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Commit | Line | Data |
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e7145211 | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
e0f83fbe | 2 | /* |
810adae9 LP |
3 | * Copyright © IBM Corp. 2003 |
4 | * Copyright © SUSE Linux Products GmbH, 2006 | |
c521693b GKH |
5 | */ |
6 | ||
07630cea LP |
7 | #include <ctype.h> |
8 | #include <errno.h> | |
9 | #include <fcntl.h> | |
10 | #include <getopt.h> | |
11 | #include <signal.h> | |
ed142bdb ZJS |
12 | #include <stdarg.h> |
13 | #include <stdbool.h> | |
07630cea LP |
14 | #include <stdio.h> |
15 | #include <stdlib.h> | |
c521693b | 16 | #include <string.h> |
c521693b | 17 | #include <sys/stat.h> |
07630cea | 18 | #include <unistd.h> |
c521693b | 19 | |
152d0efa | 20 | #include "alloc-util.h" |
681bd2c5 | 21 | #include "build.h" |
3ffd4af2 | 22 | #include "fd-util.h" |
5ea78a39 | 23 | #include "libudev-util.h" |
1aa1e248 | 24 | #include "scsi_id.h" |
07630cea | 25 | #include "string-util.h" |
5ea78a39 | 26 | #include "strxcpyx.h" |
ed142bdb | 27 | #include "udev-util.h" |
c521693b | 28 | |
9eaa50d0 | 29 | static const struct option options[] = { |
ed142bdb ZJS |
30 | { "device", required_argument, NULL, 'd' }, |
31 | { "config", required_argument, NULL, 'f' }, | |
32 | { "page", required_argument, NULL, 'p' }, | |
33 | { "blacklisted", no_argument, NULL, 'b' }, | |
34 | { "whitelisted", no_argument, NULL, 'g' }, | |
35 | { "replace-whitespace", no_argument, NULL, 'u' }, | |
36 | { "sg-version", required_argument, NULL, 's' }, | |
37 | { "verbose", no_argument, NULL, 'v' }, | |
7643ac9a | 38 | { "version", no_argument, NULL, 'V' }, /* don't advertise -V */ |
ed142bdb ZJS |
39 | { "export", no_argument, NULL, 'x' }, |
40 | { "help", no_argument, NULL, 'h' }, | |
912541b0 | 41 | {} |
9eaa50d0 KS |
42 | }; |
43 | ||
ed142bdb ZJS |
44 | static bool all_good = false; |
45 | static bool dev_specified = false; | |
ff944daa | 46 | static char config_file[MAX_PATH_LEN] = "/etc/scsi_id.config"; |
ed142bdb | 47 | static enum page_code default_page_code = PAGE_UNSPECIFIED; |
025570aa | 48 | static int sg_version = 4; |
ed142bdb ZJS |
49 | static bool reformat_serial = false; |
50 | static bool export = false; | |
34129109 KS |
51 | static char vendor_str[64]; |
52 | static char model_str[64]; | |
ad88f940 DZ |
53 | static char vendor_enc_str[256]; |
54 | static char model_enc_str[256]; | |
aaff09a3 KS |
55 | static char revision_str[16]; |
56 | static char type_str[16]; | |
c521693b | 57 | |
057fc051 | 58 | static void set_type(const char *from, char *to, size_t len) { |
912541b0 KS |
59 | int type_num; |
60 | char *eptr; | |
4b0060e6 | 61 | const char *type = "generic"; |
912541b0 KS |
62 | |
63 | type_num = strtoul(from, &eptr, 0); | |
64 | if (eptr != from) { | |
65 | switch (type_num) { | |
66 | case 0: | |
67 | type = "disk"; | |
68 | break; | |
69 | case 1: | |
70 | type = "tape"; | |
71 | break; | |
72 | case 4: | |
