." },
 180     { "OSMSG_ILLEGAL_CHANNEL", "$b%s$b is an ILLEGAL channel. Do not re-join it." },
 181     { "OSMSG_FLOOD_MODERATE", "This channel has been temporarily moderated due to a possible join flood attack detected in this channel; network staff have been notified and will investigate." },
 182     { "OSMSG_CLONE_WARNING", "WARNING: You have connected the maximum permitted number of clients from one IP address (clones).  If you connect any more, your host will be temporarily banned from the network." },
 183     { "OSMSG_CLONE_ADDED", "Added clone $b%s$b." },
 184     { "OSMSG_CLONE_FAILED", "Unable to add user $b%s$b." },
 185     { "OSMSG_NOT_A_CLONE", "Har har.  $b%s$b isn't a clone." },
 186     { "OSMSG_CLONE_REMOVED", "Removed clone $b%s$b." },
 187     { "OSMSG_CLONE_JOINED", "$b%s$b has joined $b%s$b." },
 188     { "OSMSG_CLONE_PARTED", "$b%s$b has left $b%s$b." },
 189     { "OSMSG_OPS_GIVEN", "I have given ops in $b%s$b to $b%s$b." },
 190     { "OSMSG_HOPS_GIVEN", "I have given halfops in $b%s$b to $b%s$b." },
 191     { "OSMSG_CLONE_SAID", "$b%s$b has spoken to $b%s$b." },
 192     { "OSMSG_UNKNOWN_SUBCOMMAND", "$b%s$b is not a valid subcommand of $b%s$b." },
 193     { "OSMSG_UNKNOWN_OPTION", "$b%s$b has not been set." },
 194     { "OSMSG_OPTION_IS", "$b%s$b is set to $b%s$b." },
 195     { "OSMSG_OPTION_ROOT", "The following keys can be queried:" },
 196     { "OSMSG_OPTION_LIST", "$b%s$b contains the following values:" },
 197     { "OSMSG_OPTION_KEYS", "$b%s$b contains the following keys:" },
 198     { "OSMSG_OPTION_LIST_EMPTY", "Empty list." },
 199     { "OSMSG_SET_NOT_SET", "$b%s$b does not exist, and cannot be set." },
 200     { "OSMSG_SET_BAD_TYPE", "$b%s$b is not a string, and cannot be set." },
 201     { "OSMSG_SET_SUCCESS", "$b%s$b has been set to $b%s$b." },
 202     { "OSMSG_SETTIME_SUCCESS", "Set time for servers named like $b%s$b." },
 203     { "OSMSG_BAD_ACTION", "Unrecognized trace action $b%s$b." },
 204     { "OSMSG_USER_SEARCH_RESULTS", "The following users were found:" },
 205     { "OSMSG_USER_SEARCH_HEADER", "Nick                  User@Host   (Account)" },
 206     { "OSMSG_USER_SEARCH_BAR",    "-------------------------------------------" },
 207     { "OSMSG_USER_SEARCH_COUNT",  "There were %4u matches" },
 208     { "OSMSG_USER_SEARCH_COUNT_BAR",  "------------ Found %4u matches -----------" },
 209     { "OSMSG_CHANNEL_SEARCH_RESULTS", "The following channels were found:" },
 210     { "OSMSG_GLINE_SEARCH_RESULTS", "The following glines were found:" },
 211     { "OSMSG_LOG_SEARCH_RESULTS", "The following log entries were found:" },
 212     { "OSMSG_GSYNC_RUNNING", "Synchronizing glines from %s." },
 213     { "OSMSG_GTRACE_FORMAT", "%s (issued %s by %s, expires %s): %s" },
 214     { "OSMSG_GAG_APPLIED", "Gagged $b%s$b, affecting %d users." },
 215     { "OSMSG_GAG_ADDED", "Gagged $b%s$b." },
 216     { "OSMSG_REDUNDANT_GAG", "Gag $b%s$b is redundant." },
 217     { "OSMSG_GAG_NOT_FOUND", "Could not find gag $b%s$b." },
 218     { "OSMSG_NO_GAGS", "No gags have been set." },
 219     { "OSMSG_UNGAG_APPLIED", "Ungagged $b%s$b, affecting %d users." },
 220     { "OSMSG_UNGAG_ADDED", "Ungagged $b%s$b." },
 221     { "OSMSG_TIMEQ_INFO", "%u events in timeq; next in %lu seconds." },
 222     { "OSMSG_ALERT_EXISTS", "An alert named $b%s$b already exists." },
 223     { "OSMSG_UNKNOWN_REACTION", "Unknown alert reaction $b%s$b." },
 224     { "OSMSG_ADDED_ALERT", "Added alert named $b%s$b." },
 225     { "OSMSG_REMOVED_ALERT", "Removed alert named $b%s$b." },
 226     { "OSMSG_NO_SUCH_ALERT", "No alert named $b%s$b could be found." },
 227     { "OSMSG_ALERTS_LIST", "$bCurrent $O alerts$b" },
 228     { "OSMSG_ALERTS_BAR",    "----------------------------------------------" },
 229     { "OSMSG_ALERTS_HEADER", "Name                 Action (by Oper)" },
 230     { "OSMSG_ALERTS_DESC",   "   Criteria: %s" },
 231     { "OSMSG_ALERT_IS",      "$b%-20s$b %-6s (by %s)" },
 232     { "OSMSG_ALERT_END",     "----------------End of Alerts-----------------" },
 233     { "OSMSG_REHASH_COMPLETE", "Completed rehash of configuration database." },
 234     { "OSMSG_REHASH_FAILED", "Rehash of configuration database failed, previous configuration is intact." },
 235     { "OSMSG_REOPEN_COMPLETE", "Closed and reopened all log files." },
 236     { "OSMSG_RECONNECTING", "Reconnecting to my uplink." },
 237     { "OSMSG_NUMERIC_COLLIDE", "Numeric %d (%s) is already in use." },
 238     { "OSMSG_NAME_COLLIDE", "That name is already in use." },
 239     { "OSMSG_SRV_CREATE_FAILED", "Server creation failed -- check log files." },
 240     { "OSMSG_SERVER_JUPED", "Added new jupe server %s." },
 241     { "OSMSG_SERVER_NOT_JUPE", "That server is not a juped server." },
 242     { "OSMSG_SERVER_UNJUPED", "Server jupe removed." },
 243     /*
 244     { "OSMSG_WARN_ADDED", "Added channel activity warning for $b%s$b (%s)" },
 245     { "OSMSG_WARN_EXISTS", "Channel activity warning for $b%s$b already exists." },
 246     { "OSMSG_WARN_DELETED", "Removed channel activity warning for $b%s$b" },
 247     { "OSMSG_WARN_NOEXIST", "Channel activity warning for $b%s$b does not exist." },
 248     { "OSMSG_WARN_LISTSTART", "Channel activity warnings:" },
 249     { "OSMSG_WARN_LISTENTRY", "%s (%s)" },
 250     { "OSMSG_WARN_LISTEND", "End of activity warning list." },
 251     */
 252     { "OSMSG_UPLINK_CONNECTING", "Establishing connection with %s (%s:%d)." },
 253     { "OSMSG_CURRENT_UPLINK", "$b%s$b is already the current uplink." },
 254     { "OSMSG_INVALID_UPLINK", "$b%s$b is not a valid uplink name." },
 255     { "OSMSG_UPLINK_DISABLED", "$b%s$b is a disabled or unavailable uplink." },
 256     { "OSMSG_UPLINK_START", "Uplink $b%s$b:" },
 257     { "OSMSG_UPLINK_ADDRESS", "Address: %s:%d" },
 258     { "OSMSG_STUPID_GLINE", "Gline %s?  Now $bthat$b would be smooth." },
 259     { "OSMSG_ACCOUNTMASK_AUTHED", "Invalid criteria: it is impossible to match an account mask but not be authed" },
 260     { "OSMSG_CHANINFO_HEADER", "%s Information" },
 261     { "OSMSG_CHANINFO_TIMESTAMP", "Created on: %a %b %d %H:%M:%S %Y (%s)" },
 262     { "OSMSG_CHANINFO_MODES", "Modes: %s" },
 263     { "OSMSG_CHANINFO_MODES_BADWORD", "Modes: %s; bad-word channel" },
 264     { "OSMSG_CHANINFO_TOPIC", "Topic (set by %%s, %a %b %d %H:%M:%S %Y): %%s" },
 265     { "OSMSG_CHANINFO_TOPIC_UNKNOWN", "Topic: (none / not gathered)" },
 266     { "OSMSG_CHANINFO_BAN_COUNT", "Bans (%d):" },
 267     { "OSMSG_CHANINFO_BAN", "%%s by %%s (%a %b %d %H:%M:%S %Y)" },
 268     { "OSMSG_CHANINFO_EXEMPT_COUNT", "Exempts (%d):" },
 269     { "OSMSG_CHANINFO_EXEMPT", "%%s by %%s (%a %b %d %H:%M:%S %Y)" },
 270     { "OSMSG_CHANINFO_MANY_USERS", "%d users (\"/msg $S %s %s users\" for the list)" },
 271     { "OSMSG_CHANINFO_USER_COUNT", "Users (%d):" },
 272     { "OSMSG_CSEARCH_CHANNEL_INFO", "%s [%d users] %s %s" },
 273     { NULL, NULL }
 274 };
 275
 276 #define OPSERV_SYNTAX() svccmd_send_help_brief(user, opserv, cmd)
 277
 278 typedef int (*discrim_search_func)(struct userNode *match, void *extra);
 279
 280 struct userNode *opserv;
 281 static struct service *opserv_service;
 282
 283 /*static dict_t opserv_chan_warn; */ /* data is char* */
 284 static dict_t opserv_reserved_nick_dict; /* data is struct userNode* */
 285 static struct string_list *opserv_bad_words;
 286 static dict_t opserv_exempt_channels; /* data is not used */
 287 static dict_t opserv_trusted_hosts; /* data is struct trusted_host* */
 288 static dict_t opserv_hostinfo_dict; /* data is struct opserv_hostinfo* */
 289 static dict_t opserv_user_alerts; /* data is struct opserv_user_alert* */
 290 static dict_t opserv_nick_based_alerts; /* data is struct opserv_user_alert* */
 291 static dict_t opserv_channel_alerts; /* data is struct opserv_user_alert* */
 292 static struct module *opserv_module;
 293 static struct log_type *OS_LOG;
 294 static unsigned int new_user_flood;
 295 static char *level_strings[1001];
 296
 297 static struct {
 298     struct chanNode *debug_channel;
 299     struct chanNode *alert_channel;
 300     struct chanNode *staff_auth_channel;
 301     struct policer_params *join_policer_params;
 302     struct policer new_user_policer;
 303     unsigned long untrusted_max;
 304     unsigned long clone_gline_duration;
 305     unsigned long block_gline_duration;
 306     unsigned long purge_lock_delay;
 307     unsigned long join_flood_moderate;
 308     unsigned long join_flood_moderate_threshold;
 309     unsigned long admin_level;
 310 } opserv_conf;
 311
 312 struct trusted_host {
 313     char *ipaddr;
 314     char *issuer;
 315     char *reason;
 316     unsigned long limit;
 317     time_t issued;
 318     time_t expires;
 319 };
 320
 321 struct gag_entry {
 322     char *mask;
 323     char *owner;
 324     char *reason;
 325     time_t expires;
 326     struct gag_entry *next;
 327 };
 328
 329 static struct gag_entry *gagList;
 330
 331 struct opserv_hostinfo {
 332     struct userList clients;
 333     struct trusted_host *trusted;
 334 };
 335
 336 static void
 337 opserv_free_hostinfo(void *data)
 338 {
 339     struct opserv_hostinfo *ohi = data;
 340     userList_clean(&ohi->clients);
 341     free(ohi);
 342 }
 343
 344 typedef struct opservDiscrim {
 345     struct chanNode *channel;
 346     char *mask_nick, *mask_ident, *mask_host, *mask_info, *server, *ip_mask_str, *reason, *accountmask;
 347     unsigned long limit, ip_mask;
 348     struct in_addr ip_addr;
 349     unsigned int min_level, max_level, domain_depth, duration, min_clones, min_channels, max_channels;
 350     unsigned int match_opers : 1, option_log : 1;
 351     unsigned int chan_req_modes : 2, chan_no_modes : 2;
 352     int authed : 2, info_space : 2;
 353     time_t min_ts, max_ts;
 354 } *discrim_t;
 355
 356 struct discrim_and_source {
 357     discrim_t discrim;
 358     struct userNode *source;
 359     struct userNode *destination;
 360     dict_t dict;
 361     unsigned int disp_limit;
 362 };
 363
 364 static discrim_t opserv_discrim_create(struct userNode *user, struct userNode *bot, unsigned int argc, char *argv[], int allow_channel);
 365 static unsigned int opserv_discrim_search(discrim_t discrim, discrim_search_func dsf, void *data);
 366 static int gag_helper_func(struct userNode *match, void *extra);
 367 static int ungag_helper_func(struct userNode *match, void *extra);
 368
 369 typedef enum {
 370     REACT_NOTICE,
 371     REACT_KILL,
 372     REACT_GLINE
 373 } opserv_alert_reaction;
 374
 375 struct opserv_user_alert {
 376     char *owner;
 377     char *text_discrim, *split_discrim;
 378     discrim_t discrim;
 379     opserv_alert_reaction reaction;
 380 };
 381
 382 /* funny type to make it acceptible to dict_set_free_data, far below */
 383 static void
 384 opserv_free_user_alert(void *data)
 385 {
 386     struct opserv_user_alert *alert = data;
 387     if (alert->discrim->channel)
 388         UnlockChannel(alert->discrim->channel);
 389     free(alert->owner);
 390     free(alert->text_discrim);
 391     free(alert->split_discrim);
 392     free(alert->discrim->reason);
 393     free(alert->discrim);
 394     free(alert);
 395 }
 396
 397 #define opserv_debug(format...) do { if (opserv_conf.debug_channel) send_channel_notice(opserv_conf.debug_channel , opserv , ## format); } while (0)
 398 #define opserv_alert(format...) do { if (opserv_conf.alert_channel) send_channel_notice(opserv_conf.alert_channel , opserv , ## format); } while (0)
 399
 400 /* A lot of these commands are very similar to what ChanServ can do,
 401  * but OpServ can do them even on channels that aren't registered.
 402  */
 403
 404 static MODCMD_FUNC(cmd_access)
 405 {
 406     struct handle_info *hi;
 407     const char *target;
 408     unsigned int res;
 409
 410     target = (argc > 1) ? (const char*)argv[1] : user->nick;
 411     if (!irccasecmp(target, "*")) {
 412         nickserv_show_oper_accounts(user, cmd);
 413         return 1;
 414     }
 415     if (!(hi = modcmd_get_handle_info(user, target)))
 416         return 0;
 417     res = (argc > 2) ? oper_try_set_access(user, opserv_service->bot, hi, strtoul(argv[2], NULL, 0)) : 0;
 418     reply("OSMSG_USER_ACCESS_IS", target, hi->handle, hi->opserv_level);
 419     return res;
 420 }
 421
 422 static MODCMD_FUNC(cmd_ban)
 423 {
 424     struct mod_chanmode change;
 425     struct userNode *victim;
 426
 427     mod_chanmode_init(&change);
 428     change.argc = 1;
 429     change.args[0].mode = MODE_BAN;
 430     if (is_ircmask(argv[1]))
 431         change.args[0].u.hostmask = strdup(argv[1]);
 432     else if ((victim = GetUserH(argv[1])))
 433         change.args[0].u.hostmask = generate_hostmask(victim, 0);
 434     else {
 435         reply("OSMSG_INVALID_IRCMASK", argv[1]);
 436         return 0;
 437     }
 438     modcmd_chanmode_announce(&change);
 439     reply("OSMSG_ADDED_BAN", change.args[0].u.hostmask, channel->name);
 440     free((char*)change.args[0].u.hostmask);
 441     return 1;
 442 }
 443
 444 static MODCMD_FUNC(cmd_chaninfo)
 445 {
 446     char buffer[MAXLEN];
 447     const char *fmt;
 448     struct banNode *ban;
 449     struct exemptNode *exempt;
 450     struct modeNode *moden;
 451     unsigned int n;
 452
 453     reply("OSMSG_CHANINFO_HEADER", channel->name);
 454     fmt = user_find_message(user, "OSMSG_CHANINFO_TIMESTAMP");
 455     strftime(buffer, sizeof(buffer), fmt, gmtime(&channel->timestamp));
 456     send_message_type(4, user, cmd->parent->bot, "%s", buffer);
 457     irc_make_chanmode(channel, buffer);
 458     if (channel->bad_channel)
 459         reply("OSMSG_CHANINFO_MODES_BADWORD", buffer);
 460     else
 461         reply("OSMSG_CHANINFO_MODES", buffer);
 462     if (channel->topic_time) {
 463         fmt = user_find_message(user, "OSMSG_CHANINFO_TOPIC");
 464         strftime(buffer, sizeof(buffer), fmt, gmtime(&channel->topic_time));
 465         send_message_type(4, user, cmd->parent->bot, buffer, channel->topic_nick, channel->topic);
 466     } else {
 467         irc_fetchtopic(cmd->parent->bot, channel->name);
 468         reply("OSMSG_CHANINFO_TOPIC_UNKNOWN");
 469     }
 470     if (channel->banlist.used) {
 471         reply("OSMSG_CHANINFO_BAN_COUNT", channel->banlist.used);
 472         fmt = user_find_message(user, "OSMSG_CHANINFO_BAN");
 473         for (n = 0; n < channel->banlist.used; n++) {
 474             ban = channel->banlist.list[n];
 475             strftime(buffer, sizeof(buffer), fmt, localtime(&ban->set));
 476             send_message_type(4, user, cmd->parent->bot, buffer, ban->ban, ban->who);
 477         }
 478     }
 479     if (channel->exemptlist.used) {
 480         reply("OSMSG_CHANINFO_EXEMPT_COUNT", channel->exemptlist.used);
 481         fmt = user_find_message(user, "OSMSG_CHANINFO_EXEMPT");
 482         for (n = 0; n < channel->exemptlist.used; n++) {
 483             exempt = channel->exemptlist.list[n];
 484             strftime(buffer, sizeof(buffer), fmt, localtime(&exempt->set));
 485             send_message_type(4, user, cmd->parent->bot, buffer, exempt->exempt, exempt->who);
 486         }
 487     }
 488     if ((argc < 2) && (channel->members.used >= 50)) {
 489         /* early out unless they ask for users */
 490         reply("OSMSG_CHANINFO_MANY_USERS", channel->members.used, argv[0], channel->name);
 491         return 1;
 492     }
 493     reply("OSMSG_CHANINFO_USER_COUNT", channel->members.used);
 494     for (n=0; n<channel->members.used; n++) {
 495         moden = channel->members.list[n];
 496         if (moden->modes & MODE_CHANOP)
 497             send_message_type(4, user, cmd->parent->bot, " @%s (%s@%s)", moden->user->nick, moden->user->ident, moden->user->hostname);
 498     }
 499     for (n=0; n<channel->members.used; n++) {
 500         moden = channel->members.list[n];
 501         if ((moden->modes & (MODE_CHANOP|MODE_HALFOP|MODE_VOICE)) == MODE_HALFOP)
 502             send_message_type(4, user, cmd->parent->bot, " %s%s (%s@%s)", "%", moden->user->nick, moden->user->ident, moden->user->hostname);
 503     }
 504     for (n=0; n<channel->members.used; n++) {
 505         moden = channel->members.list[n];
 506         if ((moden->modes & (MODE_CHANOP|MODE_HALFOP|MODE_VOICE)) == MODE_VOICE)
 507             send_message_type(4, user, cmd->parent->bot, " +%s (%s@%s)", moden->user->nick, moden->user->ident, moden->user->hostname);
 508     }
 509     for (n=0; n<channel->members.used; n++) {
 510         moden = channel->members.list[n];
 511         if ((moden->modes & (MODE_CHANOP|MODE_HALFOP|MODE_VOICE)) == 0)
 512             send_message_type(4, user, cmd->parent->bot, "  %s (%s@%s)", moden->user->nick, moden->user->ident, moden->user->hostname);
 513     }
 514     return 1;
 515 }
 516
 517 /* This command has been replaced by 'alert notice channel #foo' */
 518 /*
 519 static MODCMD_FUNC(cmd_warn)
 520 {
 521     char *reason, *message;
 522
 523     if (!IsChannelName(argv[1])) {
 524         reply("OSMSG_NEED_CHANNEL", argv[0]);
 525         return 0;
 526     }
 527     reason = dict_find(opserv_chan_warn, argv[1], NULL);
 528     if (reason) {
 529         reply("OSMSG_WARN_EXISTS", argv[1]);
 530         return 0;
 531     }
 532     if (argv[2])
 533         reason = strdup(unsplit_string(argv+2, argc-2, NULL));
 534     else
 535         reason = strdup("No reason");
 536     dict_insert(opserv_chan_warn, strdup(argv[1]), reason);
 537     reply("OSMSG_WARN_ADDED", argv[1], reason);
 538     if (dict_find(channels, argv[1], NULL)) {
 539         message = alloca(strlen(reason) + strlen(argv[1]) + 55);
 540         sprintf(message, "Channel activity warning for channel %s: %s", argv[1], reason);
 541         global_message(MESSAGE_RECIPIENT_OPERS, message);
 542     }
 543     return 1;
 544 }
 545
 546 static MODCMD_FUNC(cmd_unwarn)
 547 {
 548     if ((argc < 2) || !IsChannelName(argv[1])) {
 549         reply("OSMSG_NEED_CHANNEL", argv[0]);
 550         return 0;
 551     }
 552     if (!dict_remove(opserv_chan_warn, argv[1])) {
 553         reply("OSMSG_WARN_NOEXIST", argv[1]);
 554         return 0;
 555     }
 556     reply("OSMSG_WARN_DELETED", argv[1]);
 557     return 1;
 558 }
 559 */
 560
 561 static MODCMD_FUNC(cmd_clearbans)
 562 {
 563     struct mod_chanmode *change;
 564     unsigned int ii;
 565
 566     change = mod_chanmode_alloc(channel->banlist.used);
 567     for (ii=0; ii<channel->banlist.used; ii++) {
 568         change->args[ii].mode = MODE_REMOVE | MODE_BAN;
 569         change->args[ii].u.hostmask = strdup(channel->banlist.list[ii]->ban);
 570     }
 571     modcmd_chanmode_announce(change);
 572     for (ii=0; ii<change->argc; ++ii)
 573         free((char*)change->args[ii].u.hostmask);
 574     mod_chanmode_free(change);
 575     reply("OSMSG_CLEARBANS_DONE", channel->name);
 576     return 1;
 577 }
 578
 579 static MODCMD_FUNC(cmd_clearmodes)
 580 {
 581     struct mod_chanmode change;
 582
 583     if (!channel->modes) {
 584         reply("OSMSG_NO_CHANNEL_MODES", channel->name);
 585         return 0;
 586     }
 587     mod_chanmode_init(&change);
 588     change.modes_clear = channel->modes;
 589     modcmd_chanmode_announce(&change);
 590     reply("OSMSG_CLEARMODES_DONE", channel->name);
 591     return 1;
 592 }
 593
 594 static MODCMD_FUNC(cmd_deop)
 595 {
 596     struct mod_chanmode *change;
 597     unsigned int arg, count;
 598
 599     change = mod_chanmode_alloc(argc-1);
 600     for (arg = 1, count = 0; arg < argc; ++arg) {
 601         struct userNode *victim = GetUserH(argv[arg]);
 602         struct modeNode *mn;
 603         if (!victim || IsService(victim)
 604             || !(mn = GetUserMode(channel, victim))
 605             || !(mn->modes & MODE_CHANOP))
 606             continue;
 607         change->args[count].mode = MODE_REMOVE | MODE_CHANOP;
 608         change->args[count++].u.member = mn;
 609     }
 610     if (count) {
 611         change->argc = count;
 612         modcmd_chanmode_announce(change);
 613     }
 614     mod_chanmode_free(change);
 615     reply("OSMSG_DEOP_DONE");
 616     return 1;
 617 }
 618
 619 static MODCMD_FUNC(cmd_dehop)
 620 {
 621     struct mod_chanmode *change;
 622     unsigned int arg, count;
 623
 624     change = mod_chanmode_alloc(argc-1);
 625     for (arg = 1, count = 0; arg < argc; ++arg) {
 626         struct userNode *victim = GetUserH(argv[arg]);
 627         struct modeNode *mn;
 628         if (!victim || IsService(victim)
 629             || !(mn = GetUserMode(channel, victim))
