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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
d4205751 LP |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2012 Lennart Poettering | |
d4205751 LP |
6 | ***/ |
7 | ||
07630cea | 8 | #include <errno.h> |
d4205751 | 9 | #include <fcntl.h> |
07630cea | 10 | #include <locale.h> |
d4205751 | 11 | #include <stdio.h> |
d4205751 LP |
12 | #include <string.h> |
13 | #include <sys/mman.h> | |
07630cea | 14 | #include <unistd.h> |
d4205751 | 15 | |
d4205751 | 16 | #include "sd-id128.h" |
07630cea | 17 | |
b5efdb8a | 18 | #include "alloc-util.h" |
07630cea | 19 | #include "catalog.h" |
d4205751 | 20 | #include "conf-files.h" |
3ffd4af2 | 21 | #include "fd-util.h" |
0d39fa9c | 22 | #include "fileio.h" |
07630cea LP |
23 | #include "hashmap.h" |
24 | #include "log.h" | |
d4205751 | 25 | #include "mkdir.h" |
5f311f8c | 26 | #include "path-util.h" |
9bf3b535 | 27 | #include "siphash24.h" |
07630cea LP |
28 | #include "sparse-endian.h" |
29 | #include "strbuf.h" | |
30 | #include "string-util.h" | |
31 | #include "strv.h" | |
32 | #include "util.h" | |
d4205751 | 33 | |
844ec79b | 34 | const char * const catalog_file_dirs[] = { |
d4205751 LP |
35 | "/usr/local/lib/systemd/catalog/", |
36 | "/usr/lib/systemd/catalog/", | |
37 | NULL | |
38 | }; | |
39 | ||
40 | #define CATALOG_SIGNATURE (uint8_t[]) { 'R', 'H', 'H', 'H', 'K', 'S', 'L', 'P' } | |
41 | ||
42 | typedef struct CatalogHeader { | |
43 | uint8_t signature[8]; /* "RHHHKSLP" */ | |
44 | le32_t compatible_flags; | |
45 | le32_t incompatible_flags; | |
83f6936a LP |
46 | le64_t header_size; |
47 | le64_t n_items; | |
48 | le64_t catalog_item_size; | |
d4205751 LP |
49 | } CatalogHeader; |
50 | ||
51 | typedef struct CatalogItem { | |
52 | sd_id128_t id; | |
53 | char language[32]; | |
83f6936a | 54 | le64_t offset; |
d4205751 LP |
55 | } CatalogItem; |
56 | ||
b826ab58 | 57 | static void catalog_hash_func(const void *p, struct siphash *state) { |
d4205751 LP |
58 | const CatalogItem *i = p; |
59 | ||
b826ab58 TG |
60 | siphash24_compress(&i->id, sizeof(i->id), state); |
61 | siphash24_compress(i->language, strlen(i->language), state); | |
d4205751 LP |
62 | } |
63 | ||
d5099efc | 64 | static int catalog_compare_func(const void *a, const void *b) { |
d4205751 LP |
65 | const CatalogItem *i = a, *j = b; |
66 | unsigned k; | |
67 | ||
68 | for (k = 0; k < ELEMENTSOF(j->id.bytes); k++) { | |
69 | if (i->id.bytes[k] < j->id.bytes[k]) | |
70 | return -1; | |
71 | if (i->id.bytes[k] > j->id.bytes[k]) | |
72 | return 1; | |
73 | } | |
74 | ||
18cd5fe9 | 75 | return strcmp(i->language, j->language); |
d4205751 LP |
76 | } |
77 | ||
d5099efc MS |
78 | const struct hash_ops catalog_hash_ops = { |
79 | .hash = catalog_hash_func, | |
80 | .compare = catalog_compare_func | |
81 | }; | |
82 | ||
dbae138d SW |
83 | static bool next_header(const char **s) { |
84 | const char *e; | |
85 | ||
86 | e = strchr(*s, '\n'); | |
87 | ||