73 | type = "optical"; | |
74 | break; | |
75 | case 5: | |
76 | type = "cd"; | |
77 | break; | |
78 | case 7: | |
79 | type = "optical"; | |
80 | break; | |
81 | case 0xe: | |
82 | type = "disk"; | |
83 | break; | |
84 | case 0xf: | |
85 | type = "optical"; | |
86 | break; | |
87 | default: | |
88 | break; | |
89 | } | |
90 | } | |
d5a89d7d | 91 | strscpy(to, len, type); |
34129109 KS |
92 | } |
93 | ||
c521693b GKH |
94 | /* |
95 | * get_value: | |
96 | * | |
97 | * buf points to an '=' followed by a quoted string ("foo") or a string ending | |
98 | * with a space or ','. | |
99 | * | |
100 | * Return a pointer to the NUL terminated string, returns NULL if no | |
101 | * matches. | |
102 | */ | |
057fc051 | 103 | static char *get_value(char **buffer) { |
4b0060e6 KS |
104 | static const char *quote_string = "\"\n"; |
105 | static const char *comma_string = ",\n"; | |
912541b0 | 106 | char *val; |
4b0060e6 | 107 | const char *end; |
912541b0 KS |
108 | |
109 | if (**buffer == '"') { | |
110 | /* | |
111 | * skip leading quote, terminate when quote seen | |
112 | */ | |
113 | (*buffer)++; | |
114 | end = quote_string; | |
115 | } else { | |
116 | end = comma_string; | |
117 | } | |
118 | val = strsep(buffer, end); | |
119 | if (val && end == quote_string) | |
120 | /* | |
121 | * skip trailing quote | |
122 | */ | |
123 | (*buffer)++; | |
124 | ||
125 | while (isspace(**buffer)) | |
126 | (*buffer)++; | |
127 | ||
128 | return val; | |
c521693b GKH |
129 | } |
130 | ||
057fc051 | 131 | static int argc_count(char *opts) { |
912541b0 KS |
132 | int i = 0; |
133 | while (*opts != '\0') | |
134 | if (*opts++ == ' ') | |
135 | i++; | |
136 | return i; | |
c521693b GKH |
137 | } |
138 | ||
139 | /* | |
140 | * get_file_options: | |
141 | * | |
142 | * If vendor == NULL, find a line in the config file with only "OPTIONS="; | |
143 | * if vendor and model are set find the first OPTIONS line in the config | |
144 | * file that matches. Set argc and argv to match the OPTIONS string. | |
145 | * | |
146 | * vendor and model can end in '\n'. | |
147 | */ | |
efc2774c YW |
148 | static int get_file_options(const char *vendor, const char *model, |
149 | int *argc, char ***newargv) { | |
3ad97058 | 150 | _cleanup_free_ char *buffer = NULL; |
ed142bdb | 151 | _cleanup_fclose_ FILE *f; |
912541b0 KS |
152 | char *buf; |
153 | char *str1; | |
154 | char *vendor_in, *model_in, *options_in; /* read in from file */ | |
155 | int lineno; | |
156 | int c; | |
157 | int retval = 0; | |
158 | ||
ed142bdb ZJS |
159 | f = fopen(config_file, "re"); |
160 | if (f == NULL) { | |
161 | if (errno == ENOENT) | |
912541b0 | 162 | return 1; |
ed142bdb | 163 | else { |
56f64d95 | 164 | log_error_errno(errno, "can't open %s: %m", config_file); |
912541b0 KS |
165 | return -1; |
166 | } | |
167 | } | |
168 | ||
169 | /* | |
170 | * Allocate a buffer rather than put it on the stack so we can | |
171 | * keep it around to parse any options (any allocated newargv | |
