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Commit | Line | Data |
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22853e4a | 1 | /* |
9e95aa12 KZ |
2 | * SPDX-License-Identifier: GPL-2.0-or-later |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * | |
c4ecaf21 | 10 | * partx: tell the kernel about your disk's partitions |
22853e4a KZ |
11 | * [This is not an fdisk - adding and removing partitions |
12 | * is not a change of the disk, but just telling the kernel | |
13 | * about presence and numbering of on-disk partitions.] | |
14 | * | |
22853e4a | 15 | * aeb, 2000-03-21 -- sah is 42 now |
c4ecaf21 DB |
16 | * |
17 | * Copyright (C) 2010 Davidlohr Bueso <dave@gnu.org> | |
a9485396 | 18 | * Rewritten to use libblkid for util-linux |
c4ecaf21 | 19 | * based on ideas from Karel Zak <kzak@redhat.com> |
22853e4a | 20 | */ |
22853e4a | 21 | #include <stdio.h> |
22853e4a KZ |
22 | #include <errno.h> |
23 | #include <stdlib.h> | |
c4ecaf21 | 24 | #include <ctype.h> |
22853e4a | 25 | #include <getopt.h> |
1d4ad1de | 26 | #include <unistd.h> |
c4ecaf21 | 27 | #include <assert.h> |
c4ecaf21 DB |
28 | #include <dirent.h> |
29 | ||
30 | #include <blkid.h> | |
016aa0ac | 31 | #include <libsmartcols.h> |
0d518f34 | 32 | |
1aff9b62 | 33 | #include "c.h" |
c4ecaf21 DB |
34 | #include "pathnames.h" |
35 | #include "nls.h" | |
0d518f34 | 36 | #include "blkdev.h" |
c4ecaf21 DB |
37 | #include "strutils.h" |
38 | #include "xalloc.h" | |
22853e4a | 39 | #include "partx.h" |
a88268b8 | 40 | #include "sysfs.h" |
0e938113 | 41 | #include "loopdev.h" |
757bbfad | 42 | #include "closestream.h" |
6320c5aa | 43 | #include "optutils.h" |
22853e4a | 44 | |
c4ecaf21 DB |
45 | /* this is the default upper limit, could be modified by --nr */ |
46 | #define SLICES_MAX 256 | |
47 | ||
016aa0ac OO |
48 | /* basic table settings */ |
49 | enum { | |
50 | PARTX_RAW = (1 << 0), | |
51 | PARTX_NOHEADINGS = (1 << 1), | |
52 | PARTX_EXPORT = (1 << 2), | |
53 | }; | |
54 | ||
c4ecaf21 DB |
55 | /* all the columns (-o option) */ |
56 | enum { | |
57 | COL_PARTNO, | |
58 | COL_START, | |
59 | COL_END, | |
60 | COL_SECTORS, | |
61 | COL_SIZE, | |
62 | COL_NAME, | |
63 | COL_UUID, | |
64 | COL_TYPE, | |
5de966b3 KZ |
65 | COL_FLAGS, |
66 | COL_SCHEME, | |
c4ecaf21 | 67 | }; |
22853e4a | 68 | |
6320c5aa | 69 | #define ACT_ERROR "--{add,delete,show,list,raw,pairs}" |
c4ecaf21 | 70 | enum { |
6320c5aa SK |
71 | ACT_NONE, |
72 | ACT_LIST, | |
c4ecaf21 DB |
73 | ACT_SHOW, |
74 | ACT_ADD, | |
3b905b79 | 75 | ACT_UPD, |
c4ecaf21 DB |
76 | ACT_DELETE |
77 | }; | |
78 | ||
79 | enum { | |
80 | FL_BYTES = (1 << 1) | |
81 | }; | |
82 | ||
83 | /* column names */ | |
84 | struct colinfo { | |
37b2b3fa TW |
85 | const char * const name; /* header */ |
86 | double whint; /* width hint (N < 1 is in percent of termwidth) */ | |
87 | int flags; /* SCOLS_FL_* */ | |
88 | const char *help; | |
c4ecaf21 | 89 | }; |
22853e4a | 90 | |
c4ecaf21 | 91 | /* columns descriptions */ |
37b2b3fa | 92 | static const struct colinfo infos[] = { |
016aa0ac OO |
93 | [COL_PARTNO] = { "NR", 0.25, SCOLS_FL_RIGHT, N_("partition number") }, |
94 | [COL_START] = { "START", 0.30, SCOLS_FL_RIGHT, N_("start of the partition in sectors") }, | |
95 | [COL_END] = { "END", 0.30, SCOLS_FL_RIGHT, N_("end of the partition in sectors") }, | |
96 | [COL_SECTORS] = { "SECTORS", 0.30, SCOLS_FL_RIGHT, N_("number of sectors") }, | |
97 | [COL_SIZE] = { "SIZE", 0.30, SCOLS_FL_RIGHT, N_("human readable size") }, | |
98 | [COL_NAME] = { "NAME", 0.30, SCOLS_FL_TRUNC, N_("partition name") }, | |
c4ecaf21 | 99 | [COL_UUID] = { "UUID", 36, 0, N_("partition UUID")}, |
016aa0ac OO |
100 | [COL_SCHEME] = { "SCHEME", 0.1, SCOLS_FL_TRUNC, N_("partition table type (dos, gpt, ...)")}, |
101 | [COL_FLAGS] = { "FLAGS", 0.1, SCOLS_FL_TRUNC, N_("partition flags")}, | |
102 | [COL_TYPE] = { "TYPE", 1, SCOLS_FL_RIGHT, N_("partition type (a string, a UUID, or hex)")}, | |
c4ecaf21 | 103 | }; |
10ebfeea DB |
104 | |
105 | #define NCOLS ARRAY_SIZE(infos) | |
106 | ||
c4ecaf21 | 107 | /* array with IDs of enabled columns */ |
40b17508 | 108 | static int columns[NCOLS]; |
2ba641e5 | 109 | static size_t ncolumns; |
c4ecaf21 DB |
110 | |
111 | static int verbose; | |
112 | static int partx_flags; | |
0e938113 DB |
113 | static struct loopdev_cxt lc; |
114 | static int loopdev; | |
22853e4a | 115 | |
0e938113 DB |
116 | static void assoc_loopdev(const char *fname) |
117 | { | |
118 | int rc; | |
119 | ||
defa0710 KZ |
120 | if (loopcxt_init(&lc, 0)) |
121 | err(EXIT_FAILURE, _("failed to initialize loopcxt")); | |
0e938113 DB |
122 | |
123 | rc = loopcxt_find_unused(&lc); | |
124 | if (rc) | |
125 | err(EXIT_FAILURE, _("%s: failed to find unused loop device"), | |
126 | fname); | |
127 | ||
128 | if (verbose) | |
129 | printf(_("Trying to use '%s' for the loop device\n"), | |
130 | loopcxt_get_device(&lc)); | |
