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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
d4205751 | 2 | |
07630cea | 3 | #include <errno.h> |
d4205751 | 4 | #include <fcntl.h> |
07630cea | 5 | #include <locale.h> |
d4205751 | 6 | #include <stdio.h> |
d4205751 | 7 | #include <sys/mman.h> |
ca78ad1d ZJS |
8 | #include <sys/stat.h> |
9 | #include <sys/types.h> | |
07630cea | 10 | #include <unistd.h> |
d4205751 | 11 | |
d4205751 | 12 | #include "sd-id128.h" |
07630cea | 13 | |
b5efdb8a | 14 | #include "alloc-util.h" |
07630cea | 15 | #include "catalog.h" |
d4205751 | 16 | #include "conf-files.h" |
3ffd4af2 | 17 | #include "fd-util.h" |
0d39fa9c | 18 | #include "fileio.h" |
07630cea LP |
19 | #include "hashmap.h" |
20 | #include "log.h" | |
0a970718 | 21 | #include "memory-util.h" |
d4205751 | 22 | #include "mkdir.h" |
5f311f8c | 23 | #include "path-util.h" |
9bf3b535 | 24 | #include "siphash24.h" |
760877e9 | 25 | #include "sort-util.h" |
07630cea LP |
26 | #include "sparse-endian.h" |
27 | #include "strbuf.h" | |
28 | #include "string-util.h" | |
29 | #include "strv.h" | |
e4de7287 | 30 | #include "tmpfile-util.h" |
d4205751 | 31 | |
844ec79b | 32 | const char * const catalog_file_dirs[] = { |
d4205751 LP |
33 | "/usr/local/lib/systemd/catalog/", |
34 | "/usr/lib/systemd/catalog/", | |
35 | NULL | |
36 | }; | |
37 | ||
5432d8a1 | 38 | #define CATALOG_SIGNATURE { 'R', 'H', 'H', 'H', 'K', 'S', 'L', 'P' } |
d4205751 LP |
39 | |
40 | typedef struct CatalogHeader { | |
41 | uint8_t signature[8]; /* "RHHHKSLP" */ | |
42 | le32_t compatible_flags; | |
43 | le32_t incompatible_flags; | |
83f6936a LP |
44 | le64_t header_size; |
45 | le64_t n_items; | |
46 | le64_t catalog_item_size; | |
d4205751 LP |
47 | } CatalogHeader; |
48 | ||
49 | typedef struct CatalogItem { | |
50 | sd_id128_t id; | |
00e1adf8 ZJS |
51 | char language[32]; /* One byte is used for termination, so the maximum allowed |
52 | * length of the string is actually 31 bytes. */ | |
83f6936a | 53 | le64_t offset; |
d4205751 LP |
54 | } CatalogItem; |
55 | ||
7a08d314 | 56 | static void catalog_hash_func(const CatalogItem *i, struct siphash *state) { |
b826ab58 | 57 | siphash24_compress(&i->id, sizeof(i->id), state); |
f281fc1e | 58 | siphash24_compress_string(i->language, state); |
d4205751 LP |
59 | } |
60 | ||
93bab288 | 61 | static int catalog_compare_func(const CatalogItem *a, const CatalogItem *b) { |
d4205751 | 62 | unsigned k; |
a0edd02e | 63 | int r; |
d4205751 | 64 | |
93bab288 YW |
65 | for (k = 0; k < ELEMENTSOF(b->id.bytes); k++) { |
66 | r = CMP(a->id.bytes[k], b->id.bytes[k]); | |
a0edd02e FB |
67 | if (r != 0) |
68 | return r; | |
d4205751 LP |
69 | } |
70 | ||
93bab288 | 71 | return strcmp(a->language, b->language); |
d4205751 LP |
72 | } |
73 | ||
7a08d314 | 74 | DEFINE_HASH_OPS(catalog_hash_ops, CatalogItem, catalog_hash_func, catalog_compare_func); |
d5099efc | 75 | |
dbae138d SW |
76 | static bool next_header(const char **s) { |
77 | const char *e; | |
78 | ||
79 | e = strchr(*s, '\n'); | |
80 | ||
81 | /* Unexpected end */ | |
82 | if (!e) | |
83 | return false; | |
