2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2013 Hiroyuki Yamamoto & The Claws Mail Team
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 * The code of the g_utf8_substring function below is owned by
19 * Matthias Clasen <matthiasc@src.gnome.org>/<mclasen@redhat.com>
20 * and is got from GLIB 2.30
26 #include "claws-features.h"
34 #include <glib/gi18n.h>
44 #include <sys/param.h>
46 #if (HAVE_WCTYPE_H && HAVE_WCHAR_H)
54 #include <sys/types.h>
56 # include <sys/wait.h>
63 #include <sys/utsname.h>
76 #include "../codeconv.h"
80 static gboolean debug_mode = FALSE;
82 static GSList *tempfiles=NULL;
85 /* Return true if we are running as root. This function should beused
86 instead of getuid () == 0. */
87 gboolean superuser_p (void)
90 return w32_is_administrator ();
98 #if !GLIB_CHECK_VERSION(2, 7, 0) && !defined(G_OS_UNIX)
99 gint g_chdir(const gchar *path)
102 if (G_WIN32_HAVE_WIDECHAR_API()) {
107 wpath = g_utf8_to_utf16(path, -1, NULL, NULL, NULL);
113 retval = _wchdir(wpath);
125 cp_path = g_locale_from_utf8(path, -1, NULL, NULL, NULL);
126 if (cp_path == NULL) {
131 retval = chdir(cp_path);
144 gint g_chmod(const gchar *path, gint mode)
147 if (G_WIN32_HAVE_WIDECHAR_API()) {
152 wpath = g_utf8_to_utf16(path, -1, NULL, NULL, NULL);
158 retval = _wchmod(wpath, mode);
170 cp_path = g_locale_from_utf8(path, -1, NULL, NULL, NULL);
171 if (cp_path == NULL) {
176 retval = chmod(cp_path, mode);
185 return chmod(path, mode);
189 FILE* g_fopen(const gchar *filename, const gchar *mode)
192 char *name = g_win32_locale_filename_from_utf8(filename);
193 FILE* fp = fopen(name, mode);
197 return fopen(filename, mode);
200 int g_open(const gchar *filename, int flags, int mode)
203 char *name = g_win32_locale_filename_from_utf8(filename);
204 int fd = open(name, flags, mode);
208 return open(filename, flags, mode);
211 #endif /* GLIB_CHECK_VERSION && G_OS_UNIX */
215 gint mkstemp_name(gchar *template, gchar **name_used)
217 static gulong count=0; /* W32-_mktemp only supports up to 27
221 *name_used = g_strdup_printf("%s.%ld",_mktemp(template),count++);
222 tmpfd = g_open (*name_used, (O_CREAT | O_RDWR | O_BINARY),
223 (S_IRUSR | S_IWUSR));
225 tempfiles=g_slist_append(tempfiles, g_strdup(*name_used));
227 perror(g_strdup_printf("cant create %s",*name_used));
233 #endif /* G_OS_WIN32 */
236 gint mkstemp(gchar *template)
239 gint res = mkstemp_name(template, &dummyname);
243 #endif /* G_OS_WIN32 */
245 GSList *slist_copy_deep(GSList *list, GCopyFunc func)
247 #if GLIB_CHECK_VERSION(2, 34, 0)
248 return g_slist_copy_deep(list, func, NULL);
250 GSList *res = g_slist_copy(list);
253 walk->data = func(walk->data, NULL);
260 void list_free_strings(GList *list)
262 list = g_list_first(list);
264 while (list != NULL) {
270 void slist_free_strings(GSList *list)
272 while (list != NULL) {
278 void slist_free_strings_full(GSList *list)
280 #if GLIB_CHECK_VERSION(2,28,0)
281 g_slist_free_full(list, (GDestroyNotify)g_free);
283 g_slist_foreach(list, (GFunc)g_free, NULL);
288 static void hash_free_strings_func(gpointer key, gpointer value, gpointer data)
293 void hash_free_strings(GHashTable *table)
295 g_hash_table_foreach(table, hash_free_strings_func, NULL);
298 gint str_case_equal(gconstpointer v, gconstpointer v2)
300 return g_ascii_strcasecmp((const gchar *)v, (const gchar *)v2) == 0;
303 guint str_case_hash(gconstpointer key)
305 const gchar *p = key;
309 h = g_ascii_tolower(h);
310 for (p += 1; *p != '\0'; p++)
311 h = (h << 5) - h + g_ascii_tolower(*p);
317 void ptr_array_free_strings(GPtrArray *array)
322 cm_return_if_fail(array != NULL);
324 for (i = 0; i < array->len; i++) {
325 str = g_ptr_array_index(array, i);
330 gint to_number(const gchar *nstr)
332 register const gchar *p;
334 if (*nstr == '\0') return -1;
336 for (p = nstr; *p != '\0'; p++)
337 if (!g_ascii_isdigit(*p)) return -1;
342 /* convert integer into string,
343 nstr must be not lower than 11 characters length */
344 gchar *itos_buf(gchar *nstr, gint n)
346 g_snprintf(nstr, 11, "%d", n);
350 /* convert integer into string */
353 static gchar nstr[11];
355 return itos_buf(nstr, n);
358 #define divide(num,divisor,i,d) \
360 i = num >> divisor; \
361 d = num & ((1<<divisor)-1); \
362 d = (d*100) >> divisor; \
367 * \brief Convert a given size in bytes in a human-readable string
369 * \param size The size expressed in bytes to convert in string
370 * \return The string that respresents the size in an human-readable way
372 gchar *to_human_readable(goffset size)
374 static gchar str[14];
375 static gchar *b_format = NULL, *kb_format = NULL,
376 *mb_format = NULL, *gb_format = NULL;
377 register int t = 0, r = 0;
378 if (b_format == NULL) {
380 kb_format = _("%d.%02dKB");
381 mb_format = _("%d.%02dMB");
382 gb_format = _("%.2fGB");
385 if (size < (goffset)1024) {
386 g_snprintf(str, sizeof(str), b_format, (gint)size);
388 } else if (size >> 10 < (goffset)1024) {
389 divide(size, 10, t, r);
390 g_snprintf(str, sizeof(str), kb_format, t, r);
392 } else if (size >> 20 < (goffset)1024) {
393 divide(size, 20, t, r);
394 g_snprintf(str, sizeof(str), mb_format, t, r);
397 g_snprintf(str, sizeof(str), gb_format, (gfloat)(size >> 30));
402 /* strcmp with NULL-checking */
403 gint strcmp2(const gchar *s1, const gchar *s2)
405 if (s1 == NULL || s2 == NULL)
408 return strcmp(s1, s2);
410 /* strstr with NULL-checking */
411 gchar *strstr2(const gchar *s1, const gchar *s2)
413 if (s1 == NULL || s2 == NULL)
416 return strstr(s1, s2);
419 gint path_cmp(const gchar *s1, const gchar *s2)
424 gchar *s1buf, *s2buf;
427 if (s1 == NULL || s2 == NULL) return -1;
428 if (*s1 == '\0' || *s2 == '\0') return -1;
431 s1buf = g_strdup (s1);
432 s2buf = g_strdup (s2);
433 subst_char (s1buf, '/', G_DIR_SEPARATOR);
434 subst_char (s2buf, '/', G_DIR_SEPARATOR);
437 #endif /* !G_OS_WIN32 */
442 if (s1[len1 - 1] == G_DIR_SEPARATOR) len1--;
443 if (s2[len2 - 1] == G_DIR_SEPARATOR) len2--;
445 rc = strncmp(s1, s2, MAX(len1, len2));
449 #endif /* !G_OS_WIN32 */
453 /* remove trailing return code */
454 gchar *strretchomp(gchar *str)
458 if (!*str) return str;
460 for (s = str + strlen(str) - 1;
461 s >= str && (*s == '\n' || *s == '\r');
468 /* remove trailing character */
469 gchar *strtailchomp(gchar *str, gchar tail_char)
473 if (!*str) return str;
474 if (tail_char == '\0') return str;
476 for (s = str + strlen(str) - 1; s >= str && *s == tail_char; s--)
482 /* remove CR (carriage return) */
483 gchar *strcrchomp(gchar *str)
487 if (!*str) return str;
489 s = str + strlen(str) - 1;
490 if (*s == '\n' && s > str && *(s - 1) == '\r') {
498 gint file_strip_crs(const gchar *file)
500 FILE *fp = NULL, *outfp = NULL;
502 gchar *out = get_tmp_file();
506 fp = g_fopen(file, "rb");
510 outfp = g_fopen(out, "wb");
516 while (fgets(buf, sizeof (buf), fp) != NULL) {
518 if (fputs(buf, outfp) == EOF) {
526 if (fclose(outfp) == EOF) {
530 if (move_file(out, file, TRUE) < 0)
542 /* Similar to `strstr' but this function ignores the case of both strings. */
