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Commit | Line | Data |
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d4205751 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2012 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
07630cea | 22 | #include <errno.h> |
d4205751 | 23 | #include <fcntl.h> |
07630cea | 24 | #include <locale.h> |
d4205751 | 25 | #include <stdio.h> |
d4205751 LP |
26 | #include <string.h> |
27 | #include <sys/mman.h> | |
07630cea | 28 | #include <unistd.h> |
d4205751 | 29 | |
d4205751 | 30 | #include "sd-id128.h" |
07630cea LP |
31 | |
32 | #include "catalog.h" | |
d4205751 | 33 | #include "conf-files.h" |
07630cea LP |
34 | #include "hashmap.h" |
35 | #include "log.h" | |
d4205751 | 36 | #include "mkdir.h" |
9bf3b535 | 37 | #include "siphash24.h" |
07630cea LP |
38 | #include "sparse-endian.h" |
39 | #include "strbuf.h" | |
40 | #include "string-util.h" | |
41 | #include "strv.h" | |
42 | #include "util.h" | |
d4205751 | 43 | |
844ec79b | 44 | const char * const catalog_file_dirs[] = { |
d4205751 LP |
45 | "/usr/local/lib/systemd/catalog/", |
46 | "/usr/lib/systemd/catalog/", | |
47 | NULL | |
48 | }; | |
49 | ||
50 | #define CATALOG_SIGNATURE (uint8_t[]) { 'R', 'H', 'H', 'H', 'K', 'S', 'L', 'P' } | |
51 | ||
52 | typedef struct CatalogHeader { | |
53 | uint8_t signature[8]; /* "RHHHKSLP" */ | |
54 | le32_t compatible_flags; | |
55 | le32_t incompatible_flags; | |
83f6936a LP |
56 | le64_t header_size; |
57 | le64_t n_items; | |
58 | le64_t catalog_item_size; | |
d4205751 LP |
59 | } CatalogHeader; |
60 | ||
61 | typedef struct CatalogItem { | |
62 | sd_id128_t id; | |
63 | char language[32]; | |
83f6936a | 64 | le64_t offset; |
d4205751 LP |
65 | } CatalogItem; |
66 | ||
b826ab58 | 67 | static void catalog_hash_func(const void *p, struct siphash *state) { |
d4205751 LP |
68 | const CatalogItem *i = p; |
69 | ||
b826ab58 TG |
70 | siphash24_compress(&i->id, sizeof(i->id), state); |
71 | siphash24_compress(i->language, strlen(i->language), state); | |
d4205751 LP |
72 | } |
73 | ||
d5099efc | 74 | static int catalog_compare_func(const void *a, const void *b) { |
d4205751 LP |
75 | const CatalogItem *i = a, *j = b; |
76 | unsigned k; | |
77 | ||
78 | for (k = 0; k < ELEMENTSOF(j->id.bytes); k++) { | |
79 | if (i->id.bytes[k] < j->id.bytes[k]) | |
80 | return -1; | |
81 | if (i->id.bytes[k] > j->id.bytes[k]) | |
82 | return 1; | |
83 | } | |
84 | ||
18cd5fe9 | 85 | return strcmp(i->language, j->language); |
d4205751 LP |
86 | } |
87 | ||
d5099efc MS |
88 | const struct hash_ops catalog_hash_ops = { |
89 | .hash = catalog_hash_func, | |
90 | .compare = catalog_compare_func | |
91 | }; | |
92 | ||
d4205751 LP |
93 | static int finish_item( |
94 | Hashmap *h, | |
95 | struct strbuf *sb, | |
96 | sd_id128_t id, | |
97 | const char *language, | |
98 | const char *payload) { | |
99 | ||
100 | ssize_t offset; | |
e3b9d9c8 | 101 | _cleanup_free_ CatalogItem *i = NULL; |
d4205751 LP |
102 | int r; |
103 | ||
104 | assert(h); | |
105 | assert(sb); | |
106 | assert(payload); | |
