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290
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_event.h>
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10 #include <ngx_mail.h>
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11
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12
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13 static void *ngx_mail_core_create_main_conf(ngx_conf_t *cf);
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14 static void *ngx_mail_core_create_srv_conf(ngx_conf_t *cf);
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15 static char *ngx_mail_core_merge_srv_conf(ngx_conf_t *cf, void *parent,
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16 void *child);
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17 static char *ngx_mail_core_server(ngx_conf_t *cf, ngx_command_t *cmd,
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18 void *conf);
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19 static char *ngx_mail_core_listen(ngx_conf_t *cf, ngx_command_t *cmd,
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20 void *conf);
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21 static char *ngx_mail_core_capability(ngx_conf_t *cf, ngx_command_t *cmd,
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22 void *conf);
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23
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24
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25 static ngx_conf_enum_t ngx_mail_core_procotol[] = {
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26 { ngx_string("pop3"), NGX_MAIL_POP3_PROTOCOL },
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27 { ngx_string("imap"), NGX_MAIL_IMAP_PROTOCOL },
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28 { ngx_string("smtp"), NGX_MAIL_SMTP_PROTOCOL },
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29 { ngx_null_string, 0 }
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30 };
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31
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32
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33 static ngx_str_t ngx_pop3_default_capabilities[] = {
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34 ngx_string("TOP"),
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35 ngx_string("USER"),
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36 ngx_string("UIDL"),
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37 ngx_null_string
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38 };
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39
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40
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41 static ngx_str_t ngx_imap_default_capabilities[] = {
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42 ngx_string("IMAP4"),
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43 ngx_string("IMAP4rev1"),
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44 ngx_string("UIDPLUS"),
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45 ngx_null_string
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46 };
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47
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48
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49 static ngx_conf_bitmask_t ngx_pop3_auth_methods[] = {
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50 { ngx_string("plain"), NGX_MAIL_AUTH_PLAIN_ENABLED },
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51 { ngx_string("apop"), NGX_MAIL_AUTH_APOP_ENABLED },
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52 { ngx_string("cram-md5"), NGX_MAIL_AUTH_CRAM_MD5_ENABLED },
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53 { ngx_null_string, 0 }
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54 };
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55
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56
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322
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57 static ngx_conf_bitmask_t ngx_imap_auth_methods[] = {
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58 { ngx_string("plain"), NGX_MAIL_AUTH_PLAIN_ENABLED },
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59 { ngx_string("login"), NGX_MAIL_AUTH_LOGIN_ENABLED },
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60 { ngx_string("cram-md5"), NGX_MAIL_AUTH_CRAM_MD5_ENABLED },
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61 { ngx_null_string, 0 }
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62 };
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63
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64
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290
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65 static ngx_conf_bitmask_t ngx_smtp_auth_methods[] = {
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66 { ngx_string("plain"), NGX_MAIL_AUTH_PLAIN_ENABLED },
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67 { ngx_string("login"), NGX_MAIL_AUTH_LOGIN_ENABLED },
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68 { ngx_string("cram-md5"), NGX_MAIL_AUTH_CRAM_MD5_ENABLED },
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69 { ngx_null_string, 0 }
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70 };
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71
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72
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322
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73 static ngx_str_t ngx_imap_auth_methods_names[] = {