543 gchar *strcasestr(const gchar *haystack, const gchar *needle)
545 size_t haystack_len = strlen(haystack);
547 return strncasestr(haystack, haystack_len, needle);
550 gchar *strncasestr(const gchar *haystack, gint haystack_len, const gchar *needle)
552 register size_t needle_len;
554 needle_len = strlen(needle);
556 if (haystack_len < needle_len || needle_len == 0)
559 while (haystack_len >= needle_len) {
560 if (!g_ascii_strncasecmp(haystack, needle, needle_len))
561 return (gchar *)haystack;
571 gpointer my_memmem(gconstpointer haystack, size_t haystacklen,
572 gconstpointer needle, size_t needlelen)
574 const gchar *haystack_ = (const gchar *)haystack;
575 const gchar *needle_ = (const gchar *)needle;
576 const gchar *haystack_cur = (const gchar *)haystack;
577 size_t haystack_left = haystacklen;
580 return memchr(haystack_, *needle_, haystacklen);
582 while ((haystack_cur = memchr(haystack_cur, *needle_, haystack_left))
584 if (haystacklen - (haystack_cur - haystack_) < needlelen)
586 if (memcmp(haystack_cur + 1, needle_ + 1, needlelen - 1) == 0)
587 return (gpointer)haystack_cur;
590 haystack_left = haystacklen - (haystack_cur - haystack_);
597 /* Copy no more than N characters of SRC to DEST, with NULL terminating. */
598 gchar *strncpy2(gchar *dest, const gchar *src, size_t n)
600 register const gchar *s = src;
601 register gchar *d = dest;
611 /* Examine if next block is non-ASCII string */
612 gboolean is_next_nonascii(const gchar *s)
616 /* skip head space */
617 for (p = s; *p != '\0' && g_ascii_isspace(*p); p++)
619 for (; *p != '\0' && !g_ascii_isspace(*p); p++) {
620 if (*(guchar *)p > 127 || *(guchar *)p < 32)
627 gint get_next_word_len(const gchar *s)
631 for (; *s != '\0' && !g_ascii_isspace(*s); s++, len++)
637 static void trim_subject_for_compare(gchar *str)
641 eliminate_parenthesis(str, '[', ']');
642 eliminate_parenthesis(str, '(', ')');
645 srcp = str + subject_get_prefix_length(str);
647 memmove(str, srcp, strlen(srcp) + 1);
650 static void trim_subject_for_sort(gchar *str)
656 srcp = str + subject_get_prefix_length(str);
658 memmove(str, srcp, strlen(srcp) + 1);
661 /* compare subjects */
662 gint subject_compare(const gchar *s1, const gchar *s2)
666 if (!s1 || !s2) return -1;
667 if (!*s1 || !*s2) return -1;
669 Xstrdup_a(str1, s1, return -1);
670 Xstrdup_a(str2, s2, return -1);
672 trim_subject_for_compare(str1);
673 trim_subject_for_compare(str2);
675 if (!*str1 || !*str2) return -1;
677 return strcmp(str1, str2);
680 gint subject_compare_for_sort(const gchar *s1, const gchar *s2)
684 if (!s1 || !s2) return -1;
686 Xstrdup_a(str1, s1, return -1);
687 Xstrdup_a(str2, s2, return -1);
689 trim_subject_for_sort(str1);
690 trim_subject_for_sort(str2);
692 return g_utf8_collate(str1, str2);
695 void trim_subject(gchar *str)
697 register gchar *srcp;
703 srcp = str + subject_get_prefix_length(str);
708 } else if (*srcp == '(') {
720 else if (*srcp == cl)
727 while (g_ascii_isspace(*srcp)) srcp++;
728 memmove(str, srcp, strlen(srcp) + 1);
731 void eliminate_parenthesis(gchar *str, gchar op, gchar cl)
733 register gchar *srcp, *destp;
738 while ((destp = strchr(destp, op))) {
744 else if (*srcp == cl)
750 while (g_ascii_isspace(*srcp)) srcp++;
751 memmove(destp, srcp, strlen(srcp) + 1);
755 void extract_parenthesis(gchar *str, gchar op, gchar cl)
757 register gchar *srcp, *destp;
762 while ((srcp = strchr(destp, op))) {
765 memmove(destp, srcp + 1, strlen(srcp));
770 else if (*destp == cl)
782 static void extract_parenthesis_with_skip_quote(gchar *str, gchar quote_chr,
785 register gchar *srcp, *destp;
787 gboolean in_quote = FALSE;
791 while ((srcp = strchr_with_skip_quote(destp, quote_chr, op))) {
794 memmove(destp, srcp + 1, strlen(srcp));
797 if (*destp == op && !in_quote)
799 else if (*destp == cl && !in_quote)
801 else if (*destp == quote_chr)
813 void extract_quote(gchar *str, gchar quote_chr)
817 if ((str = strchr(str, quote_chr))) {
819 while ((p = strchr(p + 1, quote_chr)) && (p[-1] == '\\')) {
820 memmove(p - 1, p, strlen(p) + 1);
825 memmove(str, str + 1, p - str);
830 /* Returns a newly allocated string with all quote_chr not at the beginning
831 or the end of str escaped with '\' or the given str if not required. */
832 gchar *escape_internal_quotes(gchar *str, gchar quote_chr)
834 register gchar *p, *q;
838 if (str == NULL || *str == '\0')
841 /* search for unescaped quote_chr */
846 if (*p == quote_chr && *(p - 1) != '\\' && *(p + 1) != '\0')
850 if (!k) /* nothing to escape */
853 /* unescaped quote_chr found */
854 qstr = g_malloc(l + k + 1);
857 if (*p == quote_chr) {
862 if (*p == quote_chr && *(p - 1) != '\\' && *(p + 1) != '\0')
871 void eliminate_address_comment(gchar *str)
873 register gchar *srcp, *destp;
878 while ((destp = strchr(destp, '"'))) {
879 if ((srcp = strchr(destp + 1, '"'))) {
884 while (g_ascii_isspace(*srcp)) srcp++;
885 memmove(destp, srcp, strlen(srcp) + 1);
895 while ((destp = strchr_with_skip_quote(destp, '"', '('))) {
901 else if (*srcp == ')')
907 while (g_ascii_isspace(*srcp)) srcp++;
908 memmove(destp, srcp, strlen(srcp) + 1);
912 gchar *strchr_with_skip_quote(const gchar *str, gint quote_chr, gint c)
914 gboolean in_quote = FALSE;
917 if (*str == c && !in_quote)
919 if (*str == quote_chr)
927 void extract_address(gchar *str)
929 eliminate_address_comment(str);
930 if (strchr_with_skip_quote(str, '"', '<'))
931 extract_parenthesis_with_skip_quote(str, '"', '<', '>');
935 void extract_list_id_str(gchar *str)
937 if (strchr_with_skip_quote(str, '"', '<'))
938 extract_parenthesis_with_skip_quote(str, '"', '<', '>');
942 static GSList *address_list_append_real(GSList *addr_list, const gchar *str, gboolean removecomments)
947 if (!str) return addr_list;
949 Xstrdup_a(work, str, return addr_list);
952 eliminate_address_comment(work);
955 while (workp && *workp) {
958 if ((p = strchr_with_skip_quote(workp, '"', ','))) {
964 if (removecomments && strchr_with_skip_quote(workp, '"', '<'))
965 extract_parenthesis_with_skip_quote
966 (workp, '"', '<', '>');
970 addr_list = g_slist_append(addr_list, g_strdup(workp));
978 GSList *address_list_append(GSList *addr_list, const gchar *str)
980 return address_list_append_real(addr_list, str, TRUE);
983 GSList *address_list_append_with_comments(GSList *addr_list, const gchar *str)
985 return address_list_append_real(addr_list, str, FALSE);
988 GSList *references_list_prepend(GSList *msgid_list, const gchar *str)
992 if (!str) return msgid_list;
995 while (strp && *strp) {
996 const gchar *start, *end;
999 if ((start = strchr(strp, '<')) != NULL) {
1000 end = strchr(start + 1, '>');
1005 msgid = g_strndup(start + 1, end - start - 1);
1008 msgid_list = g_slist_prepend(msgid_list, msgid);
1018 GSList *references_list_append(GSList *msgid_list, const gchar *str)
1022 list = references_list_prepend(NULL, str);
1023 list = g_slist_reverse(list);
1024 msgid_list = g_slist_concat(msgid_list, list);
1029 GSList *newsgroup_list_append(GSList *group_list, const gchar *str)