84 | ||
85 | /* End of headers */ | |
86 | if (e == *s) | |
87 | return false; | |
88 | ||
89 | *s = e + 1; | |
90 | return true; | |
91 | } | |
92 | ||
93 | static const char *skip_header(const char *s) { | |
94 | while (next_header(&s)) | |
95 | ; | |
96 | return s; | |
97 | } | |
98 | ||
99 | static char *combine_entries(const char *one, const char *two) { | |
100 | const char *b1, *b2; | |
101 | size_t l1, l2, n; | |
102 | char *dest, *p; | |
103 | ||
104 | /* Find split point of headers to body */ | |
105 | b1 = skip_header(one); | |
106 | b2 = skip_header(two); | |
107 | ||
108 | l1 = strlen(one); | |
109 | l2 = strlen(two); | |
110 | dest = new(char, l1 + l2 + 1); | |
111 | if (!dest) { | |
112 | log_oom(); | |
113 | return NULL; | |
114 | } | |
115 | ||
116 | p = dest; | |
117 | ||
118 | /* Headers from @one */ | |
119 | n = b1 - one; | |
120 | p = mempcpy(p, one, n); | |
121 | ||
122 | /* Headers from @two, these will only be found if not present above */ | |
123 | n = b2 - two; | |
124 | p = mempcpy(p, two, n); | |
125 | ||
126 | /* Body from @one */ | |
127 | n = l1 - (b1 - one); | |
128 | if (n > 0) { | |
129 | memcpy(p, b1, n); | |
130 | p += n; | |
131 | ||
132 | /* Body from @two */ | |
133 | } else { | |
134 | n = l2 - (b2 - two); | |
135 | memcpy(p, b2, n); | |
136 | p += n; | |
137 | } | |
138 | ||
139 | assert(p - dest <= (ptrdiff_t)(l1 + l2)); | |
140 | p[0] = '\0'; | |
141 | return dest; | |
142 | } | |
143 | ||
d4205751 | 144 | static int finish_item( |
a95686bb | 145 | OrderedHashmap *h, |
d4205751 LP |
146 | sd_id128_t id, |
147 | const char *language, | |
06466a7f | 148 | char *payload, size_t payload_size) { |
d4205751 | 149 | |
e3b9d9c8 | 150 | _cleanup_free_ CatalogItem *i = NULL; |
06466a7f | 151 | _cleanup_free_ char *prev = NULL, *combined = NULL; |
d4205751 LP |
152 | |
153 | assert(h); | |
d4205751 | 154 | assert(payload); |
06466a7f | 155 | assert(payload_size > 0); |
d4205751 | 156 | |
d4205751 LP |
157 | i = new0(CatalogItem, 1); |
158 | if (!i) | |
159 | return log_oom(); | |
160 | ||
161 | i->id = id; | |
c7332b08 ZJS |
162 | if (language) { |
163 | assert(strlen(language) > 1 && strlen(language) < 32); | |
164 | strcpy(i->language, language); | |
165 | } | |
d4205751 | 166 | |
a95686bb | 167 | prev = ordered_hashmap_get(h, i); |
dbae138d | 168 | if (prev) { |
06466a7f | 169 | /* Already have such an item, combine them */ |
dbae138d SW |
170 | combined = combine_entries(payload, prev); |
171 | if (!combined) | |
172 | return log_oom(); | |
dbae138d | 173 | |
a95686bb | 174 | if (ordered_hashmap_update(h, i, combined) < 0) |
06466a7f ZJS |
175 | return log_oom(); |
176 | combined = NULL; | |
dbae138d | 177 | } else { |
06466a7f ZJS |
178 | /* A new item */ |
179 | combined = memdup(payload, payload_size + 1); | |
180 | if (!combined) | |
181 | return log_oom(); | |
182 | ||
a95686bb | 183 | if (ordered_hashmap_put(h, i, combined) < 0) |
06466a7f | 184 | return log_oom(); |
dbae138d | 185 | i = NULL; |
06466a7f | 186 | combined = NULL; |
dbae138d | 187 | } |
d4205751 LP |
188 | |
189 | return 0; | |
190 | } | |
