1/*
2 * GIT - The information manager from hell
3 *
4 * Copyright (C) Linus Torvalds, 2005
5 * Copyright (C) Johannes Schindelin, 2005
6 *
7 */
8#include "cache.h"
9#define MAXNAME (256)
11static FILE *config_file;
13static const char *config_file_name;
14static int config_linenr;
15static int get_next_char(void)
16{
17 int c;
18 FILE *f;
19 c = '\n';
21 if ((f = config_file) != NULL) {
22 c = fgetc(f);
23 if (c == '\r') {
24 /* DOS like systems */
25 c = fgetc(f);
26 if (c != '\n') {
27 ungetc(c, f);
28 c = '\r';
29 }
30 }
31 if (c == '\n')
32 config_linenr++;
33 if (c == EOF) {
34 config_file = NULL;
35 c = '\n';
36 }
37 }
38 return c;
39}
40static char *parse_value(void)
42{
43 static char value[1024];
44 int quote = 0, comment = 0, len = 0, space = 0;
45 for (;;) {
47 int c = get_next_char();
48 if (len >= sizeof(value))
49 return NULL;
50 if (c == '\n') {
51 if (quote)
52 return NULL;
53 value[len] = 0;
54 return value;
55 }
56 if (comment)
57 continue;
58 if (isspace(c) && !quote) {
59 space = 1;
60 continue;
61 }
62 if (!quote) {
63 if (c == ';' || c == '#') {
64 comment = 1;
65 continue;
66 }
67 }
68 if (space) {
69 if (len)
70 value[len++] = ' ';
71 space = 0;
72 }
73 if (c == '\\') {
74 c = get_next_char();
75 switch (c) {
76 case '\n':
77 continue;
78 case 't':
79 c = '\t';
80 break;
81 case 'b':
82 c = '\b';
83 break;
84 case 'n':
85 c = '\n';
86 break;
87 /* Some characters escape as themselves */
88 case '\\': case '"':
89 break;
90 /* Reject unknown escape sequences */
91 default:
92 return NULL;
93 }
94 value[len++] = c;
95 continue;
96 }
97 if (c == '"') {
98 quote = 1-quote;
99 continue;
100 }
101 value[len++] = c;
102 }
103}
104static inline int iskeychar(int c)
106{
107 return isalnum(c) || c == '-';
108}
109static int get_value(config_fn_t fn, char *name, unsigned int len)
111{
112 int c;
113 char *value;
114 /* Get the full name */
116 for (;;) {
117 c = get_next_char();
118 if (c == EOF)
119 break;
120 if (!iskeychar(c))
121 break;
122 name[len++] = tolower(c);
123 if (len >= MAXNAME)
124 return -1;
125 }
126 name[len] = 0;
127 while (c == ' ' || c == '\t')
128 c = get_next_char();
129 value = NULL;
131 if (c != '\n') {
132 if (c != '=')
133 return -1;
134 value = parse_value();
135 if (!value)
136 return -1;
137 }
138 return fn(name, value);
139}
140static int get_extended_base_var(char *name, int baselen, int c)
142{
143 do {
144 if (c == '\n')
145 return -1;
146 c = get_next_char();
147 } while (isspace(c));
148 /* We require the format to be '[base "extension"]' */
150 if (c != '"')
151 return -1;
152 name[baselen++] = '.';
153 for (;;) {
155 int c = get_next_char();
156 if (c == '\n')
157 return -1;
158 if (c == '"')
159 break;
160 if (c == '\\') {
161 c = get_next_char();
162 if (c == '\n')
163 return -1;
164 }
165 name[baselen++] = c;
166 if (baselen > MAXNAME / 2)
167 return -1;
168 }
169 /* Final ']' */
171 if (get_next_char() != ']')
172 return -1;
173 return baselen;
174}
175static int get_base_var(char *name)
177{
178 int baselen = 0;
179 for (;;) {
181 int c = get_next_char();
182 if (c == EOF)
183 return -1;
184 if (c == ']')
185 return baselen;
186 if (isspace(c))
187 return get_extended_base_var(name, baselen, c);
188 if (!iskeychar(c) && c != '.')
