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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 LP |
7 | #include <string.h> |
8 | #include <sys/mman.h> | |
07630cea | 9 | #include <unistd.h> |
d4205751 | 10 | |
d4205751 | 11 | #include "sd-id128.h" |
07630cea | 12 | |
b5efdb8a | 13 | #include "alloc-util.h" |
07630cea | 14 | #include "catalog.h" |
d4205751 | 15 | #include "conf-files.h" |
3ffd4af2 | 16 | #include "fd-util.h" |
0d39fa9c | 17 | #include "fileio.h" |
07630cea LP |
18 | #include "hashmap.h" |
19 | #include "log.h" | |
d4205751 | 20 | #include "mkdir.h" |
5f311f8c | 21 | #include "path-util.h" |
9bf3b535 | 22 | #include "siphash24.h" |
07630cea LP |
23 | #include "sparse-endian.h" |
24 | #include "strbuf.h" | |
25 | #include "string-util.h" | |
26 | #include "strv.h" | |
e4de7287 | 27 | #include "tmpfile-util.h" |
07630cea | 28 | #include "util.h" |
d4205751 | 29 | |
844ec79b | 30 | const char * const catalog_file_dirs[] = { |
d4205751 LP |
31 | "/usr/local/lib/systemd/catalog/", |
32 | "/usr/lib/systemd/catalog/", | |
33 | NULL | |
34 | }; | |
35 | ||
36 | #define CATALOG_SIGNATURE (uint8_t[]) { 'R', 'H', 'H', 'H', 'K', 'S', 'L', 'P' } | |
37 | ||
38 | typedef struct CatalogHeader { | |
39 | uint8_t signature[8]; /* "RHHHKSLP" */ | |
40 | le32_t compatible_flags; | |
41 | le32_t incompatible_flags; | |
83f6936a LP |
42 | le64_t header_size; |
43 | le64_t n_items; | |
44 | le64_t catalog_item_size; | |
d4205751 LP |
45 | } CatalogHeader; |
46 | ||
47 | typedef struct CatalogItem { | |
48 | sd_id128_t id; | |
00e1adf8 ZJS |
49 | char language[32]; /* One byte is used for termination, so the maximum allowed |
50 | * length of the string is actually 31 bytes. */ | |
83f6936a | 51 | le64_t offset; |
d4205751 LP |
52 | } CatalogItem; |
53 | ||
7a08d314 | 54 | static void catalog_hash_func(const CatalogItem *i, struct siphash *state) { |
b826ab58 TG |
55 | siphash24_compress(&i->id, sizeof(i->id), state); |
56 | siphash24_compress(i->language, strlen(i->language), state); | |
d4205751 LP |
57 | } |
58 | ||
93bab288 | 59 | static int catalog_compare_func(const CatalogItem *a, const CatalogItem *b) { |
d4205751 | 60 | unsigned k; |
a0edd02e | 61 | int r; |
d4205751 | 62 | |
93bab288 YW |
63 | for (k = 0; k < ELEMENTSOF(b->id.bytes); k++) { |
64 | r = CMP(a->id.bytes[k], b->id.bytes[k]); | |
a0edd02e FB |
65 | if (r != 0) |
66 | return r; | |
d4205751 LP |
67 | } |
68 | ||
93bab288 | 69 | return strcmp(a->language, b->language); |
d4205751 LP |
70 | } |
71 | ||
7a08d314 | 72 | DEFINE_HASH_OPS(catalog_hash_ops, CatalogItem, catalog_hash_func, catalog_compare_func); |
d5099efc | 73 | |
dbae138d SW |
74 | static bool next_header(const char **s) { |
75 | const char *e; | |
76 | ||
77 | e = strchr(*s, '\n'); | |
78 | ||
79 | /* Unexpected end */ | |
80 | if (!e) | |
81 | return false; | |
82 | ||
83 | /* End of headers */ | |
84 | if (e == *s) | |
85 | return false; | |
86 | ||
87 | *s = e + 1; | |
88 | return true; | |
89 | } | |
90 | ||
91 | static const char *skip_header(const char *s) { | |
