2 * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2015 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: https://git.gnome.org/browse/glib/commit/
21 * ?h=glib-2-30&id=9eb65dd3ed5e1a9638595cbe10699c7606376511
23 * GLib 2.30 is licensed under GPL v2 or later and:
24 * Copyright (C) 1999 Tom Tromey
25 * Copyright (C) 2000 Red Hat, Inc.
27 * https://git.gnome.org/browse/glib/tree/glib/gutf8.c
28 * ?h=glib-2-30&id=9eb65dd3ed5e1a9638595cbe10699c7606376511
33 #include "claws-features.h"
41 #include <glib/gi18n.h>
51 #include <sys/param.h>
53 #if (HAVE_WCTYPE_H && HAVE_WCHAR_H)
61 #include <sys/types.h>
63 # include <sys/wait.h>
70 #include <sys/utsname.h>
83 #include "../codeconv.h"
87 static gboolean debug_mode = FALSE;
89 static GSList *tempfiles=NULL;
92 /* Return true if we are running as root. This function should beused
93 instead of getuid () == 0. */
94 gboolean superuser_p (void)
97 return w32_is_administrator ();
105 #if !defined(G_OS_UNIX)
106 gint g_chdir(const gchar *path)
109 if (G_WIN32_HAVE_WIDECHAR_API()) {
114 wpath = g_utf8_to_utf16(path, -1, NULL, NULL, NULL);
120 retval = _wchdir(wpath);
132 cp_path = g_locale_from_utf8(path, -1, NULL, NULL, NULL);
133 if (cp_path == NULL) {
138 retval = chdir(cp_path);
151 gint g_chmod(const gchar *path, gint mode)
154 if (G_WIN32_HAVE_WIDECHAR_API()) {
159 wpath = g_utf8_to_utf16(path, -1, NULL, NULL, NULL);
165 retval = _wchmod(wpath, mode);
177 cp_path = g_locale_from_utf8(path, -1, NULL, NULL, NULL);
178 if (cp_path == NULL) {
183 retval = chmod(cp_path, mode);
192 return chmod(path, mode);
196 FILE* g_fopen(const gchar *filename, const gchar *mode)
199 char *name = g_win32_locale_filename_from_utf8(filename);
200 FILE* fp = fopen(name, mode);
204 return fopen(filename, mode);
207 int g_open(const gchar *filename, int flags, int mode)
210 char *name = g_win32_locale_filename_from_utf8(filename);
211 int fd = open(name, flags, mode);
215 return open(filename, flags, mode);
218 #endif /* G_OS_UNIX */
221 GSList *slist_copy_deep(GSList *list, GCopyFunc func)
223 #if GLIB_CHECK_VERSION(2, 34, 0)
224 return g_slist_copy_deep(list, func, NULL);
226 GSList *res = g_slist_copy(list);
229 walk->data = func(walk->data, NULL);
236 void list_free_strings(GList *list)
238 list = g_list_first(list);
240 while (list != NULL) {
246 void slist_free_strings(GSList *list)
248 while (list != NULL) {
254 void slist_free_strings_full(GSList *list)
256 #if GLIB_CHECK_VERSION(2,28,0)
257 g_slist_free_full(list, (GDestroyNotify)g_free);
259 g_slist_foreach(list, (GFunc)g_free, NULL);
264 static void hash_free_strings_func(gpointer key, gpointer value, gpointer data)
269 void hash_free_strings(GHashTable *table)
271 g_hash_table_foreach(table, hash_free_strings_func, NULL);
274 gint str_case_equal(gconstpointer v, gconstpointer v2)
276 return g_ascii_strcasecmp((const gchar *)v, (const gchar *)v2) == 0;
279 guint str_case_hash(gconstpointer key)
281 const gchar *p = key;
285 h = g_ascii_tolower(h);
286 for (p += 1; *p != '\0'; p++)
287 h = (h << 5) - h + g_ascii_tolower(*p);
293 void ptr_array_free_strings(GPtrArray *array)
298 cm_return_if_fail(array != NULL);
300 for (i = 0; i < array->len; i++) {
301 str = g_ptr_array_index(array, i);
306 gint to_number(const gchar *nstr)
308 register const gchar *p;
310 if (*nstr == '\0') return -1;
312 for (p = nstr; *p != '\0'; p++)
313 if (!g_ascii_isdigit(*p)) return -1;
318 /* convert integer into string,
319 nstr must be not lower than 11 characters length */
320 gchar *itos_buf(gchar *nstr, gint n)
322 g_snprintf(nstr, 11, "%d", n);
326 /* convert integer into string */
329 static gchar nstr[11];
331 return itos_buf(nstr, n);
334 #define divide(num,divisor,i,d) \
336 i = num >> divisor; \
337 d = num & ((1<<divisor)-1); \
338 d = (d*100) >> divisor; \
343 * \brief Convert a given size in bytes in a human-readable string
345 * \param size The size expressed in bytes to convert in string
346 * \return The string that respresents the size in an human-readable way
348 gchar *to_human_readable(goffset size)
350 static gchar str[14];
351 static gchar *b_format = NULL, *kb_format = NULL,
352 *mb_format = NULL, *gb_format = NULL;
353 register int t = 0, r = 0;
354 if (b_format == NULL) {
356 kb_format = _("%d.%02dKB");
357 mb_format = _("%d.%02dMB");
358 gb_format = _("%.2fGB");
361 if (size < (goffset)1024) {
362 g_snprintf(str, sizeof(str), b_format, (gint)size);
364 } else if (size >> 10 < (goffset)1024) {
365 divide(size, 10, t, r);
366 g_snprintf(str, sizeof(str), kb_format, t, r);
368 } else if (size >> 20 < (goffset)1024) {
369 divide(size, 20, t, r);
370 g_snprintf(str, sizeof(str), mb_format, t, r);
373 g_snprintf(str, sizeof(str), gb_format, (gfloat)(size >> 30));
378 /* strcmp with NULL-checking */
379 gint strcmp2(const gchar *s1, const gchar *s2)
381 if (s1 == NULL || s2 == NULL)
384 return strcmp(s1, s2);
386 /* strstr with NULL-checking */
387 gchar *strstr2(const gchar *s1, const gchar *s2)
389 if (s1 == NULL || s2 == NULL)
392 return strstr(s1, s2);
395 gint path_cmp(const gchar *s1, const gchar *s2)
400 gchar *s1buf, *s2buf;
403 if (s1 == NULL || s2 == NULL) return -1;
404 if (*s1 == '\0' || *s2 == '\0') return -1;
407 s1buf = g_strdup (s1);
408 s2buf = g_strdup (s2);
409 subst_char (s1buf, '/', G_DIR_SEPARATOR);
410 subst_char (s2buf, '/', G_DIR_SEPARATOR);
413 #endif /* !G_OS_WIN32 */
418 if (s1[len1 - 1] == G_DIR_SEPARATOR) len1--;
419 if (s2[len2 - 1] == G_DIR_SEPARATOR) len2--;
421 rc = strncmp(s1, s2, MAX(len1, len2));
425 #endif /* !G_OS_WIN32 */
429 /* remove trailing return code */
430 gchar *strretchomp(gchar *str)
434 if (!*str) return str;
436 for (s = str + strlen(str) - 1;
437 s >= str && (*s == '\n' || *s == '\r');
444 /* remove trailing character */
445 gchar *strtailchomp(gchar *str, gchar tail_char)
449 if (!*str) return str;
450 if (tail_char == '\0') return str;
452 for (s = str + strlen(str) - 1; s >= str && *s == tail_char; s--)
458 /* remove CR (carriage return) */
459 gchar *strcrchomp(gchar *str)
463 if (!*str) return str;
465 s = str + strlen(str) - 1;
466 if (*s == '\n' && s > str && *(s - 1) == '\r') {
474 gint file_strip_crs(const gchar *file)
476 FILE *fp = NULL, *outfp = NULL;
478 gchar *out = get_tmp_file();
482 fp = g_fopen(file, "rb");
486 outfp = g_fopen(out, "wb");
492 while (fgets(buf, sizeof (buf), fp) != NULL) {
494 if (fputs(buf, outfp) == EOF) {
502 if (fclose(outfp) == EOF) {
506 if (move_file(out, file, TRUE) < 0)
518 /* Similar to `strstr' but this function ignores the case of both strings. */
519 gchar *strcasestr(const gchar *haystack, const gchar *needle)
521 size_t haystack_len = strlen(haystack);
523 return strncasestr(haystack, haystack_len, needle);
526 gchar *strncasestr(const gchar *haystack, gint haystack_len, const gchar *needle)
528 register size_t needle_len;