 630             || !(mn->modes & MODE_HALFOP))
 631             continue;
 632         change->args[count].mode = MODE_REMOVE | MODE_HALFOP;
 633         change->args[count++].u.member = mn;
 634     }
 635     if (count) {
 636         change->argc = count;
 637         modcmd_chanmode_announce(change);
 638     }
 639     mod_chanmode_free(change);
 640     reply("OSMSG_DEHOP_DONE");
 641     return 1;
 642 }
 643
 644 static MODCMD_FUNC(cmd_deopall)
 645 {
 646     struct mod_chanmode *change;
 647     unsigned int ii, count;
 648
 649     change = mod_chanmode_alloc(channel->members.used);
 650     for (ii = count = 0; ii < channel->members.used; ++ii) {
 651         struct modeNode *mn = channel->members.list[ii];
 652         if (IsService(mn->user) || !(mn->modes & MODE_CHANOP))
 653             continue;
 654         change->args[count].mode = MODE_REMOVE | MODE_CHANOP;
 655         change->args[count++].u.member = mn;
 656     }
 657     if (count) {
 658         change->argc = count;
 659         modcmd_chanmode_announce(change);
 660     }
 661     mod_chanmode_free(change);
 662     reply("OSMSG_DEOPALL_DONE", channel->name);
 663     return 1;
 664 }
 665
 666 static MODCMD_FUNC(cmd_dehopall)
 667 {
 668     struct mod_chanmode *change;
 669     unsigned int ii, count;
 670
 671     change = mod_chanmode_alloc(channel->members.used);
 672     for (ii = count = 0; ii < channel->members.used; ++ii) {
 673         struct modeNode *mn = channel->members.list[ii];
 674         if (IsService(mn->user) || !(mn->modes & MODE_HALFOP))
 675             continue;
 676         change->args[count].mode = MODE_REMOVE | MODE_HALFOP;
 677         change->args[count++].u.member = mn;
 678     }
 679     if (count) {
 680         change->argc = count;
 681         modcmd_chanmode_announce(change);
 682     }
 683     mod_chanmode_free(change);
 684     reply("OSMSG_DEHOPALL_DONE", channel->name);
 685     return 1;
 686 }
 687
 688 static MODCMD_FUNC(cmd_rehash)
 689 {
 690     extern char *services_config;
 691
 692     if (conf_read(services_config))
 693         reply("OSMSG_REHASH_COMPLETE");
 694     else
 695         reply("OSMSG_REHASH_FAILED");
 696     return 1;
 697 }
 698
 699 static MODCMD_FUNC(cmd_reopen)
 700 {
 701     log_reopen();
 702     reply("OSMSG_REOPEN_COMPLETE");
 703     return 1;
 704 }
 705
 706 static MODCMD_FUNC(cmd_reconnect)
 707 {
 708     reply("OSMSG_RECONNECTING");
 709     irc_squit(self, "Reconnecting.", NULL);
 710     return 1;
 711 }
 712
 713 static MODCMD_FUNC(cmd_jupe)
 714 {
 715     extern int force_n2k;
 716     struct server *newsrv;
 717     unsigned int num;
 718     char numeric[COMBO_NUMERIC_LEN+1], srvdesc[SERVERDESCRIPTMAX+1];
 719
 720     num = atoi(argv[2]);
 721     if ((num < 64) && !force_n2k) {
 722         inttobase64(numeric, num, 1);
 723         inttobase64(numeric+1, 64*64-1, 2);
 724     } else {
 725         inttobase64(numeric, num, 2);
 726         inttobase64(numeric+2, 64*64*64-1, 3);
 727     }
 728 #ifdef WITH_PROTOCOL_P10
 729     if (GetServerN(numeric)) {
 730         reply("OSMSG_NUMERIC_COLLIDE", num, numeric);
 731         return 0;
 732     }
 733 #endif
 734     if (GetServerH(argv[1])) {
 735         reply("OSMSG_NAME_COLLIDE");
 736         return 0;
 737     }
 738     snprintf(srvdesc, sizeof(srvdesc), "JUPE %s", unsplit_string(argv+3, argc-3, NULL));
 739     newsrv = AddServer(self, argv[1], 1, now, now, numeric, srvdesc);
 740     if (!newsrv) {
 741         reply("OSMSG_SRV_CREATE_FAILED");
 742         return 0;
 743     }
 744     irc_server(newsrv);
 745     reply("OSMSG_SERVER_JUPED", argv[1]);
 746     return 1;
 747 }
 748
 749 static MODCMD_FUNC(cmd_unjupe)
 750 {
 751     struct server *srv;
 752     char *reason;
 753
 754     srv = GetServerH(argv[1]);
 755     if (!srv) {
 756         reply("MSG_SERVER_UNKNOWN", argv[1]);
 757         return 0;
 758     }
 759     if (strncmp(srv->description, "JUPE", 4)) {
 760         reply("OSMSG_SERVER_NOT_JUPE");
 761         return 0;
 762     }
 763     reason = (argc > 2) ? unsplit_string(argv+2, argc-2, NULL) : "Unjuping server";
 764     DelServer(srv, 1, reason);
 765     reply("OSMSG_SERVER_UNJUPED");
 766     return 1;
 767 }
 768
 769 static MODCMD_FUNC(cmd_jump)
 770 {
 771     extern struct cManagerNode cManager;
 772     void uplink_select(char *name);
 773     struct uplinkNode *uplink_find(char *name);
 774     struct uplinkNode *uplink;
 775     char *target;
 776
 777     target = unsplit_string(argv+1, argc-1, NULL);
 778
 779     if (!strcmp(cManager.uplink->name, target)) {
 780         reply("OSMSG_CURRENT_UPLINK", cManager.uplink->name);
 781         return 0;
 782     }
 783
 784     uplink = uplink_find(target);
 785     if (!uplink) {
 786         reply("OSMSG_INVALID_UPLINK", target);
 787         return 0;
 788     }
 789     if (uplink->flags & UPLINK_UNAVAILABLE) {
 790         reply("OSMSG_UPLINK_DISABLED", uplink->name);
 791         return 0;
 792     }
 793
 794     reply("OSMSG_UPLINK_CONNECTING", uplink->name, uplink->host, uplink->port);
 795     uplink_select(target);
 796     irc_squit(self, "Reconnecting.", NULL);
 797     return 1;
 798 }
 799
 800 static MODCMD_FUNC(cmd_die)
 801 {
 802     char *reason, *text;
 803
 804     text = unsplit_string(argv+1, argc-1, NULL);
 805     reason = alloca(strlen(text) + strlen(user->nick) + 20);
 806     sprintf(reason, "Disconnected by %s [%s]", user->nick, text);
 807     irc_squit(self, reason, text);
 808     quit_services = 1;
 809     return 1;
 810 }
 811
 812 static MODCMD_FUNC(cmd_restart)
 813 {
 814     extern int services_argc;
 815     extern char **services_argv;
 816     char **restart_argv, *reason, *text;
 817
 818     text = unsplit_string(argv+1, argc-1, NULL);
 819     reason = alloca(strlen(text) + strlen(user->nick) + 17);
 820     sprintf(reason, "Restarted by %s [%s]", user->nick, text);
 821     irc_squit(self, reason, text);
 822
 823     /* Append a NULL to the end of argv[]. */
 824     restart_argv = (char **)alloca((services_argc + 1) * sizeof(char *));
 825     memcpy(restart_argv, services_argv, services_argc * sizeof(char *));
 826     restart_argv[services_argc] = NULL;
 827
 828     call_exit_funcs();
 829
 830     /* Don't blink. */
 831     execv(services_argv[0], restart_argv);
 832
 833     /* If we're still here, that means something went wrong. Reconnect. */
 834     return 1;
 835 }
 836
 837 static struct gline *
 838 opserv_block(struct userNode *target, char *src_handle, char *reason, unsigned long duration)
 839 {
 840     char *mask;
 841     mask = alloca(MAXLEN);
 842     snprintf(mask, MAXLEN, "*@%s", target->hostname);
 843     if (!reason) {
 844         reason = alloca(MAXLEN);
 845         snprintf(reason, MAXLEN, "G-line requested by %s.", src_handle);
 846     }
 847     if (!duration) duration = opserv_conf.block_gline_duration;
 848     return gline_add(src_handle, mask, duration, reason, now, 1);
 849 }
 850
 851 static MODCMD_FUNC(cmd_block)
 852 {
 853     struct userNode *target;
 854     struct gline *gline;
 855     char *reason;
 856
 857     target = GetUserH(argv[1]);
 858     if (!target) {
 859         reply("MSG_NICK_UNKNOWN", argv[1]);
 860         return 0;
 861     }
 862     if (IsService(target)) {
 863         reply("MSG_SERVICE_IMMUNE", target->nick);
 864         return 0;
 865     }
 866     reason = (argc > 2) ? unsplit_string(argv+2, argc-2, NULL) : NULL;
 867     gline = opserv_block(target, user->handle_info->handle, reason, 0);
 868     reply("OSMSG_GLINE_ISSUED", gline->target);
 869     return 1;
 870 }
 871
 872 static MODCMD_FUNC(cmd_gline)
 873 {
 874     unsigned long duration;
 875     char *reason;
 876     struct gline *gline;
 877
 878     reason = unsplit_string(argv+3, argc-3, NULL);
 879     if (!is_gline(argv[1]) && !IsChannelName(argv[1]) && (argv[1][0] != '&')) {
 880         reply("MSG_INVALID_GLINE", argv[1]);
 881         return 0;
 882     }
 883     if (!argv[1][strspn(argv[1], "#&*?@.")] && (strlen(argv[1]) < 10)) {
 884         reply("OSMSG_STUPID_GLINE", argv[1]);
 885         return 0;
 886     }
 887     duration = ParseInterval(argv[2]);
 888     if (!duration) {
 889         reply("MSG_INVALID_DURATION", argv[2]);
 890         return 0;
 891     }
 892     gline = gline_add(user->handle_info->handle, argv[1], duration, reason, now, 1);
 893     reply("OSMSG_GLINE_ISSUED", gline->target);
 894     return 1;
 895 }
 896
 897 static MODCMD_FUNC(cmd_ungline)
 898 {
 899     if (gline_remove(argv[1], 1))
 900         reply("OSMSG_GLINE_REMOVED", argv[1]);
 901     else
 902         reply("OSMSG_GLINE_FORCE_REMOVED", argv[1]);
 903     return 1;
 904 }
 905
 906 static MODCMD_FUNC(cmd_refreshg)
 907 {
 908     if (argc > 1) {
 909         unsigned int count;
 910         dict_iterator_t it;
 911         struct server *srv;
 912
 913         for (it=dict_first(servers), count=0; it; it=iter_next(it)) {
 914             srv = iter_data(it);
 915             if ((srv == self) || !match_ircglob(srv->name, argv[1]))
 916                 continue;
 917             gline_refresh_server(srv);
 918             reply("OSMSG_GLINES_ONE_REFRESHED", srv->name);
 919             count++;
 920         }
 921         if (!count) {
 922             reply("MSG_SERVER_UNKNOWN", argv[1]);
 923             return 0;
 924         }
 925     } else {
 926         gline_refresh_all();
 927         reply("OSMSG_GLINES_REFRESHED");
 928     }
 929     return 1;
 930 }
 931
 932 static void
 933 opserv_ison(struct userNode *tell, struct userNode *target, const char *message)
 934 {
 935     struct modeNode *mn;
 936     unsigned int count, here_len, n, maxlen;
 937     char buff[MAXLEN];
 938
 939     maxlen = tell->handle_info ? tell->handle_info->screen_width : 0;
 940     if (!maxlen)
 941         maxlen = MAX_LINE_SIZE;
 942     for (n=count=0; n<target->channels.used; n++) {
 943         mn = target->channels.list[n];
 944         here_len = strlen(mn->channel->name);
 945         if ((count + here_len + 4) > maxlen) {
 946             buff[count] = 0;
 947             send_message(tell, opserv, message, buff);
 948             count = 0;
 949         }
 950         if (mn->modes & MODE_CHANOP)
 951             buff[count++] = '@';
 952         if (mn->modes & MODE_HALFOP)
 953             buff[count++] = '%';
 954         if (mn->modes & MODE_VOICE)
 955             buff[count++] = '+';
 956         memcpy(buff+count, mn->channel->name, here_len);
 957         count += here_len;
 958         buff[count++] = ' ';
 959     }
 960     if (count) {
 961         buff[count] = 0;
 962         send_message(tell, opserv, message, buff);
 963     }
 964 }
 965
 966 static MODCMD_FUNC(cmd_inviteme)
 967 {
 968     struct userNode *target;
 969
 970     if (argc < 2) {
 971         target = user;
 972     } else {
 973         target = GetUserH(argv[1]);
 974         if (!target) {
 975             reply("MSG_NICK_UNKNOWN", argv[1]);
 976             return 0;
 977         }
 978     }
 979     if (opserv_conf.debug_channel == NULL) {
 980         reply("OSMSG_NO_DEBUG_CHANNEL");
 981         return 0;
 982     }
 983     if (GetUserMode(opserv_conf.debug_channel, user)) {
 984         reply("OSMSG_ALREADY_THERE", opserv_conf.debug_channel->name);
 985         return 0;
 986     }
 987     irc_invite(cmd->parent->bot, target, opserv_conf.debug_channel);
 988     if (target != user)
 989         reply("OSMSG_INVITE_DONE", target->nick, opserv_conf.debug_channel->name);
 990     return 1;
 991 }
 992
 993 static MODCMD_FUNC(cmd_invite)
 994 {
 995     if (GetUserMode(channel, user)) {
 996         reply("OSMSG_ALREADY_THERE", channel->name);
 997         return 0;
 998     }
 999     irc_invite(cmd->parent->bot, user, channel);
1000     return 1;
1001 }
1002
1003 static MODCMD_FUNC(cmd_join)
1004 {
1005     struct userNode *bot = cmd->parent->bot;
1006
1007     if (!IsChannelName(argv[1])) {
1008         reply("MSG_NOT_CHANNEL_NAME");
1009         return 0;
1010     } else if (!(channel = GetChannel(argv[1]))) {
1011         channel = AddChannel(argv[1], now, NULL, NULL, NULL);
1012         AddChannelUser(bot, channel)->modes |= MODE_CHANOP;
1013     } else if (GetUserMode(channel, bot)) {
1014         reply("OSMSG_ALREADY_JOINED", channel->name);
1015         return 0;
1016     } else {
1017         struct mod_chanmode change;
1018         mod_chanmode_init(&change);
1019         change.argc = 1;
1020         change.args[0].mode = MODE_CHANOP;
1021         change.args[0].u.member = AddChannelUser(bot, channel);
1022         modcmd_chanmode_announce(&change);
1023     }
1024     irc_fetchtopic(bot, channel->name);
1025     reply("OSMSG_JOIN_DONE", channel->name);
1026     return 1;
1027 }
1028
1029 static MODCMD_FUNC(cmd_kick)
1030 {
1031     struct userNode *target;
1032     char *reason;
1033
1034     if (argc < 3) {
1035         reason = alloca(strlen(OSMSG_KICK_REQUESTED)+strlen(user->nick)+1);
1036         sprintf(reason, OSMSG_KICK_REQUESTED, user->nick);
1037     } else {
1038         reason = unsplit_string(argv+2, argc-2, NULL);
1039     }
1040     target = GetUserH(argv[1]);
1041     if (!target) {
1042         reply("MSG_NICK_UNKNOWN", argv[1]);
1043         return 0;
1044     }
1045     if (!GetUserMode(channel, target)) {
1046         reply("OSMSG_NOT_ON_CHANNEL", target->nick, channel->name);
1047         return 0;
1048     }
1049     KickChannelUser(target, channel, cmd->parent->bot, reason);
1050     return 1;
1051 }
1052
1053 static MODCMD_FUNC(cmd_kickall)
1054 {
1055     unsigned int limit, n, inchan;
1056     struct modeNode *mn;
1057     char *reason;
1058     struct userNode *bot = cmd->parent->bot;
1059
1060     /* ircu doesn't let servers KICK users, so if OpServ's not in the
1061      * channel, we have to join it in temporarily. */
1062     if (!(inchan = GetUserMode(channel, bot) ? 1 : 0)) {
1063         struct mod_chanmode change;
1064         mod_chanmode_init(&change);
1065         change.args[0].mode = MODE_CHANOP;
1066         change.args[0].u.member = AddChannelUser(bot, channel);
1067         modcmd_chanmode_announce(&change);
1068     }
1069     if (argc < 2) {
1070         reason = alloca(strlen(OSMSG_KICK_REQUESTED)+strlen(user->nick)+1);
1071         sprintf(reason, OSMSG_KICK_REQUESTED, user->nick);
1072     } else {
1073         reason = unsplit_string(argv+1, argc-1, NULL);
1074     }
1075     limit = user->handle_info->opserv_level;
1076     for (n=channel->members.used; n>0;) {
1077         mn = channel->members.list[--n];
1078         if (IsService(mn->user)
1079             || (mn->user->handle_info
1080                 && (mn->user->handle_info->opserv_level >= limit))) {
1081             continue;
1082         }
1083         KickChannelUser(mn->user, channel, bot, reason);
1084     }
1085     if (!inchan)
1086         DelChannelUser(bot, channel, "My work here is done", 0);
1087     reply("OSMSG_KICKALL_DONE", channel->name);
1088     return 1;
1089 }
1090
1091 static MODCMD_FUNC(cmd_kickban)
1092 {
1093     struct mod_chanmode change;
1094     struct userNode *target;
1095     char *reason;
1096     char *mask;
1097
1098     if (argc == 2) {
1099         reason = alloca(strlen(OSMSG_KICK_REQUESTED)+strlen(user->nick)+1);
1100         sprintf(reason, OSMSG_KICK_REQUESTED, user->nick);
1101     } else {
1102         reason = unsplit_string(argv+2, argc-2, NULL);
1103     }
1104     target = GetUserH(argv[1]);
1105     if (!target) {
1106         reply("MSG_NICK_UNKNOWN", argv[1]);
1107         return 0;
1108     }
1109     if (!GetUserMode(channel, target)) {
1110         reply("OSMSG_NOT_ON_CHANNEL", target->nick, channel->name);
1111         return 0;
1112     }
1113     mod_chanmode_init(&change);
1114     change.argc = 1;
1115     change.args[0].mode = MODE_BAN;
1116     change.args[0].u.hostmask = mask = generate_hostmask(target, 0);
1117     modcmd_chanmode_announce(&change);
1118     KickChannelUser(target, channel, cmd->parent->bot, reason);
1119     free(mask);
1120     return 1;
1121 }
1122
1123 static MODCMD_FUNC(cmd_kickbanall)
1124 {
1125     struct modeNode *mn;
1126     struct userNode *bot = cmd->parent->bot;
1127     struct mod_chanmode *change;
1128     char *reason;
1129     unsigned int limit, n, inchan;
1130
1131     /* ircu doesn't let servers KICK users, so if OpServ's not in the
1132      * channel, we have to join it in temporarily. */
1133     if (!(inchan = GetUserMode(channel, bot) ? 1 : 0)) {
1134         change = mod_chanmode_alloc(2);
1135         change->args[0].mode = MODE_CHANOP;
1136         change->args[0].u.member = AddChannelUser(bot, channel);
1137         change->args[1].mode = MODE_BAN;
1138         change->args[1].u.hostmask = "*!*@*";
1139     } else {
1140         change = mod_chanmode_alloc(1);
1141         change->args[0].mode = MODE_BAN;
1142         change->args[0].u.hostmask = "*!*@*";
1143     }
1144     modcmd_chanmode_announce(change);
1145     mod_chanmode_free(change);
1146     if (argc < 2) {
1147         reason = alloca(strlen(OSMSG_KICK_REQUESTED)+strlen(user->nick)+1);
1148         sprintf(reason, OSMSG_KICK_REQUESTED, user->nick);
1149     } else {
1150         reason = unsplit_string(argv+1, argc-1, NULL);
1151     }
1152     /* now kick them */
1153     limit = user->handle_info->opserv_level;
1154     for (n=channel->members.used; n>0; ) {
1155         mn = channel->members.list[--n];
1156         if (IsService(mn->user)
1157             || (mn->user->handle_info
1158                 && (mn->user->handle_info->opserv_level >= limit))) {
1159             continue;
1160         }
1161         KickChannelUser(mn->user, channel, bot, reason);
1162     }
1163     if (!inchan)
1164         DelChannelUser(bot, channel, "My work here is done", 0);
1165     reply("OSMSG_KICKALL_DONE", channel->name);
1166     return 1;
1167 }
1168
1169 static MODCMD_FUNC(cmd_part)
1170 {
1171     char *reason;
1172
1173     if (!IsChannelName(argv[1])) {
1174         reply("MSG_NOT_CHANNEL_NAME");
1175         return 0;
1176     }
1177     if ((channel = GetChannel(argv[1]))) {
1178         if (!GetUserMode(channel, cmd->parent->bot)) {
1179             reply("OSMSG_NOT_ON_CHANNEL", cmd->parent->bot->nick, channel->name);
1180             return 0;
1181         }
1182         reason = (argc < 3) ? "Leaving." : unsplit_string(argv+2, argc-2, NULL);
1183         reply("OSMSG_LEAVING", channel->name);
1184         DelChannelUser(cmd->parent->bot, channel, reason, 0);
1185     }
1186     return 1;
1187 }
1188
1189 static MODCMD_FUNC(cmd_mode)
1190 {
1191     if (!modcmd_chanmode(argv+1, argc-1, MCP_ALLOW_OVB|MCP_KEY_FREE|MC_ANNOUNCE)) {
1192         reply("MSG_INVALID_MODES", unsplit_string(argv+1, argc-1, NULL));
1193         return 0;
1194     }
1195     reply("OSMSG_MODE_SET", channel->name);
1196     return 1;
1197 }
1198
1199 static MODCMD_FUNC(cmd_op)
1200 {
1201     struct mod_chanmode *change;
1202     unsigned int arg, count;
1203
1204     change = mod_chanmode_alloc(argc-1);
1205     for (arg = 1, count = 0; arg < argc; ++arg) {
1206         struct userNode *victim;
1207         struct modeNode *mn;
1208         if (!(victim = GetUserH(argv[arg])))
1209             continue;
1210         if (!(mn =  GetUserMode(channel, victim)))
1211             continue;
1212         if (mn->modes & MODE_CHANOP)
1213             continue;
1214         change->args[count].mode = MODE_CHANOP;
1215         change->args[count++].u.member = mn;
1216     }
1217     if (count) {
1218         change->argc = count;
1219         modcmd_chanmode_announce(change);
1220     }
1221     mod_chanmode_free(change);
1222     reply("OSMSG_OP_DONE");
1223     return 1;
1224 }
1225
1226 static MODCMD_FUNC(cmd_hop)
1227 {
1228     struct mod_chanmode *change;
1229     unsigned int arg, count;
1230
1231     change = mod_chanmode_alloc(argc-1);
1232     for (arg = 1, count = 0; arg < argc; ++arg) {
1233         struct userNode *victim;
1234         struct modeNode *mn;
1235         if (!(victim = GetUserH(argv[arg])))
1236             continue;
1237         if (!(mn =  GetUserMode(channel, victim)))
1238             continue;
1239         if (mn->modes & MODE_HALFOP)
1240             continue;
1241         change->args[count].mode = MODE_HALFOP;
1242         change->args[count++].u.member = mn;
1243     }
1244     if (count) {
1245         change->argc = count;
1246         modcmd_chanmode_announce(change);
1247     }
1248     mod_chanmode_free(change);
1249     reply("OSMSG_HOP_DONE");
1250     return 1;
1251 }
1252
