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Commit | Line | Data |
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e0f83fbe | 1 | /* |
c521693b | 2 | * Copyright (C) IBM Corp. 2003 |
3d94fb87 | 3 | * Copyright (C) SUSE Linux Products GmbH, 2006 |
c521693b | 4 | * |
8b5651bb KS |
5 | * This program is free software: you can redistribute it and/or modify |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation, either version 2 of the License, or | |
8 | * (at your option) any later version. | |
c521693b | 9 | * |
8b5651bb KS |
10 | * This program is distributed in the hope that it will be useful, |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
c521693b GKH |
17 | */ |
18 | ||
19 | #include <stdio.h> | |
20 | #include <stdlib.h> | |
c521693b GKH |
21 | #include <unistd.h> |
22 | #include <signal.h> | |
23 | #include <fcntl.h> | |
24 | #include <errno.h> | |
25 | #include <string.h> | |
26 | #include <syslog.h> | |
27 | #include <stdarg.h> | |
28 | #include <ctype.h> | |
9eaa50d0 | 29 | #include <getopt.h> |
c521693b | 30 | #include <sys/stat.h> |
c521693b | 31 | |
9060b066 KS |
32 | #include "libudev.h" |
33 | #include "libudev-private.h" | |
1aa1e248 | 34 | #include "scsi_id.h" |
c521693b | 35 | |
9eaa50d0 | 36 | static const struct option options[] = { |
912541b0 KS |
37 | { "device", required_argument, NULL, 'd' }, |
38 | { "config", required_argument, NULL, 'f' }, | |
39 | { "page", required_argument, NULL, 'p' }, | |
40 | { "blacklisted", no_argument, NULL, 'b' }, | |
41 | { "whitelisted", no_argument, NULL, 'g' }, | |
42 | { "replace-whitespace", no_argument, NULL, 'u' }, | |
43 | { "sg-version", required_argument, NULL, 's' }, | |
44 | { "verbose", no_argument, NULL, 'v' }, | |
45 | { "version", no_argument, NULL, 'V' }, | |
46 | { "export", no_argument, NULL, 'x' }, | |
47 | { "help", no_argument, NULL, 'h' }, | |
48 | {} | |
9eaa50d0 KS |
49 | }; |
50 | ||
753417db | 51 | static const char short_options[] = "d:f:ghip:uvVx"; |
b484e436 | 52 | static const char dev_short_options[] = "bgp:"; |
c521693b | 53 | |
c521693b | 54 | static int all_good; |
c521693b | 55 | static int dev_specified; |
ff944daa | 56 | static char config_file[MAX_PATH_LEN] = "/etc/scsi_id.config"; |
50be1401 | 57 | static enum page_code default_page_code; |
025570aa | 58 | static int sg_version = 4; |
c521693b GKH |
59 | static int use_stderr; |
60 | static int debug; | |
01f950e2 | 61 | static int reformat_serial; |
34129109 KS |
62 | static int export; |
63 | static char vendor_str[64]; | |
64 | static char model_str[64]; | |
ad88f940 DZ |
65 | static char vendor_enc_str[256]; |
66 | static char model_enc_str[256]; | |
aaff09a3 KS |
67 | static char revision_str[16]; |
68 | static char type_str[16]; | |
c521693b | 69 | |
7d563a17 | 70 | static void log_fn(struct udev *udev, int priority, |
912541b0 KS |
71 | const char *file, int line, const char *fn, |
72 | const char *format, va_list args) | |
c521693b | 73 | { |
