Mercurial > masqmail
annotate src/fail_msg.c @ 309:273f6c9eb6a2
bug fix: off-by-one in pipe aliases
author | meillo@marmaro.de |
---|---|
date | Sun, 24 Apr 2011 19:02:09 +0200 |
parents | fc1c6425c024 |
children | 41958685480d |
rev | line source |
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0 | 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. | |
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8 * |
0 | 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 */ | |
18 | |
19 #include <sys/wait.h> | |
20 | |
21 #include "masqmail.h" | |
22 #include "peopen.h" | |
23 #include "readsock.h" | |
24 | |
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25 gboolean |
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26 fail_msg(message * msg, gchar * template, GList * failed_rcpts, gchar * err_fmt, va_list args) |
0 | 27 { |
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28 gboolean ok = FALSE; |
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29 address *ret_path = NULL; |
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30 |
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31 /* do not bounce bounces, send to postmaster instead */ |
15 | 32 if (msg->return_path->local_part[0] == '\0') { |
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33 GList *node; |
0 | 34 |
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35 ret_path = create_address_qualified("postmaster", TRUE, conf.host_name); |
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36 foreach(failed_rcpts, node) { |
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37 address *addr = (address *) (node->data); |
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38 |
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39 if (addr_isequal_parent(addr, ret_path, strcasecmp)) { |
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40 logwrite(LOG_ALERT, "%s == %s: postmaster address failed\n", msg->uid, addr_string(ret_path)); |
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41 return FALSE; |
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42 } |
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43 } |
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44 } else |
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45 ret_path = copy_address(msg->return_path); |
0 | 46 |
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47 DEBUG(1) debugf("sending failure notice to %s.\n", addr_string(ret_path)); |
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48 |
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49 if (template) { |
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50 FILE *file; |
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51 GList *var_table = var_table_conf(var_table_msg(NULL, msg)); |
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52 gchar *err_msg = g_strdup_vprintf(err_fmt, args); |
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53 |
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54 var_table = g_list_prepend(var_table, create_pair_string("err_msg", err_msg)); |
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55 g_free(err_msg); |
0 | 56 |
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57 if ((file = fopen(template, "r"))) { |
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58 FILE *out; |
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59 gchar *cmd; |
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60 pid_t pid; |
0 | 61 |
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62 cmd = g_strdup_printf(SBINDIR "/masqmail -oi -f <> %s@%s", ret_path->local_part, ret_path->domain); |
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63 if ((out = peidopen(cmd, "w", environ, &pid, conf.mail_uid, conf.mail_gid))) { |
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64 gchar fmt[256], line[256]; |
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65 int status, ret; |
0 | 66 |
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67 while ((ret = read_sockline(file, fmt, 256, 0, 0)) > 0) { |
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68 if (fmt[0] == '@') { |
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69 GList *node; |
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70 if (strncmp(fmt, "@failed_rcpts", 13) == 0) { |
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71 foreach(failed_rcpts, node) { |
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72 address *rcpt = (address *) (node->data); |
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73 fprintf(out, "\t%s\n", addr_string(rcpt)); |
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74 } |
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75 } else if (strncmp(fmt, "@msg_headers", 12) == 0) { |
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76 foreach(msg->hdr_list, node) { |
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77 header *hdr = (header *) (node->data); |
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78 fputs(hdr->header, out); |
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79 } |
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80 } else if (strncmp(fmt, "@msg_body", 9) == 0) { |
15 | 81 /* we may have to read the data at this point and remember if we did */ |
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82 gboolean flag = (msg->data_list == NULL); |
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83 if (flag) { |
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84 if (!spool_read_data(msg)) { |
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85 logwrite(LOG_ALERT, "could not open data spool file %s\n", msg->uid); |
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86 } |
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87 } |
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88 foreach(msg->data_list, node) { |
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89 gchar *line = (gchar *) (node->data); |
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90 fputs(line, out); |
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91 } |
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92 if (flag) |
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93 msg_free_data(msg); |
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94 } |
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95 } else { |
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96 expand(var_table, fmt, line, 256); |
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97 fputs(line, out); |
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98 } |
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99 } |
0 | 100 |
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101 fclose(out); |
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102 waitpid(pid, &status, 0); |
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103 if ((WEXITSTATUS(status) != 0) || WIFSIGNALED(status)) { |
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104 if (WEXITSTATUS(status) != 0) |
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105 logwrite(LOG_WARNING, "child returned %d\n", WEXITSTATUS(status)); |
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106 if (WIFSIGNALED(status)) |
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107 logwrite(LOG_WARNING, "child got signal: %d\n", WTERMSIG(status)); |
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108 } else |
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109 ok = TRUE; |
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110 } else { |
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111 logwrite(LOG_ERR, "peopen failed: %s\n", strerror(errno)); |
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112 } |
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113 g_free(cmd); |
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114 fclose(file); |
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115 } else |
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116 logwrite(LOG_ALERT, "could not open failure message template %s: %s\n", conf.errmsg_file, strerror(errno)); |
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117 |
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118 destroy_table(var_table); |
0 | 119 } |
120 | |
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121 destroy_address(ret_path); |
0 | 122 |
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123 return ok; |
0 | 124 } |
125 | |
126 /* | |
127 ival : |--|--|----|--------|--------| | |
128 warned: |-------W-------------W------ | |
129 result: |nnnyyyynnnnyyyyyyyyyynnnnnnn | |
130 */ | |
131 | |
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132 static gboolean |
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133 warn_msg_is_due(message * msg) |
0 | 134 { |
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135 time_t now = time(NULL); |
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136 |
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137 GList *node; |
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138 for (node = g_list_last(conf.warn_intervals); node; node = g_list_previous(node)) { |
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139 gchar *str_ival = (gchar *) (node->data); |
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140 gint ival = time_interval(str_ival); |
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141 if (ival >= 0) { |
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142 DEBUG(5) debugf("ival = %d\n", ival); |
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143 DEBUG(5) debugf("now - msg->received_time = %d\n", now - msg->received_time); |
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144 if ((now - msg->received_time) > ival) { |
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145 if (msg->warned_time != 0) { |
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146 if ((msg->warned_time - msg->received_time) < ival) |
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147 return TRUE; |
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148 } else |
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149 return TRUE; |
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150 } |
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151 } else |
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152 logwrite(LOG_WARNING, "invalid time interval: %s\n", str_ival); |
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153 } |
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154 return FALSE; |
0 | 155 } |
156 | |
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157 gboolean |
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158 warn_msg(message * msg, gchar * template, GList * defered_rcpts, gchar * err_fmt, va_list args) |
0 | 159 { |
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160 time_t now = time(NULL); |
0 | 161 |
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162 if (warn_msg_is_due(msg)) { |
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163 if (fail_msg(msg, template, defered_rcpts, err_fmt, args)) { |
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164 msg->warned_time = now; |
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165 return TRUE; |
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166 } else |
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167 return FALSE; |
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168 } |
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169 return TRUE; |
0 | 170 } |