191 | ||
c7332b08 ZJS |
192 | int catalog_file_lang(const char* filename, char **lang) { |
193 | char *beg, *end, *_lang; | |
194 | ||
195 | end = endswith(filename, ".catalog"); | |
196 | if (!end) | |
197 | return 0; | |
198 | ||
199 | beg = end - 1; | |
4c701096 | 200 | while (beg > filename && !IN_SET(*beg, '.', '/') && end - beg < 32) |
313cefa1 | 201 | beg--; |
c7332b08 | 202 | |
4b8268f8 | 203 | if (*beg != '.' || end <= beg + 1) |
c7332b08 ZJS |
204 | return 0; |
205 | ||
206 | _lang = strndup(beg + 1, end - beg - 1); | |
207 | if (!_lang) | |
208 | return -ENOMEM; | |
209 | ||
210 | *lang = _lang; | |
211 | return 1; | |
212 | } | |
213 | ||
bbe80432 LP |
214 | static int catalog_entry_lang( |
215 | const char* filename, | |
216 | unsigned line, | |
217 | const char* t, | |
218 | const char* deflang, | |
219 | char **ret) { | |
220 | ||
baf167ee | 221 | size_t c; |
bbe80432 | 222 | char *z; |
baf167ee ZJS |
223 | |
224 | c = strlen(t); | |
c90c39ff | 225 | if (c < 2) |
baaa35ad | 226 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
0640d48a | 227 | "[%s:%u] Language too short.", filename, line); |
baaa35ad ZJS |
228 | if (c > 31) |
229 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
0640d48a | 230 | "[%s:%u] language too long.", filename, line); |
baf167ee ZJS |
231 | |
232 | if (deflang) { | |
233 | if (streq(t, deflang)) { | |
0640d48a | 234 | log_warning("[%s:%u] language specified unnecessarily", filename, line); |
baf167ee | 235 | return 0; |
0640d48a LP |
236 | } |
237 | ||
238 | log_warning("[%s:%u] language differs from default for file", filename, line); | |
baf167ee ZJS |
239 | } |
240 | ||
bbe80432 LP |
241 | z = strdup(t); |
242 | if (!z) | |
243 | return -ENOMEM; | |
baf167ee | 244 | |
bbe80432 | 245 | *ret = z; |
baf167ee ZJS |
246 | return 0; |
247 | } | |
248 | ||
a95686bb | 249 | int catalog_import_file(OrderedHashmap *h, const char *path) { |
d4205751 LP |
250 | _cleanup_fclose_ FILE *f = NULL; |
251 | _cleanup_free_ char *payload = NULL; | |
06466a7f | 252 | size_t payload_size = 0, payload_allocated = 0; |
d4205751 LP |
253 | unsigned n = 0; |
254 | sd_id128_t id; | |
c7332b08 | 255 | _cleanup_free_ char *deflang = NULL, *lang = NULL; |
d4205751 LP |
256 | bool got_id = false, empty_line = true; |
257 | int r; | |
258 | ||
259 | assert(h); | |
d4205751 LP |
260 | assert(path); |
261 | ||
262 | f = fopen(path, "re"); | |
4a62c710 MS |
263 | if (!f) |
264 | return log_error_errno(errno, "Failed to open file %s: %m", path); | |
d4205751 | 265 | |
c7332b08 ZJS |
266 | r = catalog_file_lang(path, &deflang); |
267 | if (r < 0) | |
709f6e46 | 268 | log_error_errno(r, "Failed to determine language for file %s: %m", path); |
c7332b08 ZJS |
269 | if (r == 1) |
270 | log_debug("File %s has language %s.", path, deflang); | |
271 | ||
d4205751 | 272 | for (;;) { |
df2b06d1 | 273 | _cleanup_free_ char *line = NULL; |
06466a7f | 274 | size_t line_len; |
d4205751 | 275 | |
df2b06d1 LP |
276 | r = read_line(f, LONG_LINE_MAX, &line); |
277 | if (r < 0) | |
278 | return log_error_errno(r, "Failed to read file %s: %m", path); | |
