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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 | ||
22 | #include <fcntl.h> | |
23 | #include <stdio.h> | |
24 | #include <unistd.h> | |
25 | #include <errno.h> | |
26 | #include <string.h> | |
27 | #include <sys/mman.h> | |
28 | #include <locale.h> | |
844ec79b | 29 | #include <libgen.h> |
d4205751 LP |
30 | |
31 | #include "util.h" | |
32 | #include "log.h" | |
33 | #include "sparse-endian.h" | |
34 | #include "sd-id128.h" | |
35 | #include "hashmap.h" | |
36 | #include "strv.h" | |
37 | #include "strbuf.h" | |
18cd5fe9 | 38 | #include "strxcpyx.h" |
d4205751 LP |
39 | #include "conf-files.h" |
40 | #include "mkdir.h" | |
41 | #include "catalog.h" | |
9bf3b535 | 42 | #include "siphash24.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 | ||
d5099efc | 67 | static unsigned long catalog_hash_func(const void *p, const uint8_t hash_key[HASH_KEY_SIZE]) { |
d4205751 | 68 | const CatalogItem *i = p; |
9bf3b535 LP |
69 | uint64_t u; |
70 | size_t l, sz; | |
71 | void *v; | |
d4205751 | 72 | |
9bf3b535 LP |
73 | l = strlen(i->language); |
74 | sz = sizeof(i->id) + l; | |
75 | v = alloca(sz); | |
76 | ||
77 | memcpy(mempcpy(v, &i->id, sizeof(i->id)), i->language, l); | |
78 | ||
79 | siphash24((uint8_t*) &u, v, sz, hash_key); | |
80 | ||
81 | return (unsigned long) u; | |
d4205751 LP |
82 | } |
83 | ||
d5099efc | 84 | static int catalog_compare_func(const void *a, const void *b) { |
d4205751 LP |
85 | const CatalogItem *i = a, *j = b; |
86 | unsigned k; | |
87 | ||
88 | for (k = 0; k < ELEMENTSOF(j->id.bytes); k++) { | |
89 | if (i->id.bytes[k] < j->id.bytes[k]) | |
90 | return -1; | |
91 | if (i->id.bytes[k] > j->id.bytes[k]) | |
92 | return 1; | |
93 | } | |
94 | ||
18cd5fe9 | 95 | return strcmp(i->language, j->language); |
d4205751 LP |
96 | } |
97 | ||
d5099efc MS |
98 | const struct hash_ops catalog_hash_ops = { |
99 | .hash = catalog_hash_func, | |
100 | .compare = catalog_compare_func | |
101 | }; | |
102 | ||
d4205751 LP |
103 | static int finish_item( |
104 | Hashmap *h, | |
105 | struct strbuf *sb, | |
106 | sd_id128_t id, | |
107 | const char *language, | |
108 | const char *payload) { | |
109 | ||
110 | ssize_t offset; | |
e3b9d9c8 | 111 | _cleanup_free_ CatalogItem *i = NULL; |
d4205751 LP |
112 | int r; |
113 | ||
114 | assert(h); | |
115 | assert(sb); | |
116 | assert(payload); | |
117 | ||
118 | offset = strbuf_add_string(sb, payload, strlen(payload)); | |
119 | if (offset < 0) | |
120 | return log_oom(); | |
121 | ||
d4205751 LP |
122 | i = new0(CatalogItem, 1); |
123 | if (!i) | |
124 | return log_oom(); | |
125 | ||
126 | i->id = id; | |
c7332b08 ZJS |
127 | if (language) { |
128 | assert(strlen(language) > 1 && strlen(language) < 32); | |
129 | strcpy(i->language, language); | |
130 | } | |
83f6936a | 131 | i->offset = htole64((uint64_t) offset); |
d4205751 LP |
132 | |
133 | r = hashmap_put(h, i, i); | |
