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[irc/evilnet/x3.git] / src / modcmd.c
1 /* modcmd.c - Generalized module command support
2 * Copyright 2002-2004 srvx Development Team
3 *
4 * This file is part of x3.
5 *
6 * x3 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 3 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 "../ChangeLog"
22 #include "chanserv.h"
23 #include "conf.h"
24 #include "compat.h"
25 #include "modcmd.h"
26 #include "opserv.h"
27 #include "saxdb.h"
28 #include "timeq.h"
29
30
31 struct pending_template {
32 struct svccmd *cmd;
33 char *base;
34 struct pending_template *next;
35 };
36
37 extern unsigned long god_timeout;
38 static struct dict *modules;
39 static struct dict *services;
40 static struct pending_template *pending_templates;
41 static struct module *modcmd_module;
42 static struct modcmd *bind_command, *help_command, *version_command, *credits_command;
43 static const struct message_entry msgtab[] = {
44 { "MCMSG_BARE_FLAG", "Flag %.*s must be preceded by a + or -." },
45 { "MCMSG_UNKNOWN_FLAG", "Unknown module flag %.*s." },
46 { "MCMSG_BAD_OPSERV_LEVEL", "Invalid $O access level %s." },
47 { "MCMSG_BAD_CHANSERV_LEVEL", "Invalid $C access level %s." },
48 { "MCMSG_LEVEL_TOO_LOW", "You cannot set the access requirements for %s (your level is too low.)" },
49 { "MCMSG_LEVEL_TOO_HIGH", "You cannot set the access requirements to %s (that is too high)." },
50 { "MCMSG_BAD_OPTION", "Unknown option %s." },
51 { "MCMSG_MUST_QUALIFY", "You $bMUST$b \"/msg %s@$s %s\" (not just /msg %s)." },
52 { "MCMSG_ACCOUNT_SUSPENDED", "Your account has been suspended." },
53 { "MCMSG_CHAN_NOT_REGISTERED", "%s has not been registered with $C." },
54 { "MCMSG_CHAN_SUSPENDED", "$b$C$b access to $b%s$b has been temporarily suspended (%s)." },
55 { "MCMSG_NO_CHANNEL_ACCESS", "You lack access to %s." },
56 { "MCMSG_LOW_CHANNEL_ACCESS", "You lack sufficient access in %s to use this command." },
57 { "MCMSG_REQUIRES_JOINABLE", "You must be in %s (or on its userlist) to use this command." },
58 { "MCMSG_MUST_BE_HELPING", "You must have security override (helping mode) on to use this command." },
59 { "MCMSG_MISSING_COMMAND", "You must specify a command as well as a channel." },
60 { "MCMSG_NO_CHANNEL_BEFORE", "You may not give a channel name before this command." },
61 { "MCMSG_NO_PLUS_CHANNEL", "You may not use a +channel with this command." },
62 { "MCMSG_COMMAND_ALIASES", "%s is an alias for: %s" },
63 { "MCMSG_HELP_COMMAND_ALIAS", "$uAlias for:$u %s" },
64 { "MCMSG_HELP_COMMAND_HEADER", "Command help for: $b%s$b" },
65 { "MCMSG_HELP_COMMAND_UNKNOWN", "No help available for that command." },
66 { "MCMSG_HELP_TOPIC_HEADER", "Help topic: $b%s$b" },
67 { "MCMSG_HELP_DIVIDER", "=---------------------------------------=" },
68 { "MCMSG_HELP_FOOTER", "=------------- End of Help -------------=" },
69 { "MCMSG_COMMAND_BINDING", "%s is a binding of: %s" },
70 { "MCMSG_ALIAS_ERROR", "Error in alias expansion for %s; check the error log for details." },
71 { "MCMSG_INTERNAL_COMMAND", "$b%s$b is an internal command and cannot be called directly; please check command bindings." },
72 { "MCMSG_UNKNOWN_MODULE", "Unknown module %s." },
73 { "MCMSG_UNKNOWN_SERVICE", "Unknown service %s." },
74 { "MCMSG_ALREADY_BOUND", "%s already has a command bound as %s." },
75 { "MCMSG_UNKNOWN_COMMAND_2", "Unknown command name %s (relative to service %s)." },
76 { "MCMSG_COMMAND_MODIFIED", "Option $b%s$b for $b%s$b has been set." },
77 { "MCMSG_INSPECTION_REFUSED", "You do not have access to inspect command %s." },
78 { "MCMSG_CANNOT_DOUBLE_ALIAS", "You cannot bind to a complex (argument-carrying) bind." },
79 { "MCMSG_BAD_ALIAS_ARGUMENT", "Invalid alias argument $b%s$b." },
80 { "MCMSG_COMMAND_BOUND", "New command %s bound to %s." },
81 { "MCMSG_MODULE_BOUND", "Bound %d commands from %s to %s." },
82 { "MCMSG_NO_COMMAND_BOUND", "%s has nothing bound as command %s." },
83 { "MCMSG_UNBIND_PROHIBITED", "It wouldn't be very much fun to unbind the last %s command, now would it?" },
84 { "MCMSG_COMMAND_UNBOUND", "Unbound command %s from %s." },
85 { "MCMSG_HELPFILE_UNBOUND", "Since that was the last command from module %s on the service, the helpfile for %s was removed." },
86 { "MCMSG_NO_HELPFILE", "Module %s does not have a help file." },
87 { "MCMSG_HELPFILE_ERROR", "Syntax error reading %s; help contents not changed." },
88 { "MCMSG_HELPFILE_READ", "Read %s help database in "FMT_TIME_T".%03lu seconds." },
89 { "MCMSG_COMMAND_TIME", "Command $b%s$b finished in "FMT_TIME_T".%06lu seconds." },
90 { "MCMSG_NEED_OPSERV_LEVEL", "You must have $O access of at least $b%u$b." },
91 { "MCMSG_NEED_CHANSERV_LEVEL", "You must have $C access of at least $b%u$b in the channel." },
92 { "MCMSG_NEED_ACCOUNT_FLAGS", "You must have account flags $b%s$b." },
93 { "MCMSG_NEED_NOTHING", "Anyone may use the $b%s$b command." },
94 { "MCMSG_NEED_STAFF_ACCESS", "You must be network staff." },
95 { "MCMSG_NEED_STAFF_OPER", "You must be an IRC operator." },
96 { "MCMSG_NEED_STAFF_NETHELPER", "You must be a network helper." },
97 { "MCMSG_NEED_STAFF_NETHELPER_OR_OPER", "You must be a network helper or IRC operator." },
98 { "MCMSG_NEED_STAFF_SHELPER", "You must be a support helper." },
99 { "MCMSG_NEED_STAFF_SHELPER_OR_OPER", "You must be a support helper or IRC operator." },
100 { "MCMSG_NEED_STAFF_HELPER", "You must be a network or support helper." },
101 { "MCMSG_NEED_JOINABLE", "The channel must be open or you must be in the channel or on its userlist." },
102 { "MCMSG_NEED_CHANUSER_CSUSPENDABLE", "You must be on the channel's userlist, and the channel can be suspended." },
103 { "MCMSG_NEED_CHANUSER", "You must be on the channel's userlist." },
104 { "MCMSG_NEED_REGCHAN", "You must specify a channel registered with $C." },
105 { "MCMSG_NEED_CHANNEL", "You must specify a channel that exists." },
106 { "MCMSG_NEED_AUTHED", "You must be authenticated with $N." },
107 { "MCMSG_IS_TOY", "$b%s$b is a toy command." },
108 { "MCMSG_END_REQUIREMENTS", "End of requirements for $b%s$b." },
109 { "MCMSG_ALREADY_HELPING", "You already have security override enabled." },
110 { "MCMSG_ALREADY_NOT_HELPING", "You already have security override disabled." },
111 { "MCMSG_NOW_HELPING", "Security override has been enabled." },
112 { "MCMSG_NOW_NOT_HELPING", "Security override has been disabled." },
113 { "MCMSG_JOINER_CHOICES", "Subcommands of %s: %s" },
114 { "MCMSG_MODULE_INFO", "Commands exported by module $b%s$b:" },
115 { "MCMSG_SERVICE_INFO", "Commands bound to service $b%s$b:" },
116 { "MCMSG_TOYS_DISABLED", "Toys are disabled in %s." },
117 { "MCMSG_PUBLIC_DENY", "Public commands in $b%s$b are restricted." },
118 { "MCMSG_HELPFILE_SEQUENCE", "Help priority %d: %s" },
119 { "MCMSG_HELPFILE_SEQUENCE_SET", "Set helpfile priority sequence for %s." },
120 { "MCMSG_BAD_SERVICE_NICK", "$b%s$b is an invalid nickname." },
121 { "MCMSG_ALREADY_SERVICE", "$b%s$b is already a service." },
122 { "MCMSG_NEW_SERVICE", "Added new service bot $b%s$b." },
123 { "MCMSG_SERVICE_RENAMED", "Service renamed to $b%s$b." },
124 { "MCMSG_NO_TRIGGER", "$b%s$b does not have an in-channel trigger." },
125 { "MCMSG_REMOVED_TRIGGER", "Removed trigger from $b%s$b." },
126 { "MCMSG_DUPLICATE_TRIGGER", "$b%s$b already uses trigger $b%c$b." },
127 { "MCMSG_CURRENT_TRIGGER", "Trigger for $b%s$b is $b%c$b." },
128 { "MCMSG_NEW_TRIGGER", "Changed trigger for $b%s$b to $b%c$b." },
129 { "MCMSG_SERVICE_PRIVILEGED", "Service $b%s$b privileged: $b%s$b." },
130 { "MCMSG_SERVICE_REMOVED", "Service $b%s$b has been deleted." },
131 { "MCMSG_FILE_NOT_OPENED", "Unable to open file $b%s$b for writing." },
132 { "MCMSG_MESSAGES_DUMPED", "Messages written to $b%s$b." },
133 { "MCMSG_MESSAGE_DUMP_FAILED", "Message dump failed: %s." },
134 { "MCMSG_COMMAND_FLAGS", "Command flags are %s (inferred: %s)." },
135 { "MCMSG_COMMAND_ACCOUNT_FLAGS", "Requires account flags +%s, prohibits account flags +%s." },
136 { "MCMSG_COMMAND_ACCESS_LEVEL", "Requires channel access %d and $O access %d." },
137 { "MCMSG_COMMAND_USES", "%s has been used %d times." },
138 { "MCMSG_GOD_EXPIRED", "Security override expired." },
139 { NULL, NULL }
140 };
141 struct userData *_GetChannelUser(struct chanData *channel, struct handle_info *handle, int override, int allow_suspended);
142
143 #define ACTION_ALLOW 1
144 #define ACTION_OVERRIDE 2
145 #define ACTION_NOCHANNEL 4
146 #define ACTION_STAFF 8
147
148 #define RESOLVE_DEPTH 4
149
150 static struct modcmd_flag {
151 const char *name;
152 unsigned int flag;
153 } modcmd_flags[] = {
154 { "acceptchan", MODCMD_ACCEPT_CHANNEL },
155 { "acceptpluschan", MODCMD_ACCEPT_PCHANNEL },
156 { "authed", MODCMD_REQUIRE_AUTHED },
157 { "channel", MODCMD_REQUIRE_CHANNEL },
158 { "chanuser", MODCMD_REQUIRE_CHANUSER },
159 { "disabled", MODCMD_DISABLED },
160 { "helping", MODCMD_REQUIRE_HELPING },
161 { "ignore_csuspend", MODCMD_IGNORE_CSUSPEND },
162 { "joinable", MODCMD_REQUIRE_JOINABLE },
163 { "keepbound", MODCMD_KEEP_BOUND },
164 { "loghostmask", MODCMD_LOG_HOSTMASK },
165 { "networkhelper", MODCMD_REQUIRE_NETWORK_HELPER },
166 { "never_csuspend", MODCMD_NEVER_CSUSPEND },
167 { "nolog", MODCMD_NO_LOG },
168 { "oper", MODCMD_REQUIRE_OPER },
169 { "qualified", MODCMD_REQUIRE_QUALIFIED },
170 { "regchan", MODCMD_REQUIRE_REGCHAN },
171 { "supporthelper", MODCMD_REQUIRE_SUPPORT_HELPER },
172 { "toy", MODCMD_TOY },
173 { NULL, 0 }
174 };
175
176 static int
177 flags_bsearch(const void *a, const void *b) {
178 const char *key = a;
179 const struct modcmd_flag *flag = b;
180 return ircncasecmp(key, flag->name, strlen(flag->name));
181 }
182
183 static int
184 flags_qsort(const void *a, const void *b) {
185 const struct modcmd_flag *fa = a, *fb = b;
186 return irccasecmp(fa->name, fb->name);
187 }
188
189 DEFINE_LIST(svccmd_list, struct svccmd*)
190 DEFINE_LIST(module_list, struct module*)
191
192 static void
193 free_service_command(void *data) {
194 struct svccmd *svccmd;
195 unsigned int nn;
196
197 svccmd = data;
198 if (svccmd->alias.used) {
199 for (nn=0; nn<svccmd->alias.used; ++nn)
200 free(svccmd->alias.list[nn]);
201 free(svccmd->alias.list);
202 }
203 free(svccmd->name);
204 free(svccmd);
205 }
206
207 static void
208 free_service(void *data) {
209 struct service *service = data;
210 dict_delete(service->commands);
211 module_list_clean(&service->modules);
212 free(service);
213 }
214
215 static void
216 free_module_command(void *data) {
217 struct modcmd *modcmd = data;
218 free_service_command(modcmd->defaults);
219 free(modcmd->name);
220 free(modcmd);
221 }
222
223 static void
224 free_module(void *data) {
225 struct module *module = data;
226 dict_delete(module->commands);
227 close_helpfile(module->helpfile);
228 free(module->name);
229 free(module);
230 }
231
232 struct module *
233 module_register(const char *name, struct log_type *clog, const char *helpfile_name, expand_func_t expand_help) {
234 struct module *newmod;
235
236 newmod = calloc(1, sizeof(*newmod));
237 newmod->name = strdup(name);
238 newmod->commands = dict_new();
239 dict_set_free_data(newmod->commands, free_module_command);
240 newmod->clog = clog;
241 newmod->helpfile_name = helpfile_name;
242 newmod->expand_help = expand_help;
243 if (newmod->helpfile_name) {
244 newmod->helpfile = open_helpfile(newmod->helpfile_name, newmod->expand_help);
245 }
246 dict_insert(modules, newmod->name, newmod);
247 return newmod;
248 }
249
250 struct module *
251 module_find(const char *name) {
252 return dict_find(modules, name, NULL);
253 }
254
255 static void
256 add_pending_template(struct svccmd *cmd, const char *target) {
257 struct pending_template *pending = calloc(1, sizeof(*pending));
258 pending->cmd = cmd;
259 pending->base = strdup(target);
260 pending->next = pending_templates;
261 pending_templates = pending;
262 }
263
264 struct svccmd *
265 svccmd_resolve_name(struct svccmd *origin, const char *name) {
266 char *sep, svcname[MAXLEN];
267
268 if ((sep = strchr(name, '.'))) {
269 memcpy(svcname, name, sep-name);
270 svcname[sep-name] = 0;
271 name = sep + 1;
272 if (svcname[0] == '*') {
273 struct module *module = module_find(svcname+1);
274 struct modcmd *cmd = module ? dict_find(module->commands, name, NULL) : NULL;
275 return cmd ? cmd->defaults : NULL;
276 } else {
277 struct service *service = service_find(svcname);
278 return service ? dict_find(service->commands, name, NULL) : NULL;
279 }
280 } else {
281 if (origin->parent) {
282 return dict_find(origin->parent->commands, name, NULL);
283 } else {
284 struct modcmd *cmd = dict_find(origin->command->parent->commands, name, NULL);
285 return cmd ? cmd->defaults : NULL;
286 }
287 }
288 }
289
290 static void
291 modcmd_set_effective_flags(struct svccmd *cmd) {
292 int flags = cmd->flags | cmd->command->flags;
293 if (cmd->min_opserv_level > 0)
294 flags |= MODCMD_REQUIRE_OPER;
295 if (cmd->min_channel_access > 0)
296 flags |= MODCMD_REQUIRE_CHANUSER;
297 if (flags & MODCMD_REQUIRE_CHANUSER)
298 flags |= MODCMD_REQUIRE_REGCHAN;
299 if (flags & MODCMD_REQUIRE_REGCHAN)
300 flags |= MODCMD_REQUIRE_CHANNEL;
301 if (flags & (MODCMD_REQUIRE_STAFF|MODCMD_REQUIRE_HELPING))
302 flags |= MODCMD_REQUIRE_AUTHED;
303 cmd->effective_flags = flags;
304 }
305
306 static void
307 svccmd_copy_rules(struct svccmd *dest, struct svccmd *src) {
308 dest->flags |= src->flags;
309 dest->req_account_flags |= src->req_account_flags;
310 dest->deny_account_flags |= src->deny_account_flags;
