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Commit | Line | Data |
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212380e3 AC |
1 | /* |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * modules.c: A module loader. | |
4 | * | |
5 | * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center | |
6 | * Copyright (C) 1996-2002 Hybrid Development Team | |
7 | * Copyright (C) 2002-2005 ircd-ratbox development team | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
22 | * USA | |
212380e3 AC |
23 | */ |
24 | ||
25 | #include "stdinc.h" | |
212380e3 | 26 | #include "modules.h" |
4016731b | 27 | #include "logger.h" |
212380e3 AC |
28 | #include "ircd.h" |
29 | #include "client.h" | |
30 | #include "send.h" | |
31 | #include "s_conf.h" | |
32 | #include "s_newconf.h" | |
33 | #include "numeric.h" | |
34 | #include "parse.h" | |
35 | #include "ircd_defs.h" | |
4562c604 | 36 | #include "match.h" |
15feac53 | 37 | #include "s_serv.h" |
8e9c6a75 | 38 | #include "capability.h" |
212380e3 | 39 | |
f272e7ab AC |
40 | #include <ltdl.h> |
41 | ||
9abdcf1c EM |
42 | #ifndef LT_MODULE_EXT |
43 | # error "Charybdis requires loadable module support." | |
44 | #endif | |
45 | ||
e55a9d6a AC |
46 | rb_dlink_list module_list; |
47 | rb_dlink_list mod_paths; | |
212380e3 AC |
48 | |
49 | static const char *core_module_table[] = { | |
431a1a27 | 50 | "m_ban", |
212380e3 AC |
51 | "m_die", |
52 | "m_error", | |
53 | "m_join", | |
54 | "m_kick", | |
55 | "m_kill", | |
56 | "m_message", | |
57 | "m_mode", | |
78946542 | 58 | "m_modules", |
212380e3 AC |
59 | "m_nick", |
60 | "m_part", | |
61 | "m_quit", | |
62 | "m_server", | |
212380e3 AC |
63 | "m_squit", |
64 | NULL | |
65 | }; | |
66 | ||
81204be8 EM |
67 | #define MOD_WARN_DELTA (90 * 86400) /* time in seconds, 86400 seconds in a day */ |
68 | ||
212380e3 | 69 | void |
92dad483 | 70 | init_modules(void) |
212380e3 | 71 | { |
f272e7ab AC |
72 | if(lt_dlinit()) |
73 | { | |
74 | ilog(L_MAIN, "lt_dlinit failed"); | |
c173a8ad | 75 | exit(EXIT_FAILURE); |
f272e7ab AC |
76 | } |
77 | ||
212380e3 | 78 | /* Add the default paths we look in to the module system --nenolod */ |
4d8cfacd AC |
79 | mod_add_path(ircd_paths[IRCD_PATH_MODULES]); |
80 | mod_add_path(ircd_paths[IRCD_PATH_AUTOLOAD_MODULES]); | |
212380e3 AC |
81 | } |
82 | ||
28cc8bb9 EK |
83 | static unsigned int prev_caps; |
84 | ||
85 | void | |
86 | mod_remember_clicaps(void) | |
87 | { | |
88 | prev_caps = capability_index_mask(cli_capindex); | |
89 | } | |
90 | ||
91 | void | |
92 | mod_notify_clicaps(void) | |
93 | { | |
94 | unsigned int cur_caps = capability_index_mask(cli_capindex); | |
95 | unsigned int del = prev_caps & ~cur_caps; | |
96 | unsigned int new = cur_caps & ~prev_caps; | |
97 | ||
98 | if (del) | |
99 | sendto_local_clients_with_capability(CLICAP_CAP_NOTIFY, ":%s CAP * DEL :%s", | |
100 | me.name, capability_index_list(cli_capindex, del)); | |
101 | if (new) | |
102 | sendto_local_clients_with_capability(CLICAP_CAP_NOTIFY, ":%s CAP * NEW :%s", | |
103 | me.name, capability_index_list(cli_capindex, new)); | |
104 | } | |
105 | ||
212380e3 AC |
106 | /* mod_find_path() |
107 | * | |
108 | * input - path | |
