Mercurial > dovecot > core-2.2
annotate src/pop3/main.c @ 19601:6cc236e74455
imap, pop3, lmtp: Enable MAIL_STORAGE_SERVICE_FLAG_AUTOEXPUNGE
author | Timo Sirainen <timo.sirainen@dovecot.fi> |
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date | Wed, 20 Jan 2016 13:30:43 +0200 |
parents | 0f22db71df7a |
children | 3a4866198d8f |
rev | line source |
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1 /* Copyright (c) 2002-2016 Dovecot authors, see the included COPYING file */ |
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2 |
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3 #include "pop3-common.h" |
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4 #include "ioloop.h" |
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5 #include "buffer.h" |
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6 #include "istream.h" |
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7 #include "ostream.h" |
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8 #include "abspath.h" |
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9 #include "base64.h" |
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10 #include "str.h" |
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11 #include "process-title.h" |
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12 #include "restrict-access.h" |
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13 #include "master-service.h" |
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14 #include "master-login.h" |
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16 #include "var-expand.h" |
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17 #include "mail-error.h" |
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18 #include "mail-user.h" |
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19 #include "mail-storage-service.h" |
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20 |
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21 #include <stdio.h> |
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22 #include <unistd.h> |
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23 |
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24 #define IS_STANDALONE() \ |
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25 (getenv(MASTER_IS_PARENT_ENV) == NULL) |
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26 |
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27 static bool verbose_proctitle = FALSE; |
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28 static struct mail_storage_service_ctx *storage_service; |
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29 static struct master_login *master_login = NULL; |
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30 |
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31 pop3_client_created_func_t *hook_client_created = NULL; |
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32 |
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33 pop3_client_created_func_t * |
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34 pop3_client_created_hook_set(pop3_client_created_func_t *new_hook) |
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35 { |
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36 pop3_client_created_func_t *old_hook = hook_client_created; |
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37 |
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38 hook_client_created = new_hook; |
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39 return old_hook; |
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40 } |
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42 void pop3_refresh_proctitle(void) |
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43 { |
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44 struct client *client; |
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45 string_t *title = t_str_new(128); |
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46 |
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47 if (!verbose_proctitle) |
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48 return; |
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49 |
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50 str_append_c(title, '['); |
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51 switch (pop3_client_count) { |
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52 case 0: |
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53 str_append(title, "idling"); |
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54 break; |
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55 case 1: |
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56 client = pop3_clients; |
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57 str_append(title, client->user->username); |
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58 if (client->user->remote_ip != NULL) { |
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59 str_append_c(title, ' '); |
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60 str_append(title, net_ip2addr(client->user->remote_ip)); |
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61 } |
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62 break; |
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63 default: |
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64 str_printfa(title, "%u connections", pop3_client_count); |
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65 break; |
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66 } |
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67 str_append_c(title, ']'); |
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68 process_title_set(str_c(title)); |
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69 } |
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70 |
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71 static void pop3_die(void) |
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72 { |
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73 /* do nothing. pop3 connections typically die pretty quick anyway. */ |
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74 } |
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75 |
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76 static void client_add_input(struct client *client, const buffer_t *buf) |
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77 { |
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78 struct ostream *output; |
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79 |
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80 if (buf != NULL && buf->used > 0) { |
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81 if (!i_stream_add_data(client->input, buf->data, buf->used)) |
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82 i_panic("Couldn't add client input to stream"); |
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83 } |
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84 |
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85 output = client->output; |
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86 o_stream_ref(output); |
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87 o_stream_cork(output); |
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88 (void)client_handle_input(client); |
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89 o_stream_uncork(output); |
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90 o_stream_unref(&output); |
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91 } |
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92 |
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93 static int |
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94 client_create_from_input(const struct mail_storage_service_input *input, |
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95 int fd_in, int fd_out, const buffer_t *input_buf, |
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96 const char **error_r) |
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97 { |
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98 const char *lookup_error_str = |
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99 "-ERR [SYS/TEMP] "MAIL_ERRSTR_CRITICAL_MSG"\r\n"; |
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100 struct mail_storage_service_user *user; |
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101 struct mail_user *mail_user; |
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102 struct client *client; |
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103 const struct pop3_settings *set; |
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104 const char *error; |
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105 |
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106 if (mail_storage_service_lookup_next(storage_service, input, |
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107 &user, &mail_user, error_r) <= 0) { |
18629 | 108 if (write(fd_out, lookup_error_str, strlen(lookup_error_str)) < 0) { |
109 /* ignored */ | |
110 } | |
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111 return -1; |
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112 } |
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113 restrict_access_allow_coredumps(TRUE); |
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114 |
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115 set = mail_storage_service_user_get_set(user)[1]; |
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116 if (set->verbose_proctitle) |
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117 verbose_proctitle = TRUE; |
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118 |
15786 | 119 if (client_create(fd_in, fd_out, input->session_id, |
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120 mail_user, user, set, &client) < 0) |
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121 return 0; |
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122 if (!IS_STANDALONE()) |
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123 client_send_line(client, "+OK Logged in."); |
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124 if (client_init_mailbox(client, &error) == 0) |
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125 client_add_input(client, input_buf); |
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126 else { |
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127 i_error("%s", error); |
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128 client_destroy(client, error); |
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129 } |
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130 return 0; |
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131 } |
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132 |
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133 static void main_stdio_run(const char *username) |
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134 { |
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135 struct mail_storage_service_input input; |
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136 buffer_t *input_buf; |
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137 const char *value, *error, *input_base64; |
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138 |
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139 memset(&input, 0, sizeof(input)); |
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140 input.module = input.service = "pop3"; |
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141 input.username = username != NULL ? username : getenv("USER"); |
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142 if (input.username == NULL && IS_STANDALONE()) |
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143 input.username = getlogin(); |
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144 if (input.username == NULL) |
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145 i_fatal("USER environment missing"); |
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146 if ((value = getenv("IP")) != NULL) |
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Make sure we check all the functions' return values. Minor API changes to simplify this.
