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Commit | Line | Data |
---|---|---|
c3d0a5f2 | 1 | /* |
8b013767 | 2 | * kmod-modprobe - manage linux kernel modules using libkmod. |
c3d0a5f2 | 3 | * |
a66a6a99 | 4 | * Copyright (C) 2011-2012 ProFUSION embedded systems |
c3d0a5f2 | 5 | * |
cb451f35 LDM |
6 | * This program is free software: you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 2 of the License, or | |
9 | * (at your option) any later version. | |
c3d0a5f2 GSB |
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 | |
cb451f35 LDM |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | * GNU General Public License for more details. | |
c3d0a5f2 | 15 | * |
cb451f35 LDM |
16 | * You should have received a copy of the GNU General Public License |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
c3d0a5f2 | 18 | */ |
cb451f35 | 19 | |
c3d0a5f2 GSB |
20 | #include <stdio.h> |
21 | #include <stdlib.h> | |
0cf2832a | 22 | #include <stdbool.h> |
c3d0a5f2 GSB |
23 | #include <getopt.h> |
24 | #include <errno.h> | |
25 | #include <string.h> | |
26 | #include <sys/types.h> | |
27 | #include <sys/stat.h> | |
28 | #include <sys/utsname.h> | |
eff917c0 | 29 | #include <sys/wait.h> |
c3d0a5f2 GSB |
30 | #include <unistd.h> |
31 | #include <syslog.h> | |
32 | #include <limits.h> | |
33 | ||
34 | #include "libkmod.h" | |
8b013767 | 35 | #include "libkmod-array.h" |
bc43496a | 36 | #include "macro.h" |
c3d0a5f2 GSB |
37 | |
38 | static int log_priority = LOG_CRIT; | |
39 | static int use_syslog = 0; | |
40 | ||
41 | #define DEFAULT_VERBOSE LOG_WARNING | |
42 | static int verbose = DEFAULT_VERBOSE; | |
525fa07b | 43 | static int do_show = 0; |
c3d0a5f2 GSB |
44 | static int dry_run = 0; |
45 | static int ignore_loaded = 0; | |
8122985d | 46 | static int lookup_only = 0; |
c3d0a5f2 GSB |
47 | static int first_time = 0; |
48 | static int ignore_commands = 0; | |
49 | static int use_blacklist = 0; | |
50 | static int force = 0; | |
51 | static int strip_modversion = 0; | |
52 | static int strip_vermagic = 0; | |
53 | static int remove_dependencies = 0; | |
d8a6c0cc | 54 | static int quiet_inuse = 0; |
c3d0a5f2 | 55 | |
b09668cf | 56 | static const char cmdopts_s[] = "arRibft:DcnC:d:S:sqvVh"; |
c3d0a5f2 GSB |
57 | static const struct option cmdopts[] = { |
58 | {"all", no_argument, 0, 'a'}, | |
59 | {"remove", no_argument, 0, 'r'}, | |
60 | {"remove-dependencies", no_argument, 0, 5}, | |
61 | {"resolve-alias", no_argument, 0, 'R'}, | |
62 | {"first-time", no_argument, 0, 3}, | |
63 | {"ignore-install", no_argument, 0, 'i'}, | |
64 | {"ignore-remove", no_argument, 0, 'i'}, | |
65 | {"use-blacklist", no_argument, 0, 'b'}, | |
66 | {"force", no_argument, 0, 'f'}, | |
67 | {"force-modversion", no_argument, 0, 2}, | |
68 | {"force-vermagic", no_argument, 0, 1}, | |
69 | ||
70 | {"type", required_argument, 0, 't'}, | |
c3d0a5f2 GSB |
71 | {"show-depends", no_argument, 0, 'D'}, |
72 | {"showconfig", no_argument, 0, 'c'}, | |
73 | {"show-config", no_argument, 0, 'c'}, | |
74 | {"show-modversions", no_argument, 0, 4}, | |
75 | {"dump-modversions", no_argument, 0, 4}, | |
76 | ||
77 | {"dry-run", no_argument, 0, 'n'}, | |
78 | {"show", no_argument, 0, 'n'}, | |
79 | ||
80 | {"config", required_argument, 0, 'C'}, | |
81 | {"dirname", required_argument, 0, 'd'}, | |
82 | {"set-version", required_argument, 0, 'S'}, | |
83 | ||
84 | {"syslog", no_argument, 0, 's'}, | |
85 | {"quiet", no_argument, 0, 'q'}, | |
86 | {"verbose", no_argument, 0, 'v'}, | |
87 | {"version", no_argument, 0, 'V'}, | |
88 | {"help", no_argument, 0, 'h'}, | |
89 | {NULL, 0, 0, 0} | |
90 | }; | |
91 | ||
92 | static void help(const char *progname) | |
93 | { | |
94 | fprintf(stderr, | |
95 | "Usage:\n" | |
96 | "\t%s [options] [-i] [-b] modulename\n" | |
97 | "\t%s [options] -a [-i] [-b] modulename [modulename...]\n" | |
98 | "\t%s [options] -r [-i] modulename\n" | |
99 | "\t%s [options] -r -a [-i] modulename [modulename...]\n" | |
100 | "\t%s [options] -l [-t dirname] [wildcard]\n" | |
101 | "\t%s [options] -c\n" | |
102 | "\t%s [options] --dump-modversions filename\n" | |
103 | "Management Options:\n" | |
ab70dce1 GSB |
104 | "\t-a, --all Consider every non-argument to\n" |
105 | "\t be a module name to be inserted\n" | |
106 | "\t or removed (-r)\n" | |
107 | "\t-r, --remove Remove modules instead of inserting\n" | |
108 | "\t --remove-dependencies Also remove modules depending on it\n" | |
109 | "\t-R, --resolve-alias Only lookup and print alias and exit\n" | |
110 | "\t --first-time Fail if module already inserted or removed\n" | |
111 | "\t-i, --ignore-install Ignore install commands\n" | |
112 | "\t-i, --ignore-remove Ignore remove commands\n" | |
113 | "\t-b, --use-blacklist Apply blacklist to resolved alias.\n" | |
114 | "\t-f, --force Force module insertion or removal.\n" | |
115 | "\t implies --force-modversions and\n" | |
116 | "\t --force-vermagic\n" | |
117 | "\t --force-modversion Ignore module's version\n" | |