e3b9d9c8 | 134 | if (r == -EEXIST) { |
18cd5fe9 ZJS |
135 | log_warning("Duplicate entry for " SD_ID128_FORMAT_STR ".%s, ignoring.", |
136 | SD_ID128_FORMAT_VAL(id), language ? language : "C"); | |
d4205751 | 137 | return 0; |
e3b9d9c8 ZJS |
138 | } else if (r < 0) |
139 | return r; | |
d4205751 | 140 | |
e3b9d9c8 | 141 | i = NULL; |
d4205751 LP |
142 | return 0; |
143 | } | |
144 | ||
c7332b08 ZJS |
145 | int catalog_file_lang(const char* filename, char **lang) { |
146 | char *beg, *end, *_lang; | |
147 | ||
148 | end = endswith(filename, ".catalog"); | |
149 | if (!end) | |
150 | return 0; | |
151 | ||
152 | beg = end - 1; | |
4b8268f8 | 153 | while (beg > filename && *beg != '.' && *beg != '/' && end - beg < 32) |
c7332b08 ZJS |
154 | beg --; |
155 | ||
4b8268f8 | 156 | if (*beg != '.' || end <= beg + 1) |
c7332b08 ZJS |
157 | return 0; |
158 | ||
159 | _lang = strndup(beg + 1, end - beg - 1); | |
160 | if (!_lang) | |
161 | return -ENOMEM; | |
162 | ||
163 | *lang = _lang; | |
164 | return 1; | |
165 | } | |
166 | ||
baf167ee ZJS |
167 | static int catalog_entry_lang(const char* filename, int line, |
168 | const char* t, const char* deflang, char **lang) { | |
169 | size_t c; | |
170 | ||
171 | c = strlen(t); | |
172 | if (c == 0) { | |
173 | log_error("[%s:%u] Language too short.", filename, line); | |
174 | return -EINVAL; | |
175 | } | |
176 | if (c > 31) { | |
177 | log_error("[%s:%u] language too long.", filename, line); | |
178 | return -EINVAL; | |
179 | } | |
180 | ||
181 | if (deflang) { | |
182 | if (streq(t, deflang)) { | |
183 | log_warning("[%s:%u] language specified unnecessarily", | |
184 | filename, line); | |
185 | return 0; | |
186 | } else | |
187 | log_warning("[%s:%u] language differs from default for file", | |
188 | filename, line); | |
189 | } | |
190 | ||
191 | *lang = strdup(t); | |
192 | if (!*lang) | |
193 | return -ENOMEM; | |
194 | ||
195 | return 0; | |
196 | } | |
197 | ||
844ec79b | 198 | int catalog_import_file(Hashmap *h, struct strbuf *sb, const char *path) { |
d4205751 LP |
199 | _cleanup_fclose_ FILE *f = NULL; |
200 | _cleanup_free_ char *payload = NULL; | |
201 | unsigned n = 0; | |
202 | sd_id128_t id; | |
c7332b08 | 203 | _cleanup_free_ char *deflang = NULL, *lang = NULL; |
d4205751 LP |
204 | bool got_id = false, empty_line = true; |
205 | int r; | |
206 | ||
207 | assert(h); | |
208 | assert(sb); | |
209 | assert(path); | |
210 | ||
211 | f = fopen(path, "re"); | |
212 | if (!f) { | |
56f64d95 | 213 | log_error_errno(errno, "Failed to open file %s: %m", path); |
d4205751 LP |
214 | return -errno; |
215 | } | |
216 | ||
c7332b08 ZJS |
217 | r = catalog_file_lang(path, &deflang); |
218 | if (r < 0) | |
56f64d95 | 219 | log_error_errno(errno, "Failed to determine language for file %s: %m", path); |
c7332b08 ZJS |
220 | if (r == 1) |
221 | log_debug("File %s has language %s.", path, deflang); | |
222 | ||
d4205751 LP |