311 if (src->min_opserv_level > dest->min_opserv_level)
312 dest->min_opserv_level = src->min_opserv_level;
313 if (src->min_channel_access > dest->min_channel_access)
314 dest->min_channel_access = src->min_channel_access;
315 modcmd_set_effective_flags(dest);
316 }
317
318 static int
319 svccmd_configure(struct svccmd *cmd, struct userNode *user, struct userNode *bot, const char *param, const char *value) {
320 if (!irccasecmp(param, "flags")) {
321 unsigned int set_flags, rem_flags;
322 struct modcmd_flag *flag;
323 int opt, end;
324
325 for (set_flags = rem_flags = 0; 1; value += end) {
326 end = strcspn(value, ",");
327 if (*value == '+')
328 opt = 1;
329 else if (*value == '-')
330 opt = 0;
331 else {
332 if (user)
333 send_message(user, bot, "MCMSG_BARE_FLAG", end, value);
334 else
335 log_module(MAIN_LOG, LOG_ERROR, "Flag %.*s must be preceded by a + or - (for command %s).", end, value, cmd->name);
336 return 0;
337 }
338 value++;
339 flag = bsearch(value, modcmd_flags, ArrayLength(modcmd_flags)-1, sizeof(modcmd_flags[0]), flags_bsearch);
340 if (!flag) {
341 if (user)
342 send_message(user, bot, "MCMSG_UNKNOWN_FLAG", end, value);
343 else
344 log_module(MAIN_LOG, LOG_ERROR, "Unknown module flag %.*s (for command %s).", end, value, cmd->name);
345 return 0;
346 }
347 if (opt)
348 set_flags |= flag->flag, rem_flags &= ~flag->flag;
349 else
350 rem_flags |= flag->flag, set_flags &= ~flag->flag;
351 if (!value[end-1])
352 break;
353 }
354 cmd->flags = (cmd->flags | set_flags) & ~rem_flags;
355 return 1;
356 } else if (!irccasecmp(param, "channel_level") || !irccasecmp(param, "channel_access") || !irccasecmp(param, "access")) {
357 unsigned short ul;
358 if (!irccasecmp(value, "none") || !irccasecmp(value, "0")) {
359 cmd->min_channel_access = 0;
360 return 1;
361 } else if ((ul = user_level_from_name(value, UL_OWNER)) > 0) {
362 cmd->min_channel_access = ul;
363 return 1;
364 } else if (user) {
365 send_message(user, bot, "MCMSG_BAD_CHANSERV_LEVEL", value);
366 return 0;
367 } else {
368 log_module(MAIN_LOG, LOG_ERROR, "Invalid ChanServ access level %s (for command %s).", value, cmd->name);
369 return 0;
370 }
371 } else if (!irccasecmp(param, "oper_level") || !irccasecmp(param, "oper_access") || !irccasecmp(param, "level")) {
372 unsigned int newval = atoi(value);
373 if (!isdigit(value[0]) || (newval > 1000)) {
374 if (user)
375 send_message(user, bot, "MCMSG_BAD_OPSERV_LEVEL", value);
376 else
377 log_module(MAIN_LOG, LOG_ERROR, "Invalid OpServ access level %s (for command %s).", value, cmd->name);
378 return 0;
379 }
380 if (user && (!user->handle_info || (cmd->min_opserv_level > user->handle_info->opserv_level))) {
381 send_message(user, bot, "MCMSG_LEVEL_TOO_LOW", cmd->name);
382 return 0;
383 }
384 if (user && (!user->handle_info || (newval > user->handle_info->opserv_level))) {
385 send_message(user, bot, "MCMSG_LEVEL_TOO_HIGH", value);
386 return 0;
387 }
388 cmd->min_opserv_level = newval;
389 return 1;
390 } else if (!irccasecmp(param, "account_flags")) {
391 return nickserv_modify_handle_flags(user, bot, value, &cmd->req_account_flags, &cmd->deny_account_flags);
392 } else {
393 if (user)
394 send_message(user, bot, "MCMSG_BAD_OPTION", param);
395 else
396 log_module(MAIN_LOG, LOG_ERROR, "Unknown option %s (for command %s).", param, cmd->name);
397 return 0;
398 }
399 }
400
401 struct modcmd *
402 modcmd_register(struct module *module, const char *name, modcmd_func_t func, unsigned int min_argc, unsigned int flags, ...) {
403 struct modcmd *newcmd;
404 va_list args;
405 const char *param, *value;
406
407 newcmd = calloc(1, sizeof(*newcmd));
408 newcmd->name = strdup(name);
409 newcmd->parent = module;
410 newcmd->func = func;
411 newcmd->min_argc = min_argc;
412 newcmd->flags = flags;
413 newcmd->defaults = calloc(1, sizeof(*newcmd->defaults));
414 newcmd->defaults->name = strdup(newcmd->name);
415 newcmd->defaults->command = newcmd;
416 dict_insert(module->commands, newcmd->name, newcmd);
417 if (newcmd->flags & (MODCMD_REQUIRE_REGCHAN|MODCMD_REQUIRE_CHANNEL|MODCMD_REQUIRE_CHANUSER|MODCMD_REQUIRE_JOINABLE)) {
418 newcmd->defaults->flags |= MODCMD_ACCEPT_CHANNEL;
419 }
420 if (newcmd->flags & MODCMD_REQUIRE_STAFF) {
421 newcmd->defaults->flags |= MODCMD_REQUIRE_AUTHED;
422 }
423 va_start(args, flags);
424 while ((param = va_arg(args, const char*))) {
425 value = va_arg(args, const char*);
426 if (!irccasecmp(param, "template")) {
427 struct svccmd *svccmd = svccmd_resolve_name(newcmd->defaults, value);
428 if (svccmd) {
429 svccmd_copy_rules(newcmd->defaults, svccmd);
430 } else {
431 log_module(MAIN_LOG, LOG_ERROR, "Unable to resolve template name %s for %s.%s.", value, newcmd->parent->name, newcmd->name);
432 }
433 add_pending_template(newcmd->defaults, value);
434 } else {
435 svccmd_configure(newcmd->defaults, NULL, NULL, param, value);
436 }
437 }
438 modcmd_set_effective_flags(newcmd->defaults);
439 va_end(args);
440 return newcmd;
441 }
442
443 /* This is kind of a lame hack, but it is actually simpler than having
444 * the permission check vary based on the command itself, or having a
445 * more generic rule system.
446 */
447 int
448 svccmd_can_invoke(struct userNode *user, struct userNode *bot, struct svccmd *cmd, struct chanNode *channel, int options) {
449 extern struct userNode *chanserv;
450 unsigned int uData_checked = 0;
451 struct userData *uData = NULL;
452 int rflags = 0, flags = cmd->effective_flags;
453
454 if (flags & MODCMD_DISABLED) {
455 if (options & SVCCMD_NOISY)
456 send_message(user, bot, "MSG_COMMAND_DISABLED", cmd->name);
457 return 0;
458 }
459 if ((flags & MODCMD_REQUIRE_QUALIFIED) && !(options & SVCCMD_QUALIFIED)) {
460 if (options & SVCCMD_NOISY)
461 send_message(user, bot, "MCMSG_MUST_QUALIFY", bot->nick, cmd->name, bot->nick);
462 return 0;
463 }
464 if (flags & MODCMD_REQUIRE_AUTHED) {
465 if (!user->handle_info) {
466 if (options & SVCCMD_NOISY)
467 send_message(user, bot, "MSG_AUTHENTICATE");
468 return 0;
469 }
470 if (HANDLE_FLAGGED(user->handle_info, SUSPENDED)) {
471 if (options & SVCCMD_NOISY)
472 send_message(user, bot, "MCMSG_ACCOUNT_SUSPENDED");
473 return 0;
474 }
475 }
476 if (channel || (options & SVCCMD_NOISY)) {
477 if ((flags & MODCMD_REQUIRE_CHANNEL) && !channel) {
478 if (options & SVCCMD_NOISY)
479 send_message(user, bot, "MSG_INVALID_CHANNEL");
480 return 0;
481 }
482 if (flags & MODCMD_REQUIRE_REGCHAN) {
483 if (!chanserv) {
484 /* Just use the inferred MODCMD_REQUIRE_CHANNEL. */
485 } else if (!channel->channel_info) {
486 if (options & SVCCMD_NOISY)
487 send_message(user, bot, "MCMSG_CHAN_NOT_REGISTERED", channel->name);
488 return 0;
489 } else if (IsSuspended(channel->channel_info) && !(flags & MODCMD_IGNORE_CSUSPEND)) {
490 /* Allow security-override users to ignore most channel
491 * suspensions, but flag that use as a staff command.
492 */
493 if (!IsHelping(user) || (flags & MODCMD_NEVER_CSUSPEND)) {
494 if (options & SVCCMD_NOISY)
495 send_message(user, bot, "MCMSG_CHAN_SUSPENDED", channel->name, channel->channel_info->suspended->reason);
496 return 0;
497 }
498 rflags |= ACTION_STAFF;
499 }
500 }
501 if (flags & MODCMD_REQUIRE_CHANUSER) {
502 if (!uData_checked)
503 uData = _GetChannelUser(channel->channel_info, user->handle_info, 1, 0), uData_checked = 1;
504 if (!chanserv) {
505 /* Assume someone knows what they're doing. */
506 } else if (!uData) {
507 if (options & SVCCMD_NOISY)
508 send_message(user, bot, "MCMSG_NO_CHANNEL_ACCESS", channel->name);
509 return 0;
510 } else if (uData->access < cmd->min_channel_access) {
511 if (options & SVCCMD_NOISY)
512 send_message(user, bot, "MCMSG_LOW_CHANNEL_ACCESS", channel->name);
513 return 0;
514 }
515 }
516 if ((flags & MODCMD_REQUIRE_JOINABLE) && channel) {
517 if (!uData_checked)
518 uData = _GetChannelUser(channel->channel_info, user->handle_info, 1, 0), uData_checked = 1;
519 if ((channel->modes & (MODE_INVITEONLY|MODE_KEY|MODE_SECRET))
520 && !uData
521 && !IsService(user)
522 && !GetUserMode(channel, user)) {
523 if (options & SVCCMD_NOISY)
524 send_message(user, bot, "MCMSG_REQUIRES_JOINABLE", channel->name);
525 return 0;
526 }
527 }
528 if ((flags & MODCMD_TOY) && channel) {
529 if (!channel->channel_info)
530 rflags |= ACTION_NOCHANNEL;
531 else switch (channel->channel_info->chOpts[chToys]) {
532 case 'd':
533 if (options & SVCCMD_NOISY)
534 send_message(user, bot, "MCMSG_TOYS_DISABLED", channel->name);
535 return 0;
536 case 'n':
537 rflags |= ACTION_NOCHANNEL;
538 break;
539 case 'p':
540 break;
541 }
542 }
543 }
544 if (flags & MODCMD_REQUIRE_STAFF) {
545 if (((flags & MODCMD_REQUIRE_OPER) && IsOper(user))
546 || ((flags & MODCMD_REQUIRE_NETWORK_HELPER) && IsNetworkHelper(user))
547 || ((flags & MODCMD_REQUIRE_SUPPORT_HELPER) && IsSupportHelper(user))) {
548 /* allow it */
549 rflags |= ACTION_STAFF;
550 } else {
551 if (options & SVCCMD_NOISY)
552 send_message(user, bot, "MSG_COMMAND_PRIVILEGED", cmd->name);
553 return 0;
554 }
555 }
556 if (flags & MODCMD_REQUIRE_HELPING) {
557 if (!HANDLE_FLAGGED(user->handle_info, HELPING)) {
558 if (options & SVCCMD_NOISY)
559 send_message(user, bot, "MCMSG_MUST_BE_HELPING");
560 return 0;
561 }
562 rflags |= ACTION_STAFF;
563 }
564 if (cmd->min_opserv_level > 0) {
565 if (!oper_has_access(user, bot, cmd->min_opserv_level, !(options & SVCCMD_NOISY)))
566 return 0;
567 rflags |= ACTION_STAFF;
568 }
569 if (cmd->req_account_flags || cmd->deny_account_flags) {
570 if (!user->handle_info) {
571 if (options & SVCCMD_NOISY)
572 send_message(user, bot, "MSG_AUTHENTICATE");
573 return 0;
574 }
575 /* Do we want separate or different messages here? */
576 if ((cmd->req_account_flags & ~user->handle_info->flags)
577 || (cmd->deny_account_flags & user->handle_info->flags)) {
578 if (options & SVCCMD_NOISY)
579 send_message(user, bot, "MSG_COMMAND_PRIVILEGED", cmd->name);
580 return 0;
581 }
582 }
583
584 /* If it's an override, return a special value. */
585 if ((flags & MODCMD_REQUIRE_CHANUSER)
586 && (options & SVCCMD_NOISY)
587 && (!uData || (uData->access > 500))
588 && (!(uData = _GetChannelUser(channel->channel_info, user->handle_info, 0, 0))
589 || uData->access < cmd->min_channel_access)
590 && !(flags & (MODCMD_REQUIRE_STAFF|MODCMD_REQUIRE_HELPING))) {
591 rflags |= ACTION_OVERRIDE;
592 }
593 return rflags | ACTION_ALLOW;
594 }
595
596 static int
597 svccmd_expand_alias(struct svccmd *cmd, struct userNode *user, unsigned int old_argc, char *old_argv[], char *new_argv[]) {
598 unsigned int ii, new_argc;
599 char *arg;
600
601 for (ii=new_argc=0; ii<cmd->alias.used; ++ii) {
602 arg = cmd->alias.list[ii];
603 if (arg[0] != '$') {
604 new_argv[new_argc++] = arg;
605 continue;
606 }
607 if (arg[1] == '$') {
608 new_argv[new_argc++] = arg + 1;
609 } else if (isdigit(arg[1])) {
610 unsigned int lbound, ubound, jj;
611 char *end_num;
612
613 lbound = strtoul(arg+1, &end_num, 10);
614 switch (end_num[0]) {
615 case 0: ubound = lbound; break;
616 case '-':
617 if (end_num[1] == 0) {
618 ubound = old_argc - 1;
619 break;
620 } else if (isdigit(end_num[1])) {
621 ubound = strtoul(end_num+1, NULL, 10);
622 break;
623 }
624 /* else fall through to default case */
625 default:
626 log_module(MAIN_LOG, LOG_ERROR, "Alias expansion parse error in %s (near %s; %s.%s arg %d).", arg, end_num, cmd->parent->bot->nick, cmd->name, ii);
627 return 0;
628 }
629 if (ubound >= old_argc)
630 ubound = old_argc - 1;
631 if (lbound < old_argc)
632 for (jj = lbound; jj <= ubound; )
633 new_argv[new_argc++] = old_argv[jj++];
634 } else {
635 switch(arg[1]) {
636 case 'a':
637 new_argv[new_argc++] = (user && user->handle_info) ? user->handle_info->handle : "(account)";
638 break;
639 case 'n':
640 new_argv[new_argc++] = user ? user->nick : "(nick)";
641 break;
642 case 'm':
643 #ifdef WITH_PROTOCOL_P10
644 new_argv[new_argc++] = user ? user->numeric : "(numnick)";
645 #else
646 new_argv[new_argc++] = "(This ircd protocol has no numnicks!)";
647 #endif
648 break;
649 default:
650 log_module(MAIN_LOG, LOG_ERROR, "Alias expansion: I do not know how to handle %s (%s.%s arg %d).", arg, cmd->parent->bot->nick, cmd->name, ii);
651 return 0;
652 }
653 }
654 }
655 return new_argc;
656 }
657
658 int
659 svccmd_invoke_argv(struct userNode *user, struct service *service, struct chanNode *channel, unsigned int argc, char *argv[], unsigned int server_qualified) {
660 extern struct userNode *chanserv;
661 struct svccmd *cmd;
662 unsigned int cmd_arg, perms, flags, options, result;
663 char channel_name[CHANNELLEN+1];
664
665 options = (server_qualified ? SVCCMD_QUALIFIED : 0) | SVCCMD_DEBIT | SVCCMD_NOISY;
666 /* Find the command argument. */
667 cmd_arg = IsChannelName(argv[0]) ? 1 : 0;
668 if (argc < cmd_arg+1) {
669 send_message(user, service->bot, "MCMSG_MISSING_COMMAND");
670 return 0;
671 }
672 if (!isalnum(*argv[cmd_arg])) {
673 /* Silently ignore stuff that doesn't begin with a letter or number. */
674 return 0;
675 }
676 cmd = dict_find(service->commands, argv[cmd_arg], NULL);
677 if (!cmd) {
678 if (!channel)
679 send_message(user, service->bot, "MSG_COMMAND_UNKNOWN", argv[cmd_arg]);
680 return 0;
681 }
682
683 /* Check pubcmd for the channel. */
684 if (channel && (channel->channel_info) && (service->bot == chanserv)
685 && !check_user_level(channel, user, lvlPubCmd, 1, 0)) {
686 send_message(user, service->bot, "MCMSG_PUBLIC_DENY", channel->name);
687 return 0;
688 }
689
690 flags = cmd->effective_flags;
691 /* If they put a channel name first, check if the command allows
692 * it. If so, swap it with the command name.
