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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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660
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4 * Copyright (C) Nginx, Inc.
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290
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5 */
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6
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7
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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10 #include <ngx_event.h>
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11 #include <ngx_event_connect.h>
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12 #include <ngx_mail.h>
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13
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14
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15 typedef struct {
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540
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16 ngx_addr_t *peer;
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290
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17
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18 ngx_msec_t timeout;
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19
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20 ngx_str_t host_header;
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21 ngx_str_t uri;
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22 ngx_str_t header;
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23
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24 ngx_array_t *headers;
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326
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25
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26 u_char *file;
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27 ngx_uint_t line;
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290
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28 } ngx_mail_auth_http_conf_t;
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29
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30
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31 typedef struct ngx_mail_auth_http_ctx_s ngx_mail_auth_http_ctx_t;
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32
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33 typedef void (*ngx_mail_auth_http_handler_pt)(ngx_mail_session_t *s,
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34 ngx_mail_auth_http_ctx_t *ctx);
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35
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36 struct ngx_mail_auth_http_ctx_s {
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37 ngx_buf_t *request;
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38 ngx_buf_t *response;
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39 ngx_peer_connection_t peer;
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40
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41 ngx_mail_auth_http_handler_pt handler;
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42
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43 ngx_uint_t state;
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44
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45 u_char *header_name_start;
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46 u_char *header_name_end;
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47 u_char *header_start;
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48 u_char *header_end;
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49
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50 ngx_str_t addr;
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51 ngx_str_t port;
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52 ngx_str_t err;
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53 ngx_str_t errmsg;
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54 ngx_str_t errcode;
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55
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56 time_t sleep;
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57
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58 ngx_pool_t *pool;
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59 };
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60
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61
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62 static void ngx_mail_auth_http_write_handler(ngx_event_t *wev);
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63 static void ngx_mail_auth_http_read_handler(ngx_event_t *rev);
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64 static void ngx_mail_auth_http_ignore_status_line(ngx_mail_session_t *s,
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65 ngx_mail_auth_http_ctx_t *ctx);
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66 static void ngx_mail_auth_http_process_headers(ngx_mail_session_t *s,
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67 ngx_mail_auth_http_ctx_t *ctx);
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68 static void ngx_mail_auth_sleep_handler(ngx_event_t *rev);
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69 static ngx_int_t ngx_mail_auth_http_parse_header_line(ngx_mail_session_t *s,
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70 ngx_mail_auth_http_ctx_t *ctx);
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71 static void ngx_mail_auth_http_block_read(ngx_event_t *rev);
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72 static void ngx_mail_auth_http_dummy_handler(ngx_event_t *ev);
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73 static ngx_buf_t *ngx_mail_auth_http_create_request(ngx_mail_session_t *s,
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74 ngx_pool_t *pool, ngx_mail_auth_http_conf_t *ahcf);
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75 static ngx_int_t ngx_mail_auth_http_escape(ngx_pool_t *pool, ngx_str_t *text,
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76 ngx_str_t *escaped);
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77
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78 static void *ngx_mail_auth_http_create_conf(ngx_conf_t *cf);
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79 static char *ngx_mail_auth_http_merge_conf(ngx_conf_t *cf, void *parent,
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80 void *child);
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81 static char *ngx_mail_auth_http(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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82 static char *ngx_mail_auth_http_header(ngx_conf_t *cf, ngx_command_t *cmd,
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83 void *conf);
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84
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85
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86 static ngx_command_t ngx_mail_auth_http_commands[] = {
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87
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88 { ngx_string("auth_http"),
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89 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1,
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90 ngx_mail_auth_http,
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91 NGX_MAIL_SRV_CONF_OFFSET,
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92 0,
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93 NULL },
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94
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95 { ngx_string("auth_http_timeout"),
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96 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1,
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97 ngx_conf_set_msec_slot,
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98 NGX_MAIL_SRV_CONF_OFFSET,