530 needle_len = strlen(needle);
532 if (haystack_len < needle_len || needle_len == 0)
535 while (haystack_len >= needle_len) {
536 if (!g_ascii_strncasecmp(haystack, needle, needle_len))
537 return (gchar *)haystack;
547 gpointer my_memmem(gconstpointer haystack, size_t haystacklen,
548 gconstpointer needle, size_t needlelen)
550 const gchar *haystack_ = (const gchar *)haystack;
551 const gchar *needle_ = (const gchar *)needle;
552 const gchar *haystack_cur = (const gchar *)haystack;
553 size_t haystack_left = haystacklen;
556 return memchr(haystack_, *needle_, haystacklen);
558 while ((haystack_cur = memchr(haystack_cur, *needle_, haystack_left))
560 if (haystacklen - (haystack_cur - haystack_) < needlelen)
562 if (memcmp(haystack_cur + 1, needle_ + 1, needlelen - 1) == 0)
563 return (gpointer)haystack_cur;
566 haystack_left = haystacklen - (haystack_cur - haystack_);
573 /* Copy no more than N characters of SRC to DEST, with NULL terminating. */
574 gchar *strncpy2(gchar *dest, const gchar *src, size_t n)
576 register const gchar *s = src;
577 register gchar *d = dest;
587 /* Examine if next block is non-ASCII string */
588 gboolean is_next_nonascii(const gchar *s)
592 /* skip head space */
593 for (p = s; *p != '\0' && g_ascii_isspace(*p); p++)
595 for (; *p != '\0' && !g_ascii_isspace(*p); p++) {
596 if (*(guchar *)p > 127 || *(guchar *)p < 32)
603 gint get_next_word_len(const gchar *s)
607 for (; *s != '\0' && !g_ascii_isspace(*s); s++, len++)
613 static void trim_subject_for_compare(gchar *str)
617 eliminate_parenthesis(str, '[', ']');
618 eliminate_parenthesis(str, '(', ')');
621 srcp = str + subject_get_prefix_length(str);
623 memmove(str, srcp, strlen(srcp) + 1);
626 static void trim_subject_for_sort(gchar *str)
632 srcp = str + subject_get_prefix_length(str);
634 memmove(str, srcp, strlen(srcp) + 1);
637 /* compare subjects */
638 gint subject_compare(const gchar *s1, const gchar *s2)
642 if (!s1 || !s2) return -1;
643 if (!*s1 || !*s2) return -1;
645 Xstrdup_a(str1, s1, return -1);
646 Xstrdup_a(str2, s2, return -1);
648 trim_subject_for_compare(str1);
649 trim_subject_for_compare(str2);
651 if (!*str1 || !*str2) return -1;
653 return strcmp(str1, str2);
656 gint subject_compare_for_sort(const gchar *s1, const gchar *s2)
660 if (!s1 || !s2) return -1;
662 Xstrdup_a(str1, s1, return -1);
663 Xstrdup_a(str2, s2, return -1);
665 trim_subject_for_sort(str1);
666 trim_subject_for_sort(str2);
668 return g_utf8_collate(str1, str2);
671 void trim_subject(gchar *str)
673 register gchar *srcp;
679 srcp = str + subject_get_prefix_length(str);
684 } else if (*srcp == '(') {
696 else if (*srcp == cl)
703 while (g_ascii_isspace(*srcp)) srcp++;
704 memmove(str, srcp, strlen(srcp) + 1);
707 void eliminate_parenthesis(gchar *str, gchar op, gchar cl)
709 register gchar *srcp, *destp;
714 while ((destp = strchr(destp, op))) {
720 else if (*srcp == cl)
726 while (g_ascii_isspace(*srcp)) srcp++;
727 memmove(destp, srcp, strlen(srcp) + 1);
731 void extract_parenthesis(gchar *str, gchar op, gchar cl)
733 register gchar *srcp, *destp;
738 while ((srcp = strchr(destp, op))) {
741 memmove(destp, srcp + 1, strlen(srcp));
746 else if (*destp == cl)
758 static void extract_parenthesis_with_skip_quote(gchar *str, gchar quote_chr,
761 register gchar *srcp, *destp;
763 gboolean in_quote = FALSE;
767 while ((srcp = strchr_with_skip_quote(destp, quote_chr, op))) {
770 memmove(destp, srcp + 1, strlen(srcp));
773 if (*destp == op && !in_quote)
775 else if (*destp == cl && !in_quote)
777 else if (*destp == quote_chr)
789 void extract_quote(gchar *str, gchar quote_chr)
793 if ((str = strchr(str, quote_chr))) {
795 while ((p = strchr(p + 1, quote_chr)) && (p[-1] == '\\')) {
796 memmove(p - 1, p, strlen(p) + 1);
801 memmove(str, str + 1, p - str);
806 /* Returns a newly allocated string with all quote_chr not at the beginning
807 or the end of str escaped with '\' or the given str if not required. */
808 gchar *escape_internal_quotes(gchar *str, gchar quote_chr)
810 register gchar *p, *q;
814 if (str == NULL || *str == '\0')
817 /* search for unescaped quote_chr */
822 if (*p == quote_chr && *(p - 1) != '\\' && *(p + 1) != '\0')
826 if (!k) /* nothing to escape */
829 /* unescaped quote_chr found */
830 qstr = g_malloc(l + k + 1);
833 if (*p == quote_chr) {
838 if (*p == quote_chr && *(p - 1) != '\\' && *(p + 1) != '\0')
847 void eliminate_address_comment(gchar *str)
849 register gchar *srcp, *destp;
854 while ((destp = strchr(destp, '"'))) {
855 if ((srcp = strchr(destp + 1, '"'))) {
860 while (g_ascii_isspace(*srcp)) srcp++;
861 memmove(destp, srcp, strlen(srcp) + 1);
871 while ((destp = strchr_with_skip_quote(destp, '"', '('))) {
877 else if (*srcp == ')')
883 while (g_ascii_isspace(*srcp)) srcp++;
884 memmove(destp, srcp, strlen(srcp) + 1);
888 gchar *strchr_with_skip_quote(const gchar *str, gint quote_chr, gint c)
890 gboolean in_quote = FALSE;
893 if (*str == c && !in_quote)
895 if (*str == quote_chr)
903 void extract_address(gchar *str)
905 cm_return_if_fail(str != NULL);
906 eliminate_address_comment(str);
907 if (strchr_with_skip_quote(str, '"', '<'))
908 extract_parenthesis_with_skip_quote(str, '"', '<', '>');
912 void extract_list_id_str(gchar *str)
914 if (strchr_with_skip_quote(str, '"', '<'))
915 extract_parenthesis_with_skip_quote(str, '"', '<', '>');
919 static GSList *address_list_append_real(GSList *addr_list, const gchar *str, gboolean removecomments)
924 if (!str) return addr_list;
926 Xstrdup_a(work, str, return addr_list);
929 eliminate_address_comment(work);
932 while (workp && *workp) {
935 if ((p = strchr_with_skip_quote(workp, '"', ','))) {
941 if (removecomments && strchr_with_skip_quote(workp, '"', '<'))
942 extract_parenthesis_with_skip_quote
943 (workp, '"', '<', '>');
947 addr_list = g_slist_append(addr_list, g_strdup(workp));
955 GSList *address_list_append(GSList *addr_list, const gchar *str)
957 return address_list_append_real(addr_list, str, TRUE);
960 GSList *address_list_append_with_comments(GSList *addr_list, const gchar *str)
962 return address_list_append_real(addr_list, str, FALSE);
965 GSList *references_list_prepend(GSList *msgid_list, const gchar *str)
969 if (!str) return msgid_list;
972 while (strp && *strp) {
973 const gchar *start, *end;
976 if ((start = strchr(strp, '<')) != NULL) {
977 end = strchr(start + 1, '>');
982 msgid = g_strndup(start + 1, end - start - 1);
985 msgid_list = g_slist_prepend(msgid_list, msgid);
995 GSList *references_list_append(GSList *msgid_list, const gchar *str)
999 list = references_list_prepend(NULL, str);
1000 list = g_slist_reverse(list);
1001 msgid_list = g_slist_concat(msgid_list, list);
1006 GSList *newsgroup_list_append(GSList *group_list, const gchar *str)
1011 if (!str) return group_list;
1013 Xstrdup_a(work, str, return group_list);
1017 while (workp && *workp) {