693 */
694 if (cmd_arg == 1) {
695 char *tmp;
696 /* Complain if we're not supposed to accept the channel. */
697 if (!(flags & MODCMD_ACCEPT_CHANNEL)) {
698 send_message(user, service->bot, "MCMSG_NO_CHANNEL_BEFORE");
699 return 0;
700 }
701 if (!(flags & MODCMD_ACCEPT_PCHANNEL)
702 && (argv[0][0] == '+')) {
703 send_message(user, service->bot, "MCMSG_NO_PLUS_CHANNEL");
704 return 0;
705 }
706 tmp = argv[1];
707 argv[1] = argv[0];
708 argv[0] = tmp;
709 }
710
711 /* Try to grab a channel handle before alias expansion.
712 * If the command accepts a channel name, and argv[1] is
713 * one, use it as a channel name, and hide it from logging.
714 */
715 if ((argc > 1)
716 && (flags & MODCMD_ACCEPT_CHANNEL)
717 && IsChannelName(argv[1])
718 && ((argv[1][0] != '+') || (flags & MODCMD_ACCEPT_PCHANNEL))
719 && (channel = dict_find(channels, argv[1], NULL))) {
720 argv[1] = argv[0];
721 argv++, argc--;
722 cmd_arg = 1;
723 }
724
725 /* Expand the alias arguments, if there are any. */
726 if (cmd->alias.used) {
727 char *new_argv[MAXNUMPARAMS];
728 int res;
729
730 res = svccmd_expand_alias(cmd, user, argc, argv, new_argv);
731 if (res < 0) {
732 send_message(user, service->bot, "MSG_MISSING_PARAMS", cmd->name);
733 return 0;
734 } else if (res == 0) {
735 send_message(user, service->bot, "MCMSG_ALIAS_ERROR", cmd->name);
736 return 0;
737 }
738 argc = res;
739 argv = new_argv;
740
741 /* Try again to grab a handle to the channel after alias
742 * expansion, overwriting any previous channel. This should,
743 * of course, only be done again if an alias was acually
744 * expanded. */
745 if ((argc > 1)
746 && (flags & MODCMD_ACCEPT_CHANNEL)
747 && IsChannelName(argv[1])
748 && ((argv[1][0] != '+') || (flags & MODCMD_ACCEPT_PCHANNEL))
749 && (channel = dict_find(channels, argv[1], NULL))) {
750 argv[1] = argv[0];
751 argv++, argc--;
752 cmd_arg = 1;
753 }
754 }
755
756 /* Figure out what actions we should do for it.. */
757 if (cmd_arg && (flags & MODCMD_TOY)) {
758 /* Do not let user manually specify a channel. */
759 channel = NULL;
760 }
761 if (argc < cmd->command->min_argc) {
762 send_message(user, service->bot, "MSG_MISSING_PARAMS", cmd->name);
763 svccmd_send_help_brief(user, service->bot, cmd);
764 return 0;
765 }
766 if (!cmd->command->func) {
767 send_message(user, service->bot, "MCMSG_INTERNAL_COMMAND", cmd->name);
768 return 0;
769 }
770 perms = svccmd_can_invoke(user, service->bot, cmd, channel, options);
771 if (!perms)
772 return 0;
773 cmd->uses++;
774 if (perms & ACTION_NOCHANNEL)
775 channel = NULL;
776
777 if (channel)
778 safestrncpy(channel_name, channel->name, sizeof(channel_name));
779 else
780 channel_name[0] = 0;
781 if (!(result = cmd->command->func(user, channel, argc, argv, cmd)))
782 return 0;
783 if (!(flags & MODCMD_NO_LOG)) {
784 enum log_severity slvl;
785 if (result & CMD_LOG_OVERRIDE)
786 slvl = LOG_OVERRIDE;
787 else if ((perms & ACTION_STAFF) || (result & CMD_LOG_STAFF))
788 slvl = LOG_STAFF;
789 else if (perms & ACTION_OVERRIDE)
790 slvl = LOG_OVERRIDE;
791 else
792 slvl = LOG_COMMAND;
793 /* Unsplit argv after running the function to get the benefit
794 * of any mangling/hiding done by the commands. */
795 log_audit(cmd->command->parent->clog, slvl, user, service->bot, channel_name, AUDIT_HOSTMASK, unsplit_string(argv, argc, NULL));
796 }
797 return 1;
798 }
799
800 /* First line (syntax usually) only help.. used for wrong param counts etc */
801 int
802 svccmd_send_help_brief(struct userNode *user, struct userNode *bot, struct svccmd *cmd) {
803 int r;
804
805 /* If it's an alias, show what it's an alias for. */
806 if (cmd->alias.used) {
807 char alias_text[MAXLEN];
808 unsplit_string((char**)cmd->alias.list, cmd->alias.used, alias_text);
809 send_message(user, bot, "MCMSG_COMMAND_ALIASES", cmd->name, cmd->command->name);
810 }
811 /* Send the syntax line of help.. */
812 r = send_help_brief(user, bot, cmd->command->parent->helpfile, cmd->name);
813 if(!r) {
814 if(cmd->command->name)
815 {
816 send_message(user, bot, "MCMSG_COMMAND_ALIASES", cmd->name, cmd->command->name);
817 r = send_help_brief(user, bot, cmd->command->parent->helpfile, cmd->command->name);
818 }
819 }
820 return r;
821 }
822
823 int is_joiner(struct svccmd *cmd)
824 {
825 if(cmd->command->name)
826 {
827 if(strcasecmp("joiner", cmd->command->name))
828 return(0);
829 else
830 return(1);
831 }
832 return(0);
833 /*
834 if(cmd->alias.used)
835 {
836 char alias_text[MAXLEN];
837 unsplit_string((char**)cmd->alias.list, cmd->alias.used, alias_text);
838 if(strcasecmp("joiner", alias_text))
839 return(0);
840 else
841 return(1);
842 }
843 */
844 }
845
846 int
847 svccmd_send_help(struct userNode *user, struct service *service, const char *topic) {
848 struct module *module;
849 struct svccmd *cmd;
850 char cmdname[MAXLEN];
851 unsigned int nn, ii;
852 int helpsent = 0;
853
854 /* If there is no topic show the index */
855 if (!topic)
856 topic = "<index>";
857 /* make heading str (uppercase) */
858 for (nn=0; topic[nn]; nn++)
859 cmdname[nn] = toupper(topic[nn]);
860 cmdname[nn] = 0;
861
862 /* If there is a command 'topic', send command help for the command (unless its bound to JOINER) */
863 if ((cmd = dict_find(service->commands, topic, NULL)) && !is_joiner(cmd))
864 {
865 send_message(user, service->bot, "MCMSG_HELP_COMMAND_HEADER", cmdname);
866 send_message(user, service->bot, "MCMSG_HELP_DIVIDER");
867 helpsent = send_help(user, service->bot, cmd->command->parent->helpfile, cmd->name);
868
869 /* Show if its an alias, or a binding of another command */
870 if (cmd->alias.used)
871 {
872 char alias_text[MAXLEN];
873 unsplit_string((char**)cmd->alias.list, cmd->alias.used, alias_text);
874 send_message(user, service->bot, "MCMSG_HELP_COMMAND_ALIAS", alias_text);
875 /* If send_help above didnt work, try again with the referenced command.. */
876 if(!helpsent)
877 helpsent = send_help(user, service->bot, cmd->command->parent->helpfile, alias_text);
878 }
879 else if(cmd->command->name && strcasecmp(cmd->command->name, cmd->name))
880 {
881 send_message(user, service->bot, "MCMSG_HELP_COMMAND_ALIAS", cmd->command->name);
882 /* If send_help above didnt work, try again with the referenced command.. */
883 if(!helpsent)
884 helpsent = send_help(user, service->bot, cmd->command->parent->helpfile, cmd->command->name);
885 }
886 /* If send_help still couldnt find it, tell them sorry */
887 if(!helpsent)
888 send_message(user, service->bot, "MCMSG_HELP_COMMAND_UNKNOWN");
889 send_message(user, service->bot, "MCMSG_HELP_FOOTER");
890 return true;
891 }
892 else /* look for topic in the help files loaded to this nick/service */
893 {
894 /* Check for non command help in first primary help file, then next and so on */
895 /* Note - we need to think about default bindings. see opserv.helpfiles */
896 for(ii = 0; ii < service->modules.used; ii++)
897 {
898 module = service->modules.list[ii];
899 if(!module->helpfile)
900 continue;
901 if(dict_find(module->helpfile->db, topic, NULL))
902 {
903 if (module->helpfile && dict_find(module->helpfile->db, topic, NULL))
904 {
905
906 send_message(user, service->bot, "MCMSG_HELP_TOPIC_HEADER", cmdname);
907 send_message(user, service->bot, "MCMSG_HELP_DIVIDER");
908 /* This should never fail but maybe if something is odd? */
909 if(!send_help(user, service->bot, module->helpfile, topic))
910 send_message(user, service->bot, "MSG_TOPIC_UNKNOWN");
911 send_message(user, service->bot, "MCMSG_HELP_FOOTER");
912 return true;
913 }
914 }
915 }
916 }
917 /* Otherwise say we cant find it */
918 send_message(user, service->bot, "MSG_TOPIC_UNKNOWN");
919 return 0;
920 }
921
922 static int
923 svccmd_invoke(struct userNode *user, struct service *service, struct chanNode *channel, const char *text, int server_qualified) {
924 unsigned int argc;
925 char *argv[MAXNUMPARAMS];
926 char tmpline[MAXLEN];
927
928 if (!*text)
929 return 0;
930 if (service->privileged) {
931 if (!IsOper(user)) {
932 send_message(user, service->bot, "MSG_SERVICE_PRIVILEGED", service->bot->nick);
933 return 0;
934 }
935 if (!user->handle_info) {
936 send_message(user, service->bot, "MSG_AUTHENTICATE");
937 return 0;
938 }
939 if (HANDLE_FLAGGED(user->handle_info, OPER_SUSPENDED)) {
940 send_message(user, service->bot, "MSG_OPER_SUSPENDED");
941 return 0;
942 }
943 }
944 safestrncpy(tmpline, text, sizeof(tmpline));
945 argc = split_line(tmpline, false, ArrayLength(argv), argv);
946 return argc ? svccmd_invoke_argv(user, service, channel, argc, argv, server_qualified) : 0;
947 }
948
949 char *cvs_verstring() {
950 static char verstring[MAXLEN] = { 0 };
951
952 if(!*verstring) {
953 char *svn = NULL, *svnver = NULL, *svndate = NULL, *v = 0, ver[MAXLEN];
954 int vc = 0;
955
956 strcpy(ver, CVS_VERSION);
957 for (svn = x3_strtok(&v, ver, " "); svn;
958 svn = x3_strtok(&v, 0, " ")) {
959 if (vc == 2)
960 svnver = svn;
961 else if (vc == 3)
962 svndate = svn;
963 vc++;
964 }
965 sprintf(verstring, "%s %s", svnver, svndate);
966 }
967 return verstring;
968 }
969
970
971 void
972 modcmd_privmsg(struct userNode *user, struct userNode *bot, const char *text, int server_qualified) {
973 struct service *service;
974
975 if (!(service = dict_find(services, bot->nick, NULL))) {
976 log_module(MAIN_LOG, LOG_ERROR, "modcmd_privmsg got privmsg for unhandled service %s, unregistering.", bot->nick);
977 reg_privmsg_func(bot, NULL);
978 return;
979 }
980
981 if (text[0] == '\x01') {
982 char *term, response[MAXLEN];
983
984 text++; /* Skip leading ^A. */
985 /* Chop off final ^A. */
986 term = strchr(text, '\x01');
987 if (!term)
988 return;
989 *term = '\0';
990 /* Parse out leading text. */
991 term = strchr(text, ' ');
992 if (term) {
993 *term++ = '\0';
994 if (!*term)
995 term = NULL;
996 }
997 /* No dict lookup since these are so few. */
998 if (!irccasecmp(text, "CLIENTINFO")) {
999 /* Use \001 instead of \x01 because apparently \x01C is
1000 * interpreted as ASCII FS (\034, decimal 28, hex 1C).