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99 offsetof(ngx_mail_auth_http_conf_t, timeout),
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100 NULL },
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101
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102 { ngx_string("auth_http_header"),
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103 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE2,
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104 ngx_mail_auth_http_header,
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105 NGX_MAIL_SRV_CONF_OFFSET,
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106 0,
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107 NULL },
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108
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109 ngx_null_command
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110 };
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111
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112
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113 static ngx_mail_module_t ngx_mail_auth_http_module_ctx = {
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336
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114 NULL, /* protocol */
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115
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290
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116 NULL, /* create main configuration */
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117 NULL, /* init main configuration */
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118
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119 ngx_mail_auth_http_create_conf, /* create server configuration */
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120 ngx_mail_auth_http_merge_conf /* merge server configuration */
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121 };
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122
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123
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124 ngx_module_t ngx_mail_auth_http_module = {
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125 NGX_MODULE_V1,
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126 &ngx_mail_auth_http_module_ctx, /* module context */
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127 ngx_mail_auth_http_commands, /* module directives */
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128 NGX_MAIL_MODULE, /* module type */
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129 NULL, /* init master */
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130 NULL, /* init module */
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131 NULL, /* init process */
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132 NULL, /* init thread */
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133 NULL, /* exit thread */
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134 NULL, /* exit process */
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135 NULL, /* exit master */
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136 NGX_MODULE_V1_PADDING
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137 };
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138
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139
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140 static ngx_str_t ngx_mail_auth_http_method[] = {
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141 ngx_string("plain"),
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142 ngx_string("plain"),
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482
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143 ngx_string("plain"),
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290
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144 ngx_string("apop"),
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420
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145 ngx_string("cram-md5"),
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146 ngx_string("none")
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290
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147 };
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148
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149 static ngx_str_t ngx_mail_smtp_errcode = ngx_string("535 5.7.0");
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150
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336
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151
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290
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152 void
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153 ngx_mail_auth_http_init(ngx_mail_session_t *s)
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154 {
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155 ngx_int_t rc;
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156 ngx_pool_t *pool;
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157 ngx_mail_auth_http_ctx_t *ctx;
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158 ngx_mail_auth_http_conf_t *ahcf;
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159
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160 s->connection->log->action = "in http auth state";
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161
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162 pool = ngx_create_pool(2048, s->connection->log);
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163 if (pool == NULL) {
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164 ngx_mail_session_internal_server_error(s);
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165 return;
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166 }
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167
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168 ctx = ngx_pcalloc(pool, sizeof(ngx_mail_auth_http_ctx_t));
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169 if (ctx == NULL) {
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170 ngx_destroy_pool(pool);
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171 ngx_mail_session_internal_server_error(s);
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172 return;
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173 }
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174
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175 ctx->pool = pool;
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176
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177 ahcf = ngx_mail_get_module_srv_conf(s, ngx_mail_auth_http_module);
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178
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179 ctx->request = ngx_mail_auth_http_create_request(s, pool, ahcf);
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180 if (ctx->request == NULL) {
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181 ngx_destroy_pool(ctx->pool);
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182 ngx_mail_session_internal_server_error(s);
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183 return;
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184 }
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185
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186 ngx_mail_set_ctx(s, ctx, ngx_mail_auth_http_module);
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187
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188 ctx->peer.sockaddr = ahcf->peer->sockaddr;
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189 ctx->peer.socklen = ahcf->peer->socklen;
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190 ctx->peer.name = &ahcf->peer->name;
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191 ctx->peer.get = ngx_event_get_peer;
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192 ctx->peer.log = s->connection->log;
