Mercurial > dovecot > original-hg > dovecot-1.2

annotate src/master/main.c @ 2306:6aa77fdf152e HEAD

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SIGHUP correctly reloads configuration now
author Timo Sirainen <tss@iki.fi>
date Fri, 09 Jul 2004 22:09:17 +0300
parents dcff4c088f1a
children 4558d1b196fd
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1 /* Copyright (C) 2002 Timo Sirainen */
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2
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3 #include "common.h"
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4 #include "ioloop.h"
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5 #include "lib-signals.h"
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6 #include "network.h"
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7 #include "env-util.h"
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8 #include "fd-close-on-exec.h"
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9
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10 #include "auth-process.h"
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11 #include "login-process.h"
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12 #include "mail-process.h"
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13 #include "ssl-init.h"
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14 #include "log.h"
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15
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16 #include <stdio.h>
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17 #include <stdlib.h>
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18 #include <unistd.h>
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19 #include <fcntl.h>
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20 #include <syslog.h>
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21 #include <sys/stat.h>
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22 #include <sys/wait.h>
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23
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24 const char *process_names[PROCESS_TYPE_MAX] = {
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25 "unknown",
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26 "auth",
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27 "login",
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28 "imap",
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29 "pop3",
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30 "ssl-param"
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31 };
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32
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33 static const char *configfile = SYSCONFDIR "/" PACKAGE ".conf";
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34 static struct timeout *to;
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35
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36 struct ioloop *ioloop;
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37 struct hash_table *pids;
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38 int null_fd, inetd_login_fd;
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39 uid_t master_uid;
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40 #ifdef DEBUG
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41 static int gdb;
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42 #endif
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43
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44 static void listen_fds_open(int retry);
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45 static void listen_fds_close(struct server_settings *server);
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46
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47 int validate_str(const char *str, size_t max_len)
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48 {
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49 size_t i;
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50
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51 for (i = 0; i < max_len; i++) {
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52 if (str[i] == '\0')
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53 return TRUE;
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54 }
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55
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56 return FALSE;
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57 }
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58
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59 void child_process_init_env(void)
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60 {
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61 /* remove all environment, we don't need them */
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62 env_clean();
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63
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64 /* we'll log through master process */
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65 env_put("LOG_TO_MASTER=1");
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66
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67 #ifdef DEBUG
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68 if (gdb) env_put("GDB=1");
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69 #endif
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70 }
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71
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72 static void sig_quit(int signo __attr_unused__)
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73 {
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74 io_loop_stop(ioloop);
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75 }
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76
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77 static void set_logfile(struct settings *set)
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78 {
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79 if (set->log_path == NULL)
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80 i_set_failure_syslog("dovecot", LOG_NDELAY, LOG_MAIL);
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81 else {
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82 /* log to file or stderr */
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83 i_set_failure_file(set->log_path, "dovecot");
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84 }
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85
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86 if (set->info_log_path != NULL)
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87 i_set_info_file(set->info_log_path);
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88
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89 i_set_failure_timestamp_format(set->log_timestamp);
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90 }
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91
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92 static void settings_reload(void)
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93 {
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94 struct server_settings *old_set = settings_root;
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95
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96 i_warning("SIGHUP received - reloading configuration");
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97
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98 /* restart auth and login processes */
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99 login_processes_destroy_all();
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100 auth_processes_destroy_all();
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101
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102 if (!master_settings_read(configfile))
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103 i_warning("Invalid configuration, keeping old one");
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104 else {
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105 listen_fds_close(old_set);
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106 listen_fds_open(TRUE);
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107 set_logfile(settings_root->defaults);
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108 }
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109 }
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110
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111 static const char *get_exit_status_message(enum fatal_exit_status status)
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112 {
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113 switch (status) {
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114 case FATAL_LOGOPEN:
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115 return "Can't open log file";
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116 case FATAL_LOGWRITE:
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117 return "Can't write to log file";
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118 case FATAL_LOGERROR:
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119 return "Internal logging error";
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120 case FATAL_OUTOFMEM:
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121 return "Out of memory";
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122 case FATAL_EXEC:
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123 return "exec() failed";
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124
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125 case FATAL_DEFAULT:
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126 return NULL;
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127 }
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128
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129 return NULL;
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130 }
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131
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132 static void timeout_handler(void *context __attr_unused__)
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133 {
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134 const char *process_type_name, *msg;
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135 pid_t pid;
