masqmail

view src/tables.c @ 156:ee2afbf92428

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require host_name to be set in config file exit otherwise there is no portable way to determine the hostname (actually the hostname that masqmail should use) thus it must be set by the administrator
author meillo@marmaro.de
date Thu, 08 Jul 2010 09:49:05 +0200
parents 7354c2e0eb31
children ec28ce798b79
line source
1 /* MasqMail
2 Copyright (C) 1999-2001 Oliver Kurth
3 Copyright (C) 2008 markus schnalke <meillo@marmaro.de>
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 */
19
20 #include <fnmatch.h>
21
22 #include "masqmail.h"
23
24 table_pair*
25 create_pair(gchar * key, gpointer value)
26 {
27 table_pair *pair;
28
29 pair = g_malloc(sizeof(table_pair));
30 pair->key = g_strdup(key);
31 pair->value = value;
32
33 return pair;
34 }
35
36 table_pair*
37 create_pair_string(gchar * key, gpointer value)
38 {
39 table_pair *pair;
40
41 pair = g_malloc(sizeof(table_pair));
42 pair->key = g_strdup(key);
43 pair->value = (gpointer) (g_strdup(value));
44
45 return pair;
46 }
47
48 table_pair*
49 parse_table_pair(gchar * line, char delim)
50 {
51 gchar buf[256];
52 gchar *p, *q;
53 table_pair *pair;
54
55 p = line;
56 q = buf;
57 while ((*p != '\0') && (*p != delim) && q < buf + 255)
58 *(q++) = *(p++);
59 *q = '\0';
60
61 pair = g_malloc(sizeof(table_pair));
62 pair->key = g_strdup(g_strstrip(buf));
63
64 if (*p) {
65 p++;
66 /* while(isspace(*p)) p++; */
67 pair->value = (gpointer *) (g_strdup(g_strstrip(p)));
68 } else
69 pair->value = (gpointer *) g_strdup("");
70
71 return pair;
72 }
73
74 gpointer*
75 table_find_func(GList * table_list, gchar * key, int (*cmp_func) (const char *, const char *))
76 {
77 GList *node;
78
79 foreach(table_list, node) {
80 table_pair *pair = (table_pair *) (node->data);
81 if (cmp_func(pair->key, key) == 0)
82 return pair->value;
83 }
84 return NULL;
85 }
86
87 gpointer*
88 table_find(GList * table_list, gchar * key)
89 {
90 return table_find_func(table_list, key, strcmp);
91 }
92
93 gpointer*
94 table_find_case(GList * table_list, gchar * key)
95 {
96 return table_find_func(table_list, key, strcasecmp);
97 }
98
99 static int
100 fnmatch0(const char *pattern, const char *string)
101 {
102 return fnmatch(pattern, string, 0);
103 }
104
105 gpointer*
106 table_find_fnmatch(GList * table_list, gchar * key)
107 {
108 return table_find_func(table_list, key, fnmatch0);
109 }
110
111 GList*
112 table_read(gchar * fname, gchar delim)
113 {
114 GList *list = NULL;
115 FILE *fptr;
116
117 if ((fptr = fopen(fname, "rt"))) {
118 gchar buf[256];
119
120 while (fgets(buf, 255, fptr)) {
121 if (buf[0] && (buf[0] != '#') && (buf[0] != '\n')) {
122 table_pair *pair;
123 g_strchomp(buf);
124 pair = parse_table_pair(buf, delim);
125 list = g_list_append(list, pair);
126 }
127 }
128 fclose(fptr);
129 if (list == NULL)
130 logwrite(LOG_NOTICE, "empty table file %s\n", fname);
131 return list;
132 }
133 logwrite(LOG_ALERT, "could not open table file %s: %s. Thus no aliasing is done\n", fname, strerror(errno));
134
135 return NULL;
136 }
137
138 void
139 destroy_table(GList * table)
140 {
141 GList *node;
142
143 foreach(table, node) {
144 table_pair *p = (table_pair *) (node->data);
145 g_free(p->key);
146 g_free(p->value);
147 g_free(p);
148 }
149 g_list_free(table);
150 }