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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_event_connect.h>
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11 #include <ngx_mail.h>
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12
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13
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14 typedef struct {
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15 ngx_peer_addr_t *peer;
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16
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17 ngx_msec_t timeout;
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18
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19 ngx_str_t host_header;
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20 ngx_str_t uri;
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21 ngx_str_t header;
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22
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23 ngx_array_t *headers;
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326
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24
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25 u_char *file;
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26 ngx_uint_t line;
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290
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27 } ngx_mail_auth_http_conf_t;
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28
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29
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30 typedef struct ngx_mail_auth_http_ctx_s ngx_mail_auth_http_ctx_t;
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31
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32 typedef void (*ngx_mail_auth_http_handler_pt)(ngx_mail_session_t *s,
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33 ngx_mail_auth_http_ctx_t *ctx);
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34
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35 struct ngx_mail_auth_http_ctx_s {
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36 ngx_buf_t *request;
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37 ngx_buf_t *response;
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38 ngx_peer_connection_t peer;
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39
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40 ngx_mail_auth_http_handler_pt handler;
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41
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42 ngx_uint_t state;
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43
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44 u_char *header_name_start;
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45 u_char *header_name_end;
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46 u_char *header_start;
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47 u_char *header_end;
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48
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49 ngx_str_t addr;
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50 ngx_str_t port;
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51 ngx_str_t err;
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52 ngx_str_t errmsg;
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53 ngx_str_t errcode;
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54
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55 time_t sleep;
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56
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57 ngx_pool_t *pool;
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58 };
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59
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60
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61 static void ngx_mail_auth_http_write_handler(ngx_event_t *wev);
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62 static void ngx_mail_auth_http_read_handler(ngx_event_t *rev);
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63 static void ngx_mail_auth_http_ignore_status_line(ngx_mail_session_t *s,
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64 ngx_mail_auth_http_ctx_t *ctx);
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65 static void ngx_mail_auth_http_process_headers(ngx_mail_session_t *s,
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66 ngx_mail_auth_http_ctx_t *ctx);
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67 static void ngx_mail_auth_sleep_handler(ngx_event_t *rev);
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68 static ngx_int_t ngx_mail_auth_http_parse_header_line(ngx_mail_session_t *s,
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69 ngx_mail_auth_http_ctx_t *ctx);
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70 static void ngx_mail_auth_http_block_read(ngx_event_t *rev);
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71 static void ngx_mail_auth_http_dummy_handler(ngx_event_t *ev);
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72 static ngx_buf_t *ngx_mail_auth_http_create_request(ngx_mail_session_t *s,
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73 ngx_pool_t *pool, ngx_mail_auth_http_conf_t *ahcf);
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74 static ngx_int_t ngx_mail_auth_http_escape(ngx_pool_t *pool, ngx_str_t *text,
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75 ngx_str_t *escaped);
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76
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77 static void *ngx_mail_auth_http_create_conf(ngx_conf_t *cf);
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78 static char *ngx_mail_auth_http_merge_conf(ngx_conf_t *cf, void *parent,
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79 void *child);
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80 static char *ngx_mail_auth_http(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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81 static char *ngx_mail_auth_http_header(ngx_conf_t *cf, ngx_command_t *cmd,
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82 void *conf);
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83
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84
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85 static ngx_command_t ngx_mail_auth_http_commands[] = {
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86
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87 { ngx_string("auth_http"),
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88 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1,
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89 ngx_mail_auth_http,
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90 NGX_MAIL_SRV_CONF_OFFSET,
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91 0,
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92 NULL },
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93
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94 { ngx_string("auth_http_timeout"),
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95 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1,
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96 ngx_conf_set_msec_slot,
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97 NGX_MAIL_SRV_CONF_OFFSET,
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98 offsetof(ngx_mail_auth_http_conf_t, timeout),
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99 NULL },
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100
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101 { ngx_string("auth_http_header"),
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102 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE2,
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103 ngx_mail_auth_http_header,
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104 NGX_MAIL_SRV_CONF_OFFSET,