88 | /* Unexpected end */ | |
89 | if (!e) | |
90 | return false; | |
91 | ||
92 | /* End of headers */ | |
93 | if (e == *s) | |
94 | return false; | |
95 | ||
96 | *s = e + 1; | |
97 | return true; | |
98 | } | |
99 | ||
100 | static const char *skip_header(const char *s) { | |
101 | while (next_header(&s)) | |
102 | ; | |
103 | return s; | |
104 | } | |
105 | ||
106 | static char *combine_entries(const char *one, const char *two) { | |
107 | const char *b1, *b2; | |
108 | size_t l1, l2, n; | |
109 | char *dest, *p; | |
110 | ||
111 | /* Find split point of headers to body */ | |
112 | b1 = skip_header(one); | |
113 | b2 = skip_header(two); | |
114 | ||
115 | l1 = strlen(one); | |
116 | l2 = strlen(two); | |
117 | dest = new(char, l1 + l2 + 1); | |
118 | if (!dest) { | |
119 | log_oom(); | |
120 | return NULL; | |
121 | } | |
122 | ||
123 | p = dest; | |
124 | ||
125 | /* Headers from @one */ | |
126 | n = b1 - one; | |
127 | p = mempcpy(p, one, n); | |
128 | ||
129 | /* Headers from @two, these will only be found if not present above */ | |
130 | n = b2 - two; | |
131 | p = mempcpy(p, two, n); | |
132 | ||
133 | /* Body from @one */ | |
134 | n = l1 - (b1 - one); | |
135 | if (n > 0) { | |
136 | memcpy(p, b1, n); | |
137 | p += n; | |
138 | ||
139 | /* Body from @two */ | |
140 | } else { | |
141 | n = l2 - (b2 - two); | |
142 | memcpy(p, b2, n); | |
143 | p += n; | |
144 | } | |
145 | ||
146 | assert(p - dest <= (ptrdiff_t)(l1 + l2)); | |
147 | p[0] = '\0'; | |
148 | return dest; | |
149 | } | |
150 | ||
d4205751 LP |
151 | static int finish_item( |
152 | Hashmap *h, | |
d4205751 LP |
153 | sd_id128_t id, |
154 | const char *language, | |
06466a7f | 155 | char *payload, size_t payload_size) { |
d4205751 | 156 | |
e3b9d9c8 | 157 | _cleanup_free_ CatalogItem *i = NULL; |
06466a7f | 158 | _cleanup_free_ char *prev = NULL, *combined = NULL; |
d4205751 LP |
159 | |
160 | assert(h); | |
d4205751 | 161 | assert(payload); |
06466a7f | 162 | assert(payload_size > 0); |
d4205751 | 163 | |
d4205751 LP |
164 | i = new0(CatalogItem, 1); |
165 | if (!i) | |
166 | return log_oom(); | |
167 | ||
168 | i->id = id; | |
c7332b08 ZJS |
169 | if (language) { |
170 | assert(strlen(language) > 1 && strlen(language) < 32); | |
171 | strcpy(i->language, language); | |
172 | } | |
d4205751 | 173 | |
dbae138d | 174 | prev = hashmap_get(h, i); |
dbae138d | 175 | if (prev) { |
06466a7f | 176 | /* Already have such an item, combine them */ |
dbae138d SW |
177 | combined = combine_entries(payload, prev); |
178 | if (!combined) | |
179 | return log_oom(); | |
dbae138d | 180 | |
06466a7f ZJS |
181 | if (hashmap_update(h, i, combined) < 0) |
182 | return log_oom(); | |
183 | combined = NULL; | |
dbae138d | 184 | } else { |
06466a7f ZJS |
185 | /* A new item */ |
186 | combined = memdup(payload, payload_size + 1); | |
187 | if (!combined) | |
188 | return log_oom(); | |
189 | ||
190 | if (hashmap_put(h, i, combined) < 0) | |
191 | return log_oom(); | |
dbae138d | 192 | i = NULL; |