131 | ||
132 | if (loopcxt_set_backing_file(&lc, fname)) | |
133 | err(EXIT_FAILURE, _("%s: failed to set backing file"), fname); | |
134 | ||
135 | rc = loopcxt_setup_device(&lc); | |
136 | ||
137 | if (rc == -EBUSY) | |
dbfff473 | 138 | err(EXIT_FAILURE, _("%s: failed to set up loop device"), fname); |
0e938113 DB |
139 | |
140 | loopdev = 1; | |
141 | } | |
22853e4a | 142 | |
c4ecaf21 | 143 | static inline int get_column_id(int num) |
1d4ad1de | 144 | { |
10ebfeea | 145 | assert(ARRAY_SIZE(columns) == NCOLS); |
b9710f1f | 146 | assert((size_t)num < ncolumns); |
10ebfeea | 147 | assert(columns[num] < (int) NCOLS); |
c4ecaf21 | 148 | return columns[num]; |
22853e4a KZ |
149 | } |
150 | ||
37b2b3fa | 151 | static inline const struct colinfo *get_column_info(int num) |
1d4ad1de | 152 | { |
c4ecaf21 | 153 | return &infos[ get_column_id(num) ]; |
22853e4a KZ |
154 | } |
155 | ||
c4ecaf21 DB |
156 | static int column_name_to_id(const char *name, size_t namesz) |
157 | { | |
10ebfeea | 158 | size_t i; |
22853e4a | 159 | |
c4ecaf21 | 160 | assert(name); |
22853e4a | 161 | |
10ebfeea | 162 | for (i = 0; i < NCOLS; i++) { |
c4ecaf21 | 163 | const char *cn = infos[i].name; |
22853e4a | 164 | |
c4ecaf21 DB |
165 | if (!strncasecmp(name, cn, namesz) && !*(cn + namesz)) |
166 | return i; | |
22853e4a | 167 | } |
c4ecaf21 DB |
168 | warnx(_("unknown column: %s"), name); |
169 | return -1; | |
170 | } | |
22853e4a | 171 | |
c4ecaf21 DB |
172 | /* |
173 | * Given a partition return the corresponding partition number. | |
174 | * | |
175 | * Note that this function tries to use sysfs, otherwise it assumes that the | |
176 | * last characters are always numeric (sda1, sdc20, etc). | |
c4ecaf21 DB |
177 | */ |
178 | static int get_partno_from_device(char *partition, dev_t devno) | |
179 | { | |
180 | int partno = 0; | |
181 | size_t sz; | |
182 | char *p, *end = NULL; | |
183 | ||
184 | assert(partition); | |
185 | ||
186 | if (devno) { | |
61bc5fd1 | 187 | struct path_cxt *pc; |
43e3f054 | 188 | int rc; |
a88268b8 | 189 | |
61bc5fd1 KZ |
190 | pc = ul_new_sysfs_path(devno, NULL, NULL); |
191 | if (!pc) | |
5bfbbc78 KZ |
192 | goto err; |
193 | ||
61bc5fd1 KZ |
194 | rc = ul_path_read_s32(pc, &partno, "partition"); |
195 | ul_unref_path(pc); | |
43e3f054 KZ |
196 | |
197 | if (rc == 0) | |
c4ecaf21 DB |
198 | return partno; |
199 | } | |
22853e4a | 200 | |
c4ecaf21 DB |
201 | sz = strlen(partition); |
202 | p = partition + sz - 1; | |
22853e4a | 203 | |
bae57b5a | 204 | if (!isdigit((unsigned char) *p)) |
c4ecaf21 | 205 | goto err; |
22853e4a | 206 | |
bae57b5a | 207 | while (isdigit((unsigned char) *(p - 1))) p--; |
c4ecaf21 DB |
208 | |
209 | errno = 0; | |
210 | partno = strtol(p, &end, 10); | |
211 | if (errno || !end || *end || p == end) | |
212 | goto err; | |
213 | ||
214 | return partno; | |
215 | err: | |
216 | errx(EXIT_FAILURE, _("%s: failed to get partition number"), partition); | |
217 | } | |
218 | ||
219 | static int get_max_partno(const char *disk, dev_t devno) | |
220 | { | |
741a5b10 | 221 | char path[PATH_MAX], *parent, *dirname = NULL; |
c4ecaf21 DB |
222 | struct stat st; |
223 | DIR *dir; | |
224 | struct dirent *d; | |
225 | int partno = 0; | |
226 | ||
227 | if (!devno && !stat(disk, &st)) | |
228 | devno = st.st_rdev; | |
229 | if (!devno) | |
230 | goto dflt; | |
231 | parent = strrchr(disk, '/'); | |
232 | if (!parent) | |
233 | goto dflt; | |
234 | parent++; | |
235 | ||
236 | snprintf(path, sizeof(path), _PATH_SYS_DEVBLOCK "/%d:%d/", | |
237 | major(devno), minor(devno)); | |
238 | ||
239 | dir = opendir(path); | |
240 | if (!dir) | |
241 | goto dflt; | |
242 | ||
741a5b10 KZ |
243 | dirname = xstrdup(path); |
244 | ||
245 | while ((d = readdir(dir))) { | |
c4ecaf21 DB |
246 | int fd; |
247 | ||
248 | if (!strcmp(d->d_name, ".") || | |
249 | !strcmp(d->d_name, "..")) | |
250 | continue; | |
251 | #ifdef _DIRENT_HAVE_D_TYPE | |
a7c60528 | 252 | if (d->d_type != DT_DIR && d->d_type != DT_UNKNOWN) |
c4ecaf21 DB |
253 | continue; |
254 | #endif | |
ad296391 | 255 | if (strncmp(parent, d->d_name, strlen(parent)) != 0) |
c4ecaf21 DB |
256 | continue; |
257 | snprintf(path, sizeof(path), "%s/partition", d->d_name); | |
258 | ||
2208b3cc | 259 | fd = openat(dirfd(dir), path, O_RDONLY); |
c4ecaf21 DB |
260 | if (fd) { |
261 | int x = 0; | |
262 | FILE *f = fdopen(fd, "r"); | |
263 | if (f) { | |
264 | if (fscanf(f, "%d", &x) == 1 && x > partno) | |
265 | partno = x; | |
266 | fclose(f); | |
22853e4a | 267 | } |
22853e4a | 268 | } |
22853e4a KZ |
269 | } |
270 | ||
741a5b10 | 271 | free(dirname); |
c4ecaf21 DB |
272 | closedir(dir); |
273 | return partno; | |
274 | dflt: | |
275 | return SLICES_MAX; | |
276 | } | |
277 | ||
2d47fa39 KZ |
278 | static int recount_range_by_pt(blkid_partlist ls, int *lower, int *upper) |
279 | { | |
280 | int n = 0, i, nparts = blkid_partlist_numof_partitions(ls); | |
