/* * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client * Copyright (C) 1999-2020 The Claws Mail Team and Hiroyuki Yamamoto * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . * * The code of the g_utf8_substring function below is owned by * Matthias Clasen / * and is got from GLIB 2.30: https://git.gnome.org/browse/glib/commit/ * ?h=glib-2-30&id=9eb65dd3ed5e1a9638595cbe10699c7606376511 * * GLib 2.30 is licensed under GPL v2 or later and: * Copyright (C) 1999 Tom Tromey * Copyright (C) 2000 Red Hat, Inc. * * https://git.gnome.org/browse/glib/tree/glib/gutf8.c * ?h=glib-2-30&id=9eb65dd3ed5e1a9638595cbe10699c7606376511 */ #ifdef HAVE_CONFIG_H # include "config.h" #include "claws-features.h" #endif #include "defs.h" #include #include #include #ifdef USE_PTHREAD #include #endif #include #include #include #include #include #ifdef G_OS_WIN32 # include #else # include #endif #if (HAVE_WCTYPE_H && HAVE_WCHAR_H) # include # include #endif #include #include #include #include #include #if HAVE_SYS_WAIT_H # include #endif #include #include #include #ifdef G_OS_UNIX #include #endif #include #ifdef G_OS_WIN32 # include # include # include #endif #include "utils.h" #include "socket.h" #include "codeconv.h" #include "tlds.h" #include "timing.h" #include "file-utils.h" #define BUFFSIZE 8192 static gboolean debug_mode = FALSE; GSList *slist_copy_deep(GSList *list, GCopyFunc func) { #if GLIB_CHECK_VERSION(2, 34, 0) return g_slist_copy_deep(list, func, NULL); #else GSList *res = g_slist_copy(list); GSList *walk = res; while (walk) { walk->data = func(walk->data, NULL); walk = walk->next; } return res; #endif } void list_free_strings_full(GList *list) { g_list_free_full(list, (GDestroyNotify)g_free); } void slist_free_strings_full(GSList *list) { g_slist_free_full(list, (GDestroyNotify)g_free); } static void hash_free_strings_func(gpointer key, gpointer value, gpointer data) { g_free(key); } void hash_free_strings(GHashTable *table) { g_hash_table_foreach(table, hash_free_strings_func, NULL); } gint str_case_equal(gconstpointer v, gconstpointer v2) { return g_ascii_strcasecmp((const gchar *)v, (const gchar *)v2) == 0; } guint str_case_hash(gconstpointer key) { const gchar *p = key; guint h = *p; if (h) { h = g_ascii_tolower(h); for (p += 1; *p != '\0'; p++) h = (h << 5) - h + g_ascii_tolower(*p); } return h; } gint to_number(const gchar *nstr) { register const gchar *p; if (*nstr == '\0') return -1; for (p = nstr; *p != '\0'; p++) if (!g_ascii_isdigit(*p)) return -1; return atoi(nstr); } /* convert integer into string, nstr must be not lower than 11 characters length */ gchar *itos_buf(gchar *nstr, gint n) { g_snprintf(nstr, 11, "%d", n); return nstr; } /* convert integer into string */ gchar *itos(gint n) { static gchar nstr[11]; return itos_buf(nstr, n); } #define divide(num,divisor,i,d) \ { \ i = num >> divisor; \ d = num & ((1<> divisor; \ } /*! * \brief Convert a given size in bytes in a human-readable string * * \param size The size expressed in bytes to convert in string * \return The string that respresents the size in an human-readable way */ gchar *to_human_readable(goffset size) { static gchar str[14]; static gchar *b_format = NULL, *kb_format = NULL, *mb_format = NULL, *gb_format = NULL; register int t = 0, r = 0; if (b_format == NULL) { b_format = _("%dB"); kb_format = _("%d.%02dKB"); mb_format = _("%d.%02dMB"); gb_format = _("%.2fGB"); } if (size < (goffset)1024) { g_snprintf(str, sizeof(str), b_format, (gint)size); return str; } else if (size >> 10 < (goffset)1024) { divide(size, 10, t, r); g_snprintf(str, sizeof(str), kb_format, t, r); return str; } else if (size >> 20 < (goffset)1024) { divide(size, 20, t, r); g_snprintf(str, sizeof(str), mb_format, t, r); return str; } else { g_snprintf(str, sizeof(str), gb_format, (gfloat)(size >> 30)); return str; } } /* compare paths */ gint path_cmp(const gchar *s1, const gchar *s2) { gint len1, len2; int rc; #ifdef G_OS_WIN32 gchar *s1buf, *s2buf; #endif if (s1 == NULL || s2 == NULL) return -1; if (*s1 == '\0' || *s2 == '\0') return -1; #ifdef G_OS_WIN32 s1buf = g_strdup (s1); s2buf = g_strdup (s2); subst_char (s1buf, '/', G_DIR_SEPARATOR); subst_char (s2buf, '/', G_DIR_SEPARATOR); s1 = s1buf; s2 = s2buf; #endif /* !G_OS_WIN32 */ len1 = strlen(s1); len2 = strlen(s2); if (s1[len1 - 1] == G_DIR_SEPARATOR) len1--; if (s2[len2 - 1] == G_DIR_SEPARATOR) len2--; rc = strncmp(s1, s2, MAX(len1, len2)); #ifdef G_OS_WIN32 g_free (s1buf); g_free (s2buf); #endif /* !G_OS_WIN32 */ return rc; } /* remove trailing return code */ gchar *strretchomp(gchar *str) { register gchar *s; if (!*str) return str; for (s = str + strlen(str) - 1; s >= str && (*s == '\n' || *s == '\r'); s--) *s = '\0'; return str; } /* remove trailing character */ gchar *strtailchomp(gchar *str, gchar tail_char) { register gchar *s; if (!*str) return str; if (tail_char == '\0') return str; for (s = str + strlen(str) - 1; s >= str && *s == tail_char; s--) *s = '\0'; return str; } /* remove CR (carriage return) */ gchar *strcrchomp(gchar *str) { register gchar *s; if (!*str) return str; s = str + strlen(str) - 1; if (*s == '\n' && s > str && *(s - 1) == '\r') { *(s - 1) = '\n'; *s = '\0'; } return str; } #ifndef HAVE_STRCASESTR /* Similar to `strstr' but this function ignores the case of both strings. */ gchar *strcasestr(const gchar *haystack, const gchar *needle) { size_t haystack_len = strlen(haystack); return strncasestr(haystack, haystack_len, needle); } #endif /* HAVE_STRCASESTR */ gchar *strncasestr(const gchar *haystack, gint haystack_len, const gchar *needle) { register size_t needle_len; needle_len = strlen(needle); if (haystack_len < needle_len || needle_len == 0) return NULL; while (haystack_len >= needle_len) { if (!g_ascii_strncasecmp(haystack, needle, needle_len)) return (gchar *)haystack; else { haystack++; haystack_len--; } } return NULL; } gpointer my_memmem(gconstpointer haystack, size_t haystacklen, gconstpointer needle, size_t needlelen) { const gchar *haystack_ = (const gchar *)haystack; const gchar *needle_ = (const gchar *)needle; const gchar *haystack_cur = (const gchar *)haystack; size_t haystack_left = haystacklen; if (needlelen == 1) return memchr(haystack_, *needle_, haystacklen); while ((haystack_cur = memchr(haystack_cur, *needle_, haystack_left)) != NULL) { if (haystacklen - (haystack_cur - haystack_) < needlelen) break; if (memcmp(haystack_cur + 1, needle_ + 1, needlelen - 1) == 0) return (gpointer)haystack_cur; else{ haystack_cur++; haystack_left = haystacklen - (haystack_cur - haystack_); } } return NULL; } /* Copy no more than N characters of SRC to DEST, with NULL terminating. */ gchar *strncpy2(gchar *dest, const gchar *src, size_t n) { register const gchar *s = src; register gchar *d = dest; while (--n && *s) *d++ = *s++; *d = '\0'; return dest; } /* Examine if next block is non-ASCII string */ gboolean is_next_nonascii(const gchar *s) { const gchar *p; /* skip head space */ for (p = s; *p != '\0' && g_ascii_isspace(*p); p++) ; for (; *p != '\0' && !g_ascii_isspace(*p); p++) { if (*(guchar *)p > 127 || *(guchar *)p < 32) return TRUE; } return FALSE; } gint get_next_word_len(const gchar *s) { gint len = 0; for (; *s != '\0' && !g_ascii_isspace(*s); s++, len++) ; return len; } static void trim_subject_for_compare(gchar *str) { gchar *srcp; eliminate_parenthesis(str, '[', ']'); eliminate_parenthesis(str, '(', ')'); g_strstrip(str); srcp = str + subject_get_prefix_length(str); if (srcp != str) memmove(str, srcp, strlen(srcp) + 1); } static void trim_subject_for_sort(gchar *str) { gchar *srcp; g_strstrip(str); srcp = str + subject_get_prefix_length(str); if (srcp != str) memmove(str, srcp, strlen(srcp) + 1); } /* compare subjects */ gint subject_compare(const gchar *s1, const gchar *s2) { gchar *str1, *str2; if (!s1 || !s2) return -1; if (!*s1 || !*s2) return -1; Xstrdup_a(str1, s1, return -1); Xstrdup_a(str2, s2, return -1); trim_subject_for_compare(str1); trim_subject_for_compare(str2); if (!*str1 || !*str2) return -1; return strcmp(str1, str2); } gint subject_compare_for_sort(const gchar *s1, const gchar *s2) { gchar *str1, *str2; if (!s1 || !s2) return -1; Xstrdup_a(str1, s1, return -1); Xstrdup_a(str2, s2, return -1); trim_subject_for_sort(str1); trim_subject_for_sort(str2); return g_utf8_collate(str1, str2); } void trim_subject(gchar *str) { register gchar *srcp; gchar op, cl; gint in_brace; g_strstrip(str); srcp = str + subject_get_prefix_length(str); if (*srcp == '[') { op = '['; cl = ']'; } else if (*srcp == '(') { op = '('; cl = ')'; } else op = 0; if (op) { ++srcp; in_brace = 1; while (*srcp) { if (*srcp == op) in_brace++; else if (*srcp == cl) in_brace--; srcp++; if (in_brace == 0) break; } } while (g_ascii_isspace(*srcp)) srcp++; memmove(str, srcp, strlen(srcp) + 1); } void eliminate_parenthesis(gchar *str, gchar op, gchar cl) { register gchar *srcp, *destp; gint in_brace; destp = str; while ((destp = strchr(destp, op))) { in_brace = 1; srcp = destp + 1; while (*srcp) { if (*srcp == op) in_brace++; else if (*srcp == cl) in_brace--; srcp++; if (in_brace == 0) break; } while (g_ascii_isspace(*srcp)) srcp++; memmove(destp, srcp, strlen(srcp) + 1); } } void extract_parenthesis(gchar *str, gchar op, gchar cl) { register gchar *srcp, *destp; gint in_brace; destp = str; while ((srcp = strchr(destp, op))) { if (destp > str) *destp++ = ' '; memmove(destp, srcp + 1, strlen(srcp)); in_brace = 1; while(*destp) { if (*destp == op) in_brace++; else if (*destp == cl) in_brace--; if (in_brace == 0) break; destp++; } } *destp = '\0'; } static void extract_parenthesis_with_skip_quote(gchar *str, gchar quote_chr, gchar op, gchar cl) { register gchar *srcp, *destp; gint in_brace; gboolean in_quote = FALSE; destp = str; while ((srcp = strchr_with_skip_quote(destp, quote_chr, op))) { if (destp > str) *destp++ = ' '; memmove(destp, srcp + 1, strlen(srcp)); in_brace = 1; while(*destp) { if (*destp == op && !in_quote) in_brace++; else if (*destp == cl && !in_quote) in_brace--; else if (*destp == quote_chr) in_quote ^= TRUE; if (in_brace == 0) break; destp++; } } *destp = '\0'; } void extract_quote(gchar *str, gchar quote_chr) { register gchar *p; if ((str = strchr(str, quote_chr))) { p = str; while ((p = strchr(p + 1, quote_chr)) && (p[-1] == '\\')) { memmove(p - 1, p, strlen(p) + 1); p--; } if(p) { *p = '\0'; memmove(str, str + 1, p - str); } } } /* Returns a newly allocated string with all quote_chr not at the beginning or the end of str escaped with '\' or the given str if not required. */ gchar *escape_internal_quotes(gchar *str, gchar quote_chr) { register gchar *p, *q; gchar *qstr; int k = 0, l = 0; if (str == NULL || *str == '\0') return str; /* search for unescaped quote_chr */ p = str; if (*p == quote_chr) ++p, ++l; while (*p) { if (*p == quote_chr && *(p - 1) != '\\' && *(p + 1) != '\0') ++k; ++p, ++l; } if (!k) /* nothing to escape */ return str; /* unescaped quote_chr found */ qstr = g_malloc(l + k + 1); p = str; q = qstr; if (*p == quote_chr) { *q = quote_chr; ++p, ++q; } while (*p) { if (*p == quote_chr && *(p - 1) != '\\' && *(p + 1) != '\0') *q++ = '\\'; *q++ = *p++; } *q = '\0'; return qstr; } void eliminate_address_comment(gchar *str) { register gchar *srcp, *destp; gint in_brace; destp = str; while ((destp = strchr(destp, '"'))) { if ((srcp = strchr(destp + 1, '"'))) { srcp++; if (*srcp == '@') { destp = srcp + 1; } else { while (g_ascii_isspace(*srcp)) srcp++; memmove(destp, srcp, strlen(srcp) + 1); } } else { *destp = '\0'; break; } } destp = str; while ((destp = strchr_with_skip_quote(destp, '"', '('))) { in_brace = 1; srcp = destp + 1; while (*srcp) { if (*srcp == '(') in_brace++; else if (*srcp == ')') in_brace--; srcp++; if (in_brace == 0) break; } while (g_ascii_isspace(*srcp)) srcp++; memmove(destp, srcp, strlen(srcp) + 1); } } gchar *strchr_with_skip_quote(const gchar *str, gint quote_chr, gint c) { gboolean in_quote = FALSE; while (*str) { if (*str == c && !in_quote) return (gchar *)str; if (*str == quote_chr) in_quote ^= TRUE; str++; } return NULL; } void extract_address(gchar *str) { cm_return_if_fail(str != NULL); eliminate_address_comment(str); if (strchr_with_skip_quote(str, '"', '<')) extract_parenthesis_with_skip_quote(str, '"', '<', '>'); g_strstrip(str); } void