912541b0 | 74 | vsyslog(priority, format, args); |
c521693b GKH |
75 | } |
76 | ||
92f43136 | 77 | static void set_type(const char *from, char *to, size_t len) |
aaff09a3 | 78 | { |
912541b0 KS |
79 | int type_num; |
80 | char *eptr; | |
4b0060e6 | 81 | const char *type = "generic"; |
912541b0 KS |
82 | |
83 | type_num = strtoul(from, &eptr, 0); | |
84 | if (eptr != from) { | |
85 | switch (type_num) { | |
86 | case 0: | |
87 | type = "disk"; | |
88 | break; | |
89 | case 1: | |
90 | type = "tape"; | |
91 | break; | |
92 | case 4: | |
93 | type = "optical"; | |
94 | break; | |
95 | case 5: | |
96 | type = "cd"; | |
97 | break; | |
98 | case 7: | |
99 | type = "optical"; | |
100 | break; | |
101 | case 0xe: | |
102 | type = "disk"; | |
103 | break; | |
104 | case 0xf: | |
105 | type = "optical"; | |
106 | break; | |
107 | default: | |
108 | break; | |
109 | } | |
110 | } | |
d5a89d7d | 111 | strscpy(to, len, type); |
34129109 KS |
112 | } |
113 | ||
c521693b GKH |
114 | /* |
115 | * get_value: | |
116 | * | |
117 | * buf points to an '=' followed by a quoted string ("foo") or a string ending | |
118 | * with a space or ','. | |
119 | * | |
120 | * Return a pointer to the NUL terminated string, returns NULL if no | |
121 | * matches. | |
122 | */ | |
123 | static char *get_value(char **buffer) | |
124 | { | |
4b0060e6 KS |
125 | static const char *quote_string = "\"\n"; |
126 | static const char *comma_string = ",\n"; | |
912541b0 | 127 | char *val; |
4b0060e6 | 128 | const char *end; |
912541b0 KS |
129 | |
130 | if (**buffer == '"') { | |
131 | /* | |
132 | * skip leading quote, terminate when quote seen | |
133 | */ | |
134 | (*buffer)++; | |
135 | end = quote_string; | |
136 | } else { | |
137 | end = comma_string; | |
138 | } | |
139 | val = strsep(buffer, end); | |
140 | if (val && end == quote_string) | |
141 | /* | |
142 | * skip trailing quote | |
143 | */ | |
144 | (*buffer)++; | |
145 | ||
146 | while (isspace(**buffer)) | |
147 | (*buffer)++; | |
148 | ||
149 | return val; | |
c521693b GKH |
150 | } |
151 | ||
152 | static int argc_count(char *opts) | |
153 | { | |
912541b0 KS |
154 | int i = 0; |
155 | while (*opts != '\0') | |
156 | if (*opts++ == ' ') | |
157 | i++; | |
158 | return i; | |
c521693b GKH |
159 | } |
160 | ||
161 | /* | |
162 | * get_file_options: | |
163 | * | |
164 | * If vendor == NULL, find a line in the config file with only "OPTIONS="; | |
165 | * if vendor and model are set find the first OPTIONS line in the config | |
166 | * file that matches. Set argc and argv to match the OPTIONS string. | |
167 | * | |
168 | * vendor and model can end in '\n'. | |
169 | */ | |
7d563a17 | 170 | static int get_file_options(struct udev *udev, |
912541b0 KS |
171 | const char *vendor, const char *model, |
172 | int *argc, char ***newargv) | |
c521693b | 173 | { |
912541b0 KS |
174 | char *buffer; |
175 | FILE *fd; | |
176 | char *buf; | |
177 | char *str1; | |
178 | char *vendor_in, *model_in, *options_in; /* read in from file */ | |