1020 if ((p = strchr_with_skip_quote(workp, '"', ','))) {
1028 group_list = g_slist_append(group_list,
1037 GList *add_history(GList *list, const gchar *str)
1042 cm_return_val_if_fail(str != NULL, list);
1044 old = g_list_find_custom(list, (gpointer)str, (GCompareFunc)strcmp2);
1047 list = g_list_remove(list, old->data);
1049 } else if (g_list_length(list) >= MAX_HISTORY_SIZE) {
1052 last = g_list_last(list);
1054 oldstr = last->data;
1055 list = g_list_remove(list, last->data);
1060 list = g_list_prepend(list, g_strdup(str));
1065 void remove_return(gchar *str)
1067 register gchar *p = str;
1070 if (*p == '\n' || *p == '\r')
1071 memmove(p, p + 1, strlen(p));
1077 void remove_space(gchar *str)
1079 register gchar *p = str;
1084 while (g_ascii_isspace(*(p + spc)))
1087 memmove(p, p + spc, strlen(p + spc) + 1);
1093 void unfold_line(gchar *str)
1095 register gchar *p = str;
1099 if (*p == '\n' || *p == '\r') {
1102 while (g_ascii_isspace(*(p + spc)))
1105 memmove(p, p + spc, strlen(p + spc) + 1);
1111 void subst_char(gchar *str, gchar orig, gchar subst)
1113 register gchar *p = str;
1122 void subst_chars(gchar *str, gchar *orig, gchar subst)
1124 register gchar *p = str;
1127 if (strchr(orig, *p) != NULL)
1133 void subst_for_filename(gchar *str)
1138 subst_chars(str, "\t\r\n\\/*:", '_');
1140 subst_chars(str, "\t\r\n\\/*", '_');
1144 void subst_for_shellsafe_filename(gchar *str)
1148 subst_for_filename(str);
1149 subst_chars(str, " \"'|&;()<>'!{}[]",'_');
1152 gboolean is_ascii_str(const gchar *str)
1154 const guchar *p = (const guchar *)str;
1156 while (*p != '\0') {
1157 if (*p != '\t' && *p != ' ' &&
1158 *p != '\r' && *p != '\n' &&
1159 (*p < 32 || *p >= 127))
1167 static const gchar * line_has_quote_char_last(const gchar * str, const gchar *quote_chars)
1169 gchar * position = NULL;
1170 gchar * tmp_pos = NULL;
1173 if (quote_chars == NULL)
1176 for (i = 0; i < strlen(quote_chars); i++) {
1177 tmp_pos = strrchr (str, quote_chars[i]);
1179 || (tmp_pos != NULL && position <= tmp_pos) )
1185 gint get_quote_level(const gchar *str, const gchar *quote_chars)
1187 const gchar *first_pos;
1188 const gchar *last_pos;
1189 const gchar *p = str;
1190 gint quote_level = -1;
1192 /* speed up line processing by only searching to the last '>' */
1193 if ((first_pos = line_has_quote_char(str, quote_chars)) != NULL) {
1194 /* skip a line if it contains a '<' before the initial '>' */
1195 if (memchr(str, '<', first_pos - str) != NULL)
1197 last_pos = line_has_quote_char_last(first_pos, quote_chars);
1201 while (p <= last_pos) {
1202 while (p < last_pos) {
1203 if (g_ascii_isspace(*p))
1209 if (strchr(quote_chars, *p))
1211 else if (*p != '-' && !g_ascii_isspace(*p) && p <= last_pos) {
1212 /* any characters are allowed except '-','<' and space */
1213 while (*p != '-' && *p != '<'
1214 && !strchr(quote_chars, *p)
1215 && !g_ascii_isspace(*p)
1218 if (strchr(quote_chars, *p))
1230 gint check_line_length(const gchar *str, gint max_chars, gint *line)
1232 const gchar *p = str, *q;
1233 gint cur_line = 0, len;
1235 while ((q = strchr(p, '\n')) != NULL) {
1237 if (len > max_chars) {
1247 if (len > max_chars) {
1256 const gchar * line_has_quote_char(const gchar * str, const gchar *quote_chars)
1258 gchar * position = NULL;
1259 gchar * tmp_pos = NULL;
1262 if (quote_chars == NULL)
1265 for (i = 0; i < strlen(quote_chars); i++) {
1266 tmp_pos = strchr (str, quote_chars[i]);
1268 || (tmp_pos != NULL && position >= tmp_pos) )
1274 static gchar *strstr_with_skip_quote(const gchar *haystack, const gchar *needle)
1276 register guint haystack_len, needle_len;
1277 gboolean in_squote = FALSE, in_dquote = FALSE;
1279 haystack_len = strlen(haystack);
1280 needle_len = strlen(needle);
1282 if (haystack_len < needle_len || needle_len == 0)
1285 while (haystack_len >= needle_len) {
1286 if (!in_squote && !in_dquote &&
1287 !strncmp(haystack, needle, needle_len))
1288 return (gchar *)haystack;
1290 /* 'foo"bar"' -> foo"bar"
1291 "foo'bar'" -> foo'bar' */
1292 if (*haystack == '\'') {
1295 else if (!in_dquote)
1297 } else if (*haystack == '\"') {
1300 else if (!in_squote)
1302 } else if (*haystack == '\\') {
1314 gchar **strsplit_with_quote(const gchar *str, const gchar *delim,
1317 GSList *string_list = NULL, *slist;
1318 gchar **str_array, *s, *new_str;
1319 guint i, n = 1, len;
1321 cm_return_val_if_fail(str != NULL, NULL);
1322 cm_return_val_if_fail(delim != NULL, NULL);
1325 max_tokens = G_MAXINT;
1327 s = strstr_with_skip_quote(str, delim);
1329 guint delimiter_len = strlen(delim);
1333 new_str = g_strndup(str, len);
1335 if (new_str[0] == '\'' || new_str[0] == '\"') {
1336 if (new_str[len - 1] == new_str[0]) {
1337 new_str[len - 1] = '\0';
1338 memmove(new_str, new_str + 1, len - 1);
1341 string_list = g_slist_prepend(string_list, new_str);
1343 str = s + delimiter_len;
1344 s = strstr_with_skip_quote(str, delim);
1345 } while (--max_tokens && s);
1349 new_str = g_strdup(str);
1350 if (new_str[0] == '\'' || new_str[0] == '\"') {
1352 if (new_str[len - 1] == new_str[0]) {
1353 new_str[len - 1] = '\0';
1354 memmove(new_str, new_str + 1, len - 1);
1357 string_list = g_slist_prepend(string_list, new_str);
1361 str_array = g_new(gchar*, n);
1365 str_array[i--] = NULL;
1366 for (slist = string_list; slist; slist = slist->next)
1367 str_array[i--] = slist->data;
1369 g_slist_free(string_list);
1374 gchar *get_abbrev_newsgroup_name(const gchar *group, gint len)
1376 gchar *abbrev_group;
1378 const gchar *p = group;
1381 cm_return_val_if_fail(group != NULL, NULL);
1383 last = group + strlen(group);
1384 abbrev_group = ap = g_malloc(strlen(group) + 1);
1389 if ((ap - abbrev_group) + (last - p) > len && strchr(p, '.')) {
1391 while (*p != '.') p++;
1394 return abbrev_group;
1399 return abbrev_group;
1402 gchar *trim_string(const gchar *str, gint len)
1404 const gchar *p = str;
1409 if (!str) return NULL;
1410 if (strlen(str) <= len)
1411 return g_strdup(str);
1412 if (g_utf8_validate(str, -1, NULL) == FALSE)
1413 return g_strdup(str);
1415 while (*p != '\0') {
1416 mb_len = g_utf8_skip[*(guchar *)p];
1419 else if (new_len + mb_len > len)
1426 Xstrndup_a(new_str, str, new_len, return g_strdup(str));
1427 return g_strconcat(new_str, "...", NULL);
1430 GList *uri_list_extract_filenames(const gchar *uri_list)
1432 GList *result = NULL;
1434 gchar *escaped_utf8uri;
1440 while (g_ascii_isspace(*p)) p++;
1441 if (!strncmp(p, "file:", 5)) {
1444 while (*q && *q != '\n' && *q != '\r') q++;
1447 gchar *file, *locale_file = NULL;
1449 while (q > p && g_ascii_isspace(*q))
1451 Xalloca(escaped_utf8uri, q - p + 2,
1453 Xalloca(file, q - p + 2,
1456 strncpy(escaped_utf8uri, p, q - p + 1);
1457 escaped_utf8uri[q - p + 1] = '\0';
1458 decode_uri(file, escaped_utf8uri);
1460 * g_filename_from_uri() rejects escaped/locale encoded uri
1461 * string which come from Nautilus.