extract_list_id_str(gchar *str) { if (strchr_with_skip_quote(str, '"', '<')) extract_parenthesis_with_skip_quote(str, '"', '<', '>'); g_strstrip(str); } static GSList *address_list_append_real(GSList *addr_list, const gchar *str, gboolean removecomments) { gchar *work; gchar *workp; if (!str) return addr_list; Xstrdup_a(work, str, return addr_list); if (removecomments) eliminate_address_comment(work); workp = work; while (workp && *workp) { gchar *p, *next; if ((p = strchr_with_skip_quote(workp, '"', ','))) { *p = '\0'; next = p + 1; } else next = NULL; if (removecomments && strchr_with_skip_quote(workp, '"', '<')) extract_parenthesis_with_skip_quote (workp, '"', '<', '>'); g_strstrip(workp); if (*workp) addr_list = g_slist_append(addr_list, g_strdup(workp)); workp = next; } return addr_list; } GSList *address_list_append(GSList *addr_list, const gchar *str) { return address_list_append_real(addr_list, str, TRUE); } GSList *address_list_append_with_comments(GSList *addr_list, const gchar *str) { return address_list_append_real(addr_list, str, FALSE); } GSList *references_list_prepend(GSList *msgid_list, const gchar *str) { const gchar *strp; if (!str) return msgid_list; strp = str; while (strp && *strp) { const gchar *start, *end; gchar *msgid; if ((start = strchr(strp, '<')) != NULL) { end = strchr(start + 1, '>'); if (!end) break; } else break; msgid = g_strndup(start + 1, end - start - 1); g_strstrip(msgid); if (*msgid) msgid_list = g_slist_prepend(msgid_list, msgid); else g_free(msgid); strp = end + 1; } return msgid_list; } GSList *references_list_append(GSList *msgid_list, const gchar *str) { GSList *list; list = references_list_prepend(NULL, str); list = g_slist_reverse(list); msgid_list = g_slist_concat(msgid_list, list); return msgid_list; } GSList *newsgroup_list_append(GSList *group_list, const gchar *str) { gchar *work; gchar *workp; if (!str) return group_list; Xstrdup_a(work, str, return group_list); workp = work; while (workp && *workp) { gchar *p, *next; if ((p = strchr_with_skip_quote(workp, '"', ','))) { *p = '\0'; next = p + 1; } else next = NULL; g_strstrip(workp); if (*workp) group_list = g_slist_append(group_list, g_strdup(workp)); workp = next; } return group_list; } GList *add_history(GList *list, const gchar *str) { GList *old; gchar *oldstr; cm_return_val_if_fail(str != NULL, list); old = g_list_find_custom(list, (gpointer)str, (GCompareFunc)g_strcmp0); if (old) { oldstr = old->data; list = g_list_remove(list, old->data); g_free(oldstr); } else if (g_list_length(list) >= MAX_HISTORY_SIZE) { GList *last; last = g_list_last(list); if (last) { oldstr = last->data; list = g_list_remove(list, last->data); g_free(oldstr); } } list = g_list_prepend(list, g_strdup(str)); return list; } void remove_return(gchar *str) { register gchar *p = str; while (*p) { if (*p == '\n' || *p == '\r') memmove(p, p + 1, strlen(p)); else p++; } } void remove_space(gchar *str) { register gchar *p = str; register gint spc; while (*p) { spc = 0; while (g_ascii_isspace(*(p + spc))) spc++; if (spc) memmove(p, p + spc, strlen(p + spc) + 1); else p++; } } void unfold_line(gchar *str) { register gchar *ch; register gunichar c; register gint len; ch = str; /* iterator for source string */ while (*ch != 0) { c = g_utf8_get_char_validated(ch, -1); if (c == (gunichar)-1 || c == (gunichar)-2) { /* non-unicode byte, move past it */ ch++; continue; } len = g_unichar_to_utf8(c, NULL); if ((!g_unichar_isdefined(c) || !g_unichar_isprint(c) || g_unichar_isspace(c)) && c != 173) { /* replace anything bad or whitespacey with a single space */ *ch = ' '; ch++; if (len > 1) { /* move rest of the string forwards, since we just replaced * a multi-byte sequence with one byte */ memmove(ch, ch + len-1, strlen(ch + len-1) + 1); } } else { /* A valid unicode character, copy it. */ ch += len; } } } void subst_char(gchar *str, gchar orig, gchar subst) { register gchar *p = str; while (*p) { if (*p == orig) *p = subst; p++; } } void subst_chars(gchar *str, gchar *orig, gchar subst) { register gchar *p = str; while (*p) { if (strchr(orig, *p) != NULL) *p = subst; p++; } } void subst_for_filename(gchar *str) { if (!str) return; #ifdef G_OS_WIN32 subst_chars(str, "\t\r\n\\/*?:", '_'); #else subst_chars(str, "\t\r\n\\/*", '_'); #endif } void subst_for_shellsafe_filename(gchar *str) { if (!str) return; subst_for_filename(str); subst_chars(str, " \"'|&;()<>'!{}[]",'_'); } gboolean is_ascii_str(const gchar *str) { const guchar *p = (const guchar *)str; while (*p != '\0') { if (*p != '\t' && *p != ' ' && *p != '\r' && *p != '\n' && (*p < 32 || *p >= 127)) return FALSE; p++; } return TRUE; } static const gchar * line_has_quote_char_last(const gchar * str, const gchar *quote_chars) { gchar * position = NULL; gchar * tmp_pos = NULL; int i; if (str == NULL || quote_chars == NULL) return NULL; for (i = 0; i < strlen(quote_chars); i++) { tmp_pos = strrchr (str, quote_chars[i]); if(position == NULL || (tmp_pos != NULL && position <= tmp_pos) ) position = tmp_pos; } return position; } gint get_quote_level(const gchar *str, const gchar *quote_chars) { const gchar *first_pos; const gchar *last_pos; const gchar *p = str; gint quote_level = -1; /* speed up line processing by only searching to the last '>' */ if ((first_pos = line_has_quote_char(str, quote_chars)) != NULL) { /* skip a line if it contains a '<' before the initial '>' */ if (memchr(str, '<', first_pos - str) != NULL) return -1; last_pos = line_has_quote_char_last(first_pos, quote_chars); } else return -1; while (p <= last_pos) { while (p < last_pos) { if (g_ascii_isspace(*p)) p++; else break; } if (strchr(quote_chars, *p)) quote_level++; else if (*p != '-' && !g_ascii_isspace(*p) && p <= last_pos) { /* any characters are allowed except '-','<' and space */ while (*p != '-' && *p != '<' && !strchr(quote_chars, *p) && !g_ascii_isspace(*p) && p < last_pos) p++; if (strchr(quote_chars, *p)) quote_level++; else break; } p++; } return quote_level; } gint check_line_length(const gchar *str, gint max_chars, gint *line) { const gchar *p = str, *q; gint cur_line = 0, len; while ((q = strchr(p, '\n')) != NULL) { len = q - p + 1; if (len > max_chars) { if (line) *line = cur_line; return -1; } p = q + 1; ++cur_line; } len = strlen(p); if (len > max_chars) { if (line) *line = cur_line; return -1; } return 0; } const gchar * line_has_quote_char(const gchar * str, const gchar *quote_chars) { gchar * position = NULL; gchar * tmp_pos = NULL; int i; if (str == NULL || quote_chars == NULL) return NULL; for (i = 0; i < strlen(quote_chars); i++) { tmp_pos = strchr (str, quote_chars[i]); if(position == NULL || (tmp_pos != NULL && position >= tmp_pos) ) position = tmp_pos; } return position; } static gchar *strstr_with_skip_quote(const gchar *haystack, const gchar *needle) { register guint haystack_len, needle_len; gboolean in_squote = FALSE, in_dquote = FALSE; haystack_len = strlen(haystack); needle_len = strlen(needle); if (haystack_len < needle_len || needle_len == 0) return NULL; while (haystack_len >= needle_len) { if (!in_squote && !in_dquote && !strncmp(haystack, needle, needle_len)) return (gchar *)haystack; /* 'foo"bar"' -> foo"bar" "foo'bar'" -> foo'bar' */ if (*haystack == '\'') { if (in_squote) in_squote = FALSE; else if (!in_dquote) in_squote = TRUE; } else if (*haystack == '\"') { if (in_dquote) in_dquote = FALSE; else if (!in_squote) in_dquote = TRUE; } else if (*haystack == '\\') { haystack++; haystack_len--; } haystack++; haystack_len--; } return NULL; } gchar **strsplit_with_quote(const gchar *str, const gchar *delim, gint max_tokens) { GSList *string_list = NULL, *slist; gchar **str_array, *s, *new_str; guint i, n = 1, len; cm_return_val_if_fail(str != NULL, NULL); cm_return_val_if_fail(delim != NULL, NULL); if (max_tokens < 1) max_tokens = G_MAXINT; s = strstr_with_skip_quote(str, delim); if (s) { guint delimiter_len = strlen(delim); do { len = s - str; new_str = g_strndup(str, len); if (new_str[0] == '\'' || new_str[0] == '\"') { if (new_str[len - 1] == new_str[0]) { new_str[len - 1] = '\0'; memmove(new_str, new_str + 1, len - 1); } } string_list = g_slist_prepend(string_list, new_str); n++; str = s + delimiter_len; s = strstr_with_skip_quote(str, delim); } while (--max_tokens && s); } if (*str) { new_str = g_strdup(str); if (new_str[0] == '\'' || new_str[0] == '\"') { len = strlen(str); if (new_str[len - 1] == new_str[0]) { new_str[len - 1] = '\0'; memmove(new_str, new_str + 1, len - 1); } } string_list = g_slist_prepend(string_list, new_str); n++; } str_array = g_new(gchar*, n); i = n - 1; str_array[i--] = NULL; for (slist = string_list; slist; slist = slist->next) str_array[i--] = slist->data; g_slist_free(string_list); return str_array; } gchar *get_abbrev_newsgroup_name(const gchar *group, gint len) { gchar *abbrev_group; gchar *ap; const gchar *p = group; const gchar *last; cm_return_val_if_fail(group != NULL, NULL); last = group + strlen(group); abbrev_group = ap = g_malloc(strlen(group) + 1); while (*p) { while (*p == '.') *ap++ = *p++; if ((ap - abbrev_group) + (last - p) > len && strchr(p, '.')) { *ap++ = *p++; while (*p != '.') p++; } else { strcpy(ap, p); return abbrev_group; } } *ap = '\0'; return abbrev_group; } gchar *trim_string(const gchar *str, gint len) { const gchar *p = str; gint mb_len; gchar *new_str; gint new_len = 0; if (!str) return NULL; if (strlen(str) <= len) return g_strdup(str); if (g_utf8_validate(str, -1, NULL) == FALSE) return g_strdup(str); while (*p != '\0') { mb_len = g_utf8_skip[*(guchar *)p]; if (mb_len == 0) break; else if (new_len + mb_len > len) break; new_len += mb_len; p += mb_len; } Xstrndup_a(new_str, str, new_len, return g_strdup(str)); return g_strconcat(new_str, "...", NULL); } GList *uri_list_extract_filenames(const gchar *uri_list) { GList *result = NULL; const gchar *p, *q; gchar *escaped_utf8uri; p = uri_list; while (p) { if (*p != '#') { while (g_ascii_isspace(*p)) p++; if (!strncmp(p, "file:", 5)) { q = p; q += 5; while (*q && *q != '\n' && *q != '\r') q++; if (q > p) { gchar *file, *locale_file = NULL; q--; while (q > p && g_ascii_isspace(*q)) q--; Xalloca(escaped_utf8uri, q - p + 2, return result); Xalloca(file, q - p + 2, return result); *file = '\0'; strncpy(escaped_utf8uri, p, q - p + 1); escaped_utf8uri[q - p + 1] = '\0'; decode_uri_with_plus(file, escaped_utf8uri, FALSE); /* * g_filename_from_uri() rejects escaped/locale encoded uri * string which come from Nautilus. */ #ifndef G_OS_WIN32 if (g_utf8_validate(file, -1, NULL)) locale_file = conv_codeset_strdup( file + 5, CS_UTF_8, conv_get_locale_charset_str()); if (!locale_file) locale_file = g_strdup(file + 5); #else locale_file = g_filename_from_uri(escaped_utf8uri, NULL, NULL); #endif result = g_list_append(result, locale_file); } } } p = strchr(p, '\n'); if (p) p++; } return result; } /* Converts two-digit hexadecimal to decimal. Used for unescaping escaped * characters */ static gint axtoi(const gchar *hexstr) { gint hi, lo, result; hi = hexstr[0]; if ('0' <= hi && hi <= '9') { hi -= '0'; } else if ('a' <= hi && hi <= 'f') { hi -= ('a' - 10); } else if ('A' <= hi && hi <= 'F') { hi -= ('A' - 10); } lo = hexstr[1]; if ('0' <= lo && lo <= '9') { lo -= '0'; } else if ('a' <= lo && lo <= 'f') { lo -= ('a'-10); } else if ('A' <= lo && lo <= 'F') { lo -= ('A' - 10); } result = lo + (16 * hi); return result; } gboolean is_uri_string(const gchar *str) { while (str && *str && g_ascii_isspace(*str)) str++; return (g_ascii_strncasecmp(str, "http://", 7) == 0 || g_ascii_strncasecmp(str, "https://", 8) == 0 || g_ascii_strncasecmp(str, "ftp://", 6) == 0 || g_ascii_strncasecmp(str, "www.", 4) == 0); } gchar *get_uri_path(const gchar *uri) { while (uri && *uri && g_ascii_isspace(*uri)) uri++; if (g_ascii_strncasecmp(uri, "http://", 7) == 0) return (gchar *)(uri + 7); else if (g_ascii_strncasecmp(uri, "https://", 8) == 0) return (gchar *)(uri + 8); else if (g_ascii_strncasecmp(uri, "ftp://", 6) == 0) return (gchar *)(uri + 6); else return (gchar *)uri; } gint get_uri_len(const gchar *str) { const gchar *p; if (is_uri_string(str)) { for (p = str; *p != '\0'; p++) { if (!g_ascii_isgraph(*p) || strchr("<>\"", *p)) break; } return p - str; } return 0; } /* Decodes URL-Encoded strings (i.e. strings in which spaces are replaced by * plusses, and escape characters are used) */ void decode_uri_with_plus(gchar *decoded_uri, const gchar *encoded_uri, gboolean with_plus) { gchar *dec = decoded_uri; const gchar *enc = encoded_uri; while (*enc) { if (*enc == '%') { enc++; if (isxdigit((guchar)enc[0]) && isxdigit((guchar)enc[1])) { *dec = axtoi(enc); dec++; enc += 2; } } else { if (with_plus && *enc == '+') *dec = ' '; else *dec = *enc; dec++; enc++; } } *dec = '\0'; } void decode_uri(gchar *decoded_uri, const gchar *encoded_uri) { decode_uri_with_plus(decoded_uri, encoded_uri, TRUE); } static gchar *decode_uri_gdup(const gchar *encoded_uri) { gchar *buffer = g_malloc(strlen(encoded_uri)+1); decode_uri_with_plus(buffer, encoded_uri, FALSE); return buffer; } gint scan_mailto_url(const gchar *mailto, gchar **from, gchar **to, gchar **cc, gchar **bcc, gchar **subject, gchar **body, gchar ***attach, gchar **inreplyto) { gchar *tmp_mailto; gchar *p; const gchar *forbidden_uris[] = { ".gnupg/", "/etc/passwd", "/etc/shadow", ".ssh/", "../", NULL }; gint num_attach = 0; cm_return_val_if_fail(mailto != NULL, -1); Xstrdup_a(tmp_mailto, mailto, return -1); if (!strncmp(tmp_mailto, "mailto:", 7)) tmp_mailto += 7; p = strchr(tmp_mailto, '?'); if (p) { *p = '\0'; p++; } if (to && !