179 | int lineno; | |
180 | int c; | |
181 | int retval = 0; | |
182 | ||
47ef94ac | 183 | fd = fopen(config_file, "re"); |
912541b0 | 184 | if (fd == NULL) { |
912541b0 KS |
185 | if (errno == ENOENT) { |
186 | return 1; | |
187 | } else { | |
f5f6d0e2 | 188 | log_error("can't open %s: %m\n", config_file); |
912541b0 KS |
189 | return -1; |
190 | } | |
191 | } | |
192 | ||
193 | /* | |
194 | * Allocate a buffer rather than put it on the stack so we can | |
195 | * keep it around to parse any options (any allocated newargv | |
196 | * points into this buffer for its strings). | |
197 | */ | |
198 | buffer = malloc(MAX_BUFFER_LEN); | |
199 | if (!buffer) { | |
200 | fclose(fd); | |
0d0f0c50 | 201 | return log_oom(); |
912541b0 KS |
202 | } |
203 | ||
204 | *newargv = NULL; | |
205 | lineno = 0; | |
206 | while (1) { | |
207 | vendor_in = model_in = options_in = NULL; | |
208 | ||
209 | buf = fgets(buffer, MAX_BUFFER_LEN, fd); | |
210 | if (buf == NULL) | |
211 | break; | |
212 | lineno++; | |
213 | if (buf[strlen(buffer) - 1] != '\n') { | |
baa30fbc | 214 | log_error("Config file line %d too long\n", lineno); |
912541b0 KS |
215 | break; |
216 | } | |
217 | ||
218 | while (isspace(*buf)) | |
219 | buf++; | |
220 | ||
221 | /* blank or all whitespace line */ | |
222 | if (*buf == '\0') | |
223 | continue; | |
224 | ||
225 | /* comment line */ | |
226 | if (*buf == '#') | |
227 | continue; | |
228 | ||
912541b0 | 229 | str1 = strsep(&buf, "="); |
b43d1d01 | 230 | if (str1 && strcaseeq(str1, "VENDOR")) { |
912541b0 KS |
231 | str1 = get_value(&buf); |
232 | if (!str1) { | |
0d0f0c50 | 233 | retval = log_oom(); |
912541b0 KS |
234 | break; |
235 | } | |
236 | vendor_in = str1; | |
237 | ||
238 | str1 = strsep(&buf, "="); | |
b43d1d01 | 239 | if (str1 && strcaseeq(str1, "MODEL")) { |
912541b0 KS |
240 | str1 = get_value(&buf); |
241 | if (!str1) { | |
0d0f0c50 | 242 | retval = log_oom(); |
912541b0 KS |
243 | break; |
244 | } | |
245 | model_in = str1; | |
246 | str1 = strsep(&buf, "="); | |
247 | } | |
248 | } | |
249 | ||
b43d1d01 | 250 | if (str1 && strcaseeq(str1, "OPTIONS")) { |
912541b0 KS |
251 | str1 = get_value(&buf); |
252 | if (!str1) { | |
0d0f0c50 | 253 | retval = log_oom(); |
912541b0 KS |
254 | break; |
255 | } | |
256 | options_in = str1; | |
257 | } | |
baa30fbc | 258 | |
912541b0 KS |
259 | /* |
260 | * Only allow: [vendor=foo[,model=bar]]options=stuff | |
261 | */ | |
262 | if (!options_in || (!vendor_in && model_in)) { | |
baa30fbc | 263 | log_error("Error parsing config file line %d '%s'\n", lineno, buffer); |
912541b0 KS |
264 | retval = -1; |
265 | break; | |
266 | } | |
267 | if (vendor == NULL) { | |
baa30fbc | 268 | if (vendor_in == NULL) |
912541b0 | 269 | break; |
641906e9 TA |
270 | } else if ((vendor_in && strneq(vendor, vendor_in, |
271 | strlen(vendor_in))) && | |
272 | (!model_in || (strneq(model, model_in, | |
273 | strlen(model_in))))) { | |
912541b0 KS |
274 | /* |