92 | while (next_header(&s)) | |
93 | ; | |
94 | return s; | |
95 | } | |
96 | ||
97 | static char *combine_entries(const char *one, const char *two) { | |
98 | const char *b1, *b2; | |
99 | size_t l1, l2, n; | |
100 | char *dest, *p; | |
101 | ||
102 | /* Find split point of headers to body */ | |
103 | b1 = skip_header(one); | |
104 | b2 = skip_header(two); | |
105 | ||
106 | l1 = strlen(one); | |
107 | l2 = strlen(two); | |
108 | dest = new(char, l1 + l2 + 1); | |
109 | if (!dest) { | |
110 | log_oom(); | |
111 | return NULL; | |
112 | } | |
113 | ||
114 | p = dest; | |
115 | ||
116 | /* Headers from @one */ | |
117 | n = b1 - one; | |
118 | p = mempcpy(p, one, n); | |
119 | ||
120 | /* Headers from @two, these will only be found if not present above */ | |
121 | n = b2 - two; | |
122 | p = mempcpy(p, two, n); | |
123 | ||
124 | /* Body from @one */ | |
125 | n = l1 - (b1 - one); | |
126 | if (n > 0) { | |
127 | memcpy(p, b1, n); | |
128 | p += n; | |
129 | ||
130 | /* Body from @two */ | |
131 | } else { | |
132 | n = l2 - (b2 - two); | |
133 | memcpy(p, b2, n); | |
134 | p += n; | |
135 | } | |
136 | ||
137 | assert(p - dest <= (ptrdiff_t)(l1 + l2)); | |
138 | p[0] = '\0'; | |
139 | return dest; | |
140 | } | |
141 | ||
d4205751 LP |
142 | static int finish_item( |
143 | Hashmap *h, | |
d4205751 LP |
144 | sd_id128_t id, |
145 | const char *language, | |
06466a7f | 146 | char *payload, size_t payload_size) { |
d4205751 | 147 | |
e3b9d9c8 | 148 | _cleanup_free_ CatalogItem *i = NULL; |
06466a7f | 149 | _cleanup_free_ char *prev = NULL, *combined = NULL; |
d4205751 LP |
150 | |
151 | assert(h); | |
d4205751 | 152 | assert(payload); |
06466a7f | 153 | assert(payload_size > 0); |
d4205751 | 154 | |
d4205751 LP |
155 | i = new0(CatalogItem, 1); |
156 | if (!i) | |
157 | return log_oom(); | |
158 | ||
159 | i->id = id; | |
c7332b08 ZJS |
160 | if (language) { |
161 | assert(strlen(language) > 1 && strlen(language) < 32); | |
162 | strcpy(i->language, language); | |
163 | } | |
d4205751 | 164 | |
dbae138d | 165 | prev = hashmap_get(h, i); |
dbae138d | 166 | if (prev) { |
06466a7f | 167 | /* Already have such an item, combine them */ |
dbae138d SW |
168 | combined = combine_entries(payload, prev); |
169 | if (!combined) | |
170 | return log_oom(); | |
dbae138d | 171 | |
06466a7f ZJS |
172 | if (hashmap_update(h, i, combined) < 0) |
173 | return log_oom(); | |
174 | combined = NULL; | |
dbae138d | 175 | } else { |
06466a7f ZJS |
176 | /* A new item */ |
177 | combined = memdup(payload, payload_size + 1); | |
178 | if (!combined) | |
179 | return log_oom(); | |
180 | ||
181 | if (hashmap_put(h, i, combined) < 0) | |
182 | return log_oom(); | |
dbae138d | 183 | i = NULL; |
06466a7f | 184 | combined = NULL; |
dbae138d | 185 | } |
d4205751 LP |
186 | |
187 | return 0; | |
188 | } | |
189 | ||
c7332b08 ZJS |
190 | int catalog_file_lang(const char* filename, char **lang) { |
191 | char *beg, *end, *_lang; | |
192 | ||
193 | end = endswith(filename, ".catalog"); | |
194 | if (!end) | |
195 | return 0; | |