109 | * output - none | |
110 | * side effects - returns a module path from path | |
111 | */ | |
26c6ac3d | 112 | static char * |
212380e3 AC |
113 | mod_find_path(const char *path) |
114 | { | |
330fc5c1 | 115 | rb_dlink_node *ptr; |
26c6ac3d | 116 | char *mpath; |
212380e3 | 117 | |
5cefa1d6 | 118 | RB_DLINK_FOREACH(ptr, mod_paths.head) |
212380e3 AC |
119 | { |
120 | mpath = ptr->data; | |
121 | ||
26c6ac3d | 122 | if(!strcmp(path, mpath)) |
212380e3 AC |
123 | return mpath; |
124 | } | |
125 | ||
126 | return NULL; | |
127 | } | |
128 | ||
129 | /* mod_add_path | |
130 | * | |
131 | * input - path | |
55abcbb2 | 132 | * ouput - |
212380e3 AC |
133 | * side effects - adds path to list |
134 | */ | |
135 | void | |
136 | mod_add_path(const char *path) | |
137 | { | |
26c6ac3d | 138 | char *pathst; |
212380e3 AC |
139 | |
140 | if(mod_find_path(path)) | |
141 | return; | |
142 | ||
26c6ac3d | 143 | pathst = rb_strdup(path); |
330fc5c1 | 144 | rb_dlinkAddAlloc(pathst, &mod_paths); |
212380e3 AC |
145 | } |
146 | ||
147 | /* mod_clear_paths() | |
148 | * | |
149 | * input - | |
150 | * output - | |
151 | * side effects - clear the lists of paths | |
152 | */ | |
153 | void | |
154 | mod_clear_paths(void) | |
155 | { | |
637c4932 | 156 | rb_dlink_node *ptr, *next_ptr; |
212380e3 | 157 | |
637c4932 | 158 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, mod_paths.head) |
212380e3 | 159 | { |
637c4932 | 160 | rb_free(ptr->data); |
30106156 | 161 | rb_free_rb_dlink_node(ptr); |
212380e3 AC |
162 | } |
163 | ||
164 | mod_paths.head = mod_paths.tail = NULL; | |
165 | mod_paths.length = 0; | |
166 | } | |
167 | ||
212380e3 AC |
168 | /* findmodule_byname |
169 | * | |
aa483e55 EM |
170 | * input - module to load |
171 | * output - index of module on success, -1 on failure | |
172 | * side effects - none | |
212380e3 | 173 | */ |
e55a9d6a | 174 | struct module * |
212380e3 AC |
175 | findmodule_byname(const char *name) |
176 | { | |
e55a9d6a | 177 | rb_dlink_node *ptr; |
c9108ea0 AC |
178 | char name_ext[PATH_MAX + 1]; |
179 | ||
dd92c99b AC |
180 | rb_strlcpy(name_ext, name, sizeof name_ext); |
181 | rb_strlcat(name_ext, LT_MODULE_EXT, sizeof name_ext); | |
212380e3 | 182 | |
e55a9d6a | 183 | RB_DLINK_FOREACH(ptr, module_list.head) |
212380e3 | 184 | { |
e55a9d6a AC |
185 | struct module *mod = ptr->data; |
186 | ||
187 | if(!irccmp(mod->name, name)) | |
188 | return mod; | |
c9108ea0 | 189 | |
e55a9d6a AC |
190 | if(!irccmp(mod->name, name_ext)) |
191 | return mod; | |
212380e3 | 192 | } |
c9108ea0 | 193 | |
e55a9d6a | 194 | return NULL; |
212380e3 AC |
195 | } |
196 | ||
197 | /* load_all_modules() | |
198 | * | |
199 | * input - | |
200 | * output - | |
201 | * side effects - | |
202 | */ | |
203 | void | |
aa483e55 | 204 | load_all_modules(bool warn) |
212380e3 AC |
205 | { |
206 | DIR *system_module_dir = NULL; | |
207 | struct dirent *ldirent = NULL; | |
208 | char module_fq_name[PATH_MAX + 1]; | |
1db8a313 EM |
209 | size_t module_ext_len = strlen(LT_MODULE_EXT); |
210 | ||
4d8cfacd | 211 | system_module_dir = opendir(ircd_paths[IRCD_PATH_AUTOLOAD_MODULES]); |
212380e3 AC |
212 | |
213 | if(system_module_dir == NULL) | |