06466a7f | 193 | combined = NULL; |
dbae138d | 194 | } |
d4205751 LP |
195 | |
196 | return 0; | |
197 | } | |
198 | ||
c7332b08 ZJS |
199 | int catalog_file_lang(const char* filename, char **lang) { |
200 | char *beg, *end, *_lang; | |
201 | ||
202 | end = endswith(filename, ".catalog"); | |
203 | if (!end) | |
204 | return 0; | |
205 | ||
206 | beg = end - 1; | |
4c701096 | 207 | while (beg > filename && !IN_SET(*beg, '.', '/') && end - beg < 32) |
313cefa1 | 208 | beg--; |
c7332b08 | 209 | |
4b8268f8 | 210 | if (*beg != '.' || end <= beg + 1) |
c7332b08 ZJS |
211 | return 0; |
212 | ||
213 | _lang = strndup(beg + 1, end - beg - 1); | |
214 | if (!_lang) | |
215 | return -ENOMEM; | |
216 | ||
217 | *lang = _lang; | |
218 | return 1; | |
219 | } | |
220 | ||
baf167ee ZJS |
221 | static int catalog_entry_lang(const char* filename, int line, |
222 | const char* t, const char* deflang, char **lang) { | |
223 | size_t c; | |
224 | ||
225 | c = strlen(t); | |
226 | if (c == 0) { | |
227 | log_error("[%s:%u] Language too short.", filename, line); | |
228 | return -EINVAL; | |
229 | } | |
230 | if (c > 31) { | |
231 | log_error("[%s:%u] language too long.", filename, line); | |
232 | return -EINVAL; | |
233 | } | |
234 | ||
235 | if (deflang) { | |
236 | if (streq(t, deflang)) { | |
237 | log_warning("[%s:%u] language specified unnecessarily", | |
238 | filename, line); | |
239 | return 0; | |
240 | } else | |
241 | log_warning("[%s:%u] language differs from default for file", | |
242 | filename, line); | |
243 | } | |
244 | ||
245 | *lang = strdup(t); | |
246 | if (!*lang) | |
247 | return -ENOMEM; | |
248 | ||
249 | return 0; | |
250 | } | |
251 | ||
dbae138d | 252 | int catalog_import_file(Hashmap *h, const char *path) { |
d4205751 LP |
253 | _cleanup_fclose_ FILE *f = NULL; |
254 | _cleanup_free_ char *payload = NULL; | |
06466a7f | 255 | size_t payload_size = 0, payload_allocated = 0; |
d4205751 LP |
256 | unsigned n = 0; |
257 | sd_id128_t id; | |
c7332b08 | 258 | _cleanup_free_ char *deflang = NULL, *lang = NULL; |
d4205751 LP |
259 | bool got_id = false, empty_line = true; |
260 | int r; | |
261 | ||
262 | assert(h); | |
d4205751 LP |
263 | assert(path); |
264 | ||
265 | f = fopen(path, "re"); | |
4a62c710 MS |
266 | if (!f) |
267 | return log_error_errno(errno, "Failed to open file %s: %m", path); | |
d4205751 | 268 | |
c7332b08 ZJS |
269 | r = catalog_file_lang(path, &deflang); |
270 | if (r < 0) | |
709f6e46 | 271 | log_error_errno(r, "Failed to determine language for file %s: %m", path); |
c7332b08 ZJS |
272 | if (r == 1) |
273 | log_debug("File %s has language %s.", path, deflang); | |
274 | ||
d4205751 LP |
275 | for (;;) { |
276 | char line[LINE_MAX]; | |
06466a7f | 277 | size_t line_len; |
d4205751 LP |
278 | |
279 | if (!fgets(line, sizeof(line), f)) { | |
280 | if (feof(f)) | |
281 | break; | |
282 | ||
e1427b13 | 283 | return log_error_errno(errno, "Failed to read file %s: %m", path); |
d4205751 LP |
284 | } |