118 | "\t --force-vermagic Ignore module's version magic\n" | |
c3d0a5f2 GSB |
119 | "\n" |
120 | "Query Options:\n" | |
ab70dce1 | 121 | "\t-t, --type=DIR Limit type used by --list\n" |
ab70dce1 GSB |
122 | "\t-D, --show-depends Only print module dependencies and exit\n" |
123 | "\t-c, --showconfig Print out known configuration and exit\n" | |
124 | "\t-c, --show-config Same as --showconfig\n" | |
125 | "\t --show-modversions Dump module symbol version and exit\n" | |
126 | "\t --dump-modversions Same as --show-modversions\n" | |
c3d0a5f2 GSB |
127 | "\n" |
128 | "General Options:\n" | |
ab70dce1 GSB |
129 | "\t-n, --dry-run Do not execute operations, just print out\n" |
130 | "\t-n, --show Same as --dry-run\n" | |
c3d0a5f2 | 131 | |
2c96693e | 132 | "\t-C, --config=FILE Use FILE instead of default search paths\n" |
a308abec | 133 | "\t-d, --dirname=DIR Use DIR as filesystem root for " ROOTPREFIX "/lib/modules\n" |
ab70dce1 | 134 | "\t-S, --set-version=VERSION Use VERSION instead of `uname -r`\n" |
c3d0a5f2 GSB |
135 | |
136 | "\t-s, --syslog print to syslog, not stderr\n" | |
137 | "\t-q, --quiet disable messages\n" | |
138 | "\t-v, --verbose enables more messages\n" | |
139 | "\t-V, --version show version\n" | |
140 | "\t-h, --help show this help\n", | |
141 | progname, progname, progname, progname, progname, progname, | |
142 | progname); | |
143 | } | |
144 | ||
145 | static inline void _show(const char *fmt, ...) | |
146 | { | |
147 | va_list args; | |
148 | ||
525fa07b | 149 | if (!do_show && verbose <= DEFAULT_VERBOSE) |
c3d0a5f2 GSB |
150 | return; |
151 | ||
152 | va_start(args, fmt); | |
153 | vfprintf(stdout, fmt, args); | |
154 | fflush(stdout); | |
155 | va_end(args); | |
156 | } | |
157 | ||
158 | static inline void _log(int prio, const char *fmt, ...) | |
159 | { | |
160 | const char *prioname; | |
161 | char buf[32], *msg; | |
162 | va_list args; | |
163 | ||
164 | if (prio > verbose) | |
165 | return; | |
166 | ||
167 | va_start(args, fmt); | |
168 | if (vasprintf(&msg, fmt, args) < 0) | |
169 | msg = NULL; | |
170 | va_end(args); | |
171 | if (msg == NULL) | |
172 | return; | |
173 | ||
174 | switch (prio) { | |
175 | case LOG_CRIT: | |
176 | prioname = "FATAL"; | |
177 | break; | |
178 | case LOG_ERR: | |
179 | prioname = "ERROR"; | |
180 | break; | |
181 | case LOG_WARNING: | |
182 | prioname = "WARNING"; | |
183 | break; | |
184 | case LOG_NOTICE: | |
185 | prioname = "NOTICE"; | |
186 | break; | |
187 | case LOG_INFO: | |
188 | prioname = "INFO"; | |
189 | break; | |
190 | case LOG_DEBUG: | |
191 | prioname = "DEBUG"; | |
192 | break; | |
193 | default: | |
194 | snprintf(buf, sizeof(buf), "LOG-%03d", prio); | |
195 | prioname = buf; | |
196 | } | |
197 | ||
198 | if (use_syslog) | |
199 | syslog(LOG_NOTICE, "%s: %s", prioname, msg); | |
200 | else | |
201 | fprintf(stderr, "%s: %s", prioname, msg); | |
202 | free(msg); | |
203 | ||
204 | if (prio <= LOG_CRIT) | |
205 | exit(EXIT_FAILURE); | |
206 | } | |
207 | #define ERR(...) _log(LOG_ERR, __VA_ARGS__) | |
208 | #define WRN(...) _log(LOG_WARNING, __VA_ARGS__) | |
209 | #define INF(...) _log(LOG_INFO, __VA_ARGS__) | |
210 | #define DBG(...) _log(LOG_DEBUG, __VA_ARGS__) | |
211 | #define LOG(...) _log(log_priority, __VA_ARGS__) | |
212 | #define SHOW(...) _show(__VA_ARGS__) | |
213 | ||
c3d0a5f2 GSB |
214 | static int show_config(struct kmod_ctx *ctx) |
215 | { | |
bc43496a LDM |
216 | struct config_iterators { |
217 | const char *name; | |
218 | struct kmod_config_iter *(*get_iter)(const struct kmod_ctx *ctx); | |
219 | } ci[] = { | |
220 | { "blacklist", kmod_config_get_blacklists }, | |
221 | { "install", kmod_config_get_install_commands }, | |
222 | { "remove", kmod_config_get_remove_commands }, | |
223 | { "alias", kmod_config_get_aliases }, | |
224 | { "option", kmod_config_get_options }, | |
225 | { "softdep", kmod_config_get_softdeps }, | |
226 | }; | |
227 | size_t i; | |
228 | ||
229 | for (i = 0; i < ARRAY_SIZE(ci); i++) { | |
230 | struct kmod_config_iter *iter = ci[i].get_iter(ctx); | |
231 | ||
232 | if (iter == NULL) | |
233 | continue; | |
234 | ||
235 | while (kmod_config_iter_next(iter)) { | |
236 | const char *val; | |
237 | ||
238 | printf("%s %s", ci[i].name, | |
239 | kmod_config_iter_get_key(iter)); | |
240 | val = kmod_config_iter_get_value(iter); | |
241 | if (val != NULL) { | |
242 | putchar(' '); | |
243 | puts(val); | |
244 | } else | |
245 | putchar('\n'); | |
246 | } | |
247 | ||
248 | kmod_config_iter_free_iter(iter); | |
249 | } | |
250 | ||
09e9ae58 LDM |
251 | fflush(stdout); |
252 | ||
49a16375 LDM |
253 | kmod_dump_index(ctx, KMOD_INDEX_MODULES_ALIAS, STDOUT_FILENO); |
254 | kmod_dump_index(ctx, KMOD_INDEX_MODULES_SYMBOL, STDOUT_FILENO); | |
255 | ||
bc43496a | 256 | return 0; |
c3d0a5f2 GSB |
257 | } |
258 | ||
259 | static int show_modversions(struct kmod_ctx *ctx, const char *filename) | |
260 | { | |
0e3e2f43 GSB |
261 | struct kmod_list *l, *list = NULL; |
262 | struct kmod_module *mod; | |