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105 0,
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106 NULL },
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107
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108 ngx_null_command
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109 };
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110
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111
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112 static ngx_mail_module_t ngx_mail_auth_http_module_ctx = {
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336
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113 NULL, /* protocol */
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114
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290
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115 NULL, /* create main configuration */
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116 NULL, /* init main configuration */
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117
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118 ngx_mail_auth_http_create_conf, /* create server configuration */
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119 ngx_mail_auth_http_merge_conf /* merge server configuration */
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120 };
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121
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122
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123 ngx_module_t ngx_mail_auth_http_module = {
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124 NGX_MODULE_V1,
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125 &ngx_mail_auth_http_module_ctx, /* module context */
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126 ngx_mail_auth_http_commands, /* module directives */
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127 NGX_MAIL_MODULE, /* module type */
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128 NULL, /* init master */
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129 NULL, /* init module */
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130 NULL, /* init process */
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131 NULL, /* init thread */
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132 NULL, /* exit thread */
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133 NULL, /* exit process */
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134 NULL, /* exit master */
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135 NGX_MODULE_V1_PADDING
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136 };
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137
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138
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139 static ngx_str_t ngx_mail_auth_http_method[] = {
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140 ngx_string("plain"),
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141 ngx_string("plain"),
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142 ngx_string("apop"),
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420
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143 ngx_string("cram-md5"),
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144 ngx_string("none")
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290
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145 };
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146
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147 static ngx_str_t ngx_mail_smtp_errcode = ngx_string("535 5.7.0");
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148
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336
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149
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290
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150 void
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151 ngx_mail_auth_http_init(ngx_mail_session_t *s)
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152 {
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153 ngx_int_t rc;
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154 ngx_pool_t *pool;
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155 ngx_mail_auth_http_ctx_t *ctx;
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156 ngx_mail_auth_http_conf_t *ahcf;
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157
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158 s->connection->log->action = "in http auth state";
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159
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160 pool = ngx_create_pool(2048, s->connection->log);
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161 if (pool == NULL) {
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162 ngx_mail_session_internal_server_error(s);
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163 return;
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164 }
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165
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166 ctx = ngx_pcalloc(pool, sizeof(ngx_mail_auth_http_ctx_t));
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167 if (ctx == NULL) {
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168 ngx_destroy_pool(pool);
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169 ngx_mail_session_internal_server_error(s);
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170 return;
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171 }
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172
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173 ctx->pool = pool;
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174
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175 ahcf = ngx_mail_get_module_srv_conf(s, ngx_mail_auth_http_module);
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176
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177 ctx->request = ngx_mail_auth_http_create_request(s, pool, ahcf);
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178 if (ctx->request == NULL) {
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179 ngx_destroy_pool(ctx->pool);
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180 ngx_mail_session_internal_server_error(s);
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181 return;
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182 }
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183
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184 ngx_mail_set_ctx(s, ctx, ngx_mail_auth_http_module);
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185
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186 ctx->peer.sockaddr = ahcf->peer->sockaddr;
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187 ctx->peer.socklen = ahcf->peer->socklen;
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188 ctx->peer.name = &ahcf->peer->name;
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189 ctx->peer.get = ngx_event_get_peer;
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190 ctx->peer.log = s->connection->log;
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191 ctx->peer.log_error = NGX_ERROR_ERR;
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192
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193 rc = ngx_event_connect_peer(&ctx->peer);
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194
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195 if (rc == NGX_ERROR || rc == NGX_BUSY || rc == NGX_DECLINED) {
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196 if (ctx->peer.connection) {
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197 ngx_close_connection(ctx->peer.connection);
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198 }
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199