285 | ||
286 | n++; | |
287 | ||
288 | truncate_nl(line); | |
289 | ||
290 | if (line[0] == 0) { | |
291 | empty_line = true; | |
292 | continue; | |
293 | } | |
294 | ||
d3b6d0c2 | 295 | if (strchr(COMMENTS "\n", line[0])) |
d4205751 LP |
296 | continue; |
297 | ||
298 | if (empty_line && | |
299 | strlen(line) >= 2+1+32 && | |
300 | line[0] == '-' && | |
301 | line[1] == '-' && | |
302 | line[2] == ' ' && | |
4c701096 | 303 | IN_SET(line[2+1+32], ' ', '\0')) { |
d4205751 LP |
304 | |
305 | bool with_language; | |
306 | sd_id128_t jd; | |
307 | ||
308 | /* New entry */ | |
309 | ||
18cd5fe9 ZJS |
310 | with_language = line[2+1+32] != '\0'; |
311 | line[2+1+32] = '\0'; | |
d4205751 LP |
312 | |
313 | if (sd_id128_from_string(line + 2 + 1, &jd) >= 0) { | |
314 | ||
315 | if (got_id) { | |
06466a7f ZJS |
316 | if (payload_size == 0) { |
317 | log_error("[%s:%u] No payload text.", path, n); | |
318 | return -EINVAL; | |
319 | } | |
320 | ||
321 | r = finish_item(h, id, lang ?: deflang, payload, payload_size); | |
d4205751 LP |
322 | if (r < 0) |
323 | return r; | |
c7332b08 | 324 | |
97b11eed | 325 | lang = mfree(lang); |
06466a7f | 326 | payload_size = 0; |
d4205751 LP |
327 | } |
328 | ||
329 | if (with_language) { | |
06466a7f | 330 | char *t; |
d4205751 | 331 | |
06466a7f | 332 | t = strstrip(line + 2 + 1 + 32 + 1); |
baf167ee ZJS |
333 | r = catalog_entry_lang(path, n, t, deflang, &lang); |
334 | if (r < 0) | |
335 | return r; | |
c7332b08 | 336 | } |
d4205751 LP |
337 | |
338 | got_id = true; | |
339 | empty_line = false; | |
340 | id = jd; | |
341 | ||
d4205751 LP |
342 | continue; |
343 | } | |
344 | } | |
345 | ||
346 | /* Payload */ | |
347 | if (!got_id) { | |
348 | log_error("[%s:%u] Got payload before ID.", path, n); | |
349 | return -EINVAL; | |
350 | } | |
351 | ||
06466a7f ZJS |
352 | line_len = strlen(line); |
353 | if (!GREEDY_REALLOC(payload, payload_allocated, | |
354 | payload_size + (empty_line ? 1 : 0) + line_len + 1 + 1)) | |
d4205751 LP |
355 | return log_oom(); |
356 | ||
06466a7f ZJS |
357 | if (empty_line) |
358 | payload[payload_size++] = '\n'; | |
359 | memcpy(payload + payload_size, line, line_len); | |
360 | payload_size += line_len; | |
361 | payload[payload_size++] = '\n'; | |
362 | payload[payload_size] = '\0'; | |
d4205751 | 363 | |
d4205751 LP |
364 | empty_line = false; |
365 | } | |
366 | ||
367 | if (got_id) { | |
06466a7f ZJS |
368 | if (payload_size == 0) { |
369 | log_error("[%s:%u] No payload text.", path, n); | |
370 | return -EINVAL; | |
371 | } | |
372 | ||
373 | r = finish_item(h, id, lang ?: deflang, payload, payload_size); | |
d4205751 LP |
374 | if (r < 0) |
375 | return r; | |
376 | } | |
377 | ||
378 | return 0; | |
379 | } | |
380 | ||
77ba8233 MS |
381 | static int64_t write_catalog(const char *database, struct strbuf *sb, |
382 | CatalogItem *items, size_t n) { | |
844ec79b ZJS |
383 | CatalogHeader header; |
384 | _cleanup_fclose_ FILE *w = NULL; | |
385 | int r; | |