263 | int err = kmod_module_new_from_path(ctx, filename, &mod); | |
264 | if (err < 0) { | |
265 | LOG("Module %s not found.\n", filename); | |
266 | return err; | |
267 | } | |
268 | ||
269 | err = kmod_module_get_versions(mod, &list); | |
270 | if (err < 0) { | |
63698377 | 271 | LOG("could not get modversions of %s: %s\n", |
0e3e2f43 GSB |
272 | filename, strerror(-err)); |
273 | kmod_module_unref(mod); | |
274 | return err; | |
275 | } | |
276 | ||
277 | kmod_list_foreach(l, list) { | |
278 | const char *symbol = kmod_module_version_get_symbol(l); | |
279 | uint64_t crc = kmod_module_version_get_crc(l); | |
280 | printf("0x%08"PRIx64"\t%s\n", crc, symbol); | |
281 | } | |
282 | kmod_module_versions_free_list(list); | |
283 | kmod_module_unref(mod); | |
284 | return 0; | |
c3d0a5f2 GSB |
285 | } |
286 | ||
8f192210 LDM |
287 | static int command_do(struct kmod_module *module, const char *type, |
288 | const char *command, const char *cmdline_opts) | |
c3d0a5f2 GSB |
289 | { |
290 | const char *modname = kmod_module_get_name(module); | |
291 | char *p, *cmd = NULL; | |
292 | size_t cmdlen, cmdline_opts_len, varlen; | |
293 | int ret = 0; | |
294 | ||
295 | if (cmdline_opts == NULL) | |
296 | cmdline_opts = ""; | |
297 | cmdline_opts_len = strlen(cmdline_opts); | |
298 | ||
299 | cmd = strdup(command); | |
300 | if (cmd == NULL) | |
301 | return -ENOMEM; | |
302 | cmdlen = strlen(cmd); | |
303 | varlen = sizeof("$CMDLINE_OPTS") - 1; | |
304 | while ((p = strstr(cmd, "$CMDLINE_OPTS")) != NULL) { | |
305 | size_t prefixlen = p - cmd; | |
306 | size_t suffixlen = cmdlen - prefixlen - varlen; | |
307 | size_t slen = cmdlen - varlen + cmdline_opts_len; | |
308 | char *suffix = p + varlen; | |
309 | char *s = malloc(slen + 1); | |
310 | if (s == NULL) { | |
311 | free(cmd); | |
312 | return -ENOMEM; | |
313 | } | |
314 | memcpy(s, cmd, p - cmd); | |
315 | memcpy(s + prefixlen, cmdline_opts, cmdline_opts_len); | |
316 | memcpy(s + prefixlen + cmdline_opts_len, suffix, suffixlen); | |
317 | s[slen] = '\0'; | |
318 | ||
319 | free(cmd); | |
320 | cmd = s; | |
321 | cmdlen = slen; | |
322 | } | |
323 | ||
324 | SHOW("%s %s\n", type, cmd); | |
325 | if (dry_run) | |
326 | goto end; | |
327 | ||
328 | setenv("MODPROBE_MODULE", modname, 1); | |
329 | ret = system(cmd); | |
330 | unsetenv("MODPROBE_MODULE"); | |
331 | if (ret == -1 || WEXITSTATUS(ret)) { | |
332 | LOG("Error running %s command for %s\n", type, modname); | |
333 | if (ret != -1) | |
334 | ret = -WEXITSTATUS(ret); | |
335 | } | |
336 | ||
337 | end: | |
338 | free(cmd); | |
339 | return ret; | |
340 | } | |
341 | ||
a872bba2 | 342 | static int rmmod_do_remove_module(struct kmod_module *mod) |
c3d0a5f2 | 343 | { |
a872bba2 LDM |
344 | const char *modname = kmod_module_get_name(mod); |
345 | int flags = 0, err; | |
e793f1ea | 346 | |
a872bba2 | 347 | SHOW("rmmod %s\n", kmod_module_get_name(mod)); |
c3d0a5f2 | 348 | |
a872bba2 LDM |
349 | if (dry_run) |
350 | return 0; | |
c3d0a5f2 | 351 | |
a872bba2 LDM |
352 | if (force) |
353 | flags |= KMOD_REMOVE_FORCE; | |
c3d0a5f2 | 354 | |
a872bba2 LDM |
355 | err = kmod_module_remove_module(mod, flags); |
356 | if (err == -EEXIST) { | |
357 | if (!first_time) | |
358 | err = 0; | |
e793f1ea | 359 | else |
a872bba2 | 360 | LOG("Module %s is not in kernel.\n", modname); |
c3d0a5f2 | 361 | } |
e793f1ea GSB |
362 | |
363 | return err; | |
364 | } | |
365 | ||
a872bba2 | 366 | static int rmmod_do_module(struct kmod_module *mod, bool do_dependencies); |
e793f1ea | 367 | |
a872bba2 | 368 | static int rmmod_do_deps_list(struct kmod_list *list, bool stop_on_errors) |
e793f1ea | 369 | { |
a872bba2 LDM |
370 | struct kmod_list *l; |
371 | ||
372 | kmod_list_foreach_reverse(l, list) { | |
373 | struct kmod_module *m = kmod_module_get_module(l); | |
374 | int r = rmmod_do_module(m, false); | |
375 | kmod_module_unref(m); | |
376 | ||
377 | if (r < 0 && stop_on_errors) | |
378 | return r; | |
379 | } | |
380 | ||
381 | return 0; | |
c3d0a5f2 GSB |
382 | } |
383 | ||
a872bba2 | 384 | static int rmmod_do_module(struct kmod_module *mod, bool do_dependencies) |
c3d0a5f2 GSB |
385 | { |
386 | const char *modname = kmod_module_get_name(mod); | |
a872bba2 LDM |
387 | struct kmod_list *pre = NULL, *post = NULL; |
388 | const char *cmd = NULL; | |
c3d0a5f2 GSB |
389 | int err; |
390 | ||
c3d0a5f2 | 391 | if (!ignore_commands) { |
e793f1ea GSB |
392 | err = kmod_module_get_softdeps(mod, &pre, &post); |
393 | if (err < 0) { | |
394 | WRN("could not get softdeps of '%s': %s\n", | |
8f192210 | 395 | modname, strerror(-err)); |
c3d0a5f2 | 396 | return err; |
e793f1ea GSB |
397 | } |
398 | ||
c3d0a5f2 | 399 | cmd = kmod_module_get_remove_commands(mod); |
c3d0a5f2 GSB |
400 | } |
401 | ||
a872bba2 | 402 | if (cmd == NULL && !ignore_loaded) { |
9bf60d21 LDM |
403 | int state = kmod_module_get_initstate(mod); |
404 | ||
e5e2a683 LDM |
405 | if (state < 0) { |
406 | LOG ("Module %s not found.\n", modname); | |
e4e1e64a LDM |