281 | ||
282 | for (i = 0; i < nparts; i++) { | |
283 | blkid_partition par = blkid_partlist_get_partition(ls, i); | |
284 | int partno = blkid_partition_get_partno(par); | |
285 | n = max(partno, n); | |
286 | } | |
287 | ||
288 | if (*lower < 0) | |
289 | *lower = n + *lower + 1; | |
290 | if (*upper < 0) | |
291 | *upper = n + *upper + 1; | |
292 | ||
293 | if (*lower > *upper && *upper != 0) { | |
294 | warnx(_("specified range <%d:%d> does not make sense"), *lower, *upper); | |
295 | return -EINVAL; | |
296 | } | |
297 | if (verbose) | |
298 | printf(_("range recount: max partno=%d, lower=%d, upper=%d\n"), n, *lower, *upper); | |
299 | return 0; | |
300 | } | |
301 | ||
c4ecaf21 DB |
302 | static void del_parts_warnx(const char *device, int first, int last) |
303 | { | |
304 | if (first == last) | |
305 | warnx(_("%s: error deleting partition %d"), device, first); | |
306 | else | |
307 | warnx(_("%s: error deleting partitions %d-%d"), | |
308 | device, first, last); | |
309 | } | |
310 | ||
311 | static int del_parts(int fd, const char *device, dev_t devno, | |
312 | int lower, int upper) | |
313 | { | |
314 | int rc = 0, i, errfirst = 0, errlast = 0; | |
315 | ||
316 | assert(fd >= 0); | |
317 | assert(device); | |
318 | ||
2d47fa39 | 319 | /* recount range by information in /sys */ |
c4ecaf21 DB |
320 | if (!lower) |
321 | lower = 1; | |
322 | if (!upper || lower < 0 || upper < 0) { | |
323 | int n = get_max_partno(device, devno); | |
324 | if (!upper) | |
325 | upper = n; | |
326 | else if (upper < 0) | |
327 | upper = n + upper + 1; | |
328 | if (lower < 0) | |
329 | lower = n + lower + 1; | |
330 | } | |
331 | if (lower > upper) { | |
144df9a2 | 332 | warnx(_("specified range <%d:%d> " |
c4ecaf21 DB |
333 | "does not make sense"), lower, upper); |
334 | return -1; | |
335 | } | |
336 | ||
337 | for (i = lower; i <= upper; i++) { | |
53ae7d60 | 338 | if (partx_del_partition(fd, i) == 0) { |
c4ecaf21 DB |
339 | if (verbose) |
340 | printf(_("%s: partition #%d removed\n"), device, i); | |
341 | continue; | |
042f62df RP |
342 | } |
343 | ||
344 | if (errno == ENXIO) { | |
ab025087 | 345 | if (verbose) |
4b8dfcc8 | 346 | printf(_("%s: partition #%d doesn't exist\n"), device, i); |
ab025087 | 347 | continue; |
c4ecaf21 DB |
348 | } |
349 | rc = -1; | |
350 | if (verbose) | |
144df9a2 | 351 | warn(_("%s: deleting partition #%d failed"), device, i); |
c4ecaf21 DB |
352 | if (!errfirst) |
353 | errlast = errfirst = i; | |
354 | else if (errlast + 1 == i) | |
355 | errlast++; | |
356 | else { | |
357 | del_parts_warnx(device, errfirst, errlast); | |
358 | errlast = errfirst = i; | |
22853e4a | 359 | } |
22853e4a KZ |
360 | } |
361 | ||
c4ecaf21 DB |
362 | if (errfirst) |
363 | del_parts_warnx(device, errfirst, errlast); | |
364 | return rc; | |
365 | } | |
366 | ||
0e938113 | 367 | |
c4ecaf21 DB |
368 | static void add_parts_warnx(const char *device, int first, int last) |
369 | { | |
370 | if (first == last) | |
371 | warnx(_("%s: error adding partition %d"), device, first); | |
372 | else | |
373 | warnx(_("%s: error adding partitions %d-%d"), | |
374 | device, first, last); | |
375 | } | |
376 | ||
377 | static int add_parts(int fd, const char *device, | |
0e938113 | 378 | blkid_partlist ls, int lower, int upper) |
c4ecaf21 | 379 | { |
2d47fa39 | 380 | int i, nparts, rc, errfirst = 0, errlast = 0; |
c4ecaf21 DB |
381 | |
382 | assert(fd >= 0); | |
383 | assert(device); | |
384 | assert(ls); | |
385 | ||
2d47fa39 KZ |
386 | rc = recount_range_by_pt(ls, &lower, &upper); |
387 | if (rc) | |
388 | return rc; | |
389 | ||
c4ecaf21 DB |
390 | nparts = blkid_partlist_numof_partitions(ls); |
391 | ||
392 | for (i = 0; i < nparts; i++) { | |
393 | blkid_partition par = blkid_partlist_get_partition(ls, i); | |
394 | int n = blkid_partition_get_partno(par); | |
395 | uintmax_t start, size; | |
396 | ||
397 | if (lower && n < lower) | |
398 | continue; | |
399 | if (upper && n > upper) | |
400 | continue; | |
401 | ||
402 | start = blkid_partition_get_start(par); | |
403 | size = blkid_partition_get_size(par); | |
404 | ||
405 | if (blkid_partition_is_extended(par)) | |
406 | /* | |
144df9a2 BS |
407 | * Let's follow the Linux kernel and reduce |
408 | * DOS extended partition to 1 or 2 sectors. | |
c4ecaf21 DB |
409 | */ |
410 | size = min(size, (uintmax_t) 2); | |
411 | ||
412 | if (partx_add_partition(fd, n, start, size) == 0) { | |
413 | if (verbose) | |
414 | printf(_("%s: partition #%d added\n"), device, n); | |
415 | continue; | |
416 | } | |
417 | rc = -1; | |
418 | if (verbose) | |
144df9a2 | 419 | warn(_("%s: adding partition #%d failed"), device, n); |
c4ecaf21 DB |
420 | if (!errfirst) |
421 | errlast = errfirst = n; | |
422 | else if (errlast + 1 == n) | |
423 | errlast++; | |
424 | else { | |
425 | add_parts_warnx(device, errfirst, errlast); | |
426 | errlast = errfirst = n; | |