1253 static MODCMD_FUNC(cmd_opall)
1254 {
1255     struct mod_chanmode *change;
1256     unsigned int ii, count;
1257
1258     change = mod_chanmode_alloc(channel->members.used);
1259     for (ii = count = 0; ii < channel->members.used; ++ii) {
1260         struct modeNode *mn = channel->members.list[ii];
1261         if (mn->modes & MODE_CHANOP)
1262             continue;
1263         change->args[count].mode = MODE_CHANOP;
1264         change->args[count++].u.member = mn;
1265     }
1266     if (count) {
1267         change->argc = count;
1268         modcmd_chanmode_announce(change);
1269     }
1270     mod_chanmode_free(change);
1271     reply("OSMSG_OPALL_DONE", channel->name);
1272     return 1;
1273 }
1274
1275 static MODCMD_FUNC(cmd_hopall)
1276 {
1277     struct mod_chanmode *change;
1278     unsigned int ii, count;
1279
1280     change = mod_chanmode_alloc(channel->members.used);
1281     for (ii = count = 0; ii < channel->members.used; ++ii) {
1282         struct modeNode *mn = channel->members.list[ii];
1283         if (mn->modes & MODE_HALFOP)
1284             continue;
1285         change->args[count].mode = MODE_HALFOP;
1286         change->args[count++].u.member = mn;
1287     }
1288     if (count) {
1289         change->argc = count;
1290         modcmd_chanmode_announce(change);
1291     }
1292     mod_chanmode_free(change);
1293     reply("OSMSG_HOPALL_DONE", channel->name);
1294     return 1;
1295 }
1296
1297 static MODCMD_FUNC(cmd_whois)
1298 {
1299     struct userNode *target;
1300     char buffer[128];
1301     int bpos, herelen;
1302
1303 #ifdef WITH_PROTOCOL_P10
1304     if (argv[1][0] == '*')
1305         target = GetUserN(argv[1]+1);
1306     else
1307 #endif
1308     target = GetUserH(argv[1]);
1309     if (!target) {
1310         reply("MSG_NICK_UNKNOWN", argv[1]);
1311         return 0;
1312     }
1313     reply("OSMSG_WHOIS_NICK", target->nick);
1314     reply("OSMSG_WHOIS_HOST", target->ident, target->hostname);
1315     if (IsFakeHost(target))
1316         reply("OSMSG_WHOIS_FAKEHOST", target->fakehost);
1317     reply("OSMSG_WHOIS_IP", inet_ntoa(target->ip));
1318     if (target->modes) {
1319         bpos = 0;
1320 #define buffer_cat(str) (herelen = strlen(str), memcpy(buffer+bpos, str, herelen), bpos += herelen)
1321         if (IsInvisible(target)) buffer[bpos++] = 'i';
1322         if (IsWallOp(target)) buffer[bpos++] = 'w';
1323         if (IsOper(target)) buffer[bpos++] = 'o';
1324         if (IsGlobal(target)) buffer[bpos++] = 'g';
1325         if (IsServNotice(target)) buffer[bpos++] = 's';
1326
1327         // sethost - reed/apples
1328         // if (IsHelperIrcu(target)) buffer[bpos++] = 'h';
1329         if (IsSetHost(target)) buffer[bpos++] = 'h';
1330
1331         if (IsService(target)) buffer[bpos++] = 'k';
1332         if (IsDeaf(target)) buffer[bpos++] = 'd';
1333         if (target->handle_info) buffer[bpos++] = 'r';
1334         if (IsHiddenHost(target)) buffer[bpos++] = 'x';
1335         if (IsGagged(target)) buffer_cat(" (gagged)");
1336         if (IsRegistering(target)) buffer_cat(" (registered account)");
1337         buffer[bpos] = 0;
1338         if (bpos > 0)
1339             reply("OSMSG_WHOIS_MODES", buffer);
1340     }
1341     reply("OSMSG_WHOIS_INFO", target->info);
1342 #ifdef WITH_PROTOCOL_P10
1343     reply("OSMSG_WHOIS_NUMERIC", target->numeric);
1344 #endif
1345     reply("OSMSG_WHOIS_SERVER", target->uplink->name);
1346     reply("OSMSG_WHOIS_ACCOUNT", (target->handle_info ? target->handle_info->handle : "Not authenticated"));
1347     intervalString(buffer, now - target->timestamp, user->handle_info);
1348     reply("OSMSG_WHOIS_NICK_AGE", buffer);
1349     if (target->channels.used <= MAX_CHANNELS_WHOIS)
1350         opserv_ison(user, target, "OSMSG_WHOIS_CHANNELS");
1351     else
1352         reply("OSMSG_WHOIS_HIDECHANS");
1353     return 1;
1354 }
1355
1356 static MODCMD_FUNC(cmd_unban)
1357 {
1358     struct mod_chanmode change;
1359     mod_chanmode_init(&change);
1360     change.argc = 1;
1361     change.args[0].mode = MODE_REMOVE | MODE_BAN;
1362     change.args[0].u.hostmask = argv[1];
1363     modcmd_chanmode_announce(&change);
1364     reply("OSMSG_UNBAN_DONE", channel->name);
1365     return 1;
1366 }
1367
1368 static MODCMD_FUNC(cmd_voiceall)
1369 {
1370     struct mod_chanmode *change;
1371     unsigned int ii, count;
1372
1373     change = mod_chanmode_alloc(channel->members.used);
1374     for (ii = count = 0; ii < channel->members.used; ++ii) {
1375         struct modeNode *mn = channel->members.list[ii];
1376         if (mn->modes & (MODE_CHANOP|MODE_HALFOP|MODE_VOICE))
1377             continue;
1378         change->args[count].mode = MODE_VOICE;
1379         change->args[count++].u.member = mn;
1380     }
1381     if (count) {
1382         change->argc = count;
1383         modcmd_chanmode_announce(change);
1384     }
1385     mod_chanmode_free(change);
1386     reply("OSMSG_CHANNEL_VOICED", channel->name);
1387     return 1;
1388 }
1389
1390 static MODCMD_FUNC(cmd_devoiceall)
1391 {
1392     struct mod_chanmode *change;
1393     unsigned int ii, count;
1394
1395     change = mod_chanmode_alloc(channel->members.used);
1396     for (ii = count = 0; ii < channel->members.used; ++ii) {
1397         struct modeNode *mn = channel->members.list[ii];
1398         if (!(mn->modes & MODE_VOICE))
1399             continue;
1400         change->args[count].mode = MODE_REMOVE | MODE_VOICE;
1401         change->args[count++].u.member = mn;
1402     }
1403     if (count) {
1404         change->argc = count;
1405         modcmd_chanmode_announce(change);
1406     }
1407     mod_chanmode_free(change);
1408     reply("OSMSG_CHANNEL_DEVOICED", channel->name);
1409     return 1;
1410 }
1411
1412 static MODCMD_FUNC(cmd_stats_bad) {
1413     dict_iterator_t it;
1414     unsigned int ii, end, here_len;
1415     char buffer[400];
1416
1417     /* Show the bad word list.. */
1418     /* TODO: convert nonprinting chars like bold to $b etc in a usable way */
1419     for (ii=end=0; ii<opserv_bad_words->used; ii++) {
1420         here_len = strlen(opserv_bad_words->list[ii]);
1421         /* If the line is full output it & start again */
1422         if ((end + here_len + 2) > sizeof(buffer)) {
1423             buffer[end] = 0;
1424             reply("OSMSG_BADWORD_LIST", buffer);
1425             end = 0;
1426         }
1427         memcpy(buffer+end, opserv_bad_words->list[ii], here_len);
1428         end += here_len;
1429         buffer[end++] = ' ';
1430     }
1431     buffer[end] = 0;
1432     reply("OSMSG_BADWORD_LIST", buffer);
1433
1434     /* Show the exemption list.. */
1435     for (it=dict_first(opserv_exempt_channels), end=0; it; it=iter_next(it)) {
1436         here_len = strlen(iter_key(it));
1437         if ((end + here_len + 2) > sizeof(buffer)) {
1438             buffer[end] = 0;
1439             reply("OSMSG_EXEMPTED_LIST", buffer);
1440             end = 0;
1441         }
1442         memcpy(buffer+end, iter_key(it), here_len);
1443         end += here_len;
1444         buffer[end++] = ' ';
1445     }
1446     buffer[end] = 0;
1447     reply("OSMSG_EXEMPTED_LIST", buffer);
1448     return 1;
1449 }
1450
1451 static MODCMD_FUNC(cmd_stats_glines) {
1452     reply("OSMSG_GLINE_COUNT", gline_count());
1453     return 1;
1454 }
1455
1456 static void
1457 trace_links(struct userNode *bot, struct userNode *user, struct server *server, unsigned int depth) {
1458     unsigned int nn, pos;
1459     char buffer[400];
1460
1461     for (nn=1; nn<=depth; nn<<=1) ;
1462     for (pos=0, nn>>=1; nn>1; ) {
1463         nn >>= 1;
1464         buffer[pos++] = (depth & nn) ? ((nn == 1) ? '`' : ' ') : '|';
1465         buffer[pos++] = (nn == 1) ? '-': ' ';
1466     }
1467     buffer[pos] = 0;
1468     send_message(user, bot, "OSMSG_LINKS_SERVER", buffer, server->name, server->clients, server->description);
1469     if (!server->children.used)
1470         return;
1471     for (nn=0; nn<server->children.used-1; nn++) {
1472         trace_links(bot, user, server->children.list[nn], depth<<1);
1473     }
1474     trace_links(bot, user, server->children.list[nn], (depth<<1)|1);
1475 }
1476
1477 static MODCMD_FUNC(cmd_stats_links) {
1478     trace_links(cmd->parent->bot, user, self, 1);
1479     return 1;
1480 }
1481
1482
1483 static MODCMD_FUNC(cmd_stats_max) {
1484     reply("OSMSG_MAX_CLIENTS", max_clients, asctime(localtime(&max_clients_time)));
1485     return 1;
1486 }
1487
1488 static MODCMD_FUNC(cmd_stats_network) {
1489     struct helpfile_table tbl;
1490     unsigned int nn, tot_clients;
1491     dict_iterator_t it;
1492
1493     tot_clients = dict_size(clients);
1494     reply("OSMSG_NETWORK_INFO", tot_clients, invis_clients, curr_opers.used);
1495     tbl.length = dict_size(servers)+1;
1496     tbl.width = 3;
1497     tbl.flags = TABLE_NO_FREE;
1498     tbl.contents = calloc(tbl.length, sizeof(*tbl.contents));
1499     tbl.contents[0] = calloc(tbl.width, sizeof(**tbl.contents));
1500     tbl.contents[0][0] = "Server Name";
1501     tbl.contents[0][1] = "Clients";
1502     tbl.contents[0][2] = "Load";
1503     for (it=dict_first(servers), nn=1; it; it=iter_next(it)) {
1504         struct server *server = iter_data(it);
1505         char *buffer = malloc(32);
1506         tbl.contents[nn] = calloc(tbl.width, sizeof(**tbl.contents));
1507         tbl.contents[nn][0] = server->name;
1508         tbl.contents[nn][1] = buffer;
1509         sprintf(buffer, "%u", server->clients);
1510         tbl.contents[nn][2] = buffer + 16;
1511         sprintf(buffer+16, "%3.3g%%", ((double)server->clients/tot_clients)*100);
1512         nn++;
1513     }
1514     table_send(cmd->parent->bot, user->nick, 0, 0, tbl);
1515     for (nn=1; nn<tbl.length; nn++) {
1516         free((char*)tbl.contents[nn][1]);
1517         free(tbl.contents[nn]);
1518     }
1519     free(tbl.contents[0]);
1520     free(tbl.contents);
1521     return 1;
1522 }
1523
1524 static MODCMD_FUNC(cmd_stats_network2) {
1525     struct helpfile_table tbl;
1526     unsigned int nn;
1527     dict_iterator_t it;
1528
1529     tbl.length = dict_size(servers)+1;
1530     tbl.width = 3;
1531     tbl.flags = TABLE_NO_FREE;
1532     tbl.contents = calloc(tbl.length, sizeof(*tbl.contents));
1533     tbl.contents[0] = calloc(tbl.width, sizeof(**tbl.contents));
1534     tbl.contents[0][0] = "Server Name";
1535     tbl.contents[0][1] = "Numeric";
1536     tbl.contents[0][2] = "Link Time";
1537     for (it=dict_first(servers), nn=1; it; it=iter_next(it)) {
1538         struct server *server = iter_data(it);
1539         char *buffer = malloc(64);
1540         int ofs;
1541
1542         tbl.contents[nn] = calloc(tbl.width, sizeof(**tbl.contents));
1543         tbl.contents[nn][0] = server->name;
1544 #ifdef WITH_PROTOCOL_P10
1545         sprintf(buffer, "%s (%ld)", server->numeric, base64toint(server->numeric, strlen(server->numeric)));
1546 #else
1547         buffer[0] = 0;
1548 #endif
1549         tbl.contents[nn][1] = buffer;
1550         ofs = strlen(buffer) + 1;
1551         intervalString(buffer + ofs, now - server->link, user->handle_info);
1552         if (server->self_burst)
1553             strcat(buffer + ofs, " Bursting");
1554         tbl.contents[nn][2] = buffer + ofs;
1555         nn++;
1556     }
1557     table_send(cmd->parent->bot, user->nick, 0, 0, tbl);
1558     for (nn=1; nn<tbl.length; nn++) {
1559         free((char*)tbl.contents[nn][1]);
1560         free(tbl.contents[nn]);
1561     }
1562     free(tbl.contents[0]);
1563     free(tbl.contents);
1564     return 1;
1565 }
1566
1567 static MODCMD_FUNC(cmd_stats_reserved) {
1568     dict_iterator_t it;
1569
1570     reply("OSMSG_RESERVED_LIST");
1571     for (it = dict_first(opserv_reserved_nick_dict); it; it = iter_next(it))
1572         send_message_type(4, user, cmd->parent->bot, "%s", iter_key(it));
1573     return 1;
1574 }
1575
1576 static MODCMD_FUNC(cmd_stats_trusted) {
1577     dict_iterator_t it;
1578     struct trusted_host *th;
1579     char length[INTERVALLEN], issued[INTERVALLEN], limit[32];
1580
1581     reply("OSMSG_TRUSTED_LIST");
1582     reply("OSMSG_TRUSTED_LIST_BAR");
1583     reply("OSMSG_TRUSTED_LIST_HEADER");
1584     reply("OSMSG_TRUSTED_LIST_BAR");
1585     if (argc > 1) {
1586         th = dict_find(opserv_trusted_hosts, argv[1], NULL);
1587         if (th) {
1588             if (th->issued)
1589                 intervalString(issued, now - th->issued, user->handle_info);
1590             if (th->expires)
1591                 intervalString(length, th->expires - now, user->handle_info);
1592             if (th->limit)
1593                 sprintf(limit, "%lu", th->limit);
1594             reply("OSMSG_HOST_IS_TRUSTED",
1595                   th->ipaddr,
1596                   (th->limit ? limit : "none"),
1597                   (th->issuer ? th->issuer : "<unknown>"),
1598                   (th->issued ? issued : "some time"),
1599                   (th->expires ? length : "never"));
1600             reply("OSMSG_HOST_IS_TRUSTED_DESC", (th->reason ? th->reason : "<unknown>"));
1601         } else {
1602             reply("OSMSG_HOST_NOT_TRUSTED", argv[1]);
1603         }
1604     } else {
1605         for (it = dict_first(opserv_trusted_hosts); it; it = iter_next(it)) {
1606             th = iter_data(it);
1607             if (th->issued)
1608                 intervalString(issued, now - th->issued, user->handle_info);
1609             if (th->expires)
1610                 intervalString(length, th->expires - now, user->handle_info);
1611             if (th->limit)
1612                 sprintf(limit, "%lu", th->limit);
1613             reply("OSMSG_HOST_IS_TRUSTED", iter_key(it),
1614                   (th->limit ? limit : "none"),
1615                   (th->issuer ? th->issuer : "<unknown>"),
1616                   (th->issued ? issued : "some time"),
1617                   (th->expires ? length : "never"));
1618             reply("OSMSG_HOST_IS_TRUSTED_DESC", (th->reason ? th->reason : "<unknown>"));
1619         }
1620     }
1621     reply("OSMSG_TRUSTED_LIST_END");
1622     return 1;
1623 }
1624
1625 static MODCMD_FUNC(cmd_stats_uplink) {
1626     extern struct cManagerNode cManager;
1627     struct uplinkNode *uplink;
1628
1629     uplink = cManager.uplink;
1630     reply("OSMSG_UPLINK_START", uplink->name);
1631     reply("OSMSG_UPLINK_ADDRESS", uplink->host, uplink->port);
1632     return 1;
1633 }
1634
1635 static MODCMD_FUNC(cmd_stats_uptime) {
1636     char uptime[INTERVALLEN];
1637     struct tms buf;
1638     extern time_t boot_time;
1639     extern int lines_processed;
1640     static long clocks_per_sec;
1641
1642     if (!clocks_per_sec) {
1643 #if defined(HAVE_SYSCONF) && defined(_SC_CLK_TCK)
1644         clocks_per_sec = sysconf(_SC_CLK_TCK);
1645         if (clocks_per_sec <= 0)
1646 #endif
1647         {
1648             log_module(OS_LOG, LOG_ERROR, "Unable to query sysconf(_SC_CLK_TCK), output of 'stats uptime' will be wrong");
1649             clocks_per_sec = CLOCKS_PER_SEC;
1650         }
1651     }
1652     intervalString(uptime, time(NULL)-boot_time, user->handle_info);
1653     times(&buf);
1654     reply("OSMSG_UPTIME_STATS",
1655           uptime, lines_processed,
1656           buf.tms_utime/(double)clocks_per_sec,
1657           buf.tms_stime/(double)clocks_per_sec);
1658     return 1;
1659 }
1660
1661 static MODCMD_FUNC(cmd_stats_alerts) {
1662     dict_iterator_t it;
1663     struct opserv_user_alert *alert;
1664     const char *reaction;
1665
1666     reply("OSMSG_ALERTS_LIST");
1667     reply("OSMSG_ALERTS_BAR");
1668     reply("OSMSG_ALERTS_HEADER");
1669     reply("OSMSG_ALERTS_BAR");
1670     for (it = dict_first(opserv_user_alerts); it; it = iter_next(it)) {
1671         alert = iter_data(it);
1672         switch (alert->reaction) {
1673         case REACT_NOTICE: reaction = "notice"; break;
1674         case REACT_KILL: reaction = "kill"; break;
1675         case REACT_GLINE: reaction = "gline"; break;
1676         default: reaction = "<unknown>"; break;
1677         }
1678         reply("OSMSG_ALERT_IS", iter_key(it), reaction, alert->owner);
1679         reply("OSMSG_ALERTS_DESC", alert->text_discrim);
1680     }
1681     reply("OSMSG_ALERT_END");
1682     return 1;
1683 }
1684
1685 static MODCMD_FUNC(cmd_stats_gags) {
1686     struct gag_entry *gag;
1687     struct helpfile_table table;
1688     unsigned int nn;
1689
1690     if (!gagList) {
1691         reply("OSMSG_NO_GAGS");
1692         return 1;
1693     }
1694     for (nn=0, gag=gagList; gag; nn++, gag=gag->next) ;
1695     table.length = nn+1;
1696     table.width = 4;
1697     table.flags = TABLE_NO_FREE;
1698     table.contents = calloc(table.length, sizeof(char**));
1699     table.contents[0] = calloc(table.width, sizeof(char*));
1700     table.contents[0][0] = "Mask";
1701     table.contents[0][1] = "Owner";
1702     table.contents[0][2] = "Expires";
1703     table.contents[0][3] = "Reason";
1704     for (nn=1, gag=gagList; gag; nn++, gag=gag->next) {
1705         char expstr[INTERVALLEN];
1706         if (gag->expires)
1707             intervalString(expstr, gag->expires - now, user->handle_info);
1708         else
1709             strcpy(expstr, "Never");
1710         table.contents[nn] = calloc(table.width, sizeof(char*));
1711         table.contents[nn][0] = gag->mask;
1712         table.contents[nn][1] = gag->owner;
1713         table.contents[nn][2] = strdup(expstr);
1714         table.contents[nn][3] = gag->reason;
1715     }
1716     table_send(cmd->parent->bot, user->nick, 0, NULL, table);
1717     for (nn=1; nn<table.length; nn++) {
1718         free((char*)table.contents[nn][2]);
1719         free(table.contents[nn]);
1720     }
1721     free(table.contents[0]);
1722     free(table.contents);
1723     return 1;
1724 }
1725
1726 static MODCMD_FUNC(cmd_stats_timeq) {
1727     reply("OSMSG_TIMEQ_INFO", timeq_size(), timeq_next()-now);
1728     return 1;
1729 }
1730
1731 /*
1732 static MODCMD_FUNC(cmd_stats_warn) {
1733     dict_iterator_t it;
1734
1735     reply("OSMSG_WARN_LISTSTART");
1736     for (it=dict_first(opserv_chan_warn); it; it=iter_next(it))
1737         reply("OSMSG_WARN_LISTENTRY", iter_key(it), (char*)iter_data(it));
1738     reply("OSMSG_WARN_LISTEND");
1739     return 1;
1740 }
1741 */
1742
1743 #if defined(WITH_MALLOC_X3)
1744 static MODCMD_FUNC(cmd_stats_memory) {
1745     extern unsigned long alloc_count, alloc_size;
1746     send_message_type(MSG_TYPE_NOXLATE, user, cmd->parent->bot,
1747                       "%u allocations totalling %u bytes.",
1748                       alloc_count, alloc_size);
1749     return 1;
1750 }
1751 #elif defined(WITH_MALLOC_SLAB)
1752 static MODCMD_FUNC(cmd_stats_memory) {
1753     extern unsigned long slab_alloc_count, slab_count, slab_alloc_size;
1754     extern unsigned long big_alloc_count, big_alloc_size;
1755     send_message_type(MSG_TYPE_NOXLATE, user, cmd->parent->bot,
1756                       "%u allocations in %u slabs totalling %u bytes.",
1757                       slab_alloc_count, slab_count, slab_alloc_size);
1758 /*    send_message_type(MSG_TYPE_NOXLATE, user, cmd->parent->bot,
1759                       "%u big allocations totalling %u bytes.",
1760  */
1761     return 1;
1762 }
1763 #endif
1764
1765 static MODCMD_FUNC(cmd_dump)
1766 {
1767     char linedup[MAXLEN], original[MAXLEN];
1768
1769     unsplit_string(argv+1, argc-1, original);
1770     safestrncpy(linedup, original, sizeof(linedup));
1771     /* assume it's only valid IRC if we can parse it */
1772     if (parse_line(linedup, 1)) {
1773         irc_raw(original);
1774         reply("OSMSG_LINE_DUMPED");
1775     } else
1776         reply("OSMSG_RAW_PARSE_ERROR");
1777     return 1;
1778 }
1779
1780 static MODCMD_FUNC(cmd_raw)
1781 {
1782     char linedup[MAXLEN], original[MAXLEN];
1783
1784     unsplit_string(argv+1, argc-1, original);
1785     safestrncpy(linedup, original, sizeof(linedup));
1786     /* Try to parse the line before sending it; if it's too wrong,
1787      * maybe it will core us instead of our uplink. */
1788     parse_line(linedup, 1);
1789     irc_raw(original);
1790     reply("OSMSG_LINE_DUMPED");
1791     return 1;
1792 }
1793
1794 static struct userNode *
1795 opserv_add_reserve(struct svccmd *cmd, struct userNode *user, const char *nick, const char *ident, const char *host, const char *desc)
1796 {
1797     struct userNode *resv = GetUserH(nick);
1798     if (resv) {
1799         if (IsService(resv)) {
1800             reply("MSG_SERVICE_IMMUNE", resv->nick);
1801             return NULL;