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193 ctx->peer.log_error = NGX_ERROR_ERR;
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194
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195 rc = ngx_event_connect_peer(&ctx->peer);
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196
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197 if (rc == NGX_ERROR || rc == NGX_BUSY || rc == NGX_DECLINED) {
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198 if (ctx->peer.connection) {
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199 ngx_close_connection(ctx->peer.connection);
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200 }
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201
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202 ngx_destroy_pool(ctx->pool);
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203 ngx_mail_session_internal_server_error(s);
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204 return;
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205 }
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206
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207 ctx->peer.connection->data = s;
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208 ctx->peer.connection->pool = s->connection->pool;
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209
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210 s->connection->read->handler = ngx_mail_auth_http_block_read;
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211 ctx->peer.connection->read->handler = ngx_mail_auth_http_read_handler;
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212 ctx->peer.connection->write->handler = ngx_mail_auth_http_write_handler;
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213
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214 ctx->handler = ngx_mail_auth_http_ignore_status_line;
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215
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216 ngx_add_timer(ctx->peer.connection->read, ahcf->timeout);
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217 ngx_add_timer(ctx->peer.connection->write, ahcf->timeout);
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218
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219 if (rc == NGX_OK) {
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220 ngx_mail_auth_http_write_handler(ctx->peer.connection->write);
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221 return;
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222 }
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223 }
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224
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225
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226 static void
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227 ngx_mail_auth_http_write_handler(ngx_event_t *wev)
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228 {
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229 ssize_t n, size;
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230 ngx_connection_t *c;
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231 ngx_mail_session_t *s;
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232 ngx_mail_auth_http_ctx_t *ctx;
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233 ngx_mail_auth_http_conf_t *ahcf;
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234
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235 c = wev->data;
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236 s = c->data;
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237
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238 ctx = ngx_mail_get_module_ctx(s, ngx_mail_auth_http_module);
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239
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240 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, wev->log, 0,
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241 "mail auth http write handler");
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242
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243 if (wev->timedout) {
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244 ngx_log_error(NGX_LOG_ERR, wev->log, NGX_ETIMEDOUT,
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245 "auth http server %V timed out", ctx->peer.name);
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336
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246 ngx_close_connection(c);
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290
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247 ngx_destroy_pool(ctx->pool);
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248 ngx_mail_session_internal_server_error(s);
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249 return;
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250 }
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251
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252 size = ctx->request->last - ctx->request->pos;
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253
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254 n = ngx_send(c, ctx->request->pos, size);
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255
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256 if (n == NGX_ERROR) {
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336
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257 ngx_close_connection(c);
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290
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258 ngx_destroy_pool(ctx->pool);
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259 ngx_mail_session_internal_server_error(s);
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260 return;
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261 }
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262
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263 if (n > 0) {
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264 ctx->request->pos += n;
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265
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266 if (n == size) {
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267 wev->handler = ngx_mail_auth_http_dummy_handler;
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268
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269 if (wev->timer_set) {
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270 ngx_del_timer(wev);
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271 }
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272
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430
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273 if (ngx_handle_write_event(wev, 0) != NGX_OK) {
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336
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274 ngx_close_connection(c);
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290
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275 ngx_destroy_pool(ctx->pool);
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276 ngx_mail_session_internal_server_error(s);
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277 }
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278
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279 return;
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280 }
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281 }
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282
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283 if (!wev->timer_set) {
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284 ahcf = ngx_mail_get_module_srv_conf(s, ngx_mail_auth_http_module);
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285 ngx_add_timer(wev, ahcf->timeout);
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286 }
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287 }
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288
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289