196 | ||
197 | beg = end - 1; | |
4c701096 | 198 | while (beg > filename && !IN_SET(*beg, '.', '/') && end - beg < 32) |
313cefa1 | 199 | beg--; |
c7332b08 | 200 | |
4b8268f8 | 201 | if (*beg != '.' || end <= beg + 1) |
c7332b08 ZJS |
202 | return 0; |
203 | ||
204 | _lang = strndup(beg + 1, end - beg - 1); | |
205 | if (!_lang) | |
206 | return -ENOMEM; | |
207 | ||
208 | *lang = _lang; | |
209 | return 1; | |
210 | } | |
211 | ||
bbe80432 LP |
212 | static int catalog_entry_lang( |
213 | const char* filename, | |
214 | unsigned line, | |
215 | const char* t, | |
216 | const char* deflang, | |
217 | char **ret) { | |
218 | ||
baf167ee | 219 | size_t c; |
bbe80432 | 220 | char *z; |
baf167ee ZJS |
221 | |
222 | c = strlen(t); | |
c90c39ff | 223 | if (c < 2) |
baaa35ad | 224 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
0640d48a | 225 | "[%s:%u] Language too short.", filename, line); |
baaa35ad ZJS |
226 | if (c > 31) |
227 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
0640d48a | 228 | "[%s:%u] language too long.", filename, line); |
baf167ee ZJS |
229 | |
230 | if (deflang) { | |
231 | if (streq(t, deflang)) { | |
0640d48a | 232 | log_warning("[%s:%u] language specified unnecessarily", filename, line); |
baf167ee | 233 | return 0; |
0640d48a LP |
234 | } |
235 | ||
236 | log_warning("[%s:%u] language differs from default for file", filename, line); | |
baf167ee ZJS |
237 | } |
238 | ||
bbe80432 LP |
239 | z = strdup(t); |
240 | if (!z) | |
241 | return -ENOMEM; | |
baf167ee | 242 | |
bbe80432 | 243 | *ret = z; |
baf167ee ZJS |
244 | return 0; |
245 | } | |
246 | ||
dbae138d | 247 | int catalog_import_file(Hashmap *h, const char *path) { |
d4205751 LP |
248 | _cleanup_fclose_ FILE *f = NULL; |
249 | _cleanup_free_ char *payload = NULL; | |
06466a7f | 250 | size_t payload_size = 0, payload_allocated = 0; |
d4205751 LP |
251 | unsigned n = 0; |
252 | sd_id128_t id; | |
c7332b08 | 253 | _cleanup_free_ char *deflang = NULL, *lang = NULL; |
d4205751 LP |
254 | bool got_id = false, empty_line = true; |
255 | int r; | |
256 | ||
257 | assert(h); | |
d4205751 LP |
258 | assert(path); |
259 | ||
260 | f = fopen(path, "re"); | |
4a62c710 MS |
261 | if (!f) |
262 | return log_error_errno(errno, "Failed to open file %s: %m", path); | |
d4205751 | 263 | |
c7332b08 ZJS |
264 | r = catalog_file_lang(path, &deflang); |
265 | if (r < 0) | |
709f6e46 | 266 | log_error_errno(r, "Failed to determine language for file %s: %m", path); |
c7332b08 ZJS |
267 | if (r == 1) |
268 | log_debug("File %s has language %s.", path, deflang); | |
269 | ||
d4205751 | 270 | for (;;) { |
df2b06d1 | 271 | _cleanup_free_ char *line = NULL; |
06466a7f | 272 | size_t line_len; |
d4205751 | 273 | |
df2b06d1 LP |
274 | r = read_line(f, LONG_LINE_MAX, &line); |
275 | if (r < 0) | |
276 | return log_error_errno(r, "Failed to read file %s: %m", path); | |
277 | if (r == 0) | |
278 | break; | |
d4205751 LP |
279 | |
280 | n++; | |
281 | ||
df2b06d1 | 282 | if (isempty(line)) { |
d4205751 LP |
283 | empty_line = true; |