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136 int status, process_type;
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137
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138 if (lib_signal_hup != 0) {
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139 settings_reload();
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140 lib_signal_hup = 0;
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141 }
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142
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143 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
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144 /* get the type and remove from hash */
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145 process_type = PID_GET_PROCESS_TYPE(pid);
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146 PID_REMOVE_PROCESS_TYPE(pid);
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147
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148 if (process_type == PROCESS_TYPE_IMAP ||
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149 process_type == PROCESS_TYPE_POP3)
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150 mail_process_destroyed(pid);
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151 if (process_type == PROCESS_TYPE_SSL_PARAM)
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152 ssl_parameter_process_destroyed(pid);
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153
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154 /* write errors to syslog */
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155 process_type_name = process_names[process_type];
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156 if (WIFEXITED(status)) {
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157 status = WEXITSTATUS(status);
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158 if (status != 0) {
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159 if (process_type == PROCESS_TYPE_LOGIN)
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160 login_process_abormal_exit(pid);
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161
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162 msg = get_exit_status_message(status);
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163 msg = msg == NULL ? "" :
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164 t_strconcat(" (", msg, ")", NULL);
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165 i_error("child %s (%s) returned error %d%s",
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166 dec2str(pid), process_type_name,
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167 status, msg);
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168 }
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169 } else if (WIFSIGNALED(status)) {
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170 if (process_type == PROCESS_TYPE_LOGIN)
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171 login_process_abormal_exit(pid);
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172 i_error("child %s (%s) killed with signal %d",
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173 dec2str(pid), process_type_name,
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174 WTERMSIG(status));
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175 }
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176 }
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177
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178 if (pid == -1 && errno != EINTR && errno != ECHILD)
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179 i_warning("waitpid() failed: %m");
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180 }
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181
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182 static struct ip_addr *resolve_ip(const char *name, unsigned int *port)
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183 {
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184 const char *p;
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185 struct ip_addr *ip;
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186 int ret, ips_count;
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187
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188 if (name == NULL)
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189 return NULL; /* defaults to "*" or "[::]" */
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190
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191 if (name[0] == '[') {
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192 /* IPv6 address */
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193 p = strchr(name, ']');
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194 if (p == NULL)
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195 i_fatal("Missing ']' in address %s", name);
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196
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197 name = t_strdup_until(name+1, p);
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198
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199 p++;
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200 if (*p == '\0')
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201 p = NULL;
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202 else if (*p != ':')
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203 i_fatal("Invalid data after ']' in address %s", name);
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204 } else {
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205 p = strrchr(name, ':');
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206 if (p != NULL)
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207 name = t_strdup_until(name, p);
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208 }
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209
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210 if (p != NULL) {
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211 if (!is_numeric(p+1, '\0'))
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212 i_fatal("Invalid port in address %s", name);
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213 *port = atoi(p+1);
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214 }
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215
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216 if (strcmp(name, "*") == 0) {
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217 /* IPv4 any */
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218 ip = t_new(struct ip_addr, 1);
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219 net_get_ip_any4(ip);
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220 return ip;
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221 }
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222
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223 if (strcmp(name, "::") == 0) {
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224 /* IPv6 any */
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225 ip = t_new(struct ip_addr, 1);
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226 net_get_ip_any6(ip);
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227 return ip;
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228 }
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229
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230 /* Return the first IP if there happens to be multiple. */
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231 ret = net_gethostbyname(name, &ip, &ips_count);
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diff changeset
232 if (ret != 0) {
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diff changeset
233 i_fatal("Can't resolve address %s: %s",
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diff changeset
234 name, net_gethosterror(ret));
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diff changeset
235 }
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236
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237 if (ips_count < 1)
36
2d6f60efa704 imaps host was resolved wrong
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diff changeset
238 i_fatal("No IPs for address: %s", name);
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239
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240 return ip;
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241 }
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242
2306
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diff changeset
243 static void listen_protocols(struct settings *set, int retry)
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244 {
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245 struct ip_addr *normal_ip, *ssl_ip, *ip;
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246 const char *const *proto;
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247 unsigned int normal_port, ssl_port, port;
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248 int *fd, i;
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249
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250 normal_port = set->protocol == MAIL_PROTOCOL_IMAP ? 143 : 110;
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251 #ifdef HAVE_SSL
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252 ssl_port = set->protocol == MAIL_PROTOCOL_IMAP ? 993 : 995;
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253 #else
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254 ssl_port = 0;
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diff changeset
255 #endif
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256
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diff changeset
257 /* resolve */
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258 normal_ip = resolve_ip(set->listen, &normal_port);
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259 ssl_ip = resolve_ip(set->ssl_listen, &ssl_port);
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260
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diff changeset
261 if (ssl_ip == NULL && set->ssl_listen == NULL)
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262 ssl_ip = normal_ip;
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263
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diff changeset
264 /* register wanted protocols */
1820
02bc3ef29b22 Added t_strsplit_spaces().