407 | err = -ENOENT; |
408 | goto error; | |
e5e2a683 | 409 | } else if (state == KMOD_MODULE_BUILTIN) { |
9bf60d21 | 410 | LOG("Module %s is builtin.\n", modname); |
e4e1e64a LDM |
411 | err = -ENOENT; |
412 | goto error; | |
9bf60d21 LDM |
413 | } else if (state != KMOD_MODULE_LIVE) { |
414 | if (first_time) { | |
415 | LOG("Module %s is not in kernel.\n", modname); | |
e4e1e64a LDM |
416 | err = -ENOENT; |
417 | goto error; | |
418 | } else { | |
419 | err = 0; | |
420 | goto error; | |
421 | } | |
9bf60d21 LDM |
422 | } |
423 | } | |
424 | ||
a872bba2 LDM |
425 | rmmod_do_deps_list(post, false); |
426 | ||
427 | if (do_dependencies && remove_dependencies) { | |
428 | struct kmod_list *deps = kmod_module_get_dependencies(mod); | |
429 | ||
430 | err = rmmod_do_deps_list(deps, true); | |
9bf60d21 | 431 | if (err < 0) |
a872bba2 | 432 | goto error; |
9bf60d21 LDM |
433 | } |
434 | ||
c3d0a5f2 GSB |
435 | if (!ignore_loaded) { |
436 | int usage = kmod_module_get_refcnt(mod); | |
d8a6c0cc | 437 | |
c3d0a5f2 | 438 | if (usage > 0) { |
d8a6c0cc LDM |
439 | if (!quiet_inuse) |
440 | LOG("Module %s is in use.\n", modname); | |
441 | ||
e793f1ea | 442 | err = -EBUSY; |
e793f1ea GSB |
443 | goto error; |
444 | } | |
445 | } | |
446 | ||
a872bba2 LDM |
447 | if (cmd == NULL) |
448 | err = rmmod_do_remove_module(mod); | |
449 | else | |
450 | err = command_do(mod, "remove", cmd, NULL); | |
d8a6c0cc | 451 | |
a872bba2 LDM |
452 | if (err < 0) |
453 | goto error; | |
c9a14448 | 454 | |
a872bba2 | 455 | rmmod_do_deps_list(pre, false); |
0e9bd2d1 | 456 | |
e793f1ea GSB |
457 | error: |
458 | kmod_module_unref_list(pre); | |
459 | kmod_module_unref_list(post); | |
a872bba2 | 460 | |
c3d0a5f2 GSB |
461 | return err; |
462 | } | |
463 | ||
569f1609 | 464 | static int rmmod(struct kmod_ctx *ctx, const char *alias) |
c3d0a5f2 GSB |
465 | { |
466 | struct kmod_list *l, *list = NULL; | |
467 | int err; | |
468 | ||
469 | err = kmod_module_new_from_lookup(ctx, alias, &list); | |
e5e2a683 | 470 | if (err < 0) |
c3d0a5f2 | 471 | return err; |
e5e2a683 LDM |
472 | |
473 | if (list == NULL) | |
474 | LOG("Module %s not found.\n", alias); | |
c3d0a5f2 GSB |
475 | |
476 | kmod_list_foreach(l, list) { | |
477 | struct kmod_module *mod = kmod_module_get_module(l); | |
a872bba2 | 478 | err = rmmod_do_module(mod, true); |
c3d0a5f2 GSB |
479 | kmod_module_unref(mod); |
480 | if (err < 0) | |
481 | break; | |
482 | } | |
483 | ||
484 | kmod_module_unref_list(list); | |
485 | return err; | |
486 | } | |
487 | ||
c3d0a5f2 GSB |
488 | static int rmmod_all(struct kmod_ctx *ctx, char **args, int nargs) |
489 | { | |
490 | int i, err = 0; | |
491 | ||
492 | for (i = 0; i < nargs; i++) { | |
493 | int r = rmmod(ctx, args[i]); | |
494 | if (r < 0) | |
495 | err = r; | |
496 | } | |
497 | ||
498 | return err; | |
499 | } | |
500 | ||
8b013767 LDM |
501 | #define INSMOD_RECURSION_STEP 15 |
502 | ||
0cf2832a LDM |
503 | static int concat_options(const char *conf_opts, const char *extra_opts, |
504 | char **opts) | |
c3d0a5f2 | 505 | { |
0cf2832a LDM |
506 | if (conf_opts == NULL && extra_opts == NULL) |
507 | *opts = NULL; | |
508 | else if (conf_opts == NULL) | |
509 | *opts = strdup(extra_opts); | |
510 | else if (extra_opts == NULL) | |
511 | *opts = strdup(conf_opts); | |
512 | else if (asprintf(opts, "%s %s", conf_opts, extra_opts) < 0) | |
513 | return -ENOMEM; | |
c3d0a5f2 | 514 | |
0cf2832a LDM |
515 | return 0; |
516 | } | |
c3d0a5f2 | 517 | |
0cf2832a LDM |
518 | static int insmod_do_insert_module(struct kmod_module *mod, const char *opts) |
519 | { | |
520 | int flags = 0, err; | |
e793f1ea | 521 | |
0cf2832a | 522 | SHOW("insmod %s %s\n", kmod_module_get_path(mod), opts ? opts : ""); |
e793f1ea | 523 | |
0cf2832a LDM |
524 | if (dry_run) |
525 | return 0; | |
526 | ||
527 | if (strip_modversion || force) | |
528 | flags |= KMOD_INSERT_FORCE_MODVERSION; | |
529 | if (strip_vermagic || force) | |
530 | flags |= KMOD_INSERT_FORCE_VERMAGIC; | |
531 | ||
532 | err = kmod_module_insert_module(mod, flags, opts); | |
533 | switch (err) { | |
534 | case -EEXIST: | |
535 | /* | |
536 | * We checked for EEXIST with an earlier call to | |
537 | * retrieve the initstate, but to avoid a race | |
538 | * condition, we don't make any assumptions and handle | |
539 | * the error again here | |
540 | */ | |
541 | if (!first_time) | |
542 | err = 0; | |
e793f1ea | 543 | else |
0cf2832a LDM |
544 | ERR("Module %s already in kernel.\n", |
545 | kmod_module_get_name(mod)); | |
546 | break; | |
547 | case -EPERM: | |
548 | ERR("could not insert '%s': %s\n", kmod_module_get_name(mod), | |
549 | strerror(-err)); | |
550 | break; | |
c3d0a5f2 | 551 | } |
e793f1ea GSB |
552 | |
553 | return err; | |
e793f1ea | 554 | |
e793f1ea GSB |
555 | } |
556 | ||
8b013767 LDM |
557 | static bool insmod_recursion_has_loop(struct kmod_module *mod, |
558 | struct array *recursion) | |
559 | { | |
560 | unsigned int i; | |
561 | ||
562 | /* | |