284 | continue; | |
285 | } | |
286 | ||
df2b06d1 | 287 | if (strchr(COMMENTS, line[0])) |
d4205751 LP |
288 | continue; |
289 | ||
290 | if (empty_line && | |
291 | strlen(line) >= 2+1+32 && | |
292 | line[0] == '-' && | |
293 | line[1] == '-' && | |
294 | line[2] == ' ' && | |
4c701096 | 295 | IN_SET(line[2+1+32], ' ', '\0')) { |
d4205751 LP |
296 | |
297 | bool with_language; | |
298 | sd_id128_t jd; | |
299 | ||
300 | /* New entry */ | |
301 | ||
18cd5fe9 ZJS |
302 | with_language = line[2+1+32] != '\0'; |
303 | line[2+1+32] = '\0'; | |
d4205751 LP |
304 | |
305 | if (sd_id128_from_string(line + 2 + 1, &jd) >= 0) { | |
306 | ||
307 | if (got_id) { | |
baaa35ad ZJS |
308 | if (payload_size == 0) |
309 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
310 | "[%s:%u] No payload text.", | |
311 | path, | |
312 | n); | |
06466a7f ZJS |
313 | |
314 | r = finish_item(h, id, lang ?: deflang, payload, payload_size); | |
d4205751 LP |
315 | if (r < 0) |
316 | return r; | |
c7332b08 | 317 | |
97b11eed | 318 | lang = mfree(lang); |
06466a7f | 319 | payload_size = 0; |
d4205751 LP |
320 | } |
321 | ||
322 | if (with_language) { | |
06466a7f | 323 | char *t; |
d4205751 | 324 | |
06466a7f | 325 | t = strstrip(line + 2 + 1 + 32 + 1); |
baf167ee ZJS |
326 | r = catalog_entry_lang(path, n, t, deflang, &lang); |
327 | if (r < 0) | |
328 | return r; | |
c7332b08 | 329 | } |
d4205751 LP |
330 | |
331 | got_id = true; | |
332 | empty_line = false; | |
333 | id = jd; | |
334 | ||
d4205751 LP |
335 | continue; |
336 | } | |
337 | } | |
338 | ||
339 | /* Payload */ | |
baaa35ad ZJS |
340 | if (!got_id) |
341 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
342 | "[%s:%u] Got payload before ID.", | |
343 | path, n); | |
d4205751 | 344 | |
06466a7f ZJS |
345 | line_len = strlen(line); |
346 | if (!GREEDY_REALLOC(payload, payload_allocated, | |
347 | payload_size + (empty_line ? 1 : 0) + line_len + 1 + 1)) | |
d4205751 LP |
348 | return log_oom(); |
349 | ||
06466a7f ZJS |
350 | if (empty_line) |
351 | payload[payload_size++] = '\n'; | |
352 | memcpy(payload + payload_size, line, line_len); | |
353 | payload_size += line_len; | |
354 | payload[payload_size++] = '\n'; | |
355 | payload[payload_size] = '\0'; | |
d4205751 | 356 | |
d4205751 LP |
357 | empty_line = false; |
358 | } | |
359 | ||
360 | if (got_id) { | |
baaa35ad ZJS |
361 | if (payload_size == 0) |
362 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
363 | "[%s:%u] No payload text.", | |
364 | path, n); | |
06466a7f ZJS |
365 | |
366 | r = finish_item(h, id, lang ?: deflang, payload, payload_size); | |
d4205751 LP |
367 | if (r < 0) |
368 | return r; | |
369 | } | |
370 | ||
371 | return 0; | |
372 | } | |
373 | ||
77ba8233 MS |
374 | static int64_t write_catalog(const char *database, struct strbuf *sb, |
375 | CatalogItem *items, size_t n) { | |
844ec79b ZJS |
376 | CatalogHeader header; |
377 | _cleanup_fclose_ FILE *w = NULL; | |
378 | int r; | |
7fd1b19b | 379 | _cleanup_free_ char *d, *p = NULL; |
844ec79b ZJS |
380 | size_t k; |
381 | ||