1464 if (g_utf8_validate(file, -1, NULL))
1466 = conv_codeset_strdup(
1469 conv_get_locale_charset_str());
1471 locale_file = g_strdup(file + 5);
1473 locale_file = g_filename_from_uri(escaped_utf8uri, NULL, NULL);
1475 result = g_list_append(result, locale_file);
1479 p = strchr(p, '\n');
1486 /* Converts two-digit hexadecimal to decimal. Used for unescaping escaped
1489 static gint axtoi(const gchar *hexstr)
1491 gint hi, lo, result;
1494 if ('0' <= hi && hi <= '9') {
1497 if ('a' <= hi && hi <= 'f') {
1500 if ('A' <= hi && hi <= 'F') {
1505 if ('0' <= lo && lo <= '9') {
1508 if ('a' <= lo && lo <= 'f') {
1511 if ('A' <= lo && lo <= 'F') {
1514 result = lo + (16 * hi);
1518 gboolean is_uri_string(const gchar *str)
1520 while (str && *str && g_ascii_isspace(*str))
1522 return (g_ascii_strncasecmp(str, "http://", 7) == 0 ||
1523 g_ascii_strncasecmp(str, "https://", 8) == 0 ||
1524 g_ascii_strncasecmp(str, "ftp://", 6) == 0 ||
1525 g_ascii_strncasecmp(str, "www.", 4) == 0);
1528 gchar *get_uri_path(const gchar *uri)
1530 while (uri && *uri && g_ascii_isspace(*uri))
1532 if (g_ascii_strncasecmp(uri, "http://", 7) == 0)
1533 return (gchar *)(uri + 7);
1534 else if (g_ascii_strncasecmp(uri, "https://", 8) == 0)
1535 return (gchar *)(uri + 8);
1536 else if (g_ascii_strncasecmp(uri, "ftp://", 6) == 0)
1537 return (gchar *)(uri + 6);
1539 return (gchar *)uri;
1542 gint get_uri_len(const gchar *str)
1546 if (is_uri_string(str)) {
1547 for (p = str; *p != '\0'; p++) {
1548 if (!g_ascii_isgraph(*p) || strchr("()<>\"", *p))
1557 /* Decodes URL-Encoded strings (i.e. strings in which spaces are replaced by
1558 * plusses, and escape characters are used)
1560 void decode_uri_with_plus(gchar *decoded_uri, const gchar *encoded_uri, gboolean with_plus)
1562 gchar *dec = decoded_uri;
1563 const gchar *enc = encoded_uri;
1568 if (isxdigit((guchar)enc[0]) &&
1569 isxdigit((guchar)enc[1])) {
1575 if (with_plus && *enc == '+')
1587 void decode_uri(gchar *decoded_uri, const gchar *encoded_uri)
1589 decode_uri_with_plus(decoded_uri, encoded_uri, TRUE);
1592 static gchar *decode_uri_gdup(const gchar *encoded_uri)
1594 gchar *buffer = g_malloc(strlen(encoded_uri)+1);
1595 decode_uri_with_plus(buffer, encoded_uri, FALSE);
1599 gint scan_mailto_url(const gchar *mailto, gchar **from, gchar **to, gchar **cc, gchar **bcc,
1600 gchar **subject, gchar **body, gchar ***attach, gchar **inreplyto)
1604 const gchar *forbidden_uris[] = { ".gnupg/",
1610 gint num_attach = 0;
1611 gchar **my_att = NULL;
1613 Xstrdup_a(tmp_mailto, mailto, return -1);
1615 if (!strncmp(tmp_mailto, "mailto:", 7))
1618 p = strchr(tmp_mailto, '?');
1625 *to = decode_uri_gdup(tmp_mailto);
1627 my_att = g_malloc(sizeof(char *));
1631 gchar *field, *value;
1648 if (*value == '\0') continue;
1650 if (from && !g_ascii_strcasecmp(field, "from")) {
1652 *from = decode_uri_gdup(value);
1654 gchar *tmp = decode_uri_gdup(value);
1655 gchar *new_from = g_strdup_printf("%s, %s", *from, tmp);
1659 } else if (cc && !g_ascii_strcasecmp(field, "cc")) {
1661 *cc = decode_uri_gdup(value);
1663 gchar *tmp = decode_uri_gdup(value);
1664 gchar *new_cc = g_strdup_printf("%s, %s", *cc, tmp);
1668 } else if (bcc && !g_ascii_strcasecmp(field, "bcc")) {
1670 *bcc = decode_uri_gdup(value);
1672 gchar *tmp = decode_uri_gdup(value);
1673 gchar *new_bcc = g_strdup_printf("%s, %s", *bcc, tmp);
1677 } else if (subject && !*subject &&
1678 !g_ascii_strcasecmp(field, "subject")) {
1679 *subject = decode_uri_gdup(value);
1680 } else if (body && !*body && !g_ascii_strcasecmp(field, "body")) {
1681 *body = decode_uri_gdup(value);
1682 } else if (body && !*body && !g_ascii_strcasecmp(field, "insert")) {
1683 gchar *tmp = decode_uri_gdup(value);
1684 if (!g_file_get_contents(tmp, body, NULL, NULL)) {
1685 g_warning("couldn't set insert file '%s' in body", value);
1689 } else if (attach && !g_ascii_strcasecmp(field, "attach")) {
1691 gchar *tmp = decode_uri_gdup(value);
1692 for (; forbidden_uris[i]; i++) {
1693 if (strstr(tmp, forbidden_uris[i])) {
1694 g_print("Refusing to attach '%s', potential private data leak\n",
1702 /* attach is correct */
1704 my_att = g_realloc(my_att, (sizeof(char *))*(num_attach+1));
1705 my_att[num_attach-1] = tmp;
1706 my_att[num_attach] = NULL;
1708 } else if (inreplyto && !*inreplyto &&
1709 !g_ascii_strcasecmp(field, "in-reply-to")) {
1710 *inreplyto = decode_uri_gdup(value);
1721 #include <windows.h>
1722 #ifndef CSIDL_APPDATA
1723 #define CSIDL_APPDATA 0x001a
1725 #ifndef CSIDL_LOCAL_APPDATA
1726 #define CSIDL_LOCAL_APPDATA 0x001c
1728 #ifndef CSIDL_FLAG_CREATE
1729 #define CSIDL_FLAG_CREATE 0x8000
1731 #define DIM(v) (sizeof(v)/sizeof((v)[0]))
1735 w32_strerror (int w32_errno)
1737 static char strerr[256];
1738 int ec = (int)GetLastError ();
1742 FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM, NULL, w32_errno,
1743 MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
1744 strerr, DIM (strerr)-1, NULL);
1748 static __inline__ void *
1749 dlopen (const char * name, int flag)
1751 void * hd = LoadLibrary (name);
1755 static __inline__ void *
1756 dlsym (void * hd, const char * sym)
1760 void * fnc = GetProcAddress (hd, sym);
1769 static __inline__ const char *
1772 return w32_strerror (0);
1776 static __inline__ int
1788 w32_shgetfolderpath (HWND a, int b, HANDLE c, DWORD d, LPSTR e)
1790 static int initialized;
1791 static HRESULT (WINAPI * func)(HWND,int,HANDLE,DWORD,LPSTR);
1795 static char *dllnames[] = { "shell32.dll", "shfolder.dll", NULL };
1801 for (i=0, handle = NULL; !handle && dllnames[i]; i++)
1803 handle = dlopen (dllnames[i], RTLD_LAZY);
1806 func = dlsym (handle, "SHGetFolderPathW");
1817 return func (a,b,c,d,e);
1822 /* Returns a static string with the directroy from which the module
1823 has been loaded. Returns an empty string on error. */
1824 static char *w32_get_module_dir(void)
1826 static char *moddir;
1829 char name[MAX_PATH+10];
1832 if ( !GetModuleFileNameA (0, name, sizeof (name)-10) )
1835 p = strrchr (name, '\\');
1841 moddir = g_strdup (name);
1845 #endif /* G_OS_WIN32 */
1847 /* Return a static string with the locale dir. */
1848 const gchar *get_locale_dir(void)
1850 static gchar *loc_dir;
1854 loc_dir = g_strconcat(w32_get_module_dir(), G_DIR_SEPARATOR_S,
1855 "\\share\\locale", NULL);
1858 loc_dir = LOCALEDIR;
1864 const gchar *get_home_dir(void)
1867 static char home_dir_utf16[MAX_PATH] = "";
1868 static gchar *home_dir_utf8 = NULL;
1869 if (home_dir_utf16[0] == '\0') {
1870 if (w32_shgetfolderpath
1871 (NULL, CSIDL_APPDATA|CSIDL_FLAG_CREATE,
1872 NULL, 0, home_dir_utf16) < 0)
1873 strcpy (home_dir_utf16, "C:\\Sylpheed");
1874 home_dir_utf8 = g_utf16_to_utf8 ((const gunichar *)home_dir_utf16, -1, NULL, NULL, NULL);
1876 return home_dir_utf8;
1878 static const gchar *homeenv = NULL;