427 | } | |
22853e4a | 428 | } |
c4ecaf21 DB |
429 | |
430 | if (errfirst) | |
431 | add_parts_warnx(device, errfirst, errlast); | |
0e938113 | 432 | |
59d749c3 KZ |
433 | /* |
434 | * The kernel with enabled partitions scanner for loop devices add *all* | |
435 | * partitions, so we should delete any extra, unwanted ones, when the -n | |
436 | * option is passed. | |
437 | */ | |
438 | if (loopdev && loopcxt_is_partscan(&lc) && (lower || upper)) { | |
0e938113 DB |
439 | for (i = 0; i < nparts; i++) { |
440 | blkid_partition par = blkid_partlist_get_partition(ls, i); | |
441 | int n = blkid_partition_get_partno(par); | |
442 | ||
443 | if (n < lower || n > upper) | |
444 | partx_del_partition(fd, n); | |
445 | } | |
446 | } | |
447 | ||
c4ecaf21 DB |
448 | return rc; |
449 | } | |
450 | ||
3b905b79 PS |
451 | static void upd_parts_warnx(const char *device, int first, int last) |
452 | { | |
453 | if (first == last) | |
454 | warnx(_("%s: error updating partition %d"), device, first); | |
455 | else | |
456 | warnx(_("%s: error updating partitions %d-%d"), | |
457 | device, first, last); | |
458 | } | |
459 | ||
460 | static int upd_parts(int fd, const char *device, dev_t devno, | |
461 | blkid_partlist ls, int lower, int upper) | |
462 | { | |
84ac3112 | 463 | int n, nparts, rc = 0, errfirst = 0, errlast = 0, err; |
3b905b79 PS |
464 | blkid_partition par; |
465 | uintmax_t start, size; | |
466 | ||
467 | assert(fd >= 0); | |
468 | assert(device); | |
469 | assert(ls); | |
470 | ||
2d47fa39 KZ |
471 | /* recount range by information in /sys, if on disk number of |
472 | * partitions is greater than in /sys the use on-disk limit */ | |
3b905b79 PS |
473 | nparts = blkid_partlist_numof_partitions(ls); |
474 | if (!lower) | |
475 | lower = 1; | |
476 | if (!upper || lower < 0 || upper < 0) { | |
477 | n = get_max_partno(device, devno); | |
478 | if (!upper) | |
479 | upper = n > nparts ? n : nparts; | |
480 | else if (upper < 0) | |
481 | upper = n + upper + 1; | |
482 | if (lower < 0) | |
483 | lower = n + lower + 1; | |
484 | } | |
485 | if (lower > upper) { | |
486 | warnx(_("specified range <%d:%d> " | |
487 | "does not make sense"), lower, upper); | |
488 | return -1; | |
489 | } | |
490 | ||
84ac3112 | 491 | for (n = lower; n <= upper; n++) { |
c62f164c | 492 | par = blkid_partlist_get_partition_by_partno(ls, n); |
84ac3112 SM |
493 | if (!par) { |
494 | if (verbose) | |
495 | warn(_("%s: no partition #%d"), device, n); | |
3b905b79 | 496 | continue; |
84ac3112 | 497 | } |
3b905b79 PS |
498 | |
499 | start = blkid_partition_get_start(par); | |
500 | size = blkid_partition_get_size(par); | |
3b905b79 PS |
501 | if (blkid_partition_is_extended(par)) |
502 | /* | |
503 | * Let's follow the Linux kernel and reduce | |
504 | * DOS extended partition to 1 or 2 sectors. | |
505 | */ | |
506 | size = min(size, (uintmax_t) 2); | |
507 | ||
508 | err = partx_del_partition(fd, n); | |
509 | if (err == -1 && errno == ENXIO) | |
510 | err = 0; /* good, it already doesn't exist */ | |
84ac3112 | 511 | if (err == -1 && errno == EBUSY) |
3b905b79 | 512 | { |
84ac3112 SM |
513 | /* try to resize */ |
514 | err = partx_resize_partition(fd, n, start, size); | |
515 | if (verbose) | |
516 | printf(_("%s: partition #%d resized\n"), device, n); | |
517 | if (err == 0) | |
3b905b79 | 518 | continue; |
3b905b79 | 519 | } |
84ac3112 SM |
520 | if (err == 0 && partx_add_partition(fd, n, start, size) == 0) { |
521 | if (verbose) | |
522 | printf(_("%s: partition #%d added\n"), device, n); | |
523 | continue; | |
524 | } | |
525 | ||
3b905b79 PS |
526 | if (err == 0) |
527 | continue; | |
528 | rc = -1; | |
529 | if (verbose) | |
530 | warn(_("%s: updating partition #%d failed"), device, n); | |
531 | if (!errfirst) | |
532 | errlast = errfirst = n; | |
533 | else if (errlast + 1 == n) | |
534 | errlast++; | |
535 | else { | |
536 | upd_parts_warnx(device, errfirst, errlast); | |
537 | errlast = errfirst = n; | |
538 | } | |
539 | } | |
540 | ||
541 | if (errfirst) | |
542 | upd_parts_warnx(device, errfirst, errlast); | |
543 | return rc; | |
544 | } | |
545 | ||
c4ecaf21 DB |
546 | static int list_parts(blkid_partlist ls, int lower, int upper) |
547 | { | |
2d47fa39 | 548 | int i, nparts, rc; |
c4ecaf21 DB |
549 | |
550 | assert(ls); | |
551 | ||
2d47fa39 KZ |
552 | rc = recount_range_by_pt(ls, &lower, &upper); |
553 | if (rc) | |
554 | return rc; | |
555 | ||
c4ecaf21 DB |
556 | nparts = blkid_partlist_numof_partitions(ls); |
557 | ||
558 | for (i = 0; i < nparts; i++) { | |
559 | blkid_partition par = blkid_partlist_get_partition(ls, i); | |
560 | int n = blkid_partition_get_partno(par); | |
561 | uintmax_t start, size; | |
562 | ||
563 | if (lower && n < lower) | |
564 | continue; | |
565 | if (upper && n > upper) | |
566 | continue; | |
567 | ||
568 | start = blkid_partition_get_start(par); | |