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diff changeset
265 proto = t_strsplit_spaces(set->protocols, " ");
02bc3ef29b22 Added t_strsplit_spaces().
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diff changeset
266 for (; *proto != NULL; proto++) {
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267 fd = NULL; ip = NULL; port = 0;
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diff changeset
268 if (strcasecmp(*proto, "imap") == 0) {
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diff changeset
269 if (set->protocol == MAIL_PROTOCOL_IMAP) {
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270 fd = &set->listen_fd;
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271 port = normal_port; ip = normal_ip;
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272 }
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273 } else if (strcasecmp(*proto, "imaps") == 0) {
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diff changeset
274 if (set->protocol == MAIL_PROTOCOL_IMAP &&
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275 !set->ssl_disable) {
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276 fd = &set->ssl_listen_fd;
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277 port = ssl_port; ip = ssl_ip;
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diff changeset
278 }
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279 } else if (strcasecmp(*proto, "pop3") == 0) {
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280 if (set->protocol == MAIL_PROTOCOL_POP3) {
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281 fd = &set->listen_fd;
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282 port = normal_port; ip = normal_ip;
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diff changeset
283 }
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284 } else if (strcasecmp(*proto, "pop3s") == 0) {
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285 if (set->protocol == MAIL_PROTOCOL_POP3 &&
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
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diff changeset
286 !set->ssl_disable) {
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
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diff changeset
287 fd = &set->ssl_listen_fd;
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288 port = ssl_port; ip = ssl_ip;
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diff changeset
289 }
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diff changeset
290 } else {
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3
Timo Sirainen <tss@iki.fi>
parents: 1036
diff changeset
291 i_fatal("Unknown protocol %s", *proto);
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3
Timo Sirainen <tss@iki.fi>
parents: 1036
diff changeset
292 }
0
3b1985cbc908 Initial revision
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parents:
diff changeset
293
1610
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
294 if (fd == NULL)
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
295 continue;
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
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parents: 1423
diff changeset
296
1055
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3
Timo Sirainen <tss@iki.fi>
parents: 1036
diff changeset
297 if (*fd != -1)
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3
Timo Sirainen <tss@iki.fi>
parents: 1036
diff changeset
298 i_fatal("Protocol %s given more than once", *proto);
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3
Timo Sirainen <tss@iki.fi>
parents: 1036
diff changeset
299
1610
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
300 if (port == 0)
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
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diff changeset
301 *fd = null_fd;
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
302 else {
2306
6aa77fdf152e SIGHUP correctly reloads configuration now
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parents: 2235
diff changeset
303 for (i = 0; i < 10; i++) {
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
304 *fd = net_listen(ip, &port);
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
305 if (*fd != -1 || errno != EADDRINUSE || !retry)
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
306 break;
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
307
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
308 /* wait a while and try again. we're SIGHUPing
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
309 so we most likely just closed it ourself.. */
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
310 sleep(1);
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
311 }
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
312
1423
3e73d02e5f71 Don't try to set /dev/null fd nonblocking, all systems don't like that.