563 | * Don't check every time to not impact normal use cases. If the | |
564 | * recursion hits INSMOD_RECURSION_STEP, then search loop in | |
565 | * @recursion. | |
566 | */ | |
567 | if ((recursion->count + 1) % INSMOD_RECURSION_STEP != 0) | |
568 | return false; | |
569 | ||
570 | for (i = 0; i < recursion->count; i++) { | |
571 | if (recursion->array[i] != mod) | |
572 | continue; | |
573 | ||
574 | ERR("Dependency loop detected while inserting '%s'. Operation aborted.\n", | |
575 | kmod_module_get_name(mod)); | |
576 | ||
577 | for (; i < recursion->count; i++) | |
578 | ERR("\t%s\n", kmod_module_get_name(recursion->array[i])); | |
579 | ||
580 | return true; | |
581 | } | |
582 | ||
583 | return false; | |
584 | } | |
585 | ||
0cf2832a | 586 | static int insmod_do_module(struct kmod_module *mod, const char *extra_opts, |
8b013767 | 587 | bool do_dependencies, struct array *recursion); |
0cf2832a LDM |
588 | |
589 | static int insmod_do_deps_list(struct kmod_list *list, | |
8b013767 | 590 | bool stop_on_errors, struct array *recursion) |
e793f1ea | 591 | { |
0cf2832a | 592 | struct kmod_list *l; |
8b013767 LDM |
593 | struct kmod_module *m; |
594 | int r; | |
595 | ||
596 | if (list == NULL) | |
597 | return 0; | |
598 | ||
599 | m = kmod_module_get_module(list); | |
600 | r = insmod_recursion_has_loop(m, recursion); | |
601 | kmod_module_unref(m); | |
602 | ||
603 | if (r) | |
604 | return -ELOOP; | |
0cf2832a LDM |
605 | |
606 | kmod_list_foreach(l, list) { | |
8b013767 LDM |
607 | m = kmod_module_get_module(l); |
608 | array_append(recursion, m); | |
609 | r = insmod_do_module(m, NULL, false, recursion); | |
0cf2832a | 610 | kmod_module_unref(m); |
8b013767 LDM |
611 | array_pop(recursion); |
612 | ||
613 | if (r == -ELOOP) | |
614 | return r; | |
0cf2832a LDM |
615 | |
616 | if (r < 0 && stop_on_errors) | |
617 | return r; | |
618 | } | |
619 | ||
620 | return 0; | |
c3d0a5f2 GSB |
621 | } |
622 | ||
0cf2832a | 623 | static int insmod_do_module(struct kmod_module *mod, const char *extra_opts, |
8b013767 | 624 | bool do_dependencies, struct array *recursion) |
c3d0a5f2 GSB |
625 | { |
626 | const char *modname = kmod_module_get_name(mod); | |
627 | const char *conf_opts = kmod_module_get_options(mod); | |
e793f1ea | 628 | struct kmod_list *pre = NULL, *post = NULL; |
0cf2832a | 629 | const char *cmd = NULL; |
c3d0a5f2 GSB |
630 | char *opts = NULL; |
631 | int err; | |
632 | ||
c3d0a5f2 | 633 | if (!ignore_commands) { |
e793f1ea GSB |
634 | err = kmod_module_get_softdeps(mod, &pre, &post); |
635 | if (err < 0) { | |
636 | WRN("could not get softdeps of '%s': %s\n", | |
8f192210 | 637 | modname, strerror(-err)); |
c3d0a5f2 | 638 | return err; |
e793f1ea GSB |
639 | } |
640 | ||
c3d0a5f2 | 641 | cmd = kmod_module_get_install_commands(mod); |
c3d0a5f2 GSB |
642 | } |
643 | ||
0cf2832a | 644 | if (cmd == NULL && !ignore_loaded) { |
9bf60d21 LDM |
645 | int state = kmod_module_get_initstate(mod); |
646 | ||
95dd837d | 647 | if (state == KMOD_MODULE_BUILTIN) { |
9bf60d21 | 648 | if (first_time) { |
0cf2832a | 649 | err = -EEXIST; |
9bf60d21 | 650 | LOG("Module %s already in kernel (builtin).\n", |
8f192210 | 651 | modname); |
0cf2832a LDM |
652 | } else |
653 | err = 0; | |
654 | ||
655 | goto error; | |
9bf60d21 LDM |
656 | } else if (state == KMOD_MODULE_LIVE) { |
657 | if (first_time) { | |
0cf2832a | 658 | err = -EEXIST; |
9bf60d21 | 659 | LOG("Module %s already in kernel.\n", modname); |
0cf2832a LDM |
660 | |
661 | } else | |
662 | err = 0; | |
663 | ||
664 | goto error; | |
9bf60d21 LDM |
665 | } |
666 | } | |
667 | ||
0cf2832a LDM |
668 | if (cmd == NULL && kmod_module_get_path(mod) == NULL) { |
669 | err = -ENOENT; | |
95dd837d | 670 | LOG("Module %s not found.\n", modname); |
0cf2832a | 671 | goto error; |
95dd837d LDM |
672 | } |
673 | ||
8b013767 LDM |
674 | err = insmod_do_deps_list(pre, false, recursion); |
675 | if (err == -ELOOP) | |
676 | goto error; | |
9bf60d21 | 677 | |
0cf2832a LDM |
678 | if (do_dependencies) { |
679 | struct kmod_list *deps = kmod_module_get_dependencies(mod); | |
c3d0a5f2 | 680 | |
8b013767 | 681 | err = insmod_do_deps_list(deps, true, recursion); |
0cf2832a | 682 | if (err < 0) |
e793f1ea | 683 | goto error; |
c3d0a5f2 GSB |
684 | } |
685 | ||
0cf2832a LDM |
686 | if ((err = concat_options(conf_opts, extra_opts, &opts)) < 0) |
687 | goto error; | |
c3d0a5f2 | 688 | |
0cf2832a LDM |
689 | if (cmd == NULL) |
690 | err = insmod_do_insert_module(mod, opts); | |
691 | else | |
692 | err = command_do(mod, "install", cmd, NULL); | |
c3d0a5f2 | 693 | |
0cf2832a LDM |
694 | if (err < 0) |
695 | goto error; | |
e793f1ea | 696 | |
8b013767 | 697 | err = insmod_do_deps_list(post, false, recursion); |
e793f1ea GSB |
698 | |
699 | error: | |
700 | kmod_module_unref_list(pre); | |
701 | kmod_module_unref_list(post); | |
c3d0a5f2 | 702 | free(opts); |
0cf2832a | 703 | |
c3d0a5f2 GSB |
704 | return err; |
705 | } | |
706 | ||
92122614 LDM |
707 | static int handle_failed_lookup(struct kmod_ctx *ctx, const char *alias) |