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74 ngx_string("AUTH=PLAIN"),
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75 ngx_string("AUTH=LOGIN"),
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76 ngx_null_string, /* APOP */
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77 ngx_string("AUTH=CRAM-MD5")
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78 };
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79
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80
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290
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81 static ngx_str_t ngx_smtp_auth_methods_names[] = {
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296
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82 ngx_string("PLAIN"),
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290
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83 ngx_string("LOGIN"),
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84 ngx_null_string, /* APOP */
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85 ngx_string("CRAM-MD5")
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86 };
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87
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88
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89 static ngx_str_t ngx_pop3_auth_plain_capability =
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90 ngx_string("+OK methods supported:" CRLF
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91 "LOGIN" CRLF
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92 "PLAIN" CRLF
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93 "." CRLF);
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94
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95
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96 static ngx_str_t ngx_pop3_auth_cram_md5_capability =
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97 ngx_string("+OK methods supported:" CRLF
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98 "LOGIN" CRLF
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99 "PLAIN" CRLF
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100 "CRAM-MD5" CRLF
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101 "." CRLF);
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102
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103
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104
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105 static ngx_command_t ngx_mail_core_commands[] = {
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106
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107 { ngx_string("server"),
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108 NGX_MAIL_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
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109 ngx_mail_core_server,
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110 0,
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111 0,
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112 NULL },
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113
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114 { ngx_string("listen"),
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115 NGX_MAIL_SRV_CONF|NGX_CONF_TAKE12,
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116 ngx_mail_core_listen,
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117 0,
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118 0,
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119 NULL },
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120
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121 { ngx_string("protocol"),
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122 NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1,
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123 ngx_conf_set_enum_slot,
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124 NGX_MAIL_SRV_CONF_OFFSET,
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125 offsetof(ngx_mail_core_srv_conf_t, protocol),
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126 &ngx_mail_core_procotol },
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127
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128 { ngx_string("imap_client_buffer"),
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129 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1,
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130 ngx_conf_set_size_slot,
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131 NGX_MAIL_SRV_CONF_OFFSET,
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132 offsetof(ngx_mail_core_srv_conf_t, imap_client_buffer_size),
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133 NULL },
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134
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135 { ngx_string("so_keepalive"),
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136 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_FLAG,
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137 ngx_conf_set_flag_slot,
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138 NGX_MAIL_SRV_CONF_OFFSET,
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139 offsetof(ngx_mail_core_srv_conf_t, so_keepalive),
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140 NULL },
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141
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142 { ngx_string("timeout"),
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143 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1,
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144 ngx_conf_set_msec_slot,