569 | size = blkid_partition_get_size(par); | |
570 | ||
0df61bea BS |
571 | printf(P_("#%2d: %9ju-%9ju (%9ju sector, %6ju MB)\n", |
572 | "#%2d: %9ju-%9ju (%9ju sectors, %6ju MB)\n", | |
573 | size), | |
c4ecaf21 DB |
574 | n, start, start + size -1, |
575 | size, (size << 9) / 1000000); | |
22853e4a | 576 | } |
c4ecaf21 DB |
577 | return 0; |
578 | } | |
579 | ||
3b80b370 | 580 | static int add_scols_line(struct libscols_table *table, blkid_partition par) |
c4ecaf21 | 581 | { |
016aa0ac | 582 | struct libscols_line *line; |
3b80b370 | 583 | int i, rc = 0; |
c4ecaf21 | 584 | |
016aa0ac | 585 | assert(table); |
c4ecaf21 | 586 | assert(par); |
22853e4a | 587 | |
016aa0ac | 588 | line = scols_table_new_line(table, NULL); |
c4ecaf21 | 589 | if (!line) { |
780ce22c | 590 | warn(_("failed to allocate output line")); |
3b80b370 | 591 | return -ENOMEM; |
22853e4a | 592 | } |
22853e4a | 593 | |
b9710f1f | 594 | for (i = 0; (size_t)i < ncolumns; i++) { |
3b80b370 KZ |
595 | char *str = NULL; /* allocated string */ |
596 | const char *cstr = NULL; /* foreign string */ | |
c4ecaf21 DB |
597 | |
598 | switch (get_column_id(i)) { | |
599 | case COL_PARTNO: | |
8acf2fb6 | 600 | xasprintf(&str, "%d", blkid_partition_get_partno(par)); |
c4ecaf21 DB |
601 | break; |
602 | case COL_START: | |
8acf2fb6 | 603 | xasprintf(&str, "%ju", blkid_partition_get_start(par)); |
c4ecaf21 DB |
604 | break; |
605 | case COL_END: | |
8acf2fb6 | 606 | xasprintf(&str, "%ju", |
c4ecaf21 DB |
607 | blkid_partition_get_start(par) + |
608 | blkid_partition_get_size(par) - 1); | |
609 | break; | |
610 | case COL_SECTORS: | |
8acf2fb6 | 611 | xasprintf(&str, "%ju", blkid_partition_get_size(par)); |
c4ecaf21 DB |
612 | break; |
613 | case COL_SIZE: | |
614 | if (partx_flags & FL_BYTES) | |
8acf2fb6 | 615 | xasprintf(&str, "%ju", (uintmax_t) |
c4ecaf21 | 616 | blkid_partition_get_size(par) << 9); |
5de966b3 | 617 | else |
5d2a9849 | 618 | str = size_to_human_string(SIZE_SUFFIX_1LETTER, |
c4ecaf21 | 619 | blkid_partition_get_size(par) << 9); |
c4ecaf21 DB |
620 | break; |
621 | case COL_NAME: | |
3b80b370 | 622 | cstr = blkid_partition_get_name(par); |
c4ecaf21 DB |
623 | break; |
624 | case COL_UUID: | |
3b80b370 | 625 | cstr = blkid_partition_get_uuid(par); |
c4ecaf21 DB |
626 | break; |
627 | case COL_TYPE: | |
6df8dcfb | 628 | if (blkid_partition_get_type_string(par)) |
3b80b370 | 629 | cstr = blkid_partition_get_type_string(par); |
5de966b3 | 630 | else |
8acf2fb6 | 631 | xasprintf(&str, "0x%x", |
5de966b3 | 632 | blkid_partition_get_type(par)); |
c4ecaf21 | 633 | break; |
5de966b3 | 634 | case COL_FLAGS: |
8acf2fb6 | 635 | xasprintf(&str, "0x%llx", blkid_partition_get_flags(par)); |
5de966b3 KZ |
636 | break; |
637 | case COL_SCHEME: | |
638 | { | |
639 | blkid_parttable tab = blkid_partition_get_table(par); | |
6df8dcfb | 640 | if (tab) |
3b80b370 | 641 | cstr = blkid_parttable_get_type(tab); |
5de966b3 KZ |
642 | break; |
643 | } | |
c4ecaf21 DB |
644 | default: |
645 | break; | |
646 | } | |
647 | ||
3b80b370 KZ |
648 | if (cstr) |
649 | rc = scols_line_set_data(line, i, cstr); | |
650 | else if (str) | |
651 | rc = scols_line_refer_data(line, i, str); | |
652 | if (rc) { | |
780ce22c | 653 | warn(_("failed to add output data")); |
3b80b370 KZ |
654 | break; |
655 | } | |
22853e4a | 656 | } |
3b80b370 KZ |
657 | |
658 | return rc; | |
c4ecaf21 | 659 | } |
22853e4a | 660 | |
016aa0ac | 661 | static int show_parts(blkid_partlist ls, int scols_flags, int lower, int upper) |
c4ecaf21 DB |
662 | { |
663 | int i, rc = -1; | |
016aa0ac | 664 | struct libscols_table *table; |
c4ecaf21 | 665 | int nparts; |
22853e4a | 666 | |
c4ecaf21 DB |
667 | assert(ls); |
668 | ||
669 | nparts = blkid_partlist_numof_partitions(ls); | |
670 | if (!nparts) | |
671 | return 0; | |
672 | ||
710ed55d | 673 | scols_init_debug(0); |
0925a9dd | 674 | table = scols_new_table(); |
016aa0ac | 675 | if (!table) { |
780ce22c | 676 | warn(_("failed to allocate output table")); |
c4ecaf21 | 677 | return -1; |
22853e4a | 678 | } |
0925a9dd KZ |
679 | scols_table_enable_raw(table, !!(scols_flags & PARTX_RAW)); |
680 | scols_table_enable_export(table, !!(scols_flags & PARTX_EXPORT)); | |
681 | scols_table_enable_noheadings(table, !!(scols_flags & PARTX_NOHEADINGS)); | |
22853e4a | 682 | |
b9710f1f | 683 | for (i = 0; (size_t)i < ncolumns; i++) { |
37b2b3fa | 684 | const struct colinfo *col = get_column_info(i); |
c4ecaf21 | 685 | |
016aa0ac | 686 | if (!scols_table_new_column(table, col->name, col->whint, col->flags)) { |
780ce22c | 687 | warnx(_("failed to allocate output column")); |
c4ecaf21 | 688 | goto done; |
22853e4a KZ |
689 | } |
690 | } | |
691 | ||
2d47fa39 KZ |
692 | rc = recount_range_by_pt(ls, &lower, &upper); |
693 | if (rc) | |
694 | goto done; | |
695 | ||
c4ecaf21 DB |
696 | for (i = 0; i < nparts; i++) { |
697 | blkid_partition par = blkid_partlist_get_partition(ls, i); | |