7fd1b19b | 386 | _cleanup_free_ char *d, *p = NULL; |
844ec79b ZJS |
387 | size_t k; |
388 | ||
389 | d = dirname_malloc(database); | |
390 | if (!d) | |
391 | return log_oom(); | |
392 | ||
393 | r = mkdir_p(d, 0775); | |
eb56eb9b MS |
394 | if (r < 0) |
395 | return log_error_errno(r, "Recursive mkdir %s: %m", d); | |
844ec79b ZJS |
396 | |
397 | r = fopen_temporary(database, &w, &p); | |
eb56eb9b MS |
398 | if (r < 0) |
399 | return log_error_errno(r, "Failed to open database for writing: %s: %m", | |
400 | database); | |
844ec79b ZJS |
401 | |
402 | zero(header); | |
403 | memcpy(header.signature, CATALOG_SIGNATURE, sizeof(header.signature)); | |
404 | header.header_size = htole64(ALIGN_TO(sizeof(CatalogHeader), 8)); | |
405 | header.catalog_item_size = htole64(sizeof(CatalogItem)); | |
8d2ecdb2 | 406 | header.n_items = htole64(n); |
80343dc1 | 407 | |
844ec79b ZJS |
408 | r = -EIO; |
409 | ||
410 | k = fwrite(&header, 1, sizeof(header), w); | |
411 | if (k != sizeof(header)) { | |
412 | log_error("%s: failed to write header.", p); | |
413 | goto error; | |
414 | } | |
415 | ||
416 | k = fwrite(items, 1, n * sizeof(CatalogItem), w); | |
417 | if (k != n * sizeof(CatalogItem)) { | |
418 | log_error("%s: failed to write database.", p); | |
419 | goto error; | |
420 | } | |
421 | ||
422 | k = fwrite(sb->buf, 1, sb->len, w); | |
423 | if (k != sb->len) { | |
424 | log_error("%s: failed to write strings.", p); | |
425 | goto error; | |
426 | } | |
427 | ||
dacd6cee LP |
428 | r = fflush_and_check(w); |
429 | if (r < 0) { | |
430 | log_error_errno(r, "%s: failed to write database: %m", p); | |
844ec79b ZJS |
431 | goto error; |
432 | } | |
433 | ||
434 | fchmod(fileno(w), 0644); | |
435 | ||
436 | if (rename(p, database) < 0) { | |
dacd6cee | 437 | r = log_error_errno(errno, "rename (%s -> %s) failed: %m", p, database); |
844ec79b ZJS |
438 | goto error; |
439 | } | |
440 | ||
77ba8233 | 441 | return ftello(w); |
844ec79b ZJS |
442 | |
443 | error: | |
dacd6cee | 444 | (void) unlink(p); |
844ec79b ZJS |
445 | return r; |
446 | } | |
447 | ||
448 | int catalog_update(const char* database, const char* root, const char* const* dirs) { | |
d4205751 | 449 | _cleanup_strv_free_ char **files = NULL; |
d4205751 | 450 | char **f; |
d4205751 | 451 | struct strbuf *sb = NULL; |
dbae138d | 452 | _cleanup_hashmap_free_free_free_ Hashmap *h = NULL; |
d4205751 | 453 | _cleanup_free_ CatalogItem *items = NULL; |
dbae138d SW |
454 | ssize_t offset; |
455 | char *payload; | |
d4205751 | 456 | CatalogItem *i; |
d4205751 LP |
457 | Iterator j; |
458 | unsigned n; | |
77ba8233 MS |
459 | int r; |
460 | int64_t sz; | |
d4205751 | 461 | |
d5099efc | 462 | h = hashmap_new(&catalog_hash_ops); |
d4205751 | 463 | sb = strbuf_new(); |
844ec79b ZJS |
464 | |
465 | if (!h || !sb) { | |
d4205751 LP |
466 | r = log_oom(); |
467 | goto finish; | |
468 | } | |
469 | ||
b5084605 | 470 | r = conf_files_list_strv(&files, ".catalog", root, 0, dirs); |
d4205751 | 471 | if (r < 0) { |