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200 ngx_destroy_pool(ctx->pool);
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201 ngx_mail_session_internal_server_error(s);
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202 return;
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203 }
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204
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205 ctx->peer.connection->data = s;
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206 ctx->peer.connection->pool = s->connection->pool;
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207
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208 s->connection->read->handler = ngx_mail_auth_http_block_read;
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209 ctx->peer.connection->read->handler = ngx_mail_auth_http_read_handler;
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210 ctx->peer.connection->write->handler = ngx_mail_auth_http_write_handler;
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211
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212 ctx->handler = ngx_mail_auth_http_ignore_status_line;
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213
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214 ngx_add_timer(ctx->peer.connection->read, ahcf->timeout);
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215 ngx_add_timer(ctx->peer.connection->write, ahcf->timeout);
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216
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217 if (rc == NGX_OK) {
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218 ngx_mail_auth_http_write_handler(ctx->peer.connection->write);
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219 return;
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220 }
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221 }
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222
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223
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224 static void
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225 ngx_mail_auth_http_write_handler(ngx_event_t *wev)
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226 {
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227 ssize_t n, size;
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228 ngx_connection_t *c;
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229 ngx_mail_session_t *s;
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230 ngx_mail_auth_http_ctx_t *ctx;
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231 ngx_mail_auth_http_conf_t *ahcf;
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232
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233 c = wev->data;
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234 s = c->data;
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235
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236 ctx = ngx_mail_get_module_ctx(s, ngx_mail_auth_http_module);
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237
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238 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, wev->log, 0,
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239 "mail auth http write handler");
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240
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241 if (wev->timedout) {
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242 ngx_log_error(NGX_LOG_ERR, wev->log, NGX_ETIMEDOUT,
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243 "auth http server %V timed out", ctx->peer.name);
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336
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244 ngx_close_connection(c);
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290
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245 ngx_destroy_pool(ctx->pool);
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246 ngx_mail_session_internal_server_error(s);
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247 return;
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248 }
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249
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250 size = ctx->request->last - ctx->request->pos;
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251
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252 n = ngx_send(c, ctx->request->pos, size);
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253
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254 if (n == NGX_ERROR) {
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336
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255 ngx_close_connection(c);
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290
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256 ngx_destroy_pool(ctx->pool);
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257 ngx_mail_session_internal_server_error(s);
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258 return;
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259 }
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260
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261 if (n > 0) {
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262 ctx->request->pos += n;
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263
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264 if (n == size) {
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265 wev->handler = ngx_mail_auth_http_dummy_handler;
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266
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267 if (wev->timer_set) {
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268 ngx_del_timer(wev);
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269 }
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270
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271 if (ngx_handle_write_event(wev, 0) == NGX_ERROR) {
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336
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272 ngx_close_connection(c);
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290
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273 ngx_destroy_pool(ctx->pool);
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274 ngx_mail_session_internal_server_error(s);
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275 }
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276
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277 return;
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278 }
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279 }
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280
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281 if (!wev->timer_set) {
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282 ahcf = ngx_mail_get_module_srv_conf(s, ngx_mail_auth_http_module);
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283 ngx_add_timer(wev, ahcf->timeout);
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284 }
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285 }
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286
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287
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288 static void
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289 ngx_mail_auth_http_read_handler(ngx_event_t *rev)
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290 {
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291 ssize_t n, size;
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292 ngx_connection_t *c;
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293 ngx_mail_session_t *s;
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294 ngx_mail_auth_http_ctx_t *ctx;
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295
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296 c = rev->data;