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290 static void
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291 ngx_mail_auth_http_read_handler(ngx_event_t *rev)
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292 {
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293 ssize_t n, size;
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294 ngx_connection_t *c;
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295 ngx_mail_session_t *s;
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296 ngx_mail_auth_http_ctx_t *ctx;
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297
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298 c = rev->data;
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299 s = c->data;
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300
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301 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0,
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302 "mail auth http read handler");
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303
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304 ctx = ngx_mail_get_module_ctx(s, ngx_mail_auth_http_module);
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305
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306 if (rev->timedout) {
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307 ngx_log_error(NGX_LOG_ERR, rev->log, NGX_ETIMEDOUT,
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308 "auth http server %V timed out", ctx->peer.name);
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336
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309 ngx_close_connection(c);
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290
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310 ngx_destroy_pool(ctx->pool);
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311 ngx_mail_session_internal_server_error(s);
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312 return;
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313 }
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314
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315 if (ctx->response == NULL) {
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316 ctx->response = ngx_create_temp_buf(ctx->pool, 1024);
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317 if (ctx->response == NULL) {
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336
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318 ngx_close_connection(c);
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290
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319 ngx_destroy_pool(ctx->pool);
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320 ngx_mail_session_internal_server_error(s);
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321 return;
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322 }
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323 }
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324
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325 size = ctx->response->end - ctx->response->last;
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326
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327 n = ngx_recv(c, ctx->response->pos, size);
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328
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329 if (n > 0) {
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330 ctx->response->last += n;
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331
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332 ctx->handler(s, ctx);
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333 return;
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334 }
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335
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336 if (n == NGX_AGAIN) {
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337 return;
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338 }
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339
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336
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340 ngx_close_connection(c);
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290
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341 ngx_destroy_pool(ctx->pool);
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342 ngx_mail_session_internal_server_error(s);
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343 }
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344
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345
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346 static void
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347 ngx_mail_auth_http_ignore_status_line(ngx_mail_session_t *s,
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348 ngx_mail_auth_http_ctx_t *ctx)
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349 {
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350 u_char *p, ch;
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351 enum {
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352 sw_start = 0,
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353 sw_H,
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354 sw_HT,
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355 sw_HTT,
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356 sw_HTTP,
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357 sw_skip,
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358 sw_almost_done
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359 } state;
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360
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361 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, s->connection->log, 0,
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362 "mail auth http process status line");
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363
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364 state = ctx->state;
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365
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366 for (p = ctx->response->pos; p < ctx->response->last; p++) {
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367 ch = *p;
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368
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369 switch (state) {
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370
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371 /* "HTTP/" */
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372 case sw_start:
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373 if (ch == 'H') {
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374 state = sw_H;
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375 break;
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376 }
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377 goto next;
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378
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379 case sw_H:
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380 if (ch == 'T') {
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381 state = sw_HT;
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382 break;
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383 }
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384 goto next;
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385
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386 case sw_HT:
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387 if (ch == 'T') {
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388 state = sw_HTT;
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389 break;
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390 }
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391 goto next;
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392
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393 case sw_HTT:
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394 if (ch == 'P') {
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395 state = sw_HTTP;
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396 break;
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397 }
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398 goto next;
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399
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400 case sw_HTTP:
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401 if (ch == '/') {
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|
|
402 state = sw_skip;
|
|
|
403 break;
|
|
|
404 }
|
|
|
405 goto next;
|
|
|
406
|
|
|
407 /* any text until end of line */
|
|
|
408 case sw_skip:
|
|
|
409 switch (ch) {
|
|
|
410 case CR:
|
|
|
411 state = sw_almost_done;
|
|
|
412
|
|
|
413 break;
|
|
|
414 case LF:
|
|
|
415 goto done;
|
|
|
416 }
|
|
|
417 break;
|
|
|
418
|
|
|
419 /* end of status line */
|
|
|
420 case sw_almost_done:
|
|
|
421 if (ch == LF) {
|
|
|
422 goto done;
|
|
|
423 }
|
|
|
424
|
|
|
425 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
|
|
426 "auth http server &V sent invalid response",
|
|
|
427 ctx->peer.name);
|
|
|
428 ngx_close_connection(ctx->peer.connection);
|
|
|
429 ngx_destroy_pool(ctx->pool);
|
|
|
430 ngx_mail_session_internal_server_error(s);
|
|
|
431 return;
|
|
|
432 }
|
|
|
433 }
|
|
|
434
|
|
|
435 ctx->response->pos = p;
|
|
|
436 ctx->state = state;
|
|
|
437
|
|
|
438 return;
|
|
|
439
|
|
|
440 next:
|
|
|
441
|
|
|
442 p = ctx->response->start - 1;
|
|
|
443
|
|
|
444 done:
|
|
|
445
|
|
|
446 ctx->response->pos = p + 1;
|
|
|
447 ctx->state = 0;
|
|
|
448 ctx->handler = ngx_mail_auth_http_process_headers;
|
|
|
449 ctx->handler(s, ctx);
|
|
|
450 }
|
|
|
451
|
|
|
452
|
|
|
453 static void
|
|
|
454 ngx_mail_auth_http_process_headers(ngx_mail_session_t *s,
|
|
|
455 ngx_mail_auth_http_ctx_t *ctx)
|
|
|
456 {
|
|
|
457 u_char *p;
|
|
|
458 time_t timer;
|
|
|
459 size_t len, size;
|
|
|
460 ngx_int_t rc, port, n;
|
|
540
|
461 ngx_addr_t *peer;
|
|
290
|
462 struct sockaddr_in *sin;
|
|
|
463
|
|
|
464 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, s->connection->log, 0,
|
|
|
465 "mail auth http process headers");
|
|
|
466
|
|
|
467 for ( ;; ) {
|
|
|
468 rc = ngx_mail_auth_http_parse_header_line(s, ctx);
|
|
|
469
|
|
|
470 if (rc == NGX_OK) {
|
|
|
471
|
|
|
472 #if (NGX_DEBUG)
|
|
|
473 {
|
|
|
474 ngx_str_t key, value;
|
|
|
475
|
|
|
476 key.len = ctx->header_name_end - ctx->header_name_start;
|
|
|
477 key.data = ctx->header_name_start;
|
|
|
478 value.len = ctx->header_end - ctx->header_start;
|
|
|
479 value.data = ctx->header_start;
|
|
|
480
|
|
|
481 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, s->connection->log, 0,
|
|
|
482 "mail auth http header: \"%V: %V\"",
|
|
|
483 &key, &value);
|
|
|
484 }
|
|
|
485 #endif
|
|
|
486
|
|
|
487 len = ctx->header_name_end - ctx->header_name_start;
|
|
|
488
|
|
|
489 if (len == sizeof("Auth-Status") - 1
|
|
|
490 && ngx_strncasecmp(ctx->header_name_start,
|
|
|
491 (u_char *) "Auth-Status",
|
|
|
492 sizeof("Auth-Status") - 1)
|
|
|
493 == 0)
|
|
|
494 {
|
|
|
495 len = ctx->header_end - ctx->header_start;
|
|
|
496
|
|
|
497 if (len == 2
|
|
|
498 && ctx->header_start[0] == 'O'
|
|
|
499 && ctx->header_start[1] == 'K')
|
|
|
500 {
|
|
|
501 continue;
|
|
|
502 }
|
|
|
503
|
|
|
504 if (len == 4
|
|
|
505 && ctx->header_start[0] == 'W'
|
|
|
506 && ctx->header_start[1] == 'A'
|
|
|
507 && ctx->header_start[2] == 'I'
|
|
|
508 && ctx->header_start[3] == 'T')
|
|
|
509 {
|
|
|
510 s->auth_wait = 1;
|
|
|
511 continue;
|
|
|
512 }
|
|
|
513
|
|
|
514 ctx->errmsg.len = len;
|
|
|
515 ctx->errmsg.data = ctx->header_start;
|
|
|
516
|
|
|
517 switch (s->protocol) {
|
|
|
518
|
|
|
519 case NGX_MAIL_POP3_PROTOCOL:
|
|
|
520 size = sizeof("-ERR ") - 1 + len + sizeof(CRLF) - 1;
|
|
|
521 break;
|
|
|
522
|
|
|
523 case NGX_MAIL_IMAP_PROTOCOL:
|
|
|
524 size = s->tag.len + sizeof("NO ") - 1 + len
|
|
|
525 + sizeof(CRLF) - 1;
|
|
|
526 break;
|
|
|
527
|
|
|
528 default: /* NGX_MAIL_SMTP_PROTOCOL */
|
|
|
529 ctx->err = ctx->errmsg;
|
|
|
530 continue;
|
|
|
531 }
|
|
|
532
|
|
384
|
533 p = ngx_pnalloc(s->connection->pool, size);
|
|
290
|
534 if (p == NULL) {
|
|
|
535 ngx_close_connection(ctx->peer.connection);
|
|
|
536 ngx_destroy_pool(ctx->pool);
|
|
|
537 ngx_mail_session_internal_server_error(s);
|
|
|
538 return;
|
|
|
539 }
|
|
|
540
|
|
|
541 ctx->err.data = p;
|
|
|
542
|
|
|
543 switch (s->protocol) {
|
|
|
544
|
|
|
545 case NGX_MAIL_POP3_PROTOCOL:
|
|
|
546 *p++ = '-'; *p++ = 'E'; *p++ = 'R'; *p++ = 'R'; *p++ = ' ';
|
|
|
547 break;
|
|
|
548
|
|
|
549 case NGX_MAIL_IMAP_PROTOCOL:
|
|
|
550 p = ngx_cpymem(p, s->tag.data, s->tag.len);
|
|
|
551 *p++ = 'N'; *p++ = 'O'; *p++ = ' ';
|
|
|
552 break;
|
|
|
553
|
|
|
554 default: /* NGX_MAIL_SMTP_PROTOCOL */
|
|
|
555 break;
|
|
|
556 }
|
|
|
557
|
|
|
558 p = ngx_cpymem(p, ctx->header_start, len);
|
|
|
559 *p++ = CR; *p++ = LF;
|
|
|
560
|
|
|
561 ctx->err.len = p - ctx->err.data;
|
|
|
562
|
|
|
563 continue;
|
|
|
564 }
|
|
|
565
|
|
|
566 if (len == sizeof("Auth-Server") - 1
|
|
|
567 && ngx_strncasecmp(ctx->header_name_start,
|
|
|
568 (u_char *) "Auth-Server",
|
|
|
569 sizeof("Auth-Server") - 1)
|
|
|
570 == 0)
|
|
|
571 {
|
|
|
572 ctx->addr.len = ctx->header_end - ctx->header_start;
|
|
|
573 ctx->addr.data = ctx->header_start;
|
|
|
574
|
|
|
575 continue;
|
|
|
576 }
|
|
|
577
|
|
|
578 if (len == sizeof("Auth-Port") - 1
|
|
|
579 && ngx_strncasecmp(ctx->header_name_start,
|
|
|
580 (u_char *) "Auth-Port",
|
|
|
581 sizeof("Auth-Port") - 1)
|
|
|
582 == 0)
|
|
|
583 {
|
|
|
584 ctx->port.len = ctx->header_end - ctx->header_start;
|
|
|
585 ctx->port.data = ctx->header_start;
|
|
|
586
|
|
|
587 continue;
|
|
|
588 }
|
|
|
589
|
|
|
590 if (len == sizeof("Auth-User") - 1
|
|
|
591 && ngx_strncasecmp(ctx->header_name_start,
|
|
|
592 (u_char *) "Auth-User",
|
|
|
593 sizeof("Auth-User") - 1)
|
|
|
594 == 0)
|
|
|
595 {
|
|
|
596 s->login.len = ctx->header_end - ctx->header_start;
|
|
|
597
|
|
382
|
598 s->login.data = ngx_pnalloc(s->connection->pool, s->login.len);
|
|
290
|
599 if (s->login.data == NULL) {
|
|
|
600 ngx_close_connection(ctx->peer.connection);
|
|
|
601 ngx_destroy_pool(ctx->pool);
|
|
|
602 ngx_mail_session_internal_server_error(s);
|
|
|
603 return;
|
|
|
604 }
|
|
|
605
|
|
|
606 ngx_memcpy(s->login.data, ctx->header_start, s->login.len);
|
|
|
607
|
|
|
608 continue;
|
|
|
609 }
|
|
|
610
|
|
|
611 if (len == sizeof("Auth-Pass") - 1
|
|
|
612 && ngx_strncasecmp(ctx->header_name_start,
|
|
|
613 (u_char *) "Auth-Pass",
|
|
|
614 sizeof("Auth-Pass") - 1)
|
|
|
615 == 0)
|
|
|
616 {
|
|
|
617 s->passwd.len = ctx->header_end - ctx->header_start;
|
|
|
618
|
|
382
|
619 s->passwd.data = ngx_pnalloc(s->connection->pool,
|
|
|
620 s->passwd.len);
|
|
290
|
621 if (s->passwd.data == NULL) {
|
|
|
622 ngx_close_connection(ctx->peer.connection);
|
|
|
623 ngx_destroy_pool(ctx->pool);
|
|
|
624 ngx_mail_session_internal_server_error(s);
|
|
|
625 return;
|
|
|
626 }
|
|
|
627
|
|
|
628 ngx_memcpy(s->passwd.data, ctx->header_start, s->passwd.len);
|
|
|
629
|
|
|
630 continue;
|
|
|
631 }
|
|
|
632
|
|
|
633 if (len == sizeof("Auth-Wait") - 1
|
|
|
634 && ngx_strncasecmp(ctx->header_name_start,
|
|
|
635 (u_char *) "Auth-Wait",
|
|
|
636 sizeof("Auth-Wait") - 1)
|
|
|
637 == 0)
|
|
|
638 {
|
|
|
639 n = ngx_atoi(ctx->header_start,
|
|
|
640 ctx->header_end - ctx->header_start);
|
|
|
641
|
|
|
642 if (n != NGX_ERROR) {
|
|
|
643 ctx->sleep = n;
|
|
|
644 }
|
|
|
645
|
|
|
646 continue;
|
|
|
647 }
|
|
|
648
|
|
|
649 if (len == sizeof("Auth-Error-Code") - 1
|
|
|
650 && ngx_strncasecmp(ctx->header_name_start,
|
|
|
651 (u_char *) "Auth-Error-Code",
|
|
|
652 sizeof("Auth-Error-Code") - 1)
|
|
|
653 == 0)
|
|
|
654 {
|
|
|
655 ctx->errcode.len = ctx->header_end - ctx->header_start;
|
|
|
656
|
|
382
|
657 ctx->errcode.data = ngx_pnalloc(s->connection->pool,