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145 NGX_MAIL_SRV_CONF_OFFSET,
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146 offsetof(ngx_mail_core_srv_conf_t, timeout),
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147 NULL },
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148
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149 { ngx_string("pop3_capabilities"),
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150 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_1MORE,
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151 ngx_mail_core_capability,
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152 NGX_MAIL_SRV_CONF_OFFSET,
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153 offsetof(ngx_mail_core_srv_conf_t, pop3_capabilities),
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154 NULL },
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155
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156 { ngx_string("imap_capabilities"),
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157 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_1MORE,
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158 ngx_mail_core_capability,
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159 NGX_MAIL_SRV_CONF_OFFSET,
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160 offsetof(ngx_mail_core_srv_conf_t, imap_capabilities),
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161 NULL },
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162
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163 { ngx_string("smtp_capabilities"),
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164 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_1MORE,
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165 ngx_mail_core_capability,
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166 NGX_MAIL_SRV_CONF_OFFSET,
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167 offsetof(ngx_mail_core_srv_conf_t, smtp_capabilities),
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168 NULL },
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169
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170 { ngx_string("server_name"),
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171 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1,
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172 ngx_conf_set_str_slot,
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173 NGX_MAIL_SRV_CONF_OFFSET,
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174 offsetof(ngx_mail_core_srv_conf_t, server_name),
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175 NULL },
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176
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177 { ngx_string("auth"),
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178 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_1MORE,
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179 ngx_conf_set_bitmask_slot,
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180 NGX_MAIL_SRV_CONF_OFFSET,
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181 offsetof(ngx_mail_core_srv_conf_t, pop3_auth_methods),
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182 &ngx_pop3_auth_methods },
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183
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184 { ngx_string("pop3_auth"),
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185 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_1MORE,
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186 ngx_conf_set_bitmask_slot,
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187 NGX_MAIL_SRV_CONF_OFFSET,
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188 offsetof(ngx_mail_core_srv_conf_t, pop3_auth_methods),
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189 &ngx_pop3_auth_methods },
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190
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322
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191 { ngx_string("imap_auth"),
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192 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_1MORE,
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193 ngx_conf_set_bitmask_slot,
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194 NGX_MAIL_SRV_CONF_OFFSET,
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195 offsetof(ngx_mail_core_srv_conf_t, imap_auth_methods),
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196 &ngx_imap_auth_methods },
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197
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290
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198 { ngx_string("smtp_auth"),
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199 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_1MORE,
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200 ngx_conf_set_bitmask_slot,
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201 NGX_MAIL_SRV_CONF_OFFSET,
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202 offsetof(ngx_mail_core_srv_conf_t, smtp_auth_methods),
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203 &ngx_smtp_auth_methods },
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204
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205 ngx_null_command
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206 };
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207
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208
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209 static ngx_mail_module_t ngx_mail_core_module_ctx = {