279 | if (r == 0) | |
280 | break; | |
d4205751 LP |
281 | |
282 | n++; | |
283 | ||
df2b06d1 | 284 | if (isempty(line)) { |
d4205751 LP |
285 | empty_line = true; |
286 | continue; | |
287 | } | |
288 | ||
df2b06d1 | 289 | if (strchr(COMMENTS, line[0])) |
d4205751 LP |
290 | continue; |
291 | ||
292 | if (empty_line && | |
293 | strlen(line) >= 2+1+32 && | |
294 | line[0] == '-' && | |
295 | line[1] == '-' && | |
296 | line[2] == ' ' && | |
4c701096 | 297 | IN_SET(line[2+1+32], ' ', '\0')) { |
d4205751 LP |
298 | |
299 | bool with_language; | |
300 | sd_id128_t jd; | |
301 | ||
302 | /* New entry */ | |
303 | ||
18cd5fe9 ZJS |
304 | with_language = line[2+1+32] != '\0'; |
305 | line[2+1+32] = '\0'; | |
d4205751 LP |
306 | |
307 | if (sd_id128_from_string(line + 2 + 1, &jd) >= 0) { | |
308 | ||
309 | if (got_id) { | |
baaa35ad ZJS |
310 | if (payload_size == 0) |
311 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
312 | "[%s:%u] No payload text.", | |
313 | path, | |
314 | n); | |
06466a7f ZJS |
315 | |
316 | r = finish_item(h, id, lang ?: deflang, payload, payload_size); | |
d4205751 LP |
317 | if (r < 0) |
318 | return r; | |
c7332b08 | 319 | |
97b11eed | 320 | lang = mfree(lang); |
06466a7f | 321 | payload_size = 0; |
d4205751 LP |
322 | } |
323 | ||
324 | if (with_language) { | |
06466a7f | 325 | char *t; |
d4205751 | 326 | |
06466a7f | 327 | t = strstrip(line + 2 + 1 + 32 + 1); |
baf167ee ZJS |
328 | r = catalog_entry_lang(path, n, t, deflang, &lang); |
329 | if (r < 0) | |
330 | return r; | |
c7332b08 | 331 | } |
d4205751 LP |
332 | |
333 | got_id = true; | |
334 | empty_line = false; | |
335 | id = jd; | |
336 | ||
d4205751 LP |
337 | continue; |
338 | } | |
339 | } | |
340 | ||
341 | /* Payload */ | |
baaa35ad ZJS |
342 | if (!got_id) |
343 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
344 | "[%s:%u] Got payload before ID.", | |
345 | path, n); | |
d4205751 | 346 | |
06466a7f ZJS |
347 | line_len = strlen(line); |
348 | if (!GREEDY_REALLOC(payload, payload_allocated, | |
349 | payload_size + (empty_line ? 1 : 0) + line_len + 1 + 1)) | |
d4205751 LP |
350 | return log_oom(); |
351 | ||
06466a7f ZJS |
352 | if (empty_line) |
353 | payload[payload_size++] = '\n'; | |
354 | memcpy(payload + payload_size, line, line_len); | |
355 | payload_size += line_len; | |
356 | payload[payload_size++] = '\n'; | |
357 | payload[payload_size] = '\0'; | |
d4205751 | 358 | |
d4205751 LP |
359 | empty_line = false; |
360 | } | |
361 | ||
362 | if (got_id) { | |
baaa35ad ZJS |
363 | if (payload_size == 0) |
364 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
365 | "[%s:%u] No payload text.", | |
366 | path, n); | |
06466a7f ZJS |
367 | |
368 | r = finish_item(h, id, lang ?: deflang, payload, payload_size); | |
d4205751 LP |
369 | if (r < 0) |
370 | return r; | |
371 | } | |
372 | ||
373 | return 0; | |
374 | } | |
375 | ||
3f1e2714 LP |
376 | static int64_t write_catalog( |
377 | const char *database, | |
378 | struct strbuf *sb, | |
379 | CatalogItem *items, | |
380 | size_t n) { | |
381 | ||
844ec79b | 382 | _cleanup_fclose_ FILE *w = NULL; |