223 | for (;;) { |
224 | char line[LINE_MAX]; | |
225 | size_t a, b, c; | |
226 | char *t; | |
227 | ||
228 | if (!fgets(line, sizeof(line), f)) { | |
229 | if (feof(f)) | |
230 | break; | |
231 | ||
56f64d95 | 232 | log_error_errno(errno, "Failed to read file %s: %m", path); |
d4205751 LP |
233 | return -errno; |
234 | } | |
235 | ||
236 | n++; | |
237 | ||
238 | truncate_nl(line); | |
239 | ||
240 | if (line[0] == 0) { | |
241 | empty_line = true; | |
242 | continue; | |
243 | } | |
244 | ||
d3b6d0c2 | 245 | if (strchr(COMMENTS "\n", line[0])) |
d4205751 LP |
246 | continue; |
247 | ||
248 | if (empty_line && | |
249 | strlen(line) >= 2+1+32 && | |
250 | line[0] == '-' && | |
251 | line[1] == '-' && | |
252 | line[2] == ' ' && | |
18cd5fe9 | 253 | (line[2+1+32] == ' ' || line[2+1+32] == '\0')) { |
d4205751 LP |
254 | |
255 | bool with_language; | |
256 | sd_id128_t jd; | |
257 | ||
258 | /* New entry */ | |
259 | ||
18cd5fe9 ZJS |
260 | with_language = line[2+1+32] != '\0'; |
261 | line[2+1+32] = '\0'; | |
d4205751 LP |
262 | |
263 | if (sd_id128_from_string(line + 2 + 1, &jd) >= 0) { | |
264 | ||
265 | if (got_id) { | |
c7332b08 | 266 | r = finish_item(h, sb, id, lang ?: deflang, payload); |
d4205751 LP |
267 | if (r < 0) |
268 | return r; | |
c7332b08 ZJS |
269 | |
270 | free(lang); | |
271 | lang = NULL; | |
d4205751 LP |
272 | } |
273 | ||
274 | if (with_language) { | |
275 | t = strstrip(line + 2 + 1 + 32 + 1); | |
276 | ||
baf167ee ZJS |
277 | r = catalog_entry_lang(path, n, t, deflang, &lang); |
278 | if (r < 0) | |
279 | return r; | |
c7332b08 | 280 | } |
d4205751 LP |
281 | |
282 | got_id = true; | |
283 | empty_line = false; | |
284 | id = jd; | |
285 | ||
286 | if (payload) | |
18cd5fe9 | 287 | payload[0] = '\0'; |
d4205751 LP |
288 | |
289 | continue; | |
290 | } | |
291 | } | |
292 | ||
293 | /* Payload */ | |
294 | if (!got_id) { | |
295 | log_error("[%s:%u] Got payload before ID.", path, n); | |
296 | return -EINVAL; | |
297 | } | |
298 | ||
299 | a = payload ? strlen(payload) : 0; | |
300 | b = strlen(line); | |
301 | ||
302 | c = a + (empty_line ? 1 : 0) + b + 1 + 1; | |
303 | t = realloc(payload, c); | |
304 | if (!t) | |
305 | return log_oom(); | |
306 | ||
307 | if (empty_line) { | |
308 | t[a] = '\n'; | |
309 | memcpy(t + a + 1, line, b); | |
310 | t[a+b+1] = '\n'; | |
311 | t[a+b+2] = 0; | |
312 | } else { | |
313 | memcpy(t + a, line, b); | |
314 | t[a+b] = '\n'; | |
315 | t[a+b+1] = 0; | |
316 | } | |
317 | ||
318 | payload = t; | |
319 | empty_line = false; | |
320 | } | |
321 | ||
322 | if (got_id) { | |
c7332b08 | 323 | r = finish_item(h, sb, id, lang ?: deflang, payload); |
d4205751 LP |
324 | if (r < 0) |
325 | return r; | |
326 | } | |
327 | ||
328 | return 0; | |
329 | } | |
330 | ||
844ec79b ZJS |
331 | static long write_catalog(const char *database, Hashmap *h, struct strbuf *sb, |
332 | CatalogItem *items, size_t n) { | |