382 | d = dirname_malloc(database); | |
383 | if (!d) | |
384 | return log_oom(); | |
385 | ||
386 | r = mkdir_p(d, 0775); | |
eb56eb9b MS |
387 | if (r < 0) |
388 | return log_error_errno(r, "Recursive mkdir %s: %m", d); | |
844ec79b ZJS |
389 | |
390 | r = fopen_temporary(database, &w, &p); | |
eb56eb9b MS |
391 | if (r < 0) |
392 | return log_error_errno(r, "Failed to open database for writing: %s: %m", | |
393 | database); | |
844ec79b ZJS |
394 | |
395 | zero(header); | |
396 | memcpy(header.signature, CATALOG_SIGNATURE, sizeof(header.signature)); | |
397 | header.header_size = htole64(ALIGN_TO(sizeof(CatalogHeader), 8)); | |
398 | header.catalog_item_size = htole64(sizeof(CatalogItem)); | |
8d2ecdb2 | 399 | header.n_items = htole64(n); |
80343dc1 | 400 | |
844ec79b ZJS |
401 | r = -EIO; |
402 | ||
403 | k = fwrite(&header, 1, sizeof(header), w); | |
404 | if (k != sizeof(header)) { | |
405 | log_error("%s: failed to write header.", p); | |
406 | goto error; | |
407 | } | |
408 | ||
409 | k = fwrite(items, 1, n * sizeof(CatalogItem), w); | |
410 | if (k != n * sizeof(CatalogItem)) { | |
411 | log_error("%s: failed to write database.", p); | |
412 | goto error; | |
413 | } | |
414 | ||
415 | k = fwrite(sb->buf, 1, sb->len, w); | |
416 | if (k != sb->len) { | |
417 | log_error("%s: failed to write strings.", p); | |
418 | goto error; | |
419 | } | |
420 | ||
dacd6cee LP |
421 | r = fflush_and_check(w); |
422 | if (r < 0) { | |
423 | log_error_errno(r, "%s: failed to write database: %m", p); | |
844ec79b ZJS |
424 | goto error; |
425 | } | |
426 | ||
427 | fchmod(fileno(w), 0644); | |
428 | ||
429 | if (rename(p, database) < 0) { | |
dacd6cee | 430 | r = log_error_errno(errno, "rename (%s -> %s) failed: %m", p, database); |
844ec79b ZJS |
431 | goto error; |
432 | } | |
433 | ||
77ba8233 | 434 | return ftello(w); |
844ec79b ZJS |
435 | |
436 | error: | |
dacd6cee | 437 | (void) unlink(p); |
844ec79b ZJS |
438 | return r; |
439 | } | |
440 | ||
441 | int catalog_update(const char* database, const char* root, const char* const* dirs) { | |
d4205751 | 442 | _cleanup_strv_free_ char **files = NULL; |
d4205751 | 443 | char **f; |
f201daec | 444 | _cleanup_(strbuf_cleanupp) struct strbuf *sb = NULL; |
dbae138d | 445 | _cleanup_hashmap_free_free_free_ Hashmap *h = NULL; |
d4205751 | 446 | _cleanup_free_ CatalogItem *items = NULL; |
dbae138d SW |
447 | ssize_t offset; |
448 | char *payload; | |
d4205751 | 449 | CatalogItem *i; |
d4205751 LP |
450 | Iterator j; |
451 | unsigned n; | |
77ba8233 MS |
452 | int r; |
453 | int64_t sz; | |
d4205751 | 454 | |
d5099efc | 455 | h = hashmap_new(&catalog_hash_ops); |
d4205751 | 456 | sb = strbuf_new(); |
f201daec ZJS |
457 | if (!h || !sb) |
458 | return log_oom(); | |
d4205751 | 459 | |
b5084605 | 460 | r = conf_files_list_strv(&files, ".catalog", root, 0, dirs); |
f201daec ZJS |
461 | if (r < 0) |
462 | return log_error_errno(r, "Failed to get catalog files: %m"); | |
d4205751 LP |
463 | |
464 | STRV_FOREACH(f, files) { | |
e3b9d9c8 | 465 | log_debug("Reading file '%s'", *f); |