1001 */
1002 irc_notice_user(bot, user, "\001CLIENTINFO CLIENTINFO PING TIME USERINFO VERSION\x01");
1003 } else if (!irccasecmp(text, "PING")) {
1004 if (term) {
1005 snprintf(response, sizeof(response), "\x01PING %s\x01", term);
1006 irc_notice_user(bot, user, response);
1007 } else {
1008 irc_notice_user(bot,user, "\x01PING\x01");
1009 }
1010 } else if (!irccasecmp(text, "TIME")) {
1011 struct tm tm;
1012 localtime_r(&now, &tm);
1013 strftime(response, sizeof(response), "\x01TIME %a %b %d %H:%M:%S %Y\x01", &tm);
1014 irc_notice_user(bot, user, response);
1015 } else if (!irccasecmp(text, "USERINFO")) {
1016 snprintf(response, sizeof(response), "\x01USERINFO %s\x01", bot->info);
1017 irc_notice_user(bot, user, response);
1018 } else if (!irccasecmp(text, "VERSION")) {
1019 snprintf(response, sizeof(response), "\x01VERSION %s+[%s]\x01", PACKAGE_STRING, cvs_verstring());
1020 irc_notice_user(bot, user, response);
1021 } else if (!irccasecmp(text, "GENDER")) {
1022 snprintf(response, sizeof(response), "\x01GENDER ummm im still deciding\x01");
1023 irc_notice_user(bot, user, response);
1024 }
1025 return;
1026 }
1027
1028 if (service->msg_hook && service->msg_hook(user, bot, text, server_qualified))
1029 return;
1030 svccmd_invoke(user, service, NULL, text, server_qualified);
1031 }
1032
1033 void
1034 modcmd_chanmsg(struct userNode *user, struct chanNode *chan, const char *text, struct userNode *bot, unsigned int is_notice, UNUSED_ARG(void *extra)) {
1035 struct service *service;
1036 if (!(service = dict_find(services, bot->nick, NULL)))
1037 return;
1038 svccmd_invoke(user, service, chan, text, 0);
1039 (void)is_notice;
1040 }
1041
1042 struct service *
1043 service_register(struct userNode *bot) {
1044 struct service *service;
1045 if ((service = dict_find(services, bot->nick, NULL)))
1046 return service;
1047 service = calloc(1, sizeof(*service));
1048 module_list_init(&service->modules);
1049 service->commands = dict_new();
1050 service->bot = bot;
1051 dict_set_free_data(service->commands, free_service_command);
1052 dict_insert(services, service->bot->nick, service);
1053 reg_privmsg_func(bot, modcmd_privmsg);
1054 return service;
1055 }
1056
1057 struct service *
1058 service_find(const char *name) {
1059 return dict_find(services, name, NULL);
1060 }
1061
1062 static void
1063 svccmd_insert(struct service *service, char *name, struct svccmd *svccmd, struct modcmd *modcmd) {
1064 unsigned int ii;
1065 svccmd->parent = service;
1066 svccmd->name = name;
1067 svccmd->command = modcmd;
1068 svccmd->command->bind_count++;
1069 dict_insert(service->commands, svccmd->name, svccmd);
1070 for (ii=0; ii<service->modules.used; ++ii) {
1071 if (service->modules.list[ii] == svccmd->command->parent) break;
1072 }
1073 if (ii == service->modules.used) {
1074 module_list_append(&service->modules, svccmd->command->parent);
1075 }
1076 }
1077
1078 struct svccmd *
1079 service_bind_modcmd(struct service *service, struct modcmd *cmd, const char *name) {
1080 struct svccmd *svccmd;
1081 if ((svccmd = dict_find(service->commands, name, NULL))) {
1082 if (svccmd->command == cmd) return svccmd;
1083 log_module(MAIN_LOG, LOG_ERROR, "Tried to bind command %s.%s into service %s as %s, but already bound (as %s.%s).", cmd->parent->name, cmd->name, service->bot->nick, name, svccmd->command->parent->name, svccmd->command->name);
1084 return NULL;
1085 }
1086 svccmd = calloc(1, sizeof(*svccmd));
1087 svccmd_insert(service, strdup(name), svccmd, cmd);
1088 svccmd_copy_rules(svccmd, cmd->defaults);
1089 return svccmd;
1090 }
1091
1092 static unsigned int
1093 service_bind_module(struct service *service, struct module *module) {
1094 dict_iterator_t it;
1095 struct modcmd *modcmd;
1096 unsigned int count;
1097
1098 count = 0;
1099 for (it = dict_first(module->commands); it; it = iter_next(it)) {
1100 modcmd = iter_data(it);
1101 if (!((modcmd->flags | modcmd->defaults->flags) & MODCMD_NO_DEFAULT_BIND))
1102 if (service_bind_modcmd(service, modcmd, iter_key(it)))
1103 count++;
1104 }
1105 return count;
1106 }
1107
1108 /* This MUST return argc if the alias expansion code knows how to deal
1109 * with every argument in argv; otherwise, it MUST return the index of
1110 * an argument that the expansion code does not know how to deal with.
1111 */
1112 static unsigned int
1113 check_alias_args(char *argv[], unsigned int argc) {
1114 unsigned int arg;
1115
1116 for (arg=0; arg<argc; ++arg) {
1117 if (argv[arg][0] != '$') {
1118 continue;
1119 } else if (argv[arg][1] == '$') {
1120 continue;
1121 } else if (isdigit(argv[arg][1])) {
1122 char *end_num;
1123 unsigned long tmp;
1124
1125 tmp = strtoul(argv[arg]+1, &end_num, 10);
1126 switch (end_num[0]) {
1127 case 0:
1128 continue;
1129 case '-':
1130 if (end_num[1] == 0)
1131 continue;
1132 else if (isdigit(end_num[1]))
1133 continue;
1134 /* else fall through to default case */
1135 default:
1136 return arg;
1137 }
1138 } else {
1139 switch(argv[arg][1]) {
1140 case 'a':
1141 case 'n':
1142 case 'm':
1143 continue;
1144 default:
1145 return arg;
1146 }
1147 }
1148 }
1149 return arg;
1150 }
1151
1152 static unsigned int
1153 collapse_cmdname(char *argv[], unsigned int argc, char *dest) {
1154 unsigned int ii, pos, arg;
1155 if (!argc) {
1156 dest[0] = 0;
1157 return 0;
1158 }
1159 for (ii=pos=0, arg=0; argv[arg][ii]; ) {
1160 if (argv[arg][ii] == '\\') {
1161 if (argv[arg][ii+1]) {
1162 /* escaping a real character just puts it in literally */
1163 dest[pos++] = argv[arg][++ii];
1164 } else if ((arg+1) == argc) {
1165 /* we ran to the end of the argument list; abort */
1166 break;
1167 } else {
1168 /* escape at end of a word is a space */
1169 dest[pos++] = ' ';
1170 ii = 0;
1171 arg++;
1172 }
1173 } else {
1174 /* normal characters don't need escapes */
1175 dest[pos++] = argv[arg][ii++];
1176 }
1177 }
1178 dest[pos] = 0;
1179 return arg + 1;
1180 }
1181
1182 static MODCMD_FUNC(cmd_bind) {
1183 struct service *service;
1184 struct svccmd *template, *newcmd;
1185 char *svcname, *dot;
1186 char newname[MAXLEN], cmdname[MAXLEN];
1187 unsigned int arg, diff;
1188
1189 assert(argc > 3);
1190 svcname = argv[1];
1191 arg = collapse_cmdname(argv+2, argc-2, newname) + 2;
1192 if (!arg) {
1193 reply("MSG_MISSING_PARAMS", cmd->name);
1194 return 0;
1195 }
1196 diff = collapse_cmdname(argv+arg, argc-arg, cmdname);
1197 if (!diff) {
1198 reply("MSG_MISSING_PARAMS", cmd->name);
1199 return 0;
1200 }
1201 arg += diff;
1202
1203 if (!(service = service_find(svcname))) {
1204 reply("MCMSG_UNKNOWN_SERVICE", svcname);
1205 return 0;
1206 }
1207
1208 if ((newcmd = dict_find(service->commands, newname, NULL))) {
1209 reply("MCMSG_ALREADY_BOUND", service->bot->nick, newname);
1210 return 0;
1211 }
1212
1213 if ((dot = strchr(cmdname, '.')) && (dot[1] == '*') && (dot[2] == 0)) {
1214 unsigned int count;
1215 struct module *module;
1216 *dot = 0;
1217 module = module_find((cmdname[0] == '*') ? cmdname+1 : cmdname);
1218 if (!module) {
1219 reply("MSG_MODULE_UNKNOWN", cmdname);
1220 return 0;
1221 }
1222 count = service_bind_module(service, module);
1223 reply("MCMSG_MODULE_BOUND", count, module->name, service->bot->nick);
1224 return count != 0;
1225 }
1226 newcmd = calloc(1, sizeof(*newcmd));
1227 newcmd->name = strdup(newname);
1228 newcmd->parent = service;
1229 if (!(template = svccmd_resolve_name(newcmd, cmdname))) {
1230 reply("MCMSG_UNKNOWN_COMMAND_2", cmdname, service->bot->nick);
1231 free(newcmd->name);
1232 free(newcmd);
1233 return 0;
1234 }
1235 if (template->alias.used) {
1236 reply("MCMSG_CANNOT_DOUBLE_ALIAS");
1237 free(newcmd->name);
1238 free(newcmd);
1239 return 0;
1240 }
1241
1242 if (argc > arg) {
1243 /* a more complicated alias; fix it up */
1244 unsigned int nn;
1245
1246 arg -= diff;
1247 nn = check_alias_args(argv+arg, argc-arg);
1248 if (nn+arg < argc) {
1249 reply("MCMSG_BAD_ALIAS_ARGUMENT", argv[nn+arg]);
1250 free(newcmd->name);
1251 free(newcmd);
1252 return 0;
1253 }
1254 newcmd->alias.used = newcmd->alias.size = argc-arg;
1255 newcmd->alias.list = calloc(newcmd->alias.size, sizeof(newcmd->alias.list[0]));
1256 for (nn=0; nn<newcmd->alias.used; ++nn)
1257 newcmd->alias.list[nn] = strdup(argv[nn+arg]);
1258 }
1259
1260 svccmd_insert(service, newcmd->name, newcmd, template->command);
1261 svccmd_copy_rules(newcmd, template);
1262 reply("MCMSG_COMMAND_BOUND", newcmd->name, newcmd->parent->bot->nick);
1263 return 1;
1264 }
1265
1266 static int
1267 service_recheck_bindings(struct service *service, struct module *module) {
1268 dict_iterator_t it;
1269 struct svccmd *cmd;
1270
1271 for (it = dict_first(service->commands); it; it = iter_next(it)) {
1272 cmd = iter_data(it);
1273 if (cmd->command->parent == module) return 0;
1274 }
1275 /* No more bindings, remove it from our list. */
1276 module_list_remove(&service->modules, module);
1277 return 1;
1278 }
1279
1280 static svccmd_unbind_func_t *suf_list;
1281 static void **suf_list_extra;
1282 unsigned int suf_size, suf_used;
1283
1284 void
1285 reg_svccmd_unbind_func(svccmd_unbind_func_t handler, void *extra) {
1286 if (suf_used == suf_size) {
1287 if (suf_size) {
1288 suf_size <<= 1;
1289 suf_list = realloc(suf_list, suf_size*sizeof(svccmd_unbind_func_t));
1290 suf_list_extra = realloc(suf_list_extra, suf_size*sizeof(void*));
1291 } else {
1292 suf_size = 8;
1293 suf_list = malloc(suf_size*sizeof(svccmd_unbind_func_t));
1294 suf_list_extra = malloc(suf_size*sizeof(void*));
1295 }
1296 }
1297 suf_list[suf_used] = handler;
1298 suf_list_extra[suf_used++] = extra;
1299 }
1300
1301 static MODCMD_FUNC(cmd_unbind) {
1302 struct service *service;
1303 struct userNode *bot;
1304 struct svccmd *bound;
1305 struct module *module;
1306 const char *svcname;
1307 unsigned int arg, ii;
1308 char cmdname[MAXLEN];
1309
1310 assert(argc > 2);
1311 svcname = argv[1];
1312 arg = collapse_cmdname(argv+2, argc-2, cmdname) + 2;
1313 if (!arg) {
1314 reply("MSG_MISSING_PARAMS", cmd->name);
1315 return 0;
1316 }
1317 if (!(service = service_find(svcname))) {
1318 reply("MCMSG_UNKNOWN_SERVICE", svcname);
1319 return 0;
1320 }
1321 if (!(bound = dict_find(service->commands, cmdname, NULL))) {
1322 reply("MCMSG_NO_COMMAND_BOUND", service->bot->nick, cmdname);
1323 return 0;
1324 }
1325 if ((bound->command->flags & MODCMD_KEEP_BOUND) && (bound->command->bind_count == 1)) {
1326 reply("MCMSG_UNBIND_PROHIBITED", bound->command->name);
1327 return 0;
1328 }
1329
1330 for (ii=0; ii<suf_used; ii++)
1331 suf_list[ii](bound, suf_list_extra[ii]);
1332 /* If this command binding is removing itself, we must take care
1333 * not to dereference it after the dict_remove.