333 | CatalogHeader header; | |
334 | _cleanup_fclose_ FILE *w = NULL; | |
335 | int r; | |
7fd1b19b | 336 | _cleanup_free_ char *d, *p = NULL; |
844ec79b ZJS |
337 | size_t k; |
338 | ||
339 | d = dirname_malloc(database); | |
340 | if (!d) | |
341 | return log_oom(); | |
342 | ||
343 | r = mkdir_p(d, 0775); | |
eb56eb9b MS |
344 | if (r < 0) |
345 | return log_error_errno(r, "Recursive mkdir %s: %m", d); | |
844ec79b ZJS |
346 | |
347 | r = fopen_temporary(database, &w, &p); | |
eb56eb9b MS |
348 | if (r < 0) |
349 | return log_error_errno(r, "Failed to open database for writing: %s: %m", | |
350 | database); | |
844ec79b ZJS |
351 | |
352 | zero(header); | |
353 | memcpy(header.signature, CATALOG_SIGNATURE, sizeof(header.signature)); | |
354 | header.header_size = htole64(ALIGN_TO(sizeof(CatalogHeader), 8)); | |
355 | header.catalog_item_size = htole64(sizeof(CatalogItem)); | |
356 | header.n_items = htole64(hashmap_size(h)); | |
80343dc1 | 357 | |
844ec79b ZJS |
358 | r = -EIO; |
359 | ||
360 | k = fwrite(&header, 1, sizeof(header), w); | |
361 | if (k != sizeof(header)) { | |
362 | log_error("%s: failed to write header.", p); | |
363 | goto error; | |
364 | } | |
365 | ||
366 | k = fwrite(items, 1, n * sizeof(CatalogItem), w); | |
367 | if (k != n * sizeof(CatalogItem)) { | |
368 | log_error("%s: failed to write database.", p); | |
369 | goto error; | |
370 | } | |
371 | ||
372 | k = fwrite(sb->buf, 1, sb->len, w); | |
373 | if (k != sb->len) { | |
374 | log_error("%s: failed to write strings.", p); | |
375 | goto error; | |
376 | } | |
377 | ||
378 | fflush(w); | |
379 | ||
380 | if (ferror(w)) { | |
381 | log_error("%s: failed to write database.", p); | |
382 | goto error; | |
383 | } | |
384 | ||
385 | fchmod(fileno(w), 0644); | |
386 | ||
387 | if (rename(p, database) < 0) { | |
56f64d95 | 388 | log_error_errno(errno, "rename (%s -> %s) failed: %m", p, database); |
844ec79b ZJS |
389 | r = -errno; |
390 | goto error; | |
391 | } | |
392 | ||
393 | return ftell(w); | |
394 | ||
395 | error: | |
396 | unlink(p); | |
397 | return r; | |
398 | } | |
399 | ||
400 | int catalog_update(const char* database, const char* root, const char* const* dirs) { | |
d4205751 | 401 | _cleanup_strv_free_ char **files = NULL; |
d4205751 | 402 | char **f; |
d4205751 | 403 | struct strbuf *sb = NULL; |
e3b9d9c8 | 404 | _cleanup_hashmap_free_free_ Hashmap *h = NULL; |
d4205751 LP |
405 | _cleanup_free_ CatalogItem *items = NULL; |
406 | CatalogItem *i; | |
d4205751 LP |
407 | Iterator j; |
408 | unsigned n; | |
844ec79b | 409 | long r; |
d4205751 | 410 | |
d5099efc | 411 | h = hashmap_new(&catalog_hash_ops); |
d4205751 | 412 | sb = strbuf_new(); |
844ec79b ZJS |
413 | |
414 | if (!h || !sb) { | |
d4205751 LP |
415 | r = log_oom(); |
416 | goto finish; | |
417 | } | |
418 | ||
844ec79b | 419 | r = conf_files_list_strv(&files, ".catalog", root, dirs); |
d4205751 | 420 | if (r < 0) { |