1802         }
1803         if (resv->handle_info
1804             && resv->handle_info->opserv_level > user->handle_info->opserv_level) {
1805             reply("OSMSG_LEVEL_TOO_LOW");
1806             return NULL;
1807         }
1808     }
1809     if ((resv = AddClone(nick, ident, host, desc))) {
1810         dict_insert(opserv_reserved_nick_dict, resv->nick, resv);
1811     }
1812     return resv;
1813 }
1814
1815 static MODCMD_FUNC(cmd_collide)
1816 {
1817     struct userNode *resv;
1818
1819     resv = opserv_add_reserve(cmd, user, argv[1], argv[2], argv[3], unsplit_string(argv+4, argc-4, NULL));
1820     if (resv) {
1821         reply("OSMSG_COLLIDED_NICK", resv->nick);
1822         return 1;
1823     } else {
1824         reply("OSMSG_CLONE_FAILED", argv[1]);
1825         return 0;
1826     }
1827 }
1828
1829 static MODCMD_FUNC(cmd_reserve)
1830 {
1831     struct userNode *resv;
1832
1833     resv = opserv_add_reserve(cmd, user, argv[1], argv[2], argv[3], unsplit_string(argv+4, argc-4, NULL));
1834     if (resv) {
1835         resv->modes |= FLAGS_PERSISTENT;
1836         reply("OSMSG_RESERVED_NICK", resv->nick);
1837         return 1;
1838     } else {
1839         reply("OSMSG_CLONE_FAILED", argv[1]);
1840         return 0;
1841     }
1842 }
1843
1844 static int
1845 free_reserve(char *nick)
1846 {
1847     struct userNode *resv;
1848     unsigned int rlen;
1849     char *reason;
1850
1851     resv = dict_find(opserv_reserved_nick_dict, nick, NULL);
1852     if (!resv)
1853         return 0;
1854
1855     rlen = strlen(resv->nick)+strlen(OSMSG_PART_REASON);
1856     reason = alloca(rlen);
1857     snprintf(reason, rlen, OSMSG_PART_REASON, resv->nick);
1858     DelUser(resv, NULL, 1, reason);
1859     dict_remove(opserv_reserved_nick_dict, nick);
1860     return 1;
1861 }
1862
1863 static MODCMD_FUNC(cmd_unreserve)
1864 {
1865     if (free_reserve(argv[1]))
1866         reply("OSMSG_NICK_UNRESERVED", argv[1]);
1867     else
1868         reply("OSMSG_NOT_RESERVED", argv[1]);
1869     return 1;
1870 }
1871
1872 static void
1873 opserv_part_channel(void *data)
1874 {
1875     DelChannelUser(opserv, data, "Leaving.", 0);
1876 }
1877
1878 static int alert_check_user(const char *key, void *data, void *extra);
1879
1880 static int
1881 opserv_new_user_check(struct userNode *user)
1882 {
1883     struct opserv_hostinfo *ohi;
1884     struct gag_entry *gag;
1885
1886     /* Check to see if we should ignore them entirely. */
1887     if (IsLocal(user) || IsService(user))
1888         return 0;
1889
1890     /* Check for alerts, and stop if we find one that kills them. */
1891     if (dict_foreach(opserv_user_alerts, alert_check_user, user))
1892         return 1;
1893
1894     /* Gag them if appropriate. */
1895     for (gag = gagList; gag; gag = gag->next) {
1896         if (user_matches_glob(user, gag->mask, 1)) {
1897             gag_helper_func(user, NULL);
1898             break;
1899         }
1900     }
1901
1902     /* Add to host info struct */
1903     if (!(ohi = dict_find(opserv_hostinfo_dict, inet_ntoa(user->ip), NULL))) {
1904         ohi = calloc(1, sizeof(*ohi));
1905         dict_insert(opserv_hostinfo_dict, strdup(inet_ntoa(user->ip)), ohi);
1906         userList_init(&ohi->clients);
1907     }
1908     userList_append(&ohi->clients, user);
1909
1910     /* Only warn of new user floods outside of bursts. */
1911     if (!user->uplink->burst) {
1912         if (!policer_conforms(&opserv_conf.new_user_policer, now, 10)) {
1913             if (!new_user_flood) {
1914                 new_user_flood = 1;
1915                 opserv_alert("Warning: Possible new-user flood.");
1916             }
1917         } else {
1918             new_user_flood = 0;
1919         }
1920     }
1921
1922     /* Only warn or G-line if there's an untrusted max and their IP is sane. */
1923     if (opserv_conf.untrusted_max && user->ip.s_addr && (ntohl(user->ip.s_addr) != INADDR_LOOPBACK)) {
1924         struct trusted_host *th = dict_find(opserv_trusted_hosts, inet_ntoa(user->ip), NULL);
1925         unsigned int limit = th ? th->limit : opserv_conf.untrusted_max;
1926         if (!limit) {
1927             /* 0 means unlimited hosts */
1928         } else if (ohi->clients.used == limit) {
1929             unsigned int nn;
1930             for (nn=0; nn<ohi->clients.used; nn++)
1931                 send_message(ohi->clients.list[nn], opserv, "OSMSG_CLONE_WARNING");
1932         } else if (ohi->clients.used > limit) {
1933             char target[18];
1934             sprintf(target, "*@%s", inet_ntoa(user->ip));
1935             gline_add(opserv->nick, target, opserv_conf.clone_gline_duration, "AUTO Excessive connections from a single host.", now, 1);
1936         }
1937     }
1938
1939     return 0;
1940 }
1941
1942 static void
1943 opserv_user_cleanup(struct userNode *user, UNUSED_ARG(struct userNode *killer), UNUSED_ARG(const char *why))
1944 {
1945     struct opserv_hostinfo *ohi;
1946
1947     if (IsLocal(user)) {
1948         /* Try to remove it from the reserved nick dict without
1949          * calling free_reserve, because that would call DelUser(),
1950          * and we'd loop back to here. */
1951         dict_remove(opserv_reserved_nick_dict, user->nick);
1952         return;
1953     }
1954     if ((ohi = dict_find(opserv_hostinfo_dict, inet_ntoa(user->ip), NULL))) {
1955         userList_remove(&ohi->clients, user);
1956         if (ohi->clients.used == 0) dict_remove(opserv_hostinfo_dict, inet_ntoa(user->ip));
1957     }
1958 }
1959
1960 int
1961 opserv_bad_channel(const char *name)
1962 {
1963     unsigned int found;
1964     int present;
1965
1966     dict_find(opserv_exempt_channels, name, &present);
1967     if (present)
1968         return 0;
1969
1970     if (gline_find(name))
1971         return 1;
1972
1973     for (found=0; found<opserv_bad_words->used; ++found)
1974         if (irccasestr(name, opserv_bad_words->list[found]))
1975             return 1;
1976
1977     return 0;
1978 }
1979
1980 static void
1981 opserv_shutdown_channel(struct chanNode *channel, const char *reason)
1982 {
1983     struct mod_chanmode *change;
1984     unsigned int nn;
1985
1986     change = mod_chanmode_alloc(2);
1987     change->modes_set = MODE_SECRET | MODE_INVITEONLY;
1988     change->args[0].mode = MODE_CHANOP;
1989     change->args[0].u.member = AddChannelUser(opserv, channel);
1990     change->args[1].mode = MODE_BAN;
1991     change->args[1].u.hostmask = "*!*@*";
1992     mod_chanmode_announce(opserv, channel, change);
1993     mod_chanmode_free(change);
1994     for (nn=channel->members.used; nn>0; ) {
1995         struct modeNode *mNode = channel->members.list[--nn];
1996         if (IsService(mNode->user))
1997             continue;
1998         KickChannelUser(mNode->user, channel, opserv, user_find_message(mNode->user, reason));
1999     }
2000     timeq_add(now + opserv_conf.purge_lock_delay, opserv_part_channel, channel);
2001 }
2002
2003 static void
2004 opserv_channel_check(struct chanNode *newchan)
2005 {
2006     /*char *warning; */
2007
2008     if (!newchan->join_policer.params) {
2009         newchan->join_policer.last_req = now;
2010         newchan->join_policer.params = opserv_conf.join_policer_params;
2011     }
2012     /*
2013     if ((warning = dict_find(opserv_chan_warn, newchan->name, NULL))) {
2014         char message[MAXLEN];
2015         snprintf(message, sizeof(message), "Channel activity warning for channel %s: %s", newchan->name, warning);
2016         global_message(MESSAGE_RECIPIENT_OPERS, message);
2017     }
2018     */
2019
2020     /* Wait until the join check to shut channels down. */
2021     newchan->bad_channel = opserv_bad_channel(newchan->name);
2022 }
2023
2024 static void
2025 opserv_channel_delete(struct chanNode *chan)
2026 {
2027     timeq_del(0, opserv_part_channel, chan, TIMEQ_IGNORE_WHEN);
2028 }
2029
2030 static int
2031 opserv_join_check(struct modeNode *mNode)
2032 {
2033     struct userNode *user = mNode->user;
2034     struct chanNode *channel = mNode->channel;
2035     const char *msg;
2036
2037     if (IsService(user))
2038         return 0;
2039
2040     dict_foreach(opserv_channel_alerts, alert_check_user, user);
2041
2042     if (channel->bad_channel) {
2043         opserv_debug("Found $b%s$b in bad-word channel $b%s$b; removing the user.", user->nick, channel->name);
2044         if (channel->name[0] != '#')
2045             DelUser(user, opserv, 1, "OSMSG_ILLEGAL_KILL_REASON");
2046         else if (!GetUserMode(channel, opserv))
2047             opserv_shutdown_channel(channel, "OSMSG_ILLEGAL_REASON");
2048         else {
2049             send_message(user, opserv, "OSMSG_ILLEGAL_CHANNEL", channel->name);
2050             msg = user_find_message(user, "OSMSG_ILLEGAL_REASON");
2051             KickChannelUser(user, channel, opserv, msg);
2052         }
2053         return 1;
2054     }
2055
2056     if (user->uplink->burst)
2057         return 0;
2058     if (policer_conforms(&channel->join_policer, now, 1.0)) {
2059         channel->join_flooded = 0;
2060         return 0;
2061     }
2062     if (!channel->join_flooded) {
2063         /* Don't moderate the channel unless it is activated and
2064            the number of users in the channel is over the threshold. */
2065         struct mod_chanmode change;
2066         mod_chanmode_init(&change);
2067         channel->join_flooded = 1;
2068         if (opserv_conf.join_flood_moderate && (channel->members.used > opserv_conf.join_flood_moderate_threshold)) {
2069             if (!GetUserMode(channel, opserv)) {
2070                 /* If we aren't in the channel, join it. */
2071                 change.args[0].mode = MODE_CHANOP;
2072                 change.args[0].u.member = AddChannelUser(opserv, channel);
2073                 change.argc++;
2074             }
2075             if (!(channel->modes & MODE_MODERATED))
2076                 change.modes_set |= MODE_MODERATED;
2077             if (change.modes_set || change.argc)
2078                 mod_chanmode_announce(opserv, channel, &change);
2079             send_target_message(0, channel->name, opserv, "OSMSG_FLOOD_MODERATE");
2080             opserv_alert("Warning: Possible join flood in %s (currently %d users; channel moderated).", channel->name, channel->members.used);
2081         } else {
2082             opserv_alert("Warning: Possible join flood in %s (currently %d users).", channel->name, channel->members.used);
2083         }
2084     }
2085     log_module(OS_LOG, LOG_INFO, "Join to %s during flood: "IDENT_FORMAT, channel->name, IDENT_DATA(user));
2086     return 0;
2087 }
2088
2089 static int
2090 opserv_add_bad_word(struct svccmd *cmd, struct userNode *user, const char *new_bad) {
2091     unsigned int bad_idx;
2092
2093     for (bad_idx = 0; bad_idx < opserv_bad_words->used; ++bad_idx) {
2094         char *orig_bad = opserv_bad_words->list[bad_idx];
2095         if (irccasestr(new_bad, orig_bad)) {
2096             if (user)
2097                 reply("OSMSG_BAD_REDUNDANT", new_bad, orig_bad);
2098             return 0;
2099         } else if (irccasestr(orig_bad, new_bad)) {
2100             if (user)
2101                 reply("OSMSG_BAD_GROWING", orig_bad, new_bad);
2102             free(orig_bad);
2103             opserv_bad_words->list[bad_idx] = strdup(new_bad);
2104             for (bad_idx++; bad_idx < opserv_bad_words->used; bad_idx++) {
2105                 orig_bad = opserv_bad_words->list[bad_idx];
2106                 if (!irccasestr(orig_bad, new_bad))
2107                     continue;
2108                 if (user)
2109                     reply("OSMSG_BAD_NUKING", orig_bad);
2110                 string_list_delete(opserv_bad_words, bad_idx);
2111                 bad_idx--;
2112                 free(orig_bad);
2113             }
2114             return 1;
2115         }
2116     }
2117     string_list_append(opserv_bad_words, strdup(new_bad));
2118     if (user)
2119         reply("OSMSG_ADDED_BAD", new_bad);
2120     return 1;
2121 }
2122
2123 static MODCMD_FUNC(cmd_addbad)
2124 {
2125     unsigned int arg, count;
2126     dict_iterator_t it;
2127     int bad_found, exempt_found;
2128
2129     /* Create the bad word if it doesn't exist. */
2130     bad_found = !opserv_add_bad_word(cmd, user, argv[1]);
2131
2132     /* Look for exception modifiers. */
2133     for (arg=2; arg<argc; arg++) {
2134         if (!irccasecmp(argv[arg], "except")) {
2135             reply("MSG_DEPRECATED_COMMAND", "addbad ... except", "addexempt");
2136             if (++arg > argc) {
2137                 reply("MSG_MISSING_PARAMS", "except");
2138                 break;
2139             }
2140             for (count = 0; (arg < argc) && IsChannelName(argv[arg]); arg++) {
2141                 dict_find(opserv_exempt_channels, argv[arg], &exempt_found);
2142                 if (!exempt_found) {
2143                     dict_insert(opserv_exempt_channels, strdup(argv[arg]), NULL);
2144                     count++;
2145                 }
2146             }
2147             reply("OSMSG_ADDED_EXEMPTIONS", count);
2148         } else {
2149             reply("MSG_DEPRECATED_COMMAND", "addbad (with modifiers)", "addbad");
2150             reply("OSMSG_BAD_MODIFIER", argv[arg]);
2151         }
2152     }
2153
2154     /* Scan for existing channels that match the new bad word. */
2155     if (!bad_found) {
2156         for (it = dict_first(channels); it; it = iter_next(it)) {
2157             struct chanNode *channel = iter_data(it);
2158
2159             if (!opserv_bad_channel(channel->name))
2160                 continue;
2161             channel->bad_channel = 1;
2162             if (channel->name[0] == '#')
2163                 opserv_shutdown_channel(channel, "OSMSG_ILLEGAL_REASON");
2164             else {
2165                 unsigned int nn;
2166                 for (nn=0; nn<channel->members.used; nn++) {
2167                     struct userNode *user = channel->members.list[nn]->user;
2168                     DelUser(user, cmd->parent->bot, 1, "OSMSG_ILLEGAL_KILL_REASON");
2169                 }
2170             }
2171         }
2172     }
2173
2174     return 1;
2175 }
2176
2177 static MODCMD_FUNC(cmd_delbad)
2178 {
2179     dict_iterator_t it;
2180     unsigned int nn;
2181
2182     for (nn=0; nn<opserv_bad_words->used; nn++) {
2183         if (!irccasecmp(opserv_bad_words->list[nn], argv[1])) {
2184             string_list_delete(opserv_bad_words, nn);
2185             for (it = dict_first(channels); it; it = iter_next(it)) {
2186                 channel = iter_data(it);
2187                 if (irccasestr(channel->name, argv[1])
2188                     && !opserv_bad_channel(channel->name)) {
2189                     DelChannelUser(cmd->parent->bot, channel, "Channel name no longer contains a bad word.", 1);
2190                     timeq_del(0, opserv_part_channel, channel, TIMEQ_IGNORE_WHEN);
2191                     channel->bad_channel = 0;
2192                 }
2193             }
2194             reply("OSMSG_REMOVED_BAD", argv[1]);
2195             return 1;
2196         }
2197     }
2198     reply("OSMSG_NOT_BAD_WORD", argv[1]);
2199     return 0;
2200 }
2201
2202 static MODCMD_FUNC(cmd_addexempt)
2203 {
2204     const char *chanName;
2205
2206     if ((argc > 1) && IsChannelName(argv[1])) {
2207         chanName = argv[1];
2208     } else {
2209         reply("MSG_NOT_CHANNEL_NAME");
2210         OPSERV_SYNTAX();
2211         return 0;
2212     }
2213     dict_insert(opserv_exempt_channels, strdup(chanName), NULL);
2214     channel = GetChannel(chanName);
2215     if (channel) {
2216         if (channel->bad_channel) {
2217             DelChannelUser(cmd->parent->bot, channel, "Channel is now exempt from bad-word checking.", 1);
2218             timeq_del(0, opserv_part_channel, channel, TIMEQ_IGNORE_WHEN);
2219         }
2220         channel->bad_channel = 0;
2221     }
2222     reply("OSMSG_ADDED_EXEMPTION", chanName);
2223     return 1;
2224 }
2225
2226 static MODCMD_FUNC(cmd_delexempt)
2227 {
2228     const char *chanName;
2229
2230     if ((argc > 1) && IsChannelName(argv[1])) {
2231         chanName = argv[1];
2232     } else {
2233         reply("MSG_NOT_CHANNEL_NAME");
2234         OPSERV_SYNTAX();
2235         return 0;
2236     }
2237     if (!dict_remove(opserv_exempt_channels, chanName)) {
2238         reply("OSMSG_NOT_EXEMPT", chanName);
2239         return 0;
2240     }
2241     reply("OSMSG_REMOVED_EXEMPTION", chanName);
2242     return 1;
2243 }
2244
2245 static void
2246 opserv_expire_trusted_host(void *data)
2247 {
2248     struct trusted_host *th = data;
2249     dict_remove(opserv_trusted_hosts, th->ipaddr);
2250 }
2251
2252 static void
2253 opserv_add_trusted_host(const char *ipaddr, unsigned int limit, const char *issuer, time_t issued, time_t expires, const char *reason)
2254 {
2255     struct trusted_host *th;
2256     th = calloc(1, sizeof(*th));
2257     if (!th)
2258         return;
2259     th->ipaddr = strdup(ipaddr);
2260     th->reason = reason ? strdup(reason) : NULL;
2261     th->issuer = issuer ? strdup(issuer) : NULL;
2262     th->issued = issued;
2263     th->limit = limit;
2264     th->expires = expires;
2265     dict_insert(opserv_trusted_hosts, th->ipaddr, th);
2266     if (th->expires)
2267         timeq_add(th->expires, opserv_expire_trusted_host, th);
2268 }
2269
2270 static void
2271 free_trusted_host(void *data)
2272 {
2273     struct trusted_host *th = data;
2274     free(th->ipaddr);
2275     free(th->reason);
2276     free(th->issuer);
2277     free(th);
2278 }
2279
2280 static MODCMD_FUNC(cmd_addtrust)
2281 {
2282     unsigned long interval;
2283     char *reason, *tmp;
2284     struct in_addr tmpaddr;
2285     unsigned int count;
2286
2287     if (dict_find(opserv_trusted_hosts, argv[1], NULL)) {
2288         reply("OSMSG_ALREADY_TRUSTED", argv[1]);
2289         return 0;
2290     }
2291
2292     if (!inet_aton(argv[1], &tmpaddr)) {
2293         reply("OSMSG_BAD_IP", argv[1]);
2294         return 0;
2295     }
2296
2297     count = strtoul(argv[2], &tmp, 10);
2298     if (*tmp != '\0') {
2299         reply("OSMSG_BAD_NUMBER", argv[2]);
2300         return 0;
2301     }
2302
2303     interval = ParseInterval(argv[3]);
2304     if (!interval && strcmp(argv[3], "0")) {
2305         reply("MSG_INVALID_DURATION", argv[3]);
2306         return 0;
2307     }
2308
2309     reason = unsplit_string(argv+4, argc-4, NULL);
2310     opserv_add_trusted_host(argv[1], count, user->handle_info->handle, now, interval ? (now + interval) : 0, reason);
2311     reply("OSMSG_ADDED_TRUSTED");
2312     return 1;
2313 }
2314
2315 static MODCMD_FUNC(cmd_edittrust)
2316 {
2317     unsigned long interval;
2318     struct trusted_host *th;
2319     char *reason, *tmp;
2320     unsigned int count;
2321
2322     th = dict_find(opserv_trusted_hosts, argv[1], NULL);
2323     if (!th) {
2324         reply("OSMSG_NOT_TRUSTED", argv[1]);
2325         return 0;
2326     }
2327     count = strtoul(argv[2], &tmp, 10);
2328     if (!count || *tmp) {
2329         reply("OSMSG_BAD_NUMBER", argv[2]);
2330         return 0;
2331     }
2332     interval = ParseInterval(argv[3]);
2333     if (!interval && strcmp(argv[3], "0")) {
2334         reply("MSG_INVALID_DURATION", argv[3]);
2335         return 0;
2336     }
2337     reason = unsplit_string(argv+4, argc-4, NULL);
2338     if (th->expires)
2339         timeq_del(th->expires, opserv_expire_trusted_host, th, 0);
2340
2341     free(th->reason);
2342     th->reason = strdup(reason);
2343     free(th->issuer);
2344     th->issuer = strdup(user->handle_info->handle);
2345     th->issued = now;
2346     th->limit = count;
2347     if (interval) {
2348         th->expires = now + interval;
2349         timeq_add(th->expires, opserv_expire_trusted_host, th);
2350     } else
2351         th->expires = 0;
2352     reply("OSMSG_UPDATED_TRUSTED", th->ipaddr);
2353     return 1;
2354 }
2355
2356 static MODCMD_FUNC(cmd_deltrust)
2357 {
2358     unsigned int n;
2359
2360     for (n=1; n<argc; n++) {
2361         struct trusted_host *th = dict_find(opserv_trusted_hosts, argv[n], NULL);
2362         if (!th)
2363             continue;
2364         if (th->expires)
2365             timeq_del(th->expires, opserv_expire_trusted_host, th, 0);
2366         dict_remove(opserv_trusted_hosts, argv[n]);
2367     }
2368     reply("OSMSG_REMOVED_TRUSTED");
2369     return 1;
2370 }
2371
2372 /* This doesn't use dict_t because it's a little simpler to open-code the
2373  * comparisons (and simpler arg-passing for the ADD subcommand).