dbae138d | 466 | r = catalog_import_file(h, *f); |
f201daec ZJS |
467 | if (r < 0) |
468 | return log_error_errno(r, "Failed to import file '%s': %m", *f); | |
d4205751 LP |
469 | } |
470 | ||
471 | if (hashmap_size(h) <= 0) { | |
472 | log_info("No items in catalog."); | |
f201daec | 473 | return 0; |
80343dc1 ZJS |
474 | } else |
475 | log_debug("Found %u items in catalog.", hashmap_size(h)); | |
d4205751 | 476 | |
d4205751 | 477 | items = new(CatalogItem, hashmap_size(h)); |
f201daec ZJS |
478 | if (!items) |
479 | return log_oom(); | |
d4205751 LP |
480 | |
481 | n = 0; | |
dbae138d | 482 | HASHMAP_FOREACH_KEY(payload, i, h, j) { |
18cd5fe9 ZJS |
483 | log_debug("Found " SD_ID128_FORMAT_STR ", language %s", |
484 | SD_ID128_FORMAT_VAL(i->id), | |
485 | isempty(i->language) ? "C" : i->language); | |
dbae138d SW |
486 | |
487 | offset = strbuf_add_string(sb, payload, strlen(payload)); | |
f201daec ZJS |
488 | if (offset < 0) |
489 | return log_oom(); | |
490 | ||
dbae138d | 491 | i->offset = htole64((uint64_t) offset); |
d4205751 LP |
492 | items[n++] = *i; |
493 | } | |
494 | ||
495 | assert(n == hashmap_size(h)); | |
93bab288 | 496 | typesafe_qsort(items, n, catalog_compare_func); |
d4205751 | 497 | |
dbae138d SW |
498 | strbuf_complete(sb); |
499 | ||
77ba8233 MS |
500 | sz = write_catalog(database, sb, items, n); |
501 | if (sz < 0) | |
f201daec | 502 | return log_error_errno(sz, "Failed to write %s: %m", database); |
d4205751 | 503 | |
f201daec ZJS |
504 | log_debug("%s: wrote %u items, with %zu bytes of strings, %"PRIi64" total size.", |
505 | database, n, sb->len, sz); | |
506 | return 0; | |
d4205751 LP |
507 | } |
508 | ||
844ec79b | 509 | static int open_mmap(const char *database, int *_fd, struct stat *_st, void **_p) { |
d4205751 LP |
510 | const CatalogHeader *h; |
511 | int fd; | |
512 | void *p; | |
513 | struct stat st; | |
514 | ||
515 | assert(_fd); | |
516 | assert(_st); | |
517 | assert(_p); | |
518 | ||
844ec79b | 519 | fd = open(database, O_RDONLY|O_CLOEXEC); |
d4205751 LP |
520 | if (fd < 0) |
521 | return -errno; | |
522 | ||
523 | if (fstat(fd, &st) < 0) { | |
03e334a1 | 524 | safe_close(fd); |
d4205751 LP |
525 | return -errno; |
526 | } | |
527 | ||
528 | if (st.st_size < (off_t) sizeof(CatalogHeader)) { | |
03e334a1 | 529 | safe_close(fd); |
d4205751 LP |
530 | return -EINVAL; |
531 | } | |
532 | ||
533 | p = mmap(NULL, PAGE_ALIGN(st.st_size), PROT_READ, MAP_SHARED, fd, 0); | |
534 | if (p == MAP_FAILED) { | |
03e334a1 | 535 | safe_close(fd); |
d4205751 LP |
536 | return -errno; |
537 | } | |
538 | ||
539 | h = p; | |
540 | if (memcmp(h->signature, CATALOG_SIGNATURE, sizeof(h->signature)) != 0 || | |
83f6936a LP |
541 | le64toh(h->header_size) < sizeof(CatalogHeader) || |
542 | le64toh(h->catalog_item_size) < sizeof(CatalogItem) || | |
d4205751 | 543 | h->incompatible_flags != 0 || |
83f6936a LP |
544 | le64toh(h->n_items) <= 0 || |
545 | st.st_size < (off_t) (le64toh(h->header_size) + le64toh(h->catalog_item_size) * le64toh(h->n_items))) { | |