214 | { | |
4d8cfacd | 215 | ilog(L_MAIN, "Could not load modules from %s: %s", ircd_paths[IRCD_PATH_AUTOLOAD_MODULES], strerror(errno)); |
212380e3 AC |
216 | return; |
217 | } | |
218 | ||
219 | while ((ldirent = readdir(system_module_dir)) != NULL) | |
220 | { | |
66031753 | 221 | size_t len = strlen(ldirent->d_name); |
9abdcf1c | 222 | |
66031753 | 223 | if(len > module_ext_len && |
f956cb0f | 224 | rb_strncasecmp(ldirent->d_name + (len - module_ext_len), LT_MODULE_EXT, module_ext_len) == 0) |
5203cba5 | 225 | { |
66031753 EM |
226 | (void) snprintf(module_fq_name, sizeof(module_fq_name), "%s%c%s", |
227 | ircd_paths[IRCD_PATH_AUTOLOAD_MODULES], RB_PATH_SEPARATOR, ldirent->d_name); | |
aa483e55 | 228 | (void) load_a_module(module_fq_name, warn, MAPI_ORIGIN_CORE, false); |
5203cba5 | 229 | } |
212380e3 AC |
230 | |
231 | } | |
232 | (void) closedir(system_module_dir); | |
233 | } | |
234 | ||
235 | /* load_core_modules() | |
236 | * | |
237 | * input - | |
238 | * output - | |
239 | * side effects - core modules are loaded, if any fail, kill ircd | |
240 | */ | |
241 | void | |
aa483e55 | 242 | load_core_modules(bool warn) |
212380e3 | 243 | { |
d74fa5b5 | 244 | char module_name[PATH_MAX]; |
212380e3 AC |
245 | int i; |
246 | ||
247 | ||
248 | for (i = 0; core_module_table[i]; i++) | |
249 | { | |
aa483e55 EM |
250 | snprintf(module_name, sizeof(module_name), "%s%c%s", ircd_paths[IRCD_PATH_MODULES], RB_PATH_SEPARATOR, |
251 | core_module_table[i]); | |
212380e3 | 252 | |
aa483e55 | 253 | if(load_a_module(module_name, warn, MAPI_ORIGIN_CORE, true) == false) |
212380e3 AC |
254 | { |
255 | ilog(L_MAIN, | |
9abdcf1c EM |
256 | "Error loading core module %s: terminating ircd", |
257 | core_module_table[i]); | |
c173a8ad | 258 | exit(EXIT_FAILURE); |
212380e3 AC |
259 | } |
260 | } | |
261 | } | |
262 | ||
263 | /* load_one_module() | |
264 | * | |
265 | * input - | |
266 | * output - | |
267 | * side effects - | |
268 | */ | |
aa483e55 EM |
269 | bool |
270 | load_one_module(const char *path, int origin, bool coremodule) | |
212380e3 | 271 | { |
d74fa5b5 | 272 | char modpath[PATH_MAX]; |
330fc5c1 | 273 | rb_dlink_node *pathst; |
212380e3 | 274 | |
503727d1 | 275 | if (server_state_foreground) |
55abcbb2 | 276 | inotice("loading module %s ...", path); |
212380e3 | 277 | |
aa483e55 | 278 | if(coremodule) |
216d70e9 | 279 | origin = MAPI_ORIGIN_CORE; |
216d70e9 | 280 | |
5cefa1d6 | 281 | RB_DLINK_FOREACH(pathst, mod_paths.head) |
212380e3 | 282 | { |
aa483e55 EM |
283 | struct stat statbuf; |
284 | const char *mpath = pathst->data; | |
212380e3 | 285 | |
aa483e55 | 286 | snprintf(modpath, sizeof(modpath), "%s%c%s%s", mpath, RB_PATH_SEPARATOR, path, LT_MODULE_EXT); |
212380e3 AC |
287 | if((strstr(modpath, "../") == NULL) && (strstr(modpath, "/..") == NULL)) |
288 | { | |
aa483e55 | 289 | if(stat(modpath, &statbuf) == 0 && S_ISREG(statbuf.st_mode)) |
212380e3 | 290 | { |
aa483e55 EM |
291 | /* Regular files only please */ |
292 | return load_a_module(modpath, true, origin, coremodule); | |
212380e3 AC |
293 | } |
294 | ||
295 | } | |
296 | } | |
297 | ||
298 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "Cannot locate module %s", path); | |