189 return -1;
190 if (baselen > MAXNAME / 2)
191 return -1;
192 name[baselen++] = tolower(c);
193 }
194}
195static int git_parse_file(config_fn_t fn)
197{
198 int comment = 0;
199 int baselen = 0;
200 static char var[MAXNAME];
201 for (;;) {
203 int c = get_next_char();
204 if (c == '\n') {
205 /* EOF? */
206 if (!config_file)
207 return 0;
208 comment = 0;
209 continue;
210 }
211 if (comment || isspace(c))
212 continue;
213 if (c == '#' || c == ';') {
214 comment = 1;
215 continue;
216 }
217 if (c == '[') {
218 baselen = get_base_var(var);
219 if (baselen <= 0)
220 break;
221 var[baselen++] = '.';
222 var[baselen] = 0;
223 continue;
224 }
225 if (!isalpha(c))
226 break;
227 var[baselen] = tolower(c);
228 if (get_value(fn, var, baselen+1) < 0)
229 break;
230 }
231 die("bad config file line %d in %s", config_linenr, config_file_name);
232}
233int git_config_int(const char *name, const char *value)
235{
236 if (value && *value) {
237 char *end;
238 int val = strtol(value, &end, 0);
239 if (!*end)
240 return val;
241 if (!strcasecmp(end, "k"))
242 return val * 1024;
243 if (!strcasecmp(end, "m"))
244 return val * 1024 * 1024;
245 if (!strcasecmp(end, "g"))
246 return val * 1024 * 1024 * 1024;
247 }
248 die("bad config value for '%s' in %s", name, config_file_name);
249}
250int git_config_bool(const char *name, const char *value)
252{
253 if (!value)
254 return 1;
255 if (!*value)
256 return 0;
257 if (!strcasecmp(value, "true") || !strcasecmp(value, "yes"))
258 return 1;
259 if (!strcasecmp(value, "false") || !strcasecmp(value, "no"))
260 return 0;
261 return git_config_int(name, value) != 0;
262}
263int git_default_config(const char *var, const char *value)
265{
266 /* This needs a better name */
267 if (!strcmp(var, "core.filemode")) {
268 trust_executable_bit = git_config_bool(var, value);
269 return 0;
270 }
271 if (!strcmp(var, "core.bare")) {
273 is_bare_repository_cfg = git_config_bool(var, value);
274 return 0;
275 }
276 if (!strcmp(var, "core.ignorestat")) {
278 assume_unchanged = git_config_bool(var, value);
279 return 0;
280 }
281 if (!strcmp(var, "core.prefersymlinkrefs")) {
283 prefer_symlink_refs = git_config_bool(var, value);
284 return 0;
285 }
286 if (!strcmp(var, "core.logallrefupdates")) {
288 log_all_ref_updates = git_config_bool(var, value);
289 return 0;
290 }
291 if (!strcmp(var, "core.warnambiguousrefs")) {
293 warn_ambiguous_refs = git_config_bool(var, value);
294 return 0;
295 }
296 if (!strcmp(var, "core.legacyheaders")) {
298 use_legacy_headers = git_config_bool(var, value);
299 return 0;
300 }
301 if (!strcmp(var, "core.compression")) {
303 int level = git_config_int(var, value);
304 if (level == -1)
305 level = Z_DEFAULT_COMPRESSION;
306 else if (level < 0 || level > Z_BEST_COMPRESSION)
307 die("bad zlib compression level %d", level);
308 zlib_compression_level = level;
309 return 0;
310 }
311 if (!strcmp(var, "core.packedgitwindowsize")) {
313 int pgsz = getpagesize();
314 packed_git_window_size = git_config_int(var, value);
315 packed_git_window_size /= pgsz;
316 if (packed_git_window_size < 2)
317 packed_git_window_size = 2;
318 packed_git_window_size *= pgsz;
319 return 0;
320 }
321 if (!strcmp(var, "core.packedgitlimit")) {
323 packed_git_limit = git_config_int(var, value);
324 return 0;
325 }
326 if (!strcmp(var, "core.autocrlf")) {
328 if (value && !strcasecmp(value, "input")) {
329 auto_crlf = -1;
330 return 0;
331 }
332 auto_crlf = git_config_bool(var, value);
333 return 0;
334 }
335 if (!strcmp(var, "user.name")) {
337 strlcpy(git_default_name, value, sizeof(git_default_name));
338 return 0;
339 }
340 if (!strcmp(var, "user.email")) {
342 strlcpy(git_default_email, value, sizeof(git_default_email));
343 return 0;
344 }
345 if (!strcmp(var, "i18n.commitencoding")) {
347 git_commit_encoding = strdup(value);
