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annotate src/get.c @ 0:08114f7dcc23 0.2.21

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this is masqmail-0.2.21 from oliver kurth
author meillo@marmaro.de
date Fri, 26 Sep 2008 17:05:23 +0200
parents
children 26e34ae9a3e3
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08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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1 /* MasqMail
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2 Copyright (C) 2000-2002 Oliver Kurth
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3
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4 This program is free software; you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 2 of the License, or
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7 (at your option) any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program; if not, write to the Free Software
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16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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17 */
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18
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19 #include <sys/wait.h>
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20 #include <sys/file.h>
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21 #include <sys/types.h>
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22
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23 #include "masqmail.h"
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24 #include "pop3_in.h"
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25
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26 #ifdef ENABLE_POP3
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27
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28 static int volatile sighup_seen = 0;
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29
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30 static
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31 void sighup_handler(int sig)
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32 {
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33 sighup_seen = 1;
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34 signal(SIGHUP, sighup_handler);
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35 }
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36
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37 static
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38 void sigchld_handler(int sig)
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39 {
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40 pid_t pid;
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41 int status;
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42
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43 pid = waitpid(0, &status, 0);
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44 if(pid > 0){
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45 if(WEXITSTATUS(status) != EXIT_SUCCESS)
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46 logwrite(LOG_WARNING, "process %d exited with %d\n",
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47 pid, WEXITSTATUS(status));
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48 if(WIFSIGNALED(status))
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49 logwrite(LOG_WARNING,
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50 "process with pid %d got signal: %d\n",
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51 pid, WTERMSIG(status));
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52 }
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53 signal(SIGCHLD, sigchld_handler);
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54 }
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55
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56 static
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57 int get_lock(get_conf *gc)
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58 {
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59 #ifdef USE_DOTLOCK
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60 gboolean ok = FALSE;
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61 gchar *hitch_name;
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62 gchar *lock_name;
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63
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64 /* the name of the lock is constructed from the user
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65 and the server name, to prevent more than one connection at the same time
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66 to the same server and the same user. This way concurrent connections
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67 are possible to different servers or different users */
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68 hitch_name = g_strdup_printf("%s/masqmail-get-%s@%s-%d.lock",
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69 conf.lock_dir, gc->login_user,
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70 gc->server_name, getpid());
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71 lock_name = g_strdup_printf("%s/masqmail-get-%s@%s.lock",
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72 conf.lock_dir, gc->login_user, gc->server_name);
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73
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74 ok = dot_lock(lock_name, hitch_name);
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75 if(!ok) logwrite(LOG_WARNING,
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76 "getting mail for %s@%s is locked\n",
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77 gc->login_user, gc->server_name);
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78
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79 g_free(lock_name);
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80 g_free(hitch_name);
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81
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82 return ok;
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83 #else
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84 gchar *lock_name;
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85 int fd;
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86
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87 lock_name = g_strdup_printf("%s/masqmail-get-%s@%s.lock",
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88 conf.lock_dir, gc->login_user, gc->server_name);
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89
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90 if((fd = open(lock_name, O_WRONLY|O_NDELAY|O_APPEND|O_CREAT, 0600)) >= 0){
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91 if(flock(fd, LOCK_EX|LOCK_NB) != 0){
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92 close(fd);
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93 logwrite(LOG_WARNING,
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94 "getting mail for %s@%s is locked\n",
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95 gc->login_user, gc->server_name);
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96 fd = -1;
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97 }
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98 }else
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99 logwrite(LOG_WARNING,
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100 "could not open lock %s: %s\n", lock_name, strerror(errno));
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101
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102 g_free(lock_name);
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103
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104 return fd;
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105 #endif
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106 }
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107
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108 #ifdef USE_DOTLOCK
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109 static
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110 gboolean get_unlock(get_conf *gc)
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111 {
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112 gchar *lock_name lock_name =
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113 g_strdup_printf("%s/masqmail-get-%s@%s.lock",
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114 conf.lock_dir, gc->login_user, gc->server_name);
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115
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116 dot_unlock(lock_name);
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117
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118 g_free(lock_name);
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119
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120 return TRUE;
