masqmail
view src/fail_msg.c @ 378:5781ba87df95
Removed ident. This had been discussed on the mailing list in Oct 2011.
Ident is hardly useful in typical setups for masqmail. Probably Oliver
had used it in his setup; that would make sense. Now, I know of nobody
who needs it.
| author | markus schnalke <meillo@marmaro.de> |
|---|---|
| date | Sat, 14 Jan 2012 21:36:58 +0100 |
| parents | 41958685480d |
| children | 8518fe2b0f36 |
line source
1 /*
2 ** MasqMail
3 ** Copyright (C) 2000-2001 Oliver Kurth
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., 675 Mass Ave, Cambridge, MA 02139, USA.
18 */
20 #include <sys/wait.h>
22 #include "masqmail.h"
23 #include "peopen.h"
24 #include "readsock.h"
26 gboolean
27 fail_msg(message *msg, gchar *template, GList *failed_rcpts, gchar *err_fmt,
28 va_list args)
29 {
30 gboolean ok = FALSE;
31 address *ret_path = NULL;
33 /* do not bounce bounces, send to postmaster instead */
34 if (msg->return_path->local_part[0] == '\0') {
35 GList *node;
37 ret_path = create_address_qualified("postmaster", TRUE, conf.host_name);
38 foreach(failed_rcpts, node) {
39 address *addr = (address *) (node->data);
41 if (addr_isequal_parent(addr, ret_path, strcasecmp)) {
42 logwrite(LOG_ALERT, "%s == %s: postmaster address failed\n", msg->uid, addr_string(ret_path));
43 return FALSE;
44 }
45 }
46 } else
47 ret_path = copy_address(msg->return_path);
49 DEBUG(1) debugf("sending failure notice to %s.\n", addr_string(ret_path));
51 if (template) {
52 FILE *file;
53 GList *var_table = var_table_conf(var_table_msg(NULL, msg));
54 gchar *err_msg = g_strdup_vprintf(err_fmt, args);
56 var_table = g_list_prepend(var_table, create_pair_string("err_msg", err_msg));
57 g_free(err_msg);
59 if ((file = fopen(template, "r"))) {
60 FILE *out;
61 gchar *cmd;
62 pid_t pid;
64 cmd = g_strdup_printf(SBINDIR "/masqmail -oi -f <> %s@%s", ret_path->local_part, ret_path->domain);
65 if ((out = peidopen(cmd, "w", environ, &pid, conf.mail_uid, conf.mail_gid))) {
66 gchar fmt[256], line[256];
67 int status, ret;
69 while ((ret = read_sockline(file, fmt, 256, 0, 0)) > 0) {
70 if (fmt[0] == '@') {
71 GList *node;
72 if (strncmp(fmt, "@failed_rcpts", 13) == 0) {
73 foreach(failed_rcpts, node) {
74 address *rcpt = (address *) (node->data);
75 fprintf(out, "\t%s\n", addr_string(rcpt));
76 }
77 } else if (strncmp(fmt, "@msg_headers", 12) == 0) {
78 foreach(msg->hdr_list, node) {
79 header *hdr = (header *) (node->data);
80 fputs(hdr->header, out);
81 }
82 } else if (strncmp(fmt, "@msg_body", 9) == 0) {
83 /* we may have to read the data at this point and remember if we did */
84 gboolean flag = (msg->data_list == NULL);
85 if (flag) {
86 if (!spool_read_data(msg)) {
87 logwrite(LOG_ALERT, "could not open data spool file %s\n", msg->uid);
88 }
89 }
90 foreach(msg->data_list, node) {
91 gchar *line = (gchar *) (node->data);
92 fputs(line, out);
93 }
94 if (flag)
95 msg_free_data(msg);
96 }
97 } else {
98 expand(var_table, fmt, line, 256);
99 fputs(line, out);
100 }
101 }
103 fclose(out);
104 waitpid(pid, &status, 0);
105 if ((WEXITSTATUS(status) != 0) || WIFSIGNALED(status)) {
106 if (WEXITSTATUS(status) != 0)
107 logwrite(LOG_WARNING, "child returned %d\n", WEXITSTATUS(status));
108 if (WIFSIGNALED(status))
109 logwrite(LOG_WARNING, "child got signal: %d\n", WTERMSIG(status));
110 } else
111 ok = TRUE;
112 } else {
113 logwrite(LOG_ERR, "peopen failed: %s\n", strerror(errno));
114 }
115 g_free(cmd);
116 fclose(file);
117 } else
118 logwrite(LOG_ALERT, "could not open failure message template %s: %s\n", conf.errmsg_file, strerror(errno));
120 destroy_table(var_table);
121 }
123 destroy_address(ret_path);
125 return ok;
126 }
128 /*
129 ** ival : |--|--|----|--------|--------|
130 ** warned: |-------W-------------W------
131 ** result: |nnnyyyynnnnyyyyyyyyyynnnnnnn
132 */
133 static gboolean
134 warn_msg_is_due(message *msg)
135 {
136 time_t now = time(NULL);
138 GList *node;
139 for (node = g_list_last(conf.warn_intervals); node; node = g_list_previous(node)) {
140 gchar *str_ival = (gchar *) (node->data);
141 gint ival = time_interval(str_ival);
142 if (ival >= 0) {
143 DEBUG(5) debugf("ival = %d\n", ival);
144 DEBUG(5) debugf("now - msg->received_time = %d\n", now - msg->received_time);
145 if ((now - msg->received_time) > ival) {
146 if (msg->warned_time != 0) {
147 if ((msg->warned_time - msg->received_time) < ival)
148 return TRUE;
149 } else
150 return TRUE;
151 }
152 } else
153 logwrite(LOG_WARNING, "invalid time interval: %s\n", str_ival);
154 }
155 return FALSE;
156 }
158 gboolean
159 warn_msg(message *msg, gchar *template, GList *defered_rcpts, gchar *err_fmt,
160 va_list args)
161 {
162 time_t now = time(NULL);
164 if (warn_msg_is_due(msg)) {
165 if (fail_msg(msg, template, defered_rcpts, err_fmt, args)) {
166 msg->warned_time = now;
167 return TRUE;
168 } else
169 return FALSE;
170 }
171 return TRUE;
172 }