348 return 0;
349 }
350 if (!strcmp(var, "i18n.logoutputencoding")) {
352 git_log_output_encoding = strdup(value);
353 return 0;
354 }
355 if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) {
358 pager_use_color = git_config_bool(var,value);
359 return 0;
360 }
361 /* Add other config variables here and to Documentation/config.txt. */
363 return 0;
364}
365int git_config_from_file(config_fn_t fn, const char *filename)
367{
368 int ret;
369 FILE *f = fopen(filename, "r");
370 ret = -1;
372 if (f) {
373 config_file = f;
374 config_file_name = filename;
375 config_linenr = 1;
376 ret = git_parse_file(fn);
377 fclose(f);
378 config_file_name = NULL;
379 }
380 return ret;
381}
382int git_config(config_fn_t fn)
384{
385 int ret = 0;
386 char *repo_config = NULL;
387 const char *home = NULL, *filename;
388 /* $GIT_CONFIG makes git read _only_ the given config file,
390 * $GIT_CONFIG_LOCAL will make it process it in addition to the
391 * global config file, the same way it would the per-repository
392 * config file otherwise. */
393 filename = getenv(CONFIG_ENVIRONMENT);
394 if (!filename) {
395 home = getenv("HOME");
396 filename = getenv(CONFIG_LOCAL_ENVIRONMENT);
397 if (!filename)
398 filename = repo_config = xstrdup(git_path("config"));
399 }
400 if (home) {
402 char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
403 if (!access(user_config, R_OK))
404 ret = git_config_from_file(fn, user_config);
405 free(user_config);
406 }
407 ret += git_config_from_file(fn, filename);
409 free(repo_config);
410 return ret;
411}
412/*
414 * Find all the stuff for git_config_set() below.
415 */
416#define MAX_MATCHES 512
418static struct {
420 int baselen;
421 char* key;
422 int do_not_match;
423 regex_t* value_regex;
424 int multi_replace;
425 off_t offset[MAX_MATCHES];
426 enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state;
427 int seen;
428} store;
429static int matches(const char* key, const char* value)
431{
432 return !strcmp(key, store.key) &&
433 (store.value_regex == NULL ||
434 (store.do_not_match ^
435 !regexec(store.value_regex, value, 0, NULL, 0)));
436}
437static int store_aux(const char* key, const char* value)
439{
440 switch (store.state) {
441 case KEY_SEEN:
442 if (matches(key, value)) {
443 if (store.seen == 1 && store.multi_replace == 0) {
444 fprintf(stderr,
445 "Warning: %s has multiple values\n",
446 key);
447 } else if (store.seen >= MAX_MATCHES) {
448 fprintf(stderr, "Too many matches\n");
449 return 1;
450 }
451 store.offset[store.seen] = ftell(config_file);
453 store.seen++;
454 }
455 break;
456 case SECTION_SEEN:
457 if (strncmp(key, store.key, store.baselen+1)) {
458 store.state = SECTION_END_SEEN;
459 break;
460 } else
461 /* do not increment matches: this is no match */
462 store.offset[store.seen] = ftell(config_file);
463 /* fallthru */
464 case SECTION_END_SEEN:
465 case START:
466 if (matches(key, value)) {
467 store.offset[store.seen] = ftell(config_file);
468 store.state = KEY_SEEN;
469 store.seen++;
470 } else {
471 if (strrchr(key, '.') - key == store.baselen &&
472 !strncmp(key, store.key, store.baselen)) {
473 store.state = SECTION_SEEN;
474 store.offset[store.seen] = ftell(config_file);
475 }
476 }
477 }
478 return 0;
479}
480static int write_error()
482{
483 fprintf(stderr, "Failed to write new configuration file\n");
484 /* Same error code as "failed to rename". */
486 return 4;
487}
488static int store_write_section(int fd, const char* key)
490{
491 const char *dot = strchr(key, '.');
492 int len1 = store.baselen, len2 = -1;
493 dot = strchr(key, '.');
495 if (dot) {
496 int dotlen = dot - key;
497 if (dotlen < len1) {
498 len2 = len1 - dotlen - 1;
499 len1 = dotlen;
500 }
501 }
502 if (write_in_full(fd, "[", 1) != 1 ||
504 write_in_full(fd, key, len1) != len1)
505 return 0;
506 if (len2 >= 0) {