1034 if (!str) return group_list;
1036 Xstrdup_a(work, str, return group_list);
1040 while (workp && *workp) {
1043 if ((p = strchr_with_skip_quote(workp, '"', ','))) {
1051 group_list = g_slist_append(group_list,
1060 GList *add_history(GList *list, const gchar *str)
1065 cm_return_val_if_fail(str != NULL, list);
1067 old = g_list_find_custom(list, (gpointer)str, (GCompareFunc)strcmp2);
1070 list = g_list_remove(list, old->data);
1072 } else if (g_list_length(list) >= MAX_HISTORY_SIZE) {
1075 last = g_list_last(list);
1077 oldstr = last->data;
1078 list = g_list_remove(list, last->data);
1083 list = g_list_prepend(list, g_strdup(str));
1088 void remove_return(gchar *str)
1090 register gchar *p = str;
1093 if (*p == '\n' || *p == '\r')
1094 memmove(p, p + 1, strlen(p));
1100 void remove_space(gchar *str)
1102 register gchar *p = str;
1107 while (g_ascii_isspace(*(p + spc)))
1110 memmove(p, p + spc, strlen(p + spc) + 1);
1116 void unfold_line(gchar *str)
1118 register gchar *p = str;
1122 if (*p == '\n' || *p == '\r') {
1125 while (g_ascii_isspace(*(p + spc)))
1128 memmove(p, p + spc, strlen(p + spc) + 1);
1134 void subst_char(gchar *str, gchar orig, gchar subst)
1136 register gchar *p = str;
1145 void subst_chars(gchar *str, gchar *orig, gchar subst)
1147 register gchar *p = str;
1150 if (strchr(orig, *p) != NULL)
1156 void subst_for_filename(gchar *str)
1161 subst_chars(str, "\t\r\n\\/*:", '_');
1163 subst_chars(str, "\t\r\n\\/*", '_');
1167 void subst_for_shellsafe_filename(gchar *str)
1171 subst_for_filename(str);
1172 subst_chars(str, " \"'|&;()<>'!{}[]",'_');
1175 gboolean is_ascii_str(const gchar *str)
1177 const guchar *p = (const guchar *)str;
1179 while (*p != '\0') {
1180 if (*p != '\t' && *p != ' ' &&
1181 *p != '\r' && *p != '\n' &&
1182 (*p < 32 || *p >= 127))
1190 static const gchar * line_has_quote_char_last(const gchar * str, const gchar *quote_chars)
1192 gchar * position = NULL;
1193 gchar * tmp_pos = NULL;
1196 if (quote_chars == NULL)
1199 for (i = 0; i < strlen(quote_chars); i++) {
1200 tmp_pos = strrchr (str, quote_chars[i]);
1202 || (tmp_pos != NULL && position <= tmp_pos) )
1208 gint get_quote_level(const gchar *str, const gchar *quote_chars)
1210 const gchar *first_pos;
1211 const gchar *last_pos;
1212 const gchar *p = str;
1213 gint quote_level = -1;
1215 /* speed up line processing by only searching to the last '>' */
1216 if ((first_pos = line_has_quote_char(str, quote_chars)) != NULL) {
1217 /* skip a line if it contains a '<' before the initial '>' */
1218 if (memchr(str, '<', first_pos - str) != NULL)
1220 last_pos = line_has_quote_char_last(first_pos, quote_chars);
1224 while (p <= last_pos) {
1225 while (p < last_pos) {
1226 if (g_ascii_isspace(*p))
1232 if (strchr(quote_chars, *p))
1234 else if (*p != '-' && !g_ascii_isspace(*p) && p <= last_pos) {
1235 /* any characters are allowed except '-','<' and space */
1236 while (*p != '-' && *p != '<'
1237 && !strchr(quote_chars, *p)
1238 && !g_ascii_isspace(*p)
1241 if (strchr(quote_chars, *p))
1253 gint check_line_length(const gchar *str, gint max_chars, gint *line)
1255 const gchar *p = str, *q;
1256 gint cur_line = 0, len;
1258 while ((q = strchr(p, '\n')) != NULL) {
1260 if (len > max_chars) {
1270 if (len > max_chars) {
1279 const gchar * line_has_quote_char(const gchar * str, const gchar *quote_chars)
1281 gchar * position = NULL;
1282 gchar * tmp_pos = NULL;
1285 if (quote_chars == NULL)
1288 for (i = 0; i < strlen(quote_chars); i++) {
1289 tmp_pos = strchr (str, quote_chars[i]);
1291 || (tmp_pos != NULL && position >= tmp_pos) )
1297 static gchar *strstr_with_skip_quote(const gchar *haystack, const gchar *needle)
1299 register guint haystack_len, needle_len;
1300 gboolean in_squote = FALSE, in_dquote = FALSE;
1302 haystack_len = strlen(haystack);
1303 needle_len = strlen(needle);
1305 if (haystack_len < needle_len || needle_len == 0)
1308 while (haystack_len >= needle_len) {
1309 if (!in_squote && !in_dquote &&
1310 !strncmp(haystack, needle, needle_len))
1311 return (gchar *)haystack;
1313 /* 'foo"bar"' -> foo"bar"
1314 "foo'bar'" -> foo'bar' */
1315 if (*haystack == '\'') {
1318 else if (!in_dquote)
1320 } else if (*haystack == '\"') {
1323 else if (!in_squote)
1325 } else if (*haystack == '\\') {
1337 gchar **strsplit_with_quote(const gchar *str, const gchar *delim,
1340 GSList *string_list = NULL, *slist;
1341 gchar **str_array, *s, *new_str;
1342 guint i, n = 1, len;
1344 cm_return_val_if_fail(str != NULL, NULL);
1345 cm_return_val_if_fail(delim != NULL, NULL);
1348 max_tokens = G_MAXINT;
1350 s = strstr_with_skip_quote(str, delim);
1352 guint delimiter_len = strlen(delim);
1356 new_str = g_strndup(str, len);
1358 if (new_str[0] == '\'' || new_str[0] == '\"') {
1359 if (new_str[len - 1] == new_str[0]) {
1360 new_str[len - 1] = '\0';
1361 memmove(new_str, new_str + 1, len - 1);
1364 string_list = g_slist_prepend(string_list, new_str);
1366 str = s + delimiter_len;
1367 s = strstr_with_skip_quote(str, delim);
1368 } while (--max_tokens && s);
1372 new_str = g_strdup(str);
1373 if (new_str[0] == '\'' || new_str[0] == '\"') {
1375 if (new_str[len - 1] == new_str[0]) {
1376 new_str[len - 1] = '\0';
1377 memmove(new_str, new_str + 1, len - 1);
1380 string_list = g_slist_prepend(string_list, new_str);
1384 str_array = g_new(gchar*, n);
1388 str_array[i--] = NULL;
1389 for (slist = string_list; slist; slist = slist->next)
1390 str_array[i--] = slist->data;
1392 g_slist_free(string_list);
1397 gchar *get_abbrev_newsgroup_name(const gchar *group, gint len)
1399 gchar *abbrev_group;
1401 const gchar *p = group;
1404 cm_return_val_if_fail(group != NULL, NULL);
1406 last = group + strlen(group);
1407 abbrev_group = ap = g_malloc(strlen(group) + 1);
1412 if ((ap - abbrev_group) + (last - p) > len && strchr(p, '.')) {
1414 while (*p != '.') p++;
1417 return abbrev_group;
1422 return abbrev_group;
1425 gchar *trim_string(const gchar *str, gint len)
1427 const gchar *p = str;
1432 if (!str) return NULL;
1433 if (strlen(str) <= len)
1434 return g_strdup(str);
1435 if (g_utf8_validate(str, -1, NULL) == FALSE)
1436 return g_strdup(str);
1438 while (*p != '\0') {
1439 mb_len = g_utf8_skip[*(guchar *)p];
1442 else if (new_len + mb_len > len)
1449 Xstrndup_a(new_str, str, new_len, return g_strdup(str));
1450 return g_strconcat(new_str, "...", NULL);
1453 GList *uri_list_extract_filenames(const gchar *uri_list)
1455 GList *result = NULL;
1457 gchar *escaped_utf8uri;
1463 while (g_ascii_isspace(*p)) p++;
1464 if (!strncmp(p, "file:", 5)) {
1467 while (*q && *q != '\n' && *q != '\r') q++;
1470 gchar *file, *locale_file = NULL;
1472 while (q > p && g_ascii_isspace(*q))
1474 Xalloca(escaped_utf8uri, q - p + 2,
1476 Xalloca(file, q - p + 2,
1479 strncpy(escaped_utf8uri, p, q - p + 1);
1480 escaped_utf8uri[q - p + 1] = '\0';
1481 decode_uri(file, escaped_utf8uri);
1483 * g_filename_from_uri() rejects escaped/locale encoded uri
1484 * string which come from Nautilus.