275 | * Matched vendor and optionally model. | |
276 | * | |
277 | * Note: a short vendor_in or model_in can | |
278 | * give a partial match (that is FOO | |
279 | * matches FOOBAR). | |
280 | */ | |
912541b0 | 281 | break; |
912541b0 KS |
282 | } |
283 | } | |
284 | ||
285 | if (retval == 0) { | |
286 | if (vendor_in != NULL || model_in != NULL || | |
287 | options_in != NULL) { | |
288 | /* | |
289 | * Something matched. Allocate newargv, and store | |
290 | * values found in options_in. | |
291 | */ | |
292 | strcpy(buffer, options_in); | |
293 | c = argc_count(buffer) + 2; | |
294 | *newargv = calloc(c, sizeof(**newargv)); | |
295 | if (!*newargv) { | |
0d0f0c50 | 296 | retval = log_oom(); |
912541b0 KS |
297 | } else { |
298 | *argc = c; | |
299 | c = 0; | |
300 | /* | |
301 | * argv[0] at 0 is skipped by getopt, but | |
302 | * store the buffer address there for | |
303 | * later freeing | |
304 | */ | |
305 | (*newargv)[c] = buffer; | |
306 | for (c = 1; c < *argc; c++) | |
307 | (*newargv)[c] = strsep(&buffer, " \t"); | |
308 | } | |
309 | } else { | |
310 | /* No matches */ | |
311 | retval = 1; | |
312 | } | |
313 | } | |
314 | if (retval != 0) | |
315 | free(buffer); | |
316 | fclose(fd); | |
317 | return retval; | |
c521693b GKH |
318 | } |
319 | ||
7d563a17 | 320 | static int set_options(struct udev *udev, |
912541b0 KS |
321 | int argc, char **argv, const char *short_opts, |
322 | char *maj_min_dev) | |
c521693b | 323 | { |
912541b0 KS |
324 | int option; |
325 | ||
326 | /* | |
327 | * optind is a global extern used by getopt. Since we can call | |
328 | * set_options twice (once for command line, and once for config | |
329 | * file) we have to reset this back to 1. | |
330 | */ | |
331 | optind = 1; | |
332 | while (1) { | |
333 | option = getopt_long(argc, argv, short_opts, options, NULL); | |
334 | if (option == -1) | |
335 | break; | |
336 | ||
912541b0 KS |
337 | switch (option) { |
338 | case 'b': | |
339 | all_good = 0; | |
340 | break; | |
341 | ||
342 | case 'd': | |
343 | dev_specified = 1; | |
d5a89d7d | 344 | strscpy(maj_min_dev, MAX_PATH_LEN, optarg); |
912541b0 KS |
345 | break; |
346 | ||
347 | case 'e': | |
348 | use_stderr = 1; | |
349 | break; | |
350 | ||
351 | case 'f': | |
d5a89d7d | 352 | strscpy(config_file, MAX_PATH_LEN, optarg); |
912541b0 KS |
353 | break; |
354 | ||
355 | case 'g': | |
356 | all_good = 1; | |
357 | break; | |
358 | ||
359 | case 'h': | |
360 | printf("Usage: scsi_id OPTIONS <device>\n" | |
361 | " --device= device node for SG_IO commands\n" | |
362 | " --config= location of config file\n" | |
363 | " --page=0x80|0x83|pre-spc3-83 SCSI page (0x80, 0x83, pre-spc3-83)\n" | |
364 | " --sg-version=3|4 use SGv3 or SGv4\n" | |
365 | " --blacklisted threat device as blacklisted\n" | |
366 | " --whitelisted threat device as whitelisted\n" | |
367 | " --replace-whitespace replace all whitespaces by underscores\n" | |
368 | " --verbose verbose logging\n" | |
369 | " --version print version\n" | |