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210 ngx_mail_core_create_main_conf, /* create main configuration */
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211 NULL, /* init main configuration */
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212
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213 ngx_mail_core_create_srv_conf, /* create server configuration */
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214 ngx_mail_core_merge_srv_conf /* merge server configuration */
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215 };
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216
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217
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218 ngx_module_t ngx_mail_core_module = {
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219 NGX_MODULE_V1,
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220 &ngx_mail_core_module_ctx, /* module context */
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221 ngx_mail_core_commands, /* module directives */
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222 NGX_MAIL_MODULE, /* module type */
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223 NULL, /* init master */
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224 NULL, /* init module */
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225 NULL, /* init process */
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226 NULL, /* init thread */
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227 NULL, /* exit thread */
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228 NULL, /* exit process */
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229 NULL, /* exit master */
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230 NGX_MODULE_V1_PADDING
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231 };
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232
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233
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234 static void *
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235 ngx_mail_core_create_main_conf(ngx_conf_t *cf)
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236 {
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237 ngx_mail_core_main_conf_t *cmcf;
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238
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239 cmcf = ngx_pcalloc(cf->pool, sizeof(ngx_mail_core_main_conf_t));
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240 if (cmcf == NULL) {
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241 return NGX_CONF_ERROR;
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242 }
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243
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244 if (ngx_array_init(&cmcf->servers, cf->pool, 4,
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245 sizeof(ngx_mail_core_srv_conf_t *))
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246 != NGX_OK)
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247 {
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248 return NGX_CONF_ERROR;
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249 }
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250
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251 if (ngx_array_init(&cmcf->listen, cf->pool, 4, sizeof(ngx_mail_listen_t))
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252 != NGX_OK)
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253 {
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254 return NGX_CONF_ERROR;
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255 }
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256
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257 return cmcf;
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258 }
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259
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260
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261 static void *
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262 ngx_mail_core_create_srv_conf(ngx_conf_t *cf)
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263 {
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264 ngx_mail_core_srv_conf_t *cscf;
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265
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266 cscf = ngx_pcalloc(cf->pool, sizeof(ngx_mail_core_srv_conf_t));
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267 if (cscf == NULL) {
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268 return NULL;
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269 }
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270
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271 cscf->imap_client_buffer_size = NGX_CONF_UNSET_SIZE;
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272 cscf->protocol = NGX_CONF_UNSET_UINT;
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273 cscf->timeout = NGX_CONF_UNSET_MSEC;
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274 cscf->so_keepalive = NGX_CONF_UNSET;
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275
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276 if (ngx_array_init(&cscf->pop3_capabilities, cf->pool, 4, sizeof(ngx_str_t))
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277 != NGX_OK)
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278 {
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279 return NULL;
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280 }
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281