1487 if (g_utf8_validate(file, -1, NULL))
1489 = conv_codeset_strdup(
1492 conv_get_locale_charset_str());
1494 locale_file = g_strdup(file + 5);
1496 locale_file = g_filename_from_uri(file, NULL, NULL);
1498 result = g_list_append(result, locale_file);
1502 p = strchr(p, '\n');
1509 /* Converts two-digit hexadecimal to decimal. Used for unescaping escaped
1512 static gint axtoi(const gchar *hexstr)
1514 gint hi, lo, result;
1517 if ('0' <= hi && hi <= '9') {
1520 if ('a' <= hi && hi <= 'f') {
1523 if ('A' <= hi && hi <= 'F') {
1528 if ('0' <= lo && lo <= '9') {
1531 if ('a' <= lo && lo <= 'f') {
1534 if ('A' <= lo && lo <= 'F') {
1537 result = lo + (16 * hi);
1541 gboolean is_uri_string(const gchar *str)
1543 while (str && *str && g_ascii_isspace(*str))
1545 return (g_ascii_strncasecmp(str, "http://", 7) == 0 ||
1546 g_ascii_strncasecmp(str, "https://", 8) == 0 ||
1547 g_ascii_strncasecmp(str, "ftp://", 6) == 0 ||
1548 g_ascii_strncasecmp(str, "www.", 4) == 0);
1551 gchar *get_uri_path(const gchar *uri)
1553 while (uri && *uri && g_ascii_isspace(*uri))
1555 if (g_ascii_strncasecmp(uri, "http://", 7) == 0)
1556 return (gchar *)(uri + 7);
1557 else if (g_ascii_strncasecmp(uri, "https://", 8) == 0)
1558 return (gchar *)(uri + 8);
1559 else if (g_ascii_strncasecmp(uri, "ftp://", 6) == 0)
1560 return (gchar *)(uri + 6);
1562 return (gchar *)uri;
1565 gint get_uri_len(const gchar *str)
1569 if (is_uri_string(str)) {
1570 for (p = str; *p != '\0'; p++) {
1571 if (!g_ascii_isgraph(*p) || strchr("()<>\"", *p))
1580 /* Decodes URL-Encoded strings (i.e. strings in which spaces are replaced by
1581 * plusses, and escape characters are used)
1583 void decode_uri_with_plus(gchar *decoded_uri, const gchar *encoded_uri, gboolean with_plus)
1585 gchar *dec = decoded_uri;
1586 const gchar *enc = encoded_uri;
1591 if (isxdigit((guchar)enc[0]) &&
1592 isxdigit((guchar)enc[1])) {
1598 if (with_plus && *enc == '+')
1610 void decode_uri(gchar *decoded_uri, const gchar *encoded_uri)
1612 decode_uri_with_plus(decoded_uri, encoded_uri, TRUE);
1615 static gchar *decode_uri_gdup(const gchar *encoded_uri)
1617 gchar *buffer = g_malloc(strlen(encoded_uri)+1);
1618 decode_uri_with_plus(buffer, encoded_uri, FALSE);
1622 gint scan_mailto_url(const gchar *mailto, gchar **from, gchar **to, gchar **cc, gchar **bcc,
1623 gchar **subject, gchar **body, gchar ***attach, gchar **inreplyto)
1627 const gchar *forbidden_uris[] = { ".gnupg/",
1633 gint num_attach = 0;
1634 gchar **my_att = NULL;
1636 Xstrdup_a(tmp_mailto, mailto, return -1);
1638 if (!strncmp(tmp_mailto, "mailto:", 7))
1641 p = strchr(tmp_mailto, '?');
1648 *to = decode_uri_gdup(tmp_mailto);
1650 my_att = g_malloc(sizeof(char *));
1654 gchar *field, *value;
1671 if (*value == '\0') continue;
1673 if (from && !g_ascii_strcasecmp(field, "from")) {
1675 *from = decode_uri_gdup(value);
1677 gchar *tmp = decode_uri_gdup(value);
1678 gchar *new_from = g_strdup_printf("%s, %s", *from, tmp);
1682 } else if (cc && !g_ascii_strcasecmp(field, "cc")) {
1684 *cc = decode_uri_gdup(value);
1686 gchar *tmp = decode_uri_gdup(value);
1687 gchar *new_cc = g_strdup_printf("%s, %s", *cc, tmp);
1691 } else if (bcc && !g_ascii_strcasecmp(field, "bcc")) {
1693 *bcc = decode_uri_gdup(value);
1695 gchar *tmp = decode_uri_gdup(value);
1696 gchar *new_bcc = g_strdup_printf("%s, %s", *bcc, tmp);
1700 } else if (subject && !*subject &&
1701 !g_ascii_strcasecmp(field, "subject")) {
1702 *subject = decode_uri_gdup(value);
1703 } else if (body && !*body && !g_ascii_strcasecmp(field, "body")) {
1704 *body = decode_uri_gdup(value);
1705 } else if (body && !*body && !g_ascii_strcasecmp(field, "insert")) {
1706 gchar *tmp = decode_uri_gdup(value);
1707 if (!g_file_get_contents(tmp, body, NULL, NULL)) {
1708 g_warning("Error: couldn't set insert file '%s' in body\n", value);
1712 } else if (attach && !g_ascii_strcasecmp(field, "attach")) {
1714 gchar *tmp = decode_uri_gdup(value);
1715 for (; forbidden_uris[i]; i++) {
1716 if (strstr(tmp, forbidden_uris[i])) {
1717 g_print("Refusing to attach '%s', potential private data leak\n",
1725 /* attach is correct */
1727 my_att = g_realloc(my_att, (sizeof(char *))*(num_attach+1));
1728 my_att[num_attach-1] = tmp;
1729 my_att[num_attach] = NULL;
1731 } else if (inreplyto && !*inreplyto &&
1732 !g_ascii_strcasecmp(field, "in-reply-to")) {
1733 *inreplyto = decode_uri_gdup(value);
1744 #include <windows.h>
1745 #ifndef CSIDL_APPDATA
1746 #define CSIDL_APPDATA 0x001a
1748 #ifndef CSIDL_LOCAL_APPDATA
1749 #define CSIDL_LOCAL_APPDATA 0x001c
1751 #ifndef CSIDL_FLAG_CREATE
1752 #define CSIDL_FLAG_CREATE 0x8000
1754 #define DIM(v) (sizeof(v)/sizeof((v)[0]))
1758 w32_strerror (int w32_errno)
1760 static char strerr[256];
1761 int ec = (int)GetLastError ();
1765 FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM, NULL, w32_errno,
1766 MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
1767 strerr, DIM (strerr)-1, NULL);
1771 static __inline__ void *
1772 dlopen (const char * name, int flag)
1774 void * hd = LoadLibrary (name);
1778 static __inline__ void *
1779 dlsym (void * hd, const char * sym)
1783 void * fnc = GetProcAddress (hd, sym);
1792 static __inline__ const char *
1795 return w32_strerror (0);
1799 static __inline__ int
1811 w32_shgetfolderpath (HWND a, int b, HANDLE c, DWORD d, LPSTR e)
1813 static int initialized;
1814 static HRESULT (WINAPI * func)(HWND,int,HANDLE,DWORD,LPSTR);
1818 static char *dllnames[] = { "shell32.dll", "shfolder.dll", NULL };
1824 for (i=0, handle = NULL; !handle && dllnames[i]; i++)
1826 handle = dlopen (dllnames[i], RTLD_LAZY);
1829 func = dlsym (handle, "SHGetFolderPathW");
1840 return func (a,b,c,d,e);
1845 /* Returns a static string with the directroy from which the module
1846 has been loaded. Returns an empty string on error. */
1847 static char *w32_get_module_dir(void)
1849 static char *moddir;
1852 char name[MAX_PATH+10];
1855 if ( !GetModuleFileNameA (0, name, sizeof (name)-10) )
1858 p = strrchr (name, '\\');
1864 moddir = g_strdup (name);
1868 #endif /* G_OS_WIN32 */
1870 /* Return a static string with the locale dir. */
1871 const gchar *get_locale_dir(void)
1873 static gchar *loc_dir;
1877 loc_dir = g_strconcat(w32_get_module_dir(), G_DIR_SEPARATOR_S,
1878 "\\share\\locale", NULL);
1881 loc_dir = LOCALEDIR;
1887 const gchar *get_home_dir(void)
1890 static char home_dir_utf16[MAX_PATH] = "";
1891 static gchar *home_dir_utf8 = NULL;
1892 if (home_dir_utf16[0] == '\0') {
1893 if (w32_shgetfolderpath
1894 (NULL, CSIDL_APPDATA|CSIDL_FLAG_CREATE,
1895 NULL, 0, home_dir_utf16) < 0)
1896 strcpy (home_dir_utf16, "C:\\Sylpheed");
1897 home_dir_utf8 = g_utf16_to_utf8 ((const gunichar *)home_dir_utf16, -1, NULL, NULL, NULL);
1899 return home_dir_utf8;
1901 static const gchar *homeenv = NULL;
1906 if (!homeenv && g_getenv("HOME") != NULL)
1907 homeenv = g_strdup(g_getenv("HOME"));
1909 homeenv = g_get_home_dir();
