src/opserv.c

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