698 | int n = blkid_partition_get_partno(par); | |
22853e4a | 699 | |
c4ecaf21 DB |
700 | if (lower && n < lower) |
701 | continue; | |
702 | if (upper && n > upper) | |
703 | continue; | |
22853e4a | 704 | |
3b80b370 KZ |
705 | rc = add_scols_line(table, par); |
706 | if (rc) | |
707 | break; | |
22853e4a | 708 | } |
c4ecaf21 DB |
709 | |
710 | rc = 0; | |
016aa0ac | 711 | scols_print_table(table); |
c4ecaf21 | 712 | done: |
016aa0ac | 713 | scols_unref_table(table); |
c4ecaf21 | 714 | return rc; |
22853e4a KZ |
715 | } |
716 | ||
c4ecaf21 DB |
717 | static blkid_partlist get_partlist(blkid_probe pr, |
718 | const char *device, char *type) | |
719 | { | |
720 | blkid_partlist ls; | |
721 | blkid_parttable tab; | |
722 | ||
723 | assert(pr); | |
724 | assert(device); | |
725 | ||
726 | if (type) { | |
727 | char *name[] = { type, NULL }; | |
728 | ||
729 | if (blkid_probe_filter_partitions_type(pr, | |
730 | BLKID_FLTR_ONLYIN, name)) { | |
731 | warnx(_("failed to initialize blkid " | |
144df9a2 | 732 | "filter for '%s'"), type); |
c4ecaf21 DB |
733 | return NULL; |
734 | } | |
735 | } | |
736 | ||
737 | ls = blkid_probe_get_partitions(pr); | |
738 | if (!ls) { | |
739 | warnx(_("%s: failed to read partition table"), device); | |
740 | return NULL; | |
741 | } | |
742 | ||
743 | tab = blkid_partlist_get_table(ls); | |
83ae4c24 | 744 | if (verbose && tab) { |
144df9a2 | 745 | printf(_("%s: partition table type '%s' detected\n"), |
83ae4c24 | 746 | device, blkid_parttable_get_type(tab)); |
c4ecaf21 | 747 | |
83ae4c24 KZ |
748 | if (!blkid_partlist_numof_partitions(ls)) |
749 | printf(_("%s: partition table with no partitions"), device); | |
22853e4a | 750 | } |
83ae4c24 | 751 | |
c4ecaf21 DB |
752 | return ls; |
753 | } | |
754 | ||
6e1eda6f | 755 | static void __attribute__((__noreturn__)) usage(void) |
c4ecaf21 | 756 | { |
6e1eda6f | 757 | FILE *out = stdout; |
10ebfeea | 758 | size_t i; |
c4ecaf21 | 759 | |
4ded3823 | 760 | fputs(USAGE_HEADER, out); |
e96fd176 | 761 | fprintf(out, |
3b905b79 | 762 | _(" %s [-a|-d|-s|-u] [--nr <n:m> | <partition>] <disk>\n"), |
c4ecaf21 DB |
763 | program_invocation_short_name); |
764 | ||
451dbcfa BS |
765 | fputs(USAGE_SEPARATOR, out); |
766 | fputs(_("Tell the kernel about the presence and numbering of partitions.\n"), out); | |
767 | ||
8275b732 | 768 | fputs(USAGE_OPTIONS, out); |
b7e785ed SK |
769 | fputs(_(" -a, --add add specified partitions or all of them\n"), out); |
770 | fputs(_(" -d, --delete delete specified partitions or all of them\n"), out); | |
b7e785ed | 771 | fputs(_(" -u, --update update specified partitions or all of them\n"), out); |
dbfff473 | 772 | fputs(_(" -s, --show list partitions\n\n"), out); |
b7e785ed SK |
773 | fputs(_(" -b, --bytes print SIZE in bytes rather than in human readable format\n"), out); |
774 | fputs(_(" -g, --noheadings don't print headings for --show\n"), out); | |
775 | fputs(_(" -n, --nr <n:m> specify the range of partitions (e.g. --nr 2:4)\n"), out); | |
dbfff473 | 776 | fputs(_(" -o, --output <list> define which output columns to use\n"), out); |
ba1c9075 | 777 | fputs(_(" --output-all output all columns\n"), out); |
b7e785ed SK |
778 | fputs(_(" -P, --pairs use key=\"value\" output format\n"), out); |
779 | fputs(_(" -r, --raw use raw output format\n"), out); | |
f8a4a0d4 | 780 | fputs(_(" -S, --sector-size <num> overwrite sector size\n"), out); |
2cdaf94b SK |
781 | fputs(_(" -t, --type <type> specify the partition type\n"), out); |
782 | fputs(_(" --list-types list supported partition types and exit\n"), out); | |
b7e785ed | 783 | fputs(_(" -v, --verbose verbose mode\n"), out); |
8275b732 KZ |
784 | |
785 | fputs(USAGE_SEPARATOR, out); | |
bad4c729 | 786 | fprintf(out, USAGE_HELP_OPTIONS(22)); |
c4ecaf21 | 787 | |
c3a4cfc5 | 788 | fputs(USAGE_COLUMNS, out); |
10ebfeea | 789 | for (i = 0; i < NCOLS; i++) |
d015794e | 790 | fprintf(out, " %10s %s\n", infos[i].name, _(infos[i].help)); |
c4ecaf21 | 791 | |
bad4c729 | 792 | fprintf(out, USAGE_MAN_TAIL("partx(8)")); |
c4ecaf21 | 793 | |
6e1eda6f | 794 | exit(EXIT_SUCCESS); |
c4ecaf21 DB |
795 | } |
796 | ||
c4ecaf21 DB |
797 | int main(int argc, char **argv) |
798 | { | |
6320c5aa | 799 | int fd, c, what = ACT_NONE, lower = 0, upper = 0, rc = 0; |
016aa0ac | 800 | int scols_flags = 0; |
c4ecaf21 | 801 | char *type = NULL; |
1d6a5daa | 802 | char *device = NULL; /* pointer to argv[], ie: /dev/sda1 */ |
c4ecaf21 | 803 | char *wholedisk = NULL; /* allocated, ie: /dev/sda */ |
4e395c55 | 804 | char *outarg = NULL; |
c4ecaf21 | 805 | dev_t disk_devno = 0, part_devno = 0; |
f8a4a0d4 | 806 | unsigned int sector_size = 0; |
c4ecaf21 | 807 | |
2cdaf94b | 808 | enum { |
ba1c9075 SK |
809 | OPT_LIST_TYPES = CHAR_MAX + 1, |
810 | OPT_OUTPUT_ALL | |
2cdaf94b | 811 | }; |
c4ecaf21 DB |
812 | static const struct option long_opts[] = { |
813 | { "bytes", no_argument, NULL, 'b' }, | |