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121 }
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122 #else
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123 static void get_unlock(get_conf *gc, int fd)
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124 {
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125 gchar *lock_name =
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126 g_strdup_printf("%s/masqmail-get-%s@%s.lock",
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127 conf.lock_dir, gc->login_user, gc->server_name);
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128
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129 flock(fd, LOCK_UN);
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130 close(fd);
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131
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132 unlink(lock_name);
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133 g_free(lock_name);
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134 }
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135 #endif
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136
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137 gboolean get_from_file(gchar *fname)
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138 {
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139 guint flags = 0;
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140 get_conf *gc = read_get_conf(fname);
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141 gboolean ok = TRUE;
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142 int lock;
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143
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144 if(gc){
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145 if(!gc->do_keep) flags |= POP3_FLAG_DELETE;
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146 if(gc->do_uidl) flags |= POP3_FLAG_UIDL;
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147 if(gc->do_uidl_dele) flags |= POP3_FLAG_UIDL_DELE;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
148
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
149 if(!(gc->server_name)){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
150 logwrite(LOG_ALERT, "no server name given in %s\n", fname); return FALSE;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
151 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
152 if(!(gc->address)){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
153 logwrite(LOG_ALERT, "no address given in %s\n", fname); return FALSE;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
154 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
155 if(!(gc->login_user)){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
156 logwrite(LOG_ALERT, "no user name given in %s\n", fname); return FALSE;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
157 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
158 if(!(gc->login_pass)){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
159 logwrite(LOG_ALERT, "no password given in %s\n", fname); return FALSE;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
160 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
161
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
162 DEBUG(3) debugf("flags = %d\n", flags);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
163
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
164 if((strcmp(gc->protocol, "pop3") == 0) || (strcmp(gc->protocol, "apop") == 0)){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
165 pop3_base *popb = NULL;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
166
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
167 if(strcmp(gc->protocol, "apop") == 0){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
168 flags |= POP3_FLAG_APOP;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
169 DEBUG(3) debugf("attempting to get mail for user %s at host %s"
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
170 " for %s@%s with apop\n",
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
171 gc->login_user, gc->server_name,
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
172 gc->address->local_part, gc->address->domain);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
173 }else{
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
174 DEBUG(3) debugf("attempting to get mail for user %s at host %s"
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
175 " for %s@%s with pop3\n",
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
176 gc->login_user, gc->server_name,
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
177 gc->address->local_part, gc->address->domain);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
178 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
179 #ifdef USE_DOTLOCK
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
180 if((lock = get_lock(gc))){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
181 #else
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
182 if((lock = get_lock(gc)) >= 0){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
183 #endif
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
184 if(gc->wrapper){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
185 popb = pop3_in_open_child(gc->wrapper, flags);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
186 /* quick hack */
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
187 popb->remote_host = gc->server_name;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
188 }else{
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
189 popb = pop3_in_open(gc->server_name, gc->server_port,
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
190 gc->resolve_list, flags);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
191 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
192 if(popb){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
193 ok = pop3_get(popb, gc->login_user, gc->login_pass,
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
194 gc->address, gc->return_path,
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
195 gc->max_count, gc->max_size, gc->max_size_delete);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
196 pop3_in_close(popb);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
197 }else{
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
198 ok = FALSE;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
199 logwrite(LOG_ALERT, "failed to connect to host %s\n", gc->server_name);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
200 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
201 #ifdef USE_DOTLOCK
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
202 get_unlock(gc);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
203 #else
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
204 get_unlock(gc, lock);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
205 #endif
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
206 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
207 }else{
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
208 logwrite(LOG_ALERT, "get protocol %s unknown\n", gc->protocol);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
209 ok = FALSE;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
210 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
211
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
212 destroy_get_conf(gc);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
213 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
214 return ok;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
215 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
216
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
217 gboolean get_from_name(gchar *name)
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
218 {
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
219 gchar *fname = (gchar *)table_find(conf.get_names, name);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
220 if(fname)
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
221 return get_from_file(fname);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
222 return FALSE;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
223 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
224
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
225 gboolean get_all()
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
226 {
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
227 GList *get_table = conf.get_names;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
228 GList *get_node;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
229 void (*old_signal)(int);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
230
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
231 old_signal = signal(SIGCHLD, SIG_DFL);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
232
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
233 foreach(get_table, get_node){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