da927ba9 | 421 | log_error_errno(r, "Failed to get catalog files: %m"); |
d4205751 LP |
422 | goto finish; |
423 | } | |
424 | ||
425 | STRV_FOREACH(f, files) { | |
e3b9d9c8 ZJS |
426 | log_debug("Reading file '%s'", *f); |
427 | r = catalog_import_file(h, sb, *f); | |
428 | if (r < 0) { | |
429 | log_error("Failed to import file '%s': %s.", | |
430 | *f, strerror(-r)); | |
431 | goto finish; | |
432 | } | |
d4205751 LP |
433 | } |
434 | ||
435 | if (hashmap_size(h) <= 0) { | |
436 | log_info("No items in catalog."); | |
d4205751 | 437 | goto finish; |
80343dc1 ZJS |
438 | } else |
439 | log_debug("Found %u items in catalog.", hashmap_size(h)); | |
d4205751 LP |
440 | |
441 | strbuf_complete(sb); | |
442 | ||
443 | items = new(CatalogItem, hashmap_size(h)); | |
444 | if (!items) { | |
445 | r = log_oom(); | |
446 | goto finish; | |
447 | } | |
448 | ||
449 | n = 0; | |
450 | HASHMAP_FOREACH(i, h, j) { | |
18cd5fe9 ZJS |
451 | log_debug("Found " SD_ID128_FORMAT_STR ", language %s", |
452 | SD_ID128_FORMAT_VAL(i->id), | |
453 | isempty(i->language) ? "C" : i->language); | |
d4205751 LP |
454 | items[n++] = *i; |
455 | } | |
456 | ||
457 | assert(n == hashmap_size(h)); | |
7ff7394d | 458 | qsort_safe(items, n, sizeof(CatalogItem), catalog_compare_func); |
d4205751 | 459 | |
844ec79b ZJS |
460 | r = write_catalog(database, h, sb, items, n); |
461 | if (r < 0) | |
da927ba9 | 462 | log_error_errno(r, "Failed to write %s: %m", database); |
844ec79b ZJS |
463 | else |
464 | log_debug("%s: wrote %u items, with %zu bytes of strings, %ld total size.", | |
465 | database, n, sb->len, r); | |
d4205751 | 466 | |
d4205751 | 467 | finish: |
d4205751 LP |
468 | if (sb) |
469 | strbuf_cleanup(sb); | |
470 | ||
844ec79b | 471 | return r < 0 ? r : 0; |
d4205751 LP |
472 | } |
473 | ||
844ec79b | 474 | static int open_mmap(const char *database, int *_fd, struct stat *_st, void **_p) { |
d4205751 LP |
475 | const CatalogHeader *h; |
476 | int fd; | |
477 | void *p; | |
478 | struct stat st; | |
479 | ||
480 | assert(_fd); | |
481 | assert(_st); | |
482 | assert(_p); | |
483 | ||
844ec79b | 484 | fd = open(database, O_RDONLY|O_CLOEXEC); |
d4205751 LP |
485 | if (fd < 0) |
486 | return -errno; | |
487 | ||
488 | if (fstat(fd, &st) < 0) { | |
03e334a1 | 489 | safe_close(fd); |
d4205751 LP |
490 | return -errno; |
491 | } | |
492 | ||
493 | if (st.st_size < (off_t) sizeof(CatalogHeader)) { | |
03e334a1 | 494 | safe_close(fd); |
d4205751 LP |
495 | return -EINVAL; |
496 | } | |
497 | ||
498 | p = mmap(NULL, PAGE_ALIGN(st.st_size), PROT_READ, MAP_SHARED, fd, 0); | |
499 | if (p == MAP_FAILED) { | |
03e334a1 | 500 | safe_close(fd); |
d4205751 LP |
501 | return -errno; |
502 | } | |
503 | ||
504 | h = p; | |
505 | if (memcmp(h->signature, CATALOG_SIGNATURE, sizeof(h->signature)) != 0 || | |
83f6936a LP |
506 | le64toh(h->header_size) < sizeof(CatalogHeader) || |
507 | le64toh(h->catalog_item_size) < sizeof(CatalogItem) || | |
