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