da927ba9 | 472 | log_error_errno(r, "Failed to get catalog files: %m"); |
d4205751 LP |
473 | goto finish; |
474 | } | |
475 | ||
476 | STRV_FOREACH(f, files) { | |
e3b9d9c8 | 477 | log_debug("Reading file '%s'", *f); |
dbae138d | 478 | r = catalog_import_file(h, *f); |
e3b9d9c8 | 479 | if (r < 0) { |
e53fc357 | 480 | log_error_errno(r, "Failed to import file '%s': %m", *f); |
e3b9d9c8 ZJS |
481 | goto finish; |
482 | } | |
d4205751 LP |
483 | } |
484 | ||
485 | if (hashmap_size(h) <= 0) { | |
486 | log_info("No items in catalog."); | |
d4205751 | 487 | goto finish; |
80343dc1 ZJS |
488 | } else |
489 | log_debug("Found %u items in catalog.", hashmap_size(h)); | |
d4205751 | 490 | |
d4205751 LP |
491 | items = new(CatalogItem, hashmap_size(h)); |
492 | if (!items) { | |
493 | r = log_oom(); | |
494 | goto finish; | |
495 | } | |
496 | ||
497 | n = 0; | |
dbae138d | 498 | HASHMAP_FOREACH_KEY(payload, i, h, j) { |
18cd5fe9 ZJS |
499 | log_debug("Found " SD_ID128_FORMAT_STR ", language %s", |
500 | SD_ID128_FORMAT_VAL(i->id), | |
501 | isempty(i->language) ? "C" : i->language); | |
dbae138d SW |
502 | |
503 | offset = strbuf_add_string(sb, payload, strlen(payload)); | |
504 | if (offset < 0) { | |
505 | r = log_oom(); | |
506 | goto finish; | |
507 | } | |
508 | i->offset = htole64((uint64_t) offset); | |
d4205751 LP |
509 | items[n++] = *i; |
510 | } | |
511 | ||
512 | assert(n == hashmap_size(h)); | |
7ff7394d | 513 | qsort_safe(items, n, sizeof(CatalogItem), catalog_compare_func); |
d4205751 | 514 | |
dbae138d SW |
515 | strbuf_complete(sb); |
516 | ||
77ba8233 MS |
517 | sz = write_catalog(database, sb, items, n); |
518 | if (sz < 0) | |
519 | r = log_error_errno(sz, "Failed to write %s: %m", database); | |
520 | else { | |
521 | r = 0; | |
522 | log_debug("%s: wrote %u items, with %zu bytes of strings, %"PRIi64" total size.", | |
523 | database, n, sb->len, sz); | |
524 | } | |
d4205751 | 525 | |
d4205751 | 526 | finish: |
77ba8233 | 527 | strbuf_cleanup(sb); |
d4205751 | 528 | |
77ba8233 | 529 | return r; |
d4205751 LP |
530 | } |
531 | ||
844ec79b | 532 | static int open_mmap(const char *database, int *_fd, struct stat *_st, void **_p) { |
d4205751 LP |
533 | const CatalogHeader *h; |
534 | int fd; | |
535 | void *p; | |
536 | struct stat st; | |
537 | ||
538 | assert(_fd); | |
539 | assert(_st); | |
540 | assert(_p); | |
541 | ||
844ec79b | 542 | fd = open(database, O_RDONLY|O_CLOEXEC); |
d4205751 LP |
543 | if (fd < 0) |
544 | return -errno; | |
545 | ||
546 | if (fstat(fd, &st) < 0) { | |
03e334a1 | 547 | safe_close(fd); |
d4205751 LP |
548 | return -errno; |
549 | } | |
550 | ||
551 | if (st.st_size < (off_t) sizeof(CatalogHeader)) { | |
03e334a1 | 552 | safe_close(fd); |
d4205751 LP |
553 | return -EINVAL; |
554 | } | |
555 | ||
556 | p = mmap(NULL, PAGE_ALIGN(st.st_size), PROT_READ, MAP_SHARED, fd, 0); | |
557 | if (p == MAP_FAILED) { | |
03e334a1 | 558 | safe_close(fd); |
d4205751 LP |
559 | return -errno; |