|
|
|
658 ctx->errcode.len);
|
|
290
|
659 if (ctx->errcode.data == NULL) {
|
|
|
660 ngx_close_connection(ctx->peer.connection);
|
|
|
661 ngx_destroy_pool(ctx->pool);
|
|
|
662 ngx_mail_session_internal_server_error(s);
|
|
|
663 return;
|
|
|
664 }
|
|
|
665
|
|
|
666 ngx_memcpy(ctx->errcode.data, ctx->header_start,
|
|
|
667 ctx->errcode.len);
|
|
|
668
|
|
|
669 continue;
|
|
|
670 }
|
|
|
671
|
|
|
672 /* ignore other headers */
|
|
|
673
|
|
|
674 continue;
|
|
|
675 }
|
|
|
676
|
|
|
677 if (rc == NGX_DONE) {
|
|
|
678 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, s->connection->log, 0,
|
|
|
679 "mail auth http header done");
|
|
|
680
|
|
|
681 ngx_close_connection(ctx->peer.connection);
|
|
|
682
|
|
|
683 if (ctx->err.len) {
|
|
|
684
|
|
|
685 ngx_log_error(NGX_LOG_INFO, s->connection->log, 0,
|
|
|
686 "client login failed: \"%V\"", &ctx->errmsg);
|
|
|
687
|
|
|
688 if (s->protocol == NGX_MAIL_SMTP_PROTOCOL) {
|
|
|
689
|
|
|
690 if (ctx->errcode.len == 0) {
|
|
|
691 ctx->errcode = ngx_mail_smtp_errcode;
|
|
|
692 }
|
|
|
693
|
|
|
694 ctx->err.len = ctx->errcode.len + ctx->errmsg.len
|
|
|
695 + sizeof(" " CRLF) - 1;
|
|
|
696
|
|
382
|
697 p = ngx_pnalloc(s->connection->pool, ctx->err.len);
|
|
296
|
698 if (p == NULL) {
|
|
|
699 ngx_close_connection(ctx->peer.connection);
|
|
|
700 ngx_destroy_pool(ctx->pool);
|
|
|
701 ngx_mail_session_internal_server_error(s);
|
|
|
702 return;
|
|
|
703 }
|
|
290
|
704
|
|
296
|
705 ctx->err.data = p;
|
|
290
|
706
|
|
296
|
707 p = ngx_cpymem(p, ctx->errcode.data, ctx->errcode.len);
|
|
290
|
708 *p++ = ' ';
|
|
296
|
709 p = ngx_cpymem(p, ctx->errmsg.data, ctx->errmsg.len);
|
|
290
|
710 *p++ = CR; *p = LF;
|
|
|
711 }
|
|
|
712
|
|
|
713 s->out = ctx->err;
|
|
|
714 timer = ctx->sleep;
|
|
|
715
|
|
|
716 ngx_destroy_pool(ctx->pool);
|
|
|
717
|
|
|
718 if (timer == 0) {
|
|
|
719 s->quit = 1;
|
|
|
720 ngx_mail_send(s->connection->write);
|
|
|
721 return;
|
|
|
722 }
|
|
|
723
|
|
346
|
724 ngx_add_timer(s->connection->read, (ngx_msec_t) (timer * 1000));
|
|
290
|
725
|
|
|
726 s->connection->read->handler = ngx_mail_auth_sleep_handler;
|
|
|
727
|
|
|
728 return;
|
|
|
729 }
|
|
|
730
|
|
|
731 if (s->auth_wait) {
|
|
|
732 timer = ctx->sleep;
|
|
|
733
|
|
|
734 ngx_destroy_pool(ctx->pool);
|
|
|
735
|
|
|
736 if (timer == 0) {
|
|
|
737 ngx_mail_auth_http_init(s);
|
|
|
738 return;
|
|
|
739 }
|
|
|
740
|
|
346
|
741 ngx_add_timer(s->connection->read, (ngx_msec_t) (timer * 1000));
|
|
290
|
742
|
|
|
743 s->connection->read->handler = ngx_mail_auth_sleep_handler;
|
|
|
744
|
|
|
745 return;
|
|
|
746 }
|
|
|
747
|
|
|
748 if (ctx->addr.len == 0 || ctx->port.len == 0) {
|
|
|
749 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
|
|
750 "auth http server %V did not send server or port",
|
|
|
751 ctx->peer.name);
|
|
|
752 ngx_destroy_pool(ctx->pool);
|
|
|
753 ngx_mail_session_internal_server_error(s);
|
|
|
754 return;
|
|
|
755 }
|
|
|
756
|
|
336
|
757 if (s->passwd.data == NULL
|
|
|
758 && s->protocol != NGX_MAIL_SMTP_PROTOCOL)
|
|
290
|
759 {
|
|
|
760 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
|
|
761 "auth http server %V did not send password",
|
|
|
762 ctx->peer.name);
|
|
|
763 ngx_destroy_pool(ctx->pool);
|
|
|
764 ngx_mail_session_internal_server_error(s);
|
|
|
765 return;
|
|
|
766 }
|
|
|
767
|
|
540
|
768 peer = ngx_pcalloc(s->connection->pool, sizeof(ngx_addr_t));
|
|
290
|
769 if (peer == NULL) {
|
|
|
770 ngx_destroy_pool(ctx->pool);
|
|
|
771 ngx_mail_session_internal_server_error(s);
|
|
|
772 return;
|
|
|
773 }
|
|
|
774
|
|
492
|
775 /* AF_INET only */
|
|
|
776
|
|
290
|
777 sin = ngx_pcalloc(s->connection->pool, sizeof(struct sockaddr_in));
|
|
|
778 if (sin == NULL) {
|
|
|
779 ngx_destroy_pool(ctx->pool);
|
|
|
780 ngx_mail_session_internal_server_error(s);
|
|
|
781 return;
|
|
|
782 }
|
|
|
783
|
|
|
784 sin->sin_family = AF_INET;
|
|
|
785
|
|
|
786 port = ngx_atoi(ctx->port.data, ctx->port.len);
|
|
646
|
787 if (port == NGX_ERROR || port < 1 || port > 65535) {
|
|
290
|
788 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
|
|
789 "auth http server %V sent invalid server "
|
|
|
790 "port:\"%V\"",
|
|
|
791 ctx->peer.name, &ctx->port);
|
|
|
792 ngx_destroy_pool(ctx->pool);
|
|
|
793 ngx_mail_session_internal_server_error(s);
|
|
|
794 return;
|
|
|
795 }
|
|
|
796
|
|
|
797 sin->sin_port = htons((in_port_t) port);
|
|
|
798
|
|
540
|
799 sin->sin_addr.s_addr = ngx_inet_addr(ctx->addr.data, ctx->addr.len);
|
|
290
|
800 if (sin->sin_addr.s_addr == INADDR_NONE) {
|
|
|
801 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
|
|
802 "auth http server %V sent invalid server "
|
|
|
803 "address:\"%V\"",
|
|
|
804 ctx->peer.name, &ctx->addr);
|
|
|
805 ngx_destroy_pool(ctx->pool);
|
|
|
806 ngx_mail_session_internal_server_error(s);
|
|
|
807 return;
|
|
|
808 }
|
|
|
809
|
|
|
810 peer->sockaddr = (struct sockaddr *) sin;
|
|
|
811 peer->socklen = sizeof(struct sockaddr_in);
|
|
|
812
|
|
|
813 len = ctx->addr.len + 1 + ctx->port.len;
|
|
|
814
|
|
|
815 peer->name.len = len;
|
|
|
816
|
|
382
|
817 peer->name.data = ngx_pnalloc(s->connection->pool, len);
|
|
290
|
818 if (peer->name.data == NULL) {
|
|
|
819 ngx_destroy_pool(ctx->pool);
|
|
|
820 ngx_mail_session_internal_server_error(s);
|
|
|
821 return;
|
|
|
822 }
|
|
|
823
|
|
|
824 len = ctx->addr.len;
|
|
|
825
|
|
|
826 ngx_memcpy(peer->name.data, ctx->addr.data, len);
|
|
|
827
|
|
|
828 peer->name.data[len++] = ':';
|
|
|
829
|
|
|
830 ngx_memcpy(peer->name.data + len, ctx->port.data, ctx->port.len);
|
|
|
831
|
|
|
832 ngx_destroy_pool(ctx->pool);
|
|
|
833 ngx_mail_proxy_init(s, peer);
|
|
|
834
|
|
|
835 return;
|
|
|
836 }
|
|
|
837
|
|
|
838 if (rc == NGX_AGAIN ) {
|
|
|
839 return;
|
|
|
840 }
|
|
|
841
|
|
|
842 /* rc == NGX_ERROR */
|
|
|
843
|
|
|
844 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
|
|
845 "auth http server %V sent invalid header in response",
|
|
|
846 ctx->peer.name);
|
|
|
847 ngx_close_connection(ctx->peer.connection);
|
|
|
848 ngx_destroy_pool(ctx->pool);
|
|
|
849 ngx_mail_session_internal_server_error(s);
|
|
|
850
|
|
|
851 return;
|
|
|
852 }
|
|
|
853 }
|
|
|
854
|
|
|
855
|
|
|
856 static void
|
|
|
857 ngx_mail_auth_sleep_handler(ngx_event_t *rev)
|
|
|
858 {
|
|
|
859 ngx_connection_t *c;
|
|
|
860 ngx_mail_session_t *s;
|
|
|
861 ngx_mail_core_srv_conf_t *cscf;
|
|
|
862
|
|
|
863 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, "mail auth sleep handler");
|
|
|
864
|
|
|
865 c = rev->data;
|
|
|
866 s = c->data;
|
|
|
867
|
|
|
868 if (rev->timedout) {
|
|
|
869
|
|
|
870 rev->timedout = 0;
|
|
|
871
|
|
|
872 if (s->auth_wait) {
|
|
|
873 s->auth_wait = 0;
|
|
|
874 ngx_mail_auth_http_init(s);
|
|
|
875 return;
|
|
|
876 }
|
|
|
877
|
|
336
|
878 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module);
|
|
290
|
879
|
|
336
|
880 rev->handler = cscf->protocol->auth_state;
|
|
290
|
881
|
|
336
|
882 s->mail_state = 0;
|
|
290
|
883 s->auth_method = NGX_MAIL_AUTH_PLAIN;
|
|
|
884
|
|
|
885 c->log->action = "in auth state";
|
|
|
886
|
|
336
|
887 ngx_mail_send(c->write);
|
|
290
|
888
|
|
|
889 if (c->destroyed) {
|
|
|
890 return;
|
|
|
891 }
|
|
|
892
|
|
|
893 ngx_add_timer(rev, cscf->timeout);
|
|
|
894
|
|
|
895 if (rev->ready) {
|
|
336
|
896 rev->handler(rev);
|
|
290
|
897 return;
|
|
|
898 }
|
|
|
899
|
|
430
|
900 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
336
|
901 ngx_mail_close_connection(c);
|
|
290
|
902 }
|
|
|
903
|
|
|
904 return;
|
|
|
905 }
|
|
|
906
|
|
|
907 if (rev->active) {
|
|
430
|
908 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
336
|
909 ngx_mail_close_connection(c);
|
|
290
|
910 }
|
|
|
911 }
|
|
|
912 }
|
|
|
913
|
|
|
914
|
|
|
915 static ngx_int_t
|
|
|
916 ngx_mail_auth_http_parse_header_line(ngx_mail_session_t *s,
|
|
|
917 ngx_mail_auth_http_ctx_t *ctx)
|
|
|
918 {
|
|
|
919 u_char c, ch, *p;
|
|
|
920 enum {
|
|
|
921 sw_start = 0,
|
|
|
922 sw_name,
|
|
|