172 | * points into this buffer for its strings). | |
173 | */ | |
174 | buffer = malloc(MAX_BUFFER_LEN); | |
ed142bdb | 175 | if (!buffer) |
0d0f0c50 | 176 | return log_oom(); |
912541b0 KS |
177 | |
178 | *newargv = NULL; | |
179 | lineno = 0; | |
57255510 | 180 | for (;;) { |
912541b0 KS |
181 | vendor_in = model_in = options_in = NULL; |
182 | ||
ed142bdb | 183 | buf = fgets(buffer, MAX_BUFFER_LEN, f); |
912541b0 KS |
184 | if (buf == NULL) |
185 | break; | |
186 | lineno++; | |
187 | if (buf[strlen(buffer) - 1] != '\n') { | |
9f6445e3 | 188 | log_error("Config file line %d too long", lineno); |
912541b0 KS |
189 | break; |
190 | } | |
191 | ||
192 | while (isspace(*buf)) | |
193 | buf++; | |
194 | ||
195 | /* blank or all whitespace line */ | |
196 | if (*buf == '\0') | |
197 | continue; | |
198 | ||
199 | /* comment line */ | |
200 | if (*buf == '#') | |
201 | continue; | |
202 | ||
912541b0 | 203 | str1 = strsep(&buf, "="); |
b43d1d01 | 204 | if (str1 && strcaseeq(str1, "VENDOR")) { |
912541b0 KS |
205 | str1 = get_value(&buf); |
206 | if (!str1) { | |
0d0f0c50 | 207 | retval = log_oom(); |
912541b0 KS |
208 | break; |
209 | } | |
210 | vendor_in = str1; | |
211 | ||
212 | str1 = strsep(&buf, "="); | |
b43d1d01 | 213 | if (str1 && strcaseeq(str1, "MODEL")) { |
912541b0 KS |
214 | str1 = get_value(&buf); |
215 | if (!str1) { | |
0d0f0c50 | 216 | retval = log_oom(); |
912541b0 KS |
217 | break; |
218 | } | |
219 | model_in = str1; | |
220 | str1 = strsep(&buf, "="); | |
221 | } | |
222 | } | |
223 | ||
b43d1d01 | 224 | if (str1 && strcaseeq(str1, "OPTIONS")) { |
912541b0 KS |
225 | str1 = get_value(&buf); |
226 | if (!str1) { | |
0d0f0c50 | 227 | retval = log_oom(); |
912541b0 KS |
228 | break; |
229 | } | |
230 | options_in = str1; | |
231 | } | |
baa30fbc | 232 | |
912541b0 KS |
233 | /* |
234 | * Only allow: [vendor=foo[,model=bar]]options=stuff | |
235 | */ | |
236 | if (!options_in || (!vendor_in && model_in)) { | |
9f6445e3 | 237 | log_error("Error parsing config file line %d '%s'", lineno, buffer); |
912541b0 KS |
238 | retval = -1; |
239 | break; | |
240 | } | |
241 | if (vendor == NULL) { | |
baa30fbc | 242 | if (vendor_in == NULL) |
912541b0 | 243 | break; |
ed142bdb | 244 | } else if (vendor_in && |
0caa9946 YW |
245 | startswith(vendor, vendor_in) && |
246 | (!model_in || startswith(model, model_in))) { | |
912541b0 KS |
247 | /* |
248 | * Matched vendor and optionally model. | |
249 | * | |
250 | * Note: a short vendor_in or model_in can | |
251 | * give a partial match (that is FOO | |
252 | * matches FOOBAR). | |
253 | */ | |
912541b0 | 254 | break; |
912541b0 KS |
255 | } |
256 | } | |
257 | ||
258 | if (retval == 0) { | |
259 | if (vendor_in != NULL || model_in != NULL || | |
260 | options_in != NULL) { | |
261 | /* | |
262 | * Something matched. Allocate newargv, and store | |
263 | * values found in options_in. | |
264 | */ | |
265 | strcpy(buffer, options_in); | |
266 | c = argc_count(buffer) + 2; | |