1334 */
1335 bot = cmd->parent->bot;
1336 module = cmd->command->parent;
1337 dict_remove(service->commands, bound->name);
1338 send_message(user, bot, "MCMSG_COMMAND_UNBOUND", cmdname, service->bot->nick);
1339 if (service_recheck_bindings(service, module))
1340 send_message(user, bot, "MCMSG_HELPFILE_UNBOUND", module->name, module->name);
1341 return 1;
1342 }
1343
1344 static MODCMD_FUNC(cmd_readhelp) {
1345 const char *modname;
1346 struct module *module;
1347 struct helpfile *old_helpfile;
1348 struct timeval start, stop;
1349
1350 assert(argc > 1);
1351 modname = argv[1];
1352 if (!(module = module_find(modname))) {
1353 reply("MSG_MODULE_UNKNOWN", modname);
1354 return 0;
1355 }
1356 if (!module->helpfile_name) {
1357 reply("MCMSG_NO_HELPFILE", module->name);
1358 return 0;
1359 }
1360 old_helpfile = module->helpfile;
1361 gettimeofday(&start, NULL);
1362 module->helpfile = open_helpfile(module->helpfile_name, module->expand_help);
1363 if (!module->helpfile) {
1364 module->helpfile = old_helpfile;
1365 reply("MCMSG_HELPFILE_ERROR", module->helpfile_name);
1366 return 0;
1367 }
1368 if (old_helpfile) close_helpfile(old_helpfile);
1369 gettimeofday(&stop, NULL);
1370 stop.tv_sec -= start.tv_sec;
1371 stop.tv_usec -= start.tv_usec;
1372 if (stop.tv_usec < 0) {
1373 stop.tv_sec -= 1;
1374 stop.tv_usec += 1000000;
1375 }
1376 reply("MCMSG_HELPFILE_READ", module->name, stop.tv_sec, stop.tv_usec/1000);
1377 return 1;
1378 }
1379
1380 static MODCMD_FUNC(cmd_help) {
1381 const char *topic;
1382
1383 topic = (argc < 2) ? NULL : unsplit_string(argv+1, argc-1, NULL);
1384 return svccmd_send_help(user, cmd->parent, topic);
1385 }
1386
1387 static MODCMD_FUNC(cmd_timecmd) {
1388 struct timeval start, stop;
1389 char cmd_text[MAXLEN];
1390
1391 unsplit_string(argv+1, argc-1, cmd_text);
1392 gettimeofday(&start, NULL);
1393 svccmd_invoke(user, cmd->parent, channel, cmd_text, 0);
1394 gettimeofday(&stop, NULL);
1395 stop.tv_sec -= start.tv_sec;
1396 stop.tv_usec -= start.tv_usec;
1397 if (stop.tv_usec < 0) {
1398 stop.tv_sec -= 1;
1399 stop.tv_usec += 1000000;
1400 }
1401 reply("MCMSG_COMMAND_TIME", cmd_text, stop.tv_sec, stop.tv_usec);
1402 return 1;
1403 }
1404
1405 static MODCMD_FUNC(cmd_command) {
1406 struct svccmd *svccmd;
1407 const char *cmd_name, *fmt_str;
1408 unsigned int flags, shown_flags, nn, pos;
1409 char buf[MAXLEN];
1410
1411 assert(argc >= 2);
1412 cmd_name = unsplit_string(argv+1, argc-1, NULL);
1413 if (!(svccmd = svccmd_resolve_name(cmd, cmd_name))) {
1414 reply("MCMSG_UNKNOWN_COMMAND_2", cmd_name, cmd->parent->bot->nick);
1415 return 0;
1416 }
1417 pos = snprintf(buf, sizeof(buf), "%s.%s", svccmd->command->parent->name, svccmd->command->name);
1418 if (svccmd->alias.used) {
1419 buf[pos++] = ' ';
1420 unsplit_string((char**)svccmd->alias.list+1, svccmd->alias.used-1, buf+pos);
1421 reply("MCMSG_COMMAND_ALIASES", svccmd->name, buf);
1422 } else {
1423 reply("MCMSG_COMMAND_BINDING", svccmd->name, buf);
1424 }
1425 flags = svccmd->effective_flags;
1426 if ((svccmd->parent && svccmd->parent->privileged && !IsOper(user))
1427 || ((flags & MODCMD_REQUIRE_STAFF)
1428 && !IsOper(user) && !IsNetworkHelper(user) && !IsSupportHelper(user))) {
1429 reply("MCMSG_INSPECTION_REFUSED", svccmd->name);
1430 return 0;
1431 }
1432 if (flags & MODCMD_DISABLED) {
1433 reply("MSG_COMMAND_DISABLED", svccmd->name);
1434 return 1;
1435 }
1436 shown_flags = 0;
1437 if (svccmd->min_opserv_level > 0) {
1438 reply("MCMSG_NEED_OPSERV_LEVEL", svccmd->min_opserv_level);
1439 shown_flags |= MODCMD_REQUIRE_OPER | MODCMD_REQUIRE_AUTHED;
1440 }
1441 if (svccmd->min_channel_access > 0) {
1442 reply("MCMSG_NEED_CHANSERV_LEVEL", svccmd->min_channel_access);
1443 shown_flags |= MODCMD_REQUIRE_CHANUSER | MODCMD_REQUIRE_REGCHAN | MODCMD_REQUIRE_CHANNEL | MODCMD_REQUIRE_AUTHED;
1444 }
1445 if (svccmd->req_account_flags) {
1446 for (nn=pos=0; nn<32; nn++) {
1447 if (!(svccmd->req_account_flags & (1 << nn))) continue;
1448 buf[pos++] = HANDLE_FLAGS[nn];
1449 }
1450 buf[pos] = 0;
1451 reply("MCMSG_NEED_ACCOUNT_FLAGS", buf);
1452 shown_flags |= MODCMD_REQUIRE_AUTHED;
1453 }
1454 if (!flags && !shown_flags) {
1455 reply("MCMSG_NEED_NOTHING", svccmd->name);
1456 return 1;
1457 }
1458 if (flags & ~shown_flags & MODCMD_REQUIRE_HELPING) {
1459 reply("MCMSG_MUST_BE_HELPING");
1460 shown_flags |= MODCMD_REQUIRE_AUTHED | MODCMD_REQUIRE_STAFF;
1461 }
1462 if (flags & ~shown_flags & MODCMD_REQUIRE_STAFF) {
1463 switch (flags & MODCMD_REQUIRE_STAFF) {
1464 default: case MODCMD_REQUIRE_STAFF:
1465 fmt_str = "MCMSG_NEED_STAFF_ACCESS";
1466 break;
1467 case MODCMD_REQUIRE_OPER:
1468 fmt_str = "MCMSG_NEED_STAFF_OPER";
1469 break;
1470 case MODCMD_REQUIRE_NETWORK_HELPER:
1471 fmt_str = "MCMSG_NEED_STAFF_NETHELPER";
1472 break;
1473 case MODCMD_REQUIRE_OPER|MODCMD_REQUIRE_NETWORK_HELPER:
1474 fmt_str = "MCMSG_NEED_STAFF_NETHELPER_OR_OPER";
1475 break;
1476 case MODCMD_REQUIRE_SUPPORT_HELPER:
1477 fmt_str = "MCMSG_NEED_STAFF_SHELPER";
1478 break;
1479 case MODCMD_REQUIRE_OPER|MODCMD_REQUIRE_SUPPORT_HELPER:
1480 fmt_str = "MCMSG_NEED_STAFF_SHELPER_OR_OPER";
1481 break;
1482 case MODCMD_REQUIRE_SUPPORT_HELPER|MODCMD_REQUIRE_NETWORK_HELPER:
1483 fmt_str = "MCMSG_NEED_STAFF_HELPER";
1484 break;
1485 }
1486 reply(fmt_str);
1487 shown_flags |= MODCMD_REQUIRE_AUTHED | MODCMD_REQUIRE_STAFF;
1488 }
1489 if (flags & ~shown_flags & MODCMD_REQUIRE_JOINABLE) {
1490 reply("MCMSG_NEED_JOINABLE");
1491 shown_flags |= MODCMD_REQUIRE_CHANUSER;
1492 }
1493 if (flags & ~shown_flags & MODCMD_REQUIRE_CHANUSER) {
1494 if (flags & ~shown_flags & MODCMD_IGNORE_CSUSPEND)
1495 reply("MCMSG_NEED_CHANUSER_CSUSPENDABLE");
1496 else
1497 reply("MCMSG_NEED_CHANUSER");
1498 shown_flags |= MODCMD_IGNORE_CSUSPEND | MODCMD_REQUIRE_REGCHAN | MODCMD_REQUIRE_CHANNEL | MODCMD_REQUIRE_AUTHED;
1499 }
1500 if (flags & ~shown_flags & MODCMD_REQUIRE_REGCHAN) {
1501 reply("MCMSG_NEED_REGCHAN");
1502 shown_flags |= MODCMD_REQUIRE_CHANNEL;
1503 }
1504 if (flags & ~shown_flags & MODCMD_REQUIRE_CHANNEL)
1505 reply("MCMSG_NEED_CHANNEL");
1506 if (flags & ~shown_flags & MODCMD_REQUIRE_AUTHED)
1507 reply("MCMSG_NEED_AUTHED");
1508 if (flags & ~shown_flags & MODCMD_TOY)
1509 reply("MCMSG_IS_TOY", svccmd->name);
1510 if (flags & ~shown_flags & MODCMD_REQUIRE_QUALIFIED) {
1511 const char *botnick = svccmd->parent ? svccmd->parent->bot->nick : "SomeBot";
1512 reply("MCMSG_MUST_QUALIFY", botnick, svccmd->name, botnick);
1513 }
1514 reply("MCMSG_END_REQUIREMENTS", svccmd->name);
1515 return 1;
1516 }
1517
1518 static void
1519 modcmd_describe_command(struct userNode *user, struct svccmd *cmd, struct svccmd *target) {
1520 char buf1[MAXLEN], buf2[MAXLEN];
1521 unsigned int ii, len, buf1_used, buf2_used;
1522
1523 if (target->alias.used) {
1524 unsplit_string((char**)target->alias.list, target->alias.used, buf1);
1525 reply("MCMSG_COMMAND_ALIASES", target->name, buf1);
1526 } else {
1527 snprintf(buf1, sizeof(buf1), "%s.%s", target->command->parent->name, target->command->name);
1528 reply("MCMSG_COMMAND_BINDING", target->name, buf1);
1529 }
1530 for (ii = buf1_used = buf2_used = 0; modcmd_flags[ii].name; ++ii) {
1531 const struct modcmd_flag *flag = &modcmd_flags[ii];
1532 if (target->flags & flag->flag) {
1533 if (buf1_used)
1534 buf1[buf1_used++] = ',';
1535 len = strlen(flag->name);
1536 memcpy(buf1 + buf1_used, flag->name, len);
1537 buf1_used += len;
1538 } else if (target->effective_flags & flag->flag) {
1539 if (buf2_used)
1540 buf2[buf2_used++] = ',';
1541 len = strlen(flag->name);
1542 memcpy(buf2 + buf2_used, flag->name, len);
1543 buf2_used += len;
1544 }
1545 }
1546 if (buf1_used)
1547 buf1[buf1_used] = '\0';
1548 else
1549 strcpy(buf1, user_find_message(user, "MSG_NONE"));
1550 if (buf2_used)
1551 buf2[buf2_used] = '\0';
1552 else
1553 strcpy(buf2, user_find_message(user, "MSG_NONE"));
1554 reply("MCMSG_COMMAND_FLAGS", buf1, buf2);
1555 for (ii = buf1_used = buf2_used = 0; handle_flags[ii]; ++ii) {
1556 if (target->req_account_flags & (1 << ii))
1557 buf1[buf1_used++] = handle_flags[ii];
1558 else if (target->deny_account_flags & (1 << ii))
1559 buf2[buf2_used++] = handle_flags[ii];
1560 }
1561 buf1[buf1_used] = buf2[buf2_used] = '\0';
1562 reply("MCMSG_COMMAND_ACCOUNT_FLAGS", buf1, buf2);
1563 reply("MCMSG_COMMAND_ACCESS_LEVEL", target->min_channel_access, target->min_opserv_level);
1564 reply("MCMSG_COMMAND_USES", target->name, target->uses);
1565 }
1566
1567 static MODCMD_FUNC(cmd_modcmd) {
1568 struct svccmd *svccmd;
1569 unsigned int arg, changed;
1570 char cmdname[MAXLEN];
1571
1572 assert(argc >= 2);
1573 arg = collapse_cmdname(argv+1, argc-1, cmdname) + 1;
1574 if (!arg) {
1575 reply("MSG_MISSING_PARAMS", cmd->name);
1576 return 0;
1577 }
1578 if (!(svccmd = svccmd_resolve_name(cmd, cmdname))) {
1579 reply("MCMSG_UNKNOWN_COMMAND_2", cmdname, cmd->parent->bot->nick);
1580 return 0;
1581 }
1582 for (changed = 0; arg+1 < argc; arg += 2) {
1583 if (svccmd_configure(svccmd, user, cmd->parent->bot, argv[arg], argv[arg+1])) {
1584 reply("MCMSG_COMMAND_MODIFIED", argv[arg], svccmd->name);
1585 changed = 1;
1586 }
1587 }
1588 if (changed)
1589 modcmd_set_effective_flags(svccmd);
1590 modcmd_describe_command(user, cmd, svccmd);
1591 return changed;
1592 }
1593
1594 static void
1595 timeout_god(void *data)
1596 {
1597 extern struct userNode *chanserv;
1598 struct userNode *user = data;
1599
1600 if(!user || !IsHelping(user)) return;
1601
1602 HANDLE_CLEAR_FLAG(user->handle_info, HELPING);
1603 send_message(user, chanserv, "MCMSG_GOD_EXPIRED");
1604 }
1605
1606 static MODCMD_FUNC(cmd_god) {
1607 int helping;
1608
1609 if (argc > 1) {
1610 if (enabled_string(argv[1])) {
1611 if (HANDLE_FLAGGED(user->handle_info, HELPING)) {
1612 reply("MCMSG_ALREADY_HELPING");
1613 return 0;
1614 }
1615 helping = 1;
1616 } else if (disabled_string(argv[1])) {
1617 if (!HANDLE_FLAGGED(user->handle_info, HELPING)) {
1618 reply("MCMSG_ALREADY_NOT_HELPING");
1619 return 0;
1620 }
1621 helping = 0;
1622 } else {
1623 reply("MSG_INVALID_BINARY", argv[1]);
1624 return 0;
1625 }
1626 } else {
1627 helping = !IsHelping(user);
1628 }
1629
1630 if (helping) {
1631 HANDLE_SET_FLAG(user->handle_info, HELPING);
1632 timeq_add(now + god_timeout, timeout_god, user);
1633 reply("MCMSG_NOW_HELPING");
1634 } else {
1635 HANDLE_CLEAR_FLAG(user->handle_info, HELPING);
1636 timeq_del(0, timeout_god, user, TIMEQ_IGNORE_WHEN);
1637 reply("MCMSG_NOW_NOT_HELPING");
1638 }
1639
1640 return 1;
1641 }
1642
1643 static MODCMD_FUNC(cmd_joiner) {
1644 char cmdname[MAXLEN];
1645
1646 if (argc < 2) {
1647 int len = sprintf(cmdname, "%s ", cmd->name);
1648 dict_iterator_t it;
1649 struct string_buffer sbuf;
1650
1651 string_buffer_init(&sbuf);
1652 for (it = dict_first(cmd->parent->commands); it; it = iter_next(it)) {
1653 if (!ircncasecmp(iter_key(it), cmdname, len)) {
1654 if (sbuf.used) string_buffer_append_string(&sbuf, ", ");
1655 string_buffer_append_string(&sbuf, iter_key(it));
1656 }
1657 }
1658 if (!sbuf.used) string_buffer_append(&sbuf, 0);
1659 reply("MCMSG_JOINER_CHOICES", cmd->name, sbuf.list);
1660 string_buffer_clean(&sbuf);
1661 return 1;
1662 }
1663 sprintf(cmdname, "%s %s", cmd->name, argv[1]);
1664 argv[1] = cmdname;
1665 svccmd_invoke_argv(user, cmd->parent, channel, argc-1, argv+1, 0);
1666 return 0; /* never try to log this; the recursive one logs it */
1667 }
1668
1669 static MODCMD_FUNC(cmd_stats_modules) {
1670 struct helpfile_table tbl;
1671 dict_iterator_t it;
1672 unsigned int ii;
1673 struct module *mod;
1674 struct modcmd *modcmd;
1675
1676 if (argc < 2) {
1677 tbl.length = dict_size(modules) + 1;
1678 tbl.width = 3;
1679 tbl.flags = TABLE_PAD_LEFT;
1680 tbl.contents = calloc(tbl.length, sizeof(tbl.contents[0]));
1681 tbl.contents[0] = calloc(tbl.width, sizeof(tbl.contents[0][0]));
1682 tbl.contents[0][0] = "Module";
1683 tbl.contents[0][1] = "Commands";
1684 tbl.contents[0][2] = "Helpfile";