370 | " --export print values as environment keys\n" | |
371 | " --help print this help text\n\n"); | |
372 | exit(0); | |
373 | ||
374 | case 'p': | |
090be865 | 375 | if (streq(optarg, "0x80")) { |
912541b0 | 376 | default_page_code = PAGE_80; |
090be865 | 377 | } else if (streq(optarg, "0x83")) { |
912541b0 | 378 | default_page_code = PAGE_83; |
090be865 | 379 | } else if (streq(optarg, "pre-spc3-83")) { |
912541b0 KS |
380 | default_page_code = PAGE_83_PRE_SPC3; |
381 | } else { | |
baa30fbc | 382 | log_error("Unknown page code '%s'\n", optarg); |
912541b0 KS |
383 | return -1; |
384 | } | |
385 | break; | |
386 | ||
387 | case 's': | |
388 | sg_version = atoi(optarg); | |
389 | if (sg_version < 3 || sg_version > 4) { | |
baa30fbc | 390 | log_error("Unknown SG version '%s'\n", optarg); |
912541b0 KS |
391 | return -1; |
392 | } | |
393 | break; | |
394 | ||
395 | case 'u': | |
396 | reformat_serial = 1; | |
397 | break; | |
398 | ||
399 | case 'x': | |
400 | export = 1; | |
401 | break; | |
402 | ||
403 | case 'v': | |
404 | debug++; | |
405 | break; | |
406 | ||
407 | case 'V': | |
408 | printf("%s\n", VERSION); | |
409 | exit(0); | |
410 | break; | |
411 | ||
412 | default: | |
413 | exit(1); | |
414 | } | |
415 | } | |
416 | if (optind < argc && !dev_specified) { | |
417 | dev_specified = 1; | |
d5a89d7d | 418 | strscpy(maj_min_dev, MAX_PATH_LEN, argv[optind]); |
912541b0 KS |
419 | } |
420 | return 0; | |
c521693b GKH |
421 | } |
422 | ||
7d563a17 | 423 | static int per_dev_options(struct udev *udev, |
912541b0 | 424 | struct scsi_id_device *dev_scsi, int *good_bad, int *page_code) |
c521693b | 425 | { |
912541b0 KS |
426 | int retval; |
427 | int newargc; | |
428 | char **newargv = NULL; | |
429 | int option; | |
430 | ||
431 | *good_bad = all_good; | |
432 | *page_code = default_page_code; | |
433 | ||
434 | retval = get_file_options(udev, vendor_str, model_str, &newargc, &newargv); | |
435 | ||
436 | optind = 1; /* reset this global extern */ | |
437 | while (retval == 0) { | |
438 | option = getopt_long(newargc, newargv, dev_short_options, options, NULL); | |
439 | if (option == -1) | |
440 | break; | |
441 | ||
912541b0 KS |
442 | switch (option) { |
443 | case 'b': | |
444 | *good_bad = 0; | |
445 | break; | |
446 | ||
447 | case 'g': | |
448 | *good_bad = 1; | |
449 | break; | |
450 | ||
451 | case 'p': | |
090be865 | 452 | if (streq(optarg, "0x80")) { |
912541b0 | 453 | *page_code = PAGE_80; |
090be865 | 454 | } else if (streq(optarg, "0x83")) { |
912541b0 | 455 | *page_code = PAGE_83; |
090be865 | 456 | } else if (streq(optarg, "pre-spc3-83")) { |
912541b0 KS |
457 | *page_code = PAGE_83_PRE_SPC3; |
458 | } else { | |
baa30fbc | 459 | log_error("Unknown page code '%s'\n", optarg); |
912541b0 KS |
460 | retval = -1; |
461 | } | |
462 | break; | |
463 | ||
464 | default: | |
baa30fbc | 465 | log_error("Unknown or bad option '%c' (0x%x)\n", option, option); |
912541b0 KS |
466 | retval = -1; |
467 | break; | |