107 | ||
108 | offset = strbuf_add_string(sb, payload, strlen(payload)); | |
109 | if (offset < 0) | |
110 | return log_oom(); | |
111 | ||
d4205751 LP |
112 | i = new0(CatalogItem, 1); |
113 | if (!i) | |
114 | return log_oom(); | |
115 | ||
116 | i->id = id; | |
c7332b08 ZJS |
117 | if (language) { |
118 | assert(strlen(language) > 1 && strlen(language) < 32); | |
119 | strcpy(i->language, language); | |
120 | } | |
83f6936a | 121 | i->offset = htole64((uint64_t) offset); |
d4205751 LP |
122 | |
123 | r = hashmap_put(h, i, i); | |
e3b9d9c8 | 124 | if (r == -EEXIST) { |
18cd5fe9 ZJS |
125 | log_warning("Duplicate entry for " SD_ID128_FORMAT_STR ".%s, ignoring.", |
126 | SD_ID128_FORMAT_VAL(id), language ? language : "C"); | |
d4205751 | 127 | return 0; |
e3b9d9c8 ZJS |
128 | } else if (r < 0) |
129 | return r; | |
d4205751 | 130 | |
e3b9d9c8 | 131 | i = NULL; |
d4205751 LP |
132 | return 0; |
133 | } | |
134 | ||
c7332b08 ZJS |
135 | int catalog_file_lang(const char* filename, char **lang) { |
136 | char *beg, *end, *_lang; | |
137 | ||
138 | end = endswith(filename, ".catalog"); | |
139 | if (!end) | |
140 | return 0; | |
141 | ||
142 | beg = end - 1; | |
4b8268f8 | 143 | while (beg > filename && *beg != '.' && *beg != '/' && end - beg < 32) |
c7332b08 ZJS |
144 | beg --; |
145 | ||
4b8268f8 | 146 | if (*beg != '.' || end <= beg + 1) |
c7332b08 ZJS |
147 | return 0; |
148 | ||
149 | _lang = strndup(beg + 1, end - beg - 1); | |
150 | if (!_lang) | |
151 | return -ENOMEM; | |
152 | ||
153 | *lang = _lang; | |
154 | return 1; | |
155 | } | |
156 | ||
baf167ee ZJS |
157 | static int catalog_entry_lang(const char* filename, int line, |
158 | const char* t, const char* deflang, char **lang) { | |
159 | size_t c; | |
160 | ||
161 | c = strlen(t); | |
162 | if (c == 0) { | |
163 | log_error("[%s:%u] Language too short.", filename, line); | |
164 | return -EINVAL; | |
165 | } | |
166 | if (c > 31) { | |
167 | log_error("[%s:%u] language too long.", filename, line); | |
168 | return -EINVAL; | |
169 | } | |
170 | ||
171 | if (deflang) { | |
172 | if (streq(t, deflang)) { | |
173 | log_warning("[%s:%u] language specified unnecessarily", | |
174 | filename, line); | |
175 | return 0; | |
176 | } else | |
177 | log_warning("[%s:%u] language differs from default for file", | |
178 | filename, line); | |
179 | } | |
180 | ||
181 | *lang = strdup(t); | |
182 | if (!*lang) | |
183 | return -ENOMEM; | |
184 | ||
185 | return 0; | |
186 | } | |
187 | ||
844ec79b | 188 | int catalog_import_file(Hashmap *h, struct strbuf *sb, const char *path) { |
d4205751 LP |
189 | _cleanup_fclose_ FILE *f = NULL; |
190 | _cleanup_free_ char *payload = NULL; | |
191 | unsigned n = 0; | |
192 | sd_id128_t id; | |
c7332b08 | 193 | _cleanup_free_ char *deflang = NULL, *lang = NULL; |
d4205751 LP |
194 | bool got_id = false, empty_line = true; |
195 | int r; | |
196 | ||
197 | assert(h); | |
198 | assert(sb); | |
199 | assert(path); | |
200 | ||
201 | f = fopen(path, "re"); | |
4a62c710 MS |
202 | if (!f) |