234 table_pair *pair = (table_pair *)(get_node->data);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
235 gchar *fname = (gchar *)pair->value;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
236 pid_t pid;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
237
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
238 pid = fork();
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
239 if(pid == 0){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
240 signal(SIGCHLD, old_signal);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
241 exit(get_from_file(fname) ? EXIT_SUCCESS : EXIT_FAILURE);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
242 }else if(pid > 0){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
243 int status;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
244 waitpid(pid, &status, 0);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
245 if(WEXITSTATUS(status) != EXIT_SUCCESS)
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
246 logwrite(LOG_WARNING, "child returned %d\n", WEXITSTATUS(status));
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
247 if(WIFSIGNALED(status))
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
248 logwrite(LOG_WARNING, "child got signal: %d\n", WTERMSIG(status));
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
249 }else
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
250 logwrite(LOG_WARNING, "forking child failed: %s\n", strerror(errno));
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
251 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
252
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
253 signal(SIGCHLD, old_signal);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
254
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
255 return TRUE;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
256 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
257
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
258 void get_online()
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
259 {
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
260 GList *gf_list = NULL;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
261 gchar *connect_name = detect_online();
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
262
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
263 if(connect_name != NULL){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
264 void (*old_signal)(int);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
265
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
266 old_signal = signal(SIGCHLD, SIG_DFL);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
267
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
268 logwrite(LOG_NOTICE, "detected online configuration %s\n", connect_name);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
269 /* we are online! */
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
270 gf_list = (GList *)table_find(conf.online_gets, connect_name);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
271 if(gf_list != NULL){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
272 GList *node;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
273 foreach(gf_list, node){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
274 gchar *fname = (gchar *)(node->data);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
275 pid_t pid;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
276
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
277 if(fname[0] != '/')
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
278 fname = (gchar *)table_find(conf.get_names, fname);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
279
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
280 if(fname != NULL){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
281 pid = fork();
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
282 if(pid == 0){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
283 signal(SIGCHLD, old_signal);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
284 exit(get_from_file(fname) ? EXIT_SUCCESS : EXIT_FAILURE);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
285 }else if(pid > 0){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
286 int status;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
287 waitpid(pid, &status, 0);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
288 if(WEXITSTATUS(status) != EXIT_SUCCESS)
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
289 logwrite(LOG_WARNING, "child returned %d\n", WEXITSTATUS(status));
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
290 if(WIFSIGNALED(status))
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
291 logwrite(LOG_WARNING, "child got signal: %d\n", WTERMSIG(status));
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
292 }else
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
293 logwrite(LOG_WARNING, "forking child failed: %s\n", strerror(errno));
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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294 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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295 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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296 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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297 signal(SIGCHLD, old_signal);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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298 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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299 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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300
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
301 void get_daemon(gint gival, char *argv[])
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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302 {
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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303 struct timeval tm;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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304 time_t time_before, time_now;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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305 int sel_ret;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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306
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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307 /* setup handler for HUP signal: */
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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308 signal(SIGHUP, sighup_handler);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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309
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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310 /* we can give up root privileges */
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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311 if(!conf.run_as_user){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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312 if(setegid(conf.mail_gid) != 0){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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313 logwrite(LOG_ALERT, "could not change gid to %d: %s\n",
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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314 conf.mail_gid, strerror(errno));
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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315 exit(EXIT_FAILURE);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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316 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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317 if(seteuid(conf.mail_uid) != 0){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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318 logwrite(LOG_ALERT, "could not change uid to %d: %s\n",
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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319 conf.mail_uid, strerror(errno));
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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320 exit(EXIT_FAILURE);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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321 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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322 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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323
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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324 /* sel_ret = 0;*/