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147 (void)net_addr2ip(value, &input.remote_ip); |
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148 if ((value = getenv("LOCAL_IP")) != NULL) |
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149 (void)net_addr2ip(value, &input.local_ip); |
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150 |
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151 input_base64 = getenv("CLIENT_INPUT"); |
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152 input_buf = input_base64 == NULL ? NULL : |
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153 t_base64_decode_str(input_base64); |
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154 |
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155 if (client_create_from_input(&input, STDIN_FILENO, STDOUT_FILENO, |
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156 input_buf, &error) < 0) |
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157 i_fatal("%s", error); |
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158 } |
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159 |
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160 static void |
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161 login_client_connected(const struct master_login_client *client, |
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162 const char *username, const char *const *extra_fields) |
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163 { |
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164 struct mail_storage_service_input input; |
10130
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165 const char *error; |
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166 buffer_t input_buf; |
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167 |
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168 memset(&input, 0, sizeof(input)); |
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169 input.module = input.service = "pop3"; |
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170 input.local_ip = client->auth_req.local_ip; |
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171 input.remote_ip = client->auth_req.remote_ip; |
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172 input.username = username; |
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173 input.userdb_fields = extra_fields; |
14302
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Added a "session ID" string for imap/pop3 connections, available in %{session} variable.
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|
174 input.session_id = client->session_id; |
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175 |
15034
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Renamed buffer_create_*data() to buffer_create_from_*data() for consistency.
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176 buffer_create_from_const_data(&input_buf, client->data, |
7efef678bca8
Renamed buffer_create_*data() to buffer_create_from_*data() for consistency.
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|
177 client->auth_req.data_size); |
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178 if (client_create_from_input(&input, client->fd, client->fd, |
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179 &input_buf, &error) < 0) { |
14691
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Changed i_close_fd() API to set the fd to -1 after closing.
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|
180 int fd = client->fd; |
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181 |
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182 i_error("%s", error); |
14691
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|
183 i_close_fd(&fd); |
10456
f0fd3bd7c122
imap, pop3: If client creation fails, update lib-master connection count.
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|
184 master_service_client_connection_destroyed(master_service); |
10136
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185 } |
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|
186 } |
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|
187 |
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|
188 static void login_client_failed(const struct master_login_client *client, |
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|
189 const char *errormsg) |
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190 { |
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|
191 const char *msg; |
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192 |
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193 msg = t_strdup_printf("-ERR [SYS/TEMP] %s\r\n", errormsg); |
11212 | 194 if (write(client->fd, msg, strlen(msg)) < 0) { |
195 /* ignored */ | |
196 } | |
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197 } |
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|
198 |
11388
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lib-master API changed to avoid accidentally leaking client connections.
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|
199 static void client_connected(struct master_service_connection *conn) |
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Initial commit for v2.0 master rewrite. Several features are still missing.
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200 { |
11661
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|
201 /* when running standalone, we shouldn't even get here */ |
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|
202 i_assert(master_login != NULL); |
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|
203 |
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|
204 master_service_client_connection_accept(conn); |
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|
205 master_login_add(master_login, conn->fd); |
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206 } |
6324a79d3ee1
Initial commit for v2.0 master rewrite. Several features are still missing.
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207 |
10120
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Moved process title init to lib-master. With Linux-hack enabled it now preserves command args.
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|
208 int main(int argc, char *argv[]) |
1043
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209 { |
10130
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|
210 static const struct setting_parser_info *set_roots[] = { |
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|
211 &pop3_setting_parser_info, |
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212 NULL |
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213 }; |
13964
9015f0b8fa4d
imap, pop3: Added -t parameter to specify post-login script timeout.
