masqmail

view src/expand.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 26e34ae9a3e3
children 41958685480d
line source
1 /* MasqMail
2 Copyright (C) 2000-2001 Oliver Kurth
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 */
18
19 #include "masqmail.h"
20
21 #define MAX_VAR 50
22
23 GList*
24 var_table_rcpt(GList * var_table, address * rcpt)
25 {
26 gchar *tmp_str;
27
28 var_table = g_list_prepend(var_table, create_pair_string("rcpt_local", rcpt->local_part));
29 var_table = g_list_prepend(var_table, create_pair_string("rcpt_domain", rcpt->domain));
30
31 tmp_str = g_strdup_printf("%s@%s", rcpt->local_part, rcpt->domain);
32 var_table = g_list_prepend(var_table, create_pair_string("rcpt", tmp_str));
33 g_free(tmp_str);
34
35 return var_table;
36 }
37
38 GList*
39 var_table_msg(GList * var_table, message * msg)
40 {
41 address *ret_path = msg->return_path;
42 gchar *tmp_str;
43
44 var_table = g_list_prepend(var_table, create_pair_string("uid", msg->uid));
45 var_table = g_list_prepend(var_table, create_pair_string("received_host", msg->received_host ? msg->received_host : ""));
46 var_table = g_list_prepend(var_table, create_pair_string("ident", msg->ident ? msg->ident : ""));
47 var_table = g_list_prepend(var_table, create_pair_string("return_path_local", ret_path->local_part));
48 var_table = g_list_prepend(var_table, create_pair_string("return_path_domain", ret_path->domain));
49
50 tmp_str = g_strdup_printf("%s@%s", ret_path->local_part, ret_path->domain);
51 var_table = g_list_prepend(var_table, create_pair_string("return_path", tmp_str));
52 g_free(tmp_str);
53
54 return var_table;
55 }
56
57 GList*
58 var_table_conf(GList * var_table)
59 {
60 var_table = g_list_prepend(var_table, create_pair_string("host_name", conf.host_name));
61 var_table = g_list_prepend(var_table, create_pair_string("package", PACKAGE));
62 var_table = g_list_prepend(var_table, create_pair_string("version", VERSION));
63
64 return var_table;
65 }
66
67 gint
68 expand(GList * var_list, gchar * format, gchar * result, gint result_len)
69 {
70 gchar *p = format, *q = result;
71 gchar *vq;
72 gint i = 0;
73 gboolean escape = FALSE;
74
75 while (*p && (i < (result_len - 1))) {
76 if ((*p == '$') && !escape) {
77 gchar *value;
78 gchar var[MAX_VAR + 1];
79 int j = 0;
80
81 p++; /* skip '$' */
82 vq = var;
83
84 if (*p == '{') {
85 /* ${var} style */
86 p++; /* skip '{' */
87 while (*p && (*p != '}') && (j < MAX_VAR)) {
88 *(vq++) = *(p++);
89 j++;
90 }
91 p++;
92 } else {
93 /* $var style */
94 while (*p && (isalnum(*p) || (*p == '_') || (*p == '-')) && (j < MAX_VAR)) {
95 *(vq++) = *(p++);
96 j++;
97 }
98 }
99 *vq = '\0';
100
101 if (j < MAX_VAR) {
102 /* search var */
103 value = (gchar *) table_find(var_list, var);
104 if (value) {
105 gchar *vp = value;
106 while (*vp && (i < (result_len - 1))) {
107 *(q++) = *(vp++);
108 i++;
109 }
110 }
111 }
112 } else {
113 if ((*p == '\\') && (!escape)) {
114 escape = TRUE;
115 } else {
116 *(q++) = *p;
117 i++;
118 escape = FALSE;
119 }
120 p++;
121 }
122 }
123 *q = '\0';
124
125 if (i >= (result_len - 1))
126 return -3;
127
128 return i;
129 }