203 | return log_error_errno(errno, "Failed to open file %s: %m", path); | |
d4205751 | 204 | |
c7332b08 ZJS |
205 | r = catalog_file_lang(path, &deflang); |
206 | if (r < 0) | |
56f64d95 | 207 | log_error_errno(errno, "Failed to determine language for file %s: %m", path); |
c7332b08 ZJS |
208 | if (r == 1) |
209 | log_debug("File %s has language %s.", path, deflang); | |
210 | ||
d4205751 LP |
211 | for (;;) { |
212 | char line[LINE_MAX]; | |
213 | size_t a, b, c; | |
214 | char *t; | |
215 | ||
216 | if (!fgets(line, sizeof(line), f)) { | |
217 | if (feof(f)) | |
218 | break; | |
219 | ||
56f64d95 | 220 | log_error_errno(errno, "Failed to read file %s: %m", path); |
d4205751 LP |
221 | return -errno; |
222 | } | |
223 | ||
224 | n++; | |
225 | ||
226 | truncate_nl(line); | |
227 | ||
228 | if (line[0] == 0) { | |
229 | empty_line = true; | |
230 | continue; | |
231 | } | |
232 | ||
d3b6d0c2 | 233 | if (strchr(COMMENTS "\n", line[0])) |
d4205751 LP |
234 | continue; |
235 | ||
236 | if (empty_line && | |
237 | strlen(line) >= 2+1+32 && | |
238 | line[0] == '-' && | |
239 | line[1] == '-' && | |
240 | line[2] == ' ' && | |
18cd5fe9 | 241 | (line[2+1+32] == ' ' || line[2+1+32] == '\0')) { |
d4205751 LP |
242 | |
243 | bool with_language; | |
244 | sd_id128_t jd; | |
245 | ||
246 | /* New entry */ | |
247 | ||
18cd5fe9 ZJS |
248 | with_language = line[2+1+32] != '\0'; |
249 | line[2+1+32] = '\0'; | |
d4205751 LP |
250 | |
251 | if (sd_id128_from_string(line + 2 + 1, &jd) >= 0) { | |
252 | ||
253 | if (got_id) { | |
c7332b08 | 254 | r = finish_item(h, sb, id, lang ?: deflang, payload); |
d4205751 LP |
255 | if (r < 0) |
256 | return r; | |
c7332b08 | 257 | |
97b11eed | 258 | lang = mfree(lang); |
d4205751 LP |
259 | } |
260 | ||
261 | if (with_language) { | |
262 | t = strstrip(line + 2 + 1 + 32 + 1); | |
263 | ||
baf167ee ZJS |
264 | r = catalog_entry_lang(path, n, t, deflang, &lang); |
265 | if (r < 0) | |
266 | return r; | |
c7332b08 | 267 | } |
d4205751 LP |
268 | |
269 | got_id = true; | |
270 | empty_line = false; | |
271 | id = jd; | |
272 | ||
273 | if (payload) | |
18cd5fe9 | 274 | payload[0] = '\0'; |
d4205751 LP |
275 | |
276 | continue; | |
277 | } | |
278 | } | |
279 | ||
280 | /* Payload */ | |
281 | if (!got_id) { | |
282 | log_error("[%s:%u] Got payload before ID.", path, n); | |
283 | return -EINVAL; | |
284 | } | |
285 | ||
286 | a = payload ? strlen(payload) : 0; | |
287 | b = strlen(line); | |
288 | ||
289 | c = a + (empty_line ? 1 : 0) + b + 1 + 1; | |
290 | t = realloc(payload, c); | |
291 | if (!t) | |
292 | return log_oom(); | |
293 | ||
294 | if (empty_line) { | |
295 | t[a] = '\n'; | |
296 | memcpy(t + a + 1, line, b); | |
297 | t[a+b+1] = '\n'; | |
298 | t[a+b+2] = 0; | |
299 | } else { | |
300 | memcpy(t + a, line, b); | |
301 | t[a+b] = '\n'; | |
302 | t[a+b+1] = 0; | |
303 | } | |
304 | ||
305 | payload = t; | |
306 | empty_line = false; | |
307 | } | |
308 | ||
309 | if (got_id) { | |
c7332b08 | 310 | r = finish_item(h, sb, id, lang ?: deflang, payload); |
d4205751 LP |
311 | if (r < 0) |
312 | return r; | |