*to) *to = decode_uri_gdup(tmp_mailto); while (p) { gchar *field, *value; field = p; p = strchr(p, '='); if (!p) break; *p = '\0'; p++; value = p; p = strchr(p, '&'); if (p) { *p = '\0'; p++; } if (*value == '\0') continue; if (from && !g_ascii_strcasecmp(field, "from")) { if (!*from) { *from = decode_uri_gdup(value); } else { gchar *tmp = decode_uri_gdup(value); gchar *new_from = g_strdup_printf("%s, %s", *from, tmp); g_free(tmp); g_free(*from); *from = new_from; } } else if (cc && !g_ascii_strcasecmp(field, "cc")) { if (!*cc) { *cc = decode_uri_gdup(value); } else { gchar *tmp = decode_uri_gdup(value); gchar *new_cc = g_strdup_printf("%s, %s", *cc, tmp); g_free(tmp); g_free(*cc); *cc = new_cc; } } else if (bcc && !g_ascii_strcasecmp(field, "bcc")) { if (!*bcc) { *bcc = decode_uri_gdup(value); } else { gchar *tmp = decode_uri_gdup(value); gchar *new_bcc = g_strdup_printf("%s, %s", *bcc, tmp); g_free(tmp); g_free(*bcc); *bcc = new_bcc; } } else if (subject && !*subject && !g_ascii_strcasecmp(field, "subject")) { *subject = decode_uri_gdup(value); } else if (body && !*body && !g_ascii_strcasecmp(field, "body")) { *body = decode_uri_gdup(value); } else if (body && !*body && !g_ascii_strcasecmp(field, "insert")) { int i = 0; gchar *tmp = decode_uri_gdup(value); for (; forbidden_uris[i]; i++) { if (strstr(tmp, forbidden_uris[i])) { g_print("Refusing to insert '%s', potential private data leak\n", tmp); g_free(tmp); tmp = NULL; break; } } if (tmp) { if (!is_file_entry_regular(tmp)) { g_warning("Refusing to insert '%s', not a regular file\n", tmp); } else if (!g_file_get_contents(tmp, body, NULL, NULL)) { g_warning("couldn't set insert file '%s' in body", value); } g_free(tmp); } } else if (attach && !g_ascii_strcasecmp(field, "attach")) { int i = 0; gchar *tmp = decode_uri_gdup(value); gchar **my_att = g_malloc(sizeof(char *)); my_att[0] = NULL; for (; forbidden_uris[i]; i++) { if (strstr(tmp, forbidden_uris[i])) { g_print("Refusing to attach '%s', potential private data leak\n", tmp); g_free(tmp); g_free(my_att); tmp = NULL; break; } } if (tmp) { /* attach is correct */ num_attach++; my_att = g_realloc(my_att, (sizeof(char *))*(num_attach+1)); my_att[num_attach-1] = tmp; my_att[num_attach] = NULL; *attach = my_att; } } else if (inreplyto && !*inreplyto && !g_ascii_strcasecmp(field, "in-reply-to")) { *inreplyto = decode_uri_gdup(value); } } return 0; } #ifdef G_OS_WIN32 #include #ifndef CSIDL_APPDATA #define CSIDL_APPDATA 0x001a #endif #ifndef CSIDL_LOCAL_APPDATA #define CSIDL_LOCAL_APPDATA 0x001c #endif #ifndef CSIDL_FLAG_CREATE #define CSIDL_FLAG_CREATE 0x8000 #endif #define DIM(v) (sizeof(v)/sizeof((v)[0])) #define RTLD_LAZY 0 const char * w32_strerror (int w32_errno) { static char strerr[256]; int ec = (int)GetLastError (); if (w32_errno == 0) w32_errno = ec; FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM, NULL, w32_errno, MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT), strerr, DIM (strerr)-1, NULL); return strerr; } static __inline__ void * dlopen (const char * name, int flag) { void * hd = LoadLibrary (name); return hd; } static __inline__ void * dlsym (void * hd, const char * sym) { if (hd && sym) { void * fnc = GetProcAddress (hd, sym); if (!fnc) return NULL; return fnc; } return NULL; } static __inline__ const char * dlerror (void) { return w32_strerror (0); } static __inline__ int dlclose (void * hd) { if (hd) { FreeLibrary (hd); return 0; } return -1; } static HRESULT w32_shgetfolderpath (HWND a, int b, HANDLE c, DWORD d, LPSTR e) { static int initialized; static HRESULT (WINAPI * func)(HWND,int,HANDLE,DWORD,LPSTR); if (!initialized) { static char *dllnames[] = { "shell32.dll", "shfolder.dll", NULL }; void *handle; int i; initialized = 1; for (i=0, handle = NULL; !handle && dllnames[i]; i++) { handle = dlopen (dllnames[i], RTLD_LAZY); if (handle) { func = dlsym (handle, "SHGetFolderPathW"); if (!func) { dlclose (handle); handle = NULL; } } } } if (func) return func (a,b,c,d,e); else return -1; } /* Returns a static string with the directroy from which the module has been loaded. Returns an empty string on error. */ static char *w32_get_module_dir(void) { static char *moddir; if (!moddir) { char name[MAX_PATH+10]; char *p; if ( !GetModuleFileNameA (0, name, sizeof (name)-10) ) *name = 0; else { p = strrchr (name, '\\'); if (p) *p = 0; else *name = 0; } moddir = g_strdup (name); } return moddir; } #endif /* G_OS_WIN32 */ /* Return a static string with the locale dir. */ const gchar *get_locale_dir(void) { static gchar *loc_dir; #ifdef G_OS_WIN32 if (!loc_dir) loc_dir = g_strconcat(w32_get_module_dir(), G_DIR_SEPARATOR_S, "\\share\\locale", NULL); #endif if (!loc_dir) loc_dir = LOCALEDIR; return loc_dir; } const gchar *get_home_dir(void) { #ifdef G_OS_WIN32 static char home_dir_utf16[MAX_PATH] = ""; static gchar *home_dir_utf8 = NULL; if (home_dir_utf16[0] == '\0') { if (w32_shgetfolderpath (NULL, CSIDL_APPDATA|CSIDL_FLAG_CREATE, NULL, 0, home_dir_utf16) < 0) strcpy (home_dir_utf16, "C:\\Claws Mail"); home_dir_utf8 = g_utf16_to_utf8 ((const gunichar2 *)home_dir_utf16, -1, NULL, NULL, NULL); } return home_dir_utf8; #else static const gchar *homeenv = NULL; if (homeenv) return homeenv; if (!homeenv && g_getenv("HOME") != NULL) homeenv = g_strdup(g_getenv("HOME")); if (!homeenv) homeenv = g_get_home_dir(); return homeenv; #endif } static gchar *claws_rc_dir = NULL; static gboolean rc_dir_alt = FALSE; const gchar *get_rc_dir(void) { if (!claws_rc_dir) { claws_rc_dir = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, RC_DIR, NULL); debug_print("using default rc_dir %s\n", claws_rc_dir); } return claws_rc_dir; } void set_rc_dir(const gchar *dir) { gchar *canonical_dir; if (claws_rc_dir != NULL) { g_print("Error: rc_dir already set\n"); } else { int err = cm_canonicalize_filename(dir, &canonical_dir); int len; if (err) { g_print("Error looking for %s: %d(%s)\n", dir, -err, g_strerror(-err)); exit(0); } rc_dir_alt = TRUE; claws_rc_dir = canonical_dir; len = strlen(claws_rc_dir); if (claws_rc_dir[len - 1] == G_DIR_SEPARATOR) claws_rc_dir[len - 1] = '\0'; debug_print("set rc_dir to %s\n", claws_rc_dir); if (!is_dir_exist(claws_rc_dir)) { if (make_dir_hier(claws_rc_dir) != 0) { g_print("Error: can't create %s\n", claws_rc_dir); exit(0); } } } } gboolean rc_dir_is_alt(void) { return rc_dir_alt; } const gchar *get_mail_base_dir(void) { return get_home_dir(); } const gchar *get_news_cache_dir(void) { static gchar *news_cache_dir = NULL; if (!news_cache_dir) news_cache_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, NEWS_CACHE_DIR, NULL); return news_cache_dir; } const gchar *get_imap_cache_dir(void) { static gchar *imap_cache_dir = NULL; if (!imap_cache_dir) imap_cache_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, IMAP_CACHE_DIR, NULL); return imap_cache_dir; } const gchar *get_mime_tmp_dir(void) { static gchar *mime_tmp_dir = NULL; if (!mime_tmp_dir) mime_tmp_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MIME_TMP_DIR, NULL); return mime_tmp_dir; } const gchar *get_template_dir(void) { static gchar *template_dir = NULL; if (!template_dir) template_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, TEMPLATE_DIR, NULL); return template_dir; } #ifdef G_OS_WIN32 const gchar *w32_get_cert_file(void) { const gchar *cert_file = NULL; if (!cert_file) cert_file = g_strconcat(w32_get_module_dir(), "\\share\\claws-mail\\", "ca-certificates.crt", NULL); return cert_file; } #endif /* Return the filepath of the claws-mail.desktop file */ const gchar *get_desktop_file(void) { #ifdef DESKTOPFILEPATH return DESKTOPFILEPATH; #else return NULL; #endif } /* Return the default directory for Plugins. */ const gchar *get_plugin_dir(void) { #ifdef G_OS_WIN32 static gchar *plugin_dir = NULL; if (!plugin_dir) plugin_dir = g_strconcat(w32_get_module_dir(), "\\lib\\claws-mail\\plugins\\", NULL); return plugin_dir; #else if (is_dir_exist(PLUGINDIR)) return PLUGINDIR; else { static gchar *plugin_dir = NULL; if (!plugin_dir) plugin_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, "plugins", G_DIR_SEPARATOR_S, NULL); return plugin_dir; } #endif } #ifdef G_OS_WIN32 /* Return the default directory for Themes. */ const gchar *w32_get_themes_dir(void) { static gchar *themes_dir = NULL; if (!themes_dir) themes_dir = g_strconcat(w32_get_module_dir(), "\\share\\claws-mail\\themes", NULL); return themes_dir; } #endif const gchar *get_tmp_dir(void) { static gchar *tmp_dir = NULL; if (!tmp_dir) tmp_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, TMP_DIR, NULL); return tmp_dir; } gchar *get_tmp_file(void) { gchar *tmp_file; static guint32 id = 0; tmp_file = g_strdup_printf("%s%ctmpfile.%08x", get_tmp_dir(), G_DIR_SEPARATOR, id++); return tmp_file; } const gchar *get_domain_name(void) { #ifdef G_OS_UNIX static gchar *domain_name = NULL; struct addrinfo hints, *res; char hostname[256]; int s; if (!domain_name) { if (gethostname(hostname, sizeof(hostname)) != 0) { perror("gethostname"); domain_name = "localhost"; } else { memset(&hints, 0, sizeof(struct addrinfo)); hints.ai_family = AF_UNSPEC; hints.ai_socktype = 0; hints.ai_flags = AI_CANONNAME; hints.ai_protocol = 0; s = getaddrinfo(hostname, NULL, &hints, &res); if (s != 0) { fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(s)); domain_name = g_strdup(hostname); } else { domain_name = g_strdup(res->ai_canonname); freeaddrinfo(res); } } debug_print("domain name = %s\n", domain_name); } return domain_name; #else return "localhost"; #endif } /* Tells whether the given host address string is a valid representation of a * numerical IP (v4 or, if supported, v6) address. */ gboolean is_numeric_host_address(const gchar *hostaddress) { struct addrinfo hints, *res; int err; /* See what getaddrinfo makes of the string when told that it is a * numeric IP address representation. */ memset(&hints, 0, sizeof(struct addrinfo)); hints.ai_family = AF_UNSPEC; hints.ai_socktype = 0; hints.ai_flags = AI_NUMERICHOST; hints.ai_protocol = 0; err = getaddrinfo(hostaddress, NULL, &hints, &res); if (err == 0) freeaddrinfo(res); return (err == 0); } off_t get_file_size(const gchar *file) { #ifdef G_OS_WIN32 GFile *f; GFileInfo *fi; GError *error = NULL; goffset size; f = g_file_new_for_path(file); fi = g_file_query_info(f, "standard::size", G_FILE_QUERY_INFO_NONE, NULL, &error); if (error != NULL) { debug_print("get_file_size error: %s\n", error->message); g_error_free(error); g_object_unref(f); return -1; } size = g_file_info_get_size(fi); g_object_unref(fi); g_object_unref(f); return size; #else GStatBuf s; if (g_stat(file, &s) < 0) { FILE_OP_ERROR(file, "stat"); return -1; } return s.st_size; #endif } time_t get_file_mtime(const gchar *file) { GStatBuf s; if (g_stat(file, &s) < 0) { FILE_OP_ERROR(file, "stat"); return -1; } return s.st_mtime; } gboolean file_exist(const gchar *file, gboolean allow_fifo) { GStatBuf s; if (file == NULL) return FALSE; if (g_stat(file, &s) < 0) { if (ENOENT != errno) FILE_OP_ERROR(file, "stat"); return FALSE; } if (S_ISREG(s.st_mode) || (allow_fifo && S_ISFIFO(s.st_mode))) return TRUE; return FALSE; } /* Test on whether FILE is a relative file name. This is * straightforward for Unix but more complex for Windows. */ gboolean is_relative_filename(const gchar *file) { if (!file) return TRUE; #ifdef G_OS_WIN32 if ( *file == '\\' && file[1] == '\\' && strchr (file+2, '\\') ) return FALSE; /* Prefixed with a hostname - this can't * be a relative name. */ if ( ((*file >= 'a' && *file <= 'z') || (*file >= 'A' && *file <= 'Z')) && file[1] == ':') file += 2; /* Skip drive letter. */ return !