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297 s = c->data;
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298
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299 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0,
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300 "mail auth http read handler");
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301
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302 ctx = ngx_mail_get_module_ctx(s, ngx_mail_auth_http_module);
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303
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304 if (rev->timedout) {
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305 ngx_log_error(NGX_LOG_ERR, rev->log, NGX_ETIMEDOUT,
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306 "auth http server %V timed out", ctx->peer.name);
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336
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307 ngx_close_connection(c);
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290
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308 ngx_destroy_pool(ctx->pool);
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309 ngx_mail_session_internal_server_error(s);
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310 return;
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311 }
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312
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313 if (ctx->response == NULL) {
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314 ctx->response = ngx_create_temp_buf(ctx->pool, 1024);
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315 if (ctx->response == NULL) {
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336
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316 ngx_close_connection(c);
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290
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317 ngx_destroy_pool(ctx->pool);
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318 ngx_mail_session_internal_server_error(s);
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319 return;
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320 }
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321 }
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322
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323 size = ctx->response->end - ctx->response->last;
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324
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325 n = ngx_recv(c, ctx->response->pos, size);
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326
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327 if (n > 0) {
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328 ctx->response->last += n;
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329
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330 ctx->handler(s, ctx);
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331 return;
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332 }
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333
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334 if (n == NGX_AGAIN) {
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335 return;
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336 }
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337
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336
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338 ngx_close_connection(c);
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290
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339 ngx_destroy_pool(ctx->pool);
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340 ngx_mail_session_internal_server_error(s);
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341 }
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342
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343
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344 static void
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345 ngx_mail_auth_http_ignore_status_line(ngx_mail_session_t *s,
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346 ngx_mail_auth_http_ctx_t *ctx)
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347 {
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348 u_char *p, ch;
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349 enum {
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350 sw_start = 0,
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351 sw_H,
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352 sw_HT,
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353 sw_HTT,
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354 sw_HTTP,
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355 sw_skip,
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356 sw_almost_done
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357 } state;
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358
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359 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, s->connection->log, 0,
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360 "mail auth http process status line");
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361
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362 state = ctx->state;
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363
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364 for (p = ctx->response->pos; p < ctx->response->last; p++) {
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365 ch = *p;
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366
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367 switch (state) {
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368
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369 /* "HTTP/" */
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370 case sw_start:
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371 if (ch == 'H') {
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372 state = sw_H;
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373 break;
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374 }
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375 goto next;
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376
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377 case sw_H:
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378 if (ch == 'T') {
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379 state = sw_HT;
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380 break;
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381 }
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382 goto next;
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383
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384 case sw_HT:
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385 if (ch == 'T') {
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386 state = sw_HTT;
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387 break;
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388 }
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389 goto next;
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390
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391 case sw_HTT:
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392 if (ch == 'P') {
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393 state = sw_HTTP;
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394 break;
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395 }
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396 goto next;
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397
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398 case sw_HTTP:
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399 if (ch == '/') {
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400 state = sw_skip;
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401 break;