313 | } | |
314 | ||
315 | return 0; | |
316 | } | |
317 | ||
844ec79b ZJS |
318 | static long write_catalog(const char *database, Hashmap *h, struct strbuf *sb, |
319 | CatalogItem *items, size_t n) { | |
320 | CatalogHeader header; | |
321 | _cleanup_fclose_ FILE *w = NULL; | |
322 | int r; | |
7fd1b19b | 323 | _cleanup_free_ char *d, *p = NULL; |
844ec79b ZJS |
324 | size_t k; |
325 | ||
326 | d = dirname_malloc(database); | |
327 | if (!d) | |
328 | return log_oom(); | |
329 | ||
330 | r = mkdir_p(d, 0775); | |
eb56eb9b MS |
331 | if (r < 0) |
332 | return log_error_errno(r, "Recursive mkdir %s: %m", d); | |
844ec79b ZJS |
333 | |
334 | r = fopen_temporary(database, &w, &p); | |
eb56eb9b MS |
335 | if (r < 0) |
336 | return log_error_errno(r, "Failed to open database for writing: %s: %m", | |
337 | database); | |
844ec79b ZJS |
338 | |
339 | zero(header); | |
340 | memcpy(header.signature, CATALOG_SIGNATURE, sizeof(header.signature)); | |
341 | header.header_size = htole64(ALIGN_TO(sizeof(CatalogHeader), 8)); | |
342 | header.catalog_item_size = htole64(sizeof(CatalogItem)); | |
343 | header.n_items = htole64(hashmap_size(h)); | |
80343dc1 | 344 | |
844ec79b ZJS |
345 | r = -EIO; |
346 | ||
347 | k = fwrite(&header, 1, sizeof(header), w); | |
348 | if (k != sizeof(header)) { | |
349 | log_error("%s: failed to write header.", p); | |
350 | goto error; | |
351 | } | |
352 | ||
353 | k = fwrite(items, 1, n * sizeof(CatalogItem), w); | |
354 | if (k != n * sizeof(CatalogItem)) { | |
355 | log_error("%s: failed to write database.", p); | |
356 | goto error; | |
357 | } | |
358 | ||
359 | k = fwrite(sb->buf, 1, sb->len, w); | |
360 | if (k != sb->len) { | |
361 | log_error("%s: failed to write strings.", p); | |
362 | goto error; | |
363 | } | |
364 | ||
dacd6cee LP |
365 | r = fflush_and_check(w); |
366 | if (r < 0) { | |
367 | log_error_errno(r, "%s: failed to write database: %m", p); | |
844ec79b ZJS |
368 | goto error; |
369 | } | |
370 | ||
371 | fchmod(fileno(w), 0644); | |
372 | ||
373 | if (rename(p, database) < 0) { | |
dacd6cee | 374 | r = log_error_errno(errno, "rename (%s -> %s) failed: %m", p, database); |
844ec79b ZJS |
375 | goto error; |
376 | } | |
377 | ||
378 | return ftell(w); | |
379 | ||
380 | error: | |
dacd6cee | 381 | (void) unlink(p); |
844ec79b ZJS |
382 | return r; |
383 | } | |
384 | ||
385 | int catalog_update(const char* database, const char* root, const char* const* dirs) { | |
d4205751 | 386 | _cleanup_strv_free_ char **files = NULL; |
d4205751 | 387 | char **f; |
d4205751 | 388 | struct strbuf *sb = NULL; |
e3b9d9c8 | 389 | _cleanup_hashmap_free_free_ Hashmap *h = NULL; |
d4205751 LP |
390 | _cleanup_free_ CatalogItem *items = NULL; |
391 | CatalogItem *i; | |
d4205751 LP |
392 | Iterator j; |
393 | unsigned n; | |
844ec79b | 394 | long r; |
d4205751 | 395 | |
d5099efc | 396 | h = hashmap_new(&catalog_hash_ops); |
d4205751 | 397 | sb = strbuf_new(); |
844ec79b ZJS |
398 | |
399 | if (!h || !sb) { | |
d4205751 LP |
400 | r = log_oom(); |
401 | goto finish; | |
402 | } | |
403 | ||