Timo Sirainen <tss@iki.fi>
parents: 1367
diff changeset
313 if (*fd == -1)
3e73d02e5f71 Don't try to set /dev/null fd nonblocking, all systems don't like that.
Timo Sirainen <tss@iki.fi>
parents: 1367
diff changeset
314 i_fatal("listen(%d) failed: %m", port);
3e73d02e5f71 Don't try to set /dev/null fd nonblocking, all systems don't like that.
Timo Sirainen <tss@iki.fi>
parents: 1367
diff changeset
315 net_set_nonblock(*fd, TRUE);
3e73d02e5f71 Don't try to set /dev/null fd nonblocking, all systems don't like that.
Timo Sirainen <tss@iki.fi>
parents: 1367
diff changeset
316 }
1055
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3
Timo Sirainen <tss@iki.fi>
parents: 1036
diff changeset
317 fd_close_on_exec(*fd, TRUE);
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3
Timo Sirainen <tss@iki.fi>
parents: 1036
diff changeset
318 }
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3
Timo Sirainen <tss@iki.fi>
parents: 1036
diff changeset
319
1610
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
320 if (set->listen_fd == -1)
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
321 set->listen_fd = null_fd;
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
322 if (set->ssl_listen_fd == -1)
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
323 set->ssl_listen_fd = null_fd;
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
324 }
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
325
2306
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
326 static void listen_fds_open(int retry)
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Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
327 {
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
328 struct server_settings *server;
6aa77fdf152e SIGHUP correctly reloads configuration now
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parents: 2235
diff changeset
329
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
330 for (server = settings_root; server != NULL; server = server->next) {
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
331 if (server->imap != NULL)
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
332 listen_protocols(server->imap, retry);
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
333 if (server->pop3 != NULL)
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
334 listen_protocols(server->pop3, retry);
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
335 }
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
336 }
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
337
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
338 static void listen_fds_close(struct server_settings *server)
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
339 {
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
340 for (; server != NULL; server = server->next) {
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
341 if (server->imap != NULL) {
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
342 if (server->imap->listen_fd != null_fd &&
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
343 close(server->imap->listen_fd) < 0)
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
344 i_error("close(imap.listen_fd) failed: %m");
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
345 if (server->imap->ssl_listen_fd != null_fd &&
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
346 close(server->imap->ssl_listen_fd) < 0)
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
347 i_error("close(imap.ssl_listen_fd) failed: %m");
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
348 }
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
349 if (server->pop3 != NULL) {
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
350 if (server->pop3->listen_fd != null_fd &&
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
351 close(server->pop3->listen_fd) < 0)
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
352 i_error("close(pop3.listen_fd) failed: %m");
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
353 if (server->pop3->ssl_listen_fd != null_fd &&
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
354 close(server->pop3->ssl_listen_fd) < 0)
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
355 i_error("close(pop3.ssl_listen_fd) failed: %m");
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
356 }
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
357 }
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
358 }
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
359
1610
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
360 static int have_stderr_set(struct settings *set)
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
361 {
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
362 if (set->log_path != NULL &&
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
363 strcmp(set->log_path, "/dev/stderr") == 0)
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
364 return TRUE;
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
365
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
366 if (set->info_log_path != NULL &&
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
367 strcmp(set->info_log_path, "/dev/stderr") == 0)
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
368 return TRUE;
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
369
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
370 return FALSE;
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
371 }
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
372
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
373 static int have_stderr(struct server_settings *server)
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
374 {
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
375 while (server != NULL) {
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
376 if (server->imap != NULL && have_stderr_set(server->imap))
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
377 return TRUE;
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
378 if (server->pop3 != NULL && have_stderr_set(server->pop3))
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
379 return TRUE;
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
380
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
381 server = server->next;
1055
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3
Timo Sirainen <tss@iki.fi>
parents: 1036
diff changeset
382 }
1610
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
383
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
384 return FALSE;
1273
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
385 }
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
386
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
387 static void open_fds(void)
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
388 {
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
389 /* initialize fds. */
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
390 null_fd = open("/dev/null", O_RDONLY);
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
391 if (null_fd == -1)
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
392 i_fatal("Can't open /dev/null: %m");
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
393 fd_close_on_exec(null_fd, TRUE);
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
394
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
395 /* make sure all fds between 0..3 are used. */
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
396 while (null_fd < 4) {
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
397 null_fd = dup(null_fd);
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
398 fd_close_on_exec(null_fd, TRUE);
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
399 }
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
400
2306
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
401 if (!IS_INETD())
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
402 listen_fds_open(FALSE);
1124
5e9430a39611 /dev/stderr works now in log paths.
