Mercurial > masqmail
annotate src/fail_msg.c @ 211:0f36c0a46f82
replaced hmac_md5.c with an own implementation of RFC 2104
Until now the sample code of the RFC itself was used,
but it lacked a license or copyright notice.
See the comment in hmac_md5.c for details.
author | meillo@marmaro.de |
---|---|
date | Sun, 18 Jul 2010 22:20:36 +0200 |
parents | dcb315792513 |
children | bc9d9cd9ee8e |
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 if (addr_isequal_parent(addr, ret_path)) { |
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39 logwrite(LOG_ALERT, "%s == %s: postmaster address failed\n", msg->uid, addr_string(ret_path)); |
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40 return FALSE; |
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41 } |
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42 } |
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43 } else |
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44 ret_path = copy_address(msg->return_path); |
0 | 45 |
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46 DEBUG(1) debugf("sending failure notice to %s.\n", addr_string(ret_path)); |
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47 |
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48 if (template) { |
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49 FILE *file; |
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50 GList *var_table = var_table_conf(var_table_msg(NULL, msg)); |
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51 gchar *err_msg = g_strdup_vprintf(err_fmt, args); |
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52 |
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53 var_table = g_list_prepend(var_table, create_pair_string("err_msg", err_msg)); |
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54 g_free(err_msg); |
0 | 55 |
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56 if ((file = fopen(template, "r"))) { |
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57 FILE *out; |
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58 gchar *cmd; |
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59 pid_t pid; |
0 | 60 |
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61 cmd = g_strdup_printf(SBINDIR "/masqmail -oi -f <> %s@%s", ret_path->local_part, ret_path->domain); |
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62 if ((out = peidopen(cmd, "w", environ, &pid, conf.mail_uid, conf.mail_gid))) { |
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63 gchar fmt[256], line[256]; |
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64 int status, ret; |
0 | 65 |
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66 while ((ret = read_sockline(file, fmt, 256, 0, 0)) > 0) { |
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67 if (fmt[0] == '@') { |
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68 GList *node; |
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69 if (strncmp(fmt, "@failed_rcpts", 13) == 0) { |
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70 foreach(failed_rcpts, node) { |
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71 address *rcpt = (address *) (node->data); |
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72 fprintf(out, "\t%s\n", addr_string(rcpt)); |
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73 } |
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74 } else if (strncmp(fmt, "@msg_headers", 12) == 0) { |
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75 foreach(msg->hdr_list, node) { |
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76 header *hdr = (header *) (node->data); |
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77 fputs(hdr->header, out); |
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78 } |
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79 } else if (strncmp(fmt, "@msg_body", 9) == 0) { |
15 | 80 /* we may have to read the data at this point and remember if we did */ |
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81 gboolean flag = (msg->data_list == NULL); |
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82 if (flag) { |
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83 if (!spool_read_data(msg)) { |
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84 logwrite(LOG_ALERT, "could not open data spool file %s\n", msg->uid); |
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85 } |
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86 } |
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87 foreach(msg->data_list, node) { |
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88 gchar *line = (gchar *) (node->data); |
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89 fputs(line, out); |
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90 } |
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91 if (flag) |
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92 msg_free_data(msg); |
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93 } |
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94 } else { |
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95 expand(var_table, fmt, line, 256); |
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96 fputs(line, out); |
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97 } |
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98 } |
0 | 99 |
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100 fclose(out); |
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101 waitpid(pid, &status, 0); |
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102 if ((WEXITSTATUS(status) != EXIT_SUCCESS) || WIFSIGNALED(status)) { |
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103 if (WEXITSTATUS(status) != EXIT_SUCCESS) |
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104 logwrite(LOG_WARNING, "child returned %d\n", WEXITSTATUS(status)); |
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105 if (WIFSIGNALED(status)) |
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106 logwrite(LOG_WARNING, "child got signal: %d\n", WTERMSIG(status)); |
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107 } else |
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108 ok = TRUE; |
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109 } else { |
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110 logwrite(LOG_ERR, "peopen failed: %s\n", strerror(errno)); |
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111 } |
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112 g_free(cmd); |
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113 fclose(file); |
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114 } else |
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115 logwrite(LOG_ALERT, "could not open failure message template %s: %s\n", conf.errmsg_file, strerror(errno)); |
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116 |
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117 destroy_table(var_table); |
0 | 118 } |
119 | |
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120 destroy_address(ret_path); |
0 | 121 |
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122 return ok; |
0 | 123 } |
124 | |
125 /* | |
126 ival : |--|--|----|--------|--------| | |
127 warned: |-------W-------------W------ | |
128 result: |nnnyyyynnnnyyyyyyyyyynnnnnnn | |
129 */ | |
130 | |
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131 static gboolean |
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132 warn_msg_is_due(message * msg) |
0 | 133 { |
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134 time_t now = time(NULL); |
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135 gint dummy; |
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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, &dummy); |
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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 } |