1915 static gchar *claws_rc_dir = NULL;
1916 static gboolean rc_dir_alt = FALSE;
1917 const gchar *get_rc_dir(void)
1920 if (!claws_rc_dir) {
1921 claws_rc_dir = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
1923 debug_print("using default rc_dir %s\n", claws_rc_dir);
1925 return claws_rc_dir;
1928 void set_rc_dir(const gchar *dir)
1930 gchar *canonical_dir;
1931 if (claws_rc_dir != NULL) {
1932 g_print("Error: rc_dir already set\n");
1934 int err = cm_canonicalize_filename(dir, &canonical_dir);
1938 g_print("Error looking for %s: %d(%s)\n",
1939 dir, -err, strerror(-err));
1944 claws_rc_dir = canonical_dir;
1946 len = strlen(claws_rc_dir);
1947 if (claws_rc_dir[len - 1] == G_DIR_SEPARATOR)
1948 claws_rc_dir[len - 1] = '\0';
1950 debug_print("set rc_dir to %s\n", claws_rc_dir);
1951 if (!is_dir_exist(claws_rc_dir)) {
1952 if (make_dir_hier(claws_rc_dir) != 0) {
1953 g_print("Error: can't create %s\n",
1961 gboolean rc_dir_is_alt(void) {
1965 const gchar *get_mail_base_dir(void)
1967 return get_home_dir();
1970 const gchar *get_news_cache_dir(void)
1972 static gchar *news_cache_dir = NULL;
1973 if (!news_cache_dir)
1974 news_cache_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1975 NEWS_CACHE_DIR, NULL);
1977 return news_cache_dir;
1980 const gchar *get_imap_cache_dir(void)
1982 static gchar *imap_cache_dir = NULL;
1984 if (!imap_cache_dir)
1985 imap_cache_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1986 IMAP_CACHE_DIR, NULL);
1988 return imap_cache_dir;
1991 const gchar *get_mime_tmp_dir(void)
1993 static gchar *mime_tmp_dir = NULL;
1996 mime_tmp_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1997 MIME_TMP_DIR, NULL);
1999 return mime_tmp_dir;
2002 const gchar *get_template_dir(void)
2004 static gchar *template_dir = NULL;
2007 template_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2008 TEMPLATE_DIR, NULL);
2010 return template_dir;
2014 const gchar *get_cert_file(void)
2016 const gchar *cert_file = NULL;
2018 cert_file = g_strconcat(w32_get_module_dir(),
2019 "\\share\\claws-mail\\",
2020 "ca-certificates.crt",
2026 /* Return the filepath of the claws-mail.desktop file */
2027 const gchar *get_desktop_file(void)
2029 #ifdef DESKTOPFILEPATH
2030 return DESKTOPFILEPATH;
2036 /* Return the default directory for Plugins. */
2037 const gchar *get_plugin_dir(void)
2040 static gchar *plugin_dir = NULL;
2043 plugin_dir = g_strconcat(w32_get_module_dir(),
2044 "\\lib\\claws-mail\\plugins\\",
2048 if (is_dir_exist(PLUGINDIR))
2051 static gchar *plugin_dir = NULL;
2053 plugin_dir = g_strconcat(get_rc_dir(),
2054 G_DIR_SEPARATOR_S, "plugins",
2055 G_DIR_SEPARATOR_S, NULL);
2063 /* Return the default directory for Themes. */
2064 const gchar *get_themes_dir(void)
2066 static gchar *themes_dir = NULL;
2069 themes_dir = g_strconcat(w32_get_module_dir(),
2070 "\\share\\claws-mail\\themes",
2076 const gchar *get_tmp_dir(void)
2078 static gchar *tmp_dir = NULL;
2081 tmp_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2087 gchar *get_tmp_file(void)
2090 static guint32 id = 0;
2092 tmp_file = g_strdup_printf("%s%ctmpfile.%08x",
2093 get_tmp_dir(), G_DIR_SEPARATOR, id++);
2098 const gchar *get_domain_name(void)
2101 static gchar *domain_name = NULL;
2107 if (gethostname(hostname, sizeof(hostname)) != 0) {
2108 perror("gethostname");
2109 domain_name = "localhost";
2111 hostname[sizeof(hostname) - 1] = '\0';
2112 if ((hp = my_gethostbyname(hostname)) == NULL) {
2113 perror("gethostbyname");
2114 domain_name = g_strdup(hostname);
2116 domain_name = g_strdup(hp->h_name);
2119 debug_print("domain name = %s\n", domain_name);
2128 off_t get_file_size(const gchar *file)
2132 if (g_stat(file, &s) < 0) {
2133 FILE_OP_ERROR(file, "stat");
2140 time_t get_file_mtime(const gchar *file)
2144 if (g_stat(file, &s) < 0) {
2145 FILE_OP_ERROR(file, "stat");
2152 off_t get_file_size_as_crlf(const gchar *file)
2156 gchar buf[BUFFSIZE];
2158 if ((fp = g_fopen(file, "rb")) == NULL) {
2159 FILE_OP_ERROR(file, "g_fopen");
2163 while (fgets(buf, sizeof(buf), fp) != NULL) {
2165 size += strlen(buf) + 2;
2169 FILE_OP_ERROR(file, "fgets");
2178 gboolean file_exist(const gchar *file, gboolean allow_fifo)
2185 if (g_stat(file, &s) < 0) {
2186 if (ENOENT != errno) FILE_OP_ERROR(file, "stat");
2190 if (S_ISREG(s.st_mode) || (allow_fifo && S_ISFIFO(s.st_mode)))
2197 /* Test on whether FILE is a relative file name. This is
2198 * straightforward for Unix but more complex for Windows. */
2199 gboolean is_relative_filename(const gchar *file)
2204 if ( *file == '\\' && file[1] == '\\' && strchr (file+2, '\\') )
2205 return FALSE; /* Prefixed with a hostname - this can't
2206 * be a relative name. */
2208 if ( ((*file >= 'a' && *file <= 'z')
2209 || (*file >= 'A' && *file <= 'Z'))
2211 file += 2; /* Skip drive letter. */
2213 return !(*file == '\\' || *file == '/');
2215 return !(*file == G_DIR_SEPARATOR);
2220 gboolean is_dir_exist(const gchar *dir)
2225 return g_file_test(dir, G_FILE_TEST_IS_DIR);
2228 gboolean is_file_entry_exist(const gchar *file)
2233 return g_file_test(file, G_FILE_TEST_EXISTS);
2236 gboolean dirent_is_regular_file(struct dirent *d)
2238 #if !defined(G_OS_WIN32) && defined(HAVE_DIRENT_D_TYPE)
2239 if (d->d_type == DT_REG)
2241 else if (d->d_type != DT_UNKNOWN)
2245 return g_file_test(d->d_name, G_FILE_TEST_IS_REGULAR);
2248 gint change_dir(const gchar *dir)
2250 gchar *prevdir = NULL;
2253 prevdir = g_get_current_dir();
2255 if (g_chdir(dir) < 0) {
2256 FILE_OP_ERROR(dir, "chdir");
2257 if (debug_mode) g_free(prevdir);
2259 } else if (debug_mode) {
2262 cwd = g_get_current_dir();
2263 if (strcmp(prevdir, cwd) != 0)
2264 g_print("current dir: %s\n", cwd);
2272 gint make_dir(const gchar *dir)
2274 if (g_mkdir(dir, S_IRWXU) < 0) {
2275 FILE_OP_ERROR(dir, "mkdir");
2278 if (g_chmod(dir, S_IRWXU) < 0)
2279 FILE_OP_ERROR(dir, "chmod");
2284 gint make_dir_hier(const gchar *dir)
2289 for (p = dir; (p = strchr(p, G_DIR_SEPARATOR)) != NULL; p++) {
2290 parent_dir = g_strndup(dir, p - dir);
2291 if (*parent_dir != '\0') {
2292 if (!is_dir_exist(parent_dir)) {
2293 if (make_dir(parent_dir) < 0) {
2302 if (!is_dir_exist(dir)) {
2303 if (make_dir(dir) < 0)
2310 gint remove_all_files(const gchar *dir)
2313 const gchar *dir_name;
2316 prev_dir = g_get_current_dir();
2318 if (g_chdir(dir) < 0) {
2319 FILE_OP_ERROR(dir, "chdir");
2324 if ((dp = g_dir_open(".", 0, NULL)) == NULL) {
2325 g_warning("failed to open directory: %s\n", dir);
2330 while ((dir_name = g_dir_read_name(dp)) != NULL) {
2331 if (claws_unlink(dir_name) < 0)
2332 FILE_OP_ERROR(dir_name, "unlink");
2337 if (g_chdir(prev_dir) < 0) {
2338 FILE_OP_ERROR(prev_dir, "chdir");
2348 gint remove_numbered_files(const gchar *dir, guint first, guint last)
2351 const gchar *dir_name;
2355 if (first == last) {
2356 /* Skip all the dir reading part. */
2357 gchar *filename = g_strdup_printf("%s%s%u", dir, G_DIR_SEPARATOR_S, first);