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282 if (ngx_array_init(&cscf->imap_capabilities, cf->pool, 4, sizeof(ngx_str_t))
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283 != NGX_OK)
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284 {
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285 return NULL;
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286 }
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287
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288 if (ngx_array_init(&cscf->smtp_capabilities, cf->pool, 4, sizeof(ngx_str_t))
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289 != NGX_OK)
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290 {
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291 return NULL;
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292 }
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293
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294 return cscf;
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295 }
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296
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297
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298 static char *
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299 ngx_mail_core_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child)
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300 {
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301 ngx_mail_core_srv_conf_t *prev = parent;
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302 ngx_mail_core_srv_conf_t *conf = child;
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303
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322
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304 u_char *p, *auth;
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290
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305 size_t size, stls_only_size;
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306 ngx_str_t *c, *d;
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307 ngx_uint_t i, m;
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308
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309 ngx_conf_merge_size_value(conf->imap_client_buffer_size,
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310 prev->imap_client_buffer_size,
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311 (size_t) ngx_pagesize);
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312 ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 60000);
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313 ngx_conf_merge_uint_value(conf->protocol, prev->protocol,
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314 NGX_MAIL_IMAP_PROTOCOL);
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315 ngx_conf_merge_value(conf->so_keepalive, prev->so_keepalive, 0);
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316
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317
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318 ngx_conf_merge_bitmask_value(conf->pop3_auth_methods,
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319 prev->pop3_auth_methods,
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320 (NGX_CONF_BITMASK_SET
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321 |NGX_MAIL_AUTH_PLAIN_ENABLED));
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322
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322
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323 ngx_conf_merge_bitmask_value(conf->imap_auth_methods,
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324 prev->imap_auth_methods,
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325 (NGX_CONF_BITMASK_SET
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326 |NGX_MAIL_AUTH_PLAIN_ENABLED));
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327
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290
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328 ngx_conf_merge_bitmask_value(conf->smtp_auth_methods,
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329 prev->smtp_auth_methods,
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330 (NGX_CONF_BITMASK_SET
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331 |NGX_MAIL_AUTH_PLAIN_ENABLED
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332 |NGX_MAIL_AUTH_LOGIN_ENABLED));
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333
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334
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335 ngx_conf_merge_str_value(conf->server_name, prev->server_name, "");
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336
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337 if (conf->server_name.len == 0) {
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338 conf->server_name.data = ngx_palloc(cf->pool, NGX_MAXHOSTNAMELEN);
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339 if (conf->server_name.data == NULL) {
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340 return NGX_CONF_ERROR;
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341 }
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342
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343 if (gethostname((char *) conf->server_name.data, NGX_MAXHOSTNAMELEN)
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344 == -1)
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345 {
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346 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
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347 "gethostname() failed");
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348 return NGX_CONF_ERROR;
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349 }