2374  */
2375 static MODCMD_FUNC(cmd_clone)
2376 {
2377     int i;
2378     struct userNode *clone;
2379
2380     clone = GetUserH(argv[2]);
2381     if (!irccasecmp(argv[1], "ADD")) {
2382         char *userinfo;
2383         char ident[USERLEN+1];
2384
2385         if (argc < 5) {
2386             reply("MSG_MISSING_PARAMS", argv[1]);
2387             OPSERV_SYNTAX();
2388             return 0;
2389         }
2390         if (clone) {
2391             reply("OSMSG_CLONE_EXISTS", argv[2]);
2392             return 0;
2393         }
2394         userinfo = unsplit_string(argv+4, argc-4, NULL);
2395         for (i=0; argv[3][i] && (i<USERLEN); i++) {
2396             if (argv[3][i] == '@') {
2397                 ident[i++] = 0;
2398                 break;
2399             } else {
2400                 ident[i] = argv[3][i];
2401             }
2402         }
2403         if (!argv[3][i] || (i==USERLEN)) {
2404             reply("OSMSG_NOT_A_HOSTMASK");
2405             return 0;
2406         }
2407         if (!(clone = AddClone(argv[2], ident, argv[3]+i, userinfo))) {
2408             reply("OSMSG_CLONE_FAILED", argv[2]);
2409             return 0;
2410         }
2411         reply("OSMSG_CLONE_ADDED", clone->nick);
2412         return 1;
2413     }
2414     if (!clone) {
2415         reply("MSG_NICK_UNKNOWN", argv[2]);
2416         return 0;
2417     }
2418     if (clone->uplink != self || IsService(clone)) {
2419         reply("OSMSG_NOT_A_CLONE", clone->nick);
2420         return 0;
2421     }
2422     if (!irccasecmp(argv[1], "REMOVE")) {
2423         const char *reason;
2424         if (argc > 3) {
2425             reason = unsplit_string(argv+3, argc-3, NULL);
2426         } else {
2427             char *tmp;
2428             tmp = alloca(strlen(clone->nick) + strlen(OSMSG_PART_REASON));
2429             sprintf(tmp, OSMSG_PART_REASON, clone->nick);
2430             reason = tmp;
2431         }
2432         DelUser(clone, NULL, 1, reason);
2433         reply("OSMSG_CLONE_REMOVED", argv[2]);
2434         return 1;
2435     }
2436     if (argc < 4) {
2437         reply("MSG_MISSING_PARAMS", argv[1]);
2438         OPSERV_SYNTAX();
2439         return 0;
2440     }
2441     channel = GetChannel(argv[3]);
2442     if (!irccasecmp(argv[1], "JOIN")) {
2443         if (!channel
2444             && !(channel = AddChannel(argv[3], now, NULL, NULL, NULL))) {
2445             reply("MSG_CHANNEL_UNKNOWN", argv[3]);
2446             return 0;
2447         }
2448         AddChannelUser(clone, channel);
2449         reply("OSMSG_CLONE_JOINED", clone->nick, channel->name);
2450         return 1;
2451     }
2452     if (!irccasecmp(argv[1], "PART")) {
2453         if (!channel) {
2454             reply("MSG_CHANNEL_UNKNOWN", argv[3]);
2455             return 0;
2456         }
2457         if (!GetUserMode(channel, clone)) {
2458             reply("OSMSG_NOT_ON_CHANNEL", clone->nick, channel->name);
2459             return 0;
2460         }
2461         reply("OSMSG_CLONE_PARTED", clone->nick, channel->name);
2462         DelChannelUser(clone, channel, "Leaving.", 0);
2463         return 1;
2464     }
2465     if (!irccasecmp(argv[1], "OP")) {
2466         struct mod_chanmode change;
2467         if (!channel) {
2468             reply("MSG_CHANNEL_UNKNOWN", argv[3]);
2469             return 0;
2470         }
2471         mod_chanmode_init(&change);
2472         change.argc = 1;
2473         change.args[0].mode = MODE_CHANOP;
2474         change.args[0].u.member = GetUserMode(channel, clone);
2475         if (!change.args[0].u.member) {
2476             reply("OSMSG_NOT_ON_CHANNEL", clone->nick, channel->name);
2477             return 0;
2478         }
2479         modcmd_chanmode_announce(&change);
2480         reply("OSMSG_OPS_GIVEN", channel->name, clone->nick);
2481         return 1;
2482     }
2483     if (!irccasecmp(argv[1], "HOP")) {
2484         struct mod_chanmode change;
2485         if (!channel) {
2486             reply("MSG_CHANNEL_UNKNOWN", argv[3]);
2487             return 0;
2488         }
2489         mod_chanmode_init(&change);
2490         change.argc = 1;
2491         change.args[0].mode = MODE_HALFOP;
2492         change.args[0].u.member = GetUserMode(channel, clone);
2493         if (!change.args[0].u.member) {
2494             reply("OSMSG_NOT_ON_CHANNEL", clone->nick, channel->name);
2495             return 0;
2496         }
2497         modcmd_chanmode_announce(&change);
2498         reply("OSMSG_HOPS_GIVEN", channel->name, clone->nick);
2499         return 1;
2500     }
2501     if (argc < 5) {
2502         reply("MSG_MISSING_PARAMS", argv[1]);
2503         OPSERV_SYNTAX();
2504         return 0;
2505     }
2506     if (!irccasecmp(argv[1], "SAY")) {
2507         char *text = unsplit_string(argv+4, argc-4, NULL);
2508         irc_privmsg(clone, argv[3], text);
2509         reply("OSMSG_CLONE_SAID", clone->nick, argv[3]);
2510         return 1;
2511     }
2512     reply("OSMSG_UNKNOWN_SUBCOMMAND", argv[1], argv[0]);
2513     return 0;
2514 }
2515
2516 static struct helpfile_expansion
2517 opserv_help_expand(const char *variable)
2518 {
2519     extern struct userNode *message_source;
2520     struct helpfile_expansion exp;
2521     struct service *service;
2522     struct svccmd *cmd;
2523     dict_iterator_t it;
2524     int row;
2525     unsigned int level;
2526
2527     if (!(service = service_find(message_source->nick))) {
2528         exp.type = HF_STRING;
2529         exp.value.str = NULL;
2530     } else if (!irccasecmp(variable, "index")) {
2531         exp.type = HF_TABLE;
2532         exp.value.table.length = 1;
2533         exp.value.table.width = 2;
2534         exp.value.table.flags = TABLE_REPEAT_HEADERS | TABLE_REPEAT_ROWS;
2535         exp.value.table.contents = calloc(dict_size(service->commands)+1, sizeof(char**));
2536         exp.value.table.contents[0] = calloc(exp.value.table.width, sizeof(char*));
2537         exp.value.table.contents[0][0] = "Command";
2538         exp.value.table.contents[0][1] = "Level";
2539         for (it=dict_first(service->commands); it; it=iter_next(it)) {
2540             cmd = iter_data(it);
2541             row = exp.value.table.length++;
2542             exp.value.table.contents[row] = calloc(exp.value.table.width, sizeof(char*));
2543             exp.value.table.contents[row][0] = iter_key(it);
2544             level = cmd->min_opserv_level;
2545             if (!level_strings[level]) {
2546                 level_strings[level] = malloc(16);
2547                 snprintf(level_strings[level], 16, "%3d", level);
2548             }
2549             exp.value.table.contents[row][1] = level_strings[level];
2550         }
2551     } else if (!strncasecmp(variable, "level", 5)) {
2552         cmd = dict_find(service->commands, variable+6, NULL);
2553         exp.type = HF_STRING;
2554         if (cmd) {
2555             level = cmd->min_opserv_level;
2556             exp.value.str = malloc(16);
2557             snprintf(exp.value.str, 16, "%3d", level);
2558         } else {
2559             exp.value.str = NULL;
2560         }
2561     } else {
2562         exp.type = HF_STRING;
2563         exp.value.str = NULL;
2564     }
2565     return exp;
2566 }
2567
2568 struct modcmd *
2569 opserv_define_func(const char *name, modcmd_func_t *func, int min_level, int reqchan, int min_argc)
2570 {
2571     char buf[16], *flags = NULL;
2572     unsigned int iflags = 0;
2573     sprintf(buf, "%d", min_level);
2574     switch (reqchan) {
2575     case 1: flags = "+acceptchan"; break;
2576     case 3: flags = "+acceptpluschan"; /* fall through */
2577     case 2: iflags = MODCMD_REQUIRE_CHANNEL; break;
2578     }
2579     if (flags) {
2580         return modcmd_register(opserv_module, name, func, min_argc, iflags, "level", buf, "flags", flags, "flags", "+oper", NULL);
2581     } else {
2582         return modcmd_register(opserv_module, name, func, min_argc, iflags, "level", buf, "flags", "+oper", NULL);
2583     }
2584 }
2585
2586 int add_reserved(const char *key, void *data, void *extra)
2587 {
2588     struct record_data *rd = data;
2589     const char *ident, *hostname, *desc;
2590     struct userNode *reserve;
2591     ident = database_get_data(rd->d.object, KEY_IDENT, RECDB_QSTRING);
2592     if (!ident) {
2593         log_module(OS_LOG, LOG_ERROR, "Missing ident for reserve of %s", key);
2594         return 0;
2595     }
2596     hostname = database_get_data(rd->d.object, KEY_HOSTNAME, RECDB_QSTRING);
2597     if (!hostname) {
2598         log_module(OS_LOG, LOG_ERROR, "Missing hostname for reserve of %s", key);
2599         return 0;
2600     }
2601     desc = database_get_data(rd->d.object, KEY_DESC, RECDB_QSTRING);
2602     if (!desc) {
2603         log_module(OS_LOG, LOG_ERROR, "Missing description for reserve of %s", key);
2604         return 0;
2605     }
2606     if ((reserve = AddClone(key, ident, hostname, desc))) {
2607         reserve->modes |= FLAGS_PERSISTENT;
2608         dict_insert(extra, reserve->nick, reserve);
2609     }
2610     return 0;
2611 }
2612
2613 static unsigned int
2614 foreach_matching_user(const char *hostmask, discrim_search_func func, void *extra)
2615 {
2616     discrim_t discrim;
2617     char *dupmask;
2618     unsigned int matched;
2619
2620     if (!self->uplink) return 0;
2621     discrim = calloc(1, sizeof(*discrim));
2622     discrim->limit = dict_size(clients);
2623     discrim->max_level = ~0;
2624     discrim->max_ts = now;
2625     discrim->max_channels = INT_MAX;
2626     discrim->authed = -1;
2627     discrim->info_space = -1;
2628     dupmask = strdup(hostmask);
2629     if (split_ircmask(dupmask, &discrim->mask_nick, &discrim->mask_ident, &discrim->mask_host)) {
2630         if (discrim->mask_host && !discrim->mask_host[strspn(discrim->mask_host, "0123456789.?*")]) {
2631             if (!parse_ipmask(discrim->mask_host, &discrim->ip_addr, &discrim->ip_mask)) {
2632                 log_module(OS_LOG, LOG_ERROR, "Couldn't parse %s as an IP mask!", discrim->mask_host);
2633                 free(discrim);
2634                 free(dupmask);
2635                 return 0;
2636             }
2637             discrim->mask_host = 0;
2638         }
2639         matched = opserv_discrim_search(discrim, func, extra);
2640     } else {
2641         log_module(OS_LOG, LOG_ERROR, "Couldn't split IRC mask for gag %s!", hostmask);
2642         matched = 0;
2643     }
2644     free(discrim);
2645     free(dupmask);
2646     return matched;
2647 }
2648
2649 static unsigned int
2650 gag_free(struct gag_entry *gag)
2651 {
2652     unsigned int ungagged;
2653
2654     /* Remove from gag list */
2655     if (gagList == gag) {
2656         gagList = gag->next;
2657     } else {
2658         struct gag_entry *prev;
2659         for (prev = gagList; prev->next != gag; prev = prev->next) ;
2660         prev->next = gag->next;
2661     }
2662
2663     ungagged = foreach_matching_user(gag->mask, ungag_helper_func, NULL);
2664
2665     /* Deallocate storage */
2666     free(gag->reason);
2667     free(gag->owner);
2668     free(gag->mask);
2669     free(gag);
2670
2671     return ungagged;
2672 }
2673
2674 static void
2675 gag_expire(void *data)
2676 {
2677     gag_free(data);
2678 }
2679
2680 unsigned int
2681 gag_create(const char *mask, const char *owner, const char *reason, time_t expires)
2682 {
2683     struct gag_entry *gag;
2684
2685     /* Create gag and put it into linked list */
2686     gag = calloc(1, sizeof(*gag));
2687     gag->mask = strdup(mask);
2688     gag->owner = strdup(owner ? owner : "<unknown>");
2689     gag->reason = strdup(reason ? reason : "<unknown>");
2690     gag->expires = expires;
2691     if (gag->expires)
2692         timeq_add(gag->expires, gag_expire, gag);
2693     gag->next = gagList;
2694     gagList = gag;
2695
2696     /* If we're linked, see if who the gag applies to */
2697     return foreach_matching_user(mask, gag_helper_func, gag);
2698 }
2699
2700 static int
2701 add_gag_helper(const char *key, void *data, UNUSED_ARG(void *extra))
2702 {
2703     struct record_data *rd = data;
2704     char *owner, *reason, *expstr;
2705     time_t expires;
2706
2707     owner = database_get_data(rd->d.object, KEY_OWNER, RECDB_QSTRING);
2708     reason = database_get_data(rd->d.object, KEY_REASON, RECDB_QSTRING);
2709     expstr = database_get_data(rd->d.object, KEY_EXPIRES, RECDB_QSTRING);
2710     expires = expstr ? strtoul(expstr, NULL, 0) : 0;
2711     gag_create(key, owner, reason, expires);
2712
2713     return 0;
2714 }
2715
2716 static struct opserv_user_alert *
2717 opserv_add_user_alert(struct userNode *req, const char *name, opserv_alert_reaction reaction, const char *text_discrim)
2718 {
2719     unsigned int wordc;
2720     char *wordv[MAXNUMPARAMS], *discrim_copy;
2721     struct opserv_user_alert *alert;
2722     char *name_dup;
2723
2724     if (dict_find(opserv_user_alerts, name, NULL)) {
2725         send_message(req, opserv, "OSMSG_ALERT_EXISTS", name);
2726         return NULL;
2727     }
2728     alert = malloc(sizeof(*alert));
2729     alert->owner = strdup(req->handle_info ? req->handle_info->handle : req->nick);
2730     alert->text_discrim = strdup(text_discrim);
2731     discrim_copy = strdup(text_discrim); /* save a copy of the discrim */
2732     wordc = split_line(discrim_copy, false, ArrayLength(wordv), wordv);
2733     alert->discrim = opserv_discrim_create(req, opserv, wordc, wordv, 0);
2734     if (!alert->discrim) {
2735         free(alert->text_discrim);
2736         free(discrim_copy);
2737         free(alert);
2738         return NULL;
2739     }
2740     alert->split_discrim = discrim_copy;
2741     name_dup = strdup(name);
2742     if (!alert->discrim->reason)
2743         alert->discrim->reason = strdup(name);
2744     alert->reaction = reaction;
2745     dict_insert(opserv_user_alerts, name_dup, alert);
2746     /* Stick the alert into the appropriate additional alert dict(s).
2747      * For channel alerts, we only use channels and min_channels;
2748      * max_channels would have to be checked on /part, which we do not
2749      * yet do, and which seems of questionable value.