468 | } | |
469 | } | |
470 | ||
471 | if (newargv) { | |
472 | free(newargv[0]); | |
473 | free(newargv); | |
474 | } | |
475 | return retval; | |
c521693b GKH |
476 | } |
477 | ||
7d563a17 | 478 | static int set_inq_values(struct udev *udev, struct scsi_id_device *dev_scsi, const char *path) |
87cf9f5a | 479 | { |
912541b0 | 480 | int retval; |
87cf9f5a | 481 | |
912541b0 | 482 | dev_scsi->use_sg = sg_version; |
78d9ecfd | 483 | |
912541b0 KS |
484 | retval = scsi_std_inquiry(udev, dev_scsi, path); |
485 | if (retval) | |
486 | return retval; | |
87cf9f5a | 487 | |
912541b0 KS |
488 | udev_util_encode_string(dev_scsi->vendor, vendor_enc_str, sizeof(vendor_enc_str)); |
489 | udev_util_encode_string(dev_scsi->model, model_enc_str, sizeof(model_enc_str)); | |
ad88f940 | 490 | |
912541b0 KS |
491 | util_replace_whitespace(dev_scsi->vendor, vendor_str, sizeof(vendor_str)); |
492 | util_replace_chars(vendor_str, NULL); | |
493 | util_replace_whitespace(dev_scsi->model, model_str, sizeof(model_str)); | |
494 | util_replace_chars(model_str, NULL); | |
495 | set_type(dev_scsi->type, type_str, sizeof(type_str)); | |
496 | util_replace_whitespace(dev_scsi->revision, revision_str, sizeof(revision_str)); | |
497 | util_replace_chars(revision_str, NULL); | |
498 | return 0; | |
87cf9f5a HR |
499 | } |
500 | ||
c521693b GKH |
501 | /* |
502 | * scsi_id: try to get an id, if one is found, printf it to stdout. | |
caf4c97a | 503 | * returns a value passed to exit() - 0 if printed an id, else 1. |
c521693b | 504 | */ |
7d563a17 | 505 | static int scsi_id(struct udev *udev, char *maj_min_dev) |
c521693b | 506 | { |
912541b0 KS |
507 | struct scsi_id_device dev_scsi; |
508 | int good_dev; | |
509 | int page_code; | |
510 | int retval = 0; | |
511 | ||
512 | memset(&dev_scsi, 0x00, sizeof(struct scsi_id_device)); | |
513 | ||
514 | if (set_inq_values(udev, &dev_scsi, maj_min_dev) < 0) { | |
515 | retval = 1; | |
516 | goto out; | |
517 | } | |
518 | ||
519 | /* get per device (vendor + model) options from the config file */ | |
520 | per_dev_options(udev, &dev_scsi, &good_dev, &page_code); | |
912541b0 KS |
521 | if (!good_dev) { |
522 | retval = 1; | |
523 | goto out; | |
524 | } | |
525 | ||
526 | /* read serial number from mode pages (no values for optical drives) */ | |
527 | scsi_get_serial(udev, &dev_scsi, maj_min_dev, page_code, MAX_SERIAL_LEN); | |
528 | ||
529 | if (export) { | |
530 | char serial_str[MAX_SERIAL_LEN]; | |
531 | ||
532 | printf("ID_SCSI=1\n"); | |
533 | printf("ID_VENDOR=%s\n", vendor_str); | |
534 | printf("ID_VENDOR_ENC=%s\n", vendor_enc_str); | |
535 | printf("ID_MODEL=%s\n", model_str); | |
536 | printf("ID_MODEL_ENC=%s\n", model_enc_str); | |
537 | printf("ID_REVISION=%s\n", revision_str); | |
538 | printf("ID_TYPE=%s\n", type_str); | |
539 | if (dev_scsi.serial[0] != '\0') { | |
540 | util_replace_whitespace(dev_scsi.serial, serial_str, sizeof(serial_str)); | |
541 | util_replace_chars(serial_str, NULL); | |