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350
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351 conf->server_name.len = ngx_strlen(conf->server_name.data);
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352 }
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353
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354
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355 if (conf->pop3_capabilities.nelts == 0) {
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356 conf->pop3_capabilities = prev->pop3_capabilities;
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357 }
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358
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359 if (conf->pop3_capabilities.nelts == 0) {
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360
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361 for (d = ngx_pop3_default_capabilities; d->len; d++) {
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362 c = ngx_array_push(&conf->pop3_capabilities);
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363 if (c == NULL) {
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364 return NGX_CONF_ERROR;
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365 }
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366
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367 *c = *d;
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368 }
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369 }
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370
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371 size = sizeof("+OK Capability list follows" CRLF) - 1
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372 + sizeof("." CRLF) - 1;
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373
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|
374 stls_only_size = size + sizeof("STLS" CRLF) - 1;
|
|
|
375
|
|
|
376 c = conf->pop3_capabilities.elts;
|
|
|
377 for (i = 0; i < conf->pop3_capabilities.nelts; i++) {
|
|
|
378 size += c[i].len + sizeof(CRLF) - 1;
|
|
|
379
|
|
|
380 if (ngx_strcasecmp(c[i].data, (u_char *) "USER") == 0) {
|
|
|
381 continue;
|
|
|
382 }
|
|
|
383
|
|
|
384 stls_only_size += c[i].len + sizeof(CRLF) - 1;
|
|
|
385 }
|
|
|
386
|
|
|
387 if (conf->pop3_auth_methods & NGX_MAIL_AUTH_CRAM_MD5_ENABLED) {
|
|
|
388 size += sizeof("SASL LOGIN PLAIN CRAM-MD5" CRLF) - 1;
|
|
|
389
|
|
|
390 } else {
|
|
|
391 size += sizeof("SASL LOGIN PLAIN" CRLF) - 1;
|
|
|
392 }
|
|
|
393
|
|
|
394 p = ngx_palloc(cf->pool, size);
|
|
|
395 if (p == NULL) {
|
|
|
396 return NGX_CONF_ERROR;
|
|
|
397 }
|
|
|
398
|
|
|
399 conf->pop3_capability.len = size;
|
|
|
400 conf->pop3_capability.data = p;
|
|
|
401
|
|
|
402 p = ngx_cpymem(p, "+OK Capability list follows" CRLF,
|
|
|
403 sizeof("+OK Capability list follows" CRLF) - 1);
|
|
|
404
|
|
|
405 for (i = 0; i < conf->pop3_capabilities.nelts; i++) {
|
|
|
406 p = ngx_cpymem(p, c[i].data, c[i].len);
|
|
|
407 *p++ = CR; *p++ = LF;
|
|
|
408 }
|
|
|
409
|
|
|
410 if (conf->pop3_auth_methods & NGX_MAIL_AUTH_CRAM_MD5_ENABLED) {
|
|
|
411 p = ngx_cpymem(p, "SASL LOGIN PLAIN CRAM-MD5" CRLF,
|
|
|
412 sizeof("SASL LOGIN PLAIN CRAM-MD5" CRLF) - 1);
|
|
|
413
|
|
|
414 } else {
|
|
|
415 p = ngx_cpymem(p, "SASL LOGIN PLAIN" CRLF,
|
|
|
416 sizeof("SASL LOGIN PLAIN" CRLF) - 1);
|
|
|
417 }
|
|
|
418
|
|
|
419 *p++ = '.'; *p++ = CR; *p = LF;
|
|
|
420
|
|
|
421
|
|
|
422 size += sizeof("STLS" CRLF) - 1;
|
|
|
423
|
|
|
424 p = ngx_palloc(cf->pool, size);
|
|
|
425 if (p == NULL) {
|
|
|
426 return NGX_CONF_ERROR;
|
|
|
427 }
|
|
|
428
|
|
|
429 conf->pop3_starttls_capability.len = size;
|
|
|
430 conf->pop3_starttls_capability.data = p;
|
|
|
431
|
|
|
432 p = ngx_cpymem(p, conf->pop3_capability.data,
|
|
|
433 conf->pop3_capability.len - (sizeof("." CRLF) - 1));
|
|
|
434
|
|
|
435 p = ngx_cpymem(p, "STLS" CRLF, sizeof("STLS" CRLF) - 1);
|
|
|
436 *p++ = '.'; *p++ = CR; *p = LF;
|
|
|
437
|
|
|
438
|
|
|
439 if (conf->pop3_auth_methods & NGX_MAIL_AUTH_CRAM_MD5_ENABLED) {
|
|
|
440 conf->pop3_auth_capability = ngx_pop3_auth_cram_md5_capability;
|
|
|
441
|
|
|
442 } else {
|
|
|
443 conf->pop3_auth_capability = ngx_pop3_auth_plain_capability;
|
|
|
444 }
|
|
|
445
|
|
|
446
|
|
|
447 p = ngx_palloc(cf->pool, stls_only_size);
|
|
|
448 if (p == NULL) {
|
|
|
449 return NGX_CONF_ERROR;
|
|
|
450 }
|
|
|
451
|
|
|
452 conf->pop3_starttls_only_capability.len = stls_only_size;
|
|
|
453 conf->pop3_starttls_only_capability.data = p;
|
|
|
454
|
|
|
455 p = ngx_cpymem(p, "+OK Capability list follows" CRLF,
|
|
|
456 sizeof("+OK Capability list follows" CRLF) - 1);
|
|
|
457
|
|
|
458 for (i = 0; i < conf->pop3_capabilities.nelts; i++) {
|
|
|
459 if (ngx_strcasecmp(c[i].data, (u_char *) "USER") == 0) {
|
|
|
460 continue;
|
|
|
461 }
|
|
|
462
|
|
|
463 p = ngx_cpymem(p, c[i].data, c[i].len);
|
|
|
464 *p++ = CR; *p++ = LF;
|
|
|
465 }
|
|
|
466
|
|
|
467 p = ngx_cpymem(p, "STLS" CRLF, sizeof("STLS" CRLF) - 1);
|
|
|
468 *p++ = '.'; *p++ = CR; *p = LF;
|
|
|
469
|
|
|
470
|
|
|
471 if (conf->imap_capabilities.nelts == 0) {
|
|
|
472 conf->imap_capabilities = prev->imap_capabilities;
|
|
|
473 }
|
|
|
474
|
|
|
475 if (conf->imap_capabilities.nelts == 0) {
|
|
|
476
|
|
|
477 for (d = ngx_imap_default_capabilities; d->len; d++) {
|
|
|
478 c = ngx_array_push(&conf->imap_capabilities);
|
|
|
479 if (c == NULL) {
|
|
|
480 return NGX_CONF_ERROR;
|
|
|
481 }
|
|
|
482
|
|
|
483 *c = *d;
|
|
|
484 }
|
|
|
485 }
|
|
|
486
|
|
|
487 size = sizeof("* CAPABILITY" CRLF) - 1;
|
|
|
488
|
|
|
489 c = conf->imap_capabilities.elts;
|
|
|