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402 }
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403 goto next;
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404
|
|
|
405 /* any text until end of line */
|
|
|
406 case sw_skip:
|
|
|
407 switch (ch) {
|
|
|
408 case CR:
|
|
|
409 state = sw_almost_done;
|
|
|
410
|
|
|
411 break;
|
|
|
412 case LF:
|
|
|
413 goto done;
|
|
|
414 }
|
|
|
415 break;
|
|
|
416
|
|
|
417 /* end of status line */
|
|
|
418 case sw_almost_done:
|
|
|
419 if (ch == LF) {
|
|
|
420 goto done;
|
|
|
421 }
|
|
|
422
|
|
|
423 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
|
|
424 "auth http server &V sent invalid response",
|
|
|
425 ctx->peer.name);
|
|
|
426 ngx_close_connection(ctx->peer.connection);
|
|
|
427 ngx_destroy_pool(ctx->pool);
|
|
|
428 ngx_mail_session_internal_server_error(s);
|
|
|
429 return;
|
|
|
430 }
|
|
|
431 }
|
|
|
432
|
|
|
433 ctx->response->pos = p;
|
|
|
434 ctx->state = state;
|
|
|
435
|
|
|
436 return;
|
|
|
437
|
|
|
438 next:
|
|
|
439
|
|
|
440 p = ctx->response->start - 1;
|
|
|
441
|
|
|
442 done:
|
|
|
443
|
|
|
444 ctx->response->pos = p + 1;
|
|
|
445 ctx->state = 0;
|
|
|
446 ctx->handler = ngx_mail_auth_http_process_headers;
|
|
|
447 ctx->handler(s, ctx);
|
|
|
448 }
|
|
|
449
|
|
|
450
|
|
|
451 static void
|
|
|
452 ngx_mail_auth_http_process_headers(ngx_mail_session_t *s,
|
|
|
453 ngx_mail_auth_http_ctx_t *ctx)
|
|
|
454 {
|
|
|
455 u_char *p;
|
|
|
456 time_t timer;
|
|
|
457 size_t len, size;
|
|
|
458 ngx_int_t rc, port, n;
|
|
|
459 ngx_peer_addr_t *peer;
|
|
|
460 struct sockaddr_in *sin;
|
|
|
461
|
|
|
462 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, s->connection->log, 0,
|
|
|
463 "mail auth http process headers");
|
|
|
464
|
|
|
465 for ( ;; ) {
|
|
|
466 rc = ngx_mail_auth_http_parse_header_line(s, ctx);
|
|
|
467
|
|
|
468 if (rc == NGX_OK) {
|
|
|
469
|
|
|
470 #if (NGX_DEBUG)
|
|
|
471 {
|
|
|
472 ngx_str_t key, value;
|
|
|
473
|
|
|
474 key.len = ctx->header_name_end - ctx->header_name_start;
|
|
|
475 key.data = ctx->header_name_start;
|
|
|
476 value.len = ctx->header_end - ctx->header_start;
|
|
|
477 value.data = ctx->header_start;
|
|
|
478
|
|
|
479 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, s->connection->log, 0,
|
|
|
480 "mail auth http header: \"%V: %V\"",
|
|
|
481 &key, &value);
|
|
|
482 }
|
|
|
483 #endif
|
|
|
484
|
|
|
485 len = ctx->header_name_end - ctx->header_name_start;
|
|
|
486
|
|
|
487 if (len == sizeof("Auth-Status") - 1
|
|
|
488 && ngx_strncasecmp(ctx->header_name_start,
|
|
|
489 (u_char *) "Auth-Status",
|
|
|
490 sizeof("Auth-Status") - 1)
|
|
|
491 == 0)
|
|
|
492 {
|
|
|
493 len = ctx->header_end - ctx->header_start;
|
|
|
494
|
|
|
495 if (len == 2
|
|
|
496 && ctx->header_start[0] == 'O'
|
|
|
497 && ctx->header_start[1] == 'K')
|
|
|
498 {
|
|
|
499 continue;
|
|
|
500 }
|
|
|
501
|
|
|
502 if (len == 4
|
|
|
503 && ctx->header_start[0] == 'W'
|
|
|
504 && ctx->header_start[1] == 'A'
|
|
|
505 && ctx->header_start[2] == 'I'
|
|
|
506 && ctx->header_start[3] == 'T')
|
|
|
507 {
|
|
|
508 s->auth_wait = 1;
|
|
|
509 continue;
|
|
|
510 }
|
|
|
511
|
|
|
512 ctx->errmsg.len = len;
|
|
|
513 ctx->errmsg.data = ctx->header_start;
|
|
|
514
|
|
|
515 switch (s->protocol) {
|
|
|
516
|
|
|
517 case NGX_MAIL_POP3_PROTOCOL:
|
|
|
518 size = sizeof("-ERR ") - 1 + len + sizeof(CRLF) - 1;
|
|
|
519 break;
|
|
|
520
|
|
|
521 case NGX_MAIL_IMAP_PROTOCOL:
|
|
|
522 size = s->tag.len + sizeof("NO ") - 1 + len
|
|
|
523 + sizeof(CRLF) - 1;
|
|
|
524 break;
|
|
|
525
|
|
|
526 default: /* NGX_MAIL_SMTP_PROTOCOL */
|
|
|
527 ctx->err = ctx->errmsg;
|
|
|
528 continue;
|
|
|
529 }
|
|
|
530
|
|
384
|
531 p = ngx_pnalloc(s->connection->pool, size);
|
|
290
|
532 if (p == NULL) {
|
|
|
533 ngx_close_connection(ctx->peer.connection);
|
|
|
534 ngx_destroy_pool(ctx->pool);
|
|
|
535 ngx_mail_session_internal_server_error(s);
|
|
|
536 return;
|
|
|
537 }
|
|
|
538
|
|
|
539 ctx->err.data = p;
|
|
|
540
|
|
|
541 switch (s->protocol) {
|
|
|
542
|
|
|
543 case NGX_MAIL_POP3_PROTOCOL:
|
|
|
544 *p++ = '-'; *p++ = 'E'; *p++ = 'R'; *p++ = 'R'; *p++ = ' ';
|
|
|
545 break;
|
|
|
546
|
|
|
547 case NGX_MAIL_IMAP_PROTOCOL:
|
|
|
548 p = ngx_cpymem(p, s->tag.data, s->tag.len);
|
|
|
549 *p++ = 'N'; *p++ = 'O'; *p++ = ' ';
|
|
|
550 break;
|
|
|
551
|
|
|
552 default: /* NGX_MAIL_SMTP_PROTOCOL */
|
|
|
553 break;
|
|
|
554 }
|
|
|
555
|
|
|
556 p = ngx_cpymem(p, ctx->header_start, len);
|
|
|
557 *p++ = CR; *p++ = LF;
|
|
|
558
|
|
|
559 ctx->err.len = p - ctx->err.data;
|
|
|
560
|
|
|
561 continue;
|
|
|
562 }
|
|
|
563
|
|
|
564 if (len == sizeof("Auth-Server") - 1
|
|
|
565 && ngx_strncasecmp(ctx->header_name_start,
|
|
|
566 (u_char *) "Auth-Server",
|
|
|
567 sizeof("Auth-Server") - 1)
|
|
|
568 == 0)
|
|
|
569 {
|
|
|
570 ctx->addr.len = ctx->header_end - ctx->header_start;
|
|
|
571 ctx->addr.data = ctx->header_start;
|
|
|
572
|
|
|
573 continue;
|
|
|
574 }
|
|
|
575
|
|
|
576 if (len == sizeof("Auth-Port") - 1
|
|
|
577 && ngx_strncasecmp(ctx->header_name_start,
|
|
|
578 (u_char *) "Auth-Port",
|
|
|
579 sizeof("Auth-Port") - 1)
|
|
|
580 == 0)
|
|
|
581 {
|
|
|
582 ctx->port.len = ctx->header_end - ctx->header_start;
|
|
|
583 ctx->port.data = ctx->header_start;
|
|
|
584
|
|
|
585 continue;
|
|
|
586 }
|
|
|
587
|
|
|
588 if (len == sizeof("Auth-User") - 1
|
|
|
589 && ngx_strncasecmp(ctx->header_name_start,
|
|
|
590 (u_char *) "Auth-User",
|
|
|
591 sizeof("Auth-User") - 1)
|
|
|
592 == 0)
|
|
|
593 {
|
|
|
594 s->login.len = ctx->header_end - ctx->header_start;
|
|
|
595
|
|
382
|
596 s->login.data = ngx_pnalloc(s->connection->pool, s->login.len);
|
|
290
|
597 if (s->login.data == NULL) {
|
|
|
598 ngx_close_connection(ctx->peer.connection);
|
|
|
599 ngx_destroy_pool(ctx->pool);
|
|
|
600 ngx_mail_session_internal_server_error(s);
|
|
|
601 return;
|
|
|
602 }
|
|
|
603
|
|
|
604 ngx_memcpy(s->login.data, ctx->header_start, s->login.len);
|
|
|
605
|
|
|
606 continue;
|
|
|
607 }
|
|
|
608
|
|
|
609 if (len == sizeof("Auth-Pass") - 1
|
|
|
610 && ngx_strncasecmp(ctx->header_name_start,
|
|
|
611 (u_char *) "Auth-Pass",
|
|
|
612 sizeof("Auth-Pass") - 1)
|
|
|
613 == 0)
|
|
|
614 {
|
|
|
615 s->passwd.len = ctx->header_end - ctx->header_start;
|
|
|
616
|
|
382
|
617 s->passwd.data = ngx_pnalloc(s->connection->pool,
|
|
|
618 s->passwd.len);
|
|
290
|
619 if (s->passwd.data == NULL) {
|
|
|
620 ngx_close_connection(ctx->peer.connection);
|
|
|
621 ngx_destroy_pool(ctx->pool);
|
|
|
622 ngx_mail_session_internal_server_error(s);
|
|
|
623 return;
|
|
|
624 }
|
|
|
625
|
|
|
626 ngx_memcpy(s->passwd.data, ctx->header_start, s->passwd.len);
|
|
|
627
|
|
|
628 continue;
|
|
|
629 }
|
|
|
630
|
|
|
631 if (len == sizeof("Auth-Wait") - 1
|
|
|
632 && ngx_strncasecmp(ctx->header_name_start,
|
|
|
633 (u_char *) "Auth-Wait",
|
|
|
634 sizeof("Auth-Wait") - 1)
|
|
|
635 == 0)
|
|
|
636 {
|
|
|
637 n = ngx_atoi(ctx->header_start,
|
|
|
638 ctx->header_end - ctx->header_start);
|
|
|
639
|
|
|
640 if (n != NGX_ERROR) {
|
|
|
641 ctx->sleep = n;
|
|
|
642 }
|
|
|
643
|
|
|
644 continue;
|
|
|
645 }
|
|
|
646
|
|
|
647 if (len == sizeof("Auth-Error-Code") - 1
|
|
|
648 && ngx_strncasecmp(ctx->header_name_start,
|
|
|
649 (u_char *) "Auth-Error-Code",
|
|
|
650 sizeof("Auth-Error-Code") - 1)
|
|
|
651 == 0)
|
|
|
652 {
|
|
|
653 ctx->errcode.len = ctx->header_end - ctx->header_start;
|
|
|
654
|
|
382
|
655 ctx->errcode.data = ngx_pnalloc(s->connection->pool,
|
|
|
656 ctx->errcode.len);
|
|
290
|
657 if (ctx->errcode.data == NULL) {
|
|
|
658 ngx_close_connection(ctx->peer.connection);
|
|
|
659 ngx_destroy_pool(ctx->pool);
|
|
|
660 ngx_mail_session_internal_server_error(s);
|
|
|
661 return;
|
|
|
662 }
|
|
|
663
|
|
|
664 ngx_memcpy(ctx->errcode.data, ctx->header_start,
|
|
|
665 ctx->errcode.len);
|
|
|
666
|
|
|