d4205751 | 508 | h->incompatible_flags != 0 || |
83f6936a LP |
509 | le64toh(h->n_items) <= 0 || |
510 | st.st_size < (off_t) (le64toh(h->header_size) + le64toh(h->catalog_item_size) * le64toh(h->n_items))) { | |
03e334a1 | 511 | safe_close(fd); |
d4205751 LP |
512 | munmap(p, st.st_size); |
513 | return -EBADMSG; | |
514 | } | |
515 | ||
516 | *_fd = fd; | |
517 | *_st = st; | |
518 | *_p = p; | |
519 | ||
520 | return 0; | |
521 | } | |
522 | ||
523 | static const char *find_id(void *p, sd_id128_t id) { | |
524 | CatalogItem key, *f = NULL; | |
525 | const CatalogHeader *h = p; | |
526 | const char *loc; | |
527 | ||
528 | zero(key); | |
529 | key.id = id; | |
530 | ||
531 | loc = setlocale(LC_MESSAGES, NULL); | |
532 | if (loc && loc[0] && !streq(loc, "C") && !streq(loc, "POSIX")) { | |
533 | strncpy(key.language, loc, sizeof(key.language)); | |
534 | key.language[strcspn(key.language, ".@")] = 0; | |
535 | ||
83f6936a | 536 | 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 |
537 | if (!f) { |
538 | char *e; | |
539 | ||
540 | e = strchr(key.language, '_'); | |
541 | if (e) { | |
542 | *e = 0; | |
83f6936a | 543 | 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 |
544 | } |
545 | } | |
546 | } | |
547 | ||
548 | if (!f) { | |
549 | zero(key.language); | |
83f6936a | 550 | 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 |
551 | } |
552 | ||
553 | if (!f) | |
554 | return NULL; | |
555 | ||
556 | return (const char*) p + | |
83f6936a LP |
557 | le64toh(h->header_size) + |
558 | le64toh(h->n_items) * le64toh(h->catalog_item_size) + | |
559 | le64toh(f->offset); | |
d4205751 LP |
560 | } |
561 | ||
844ec79b | 562 | int catalog_get(const char* database, sd_id128_t id, char **_text) { |
d4205751 LP |
563 | _cleanup_close_ int fd = -1; |
564 | void *p = NULL; | |
565 | struct stat st; | |
566 | char *text = NULL; | |
567 | int r; | |
568 | const char *s; | |
569 | ||
570 | assert(_text); | |
571 | ||
844ec79b | 572 | r = open_mmap(database, &fd, &st, &p); |
d4205751 LP |
573 | if (r < 0) |
574 | return r; | |
575 | ||
576 | s = find_id(p, id); | |
577 | if (!s) { | |
578 | r = -ENOENT; | |
579 | goto finish; | |
580 | } | |
581 | ||
582 | text = strdup(s); | |
583 | if (!text) { | |
584 | r = -ENOMEM; | |
585 | goto finish; | |
586 | } | |
587 | ||
588 | *_text = text; | |
589 | r = 0; | |
590 | ||
591 | finish: | |
592 | if (p) | |
593 | munmap(p, st.st_size); | |
594 | ||
595 | return r; | |
596 | } | |
597 | ||
598 | static char *find_header(const char *s, const char *header) { | |
599 | ||
600 | for (;;) { | |
601 | const char *v, *e; | |
602 | ||
603 | v = startswith(s, header); | |
604 | if (v) { | |
605 | v += strspn(v, WHITESPACE); | |
606 | return strndup(v, strcspn(v, NEWLINE)); | |
607 | } | |
608 | ||
609 | /* End of text */ | |
610 | e = strchr(s, '\n'); | |
611 | if (!e) | |
612 | return NULL; | |
613 | ||
614 | /* End of header */ | |