(*file == '\\' || *file == '/'); #else return !(*file == G_DIR_SEPARATOR); #endif } gboolean is_dir_exist(const gchar *dir) { if (dir == NULL) return FALSE; return g_file_test(dir, G_FILE_TEST_IS_DIR); } gboolean is_file_entry_exist(const gchar *file) { if (file == NULL) return FALSE; return g_file_test(file, G_FILE_TEST_EXISTS); } gboolean is_file_entry_regular(const gchar *file) { if (file == NULL) return FALSE; return g_file_test(file, G_FILE_TEST_IS_REGULAR); } gboolean dirent_is_regular_file(struct dirent *d) { #if !defined(G_OS_WIN32) && defined(HAVE_DIRENT_D_TYPE) if (d->d_type == DT_REG) return TRUE; else if (d->d_type != DT_UNKNOWN) return FALSE; #endif return g_file_test(d->d_name, G_FILE_TEST_IS_REGULAR); } gint change_dir(const gchar *dir) { gchar *prevdir = NULL; if (debug_mode) prevdir = g_get_current_dir(); if (g_chdir(dir) < 0) { FILE_OP_ERROR(dir, "chdir"); if (debug_mode) g_free(prevdir); return -1; } else if (debug_mode) { gchar *cwd; cwd = g_get_current_dir(); if (strcmp(prevdir, cwd) != 0) g_print("current dir: %s\n", cwd); g_free(cwd); g_free(prevdir); } return 0; } gint make_dir(const gchar *dir) { if (g_mkdir(dir, S_IRWXU) < 0) { FILE_OP_ERROR(dir, "mkdir"); return -1; } if (g_chmod(dir, S_IRWXU) < 0) FILE_OP_ERROR(dir, "chmod"); return 0; } gint make_dir_hier(const gchar *dir) { gchar *parent_dir; const gchar *p; for (p = dir; (p = strchr(p, G_DIR_SEPARATOR)) != NULL; p++) { parent_dir = g_strndup(dir, p - dir); if (*parent_dir != '\0') { if (!is_dir_exist(parent_dir)) { if (make_dir(parent_dir) < 0) { g_free(parent_dir); return -1; } } } g_free(parent_dir); } if (!is_dir_exist(dir)) { if (make_dir(dir) < 0) return -1; } return 0; } gint remove_all_files(const gchar *dir) { GDir *dp; const gchar *file_name; gchar *tmp; if ((dp = g_dir_open(dir, 0, NULL)) == NULL) { g_warning("failed to open directory: %s", dir); return -1; } while ((file_name = g_dir_read_name(dp)) != NULL) { tmp = g_strconcat(dir, G_DIR_SEPARATOR_S, file_name, NULL); if (claws_unlink(tmp) < 0) FILE_OP_ERROR(tmp, "unlink"); g_free(tmp); } g_dir_close(dp); return 0; } gint remove_numbered_files(const gchar *dir, guint first, guint last) { GDir *dp; const gchar *dir_name; gchar *prev_dir; gint file_no; if (first == last) { /* Skip all the dir reading part. */ gchar *filename = g_strdup_printf("%s%s%u", dir, G_DIR_SEPARATOR_S, first); if (is_dir_exist(filename)) { /* a numbered directory with this name exists, * remove the dot-file instead */ g_free(filename); filename = g_strdup_printf("%s%s.%u", dir, G_DIR_SEPARATOR_S, first); } if (claws_unlink(filename) < 0) { FILE_OP_ERROR(filename, "unlink"); g_free(filename); return -1; } g_free(filename); return 0; } prev_dir = g_get_current_dir(); if (g_chdir(dir) < 0) { FILE_OP_ERROR(dir, "chdir"); g_free(prev_dir); return -1; } if ((dp = g_dir_open(".", 0, NULL)) == NULL) { g_warning("failed to open directory: %s", dir); g_free(prev_dir); return -1; } while ((dir_name = g_dir_read_name(dp)) != NULL) { file_no = to_number(dir_name); if (file_no > 0 && first <= file_no && file_no <= last) { if (is_dir_exist(dir_name)) { gchar *dot_file = g_strdup_printf(".%s", dir_name); if (is_file_exist(dot_file) && claws_unlink(dot_file) < 0) { FILE_OP_ERROR(dot_file, "unlink"); } g_free(dot_file); continue; } if (claws_unlink(dir_name) < 0) FILE_OP_ERROR(dir_name, "unlink"); } } g_dir_close(dp); if (g_chdir(prev_dir) < 0) { FILE_OP_ERROR(prev_dir, "chdir"); g_free(prev_dir); return -1; } g_free(prev_dir); return 0; } gint remove_numbered_files_not_in_list(const gchar *dir, GSList *numberlist) { GDir *dp; const gchar *dir_name; gchar *prev_dir; gint file_no; GHashTable *wanted_files; GSList *cur; GError *error = NULL; if (numberlist == NULL) return 0; prev_dir = g_get_current_dir(); if (g_chdir(dir) < 0) { FILE_OP_ERROR(dir, "chdir"); g_free(prev_dir); return -1; } if ((dp = g_dir_open(".", 0, &error)) == NULL) { g_message("Couldn't open current directory: %s (%d).\n", error->message, error->code); g_error_free(error); g_free(prev_dir); return -1; } wanted_files = g_hash_table_new(g_direct_hash, g_direct_equal); for (cur = numberlist; cur != NULL; cur = cur->next) { /* numberlist->data is expected to be GINT_TO_POINTER */ g_hash_table_insert(wanted_files, cur->data, GINT_TO_POINTER(1)); } while ((dir_name = g_dir_read_name(dp)) != NULL) { file_no = to_number(dir_name); if (is_dir_exist(dir_name)) continue; if (file_no > 0 && g_hash_table_lookup(wanted_files, GINT_TO_POINTER(file_no)) == NULL) { debug_print("removing unwanted file %d from %s\n", file_no, dir); if (is_dir_exist(dir_name)) { gchar *dot_file = g_strdup_printf(".%s", dir_name); if (is_file_exist(dot_file) && claws_unlink(dot_file) < 0) { FILE_OP_ERROR(dot_file, "unlink"); } g_free(dot_file); continue; } if (claws_unlink(dir_name) < 0) FILE_OP_ERROR(dir_name, "unlink"); } } g_dir_close(dp); g_hash_table_destroy(wanted_files); if (g_chdir(prev_dir) < 0) { FILE_OP_ERROR(prev_dir, "chdir"); g_free(prev_dir); return -1; } g_free(prev_dir); return 0; } gint remove_all_numbered_files(const gchar *dir) { return remove_numbered_files(dir, 0, UINT_MAX); } gint remove_dir_recursive(const gchar *dir) { GStatBuf s; GDir *dp; const gchar *dir_name; gchar *prev_dir; if (g_stat(dir, &s) < 0) { FILE_OP_ERROR(dir, "stat"); if (ENOENT == errno) return 0; return -(errno); } if (!S_ISDIR(s.st_mode)) { if (claws_unlink(dir) < 0) { FILE_OP_ERROR(dir, "unlink"); return -(errno); } return 0; } prev_dir = g_get_current_dir(); /* g_print("prev_dir = %s\n", prev_dir); */ if (!path_cmp(prev_dir, dir)) { g_free(prev_dir); if (g_chdir("..") < 0) { FILE_OP_ERROR(dir, "chdir"); return -(errno); } prev_dir = g_get_current_dir(); } if (g_chdir(dir) < 0) { FILE_OP_ERROR(dir, "chdir"); g_free(prev_dir); return -(errno); } if ((dp = g_dir_open(".", 0, NULL)) == NULL) { g_warning("failed to open directory: %s", dir); g_chdir(prev_dir); g_free(prev_dir); return -(errno); } /* remove all files in the directory */ while ((dir_name = g_dir_read_name(dp)) != NULL) { /* g_print("removing %s\n", dir_name); */ if (is_dir_exist(dir_name)) { gint ret; if ((ret = remove_dir_recursive(dir_name)) < 0) { g_warning("can't remove directory: %s", dir_name); return ret; } } else { if (claws_unlink(dir_name) < 0) FILE_OP_ERROR(dir_name, "unlink"); } } g_dir_close(dp); if (g_chdir(prev_dir) < 0) { FILE_OP_ERROR(prev_dir, "chdir"); g_free(prev_dir); return -(errno); } g_free(prev_dir); if (g_rmdir(dir) < 0) { FILE_OP_ERROR(dir, "rmdir"); return -(errno); } return 0; } /* convert line endings into CRLF. If the last line doesn't end with * linebreak, add it. */ gchar *canonicalize_str(const gchar *str) { const gchar *p; guint new_len = 0; gchar *out, *outp; for (p = str; *p != '\0'; ++p) { if (*p != '\r') { ++new_len; if (*p == '\n') ++new_len; } } if (p == str || *(p - 1) != '\n') new_len += 2; out = outp = g_malloc(new_len + 1); for (p = str; *p != '\0'; ++p) { if (*p != '\r') { if (*p == '\n') *outp++ = '\r'; *outp++ = *p; } } if (p == str || *(p - 1) != '\n') { *outp++ = '\r'; *outp++ = '\n'; } *outp = '\0'; return out; } gchar *normalize_newlines(const gchar *str) { const gchar *p; gchar *out, *outp; out = outp = g_malloc(strlen(str) + 1); for (p = str; *p != '\0'; ++p) { if (*p == '\r') { if (*(p + 1) != '\n') *outp++ = '\n'; } else *outp++ = *p; } *outp = '\0'; return out; } gchar *get_outgoing_rfc2822_str(FILE *fp) { gchar buf[BUFFSIZE]; GString *str; gchar *ret; str = g_string_new(NULL); /* output header part */ while (claws_fgets(buf, sizeof(buf), fp) != NULL) { strretchomp(buf); if (!g_ascii_strncasecmp(buf, "Bcc:", 4)) { gint next; for (;;) { next = fgetc(fp); if (next == EOF) break; else if (next != ' ' && next != '\t') { ungetc(next, fp); break; } if (claws_fgets(buf, sizeof(buf), fp) == NULL) break; } } else { g_string_append(str, buf); g_string_append(str, "\r\n"); if (buf[0] == '\0') break; } } /* output body part */ while (claws_fgets(buf, sizeof(buf), fp) != NULL) { strretchomp(buf); if (buf[0] == '.') g_string_append_c(str, '.'); g_string_append(str, buf); g_string_append(str, "\r\n"); } ret = str->str; g_string_free(str, FALSE); return ret; } /* * Create a new boundary in a way that it is very unlikely that this * will occur in the following text. It would be easy to ensure * uniqueness if everything is either quoted-printable or base64 * encoded (note that conversion is allowed), but because MIME bodies * may be nested, it may happen that the same boundary has already * been used. * * boundary := 0*69 bcharsnospace * bchars := bcharsnospace / " " * bcharsnospace := DIGIT / ALPHA / "'" / "(" / ")" / * "+" / "_" / "," / "-" / "." / * "/" / ":" / "=" / "?" * * some special characters removed because of buggy MTAs */ gchar *generate_mime_boundary(const gchar *prefix) { static gchar tbl[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "abcdefghijklmnopqrstuvwxyz" "1234567890+_./="; gchar buf_uniq[24]; gint i; for (i = 0; i < sizeof(buf_uniq) - 1; i++) buf_uniq[i] = tbl[g_random_int_range(0, sizeof(tbl) - 1)]; buf_uniq[i] = '\0'; return g_strdup_printf("%s_/%s", prefix ? prefix : "MP", buf_uniq); } char *fgets_crlf(char *buf, int size, FILE *stream) { gboolean is_cr = FALSE; gboolean last_was_cr = FALSE; int c = 0; char *cs; cs = buf; while (--size > 0 && (c = getc(stream)) != EOF) { *cs++ = c; is_cr = (c == '\r'); if (c == '\n') { break; } if (last_was_cr) { *(--cs) = '\n'; cs++; ungetc(c, stream); break; } last_was_cr = is_cr; } if (c == EOF && cs == buf) return NULL; *cs = '\0'; return buf; } static gint execute_async(gchar *const argv[], const gchar *working_directory) { cm_return_val_if_fail(argv != NULL && argv[0] != NULL, -1); if (g_spawn_async(working_directory, (gchar **)argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, NULL, FALSE) == FALSE) { g_warning("couldn't execute command: %s", argv[0]); return -1; } return 0; } static gint execute_sync(gchar *const argv[], const gchar *working_directory) { gint status; cm_return_val_if_fail(argv != NULL && argv[0] != NULL, -1); #ifdef G_OS_UNIX if (g_spawn_sync(working_directory, (gchar **)argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, NULL, NULL, &status, NULL) == FALSE) { g_warning("couldn't execute command: %s", argv[0]); return -1; } if (WIFEXITED(status)) return WEXITSTATUS(status); else return -1; #else if (g_spawn_sync(working_directory, (gchar **)argv, NULL, G_SPAWN_SEARCH_PATH| G_SPAWN_CHILD_INHERITS_STDIN| G_SPAWN_LEAVE_DESCRIPTORS_OPEN, NULL, NULL, NULL, NULL, &status, NULL) == FALSE) { g_warning("couldn't execute command: %s", argv[0]); return -1; } return status; #endif } gint execute_command_line(const gchar *cmdline, gboolean async, const gchar *working_directory) { gchar **argv; gint ret; cm_return_val_if_fail(cmdline != NULL, -1); debug_print("execute_command_line(): executing: %s\n", cmdline?cmdline:"(null)"); argv = strsplit_with_quote(cmdline, " ", 0); if (async) ret = execute_async(argv, working_directory); else ret = execute_sync(argv, working_directory); g_strfreev(argv); return ret; } gchar *get_command_output(const gchar *cmdline) { gchar *child_stdout; gint status; cm_return_val_if_fail(cmdline != NULL, NULL); debug_print("get_command_output(): executing: %s\n", cmdline); if (g_spawn_command_line_sync(cmdline, &child_stdout, NULL, &status, NULL) == FALSE) { g_warning("couldn't execute command: %s", cmdline); return NULL; } return child_stdout; } FILE *get_command_output_stream(const char* cmdline) { GPid pid; GError *err = NULL; gchar **argv = NULL; int fd; cm_return_val_if_fail(cmdline != NULL, NULL); debug_print("get_command_output_stream(): executing: %s\n", cmdline); /* turn the command-line string into an array */ if (!g_shell_parse_argv(cmdline, NULL, &argv, &err)) { g_warning("could not parse command line from '%s': %s\n", cmdline, err->message); g_error_free(err); return NULL; } if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, &pid, NULL, &fd, NULL, &err) && err) { g_warning("could not spawn '%s': %s\n", cmdline, err->message); g_error_free(err); g_strfreev(argv); return NULL; } g_strfreev(argv); return fdopen(fd, "r"); } static gint is_unchanged_uri_char(char c) { switch (c) { case '(': case ')': return 0; default: return 1; } } static void encode_uri(gchar *encoded_uri, gint bufsize, const gchar *uri) { int i; int k; k = 0; for(i = 0; i < strlen(uri) ; i++) { if (is_unchanged_uri_char(uri[i])) { if (k + 2 >= bufsize) break; encoded_uri[k++] = uri[i]; } else { char * hexa = "0123456789ABCDEF"; if (k + 4 >= bufsize) break; encoded_uri[k++] = '%'; encoded_uri[k++] = hexa[uri[i] / 16]; encoded_uri[k++] = hexa[uri[i] % 16]; } } encoded_uri[k] = 0; } gint open_uri(const gchar *uri, const gchar *cmdline) { #ifndef G_OS_WIN32 gchar buf[BUFFSIZE]; gchar *p; gchar encoded_uri[BUFFSIZE]; cm_return_val_if_fail(uri != NULL, -1); /* an option to choose whether to use encode_uri or not ? */ encode_uri(encoded_uri, BUFFSIZE, uri); if (cmdline && (p = strchr(cmdline, '%')) && *(p + 1) == 's' && !strchr(p + 2, '%')) g_snprintf(buf, sizeof(buf), cmdline, encoded_uri); else { if (cmdline) g_warning("Open URI command-line is invalid " "(there must be only one '%%s'): %s", cmdline); g_snprintf(buf, sizeof(buf), DEFAULT_BROWSER_CMD, encoded_uri); } execute_command_line(buf, TRUE, NULL); #else ShellExecute(NULL, "open", uri, NULL, NULL, SW_SHOW); #endif return 0; } gint open_txt_editor(const gchar *filepath, const gchar *cmdline) { gchar buf[BUFFSIZE]; gchar *p; cm_return_val_if_fail(filepath != NULL, -1); if (cmdline && (p = strchr(cmdline, '%')) && *(p + 1) == 's' && !strchr(p + 2, '%')) g_snprintf(buf, sizeof(buf), cmdline, filepath); else { if (cmdline) g_warning("Open Text Editor command-line is invalid " "(there must be only one '%%s'): %s", cmdline); g_snprintf(buf, sizeof(buf), DEFAULT_EDITOR_CMD, filepath); } execute_command_line(buf, TRUE, NULL); return 0; } time_t remote_tzoffset_sec(const gchar *zone) { static gchar ustzstr[] = "PSTPDTMSTMDTCSTCDTESTEDT"; gchar zone3[4]; gchar *p; gchar c; gint iustz; gint offset; time_t remoteoffset; strncpy(zone3, zone, 3); zone3[3] = '\0'; remoteoffset = 0; if (sscanf(zone, "%c%d", &c, &offset) == 2 && (c == '+' || c == '-')) { remoteoffset = ((offset / 100) * 60 + (offset % 100)) * 60; if (c == '-') remoteoffset = -remoteoffset; } else if (!strncmp(zone, "UT" , 2) || !strncmp(zone, "GMT", 3)) { remoteoffset = 0; } else if (strlen(zone3) == 3) { for (p = ustzstr; *p != '\0'; p += 3) { if (!g_ascii_strncasecmp(p, zone3, 3)) { iustz = ((gint)(p - ustzstr) / 3 + 1) / 2 - 8; remoteoffset = iustz * 3600; break; } } if (*p == '\0') return -1; } else if (strlen(zone3) == 1) { switch (zone[0]) { case 'Z': remoteoffset = 0; break; case 'A': remoteoffset = -1; break; case 'B': remoteoffset = -2; break; case 'C': remoteoffset = -3; break; case 'D': remoteoffset = -4; break; case 'E': remoteoffset = -5; break; case 'F': remoteoffset = -6; break; case 'G': remoteoffset = -7; break; case 'H': remoteoffset = -8; break; case 'I': remoteoffset = -9; break; case 'K': remoteoffset = -10; break; /* J is not used */ case 'L': remoteoffset = -11; break; case 'M': remoteoffset = -12; break; case 'N': remoteoffset = 1; break; case 'O': remoteoffset = 2; break; case 'P': remoteoffset = 3; break; case 'Q': remoteoffset = 4; break; case 'R': remoteoffset = 5; break; case 'S': remoteoffset = 6; break; case 'T': remoteoffset = 7; break; case 'U': remoteoffset = 8; break; case 'V': remoteoffset = 9; break; case 'W': remoteoffset = 10; break; case 'X': remoteoffset = 11; break; case 'Y': remoteoffset = 12; break; default: remoteoffset = 0; break; } remoteoffset = remoteoffset * 3600; } else return -1; return remoteoffset; } time_t tzoffset_sec(time_t *now) { struct tm gmt, *lt; gint off; struct tm buf1, buf2; #ifdef G_OS_WIN32 if (now && *now < 0) return 0; #endif gmt = *gmtime_r(now, &buf1); lt = localtime_r(now, &buf2); off = (lt->tm_hour - gmt.tm_hour) * 60 + lt->tm_min - gmt.tm_min; if (lt->tm_year < gmt.tm_year) off -= 24 * 60; else if (lt->tm_year > gmt.tm_year) off += 24 * 60; else if (lt->tm_yday < gmt.tm_yday) off -= 24 * 60; else if (lt->tm_yday > gmt.tm_yday) off += 24 * 60; if (off >= 24 * 60) /* should be impossible */ off = 23 * 60 + 59; /* if not, insert silly value */ if (off <= -24 * 60) off = -(23 * 60 + 59); return off * 60; } /* calculate timezone offset */ gchar *tzoffset(time_t *now) { static gchar offset_string[6]; struct tm gmt, *lt; gint off; gchar sign = '+'; struct tm buf1, buf2; #ifdef G_OS_WIN32 if (now && *now < 0) return 0; #endif gmt = *gmtime_r(now, &buf1); lt = localtime_r(now, &buf2); off = (lt->tm_hour - gmt.tm_hour) * 60 + lt->tm_min - gmt.tm_min; if (lt->tm_year < gmt.tm_year) off -= 24 * 60; else if (lt->tm_year > gmt.tm_year) off += 24 * 60; else if (lt->tm_yday < gmt.tm_yday) off -= 24 * 60; else if (lt->tm_yday > gmt.tm_yday) off += 24 * 60; if (off < 0) { sign = '-'; off = -off; } if (off >= 24 * 60) /* should be impossible */ off = 23 * 60 + 59; /* if not, insert silly value */ sprintf(offset_string, "%c%02d%02d", sign, off / 60, off % 60); return offset_string; } static void _get_rfc822_date(gchar *buf, gint len, gboolean hidetz) { struct tm *lt; time_t t; gchar day[4], mon[4]; gint dd, hh, mm, ss, yyyy; struct tm buf1; gchar buf2[RFC822_DATE_BUFFSIZE]; t = time(NULL); if (hidetz) lt = gmtime_r(&t, &buf1); else lt = localtime_r(&t, &buf1); if (sscanf(asctime_r(lt, buf2), "%3s %3s %d %d:%d:%d %d\n", day, mon, &dd, &hh, &mm, &ss, &yyyy) != 7) g_warning("failed reading date/time"); g_snprintf(buf, len, "%s, %d %s %d %02d:%02d:%02d %s", day, dd, mon, yyyy, hh, mm, ss, (hidetz? "-0000": tzoffset(&t))); } void get_rfc822_date(gchar *buf, gint len) { _get_rfc822_date(buf, len, FALSE); } void get_rfc822_date_hide_tz(gchar *buf, gint len) { _get_rfc822_date(buf, len, TRUE); } void debug_set_mode(gboolean mode) { debug_mode = mode; } gboolean debug_get_mode(void) { return debug_mode; } void debug_print_real(const gchar *format, ...) { va_list args; gchar buf[BUFFSIZE]; if (!debug_mode) return; va_start(args, format); g_vsnprintf(buf, sizeof(buf), format, args); va_end(args); g_print("%s", buf); } const char * debug_srcname(const char *file) { const char *s = strrchr (file, '/'); return s? s+1:file; } void * subject_table_lookup(GHashTable *subject_table, gchar * subject) { if (subject == NULL) subject = ""; else subject += subject_get_prefix_length(subject); return g_hash_table_lookup(subject_table, subject); } void subject_table_insert(GHashTable *subject_table, gchar * subject, void * data) { if (subject == NULL || *subject == 0) return; subject += subject_get_prefix_length(subject); g_hash_table_insert(subject_table, subject, data); } void subject_table_remove(GHashTable *subject_table, gchar * subject) { if (subject == NULL) return; subject += subject_get_prefix_length(subject); g_hash_table_remove(subject_table, subject); } static regex_t u_regex; static gboolean u_init_; void utils_free_regex(void) { if (u_init_) { regfree(&u_regex); u_init_ = FALSE; } } /*! *\brief Check if a string is prefixed with known (combinations) * of prefixes. The function assumes that each prefix * is terminated by zero or exactly _one_ space. * *\param str String to check for a prefixes * *\return int Number of chars in the prefix that should be skipped * for a "clean" subject line. If no prefix was found, 0 * is returned. */ int subject_get_prefix_length(const gchar *subject) { /*!< Array with allowable reply prefixes regexps. */ static const gchar * const prefixes[] = { "Re\\:", /* "Re:" */ "Re\\[[1-9][0-9]*\\]\\:", /* "Re[XXX]:" (non-conforming news mail clients) */ "Antw\\:", /* "Antw:" (Dutch / German Outlook) */ "Aw\\:", /* "Aw:" (German) */ "Antwort\\:", /* "Antwort:" (German Lotus Notes) */ "Res\\:", /* "Res:" (Spanish/Brazilian Outlook) */ "Fw\\:", /* "Fw:" Forward */ "Fwd\\:", /* "Fwd:" Forward */ "Enc\\:", /* "Enc:" Forward (Brazilian Outlook) */ "Odp\\:", /* "Odp:" Re (Polish Outlook) */ "Rif\\:", /* "Rif:" (Italian Outlook) */ "Sv\\:", /* "Sv" (Norwegian) */ "Vs\\:", /* "Vs" (Norwegian) */ "Ad\\:", /* "Ad" (Norwegian) */ "\347\255\224\345\244\215\\:", /* "Re" (Chinese, UTF-8) */ "R\303\251f\\. \\:", /* "R�f. :" (French Lotus Notes) */ "Re \\:", /* "Re :" (French Yahoo Mail) */ /* add more */ }; const int PREFIXES = sizeof prefixes / sizeof prefixes[0]; int n; regmatch_t pos; if (!subject) return 0; if (!*subject) return 0; if (!u_init_) { GString *s = g_string_new(""); for (n = 0; n < PREFIXES; n++) /* Terminate each prefix regexpression by a * "\ ?" (zero or ONE space), and OR them */ g_string_append_printf(s, "(%s\\ ?)%s", prefixes[n], n < PREFIXES - 1 ? "|" : ""); g_string_prepend(s, "("); g_string_append(s, ")+"); /* match at least once */ g_string_prepend(s, "^\\ *"); /* from beginning of line */ /* We now have something like "^\ *((PREFIX1\ ?)|(PREFIX2\ ?))+" * TODO: Should this be "^\ *(((PREFIX1)|(PREFIX2))\ ?)+" ??? */ if (regcomp(&u_regex, s->str, REG_EXTENDED | REG_ICASE)) { debug_print("Error compiling regexp %s\n", s->str); g_string_free(s, TRUE); return 0; } else { u_init_ = TRUE; g_string_free(s, TRUE); } } if (!regexec(&u_regex, subject, 1, &pos, 0) && pos.rm_so != -1) return pos.rm_eo; else return 0; } static guint g_stricase_hash(gconstpointer gptr) { guint hash_result = 0; const char *str; for (str = gptr; str && *str; str++) { hash_result += toupper(*str); } return hash_result; } static gint g_stricase_equal(gconstpointer gptr1, gconstpointer gptr2) { const char *str1 = gptr1; const char *str2 = gptr2; return !strcasecmp(str1, str2); } gint g_int_compare(gconstpointer a, gconstpointer b) { return GPOINTER_TO_INT(a) - GPOINTER_TO_INT(b); } /* quote_cmd_argument() return a quoted string safely usable in argument of a command. code is extracted and adapted from etPan! project -- DINH V. Ho�. */ gint quote_cmd_argument(gchar * result, guint size, const gchar * path) { const gchar * p; gchar * result_p; guint remaining; result_p = result; remaining = size; for(p = path ; * p != '\0' ; p ++) { if (isalnum((guchar)*p) || (* p == '/')) { if (remaining > 0) { * result_p = * p; result_p ++; remaining --; } else { result[size - 1] = '\0'; return -1; } } else { if (remaining >= 2) { * result_p = '\\'; result_p ++; * result_p = * p; result_p ++; remaining -= 2; } else { result[size - 1] = '\0'; return -1; } } } if (remaining > 0) { * result_p = '\0'; } else { result[size - 1] = '\0'; return -1; } return 0; } typedef struct { GNode *parent; GNodeMapFunc func; gpointer data; } GNodeMapData; static void g_node_map_recursive(GNode *node, gpointer data) { GNodeMapData *mapdata = (GNodeMapData *) data; GNode *newnode; GNodeMapData newmapdata; gpointer newdata; newdata = mapdata->func(node->data, mapdata->data); if (newdata != NULL) { newnode = g_node_new(newdata); g_node_append(mapdata->parent, newnode); newmapdata.parent = newnode; newmapdata.func = mapdata->func; newmapdata.data = mapdata->data; g_node_children_foreach(node, G_TRAVERSE_ALL, g_node_map_recursive, &newmapdata); } } GNode *g_node_map(GNode *node, GNodeMapFunc func, gpointer data) { GNode *root; GNodeMapData mapdata; cm_return_val_if_fail(node != NULL, NULL); cm_return_val_if_fail(func != NULL, NULL); root = g_node_new(func(node->data, data)); mapdata.parent = root; mapdata.func = func; mapdata.data = data; g_node_children_foreach(node, G_TRAVERSE_ALL, g_node_map_recursive, &mapdata); return root; } #define HEX_TO_INT(val, hex) \ { \ gchar c = hex; \ \ if ('0' <= c && c <= '9') { \ val = c - '0'; \ } else if ('a' <= c && c <= 'f') { \ val = c - 'a' + 10; \ } else if ('A' <= c && c <= 'F') { \ val = c - 'A' + 10; \ } else { \ val = -1; \ } \ } gboolean get_hex_value(guchar *out, gchar c1, gchar c2) { gint hi, lo; HEX_TO_INT(hi, c1); HEX_TO_INT(lo, c2); if (hi == -1 || lo == -1) return FALSE; *out = (hi << 4) + lo; return TRUE; } #define INT_TO_HEX(hex, val) \ { \ if ((val) < 10) \ hex = '0' + (val); \ else \ hex = 'A' + (val) - 10; \ } void get_hex_str(gchar *out, guchar ch) { gchar hex; INT_TO_HEX(hex, ch >> 4); *out++ = hex; INT_TO_HEX(hex, ch & 0x0f); *out = hex; } #undef REF_DEBUG #ifndef REF_DEBUG #define G_PRINT_REF 1 == 1 ? (void) 0 : (void) #else #define G_PRINT_REF g_print #endif /*! *\brief Register ref counted pointer. It is based on GBoxed, so should * work with anything that uses the GType system. The semantics * are similar to a C++ auto pointer, with the exception that * C doesn't have automatic closure (calling destructors) when * exiting a block scope. * Use the \ref G_TYPE_AUTO_POINTER macro instead of calling this * function directly. * *\return GType A GType type. */ GType g_auto_pointer_register(void) { static GType auto_pointer_type; if (!auto_pointer_type) auto_pointer_type = g_boxed_type_register_static ("G_TYPE_AUTO_POINTER", (GBoxedCopyFunc) g_auto_pointer_copy, (GBoxedFreeFunc) g_auto_pointer_free); return auto_pointer_type; } /*! *\brief Structure with g_new() allocated pointer guarded by the * auto pointer */ typedef struct AutoPointerRef { void (*free) (gpointer); gpointer pointer; glong cnt; } AutoPointerRef; /*! *\brief The auto pointer opaque structure that references the * pointer guard block. */ typedef struct AutoPointer { AutoPointerRef *ref; gpointer ptr; /*!