2358 if (claws_unlink(filename) < 0) {
2359 FILE_OP_ERROR(filename, "unlink");
2367 prev_dir = g_get_current_dir();
2369 if (g_chdir(dir) < 0) {
2370 FILE_OP_ERROR(dir, "chdir");
2375 if ((dp = g_dir_open(".", 0, NULL)) == NULL) {
2376 g_warning("failed to open directory: %s\n", dir);
2381 while ((dir_name = g_dir_read_name(dp)) != NULL) {
2382 file_no = to_number(dir_name);
2383 if (file_no > 0 && first <= file_no && file_no <= last) {
2384 if (is_dir_exist(dir_name))
2386 if (claws_unlink(dir_name) < 0)
2387 FILE_OP_ERROR(dir_name, "unlink");
2393 if (g_chdir(prev_dir) < 0) {
2394 FILE_OP_ERROR(prev_dir, "chdir");
2404 gint remove_numbered_files_not_in_list(const gchar *dir, GSList *numberlist)
2407 const gchar *dir_name;
2410 GHashTable *wanted_files;
2413 if (numberlist == NULL)
2416 prev_dir = g_get_current_dir();
2418 if (g_chdir(dir) < 0) {
2419 FILE_OP_ERROR(dir, "chdir");
2424 if ((dp = g_dir_open(".", 0, NULL)) == NULL) {
2425 FILE_OP_ERROR(dir, "opendir");
2430 wanted_files = g_hash_table_new(g_direct_hash, g_direct_equal);
2431 for (cur = numberlist; cur != NULL; cur = cur->next) {
2432 /* numberlist->data is expected to be GINT_TO_POINTER */
2433 g_hash_table_insert(wanted_files, cur->data, GINT_TO_POINTER(1));
2436 while ((dir_name = g_dir_read_name(dp)) != NULL) {
2437 file_no = to_number(dir_name);
2438 if (is_dir_exist(dir_name))
2440 if (file_no > 0 && g_hash_table_lookup(wanted_files, GINT_TO_POINTER(file_no)) == NULL) {
2441 debug_print("removing unwanted file %d from %s\n", file_no, dir);
2442 if (claws_unlink(dir_name) < 0)
2443 FILE_OP_ERROR(dir_name, "unlink");
2448 g_hash_table_destroy(wanted_files);
2450 if (g_chdir(prev_dir) < 0) {
2451 FILE_OP_ERROR(prev_dir, "chdir");
2461 gint remove_all_numbered_files(const gchar *dir)
2463 return remove_numbered_files(dir, 0, UINT_MAX);
2466 gint remove_dir_recursive(const gchar *dir)
2470 const gchar *dir_name;
2473 if (g_stat(dir, &s) < 0) {
2474 FILE_OP_ERROR(dir, "stat");
2475 if (ENOENT == errno) return 0;
2479 if (!S_ISDIR(s.st_mode)) {
2480 if (claws_unlink(dir) < 0) {
2481 FILE_OP_ERROR(dir, "unlink");
2488 prev_dir = g_get_current_dir();
2489 /* g_print("prev_dir = %s\n", prev_dir); */
2491 if (!path_cmp(prev_dir, dir)) {
2493 if (g_chdir("..") < 0) {
2494 FILE_OP_ERROR(dir, "chdir");
2497 prev_dir = g_get_current_dir();
2500 if (g_chdir(dir) < 0) {
2501 FILE_OP_ERROR(dir, "chdir");
2506 if ((dp = g_dir_open(".", 0, NULL)) == NULL) {
2507 g_warning("failed to open directory: %s\n", dir);
2513 /* remove all files in the directory */
2514 while ((dir_name = g_dir_read_name(dp)) != NULL) {
2515 /* g_print("removing %s\n", dir_name); */
2517 if (is_dir_exist(dir_name)) {
2518 if (remove_dir_recursive(dir_name) < 0) {
2519 g_warning("can't remove directory\n");
2523 if (claws_unlink(dir_name) < 0)
2524 FILE_OP_ERROR(dir_name, "unlink");
2530 if (g_chdir(prev_dir) < 0) {
2531 FILE_OP_ERROR(prev_dir, "chdir");
2538 if (g_rmdir(dir) < 0) {
2539 FILE_OP_ERROR(dir, "rmdir");
2546 gint rename_force(const gchar *oldpath, const gchar *newpath)
2549 if (!is_file_entry_exist(oldpath)) {
2553 if (is_file_exist(newpath)) {
2554 if (claws_unlink(newpath) < 0)
2555 FILE_OP_ERROR(newpath, "unlink");
2558 return g_rename(oldpath, newpath);
2562 * Append src file body to the tail of dest file.
2563 * Now keep_backup has no effects.
2565 gint append_file(const gchar *src, const gchar *dest, gboolean keep_backup)
2567 FILE *src_fp, *dest_fp;
2571 gboolean err = FALSE;
2573 if ((src_fp = g_fopen(src, "rb")) == NULL) {
2574 FILE_OP_ERROR(src, "g_fopen");
2578 if ((dest_fp = g_fopen(dest, "ab")) == NULL) {
2579 FILE_OP_ERROR(dest, "g_fopen");
2584 if (change_file_mode_rw(dest_fp, dest) < 0) {
2585 FILE_OP_ERROR(dest, "chmod");
2586 g_warning("can't change file mode\n");
2589 while ((n_read = fread(buf, sizeof(gchar), sizeof(buf), src_fp)) > 0) {
2590 if (n_read < sizeof(buf) && ferror(src_fp))
2592 if (fwrite(buf, 1, n_read, dest_fp) < n_read) {
2593 g_warning("writing to %s failed.\n", dest);
2601 if (ferror(src_fp)) {
2602 FILE_OP_ERROR(src, "fread");
2606 if (fclose(dest_fp) == EOF) {
2607 FILE_OP_ERROR(dest, "fclose");
2619 gint copy_file(const gchar *src, const gchar *dest, gboolean keep_backup)
2621 FILE *src_fp, *dest_fp;
2624 gchar *dest_bak = NULL;
2625 gboolean err = FALSE;
2627 if ((src_fp = g_fopen(src, "rb")) == NULL) {
2628 FILE_OP_ERROR(src, "g_fopen");
2631 if (is_file_exist(dest)) {
2632 dest_bak = g_strconcat(dest, ".bak", NULL);
2633 if (rename_force(dest, dest_bak) < 0) {
2634 FILE_OP_ERROR(dest, "rename");
2641 if ((dest_fp = g_fopen(dest, "wb")) == NULL) {
2642 FILE_OP_ERROR(dest, "g_fopen");
2645 if (rename_force(dest_bak, dest) < 0)
2646 FILE_OP_ERROR(dest_bak, "rename");
2652 if (change_file_mode_rw(dest_fp, dest) < 0) {
2653 FILE_OP_ERROR(dest, "chmod");
2654 g_warning("can't change file mode\n");
2657 while ((n_read = fread(buf, sizeof(gchar), sizeof(buf), src_fp)) > 0) {
2658 if (n_read < sizeof(buf) && ferror(src_fp))
2660 if (fwrite(buf, 1, n_read, dest_fp) < n_read) {
2661 g_warning("writing to %s failed.\n", dest);
2666 if (rename_force(dest_bak, dest) < 0)
2667 FILE_OP_ERROR(dest_bak, "rename");
2674 if (ferror(src_fp)) {
2675 FILE_OP_ERROR(src, "fread");
2679 if (fclose(dest_fp) == EOF) {
2680 FILE_OP_ERROR(dest, "fclose");
2687 if (rename_force(dest_bak, dest) < 0)
2688 FILE_OP_ERROR(dest_bak, "rename");
2694 if (keep_backup == FALSE && dest_bak)
2695 claws_unlink(dest_bak);
2702 gint move_file(const gchar *src, const gchar *dest, gboolean overwrite)
2704 if (overwrite == FALSE && is_file_exist(dest)) {
2705 g_warning("move_file(): file %s already exists.", dest);
2709 if (rename_force(src, dest) == 0) return 0;
2711 if (EXDEV != errno) {
2712 FILE_OP_ERROR(src, "rename");
2716 if (copy_file(src, dest, FALSE) < 0) return -1;
2723 gint copy_file_part_to_fp(FILE *fp, off_t offset, size_t length, FILE *dest_fp)
2726 gint bytes_left, to_read;
2729 if (fseek(fp, offset, SEEK_SET) < 0) {
2734 bytes_left = length;
2735 to_read = MIN(bytes_left, sizeof(buf));
2737 while ((n_read = fread(buf, sizeof(gchar), to_read, fp)) > 0) {
2738 if (n_read < to_read && ferror(fp))
2740 if (fwrite(buf, 1, n_read, dest_fp) < n_read) {
2743 bytes_left -= n_read;
2744 if (bytes_left == 0)
2746 to_read = MIN(bytes_left, sizeof(buf));
2757 gint copy_file_part(FILE *fp, off_t offset, size_t length, const gchar *dest)
2760 gboolean err = FALSE;
2762 if ((dest_fp = g_fopen(dest, "wb")) == NULL) {
2763 FILE_OP_ERROR(dest, "g_fopen");
2767 if (change_file_mode_rw(dest_fp, dest) < 0) {
2768 FILE_OP_ERROR(dest, "chmod");
2769 g_warning("can't change file mode\n");
2772 if (copy_file_part_to_fp(fp, offset, length, dest_fp) < 0)
2775 if (!err && fclose(dest_fp) == EOF) {
2776 FILE_OP_ERROR(dest, "fclose");
2781 g_warning("writing to %s failed.\n", dest);
2789 /* convert line endings into CRLF. If the last line doesn't end with
2790 * linebreak, add it.