Timo Sirainen <tss@iki.fi>
parents: 1100
diff changeset
403
5e9430a39611 /dev/stderr works now in log paths.
Timo Sirainen <tss@iki.fi>
parents: 1100
diff changeset
404 /* close stdin and stdout. close stderr unless we're logging
5e9430a39611 /dev/stderr works now in log paths.
Timo Sirainen <tss@iki.fi>
parents: 1100
diff changeset
405 into /dev/stderr. */
5e9430a39611 /dev/stderr works now in log paths.
Timo Sirainen <tss@iki.fi>
parents: 1100
diff changeset
406 if (dup2(null_fd, 0) < 0)
5e9430a39611 /dev/stderr works now in log paths.
Timo Sirainen <tss@iki.fi>
parents: 1100
diff changeset
407 i_fatal("dup2(0) failed: %m");
5e9430a39611 /dev/stderr works now in log paths.
Timo Sirainen <tss@iki.fi>
parents: 1100
diff changeset
408 if (dup2(null_fd, 1) < 0)
5e9430a39611 /dev/stderr works now in log paths.
Timo Sirainen <tss@iki.fi>
parents: 1100
diff changeset
409 i_fatal("dup2(1) failed: %m");
5e9430a39611 /dev/stderr works now in log paths.
Timo Sirainen <tss@iki.fi>
parents: 1100
diff changeset
410
1610
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
411 if (!have_stderr(settings_root)) {
1124
5e9430a39611 /dev/stderr works now in log paths.
Timo Sirainen <tss@iki.fi>
parents: 1100
diff changeset
412 if (dup2(null_fd, 2) < 0)
1273
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
413 i_fatal("dup2(2) failed: %m");
1124
5e9430a39611 /dev/stderr works now in log paths.
Timo Sirainen <tss@iki.fi>
parents: 1100
diff changeset
414 }
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
415 }
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
416
50
d493b9cc265e Introduced uoff_t which is the unsigned-equilevant of off_t. This was needed
Timo Sirainen <tss@iki.fi>
parents: 37
diff changeset
417 static void main_init(void)
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
418 {
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
419 /* deny file access from everyone else except owner */
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
420 (void)umask(0077);
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
421
2306
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
422 set_logfile(settings_root->defaults);
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
423 i_info("Dovecot v"VERSION" starting up");
6aa77fdf152e SIGHUP correctly reloads configuration now
Timo Sirainen <tss@iki.fi>
parents: 2235
diff changeset
424
2000
c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation,
Timo Sirainen <tss@iki.fi>
parents: 1820
diff changeset
425 log_init();
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
426
801
86224ff16bf6 Drop root privileges earlier. Close syslog more later in imap-master when
Timo Sirainen <tss@iki.fi>
parents: 780
diff changeset
427 lib_init_signals(sig_quit);
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
428
945
501f076f2e74 Rewrote hash table code, works with less memory now. Also some memory
Timo Sirainen <tss@iki.fi>
parents: 926
diff changeset
429 pids = hash_create(default_pool, default_pool, 128, NULL, NULL);
635
90a65c017bf0 SIGHUP reloads now settings. Logged in clients are left untouched, but
Timo Sirainen <tss@iki.fi>
parents: 615
diff changeset
430 to = timeout_add(100, timeout_handler, NULL);
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
431
615
0d852af6842e Master process generates DH/RSA parameters now and stores them into file
Timo Sirainen <tss@iki.fi>
parents: 610
diff changeset
432 ssl_init();
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
433 auth_processes_init();
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
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434 login_processes_init();
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435 }
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436
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437 static void main_deinit(void)
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438 {
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439 if (lib_signal_kill != 0)
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440 i_warning("Killed with signal %d", lib_signal_kill);
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441
1000
0fbafade2d85 If auth/login process died unexpectedly, the exit status or killing signal
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442 /* make sure we log if child processes died unexpectedly */
1036
f782b3319553 Removed useless parameters from io_callback_t and timeout_callback_t.