< access to protected pointer */ } AutoPointer; /*! *\brief Creates an auto pointer for a g_new()ed pointer. Example: * *\code * * ... tell gtk_list_store it should use a G_TYPE_AUTO_POINTER * ... when assigning, copying and freeing storage elements * * gtk_list_store_new(N_S_COLUMNS, * G_TYPE_AUTO_POINTER, * -1); * * * Template *precious_data = g_new0(Template, 1); * g_pointer protect = g_auto_pointer_new(precious_data); * * gtk_list_store_set(container, &iter, * S_DATA, protect, * -1); * * ... the gtk_list_store has copied the pointer and * ... incremented its reference count, we should free * ... the auto pointer (in C++ a destructor would do * ... this for us when leaving block scope) * * g_auto_pointer_free(protect); * * ... gtk_list_store_set() now manages the data. When * ... *explicitly* requesting a pointer from the list * ... store, don't forget you get a copy that should be * ... freed with g_auto_pointer_free() eventually. * *\endcode * *\param pointer Pointer to be guarded. * *\return GAuto * Pointer that should be used in containers with * GType support. */ GAuto *g_auto_pointer_new(gpointer p) { AutoPointerRef *ref; AutoPointer *ptr; if (p == NULL) return NULL; ref = g_new0(AutoPointerRef, 1); ptr = g_new0(AutoPointer, 1); ref->pointer = p; ref->free = g_free; ref->cnt = 1; ptr->ref = ref; ptr->ptr = p; #ifdef REF_DEBUG G_PRINT_REF ("XXXX ALLOC(%lx)\n", p); #endif return ptr; } /*! *\brief Allocate an autopointer using the passed \a free function to * free the guarded pointer */ GAuto *g_auto_pointer_new_with_free(gpointer p, GFreeFunc free_) { AutoPointer *aptr; if (p == NULL) return NULL; aptr = g_auto_pointer_new(p); aptr->ref->free = free_; return aptr; } gpointer g_auto_pointer_get_ptr(GAuto *auto_ptr) { if (auto_ptr == NULL) return NULL; return ((AutoPointer *) auto_ptr)->ptr; } /*! *\brief Copies an auto pointer by. It's mostly not necessary * to call this function directly, unless you copy/assign * the guarded pointer. * *\param auto_ptr Auto pointer returned by previous call to * g_auto_pointer_new_XXX() * *\return gpointer An auto pointer */ GAuto *g_auto_pointer_copy(GAuto *auto_ptr) { AutoPointer *ptr; AutoPointerRef *ref; AutoPointer *newp; if (auto_ptr == NULL) return NULL; ptr = auto_ptr; ref = ptr->ref; newp = g_new0(AutoPointer, 1); newp->ref = ref; newp->ptr = ref->pointer; ++(ref->cnt); #ifdef REF_DEBUG G_PRINT_REF ("XXXX COPY(%lx) -- REF (%d)\n", ref->pointer, ref->cnt); #endif return newp; } /*! *\brief Free an auto pointer */ void g_auto_pointer_free(GAuto *auto_ptr) { AutoPointer *ptr; AutoPointerRef *ref; if (auto_ptr == NULL) return; ptr = auto_ptr; ref = ptr->ref; if (--(ref->cnt) == 0) { #ifdef REF_DEBUG G_PRINT_REF ("XXXX FREE(%lx) -- REF (%d)\n", ref->pointer, ref->cnt); #endif ref->free(ref->pointer); g_free(ref); } #ifdef REF_DEBUG else G_PRINT_REF ("XXXX DEREF(%lx) -- REF (%d)\n", ref->pointer, ref->cnt); #endif g_free(ptr); } void replace_returns(gchar *str) { if (!str) return; while (strstr(str, "\n")) { *strstr(str, "\n") = ' '; } while (strstr(str, "\r")) { *strstr(str, "\r") = ' '; } } /* get_uri_part() - retrieves a URI starting from scanpos. Returns TRUE if successful */ gboolean get_uri_part(const gchar *start, const gchar *scanpos, const gchar **bp, const gchar **ep, gboolean hdr) { const gchar *ep_; gint parenthese_cnt = 0; cm_return_val_if_fail(start != NULL, FALSE); cm_return_val_if_fail(scanpos != NULL, FALSE); cm_return_val_if_fail(bp != NULL, FALSE); cm_return_val_if_fail(ep != NULL, FALSE); *bp = scanpos; /* find end point of URI */ for (ep_ = scanpos; *ep_ != '\0'; ep_ = g_utf8_next_char(ep_)) { gunichar u = g_utf8_get_char_validated(ep_, -1); if (!g_unichar_isgraph(u) || u == (gunichar)-1 || strchr("[]{}<>\"", *ep_)) { break; } else if (strchr("(", *ep_)) { parenthese_cnt++; } else if (strchr(")", *ep_)) { if (parenthese_cnt > 0) parenthese_cnt--; else break; } } /* no punctuation at end of string */ /* FIXME: this stripping of trailing punctuations may bite with other URIs. * should pass some URI type to this function and decide on that whether * to perform punctuation stripping */ #define IS_REAL_PUNCT(ch) (g_ascii_ispunct(ch) && !strchr("/?=-_~)", ch)) for (; ep_ - 1 > scanpos + 1 && IS_REAL_PUNCT(*(ep_ - 1)); ep_--) ; #undef IS_REAL_PUNCT *ep = ep_; return TRUE; } gchar *make_uri_string(const gchar *bp, const gchar *ep) { while (bp && *bp && g_ascii_isspace(*bp)) bp++; return g_strndup(bp, ep - bp); } /* valid mail address characters */ #define IS_RFC822_CHAR(ch) \ (IS_ASCII(ch) && \ (ch) > 32 && \ (ch) != 127 && \ !g_ascii_isspace(ch) && \ !strchr("(),;<>\"", (ch))) /* alphabet and number within 7bit ASCII */ #define IS_ASCII_ALNUM(ch) (IS_ASCII(ch) && g_ascii_isalnum(ch)) #define IS_QUOTE(ch) ((ch) == '\'' || (ch) == '"') static GHashTable *create_domain_tab(void) { gint n; GHashTable *htab = g_hash_table_new(g_stricase_hash, g_stricase_equal); cm_return_val_if_fail(htab, NULL); for (n = 0; n < sizeof toplvl_domains / sizeof toplvl_domains[0]; n++) g_hash_table_insert(htab, (gpointer) toplvl_domains[n], (gpointer) toplvl_domains[n]); return htab; } static gboolean is_toplvl_domain(GHashTable *tab, const gchar *first, const gchar *last) { gchar buf[BUFFSIZE + 1]; const gchar *m = buf + BUFFSIZE + 1; register gchar *p; if (last - first > BUFFSIZE || first > last) return FALSE; for (p = buf; p < m && first < last; *p++ = *first++) ; *p = 0; return g_hash_table_lookup(tab, buf) != NULL; } /* get_email_part() - retrieves an email address. Returns TRUE if successful */ gboolean get_email_part(const gchar *start, const gchar *scanpos, const gchar **bp, const gchar **ep, gboolean hdr) { /* more complex than the uri part because we need to scan back and forward starting from * the scan position. */ gboolean result = FALSE; const gchar *bp_ = NULL; const gchar *ep_ = NULL; static GHashTable *dom_tab; const gchar *last_dot = NULL; const gchar *prelast_dot = NULL; const gchar *last_tld_char = NULL; /* the informative part of the email address (describing the name * of the email address owner) may contain quoted parts. the * closure stack stores the last encountered quotes. */ gchar closure_stack[128]; gchar *ptr = closure_stack; cm_return_val_if_fail(start != NULL, FALSE); cm_return_val_if_fail(scanpos != NULL, FALSE); cm_return_val_if_fail(bp != NULL, FALSE); cm_return_val_if_fail(ep != NULL, FALSE); if (hdr) { const gchar *start_quote = NULL; const gchar *end_quote = NULL; search_again: /* go to the real start */ if (start[0] == ',') start++; if (start[0] == ';') start++; while (start[0] == '\n' || start[0] == '\r') start++; while (start[0] == ' ' || start[0] == '\t') start++; *bp = start; /* check if there are quotes (to skip , in them) */ if (*start == '"') { start_quote = start; start++; end_quote = strstr(start, "\""); } else { start_quote = NULL; end_quote = NULL; } /* skip anything between quotes */ if (start_quote && end_quote) { start = end_quote; } /* find end (either , or ; or end of line) */ if (strstr(start, ",") && strstr(start, ";")) *ep = strstr(start,",") < strstr(start, ";") ? strstr(start, ",") : strstr(start, ";"); else if (strstr(start, ",")) *ep = strstr(start, ","); else if (strstr(start, ";")) *ep = strstr(start, ";"); else *ep = start+strlen(start); /* go back to real start */ if (start_quote && end_quote) { start = start_quote; } /* check there's still an @ in that, or search * further if possible */ if (strstr(start, "@") && strstr(start, "@") < *ep) return TRUE; else if (*ep < start+strlen(start)) { start = *ep; goto search_again; } else if (start_quote && strstr(start, "\"") && strstr(start, "\"") < *ep) { *bp = start_quote; return TRUE; } else return FALSE; } if (!dom_tab) dom_tab = create_domain_tab(); cm_return_val_if_fail(dom_tab, FALSE); /* scan start of address */ for (bp_ = scanpos - 1; bp_ >= start && IS_RFC822_CHAR(*(const guchar *)bp_); bp_--) ; /* TODO: should start with an alnum? */ bp_++; for (; bp_ < scanpos && !IS_ASCII_ALNUM(*(const guchar *)bp_); bp_++) ; if (bp_ != scanpos) { /* scan end of address */ for (ep_ = scanpos + 1; *ep_ && IS_RFC822_CHAR(*(const guchar *)ep_); ep_++) if (*ep_ == '.') { prelast_dot = last_dot; last_dot = ep_; if (*(last_dot + 1) == '.') { if (prelast_dot == NULL) return FALSE; last_dot = prelast_dot; break; } } /* TODO: really should terminate with an alnum? */ for (; ep_ > scanpos && !IS_ASCII_ALNUM(*(const guchar *)ep_); --ep_) ; ep_++; if (last_dot == NULL) return FALSE; if (last_dot >= ep_) last_dot = prelast_dot; if (last_dot == NULL || (scanpos + 1 >= last_dot)) return FALSE; last_dot++; for (last_tld_char = last_dot; last_tld_char < ep_; last_tld_char++) if (*last_tld_char == '?') break; if (is_toplvl_domain(dom_tab, last_dot, last_tld_char)) result = TRUE; *ep = ep_; *bp = bp_; } if (!result) return FALSE; if (*ep_ && bp_ != start && *(bp_ - 1) == '"' && *(ep_) == '"' && *(ep_ + 1) == ' ' && *(ep_ + 2) == '<' && IS_RFC822_CHAR(*(ep_ + 3))) { /* this informative part with an @ in it is * followed by the email address */ ep_ += 3; /* go to matching '>' (or next non-rfc822 char, like \n) */ for (; *ep_ != '>' && *ep_ != '\0' && IS_RFC822_CHAR(*ep_); ep_++) ; /* include the bracket */ if (*ep_ == '>') ep_++; /* include the leading quote */ bp_--; *ep = ep_; *bp = bp_; return TRUE; } /* skip if it's between quotes "'alfons@proteus.demon.nl'" */ if (bp_ - 1 > start && IS_QUOTE(*(bp_ - 1)) && IS_QUOTE(*ep_)) return FALSE; /* see if this is ; in this case we also scan for the informative part. */ if (bp_ - 1 <= start || *(bp_ - 1) != '<' || *ep_ != '>') return TRUE; #define FULL_STACK() ((size_t) (ptr - closure_stack) >= sizeof closure_stack) #define IN_STACK() (ptr > closure_stack) /* has underrun check */ #define POP_STACK() if(IN_STACK()) --ptr /* has overrun check */ #define PUSH_STACK(c) if(!FULL_STACK()) *ptr++ = (c); else return TRUE /* has underrun check */ #define PEEK_STACK() (IN_STACK() ? *(ptr - 1) : 0) ep_++; /* scan for the informative part. */ for (bp_ -= 2; bp_ >= start; bp_--) { /* if closure on the stack keep scanning */ if (PEEK_STACK() == *bp_) { POP_STACK(); continue; } if (!IN_STACK() && (*bp_ == '\'' || *bp_ == '"')) { PUSH_STACK(*bp_); continue; } /* if nothing in the closure stack, do the special conditions * the following if..else expression simply checks whether * a token is acceptable. if not acceptable, the clause * should terminate the loop with a 'break' */ if (!PEEK_STACK()) { if (*bp_ == '-' && (((bp_ - 1) >= start) && isalnum(*(bp_ - 1))) && (((bp_ + 1) < ep_) && isalnum(*(bp_ + 1)))) { /* hyphens are allowed, but only in between alnums */ } else if (strchr(" \"'", *bp_)) { /* but anything not being a punctiation is