aa483e55 | 299 | return false; |
212380e3 AC |
300 | } |
301 | ||
212380e3 | 302 | static char unknown_ver[] = "<unknown>"; |
8e9c6a75 | 303 | static char unknown_description[] = "<none>"; |
212380e3 | 304 | |
212380e3 AC |
305 | /* unload_one_module() |
306 | * | |
307 | * inputs - name of module to unload | |
aa483e55 EM |
308 | * - true to say modules unloaded, false to not |
309 | * output - true if successful, false if error | |
212380e3 AC |
310 | * side effects - module is unloaded |
311 | */ | |
aa483e55 EM |
312 | bool |
313 | unload_one_module(const char *name, bool warn) | |
212380e3 | 314 | { |
e55a9d6a | 315 | struct module *mod; |
212380e3 | 316 | |
e55a9d6a | 317 | if((mod = findmodule_byname(name)) == NULL) |
aa483e55 | 318 | return false; |
b5cfad03 | 319 | |
212380e3 AC |
320 | /* |
321 | ** XXX - The type system in C does not allow direct conversion between | |
322 | ** data and function pointers, but as it happens, most C compilers will | |
55abcbb2 KB |
323 | ** safely do this, however it is a theoretical overlow to cast as we |
324 | ** must do here. I have library functions to take care of this, but | |
325 | ** despite being more "correct" for the C language, this is more | |
212380e3 AC |
326 | ** practical. Removing the abuse of the ability to cast ANY pointer |
327 | ** to and from an integer value here will break some compilers. | |
328 | ** -jmallett | |
329 | */ | |
330 | /* Left the comment in but the code isn't here any more -larne */ | |
e55a9d6a | 331 | switch (mod->mapi_version) |
212380e3 AC |
332 | { |
333 | case 1: | |
334 | { | |
e55a9d6a | 335 | struct mapi_mheader_av1 *mheader = mod->mapi_header; |
212380e3 AC |
336 | if(mheader->mapi_command_list) |
337 | { | |
338 | struct Message **m; | |
339 | for (m = mheader->mapi_command_list; *m; ++m) | |
340 | mod_del_cmd(*m); | |
341 | } | |
342 | ||
343 | /* hook events are never removed, we simply lose the | |
344 | * ability to call them --fl | |
345 | */ | |
346 | if(mheader->mapi_hfn_list) | |
347 | { | |
348 | mapi_hfn_list_av1 *m; | |
349 | for (m = mheader->mapi_hfn_list; m->hapi_name; ++m) | |
350 | remove_hook(m->hapi_name, m->fn); | |
351 | } | |
352 | ||
353 | if(mheader->mapi_unregister) | |
354 | mheader->mapi_unregister(); | |
355 | break; | |
356 | } | |
8e9c6a75 EM |
357 | case 2: |
358 | { | |
e55a9d6a | 359 | struct mapi_mheader_av2 *mheader = mod->mapi_header; |
8e9c6a75 EM |
360 | |
361 | /* XXX duplicate code :( */ | |
362 | if(mheader->mapi_command_list) | |
363 | { | |
364 | struct Message **m; | |
365 | for (m = mheader->mapi_command_list; *m; ++m) | |
366 | mod_del_cmd(*m); | |
367 | } | |
368 | ||
369 | /* hook events are never removed, we simply lose the | |
370 | * ability to call them --fl | |
371 | */ | |
372 | if(mheader->mapi_hfn_list) | |
373 | { | |
374 | mapi_hfn_list_av1 *m; | |
375 | for (m = mheader->mapi_hfn_list; m->hapi_name; ++m) | |
376 | remove_hook(m->hapi_name, m->fn); | |
377 | } | |
378 | ||
379 | if(mheader->mapi_unregister) | |
380 | mheader->mapi_unregister(); | |
381 | ||
382 | if(mheader->mapi_cap_list) | |
383 | { | |
384 | mapi_cap_list_av2 *m; | |