1883 if (!homeenv && g_getenv("HOME") != NULL)
1884 homeenv = g_strdup(g_getenv("HOME"));
1886 homeenv = g_get_home_dir();
1892 static gchar *claws_rc_dir = NULL;
1893 static gboolean rc_dir_alt = FALSE;
1894 const gchar *get_rc_dir(void)
1897 if (!claws_rc_dir) {
1898 claws_rc_dir = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
1900 debug_print("using default rc_dir %s\n", claws_rc_dir);
1902 return claws_rc_dir;
1905 void set_rc_dir(const gchar *dir)
1907 gchar *canonical_dir;
1908 if (claws_rc_dir != NULL) {
1909 g_print("Error: rc_dir already set\n");
1911 int err = cm_canonicalize_filename(dir, &canonical_dir);
1915 g_print("Error looking for %s: %d(%s)\n",
1916 dir, -err, g_strerror(-err));
1921 claws_rc_dir = canonical_dir;
1923 len = strlen(claws_rc_dir);
1924 if (claws_rc_dir[len - 1] == G_DIR_SEPARATOR)
1925 claws_rc_dir[len - 1] = '\0';
1927 debug_print("set rc_dir to %s\n", claws_rc_dir);
1928 if (!is_dir_exist(claws_rc_dir)) {
1929 if (make_dir_hier(claws_rc_dir) != 0) {
1930 g_print("Error: can't create %s\n",
1938 gboolean rc_dir_is_alt(void) {
1942 const gchar *get_mail_base_dir(void)
1944 return get_home_dir();
1947 const gchar *get_news_cache_dir(void)
1949 static gchar *news_cache_dir = NULL;
1950 if (!news_cache_dir)
1951 news_cache_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1952 NEWS_CACHE_DIR, NULL);
1954 return news_cache_dir;
1957 const gchar *get_imap_cache_dir(void)
1959 static gchar *imap_cache_dir = NULL;
1961 if (!imap_cache_dir)
1962 imap_cache_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1963 IMAP_CACHE_DIR, NULL);
1965 return imap_cache_dir;
1968 const gchar *get_mime_tmp_dir(void)
1970 static gchar *mime_tmp_dir = NULL;
1973 mime_tmp_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1974 MIME_TMP_DIR, NULL);
1976 return mime_tmp_dir;
1979 const gchar *get_template_dir(void)
1981 static gchar *template_dir = NULL;
1984 template_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1985 TEMPLATE_DIR, NULL);
1987 return template_dir;
1991 const gchar *get_cert_file(void)
1993 const gchar *cert_file = NULL;
1995 cert_file = g_strconcat(w32_get_module_dir(),
1996 "\\share\\claws-mail\\",
1997 "ca-certificates.crt",
2003 /* Return the filepath of the claws-mail.desktop file */
2004 const gchar *get_desktop_file(void)
2006 #ifdef DESKTOPFILEPATH
2007 return DESKTOPFILEPATH;
2013 /* Return the default directory for Plugins. */
2014 const gchar *get_plugin_dir(void)
2017 static gchar *plugin_dir = NULL;
2020 plugin_dir = g_strconcat(w32_get_module_dir(),
2021 "\\lib\\claws-mail\\plugins\\",
2025 if (is_dir_exist(PLUGINDIR))
2028 static gchar *plugin_dir = NULL;
2030 plugin_dir = g_strconcat(get_rc_dir(),
2031 G_DIR_SEPARATOR_S, "plugins",
2032 G_DIR_SEPARATOR_S, NULL);
2040 /* Return the default directory for Themes. */
2041 const gchar *get_themes_dir(void)
2043 static gchar *themes_dir = NULL;
2046 themes_dir = g_strconcat(w32_get_module_dir(),
2047 "\\share\\claws-mail\\themes",
2053 const gchar *get_tmp_dir(void)
2055 static gchar *tmp_dir = NULL;
2058 tmp_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2064 gchar *get_tmp_file(void)
2067 static guint32 id = 0;
2069 tmp_file = g_strdup_printf("%s%ctmpfile.%08x",
2070 get_tmp_dir(), G_DIR_SEPARATOR, id++);
2075 const gchar *get_domain_name(void)
2078 static gchar *domain_name = NULL;
2084 if (gethostname(hostname, sizeof(hostname)) != 0) {
2085 perror("gethostname");
2086 domain_name = "localhost";
2088 hostname[sizeof(hostname) - 1] = '\0';
2089 if ((hp = my_gethostbyname(hostname)) == NULL) {
2090 perror("gethostbyname");
2091 domain_name = g_strdup(hostname);
2093 domain_name = g_strdup(hp->h_name);
2096 debug_print("domain name = %s\n", domain_name);
2105 off_t get_file_size(const gchar *file)
2109 if (g_stat(file, &s) < 0) {
2110 FILE_OP_ERROR(file, "stat");
2117 time_t get_file_mtime(const gchar *file)
2121 if (g_stat(file, &s) < 0) {
2122 FILE_OP_ERROR(file, "stat");
2129 off_t get_file_size_as_crlf(const gchar *file)
2133 gchar buf[BUFFSIZE];
2135 if ((fp = g_fopen(file, "rb")) == NULL) {
2136 FILE_OP_ERROR(file, "g_fopen");
2140 while (fgets(buf, sizeof(buf), fp) != NULL) {
2142 size += strlen(buf) + 2;
2146 FILE_OP_ERROR(file, "fgets");
2155 gboolean file_exist(const gchar *file, gboolean allow_fifo)
2162 if (g_stat(file, &s) < 0) {
2163 if (ENOENT != errno) FILE_OP_ERROR(file, "stat");
2167 if (S_ISREG(s.st_mode) || (allow_fifo && S_ISFIFO(s.st_mode)))
2174 /* Test on whether FILE is a relative file name. This is
2175 * straightforward for Unix but more complex for Windows. */
2176 gboolean is_relative_filename(const gchar *file)
2181 if ( *file == '\\' && file[1] == '\\' && strchr (file+2, '\\') )
2182 return FALSE; /* Prefixed with a hostname - this can't
2183 * be a relative name. */
2185 if ( ((*file >= 'a' && *file <= 'z')
2186 || (*file >= 'A' && *file <= 'Z'))
2188 file += 2; /* Skip drive letter. */
2190 return !(*file == '\\' || *file == '/');
2192 return !(*file == G_DIR_SEPARATOR);
2197 gboolean is_dir_exist(const gchar *dir)
2202 return g_file_test(dir, G_FILE_TEST_IS_DIR);
2205 gboolean is_file_entry_exist(const gchar *file)
2210 return g_file_test(file, G_FILE_TEST_EXISTS);
2213 gboolean dirent_is_regular_file(struct dirent *d)
2215 #if !defined(G_OS_WIN32) && defined(HAVE_DIRENT_D_TYPE)
2216 if (d->d_type == DT_REG)
2218 else if (d->d_type != DT_UNKNOWN)
2222 return g_file_test(d->d_name, G_FILE_TEST_IS_REGULAR);
2225 gint change_dir(const gchar *dir)
2227 gchar *prevdir = NULL;
2230 prevdir = g_get_current_dir();
2232 if (g_chdir(dir) < 0) {
2233 FILE_OP_ERROR(dir, "chdir");
2234 if (debug_mode) g_free(prevdir);
2236 } else if (debug_mode) {
2239 cwd = g_get_current_dir();
2240 if (strcmp(prevdir, cwd) != 0)
2241 g_print("current dir: %s\n", cwd);
2249 gint make_dir(const gchar *dir)
2251 if (g_mkdir(dir, S_IRWXU) < 0) {
2252 FILE_OP_ERROR(dir, "mkdir");
2255 if (g_chmod(dir, S_IRWXU) < 0)
2256 FILE_OP_ERROR(dir, "chmod");
2261 gint make_dir_hier(const gchar *dir)
2266 for (p = dir; (p = strchr(p, G_DIR_SEPARATOR)) != NULL; p++) {
2267 parent_dir = g_strndup(dir, p - dir);
2268 if (*parent_dir != '\0') {
2269 if (!is_dir_exist(parent_dir)) {
2270 if (make_dir(parent_dir) < 0) {
2279 if (!is_dir_exist(dir)) {
2280 if (make_dir(dir) < 0)
2287 gint remove_all_files(const gchar *dir)
2290 const gchar *dir_name;
2293 prev_dir = g_get_current_dir();
2295 if (g_chdir(dir) < 0) {
2296 FILE_OP_ERROR(dir, "chdir");
2301 if ((dp = g_dir_open(".", 0, NULL)) == NULL) {
2302 g_warning("failed to open directory: %s", dir);
2307 while ((dir_name = g_dir_read_name(dp)) != NULL) {
2308 if (claws_unlink(dir_name) < 0)
2309 FILE_OP_ERROR(dir_name, "unlink");
2314 if (g_chdir(prev_dir) < 0) {
2315 FILE_OP_ERROR(prev_dir, "chdir");
2325 gint remove_numbered_files(const gchar *dir, guint first, guint last)