2750      */
2751     if (alert->discrim->channel || alert->discrim->min_channels)
2752         dict_insert(opserv_channel_alerts, name_dup, alert);
2753     if (alert->discrim->mask_nick)
2754         dict_insert(opserv_nick_based_alerts, name_dup, alert);
2755     return alert;
2756 }
2757
2758 /*
2759 static int
2760 add_chan_warn(const char *key, void *data, UNUSED_ARG(void *extra))
2761 {
2762     struct record_data *rd = data;
2763     char *reason = GET_RECORD_QSTRING(rd);
2764
2765     * i hope this can't happen *
2766     if (!reason)
2767         reason = "No Reason";
2768
2769     dict_insert(opserv_chan_warn, strdup(key), strdup(reason));
2770     return 0;
2771 }
2772 */
2773
2774 static int
2775 add_user_alert(const char *key, void *data, UNUSED_ARG(void *extra))
2776 {
2777     dict_t alert_dict;
2778     const char *discrim, *react, *owner;
2779     opserv_alert_reaction reaction;
2780     struct opserv_user_alert *alert;
2781
2782     if (!(alert_dict = GET_RECORD_OBJECT((struct record_data *)data))) {
2783         log_module(OS_LOG, LOG_ERROR, "Bad type (not a record) for alert %s.", key);
2784         return 1;
2785     }
2786     discrim = database_get_data(alert_dict, KEY_DISCRIM, RECDB_QSTRING);
2787     react = database_get_data(alert_dict, KEY_REACTION, RECDB_QSTRING);
2788     if (!react || !irccasecmp(react, "notice"))
2789         reaction = REACT_NOTICE;
2790     else if (!irccasecmp(react, "kill"))
2791         reaction = REACT_KILL;
2792     else if (!irccasecmp(react, "gline"))
2793         reaction = REACT_GLINE;
2794     else {
2795         log_module(OS_LOG, LOG_ERROR, "Invalid reaction %s for alert %s.", react, key);
2796         return 0;
2797     }
2798     alert = opserv_add_user_alert(opserv, key, reaction, discrim);
2799     if (!alert) {
2800         log_module(OS_LOG, LOG_ERROR, "Unable to create alert %s from database.", key);
2801         return 0;
2802     }
2803     owner = database_get_data(alert_dict, KEY_OWNER, RECDB_QSTRING);
2804     free(alert->owner);
2805     alert->owner = strdup(owner ? owner : "<unknown>");
2806     return 0;
2807 }
2808
2809 static int
2810 trusted_host_read(const char *host, void *data, UNUSED_ARG(void *extra))
2811 {
2812     struct record_data *rd = data;
2813     const char *limit, *str, *reason, *issuer;
2814     time_t issued, expires;
2815
2816     if (rd->type == RECDB_QSTRING) {
2817         /* old style host by itself */
2818         limit = GET_RECORD_QSTRING(rd);
2819         issued = 0;
2820         issuer = NULL;
2821         expires = 0;
2822         reason = NULL;
2823     } else if (rd->type == RECDB_OBJECT) {
2824         dict_t obj = GET_RECORD_OBJECT(rd);
2825         /* new style structure */
2826         limit = database_get_data(obj, KEY_LIMIT, RECDB_QSTRING);
2827         str = database_get_data(obj, KEY_EXPIRES, RECDB_QSTRING);
2828         expires = str ? ParseInterval(str) : 0;
2829         reason = database_get_data(obj, KEY_REASON, RECDB_QSTRING);
2830         issuer = database_get_data(obj, KEY_ISSUER, RECDB_QSTRING);
2831         str = database_get_data(obj, KEY_ISSUED, RECDB_QSTRING);
2832         issued = str ? ParseInterval(str) : 0;
2833     } else
2834         return 0;
2835
2836     if (expires && (expires < now))
2837         return 0;
2838     opserv_add_trusted_host(host, (limit ? strtoul(limit, NULL, 0) : 0), issuer, issued, expires, reason);
2839     return 0;
2840 }
2841
2842 static int
2843 opserv_saxdb_read(struct dict *conf_db)
2844 {
2845     dict_t object;
2846     struct record_data *rd;
2847     dict_iterator_t it;
2848     unsigned int nn;
2849
2850     if ((object = database_get_data(conf_db, KEY_RESERVES, RECDB_OBJECT)))
2851         dict_foreach(object, add_reserved, opserv_reserved_nick_dict);
2852     if ((rd = database_get_path(conf_db, KEY_BAD_WORDS))) {
2853         switch (rd->type) {
2854         case RECDB_STRING_LIST:
2855             /* Add words one by one just in case there are overlaps from an old DB. */
2856             for (nn=0; nn<rd->d.slist->used; ++nn)
2857                 opserv_add_bad_word(NULL, NULL, rd->d.slist->list[nn]);
2858             break;
2859         case RECDB_OBJECT:
2860             for (it=dict_first(rd->d.object); it; it=iter_next(it)) {
2861                 opserv_add_bad_word(NULL, NULL, iter_key(it));
2862                 rd = iter_data(it);
2863                 if (rd->type == RECDB_STRING_LIST)
2864                     for (nn=0; nn<rd->d.slist->used; nn++)
2865                         dict_insert(opserv_exempt_channels, strdup(rd->d.slist->list[nn]), NULL);
2866             }
2867             break;
2868         default:
2869             /* do nothing */;
2870         }
2871     }
2872     if ((rd = database_get_path(conf_db, KEY_EXEMPT_CHANNELS))
2873         && (rd->type == RECDB_STRING_LIST)) {
2874         for (nn=0; nn<rd->d.slist->used; ++nn)
2875             dict_insert(opserv_exempt_channels, strdup(rd->d.slist->list[nn]), NULL);
2876     }
2877     if ((object = database_get_data(conf_db, KEY_MAX_CLIENTS, RECDB_OBJECT))) {
2878         char *str;
2879         if ((str = database_get_data(object, KEY_MAX, RECDB_QSTRING)))
2880             max_clients = atoi(str);
2881         if ((str = database_get_data(object, KEY_TIME, RECDB_QSTRING)))
2882             max_clients_time = atoi(str);
2883     }
2884     if ((object = database_get_data(conf_db, KEY_TRUSTED_HOSTS, RECDB_OBJECT)))
2885         dict_foreach(object, trusted_host_read, opserv_trusted_hosts);
2886     if ((object = database_get_data(conf_db, KEY_GAGS, RECDB_OBJECT)))
2887         dict_foreach(object, add_gag_helper, NULL);
2888     if ((object = database_get_data(conf_db, KEY_ALERTS, RECDB_OBJECT)))
2889         dict_foreach(object, add_user_alert, NULL);
2890 /*
2891     if ((object = database_get_data(conf_db, KEY_WARN, RECDB_OBJECT)))
2892         dict_foreach(object, add_chan_warn, NULL);
2893 */
2894     return 0;
2895 }
2896
2897 static int
2898 opserv_saxdb_write(struct saxdb_context *ctx)
2899 {
2900     struct string_list *slist;
2901     dict_iterator_t it;
2902
2903     /* reserved nicks */
2904     if (dict_size(opserv_reserved_nick_dict)) {
2905         saxdb_start_record(ctx, KEY_RESERVES, 1);
2906         for (it = dict_first(opserv_reserved_nick_dict); it; it = iter_next(it)) {
2907             struct userNode *user = iter_data(it);
2908             if (!IsPersistent(user)) continue;
2909             saxdb_start_record(ctx, iter_key(it), 0);
2910             saxdb_write_string(ctx, KEY_IDENT, user->ident);
2911             saxdb_write_string(ctx, KEY_HOSTNAME, user->hostname);
2912             saxdb_write_string(ctx, KEY_DESC, user->info);
2913             saxdb_end_record(ctx);
2914         }
2915         saxdb_end_record(ctx);
2916     }
2917     /* bad word set */
2918     if (opserv_bad_words->used) {
2919         saxdb_write_string_list(ctx, KEY_BAD_WORDS, opserv_bad_words);
2920     }
2921     /* insert exempt channel names */
2922     if (dict_size(opserv_exempt_channels)) {
2923         slist = alloc_string_list(dict_size(opserv_exempt_channels));
2924         for (it=dict_first(opserv_exempt_channels); it; it=iter_next(it)) {
2925             string_list_append(slist, strdup(iter_key(it)));
2926         }
2927         saxdb_write_string_list(ctx, KEY_EXEMPT_CHANNELS, slist);
2928         free_string_list(slist);
2929     }
2930     /* trusted hosts takes a little more work */
2931     if (dict_size(opserv_trusted_hosts)) {
2932         saxdb_start_record(ctx, KEY_TRUSTED_HOSTS, 1);
2933         for (it = dict_first(opserv_trusted_hosts); it; it = iter_next(it)) {
2934             struct trusted_host *th = iter_data(it);
2935             saxdb_start_record(ctx, iter_key(it), 0);
2936             if (th->limit) saxdb_write_int(ctx, KEY_LIMIT, th->limit);
2937             if (th->expires) saxdb_write_int(ctx, KEY_EXPIRES, th->expires);
2938             if (th->issued) saxdb_write_int(ctx, KEY_ISSUED, th->issued);
2939             if (th->issuer) saxdb_write_string(ctx, KEY_ISSUER, th->issuer);
2940             if (th->reason) saxdb_write_string(ctx, KEY_REASON, th->reason);
2941             saxdb_end_record(ctx);
2942         }
2943         saxdb_end_record(ctx);
2944     }
2945     /* gags */
2946     if (gagList) {
2947         struct gag_entry *gag;
2948         saxdb_start_record(ctx, KEY_GAGS, 1);
2949         for (gag = gagList; gag; gag = gag->next) {
2950             saxdb_start_record(ctx, gag->mask, 0);
2951             saxdb_write_string(ctx, KEY_OWNER, gag->owner);
2952             saxdb_write_string(ctx, KEY_REASON, gag->reason);
2953             if (gag->expires) saxdb_write_int(ctx, KEY_EXPIRES, gag->expires);
2954             saxdb_end_record(ctx);
2955         }
2956         saxdb_end_record(ctx);
2957     }
2958     /* channel warnings */
2959     /*
2960     if (dict_size(opserv_chan_warn)) {
2961         saxdb_start_record(ctx, KEY_WARN, 0);
2962         for (it = dict_first(opserv_chan_warn); it; it = iter_next(it)) {
2963             saxdb_write_string(ctx, iter_key(it), iter_data(it));
2964         }
2965         saxdb_end_record(ctx);
2966     }
2967     */
2968     /* alerts */
2969     if (dict_size(opserv_user_alerts)) {
2970         saxdb_start_record(ctx, KEY_ALERTS, 1);
2971         for (it = dict_first(opserv_user_alerts); it; it = iter_next(it)) {
2972             struct opserv_user_alert *alert = iter_data(it);
2973             const char *reaction;
2974             saxdb_start_record(ctx, iter_key(it), 0);
2975             saxdb_write_string(ctx, KEY_DISCRIM, alert->text_discrim);
2976             saxdb_write_string(ctx, KEY_OWNER, alert->owner);
2977             switch (alert->reaction) {
2978             case REACT_NOTICE: reaction = "notice"; break;
2979             case REACT_KILL: reaction = "kill"; break;
2980             case REACT_GLINE: reaction = "gline"; break;
2981             default:
2982                 reaction = NULL;
2983                 log_module(OS_LOG, LOG_ERROR, "Invalid reaction type %d for alert %s (while writing database).", alert->reaction, iter_key(it));
2984                 break;
2985             }
2986             if (reaction) saxdb_write_string(ctx, KEY_REACTION, reaction);
2987             saxdb_end_record(ctx);
2988         }
2989         saxdb_end_record(ctx);
2990     }
2991     /* max clients */
2992     saxdb_start_record(ctx, KEY_MAX_CLIENTS, 0);
2993     saxdb_write_int(ctx, KEY_MAX, max_clients);
2994     saxdb_write_int(ctx, KEY_TIME, max_clients_time);
2995     saxdb_end_record(ctx);
2996     return 0;
2997 }
2998
2999 static int
3000 query_keys_helper(const char *key, UNUSED_ARG(void *data), void *extra)
3001 {
3002     send_message_type(4, extra, opserv, "$b%s$b", key);
3003     return 0;
3004 }
3005
3006 static MODCMD_FUNC(cmd_query)
3007 {
3008     struct record_data *rd;
3009     unsigned int i;
3010     char *nodename;
3011
3012     if (argc < 2) {
3013         reply("OSMSG_OPTION_ROOT");
3014         conf_enum_root(query_keys_helper, user);
3015         return 1;
3016     }
3017
3018     nodename = unsplit_string(argv+1, argc-1, NULL);
3019     if (!(rd = conf_get_node(nodename))) {
3020         reply("OSMSG_UNKNOWN_OPTION", nodename);
3021         return 0;
3022     }
3023
3024     if (rd->type == RECDB_QSTRING)
3025         reply("OSMSG_OPTION_IS", nodename, rd->d.qstring);
3026     else if (rd->type == RECDB_STRING_LIST) {
3027         reply("OSMSG_OPTION_LIST", nodename);
3028         if (rd->d.slist->used)
3029             for (i=0; i<rd->d.slist->used; i++)
3030                 send_message_type(4, user, cmd->parent->bot, "$b%s$b", rd->d.slist->list[i]);
3031         else
3032             reply("OSMSG_OPTION_LIST_EMPTY");
3033     } else if (rd->type == RECDB_OBJECT) {
3034         reply("OSMSG_OPTION_KEYS", nodename);
3035         dict_foreach(rd->d.object, query_keys_helper, user);
3036     }
3037
3038     return 1;
3039 }
3040
3041 static MODCMD_FUNC(cmd_set)
3042 {
3043     struct record_data *rd;
3044
3045     /* I originally wanted to be able to fully manipulate the config
3046        db with this, but i wussed out. feel free to fix this - you'll
3047        need to handle quoted strings which have been split, and likely
3048        invent a syntax for it. -Zoot */
3049
3050     if (!(rd = conf_get_node(argv[1]))) {
3051         reply("OSMSG_SET_NOT_SET", argv[1]);
3052         return 0;
3053     }
3054
3055     if (rd->type != RECDB_QSTRING) {
3056         reply("OSMSG_SET_BAD_TYPE", argv[1]);
3057         return 0;
3058     }
3059
3060     free(rd->d.qstring);
3061     rd->d.qstring = strdup(argv[2]);
3062     conf_call_reload_funcs();
3063     reply("OSMSG_SET_SUCCESS", argv[1], argv[2]);
3064     return 1;
3065 }
3066
3067 static MODCMD_FUNC(cmd_settime)
3068 {
3069     const char *srv_name_mask = "*";
3070     time_t new_time = now;
3071
3072     if (argc > 1)
3073         srv_name_mask = argv[1];
3074     if (argc > 2)
3075         new_time = time(NULL);
3076     irc_settime(srv_name_mask, new_time);
3077     reply("OSMSG_SETTIME_SUCCESS", srv_name_mask);
3078     return 1;
3079 }
3080
3081 static discrim_t
3082 opserv_discrim_create(struct userNode *user, struct userNode *bot, unsigned int argc, char *argv[], int allow_channel)
3083 {
3084     unsigned int i, j;
3085     discrim_t discrim;
3086
3087     discrim = calloc(1, sizeof(*discrim));
3088     discrim->limit = 250;
3089     discrim->max_level = ~0;
3090     discrim->max_ts = INT_MAX;
3091     discrim->domain_depth = 2;
3092     discrim->max_channels = INT_MAX;
3093     discrim->authed = -1;
3094     discrim->info_space = -1;
3095
3096     for (i=0; i<argc; i++) {
3097         if (irccasecmp(argv[i], "log") == 0) {
3098             discrim->option_log = 1;
3099             continue;
3100         }
3101         /* Assume all other criteria require arguments. */
3102         if (i == argc - 1) {
3103             send_message(user, bot, "MSG_MISSING_PARAMS", argv[i]);
3104             goto fail;
3105         }
3106         if (irccasecmp(argv[i], "mask") == 0) {
3107             if (!is_ircmask(argv[++i])) {
3108                 send_message(user, bot, "OSMSG_INVALID_IRCMASK", argv[i]);
3109                 goto fail;
3110             }
3111             if (!split_ircmask(argv[i],
3112                                &discrim->mask_nick,
3113                                &discrim->mask_ident,
3114                                &discrim->mask_host)) {
3115                 send_message(user, bot, "OSMSG_INVALID_IRCMASK", argv[i]);
3116                 goto fail;
3117             }
3118         } else if (irccasecmp(argv[i], "nick") == 0) {
3119             discrim->mask_nick = argv[++i];
3120         } else if (irccasecmp(argv[i], "ident") == 0) {
3121             discrim->mask_ident = argv[++i];
3122         } else if (irccasecmp(argv[i], "host") == 0) {
3123             discrim->mask_host = argv[++i];
3124         } else if (irccasecmp(argv[i], "info") == 0) {
3125             discrim->mask_info = argv[++i];
3126         } else if (irccasecmp(argv[i], "server") == 0) {
3127             discrim->server = argv[++i];
3128         } else if (irccasecmp(argv[i], "ip") == 0) {
3129             j = parse_ipmask(argv[++i], &discrim->ip_addr, &discrim->ip_mask);
3130             if (!j) discrim->ip_mask_str = argv[i];
3131     } else if (irccasecmp(argv[i], "account") == 0) {
3132         if (discrim->authed == 0) {
3133             send_message(user, bot, "OSMSG_ACCOUNTMASK_AUTHED");
3134             goto fail;
3135         }
3136         discrim->accountmask = argv[++i];
3137         discrim->authed = 1;
3138     } else if (irccasecmp(argv[i], "authed") == 0) {
3139         i++; /* true_string and false_string are macros! */
3140         if (true_string(argv[i])) {
3141             discrim->authed = 1;
3142         } else if (false_string(argv[i])) {
3143             if (discrim->accountmask) {
3144                 send_message(user, bot, "OSMSG_ACCOUNTMASK_AUTHED");
3145                 goto fail;
3146             }
3147             discrim->authed = 0;
3148         } else {
3149             send_message(user, bot, "MSG_INVALID_BINARY", argv[i]);
3150             goto fail;
3151         }
3152     } else if (irccasecmp(argv[i], "info_space") == 0) {
3153         /* XXX: A hack because you can't check explicitly for a space through
3154          * any other means */
3155         i++;
3156         if (true_string(argv[i])) {
3157             discrim->info_space = 1;
3158         } else if (false_string(argv[i])) {
3159             discrim->info_space = 0;
3160         } else {
3161             send_message(user, bot, "MSG_INVALID_BINARY", argv[i]);
3162             goto fail;
3163         }
3164     } else if (irccasecmp(argv[i], "duration") == 0) {
3165         discrim->duration = ParseInterval(argv[++i]);
3166         } else if (irccasecmp(argv[i], "channel") == 0) {
3167             for (j=0, i++; ; j++) {
3168                 switch (argv[i][j]) {
3169                 case '#':
3170                     goto find_channel;
3171                 case '-':
3172                     discrim->chan_no_modes  |= MODE_CHANOP | MODE_HALFOP | MODE_VOICE;
3173                     break;
3174                 case '+':
3175                     discrim->chan_req_modes |= MODE_VOICE;
3176                     discrim->chan_no_modes  |= MODE_CHANOP;
3177                     discrim->chan_no_modes  |= MODE_HALFOP;
3178                     break;
3179                 case '%':
3180                     discrim->chan_req_modes |= MODE_HALFOP;
3181                     discrim->chan_no_modes  |= MODE_CHANOP;
3182                     discrim->chan_no_modes  |= MODE_VOICE;
3183                     break;
3184                 case '@':
3185                     discrim->chan_req_modes |= MODE_CHANOP;
3186                     break;
3187                 case '\0':
3188                     send_message(user, bot, "MSG_NOT_CHANNEL_NAME");
3189                     goto fail;
3190                 }
3191             }
3192           find_channel:
3193             discrim->chan_no_modes &= ~discrim->chan_req_modes;
3194             if (!(discrim->channel = GetChannel(argv[i]+j))) {
3195                 /* secretly "allow_channel" now means "if a channel name is
3196                  * specified, require that it currently exist" */
3197                 if (allow_channel) {
3198                     send_message(user, bot, "MSG_CHANNEL_UNKNOWN", argv[i]);
3199                     goto fail;
3200                 } else {
3201                     discrim->channel = AddChannel(argv[i]+j, now, NULL, NULL, NULL);
3202                 }
3203             }
3204             LockChannel(discrim->channel);
3205         } else if (irccasecmp(argv[i], "numchannels") == 0) {
3206             discrim->min_channels = discrim->max_channels = strtoul(argv[++i], NULL, 10);
3207         } else if (irccasecmp(argv[i], "limit") == 0) {
3208             discrim->limit = strtoul(argv[++i], NULL, 10);
3209         } else if (irccasecmp(argv[i], "reason") == 0) {
3210             discrim->reason = strdup(unsplit_string(argv+i+1, argc-i-1, NULL));
3211             i = argc;
3212         } else if (irccasecmp(argv[i], "last") == 0) {
3213             discrim->min_ts = now - ParseInterval(argv[++i]);
3214         } else if ((irccasecmp(argv[i], "linked") == 0)
3215                    || (irccasecmp(argv[i], "nickage") == 0)) {
3216             const char *cmp = argv[++i];
3217             if (cmp[0] == '<') {
3218                 if (cmp[1] == '=') {
3219                     discrim->min_ts = now - ParseInterval(cmp+2);
3220                 } else {
3221                     discrim->min_ts = now - (ParseInterval(cmp+1) - 1);
3222                 }
3223             } else if (cmp[0] == '>') {
3224                 if (cmp[1] == '=') {
3225                     discrim->max_ts = now - ParseInterval(cmp+2);
3226                 } else {
3227                     discrim->max_ts = now - (ParseInterval(cmp+1) - 1);
3228                 }
3229             } else {
3230                 discrim->min_ts = now - ParseInterval(cmp+2);
3231             }
3232         } else if (irccasecmp(argv[i], "access") == 0) {
3233             const char *cmp = argv[++i];
3234             if (cmp[0] == '<') {
3235                 if (discrim->min_level == 0) discrim->min_level = 1;
3236                 if (cmp[1] == '=') {
3237                     discrim->max_level = strtoul(cmp+2, NULL, 0);
3238                 } else {
3239                     discrim->max_level = strtoul(cmp+1, NULL, 0) - 1;
3240                 }
3241             } else if (cmp[0] == '=') {
3242                 discrim->min_level = discrim->max_level = strtoul(cmp+1, NULL, 0);
3243             } else if (cmp[0] == '>') {
3244                 if (cmp[1] == '=') {
3245                     discrim->min_level = strtoul(cmp+2, NULL, 0);
3246                 } else {
3247                     discrim->min_level = strtoul(cmp+1, NULL, 0) + 1;
3248                 }
3249             } else {
3250                 discrim->min_level = strtoul(cmp+2, NULL, 0);
3251             }
3252         } else if ((irccasecmp(argv[i], "abuse") == 0)
3253                    && (irccasecmp(argv[++i], "opers") == 0)) {
3254             discrim->match_opers = 1;
3255         } else if (irccasecmp(argv[i], "depth") == 0) {
3256             discrim->domain_depth = strtoul(argv[++i], NULL, 0);
3257         } else if (irccasecmp(argv[i], "clones") == 0) {
3258             discrim->min_clones = strtoul(argv[++i], NULL, 0);
3259         } else {
3260             send_message(user, bot, "MSG_INVALID_CRITERIA", argv[i]);
3261             goto fail;
3262         }
3263     }
3264
3265     if (discrim->mask_nick && !strcmp(discrim->mask_nick, "*")) {
3266         discrim->mask_nick = 0;
3267     }
3268     if (discrim->mask_ident && !strcmp(discrim->mask_ident, "*")) {
3269         discrim->mask_ident = 0;
3270     }
3271     if (discrim->mask_info && !strcmp(discrim->mask_info, "*")) {
3272         discrim->mask_info = 0;
3273     }
3274     if (discrim->mask_host && !discrim->mask_host[strspn(discrim->mask_host, "*.")]) {
3275         discrim->mask_host = 0;
3276     }