385 | for (m = mheader->mapi_cap_list; m->cap_name; ++m) | |
386 | { | |
387 | struct CapabilityIndex *idx; | |
388 | ||
978b7232 | 389 | switch (m->cap_index) |
8e9c6a75 EM |
390 | { |
391 | case MAPI_CAP_CLIENT: | |
392 | idx = cli_capindex; | |
393 | break; | |
394 | case MAPI_CAP_SERVER: | |
395 | idx = serv_capindex; | |
396 | break; | |
397 | default: | |
398 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
399 | "Unknown/unsupported CAP index found of type %d on capability %s when unloading %s", | |
e55a9d6a | 400 | m->cap_index, m->cap_name, mod->name); |
8e9c6a75 EM |
401 | ilog(L_MAIN, |
402 | "Unknown/unsupported CAP index found of type %d on capability %s when unloading %s", | |
e55a9d6a | 403 | m->cap_index, m->cap_name, mod->name); |
8e9c6a75 EM |
404 | continue; |
405 | } | |
406 | ||
3256156a | 407 | if (m->cap_id != NULL) |
3256156a | 408 | capability_orphan(idx, m->cap_name); |
8e9c6a75 EM |
409 | } |
410 | } | |
e8de2bfa | 411 | break; |
8e9c6a75 | 412 | } |
212380e3 AC |
413 | default: |
414 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
415 | "Unknown/unsupported MAPI version %d when unloading %s!", | |
e55a9d6a | 416 | mod->mapi_version, mod->name); |
212380e3 | 417 | ilog(L_MAIN, "Unknown/unsupported MAPI version %d when unloading %s!", |
e55a9d6a | 418 | mod->mapi_version, mod->name); |
212380e3 AC |
419 | break; |
420 | } | |
421 | ||
e55a9d6a | 422 | lt_dlclose(mod->address); |
212380e3 | 423 | |
e55a9d6a AC |
424 | rb_dlinkDelete(&mod->node, &module_list); |
425 | rb_free(mod->name); | |
426 | rb_free(mod); | |
212380e3 | 427 | |
aa483e55 | 428 | if(warn) |
212380e3 AC |
429 | { |
430 | ilog(L_MAIN, "Module %s unloaded", name); | |
431 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "Module %s unloaded", name); | |
432 | } | |
433 | ||
aa483e55 | 434 | return true; |
212380e3 AC |
435 | } |
436 | ||
212380e3 AC |
437 | /* |
438 | * load_a_module() | |
439 | * | |
aa483e55 EM |
440 | * inputs - path name of module, bool to notice, int of origin, bool if core |
441 | * output - false if error true if success | |
212380e3 AC |
442 | * side effects - loads a module if successful |
443 | */ | |
aa483e55 EM |
444 | bool |
445 | load_a_module(const char *path, bool warn, int origin, bool core) | |
212380e3 | 446 | { |
e55a9d6a | 447 | struct module *mod; |
f272e7ab | 448 | lt_dlhandle tmpptr; |
0a87075b | 449 | char *mod_displayname, *c; |
8e9c6a75 | 450 | const char *ver, *description = NULL; |
212380e3 AC |
451 | |
452 | int *mapi_version; | |
453 | ||
0a87075b EM |
454 | mod_displayname = rb_basename(path); |
455 | ||
456 | /* Trim off the ending for the display name if we have to */ | |
457 | if((c = rb_strcasestr(mod_displayname, LT_MODULE_EXT)) != NULL) | |
458 | *c = '\0'; | |
212380e3 | 459 | |
9abdcf1c | 460 | tmpptr = lt_dlopenext(path); |
212380e3 AC |
461 | |
462 | if(tmpptr == NULL) | |
463 | { | |
f272e7ab | 464 | const char *err = lt_dlerror(); |
212380e3 AC |
465 | |
466 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
0a87075b EM |
467 | "Error loading module %s: %s", mod_displayname, err); |
468 | ilog(L_MAIN, "Error loading module %s: %s", mod_displayname, err); | |