2328 const gchar *dir_name;
2332 if (first == last) {
2333 /* Skip all the dir reading part. */
2334 gchar *filename = g_strdup_printf("%s%s%u", dir, G_DIR_SEPARATOR_S, first);
2335 if (is_dir_exist(filename)) {
2336 /* a numbered directory with this name exists,
2337 * remove the dot-file instead */
2339 filename = g_strdup_printf("%s%s.%u", dir, G_DIR_SEPARATOR_S, first);
2341 if (claws_unlink(filename) < 0) {
2342 FILE_OP_ERROR(filename, "unlink");
2350 prev_dir = g_get_current_dir();
2352 if (g_chdir(dir) < 0) {
2353 FILE_OP_ERROR(dir, "chdir");
2358 if ((dp = g_dir_open(".", 0, NULL)) == NULL) {
2359 g_warning("failed to open directory: %s", dir);
2364 while ((dir_name = g_dir_read_name(dp)) != NULL) {
2365 file_no = to_number(dir_name);
2366 if (file_no > 0 && first <= file_no && file_no <= last) {
2367 if (is_dir_exist(dir_name)) {
2368 gchar *dot_file = g_strdup_printf(".%s", dir_name);
2369 if (is_file_exist(dot_file) && claws_unlink(dot_file) < 0) {
2370 FILE_OP_ERROR(dot_file, "unlink");
2375 if (claws_unlink(dir_name) < 0)
2376 FILE_OP_ERROR(dir_name, "unlink");
2382 if (g_chdir(prev_dir) < 0) {
2383 FILE_OP_ERROR(prev_dir, "chdir");
2393 gint remove_numbered_files_not_in_list(const gchar *dir, GSList *numberlist)
2396 const gchar *dir_name;
2399 GHashTable *wanted_files;
2401 GError *error = NULL;
2403 if (numberlist == NULL)
2406 prev_dir = g_get_current_dir();
2408 if (g_chdir(dir) < 0) {
2409 FILE_OP_ERROR(dir, "chdir");
2414 if ((dp = g_dir_open(".", 0, &error)) == NULL) {
2415 g_message("Couldn't open current directory: %s (%d).\n",
2416 error->message, error->code);
2417 g_error_free(error);
2422 wanted_files = g_hash_table_new(g_direct_hash, g_direct_equal);
2423 for (cur = numberlist; cur != NULL; cur = cur->next) {
2424 /* numberlist->data is expected to be GINT_TO_POINTER */
2425 g_hash_table_insert(wanted_files, cur->data, GINT_TO_POINTER(1));
2428 while ((dir_name = g_dir_read_name(dp)) != NULL) {
2429 file_no = to_number(dir_name);
2430 if (is_dir_exist(dir_name))
2432 if (file_no > 0 && g_hash_table_lookup(wanted_files, GINT_TO_POINTER(file_no)) == NULL) {
2433 debug_print("removing unwanted file %d from %s\n", file_no, dir);
2434 if (is_dir_exist(dir_name)) {
2435 gchar *dot_file = g_strdup_printf(".%s", dir_name);
2436 if (is_file_exist(dot_file) && claws_unlink(dot_file) < 0) {
2437 FILE_OP_ERROR(dot_file, "unlink");
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", 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)) {
2520 if ((ret = remove_dir_recursive(dir_name)) < 0) {
2521 g_warning("can't remove directory: %s", dir_name);
2525 if (claws_unlink(dir_name) < 0)
2526 FILE_OP_ERROR(dir_name, "unlink");
2532 if (g_chdir(prev_dir) < 0) {
2533 FILE_OP_ERROR(prev_dir, "chdir");
2540 if (g_rmdir(dir) < 0) {
2541 FILE_OP_ERROR(dir, "rmdir");
2548 gint rename_force(const gchar *oldpath, const gchar *newpath)
2551 if (!is_file_entry_exist(oldpath)) {
2555 if (is_file_exist(newpath)) {
2556 if (claws_unlink(newpath) < 0)
2557 FILE_OP_ERROR(newpath, "unlink");
2560 return g_rename(oldpath, newpath);
2564 * Append src file body to the tail of dest file.
2565 * Now keep_backup has no effects.
2567 gint append_file(const gchar *src, const gchar *dest, gboolean keep_backup)
2569 FILE *src_fp, *dest_fp;
2573 gboolean err = FALSE;
2575 if ((src_fp = g_fopen(src, "rb")) == NULL) {
2576 FILE_OP_ERROR(src, "g_fopen");
2580 if ((dest_fp = g_fopen(dest, "ab")) == NULL) {
2581 FILE_OP_ERROR(dest, "g_fopen");
2586 if (change_file_mode_rw(dest_fp, dest) < 0) {
2587 FILE_OP_ERROR(dest, "chmod");
2588 g_warning("can't change file mode: %s", dest);
2591 while ((n_read = fread(buf, sizeof(gchar), sizeof(buf), src_fp)) > 0) {
2592 if (n_read < sizeof(buf) && ferror(src_fp))
2594 if (fwrite(buf, 1, n_read, dest_fp) < n_read) {
2595 g_warning("writing to %s failed.", dest);
2603 if (ferror(src_fp)) {
2604 FILE_OP_ERROR(src, "fread");
2608 if (fclose(dest_fp) == EOF) {
2609 FILE_OP_ERROR(dest, "fclose");
2621 gint copy_file(const gchar *src, const gchar *dest, gboolean keep_backup)
2623 FILE *src_fp, *dest_fp;
2626 gchar *dest_bak = NULL;
2627 gboolean err = FALSE;
2629 if ((src_fp = g_fopen(src, "rb")) == NULL) {
2630 FILE_OP_ERROR(src, "g_fopen");
2633 if (is_file_exist(dest)) {
2634 dest_bak = g_strconcat(dest, ".bak", NULL);
2635 if (rename_force(dest, dest_bak) < 0) {
2636 FILE_OP_ERROR(dest, "rename");
2643 if ((dest_fp = g_fopen(dest, "wb")) == NULL) {
2644 FILE_OP_ERROR(dest, "g_fopen");
2647 if (rename_force(dest_bak, dest) < 0)
2648 FILE_OP_ERROR(dest_bak, "rename");
2654 if (change_file_mode_rw(dest_fp, dest) < 0) {
2655 FILE_OP_ERROR(dest, "chmod");
2656 g_warning("can't change file mode: %s", dest);
2659 while ((n_read = fread(buf, sizeof(gchar), sizeof(buf), src_fp)) > 0) {
2660 if (n_read < sizeof(buf) && ferror(src_fp))
2662 if (fwrite(buf, 1, n_read, dest_fp) < n_read) {
2663 g_warning("writing to %s failed.", dest);
2668 if (rename_force(dest_bak, dest) < 0)
2669 FILE_OP_ERROR(dest_bak, "rename");
2676 if (ferror(src_fp)) {
2677 FILE_OP_ERROR(src, "fread");
2681 if (fclose(dest_fp) == EOF) {
2682 FILE_OP_ERROR(dest, "fclose");
2689 if (rename_force(dest_bak, dest) < 0)
2690 FILE_OP_ERROR(dest_bak, "rename");
2696 if (keep_backup == FALSE && dest_bak)
2697 claws_unlink(dest_bak);
2704 gint move_file(const gchar *src, const gchar *dest, gboolean overwrite)
2706 if (overwrite == FALSE && is_file_exist(dest)) {
2707 g_warning("move_file(): file %s already exists.", dest);
2711 if (rename_force(src, dest) == 0) return 0;
2713 if (EXDEV != errno) {
2714 FILE_OP_ERROR(src, "rename");
2718 if (copy_file(src, dest, FALSE) < 0) return -1;
2725 gint copy_file_part_to_fp(FILE *fp, off_t offset, size_t length, FILE *dest_fp)
2728 gint bytes_left, to_read;
2731 if (fseek(fp, offset, SEEK_SET) < 0) {
2736 bytes_left = length;
2737 to_read = MIN(bytes_left, sizeof(buf));
2739 while ((n_read = fread(buf, sizeof(gchar), to_read, fp)) > 0) {
2740 if (n_read < to_read && ferror(fp))
2742 if (fwrite(buf, 1, n_read, dest_fp) < n_read) {
2745 bytes_left -= n_read;
2746 if (bytes_left == 0)
2748 to_read = MIN(bytes_left, sizeof(buf));
2759 gint copy_file_part(FILE *fp, off_t offset, size_t length, const gchar *dest)
2762 gboolean err = FALSE;
2764 if ((dest_fp = g_fopen(dest, "wb")) == NULL) {
2765 FILE_OP_ERROR(dest, "g_fopen");
2769 if (change_file_mode_rw(dest_fp, dest) < 0) {
2770 FILE_OP_ERROR(dest, "chmod");
2771 g_warning("can't change file mode: %s", dest);
2774 if (copy_file_part_to_fp(fp, offset, length, dest_fp) < 0)
2777 if (!err && fclose(dest_fp) == EOF) {
2778 FILE_OP_ERROR(dest, "fclose");
2783 g_warning("writing to %s failed.", dest);
2791 /* convert line endings into CRLF. If the last line doesn't end with
2792 * linebreak, add it.