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|
214 struct master_login_settings login_set; |
10101
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|
215 enum master_service_flags service_flags = 0; |
19601
6cc236e74455
imap, pop3, lmtp: Enable MAIL_STORAGE_SERVICE_FLAG_AUTOEXPUNGE
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changeset
|
216 enum mail_storage_service_flags storage_service_flags = |
6cc236e74455
imap, pop3, lmtp: Enable MAIL_STORAGE_SERVICE_FLAG_AUTOEXPUNGE
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|
217 MAIL_STORAGE_SERVICE_FLAG_AUTOEXPUNGE; |
13964
9015f0b8fa4d
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|
218 const char *username = NULL; |
10985
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|
219 int c; |
9002
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Initial commit for config rewrite.
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diff
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220 |
13964
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|
221 memset(&login_set, 0, sizeof(login_set)); |
9015f0b8fa4d
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|
222 login_set.postlogin_timeout_secs = MASTER_POSTLOGIN_TIMEOUT_DEFAULT; |
9015f0b8fa4d
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223 |
2873
72f28a4b964d
Make sure imap or pop3 processes cannot be started from inetd.
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2719
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|
224 if (IS_STANDALONE() && getuid() == 0 && |
72f28a4b964d
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|
225 net_getpeername(1, NULL, NULL) == 0) { |
15785
7e292b8352d9
pop3: Use RFC 3206 [SYS/*] and [AUTH] response codes.
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|
226 printf("-ERR [SYS/PERM] pop3 binary must not be started from " |
2873
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|
227 "inetd, use pop3-login instead.\n"); |
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228 return 1; |
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229 } |
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230 |
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231 if (IS_STANDALONE()) { |
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232 service_flags |= MASTER_SERVICE_FLAG_STANDALONE | |
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233 MASTER_SERVICE_FLAG_STD_CLIENT; |
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234 } else { |
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235 service_flags |= MASTER_SERVICE_FLAG_KEEP_CONFIG_OPEN; |
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236 storage_service_flags |= |
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237 MAIL_STORAGE_SERVICE_FLAG_DISALLOW_ROOT; |
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238 } |
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239 |
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240 master_service = master_service_init("pop3", service_flags, |
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241 &argc, &argv, "t:u:"); |
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242 while ((c = master_getopt(master_service)) > 0) { |
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243 switch (c) { |
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244 case 't': |
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245 if (str_to_uint(optarg, &login_set.postlogin_timeout_secs) < 0 || |
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246 login_set.postlogin_timeout_secs == 0) |
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247 i_fatal("Invalid -t parameter: %s", optarg); |
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248 break; |
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249 case 'u': |
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250 storage_service_flags |= |
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251 MAIL_STORAGE_SERVICE_FLAG_USERDB_LOOKUP; |
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252 username = optarg; |
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253 break; |
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254 default: |
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255 return FATAL_DEFAULT; |
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256 } |
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257 } |
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258 |
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259 login_set.auth_socket_path = t_abspath("auth-master"); |
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260 if (argv[optind] != NULL) |
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261 login_set.postlogin_socket_path = t_abspath(argv[optind]); |
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262 login_set.callback = login_client_connected; |
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263 login_set.failure_callback = login_client_failed; |
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imap, pop3: Added back ability to run post-login scripts.
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264 |
10171
7f0ccd367351
Handle shutdown_clients globally for all services.
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265 master_service_set_die_callback(master_service, pop3_die); |
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bf448752f6c4
Pass remote/local IPs to mail_users. Standalone mail programs now log with mail_log_prefix.
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266 |
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267 storage_service = |
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268 mail_storage_service_init(master_service, |
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269 set_roots, storage_service_flags); |
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754d244b8249
Call master_service_init_finish() only after all of the initialization is done.
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270 master_service_init_finish(master_service); |
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271 |
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ff200b8e4929
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272 /* fake that we're running, so we know if client was destroyed |
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273 while handling its initial input */ |
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274 io_loop_set_running(current_ioloop); |
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275 |
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276 if (IS_STANDALONE()) { |
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277 T_BEGIN { |
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278 main_stdio_run(username); |
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279 } T_END; |
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280 } else { |
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281 master_login = master_login_init(master_service, &login_set); |
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282 io_loop_set_running(current_ioloop); |
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283 } |
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284 |
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285 if (io_loop_is_running(current_ioloop)) |
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286 master_service_run(master_service, client_connected); |
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287 clients_destroy_all(storage_service); |
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288 |
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289 if (master_login != NULL) |
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290 master_login_deinit(&master_login); |
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291 mail_storage_service_deinit(&storage_service); |
9348
0c587f108916
lib-master has now a global master_service variable that all binaries use.
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292 master_service_deinit(&master_service); |
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293 return 0; |
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294 } |