469 | rb_free(mod_displayname); | |
aa483e55 | 470 | return false; |
212380e3 AC |
471 | } |
472 | ||
212380e3 AC |
473 | /* |
474 | * _mheader is actually a struct mapi_mheader_*, but mapi_version | |
475 | * is always the first member of this structure, so we treate it | |
476 | * as a single int in order to determine the API version. | |
477 | * -larne. | |
478 | */ | |
f272e7ab | 479 | mapi_version = (int *) (uintptr_t) lt_dlsym(tmpptr, "_mheader"); |
212380e3 | 480 | if((mapi_version == NULL |
f272e7ab | 481 | && (mapi_version = (int *) (uintptr_t) lt_dlsym(tmpptr, "__mheader")) == NULL) |
212380e3 AC |
482 | || MAPI_MAGIC(*mapi_version) != MAPI_MAGIC_HDR) |
483 | { | |
484 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
485 | "Data format error: module %s has no MAPI header.", | |
0a87075b EM |
486 | mod_displayname); |
487 | ilog(L_MAIN, "Data format error: module %s has no MAPI header.", mod_displayname); | |
f272e7ab | 488 | (void) lt_dlclose(tmpptr); |
0a87075b | 489 | rb_free(mod_displayname); |
aa483e55 | 490 | return false; |
212380e3 AC |
491 | } |
492 | ||
493 | switch (MAPI_VERSION(*mapi_version)) | |
494 | { | |
495 | case 1: | |
496 | { | |
29c92cf9 | 497 | struct mapi_mheader_av1 *mheader = (struct mapi_mheader_av1 *)(void *)mapi_version; /* see above */ |
212380e3 AC |
498 | if(mheader->mapi_register && (mheader->mapi_register() == -1)) |
499 | { | |
500 | ilog(L_MAIN, "Module %s indicated failure during load.", | |
0a87075b | 501 | mod_displayname); |
212380e3 AC |
502 | sendto_realops_snomask(SNO_GENERAL, L_ALL, |
503 | "Module %s indicated failure during load.", | |
0a87075b | 504 | mod_displayname); |
f272e7ab | 505 | lt_dlclose(tmpptr); |
0a87075b | 506 | rb_free(mod_displayname); |
aa483e55 | 507 | return false; |
212380e3 AC |
508 | } |
509 | if(mheader->mapi_command_list) | |
510 | { | |
511 | struct Message **m; | |
512 | for (m = mheader->mapi_command_list; *m; ++m) | |
513 | mod_add_cmd(*m); | |
514 | } | |
515 | ||
516 | if(mheader->mapi_hook_list) | |
517 | { | |
518 | mapi_hlist_av1 *m; | |
519 | for (m = mheader->mapi_hook_list; m->hapi_name; ++m) | |
520 | *m->hapi_id = register_hook(m->hapi_name); | |
521 | } | |
522 | ||
523 | if(mheader->mapi_hfn_list) | |
524 | { | |
525 | mapi_hfn_list_av1 *m; | |
526 | for (m = mheader->mapi_hfn_list; m->hapi_name; ++m) | |
527 | add_hook(m->hapi_name, m->fn); | |
528 | } | |
529 | ||
530 | ver = mheader->mapi_module_version; | |
531 | break; | |
532 | } | |
8e9c6a75 EM |
533 | case 2: |
534 | { | |
535 | struct mapi_mheader_av2 *mheader = (struct mapi_mheader_av2 *)(void *)mapi_version; /* see above */ | |
212380e3 | 536 | |
8e9c6a75 | 537 | /* XXX duplicated code :( */ |
5eb3d7a7 | 538 | if(mheader->mapi_register && (mheader->mapi_register() == -1)) |
8e9c6a75 EM |
539 | { |
540 | ilog(L_MAIN, "Module %s indicated failure during load.", | |
0a87075b | 541 | mod_displayname); |
8e9c6a75 EM |
542 | sendto_realops_snomask(SNO_GENERAL, L_ALL, |
543 | "Module %s indicated failure during load.", | |
0a87075b | 544 | mod_displayname); |
8e9c6a75 | 545 | lt_dlclose(tmpptr); |
0a87075b | 546 | rb_free(mod_displayname); |
aa483e55 | 547 | return false; |
8e9c6a75 | 548 | } |