923 sw_space_before_value,
|
|
|
924 sw_value,
|
|
|
925 sw_space_after_value,
|
|
|
926 sw_almost_done,
|
|
|
927 sw_header_almost_done
|
|
|
928 } state;
|
|
|
929
|
|
|
930 state = ctx->state;
|
|
|
931
|
|
|
932 for (p = ctx->response->pos; p < ctx->response->last; p++) {
|
|
|
933 ch = *p;
|
|
|
934
|
|
|
935 switch (state) {
|
|
|
936
|
|
|
937 /* first char */
|
|
|
938 case sw_start:
|
|
|
939
|
|
|
940 switch (ch) {
|
|
|
941 case CR:
|
|
|
942 ctx->header_end = p;
|
|
|
943 state = sw_header_almost_done;
|
|
|
944 break;
|
|
|
945 case LF:
|
|
|
946 ctx->header_end = p;
|
|
|
947 goto header_done;
|
|
|
948 default:
|
|
|
949 state = sw_name;
|
|
|
950 ctx->header_name_start = p;
|
|
|
951
|
|
|
952 c = (u_char) (ch | 0x20);
|
|
|
953 if (c >= 'a' && c <= 'z') {
|
|
|
954 break;
|
|
|
955 }
|
|
|
956
|
|
|
957 if (ch >= '0' && ch <= '9') {
|
|
|
958 break;
|
|
|
959 }
|
|
|
960
|
|
|
961 return NGX_ERROR;
|
|
|
962 }
|
|
|
963 break;
|
|
|
964
|
|
|
965 /* header name */
|
|
|
966 case sw_name:
|
|
|
967 c = (u_char) (ch | 0x20);
|
|
|
968 if (c >= 'a' && c <= 'z') {
|
|
|
969 break;
|
|
|
970 }
|
|
|
971
|
|
|
972 if (ch == ':') {
|
|
|
973 ctx->header_name_end = p;
|
|
|
974 state = sw_space_before_value;
|
|
|
975 break;
|
|
|
976 }
|
|
|
977
|
|
|
978 if (ch == '-') {
|
|
|
979 break;
|
|
|
980 }
|
|
|
981
|
|
|
982 if (ch >= '0' && ch <= '9') {
|
|
|
983 break;
|
|
|
984 }
|
|
|
985
|
|
|
986 if (ch == CR) {
|
|
|
987 ctx->header_name_end = p;
|
|
|
988 ctx->header_start = p;
|
|
|
989 ctx->header_end = p;
|
|
|
990 state = sw_almost_done;
|
|
|
991 break;
|
|
|
992 }
|
|
|
993
|
|
|
994 if (ch == LF) {
|
|
|
995 ctx->header_name_end = p;
|
|
|
996 ctx->header_start = p;
|
|
|
997 ctx->header_end = p;
|
|
|
998 goto done;
|
|
|
999 }
|
|
|
1000
|
|
|
1001 return NGX_ERROR;
|
|
|
1002
|
|
|
1003 /* space* before header value */
|
|
|
1004 case sw_space_before_value:
|
|
|
1005 switch (ch) {
|
|
|
1006 case ' ':
|
|
|
1007 break;
|
|
|
1008 case CR:
|
|
|
1009 ctx->header_start = p;
|
|
|
1010 ctx->header_end = p;
|
|
|
1011 state = sw_almost_done;
|
|
|
1012 break;
|
|
|
1013 case LF:
|
|
|
1014 ctx->header_start = p;
|
|
|
1015 ctx->header_end = p;
|
|
|
1016 goto done;
|
|
|
1017 default:
|
|
|
1018 ctx->header_start = p;
|
|
|
1019 state = sw_value;
|
|
|
1020 break;
|
|
|
1021 }
|
|
|
1022 break;
|
|
|
1023
|
|
|
1024 /* header value */
|
|
|
1025 case sw_value:
|
|
|
1026 switch (ch) {
|
|
|
1027 case ' ':
|
|
|
1028 ctx->header_end = p;
|
|
|
1029 state = sw_space_after_value;
|
|
|
1030 break;
|
|
|
1031 case CR:
|
|
|
1032 ctx->header_end = p;
|
|
|
1033 state = sw_almost_done;
|
|
|
1034 break;
|
|
|
1035 case LF:
|
|
|
1036 ctx->header_end = p;
|
|
|
1037 goto done;
|
|
|
1038 }
|
|
|
1039 break;
|
|
|
1040
|
|
|
1041 /* space* before end of header line */
|
|
|
1042 case sw_space_after_value:
|
|
|
1043 switch (ch) {
|
|
|
1044 case ' ':
|
|
|
1045 break;
|
|
|
1046 case CR:
|
|
|
1047 state = sw_almost_done;
|
|
|
1048 break;
|
|
|
1049 case LF:
|
|
|
1050 goto done;
|
|
|
1051 default:
|
|
|
1052 state = sw_value;
|
|
|
1053 break;
|
|
|
1054 }
|
|
|
1055 break;
|
|
|
1056
|
|
|
1057 /* end of header line */
|
|
|
1058 case sw_almost_done:
|
|
|
1059 switch (ch) {
|
|
|
1060 case LF:
|
|
|
1061 goto done;
|
|
|
1062 default:
|
|
|
1063 return NGX_ERROR;
|
|
|
1064 }
|
|
|
1065
|
|
|
1066 /* end of header */
|
|
|
1067 case sw_header_almost_done:
|
|
|
1068 switch (ch) {
|
|
|
1069 case LF:
|
|
|
1070 goto header_done;
|
|
|
1071 default:
|
|
|
1072 return NGX_ERROR;
|
|
|
1073 }
|
|
|
1074 }
|
|
|
1075 }
|
|
|
1076
|
|
|
1077 ctx->response->pos = p;
|
|
|
1078 ctx->state = state;
|
|
|
1079
|
|
|
1080 return NGX_AGAIN;
|
|
|
1081
|
|
|
1082 done:
|
|
|
1083
|
|
|
1084 ctx->response->pos = p + 1;
|
|
|
1085 ctx->state = sw_start;
|
|
|
1086
|
|
|
1087 return NGX_OK;
|
|
|
1088
|
|
|
1089 header_done:
|
|
|
1090
|
|
|
1091 ctx->response->pos = p + 1;
|
|
|
1092 ctx->state = sw_start;
|
|
|
1093
|
|
|
1094 return NGX_DONE;
|
|
|
1095 }
|
|
|
1096
|
|
|
1097
|
|
|
1098 static void
|
|
|
1099 ngx_mail_auth_http_block_read(ngx_event_t *rev)
|
|
|
1100 {
|
|
|
1101 ngx_connection_t *c;
|
|
|
1102 ngx_mail_session_t *s;
|
|
|
1103 ngx_mail_auth_http_ctx_t *ctx;
|
|
|
1104
|
|
|
1105 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0,
|
|
|
1106 "mail auth http block read");
|
|
|
1107
|
|
430
|
1108 if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
290
|
1109 c = rev->data;
|
|
|
1110 s = c->data;
|
|
|
1111
|
|
|
1112 ctx = ngx_mail_get_module_ctx(s, ngx_mail_auth_http_module);
|
|
|
1113
|
|
|
1114 ngx_close_connection(ctx->peer.connection);
|
|
|
1115 ngx_destroy_pool(ctx->pool);
|
|
|
1116 ngx_mail_session_internal_server_error(s);
|
|
|
1117 }
|
|
|
1118 }
|
|
|
1119
|
|
|
1120
|
|
|
1121 static void
|
|
|
1122 ngx_mail_auth_http_dummy_handler(ngx_event_t *ev)
|
|
|
1123 {
|
|
|
1124 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, ev->log, 0,
|
|
|
1125 "mail auth http dummy handler");
|
|
|
1126 }
|
|
|
1127
|
|
|
1128
|
|
|
1129 static ngx_buf_t *
|
|
|
1130 ngx_mail_auth_http_create_request(ngx_mail_session_t *s, ngx_pool_t *pool,
|
|
|
1131 ngx_mail_auth_http_conf_t *ahcf)
|
|
|
1132 {
|
|
336
|
1133 size_t len;
|
|
|
1134 ngx_buf_t *b;
|
|
|
1135 ngx_str_t login, passwd;
|
|
|
1136 ngx_mail_core_srv_conf_t *cscf;
|
|
290
|
1137
|
|
|
1138 if (ngx_mail_auth_http_escape(pool, &s->login, &login) != NGX_OK) {
|
|
|
1139 return NULL;
|
|
|
1140 }
|
|
|
1141
|
|
|
1142 if (ngx_mail_auth_http_escape(pool, &s->passwd, &passwd) != NGX_OK) {
|
|
|
1143 return NULL;
|
|
|
1144 }
|
|
|
1145
|
|
336
|
1146 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module);
|
|
|
1147
|
|
290
|
1148 len = sizeof("GET ") - 1 + ahcf->uri.len + sizeof(" HTTP/1.0" CRLF) - 1
|
|
|
1149 + sizeof("Host: ") - 1 + ahcf->host_header.len + sizeof(CRLF) - 1
|
|
|
1150 + sizeof("Auth-Method: ") - 1
|
|
|
1151 + ngx_mail_auth_http_method[s->auth_method].len
|
|
|
1152 + sizeof(CRLF) - 1
|
|
|
1153 + sizeof("Auth-User: ") - 1 + login.len + sizeof(CRLF) - 1
|
|
|
1154 + sizeof("Auth-Pass: ") - 1 + passwd.len + sizeof(CRLF) - 1
|
|
|
1155 + sizeof("Auth-Salt: ") - 1 + s->salt.len
|
|
336
|
1156 + sizeof("Auth-Protocol: ") - 1 + cscf->protocol->name.len
|
|
|
1157 + sizeof(CRLF) - 1
|
|
290
|
1158 + sizeof("Auth-Login-Attempt: ") - 1 + NGX_INT_T_LEN
|
|
|
1159 + sizeof(CRLF) - 1
|
|
|
1160 + sizeof("Client-IP: ") - 1 + s->connection->addr_text.len
|
|
|
1161 + sizeof(CRLF) - 1
|
|
420
|
1162 + sizeof("Client-Host: ") - 1 + s->host.len + sizeof(CRLF) - 1
|
|
|
1163 + sizeof("Auth-SMTP-Helo: ") - 1 + s->smtp_helo.len
|
|
|
1164 + sizeof("Auth-SMTP-From: ") - 1 + s->smtp_from.len
|
|
|
1165 + sizeof("Auth-SMTP-To: ") - 1 + s->smtp_to.len
|
|
318
|
1166 + ahcf->header.len
|
|
290
|
1167 + sizeof(CRLF) - 1;
|
|
|
1168
|
|
|
1169 b = ngx_create_temp_buf(pool, len);
|
|
|
1170 if (b == NULL) {
|
|
|
1171 return NULL;
|
|
|
1172 }
|
|
|
1173
|
|
|
1174 b->last = ngx_cpymem(b->last, "GET ", sizeof("GET ") - 1);
|
|
|
1175 b->last = ngx_copy(b->last, ahcf->uri.data, ahcf->uri.len);
|
|
|
1176 b->last = ngx_cpymem(b->last, " HTTP/1.0" CRLF,
|
|
|
1177 sizeof(" HTTP/1.0" CRLF) - 1);
|
|
|
1178
|
|
|
1179 b->last = ngx_cpymem(b->last, "Host: ", sizeof("Host: ") - 1);
|
|
|
1180 b->last = ngx_copy(b->last, ahcf->host_header.data,
|
|
|
1181 ahcf->host_header.len);
|
|
|
1182 *b->last++ = CR; *b->last++ = LF;
|
|
|
1183
|
|
|
1184 b->last = ngx_cpymem(b->last, "Auth-Method: ",
|
|
|
1185 sizeof("Auth-Method: ") - 1);
|
|
|
1186 b->last = ngx_cpymem(b->last,
|
|
|
1187 ngx_mail_auth_http_method[s->auth_method].data,
|
|
|
1188 ngx_mail_auth_http_method[s->auth_method].len);
|
|
|
1189 *b->last++ = CR; *b->last++ = LF;
|
|
|
1190
|
|
|
1191 b->last = ngx_cpymem(b->last, "Auth-User: ", sizeof("Auth-User: ") - 1);
|
|
|
1192 b->last = ngx_copy(b->last, login.data, login.len);
|
|
|
1193 *b->last++ = CR; *b->last++ = LF;
|
|
|
1194
|
|
|
1195 b->last = ngx_cpymem(b->last, "Auth-Pass: ", sizeof("Auth-Pass: ") - 1);