1685 for (ii=1, it=dict_first(modules); it; it=iter_next(it), ii++) {
1686 mod = iter_data(it);
1687 tbl.contents[ii] = calloc(tbl.width, sizeof(tbl.contents[ii][0]));
1688 tbl.contents[ii][0] = mod->name;
1689 tbl.contents[ii][1] = strtab(dict_size(mod->commands));
1690 tbl.contents[ii][2] = mod->helpfile_name ? mod->helpfile_name : "(none)";
1691 }
1692 } else if (!(mod = dict_find(modules, argv[1], NULL))) {
1693 reply("MCMSG_UNKNOWN_MODULE", argv[1]);
1694 return 0;
1695 } else {
1696 reply("MCMSG_MODULE_INFO", mod->name);
1697 tbl.length = dict_size(mod->commands) + 1;
1698 tbl.width = 3;
1699 tbl.flags = TABLE_PAD_LEFT;
1700 tbl.contents = calloc(tbl.length, sizeof(tbl.contents[0]));
1701 tbl.contents[0] = calloc(tbl.width, sizeof(tbl.contents[0][0]));
1702 tbl.contents[0][0] = "Command";
1703 tbl.contents[0][1] = "Min. Args";
1704 tbl.contents[0][2] = "Bind Count";
1705 for (ii=1, it=dict_first(mod->commands); it; it=iter_next(it), ii++) {
1706 modcmd = iter_data(it);
1707 tbl.contents[ii] = calloc(tbl.width, sizeof(tbl.contents[ii][0]));
1708 tbl.contents[ii][0] = modcmd->name;
1709 tbl.contents[ii][1] = strtab(modcmd->min_argc);
1710 tbl.contents[ii][2] = strtab(modcmd->bind_count);
1711 }
1712 }
1713 table_send(cmd->parent->bot, user->nick, 0, 0, tbl);
1714 return 0;
1715 }
1716
1717 static MODCMD_FUNC(cmd_stats_services) {
1718 struct helpfile_table tbl;
1719 dict_iterator_t it;
1720 unsigned int ii;
1721 struct service *service;
1722 struct svccmd *svccmd;
1723 char *extra;
1724
1725 if (argc < 2) {
1726 tbl.length = dict_size(services) + 1;
1727 tbl.width = 4;
1728 tbl.flags = TABLE_PAD_LEFT;
1729 tbl.contents = calloc(tbl.length, sizeof(tbl.contents[0]));
1730 tbl.contents[0] = calloc(tbl.width, sizeof(tbl.contents[0][0]));
1731 tbl.contents[0][0] = "Service";
1732 tbl.contents[0][1] = "Commands";
1733 tbl.contents[0][2] = "Priv'd?";
1734 tbl.contents[0][3] = "Trigger";
1735 extra = calloc(2, tbl.length);
1736 for (ii=1, it=dict_first(services); it; it=iter_next(it), ii++) {
1737 service = iter_data(it);
1738 tbl.contents[ii] = calloc(tbl.width, sizeof(tbl.contents[ii][0]));
1739 tbl.contents[ii][0] = service->bot->nick;
1740 tbl.contents[ii][1] = strtab(dict_size(service->commands));
1741 tbl.contents[ii][2] = service->privileged ? "yes" : "no";
1742 extra[ii*2] = service->trigger;
1743 tbl.contents[ii][3] = extra+ii*2;
1744 }
1745 table_send(cmd->parent->bot, user->nick, 0, 0, tbl);
1746 free(extra);
1747 return 0;
1748 } else if (!(service = dict_find(services, argv[1], NULL))) {
1749 reply("MCMSG_UNKNOWN_SERVICE", argv[1]);
1750 return 0;
1751 } else {
1752 tbl.length = dict_size(service->commands) + 1;
1753 tbl.width = 5;
1754 tbl.flags = TABLE_PAD_LEFT | TABLE_NO_FREE;
1755 tbl.contents = calloc(tbl.length, sizeof(tbl.contents[0]));
1756 tbl.contents[0] = calloc(tbl.width, sizeof(tbl.contents[0][0]));
1757 tbl.contents[0][0] = "Command";
1758 tbl.contents[0][1] = "Module";
1759 tbl.contents[0][2] = "ModCmd";
1760 tbl.contents[0][3] = "Alias?";
1761 tbl.contents[0][4] = strdup("Uses");
1762 for (ii=1, it=dict_first(service->commands); it; it=iter_next(it), ii++) {
1763 svccmd = iter_data(it);
1764 tbl.contents[ii] = calloc(tbl.width, sizeof(tbl.contents[ii][0]));
1765 tbl.contents[ii][0] = svccmd->name;
1766 tbl.contents[ii][1] = svccmd->command->parent->name;
1767 tbl.contents[ii][2] = svccmd->command->name;
1768 tbl.contents[ii][3] = svccmd->alias.used ? "yes" : "no";
1769 tbl.contents[ii][4] = extra = malloc(12);
1770 sprintf(extra, "%u", svccmd->uses);
1771 }
1772 reply("MCMSG_SERVICE_INFO", service->bot->nick);
1773 table_send(cmd->parent->bot, user->nick, 0, 0, tbl);
1774 for (ii=0; ii<tbl.length; ii++) {
1775 free((char*)tbl.contents[ii][4]);
1776 free(tbl.contents[ii]);
1777 }
1778 free(tbl.contents);
1779 return 0;
1780 }
1781 }
1782
1783 static MODCMD_FUNC(cmd_showcommands) {
1784 struct svccmd_list commands;
1785 struct helpfile_table tbl;
1786 struct svccmd *svccmd;
1787 dict_iterator_t it;
1788 unsigned int ii, ignore_flags = 0;
1789 unsigned int max_opserv_level = 1000;
1790 unsigned short max_chanserv_level = 500;
1791 char show_opserv_level = 0, show_channel_access = 0;
1792
1793 /* Check to see what the max access they want to see is. */
1794 for (ii=1; ii<argc; ++ii) {
1795 if (isdigit(argv[ii][0]))
1796 max_opserv_level = atoi(argv[ii]);
1797 else
1798 max_chanserv_level = user_level_from_name(argv[ii], UL_OWNER);
1799 }
1800
1801 /* Find the matching commands. */
1802 svccmd_list_init(&commands);
1803 if (cmd->parent->privileged)
1804 ignore_flags = MODCMD_REQUIRE_OPER;
1805 for (it = dict_first(cmd->parent->commands); it; it = iter_next(it)) {
1806 svccmd = iter_data(it);
1807 if (strchr(svccmd->name, ' '))
1808 continue;
1809 if (!svccmd_can_invoke(user, svccmd->parent->bot, svccmd, channel, SVCCMD_QUALIFIED))
1810 continue;
1811 if (svccmd->min_opserv_level > max_opserv_level)
1812 continue;
1813 if (svccmd->min_channel_access > max_chanserv_level)
1814 continue;
1815 if (svccmd->min_opserv_level > 0)
1816 show_opserv_level = 1;
1817 if (svccmd->min_channel_access > 0)
1818 show_channel_access = 1;
1819 if (svccmd->effective_flags
1820 & (MODCMD_REQUIRE_STAFF|MODCMD_REQUIRE_HELPING)
1821 & ~ignore_flags) {
1822 show_channel_access = 1;
1823 }
1824 svccmd_list_append(&commands, svccmd);
1825 }
1826
1827 /* Build the table. */
1828 tbl.length = commands.used + 1;
1829 tbl.width = 1 + show_opserv_level + show_channel_access;
1830 tbl.flags = TABLE_REPEAT_ROWS;
1831 tbl.contents = calloc(tbl.length, sizeof(tbl.contents[0]));
1832 tbl.contents[0] = calloc(tbl.width, sizeof(tbl.contents[0][0]));
1833 tbl.contents[0][ii = 0] = "Command";
1834 if (show_opserv_level)
1835 tbl.contents[0][++ii] = "OpServ Level";
1836 if (show_channel_access)
1837 tbl.contents[0][++ii] = "ChanServ Access";
1838 for (ii=0; ii<commands.used; ++ii) {
1839 svccmd = commands.list[ii];
1840 tbl.contents[ii+1] = calloc(tbl.width, sizeof(tbl.contents[0][0]));
1841 tbl.contents[ii+1][0] = svccmd->name;
1842 if (show_opserv_level)
1843 tbl.contents[ii+1][1] = strtab(svccmd->min_opserv_level);
1844 if (show_channel_access) {
1845 const char *access_name;
1846 int flags = svccmd->effective_flags;
1847 if (flags & MODCMD_REQUIRE_HELPING)
1848 access_name = "helping";
1849 else if (flags & MODCMD_REQUIRE_STAFF) {
1850 if (flags & MODCMD_REQUIRE_OPER)
1851 access_name = "oper";
1852 else if (flags & MODCMD_REQUIRE_NETWORK_HELPER)
1853 access_name = "net.helper";
1854 else
1855 access_name = "staff";
1856 } else
1857 access_name = strtab(svccmd->min_channel_access);
1858 tbl.contents[ii+1][1+show_opserv_level] = access_name;
1859 }
1860 }
1861 svccmd_list_clean(&commands);
1862 table_send(cmd->parent->bot, user->nick, 0, 0, tbl);
1863 return 0;
1864 }
1865
1866 static MODCMD_FUNC(cmd_helpfiles) {
1867 struct service *service;
1868 unsigned int ii;
1869
1870 if (!(service = dict_find(services, argv[1], NULL))) {
1871 reply("MCMSG_UNKNOWN_SERVICE", argv[1]);
1872 return 0;
1873 }
1874
1875 if (argc < 3) {
1876 for (ii=0; ii<service->modules.used; ++ii)
1877 reply("MCMSG_HELPFILE_SEQUENCE", ii+1, service->modules.list[ii]->name);
1878 return 0;
1879 }
1880
1881 service->modules.used = 0;
1882 for (ii=0; ii<argc-2; ii++) {
1883 struct module *module = dict_find(modules, argv[ii+2], NULL);
1884 if (!module) {
1885 reply("MCMSG_UNKNOWN_MODULE", argv[ii+2]);
1886 continue;
1887 }
1888 module_list_append(&service->modules, module);
1889 }
1890 reply("MCMSG_HELPFILE_SEQUENCE_SET", service->bot->nick);
1891 return 1;
1892 }
1893
1894 static MODCMD_FUNC(cmd_service_add) {
1895 const char *nick, *hostname, *desc;
1896 struct userNode *bot;
1897
1898 nick = argv[1];
1899 if (!is_valid_nick(nick)) {
1900 reply("MCMSG_BAD_SERVICE_NICK", nick);
1901 return 0;
1902 }
1903 hostname = argv[2];
1904 desc = unsplit_string(argv+3, argc-3, NULL);
1905 bot = GetUserH(nick);
1906 if (bot && IsService(bot)) {
1907 reply("MCMSG_ALREADY_SERVICE", bot->nick);
1908 return 0;
1909 }
1910 bot = AddLocalUser(nick, nick, hostname, desc, NULL);
1911 service_register(bot);
1912 reply("MCMSG_NEW_SERVICE", bot->nick);
1913 return 1;
1914 }
1915
1916 static MODCMD_FUNC(cmd_service_rename) {
1917 struct service *service;
1918
1919 if (!(service = service_find(argv[1]))) {
1920 reply("MCMSG_UNKNOWN_SERVICE", argv[1]);
1921 return 0;
1922 }
1923 NickChange(service->bot, argv[2], 0);
1924 reply("MCMSG_SERVICE_RENAMED", service->bot->nick);
1925 return 1;
1926 }
1927
1928 static MODCMD_FUNC(cmd_service_trigger) {
1929 struct userNode *bogon;
1930 struct service *service;
1931
1932 if (!(service = service_find(argv[1]))) {
1933 reply("MCMSG_UNKNOWN_SERVICE", argv[1]);
1934 return 0;
1935 }
1936 if (argc < 3) {
1937 if (service->trigger)
1938 reply("MCMSG_CURRENT_TRIGGER", service->bot->nick, service->trigger);
1939 else
1940 reply("MCMSG_NO_TRIGGER", service->bot->nick);
1941 return 1;
1942 }
1943 if (service->trigger)
1944 reg_chanmsg_func(service->trigger, NULL, NULL, NULL);
1945 if (!irccasecmp(argv[2], "none") || !irccasecmp(argv[2], "remove")) {
1946 service->trigger = 0;
1947 reply("MCMSG_REMOVED_TRIGGER", service->bot->nick);
1948 } else if ((bogon = get_chanmsg_bot(argv[2][0]))) {
1949 reply("MCMSG_DUPLICATE_TRIGGER", bogon->nick, argv[2][0]);
1950 return 1;
1951 } else {
1952 service->trigger = argv[2][0];
1953 reg_chanmsg_func(service->trigger, service->bot, modcmd_chanmsg, NULL);
1954 reply("MCMSG_NEW_TRIGGER", service->bot->nick, service->trigger);
1955 }
1956 return 1;
1957 }
1958
1959 static MODCMD_FUNC(cmd_service_privileged) {
1960 struct service *service;
1961 const char *newval;
1962
1963 if (!(service = service_find(argv[1]))) {
1964 reply("MCMSG_UNKNOWN_SERVICE", argv[1]);
1965 return 0;
1966 }
1967 if (argc >= 3)
1968 service->privileged = true_string(argv[2]) || enabled_string(argv[2]);
1969 newval = user_find_message(user, service->privileged ? "MSG_ON" : "MSG_OFF");
1970 reply("MCMSG_SERVICE_PRIVILEGED", service->bot->nick, newval);
1971 return 1;
1972 }
1973
1974 static MODCMD_FUNC(cmd_service_remove) {
1975 char *name, *reason;
1976 struct service *service;
1977
1978 name = argv[1];
1979 if (argc > 2)
1980 reason = unsplit_string(argv+2, argc-2, NULL);
1981 else
1982 reason = "Removing bot";
1983 if (!(service = service_find(name))) {
1984 reply("MCMSG_UNKNOWN_SERVICE", name);
1985 return 0;
1986 }
1987 DelUser(service->bot, NULL, 1, reason);
1988 reply("MCMSG_SERVICE_REMOVED", name);
1989 dict_remove(services, name);
1990 return 1;
1991 }
1992
1993 static MODCMD_FUNC(cmd_dump_messages) {
1994 const char *fname = "strings.db";
1995 struct saxdb_context *ctx;
1996 dict_iterator_t it;
1997 FILE *pf;
1998 int res;
1999
2000 if (!(pf = fopen(fname, "w"))) {
2001 reply("MCMSG_FILE_NOT_OPENED", fname);
2002 return 0;
2003 }
2004 if (!(ctx = saxdb_open_context(pf))) {
2005 reply("MSG_INTERNAL_FAILURE");
2006 return 0;
2007 }
2008
2009 if ((res = setjmp(*saxdb_jmp_buf(ctx))) != 0) {
2010 saxdb_close_context(ctx, 1);
2011 reply("MCMSG_MESSAGE_DUMP_FAILED", strerror(res));
2012 return 0;
2013 } else {
2014 for (it = dict_first(lang_C->messages); it; it = iter_next(it))
2015 saxdb_write_string(ctx, iter_key(it), iter_data(it));
2016 saxdb_close_context(ctx, 1);
2017 reply("MCMSG_MESSAGES_DUMPED", fname);
2018 return 1;
2019 }
2020 }
2021
2022 static MODCMD_FUNC(cmd_version) {
2023 send_message_type(4, user, cmd->parent->bot, "$b"PACKAGE_STRING"+[%s]$b (Based on srvx 1.3.x), Built: "__DATE__", "__TIME__".", cvs_verstring());
2024 send_message_type(4, user, cmd->parent->bot, "See $bCREDITS$b for more information.");
2025 return 1;
2026 }
2027
2028 /* This function provides copyright management information to end
2029 * users of X3. You should not alter, disable or remove this
2030 * command or its accessibility to normal IRC users, except to add
2031 * copyright information pertaining to changes you make to X3.