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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325 time(&time_before);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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326 time_before -= gival;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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327 sel_ret = -1;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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328
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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329 while (1){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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330 /* see listen_port() in listen.c */
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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331 if(gival > 0){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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332 time(&time_now);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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333 if(sel_ret == 0){ /* we are either just starting or did a queue run */
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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334 tm.tv_sec = gival;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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335 tm.tv_usec = 0;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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336 time_before = time_now;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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337 }else{
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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338 tm.tv_sec = gival - (time_now - time_before);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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339 tm.tv_usec = 0;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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340
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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341 /* race condition, very unlikely (but possible): */
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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342 if(tm.tv_sec < 0)
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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343 tm.tv_sec = 0;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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344 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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345 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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346
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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347 if ((sel_ret = select(0, NULL, NULL, NULL, &tm)) < 0){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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348 if(errno != EINTR){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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349 logwrite(LOG_ALERT, "select: (terminating): %s\n", strerror(errno));
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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350 exit (EXIT_FAILURE);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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351 }else{
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
352 if(sighup_seen){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
353 logwrite(LOG_NOTICE, "HUP signal received. Restarting daemon\n");
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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354
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
355 if(argv == NULL) exit(EXIT_SUCCESS);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
356
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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357 execv(argv[0], &(argv[0]));
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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358 logwrite(LOG_ALERT, "restarting failed: %s\n", strerror(errno));
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
359 exit(EXIT_FAILURE);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
360
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
361 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
362 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
363 }else{
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
364 /* If select returns 0, the interval time has elapsed.
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
365 We start a new get process */
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
366 int pid;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
367 signal(SIGCHLD, sigchld_handler);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
368 if((pid = fork()) == 0){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
369 get_online();
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
370
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
371 _exit(EXIT_SUCCESS);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
372 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
373 else if(pid < 0){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
374 logwrite(LOG_ALERT, "could not fork for get run");
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
375 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
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diff changeset
376 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
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diff changeset
377 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
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diff changeset
378 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
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diff changeset
379
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
380 gboolean pop_before_smtp(gchar *fname)
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
381 {
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
382 gboolean ok = FALSE;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
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diff changeset
383 GList *resolve_list = NULL;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
384 get_conf *gc = read_get_conf(fname);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
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diff changeset
385 guint flags = 0;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
386
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
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diff changeset
387 #ifdef ENABLE_RESOLVER
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
388 resolve_list = g_list_append(resolve_list, resolve_dns_a);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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parents:
diff changeset
389 #endif
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
390 resolve_list = g_list_append(resolve_list, resolve_byname);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
391
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
392 if(strcmp(gc->protocol, "pop3") == 0){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
393 DEBUG(3) debugf("attempting to login for user %s, host = %s with pop3\n",
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
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diff changeset
394 gc->login_user, gc->server_name);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
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diff changeset
395 ok = pop3_login(gc->server_name, gc->server_port, resolve_list,
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
396 gc->login_user, gc->login_pass,
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
397 flags);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
398 }else if(strcmp(gc->protocol, "apop") == 0){
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
399 DEBUG(3) debugf("attempting to login for user %s, host = %s with apop\n",
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
400 gc->login_user, gc->server_name);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
401 ok = pop3_login(gc->server_name, gc->server_port, resolve_list,
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
402 gc->login_user, gc->login_pass,
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
403 flags | POP3_FLAG_APOP);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
404 }else{
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
405 logwrite(LOG_ALERT, "get protocol %s unknown\n", gc->protocol);
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
406 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
407 return ok;
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
408 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
409
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth
meillo@marmaro.de
parents:
diff changeset
410 #endif