03e334a1 | 546 | safe_close(fd); |
d4205751 LP |
547 | munmap(p, st.st_size); |
548 | return -EBADMSG; | |
549 | } | |
550 | ||
551 | *_fd = fd; | |
552 | *_st = st; | |
553 | *_p = p; | |
554 | ||
555 | return 0; | |
556 | } | |
557 | ||
558 | static const char *find_id(void *p, sd_id128_t id) { | |
2e38df53 | 559 | CatalogItem *f = NULL, key = { .id = id }; |
d4205751 LP |
560 | const CatalogHeader *h = p; |
561 | const char *loc; | |
562 | ||
d4205751 | 563 | loc = setlocale(LC_MESSAGES, NULL); |
00e1adf8 ZJS |
564 | if (!isempty(loc) && !STR_IN_SET(loc, "C", "POSIX")) { |
565 | size_t len; | |
566 | ||
567 | len = strcspn(loc, ".@"); | |
568 | if (len > sizeof(key.language) - 1) | |
569 | log_debug("LC_MESSAGES value too long, ignoring: \"%.*s\"", (int) len, loc); | |
570 | else { | |
571 | strncpy(key.language, loc, len); | |
572 | key.language[len] = '\0'; | |
573 | ||
574 | f = bsearch(&key, | |
575 | (const uint8_t*) p + le64toh(h->header_size), | |
576 | le64toh(h->n_items), | |
577 | le64toh(h->catalog_item_size), | |
578 | (comparison_fn_t) catalog_compare_func); | |
579 | if (!f) { | |
580 | char *e; | |
581 | ||
582 | e = strchr(key.language, '_'); | |
583 | if (e) { | |
584 | *e = 0; | |
585 | f = bsearch(&key, | |
586 | (const uint8_t*) p + le64toh(h->header_size), | |
587 | le64toh(h->n_items), | |
588 | le64toh(h->catalog_item_size), | |
589 | (comparison_fn_t) catalog_compare_func); | |
590 | } | |
d4205751 LP |
591 | } |
592 | } | |
593 | } | |
594 | ||
595 | if (!f) { | |
596 | zero(key.language); | |
00e1adf8 ZJS |
597 | f = bsearch(&key, |
598 | (const uint8_t*) p + le64toh(h->header_size), | |
599 | le64toh(h->n_items), | |
600 | le64toh(h->catalog_item_size), | |
601 | (comparison_fn_t) catalog_compare_func); | |
d4205751 LP |
602 | } |
603 | ||
604 | if (!f) | |
605 | return NULL; | |
606 | ||
607 | return (const char*) p + | |
83f6936a LP |
608 | le64toh(h->header_size) + |
609 | le64toh(h->n_items) * le64toh(h->catalog_item_size) + | |
610 | le64toh(f->offset); | |
d4205751 LP |
611 | } |
612 | ||
844ec79b | 613 | int catalog_get(const char* database, sd_id128_t id, char **_text) { |
d4205751 LP |
614 | _cleanup_close_ int fd = -1; |
615 | void *p = NULL; | |
a7f7d1bd | 616 | struct stat st = {}; |
d4205751 LP |
617 | char *text = NULL; |
618 | int r; | |
619 | const char *s; | |
620 | ||
621 | assert(_text); | |
622 | ||
844ec79b | 623 | r = open_mmap(database, &fd, &st, &p); |
d4205751 LP |
624 | if (r < 0) |
625 | return r; | |
626 | ||
627 | s = find_id(p, id); | |
628 | if (!s) { | |
629 | r = -ENOENT; | |
630 | goto finish; | |
631 | } | |
632 | ||
633 | text = strdup(s); | |
634 | if (!text) { | |
635 | r = -ENOMEM; | |
636 | goto finish; | |
637 | } | |
638 | ||
639 | *_text = text; | |
640 | r = 0; | |
641 | ||
642 | finish: | |
643 | if (p) | |
644 | munmap(p, st.st_size); | |
645 | ||
646 | return r; | |
647 | } | |
648 | ||
649 | static char *find_header(const char *s, const char *header) { | |
650 | ||
651 | for (;;) { | |
dbae138d | 652 | const char *v; |
d4205751 LP |