267 | *newargv = calloc(c, sizeof(**newargv)); | |
1f6b4113 | 268 | if (!*newargv) |
0d0f0c50 | 269 | retval = log_oom(); |
1f6b4113 | 270 | else { |
912541b0 KS |
271 | *argc = c; |
272 | c = 0; | |
273 | /* | |
274 | * argv[0] at 0 is skipped by getopt, but | |
275 | * store the buffer address there for | |
276 | * later freeing | |
277 | */ | |
278 | (*newargv)[c] = buffer; | |
279 | for (c = 1; c < *argc; c++) | |
280 | (*newargv)[c] = strsep(&buffer, " \t"); | |
3ad97058 | 281 | buffer = NULL; |
912541b0 KS |
282 | } |
283 | } else { | |
284 | /* No matches */ | |
285 | retval = 1; | |
286 | } | |
287 | } | |
912541b0 | 288 | return retval; |
c521693b GKH |
289 | } |
290 | ||
7643ac9a | 291 | static void help(void) { |
5ac0162c LP |
292 | printf("Usage: %s [OPTION...] DEVICE\n\n" |
293 | "SCSI device identification.\n\n" | |
294 | " -h --help Print this message\n" | |
295 | " --version Print version of the program\n\n" | |
296 | " -d --device= Device node for SG_IO commands\n" | |
297 | " -f --config= Location of config file\n" | |
298 | " -p --page=0x80|0x83|pre-spc3-83 SCSI page (0x80, 0x83, pre-spc3-83)\n" | |
299 | " -s --sg-version=3|4 Use SGv3 or SGv4\n" | |
300 | " -b --blacklisted Treat device as blacklisted\n" | |
301 | " -g --whitelisted Treat device as whitelisted\n" | |
302 | " -u --replace-whitespace Replace all whitespace by underscores\n" | |
303 | " -v --verbose Verbose logging\n" | |
304 | " -x --export Print values as environment keys\n" | |
305 | , program_invocation_short_name); | |
7643ac9a ZJS |
306 | |
307 | } | |
308 | ||
efc2774c YW |
309 | static int set_options(int argc, char **argv, |
310 | char *maj_min_dev) { | |
912541b0 KS |
311 | int option; |
312 | ||
313 | /* | |
314 | * optind is a global extern used by getopt. Since we can call | |
315 | * set_options twice (once for command line, and once for config | |
316 | * file) we have to reset this back to 1. | |
317 | */ | |
318 | optind = 1; | |
ebc6f34a | 319 | while ((option = getopt_long(argc, argv, "d:f:gp:uvVxhbs:", options, NULL)) >= 0) |
912541b0 KS |
320 | switch (option) { |
321 | case 'b': | |
ed142bdb | 322 | all_good = false; |
912541b0 KS |
323 | break; |
324 | ||
325 | case 'd': | |
ed142bdb | 326 | dev_specified = true; |
d5a89d7d | 327 | strscpy(maj_min_dev, MAX_PATH_LEN, optarg); |
912541b0 KS |
328 | break; |
329 | ||
912541b0 | 330 | case 'f': |
d5a89d7d | 331 | strscpy(config_file, MAX_PATH_LEN, optarg); |
912541b0 KS |
332 | break; |
333 | ||
334 | case 'g': | |
ed142bdb | 335 | all_good = true; |
912541b0 KS |
336 | break; |
337 | ||
338 | case 'h': | |
7643ac9a | 339 | help(); |
a45d7127 | 340 | exit(EXIT_SUCCESS); |
912541b0 KS |
341 | |
342 | case 'p': | |
ed142bdb | 343 | if (streq(optarg, "0x80")) |
912541b0 | 344 | default_page_code = PAGE_80; |
ed142bdb | 345 | else if (streq(optarg, "0x83")) |
912541b0 | 346 | default_page_code = PAGE_83; |
ed142bdb | 347 | else if (streq(optarg, "pre-spc3-83")) |
912541b0 | 348 | default_page_code = PAGE_83_PRE_SPC3; |