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443 timeout_handler(NULL);
1000
0fbafade2d85 If auth/login process died unexpectedly, the exit status or killing signal
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parents: 945
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444
0
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445 login_processes_deinit();
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446 auth_processes_deinit();
615
0d852af6842e Master process generates DH/RSA parameters now and stores them into file
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parents: 610
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447 ssl_deinit();
0
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448
635
90a65c017bf0 SIGHUP reloads now settings. Logged in clients are left untouched, but
Timo Sirainen <tss@iki.fi>
parents: 615
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449 timeout_remove(to);
0
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450
805
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several
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parents: 801
diff changeset
451 if (close(null_fd) < 0)
5ac361acb316 Marked all non-trivial buffer modifications with @UNSAFE tag. Several
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diff changeset
452 i_error("close(null_fd) failed: %m");
1055
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3
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parents: 1036
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453
0
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454 hash_destroy(pids);
2000
c7c19f5071c3 Write all logging through master process. Fixes problems with log rotation,
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parents: 1820
diff changeset
455 log_deinit();
0
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456 closelog();
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457 }
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458
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6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
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parents: 1423
diff changeset
459 static void daemonize(struct settings *set)
0
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460 {
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461 pid_t pid;
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462
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463 pid = fork();
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464 if (pid < 0)
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465 i_fatal("fork() failed: %m");
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466
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467 if (pid != 0)
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468 _exit(0);
610
bc766660efc4 Call setsid() when daemonizing.
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parents: 575
diff changeset
469
801
86224ff16bf6 Drop root privileges earlier. Close syslog more later in imap-master when
Timo Sirainen <tss@iki.fi>
parents: 780
diff changeset
470 if (setsid() < 0)
86224ff16bf6 Drop root privileges earlier. Close syslog more later in imap-master when
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parents: 780
diff changeset
471 i_fatal("setsid() failed: %m");
1367
533bb936e674 chdir() to base_dir at startup. chdir() mail processes to home dir if it's
Timo Sirainen <tss@iki.fi>
parents: 1358
diff changeset
472
533bb936e674 chdir() to base_dir at startup. chdir() mail processes to home dir if it's
Timo Sirainen <tss@iki.fi>
parents: 1358
diff changeset
473 if (chdir(set->base_dir) < 0)
533bb936e674 chdir() to base_dir at startup. chdir() mail processes to home dir if it's
Timo Sirainen <tss@iki.fi>
parents: 1358
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474 i_fatal("chdir(%s) failed: %m", set->base_dir);
0
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475 }
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476
279
49f4b0be0d87 Print usage with invalid parameters.
Timo Sirainen <tss@iki.fi>
parents: 50
diff changeset
477 static void print_help(void)
49f4b0be0d87 Print usage with invalid parameters.
Timo Sirainen <tss@iki.fi>
parents: 50
diff changeset
478 {
1055
a72bba3f8a55 Rewrote setting handling. Changed some existing settings also since POP3
Timo Sirainen <tss@iki.fi>
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479 printf("Usage: dovecot [-F] [-c <config file>]\n");
279
49f4b0be0d87 Print usage with invalid parameters.
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diff changeset
480 }
49f4b0be0d87 Print usage with invalid parameters.