490 for (i = 0; i < conf->imap_capabilities.nelts; i++) {
|
|
|
491 size += 1 + c[i].len;
|
|
|
492 }
|
|
|
493
|
|
322
|
494 for (m = NGX_MAIL_AUTH_PLAIN_ENABLED, i = 0;
|
|
|
495 m <= NGX_MAIL_AUTH_CRAM_MD5_ENABLED;
|
|
|
496 m <<= 1, i++)
|
|
|
497 {
|
|
|
498 if (m & conf->imap_auth_methods) {
|
|
|
499 size += 1 + ngx_imap_auth_methods_names[i].len;
|
|
|
500 }
|
|
|
501 }
|
|
|
502
|
|
290
|
503 p = ngx_palloc(cf->pool, size);
|
|
|
504 if (p == NULL) {
|
|
|
505 return NGX_CONF_ERROR;
|
|
|
506 }
|
|
|
507
|
|
|
508 conf->imap_capability.len = size;
|
|
|
509 conf->imap_capability.data = p;
|
|
|
510
|
|
|
511 p = ngx_cpymem(p, "* CAPABILITY", sizeof("* CAPABILITY") - 1);
|
|
|
512
|
|
|
513 for (i = 0; i < conf->imap_capabilities.nelts; i++) {
|
|
|
514 *p++ = ' ';
|
|
|
515 p = ngx_cpymem(p, c[i].data, c[i].len);
|
|
|
516 }
|
|
|
517
|
|
322
|
518 auth = p;
|
|
|
519
|
|
|
520 for (m = NGX_MAIL_AUTH_PLAIN_ENABLED, i = 0;
|
|
|
521 m <= NGX_MAIL_AUTH_CRAM_MD5_ENABLED;
|
|
|
522 m <<= 1, i++)
|
|
|
523 {
|
|
|
524 if (m & conf->imap_auth_methods) {
|
|
|
525 *p++ = ' ';
|
|
|
526 p = ngx_cpymem(p, ngx_imap_auth_methods_names[i].data,
|
|
|
527 ngx_imap_auth_methods_names[i].len);
|
|
|
528 }
|
|
|
529 }
|
|
|
530
|
|
290
|
531 *p++ = CR; *p = LF;
|
|
|
532
|
|
|
533
|
|
|
534 size += sizeof(" STARTTLS") - 1;
|
|
|
535
|
|
|
536 p = ngx_palloc(cf->pool, size);
|
|
|
537 if (p == NULL) {
|
|
|
538 return NGX_CONF_ERROR;
|
|
|
539 }
|
|
|
540
|
|
|
541 conf->imap_starttls_capability.len = size;
|
|
|
542 conf->imap_starttls_capability.data = p;
|
|
|
543
|
|
|
544 p = ngx_cpymem(p, conf->imap_capability.data,
|
|
|
545 conf->imap_capability.len - (sizeof(CRLF) - 1));
|
|
|
546 p = ngx_cpymem(p, " STARTTLS", sizeof(" STARTTLS") - 1);
|
|
|
547 *p++ = CR; *p = LF;
|
|
|
548
|
|
|
549
|
|
322
|
550 size = (auth - conf->imap_capability.data) + sizeof(CRLF) - 1
|
|
|
551 + sizeof(" STARTTLS LOGINDISABLED") - 1;
|
|
290
|
552
|
|
|
553 p = ngx_palloc(cf->pool, size);
|
|
|
554 if (p == NULL) {
|
|
|
555 return NGX_CONF_ERROR;
|
|
|
556 }
|
|
|
557
|
|
|
558 conf->imap_starttls_only_capability.len = size;
|
|
|
559 conf->imap_starttls_only_capability.data = p;
|
|
|
560
|
|
322
|
561 p = ngx_cpymem(p, conf->imap_capability.data,
|
|
|
562 auth - conf->imap_capability.data);
|
|
|
563 p = ngx_cpymem(p, " STARTTLS LOGINDISABLED",
|
|
|
564 sizeof(" STARTTLS LOGINDISABLED") - 1);
|
|
290
|
565 *p++ = CR; *p = LF;
|
|
|
566
|
|
|
567
|
|
|
568 size = sizeof("220 ESMTP ready" CRLF) - 1 + conf->server_name.len;
|
|
|
569
|
|
|
570 p = ngx_palloc(cf->pool, size);
|
|
|
571 if (p == NULL) {
|
|
|
572 return NGX_CONF_ERROR;
|
|
|
573 }
|
|
|
574
|
|
|
575 conf->smtp_greeting.len = size;
|
|
|
576 conf->smtp_greeting.data = p;
|
|
|
577
|
|
|
578 *p++ = '2'; *p++ = '2'; *p++ = '0'; *p++ = ' ';
|
|
|
579 p = ngx_cpymem(p, conf->server_name.data, conf->server_name.len);
|
|
|
580 ngx_memcpy(p, " ESMTP ready" CRLF, sizeof(" ESMTP ready" CRLF) - 1);
|
|
|
581
|
|
|
582
|
|
|
583 size = sizeof("250 " CRLF) - 1 + conf->server_name.len;
|
|
|
584
|
|
|
585 p = ngx_palloc(cf->pool, size);
|
|
|
586 if (p == NULL) {
|
|
|
587 return NGX_CONF_ERROR;
|
|
|
588 }
|
|
|
589
|
|
|
590 conf->smtp_server_name.len = size;
|
|
|
591 conf->smtp_server_name.data = p;
|
|
|
592
|
|
|
593 *p++ = '2'; *p++ = '5'; *p++ = '0'; *p++ = ' ';
|
|
|
594 p = ngx_cpymem(p, conf->server_name.data, conf->server_name.len);
|
|
|
595 *p++ = CR; *p = LF;
|
|
|
596
|
|
|
597
|
|
|
598 if (conf->smtp_capabilities.nelts == 0) {
|
|
|
599 conf->smtp_capabilities = prev->smtp_capabilities;
|
|
|
600 }
|
|
|
601
|
|
|
602 size = sizeof("250-") - 1 + conf->server_name.len + sizeof(CRLF) - 1
|
|
|
603 + sizeof("250 AUTH") - 1 + sizeof(CRLF) - 1;
|
|
|
604
|
|
|
605 c = conf->smtp_capabilities.elts;
|
|
|
606 for (i = 0; i < conf->smtp_capabilities.nelts; i++) {
|
|
|
607 size += sizeof("250 ") - 1 + c[i].len + sizeof(CRLF) - 1;
|
|
|
608 }
|
|
|
609
|
|
|
610 for (m = NGX_MAIL_AUTH_PLAIN_ENABLED, i = 0;
|
|
|
611 m <= NGX_MAIL_AUTH_CRAM_MD5_ENABLED;
|
|
|
612 m <<= 1, i++)
|
|
|
613 {
|
|
|
614 if (m & conf->smtp_auth_methods) {
|
|
|
615 size += 1 + ngx_smtp_auth_methods_names[i].len;
|
|
|
616 }
|
|
|
617 }
|
|
|
618
|
|
|
619 p = ngx_palloc(cf->pool, size);
|
|
|
620 if (p == NULL) {
|
|
|
621 return NGX_CONF_ERROR;
|
|
|
622 }
|
|
|
623
|
|
|
624 conf->smtp_capability.len = size;
|
|
|
625 conf->smtp_capability.data = p;
|
|
|
626
|
|
|
627 *p++ = '2'; *p++ = '5'; *p++ = '0'; *p++ = '-';
|
|
|
628 p = ngx_cpymem(p, conf->server_name.data, conf->server_name.len);
|
|
|
629 *p++ = CR; *p++ = LF;
|
|
|
630
|
|
|
631 for (i = 0; i < conf->smtp_capabilities.nelts; i++) {
|
|
|
632 *p++ = '2'; *p++ = '5'; *p++ = '0'; *p++ = '-';
|
|
|
633 p = ngx_cpymem(p, c[i].data, c[i].len);
|
|
|
634 *p++ = CR; *p++ = LF;
|
|
|
635 }
|
|
|
636
|
|
322
|
637 auth = p;
|
|
|
638
|
|
290
|
639 *p++ = '2'; *p++ = '5'; *p++ = '0'; *p++ = ' ';
|
|
|
640 *p++ = 'A'; *p++ = 'U'; *p++ = 'T'; *p++ = 'H';
|
|
|
641
|
|
|
642 for (m = NGX_MAIL_AUTH_PLAIN_ENABLED, i = 0;
|
|
|
643 m <= NGX_MAIL_AUTH_CRAM_MD5_ENABLED;
|
|
|
644 m <<= 1, i++)
|
|
|
645 {
|
|
|
646 if (m & conf->smtp_auth_methods) {
|
|
|
647 *p++ = ' ';
|
|
|
648 p = ngx_cpymem(p, ngx_smtp_auth_methods_names[i].data,
|
|
|
649 ngx_smtp_auth_methods_names[i].len);
|
|
|
650 }
|
|
|
651 }
|
|
|
652
|
|
|
653 *p++ = CR; *p = LF;
|
|
|
654
|
|
322
|
655 size += sizeof("250 STARTTLS" CRLF) - 1;
|
|
|
656
|
|
|
657 p = ngx_palloc(cf->pool, size);
|
|
|
658 if (p == NULL) {
|
|
|
659 return NGX_CONF_ERROR;
|
|
|
660 }
|
|
|
661
|
|
|
662 conf->smtp_starttls_capability.len = size;
|
|
|