2032 */
2033 static MODCMD_FUNC(cmd_credits) {
2034 send_message_type(4, user, cmd->parent->bot, "$b"PACKAGE"$b is based on srvx");
2035 send_message_type(4, user, cmd->parent->bot, "Copyright 2000-2007 srvx Development Team.");
2036 send_message_type(4, user, cmd->parent->bot, "Copyright 2004-2007 X3 Development Team.");
2037 send_message_type(4, user, cmd->parent->bot, "This software is OSI Certified Open Source Software.");
2038 send_message_type(4, user, cmd->parent->bot, "OSI Certified is a certification mark of the Open Source Initiative.");
2039 send_message_type(4, user, cmd->parent->bot, "$b$b");
2040 send_message_type(4, user, cmd->parent->bot, "The srvx 1.3.x Development Team includes Paul Chang, Adrian Dewhurst, Miles Peterson, Michael Poole and others.");
2041 send_message_type(4, user, cmd->parent->bot, "The X3 Development Team includes Alex Schumann, Reed Loden, Neil Spierling.");
2042 send_message_type(4, user, cmd->parent->bot, "The X3 Development Team can be reached at http://evilnet.sourceforge.net or in #evilnet on irc.afternet.org.");
2043 send_message_type(4, user, cmd->parent->bot, "$b$b");
2044 send_message_type(4, user, cmd->parent->bot, "Thanks goes to ThiefMaster, Joe Hansche (joeatrr), Martijn Smit (wasted), and to any other people who have contributed to X3.");
2045 send_message_type(4, user, cmd->parent->bot, "This program is free software; see COPYING in the distribution files.");
2046
2047 return 1;
2048 }
2049
2050 static void create_default_binds(int rebind);
2051
2052 static MODCMD_FUNC(cmd_rebindall) {
2053 send_message_type(4, user, cmd->parent->bot, "$bRe-binding all default commands to respective services..$b");
2054 create_default_binds(1);
2055 return 1;
2056 }
2057
2058 static MODCMD_FUNC(cmd_tell) {
2059 struct userNode *target;
2060 char *msg;
2061
2062 target = GetUserH(argv[1]);
2063 msg = unsplit_string(argv + 2, argc - 2, NULL);
2064 if (!target) {
2065 reply("MSG_NOT_TARGET_NAME");
2066 return 0;
2067 }
2068 send_message_type(MSG_TYPE_NOXLATE, target, cmd->parent->bot, "%s", msg);
2069 return 1;
2070 }
2071
2072 void
2073 modcmd_nick_change(struct userNode *user, const char *old_nick, UNUSED_ARG(void *extra)) {
2074 struct service *svc;
2075 if (!(svc = dict_find(services, old_nick, NULL)))
2076 return;
2077 dict_remove2(services, old_nick, 1);
2078 dict_insert(services, user->nick, svc);
2079 }
2080
2081 void
2082 modcmd_cleanup(UNUSED_ARG(void* extra)) {
2083 dict_delete(services);
2084 dict_delete(modules);
2085 if (suf_list)
2086 free(suf_list);
2087 if (suf_list_extra)
2088 free(suf_list_extra);
2089 }
2090
2091 static void
2092 modcmd_saxdb_write_command(struct saxdb_context *ctx, struct svccmd *cmd) {
2093 char buf[MAXLEN];
2094 unsigned int nn, len, pos;
2095 struct svccmd *template = cmd->command->defaults;
2096
2097 saxdb_start_record(ctx, cmd->name, 0);
2098 sprintf(buf, "%s.%s", cmd->command->parent->name, cmd->command->name);
2099 saxdb_write_string(ctx, "command", buf);
2100 if (cmd->alias.used)
2101 saxdb_write_string_list(ctx, "aliased", &cmd->alias);
2102 if (cmd->min_opserv_level != template->min_opserv_level)
2103 saxdb_write_int(ctx, "oper_access", cmd->min_opserv_level);
2104 if (cmd->min_channel_access != template->min_channel_access)
2105 saxdb_write_int(ctx, "channel_access", cmd->min_channel_access);
2106 if (cmd->flags != template->flags) {
2107 if (cmd->flags) {
2108 for (nn=pos=0; modcmd_flags[nn].name; ++nn) {
2109 const struct modcmd_flag *flag = &modcmd_flags[nn];
2110 if (cmd->flags & flag->flag) {
2111 buf[pos++] = '+';
2112 len = strlen(flag->name);
2113 memcpy(buf+pos, flag->name, len);
2114 pos += len;
2115 buf[pos++] = ',';
2116 }
2117 }
2118 } else {
2119 pos = 1;
2120 }
2121 buf[--pos] = 0;
2122 saxdb_write_string(ctx, "flags", buf);
2123 }
2124 if ((cmd->req_account_flags != template->req_account_flags)
2125 || (cmd->deny_account_flags != template->req_account_flags)) {
2126 pos = 0;
2127 if (cmd->req_account_flags) {
2128 buf[pos++] = '+';
2129 for (nn=0; nn<32; nn++)
2130 if (cmd->req_account_flags & (1 << nn))
2131 buf[pos++] = handle_flags[nn];
2132 }
2133 if (cmd->deny_account_flags) {
2134 buf[pos++] = '-';
2135 for (nn=0; nn<32; nn++)
2136 if (cmd->deny_account_flags & (1 << nn))
2137 buf[pos++] = handle_flags[nn];
2138 }
2139 buf[pos] = 0;
2140 saxdb_write_string(ctx, "account_flags", buf);
2141 }
2142 saxdb_end_record(ctx);
2143 }
2144
2145 static int
2146 modcmd_saxdb_write(struct saxdb_context *ctx) {
2147 struct string_list slist;
2148 dict_iterator_t it, it2;
2149 struct service *service;
2150 unsigned int ii;
2151
2152 saxdb_start_record(ctx, "bots", 1);
2153 for (it = dict_first(services); it; it = iter_next(it)) {
2154 char buff[16];
2155 char modes[32];
2156
2157 service = iter_data(it);
2158 saxdb_start_record(ctx, service->bot->nick, 1);
2159 if (service->trigger) {
2160 buff[0] = service->trigger;
2161 buff[1] = '\0';
2162 saxdb_write_string(ctx, "trigger", buff);
2163 }
2164 saxdb_write_string(ctx, "description", service->bot->info);
2165 saxdb_write_string(ctx, "hostname", service->bot->hostname);
2166 if (service->bot->modes) {
2167 irc_user_modes(service->bot, modes, sizeof(modes));
2168 saxdb_write_string(ctx, "modes", modes);
2169 }
2170 if (service->privileged)
2171 saxdb_write_string(ctx, "privileged", "1");
2172 saxdb_end_record(ctx);
2173 }
2174 saxdb_end_record(ctx);
2175
2176 saxdb_start_record(ctx, "services", 1);
2177 for (it = dict_first(services); it; it = iter_next(it)) {
2178 service = iter_data(it);
2179 saxdb_start_record(ctx, service->bot->nick, 1);
2180 for (it2 = dict_first(service->commands); it2; it2 = iter_next(it2))
2181 modcmd_saxdb_write_command(ctx, iter_data(it2));
2182 saxdb_end_record(ctx);
2183 }
2184 saxdb_end_record(ctx);
2185
2186 saxdb_start_record(ctx, "helpfiles", 1);
2187 slist.size = 0;
2188 for (it = dict_first(services); it; it = iter_next(it)) {
2189 service = iter_data(it);
2190 slist.used = 0;
2191 for (ii = 0; ii < service->modules.used; ++ii)
2192 string_list_append(&slist, service->modules.list[ii]->name);
2193 saxdb_write_string_list(ctx, iter_key(it), &slist);
2194 }
2195 if (slist.list)
2196 free(slist.list);
2197 saxdb_end_record(ctx);
2198
2199 return 0;
2200 }
2201
2202 static int
2203 append_entry(const char *key, UNUSED_ARG(void *data), void *extra) {
2204 struct helpfile_expansion *exp = extra;
2205 int row = exp->value.table.length++;
2206 exp->value.table.contents[row] = calloc(1, sizeof(char*));
2207 exp->value.table.contents[row][0] = key;
2208 return 0;
2209 }
2210
2211 static struct helpfile_expansion
2212 modcmd_expand(const char *variable) {
2213 struct helpfile_expansion exp;
2214 extern struct userNode *message_source;
2215 struct service *service;
2216
2217 service = dict_find(services, message_source->nick, NULL);
2218 if (!irccasecmp(variable, "index")) {
2219 exp.type = HF_TABLE;
2220 exp.value.table.length = 1;
2221 exp.value.table.width = 1;
2222 exp.value.table.flags = TABLE_REPEAT_ROWS | TABLE_NO_HEADERS;
2223 exp.value.table.contents = calloc(dict_size(service->commands)+1, sizeof(char**));
2224 exp.value.table.contents[0] = calloc(1, sizeof(char*));
2225 exp.value.table.contents[0][0] = "Commands";
2226 dict_foreach(service->commands, append_entry, &exp);
2227 return exp;
2228 } else if (!irccasecmp(variable, "languages")) {
2229 struct string_buffer sbuf;
2230 dict_iterator_t it;
2231 sbuf.used = sbuf.size = 0;
2232 sbuf.list = NULL;
2233 for (it = dict_first(languages); it; it = iter_next(it)) {
2234 string_buffer_append_string(&sbuf, iter_key(it));
2235 string_buffer_append(&sbuf, ' ');
2236 }
2237 sbuf.list[--sbuf.used] = 0;
2238 exp.type = HF_STRING;
2239 exp.value.str = sbuf.list;
2240 return exp;
2241 }
2242 exp.type = HF_STRING;
2243 exp.value.str = NULL;
2244 return exp;
2245 }
2246
2247 static void
2248 modcmd_load_bots(struct dict *db, int default_nick) {
2249 dict_iterator_t it;
2250
2251 for (it = dict_first(db); it; it = iter_next(it)) {
2252 struct record_data *rd;
2253 struct service *svc;
2254 const char *nick, *desc, *hostname, *modes;
2255
2256 rd = iter_data(it);
2257 if (rd->type != RECDB_OBJECT) {
2258 log_module(MAIN_LOG, LOG_ERROR, "Bad type for 'bots/%s' in modcmd db (expected object).", iter_key(it));
2259 continue;
2260 }
2261 nick = database_get_data(rd->d.object, "nick", RECDB_QSTRING);
2262 if (!nick) {
2263 if (default_nick)
2264 nick = iter_key(it);
2265 else
2266 continue;
2267 }
2268 svc = service_find(nick);
2269 desc = database_get_data(rd->d.object, "description", RECDB_QSTRING);
2270 hostname = database_get_data(rd->d.object, "hostname", RECDB_QSTRING);
2271 modes = database_get_data(rd->d.object, "modes", RECDB_QSTRING);
2272 if (desc) {
2273 if (!svc)
2274 svc = service_register(AddLocalUser(nick, nick, hostname, desc, modes));
2275 else if (hostname)
2276 strcpy(svc->bot->hostname, hostname);
2277 desc = database_get_data(rd->d.object, "trigger", RECDB_QSTRING);
2278 if (desc)
2279 svc->trigger = desc[0];
2280 desc = database_get_data(rd->d.object, "privileged", RECDB_QSTRING);
2281 if (desc && (true_string(desc) || enabled_string(desc)))
2282 svc->privileged = 1;
2283 }
2284 }
2285 }
2286
2287 static void
2288 modcmd_conf_read(void) {
2289 modcmd_load_bots(conf_get_data("services", RECDB_OBJECT), 0);
2290 }
2291
2292 void
2293 modcmd_init(void) {
2294 qsort(modcmd_flags, ArrayLength(modcmd_flags)-1, sizeof(modcmd_flags[0]), flags_qsort);
2295 modules = dict_new();
2296 dict_set_free_data(modules, free_module);
2297 services = dict_new();
2298 dict_set_free_data(services, free_service);
2299 reg_nick_change_func(modcmd_nick_change, NULL);
2300 reg_exit_func(modcmd_cleanup, NULL);
2301 conf_register_reload(modcmd_conf_read);
2302
2303 modcmd_module = module_register("modcmd", MAIN_LOG, "modcmd.help", modcmd_expand);
2304 bind_command = modcmd_register(modcmd_module, "bind", cmd_bind, 4, MODCMD_KEEP_BOUND, "oper_level", "800", NULL);
2305 help_command = modcmd_register(modcmd_module, "help", cmd_help, 1, 0, "flags", "+nolog", NULL);
2306 modcmd_register(modcmd_module, "command", cmd_command, 2, 0, "flags", "+nolog", NULL);
2307 modcmd_register(modcmd_module, "modcmd", cmd_modcmd, 2, MODCMD_KEEP_BOUND, "template", "bind", NULL);
2308 modcmd_register(modcmd_module, "god", cmd_god, 0, MODCMD_REQUIRE_AUTHED, "flags", "+oper,+networkhelper", NULL);
2309 modcmd_register(modcmd_module, "readhelp", cmd_readhelp, 2, 0, "oper_level", "650", NULL);
2310 modcmd_register(modcmd_module, "timecmd", cmd_timecmd, 2, 0, "oper_level", "1", NULL);
2311 modcmd_register(modcmd_module, "unbind", cmd_unbind, 3, 0, "template", "bind", NULL);
2312 modcmd_register(modcmd_module, "joiner", cmd_joiner, 1, 0, NULL);
2313 modcmd_register(modcmd_module, "stats modules", cmd_stats_modules, 1, 0, "flags", "+oper", NULL);
2314 modcmd_register(modcmd_module, "stats services", cmd_stats_services, 1, 0, "flags", "+oper", NULL);
2315 modcmd_register(modcmd_module, "showcommands", cmd_showcommands, 1, 0, "flags", "+acceptchan", NULL);
2316 modcmd_register(modcmd_module, "helpfiles", cmd_helpfiles, 2, 0, "template", "bind", NULL);
2317 modcmd_register(modcmd_module, "service add", cmd_service_add, 4, 0, "flags", "+oper", NULL);
2318 modcmd_register(modcmd_module, "service rename", cmd_service_rename, 3, 0, "flags", "+oper", NULL);
2319 modcmd_register(modcmd_module, "service trigger", cmd_service_trigger, 2, 0, "flags", "+oper", NULL);
2320 modcmd_register(modcmd_module, "service privileged", cmd_service_privileged, 2, 0, "flags", "+oper", NULL);
2321 modcmd_register(modcmd_module, "service remove", cmd_service_remove, 2, 0, "flags", "+oper", NULL);
2322 modcmd_register(modcmd_module, "dumpmessages", cmd_dump_messages, 1, 0, "oper_level", "1000", NULL);
2323 modcmd_register(modcmd_module, "tell", cmd_tell, 3, 0, "flags", "+oper", NULL);
2324 modcmd_register(modcmd_module, "rebindall", cmd_rebindall, 0, MODCMD_KEEP_BOUND, "oper_level", "800", NULL);
2325 version_command = modcmd_register(modcmd_module, "version", cmd_version, 1, 0, NULL);
2326 credits_command = modcmd_register(modcmd_module, "credits", cmd_credits, 1, 0, NULL);