653 | |
654 | v = startswith(s, header); | |
655 | if (v) { | |
656 | v += strspn(v, WHITESPACE); | |
657 | return strndup(v, strcspn(v, NEWLINE)); | |
658 | } | |
659 | ||
dbae138d | 660 | if (!next_header(&s)) |
d4205751 | 661 | return NULL; |
d4205751 LP |
662 | } |
663 | } | |
664 | ||
54b7254c ZJS |
665 | static void dump_catalog_entry(FILE *f, sd_id128_t id, const char *s, bool oneline) { |
666 | if (oneline) { | |
667 | _cleanup_free_ char *subject = NULL, *defined_by = NULL; | |
668 | ||
669 | subject = find_header(s, "Subject:"); | |
670 | defined_by = find_header(s, "Defined-By:"); | |
671 | ||
672 | fprintf(f, SD_ID128_FORMAT_STR " %s: %s\n", | |
673 | SD_ID128_FORMAT_VAL(id), | |
674 | strna(defined_by), strna(subject)); | |
675 | } else | |
676 | fprintf(f, "-- " SD_ID128_FORMAT_STR "\n%s\n", | |
677 | SD_ID128_FORMAT_VAL(id), s); | |
678 | } | |
679 | ||
844ec79b | 680 | int catalog_list(FILE *f, const char *database, bool oneline) { |
d4205751 LP |
681 | _cleanup_close_ int fd = -1; |
682 | void *p = NULL; | |
683 | struct stat st; | |
684 | const CatalogHeader *h; | |
685 | const CatalogItem *items; | |
686 | int r; | |
687 | unsigned n; | |
688 | sd_id128_t last_id; | |
689 | bool last_id_set = false; | |
690 | ||
844ec79b | 691 | r = open_mmap(database, &fd, &st, &p); |
d4205751 LP |
692 | if (r < 0) |
693 | return r; | |
694 | ||
695 | h = p; | |
83f6936a | 696 | items = (const CatalogItem*) ((const uint8_t*) p + le64toh(h->header_size)); |
d4205751 | 697 | |
83f6936a | 698 | for (n = 0; n < le64toh(h->n_items); n++) { |
d4205751 | 699 | const char *s; |
d4205751 LP |
700 | |
701 | if (last_id_set && sd_id128_equal(last_id, items[n].id)) | |
702 | continue; | |
703 | ||
704 | assert_se(s = find_id(p, items[n].id)); | |
705 | ||
54b7254c | 706 | dump_catalog_entry(f, items[n].id, s, oneline); |
d4205751 LP |
707 | |
708 | last_id_set = true; | |
709 | last_id = items[n].id; | |
710 | } | |
711 | ||
712 | munmap(p, st.st_size); | |
713 | ||
714 | return 0; | |
715 | } | |
54b7254c | 716 | |
844ec79b | 717 | int catalog_list_items(FILE *f, const char *database, bool oneline, char **items) { |
54b7254c ZJS |
718 | char **item; |
719 | int r = 0; | |
720 | ||
721 | STRV_FOREACH(item, items) { | |
722 | sd_id128_t id; | |
723 | int k; | |
7fd1b19b | 724 | _cleanup_free_ char *msg = NULL; |
54b7254c ZJS |
725 | |
726 | k = sd_id128_from_string(*item, &id); | |
727 | if (k < 0) { | |
e53fc357 | 728 | log_error_errno(k, "Failed to parse id128 '%s': %m", *item); |
464264ac | 729 | if (r == 0) |
54b7254c ZJS |
730 | r = k; |
731 | continue; | |
732 | } | |
733 | ||
844ec79b | 734 | k = catalog_get(database, id, &msg); |
54b7254c | 735 | if (k < 0) { |
e53fc357 LP |
736 | log_full_errno(k == -ENOENT ? LOG_NOTICE : LOG_ERR, k, |
737 | "Failed to retrieve catalog entry for '%s': %m", *item); | |
464264ac | 738 | if (r == 0) |
54b7254c ZJS |
739 | r = k; |
740 | continue; | |
741 | } | |
742 | ||
743 | dump_catalog_entry(f, id, msg, oneline); | |
744 | } | |
745 | ||
746 | return r; | |
747 | } |