667 continue;
|
|
|
668 }
|
|
|
669
|
|
|
670 /* ignore other headers */
|
|
|
671
|
|
|
672 continue;
|
|
|
673 }
|
|
|
674
|
|
|
675 if (rc == NGX_DONE) {
|
|
|
676 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, s->connection->log, 0,
|
|
|
677 "mail auth http header done");
|
|
|
678
|
|
|
679 ngx_close_connection(ctx->peer.connection);
|
|
|
680
|
|
|
681 if (ctx->err.len) {
|
|
|
682
|
|
|
683 ngx_log_error(NGX_LOG_INFO, s->connection->log, 0,
|
|
|
684 "client login failed: \"%V\"", &ctx->errmsg);
|
|
|
685
|
|
|
686 if (s->protocol == NGX_MAIL_SMTP_PROTOCOL) {
|
|
|
687
|
|
|
688 if (ctx->errcode.len == 0) {
|
|
|
689 ctx->errcode = ngx_mail_smtp_errcode;
|
|
|
690 }
|
|
|
691
|
|
|
692 ctx->err.len = ctx->errcode.len + ctx->errmsg.len
|
|
|
693 + sizeof(" " CRLF) - 1;
|
|
|
694
|
|
382
|
695 p = ngx_pnalloc(s->connection->pool, ctx->err.len);
|
|
296
|
696 if (p == NULL) {
|
|
|
697 ngx_close_connection(ctx->peer.connection);
|
|
|
698 ngx_destroy_pool(ctx->pool);
|
|
|
699 ngx_mail_session_internal_server_error(s);
|
|
|
700 return;
|
|
|
701 }
|
|
290
|
702
|
|
296
|
703 ctx->err.data = p;
|
|
290
|
704
|
|
296
|
705 p = ngx_cpymem(p, ctx->errcode.data, ctx->errcode.len);
|
|
290
|
706 *p++ = ' ';
|
|
296
|
707 p = ngx_cpymem(p, ctx->errmsg.data, ctx->errmsg.len);
|
|
290
|
708 *p++ = CR; *p = LF;
|
|
|
709 }
|
|
|
710
|
|
|
711 s->out = ctx->err;
|
|
|
712 timer = ctx->sleep;
|
|
|
713
|
|
|
714 ngx_destroy_pool(ctx->pool);
|
|
|
715
|
|
|
716 if (timer == 0) {
|
|
|
717 s->quit = 1;
|
|
|
718 ngx_mail_send(s->connection->write);
|
|
|
719 return;
|
|
|
720 }
|
|
|
721
|
|
346
|
722 ngx_add_timer(s->connection->read, (ngx_msec_t) (timer * 1000));
|
|
290
|
723
|
|
|
724 s->connection->read->handler = ngx_mail_auth_sleep_handler;
|
|
|
725
|
|
|
726 return;
|
|
|
727 }
|
|
|
728
|
|
|
729 if (s->auth_wait) {
|
|
|
730 timer = ctx->sleep;
|
|
|
731
|
|
|
732 ngx_destroy_pool(ctx->pool);
|
|
|
733
|
|
|
734 if (timer == 0) {
|
|
|
735 ngx_mail_auth_http_init(s);
|
|
|
736 return;
|
|
|
737 }
|
|
|
738
|
|
346
|
739 ngx_add_timer(s->connection->read, (ngx_msec_t) (timer * 1000));
|
|
290
|
740
|
|
|
741 s->connection->read->handler = ngx_mail_auth_sleep_handler;
|
|
|
742
|
|
|
743 return;
|
|
|
744 }
|
|
|
745
|
|
|
746 if (ctx->addr.len == 0 || ctx->port.len == 0) {
|
|
|
747 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
|
|
748 "auth http server %V did not send server or port",
|
|
|
749 ctx->peer.name);
|
|
|
750 ngx_destroy_pool(ctx->pool);
|
|
|
751 ngx_mail_session_internal_server_error(s);
|
|
|
752 return;
|
|
|
753 }
|
|
|
754
|
|
336
|
755 if (s->passwd.data == NULL
|
|
|
756 && s->protocol != NGX_MAIL_SMTP_PROTOCOL)
|
|
290
|
757 {
|
|
|
758 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
|
|
759 "auth http server %V did not send password",
|
|
|
760 ctx->peer.name);
|
|
|
761 ngx_destroy_pool(ctx->pool);
|
|
|
762 ngx_mail_session_internal_server_error(s);
|
|
|
763 return;
|
|
|
764 }
|
|
|
765
|
|
|
766 peer = ngx_pcalloc(s->connection->pool, sizeof(ngx_peer_addr_t));
|
|
|
767 if (peer == NULL) {
|
|
|
768 ngx_destroy_pool(ctx->pool);
|
|
|
769 ngx_mail_session_internal_server_error(s);
|
|
|
770 return;
|
|
|
771 }
|
|
|
772
|
|
|
773 sin = ngx_pcalloc(s->connection->pool, sizeof(struct sockaddr_in));
|
|
|
774 if (sin == NULL) {
|
|
|
775 ngx_destroy_pool(ctx->pool);
|
|
|
776 ngx_mail_session_internal_server_error(s);
|
|
|
777 return;
|
|
|
778 }
|
|
|
779
|
|
|
780 sin->sin_family = AF_INET;
|
|
|
781
|
|
|
782 port = ngx_atoi(ctx->port.data, ctx->port.len);
|
|
|
783 if (port == NGX_ERROR || port < 1 || port > 65536) {
|
|
|
784 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
|
|
785 "auth http server %V sent invalid server "
|
|
|
786 "port:\"%V\"",
|
|
|
787 ctx->peer.name, &ctx->port);
|
|
|
788 ngx_destroy_pool(ctx->pool);
|
|
|
789 ngx_mail_session_internal_server_error(s);
|
|
|
790 return;
|
|
|
791 }
|
|
|
792
|
|
|
793 sin->sin_port = htons((in_port_t) port);
|
|
|
794
|
|
|
795 ctx->addr.data[ctx->addr.len] = '\0';
|
|
|
796 sin->sin_addr.s_addr = inet_addr((char *) ctx->addr.data);
|
|
|
797 if (sin->sin_addr.s_addr == INADDR_NONE) {
|
|
|
798 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
|
|
799 "auth http server %V sent invalid server "
|
|
|
800 "address:\"%V\"",
|
|
|
801 ctx->peer.name, &ctx->addr);
|
|
|
802 ngx_destroy_pool(ctx->pool);
|
|
|
803 ngx_mail_session_internal_server_error(s);
|
|
|
804 return;
|
|
|
805 }
|
|
|
806
|
|
|
807 peer->sockaddr = (struct sockaddr *) sin;
|
|
|
808 peer->socklen = sizeof(struct sockaddr_in);
|
|
|
809
|
|
|
810 len = ctx->addr.len + 1 + ctx->port.len;
|
|
|
811
|
|
|
812 peer->name.len = len;
|
|
|
813
|
|
382
|
814 peer->name.data = ngx_pnalloc(s->connection->pool, len);
|
|
290
|
815 if (peer->name.data == NULL) {
|
|
|
816 ngx_destroy_pool(ctx->pool);
|
|
|
817 ngx_mail_session_internal_server_error(s);
|
|
|
818 return;
|
|
|
819 }
|
|
|
820
|
|
|
821 len = ctx->addr.len;
|
|
|
822
|
|
|
823 ngx_memcpy(peer->name.data, ctx->addr.data, len);
|
|
|
824
|
|
|
825 peer->name.data[len++] = ':';
|
|
|
826
|
|
|
827 ngx_memcpy(peer->name.data + len, ctx->port.data, ctx->port.len);
|
|
|
828
|
|
|
829 ngx_destroy_pool(ctx->pool);
|
|
|
830 ngx_mail_proxy_init(s, peer);
|
|
|
831
|
|
|
832 return;
|
|
|
833 }
|
|
|
834
|
|
|
835 if (rc == NGX_AGAIN ) {
|
|
|
836 return;
|
|
|
837 }
|
|
|
838
|
|
|
839 /* rc == NGX_ERROR */
|
|
|
840
|
|
|
841 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
|
|
842 "auth http server %V sent invalid header in response",
|
|
|
843 ctx->peer.name);
|
|
|
844 ngx_close_connection(ctx->peer.connection);
|
|
|
845 ngx_destroy_pool(ctx->pool);
|
|
|
846 ngx_mail_session_internal_server_error(s);
|
|
|
847
|
|
|
848 return;
|
|
|
849 }
|
|
|
850 }
|
|
|
851
|
|
|
852
|
|
|
853 static void
|
|
|
854 ngx_mail_auth_sleep_handler(ngx_event_t *rev)
|
|
|
855 {
|
|
|
856 ngx_connection_t *c;
|
|
|
857 ngx_mail_session_t *s;
|
|
|
858 ngx_mail_core_srv_conf_t *cscf;
|
|
|
859
|
|
|
860 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, "mail auth sleep handler");
|
|
|
861
|
|
|
862 c = rev->data;
|
|
|
863 s = c->data;
|
|
|
864
|
|
|
865 if (rev->timedout) {
|
|
|
866
|
|
|
867 rev->timedout = 0;
|
|
|
868
|
|
|
869 if (s->auth_wait) {
|
|
|
870 s->auth_wait = 0;
|
|
|
871 ngx_mail_auth_http_init(s);
|
|
|
872 return;
|
|
|
873 }
|
|
|
874
|
|
336
|
875 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module);
|
|
290
|
876
|
|
336
|
877 rev->handler = cscf->protocol->auth_state;
|
|
290
|
878
|
|
336
|
879 s->mail_state = 0;
|
|
290
|
880 s->auth_method = NGX_MAIL_AUTH_PLAIN;
|
|
|
881
|
|
|
882 c->log->action = "in auth state";
|
|
|
883
|
|
336
|
884 ngx_mail_send(c->write);
|
|
290
|
885
|
|
|
886 if (c->destroyed) {
|
|
|
887 return;
|
|
|
888 }
|
|
|
889
|
|
|
890 ngx_add_timer(rev, cscf->timeout);
|
|
|
891
|
|
|
892 if (rev->ready) {
|
|
336
|
893 rev->handler(rev);
|
|
290
|
894 return;
|
|
|
895 }
|
|
|
896
|
|
|
897 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
336
|
898 ngx_mail_close_connection(c);
|
|
290
|
899 }
|
|
|
900
|
|
|
901 return;
|
|
|
902 }
|
|
|
903
|
|
|
904 if (rev->active) {
|
|
|
905 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
336
|
906 ngx_mail_close_connection(c);
|
|
290
|
907 }
|
|
|
908 }
|
|
|
909 }
|
|
|
910
|
|
|
911
|
|
|
912 static ngx_int_t
|
|
|
913 ngx_mail_auth_http_parse_header_line(ngx_mail_session_t *s,
|
|
|
914 ngx_mail_auth_http_ctx_t *ctx)
|
|
|
915 {
|
|
|
916 u_char c, ch, *p;
|
|
|
917 enum {
|
|
|
918 sw_start = 0,
|
|
|
919 sw_name,
|
|
|
920 sw_space_before_value,
|
|
|
921 sw_value,
|
|
|
922 sw_space_after_value,
|
|
|
923 sw_almost_done,
|
|
|
924 sw_header_almost_done
|
|
|
925 } state;
|
|
|
926
|
|
|
927 state = ctx->state;
|
|
|
928
|
|
|
929 for (p = ctx->response->pos; p < ctx->response->last; p++) {
|
|
|
930 ch = *p;
|
|
|
931
|
|
|
932 switch (state) {
|
|
|