844ec79b | 404 | r = conf_files_list_strv(&files, ".catalog", root, dirs); |
d4205751 | 405 | if (r < 0) { |
da927ba9 | 406 | log_error_errno(r, "Failed to get catalog files: %m"); |
d4205751 LP |
407 | goto finish; |
408 | } | |
409 | ||
410 | STRV_FOREACH(f, files) { | |
e3b9d9c8 ZJS |
411 | log_debug("Reading file '%s'", *f); |
412 | r = catalog_import_file(h, sb, *f); | |
413 | if (r < 0) { | |
e53fc357 | 414 | log_error_errno(r, "Failed to import file '%s': %m", *f); |
e3b9d9c8 ZJS |
415 | goto finish; |
416 | } | |
d4205751 LP |
417 | } |
418 | ||
419 | if (hashmap_size(h) <= 0) { | |
420 | log_info("No items in catalog."); | |
d4205751 | 421 | goto finish; |
80343dc1 ZJS |
422 | } else |
423 | log_debug("Found %u items in catalog.", hashmap_size(h)); | |
d4205751 LP |
424 | |
425 | strbuf_complete(sb); | |
426 | ||
427 | items = new(CatalogItem, hashmap_size(h)); | |
428 | if (!items) { | |
429 | r = log_oom(); | |
430 | goto finish; | |
431 | } | |
432 | ||
433 | n = 0; | |
434 | HASHMAP_FOREACH(i, h, j) { | |
18cd5fe9 ZJS |
435 | log_debug("Found " SD_ID128_FORMAT_STR ", language %s", |
436 | SD_ID128_FORMAT_VAL(i->id), | |
437 | isempty(i->language) ? "C" : i->language); | |
d4205751 LP |
438 | items[n++] = *i; |
439 | } | |
440 | ||
441 | assert(n == hashmap_size(h)); | |
7ff7394d | 442 | qsort_safe(items, n, sizeof(CatalogItem), catalog_compare_func); |
d4205751 | 443 | |
844ec79b ZJS |
444 | r = write_catalog(database, h, sb, items, n); |
445 | if (r < 0) | |
da927ba9 | 446 | log_error_errno(r, "Failed to write %s: %m", database); |
844ec79b ZJS |
447 | else |
448 | log_debug("%s: wrote %u items, with %zu bytes of strings, %ld total size.", | |
449 | database, n, sb->len, r); | |
d4205751 | 450 | |
d4205751 | 451 | finish: |
d4205751 LP |
452 | if (sb) |
453 | strbuf_cleanup(sb); | |
454 | ||
844ec79b | 455 | return r < 0 ? r : 0; |
d4205751 LP |
456 | } |
457 | ||
844ec79b | 458 | static int open_mmap(const char *database, int *_fd, struct stat *_st, void **_p) { |
d4205751 LP |
459 | const CatalogHeader *h; |
460 | int fd; | |
461 | void *p; | |
462 | struct stat st; | |
463 | ||
464 | assert(_fd); | |
465 | assert(_st); | |
466 | assert(_p); | |
467 | ||
844ec79b | 468 | fd = open(database, O_RDONLY|O_CLOEXEC); |
d4205751 LP |
469 | if (fd < 0) |
470 | return -errno; | |
471 | ||
472 | if (fstat(fd, &st) < 0) { | |
03e334a1 | 473 | safe_close(fd); |
d4205751 LP |
474 | return -errno; |
475 | } | |
476 | ||
477 | if (st.st_size < (off_t) sizeof(CatalogHeader)) { | |
03e334a1 | 478 | safe_close(fd); |
d4205751 LP |
479 | return -EINVAL; |
480 | } | |
481 | ||
482 | p = mmap(NULL, PAGE_ALIGN(st.st_size), PROT_READ, MAP_SHARED, fd, 0); | |
483 | if (p == MAP_FAILED) { | |
03e334a1 | 484 | safe_close(fd); |
d4205751 LP |
485 | return -errno; |
486 | } | |
487 | ||
488 | h = p; | |
489 | if (memcmp(h->signature, CATALOG_SIGNATURE, sizeof(h->signature)) != 0 || | |
83f6936a LP |
490 | le64toh(h->header_size) < sizeof(CatalogHeader) || |
491 | le64toh(h->catalog_item_size) < sizeof(CatalogItem) || | |