2794 gchar *canonicalize_str(const gchar *str)
2800 for (p = str; *p != '\0'; ++p) {
2807 if (p == str || *(p - 1) != '\n')
2810 out = outp = g_malloc(new_len + 1);
2811 for (p = str; *p != '\0'; ++p) {
2818 if (p == str || *(p - 1) != '\n') {
2827 gint canonicalize_file(const gchar *src, const gchar *dest)
2829 FILE *src_fp, *dest_fp;
2830 gchar buf[BUFFSIZE];
2832 gboolean err = FALSE;
2833 gboolean last_linebreak = FALSE;
2835 if (src == NULL || dest == NULL)
2838 if ((src_fp = g_fopen(src, "rb")) == NULL) {
2839 FILE_OP_ERROR(src, "g_fopen");
2843 if ((dest_fp = g_fopen(dest, "wb")) == NULL) {
2844 FILE_OP_ERROR(dest, "g_fopen");
2849 if (change_file_mode_rw(dest_fp, dest) < 0) {
2850 FILE_OP_ERROR(dest, "chmod");
2851 g_warning("can't change file mode: %s", dest);
2854 while (fgets(buf, sizeof(buf), src_fp) != NULL) {
2858 if (len == 0) break;
2859 last_linebreak = FALSE;
2861 if (buf[len - 1] != '\n') {
2862 last_linebreak = TRUE;
2863 r = fputs(buf, dest_fp);
2864 } else if (len > 1 && buf[len - 1] == '\n' && buf[len - 2] == '\r') {
2865 r = fputs(buf, dest_fp);
2868 r = fwrite(buf, 1, len - 1, dest_fp);
2873 r = fputs("\r\n", dest_fp);
2877 g_warning("writing to %s failed.", dest);
2885 if (last_linebreak == TRUE) {
2886 if (fputs("\r\n", dest_fp) == EOF)
2890 if (ferror(src_fp)) {
2891 FILE_OP_ERROR(src, "fgets");
2895 if (fclose(dest_fp) == EOF) {
2896 FILE_OP_ERROR(dest, "fclose");
2908 gint canonicalize_file_replace(const gchar *file)
2912 tmp_file = get_tmp_file();
2914 if (canonicalize_file(file, tmp_file) < 0) {
2919 if (move_file(tmp_file, file, TRUE) < 0) {
2920 g_warning("can't replace file: %s", file);
2921 claws_unlink(tmp_file);
2930 gchar *normalize_newlines(const gchar *str)
2935 out = outp = g_malloc(strlen(str) + 1);
2936 for (p = str; *p != '\0'; ++p) {
2938 if (*(p + 1) != '\n')
2949 gchar *get_outgoing_rfc2822_str(FILE *fp)
2951 gchar buf[BUFFSIZE];
2955 str = g_string_new(NULL);
2957 /* output header part */
2958 while (fgets(buf, sizeof(buf), fp) != NULL) {
2960 if (!g_ascii_strncasecmp(buf, "Bcc:", 4)) {
2967 else if (next != ' ' && next != '\t') {
2971 if (fgets(buf, sizeof(buf), fp) == NULL)
2975 g_string_append(str, buf);
2976 g_string_append(str, "\r\n");
2982 /* output body part */
2983 while (fgets(buf, sizeof(buf), fp) != NULL) {
2986 g_string_append_c(str, '.');
2987 g_string_append(str, buf);
2988 g_string_append(str, "\r\n");
2992 g_string_free(str, FALSE);
2998 * Create a new boundary in a way that it is very unlikely that this
2999 * will occur in the following text. It would be easy to ensure
3000 * uniqueness if everything is either quoted-printable or base64
3001 * encoded (note that conversion is allowed), but because MIME bodies
3002 * may be nested, it may happen that the same boundary has already
3005 * boundary := 0*69<bchars> bcharsnospace
3006 * bchars := bcharsnospace / " "
3007 * bcharsnospace := DIGIT / ALPHA / "'" / "(" / ")" /
3008 * "+" / "_" / "," / "-" / "." /
3009 * "/" / ":" / "=" / "?"
3011 * some special characters removed because of buggy MTAs
3014 gchar *generate_mime_boundary(const gchar *prefix)
3016 static gchar tbl[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
3017 "abcdefghijklmnopqrstuvwxyz"
3022 for (i = 0; i < sizeof(buf_uniq) - 1; i++)
3023 buf_uniq[i] = tbl[g_random_int_range(0, sizeof(tbl) - 1)];
3026 return g_strdup_printf("%s_/%s", prefix ? prefix : "MP",
3030 gint change_file_mode_rw(FILE *fp, const gchar *file)
3033 return fchmod(fileno(fp), S_IRUSR|S_IWUSR);
3035 return g_chmod(file, S_IRUSR|S_IWUSR);
3039 FILE *my_tmpfile(void)
3041 const gchar suffix[] = ".XXXXXX";
3042 const gchar *tmpdir;
3044 const gchar *progname;
3053 tmpdir = get_tmp_dir();
3054 tmplen = strlen(tmpdir);
3055 progname = g_get_prgname();
3056 if (progname == NULL)
3057 progname = "claws-mail";
3058 proglen = strlen(progname);
3059 Xalloca(fname, tmplen + 1 + proglen + sizeof(suffix),
3062 memcpy(fname, tmpdir, tmplen);
3063 fname[tmplen] = G_DIR_SEPARATOR;
3064 memcpy(fname + tmplen + 1, progname, proglen);
3065 memcpy(fname + tmplen + 1 + proglen, suffix, sizeof(suffix));
3067 fd = g_mkstemp(fname);
3072 claws_unlink(fname);
3074 /* verify that we can write in the file after unlinking */
3075 if (write(fd, buf, 1) < 0) {
3082 fp = fdopen(fd, "w+b");
3093 FILE *get_tmpfile_in_dir(const gchar *dir, gchar **filename)
3096 *filename = g_strdup_printf("%s%cclaws.XXXXXX", dir, G_DIR_SEPARATOR);
3097 fd = g_mkstemp(*filename);
3100 return fdopen(fd, "w+");
3103 FILE *str_open_as_stream(const gchar *str)
3108 cm_return_val_if_fail(str != NULL, NULL);
3112 FILE_OP_ERROR("str_open_as_stream", "my_tmpfile");
3117 if (len == 0) return fp;
3119 if (fwrite(str, 1, len, fp) != len) {
3120 FILE_OP_ERROR("str_open_as_stream", "fwrite");
3129 gint str_write_to_file(const gchar *str, const gchar *file)
3134 cm_return_val_if_fail(str != NULL, -1);
3135 cm_return_val_if_fail(file != NULL, -1);
3137 if ((fp = g_fopen(file, "wb")) == NULL) {
3138 FILE_OP_ERROR(file, "g_fopen");
3148 if (fwrite(str, 1, len, fp) != len) {
3149 FILE_OP_ERROR(file, "fwrite");
3155 if (fclose(fp) == EOF) {
3156 FILE_OP_ERROR(file, "fclose");
3164 static gchar *file_read_stream_to_str_full(FILE *fp, gboolean recode)
3171 cm_return_val_if_fail(fp != NULL, NULL);
3173 array = g_byte_array_new();
3175 while ((n_read = fread(buf, sizeof(gchar), sizeof(buf), fp)) > 0) {
3176 if (n_read < sizeof(buf) && ferror(fp))
3178 g_byte_array_append(array, buf, n_read);
3182 FILE_OP_ERROR("file stream", "fread");
3183 g_byte_array_free(array, TRUE);
3188 g_byte_array_append(array, buf, 1);
3189 str = (gchar *)array->data;
3190 g_byte_array_free(array, FALSE);
3192 if (recode && !g_utf8_validate(str, -1, NULL)) {
3193 const gchar *src_codeset, *dest_codeset;
3195 src_codeset = conv_get_locale_charset_str();
3196 dest_codeset = CS_UTF_8;
3197 tmp = conv_codeset_strdup(str, src_codeset, dest_codeset);
3205 static gchar *file_read_to_str_full(const gchar *file, gboolean recode)
3212 struct timeval timeout = {1, 0};
3217 cm_return_val_if_fail(file != NULL, NULL);
3219 if (g_stat(file, &s) != 0) {
3220 FILE_OP_ERROR(file, "stat");
3223 if (S_ISDIR(s.st_mode)) {
3224 g_warning("%s: is a directory", file);
3229 fp = g_fopen (file, "rb");
3231 FILE_OP_ERROR(file, "open");
3235 /* test whether the file is readable without blocking */
3236 fd = g_open(file, O_RDONLY | O_NONBLOCK, 0);
3238 FILE_OP_ERROR(file, "open");
3245 /* allow for one second */
3246 err = select(fd+1, &fds, NULL, NULL, &timeout);
3247 if (err <= 0 || !FD_ISSET(fd, &fds)) {
3249 FILE_OP_ERROR(file, "select");
3251 g_warning("%s: doesn't seem readable", file);
3257 /* Now clear O_NONBLOCK */
