masqmail
view src/fail_msg.c @ 216:84bf7a6b6ccd
added misc/list-versions
This script helps to check if the versions numbers in the project
are the same as the one for the release. This script is motivated
by the 0.2.27 release in which masqmail introduces itself as being
version 0.2.26.
| author | meillo@marmaro.de |
|---|---|
| date | Mon, 19 Jul 2010 14:01:13 +0200 |
| parents | f671821d8222 |
| children | bc9d9cd9ee8e |
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., 675 Mass Ave, Cambridge, MA 02139, USA.
17 */
19 #include <sys/wait.h>
21 #include "masqmail.h"
22 #include "peopen.h"
23 #include "readsock.h"
25 gboolean
26 fail_msg(message * msg, gchar * template, GList * failed_rcpts, gchar * err_fmt, va_list args)
27 {
28 gboolean ok = FALSE;
29 address *ret_path = NULL;
31 /* do not bounce bounces, send to postmaster instead */
32 if (msg->return_path->local_part[0] == '\0') {
33 GList *node;
35 ret_path = create_address_qualified("postmaster", TRUE, conf.host_name);
36 foreach(failed_rcpts, node) {
37 address *addr = (address *) (node->data);
38 if (addr_isequal_parent(addr, ret_path)) {
39 logwrite(LOG_ALERT, "%s == %s: postmaster address failed\n", msg->uid, addr_string(ret_path));
40 return FALSE;
41 }
42 }
43 } else
44 ret_path = copy_address(msg->return_path);
46 DEBUG(1) debugf("sending failure notice to %s.\n", addr_string(ret_path));
48 if (template) {
49 FILE *file;
50 GList *var_table = var_table_conf(var_table_msg(NULL, msg));
51 gchar *err_msg = g_strdup_vprintf(err_fmt, args);
53 var_table = g_list_prepend(var_table, create_pair_string("err_msg", err_msg));
54 g_free(err_msg);
56 if ((file = fopen(template, "r"))) {
57 FILE *out;
58 gchar *cmd;
59 pid_t pid;
61 cmd = g_strdup_printf(SBINDIR "/masqmail -oi -f <> %s@%s", ret_path->local_part, ret_path->domain);
62 if ((out = peidopen(cmd, "w", environ, &pid, conf.mail_uid, conf.mail_gid))) {
63 gchar fmt[256], line[256];
64 int status, ret;
66 while ((ret = read_sockline(file, fmt, 256, 0, 0)) > 0) {
67 if (fmt[0] == '@') {
68 GList *node;
69 if (strncmp(fmt, "@failed_rcpts", 13) == 0) {
70 foreach(failed_rcpts, node) {
71 address *rcpt = (address *) (node->data);
72 fprintf(out, "\t%s\n", addr_string(rcpt));
73 }
74 } else if (strncmp(fmt, "@msg_headers", 12) == 0) {
75 foreach(msg->hdr_list, node) {
76 header *hdr = (header *) (node->data);
77 fputs(hdr->header, out);
78 }
79 } else if (strncmp(fmt, "@msg_body", 9) == 0) {
80 /* we may have to read the data at this point and remember if we did */
81 gboolean flag = (msg->data_list == NULL);
82 if (flag) {
83 if (!spool_read_data(msg)) {
84 logwrite(LOG_ALERT, "could not open data spool file %s\n", msg->uid);
85 }
86 }
87 foreach(msg->data_list, node) {
88 gchar *line = (gchar *) (node->data);
89 fputs(line, out);
90 }
91 if (flag)
92 msg_free_data(msg);
93 }
94 } else {
95 expand(var_table, fmt, line, 256);
96 fputs(line, out);
97 }
98 }
100 fclose(out);
101 waitpid(pid, &status, 0);
102 if ((WEXITSTATUS(status) != EXIT_SUCCESS) || WIFSIGNALED(status)) {
103 if (WEXITSTATUS(status) != EXIT_SUCCESS)
104 logwrite(LOG_WARNING, "child returned %d\n", WEXITSTATUS(status));
105 if (WIFSIGNALED(status))
106 logwrite(LOG_WARNING, "child got signal: %d\n", WTERMSIG(status));
107 } else
108 ok = TRUE;
109 } else {
110 logwrite(LOG_ERR, "peopen failed: %s\n", strerror(errno));
111 }
112 g_free(cmd);
113 fclose(file);
114 } else
115 logwrite(LOG_ALERT, "could not open failure message template %s: %s\n", conf.errmsg_file, strerror(errno));
117 destroy_table(var_table);
118 }
120 destroy_address(ret_path);
122 return ok;
123 }
125 /*
126 ival : |--|--|----|--------|--------|
127 warned: |-------W-------------W------
128 result: |nnnyyyynnnnyyyyyyyyyynnnnnnn
129 */
131 static gboolean
132 warn_msg_is_due(message * msg)
133 {
134 time_t now = time(NULL);
135 gint dummy;
137 GList *node;
138 for (node = g_list_last(conf.warn_intervals); node; node = g_list_previous(node)) {
139 gchar *str_ival = (gchar *) (node->data);
140 gint ival = time_interval(str_ival, &dummy);
141 if (ival >= 0) {
142 DEBUG(5) debugf("ival = %d\n", ival);
143 DEBUG(5) debugf("now - msg->received_time = %d\n", now - msg->received_time);
144 if ((now - msg->received_time) > ival) {
145 if (msg->warned_time != 0) {
146 if ((msg->warned_time - msg->received_time) < ival)
147 return TRUE;
148 } else
149 return TRUE;
150 }
151 } else
152 logwrite(LOG_WARNING, "invalid time interval: %s\n", str_ival);
153 }
154 return FALSE;
155 }
157 gboolean
158 warn_msg(message * msg, gchar * template, GList * defered_rcpts, gchar * err_fmt, va_list args)
159 {
160 time_t now = time(NULL);
162 if (warn_msg_is_due(msg)) {
163 if (fail_msg(msg, template, defered_rcpts, err_fmt, args)) {
164 msg->warned_time = now;
165 return TRUE;
166 } else
167 return FALSE;
168 }
169 return TRUE;
170 }