d4205751 | 492 | h->incompatible_flags != 0 || |
83f6936a LP |
493 | le64toh(h->n_items) <= 0 || |
494 | st.st_size < (off_t) (le64toh(h->header_size) + le64toh(h->catalog_item_size) * le64toh(h->n_items))) { | |
03e334a1 | 495 | safe_close(fd); |
d4205751 LP |
496 | munmap(p, st.st_size); |
497 | return -EBADMSG; | |
498 | } | |
499 | ||
500 | *_fd = fd; | |
501 | *_st = st; | |
502 | *_p = p; | |
503 | ||
504 | return 0; | |
505 | } | |
506 | ||
507 | static const char *find_id(void *p, sd_id128_t id) { | |
508 | CatalogItem key, *f = NULL; | |
509 | const CatalogHeader *h = p; | |
510 | const char *loc; | |
511 | ||
512 | zero(key); | |
513 | key.id = id; | |
514 | ||
515 | loc = setlocale(LC_MESSAGES, NULL); | |
516 | if (loc && loc[0] && !streq(loc, "C") && !streq(loc, "POSIX")) { | |
517 | strncpy(key.language, loc, sizeof(key.language)); | |
518 | key.language[strcspn(key.language, ".@")] = 0; | |
519 | ||
83f6936a | 520 | f = bsearch(&key, (const uint8_t*) p + le64toh(h->header_size), le64toh(h->n_items), le64toh(h->catalog_item_size), catalog_compare_func); |
d4205751 LP |
521 | if (!f) { |
522 | char *e; | |
523 | ||
524 | e = strchr(key.language, '_'); | |
525 | if (e) { | |
526 | *e = 0; | |
83f6936a | 527 | f = bsearch(&key, (const uint8_t*) p + le64toh(h->header_size), le64toh(h->n_items), le64toh(h->catalog_item_size), catalog_compare_func); |
d4205751 LP |
528 | } |
529 | } | |
530 | } | |
531 | ||
532 | if (!f) { | |
533 | zero(key.language); | |
83f6936a | 534 | f = bsearch(&key, (const uint8_t*) p + le64toh(h->header_size), le64toh(h->n_items), le64toh(h->catalog_item_size), catalog_compare_func); |
d4205751 LP |
535 | } |
536 | ||
537 | if (!f) | |
538 | return NULL; | |
539 | ||
540 | return (const char*) p + | |
83f6936a LP |
541 | le64toh(h->header_size) + |
542 | le64toh(h->n_items) * le64toh(h->catalog_item_size) + | |
543 | le64toh(f->offset); | |
d4205751 LP |
544 | } |
545 | ||
844ec79b | 546 | int catalog_get(const char* database, sd_id128_t id, char **_text) { |
d4205751 LP |
547 | _cleanup_close_ int fd = -1; |
548 | void *p = NULL; | |
a7f7d1bd | 549 | struct stat st = {}; |
d4205751 LP |
550 | char *text = NULL; |
551 | int r; | |
552 | const char *s; | |
553 | ||
554 | assert(_text); | |
555 | ||
844ec79b | 556 | r = open_mmap(database, &fd, &st, &p); |
d4205751 LP |
557 | if (r < 0) |
558 | return r; | |
559 | ||
560 | s = find_id(p, id); | |
561 | if (!s) { | |
562 | r = -ENOENT; | |
563 | goto finish; | |
564 | } | |
565 | ||
566 | text = strdup(s); | |
567 | if (!text) { | |
568 | r = -ENOMEM; | |
569 | goto finish; | |
570 | } | |
571 | ||
572 | *_text = text; | |
573 | r = 0; | |
574 | ||
575 | finish: | |
576 | if (p) | |
577 | munmap(p, st.st_size); | |
578 | ||
579 | return r; | |
580 | } | |
581 | ||
582 | static char *find_header(const char *s, const char *header) { | |
583 | ||
584 | for (;;) { | |
585 | const char *v, *e; | |
586 | ||
587 | v = startswith(s, header); | |
588 | if (v) { | |
589 | v += strspn(v, WHITESPACE); | |
590 | return strndup(v, strcspn(v, NEWLINE)); | |