560 | } | |
561 | ||
562 | h = p; | |
563 | if (memcmp(h->signature, CATALOG_SIGNATURE, sizeof(h->signature)) != 0 || | |
83f6936a LP |
564 | le64toh(h->header_size) < sizeof(CatalogHeader) || |
565 | le64toh(h->catalog_item_size) < sizeof(CatalogItem) || | |
d4205751 | 566 | h->incompatible_flags != 0 || |
83f6936a LP |
567 | le64toh(h->n_items) <= 0 || |
568 | st.st_size < (off_t) (le64toh(h->header_size) + le64toh(h->catalog_item_size) * le64toh(h->n_items))) { | |
03e334a1 | 569 | safe_close(fd); |
d4205751 LP |
570 | munmap(p, st.st_size); |
571 | return -EBADMSG; | |
572 | } | |
573 | ||
574 | *_fd = fd; | |
575 | *_st = st; | |
576 | *_p = p; | |
577 | ||
578 | return 0; | |
579 | } | |
580 | ||
581 | static const char *find_id(void *p, sd_id128_t id) { | |
2e38df53 | 582 | CatalogItem *f = NULL, key = { .id = id }; |
d4205751 LP |
583 | const CatalogHeader *h = p; |
584 | const char *loc; | |
585 | ||
d4205751 LP |
586 | loc = setlocale(LC_MESSAGES, NULL); |
587 | if (loc && loc[0] && !streq(loc, "C") && !streq(loc, "POSIX")) { | |
588 | strncpy(key.language, loc, sizeof(key.language)); | |
589 | key.language[strcspn(key.language, ".@")] = 0; | |
590 | ||
83f6936a | 591 | 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 |
592 | if (!f) { |
593 | char *e; | |
594 | ||
595 | e = strchr(key.language, '_'); | |
596 | if (e) { | |
597 | *e = 0; | |
83f6936a | 598 | 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 |
599 | } |
600 | } | |
601 | } | |
602 | ||
603 | if (!f) { | |
604 | zero(key.language); | |
83f6936a | 605 | 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 |
606 | } |
607 | ||
608 | if (!f) | |
609 | return NULL; | |
610 | ||
611 | return (const char*) p + | |
83f6936a LP |
612 | le64toh(h->header_size) + |
613 | le64toh(h->n_items) * le64toh(h->catalog_item_size) + | |
614 | le64toh(f->offset); | |
d4205751 LP |
615 | } |
616 | ||
844ec79b | 617 | int catalog_get(const char* database, sd_id128_t id, char **_text) { |
d4205751 LP |
618 | _cleanup_close_ int fd = -1; |
619 | void *p = NULL; | |
a7f7d1bd | 620 | struct stat st = {}; |
d4205751 LP |
621 | char *text = NULL; |
622 | int r; | |
623 | const char *s; | |
624 | ||
625 | assert(_text); | |
626 | ||
844ec79b | 627 | r = open_mmap(database, &fd, &st, &p); |
d4205751 LP |
628 | if (r < 0) |
629 | return r; | |
630 | ||
631 | s = find_id(p, id); | |
632 | if (!s) { | |
633 | r = -ENOENT; | |
634 | goto finish; | |
635 | } | |
636 | ||
637 | text = strdup(s); | |
638 | if (!text) { | |
639 | r = -ENOMEM; | |
640 | goto finish; | |
641 | } | |
642 | ||
643 | *_text = text; | |
644 | r = 0; | |
645 | ||
646 | finish: | |
647 | if (p) | |
648 | munmap(p, st.st_size); | |
649 | ||
650 | return r; | |
651 | } | |
652 | ||
653 | static char *find_header(const char *s, const char *header) { | |
654 | ||
655 | for (;;) { | |
dbae138d | 656 | const char *v; |
d4205751 LP |
657 | |
658 | v = startswith(s, header); | |
659 | if (v) { | |