ed142bdb | 349 | else { |
9f6445e3 | 350 | log_error("Unknown page code '%s'", optarg); |
912541b0 KS |
351 | return -1; |
352 | } | |
353 | break; | |
354 | ||
355 | case 's': | |
356 | sg_version = atoi(optarg); | |
357 | if (sg_version < 3 || sg_version > 4) { | |
9f6445e3 | 358 | log_error("Unknown SG version '%s'", optarg); |
912541b0 KS |
359 | return -1; |
360 | } | |
361 | break; | |
362 | ||
363 | case 'u': | |
ed142bdb | 364 | reformat_serial = true; |
912541b0 KS |
365 | break; |
366 | ||
367 | case 'v': | |
5168f84a LP |
368 | log_set_target(LOG_TARGET_CONSOLE); |
369 | log_set_max_level(LOG_DEBUG); | |
5168f84a | 370 | log_open(); |
912541b0 KS |
371 | break; |
372 | ||
373 | case 'V': | |
681bd2c5 | 374 | printf("%s\n", GIT_VERSION); |
a45d7127 | 375 | exit(EXIT_SUCCESS); |
912541b0 | 376 | |
ed142bdb ZJS |
377 | case 'x': |
378 | export = true; | |
379 | break; | |
380 | ||
381 | case '?': | |
382 | return -1; | |
383 | ||
912541b0 | 384 | default: |
ed142bdb | 385 | assert_not_reached("Unknown option"); |
912541b0 | 386 | } |
ed142bdb | 387 | |
912541b0 | 388 | if (optind < argc && !dev_specified) { |
ed142bdb | 389 | dev_specified = true; |
d5a89d7d | 390 | strscpy(maj_min_dev, MAX_PATH_LEN, argv[optind]); |
912541b0 | 391 | } |
ed142bdb | 392 | |
912541b0 | 393 | return 0; |
c521693b GKH |
394 | } |
395 | ||
efc2774c | 396 | static int per_dev_options(struct scsi_id_device *dev_scsi, int *good_bad, int *page_code) { |
912541b0 KS |
397 | int retval; |
398 | int newargc; | |
399 | char **newargv = NULL; | |
400 | int option; | |
401 | ||
402 | *good_bad = all_good; | |
403 | *page_code = default_page_code; | |
404 | ||
efc2774c | 405 | retval = get_file_options(vendor_str, model_str, &newargc, &newargv); |
912541b0 KS |
406 | |
407 | optind = 1; /* reset this global extern */ | |
408 | while (retval == 0) { | |
ed142bdb | 409 | option = getopt_long(newargc, newargv, "bgp:", options, NULL); |
912541b0 KS |
410 | if (option == -1) |
411 | break; | |
412 | ||
912541b0 KS |
413 | switch (option) { |
414 | case 'b': | |
415 | *good_bad = 0; | |
416 | break; | |
417 | ||
418 | case 'g': | |
419 | *good_bad = 1; | |
420 | break; | |
421 | ||
422 | case 'p': | |
090be865 | 423 | if (streq(optarg, "0x80")) { |
912541b0 | 424 | *page_code = PAGE_80; |
090be865 | 425 | } else if (streq(optarg, "0x83")) { |
912541b0 | 426 | *page_code = PAGE_83; |
090be865 | 427 | } else if (streq(optarg, "pre-spc3-83")) { |
912541b0 KS |
428 | *page_code = PAGE_83_PRE_SPC3; |
429 | } else { | |
9f6445e3 | 430 | log_error("Unknown page code '%s'", optarg); |
912541b0 KS |
431 | retval = -1; |
432 | } | |
433 | break; | |
434 | ||
435 | default: | |
9f6445e3 | 436 | log_error("Unknown or bad option '%c' (0x%x)", option, option); |
912541b0 KS |
437 | retval = -1; |
438 | break; | |
439 | } | |
440 | } | |
441 | ||
442 | if (newargv) { | |
443 | free(newargv[0]); | |
444 | free(newargv); | |
445 | } | |
446 | return retval; | |