507 if (write_in_full(fd, " \"", 2) != 2)
508 return 0;
509 while (--len2 >= 0) {
510 unsigned char c = *++dot;
511 if (c == '"')
512 if (write_in_full(fd, "\\", 1) != 1)
513 return 0;
514 if (write_in_full(fd, &c, 1) != 1)
515 return 0;
516 }
517 if (write_in_full(fd, "\"", 1) != 1)
518 return 0;
519 }
520 if (write_in_full(fd, "]\n", 2) != 2)
521 return 0;
522 return 1;
524}
525static int store_write_pair(int fd, const char* key, const char* value)
527{
528 int i;
529 int length = strlen(key+store.baselen+1);
530 int quote = 0;
531 /* Check to see if the value needs to be quoted. */
533 if (value[0] == ' ')
534 quote = 1;
535 for (i = 0; value[i]; i++)
536 if (value[i] == ';' || value[i] == '#')
537 quote = 1;
538 if (value[i-1] == ' ')
539 quote = 1;
540 if (write_in_full(fd, "\t", 1) != 1 ||
542 write_in_full(fd, key+store.baselen+1, length) != length ||
543 write_in_full(fd, " = ", 3) != 3)
544 return 0;
545 if (quote && write_in_full(fd, "\"", 1) != 1)
546 return 0;
547 for (i = 0; value[i]; i++)
548 switch (value[i]) {
549 case '\n':
550 if (write_in_full(fd, "\\n", 2) != 2)
551 return 0;
552 break;
553 case '\t':
554 if (write_in_full(fd, "\\t", 2) != 2)
555 return 0;
556 break;
557 case '"':
558 case '\\':
559 if (write_in_full(fd, "\\", 1) != 1)
560 return 0;
561 default:
562 if (write_in_full(fd, value+i, 1) != 1)
563 return 0;
564 break;
565 }
566 if (quote && write_in_full(fd, "\"", 1) != 1)
567 return 0;
568 if (write_in_full(fd, "\n", 1) != 1)
569 return 0;
570 return 1;
571}
572static int find_beginning_of_line(const char* contents, int size,
574 int offset_, int* found_bracket)
575{
576 int equal_offset = size, bracket_offset = size;
577 int offset;
578 for (offset = offset_-2; offset > 0
580 && contents[offset] != '\n'; offset--)
581 switch (contents[offset]) {
582 case '=': equal_offset = offset; break;
583 case ']': bracket_offset = offset; break;
584 }
585 if (bracket_offset < equal_offset) {
586 *found_bracket = 1;
587 offset = bracket_offset+1;
588 } else
589 offset++;
590 return offset;
592}
593int git_config_set(const char* key, const char* value)
595{
596 return git_config_set_multivar(key, value, NULL, 0);
597}
598/*
600 * If value==NULL, unset in (remove from) config,
601 * if value_regex!=NULL, disregard key/value pairs where value does not match.
602 * if multi_replace==0, nothing, or only one matching key/value is replaced,
603 * else all matching key/values (regardless how many) are removed,
604 * before the new pair is written.
605 *
606 * Returns 0 on success.
607 *
608 * This function does this:
609 *
610 * - it locks the config file by creating ".git/config.lock"
611 *
612 * - it then parses the config using store_aux() as validator to find
613 * the position on the key/value pair to replace. If it is to be unset,
614 * it must be found exactly once.
615 *
616 * - the config file is mmap()ed and the part before the match (if any) is
617 * written to the lock file, then the changed part and the rest.
618 *
619 * - the config file is removed and the lock file rename()d to it.
620 *
621 */
622int git_config_set_multivar(const char* key, const char* value,
623 const char* value_regex, int multi_replace)
624{
625 int i, dot;
626 int fd = -1, in_fd;
627 int ret;
628 char* config_filename;
629 char* lock_file;
630 const char* last_dot = strrchr(key, '.');
631 config_filename = getenv(CONFIG_ENVIRONMENT);
633 if (!config_filename) {
634 config_filename = getenv(CONFIG_LOCAL_ENVIRONMENT);
635 if (!config_filename)
636 config_filename = git_path("config");
637 }
638 config_filename = xstrdup(config_filename);
639 lock_file = xstrdup(mkpath("%s.lock", config_filename));
640 /*
642 * Since "key" actually contains the section name and the real
643 * key name separated by a dot, we have to know where the dot is.