933
|
|
|
934 /* first char */
|
|
|
935 case sw_start:
|
|
|
936
|
|
|
937 switch (ch) {
|
|
|
938 case CR:
|
|
|
939 ctx->header_end = p;
|
|
|
940 state = sw_header_almost_done;
|
|
|
941 break;
|
|
|
942 case LF:
|
|
|
943 ctx->header_end = p;
|
|
|
944 goto header_done;
|
|
|
945 default:
|
|
|
946 state = sw_name;
|
|
|
947 ctx->header_name_start = p;
|
|
|
948
|
|
|
949 c = (u_char) (ch | 0x20);
|
|
|
950 if (c >= 'a' && c <= 'z') {
|
|
|
951 break;
|
|
|
952 }
|
|
|
953
|
|
|
954 if (ch >= '0' && ch <= '9') {
|
|
|
955 break;
|
|
|
956 }
|
|
|
957
|
|
|
958 return NGX_ERROR;
|
|
|
959 }
|
|
|
960 break;
|
|
|
961
|
|
|
962 /* header name */
|
|
|
963 case sw_name:
|
|
|
964 c = (u_char) (ch | 0x20);
|
|
|
965 if (c >= 'a' && c <= 'z') {
|
|
|
966 break;
|
|
|
967 }
|
|
|
968
|
|
|
969 if (ch == ':') {
|
|
|
970 ctx->header_name_end = p;
|
|
|
971 state = sw_space_before_value;
|
|
|
972 break;
|
|
|
973 }
|
|
|
974
|
|
|
975 if (ch == '-') {
|
|
|
976 break;
|
|
|
977 }
|
|
|
978
|
|
|
979 if (ch >= '0' && ch <= '9') {
|
|
|
980 break;
|
|
|
981 }
|
|
|
982
|
|
|
983 if (ch == CR) {
|
|
|
984 ctx->header_name_end = p;
|
|
|
985 ctx->header_start = p;
|
|
|
986 ctx->header_end = p;
|
|
|
987 state = sw_almost_done;
|
|
|
988 break;
|
|
|
989 }
|
|
|
990
|
|
|
991 if (ch == LF) {
|
|
|
992 ctx->header_name_end = p;
|
|
|
993 ctx->header_start = p;
|
|
|
994 ctx->header_end = p;
|
|
|
995 goto done;
|
|
|
996 }
|
|
|
997
|
|
|
998 return NGX_ERROR;
|
|
|
999
|
|
|
1000 /* space* before header value */
|
|
|
1001 case sw_space_before_value:
|
|
|
1002 switch (ch) {
|
|
|
1003 case ' ':
|
|
|
1004 break;
|
|
|
1005 case CR:
|
|
|
1006 ctx->header_start = p;
|
|
|
1007 ctx->header_end = p;
|
|
|
1008 state = sw_almost_done;
|
|
|
1009 break;
|
|
|
1010 case LF:
|
|
|
1011 ctx->header_start = p;
|
|
|
1012 ctx->header_end = p;
|
|
|
1013 goto done;
|
|
|
1014 default:
|
|
|
1015 ctx->header_start = p;
|
|
|
1016 state = sw_value;
|
|
|
1017 break;
|
|
|
1018 }
|
|
|
1019 break;
|
|
|
1020
|
|
|
1021 /* header value */
|
|
|
1022 case sw_value:
|
|
|
1023 switch (ch) {
|
|
|
1024 case ' ':
|
|
|
1025 ctx->header_end = p;
|
|
|
1026 state = sw_space_after_value;
|
|
|
1027 break;
|
|
|
1028 case CR:
|
|
|
1029 ctx->header_end = p;
|
|
|
1030 state = sw_almost_done;
|
|
|
1031 break;
|
|
|
1032 case LF:
|
|
|
1033 ctx->header_end = p;
|
|
|
1034 goto done;
|
|
|
1035 }
|
|
|
1036 break;
|
|
|
1037
|
|
|
1038 /* space* before end of header line */
|
|
|
1039 case sw_space_after_value:
|
|
|
1040 switch (ch) {
|
|
|
1041 case ' ':
|
|
|
1042 break;
|
|
|
1043 case CR:
|
|
|
1044 state = sw_almost_done;
|
|
|
1045 break;
|
|
|
1046 case LF:
|
|
|
1047 goto done;
|
|
|
1048 default:
|
|
|
1049 state = sw_value;
|
|
|
1050 break;
|
|
|
1051 }
|
|
|
1052 break;
|
|
|
1053
|
|
|
1054 /* end of header line */
|
|
|
1055 case sw_almost_done:
|
|
|
1056 switch (ch) {
|
|
|
1057 case LF:
|
|
|
1058 goto done;
|
|
|
1059 default:
|
|
|
1060 return NGX_ERROR;
|
|
|
1061 }
|
|
|
1062
|
|
|
1063 /* end of header */
|
|
|
1064 case sw_header_almost_done:
|
|
|
1065 switch (ch) {
|
|
|
1066 case LF:
|
|
|
1067 goto header_done;
|
|
|
1068 default:
|
|
|
1069 return NGX_ERROR;
|
|
|
1070 }
|
|
|
1071 }
|
|
|
1072 }
|
|
|
1073
|
|
|
1074 ctx->response->pos = p;
|
|
|
1075 ctx->state = state;
|
|
|
1076
|
|
|
1077 return NGX_AGAIN;
|
|
|
1078
|
|
|
1079 done:
|
|
|
1080
|
|
|
1081 ctx->response->pos = p + 1;
|
|
|
1082 ctx->state = sw_start;
|
|
|
1083
|
|
|
1084 return NGX_OK;
|
|
|
1085
|
|
|
1086 header_done:
|
|
|
1087
|
|
|
1088 ctx->response->pos = p + 1;
|
|
|
1089 ctx->state = sw_start;
|
|
|
1090
|
|
|
1091 return NGX_DONE;
|
|
|
1092 }
|
|
|
1093
|
|
|
1094
|
|
|
1095 static void
|
|
|
1096 ngx_mail_auth_http_block_read(ngx_event_t *rev)
|
|
|
1097 {
|
|
|
1098 ngx_connection_t *c;
|
|
|
1099 ngx_mail_session_t *s;
|
|
|
1100 ngx_mail_auth_http_ctx_t *ctx;
|
|
|
1101
|
|
|
1102 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0,
|
|
|
1103 "mail auth http block read");
|
|
|
1104
|
|
|
1105 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
|
1106 c = rev->data;
|
|
|
1107 s = c->data;
|
|
|
1108
|
|
|
1109 ctx = ngx_mail_get_module_ctx(s, ngx_mail_auth_http_module);
|
|
|
1110
|
|
|
1111 ngx_close_connection(ctx->peer.connection);
|
|
|
1112 ngx_destroy_pool(ctx->pool);
|
|
|
1113 ngx_mail_session_internal_server_error(s);
|
|
|
1114 }
|
|
|
1115 }
|
|
|
1116
|
|
|
1117
|
|
|
1118 static void
|
|
|
1119 ngx_mail_auth_http_dummy_handler(ngx_event_t *ev)
|
|
|
1120 {
|
|
|
1121 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, ev->log, 0,
|
|
|
1122 "mail auth http dummy handler");
|
|
|
1123 }
|
|
|
1124
|
|
|
1125
|
|
|
1126 static ngx_buf_t *
|
|
|
1127 ngx_mail_auth_http_create_request(ngx_mail_session_t *s, ngx_pool_t *pool,
|
|
|
1128 ngx_mail_auth_http_conf_t *ahcf)
|
|
|
1129 {
|
|
336
|
1130 size_t len;
|
|
|
1131 ngx_buf_t *b;
|
|
|
1132 ngx_str_t login, passwd;
|
|
|
1133 ngx_mail_core_srv_conf_t *cscf;
|
|
290
|
1134
|
|
|
1135 if (ngx_mail_auth_http_escape(pool, &s->login, &login) != NGX_OK) {
|
|
|
1136 return NULL;
|
|
|
1137 }
|
|
|
1138
|
|
|
1139 if (ngx_mail_auth_http_escape(pool, &s->passwd, &passwd) != NGX_OK) {
|
|
|
1140 return NULL;
|
|
|
1141 }
|
|
|
1142
|
|
336
|
1143 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module);
|
|
|
1144
|
|
290
|
1145 len = sizeof("GET ") - 1 + ahcf->uri.len + sizeof(" HTTP/1.0" CRLF) - 1
|
|
|
1146 + sizeof("Host: ") - 1 + ahcf->host_header.len + sizeof(CRLF) - 1
|
|
|
1147 + sizeof("Auth-Method: ") - 1
|
|
|
1148 + ngx_mail_auth_http_method[s->auth_method].len
|
|
|
1149 + sizeof(CRLF) - 1
|
|
|
1150 + sizeof("Auth-User: ") - 1 + login.len + sizeof(CRLF) - 1
|
|
|
1151 + sizeof("Auth-Pass: ") - 1 + passwd.len + sizeof(CRLF) - 1
|
|
|
1152 + sizeof("Auth-Salt: ") - 1 + s->salt.len
|
|
336
|
1153 + sizeof("Auth-Protocol: ") - 1 + cscf->protocol->name.len
|
|
|
1154 + sizeof(CRLF) - 1
|
|
290
|
1155 + sizeof("Auth-Login-Attempt: ") - 1 + NGX_INT_T_LEN
|
|
|
1156 + sizeof(CRLF) - 1
|
|
|
1157 + sizeof("Client-IP: ") - 1 + s->connection->addr_text.len
|
|
|
1158 + sizeof(CRLF) - 1
|
|
420
|
1159 + sizeof("Client-Host: ") - 1 + s->host.len + sizeof(CRLF) - 1
|
|
|
1160 + sizeof("Auth-SMTP-Helo: ") - 1 + s->smtp_helo.len
|
|
|
1161 + sizeof("Auth-SMTP-From: ") - 1 + s->smtp_from.len
|
|
|
1162 + sizeof("Auth-SMTP-To: ") - 1 + s->smtp_to.len
|
|
318
|
1163 + ahcf->header.len
|
|
290
|
1164 + sizeof(CRLF) - 1;
|
|
|
1165
|
|
|
1166 b = ngx_create_temp_buf(pool, len);
|
|
|
1167 if (b == NULL) {
|
|
|
1168 return NULL;
|
|
|
1169 }
|
|
|
1170
|
|
|
1171 b->last = ngx_cpymem(b->last, "GET ", sizeof("GET ") - 1);
|
|
|
1172 b->last = ngx_copy(b->last, ahcf->uri.data, ahcf->uri.len);
|
|
|
1173 b->last = ngx_cpymem(b->last, " HTTP/1.0" CRLF,
|
|
|
1174 sizeof(" HTTP/1.0" CRLF) - 1);
|
|
|
1175
|
|
|
1176 b->last = ngx_cpymem(b->last, "Host: ", sizeof("Host: ") - 1);
|
|
|
1177 b->last = ngx_copy(b->last, ahcf->host_header.data,
|
|
|
1178 ahcf->host_header.len);
|
|
|
1179 *b->last++ = CR; *b->last++ = LF;
|
|
|
1180
|
|
|
1181 b->last = ngx_cpymem(b->last, "Auth-Method: ",
|
|
|
1182 sizeof("Auth-Method: ") - 1);
|
|
|
1183 b->last = ngx_cpymem(b->last,
|
|
|
1184 ngx_mail_auth_http_method[s->auth_method].data,
|
|
|
1185 ngx_mail_auth_http_method[s->auth_method].len);
|
|
|
1186 *b->last++ = CR; *b->last++ = LF;
|
|
|
1187
|
|
|
1188 b->last = ngx_cpymem(b->last, "Auth-User: ", sizeof("Auth-User: ") - 1);
|
|
|
1189 b->last = ngx_copy(b->last, login.data, login.len);
|
|
|
1190 *b->last++ = CR; *b->last++ = LF;
|
|
|
1191
|
|
|
1192 b->last = ngx_cpymem(b->last, "Auth-Pass: ", sizeof("Auth-Pass: ") - 1);
|
|
|
1193 b->last = ngx_copy(b->last, passwd.data, passwd.len);
|
|
|
1194 *b->last++ = CR; *b->last++ = LF;
|
|
|
1195
|
|
|
1196 if (s->auth_method != NGX_MAIL_AUTH_PLAIN && s->salt.len) {
|
|
|
1197 b->last = ngx_cpymem(b->last, "Auth-Salt: ", sizeof("Auth-Salt: ") - 1);