3277     return discrim;
3278   fail:
3279     free(discrim);
3280     return NULL;
3281 }
3282
3283 static int
3284 discrim_match(discrim_t discrim, struct userNode *user)
3285 {
3286     unsigned int access;
3287
3288     if ((user->timestamp < discrim->min_ts)
3289         || (user->timestamp > discrim->max_ts)
3290         || (user->channels.used < discrim->min_channels)
3291         || (user->channels.used > discrim->max_channels)
3292         || (discrim->authed == 0 && user->handle_info)
3293         || (discrim->authed == 1 && !user->handle_info)
3294         || (discrim->info_space == 0 && user->info[0] == ' ')
3295         || (discrim->info_space == 1 && user->info[0] != ' ')
3296         || (discrim->mask_nick && !match_ircglob(user->nick, discrim->mask_nick))
3297         || (discrim->mask_ident && !match_ircglob(user->ident, discrim->mask_ident))
3298         || (discrim->mask_host && !match_ircglob(user->hostname, discrim->mask_host))
3299         || (discrim->mask_info && !match_ircglob(user->info, discrim->mask_info))
3300         || (discrim->server && !match_ircglob(user->uplink->name, discrim->server))
3301         || (discrim->accountmask && (!user->handle_info || !match_ircglob(user->handle_info->handle, discrim->accountmask)))
3302         || (discrim->ip_mask && !MATCH_IPMASK(user->ip, discrim->ip_addr, discrim->ip_mask))) {
3303         return 0;
3304     }
3305     if (discrim->channel && !GetUserMode(discrim->channel, user)) return 0;
3306     access = user->handle_info ? user->handle_info->opserv_level : 0;
3307     if ((access < discrim->min_level)
3308         || (access > discrim->max_level)) {
3309         return 0;
3310     }
3311     if (discrim->ip_mask_str) {
3312         if (!match_ircglob(inet_ntoa(user->ip), discrim->ip_mask_str)) return 0;
3313     }
3314     if (discrim->min_clones > 1) {
3315         struct opserv_hostinfo *ohi = dict_find(opserv_hostinfo_dict, inet_ntoa(user->ip), NULL);
3316         if (!ohi || (ohi->clients.used < discrim->min_clones)) return 0;
3317     }
3318     return 1;
3319 }
3320
3321 static unsigned int
3322 opserv_discrim_search(discrim_t discrim, discrim_search_func dsf, void *data)
3323 {
3324     unsigned int nn, count;
3325     struct userList matched;
3326
3327     userList_init(&matched);
3328     /* Try most optimized search methods first */
3329     if (discrim->channel) {
3330         for (nn=0;
3331                 (nn < discrim->channel->members.used)
3332                 && (matched.used < discrim->limit);
3333                 nn++) {
3334             struct modeNode *mn = discrim->channel->members.list[nn];
3335             if (((mn->modes & discrim->chan_req_modes) != discrim->chan_req_modes)
3336                     || ((mn->modes & discrim->chan_no_modes) != 0)) {
3337                 continue;
3338             }
3339             if (discrim_match(discrim, mn->user)) {
3340                 userList_append(&matched, mn->user);
3341             }
3342         }
3343     } else if (discrim->ip_mask_str && !discrim->ip_mask_str[strcspn(discrim->ip_mask_str, "?*")]) {
3344         struct opserv_hostinfo *ohi = dict_find(opserv_hostinfo_dict, discrim->ip_mask_str, NULL);
3345         if (!ohi) {
3346             userList_clean(&matched);
3347             return 0;
3348         }
3349         for (nn=0; (nn<ohi->clients.used) && (matched.used < discrim->limit); nn++) {
3350             if (discrim_match(discrim, ohi->clients.list[nn])) {
3351                 userList_append(&matched, ohi->clients.list[nn]);
3352             }
3353         }
3354     } else {
3355         dict_iterator_t it;
3356         for (it=dict_first(clients); it && (matched.used < discrim->limit); it=iter_next(it)) {
3357             if (discrim_match(discrim, iter_data(it))) {
3358                 userList_append(&matched, iter_data(it));
3359             }
3360         }
3361     }
3362
3363     if (!matched.used) {
3364         userList_clean(&matched);
3365         return 0;
3366     }
3367
3368     if (discrim->option_log) {
3369         log_module(OS_LOG, LOG_INFO, "Logging matches for search:");
3370     }
3371     for (nn=0; nn<matched.used; nn++) {
3372         struct userNode *user = matched.list[nn];
3373         if (discrim->option_log) {
3374             log_module(OS_LOG, LOG_INFO, "  %s!%s@%s", user->nick, user->ident, user->hostname);
3375         }
3376         if (dsf(user, data)) {
3377             /* If a search function returns true, it ran into a
3378                problem. Stop going through the list. */
3379             break;
3380         }
3381     }
3382     if (discrim->option_log) {
3383         log_module(OS_LOG, LOG_INFO, "End of matching users.");
3384     }
3385     count = matched.used;
3386     userList_clean(&matched);
3387     return count;
3388 }
3389
3390 static int
3391 trace_print_func(struct userNode *match, void *extra)
3392 {
3393     struct discrim_and_source *das = extra;
3394     if (match->handle_info) {
3395         send_message_type(4, das->source, das->destination, "%-15s\002 \002%10s\002@\002%s (%s)", match->nick, match->ident, match->hostname, match->handle_info->handle);
3396     } else {
3397         send_message_type(4, das->source, das->destination, "%-15s\002 \002%10s\002@\002%s", match->nick, match->ident, match->hostname);
3398     }
3399     return 0;
3400 }
3401
3402 static int
3403 trace_count_func(UNUSED_ARG(struct userNode *match), UNUSED_ARG(void *extra))
3404 {
3405     return 0;
3406 }
3407
3408 static int
3409 is_oper_victim(struct userNode *user, struct userNode *target, int match_opers)
3410 {
3411     return !(IsService(target)
3412              || (!match_opers && IsOper(target))
3413              || (target->handle_info
3414                  && target->handle_info->opserv_level > user->handle_info->opserv_level));
3415 }
3416
3417 static int
3418 trace_gline_func(struct userNode *match, void *extra)
3419 {
3420     struct discrim_and_source *das = extra;
3421
3422     if (is_oper_victim(das->source, match, das->discrim->match_opers)) {
3423         opserv_block(match, das->source->handle_info->handle, das->discrim->reason, das->discrim->duration);
3424     }
3425
3426     return 0;
3427 }
3428
3429 static int
3430 trace_kill_func(struct userNode *match, void *extra)
3431 {
3432     struct discrim_and_source *das = extra;
3433
3434     if (is_oper_victim(das->source, match, das->discrim->match_opers)) {
3435         char *reason;
3436         if (das->discrim->reason) {
3437             reason = das->discrim->reason;
3438         } else {
3439             reason = alloca(strlen(OSMSG_KILL_REQUESTED)+strlen(das->source->nick)+1);
3440             sprintf(reason, OSMSG_KILL_REQUESTED, das->source->nick);
3441         }
3442         DelUser(match, opserv, 1, reason);
3443     }
3444
3445     return 0;
3446 }
3447
3448 static int
3449 is_gagged(char *mask)
3450 {
3451     struct gag_entry *gag;
3452
3453     for (gag = gagList; gag; gag = gag->next) {
3454         if (match_ircglobs(gag->mask, mask)) return 1;
3455     }
3456     return 0;
3457 }
3458
3459 static int
3460 trace_gag_func(struct userNode *match, void *extra)
3461 {
3462     struct discrim_and_source *das = extra;
3463
3464     if (is_oper_victim(das->source, match, das->discrim->match_opers)) {
3465         char *reason, *mask;
3466         int masksize;
3467         if (das->discrim->reason) {
3468             reason = das->discrim->reason;
3469         } else {
3470             reason = alloca(strlen(OSMSG_GAG_REQUESTED)+strlen(das->source->nick)+1);
3471             sprintf(reason, OSMSG_GAG_REQUESTED, das->source->nick);
3472         }
3473         masksize = 5+strlen(match->hostname);
3474         mask = alloca(masksize);
3475         snprintf(mask, masksize, "*!*@%s", match->hostname);
3476         if (!is_gagged(mask)) {
3477             gag_create(mask, das->source->handle_info->handle, reason,
3478                        das->discrim->duration ? (now + das->discrim->duration) : 0);
3479         }
3480     }
3481
3482     return 0;
3483 }
3484
3485 static int
3486 trace_domains_func(struct userNode *match, void *extra)
3487 {
3488     struct discrim_and_source *das = extra;
3489     unsigned long *count;
3490     unsigned int depth;
3491     char *hostname;
3492
3493     if (!match->hostname[strspn(match->hostname, "0123456789.")]) {
3494         char ipmask[16];
3495         unsigned long matchip = ntohl(match->ip.s_addr);
3496         /* raw IP address.. use up to first three octets of IP */
3497         switch (das->discrim->domain_depth) {
3498         default:
3499             snprintf(ipmask, sizeof(ipmask), "%lu.%lu.%lu.*", (matchip>>24)&255, (matchip>>16)&255, (matchip>>8)&255);
3500             break;
3501         case 2:
3502             snprintf(ipmask, sizeof(ipmask), "%lu.%lu.*", (matchip>>24)&255, (matchip>>16)&255);
3503             break;
3504         case 1:
3505             snprintf(ipmask, sizeof(ipmask), "%lu.*", (matchip>>24)&255);
3506             break;
3507         }
3508         hostname = ipmask;
3509     } else {
3510         hostname = match->hostname + strlen(match->hostname);
3511         for (depth=das->discrim->domain_depth;
3512              depth && (hostname > match->hostname);
3513              depth--) {
3514             hostname--;
3515             while ((hostname > match->hostname) && (*hostname != '.')) hostname--;
3516         }
3517         if (*hostname == '.') hostname++; /* advance past last dot we saw */
3518     }
3519     if (!(count = dict_find(das->dict, hostname, NULL))) {
3520         count = calloc(1, sizeof(*count));
3521         dict_insert(das->dict, strdup(hostname), count);
3522     }
3523     (*count)++;
3524     return 0;
3525 }
3526
3527 static int
3528 opserv_show_hostinfo(const char *key, void *data, void *extra)
3529 {
3530     unsigned long *count = data;
3531     struct discrim_and_source *das = extra;
3532
3533     send_message_type(4, das->source, das->destination, "%s %lu", key, *count);
3534     return !--das->disp_limit;
3535 }
3536
3537 static MODCMD_FUNC(cmd_trace)
3538 {
3539     struct discrim_and_source das;
3540     discrim_search_func action;
3541     unsigned int matches;
3542     struct svccmd *subcmd;
3543     char buf[MAXLEN];
3544
3545     sprintf(buf, "trace %s", argv[1]);
3546     if (!(subcmd = dict_find(opserv_service->commands, buf, NULL))) {
3547         reply("OSMSG_BAD_ACTION", argv[1]);
3548         return 0;
3549     }
3550     if (!svccmd_can_invoke(user, opserv_service->bot, subcmd, channel, SVCCMD_NOISY))
3551         return 0;
3552     if (!irccasecmp(argv[1], "print"))
3553         action = trace_print_func;
3554     else if (!irccasecmp(argv[1], "count"))
3555         action = trace_count_func;
3556     else if (!irccasecmp(argv[1], "domains"))
3557         action = trace_domains_func;
3558     else if (!irccasecmp(argv[1], "gline"))
3559         action = trace_gline_func;
3560     else if (!irccasecmp(argv[1], "kill"))
3561         action = trace_kill_func;
3562     else if (!irccasecmp(argv[1], "gag"))
3563         action = trace_gag_func;
3564     else {
3565         reply("OSMSG_BAD_ACTION", argv[1]);
3566         return 0;
3567     }
3568
3569     if (user->handle_info->opserv_level < subcmd->min_opserv_level) {
3570         reply("OSMSG_LEVEL_TOO_LOW");
3571         return 0;
3572     }
3573
3574     das.dict = NULL;
3575     das.source = user;
3576     das.destination = cmd->parent->bot;
3577     das.discrim = opserv_discrim_create(user, cmd->parent->bot, argc-2, argv+2, 1);
3578     if (!das.discrim)
3579         return 0;
3580
3581     if (action == trace_print_func)
3582     {
3583         reply("OSMSG_USER_SEARCH_RESULTS");
3584         reply("OSMSG_USER_SEARCH_BAR");
3585         reply("OSMSG_USER_SEARCH_HEADER");
3586         reply("OSMSG_USER_SEARCH_BAR");
3587     }
3588     else if (action == trace_count_func)
3589         das.discrim->limit = INT_MAX;
3590     else if ((action == trace_gline_func) && !das.discrim->duration)
3591         das.discrim->duration = opserv_conf.block_gline_duration;
3592     else if (action == trace_domains_func) {
3593         das.dict = dict_new();
3594         dict_set_free_data(das.dict, free);
3595         dict_set_free_keys(das.dict, free);
3596         das.disp_limit = das.discrim->limit;
3597         das.discrim->limit = INT_MAX;
3598     }
3599     matches = opserv_discrim_search(das.discrim, action, &das);
3600
3601     if (action == trace_domains_func)
3602         dict_foreach(das.dict, opserv_show_hostinfo, &das);
3603
3604     if (matches)
3605     {
3606         if(action == trace_print_func)
3607             reply("OSMSG_USER_SEARCH_COUNT_BAR", matches);
3608         else
3609             reply("OSMSG_USER_SEARCH_COUNT", matches);
3610     }
3611     else
3612             reply("MSG_NO_MATCHES");
3613
3614     if (das.discrim->channel)
3615         UnlockChannel(das.discrim->channel);
3616     free(das.discrim->reason);
3617     free(das.discrim);
3618     dict_delete(das.dict);
3619     return 1;
3620 }
3621
3622 typedef void (*cdiscrim_search_func)(struct chanNode *match, void *data, struct userNode *bot);
3623
3624 typedef struct channel_discrim {
3625     char *name, *topic;
3626
3627     unsigned int min_users, max_users;
3628     time_t min_ts, max_ts;
3629     unsigned int limit;
3630 } *cdiscrim_t;
3631
3632 static cdiscrim_t opserv_cdiscrim_create(struct userNode *user, struct userNode *bot, unsigned int argc, char *argv[]);
3633 static unsigned int opserv_cdiscrim_search(cdiscrim_t discrim, cdiscrim_search_func dsf, void *data, struct userNode *bot);
3634
3635 static time_t
3636 smart_parse_time(const char *str) {
3637     /* If an interval-style string is given, treat as time before now.
3638      * If it's all digits, treat directly as a Unix timestamp. */
3639     return str[strspn(str, "0123456789")] ? (time_t)(now - ParseInterval(str)) : (time_t)atoi(str);
3640 }
3641
3642 static cdiscrim_t
3643 opserv_cdiscrim_create(struct userNode *user, struct userNode *bot, unsigned int argc, char *argv[])
3644 {
3645     cdiscrim_t discrim;
3646     unsigned int i;
3647
3648     discrim = calloc(1, sizeof(*discrim));
3649     discrim->limit = 25;
3650
3651     for (i = 0; i < argc; i++) {
3652         /* Assume all criteria require arguments. */
3653         if (i == (argc - 1)) {
3654             send_message(user, bot, "MSG_MISSING_PARAMS", argv[i]);
3655             return NULL;
3656         }
3657
3658         if (!irccasecmp(argv[i], "name"))
3659             discrim->name = argv[++i];
3660         else if (!irccasecmp(argv[i], "topic"))
3661             discrim->topic = argv[++i];
3662         else if (!irccasecmp(argv[i], "users")) {
3663             const char *cmp = argv[++i];
3664             if (cmp[0] == '<') {
3665                 if (cmp[1] == '=')
3666                     discrim->max_users = strtoul(cmp+2, NULL, 0);
3667                 else
3668                     discrim->max_users = strtoul(cmp+1, NULL, 0) - 1;
3669             } else if (cmp[0] == '=') {
3670                 discrim->min_users = discrim->max_users = strtoul(cmp+1, NULL, 0);
3671             } else if (cmp[0] == '>') {
3672                 if (cmp[1] == '=')
3673                     discrim->min_users = strtoul(cmp+2, NULL, 0);
3674                 else
3675                     discrim->min_users = strtoul(cmp+1, NULL, 0) + 1;
3676             } else {
3677                 discrim->min_users = strtoul(cmp+2, NULL, 0);
3678             }
3679         } else if (!irccasecmp(argv[i], "timestamp")) {
3680             const char *cmp = argv[++i];
3681             if (cmp[0] == '<') {
3682                 if (cmp[1] == '=')
3683                     discrim->max_ts = smart_parse_time(cmp+2);
3684                 else
3685                     discrim->max_ts = smart_parse_time(cmp+1)-1;
3686             } else if (cmp[0] == '=') {
3687                 discrim->min_ts = discrim->max_ts = smart_parse_time(cmp+1);
3688             } else if (cmp[0] == '>') {
3689                 if (cmp[1] == '=')
3690                     discrim->min_ts = smart_parse_time(cmp+2);
3691                 else
3692                     discrim->min_ts = smart_parse_time(cmp+1)+1;
3693             } else {
3694                 discrim->min_ts = smart_parse_time(cmp);
3695             }
3696         } else if (!irccasecmp(argv[i], "limit")) {
3697             discrim->limit = strtoul(argv[++i], NULL, 10);
3698         } else {
3699             send_message(user, bot, "MSG_INVALID_CRITERIA", argv[i]);
3700             goto fail;
3701         }
3702     }
3703
3704     if (discrim->name && !strcmp(discrim->name, "*"))
3705         discrim->name = 0;
3706     if (discrim->topic && !strcmp(discrim->topic, "*"))
3707         discrim->topic = 0;
3708
3709     return discrim;
3710   fail:
3711     free(discrim);
3712     return NULL;
3713 }
3714
3715 static int
3716 cdiscrim_match(cdiscrim_t discrim, struct chanNode *chan)
3717 {
3718     if ((discrim->name && !match_ircglob(chan->name, discrim->name)) ||
3719         (discrim->topic && !match_ircglob(chan->topic, discrim->topic)) ||
3720         (discrim->min_users && chan->members.used < discrim->min_users) ||
3721         (discrim->max_users && chan->members.used > discrim->max_users) ||
3722         (discrim->min_ts && chan->timestamp < discrim->min_ts) ||
3723             (discrim->max_ts && chan->timestamp > discrim->max_ts)) {
3724         return 0;
3725     }
3726     return 1;
3727 }
3728
3729 static unsigned int opserv_cdiscrim_search(cdiscrim_t discrim, cdiscrim_search_func dsf, void *data, struct userNode *bot)
3730 {
3731     unsigned int count = 0;
3732     dict_iterator_t it, next;
3733
3734     for (it = dict_first(channels); it && count < discrim->limit ; it = next) {
3735         struct chanNode *chan = iter_data(it);
3736
3737         /* Hold on to the next channel in case we decide to
3738            add actions that destructively modify the channel. */
3739         next = iter_next(it);
3740         if ((chan->members.used > 0) && cdiscrim_match(discrim, chan)) {
3741             dsf(chan, data, bot);
3742             count++;
3743         }
3744     }
3745
3746     return count;
3747 }
3748
3749 void channel_count(UNUSED_ARG(struct chanNode *channel), UNUSED_ARG(void *data), UNUSED_ARG(struct userNode *bot))
3750 {
3751 }
3752
3753 void channel_print(struct chanNode *channel, void *data, struct userNode *bot)
3754 {
3755     char modes[MAXLEN];
3756     irc_make_chanmode(channel, modes);
3757     send_message(data, bot, "OSMSG_CSEARCH_CHANNEL_INFO", channel->name, channel->members.used, modes, channel->topic);
3758 }
3759
3760 static MODCMD_FUNC(cmd_csearch)
3761 {
3762     cdiscrim_t discrim;
3763     unsigned int matches;
3764     cdiscrim_search_func action;
3765     struct svccmd *subcmd;
3766     char buf[MAXLEN];
3767
3768     if (!irccasecmp(argv[1], "count"))
3769         action = channel_count;
3770     else if (!irccasecmp(argv[1], "print"))
3771         action = channel_print;
3772     else {
3773         reply("OSMSG_BAD_ACTION", argv[1]);
3774         return 0;
3775     }
3776
3777     sprintf(buf, "%s %s", argv[0], argv[0]);
3778     if ((subcmd = dict_find(opserv_service->commands, buf, NULL))
3779         && !svccmd_can_invoke(user, opserv_service->bot, subcmd, channel, SVCCMD_NOISY)) {
3780         return 0;
3781     }
3782
3783     discrim = opserv_cdiscrim_create(user, cmd->parent->bot, argc - 2, argv + 2);
3784     if (!discrim)
3785         return 0;
3786
3787     if (action == channel_print)
3788         reply("OSMSG_CHANNEL_SEARCH_RESULTS");
3789     else if (action == channel_count)
3790         discrim->limit = INT_MAX;
3791
3792     matches = opserv_cdiscrim_search(discrim, action, user, cmd->parent->bot);
3793
3794     if (matches)
3795         reply("MSG_MATCH_COUNT", matches);
3796     else
3797         reply("MSG_NO_MATCHES");
3798
3799     free(discrim);
3800     return 1;
3801 }
3802
3803 static MODCMD_FUNC(cmd_gsync)
3804 {
3805     struct server *src;
3806     if (argc > 1) {
3807         src = GetServerH(argv[1]);
3808         if (!src) {
3809             reply("MSG_SERVER_UNKNOWN", argv[1]);
3810             return 0;
3811         }
3812     } else {
3813         src = self->uplink;
3814     }
3815     irc_stats(cmd->parent->bot, src, 'G');
3816     reply("OSMSG_GSYNC_RUNNING", src->name);
3817     return 1;
3818 }
3819
3820 struct gline_extra {
3821     struct userNode *user;
3822     struct string_list *glines;
3823     struct userNode *bot;
3824 };
3825
3826 static void
3827 gtrace_print_func(struct gline *gline, void *extra)
3828 {
3829     struct gline_extra *xtra = extra;
3830     char *when_text, set_text[20];
3831     strftime(set_text, sizeof(set_text), "%Y-%m-%d", localtime(&gline->issued));
3832     when_text = asctime(localtime(&gline->expires));
3833     when_text[strlen(when_text)-1] = 0; /* strip lame \n */
3834     send_message(xtra->user, xtra->bot, "OSMSG_GTRACE_FORMAT", gline->target, set_text, gline->issuer, when_text, gline->reason);
3835 }
3836
3837 static void
3838 gtrace_count_func(UNUSED_ARG(struct gline *gline), UNUSED_ARG(void *extra))
3839 {
3840 }
3841
3842 static void
3843 gtrace_ungline_func(struct gline *gline, void *extra)
3844 {
3845     struct gline_extra *xtra = extra;
3846     string_list_append(xtra->glines, strdup(gline->target));
3847 }
3848
3849 static MODCMD_FUNC(cmd_gtrace)
3850 {
3851     struct gline_discrim *discrim;
3852     gline_search_func action;
3853     unsigned int matches, nn;
3854     struct gline_extra extra;
3855     struct svccmd *subcmd;
3856     char buf[MAXLEN];
3857
3858     if (!irccasecmp(argv[1], "print"))
3859         action = gtrace_print_func;
3860     else if (!irccasecmp(argv[1], "count"))
3861         action = gtrace_count_func;
3862     else if (!irccasecmp(argv[1], "ungline"))
3863         action = gtrace_ungline_func;
3864     else {
3865         reply("OSMSG_BAD_ACTION", argv[1]);
3866         return 0;
3867     }
3868     sprintf(buf, "%s %s", argv[0], argv[0]);
3869     if ((subcmd = dict_find(opserv_service->commands, buf, NULL))
3870         && !svccmd_can_invoke(user, opserv_service->bot, subcmd, channel, SVCCMD_NOISY)) {
3871         return 0;