2792 gchar *canonicalize_str(const gchar *str)
2798 for (p = str; *p != '\0'; ++p) {
2805 if (p == str || *(p - 1) != '\n')
2808 out = outp = g_malloc(new_len + 1);
2809 for (p = str; *p != '\0'; ++p) {
2816 if (p == str || *(p - 1) != '\n') {
2825 gint canonicalize_file(const gchar *src, const gchar *dest)
2827 FILE *src_fp, *dest_fp;
2828 gchar buf[BUFFSIZE];
2830 gboolean err = FALSE;
2831 gboolean last_linebreak = FALSE;
2833 if (src == NULL || dest == NULL)
2836 if ((src_fp = g_fopen(src, "rb")) == NULL) {
2837 FILE_OP_ERROR(src, "g_fopen");
2841 if ((dest_fp = g_fopen(dest, "wb")) == NULL) {
2842 FILE_OP_ERROR(dest, "g_fopen");
2847 if (change_file_mode_rw(dest_fp, dest) < 0) {
2848 FILE_OP_ERROR(dest, "chmod");
2849 g_warning("can't change file mode\n");
2852 while (fgets(buf, sizeof(buf), src_fp) != NULL) {
2856 if (len == 0) break;
2857 last_linebreak = FALSE;
2859 if (buf[len - 1] != '\n') {
2860 last_linebreak = TRUE;
2861 r = fputs(buf, dest_fp);
2862 } else if (len > 1 && buf[len - 1] == '\n' && buf[len - 2] == '\r') {
2863 r = fputs(buf, dest_fp);
2866 r = fwrite(buf, 1, len - 1, dest_fp);
2871 r = fputs("\r\n", dest_fp);
2875 g_warning("writing to %s failed.\n", dest);
2883 if (last_linebreak == TRUE) {
2884 if (fputs("\r\n", dest_fp) == EOF)
2888 if (ferror(src_fp)) {
2889 FILE_OP_ERROR(src, "fgets");
2893 if (fclose(dest_fp) == EOF) {
2894 FILE_OP_ERROR(dest, "fclose");
2906 gint canonicalize_file_replace(const gchar *file)
2910 tmp_file = get_tmp_file();
2912 if (canonicalize_file(file, tmp_file) < 0) {
2917 if (move_file(tmp_file, file, TRUE) < 0) {
2918 g_warning("can't replace %s .\n", file);
2919 claws_unlink(tmp_file);
2928 gchar *normalize_newlines(const gchar *str)
2933 out = outp = g_malloc(strlen(str) + 1);
2934 for (p = str; *p != '\0'; ++p) {
2936 if (*(p + 1) != '\n')
2947 gchar *get_outgoing_rfc2822_str(FILE *fp)
2949 gchar buf[BUFFSIZE];
2953 str = g_string_new(NULL);
2955 /* output header part */
2956 while (fgets(buf, sizeof(buf), fp) != NULL) {
2958 if (!g_ascii_strncasecmp(buf, "Bcc:", 4)) {
2965 else if (next != ' ' && next != '\t') {
2969 if (fgets(buf, sizeof(buf), fp) == NULL)
2973 g_string_append(str, buf);
2974 g_string_append(str, "\r\n");
2980 /* output body part */
2981 while (fgets(buf, sizeof(buf), fp) != NULL) {
2984 g_string_append_c(str, '.');
2985 g_string_append(str, buf);
2986 g_string_append(str, "\r\n");
2990 g_string_free(str, FALSE);
2996 * Create a new boundary in a way that it is very unlikely that this
2997 * will occur in the following text. It would be easy to ensure
2998 * uniqueness if everything is either quoted-printable or base64
2999 * encoded (note that conversion is allowed), but because MIME bodies
3000 * may be nested, it may happen that the same boundary has already
3003 * boundary := 0*69<bchars> bcharsnospace
3004 * bchars := bcharsnospace / " "
3005 * bcharsnospace := DIGIT / ALPHA / "'" / "(" / ")" /
3006 * "+" / "_" / "," / "-" / "." /
3007 * "/" / ":" / "=" / "?"
3009 * some special characters removed because of buggy MTAs
3012 gchar *generate_mime_boundary(const gchar *prefix)
3014 static gchar tbl[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
3015 "abcdefghijklmnopqrstuvwxyz"
3020 for (i = 0; i < sizeof(buf_uniq) - 1; i++)
3021 buf_uniq[i] = tbl[g_random_int_range(0, sizeof(tbl) - 1)];
3024 return g_strdup_printf("%s_/%s", prefix ? prefix : "MP",
3028 gint change_file_mode_rw(FILE *fp, const gchar *file)
3031 return fchmod(fileno(fp), S_IRUSR|S_IWUSR);
3033 return g_chmod(file, S_IRUSR|S_IWUSR);
3037 FILE *my_tmpfile(void)
3039 #if HAVE_MKSTEMP || defined(G_OS_WIN32)
3040 const gchar suffix[] = ".XXXXXX";
3041 const gchar *tmpdir;
3043 const gchar *progname;
3052 tmpdir = get_tmp_dir();
3053 tmplen = strlen(tmpdir);
3054 progname = g_get_prgname();
3055 if (progname == NULL)
3056 progname = "claws-mail";
3057 proglen = strlen(progname);
3058 Xalloca(fname, tmplen + 1 + proglen + sizeof(suffix),
3061 memcpy(fname, tmpdir, tmplen);
3062 fname[tmplen] = G_DIR_SEPARATOR;
3063 memcpy(fname + tmplen + 1, progname, proglen);
3064 memcpy(fname + tmplen + 1 + proglen, suffix, sizeof(suffix));
3066 fd = mkstemp(fname);
3071 claws_unlink(fname);
3073 /* verify that we can write in the file after unlinking */
3074 if (write(fd, buf, 1) < 0) {
3081 fp = fdopen(fd, "w+b");
3089 #endif /* HAVE_MKSTEMP || G_OS_WIN32 */
3094 FILE *get_tmpfile_in_dir(const gchar *dir, gchar **filename)
3098 char *template = g_strdup_printf ("%s%cclaws.XXXXXX",
3099 dir, G_DIR_SEPARATOR);
3100 fd = mkstemp_name(template, filename);
3103 *filename = g_strdup_printf("%s%cclaws.XXXXXX", dir, G_DIR_SEPARATOR);
3104 fd = mkstemp(*filename);
3106 return fdopen(fd, "w+");
3109 FILE *str_open_as_stream(const gchar *str)
3114 cm_return_val_if_fail(str != NULL, NULL);
3118 FILE_OP_ERROR("str_open_as_stream", "my_tmpfile");
3123 if (len == 0) return fp;
3125 if (fwrite(str, 1, len, fp) != len) {
3126 FILE_OP_ERROR("str_open_as_stream", "fwrite");
3135 gint str_write_to_file(const gchar *str, const gchar *file)
3140 cm_return_val_if_fail(str != NULL, -1);
3141 cm_return_val_if_fail(file != NULL, -1);
3143 if ((fp = g_fopen(file, "wb")) == NULL) {
3144 FILE_OP_ERROR(file, "g_fopen");
3154 if (fwrite(str, 1, len, fp) != len) {
3155 FILE_OP_ERROR(file, "fwrite");
3161 if (fclose(fp) == EOF) {
3162 FILE_OP_ERROR(file, "fclose");
3170 static gchar *file_read_stream_to_str_full(FILE *fp, gboolean recode)
3177 cm_return_val_if_fail(fp != NULL, NULL);
3179 array = g_byte_array_new();
3181 while ((n_read = fread(buf, sizeof(gchar), sizeof(buf), fp)) > 0) {
3182 if (n_read < sizeof(buf) && ferror(fp))
3184 g_byte_array_append(array, buf, n_read);
3188 FILE_OP_ERROR("file stream", "fread");
3189 g_byte_array_free(array, TRUE);
3194 g_byte_array_append(array, buf, 1);
3195 str = (gchar *)array->data;
3196 g_byte_array_free(array, FALSE);
3198 if (recode && !g_utf8_validate(str, -1, NULL)) {
3199 const gchar *src_codeset, *dest_codeset;
3201 src_codeset = conv_get_locale_charset_str();
3202 dest_codeset = CS_UTF_8;
3203 tmp = conv_codeset_strdup(str, src_codeset, dest_codeset);
3211 static gchar *file_read_to_str_full(const gchar *file, gboolean recode)
3218 struct timeval timeout = {1, 0};
3223 cm_return_val_if_fail(file != NULL, NULL);
3225 if (g_stat(file, &s) != 0) {
3226 FILE_OP_ERROR(file, "stat");
3229 if (S_ISDIR(s.st_mode)) {
3230 g_warning("%s: is a directory\n", file);
3235 fp = g_fopen (file, "rb");
3237 FILE_OP_ERROR(file, "open");
3241 /* test whether the file is readable without blocking */
3242 fd = g_open(file, O_RDONLY | O_NONBLOCK, 0);
3244 FILE_OP_ERROR(file, "open");
3251 /* allow for one second */
3252 err = select(fd+1, &fds, NULL, NULL, &timeout);
3253 if (err <= 0 || !FD_ISSET(fd, &fds)) {
3255 FILE_OP_ERROR(file, "select");