708 | { | |
709 | struct kmod_module *mod; | |
710 | int state, err; | |
711 | ||
712 | DBG("lookup failed - trying to check if it's builtin\n"); | |
713 | ||
714 | err = kmod_module_new_from_name(ctx, alias, &mod); | |
715 | if (err < 0) | |
716 | return err; | |
717 | ||
718 | state = kmod_module_get_initstate(mod); | |
719 | kmod_module_unref(mod); | |
720 | ||
721 | if (state != KMOD_MODULE_BUILTIN) { | |
722 | LOG("Module %s not found.\n", alias); | |
723 | return -ENOENT; | |
724 | } | |
725 | ||
726 | if (first_time) { | |
727 | LOG("Module %s already in kernel (builtin).\n", alias); | |
728 | return -ENOENT; | |
729 | } | |
730 | ||
731 | SHOW("builtin %s\n", alias); | |
732 | return 0; | |
733 | } | |
734 | ||
569f1609 | 735 | static int insmod(struct kmod_ctx *ctx, const char *alias, |
8f192210 | 736 | const char *extra_options) |
c3d0a5f2 GSB |
737 | { |
738 | struct kmod_list *l, *list = NULL; | |
739 | int err; | |
740 | ||
741 | err = kmod_module_new_from_lookup(ctx, alias, &list); | |
e5e2a683 LDM |
742 | if (err < 0) |
743 | return err; | |
744 | ||
92122614 LDM |
745 | if (list == NULL) |
746 | return handle_failed_lookup(ctx, alias); | |
c3d0a5f2 GSB |
747 | |
748 | if (use_blacklist) { | |
749 | struct kmod_list *filtered = NULL; | |
750 | err = kmod_module_get_filtered_blacklist(ctx, list, &filtered); | |
751 | DBG("using blacklist: input %p, output=%p\n", list, filtered); | |
752 | kmod_module_unref_list(list); | |
753 | if (err < 0) { | |
63698377 | 754 | LOG("could not filter alias list!\n"); |
c3d0a5f2 GSB |
755 | return err; |
756 | } | |
757 | list = filtered; | |
758 | } | |
759 | ||
760 | kmod_list_foreach(l, list) { | |
761 | struct kmod_module *mod = kmod_module_get_module(l); | |
8b013767 | 762 | |
8122985d LDM |
763 | if (lookup_only) |
764 | printf("%s\n", kmod_module_get_name(mod)); | |
8b013767 LDM |
765 | else { |
766 | struct array recursion; | |
767 | ||
768 | array_init(&recursion, INSMOD_RECURSION_STEP); | |
769 | err = insmod_do_module(mod, extra_options, true, | |
770 | &recursion); | |
771 | array_free_array(&recursion); | |
772 | } | |
c3d0a5f2 GSB |
773 | kmod_module_unref(mod); |
774 | if (err < 0) | |
775 | break; | |
776 | } | |
777 | ||
778 | kmod_module_unref_list(list); | |
779 | return err; | |
780 | } | |
781 | ||
c3d0a5f2 GSB |
782 | static int insmod_all(struct kmod_ctx *ctx, char **args, int nargs) |
783 | { | |
784 | int i, err = 0; | |
785 | ||
786 | for (i = 0; i < nargs; i++) { | |
787 | int r = insmod(ctx, args[i], NULL); | |
788 | if (r < 0) | |
789 | err = r; | |
790 | } | |
791 | ||
792 | return err; | |
793 | } | |
794 | ||
795 | static void env_modprobe_options_append(const char *value) | |
796 | { | |
797 | const char *old = getenv("MODPROBE_OPTIONS"); | |
798 | char *env; | |
799 | ||
800 | if (old == NULL) { | |
801 | setenv("MODPROBE_OPTIONS", value, 1); | |
802 | return; | |
803 | } | |
804 | ||
805 | if (asprintf(&env, "%s %s", old, value) < 0) { | |
806 | ERR("could not append value to $MODPROBE_OPTIONS\n"); | |
807 | return; | |
808 | } | |
809 | ||
810 | if (setenv("MODPROBE_OPTIONS", env, 1) < 0) | |
811 | ERR("could not setenv(MODPROBE_OPTIONS, \"%s\")\n", env); | |
812 | free(env); | |
813 | } | |
814 | ||
815 | static int options_from_array(char **args, int nargs, char **output) | |
816 | { | |
817 | char *opts = NULL; | |
818 | size_t optslen = 0; | |
819 | int i, err = 0; | |
820 | ||
821 | for (i = 1; i < nargs; i++) { | |
822 | size_t len = strlen(args[i]); | |
823 | size_t qlen = 0; | |
824 | const char *value; | |
825 | void *tmp; | |
826 | ||
827 | value = strchr(args[i], '='); | |
828 | if (value) { | |
829 | value++; | |
830 | if (*value != '"' && *value != '\'') { | |
831 | if (strchr(value, ' ')) | |
832 | qlen = 2; | |
833 | } | |
834 | } | |
835 | ||
836 | tmp = realloc(opts, optslen + len + qlen + 2); | |
837 | if (!tmp) { | |
838 | err = -errno; | |
839 | free(opts); | |
840 | opts = NULL; | |
841 | ERR("could not gather module options: out-of-memory\n"); | |
842 | break; | |
843 | } | |
844 | opts = tmp; | |
845 | if (optslen > 0) { | |
846 | opts[optslen] = ' '; | |
847 | optslen++; | |
848 | } | |
849 | if (qlen == 0) { | |
850 | memcpy(opts + optslen, args[i], len + 1); | |
851 | optslen += len; | |
852 | } else { | |
853 | size_t keylen = value - args[i]; | |
854 | size_t valuelen = len - keylen; | |
855 | memcpy(opts + optslen, args[i], keylen); | |
856 | optslen += keylen; | |
857 | opts[optslen] = '"'; | |
858 | optslen++; | |
859 | memcpy(opts + optslen, value, valuelen); | |
860 | optslen += valuelen; | |
861 | opts[optslen] = '"'; | |
862 | optslen++; | |
863 | opts[optslen] = '\0'; | |
864 | } | |
865 | } | |
866 | ||
867 | *output = opts; | |
868 | return err; | |
869 | } | |
870 | ||
871 | static char **prepend_options_from_env(int *p_argc, char **orig_argv) | |
872 | { | |
873 | const char *p, *env = getenv("MODPROBE_OPTIONS"); | |
874 | char **new_argv, *str_start, *str_end, *str, *s, *quote; | |