3872     }
3873
3874     discrim = gline_discrim_create(user, cmd->parent->bot, argc-2, argv+2);
3875     if (!discrim)
3876         return 0;
3877
3878     if (action == gtrace_print_func)
3879         reply("OSMSG_GLINE_SEARCH_RESULTS");
3880     else if (action == gtrace_count_func)
3881         discrim->limit = INT_MAX;
3882
3883     extra.user = user;
3884     extra.glines = alloc_string_list(4);
3885     extra.bot = cmd->parent->bot;
3886     matches = gline_discrim_search(discrim, action, &extra);
3887
3888     if (action == gtrace_ungline_func)
3889         for (nn=0; nn<extra.glines->used; nn++)
3890             gline_remove(extra.glines->list[nn], 1);
3891     free_string_list(extra.glines);
3892
3893     if (matches)
3894         reply("MSG_MATCH_COUNT", matches);
3895     else
3896         reply("MSG_NO_MATCHES");
3897     free(discrim->alt_target_mask);
3898     free(discrim);
3899     return 1;
3900 }
3901
3902 static int
3903 alert_check_user(const char *key, void *data, void *extra)
3904 {
3905     struct opserv_user_alert *alert = data;
3906     struct userNode *user = extra;
3907
3908     if (!discrim_match(alert->discrim, user))
3909         return 0;
3910
3911     if ((alert->reaction != REACT_NOTICE)
3912         && IsOper(user)
3913         && !alert->discrim->match_opers) {
3914         return 0;
3915     }
3916
3917     /* The user matches the alert criteria, so trigger the reaction. */
3918     if (alert->discrim->option_log)
3919         log_module(OS_LOG, LOG_INFO, "Alert %s triggered by user %s!%s@%s (%s).", key, user->nick, user->ident, user->hostname, alert->discrim->reason);
3920
3921     /* Return 1 to halt alert matching, such as when killing the user
3922        that triggered the alert. */
3923     switch (alert->reaction) {
3924     case REACT_KILL:
3925         DelUser(user, opserv, 1, alert->discrim->reason);
3926         return 1;
3927     case REACT_GLINE:
3928         opserv_block(user, alert->owner, alert->discrim->reason, alert->discrim->duration);
3929         return 1;
3930     default:
3931         log_module(OS_LOG, LOG_ERROR, "Invalid reaction type %d for alert %s.", alert->reaction, key);
3932         /* fall through to REACT_NOTICE case */
3933     case REACT_NOTICE:
3934         opserv_alert("Alert $b%s$b triggered by user $b%s$b!%s@%s (%s).", key, user->nick, user->ident, user->hostname, alert->discrim->reason);
3935         break;
3936     }
3937     return 0;
3938 }
3939
3940 static void
3941 opserv_alert_check_nick(struct userNode *user, UNUSED_ARG(const char *old_nick))
3942 {
3943     struct gag_entry *gag;
3944     dict_foreach(opserv_nick_based_alerts, alert_check_user, user);
3945     /* Gag them if appropriate (and only if). */
3946     user->modes &= ~FLAGS_GAGGED;
3947     for (gag = gagList; gag; gag = gag->next) {
3948         if (user_matches_glob(user, gag->mask, 1)) {
3949             gag_helper_func(user, NULL);
3950             break;
3951         }
3952     }
3953 }
3954
3955 static void
3956 opserv_staff_alert(struct userNode *user, UNUSED_ARG(struct handle_info *old_handle))
3957 {
3958     const char *type;
3959
3960     if (!opserv_conf.staff_auth_channel
3961         || user->uplink->burst
3962         || !user->handle_info)
3963         return;
3964     else if (user->handle_info->opserv_level)
3965         type = "OPER";
3966     else if (IsNetworkHelper(user))
3967         type = "NETWORK HELPER";
3968     else if (IsSupportHelper(user))
3969         type = "SUPPORT HELPER";
3970     else
3971         return;
3972
3973     if (user->ip.s_addr)
3974         send_channel_notice(opserv_conf.staff_auth_channel, opserv, IDENT_FORMAT" authed to %s account %s", IDENT_DATA(user), type, user->handle_info->handle);
3975     else
3976         send_channel_notice(opserv_conf.staff_auth_channel, opserv, "%s [%s@%s] authed to %s account %s", user->nick, user->ident, user->hostname, type, user->handle_info->handle);
3977 }
3978
3979 static MODCMD_FUNC(cmd_log)
3980 {
3981     struct logSearch *discrim;
3982     unsigned int matches;
3983     struct logReport report;
3984
3985     discrim = log_discrim_create(cmd->parent->bot, user, argc, argv);
3986     if (!discrim)
3987         return 0;
3988
3989     reply("OSMSG_LOG_SEARCH_RESULTS");
3990     report.reporter = opserv;
3991     report.user = user;
3992     matches = log_entry_search(discrim, log_report_entry, &report);
3993
3994     if (matches)
3995         reply("MSG_MATCH_COUNT", matches);
3996     else
3997         reply("MSG_NO_MATCHES");
3998
3999     free(discrim);
4000     return 1;
4001 }
4002
4003 static int
4004 gag_helper_func(struct userNode *match, UNUSED_ARG(void *extra))
4005 {
4006     if (IsOper(match) || IsLocal(match))
4007         return 0;
4008     match->modes |= FLAGS_GAGGED;
4009     return 0;
4010 }
4011
4012 static MODCMD_FUNC(cmd_gag)
4013 {
4014     struct gag_entry *gag;
4015     unsigned int gagged;
4016     unsigned long duration;
4017     char *reason;
4018
4019     reason = unsplit_string(argv + 3, argc - 3, NULL);
4020
4021     if (!is_ircmask(argv[1])) {
4022         reply("OSMSG_INVALID_IRCMASK", argv[1]);
4023         return 0;
4024     }
4025
4026     for (gag = gagList; gag; gag = gag->next)
4027         if (match_ircglobs(gag->mask, argv[1]))
4028             break;
4029
4030     if (gag) {
4031         reply("OSMSG_REDUNDANT_GAG", argv[1]);
4032         return 0;
4033     }
4034
4035     duration = ParseInterval(argv[2]);
4036     gagged = gag_create(argv[1], user->handle_info->handle, reason, (duration?now+duration:0));
4037
4038     if (gagged)
4039         reply("OSMSG_GAG_APPLIED", argv[1], gagged);
4040     else
4041         reply("OSMSG_GAG_ADDED", argv[1]);
4042     return 1;
4043 }
4044
4045 static int
4046 ungag_helper_func(struct userNode *match, UNUSED_ARG(void *extra))
4047 {
4048     match->modes &= ~FLAGS_GAGGED;
4049     return 0;
4050 }
4051
4052 static MODCMD_FUNC(cmd_ungag)
4053 {
4054     struct gag_entry *gag;
4055     unsigned int ungagged;
4056
4057     for (gag = gagList; gag; gag = gag->next)
4058         if (!strcmp(gag->mask, argv[1]))
4059             break;
4060
4061     if (!gag) {
4062         reply("OSMSG_GAG_NOT_FOUND", argv[1]);
4063         return 0;
4064     }
4065
4066     timeq_del(gag->expires, gag_expire, gag, 0);
4067     ungagged = gag_free(gag);
4068
4069     if (ungagged)
4070         reply("OSMSG_UNGAG_APPLIED", argv[1], ungagged);
4071     else
4072         reply("OSMSG_UNGAG_ADDED", argv[1]);
4073     return 1;
4074 }
4075
4076 static MODCMD_FUNC(cmd_addalert)
4077 {
4078     opserv_alert_reaction reaction;
4079     struct svccmd *subcmd;
4080     const char *name;
4081     char buf[MAXLEN];
4082
4083     name = argv[1];
4084     sprintf(buf, "addalert %s", argv[2]);
4085     if (!(subcmd = dict_find(opserv_service->commands, buf, NULL))) {
4086         reply("OSMSG_UNKNOWN_REACTION", argv[2]);
4087         return 0;
4088     }
4089     if (!irccasecmp(argv[2], "notice"))
4090         reaction = REACT_NOTICE;
4091     else if (!irccasecmp(argv[2], "kill"))
4092         reaction = REACT_KILL;
4093     else if (!irccasecmp(argv[2], "gline"))
4094         reaction = REACT_GLINE;
4095     else {
4096         reply("OSMSG_UNKNOWN_REACTION", argv[2]);
4097         return 0;
4098     }
4099     if (!svccmd_can_invoke(user, opserv_service->bot, subcmd, channel, SVCCMD_NOISY)
4100         || !opserv_add_user_alert(user, name, reaction, unsplit_string(argv + 3, argc - 3, NULL)))
4101         return 0;
4102     reply("OSMSG_ADDED_ALERT", name);
4103     return 1;
4104 }
4105
4106 static MODCMD_FUNC(cmd_delalert)
4107 {
4108     unsigned int i;
4109     for (i=1; i<argc; i++) {
4110         dict_remove(opserv_nick_based_alerts, argv[i]);
4111         dict_remove(opserv_channel_alerts, argv[i]);
4112         if (dict_remove(opserv_user_alerts, argv[i]))
4113             reply("OSMSG_REMOVED_ALERT", argv[i]);
4114         else
4115             reply("OSMSG_NO_SUCH_ALERT", argv[i]);
4116     }
4117     return 1;
4118 }
4119
4120 static void
4121 opserv_conf_read(void)
4122 {
4123     struct record_data *rd;
4124     dict_t conf_node, child;
4125     const char *str, *str2;
4126     struct policer_params *pp;
4127     dict_iterator_t it;
4128
4129     rd = conf_get_node(OPSERV_CONF_NAME);
4130     if (!rd || rd->type != RECDB_OBJECT) {
4131         log_module(OS_LOG, LOG_ERROR, "config node `%s' is missing or has wrong type.", OPSERV_CONF_NAME);
4132         return;
4133     }
4134     conf_node = rd->d.object;
4135     str = database_get_data(conf_node, KEY_DEBUG_CHANNEL, RECDB_QSTRING);
4136     if (opserv && str) {
4137         str2 = database_get_data(conf_node, KEY_DEBUG_CHANNEL_MODES, RECDB_QSTRING);
4138         if (!str2)
4139             str2 = "+tinms";
4140         opserv_conf.debug_channel = AddChannel(str, now, str2, NULL, NULL);
4141         AddChannelUser(opserv, opserv_conf.debug_channel)->modes |= MODE_CHANOP;
4142     } else {
4143         opserv_conf.debug_channel = NULL;
4144     }
4145     str = database_get_data(conf_node, KEY_ALERT_CHANNEL, RECDB_QSTRING);
4146     if (opserv && str) {
4147         str2 = database_get_data(conf_node, KEY_ALERT_CHANNEL_MODES, RECDB_QSTRING);
4148         if (!str2)
4149             str2 = "+tns";
4150         opserv_conf.alert_channel = AddChannel(str, now, str2, NULL, NULL);
4151         AddChannelUser(opserv, opserv_conf.alert_channel)->modes |= MODE_CHANOP;
4152     } else {
4153         opserv_conf.alert_channel = NULL;
4154     }
4155     str = database_get_data(conf_node, KEY_STAFF_AUTH_CHANNEL, RECDB_QSTRING);
4156     if (opserv && str) {
4157         str2 = database_get_data(conf_node, KEY_STAFF_AUTH_CHANNEL_MODES, RECDB_QSTRING);
4158         if (!str2)
4159             str2 = "+timns";
4160         opserv_conf.staff_auth_channel = AddChannel(str, now, str2, NULL, NULL);
4161         AddChannelUser(opserv, opserv_conf.staff_auth_channel)->modes |= MODE_CHANOP;
4162     } else {
4163         opserv_conf.staff_auth_channel = NULL;
4164     }
4165
4166     str = database_get_data(conf_node, KEY_ADMIN_LEVEL, RECDB_QSTRING);
4167     opserv_conf.admin_level = str ? strtoul(str, NULL, 0): 800;
4168
4169     str = database_get_data(conf_node, KEY_UNTRUSTED_MAX, RECDB_QSTRING);
4170     opserv_conf.untrusted_max = str ? strtoul(str, NULL, 0) : 5;
4171     str = database_get_data(conf_node, KEY_PURGE_LOCK_DELAY, RECDB_QSTRING);
4172     opserv_conf.purge_lock_delay = str ? strtoul(str, NULL, 0) : 60;
4173     str = database_get_data(conf_node, KEY_JOIN_FLOOD_MODERATE, RECDB_QSTRING);
4174     opserv_conf.join_flood_moderate = str ? strtoul(str, NULL, 0) : 1;
4175     str = database_get_data(conf_node, KEY_JOIN_FLOOD_MODERATE_THRESH, RECDB_QSTRING);
4176     opserv_conf.join_flood_moderate_threshold = str ? strtoul(str, NULL, 0) : 50;
4177     str = database_get_data(conf_node, KEY_NICK, RECDB_QSTRING);
4178     if (opserv && str)
4179         NickChange(opserv, str, 0);
4180     str = database_get_data(conf_node, KEY_CLONE_GLINE_DURATION, RECDB_QSTRING);
4181     opserv_conf.clone_gline_duration = str ? ParseInterval(str) : 3600;
4182     str = database_get_data(conf_node, KEY_BLOCK_GLINE_DURATION, RECDB_QSTRING);
4183     opserv_conf.block_gline_duration = str ? ParseInterval(str) : 3600;
4184
4185     if (!opserv_conf.join_policer_params)
4186         opserv_conf.join_policer_params = policer_params_new();
4187     policer_params_set(opserv_conf.join_policer_params, "size", "20");
4188     policer_params_set(opserv_conf.join_policer_params, "drain-rate", "1");
4189     if ((child = database_get_data(conf_node, KEY_JOIN_POLICER, RECDB_OBJECT)))
4190         dict_foreach(child, set_policer_param, opserv_conf.join_policer_params);
4191
4192     for (it = dict_first(channels); it; it = iter_next(it)) {
4193         struct chanNode *cNode = iter_data(it);
4194         cNode->join_policer.params = opserv_conf.join_policer_params;
4195     }
4196
4197     if (opserv_conf.new_user_policer.params)
4198         pp = opserv_conf.new_user_policer.params;
4199     else
4200         pp = opserv_conf.new_user_policer.params = policer_params_new();
4201     policer_params_set(pp, "size", "200");
4202     policer_params_set(pp, "drain-rate", "3");
4203     if ((child = database_get_data(conf_node, KEY_NEW_USER_POLICER, RECDB_OBJECT)))
4204         dict_foreach(child, set_policer_param, pp);
4205 }
4206
4207 /* lame way to export opserv_conf value to nickserv.c ... */
4208 unsigned int
4209 opserv_conf_admin_level()
4210 {
4211     return(opserv_conf.admin_level);
4212 }
4213
4214 static void
4215 opserv_db_init(void) {
4216     /* set up opserv_trusted_hosts dict */
4217     dict_delete(opserv_trusted_hosts);
4218     opserv_trusted_hosts = dict_new();
4219     dict_set_free_data(opserv_trusted_hosts, free_trusted_host);
4220     /* set up opserv_chan_warn dict */
4221
4222 /* alert trace notice channel #x replaces warnings
4223     dict_delete(opserv_chan_warn);
4224     opserv_chan_warn = dict_new();
4225     dict_set_free_keys(opserv_chan_warn, free);
4226     dict_set_free_data(opserv_chan_warn, free);
4227 */
4228     /* set up opserv_user_alerts */
4229     dict_delete(opserv_channel_alerts);
4230     opserv_channel_alerts = dict_new();
4231     dict_delete(opserv_nick_based_alerts);
4232     opserv_nick_based_alerts = dict_new();
4233     dict_delete(opserv_user_alerts);
4234     opserv_user_alerts = dict_new();
4235     dict_set_free_keys(opserv_user_alerts, free);
4236     dict_set_free_data(opserv_user_alerts, opserv_free_user_alert);
4237     /* set up opserv_bad_words */
4238     free_string_list(opserv_bad_words);
4239     opserv_bad_words = alloc_string_list(4);
4240     /* and opserv_exempt_channels */
4241     dict_delete(opserv_exempt_channels);
4242     opserv_exempt_channels = dict_new();
4243     dict_set_free_keys(opserv_exempt_channels, free);
4244 }
4245
4246 static void
4247 opserv_db_cleanup(void)
4248 {
4249     unsigned int nn;
4250
4251 /*    dict_delete(opserv_chan_warn); */
4252     dict_delete(opserv_reserved_nick_dict);
4253     free_string_list(opserv_bad_words);
4254     dict_delete(opserv_exempt_channels);
4255     dict_delete(opserv_trusted_hosts);
4256     unreg_del_user_func(opserv_user_cleanup);
4257     dict_delete(opserv_hostinfo_dict);
4258     dict_delete(opserv_nick_based_alerts);
4259     dict_delete(opserv_channel_alerts);
4260     dict_delete(opserv_user_alerts);
4261     for (nn=0; nn<ArrayLength(level_strings); ++nn)
4262         free(level_strings[nn]);
4263     while (gagList)
4264         gag_free(gagList);
4265     policer_params_delete(opserv_conf.join_policer_params);
4266     policer_params_delete(opserv_conf.new_user_policer.params);
4267 }
4268
4269 void
4270 init_opserv(const char *nick)
4271 {
4272     OS_LOG = log_register_type("OpServ", "file:opserv.log");
4273     if (nick) {
4274         const char *modes = conf_get_data("services/opserv/modes", RECDB_QSTRING);
4275         opserv = AddService(nick, modes ? modes : NULL, "Oper Services", NULL);
4276     }
4277     conf_register_reload(opserv_conf_read);
4278
4279     memset(level_strings, 0, sizeof(level_strings));
4280     opserv_module = module_register("OpServ", OS_LOG, "opserv.help", opserv_help_expand);
4281     opserv_define_func("ACCESS", cmd_access, 0, 0, 0);
4282     opserv_define_func("ADDALERT", cmd_addalert, 800, 0, 4);
4283     opserv_define_func("ADDALERT NOTICE", NULL, 0, 0, 0);
4284     opserv_define_func("ADDALERT GLINE", NULL, 900, 0, 0);
4285     opserv_define_func("ADDALERT KILL", NULL, 900, 0, 0);
4286     opserv_define_func("ADDBAD", cmd_addbad, 800, 0, 2);
4287     opserv_define_func("ADDEXEMPT", cmd_addexempt, 800, 0, 2);
4288     opserv_define_func("ADDTRUST", cmd_addtrust, 800, 0, 5);
4289     opserv_define_func("BAN", cmd_ban, 100, 2, 2);
4290     opserv_define_func("BLOCK", cmd_block, 100, 0, 2);
4291     opserv_define_func("CHANINFO", cmd_chaninfo, 0, 3, 0);
4292     opserv_define_func("CLEARBANS", cmd_clearbans, 300, 2, 0);
4293     opserv_define_func("CLEARMODES", cmd_clearmodes, 400, 2, 0);
4294     opserv_define_func("CLONE", cmd_clone, 999, 0, 3);
4295     opserv_define_func("COLLIDE", cmd_collide, 800, 0, 5);
4296     opserv_define_func("CSEARCH", cmd_csearch, 100, 0, 3);
4297     opserv_define_func("CSEARCH COUNT", cmd_csearch, 0, 0, 0);
4298     opserv_define_func("CSEARCH PRINT", cmd_csearch, 0, 0, 0);
4299     opserv_define_func("DELALERT", cmd_delalert, 800, 0, 2);
4300     opserv_define_func("DELBAD", cmd_delbad, 800, 0, 2);
4301     opserv_define_func("DELEXEMPT", cmd_delexempt, 800, 0, 2);
4302     opserv_define_func("DELTRUST", cmd_deltrust, 800, 0, 2);
4303     opserv_define_func("DEOP", cmd_deop, 100, 2, 2);
4304     opserv_define_func("DEOPALL", cmd_deopall, 400, 2, 0);
4305     opserv_define_func("DEHOP", cmd_dehop, 100, 2, 2);
4306     opserv_define_func("DEHOPALL", cmd_dehopall, 400, 2, 0);
4307     opserv_define_func("DEVOICEALL", cmd_devoiceall, 300, 2, 0);
4308     opserv_define_func("DIE", cmd_die, 900, 0, 2);
4309     opserv_define_func("DUMP", cmd_dump, 999, 0, 2);
4310     opserv_define_func("EDITTRUST", cmd_edittrust, 800, 0, 5);
4311     opserv_define_func("GAG", cmd_gag, 600, 0, 4);
4312     opserv_define_func("GLINE", cmd_gline, 600, 0, 4);
4313     opserv_define_func("GSYNC", cmd_gsync, 600, 0, 0);
4314     opserv_define_func("GTRACE", cmd_gtrace, 100, 0, 3);
4315     opserv_define_func("GTRACE COUNT", NULL, 0, 0, 0);
4316     opserv_define_func("GTRACE PRINT", NULL, 0, 0, 0);
4317     opserv_define_func("INVITE", cmd_invite, 100, 2, 0);
4318     opserv_define_func("INVITEME", cmd_inviteme, 100, 0, 0);
4319     opserv_define_func("JOIN", cmd_join, 601, 0, 2);
4320     opserv_define_func("JUMP", cmd_jump, 900, 0, 2);
4321     opserv_define_func("JUPE", cmd_jupe, 900, 0, 4);
4322     opserv_define_func("KICK", cmd_kick, 100, 2, 2);
4323     opserv_define_func("KICKALL", cmd_kickall, 400, 2, 0);
4324     opserv_define_func("KICKBAN", cmd_kickban, 100, 2, 2);
4325     opserv_define_func("KICKBANALL", cmd_kickbanall, 450, 2, 0);
4326     opserv_define_func("LOG", cmd_log, 900, 0, 2);
4327     opserv_define_func("MODE", cmd_mode, 100, 2, 2);
4328     opserv_define_func("OP", cmd_op, 100, 2, 2);
4329     opserv_define_func("OPALL", cmd_opall, 400, 2, 0);
4330     opserv_define_func("HOP", cmd_hop, 100, 2, 2);
4331     opserv_define_func("HOPALL", cmd_hopall, 400, 2, 0);
4332     opserv_define_func("PART", cmd_part, 601, 0, 2);
4333     opserv_define_func("QUERY", cmd_query, 0, 0, 0);
4334     opserv_define_func("RAW", cmd_raw, 999, 0, 2);
4335     opserv_define_func("RECONNECT", cmd_reconnect, 900, 0, 0);
4336     opserv_define_func("REFRESHG", cmd_refreshg, 600, 0, 0);
4337     opserv_define_func("REHASH", cmd_rehash, 900, 0, 0);
4338     opserv_define_func("REOPEN", cmd_reopen, 900, 0, 0);
4339     opserv_define_func("RESERVE", cmd_reserve, 800, 0, 5);
4340     opserv_define_func("RESTART", cmd_restart, 900, 0, 2);
4341     opserv_define_func("SET", cmd_set, 900, 0, 3);
4342     opserv_define_func("SETTIME", cmd_settime, 901, 0, 0);
4343     opserv_define_func("STATS ALERTS", cmd_stats_alerts, 0, 0, 0);
4344     opserv_define_func("STATS BAD", cmd_stats_bad, 0, 0, 0);
4345     opserv_define_func("STATS GAGS", cmd_stats_gags, 0, 0, 0);
4346     opserv_define_func("STATS GLINES", cmd_stats_glines, 0, 0, 0);
4347     opserv_define_func("STATS LINKS", cmd_stats_links, 0, 0, 0);
4348     opserv_define_func("STATS MAX", cmd_stats_max, 0, 0, 0);
4349     opserv_define_func("STATS NETWORK", cmd_stats_network, 0, 0, 0);
4350     opserv_define_func("STATS NETWORK2", cmd_stats_network2, 0, 0, 0);
4351     opserv_define_func("STATS RESERVED", cmd_stats_reserved, 0, 0, 0);
4352     opserv_define_func("STATS TIMEQ", cmd_stats_timeq, 0, 0, 0);
4353     opserv_define_func("STATS TRUSTED", cmd_stats_trusted, 0, 0, 0);
4354     opserv_define_func("STATS UPLINK", cmd_stats_uplink, 0, 0, 0);
4355     opserv_define_func("STATS UPTIME", cmd_stats_uptime, 0, 0, 0);
4356 /*    opserv_define_func("STATS WARN", cmd_stats_warn, 0, 0, 0); */
4357 #if defined(WITH_MALLOC_X3) || defined(WITH_MALLOC_SLAB)
4358     opserv_define_func("STATS MEMORY", cmd_stats_memory, 0, 0, 0);
4359 #endif
4360     opserv_define_func("TRACE", cmd_trace, 100, 0, 3);
4361     opserv_define_func("TRACE PRINT", NULL, 0, 0, 0);
4362     opserv_define_func("TRACE COUNT", NULL, 0, 0, 0);
4363     opserv_define_func("TRACE DOMAINS", NULL, 0, 0, 0);
4364     opserv_define_func("TRACE GLINE", NULL, 600, 0, 0);
4365     opserv_define_func("TRACE GAG", NULL, 600, 0, 0);
4366     opserv_define_func("TRACE KILL", NULL, 600, 0, 0);
4367     opserv_define_func("UNBAN", cmd_unban, 100, 2, 2);
4368     opserv_define_func("UNGAG", cmd_ungag, 600, 0, 2);
4369     opserv_define_func("UNGLINE", cmd_ungline, 600, 0, 2);
4370     modcmd_register(opserv_module, "GTRACE UNGLINE", NULL, 0, 0, "template", "ungline", NULL);
4371     opserv_define_func("UNJUPE", cmd_unjupe, 900, 0, 2);
4372     opserv_define_func("UNRESERVE", cmd_unreserve, 800, 0, 2);
4373 /*    opserv_define_func("UNWARN", cmd_unwarn, 800, 0, 0); */
4374     opserv_define_func("VOICEALL", cmd_voiceall, 300, 2, 0);
4375 /*    opserv_define_func("WARN", cmd_warn, 800, 0, 2); */
4376     opserv_define_func("WHOIS", cmd_whois, 0, 0, 2);
4377
4378     opserv_reserved_nick_dict = dict_new();
4379     opserv_hostinfo_dict = dict_new();
4380     dict_set_free_keys(opserv_hostinfo_dict, free);
4381     dict_set_free_data(opserv_hostinfo_dict, opserv_free_hostinfo);
4382
4383     reg_new_user_func(opserv_new_user_check);
4384     reg_nick_change_func(opserv_alert_check_nick);
4385     reg_del_user_func(opserv_user_cleanup);
4386     reg_new_channel_func(opserv_channel_check);
4387     reg_del_channel_func(opserv_channel_delete);
4388     reg_join_func(opserv_join_check);
4389     reg_auth_func(opserv_staff_alert);
4390
4391     opserv_db_init();
4392     saxdb_register("OpServ", opserv_saxdb_read, opserv_saxdb_write);
4393     if (nick)
4394     {
4395         opserv_service = service_register(opserv);
4396         opserv_service->trigger = '?';
4397     }
4398
4399     reg_exit_func(opserv_db_cleanup);
4400     message_register_table(msgtab);
4401 }