3f1e2714 LP |
383 | _cleanup_free_ char *p = NULL; |
384 | CatalogHeader header; | |
844ec79b | 385 | size_t k; |
3f1e2714 | 386 | int r; |
844ec79b | 387 | |
3f1e2714 | 388 | r = mkdir_parents(database, 0755); |
eb56eb9b | 389 | if (r < 0) |
3f1e2714 | 390 | return log_error_errno(r, "Failed to create parent directories of %s: %m", database); |
844ec79b ZJS |
391 | |
392 | r = fopen_temporary(database, &w, &p); | |
eb56eb9b MS |
393 | if (r < 0) |
394 | return log_error_errno(r, "Failed to open database for writing: %s: %m", | |
395 | database); | |
844ec79b | 396 | |
5432d8a1 LP |
397 | header = (CatalogHeader) { |
398 | .signature = CATALOG_SIGNATURE, | |
399 | .header_size = htole64(ALIGN_TO(sizeof(CatalogHeader), 8)), | |
400 | .catalog_item_size = htole64(sizeof(CatalogItem)), | |
401 | .n_items = htole64(n), | |
402 | }; | |
80343dc1 | 403 | |
844ec79b ZJS |
404 | r = -EIO; |
405 | ||
406 | k = fwrite(&header, 1, sizeof(header), w); | |
407 | if (k != sizeof(header)) { | |
408 | log_error("%s: failed to write header.", p); | |
409 | goto error; | |
410 | } | |
411 | ||
412 | k = fwrite(items, 1, n * sizeof(CatalogItem), w); | |
413 | if (k != n * sizeof(CatalogItem)) { | |
414 | log_error("%s: failed to write database.", p); | |
415 | goto error; | |
416 | } | |
417 | ||
418 | k = fwrite(sb->buf, 1, sb->len, w); | |
419 | if (k != sb->len) { | |
420 | log_error("%s: failed to write strings.", p); | |
421 | goto error; | |
422 | } | |
423 | ||
dacd6cee LP |
424 | r = fflush_and_check(w); |
425 | if (r < 0) { | |
426 | log_error_errno(r, "%s: failed to write database: %m", p); | |
844ec79b ZJS |
427 | goto error; |
428 | } | |
429 | ||
3d477d61 | 430 | (void) fchmod(fileno(w), 0644); |
844ec79b ZJS |
431 | |
432 | if (rename(p, database) < 0) { | |
dacd6cee | 433 | r = log_error_errno(errno, "rename (%s -> %s) failed: %m", p, database); |
844ec79b ZJS |
434 | goto error; |
435 | } | |
436 | ||
77ba8233 | 437 | return ftello(w); |
844ec79b ZJS |
438 | |
439 | error: | |
dacd6cee | 440 | (void) unlink(p); |
844ec79b ZJS |
441 | return r; |
442 | } | |
443 | ||
444 | int catalog_update(const char* database, const char* root, const char* const* dirs) { | |
d4205751 | 445 | _cleanup_strv_free_ char **files = NULL; |
d4205751 | 446 | char **f; |
f201daec | 447 | _cleanup_(strbuf_cleanupp) struct strbuf *sb = NULL; |
a95686bb | 448 | _cleanup_ordered_hashmap_free_free_free_ OrderedHashmap *h = NULL; |
d4205751 | 449 | _cleanup_free_ CatalogItem *items = NULL; |
dbae138d SW |
450 | ssize_t offset; |
451 | char *payload; | |
d4205751 | 452 | CatalogItem *i; |
d4205751 LP |
453 | Iterator j; |
454 | unsigned n; | |
77ba8233 MS |
455 | int r; |
456 | int64_t sz; | |
d4205751 | 457 | |
a95686bb | 458 | h = ordered_hashmap_new(&catalog_hash_ops); |
d4205751 | 459 | sb = strbuf_new(); |
f201daec ZJS |
460 | if (!h || !sb) |
461 | return log_oom(); | |
d4205751 | 462 | |
b5084605 | 463 | r = conf_files_list_strv(&files, ".catalog", root, 0, dirs); |
f201daec ZJS |
464 | if (r < 0) |
465 | return log_error_errno(r, "Failed to get catalog files: %m"); | |