615 | if (e == s) | |
616 | return NULL; | |
617 | ||
618 | s = e + 1; | |
619 | } | |
620 | } | |
621 | ||
54b7254c ZJS |
622 | static void dump_catalog_entry(FILE *f, sd_id128_t id, const char *s, bool oneline) { |
623 | if (oneline) { | |
624 | _cleanup_free_ char *subject = NULL, *defined_by = NULL; | |
625 | ||
626 | subject = find_header(s, "Subject:"); | |
627 | defined_by = find_header(s, "Defined-By:"); | |
628 | ||
629 | fprintf(f, SD_ID128_FORMAT_STR " %s: %s\n", | |
630 | SD_ID128_FORMAT_VAL(id), | |
631 | strna(defined_by), strna(subject)); | |
632 | } else | |
633 | fprintf(f, "-- " SD_ID128_FORMAT_STR "\n%s\n", | |
634 | SD_ID128_FORMAT_VAL(id), s); | |
635 | } | |
636 | ||
637 | ||
844ec79b | 638 | int catalog_list(FILE *f, const char *database, bool oneline) { |
d4205751 LP |
639 | _cleanup_close_ int fd = -1; |
640 | void *p = NULL; | |
641 | struct stat st; | |
642 | const CatalogHeader *h; | |
643 | const CatalogItem *items; | |
644 | int r; | |
645 | unsigned n; | |
646 | sd_id128_t last_id; | |
647 | bool last_id_set = false; | |
648 | ||
844ec79b | 649 | r = open_mmap(database, &fd, &st, &p); |
d4205751 LP |
650 | if (r < 0) |
651 | return r; | |
652 | ||
653 | h = p; | |
83f6936a | 654 | items = (const CatalogItem*) ((const uint8_t*) p + le64toh(h->header_size)); |
d4205751 | 655 | |
83f6936a | 656 | for (n = 0; n < le64toh(h->n_items); n++) { |
d4205751 | 657 | const char *s; |
d4205751 LP |
658 | |
659 | if (last_id_set && sd_id128_equal(last_id, items[n].id)) | |
660 | continue; | |
661 | ||
662 | assert_se(s = find_id(p, items[n].id)); | |
663 | ||
54b7254c | 664 | dump_catalog_entry(f, items[n].id, s, oneline); |
d4205751 LP |
665 | |
666 | last_id_set = true; | |
667 | last_id = items[n].id; | |
668 | } | |
669 | ||
670 | munmap(p, st.st_size); | |
671 | ||
672 | return 0; | |
673 | } | |
54b7254c | 674 | |
844ec79b | 675 | int catalog_list_items(FILE *f, const char *database, bool oneline, char **items) { |
54b7254c ZJS |
676 | char **item; |
677 | int r = 0; | |
678 | ||
679 | STRV_FOREACH(item, items) { | |
680 | sd_id128_t id; | |
681 | int k; | |
7fd1b19b | 682 | _cleanup_free_ char *msg = NULL; |
54b7254c ZJS |
683 | |
684 | k = sd_id128_from_string(*item, &id); | |
685 | if (k < 0) { | |
c33b3297 MS |
686 | log_error_errno(k, "Failed to parse id128 '%s': %m", |
687 | *item); | |
464264ac | 688 | if (r == 0) |
54b7254c ZJS |
689 | r = k; |
690 | continue; | |
691 | } | |
692 | ||
844ec79b | 693 | k = catalog_get(database, id, &msg); |
54b7254c ZJS |
694 | if (k < 0) { |
695 | log_full(k == -ENOENT ? LOG_NOTICE : LOG_ERR, | |
696 | "Failed to retrieve catalog entry for '%s': %s", | |
2e8fb702 | 697 | *item, strerror(-k)); |
464264ac | 698 | if (r == 0) |
54b7254c ZJS |
699 | r = k; |
700 | continue; | |
701 | } | |
702 | ||
703 | dump_catalog_entry(f, id, msg, oneline); | |
704 | } | |
705 | ||
706 | return r; | |
707 | } |