ok */ } else { break; /* anything else is rejected */ } } } bp_++; /* scan forward (should start with an alnum) */ for (; *bp_ != '<' && isspace(*bp_) && *bp_ != '"'; bp_++) ; #undef PEEK_STACK #undef PUSH_STACK #undef POP_STACK #undef IN_STACK #undef FULL_STACK *bp = bp_; *ep = ep_; return result; } #undef IS_QUOTE #undef IS_ASCII_ALNUM #undef IS_RFC822_CHAR gchar *make_email_string(const gchar *bp, const gchar *ep) { /* returns a mailto: URI; mailto: is also used to detect the * uri type later on in the button_pressed signal handler */ gchar *tmp; gchar *result; gchar *colon, *at; tmp = g_strndup(bp, ep - bp); /* If there is a colon in the username part of the address, * we're dealing with an URI for some other protocol - do * not prefix with mailto: in such case. */ colon = strchr(tmp, ':'); at = strchr(tmp, '@'); if (colon != NULL && at != NULL && colon < at) { result = tmp; } else { result = g_strconcat("mailto:", tmp, NULL); g_free(tmp); } return result; } gchar *make_http_string(const gchar *bp, const gchar *ep) { /* returns an http: URI; */ gchar *tmp; gchar *result; while (bp && *bp && g_ascii_isspace(*bp)) bp++; tmp = g_strndup(bp, ep - bp); result = g_strconcat("http://", tmp, NULL); g_free(tmp); return result; } static gchar *mailcap_get_command_in_file(const gchar *path, const gchar *type, const gchar *file_to_open) { FILE *fp = claws_fopen(path, "rb"); gchar buf[BUFFSIZE]; gchar *result = NULL; if (!fp) return NULL; while (claws_fgets(buf, sizeof (buf), fp) != NULL) { gchar **parts = g_strsplit(buf, ";", 3); gchar *trimmed = parts[0]; while (trimmed[0] == ' ' || trimmed[0] == '\t') trimmed++; while (trimmed[strlen(trimmed)-1] == ' ' || trimmed[strlen(trimmed)-1] == '\t') trimmed[strlen(trimmed)-1] = '\0'; if (!strcmp(trimmed, type)) { gboolean needsterminal = FALSE; if (parts[2] && strstr(parts[2], "needsterminal")) { needsterminal = TRUE; } if (parts[2] && strstr(parts[2], "test=")) { gchar *orig_testcmd = g_strdup(strstr(parts[2], "test=")+5); gchar *testcmd = orig_testcmd; if (strstr(testcmd,";")) *(strstr(testcmd,";")) = '\0'; while (testcmd[0] == ' ' || testcmd[0] == '\t') testcmd++; while (testcmd[strlen(testcmd)-1] == '\n') testcmd[strlen(testcmd)-1] = '\0'; while (testcmd[strlen(testcmd)-1] == '\r') testcmd[strlen(testcmd)-1] = '\0'; while (testcmd[strlen(testcmd)-1] == ' ' || testcmd[strlen(testcmd)-1] == '\t') testcmd[strlen(testcmd)-1] = '\0'; if (strstr(testcmd, "%s")) { gchar *tmp = g_strdup_printf(testcmd, file_to_open); gint res = system(tmp); g_free(tmp); g_free(orig_testcmd); if (res != 0) { g_strfreev(parts); continue; } } else { gint res = system(testcmd); g_free(orig_testcmd); if (res != 0) { g_strfreev(parts); continue; } } } trimmed = parts[1]; while (trimmed[0] == ' ' || trimmed[0] == '\t') trimmed++; while (trimmed[strlen(trimmed)-1] == '\n') trimmed[strlen(trimmed)-1] = '\0'; while (trimmed[strlen(trimmed)-1] == '\r') trimmed[strlen(trimmed)-1] = '\0'; while (trimmed[strlen(trimmed)-1] == ' ' || trimmed[strlen(trimmed)-1] == '\t') trimmed[strlen(trimmed)-1] = '\0'; result = g_strdup(trimmed); g_strfreev(parts); claws_fclose(fp); if (needsterminal) { gchar *tmp = g_strdup_printf("xterm -e %s", result); g_free(result); result = tmp; } return result; } g_strfreev(parts); } claws_fclose(fp); return NULL; } gchar *mailcap_get_command_for_type(const gchar *type, const gchar *file_to_open) { gchar *result = NULL; gchar *path = NULL; if (type == NULL) return NULL; path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".mailcap", NULL); result = mailcap_get_command_in_file(path, type, file_to_open); g_free(path); if (result) return result; result = mailcap_get_command_in_file("/etc/mailcap", type, file_to_open); return result; } void mailcap_update_default(const gchar *type, const gchar *command) { gchar *path = NULL, *outpath = NULL; path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".mailcap", NULL); outpath = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".mailcap.new", NULL); FILE *fp = claws_fopen(path, "rb"); FILE *outfp = NULL; gchar buf[BUFFSIZE]; gboolean err = FALSE; if (!fp) { fp = claws_fopen(path, "a"); if (!fp) { g_warning("failed to create file %s", path); g_free(path); g_free(outpath); return; } fp = g_freopen(path, "rb", fp); if (!fp) { g_warning("failed to reopen file %s", path); g_free(path); g_free(outpath); return; } } outfp = claws_fopen(outpath, "wb"); if (!outfp) { g_warning("failed to create file %s", outpath); g_free(path); g_free(outpath); claws_fclose(fp); return; } while (fp && claws_fgets(buf, sizeof (buf), fp) != NULL) { gchar **parts = g_strsplit(buf, ";", 3); gchar *trimmed = parts[0]; while (trimmed[0] == ' ') trimmed++; while (trimmed[strlen(trimmed)-1] == ' ') trimmed[strlen(trimmed)-1] = '\0'; if (!strcmp(trimmed, type)) { g_strfreev(parts); continue; } else { if(claws_fputs(buf, outfp) == EOF) { err = TRUE; break; } } g_strfreev(parts); } if (fprintf(outfp, "%s; %s\n", type, command) < 0) err = TRUE; if (fp) claws_fclose(fp); if (claws_safe_fclose(outfp) == EOF) err = TRUE; if (!err) g_rename(outpath, path); g_free(path); g_free(outpath); } /* crude test to see if a file is an email. */ gboolean file_is_email (const gchar *filename) { FILE *fp = NULL; gchar buffer[2048]; gint score = 0; if (filename == NULL) return FALSE; if ((fp = claws_fopen(filename, "rb")) == NULL) return FALSE; while (score < 3 && claws_fgets(buffer, sizeof (buffer), fp) != NULL) { if (!strncmp(buffer, "From:", strlen("From:"))) score++; else if (!strncmp(buffer, "Date:", strlen("Date:"))) score++; else if (!strncmp(buffer, "Message-ID:", strlen("Message-ID:"))) score++; else if (!strncmp(buffer, "Subject:", strlen("Subject:"))) score++; else if (!strcmp(buffer, "\r\n")) { debug_print("End of headers\n"); break; } } claws_fclose(fp); return (score >= 3); } gboolean sc_g_list_bigger(GList *list, gint max) { GList *cur = list; int i = 0; while (cur && i <= max+1) { i++; cur = cur->next; } return (i > max); } gboolean sc_g_slist_bigger(GSList *list, gint max) { GSList *cur = list; int i = 0; while (cur && i <= max+1) { i++; cur = cur->next; } return (i > max); } const gchar *daynames[] = {NULL, NULL, NULL, NULL, NULL, NULL, NULL}; const gchar *monthnames[] = {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}; const gchar *s_daynames[] = {NULL, NULL, NULL, NULL, NULL, NULL, NULL}; const gchar *s_monthnames[] = {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}; gint daynames_len[] = {0,0,0,0,0,0,0}; gint monthnames_len[] = {0,0,0,0,0,0, 0,0,0,0,0,0}; gint s_daynames_len[] = {0,0,0,0,0,0,0}; gint s_monthnames_len[] = {0,0,0,0,0,0, 0,0,0,0,0,0}; const gchar *s_am_up = NULL; const gchar *s_pm_up = NULL; const gchar *s_am_low = NULL; const gchar *s_pm_low = NULL; gint s_am_up_len = 0; gint s_pm_up_len = 0; gint s_am_low_len = 0; gint s_pm_low_len = 0; static gboolean time_names_init_done = FALSE; static void init_time_names(void) { int i = 0; daynames[0] = C_("Complete day name for use by strftime", "Sunday"); daynames[1] = C_("Complete day name for use by strftime", "Monday"); daynames[2] = C_("Complete day name for use by strftime", "Tuesday"); daynames[3] = C_("Complete day name for use by strftime", "Wednesday"); daynames[4] = C_("Complete day name for use by strftime", "Thursday"); daynames[5] = C_("Complete day name for use by strftime", "Friday"); daynames[6] = C_("Complete day name for use by strftime", "Saturday"); monthnames[0] = C_("Complete month name for use by strftime", "January"); monthnames[1] = C_("Complete month name for use by strftime", "February"); monthnames[2] = C_("Complete month name for use by strftime", "March"); monthnames[3] = C_("Complete month name for use by strftime", "April"); monthnames[4] = C_("Complete month name for use by strftime", "May"); monthnames[5] = C_("Complete month name for use by strftime", "June"); monthnames[6] = C_("Complete month name for use by strftime", "July"); monthnames[7] = C_("Complete month name for use by strftime", "August"); monthnames[8] = C_("Complete month name for use by strftime", "September"); monthnames[9] = C_("Complete month name for use by strftime", "October"); monthnames[10] = C_("Complete month name for use by strftime", "November"); monthnames[11] = C_("Complete month name for use by strftime", "December"); s_daynames[0] = C_("Abbr. day name for use by strftime", "Sun"); s_daynames[1] = C_("Abbr. day name for use by strftime", "Mon"); s_daynames[2] = C_("Abbr. day name for use by strftime", "Tue"); s_daynames[3] = C_("Abbr. day name for use by strftime", "Wed"); s_daynames[4] = C_("Abbr. day name for use by strftime", "Thu"); s_daynames[5] = C_("Abbr. day name for use by strftime", "Fri"); s_daynames[6] = C_("Abbr. day name for use by strftime", "Sat"); s_monthnames[0] = C_("Abbr. month name for use by strftime", "Jan"); s_monthnames[1] = C_("Abbr. month name for use by strftime", "Feb"); s_monthnames[2] = C_("Abbr. month name for use by strftime", "Mar"); s_monthnames[3] = C_("Abbr. month name for use by strftime", "Apr"); s_monthnames[4] = C_("Abbr. month name for use by strftime", "May"); s_monthnames[5] = C_("Abbr. month name for use by strftime", "Jun"); s_monthnames[6] = C_("Abbr. month name for use by strftime", "Jul"); s_monthnames[7] = C_("Abbr. month name for use by strftime", "Aug"); s_monthnames[8] = C_("Abbr. month name for use by strftime", "Sep"); s_monthnames[9] = C_("Abbr. month name for use by strftime", "Oct"); s_monthnames[10] = C_("Abbr. month name for use by strftime", "Nov"); s_monthnames[11] = C_("Abbr. month name for use by strftime", "Dec"); for (i = 0; i < 7; i++) { daynames_len[i] = strlen(daynames[i]); s_daynames_len[i] = strlen(s_daynames[i]); } for (i = 0; i < 12; i++) { monthnames_len[i] = strlen(monthnames[i]); s_monthnames_len[i] = strlen(s_monthnames[i]); } s_am_up = C_("For use by strftime (morning)", "AM"); s_pm_up = C_("For use by strftime (afternoon)", "PM"); s_am_low = C_("For use by strftime (morning, lowercase)", "am"); s_pm_low = C_("For use by strftime (afternoon, lowercase)", "pm"); s_am_up_len = strlen(s_am_up); s_pm_up_len = strlen(s_pm_up); s_am_low_len = strlen(s_am_low); s_pm_low_len = strlen(s_pm_low); time_names_init_done = TRUE; } #define CHECK_SIZE() { \ total_done += len; \ if (total_done >= buflen) { \ buf[buflen-1] = '\0'; \ return 0; \ } \ } size_t fast_strftime(gchar *buf, gint buflen, const gchar *format, struct tm *lt) { gchar *curpos = buf; gint total_done = 0; gchar subbuf[64], subfmt[64]; static time_t last_tzset = (time_t)0; if (!time_names_init_done) init_time_names(); if (format == NULL || lt == NULL) return 0; if (last_tzset != time(NULL)) { tzset(); last_tzset = time(NULL); } while(*format) { if (*format == '%') { gint len = 0, tmp = 0; format++; switch(*format) { case '%': len = 1; CHECK_SIZE(); *curpos = '%'; break; case 'a': len = s_daynames_len[lt->tm_wday]; CHECK_SIZE(); strncpy2(curpos, s_daynames[lt->tm_wday], buflen - total_done); break; case 'A': len = daynames_len[lt->tm_wday]; CHECK_SIZE(); strncpy2(curpos, daynames[lt->tm_wday], buflen - total_done); break; case 'b': case 'h': len = s_monthnames_len[lt->tm_mon]; CHECK_SIZE(); strncpy2(curpos, s_monthnames[lt->tm_mon], buflen - total_done); break; case 'B': len = monthnames_len[lt->tm_mon]; CHECK_SIZE(); strncpy2(curpos, monthnames[lt->tm_mon], buflen - total_done); break; case 'c': strftime(subbuf, 64, "%c", lt); len = strlen(subbuf); CHECK_SIZE(); strncpy2(curpos, subbuf, buflen - total_done); break; case 'C': total_done += 2; CHECK_SIZE(); tmp = (lt->tm_year + 1900)/100; *curpos++ = '0'+(tmp / 10); *curpos++ = '0'+(tmp % 10); break; case 'd': total_done += 2; CHECK_SIZE(); *curpos++ = '0'+(lt->tm_mday / 10); *curpos++ = '0'+(lt->tm_mday % 10); break; case 'D': total_done += 8; CHECK_SIZE(); *curpos++ = '0'+((lt->tm_mon+1) / 10); *curpos++ = '0'+((lt->tm_mon+1) % 10); *curpos++ = '/'; *curpos++ = '0'+(lt->tm_mday / 10); *curpos++ = '0'+(lt->tm_mday % 10); *curpos++ = '/'; tmp = lt->tm_year%100; *curpos++ = '0'+(tmp / 10); *curpos++ = '0'+(tmp % 10); break; case 'e': len = 2; CHECK_SIZE(); snprintf(curpos, buflen - total_done, "%2d", lt->tm_mday); break; case 'F': len = 10; CHECK_SIZE(); snprintf(curpos, buflen - total_done, "%4d-%02d-%02d", lt->tm_year + 1900, lt->tm_mon +1, lt->tm_mday); break; case 'H': total_done += 2; CHECK_SIZE(); *curpos++ = '0'+(lt->tm_hour / 10); *curpos++ = '0'+(lt->tm_hour % 10); break; case 'I': total_done += 2; CHECK_SIZE(); tmp = lt->tm_hour; if (tmp > 12) tmp -= 12; else if (tmp == 0) tmp = 12; *curpos++ = '0'+(tmp / 10); *curpos++ = '0'+(tmp % 10); break; case 'j': len = 3; CHECK_SIZE(); snprintf(curpos, buflen - total_done, "%03d", lt->tm_yday+1); break; case 'k': len = 2; CHECK_SIZE(); snprintf(curpos, buflen - total_done, "%2d", lt->tm_hour); break; case 'l': len = 2; CHECK_SIZE(); tmp = lt->tm_hour; if (tmp > 12) tmp -= 12; else if (tmp == 0) tmp = 12; snprintf(curpos, buflen - total_done, "%2d", tmp); break; case 'm': total_done += 2; CHECK_SIZE(); tmp = lt->tm_mon + 1; *curpos++ = '0'+(tmp / 10); *curpos++ = '0'+(tmp % 10); break; case 'M': total_done += 2; CHECK_SIZE(); *curpos++ = '0'+(lt->tm_min / 10); *curpos++ = '0'+(lt->tm_min % 10); break; case 'n': len = 1; CHECK_SIZE(); *curpos = '\n'; break; case 'p': if (lt->tm_hour >= 12) { len = s_pm_up_len; CHECK_SIZE(); snprintf(curpos, buflen-total_done, "%s", s_pm_up); } else { len = s_am_up_len; CHECK_SIZE(); snprintf(curpos, buflen-total_done, "%s", s_am_up); } break; case 'P': if (lt->tm_hour >= 12) { len = s_pm_low_len; CHECK_SIZE(); snprintf(curpos, buflen-total_done, "%s", s_pm_low); } else { len = s_am_low_len; CHECK_SIZE(); snprintf(curpos, buflen-total_done, "%s", s_am_low); } break; case 'r': #ifdef G_OS_WIN32 strftime(subbuf, 64, "%I:%M:%S %p", lt); #else strftime(subbuf, 64, "%r", lt); #endif len = strlen(subbuf); CHECK_SIZE(); strncpy2(curpos, subbuf, buflen - total_done); break; case 'R': total_done += 5; CHECK_SIZE(); *curpos++ = '0'+(lt->tm_hour / 10); *curpos++ = '0'+(lt->tm_hour % 10); *curpos++ = ':'; *curpos++ = '0'+(lt->tm_min / 10); *curpos++ = '0'+(lt->tm_min % 10); break; case 's': snprintf(subbuf, 64, "%lld", (long long)mktime(lt)); len = strlen(subbuf); CHECK_SIZE(); strncpy2(curpos, subbuf, buflen - total_done); break; case 'S': total_done += 2; CHECK_SIZE(); *curpos++ = '0'+(lt->tm_sec / 10); *curpos++ = '0'+(lt->tm_sec % 10); break; case 't': len = 1; CHECK_SIZE(); *curpos = '\t'; break; case 'T': total_done += 8; CHECK_SIZE(); *curpos++ = '0'+(lt->tm_hour / 10); *curpos++ = '0'+(lt->tm_hour % 10); *curpos++ = ':'; *curpos++ = '0'+(lt->tm_min / 10); *curpos++ = '0'+(lt->tm_min % 10); *curpos++ = ':'; *curpos++ = '0'+(lt->tm_sec / 10); *curpos++ = '0'+(lt->tm_sec % 10); break; case 'u': len = 1; CHECK_SIZE(); snprintf(curpos, buflen - total_done, "%d", lt->tm_wday == 0 ? 7: lt->tm_wday); break; case 'w': len = 1; CHECK_SIZE(); snprintf(curpos, buflen - total_done, "%d", lt->tm_wday); break; case 'x': strftime(subbuf, 64, "%x", lt); len = strlen(subbuf); CHECK_SIZE(); strncpy2(curpos, subbuf, buflen - total_done); break; case 'X': strftime(subbuf, 64, "%X", lt); len = strlen(subbuf); CHECK_SIZE(); strncpy2(curpos, subbuf, buflen - total_done); break; case 'y': total_done += 2; CHECK_SIZE(); tmp = lt->tm_year%100; *curpos++ = '0'+(tmp / 10); *curpos++ = '0'+(tmp % 10); break; case 'Y': len = 4; CHECK_SIZE(); snprintf(curpos, buflen - total_done, "%4d", lt->tm_year + 1900); break; case 'G': case 'g': case 'U': case 'V': case 'W': case 'z': case 'Z': case '+': /* let these complicated ones be done with the libc */ snprintf(subfmt, 64, "%%%c", *format); strftime(subbuf, 64, subfmt, lt); len = strlen(subbuf); CHECK_SIZE(); strncpy2(curpos, subbuf, buflen - total_done); break; case 'E': case 'O': /* let these complicated modifiers be done with the libc */ snprintf(subfmt, 64, "%%%c%c", *format, *(format+1)); strftime(subbuf, 64, subfmt, lt); len = strlen(subbuf); CHECK_SIZE(); strncpy2(curpos, subbuf, buflen - total_done); format++; break; default: g_warning("format error (%c)", *format); *curpos = '\0'; return total_done; } curpos += len; format++; } else { int len = 1; CHECK_SIZE(); *curpos++ = *format++; } } *curpos = '\0'; return total_done; } #ifdef G_OS_WIN32 #define WEXITSTATUS(x) (x) #endif GMutex *cm_mutex_new(void) { #if GLIB_CHECK_VERSION(2,32,0) GMutex *m = g_new0(GMutex, 1); g_mutex_init(m); return m; #else return g_mutex_new(); #endif } void cm_mutex_free(GMutex *mutex) { #if GLIB_CHECK_VERSION(2,32,0) g_mutex_clear(mutex); g_free(mutex); #else g_mutex_free(mutex); #endif } static gchar *canonical_list_to_file(GSList *list) { GString *result = g_string_new(NULL); GSList *pathlist = g_slist_reverse(g_slist_copy(list)); GSList *cur; gchar *str; #ifndef G_OS_WIN32 result = g_string_append(result, G_DIR_SEPARATOR_S); #else if (pathlist->data) { const gchar *root = (gchar *)pathlist->data; if (root[0] != '\0' && g_ascii_isalpha(root[0]) && root[1] == ':') { /* drive - don't prepend dir separator */ } else { result = g_string_append(result, G_DIR_SEPARATOR_S); } } #endif for (cur = pathlist; cur; cur = cur->next) { result = g_string_append(result, (gchar *)cur->data); if (cur->next) result = g_string_append(result, G_DIR_SEPARATOR_S); } g_slist_free(pathlist); str = result->str; g_string_free(result, FALSE); return str; } static GSList *cm_split_path(const gchar *filename, int depth) { gchar **path_parts; GSList *canonical_parts = NULL; GStatBuf st; int i; #ifndef G_OS_WIN32 gboolean follow_symlinks = TRUE; #endif if (depth > 32) { #ifndef G_OS_WIN32 errno = ELOOP; #else errno = EINVAL; /* can't happen, no symlink handling */ #endif return NULL; } if (!g_path_is_absolute(filename)) { errno =EINVAL; return NULL; } path_parts = g_strsplit(filename, G_DIR_SEPARATOR_S, -1); for (i = 0; path_parts[i] != NULL; i++) { if (!strcmp(path_parts[i], "")) continue; if (!strcmp(path_parts[i], ".")) continue; else if (!strcmp(path_parts[i], "..")) { if (i == 0) { errno =ENOTDIR; return NULL; } else /* Remove the last inserted element */ canonical_parts = g_slist_delete_link(canonical_parts, canonical_parts); } else { gchar *tmp_path; canonical_parts = g_slist_prepend(canonical_parts, g_strdup(path_parts[i])); tmp_path = canonical_list_to_file(canonical_parts); if(g_stat(tmp_path, &st) < 0) { if (errno == ENOENT) { errno = 0; #ifndef G_OS_WIN32 follow_symlinks = FALSE; #endif } if (errno != 0) { g_free(tmp_path); slist_free_strings_full(canonical_parts); g_strfreev(path_parts); return NULL; } } #ifndef G_OS_WIN32 if (follow_symlinks && g_file_test(tmp_path, G_FILE_TEST_IS_SYMLINK)) { GError *error = NULL; gchar *target = g_file_read_link(tmp_path, &error); if (!g_path_is_absolute(target)) { /* remove the last inserted element */ canonical_parts = g_slist_delete_link(canonical_parts, canonical_parts); /* add the target */ canonical_parts = g_slist_prepend(canonical_parts, g_strdup(target)); g_free(target); /* and get the new target */ target = canonical_list_to_file(canonical_parts); } /* restart from absolute target */ slist_free_strings_full(canonical_parts); canonical_parts = NULL; if (!error) canonical_parts = cm_split_path(target, depth + 1); else g_error_free(error); if (canonical_parts == NULL) { g_free(tmp_path); g_strfreev(path_parts); return NULL; } g_free(target); } #endif g_free(tmp_path); } } g_strfreev(path_parts); return canonical_parts; } /* * Canonicalize a filename, resolving symlinks along the way. * Returns a negative errno in case of error. */ int cm_canonicalize_filename(const gchar *filename, gchar **canonical_name) { GSList *canonical_parts; gboolean is_absolute; if (filename == NULL) return -EINVAL; if (canonical_name == NULL) return -EINVAL; *canonical_name = NULL; is_absolute = g_path_is_absolute(filename); if (!is_absolute) { /* Always work on absolute filenames. */ gchar *cur = g_get_current_dir(); gchar *absolute_filename = g_strconcat(cur, G_DIR_SEPARATOR_S, filename, NULL); canonical_parts = cm_split_path(absolute_filename, 0); g_free(absolute_filename); g_free(cur); } else canonical_parts = cm_split_path(filename, 0); if (canonical_parts == NULL) return -errno; *canonical_name = canonical_list_to_file(canonical_parts); slist_free_strings_full(canonical_parts); return 0; } /* Returns a decoded base64 string, guaranteed to be null-terminated. */ guchar *g_base64_decode_zero(const gchar *text, gsize *out_len) { gchar *tmp = g_base64_decode(text, out_len); gchar *out = g_strndup(tmp, *out_len); g_free(tmp); if (strlen(out) != *out_len) { g_warning ("strlen(out) %"G_GSIZE_FORMAT" != *out_len %"G_GSIZE_FORMAT, strlen(out), *out_len); } return out; } #if !GLIB_CHECK_VERSION(2, 30, 0) /** * g_utf8_substring: * @str: a UTF-8 encoded string * @start_pos: a character offset within @str * @end_pos: another character offset within @str * * Copies a substring out of a UTF-8 encoded string. * The substring will contain @end_pos - @start_pos * characters. * * Returns: a newly allocated copy of the requested * substring. Free with g_free() when no longer needed. * * Since: GLIB 2.30 */ gchar * g_utf8_substring (const gchar *str, glong start_pos, glong end_pos) { gchar *start, *end, *out; start = g_utf8_offset_to_pointer (str, start_pos); end = g_utf8_offset_to_pointer (start, end_pos - start_pos); out = g_malloc (end - start + 1); memcpy (out, start, end - start); out[end - start] = 0; return out; } #endif /* Attempts to read count bytes from a PRNG into memory area starting at buf. * It is up to the caller to make sure there is at least count bytes * available at buf. */ gboolean get_random_bytes(void *buf, size_t count) { /* Open our prng source. */ #if defined G_OS_WIN32 HCRYPTPROV rnd; if (!CryptAcquireContext(&rnd, NULL, NULL, PROV_RSA_FULL, 0) && !CryptAcquireContext(&rnd, NULL, NULL, PROV_RSA_FULL, CRYPT_NEWKEYSET)) { debug_print("Could not acquire a CSP handle.\n"); return FALSE; } #else int rnd; ssize_t ret; rnd = open("/dev/urandom", O_RDONLY); if (rnd == -1) { FILE_OP_ERROR("/dev/urandom", "open"); debug_print("Could not open /dev/urandom.\n"); return FALSE; } #endif /* Read data from the source into buf. */ #if defined G_OS_WIN32 if (!CryptGenRandom(rnd, count, buf)) { debug_print("Could not read %"G_GSIZE_FORMAT" random bytes.\n", count); CryptReleaseContext(rnd, 0); return FALSE; } #else ret = read(rnd, buf, count); if (ret != count) { FILE_OP_ERROR("/dev/urandom", "read"); debug_print("Could not read enough data from /dev/urandom, read only %ld of %lu bytes.\n", ret, count); close(rnd); return FALSE; } #endif /* Close the prng source. */ #if defined G_OS_WIN32 CryptReleaseContext(rnd, 0); #else close(rnd); #endif return TRUE; } /* returns FALSE if parsing failed, otherwise returns TRUE and sets *server, *port and eventually *fp from filename (if not NULL, they must be free'd by caller after user. filenames we expect: 'host.name.port.cert' or 'host.name.port.f:i:n:g:e:r:p:r:i:n:t.cert' */ gboolean get_serverportfp_from_filename(const gchar *str, gchar **server, gchar **port, gchar **fp) { const gchar *pos, *dotport_pos = NULL, *dotcert_pos = NULL, *dotfp_pos = NULL; g_return_val_if_fail(str != NULL, FALSE); pos = str + strlen(str) - 1; while ((pos > str) && !dotport_pos) { if (*pos == '.') { if (!dotcert_pos) { /* match the .cert suffix */ if (strcmp(pos, ".cert") == 0) { dotcert_pos = pos; } } else { if (!dotfp_pos) { /* match an eventual fingerprint */ /* or the port number */ if (strncmp(pos + 3, ":", 1) == 0) { dotfp_pos = pos; } else { dotport_pos = pos; } } else { /* match the port number */ dotport_pos = pos; } } } pos--; } if (!dotport_pos || !dotcert_pos) { g_warning("could not parse filename %s", str); return FALSE; } if (server != NULL) *server = g_strndup(str, dotport_pos - str); if (dotfp_pos) { if (port != NULL) *port = g_strndup(dotport_pos + 1, dotfp_pos - dotport_pos - 1); if (fp != NULL) *fp = g_strndup(dotfp_pos + 1, dotcert_pos - dotfp_pos - 1); } else { if (port != NULL) *port = g_strndup(dotport_pos + 1, dotcert_pos - dotport_pos - 1); if (fp != NULL) *fp = NULL; } debug_print("filename='%s' => server='%s' port='%s' fp='%s'\n", str, (server ? *server : "(n/a)"), (port ? *port : "(n/a)"), (fp ? *fp : "(n/a)")); if (!(server && *server) || !(port && *port)) return FALSE; else return TRUE; } #ifdef G_OS_WIN32 gchar *win32_debug_log_path(void) { return g_strconcat(g_get_tmp_dir(), G_DIR_SEPARATOR_S, "claws-win32.log", NULL); } #endif