d4205751 LP |
466 | |
467 | STRV_FOREACH(f, files) { | |
e3b9d9c8 | 468 | log_debug("Reading file '%s'", *f); |
dbae138d | 469 | r = catalog_import_file(h, *f); |
f201daec ZJS |
470 | if (r < 0) |
471 | return log_error_errno(r, "Failed to import file '%s': %m", *f); | |
d4205751 LP |
472 | } |
473 | ||
a95686bb | 474 | if (ordered_hashmap_size(h) <= 0) { |
d4205751 | 475 | log_info("No items in catalog."); |
f201daec | 476 | return 0; |
80343dc1 | 477 | } else |
a95686bb | 478 | log_debug("Found %u items in catalog.", ordered_hashmap_size(h)); |
d4205751 | 479 | |
a95686bb | 480 | items = new(CatalogItem, ordered_hashmap_size(h)); |
f201daec ZJS |
481 | if (!items) |
482 | return log_oom(); | |
d4205751 LP |
483 | |
484 | n = 0; | |
a95686bb | 485 | ORDERED_HASHMAP_FOREACH_KEY(payload, i, h, j) { |
18cd5fe9 ZJS |
486 | log_debug("Found " SD_ID128_FORMAT_STR ", language %s", |
487 | SD_ID128_FORMAT_VAL(i->id), | |
488 | isempty(i->language) ? "C" : i->language); | |
dbae138d SW |
489 | |
490 | offset = strbuf_add_string(sb, payload, strlen(payload)); | |
f201daec ZJS |
491 | if (offset < 0) |
492 | return log_oom(); | |
493 | ||
dbae138d | 494 | i->offset = htole64((uint64_t) offset); |
d4205751 LP |
495 | items[n++] = *i; |
496 | } | |
497 | ||
a95686bb | 498 | assert(n == ordered_hashmap_size(h)); |
93bab288 | 499 | typesafe_qsort(items, n, catalog_compare_func); |
d4205751 | 500 | |
dbae138d SW |
501 | strbuf_complete(sb); |
502 | ||
77ba8233 MS |
503 | sz = write_catalog(database, sb, items, n); |
504 | if (sz < 0) | |
f201daec | 505 | return log_error_errno(sz, "Failed to write %s: %m", database); |
d4205751 | 506 | |
f201daec ZJS |
507 | log_debug("%s: wrote %u items, with %zu bytes of strings, %"PRIi64" total size.", |
508 | database, n, sb->len, sz); | |
509 | return 0; | |
d4205751 LP |
510 | } |
511 | ||
844ec79b | 512 | static int open_mmap(const char *database, int *_fd, struct stat *_st, void **_p) { |
0c0e87fc | 513 | _cleanup_close_ int fd = -1; |
d4205751 | 514 | const CatalogHeader *h; |
d4205751 | 515 | struct stat st; |
0c0e87fc | 516 | void *p; |
d4205751 LP |
517 | |
518 | assert(_fd); | |
519 | assert(_st); | |
520 | assert(_p); | |
521 | ||
844ec79b | 522 | fd = open(database, O_RDONLY|O_CLOEXEC); |
d4205751 LP |
523 | if (fd < 0) |
524 | return -errno; | |
525 | ||
0c0e87fc | 526 | if (fstat(fd, &st) < 0) |
d4205751 | 527 | return -errno; |
d4205751 | 528 | |
0c0e87fc | 529 | if (st.st_size < (off_t) sizeof(CatalogHeader)) |
d4205751 | 530 | return -EINVAL; |
d4205751 LP |
531 | |
532 | p = mmap(NULL, PAGE_ALIGN(st.st_size), PROT_READ, MAP_SHARED, fd, 0); | |
0c0e87fc | 533 | if (p == MAP_FAILED) |
d4205751 | 534 | return -errno; |
d4205751 LP |
535 | |
536 | h = p; | |
5432d8a1 | 537 | if (memcmp(h->signature, (const uint8_t[]) CATALOG_SIGNATURE, sizeof(h->signature)) != 0 || |
83f6936a LP |
538 | le64toh(h->header_size) < sizeof(CatalogHeader) || |
539 | le64toh(h->catalog_item_size) < sizeof(CatalogItem) || | |
d4205751 | 540 | h->incompatible_flags != 0 || |
83f6936a LP |
541 | le64toh(h->n_items) <= 0 || |