591 | } | |
592 | ||
593 | /* End of text */ | |
594 | e = strchr(s, '\n'); | |
595 | if (!e) | |
596 | return NULL; | |
597 | ||
598 | /* End of header */ | |
599 | if (e == s) | |
600 | return NULL; | |
601 | ||
602 | s = e + 1; | |
603 | } | |
604 | } | |
605 | ||
54b7254c ZJS |
606 | static void dump_catalog_entry(FILE *f, sd_id128_t id, const char *s, bool oneline) { |
607 | if (oneline) { | |
608 | _cleanup_free_ char *subject = NULL, *defined_by = NULL; | |
609 | ||
610 | subject = find_header(s, "Subject:"); | |
611 | defined_by = find_header(s, "Defined-By:"); | |
612 | ||
613 | fprintf(f, SD_ID128_FORMAT_STR " %s: %s\n", | |
614 | SD_ID128_FORMAT_VAL(id), | |
615 | strna(defined_by), strna(subject)); | |
616 | } else | |
617 | fprintf(f, "-- " SD_ID128_FORMAT_STR "\n%s\n", | |
618 | SD_ID128_FORMAT_VAL(id), s); | |
619 | } | |
620 | ||
621 | ||
844ec79b | 622 | int catalog_list(FILE *f, const char *database, bool oneline) { |
d4205751 LP |
623 | _cleanup_close_ int fd = -1; |
624 | void *p = NULL; | |
625 | struct stat st; | |
626 | const CatalogHeader *h; | |
627 | const CatalogItem *items; | |
628 | int r; | |
629 | unsigned n; | |
630 | sd_id128_t last_id; | |
631 | bool last_id_set = false; | |
632 | ||
844ec79b | 633 | r = open_mmap(database, &fd, &st, &p); |
d4205751 LP |
634 | if (r < 0) |
635 | return r; | |
636 | ||
637 | h = p; | |
83f6936a | 638 | items = (const CatalogItem*) ((const uint8_t*) p + le64toh(h->header_size)); |
d4205751 | 639 | |
83f6936a | 640 | for (n = 0; n < le64toh(h->n_items); n++) { |
d4205751 | 641 | const char *s; |
d4205751 LP |
642 | |
643 | if (last_id_set && sd_id128_equal(last_id, items[n].id)) | |
644 | continue; | |
645 | ||
646 | assert_se(s = find_id(p, items[n].id)); | |
647 | ||
54b7254c | 648 | dump_catalog_entry(f, items[n].id, s, oneline); |
d4205751 LP |
649 | |
650 | last_id_set = true; | |
651 | last_id = items[n].id; | |
652 | } | |
653 | ||
654 | munmap(p, st.st_size); | |
655 | ||
656 | return 0; | |
657 | } | |
54b7254c | 658 | |
844ec79b | 659 | int catalog_list_items(FILE *f, const char *database, bool oneline, char **items) { |
54b7254c ZJS |
660 | char **item; |
661 | int r = 0; | |
662 | ||
663 | STRV_FOREACH(item, items) { | |
664 | sd_id128_t id; | |
665 | int k; | |
7fd1b19b | 666 | _cleanup_free_ char *msg = NULL; |
54b7254c ZJS |
667 | |
668 | k = sd_id128_from_string(*item, &id); | |
669 | if (k < 0) { | |
e53fc357 | 670 | log_error_errno(k, "Failed to parse id128 '%s': %m", *item); |
464264ac | 671 | if (r == 0) |
54b7254c ZJS |
672 | r = k; |
673 | continue; | |
674 | } | |
675 | ||
844ec79b | 676 | k = catalog_get(database, id, &msg); |
54b7254c | 677 | if (k < 0) { |
e53fc357 LP |
678 | log_full_errno(k == -ENOENT ? LOG_NOTICE : LOG_ERR, k, |
679 | "Failed to retrieve catalog entry for '%s': %m", *item); | |
464264ac | 680 | if (r == 0) |
54b7254c ZJS |
681 | r = k; |
682 | continue; | |
683 | } | |
684 | ||
685 | dump_catalog_entry(f, id, msg, oneline); | |
686 | } | |
687 | ||
688 | return r; | |
689 | } |