875 | int i, argc = *p_argc; | |
876 | size_t envlen, space_count = 0; | |
877 | ||
878 | if (env == NULL) | |
879 | return orig_argv; | |
880 | ||
881 | for (p = env; *p != '\0'; p++) { | |
882 | if (*p == ' ') | |
883 | space_count++; | |
884 | } | |
885 | ||
886 | envlen = p - env; | |
887 | new_argv = malloc(sizeof(char *) * (argc + space_count + 3 + envlen)); | |
888 | if (new_argv == NULL) | |
889 | return NULL; | |
890 | ||
891 | new_argv[0] = orig_argv[0]; | |
892 | str_start = str = (char *) (new_argv + argc + space_count + 3); | |
893 | memcpy(str, env, envlen + 1); | |
894 | ||
895 | str_end = str_start + envlen; | |
896 | ||
897 | quote = NULL; | |
898 | for (i = 1, s = str; *s != '\0'; s++) { | |
899 | if (quote == NULL) { | |
900 | if (*s == ' ') { | |
901 | new_argv[i] = str; | |
902 | i++; | |
903 | *s = '\0'; | |
904 | str = s + 1; | |
905 | } else if (*s == '"' || *s == '\'') | |
906 | quote = s; | |
907 | } else { | |
908 | if (*s == *quote) { | |
909 | if (quote == str) { | |
910 | new_argv[i] = str + 1; | |
911 | i++; | |
912 | *s = '\0'; | |
913 | str = s + 1; | |
914 | } else { | |
915 | char *it; | |
916 | for (it = quote; it < s - 1; it++) | |
917 | it[0] = it[1]; | |
918 | for (it = s - 1; it < str_end - 2; it++) | |
919 | it[0] = it[2]; | |
920 | str_end -= 2; | |
921 | *str_end = '\0'; | |
922 | s -= 2; | |
923 | } | |
924 | quote = NULL; | |
925 | } | |
926 | } | |
927 | } | |
928 | if (str < s) { | |
929 | new_argv[i] = str; | |
930 | i++; | |
931 | } | |
932 | ||
933 | memcpy(new_argv + i, orig_argv + 1, sizeof(char *) * (argc - 1)); | |
934 | new_argv[i + argc] = NULL; | |
935 | *p_argc = i + argc - 1; | |
936 | ||
937 | return new_argv; | |
938 | } | |
939 | ||
940 | static void log_syslog(void *data, int priority, const char *file, int line, | |
8f192210 | 941 | const char *fn, const char *format, va_list args) |
c3d0a5f2 GSB |
942 | { |
943 | char *str, buf[32]; | |
944 | const char *prioname; | |
945 | ||
946 | switch (priority) { | |
947 | case LOG_CRIT: | |
948 | prioname = "FATAL"; | |
949 | break; | |
950 | case LOG_ERR: | |
951 | prioname = "ERROR"; | |
952 | break; | |
953 | case LOG_WARNING: | |
954 | prioname = "WARNING"; | |
955 | break; | |
956 | case LOG_NOTICE: | |
957 | prioname = "NOTICE"; | |
958 | break; | |
959 | case LOG_INFO: | |
960 | prioname = "INFO"; | |
961 | break; | |
962 | case LOG_DEBUG: | |
963 | prioname = "DEBUG"; | |
964 | break; | |
965 | default: | |
966 | snprintf(buf, sizeof(buf), "LOG-%03d", priority); | |
967 | prioname = buf; | |
968 | } | |
969 | ||
970 | if (vasprintf(&str, format, args) < 0) | |
971 | return; | |
972 | #ifdef ENABLE_DEBUG | |
973 | syslog(LOG_NOTICE, "%s: %s:%d %s() %s", prioname, file, line, fn, str); | |
974 | #else | |
975 | syslog(LOG_NOTICE, "%s: %s", prioname, str); | |
976 | #endif | |
977 | free(str); | |
978 | (void)data; | |
979 | } | |
980 | ||
fa29c0ee | 981 | static int do_modprobe(int argc, char **orig_argv) |
c3d0a5f2 GSB |
982 | { |
983 | struct kmod_ctx *ctx; | |
984 | char **args = NULL, **argv; | |
cb8d4d3e GSB |
985 | const char **config_paths = NULL; |
986 | int nargs = 0, n_config_paths = 0; | |
c3d0a5f2 GSB |
987 | char dirname_buf[PATH_MAX]; |
988 | const char *dirname = NULL; | |
989 | const char *root = NULL; | |
c3d0a5f2 GSB |
990 | const char *kversion = NULL; |
991 | const char *list_type = NULL; | |
992 | int use_all = 0; | |
993 | int do_remove = 0; | |
994 | int do_show_config = 0; | |
995 | int do_show_modversions = 0; | |
c3d0a5f2 GSB |
996 | int err; |
997 | ||
998 | argv = prepend_options_from_env(&argc, orig_argv); | |
999 | if (argv == NULL) { | |
1000 | fputs("Error: could not prepend options from command line\n", | |
1001 | stderr); | |
1002 | return EXIT_FAILURE; | |
1003 | } | |
1004 | ||
1005 | for (;;) { | |
1006 | int c, idx = 0; | |
1007 | c = getopt_long(argc, argv, cmdopts_s, cmdopts, &idx); | |
1008 | if (c == -1) | |
1009 | break; | |
1010 | switch (c) { | |
1011 | case 'a': | |
1012 | log_priority = LOG_WARNING; | |
1013 | use_all = 1; | |
1014 | break; | |
1015 | case 'r': | |
1016 | do_remove = 1; | |
1017 | break; | |
1018 | case 5: | |
1019 | remove_dependencies = 1; | |
1020 | break; | |
1021 | case 'R': | |
8122985d | 1022 | lookup_only = 1; |
c3d0a5f2 GSB |
1023 | break; |
1024 | case 3: | |
1025 | first_time = 1; | |
1026 | break; | |
1027 | case 'i': | |
1028 | ignore_commands = 1; | |
1029 | break; | |
1030 | case 'b': | |
1031 | use_blacklist = 1; | |
1032 | break; | |
1033 | case 'f': | |
1034 | force = 1; | |
1035 | break; | |
1036 | case 2: | |
1037 | strip_modversion = 1; | |
1038 | break; | |
1039 | case 1: | |
1040 | strip_vermagic = 1; | |
1041 | break; | |
1042 | case 't': | |
1043 | list_type = optarg; | |
1044 | break; | |
c3d0a5f2 GSB |
1045 | case 'D': |
1046 | ignore_loaded = 1; | |
1047 | dry_run = 1; | |
525fa07b | 1048 | do_show = 1; |
c3d0a5f2 GSB |
1049 | break; |
1050 | case 'c': | |