660 | v += strspn(v, WHITESPACE); | |
661 | return strndup(v, strcspn(v, NEWLINE)); | |
662 | } | |
663 | ||
dbae138d | 664 | if (!next_header(&s)) |
d4205751 | 665 | return NULL; |
d4205751 LP |
666 | } |
667 | } | |
668 | ||
54b7254c ZJS |
669 | static void dump_catalog_entry(FILE *f, sd_id128_t id, const char *s, bool oneline) { |
670 | if (oneline) { | |
671 | _cleanup_free_ char *subject = NULL, *defined_by = NULL; | |
672 | ||
673 | subject = find_header(s, "Subject:"); | |
674 | defined_by = find_header(s, "Defined-By:"); | |
675 | ||
676 | fprintf(f, SD_ID128_FORMAT_STR " %s: %s\n", | |
677 | SD_ID128_FORMAT_VAL(id), | |
678 | strna(defined_by), strna(subject)); | |
679 | } else | |
680 | fprintf(f, "-- " SD_ID128_FORMAT_STR "\n%s\n", | |
681 | SD_ID128_FORMAT_VAL(id), s); | |
682 | } | |
683 | ||
684 | ||
844ec79b | 685 | int catalog_list(FILE *f, const char *database, bool oneline) { |
d4205751 LP |
686 | _cleanup_close_ int fd = -1; |
687 | void *p = NULL; | |
688 | struct stat st; | |
689 | const CatalogHeader *h; | |
690 | const CatalogItem *items; | |
691 | int r; | |
692 | unsigned n; | |
693 | sd_id128_t last_id; | |
694 | bool last_id_set = false; | |
695 | ||
844ec79b | 696 | r = open_mmap(database, &fd, &st, &p); |
d4205751 LP |
697 | if (r < 0) |
698 | return r; | |
699 | ||
700 | h = p; | |
83f6936a | 701 | items = (const CatalogItem*) ((const uint8_t*) p + le64toh(h->header_size)); |
d4205751 | 702 | |
83f6936a | 703 | for (n = 0; n < le64toh(h->n_items); n++) { |
d4205751 | 704 | const char *s; |
d4205751 LP |
705 | |
706 | if (last_id_set && sd_id128_equal(last_id, items[n].id)) | |
707 | continue; | |
708 | ||
709 | assert_se(s = find_id(p, items[n].id)); | |
710 | ||
54b7254c | 711 | dump_catalog_entry(f, items[n].id, s, oneline); |
d4205751 LP |
712 | |
713 | last_id_set = true; | |
714 | last_id = items[n].id; | |
715 | } | |
716 | ||
717 | munmap(p, st.st_size); | |
718 | ||
719 | return 0; | |
720 | } | |
54b7254c | 721 | |
844ec79b | 722 | int catalog_list_items(FILE *f, const char *database, bool oneline, char **items) { |
54b7254c ZJS |
723 | char **item; |
724 | int r = 0; | |
725 | ||
726 | STRV_FOREACH(item, items) { | |
727 | sd_id128_t id; | |
728 | int k; | |
7fd1b19b | 729 | _cleanup_free_ char *msg = NULL; |
54b7254c ZJS |
730 | |
731 | k = sd_id128_from_string(*item, &id); | |
732 | if (k < 0) { | |
e53fc357 | 733 | log_error_errno(k, "Failed to parse id128 '%s': %m", *item); |
464264ac | 734 | if (r == 0) |
54b7254c ZJS |
735 | r = k; |
736 | continue; | |
737 | } | |
738 | ||
844ec79b | 739 | k = catalog_get(database, id, &msg); |
54b7254c | 740 | if (k < 0) { |
e53fc357 LP |
741 | log_full_errno(k == -ENOENT ? LOG_NOTICE : LOG_ERR, k, |
742 | "Failed to retrieve catalog entry for '%s': %m", *item); | |
464264ac | 743 | if (r == 0) |
54b7254c ZJS |
744 | r = k; |
745 | continue; | |
746 | } | |
747 | ||
748 | dump_catalog_entry(f, id, msg, oneline); | |
749 | } | |
750 | ||
751 | return r; | |
752 | } |