542 | printf("ID_SERIAL=%s\n", serial_str); | |
543 | util_replace_whitespace(dev_scsi.serial_short, serial_str, sizeof(serial_str)); | |
544 | util_replace_chars(serial_str, NULL); | |
545 | printf("ID_SERIAL_SHORT=%s\n", serial_str); | |
546 | } | |
547 | if (dev_scsi.wwn[0] != '\0') { | |
548 | printf("ID_WWN=0x%s\n", dev_scsi.wwn); | |
549 | if (dev_scsi.wwn_vendor_extension[0] != '\0') { | |
550 | printf("ID_WWN_VENDOR_EXTENSION=0x%s\n", dev_scsi.wwn_vendor_extension); | |
551 | printf("ID_WWN_WITH_EXTENSION=0x%s%s\n", dev_scsi.wwn, dev_scsi.wwn_vendor_extension); | |
552 | } else { | |
553 | printf("ID_WWN_WITH_EXTENSION=0x%s\n", dev_scsi.wwn); | |
554 | } | |
555 | } | |
556 | if (dev_scsi.tgpt_group[0] != '\0') { | |
557 | printf("ID_TARGET_PORT=%s\n", dev_scsi.tgpt_group); | |
558 | } | |
559 | if (dev_scsi.unit_serial_number[0] != '\0') { | |
560 | printf("ID_SCSI_SERIAL=%s\n", dev_scsi.unit_serial_number); | |
561 | } | |
562 | goto out; | |
563 | } | |
564 | ||
565 | if (dev_scsi.serial[0] == '\0') { | |
566 | retval = 1; | |
567 | goto out; | |
568 | } | |
569 | ||
570 | if (reformat_serial) { | |
571 | char serial_str[MAX_SERIAL_LEN]; | |
572 | ||
573 | util_replace_whitespace(dev_scsi.serial, serial_str, sizeof(serial_str)); | |
574 | util_replace_chars(serial_str, NULL); | |
575 | printf("%s\n", serial_str); | |
576 | goto out; | |
577 | } | |
578 | ||
579 | printf("%s\n", dev_scsi.serial); | |
caf4c97a | 580 | out: |
912541b0 | 581 | return retval; |
c521693b GKH |
582 | } |
583 | ||
584 | int main(int argc, char **argv) | |
585 | { | |
912541b0 KS |
586 | struct udev *udev; |
587 | int retval = 0; | |
588 | char maj_min_dev[MAX_PATH_LEN]; | |
589 | int newargc; | |
590 | char **newargv; | |
591 | ||
592 | udev = udev_new(); | |
593 | if (udev == NULL) | |
594 | goto exit; | |
595 | ||
baa30fbc | 596 | log_open(); |
912541b0 KS |
597 | udev_set_log_fn(udev, log_fn); |
598 | ||
599 | /* | |
600 | * Get config file options. | |
601 | */ | |
602 | newargv = NULL; | |
603 | retval = get_file_options(udev, NULL, NULL, &newargc, &newargv); | |
604 | if (retval < 0) { | |
605 | retval = 1; | |
606 | goto exit; | |
607 | } | |
608 | if (newargv && (retval == 0)) { | |
609 | if (set_options(udev, newargc, newargv, short_options, maj_min_dev) < 0) { | |
610 | retval = 2; | |
611 | goto exit; | |
612 | } | |
613 | free(newargv); | |
614 | } | |
615 | ||
616 | /* | |
617 | * Get command line options (overriding any config file settings). | |
618 | */ | |
619 | if (set_options(udev, argc, argv, short_options, maj_min_dev) < 0) | |
620 | exit(1); | |
621 | ||
622 | if (!dev_specified) { | |
baa30fbc | 623 | log_error("no device specified\n"); |
912541b0 KS |
624 | retval = 1; |
625 | goto exit; | |
626 | } | |
627 | ||
628 | retval = scsi_id(udev, maj_min_dev); | |
1aa1e248 KS |
629 | |
630 | exit: | |
912541b0 | 631 | udev_unref(udev); |
baa30fbc | 632 | log_close(); |
912541b0 | 633 | return retval; |
c521693b | 634 | } |