542 | st.st_size < (off_t) (le64toh(h->header_size) + le64toh(h->catalog_item_size) * le64toh(h->n_items))) { | |
d4205751 LP |
543 | munmap(p, st.st_size); |
544 | return -EBADMSG; | |
545 | } | |
546 | ||
0c0e87fc | 547 | *_fd = TAKE_FD(fd); |
d4205751 LP |
548 | *_st = st; |
549 | *_p = p; | |
550 | ||
551 | return 0; | |
552 | } | |
553 | ||
554 | static const char *find_id(void *p, sd_id128_t id) { | |
2e38df53 | 555 | CatalogItem *f = NULL, key = { .id = id }; |
d4205751 LP |
556 | const CatalogHeader *h = p; |
557 | const char *loc; | |
558 | ||
d4205751 | 559 | loc = setlocale(LC_MESSAGES, NULL); |
00e1adf8 ZJS |
560 | if (!isempty(loc) && !STR_IN_SET(loc, "C", "POSIX")) { |
561 | size_t len; | |
562 | ||
563 | len = strcspn(loc, ".@"); | |
564 | if (len > sizeof(key.language) - 1) | |
565 | log_debug("LC_MESSAGES value too long, ignoring: \"%.*s\"", (int) len, loc); | |
566 | else { | |
567 | strncpy(key.language, loc, len); | |
568 | key.language[len] = '\0'; | |
569 | ||
570 | f = bsearch(&key, | |
571 | (const uint8_t*) p + le64toh(h->header_size), | |
572 | le64toh(h->n_items), | |
573 | le64toh(h->catalog_item_size), | |
574 | (comparison_fn_t) catalog_compare_func); | |
575 | if (!f) { | |
576 | char *e; | |
577 | ||
578 | e = strchr(key.language, '_'); | |
579 | if (e) { | |
580 | *e = 0; | |
581 | f = bsearch(&key, | |
582 | (const uint8_t*) p + le64toh(h->header_size), | |
583 | le64toh(h->n_items), | |
584 | le64toh(h->catalog_item_size), | |
585 | (comparison_fn_t) catalog_compare_func); | |
586 | } | |
d4205751 LP |
587 | } |
588 | } | |
589 | } | |
590 | ||
591 | if (!f) { | |
592 | zero(key.language); | |
00e1adf8 ZJS |
593 | f = bsearch(&key, |
594 | (const uint8_t*) p + le64toh(h->header_size), | |
595 | le64toh(h->n_items), | |
596 | le64toh(h->catalog_item_size), | |
597 | (comparison_fn_t) catalog_compare_func); | |
d4205751 LP |
598 | } |
599 | ||
600 | if (!f) | |
601 | return NULL; | |
602 | ||
603 | return (const char*) p + | |
83f6936a LP |
604 | le64toh(h->header_size) + |
605 | le64toh(h->n_items) * le64toh(h->catalog_item_size) + | |
606 | le64toh(f->offset); | |
d4205751 LP |
607 | } |
608 | ||
844ec79b | 609 | int catalog_get(const char* database, sd_id128_t id, char **_text) { |
d4205751 LP |
610 | _cleanup_close_ int fd = -1; |
611 | void *p = NULL; | |
a7f7d1bd | 612 | struct stat st = {}; |
d4205751 LP |
613 | char *text = NULL; |
614 | int r; | |
615 | const char *s; | |
616 | ||
617 | assert(_text); | |
618 | ||
844ec79b | 619 | r = open_mmap(database, &fd, &st, &p); |
d4205751 LP |
620 | if (r < 0) |
621 | return r; | |
622 | ||
623 | s = find_id(p, id); | |
624 | if (!s) { | |
625 | r = -ENOENT; | |
626 | goto finish; | |
627 | } | |
628 | ||
629 | text = strdup(s); | |
630 | if (!text) { | |
631 | r = -ENOMEM; | |
632 | goto finish; | |
633 | } | |
634 | ||
635 | *_text = text; | |
636 | r = 0; | |
637 | ||
638 | finish: | |
639 | if (p) | |
640 | munmap(p, st.st_size); | |
641 | ||
642 | return r; | |
643 | } | |
644 | ||
645 | static char *find_header(const char *s, const char *header) { | |
646 | ||
647 | for (;;) { | |