663 conf->smtp_starttls_capability.data = p;
|
|
|
664
|
|
|
665 p = ngx_cpymem(p, conf->smtp_capability.data,
|
|
|
666 conf->smtp_capability.len);
|
|
|
667
|
|
|
668 p = ngx_cpymem(p, "250 STARTTLS" CRLF, sizeof("250 STARTTLS" CRLF) - 1);
|
|
|
669 *p++ = CR; *p = LF;
|
|
|
670
|
|
|
671 p = conf->smtp_starttls_capability.data
|
|
|
672 + (auth - conf->smtp_capability.data) + 3;
|
|
|
673 *p = '-';
|
|
|
674
|
|
|
675 size = (auth - conf->smtp_capability.data)
|
|
|
676 + sizeof("250 STARTTLS" CRLF) - 1;
|
|
|
677
|
|
|
678 p = ngx_palloc(cf->pool, size);
|
|
|
679 if (p == NULL) {
|
|
|
680 return NGX_CONF_ERROR;
|
|
|
681 }
|
|
|
682
|
|
|
683 conf->smtp_starttls_only_capability.len = size;
|
|
|
684 conf->smtp_starttls_only_capability.data = p;
|
|
|
685
|
|
|
686 p = ngx_cpymem(p, conf->smtp_capability.data,
|
|
|
687 auth - conf->smtp_capability.data);
|
|
|
688
|
|
|
689 ngx_memcpy(p, "250 STARTTLS" CRLF, sizeof("250 STARTTLS" CRLF) - 1);
|
|
|
690
|
|
290
|
691 return NGX_CONF_OK;
|
|
|
692 }
|
|
|
693
|
|
|
694
|
|
|
695 static char *
|
|
|
696 ngx_mail_core_server(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
697 {
|
|
|
698 char *rv;
|
|
|
699 void *mconf;
|
|
|
700 ngx_uint_t m;
|
|
|
701 ngx_conf_t pcf;
|
|
|
702 ngx_mail_module_t *module;
|
|
|
703 ngx_mail_conf_ctx_t *ctx, *mail_ctx;
|
|
|
704 ngx_mail_core_srv_conf_t *cscf, **cscfp;
|
|
|
705 ngx_mail_core_main_conf_t *cmcf;
|
|
|
706
|
|
|
707
|
|
|
708 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_mail_conf_ctx_t));
|
|
|
709 if (ctx == NULL) {
|
|
|
710 return NGX_CONF_ERROR;
|
|
|
711 }
|
|
|
712
|
|
|
713 mail_ctx = cf->ctx;
|
|
|
714 ctx->main_conf = mail_ctx->main_conf;
|
|
|
715
|
|
|
716 /* the server{}'s srv_conf */
|
|
|
717
|
|
|
718 ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_mail_max_module);
|
|
|
719 if (ctx->srv_conf == NULL) {
|
|
|
720 return NGX_CONF_ERROR;
|
|
|
721 }
|
|
|
722
|
|
|
723 for (m = 0; ngx_modules[m]; m++) {
|
|
|
724 if (ngx_modules[m]->type != NGX_MAIL_MODULE) {
|
|
|
725 continue;
|
|
|
726 }
|
|
|
727
|
|
|
728 module = ngx_modules[m]->ctx;
|
|
|
729
|
|
|
730 if (module->create_srv_conf) {
|
|
|
731 mconf = module->create_srv_conf(cf);
|
|
|
732 if (mconf == NULL) {
|
|
|
733 return NGX_CONF_ERROR;
|
|
|
734 }
|
|
|
735
|
|
|
736 ctx->srv_conf[ngx_modules[m]->ctx_index] = mconf;
|
|
|
737 }
|
|
|
738 }
|
|
|
739
|
|
|
740 /* the server configuration context */
|
|
|
741
|
|
|
742 cscf = ctx->srv_conf[ngx_mail_core_module.ctx_index];
|
|
|
743 cscf->ctx = ctx;
|
|
|
744
|
|
|
745 cmcf = ctx->main_conf[ngx_mail_core_module.ctx_index];
|
|
|
746
|
|
|
747 cscfp = ngx_array_push(&cmcf->servers);
|
|
|
748 if (cscfp == NULL) {
|
|
|
749 return NGX_CONF_ERROR;
|
|
|
750 }
|
|
|
751
|
|
|
752 *cscfp = cscf;
|
|
|
753
|
|
|
754
|
|
|
755 /* parse inside server{} */
|
|
|
756
|
|
|
757 pcf = *cf;
|
|
|
758 cf->ctx = ctx;
|
|
|
759 cf->cmd_type = NGX_MAIL_SRV_CONF;
|
|
|
760
|
|
|
761 rv = ngx_conf_parse(cf, NULL);
|
|
|
762
|
|
|
763 *cf = pcf;
|
|
|
764
|
|
|
765 return rv;
|
|
|
766 }
|
|
|
767
|
|
|
768
|
|
|
769 /* AF_INET only */
|
|
|
770
|
|
|
771 static char *
|
|
|
772 ngx_mail_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
773 {
|
|
|
774 ngx_str_t *value;
|
|
|
775 ngx_url_t u;
|
|
|
776 ngx_uint_t i;
|
|
|
777 ngx_mail_listen_t *imls;
|
|
|
778 ngx_mail_core_main_conf_t *cmcf;
|
|
|
779
|
|
|
780 value = cf->args->elts;
|
|
|
781
|
|
|
782 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
|
783
|
|
|
784 u.url = value[1];
|
|
|
785 u.listen = 1;
|
|
|
786
|
|
|
787 if (ngx_parse_url(cf, &u) != NGX_OK) {
|
|
|
788 if (u.err) {
|
|
|
789 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
790 "%s in \"%V\" of the \"listen\" directive",
|
|
|
791 u.err, &u.url);
|
|
|
792 }
|
|
|
793
|
|
|
794 return NGX_CONF_ERROR;
|
|
|
795 }
|
|
|
796
|
|
|
797 cmcf = ngx_mail_conf_get_module_main_conf(cf, ngx_mail_core_module);
|
|
|
798
|
|
|
799 imls = cmcf->listen.elts;
|
|
|
800
|
|
|
801 for (i = 0; i < cmcf->listen.nelts; i++) {
|
|
|
802
|
|
|
803 if (imls[i].addr != u.addr.in_addr || imls[i].port != u.port) {
|
|
|
804 continue;
|
|
|
805 }
|
|
|
806
|
|
|
807 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
808 "duplicate \"%V\" address and port pair", &u.url);
|
|
|
809 return NGX_CONF_ERROR;
|
|
|
810 }
|
|
|
811
|
|
|
812 imls = ngx_array_push(&cmcf->listen);
|
|
|
813 if (imls == NULL) {
|
|
|
814 return NGX_CONF_ERROR;
|
|
|
815 }
|
|
|
816
|
|
|
817 ngx_memzero(imls, sizeof(ngx_mail_listen_t));
|
|
|
818
|
|
|
819 imls->addr = u.addr.in_addr;
|
|
|
820 imls->port = u.port;
|
|
|
821 imls->family = AF_INET;
|
|
|
822 imls->ctx = cf->ctx;
|
|
|
823
|
|
|
824 if (cf->args->nelts == 2) {
|
|
|
825 return NGX_CONF_OK;
|
|
|
826 }
|
|
|
827
|
|
|
828 if (ngx_strcmp(value[2].data, "bind") == 0) {
|
|
|
829 imls->bind = 1;
|
|
|
830 return NGX_CONF_OK;
|
|
|
831 }
|
|
|
832
|
|
|
833 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
834 "the invalid \"%V\" parameter", &value[2]);
|
|
|
835 return NGX_CONF_ERROR;
|
|
|
836 }
|
|
|
837
|
|
|
838
|
|
|
839 static char *
|
|
|
840 ngx_mail_core_capability(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
841 {
|
|
|
842 char *p = conf;
|
|
|
843
|
|
|
844 ngx_str_t *c, *value;
|
|
|
845 ngx_uint_t i;
|
|
|
846 ngx_array_t *a;
|
|
|
847
|
|
|
848 a = (ngx_array_t *) (p + cmd->offset);
|
|
|
849
|
|
|
850 value = cf->args->elts;
|
|
|
851
|
|
|
852 for (i = 1; i < cf->args->nelts; i++) {
|
|
|
853 c = ngx_array_push(a);
|
|
|
854 if (c == NULL) {
|
|
|
855 return NGX_CONF_ERROR;
|
|
|
856 }
|
|
|
857
|
|
|
858 *c = value[i];
|
|
|
859 }
|
|
|
860
|
|
|
861 return NGX_CONF_OK;
|
|
|
862 }
|