3258 if ((fflags = fcntl(fd, F_GETFL)) < 0) {
3259 FILE_OP_ERROR(file, "fcntl (F_GETFL)");
3263 if (fcntl(fd, F_SETFL, (fflags & ~O_NONBLOCK)) < 0) {
3264 FILE_OP_ERROR(file, "fcntl (F_SETFL)");
3269 /* get the FILE pointer */
3270 fp = fdopen(fd, "rb");
3273 FILE_OP_ERROR(file, "fdopen");
3274 close(fd); /* if fp isn't NULL, we'll use fclose instead! */
3279 str = file_read_stream_to_str_full(fp, recode);
3286 gchar *file_read_to_str(const gchar *file)
3288 return file_read_to_str_full(file, TRUE);
3290 gchar *file_read_stream_to_str(FILE *fp)
3292 return file_read_stream_to_str_full(fp, TRUE);
3295 gchar *file_read_to_str_no_recode(const gchar *file)
3297 return file_read_to_str_full(file, FALSE);
3299 gchar *file_read_stream_to_str_no_recode(FILE *fp)
3301 return file_read_stream_to_str_full(fp, FALSE);
3304 char *fgets_crlf(char *buf, int size, FILE *stream)
3306 gboolean is_cr = FALSE;
3307 gboolean last_was_cr = FALSE;
3312 while (--size > 0 && (c = getc(stream)) != EOF)
3315 is_cr = (c == '\r');
3325 last_was_cr = is_cr;
3327 if (c == EOF && cs == buf)
3335 static gint execute_async(gchar *const argv[])
3337 cm_return_val_if_fail(argv != NULL && argv[0] != NULL, -1);
3339 if (g_spawn_async(NULL, (gchar **)argv, NULL, G_SPAWN_SEARCH_PATH,
3340 NULL, NULL, NULL, FALSE) == FALSE) {
3341 g_warning("couldn't execute command: %s", argv[0]);
3348 static gint execute_sync(gchar *const argv[])
3352 cm_return_val_if_fail(argv != NULL && argv[0] != NULL, -1);
3355 if (g_spawn_sync(NULL, (gchar **)argv, NULL, G_SPAWN_SEARCH_PATH,
3356 NULL, NULL, NULL, NULL, &status, NULL) == FALSE) {
3357 g_warning("couldn't execute command: %s", argv[0]);
3361 if (WIFEXITED(status))
3362 return WEXITSTATUS(status);
3366 if (g_spawn_sync(NULL, (gchar **)argv, NULL, G_SPAWN_SEARCH_PATH|
3367 G_SPAWN_CHILD_INHERITS_STDIN|G_SPAWN_LEAVE_DESCRIPTORS_OPEN,
3368 NULL, NULL, NULL, NULL, &status, NULL) == FALSE) {
3369 g_warning("couldn't execute command: %s", argv[0]);
3377 gint execute_command_line(const gchar *cmdline, gboolean async)
3382 debug_print("execute_command_line(): executing: %s\n", cmdline?cmdline:"(null)");
3384 argv = strsplit_with_quote(cmdline, " ", 0);
3387 ret = execute_async(argv);
3389 ret = execute_sync(argv);
3396 gchar *get_command_output(const gchar *cmdline)
3398 gchar *child_stdout;
3401 cm_return_val_if_fail(cmdline != NULL, NULL);
3403 debug_print("get_command_output(): executing: %s\n", cmdline);
3405 if (g_spawn_command_line_sync(cmdline, &child_stdout, NULL, &status,
3407 g_warning("couldn't execute command: %s", cmdline);
3411 return child_stdout;
3414 static gint is_unchanged_uri_char(char c)
3425 static void encode_uri(gchar *encoded_uri, gint bufsize, const gchar *uri)
3431 for(i = 0; i < strlen(uri) ; i++) {
3432 if (is_unchanged_uri_char(uri[i])) {
3433 if (k + 2 >= bufsize)
3435 encoded_uri[k++] = uri[i];
3438 char * hexa = "0123456789ABCDEF";
3440 if (k + 4 >= bufsize)
3442 encoded_uri[k++] = '%';
3443 encoded_uri[k++] = hexa[uri[i] / 16];
3444 encoded_uri[k++] = hexa[uri[i] % 16];
3450 gint open_uri(const gchar *uri, const gchar *cmdline)
3454 gchar buf[BUFFSIZE];
3456 gchar encoded_uri[BUFFSIZE];
3457 cm_return_val_if_fail(uri != NULL, -1);
3459 /* an option to choose whether to use encode_uri or not ? */
3460 encode_uri(encoded_uri, BUFFSIZE, uri);
3463 (p = strchr(cmdline, '%')) && *(p + 1) == 's' &&
3464 !strchr(p + 2, '%'))
3465 g_snprintf(buf, sizeof(buf), cmdline, encoded_uri);
3468 g_warning("Open URI command-line is invalid "
3469 "(there must be only one '%%s'): %s",
3471 g_snprintf(buf, sizeof(buf), DEFAULT_BROWSER_CMD, encoded_uri);
3474 execute_command_line(buf, TRUE);
3476 ShellExecute(NULL, "open", uri, NULL, NULL, SW_SHOW);
3481 gint open_txt_editor(const gchar *filepath, const gchar *cmdline)
3483 gchar buf[BUFFSIZE];
3486 cm_return_val_if_fail(filepath != NULL, -1);
3489 (p = strchr(cmdline, '%')) && *(p + 1) == 's' &&
3490 !strchr(p + 2, '%'))
3491 g_snprintf(buf, sizeof(buf), cmdline, filepath);
3494 g_warning("Open Text Editor command-line is invalid "
3495 "(there must be only one '%%s'): %s",
3497 g_snprintf(buf, sizeof(buf), DEFAULT_EDITOR_CMD, filepath);
3500 execute_command_line(buf, TRUE);
3505 time_t remote_tzoffset_sec(const gchar *zone)
3507 static gchar ustzstr[] = "PSTPDTMSTMDTCSTCDTESTEDT";
3513 time_t remoteoffset;
3515 strncpy(zone3, zone, 3);
3519 if (sscanf(zone, "%c%d", &c, &offset) == 2 &&
3520 (c == '+' || c == '-')) {
3521 remoteoffset = ((offset / 100) * 60 + (offset % 100)) * 60;
3523 remoteoffset = -remoteoffset;
3524 } else if (!strncmp(zone, "UT" , 2) ||
3525 !strncmp(zone, "GMT", 3)) {
3527 } else if (strlen(zone3) == 3) {
3528 for (p = ustzstr; *p != '\0'; p += 3) {
3529 if (!g_ascii_strncasecmp(p, zone3, 3)) {
3530 iustz = ((gint)(p - ustzstr) / 3 + 1) / 2 - 8;
3531 remoteoffset = iustz * 3600;
3537 } else if (strlen(zone3) == 1) {
3539 case 'Z': remoteoffset = 0; break;
3540 case 'A': remoteoffset = -1; break;
3541 case 'B': remoteoffset = -2; break;
3542 case 'C': remoteoffset = -3; break;
3543 case 'D': remoteoffset = -4; break;
3544 case 'E': remoteoffset = -5; break;
3545 case 'F': remoteoffset = -6; break;
3546 case 'G': remoteoffset = -7; break;
3547 case 'H': remoteoffset = -8; break;
3548 case 'I': remoteoffset = -9; break;
3549 case 'K': remoteoffset = -10; break; /* J is not used */
3550 case 'L': remoteoffset = -11; break;
3551 case 'M': remoteoffset = -12; break;
3552 case 'N': remoteoffset = 1; break;
3553 case 'O': remoteoffset = 2; break;
3554 case 'P': remoteoffset = 3; break;
3555 case 'Q': remoteoffset = 4; break;
3556 case 'R': remoteoffset = 5; break;
3557 case 'S': remoteoffset = 6; break;
3558 case 'T': remoteoffset = 7; break;
3559 case 'U': remoteoffset = 8; break;
3560 case 'V': remoteoffset = 9; break;
3561 case 'W': remoteoffset = 10; break;
3562 case 'X': remoteoffset = 11; break;
3563 case 'Y': remoteoffset = 12; break;
3564 default: remoteoffset = 0; break;
3566 remoteoffset = remoteoffset * 3600;
3570 return remoteoffset;
3573 time_t tzoffset_sec(time_t *now)
3577 struct tm buf1, buf2;
3579 if (now && *now < 0)
3582 gmt = *gmtime_r(now, &buf1);
3583 lt = localtime_r(now, &buf2);
3585 off = (lt->tm_hour - gmt.tm_hour) * 60 + lt->tm_min - gmt.tm_min;
3587 if (lt->tm_year < gmt.tm_year)
3589 else if (lt->tm_year > gmt.tm_year)
3591 else if (lt->tm_yday < gmt.tm_yday)
3593 else if (lt->tm_yday > gmt.tm_yday)
3596 if (off >= 24 * 60) /* should be impossible */
3597 off = 23 * 60 + 59; /* if not, insert silly value */
3598 if (off <= -24 * 60)
3599 off = -(23 * 60 + 59);
3604 /* calculate timezone offset */
3605 gchar *tzoffset(time_t *now)