814 | { "noheadings", no_argument, NULL, 'g' }, | |
815 | { "raw", no_argument, NULL, 'r' }, | |
816 | { "list", no_argument, NULL, 'l' }, | |
817 | { "show", no_argument, NULL, 's' }, | |
818 | { "add", no_argument, NULL, 'a' }, | |
819 | { "delete", no_argument, NULL, 'd' }, | |
3b905b79 | 820 | { "update", no_argument, NULL, 'u' }, |
c4ecaf21 | 821 | { "type", required_argument, NULL, 't' }, |
2cdaf94b | 822 | { "list-types", no_argument, NULL, OPT_LIST_TYPES }, |
c4ecaf21 DB |
823 | { "nr", required_argument, NULL, 'n' }, |
824 | { "output", required_argument, NULL, 'o' }, | |
ba1c9075 | 825 | { "output-all", no_argument, NULL, OPT_OUTPUT_ALL }, |
8ed48785 | 826 | { "pairs", no_argument, NULL, 'P' }, |
f8a4a0d4 | 827 | { "sector-size",required_argument, NULL, 'S' }, |
c4ecaf21 | 828 | { "help", no_argument, NULL, 'h' }, |
72bb1cc9 | 829 | { "version", no_argument, NULL, 'V' }, |
8275b732 | 830 | { "verbose", no_argument, NULL, 'v' }, |
c4ecaf21 DB |
831 | { NULL, 0, NULL, 0 } |
832 | }; | |
833 | ||
a7349ee3 | 834 | static const ul_excl_t excl[] = { /* rows and cols in ASCII order */ |
08ec8a6f | 835 | { 'P','a','d','l','r','s','u' }, |
a29627cb KZ |
836 | { 0 } |
837 | }; | |
838 | int excl_st[ARRAY_SIZE(excl)] = UL_EXCL_STATUS_INIT; | |
839 | ||
5c87aa1a BS |
840 | setlocale(LC_ALL, ""); |
841 | bindtextdomain(PACKAGE, LOCALEDIR); | |
842 | textdomain(PACKAGE); | |
2c308875 | 843 | close_stdout_atexit(); |
5c87aa1a | 844 | |
8ed48785 | 845 | while ((c = getopt_long(argc, argv, |
f8a4a0d4 | 846 | "abdglrsuvn:t:o:PS:hV", long_opts, NULL)) != -1) { |
a29627cb KZ |
847 | |
848 | err_exclusive_options(c, long_opts, excl, excl_st); | |
849 | ||
c4ecaf21 DB |
850 | switch(c) { |
851 | case 'a': | |
a29627cb | 852 | what = ACT_ADD; |
c4ecaf21 DB |
853 | break; |
854 | case 'b': | |
855 | partx_flags |= FL_BYTES; | |
856 | break; | |
857 | case 'd': | |
a29627cb | 858 | what = ACT_DELETE; |
c4ecaf21 DB |
859 | break; |
860 | case 'g': | |
016aa0ac | 861 | scols_flags |= PARTX_NOHEADINGS; |
c4ecaf21 DB |
862 | break; |
863 | case 'l': | |
a29627cb | 864 | what = ACT_LIST; |
c4ecaf21 DB |
865 | break; |
866 | case 'n': | |
af7df9ee | 867 | if (parse_range(optarg, &lower, &upper, 0)) |
c4ecaf21 DB |
868 | errx(EXIT_FAILURE, _("failed to parse --nr <M-N> range")); |
869 | break; | |
c4ecaf21 | 870 | case 'o': |
4e395c55 | 871 | outarg = optarg; |
c4ecaf21 | 872 | break; |
ba1c9075 SK |
873 | case OPT_OUTPUT_ALL: |
874 | for (ncolumns = 0; ncolumns < ARRAY_SIZE(infos); ncolumns++) | |
875 | columns[ncolumns] = ncolumns; | |
876 | break; | |
8ed48785 | 877 | case 'P': |
016aa0ac | 878 | scols_flags |= PARTX_EXPORT; |
a29627cb | 879 | what = ACT_SHOW; |
8ed48785 | 880 | break; |
c4ecaf21 | 881 | case 'r': |
016aa0ac | 882 | scols_flags |= PARTX_RAW; |
a29627cb | 883 | what = ACT_SHOW; |
c4ecaf21 | 884 | break; |
c4ecaf21 | 885 | case 's': |
a29627cb | 886 | what = ACT_SHOW; |
c4ecaf21 | 887 | break; |
f8a4a0d4 KZ |
888 | case 'S': |
889 | sector_size = strtou32_or_err(optarg, _("invalid sector size argument")); | |
890 | break; | |
c4ecaf21 DB |
891 | case 't': |
892 | type = optarg; | |
893 | break; | |
3b905b79 PS |
894 | case 'u': |
895 | what = ACT_UPD; | |
896 | break; | |
c4ecaf21 DB |
897 | case 'v': |
898 | verbose = 1; | |
899 | break; | |
2cdaf94b SK |
900 | case OPT_LIST_TYPES: |
901 | { | |
902 | size_t idx = 0; | |
903 | const char *name = NULL; | |
904 | ||
905 | while (blkid_partitions_get_name(idx++, &name) == 0) | |
906 | puts(name); | |
907 | return EXIT_SUCCESS; | |
908 | } | |
c4ecaf21 | 909 | case 'h': |
6e1eda6f | 910 | usage(); |
72bb1cc9 | 911 | case 'V': |
2c308875 | 912 | print_version(EXIT_SUCCESS); |
c4ecaf21 | 913 | default: |
677ec86c | 914 | errtryhelp(EXIT_FAILURE); |
c4ecaf21 DB |
915 | } |
916 | } | |
917 | ||
6320c5aa | 918 | if (what == ACT_NONE) |
7cfd1b26 | 919 | what = ACT_SHOW; |
c4ecaf21 DB |
920 | |
921 | /* --show default, could by modified by -o */ | |
922 | if (what == ACT_SHOW && !ncolumns) { | |
923 | columns[ncolumns++] = COL_PARTNO; | |
924 | columns[ncolumns++] = COL_START; | |
925 | columns[ncolumns++] = COL_END; | |
926 | columns[ncolumns++] = COL_SECTORS; | |
927 | columns[ncolumns++] = COL_SIZE; | |
928 | columns[ncolumns++] = COL_NAME; | |
929 | columns[ncolumns++] = COL_UUID; | |
930 | } | |
931 | ||
4e395c55 MB |
932 | if (what == ACT_SHOW && outarg && |
933 | string_add_to_idarray(outarg, columns, ARRAY_SIZE(columns), | |
934 | &ncolumns, column_name_to_id) < 0) | |
935 | return EXIT_FAILURE; | |
936 | ||
c4ecaf21 DB |
937 | /* |
938 | * Note that 'partx /dev/sda1' == 'partx /dev/sda1 /dev/sda' | |
939 | * so assume that the device and/or disk are always the last | |
940 | * arguments to be passed to partx. | |
941 | */ | |
942 | if (optind == argc - 2) { | |
943 | /* passed 2 arguments: | |
944 | * /dev/sda1 /dev/sda : partition + whole-disk | |