Timo Sirainen <tss@iki.fi>
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diff changeset
481
0
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parents:
diff changeset
482 int main(int argc, char *argv[])
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parents:
diff changeset
483 {
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
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484 /* parse arguments */
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diff changeset
485 int foreground = FALSE;
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parents:
diff changeset
486 int i;
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487
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parents:
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488 lib_init();
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489
1617
cc3cef25662c Replaced geteuid() calls with one in the beginning and saving it to
Timo Sirainen <tss@iki.fi>
parents: 1610
diff changeset
490 master_uid = geteuid();
1273
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
491 inetd_login_fd = -1;
0
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parents:
diff changeset
492 for (i = 1; i < argc; i++) {
3b1985cbc908 Initial revision
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parents:
diff changeset
493 if (strcmp(argv[i], "-F") == 0) {
3b1985cbc908 Initial revision
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parents:
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494 /* foreground */
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
495 foreground = TRUE;
3b1985cbc908 Initial revision
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parents:
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496 } else if (strcmp(argv[i], "-c") == 0) {
3b1985cbc908 Initial revision
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parents:
diff changeset
497 /* config file */
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
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498 i++;
3b1985cbc908 Initial revision
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parents:
diff changeset
499 if (i == argc) i_fatal("Missing config file argument");
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parents:
diff changeset
500 configfile = argv[i];
1273
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
501 } else if (strcmp(argv[i], "--inetd") == 0) {
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
502 /* starting through inetd. */
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
503 inetd_login_fd = dup(0);
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
504 if (inetd_login_fd == -1)
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
505 i_fatal("dup(0) failed: %m");
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
506 fd_close_on_exec(inetd_login_fd, TRUE);
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
507 foreground = TRUE;
1260
e6e81ce8210b Added --version
Timo Sirainen <tss@iki.fi>
parents: 1229
diff changeset
508 } else if (strcmp(argv[i], "--version") == 0) {
e6e81ce8210b Added --version
Timo Sirainen <tss@iki.fi>
parents: 1229
diff changeset
509 printf("%s\n", VERSION);
e6e81ce8210b Added --version
Timo Sirainen <tss@iki.fi>
parents: 1229
diff changeset
510 return 0;
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
511 } else {
279
49f4b0be0d87 Print usage with invalid parameters.
Timo Sirainen <tss@iki.fi>
parents: 50
diff changeset
512 print_help();
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
513 i_fatal("Unknown argument: %s", argv[1]);
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
514 }
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
515 }
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
516
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
517 /* read and verify settings before forking */
1058
3b8fb7bf7ecc Moved settings parsing to lib-settings.
Timo Sirainen <tss@iki.fi>
parents: 1055
diff changeset
518 master_settings_init();
1610
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
519 if (!master_settings_read(configfile))
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
520 exit(FATAL_DEFAULT);
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
521 open_fds();
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
522
2235
dcff4c088f1a DEBUG: If GDB environment is set, don't do fd leak checks.
Timo Sirainen <tss@iki.fi>
parents: 2047
diff changeset
523 #ifdef DEBUG
dcff4c088f1a DEBUG: If GDB environment is set, don't do fd leak checks.
Timo Sirainen <tss@iki.fi>
parents: 2047
diff changeset
524 gdb = getenv("GDB") != NULL;
dcff4c088f1a DEBUG: If GDB environment is set, don't do fd leak checks.
Timo Sirainen <tss@iki.fi>
parents: 2047
diff changeset
525 #endif
1273
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
526 /* we don't need any environment */
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
527 env_clean();
2cf2e08a6ee9 Somewhat working code to support loading Dovecot from inetd and such. It
Timo Sirainen <tss@iki.fi>
parents: 1268
diff changeset
528
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
529 if (!foreground)
1610
6850142c4e25 New configuration file code. Some syntax changes, but tries to be somewhat
Timo Sirainen <tss@iki.fi>
parents: 1423
diff changeset
530 daemonize(settings_root->defaults);
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
531
389
60040a9d243f ioloop_create() takes now pool-parameter. io_buffer_create_mmaped() takes
Timo Sirainen <tss@iki.fi>
parents: 279
diff changeset
532 ioloop = io_loop_create(system_pool);
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
533
35
b420373f88f6 Added log_path and log_timestamp settings to config file. Removed -l command
Timo Sirainen <tss@iki.fi>
parents: 10
diff changeset
534 main_init();
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
535 io_loop_run(ioloop);
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
536 main_deinit();
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
537
1058
3b8fb7bf7ecc Moved settings parsing to lib-settings.
Timo Sirainen <tss@iki.fi>
parents: 1055
diff changeset
538 master_settings_deinit();
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
539 io_loop_destroy(ioloop);
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
540 lib_deinit();
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
541
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
542 return 0;
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
543 }