81204be8 EM |
549 | |
550 | /* Basic date code checks | |
551 | * | |
552 | * Don't make them fatal, but do complain about differences within a certain time frame. | |
553 | * Later on if there are major API changes we can add fatal checks. | |
554 | * -- Elizafox | |
555 | */ | |
556 | if(mheader->mapi_datecode != datecode && mheader->mapi_datecode > 0) | |
557 | { | |
3089f59c | 558 | long int delta = datecode - mheader->mapi_datecode; |
81204be8 EM |
559 | if (delta > MOD_WARN_DELTA) |
560 | { | |
561 | delta /= 86400; | |
881acf00 | 562 | iwarn("Module %s build date is out of sync with ircd build date by %ld days, expect problems", |
0a87075b | 563 | mod_displayname, delta); |
81204be8 EM |
564 | sendto_realops_snomask(SNO_GENERAL, L_ALL, |
565 | "Module %s build date is out of sync with ircd build date by %ld days, expect problems", | |
0a87075b | 566 | mod_displayname, delta); |
81204be8 EM |
567 | } |
568 | } | |
569 | ||
8e9c6a75 EM |
570 | if(mheader->mapi_command_list) |
571 | { | |
572 | struct Message **m; | |
573 | for (m = mheader->mapi_command_list; *m; ++m) | |
574 | mod_add_cmd(*m); | |
575 | } | |
576 | ||
577 | if(mheader->mapi_hook_list) | |
578 | { | |
579 | mapi_hlist_av1 *m; | |
580 | for (m = mheader->mapi_hook_list; m->hapi_name; ++m) | |
581 | *m->hapi_id = register_hook(m->hapi_name); | |
582 | } | |
583 | ||
584 | if(mheader->mapi_hfn_list) | |
585 | { | |
586 | mapi_hfn_list_av1 *m; | |
587 | for (m = mheader->mapi_hfn_list; m->hapi_name; ++m) | |
588 | add_hook(m->hapi_name, m->fn); | |
589 | } | |
590 | ||
591 | /* New in MAPI v2 - version replacement */ | |
592 | ver = mheader->mapi_module_version ? mheader->mapi_module_version : ircd_version; | |
593 | description = mheader->mapi_module_description; | |
594 | ||
595 | if(mheader->mapi_cap_list) | |
596 | { | |
597 | mapi_cap_list_av2 *m; | |
598 | for (m = mheader->mapi_cap_list; m->cap_name; ++m) | |
599 | { | |
600 | struct CapabilityIndex *idx; | |
601 | int result; | |
602 | ||
978b7232 | 603 | switch (m->cap_index) |
8e9c6a75 EM |
604 | { |
605 | case MAPI_CAP_CLIENT: | |
606 | idx = cli_capindex; | |
607 | break; | |
608 | case MAPI_CAP_SERVER: | |
609 | idx = serv_capindex; | |
610 | break; | |
611 | default: | |
612 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
613 | "Unknown/unsupported CAP index found of type %d on capability %s when loading %s", | |
0a87075b | 614 | m->cap_index, m->cap_name, mod_displayname); |
8e9c6a75 EM |
615 | ilog(L_MAIN, |
616 | "Unknown/unsupported CAP index found of type %d on capability %s when loading %s", | |
0a87075b | 617 | m->cap_index, m->cap_name, mod_displayname); |
8e9c6a75 EM |
618 | continue; |
619 | } | |
620 | ||
621 | result = capability_put(idx, m->cap_name, m->cap_ownerdata); | |
622 | if (m->cap_id != NULL) | |
623 | *(m->cap_id) = result; | |
624 | } | |
625 | } | |
626 | } | |
0e5bf029 EM |
627 | |
628 | break; | |
212380e3 AC |
629 | default: |
630 | ilog(L_MAIN, "Module %s has unknown/unsupported MAPI version %d.", | |
0a87075b | 631 | mod_displayname, MAPI_VERSION(*mapi_version)); |
212380e3 AC |
632 | sendto_realops_snomask(SNO_GENERAL, L_ALL, |