644 */
645 if (last_dot == NULL) {
647 fprintf(stderr, "key does not contain a section: %s\n", key);
648 ret = 2;
649 goto out_free;
650 }
651 store.baselen = last_dot - key;
652 store.multi_replace = multi_replace;
654 /*
656 * Validate the key and while at it, lower case it for matching.
657 */
658 store.key = xmalloc(strlen(key) + 1);
659 dot = 0;
660 for (i = 0; key[i]; i++) {
661 unsigned char c = key[i];
662 if (c == '.')
663 dot = 1;
664 /* Leave the extended basename untouched.. */
665 if (!dot || i > store.baselen) {
666 if (!iskeychar(c) || (i == store.baselen+1 && !isalpha(c))) {
667 fprintf(stderr, "invalid key: %s\n", key);
668 free(store.key);
669 ret = 1;
670 goto out_free;
671 }
672 c = tolower(c);
673 } else if (c == '\n') {
674 fprintf(stderr, "invalid key (newline): %s\n", key);
675 free(store.key);
676 ret = 1;
677 goto out_free;
678 }
679 store.key[i] = c;
680 }
681 store.key[i] = 0;
682 /*
684 * The lock_file serves a purpose in addition to locking: the new
685 * contents of .git/config will be written into it.
686 */
687 fd = open(lock_file, O_WRONLY | O_CREAT | O_EXCL, 0666);
688 if (fd < 0 || adjust_shared_perm(lock_file)) {
689 fprintf(stderr, "could not lock config file\n");
690 free(store.key);
691 ret = -1;
692 goto out_free;
693 }
694 /*
696 * If .git/config does not exist yet, write a minimal version.
697 */
698 in_fd = open(config_filename, O_RDONLY);
699 if ( in_fd < 0 ) {
700 free(store.key);
701 if ( ENOENT != errno ) {
703 error("opening %s: %s", config_filename,
704 strerror(errno));
705 ret = 3; /* same as "invalid config file" */
706 goto out_free;
707 }
708 /* if nothing to unset, error out */
709 if (value == NULL) {
710 ret = 5;
711 goto out_free;
712 }
713 store.key = (char*)key;
715 if (!store_write_section(fd, key) ||
716 !store_write_pair(fd, key, value))
717 goto write_err_out;
718 } else {
719 struct stat st;
720 char* contents;
721 int i, copy_begin, copy_end, new_line = 0;
722 if (value_regex == NULL)
724 store.value_regex = NULL;
725 else {
726 if (value_regex[0] == '!') {
727 store.do_not_match = 1;
728 value_regex++;
729 } else
730 store.do_not_match = 0;
731 store.value_regex = (regex_t*)xmalloc(sizeof(regex_t));
733 if (regcomp(store.value_regex, value_regex,
734 REG_EXTENDED)) {
735 fprintf(stderr, "Invalid pattern: %s\n",
736 value_regex);
737 free(store.value_regex);
738 ret = 6;
739 goto out_free;
740 }
741 }
742 store.offset[0] = 0;
744 store.state = START;
745 store.seen = 0;
746 /*
748 * After this, store.offset will contain the *end* offset
749 * of the last match, or remain at 0 if no match was found.
750 * As a side effect, we make sure to transform only a valid
751 * existing config file.