2327 message_register_table(msgtab);
2328
2329 }
2330
2331 static void
2332 modcmd_db_load_command(struct service *service, const char *cmdname, struct dict *obj) {
2333 struct svccmd *svccmd;
2334 struct module *module;
2335 struct modcmd *modcmd;
2336 struct string_list *slist;
2337 const char *str, *sep;
2338 char buf[MAXLEN];
2339
2340 str = database_get_data(obj, "command", RECDB_QSTRING);
2341 if (!str) {
2342 log_module(MAIN_LOG, LOG_ERROR, "Missing command for service %s command %s in modcmd.db", service->bot->nick, cmdname);
2343 return;
2344 }
2345 sep = strchr(str, '.');
2346 if (!sep) {
2347 log_module(MAIN_LOG, LOG_ERROR, "Invalid command %s for service %s command %s in modcmd.db", str, service->bot->nick, cmdname);
2348 return;
2349 }
2350 memcpy(buf, str, sep-str);
2351 buf[sep-str] = 0;
2352 if (!(module = module_find(buf))) {
2353 log_module(MAIN_LOG, LOG_ERROR, "Unknown module %s for service %s command %s in modcmd.db", buf, service->bot->nick, cmdname);
2354 return;
2355 }
2356 if (!(modcmd = dict_find(module->commands, sep+1, NULL))) {
2357 log_module(MAIN_LOG, LOG_ERROR, "Unknown command %s in module %s for service %s command %s", sep+1, module->name, service->bot->nick, cmdname);
2358 return;
2359 }
2360 /* Now that we know we have a command to use, fill in the basics. */
2361 svccmd = calloc(1, sizeof(*svccmd));
2362 svccmd_insert(service, strdup(cmdname), svccmd, modcmd);
2363 if ((str = database_get_data(obj, "template", RECDB_QSTRING))) {
2364 add_pending_template(svccmd, str);
2365 } else {
2366 svccmd_copy_rules(svccmd, modcmd->defaults);
2367 }
2368 if ((str = database_get_data(obj, "account_flags", RECDB_QSTRING))) {
2369 svccmd->req_account_flags = svccmd->deny_account_flags = 0;
2370 svccmd_configure(svccmd, NULL, service->bot, "account_flags", str);
2371 }
2372 if ((str = database_get_data(obj, "flags", RECDB_QSTRING))) {
2373 svccmd->flags = 0;
2374 svccmd_configure(svccmd, NULL, service->bot, "flags", str);
2375 }
2376 if ((str = database_get_data(obj, "oper_access", RECDB_QSTRING))
2377 || (str = database_get_data(obj, "opserv_level", RECDB_QSTRING))) {
2378 svccmd_configure(svccmd, NULL, service->bot, "oper_access", str);
2379 }
2380 if ((str = database_get_data(obj, "channel_access", RECDB_QSTRING))
2381 || (str = database_get_data(obj, "chanserv_level", RECDB_QSTRING))) {
2382 svccmd_configure(svccmd, NULL, service->bot, "channel_access", str);
2383 }
2384 if ((slist = database_get_data(obj, "aliased", RECDB_STRING_LIST))) {
2385 unsigned int nn;
2386 svccmd->alias.used = svccmd->alias.size = slist->used;
2387 svccmd->alias.list = calloc(svccmd->alias.size, sizeof(svccmd->alias.list[0]));
2388 for (nn=0; nn<slist->used; ++nn)
2389 svccmd->alias.list[nn] = strdup(slist->list[nn]);
2390 }
2391 modcmd_set_effective_flags(svccmd);
2392 }
2393
2394 static struct svccmd *
2395 service_make_alias(struct service *service, const char *alias, ...) {
2396 char *arg, *argv[MAXNUMPARAMS];
2397 unsigned int nn, argc;
2398 struct svccmd *svccmd, *template;
2399 va_list args;
2400
2401 va_start(args, alias);
2402 argc = 0;
2403 while (1) {
2404 arg = va_arg(args, char*);
2405 if (!arg)
2406 break;
2407 argv[argc++] = arg;
2408 }
2409 va_end(args);
2410 svccmd = calloc(1, sizeof(*svccmd));
2411 if (!(template = svccmd_resolve_name(svccmd, argv[0]))) {
2412 log_module(MAIN_LOG, LOG_ERROR, "Invalid base command %s for alias %s in service %s", argv[0], alias, service->bot->nick);
2413 free(svccmd->name);
2414 free(svccmd);
2415 return NULL;
2416 }
2417 if (argc > 1) {
2418 svccmd->alias.used = svccmd->alias.size = argc;
2419 svccmd->alias.list = calloc(svccmd->alias.size, sizeof(svccmd->alias.list[0]));
2420 for (nn=0; nn<argc; nn++)
2421 svccmd->alias.list[nn] = strdup(argv[nn]);
2422 }
2423 svccmd_insert(service, strdup(alias), svccmd, template->command);
2424 svccmd_copy_rules(svccmd, template);
2425 return svccmd;
2426 }
2427
2428 static int saxdb_present;
2429
2430 static int
2431 modcmd_saxdb_read(struct dict *db) {
2432 struct dict *db2;
2433 dict_iterator_t it, it2;
2434 struct record_data *rd, *rd2;
2435 struct service *service;
2436
2437 modcmd_load_bots(database_get_data(db, "bots", RECDB_OBJECT), 1);
2438 db2 = database_get_data(db, "services", RECDB_OBJECT);
2439 if (!db2) {
2440 log_module(MAIN_LOG, LOG_ERROR, "Missing section 'services' in modcmd db.");
2441 return 1;
2442 }
2443 for (it = dict_first(db2); it; it = iter_next(it)) {
2444 rd = iter_data(it);
2445 if (rd->type != RECDB_OBJECT) {
2446 log_module(MAIN_LOG, LOG_ERROR, "Bad type for 'services/%s' in modcmd db (expected object).", iter_key(it));
2447 continue;
2448 }
2449 if (!(service = service_find(iter_key(it)))) {
2450 log_module(MAIN_LOG, LOG_ERROR, "Unknown service '%s' listed in modcmd db.", iter_key(it));
2451 continue;
2452 }
2453 for (it2 = dict_first(rd->d.object); it2; it2 = iter_next(it2)) {
2454 rd2 = iter_data(it2);
2455 if (rd2->type != RECDB_OBJECT) {
2456 log_module(MAIN_LOG, LOG_ERROR, "Bad type for 'services/%s/%s' in modcmd db (expected object).", iter_key(it), iter_key(it2));
2457 continue;
2458 }
2459 modcmd_db_load_command(service, iter_key(it2), rd2->d.object);
2460 }
2461 }
2462 db2 = database_get_data(db, "helpfiles", RECDB_OBJECT);
2463 for (it = dict_first(db2); it; it = iter_next(it)) {
2464 struct module *module;
2465 struct string_list *slist;
2466 unsigned int ii;
2467
2468 rd = iter_data(it);
2469 if (rd->type != RECDB_STRING_LIST) {
2470 log_module(MAIN_LOG, LOG_ERROR, "Bad type for 'helpfiles/%s' in modcmd db (expected string list).", iter_key(it));
2471 continue;
2472 }
2473 slist = rd->d.slist;
2474 if (!(service = service_find(iter_key(it)))) {
2475 /* We probably whined about the service being missing above. */
2476 continue;
2477 }
2478 service->modules.used = 0;
2479 for (ii=0; ii<slist->used; ++ii) {
2480 if (!(module = dict_find(modules, slist->list[ii], NULL))) {
2481 log_module(MAIN_LOG, LOG_ERROR, "Unknown module '%s' listed in modcmd 'helpfiles/%s'.", slist->list[ii], iter_key(it));
2482 continue;
2483 }
2484 module_list_append(&service->modules, module);
2485 }
2486 }
2487 saxdb_present = 1;
2488 return 0;
2489 }
2490
2491 static void
2492 create_default_binds(int rebind) {
2493 /* Which services should import which modules by default? */
2494 struct {
2495 const char *svcname;
2496 /* C is lame and requires a fixed size for this array.
2497 * Be sure you NULL-terminate each array and increment the
2498 * size here if you add more default modules to any
2499 * service. */
2500 const char *modnames[8];
2501 } def_binds[] = {
2502 { "ChanServ", { "ChanServ", NULL } },
2503 { "Global", { "Global", NULL } },
2504 { "NickServ", { "NickServ", NULL } },
2505 { "OpServ", { "OpServ", "modcmd", "sendmail", "saxdb", "proxycheck", NULL } },
2506 { "SpamServ", { "SpamServ", NULL } },
2507 { NULL, { NULL } }
2508 };
2509 unsigned int ii, jj;
2510 char buf[128], *nick;
2511 struct service *service;
2512 struct module *module;
2513
2514 for (ii = 0; def_binds[ii].svcname; ++ii) {
2515 sprintf(buf, "services/%s/nick", def_binds[ii].svcname);
2516 if (!(nick = conf_get_data(buf, RECDB_QSTRING)))
2517 continue;
2518 if (!(service = service_find(nick)))
2519 continue;
2520 if (dict_size(service->commands) > 0 && !rebind)
2521 continue;
2522
2523 /* Bind the default modules for this service to it */
2524 for (jj = 0; def_binds[ii].modnames[jj]; ++jj) {
2525 if (!(module = module_find(def_binds[ii].modnames[jj])))
2526 continue;
2527 service_bind_module(service, module);
2528 }
2529
2530 /* Bind the help and version commands to this service */
2531 service_bind_modcmd(service, help_command, help_command->name);
2532 service_bind_modcmd(service, version_command, version_command->name);
2533 service_bind_modcmd(service, credits_command, credits_command->name);
2534
2535 /* Now some silly hax.. (aliases that most people want) */
2536 if (!irccasecmp(def_binds[ii].svcname, "ChanServ")) {
2537 service_make_alias(service, "addowner", "*chanserv.adduser", "$1", "owner", "$2", NULL);
2538 service_make_alias(service, "addcoowner", "*chanserv.adduser", "$1", "coowner", "$2", NULL);
2539 service_make_alias(service, "addco", "*chanserv.adduser", "$1", "coowner", "$2", NULL);
2540 service_make_alias(service, "addmanager", "*chanserv.adduser", "$1", "manager", "$2", NULL);
2541 service_make_alias(service, "addop", "*chanserv.adduser", "$1", "op", "$2", NULL);
2542 service_make_alias(service, "addhop", "*chanserv.adduser", "$1", "halfop", "$2", NULL);
2543 service_make_alias(service, "addpeon", "*chanserv.adduser", "$1", "peon", "$2", NULL);
2544 service_make_alias(service, "addpal", "*chanserv.adduser", "$1", "pal", "$2", NULL);
2545 service_make_alias(service, "delowner", "*chanserv.deluser", "owner", "$1", NULL);
2546 service_make_alias(service, "delcoowner", "*chanserv.deluser", "coowner", "$1", NULL);
2547 service_make_alias(service, "delmanager", "*chanserv.deluser", "manager", "$1", NULL);
2548 service_make_alias(service, "delop", "*chanserv.deluser", "op", "$1", NULL);
2549 service_make_alias(service, "delpeon", "*chanserv.deluser", "peon", "$1", NULL);
2550 service_make_alias(service, "delpal", "*chanserv.deluser", "pal", "$1", NULL);
2551 service_make_alias(service, "llist", "*chanserv.lamers", "$1", NULL);
2552 service_make_alias(service, "command", "*modcmd.command", NULL);
2553 service_make_alias(service, "god", "*modcmd.god", NULL);
2554 } else if (!irccasecmp(def_binds[ii].svcname, "OpServ")) {
2555 struct svccmd *svccmd;
2556 svccmd = service_make_alias(service, "stats", "*modcmd.joiner", NULL);
2557 svccmd->min_opserv_level = 101;
2558 svccmd = service_make_alias(service, "service", "*modcmd.joiner", NULL);
2559 svccmd->min_opserv_level = 900;
2560 svccmd = service_make_alias(service, "routing", "*modcmd.joiner", NULL);
2561 svccmd->min_opserv_level = 100;
2562 }
2563 }
2564 }
2565
2566 static void
2567 import_aliases_db() {
2568 struct dict *db;
2569 dict_iterator_t it, it2;
2570 struct record_data *rd, *rd2;
2571 struct service *service;
2572 struct module *module;
2573
2574 if (!(db = parse_database("aliases.db")))
2575 return;
2576 for (it = dict_first(db); it; it = iter_next(it)) {
2577 service = service_find(iter_key(it));
2578 if (!service)
2579 continue;
2580 module = module_find(service->bot->nick);
2581 rd = iter_data(it);
2582 if (rd->type != RECDB_OBJECT)
2583 continue;
2584 for (it2 = dict_first(rd->d.object); it2; it2 = iter_next(it2)) {
2585 struct modcmd *command;
2586 rd2 = iter_data(it2);
2587 if (rd2->type != RECDB_QSTRING)
2588 continue;
2589 command = dict_find(module->commands, rd2->d.qstring, NULL);
2590 if (!command)
2591 continue;
2592 service_bind_modcmd(service, command, iter_key(it2));
2593 }
2594 }
2595 }
2596
2597 void
2598 modcmd_finalize(void) {
2599 dict_iterator_t it;
2600
2601 /* Check databases. */
2602 saxdb_register("modcmd", modcmd_saxdb_read, modcmd_saxdb_write);
2603 create_default_binds(0);
2604 if (!saxdb_present)
2605 import_aliases_db();
2606
2607 /* Register services for their triggers. */
2608 for (it = dict_first(services); it; it = iter_next(it)) {
2609 struct service *svc = iter_data(it);
2610 if (svc->trigger)
2611 reg_chanmsg_func(svc->trigger, svc->bot, modcmd_chanmsg, NULL);
2612 }
2613
2614 /* Resolve command rule-templates. */
2615 while (pending_templates) {
2616 struct pending_template *ptempl = pending_templates;
2617 struct svccmd *svccmd;
2618
2619 pending_templates = ptempl->next;
2620 /* Only overwrite the current template if we have a valid template. */
2621 if (!strcmp(ptempl->base, "*")) {
2622 /* Do nothing. */
2623 } else if ((svccmd = svccmd_resolve_name(ptempl->cmd, ptempl->base))) {
2624 svccmd_copy_rules(ptempl->cmd, svccmd);
2625 } else {
2626 assert(ptempl->cmd->parent);
2627 log_module(MAIN_LOG, LOG_ERROR, "Unable to resolve template name %s for command %s in service %s.", ptempl->base, ptempl->cmd->name, ptempl->cmd->parent->bot->nick);
2628 }
2629 free(ptempl->base);
2630 free(ptempl);
2631 }
2632 }
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