633 | "Module %s has unknown/unsupported MAPI version %d.", | |
0a87075b | 634 | mod_displayname, *mapi_version); |
f272e7ab | 635 | lt_dlclose(tmpptr); |
0a87075b | 636 | rb_free(mod_displayname); |
aa483e55 | 637 | return false; |
212380e3 AC |
638 | } |
639 | ||
640 | if(ver == NULL) | |
641 | ver = unknown_ver; | |
642 | ||
8e9c6a75 EM |
643 | if(description == NULL) |
644 | description = unknown_description; | |
645 | ||
e55a9d6a AC |
646 | mod = rb_malloc(sizeof(struct module)); |
647 | mod->address = tmpptr; | |
648 | mod->version = ver; | |
649 | mod->description = description; | |
650 | mod->core = core; | |
651 | mod->name = rb_strdup(mod_displayname); | |
652 | mod->mapi_header = mapi_version; | |
653 | mod->mapi_version = MAPI_VERSION(*mapi_version); | |
654 | mod->origin = origin; | |
655 | rb_dlinkAdd(mod, &mod->node, &module_list); | |
212380e3 | 656 | |
aa483e55 | 657 | if(warn) |
212380e3 | 658 | { |
c63aeb44 EM |
659 | const char *o; |
660 | ||
978b7232 | 661 | switch (origin) |
c63aeb44 | 662 | { |
c63aeb44 EM |
663 | case MAPI_ORIGIN_EXTENSION: |
664 | o = "extension"; | |
665 | break; | |
666 | case MAPI_ORIGIN_CORE: | |
667 | o = "core"; | |
668 | break; | |
669 | default: | |
670 | o = "unknown"; | |
671 | break; | |
672 | } | |
673 | ||
212380e3 | 674 | sendto_realops_snomask(SNO_GENERAL, L_ALL, |
02831b6f | 675 | "Module %s [version: %s; MAPI version: %d; origin: %s; description: \"%s\"] loaded at %p", |
0a87075b | 676 | mod_displayname, ver, MAPI_VERSION(*mapi_version), o, description, |
02831b6f AC |
677 | (void *) tmpptr); |
678 | ilog(L_MAIN, "Module %s [version: %s; MAPI version: %d; origin: %s; description: \"%s\"] loaded at %p", | |
0a87075b | 679 | mod_displayname, ver, MAPI_VERSION(*mapi_version), o, description, (void *) tmpptr); |
212380e3 | 680 | } |
0a87075b | 681 | rb_free(mod_displayname); |
aa483e55 | 682 | return true; |
212380e3 | 683 | } |
41390bfe AJ |
684 | |
685 | void | |
686 | modules_do_restart(void *unused) | |
687 | { | |
688 | unsigned int modnum = 0; | |
689 | rb_dlink_node *ptr, *nptr; | |
690 | ||
28cc8bb9 EK |
691 | mod_remember_clicaps(); |
692 | ||
41390bfe AJ |
693 | RB_DLINK_FOREACH_SAFE(ptr, nptr, module_list.head) |
694 | { | |
695 | struct module *mod = ptr->data; | |
696 | if(!unload_one_module(mod->name, false)) | |
697 | { | |
698 | ilog(L_MAIN, "Module Restart: %s was not unloaded %s", | |
699 | mod->name, | |
700 | mod->core? "(core module)" : ""); | |
701 | ||
702 | if(!mod->core) | |
703 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, | |
704 | "Module Restart: %s failed to unload", | |
705 | mod->name); | |
706 | continue; | |
707 | } | |
708 | ||
709 | modnum++; | |
710 | } | |
711 | ||
712 | load_all_modules(false); | |
713 | load_core_modules(false); | |
714 | rehash(false); | |
715 | ||
28cc8bb9 EK |
716 | mod_notify_clicaps(); |
717 | ||
41390bfe AJ |
718 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, |
719 | "Module Restart: %u modules unloaded, %lu modules loaded", | |
720 | modnum, rb_dlink_list_length(&module_list)); | |
721 | ilog(L_MAIN, "Module Restart: %u modules unloaded, %lu modules loaded", modnum, rb_dlink_list_length(&module_list)); | |
722 | } |