1051 | do_show_config = 1; | |
1052 | break; | |
1053 | case 4: | |
1054 | do_show_modversions = 1; | |
1055 | break; | |
1056 | case 'n': | |
1057 | dry_run = 1; | |
1058 | break; | |
cb8d4d3e GSB |
1059 | case 'C': { |
1060 | size_t bytes = sizeof(char *) * (n_config_paths + 2); | |
1061 | void *tmp = realloc(config_paths, bytes); | |
1062 | if (!tmp) { | |
1063 | fputs("Error: out-of-memory\n", stderr); | |
1064 | goto cmdline_failed; | |
1065 | } | |
1066 | config_paths = tmp; | |
1067 | config_paths[n_config_paths] = optarg; | |
1068 | n_config_paths++; | |
1069 | config_paths[n_config_paths] = NULL; | |
1070 | ||
c3d0a5f2 GSB |
1071 | env_modprobe_options_append("-C"); |
1072 | env_modprobe_options_append(optarg); | |
c3d0a5f2 | 1073 | break; |
cb8d4d3e | 1074 | } |
c3d0a5f2 GSB |
1075 | case 'd': |
1076 | root = optarg; | |
1077 | break; | |
1078 | case 'S': | |
1079 | kversion = optarg; | |
1080 | break; | |
1081 | case 's': | |
1082 | env_modprobe_options_append("-s"); | |
1083 | use_syslog = 1; | |
1084 | break; | |
1085 | case 'q': | |
1086 | env_modprobe_options_append("-q"); | |
1087 | verbose--; | |
1088 | break; | |
1089 | case 'v': | |
1090 | env_modprobe_options_append("-v"); | |
1091 | verbose++; | |
1092 | break; | |
1093 | case 'V': | |
1094 | puts(PACKAGE " version " VERSION); | |
1095 | if (argv != orig_argv) | |
1096 | free(argv); | |
5f9f58f9 | 1097 | free(config_paths); |
c3d0a5f2 GSB |
1098 | return EXIT_SUCCESS; |
1099 | case 'h': | |
3e8de63d | 1100 | help(basename(argv[0])); |
c3d0a5f2 GSB |
1101 | if (argv != orig_argv) |
1102 | free(argv); | |
5f9f58f9 | 1103 | free(config_paths); |
c3d0a5f2 GSB |
1104 | return EXIT_SUCCESS; |
1105 | case '?': | |
1106 | goto cmdline_failed; | |
1107 | default: | |
8f192210 LDM |
1108 | fprintf(stderr, "Error: unexpected getopt_long() value '%c'.\n", |
1109 | c); | |
c3d0a5f2 GSB |
1110 | goto cmdline_failed; |
1111 | } | |
1112 | } | |
1113 | ||
1114 | args = argv + optind; | |
1115 | nargs = argc - optind; | |
1116 | ||
b09668cf | 1117 | if (!do_show_config) { |
c3d0a5f2 GSB |
1118 | if (nargs == 0) { |
1119 | fputs("Error: missing parameters. See -h.\n", stderr); | |
1120 | goto cmdline_failed; | |
1121 | } | |
1122 | } | |
1123 | ||
b09668cf | 1124 | if (list_type != NULL) { |
c3d0a5f2 | 1125 | fputs("Error: -t (--type) only supported with -l (--list).\n", |
8f192210 | 1126 | stderr); |
c3d0a5f2 GSB |
1127 | goto cmdline_failed; |
1128 | } | |
1129 | ||
1130 | if (root != NULL || kversion != NULL) { | |
1131 | struct utsname u; | |
1132 | if (root == NULL) | |
1133 | root = ""; | |
1134 | if (kversion == NULL) { | |
1135 | if (uname(&u) < 0) { | |
1136 | fprintf(stderr, "Error: uname() failed: %s\n", | |
1137 | strerror(errno)); | |
1138 | goto cmdline_failed; | |
1139 | } | |
1140 | kversion = u.release; | |
1141 | } | |
8f192210 LDM |
1142 | snprintf(dirname_buf, sizeof(dirname_buf), |
1143 | "%s" ROOTPREFIX "/lib/modules/%s", root, | |
1144 | kversion); | |
c3d0a5f2 GSB |
1145 | dirname = dirname_buf; |
1146 | } | |
1147 | ||
cb8d4d3e | 1148 | ctx = kmod_new(dirname, config_paths); |
c3d0a5f2 GSB |
1149 | if (!ctx) { |
1150 | fputs("Error: kmod_new() failed!\n", stderr); | |
1151 | goto cmdline_failed; | |
1152 | } | |
1153 | kmod_load_resources(ctx); | |
1154 | ||
1155 | kmod_set_log_priority(ctx, verbose); | |
1156 | if (use_syslog) { | |
1157 | openlog("modprobe", LOG_CONS, LOG_DAEMON); | |
1158 | kmod_set_log_fn(ctx, log_syslog, NULL); | |
1159 | } | |
1160 | ||
b09668cf | 1161 | if (do_show_config) |
c3d0a5f2 GSB |
1162 | err = show_config(ctx); |
1163 | else if (do_show_modversions) | |
1164 | err = show_modversions(ctx, args[0]); | |
1165 | else if (do_remove) | |
1166 | err = rmmod_all(ctx, args, use_all ? nargs : 1); | |
1167 | else if (use_all) | |
1168 | err = insmod_all(ctx, args, nargs); | |
1169 | else { | |
1170 | char *opts; | |
1171 | err = options_from_array(args, nargs, &opts); | |
1172 | if (err == 0) { | |
1173 | err = insmod(ctx, args[0], opts); | |
1174 | free(opts); | |
1175 | } | |
1176 | } | |
1177 | ||
1178 | kmod_unref(ctx); | |
1179 | ||
1180 | if (use_syslog) | |
1181 | closelog(); | |
1182 | ||
1183 | if (argv != orig_argv) | |
1184 | free(argv); | |
8f192210 | 1185 | |
cb8d4d3e | 1186 | free(config_paths); |
c3d0a5f2 GSB |
1187 | return err >= 0 ? EXIT_SUCCESS : EXIT_FAILURE; |
1188 | ||
1189 | cmdline_failed: | |
1190 | if (argv != orig_argv) | |
1191 | free(argv); | |
cb8d4d3e | 1192 | free(config_paths); |
c3d0a5f2 GSB |
1193 | return EXIT_FAILURE; |
1194 | } | |
fa29c0ee LDM |
1195 | |
1196 | #ifndef KMOD_BUNDLE_TOOL | |
1197 | int main(int argc, char *argv[]) | |
1198 | { | |
1199 | return do_modprobe(argc, argv); | |
1200 | } | |
1201 | ||
1202 | #else | |
1203 | #include "kmod.h" | |
1204 | ||
1205 | const struct kmod_cmd kmod_cmd_compat_modprobe = { | |
1206 | .name = "modprobe", | |
1207 | .cmd = do_modprobe, | |
1208 | .help = "compat modprobe command", | |
1209 | }; | |
1210 | ||
1211 | #endif |