3257 g_warning("%s: doesn't seem readable\n", file);
3263 /* Now clear O_NONBLOCK */
3264 if ((fflags = fcntl(fd, F_GETFL)) < 0) {
3265 FILE_OP_ERROR(file, "fcntl (F_GETFL)");
3269 if (fcntl(fd, F_SETFL, (fflags & ~O_NONBLOCK)) < 0) {
3270 FILE_OP_ERROR(file, "fcntl (F_SETFL)");
3275 /* get the FILE pointer */
3276 fp = fdopen(fd, "rb");
3279 FILE_OP_ERROR(file, "fdopen");
3280 close(fd); /* if fp isn't NULL, we'll use fclose instead! */
3285 str = file_read_stream_to_str_full(fp, recode);
3292 gchar *file_read_to_str(const gchar *file)
3294 return file_read_to_str_full(file, TRUE);
3296 gchar *file_read_stream_to_str(FILE *fp)
3298 return file_read_stream_to_str_full(fp, TRUE);
3301 gchar *file_read_to_str_no_recode(const gchar *file)
3303 return file_read_to_str_full(file, FALSE);
3305 gchar *file_read_stream_to_str_no_recode(FILE *fp)
3307 return file_read_stream_to_str_full(fp, FALSE);
3310 char *fgets_crlf(char *buf, int size, FILE *stream)
3312 gboolean is_cr = FALSE;
3313 gboolean last_was_cr = FALSE;
3318 while (--size > 0 && (c = getc(stream)) != EOF)
3321 is_cr = (c == '\r');
3331 last_was_cr = is_cr;
3333 if (c == EOF && cs == buf)
3341 static gint execute_async(gchar *const argv[])
3343 cm_return_val_if_fail(argv != NULL && argv[0] != NULL, -1);
3345 if (g_spawn_async(NULL, (gchar **)argv, NULL, G_SPAWN_SEARCH_PATH,
3346 NULL, NULL, NULL, FALSE) == FALSE) {
3347 g_warning("Couldn't execute command: %s\n", argv[0]);
3354 static gint execute_sync(gchar *const argv[])
3358 cm_return_val_if_fail(argv != NULL && argv[0] != NULL, -1);
3361 if (g_spawn_sync(NULL, (gchar **)argv, NULL, G_SPAWN_SEARCH_PATH,
3362 NULL, NULL, NULL, NULL, &status, NULL) == FALSE) {
3363 g_warning("Couldn't execute command: %s\n", argv[0]);
3367 if (WIFEXITED(status))
3368 return WEXITSTATUS(status);
3372 if (g_spawn_sync(NULL, (gchar **)argv, NULL, G_SPAWN_SEARCH_PATH|
3373 G_SPAWN_CHILD_INHERITS_STDIN|G_SPAWN_LEAVE_DESCRIPTORS_OPEN,
3374 NULL, NULL, NULL, NULL, &status, NULL) == FALSE) {
3375 g_warning("Couldn't execute command: %s\n", argv[0]);
3383 gint execute_command_line(const gchar *cmdline, gboolean async)
3388 debug_print("execute_command_line(): executing: %s\n", cmdline?cmdline:"(null)");
3390 argv = strsplit_with_quote(cmdline, " ", 0);
3393 ret = execute_async(argv);
3395 ret = execute_sync(argv);
3402 gchar *get_command_output(const gchar *cmdline)
3404 gchar *child_stdout;
3407 cm_return_val_if_fail(cmdline != NULL, NULL);
3409 debug_print("get_command_output(): executing: %s\n", cmdline);
3411 if (g_spawn_command_line_sync(cmdline, &child_stdout, NULL, &status,
3413 g_warning("Couldn't execute command: %s\n", cmdline);
3417 return child_stdout;
3420 static gint is_unchanged_uri_char(char c)
3431 static void encode_uri(gchar *encoded_uri, gint bufsize, const gchar *uri)
3437 for(i = 0; i < strlen(uri) ; i++) {
3438 if (is_unchanged_uri_char(uri[i])) {
3439 if (k + 2 >= bufsize)
3441 encoded_uri[k++] = uri[i];
3444 char * hexa = "0123456789ABCDEF";
3446 if (k + 4 >= bufsize)
3448 encoded_uri[k++] = '%';
3449 encoded_uri[k++] = hexa[uri[i] / 16];
3450 encoded_uri[k++] = hexa[uri[i] % 16];
3456 gint open_uri(const gchar *uri, const gchar *cmdline)
3460 gchar buf[BUFFSIZE];
3462 gchar encoded_uri[BUFFSIZE];
3463 cm_return_val_if_fail(uri != NULL, -1);
3465 /* an option to choose whether to use encode_uri or not ? */
3466 encode_uri(encoded_uri, BUFFSIZE, uri);
3469 (p = strchr(cmdline, '%')) && *(p + 1) == 's' &&
3470 !strchr(p + 2, '%'))
3471 g_snprintf(buf, sizeof(buf), cmdline, encoded_uri);
3474 g_warning("Open URI command-line is invalid "
3475 "(there must be only one '%%s'): %s",
3477 g_snprintf(buf, sizeof(buf), DEFAULT_BROWSER_CMD, encoded_uri);
3480 execute_command_line(buf, TRUE);
3482 ShellExecute(NULL, "open", uri, NULL, NULL, SW_SHOW);
3487 gint open_txt_editor(const gchar *filepath, const gchar *cmdline)
3489 gchar buf[BUFFSIZE];
3492 cm_return_val_if_fail(filepath != NULL, -1);
3495 (p = strchr(cmdline, '%')) && *(p + 1) == 's' &&
3496 !strchr(p + 2, '%'))
3497 g_snprintf(buf, sizeof(buf), cmdline, filepath);
3500 g_warning("Open Text Editor command-line is invalid "
3501 "(there must be only one '%%s'): %s",
3503 g_snprintf(buf, sizeof(buf), DEFAULT_EDITOR_CMD, filepath);
3506 execute_command_line(buf, TRUE);
3511 time_t remote_tzoffset_sec(const gchar *zone)
3513 static gchar ustzstr[] = "PSTPDTMSTMDTCSTCDTESTEDT";
3519 time_t remoteoffset;
3521 strncpy(zone3, zone, 3);
3525 if (sscanf(zone, "%c%d", &c, &offset) == 2 &&
3526 (c == '+' || c == '-')) {
3527 remoteoffset = ((offset / 100) * 60 + (offset % 100)) * 60;
3529 remoteoffset = -remoteoffset;
3530 } else if (!strncmp(zone, "UT" , 2) ||
3531 !strncmp(zone, "GMT", 2)) {
3533 } else if (strlen(zone3) == 3) {
3534 for (p = ustzstr; *p != '\0'; p += 3) {
3535 if (!g_ascii_strncasecmp(p, zone3, 3)) {
3536 iustz = ((gint)(p - ustzstr) / 3 + 1) / 2 - 8;
3537 remoteoffset = iustz * 3600;
3543 } else if (strlen(zone3) == 1) {
3545 case 'Z': remoteoffset = 0; break;
3546 case 'A': remoteoffset = -1; break;
3547 case 'B': remoteoffset = -2; break;
3548 case 'C': remoteoffset = -3; break;
3549 case 'D': remoteoffset = -4; break;
3550 case 'E': remoteoffset = -5; break;
3551 case 'F': remoteoffset = -6; break;
3552 case 'G': remoteoffset = -7; break;
3553 case 'H': remoteoffset = -8; break;
3554 case 'I': remoteoffset = -9; break;
3555 case 'K': remoteoffset = -10; break; /* J is not used */
3556 case 'L': remoteoffset = -11; break;
3557 case 'M': remoteoffset = -12; break;
3558 case 'N': remoteoffset = 1; break;
3559 case 'O': remoteoffset = 2; break;
3560 case 'P': remoteoffset = 3; break;
3561 case 'Q': remoteoffset = 4; break;
3562 case 'R': remoteoffset = 5; break;
3563 case 'S': remoteoffset = 6; break;
3564 case 'T': remoteoffset = 7; break;
3565 case 'U': remoteoffset = 8; break;
3566 case 'V': remoteoffset = 9; break;
3567 case 'W': remoteoffset = 10; break;
3568 case 'X': remoteoffset = 11; break;
3569 case 'Y': remoteoffset = 12; break;
3570 default: remoteoffset = 0; break;
3572 remoteoffset = remoteoffset * 3600;
3576 return remoteoffset;
3579 time_t tzoffset_sec(time_t *now)
3583 struct tm buf1, buf2;
3585 if (now && *now < 0)
3588 gmt = *gmtime_r(now, &buf1);
3589 lt = localtime_r(now, &buf2);
3591 off = (lt->tm_hour - gmt.tm_hour) * 60 + lt->tm_min - gmt.tm_min;
3593 if (lt->tm_year < gmt.tm_year)
3595 else if (lt->tm_year > gmt.tm_year)
3597 else if (lt->tm_yday < gmt.tm_yday)
3599 else if (lt->tm_yday > gmt.tm_yday)
3602 if (off >= 24 * 60) /* should be impossible */
3603 off = 23 * 60 + 59; /* if not, insert silly value */
3604 if (off <= -24 * 60)
3605 off = -(23 * 60 + 59);
3610 /* calculate timezone offset */
3611 gchar *tzoffset(time_t *now)
3613 static gchar offset_string[6];
3617 struct tm buf1, buf2;