c521693b GKH |
447 | } |
448 | ||
efc2774c | 449 | static int set_inq_values(struct scsi_id_device *dev_scsi, const char *path) { |
912541b0 | 450 | int retval; |
87cf9f5a | 451 | |
912541b0 | 452 | dev_scsi->use_sg = sg_version; |
78d9ecfd | 453 | |
efc2774c | 454 | retval = scsi_std_inquiry(dev_scsi, path); |
912541b0 KS |
455 | if (retval) |
456 | return retval; | |
87cf9f5a | 457 | |
912541b0 KS |
458 | udev_util_encode_string(dev_scsi->vendor, vendor_enc_str, sizeof(vendor_enc_str)); |
459 | udev_util_encode_string(dev_scsi->model, model_enc_str, sizeof(model_enc_str)); | |
ad88f940 | 460 | |
c0c59154 | 461 | util_replace_whitespace(dev_scsi->vendor, vendor_str, sizeof(vendor_str)-1); |
912541b0 | 462 | util_replace_chars(vendor_str, NULL); |
c0c59154 | 463 | util_replace_whitespace(dev_scsi->model, model_str, sizeof(model_str)-1); |
912541b0 KS |
464 | util_replace_chars(model_str, NULL); |
465 | set_type(dev_scsi->type, type_str, sizeof(type_str)); | |
c0c59154 | 466 | util_replace_whitespace(dev_scsi->revision, revision_str, sizeof(revision_str)-1); |
912541b0 KS |
467 | util_replace_chars(revision_str, NULL); |
468 | return 0; | |
87cf9f5a HR |
469 | } |
470 | ||
c521693b GKH |
471 | /* |
472 | * scsi_id: try to get an id, if one is found, printf it to stdout. | |
caf4c97a | 473 | * returns a value passed to exit() - 0 if printed an id, else 1. |
c521693b | 474 | */ |
efc2774c | 475 | static int scsi_id(char *maj_min_dev) { |
ed142bdb | 476 | struct scsi_id_device dev_scsi = {}; |
912541b0 KS |
477 | int good_dev; |
478 | int page_code; | |
479 | int retval = 0; | |
480 | ||
efc2774c | 481 | if (set_inq_values(&dev_scsi, maj_min_dev) < 0) { |
912541b0 KS |
482 | retval = 1; |
483 | goto out; | |
484 | } | |
485 | ||
486 | /* get per device (vendor + model) options from the config file */ | |
efc2774c | 487 | per_dev_options(&dev_scsi, &good_dev, &page_code); |
912541b0 KS |
488 | if (!good_dev) { |
489 | retval = 1; | |
490 | goto out; | |
491 | } | |
492 | ||
493 | /* read serial number from mode pages (no values for optical drives) */ | |
efc2774c | 494 | scsi_get_serial(&dev_scsi, maj_min_dev, page_code, MAX_SERIAL_LEN); |
912541b0 KS |
495 | |
496 | if (export) { | |
497 | char serial_str[MAX_SERIAL_LEN]; | |
498 | ||
499 | printf("ID_SCSI=1\n"); | |
500 | printf("ID_VENDOR=%s\n", vendor_str); | |
501 | printf("ID_VENDOR_ENC=%s\n", vendor_enc_str); | |
502 | printf("ID_MODEL=%s\n", model_str); | |
503 | printf("ID_MODEL_ENC=%s\n", model_enc_str); | |
504 | printf("ID_REVISION=%s\n", revision_str); | |
505 | printf("ID_TYPE=%s\n", type_str); | |
506 | if (dev_scsi.serial[0] != '\0') { | |
c0c59154 | 507 | util_replace_whitespace(dev_scsi.serial, serial_str, sizeof(serial_str)-1); |
912541b0 KS |
508 | util_replace_chars(serial_str, NULL); |
509 | printf("ID_SERIAL=%s\n", serial_str); | |
c0c59154 | 510 | util_replace_whitespace(dev_scsi.serial_short, serial_str, sizeof(serial_str)-1); |
912541b0 KS |