|
|
|
1198 b->last = ngx_copy(b->last, s->salt.data, s->salt.len);
|
|
|
1199
|
|
|
1200 s->passwd.data = NULL;
|
|
|
1201 }
|
|
|
1202
|
|
|
1203 b->last = ngx_cpymem(b->last, "Auth-Protocol: ",
|
|
|
1204 sizeof("Auth-Protocol: ") - 1);
|
|
336
|
1205 b->last = ngx_cpymem(b->last, cscf->protocol->name.data,
|
|
|
1206 cscf->protocol->name.len);
|
|
290
|
1207 *b->last++ = CR; *b->last++ = LF;
|
|
|
1208
|
|
|
1209 b->last = ngx_sprintf(b->last, "Auth-Login-Attempt: %ui" CRLF,
|
|
|
1210 s->login_attempt);
|
|
|
1211
|
|
|
1212 b->last = ngx_cpymem(b->last, "Client-IP: ", sizeof("Client-IP: ") - 1);
|
|
|
1213 b->last = ngx_copy(b->last, s->connection->addr_text.data,
|
|
420
|
1214 s->connection->addr_text.len);
|
|
290
|
1215 *b->last++ = CR; *b->last++ = LF;
|
|
|
1216
|
|
420
|
1217 if (s->host.len) {
|
|
|
1218 b->last = ngx_cpymem(b->last, "Client-Host: ",
|
|
|
1219 sizeof("Client-Host: ") - 1);
|
|
|
1220 b->last = ngx_copy(b->last, s->host.data, s->host.len);
|
|
|
1221 *b->last++ = CR; *b->last++ = LF;
|
|
|
1222 }
|
|
|
1223
|
|
|
1224 if (s->auth_method == NGX_MAIL_AUTH_NONE) {
|
|
|
1225
|
|
|
1226 /* HELO, MAIL FROM, and RCPT TO can't contain CRLF, no need to escape */
|
|
|
1227
|
|
|
1228 b->last = ngx_cpymem(b->last, "Auth-SMTP-Helo: ",
|
|
|
1229 sizeof("Auth-SMTP-Helo: ") - 1);
|
|
|
1230 b->last = ngx_copy(b->last, s->smtp_helo.data, s->smtp_helo.len);
|
|
|
1231 *b->last++ = CR; *b->last++ = LF;
|
|
|
1232
|
|
|
1233 b->last = ngx_cpymem(b->last, "Auth-SMTP-From: ",
|
|
|
1234 sizeof("Auth-SMTP-From: ") - 1);
|
|
|
1235 b->last = ngx_copy(b->last, s->smtp_from.data, s->smtp_from.len);
|
|
|
1236 *b->last++ = CR; *b->last++ = LF;
|
|
|
1237
|
|
|
1238 b->last = ngx_cpymem(b->last, "Auth-SMTP-To: ",
|
|
|
1239 sizeof("Auth-SMTP-To: ") - 1);
|
|
|
1240 b->last = ngx_copy(b->last, s->smtp_to.data, s->smtp_to.len);
|
|
|
1241 *b->last++ = CR; *b->last++ = LF;
|
|
|
1242
|
|
|
1243 }
|
|
|
1244
|
|
290
|
1245 if (ahcf->header.len) {
|
|
|
1246 b->last = ngx_copy(b->last, ahcf->header.data, ahcf->header.len);
|
|
|
1247 }
|
|
|
1248
|
|
|
1249 /* add "\r\n" at the header end */
|
|
|
1250 *b->last++ = CR; *b->last++ = LF;
|
|
|
1251
|
|
|
1252 #if (NGX_DEBUG_MAIL_PASSWD)
|
|
|
1253 {
|
|
|
1254 ngx_str_t l;
|
|
|
1255
|
|
|
1256 l.len = b->last - b->pos;
|
|
|
1257 l.data = b->pos;
|
|
|
1258 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, s->connection->log, 0,
|
|
|
1259 "mail auth http header:\n\"%V\"", &l);
|
|
|
1260 }
|
|
|
1261 #endif
|
|
|
1262
|
|
|
1263 return b;
|
|
|
1264 }
|
|
|
1265
|
|
|
1266
|
|
|
1267 static ngx_int_t
|
|
|
1268 ngx_mail_auth_http_escape(ngx_pool_t *pool, ngx_str_t *text, ngx_str_t *escaped)
|
|
|
1269 {
|
|
328
|
1270 u_char *p;
|
|
|
1271 uintptr_t n;
|
|
290
|
1272
|
|
328
|
1273 n = ngx_escape_uri(NULL, text->data, text->len, NGX_ESCAPE_MAIL_AUTH);
|
|
290
|
1274
|
|
|
1275 if (n == 0) {
|
|
|
1276 *escaped = *text;
|
|
|
1277 return NGX_OK;
|
|
|
1278 }
|
|
|
1279
|
|
|
1280 escaped->len = text->len + n * 2;
|
|
|
1281
|
|
382
|
1282 p = ngx_pnalloc(pool, escaped->len);
|
|
290
|
1283 if (p == NULL) {
|
|
|
1284 return NGX_ERROR;
|
|
|
1285 }
|
|
|
1286
|
|
328
|
1287 (void) ngx_escape_uri(p, text->data, text->len, NGX_ESCAPE_MAIL_AUTH);
|
|
290
|
1288
|
|
328
|
1289 escaped->data = p;
|
|
290
|
1290
|
|
|
1291 return NGX_OK;
|
|
|
1292 }
|
|
|
1293
|
|
|
1294
|
|
|
1295 static void *
|
|
|
1296 ngx_mail_auth_http_create_conf(ngx_conf_t *cf)
|
|
|
1297 {
|
|
|
1298 ngx_mail_auth_http_conf_t *ahcf;
|
|
|
1299
|
|
|
1300 ahcf = ngx_pcalloc(cf->pool, sizeof(ngx_mail_auth_http_conf_t));
|
|
|
1301 if (ahcf == NULL) {
|
|
|
1302 return NGX_CONF_ERROR;
|
|
|
1303 }
|
|
|
1304
|
|
|
1305 ahcf->timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1306
|
|
326
|
1307 ahcf->file = cf->conf_file->file.name.data;
|
|
|
1308 ahcf->line = cf->conf_file->line;
|
|
|
1309
|
|
290
|
1310 return ahcf;
|
|
|
1311 }
|
|
|
1312
|
|
|
1313
|
|
|
1314 static char *
|
|
|
1315 ngx_mail_auth_http_merge_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1316 {
|
|
|
1317 ngx_mail_auth_http_conf_t *prev = parent;
|
|
|
1318 ngx_mail_auth_http_conf_t *conf = child;
|
|
|
1319
|
|
|
1320 u_char *p;
|
|
|
1321 size_t len;
|
|
|
1322 ngx_uint_t i;
|
|
|
1323 ngx_table_elt_t *header;
|
|
|
1324
|
|
|
1325 if (conf->peer == NULL) {
|
|
|
1326 conf->peer = prev->peer;
|
|
|
1327 conf->host_header = prev->host_header;
|
|
|
1328 conf->uri = prev->uri;
|
|
326
|
1329
|
|
|
1330 if (conf->peer == NULL) {
|
|
|
1331 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
1332 "no \"http_auth\" is defined for server in %s:%ui",
|
|
|
1333 conf->file, conf->line);
|
|
|
1334
|
|
|
1335 return NGX_CONF_ERROR;
|
|
|
1336 }
|
|
290
|
1337 }
|
|
|
1338
|
|
|
1339 ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 60000);
|
|
|
1340
|
|
|
1341 if (conf->headers == NULL) {
|
|
|
1342 conf->headers = prev->headers;
|
|
|
1343 conf->header = prev->header;
|
|
|
1344 }
|
|
|
1345
|
|
|
1346 if (conf->headers && conf->header.len == 0) {
|
|
|
1347 len = 0;
|
|
|
1348 header = conf->headers->elts;
|
|
|
1349 for (i = 0; i < conf->headers->nelts; i++) {
|
|
|
1350 len += header[i].key.len + 2 + header[i].value.len + 2;
|
|
|
1351 }
|
|
|
1352
|
|
382
|
1353 p = ngx_pnalloc(cf->pool, len);
|
|
290
|
1354 if (p == NULL) {
|
|
|
1355 return NGX_CONF_ERROR;
|
|
|
1356 }
|
|
|
1357
|
|
|
1358 conf->header.len = len;
|
|
|
1359 conf->header.data = p;
|
|
|
1360
|
|
|
1361 for (i = 0; i < conf->headers->nelts; i++) {
|
|
|
1362 p = ngx_cpymem(p, header[i].key.data, header[i].key.len);
|
|
|
1363 *p++ = ':'; *p++ = ' ';
|
|
|
1364 p = ngx_cpymem(p, header[i].value.data, header[i].value.len);
|
|
|
1365 *p++ = CR; *p++ = LF;
|
|
|
1366 }
|
|
|
1367 }
|
|
|
1368
|
|
|
1369 return NGX_CONF_OK;
|
|
|
1370 }
|
|
|
1371
|
|
|
1372
|
|
|
1373 static char *
|
|
|
1374 ngx_mail_auth_http(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1375 {
|
|
|
1376 ngx_mail_auth_http_conf_t *ahcf = conf;
|
|
|
1377
|
|
|
1378 ngx_str_t *value;
|
|
|
1379 ngx_url_t u;
|
|
|
1380
|
|
|
1381 value = cf->args->elts;
|
|
|
1382
|
|
|
1383 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
|
1384
|
|
|
1385 u.url = value[1];
|
|
|
1386 u.default_port = 80;
|
|
|
1387 u.uri_part = 1;
|
|
|
1388 u.one_addr = 1;
|
|
|
1389
|
|
326
|
1390 if (ngx_strncmp(u.url.data, "http://", 7) == 0) {
|
|
|
1391 u.url.len -= 7;
|
|
|
1392 u.url.data += 7;
|
|
|
1393 }
|
|
|
1394
|
|
340
|
1395 if (ngx_parse_url(cf->pool, &u) != NGX_OK) {
|
|
290
|
1396 if (u.err) {
|
|
|
1397 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1398 "%s in auth_http \"%V\"", u.err, &u.url);
|
|
|
1399 }
|
|
326
|
1400
|
|
|
1401 return NGX_CONF_ERROR;
|
|
290
|
1402 }
|
|
|
1403
|
|
|
1404 ahcf->peer = u.addrs;
|
|
|
1405
|
|
|
1406 ahcf->host_header = u.host;
|
|
|
1407 ahcf->uri = u.uri;
|
|
|
1408
|
|
|
1409 if (ahcf->uri.len == 0) {
|
|
|
1410 ahcf->uri.len = sizeof("/") - 1;
|
|
|
1411 ahcf->uri.data = (u_char *) "/";
|
|
|
1412 }
|
|
|
1413
|
|
|
1414 return NGX_CONF_OK;
|
|
|
1415 }
|
|
|
1416
|
|
|
1417
|
|
|
1418 static char *
|
|
|
1419 ngx_mail_auth_http_header(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1420 {
|
|
|
1421 ngx_mail_auth_http_conf_t *ahcf = conf;
|
|
|
1422
|
|
|
1423 ngx_str_t *value;
|
|
|
1424 ngx_table_elt_t *header;
|
|
|
1425
|
|
|
1426 if (ahcf->headers == NULL) {
|
|
|
1427 ahcf->headers = ngx_array_create(cf->pool, 1, sizeof(ngx_table_elt_t));
|
|
|
1428 if (ahcf->headers == NULL) {
|
|
|
1429 return NGX_CONF_ERROR;
|
|
|
1430 }
|
|
|
1431 }
|
|
|
1432
|
|
|
1433 header = ngx_array_push(ahcf->headers);
|
|
|
1434 if (header == NULL) {
|
|
|
1435 return NGX_CONF_ERROR;
|
|
|
1436 }
|
|
|
1437
|
|
|
1438 value = cf->args->elts;
|
|
|
1439
|
|
|
1440 header->key = value[1];
|
|
|
1441 header->value = value[2];
|
|
|
1442
|
|
|
1443 return NGX_CONF_OK;
|
|
|
1444 }
|