752 */
753 if (git_config_from_file(store_aux, config_filename)) {
754 fprintf(stderr, "invalid config file\n");
755 free(store.key);
756 if (store.value_regex != NULL) {
757 regfree(store.value_regex);
758 free(store.value_regex);
759 }
760 ret = 3;
761 goto out_free;
762 }
763 free(store.key);
765 if (store.value_regex != NULL) {
766 regfree(store.value_regex);
767 free(store.value_regex);
768 }
769 /* if nothing to unset, or too many matches, error out */
771 if ((store.seen == 0 && value == NULL) ||
772 (store.seen > 1 && multi_replace == 0)) {
773 ret = 5;
774 goto out_free;
775 }
776 fstat(in_fd, &st);
778 contents = xmmap(NULL, st.st_size, PROT_READ,
779 MAP_PRIVATE, in_fd, 0);
780 close(in_fd);
781 if (store.seen == 0)
783 store.seen = 1;
784 for (i = 0, copy_begin = 0; i < store.seen; i++) {
786 if (store.offset[i] == 0) {
787 store.offset[i] = copy_end = st.st_size;
788 } else if (store.state != KEY_SEEN) {
789 copy_end = store.offset[i];
790 } else
791 copy_end = find_beginning_of_line(
792 contents, st.st_size,
793 store.offset[i]-2, &new_line);
794 /* write the first part of the config */
796 if (copy_end > copy_begin) {
797 if (write_in_full(fd, contents + copy_begin,
798 copy_end - copy_begin) <
799 copy_end - copy_begin)
800 goto write_err_out;
801 if (new_line &&
802 write_in_full(fd, "\n", 1) != 1)
803 goto write_err_out;
804 }
805 copy_begin = store.offset[i];
806 }
807 /* write the pair (value == NULL means unset) */
809 if (value != NULL) {
810 if (store.state == START) {
811 if (!store_write_section(fd, key))
812 goto write_err_out;
813 }
814 if (!store_write_pair(fd, key, value))
815 goto write_err_out;
816 }
817 /* write the rest of the config */
819 if (copy_begin < st.st_size)
820 if (write_in_full(fd, contents + copy_begin,
821 st.st_size - copy_begin) <
822 st.st_size - copy_begin)
823 goto write_err_out;
824 munmap(contents, st.st_size);
826 unlink(config_filename);
827 }
828 if (rename(lock_file, config_filename) < 0) {
830 fprintf(stderr, "Could not rename the lock file?\n");
831 ret = 4;
832 goto out_free;
833 }
834 ret = 0;
836out_free:
838 if (0 <= fd)
839 close(fd);
840 free(config_filename);
841 if (lock_file) {
842 unlink(lock_file);
843 free(lock_file);
844 }
845 return ret;
846write_err_out:
848 ret = write_error();
849 goto out_free;
850}
852int git_config_rename_section(const char *old_name, const char *new_name)
854{
855 int ret = 0;
856 char *config_filename;
857 struct lock_file *lock = xcalloc(sizeof(struct lock_file), 1);
858 int out_fd;
859 char buf[1024];
860 config_filename = getenv(CONFIG_ENVIRONMENT);
862 if (!config_filename) {
863 config_filename = getenv(CONFIG_LOCAL_ENVIRONMENT);
864 if (!config_filename)
865 config_filename = git_path("config");
866 }
867 config_filename = xstrdup(config_filename);
868 out_fd = hold_lock_file_for_update(lock, config_filename, 0);
869 if (out_fd < 0) {
870 ret = error("Could not lock config file!");
871 goto out;
872 }
873 if (!(config_file = fopen(config_filename, "rb"))) {
875 ret = error("Could not open config file!");
876 goto out;
877 }
878 while (fgets(buf, sizeof(buf), config_file)) {
880 int i;
881 int length;
882 for (i = 0; buf[i] && isspace(buf[i]); i++)
883 ; /* do nothing */
884 if (buf[i] == '[') {
885 /* it's a section */
886 int j = 0, dot = 0;
887 for (i++; buf[i] && buf[i] != ']'; i++) {
888 if (!dot && isspace(buf[i])) {
889 dot = 1;
890 if (old_name[j++] != '.')
891 break;
892 for (i++; isspace(buf[i]); i++)
893 ; /* do nothing */
894 if (buf[i] != '"')
895 break;
896 continue;
897 }
898 if (buf[i] == '\\' && dot)
899 i++;
900 else if (buf[i] == '"' && dot) {
901 for (i++; isspace(buf[i]); i++)
902 ; /* do_nothing */
903 break;
904 }
905 if (buf[i] != old_name[j++])
906 break;
907 }
908 if (buf[i] == ']' && old_name[j] == 0) {
909 /* old_name matches */
910 ret++;
911 store.baselen = strlen(new_name);
912 if (!store_write_section(out_fd, new_name)) {
913 ret = write_error();
914 goto out;
915 }
916 continue;
917 }
918 }
919 length = strlen(buf);
920 if (write_in_full(out_fd, buf, length) != length) {
921 ret = write_error();
922 goto out;
923 }
924 }
925 fclose(config_file);
926 if (close(out_fd) || commit_lock_file(lock) < 0)
927 ret = error("Cannot commit config file!");
928 out:
929 free(config_filename);
930 return ret;
931}
932