511 | util_replace_chars(serial_str, NULL); |
512 | printf("ID_SERIAL_SHORT=%s\n", serial_str); | |
513 | } | |
514 | if (dev_scsi.wwn[0] != '\0') { | |
515 | printf("ID_WWN=0x%s\n", dev_scsi.wwn); | |
516 | if (dev_scsi.wwn_vendor_extension[0] != '\0') { | |
517 | printf("ID_WWN_VENDOR_EXTENSION=0x%s\n", dev_scsi.wwn_vendor_extension); | |
518 | printf("ID_WWN_WITH_EXTENSION=0x%s%s\n", dev_scsi.wwn, dev_scsi.wwn_vendor_extension); | |
1f6b4113 | 519 | } else |
912541b0 | 520 | printf("ID_WWN_WITH_EXTENSION=0x%s\n", dev_scsi.wwn); |
912541b0 | 521 | } |
1f6b4113 | 522 | if (dev_scsi.tgpt_group[0] != '\0') |
912541b0 | 523 | printf("ID_TARGET_PORT=%s\n", dev_scsi.tgpt_group); |
1f6b4113 | 524 | if (dev_scsi.unit_serial_number[0] != '\0') |
912541b0 | 525 | printf("ID_SCSI_SERIAL=%s\n", dev_scsi.unit_serial_number); |
912541b0 KS |
526 | goto out; |
527 | } | |
528 | ||
529 | if (dev_scsi.serial[0] == '\0') { | |
530 | retval = 1; | |
531 | goto out; | |
532 | } | |
533 | ||
534 | if (reformat_serial) { | |
535 | char serial_str[MAX_SERIAL_LEN]; | |
536 | ||
c0c59154 | 537 | util_replace_whitespace(dev_scsi.serial, serial_str, sizeof(serial_str)-1); |
912541b0 KS |
538 | util_replace_chars(serial_str, NULL); |
539 | printf("%s\n", serial_str); | |
540 | goto out; | |
541 | } | |
542 | ||
543 | printf("%s\n", dev_scsi.serial); | |
caf4c97a | 544 | out: |
912541b0 | 545 | return retval; |
c521693b GKH |
546 | } |
547 | ||
8e766630 | 548 | int main(int argc, char **argv) { |
912541b0 KS |
549 | int retval = 0; |
550 | char maj_min_dev[MAX_PATH_LEN]; | |
551 | int newargc; | |
ed142bdb | 552 | char **newargv = NULL; |
912541b0 | 553 | |
b237a168 ZJS |
554 | log_set_target(LOG_TARGET_AUTO); |
555 | udev_parse_config(); | |
5168f84a LP |
556 | log_parse_environment(); |
557 | log_open(); | |
558 | ||
912541b0 KS |
559 | /* |
560 | * Get config file options. | |
561 | */ | |
efc2774c | 562 | retval = get_file_options(NULL, NULL, &newargc, &newargv); |
912541b0 KS |
563 | if (retval < 0) { |
564 | retval = 1; | |
565 | goto exit; | |
566 | } | |
ed142bdb ZJS |
567 | if (retval == 0) { |
568 | assert(newargv); | |
569 | ||
efc2774c | 570 | if (set_options(newargc, newargv, maj_min_dev) < 0) { |
912541b0 KS |
571 | retval = 2; |
572 | goto exit; | |
573 | } | |
912541b0 KS |
574 | } |
575 | ||
576 | /* | |
577 | * Get command line options (overriding any config file settings). | |
578 | */ | |
efc2774c | 579 | if (set_options(argc, argv, maj_min_dev) < 0) |
a45d7127 | 580 | exit(EXIT_FAILURE); |
912541b0 KS |
581 | |
582 | if (!dev_specified) { | |
5ac0162c | 583 | log_error("No device specified."); |
912541b0 KS |
584 | retval = 1; |
585 | goto exit; | |
586 | } | |
587 | ||
efc2774c | 588 | retval = scsi_id(maj_min_dev); |
1aa1e248 KS |
589 | |
590 | exit: | |
ed142bdb ZJS |
591 | if (newargv) { |
592 | free(newargv[0]); | |
593 | free(newargv); | |
594 | } | |
baa30fbc | 595 | log_close(); |
912541b0 | 596 | return retval; |
c521693b | 597 | } |