945 | * -- /dev/sda1 : partition that should be used as a whole-disk | |
946 | */ | |
947 | device = argv[optind]; | |
948 | ||
949 | if (strcmp(device, "-") == 0) { | |
950 | device = NULL; | |
951 | wholedisk = xstrdup(argv[optind + 1]); | |
952 | } else { | |
953 | device = argv[optind]; | |
954 | wholedisk = xstrdup(argv[optind + 1]); | |
2d47fa39 KZ |
955 | |
956 | if (device && wholedisk && !startswith(device, wholedisk)) | |
957 | errx(EXIT_FAILURE, _("partition and disk name do not match")); | |
c4ecaf21 DB |
958 | } |
959 | } else if (optind == argc - 1) { | |
960 | /* passed only one arg (ie: /dev/sda3 or /dev/sda) */ | |
961 | struct stat sb; | |
962 | ||
963 | device = argv[optind]; | |
964 | ||
965 | if (stat(device, &sb)) | |
fc14ceba | 966 | err(EXIT_FAILURE, _("stat of %s failed"), device); |
c4ecaf21 DB |
967 | |
968 | part_devno = sb.st_rdev; | |
969 | ||
970 | if (blkid_devno_to_wholedisk(part_devno, | |
971 | NULL, 0, &disk_devno) == 0 && | |
972 | part_devno != disk_devno) | |
973 | wholedisk = blkid_devno_to_devname(disk_devno); | |
974 | ||
975 | if (!wholedisk) { | |
976 | wholedisk = xstrdup(device); | |
977 | disk_devno = part_devno; | |
978 | device = NULL; | |
979 | part_devno = 0; | |
22853e4a | 980 | } |
6e1eda6f RM |
981 | } else { |
982 | warnx(_("bad usage")); | |
983 | errtryhelp(EXIT_FAILURE); | |
984 | } | |
c4ecaf21 | 985 | if (device && (upper || lower)) |
e22d8b95 | 986 | errx(EXIT_FAILURE, _("--nr and <partition> are mutually exclusive")); |
c4ecaf21 DB |
987 | |
988 | assert(wholedisk); | |
989 | ||
990 | if (device) { | |
991 | /* use partno from given partition instead of --nr range, e.g: | |
992 | * partx -d /dev/sda3 | |
993 | * is the same like: | |
994 | * partx -d --nr 3 /dev/sda | |
995 | */ | |
996 | struct stat sb; | |
997 | ||
998 | if (!part_devno && !stat(device, &sb)) | |
999 | part_devno = sb.st_rdev; | |
1000 | ||
1001 | lower = upper = get_partno_from_device(device, part_devno); | |
1002 | } | |
1003 | ||
1004 | if (verbose) | |
144df9a2 | 1005 | printf(_("partition: %s, disk: %s, lower: %d, upper: %d\n"), |
2e2b6bb1 | 1006 | device ? device : "none", wholedisk, lower, upper); |
c4ecaf21 DB |
1007 | |
1008 | if (what == ACT_ADD || what == ACT_DELETE) { | |
1009 | struct stat x; | |
1010 | ||
0e938113 DB |
1011 | if (stat(wholedisk, &x)) |
1012 | errx(EXIT_FAILURE, "%s", wholedisk); | |
1013 | ||
1014 | if (S_ISREG(x.st_mode)) { | |
1015 | /* not a blkdev, try to associate it to a loop device */ | |
1016 | if (what == ACT_DELETE) | |
1017 | errx(EXIT_FAILURE, _("%s: cannot delete partitions"), | |
1018 | wholedisk); | |
59d749c3 | 1019 | if (!loopmod_supports_partscan()) |
0e938113 DB |
1020 | errx(EXIT_FAILURE, _("%s: partitioned loop devices unsupported"), |
1021 | wholedisk); | |
1022 | assoc_loopdev(wholedisk); | |
9ae0289e | 1023 | free(wholedisk); |
0e938113 DB |
1024 | wholedisk = xstrdup(lc.device); |
1025 | } else if (!S_ISBLK(x.st_mode)) | |
c4ecaf21 DB |
1026 | errx(EXIT_FAILURE, _("%s: not a block device"), wholedisk); |
1027 | } | |
1028 | if ((fd = open(wholedisk, O_RDONLY)) == -1) | |
289dcc90 | 1029 | err(EXIT_FAILURE, _("cannot open %s"), wholedisk); |
c4ecaf21 DB |
1030 | |
1031 | if (what == ACT_DELETE) | |
1032 | rc = del_parts(fd, wholedisk, disk_devno, lower, upper); | |
1033 | else { | |
1034 | blkid_probe pr = blkid_new_probe(); | |
1035 | blkid_partlist ls = NULL; | |
1036 | ||
1037 | if (!pr || blkid_probe_set_device(pr, fd, 0, 0)) | |
1038 | warnx(_("%s: failed to initialize blkid prober"), | |
1039 | wholedisk); | |
f8a4a0d4 KZ |
1040 | else { |
1041 | if (sector_size) | |
1042 | blkid_probe_set_sectorsize(pr, sector_size); | |
1043 | ||
c4ecaf21 | 1044 | ls = get_partlist(pr, wholedisk, type); |
f8a4a0d4 | 1045 | } |
c4ecaf21 DB |
1046 | |
1047 | if (ls) { | |
c4ecaf21 DB |
1048 | switch (what) { |
1049 | case ACT_SHOW: | |
016aa0ac | 1050 | rc = show_parts(ls, scols_flags, lower, upper); |
c4ecaf21 DB |
1051 | break; |
1052 | case ACT_LIST: | |
1053 | rc = list_parts(ls, lower, upper); | |
1054 | break; | |
1055 | case ACT_ADD: | |
1056 | rc = add_parts(fd, wholedisk, ls, lower, upper); | |
1057 | break; | |
3b905b79 PS |
1058 | case ACT_UPD: |
1059 | rc = upd_parts(fd, wholedisk, disk_devno, ls, lower, upper); | |
2d47fa39 | 1060 | break; |
6320c5aa SK |
1061 | case ACT_NONE: |
1062 | break; | |
1063 | default: | |
1064 | abort(); | |
c4ecaf21 | 1065 | } |
aeda8dc3 AH |
1066 | } else |
1067 | rc = 1; | |
1068 | ||
c4ecaf21 DB |
1069 | blkid_free_probe(pr); |
1070 | } | |
1071 | ||
9ae0289e KZ |
1072 | free(wholedisk); |
1073 | ||
0e938113 DB |
1074 | if (loopdev) |
1075 | loopcxt_deinit(&lc); | |
1076 | ||
83874290 SK |
1077 | if (close_fd(fd) != 0) |
1078 | err(EXIT_FAILURE, _("write failed")); | |
1079 | ||
c4ecaf21 | 1080 | return rc ? EXIT_FAILURE : EXIT_SUCCESS; |
22853e4a | 1081 | } |