dbae138d | 648 | const char *v; |
d4205751 LP |
649 | |
650 | v = startswith(s, header); | |
651 | if (v) { | |
652 | v += strspn(v, WHITESPACE); | |
653 | return strndup(v, strcspn(v, NEWLINE)); | |
654 | } | |
655 | ||
dbae138d | 656 | if (!next_header(&s)) |
d4205751 | 657 | return NULL; |
d4205751 LP |
658 | } |
659 | } | |
660 | ||
54b7254c ZJS |
661 | static void dump_catalog_entry(FILE *f, sd_id128_t id, const char *s, bool oneline) { |
662 | if (oneline) { | |
663 | _cleanup_free_ char *subject = NULL, *defined_by = NULL; | |
664 | ||
665 | subject = find_header(s, "Subject:"); | |
666 | defined_by = find_header(s, "Defined-By:"); | |
667 | ||
668 | fprintf(f, SD_ID128_FORMAT_STR " %s: %s\n", | |
669 | SD_ID128_FORMAT_VAL(id), | |
670 | strna(defined_by), strna(subject)); | |
671 | } else | |
672 | fprintf(f, "-- " SD_ID128_FORMAT_STR "\n%s\n", | |
673 | SD_ID128_FORMAT_VAL(id), s); | |
674 | } | |
675 | ||
844ec79b | 676 | int catalog_list(FILE *f, const char *database, bool oneline) { |
d4205751 LP |
677 | _cleanup_close_ int fd = -1; |
678 | void *p = NULL; | |
679 | struct stat st; | |
680 | const CatalogHeader *h; | |
681 | const CatalogItem *items; | |
682 | int r; | |
683 | unsigned n; | |
684 | sd_id128_t last_id; | |
685 | bool last_id_set = false; | |
686 | ||
844ec79b | 687 | r = open_mmap(database, &fd, &st, &p); |
d4205751 LP |
688 | if (r < 0) |
689 | return r; | |
690 | ||
691 | h = p; | |
83f6936a | 692 | items = (const CatalogItem*) ((const uint8_t*) p + le64toh(h->header_size)); |
d4205751 | 693 | |
83f6936a | 694 | for (n = 0; n < le64toh(h->n_items); n++) { |
d4205751 | 695 | const char *s; |
d4205751 LP |
696 | |
697 | if (last_id_set && sd_id128_equal(last_id, items[n].id)) | |
698 | continue; | |
699 | ||
700 | assert_se(s = find_id(p, items[n].id)); | |
701 | ||
54b7254c | 702 | dump_catalog_entry(f, items[n].id, s, oneline); |
d4205751 LP |
703 | |
704 | last_id_set = true; | |
705 | last_id = items[n].id; | |
706 | } | |
707 | ||
708 | munmap(p, st.st_size); | |
709 | ||
710 | return 0; | |
711 | } | |
54b7254c | 712 | |
844ec79b | 713 | int catalog_list_items(FILE *f, const char *database, bool oneline, char **items) { |
54b7254c ZJS |
714 | char **item; |
715 | int r = 0; | |
716 | ||
717 | STRV_FOREACH(item, items) { | |
718 | sd_id128_t id; | |
719 | int k; | |
7fd1b19b | 720 | _cleanup_free_ char *msg = NULL; |
54b7254c ZJS |
721 | |
722 | k = sd_id128_from_string(*item, &id); | |
723 | if (k < 0) { | |
e53fc357 | 724 | log_error_errno(k, "Failed to parse id128 '%s': %m", *item); |
464264ac | 725 | if (r == 0) |
54b7254c ZJS |
726 | r = k; |
727 | continue; | |
728 | } | |
729 | ||
844ec79b | 730 | k = catalog_get(database, id, &msg); |
54b7254c | 731 | if (k < 0) { |
e53fc357 LP |
732 | log_full_errno(k == -ENOENT ? LOG_NOTICE : LOG_ERR, k, |
733 | "Failed to retrieve catalog entry for '%s': %m", *item); | |
464264ac | 734 | if (r == 0) |
54b7254c ZJS |
735 | r = k; |
736 | continue; | |
737 | } | |
738 | ||
739 | dump_catalog_entry(f, id, msg, oneline); | |
740 | } | |
741 | ||
742 | return r; | |
743 | } |