|
|
|
1196 b->last = ngx_copy(b->last, passwd.data, passwd.len);
|
|
|
1197 *b->last++ = CR; *b->last++ = LF;
|
|
|
1198
|
|
|
1199 if (s->auth_method != NGX_MAIL_AUTH_PLAIN && s->salt.len) {
|
|
|
1200 b->last = ngx_cpymem(b->last, "Auth-Salt: ", sizeof("Auth-Salt: ") - 1);
|
|
|
1201 b->last = ngx_copy(b->last, s->salt.data, s->salt.len);
|
|
|
1202
|
|
|
1203 s->passwd.data = NULL;
|
|
|
1204 }
|
|
|
1205
|
|
|
1206 b->last = ngx_cpymem(b->last, "Auth-Protocol: ",
|
|
|
1207 sizeof("Auth-Protocol: ") - 1);
|
|
336
|
1208 b->last = ngx_cpymem(b->last, cscf->protocol->name.data,
|
|
|
1209 cscf->protocol->name.len);
|
|
290
|
1210 *b->last++ = CR; *b->last++ = LF;
|
|
|
1211
|
|
|
1212 b->last = ngx_sprintf(b->last, "Auth-Login-Attempt: %ui" CRLF,
|
|
|
1213 s->login_attempt);
|
|
|
1214
|
|
|
1215 b->last = ngx_cpymem(b->last, "Client-IP: ", sizeof("Client-IP: ") - 1);
|
|
|
1216 b->last = ngx_copy(b->last, s->connection->addr_text.data,
|
|
420
|
1217 s->connection->addr_text.len);
|
|
290
|
1218 *b->last++ = CR; *b->last++ = LF;
|
|
|
1219
|
|
420
|
1220 if (s->host.len) {
|
|
|
1221 b->last = ngx_cpymem(b->last, "Client-Host: ",
|
|
|
1222 sizeof("Client-Host: ") - 1);
|
|
|
1223 b->last = ngx_copy(b->last, s->host.data, s->host.len);
|
|
|
1224 *b->last++ = CR; *b->last++ = LF;
|
|
|
1225 }
|
|
|
1226
|
|
|
1227 if (s->auth_method == NGX_MAIL_AUTH_NONE) {
|
|
|
1228
|
|
|
1229 /* HELO, MAIL FROM, and RCPT TO can't contain CRLF, no need to escape */
|
|
|
1230
|
|
|
1231 b->last = ngx_cpymem(b->last, "Auth-SMTP-Helo: ",
|
|
|
1232 sizeof("Auth-SMTP-Helo: ") - 1);
|
|
|
1233 b->last = ngx_copy(b->last, s->smtp_helo.data, s->smtp_helo.len);
|
|
|
1234 *b->last++ = CR; *b->last++ = LF;
|
|
|
1235
|
|
|
1236 b->last = ngx_cpymem(b->last, "Auth-SMTP-From: ",
|
|
|
1237 sizeof("Auth-SMTP-From: ") - 1);
|
|
|
1238 b->last = ngx_copy(b->last, s->smtp_from.data, s->smtp_from.len);
|
|
|
1239 *b->last++ = CR; *b->last++ = LF;
|
|
|
1240
|
|
|
1241 b->last = ngx_cpymem(b->last, "Auth-SMTP-To: ",
|
|
|
1242 sizeof("Auth-SMTP-To: ") - 1);
|
|
|
1243 b->last = ngx_copy(b->last, s->smtp_to.data, s->smtp_to.len);
|
|
|
1244 *b->last++ = CR; *b->last++ = LF;
|
|
|
1245
|
|
|
1246 }
|
|
|
1247
|
|
290
|
1248 if (ahcf->header.len) {
|
|
|
1249 b->last = ngx_copy(b->last, ahcf->header.data, ahcf->header.len);
|
|
|
1250 }
|
|
|
1251
|
|
|
1252 /* add "\r\n" at the header end */
|
|
|
1253 *b->last++ = CR; *b->last++ = LF;
|
|
|
1254
|
|
|
1255 #if (NGX_DEBUG_MAIL_PASSWD)
|
|
|
1256 {
|
|
|
1257 ngx_str_t l;
|
|
|
1258
|
|
|
1259 l.len = b->last - b->pos;
|
|
|
1260 l.data = b->pos;
|
|
|
1261 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, s->connection->log, 0,
|
|
|
1262 "mail auth http header:\n\"%V\"", &l);
|
|
|
1263 }
|
|
|
1264 #endif
|
|
|
1265
|
|
|
1266 return b;
|
|
|
1267 }
|
|
|
1268
|
|
|
1269
|
|
|
1270 static ngx_int_t
|
|
|
1271 ngx_mail_auth_http_escape(ngx_pool_t *pool, ngx_str_t *text, ngx_str_t *escaped)
|
|
|
1272 {
|
|
328
|
1273 u_char *p;
|
|
|
1274 uintptr_t n;
|
|
290
|
1275
|
|
328
|
1276 n = ngx_escape_uri(NULL, text->data, text->len, NGX_ESCAPE_MAIL_AUTH);
|
|
290
|
1277
|
|
|
1278 if (n == 0) {
|
|
|
1279 *escaped = *text;
|
|
|
1280 return NGX_OK;
|
|
|
1281 }
|
|
|
1282
|
|
|
1283 escaped->len = text->len + n * 2;
|
|
|
1284
|
|
382
|
1285 p = ngx_pnalloc(pool, escaped->len);
|
|
290
|
1286 if (p == NULL) {
|
|
|
1287 return NGX_ERROR;
|
|
|
1288 }
|
|
|
1289
|
|
328
|
1290 (void) ngx_escape_uri(p, text->data, text->len, NGX_ESCAPE_MAIL_AUTH);
|
|
290
|
1291
|
|
328
|
1292 escaped->data = p;
|
|
290
|
1293
|
|
|
1294 return NGX_OK;
|
|
|
1295 }
|
|
|
1296
|
|
|
1297
|
|
|
1298 static void *
|
|
|
1299 ngx_mail_auth_http_create_conf(ngx_conf_t *cf)
|
|
|
1300 {
|
|
|
1301 ngx_mail_auth_http_conf_t *ahcf;
|
|
|
1302
|
|
|
1303 ahcf = ngx_pcalloc(cf->pool, sizeof(ngx_mail_auth_http_conf_t));
|
|
|
1304 if (ahcf == NULL) {
|
|
496
|
1305 return NULL;
|
|
290
|
1306 }
|
|
|
1307
|
|
|
1308 ahcf->timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1309
|
|
326
|
1310 ahcf->file = cf->conf_file->file.name.data;
|
|
|
1311 ahcf->line = cf->conf_file->line;
|
|
|
1312
|
|
290
|
1313 return ahcf;
|
|
|
1314 }
|
|
|
1315
|
|
|
1316
|
|
|
1317 static char *
|
|
|
1318 ngx_mail_auth_http_merge_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1319 {
|
|
|
1320 ngx_mail_auth_http_conf_t *prev = parent;
|
|
|
1321 ngx_mail_auth_http_conf_t *conf = child;
|
|
|
1322
|
|
|
1323 u_char *p;
|
|
|
1324 size_t len;
|
|
|
1325 ngx_uint_t i;
|
|
|
1326 ngx_table_elt_t *header;
|
|
|
1327
|
|
|
1328 if (conf->peer == NULL) {
|
|
|
1329 conf->peer = prev->peer;
|
|
|
1330 conf->host_header = prev->host_header;
|
|
|
1331 conf->uri = prev->uri;
|
|
326
|
1332
|
|
|
1333 if (conf->peer == NULL) {
|
|
|
1334 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
684
|
1335 "no \"auth_http\" is defined for server in %s:%ui",
|
|
326
|
1336 conf->file, conf->line);
|
|
|
1337
|
|
|
1338 return NGX_CONF_ERROR;
|
|
|
1339 }
|
|
290
|
1340 }
|
|
|
1341
|
|
|
1342 ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 60000);
|
|
|
1343
|
|
|
1344 if (conf->headers == NULL) {
|
|
|
1345 conf->headers = prev->headers;
|
|
|
1346 conf->header = prev->header;
|
|
|
1347 }
|
|
|
1348
|
|
|
1349 if (conf->headers && conf->header.len == 0) {
|
|
|
1350 len = 0;
|
|
|
1351 header = conf->headers->elts;
|
|
|
1352 for (i = 0; i < conf->headers->nelts; i++) {
|
|
|
1353 len += header[i].key.len + 2 + header[i].value.len + 2;
|
|
|
1354 }
|
|
|
1355
|
|
382
|
1356 p = ngx_pnalloc(cf->pool, len);
|
|
290
|
1357 if (p == NULL) {
|
|
|
1358 return NGX_CONF_ERROR;
|
|
|
1359 }
|
|
|
1360
|
|
|
1361 conf->header.len = len;
|
|
|
1362 conf->header.data = p;
|
|
|
1363
|
|
|
1364 for (i = 0; i < conf->headers->nelts; i++) {
|
|
|
1365 p = ngx_cpymem(p, header[i].key.data, header[i].key.len);
|
|
|
1366 *p++ = ':'; *p++ = ' ';
|
|
|
1367 p = ngx_cpymem(p, header[i].value.data, header[i].value.len);
|
|
|
1368 *p++ = CR; *p++ = LF;
|
|
|
1369 }
|
|
|
1370 }
|
|
|
1371
|
|
|
1372 return NGX_CONF_OK;
|
|
|
1373 }
|
|
|
1374
|
|
|
1375
|
|
|
1376 static char *
|
|
|
1377 ngx_mail_auth_http(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1378 {
|
|
|
1379 ngx_mail_auth_http_conf_t *ahcf = conf;
|
|
|
1380
|
|
|
1381 ngx_str_t *value;
|
|
|
1382 ngx_url_t u;
|
|
|
1383
|
|
|
1384 value = cf->args->elts;
|
|
|
1385
|
|
|
1386 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
|
1387
|
|
|
1388 u.url = value[1];
|
|
|
1389 u.default_port = 80;
|
|
|
1390 u.uri_part = 1;
|
|
|
1391 u.one_addr = 1;
|
|
|
1392
|
|
326
|
1393 if (ngx_strncmp(u.url.data, "http://", 7) == 0) {
|
|
|
1394 u.url.len -= 7;
|
|
|
1395 u.url.data += 7;
|
|
|
1396 }
|
|
|
1397
|
|
340
|
1398 if (ngx_parse_url(cf->pool, &u) != NGX_OK) {
|
|
290
|
1399 if (u.err) {
|
|
|
1400 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1401 "%s in auth_http \"%V\"", u.err, &u.url);
|
|
|
1402 }
|
|
326
|
1403
|
|
|
1404 return NGX_CONF_ERROR;
|
|
290
|
1405 }
|
|
|
1406
|
|
|
1407 ahcf->peer = u.addrs;
|
|
|
1408
|
|
560
|
1409 if (u.family != AF_UNIX) {
|
|
|
1410 ahcf->host_header = u.host;
|
|
|
1411
|
|
|
1412 } else {
|
|
570
|
1413 ngx_str_set(&ahcf->host_header, "localhost");
|
|
560
|
1414 }
|
|
|
1415
|
|
290
|
1416 ahcf->uri = u.uri;
|
|
|
1417
|
|
|
1418 if (ahcf->uri.len == 0) {
|
|
570
|
1419 ngx_str_set(&ahcf->uri, "/");
|
|
290
|
1420 }
|
|
|
1421
|
|
|
1422 return NGX_CONF_OK;
|
|
|
1423 }
|
|
|
1424
|
|
|
1425
|
|
|
1426 static char *
|
|
|
1427 ngx_mail_auth_http_header(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1428 {
|
|
|
1429 ngx_mail_auth_http_conf_t *ahcf = conf;
|
|
|
1430
|
|
|
1431 ngx_str_t *value;
|
|
|
1432 ngx_table_elt_t *header;
|
|
|
1433
|
|
|
1434 if (ahcf->headers == NULL) {
|
|
|
1435 ahcf->headers = ngx_array_create(cf->pool, 1, sizeof(ngx_table_elt_t));
|
|
|
1436 if (ahcf->headers == NULL) {
|
|
|
1437 return NGX_CONF_ERROR;
|
|
|
1438 }
|
|
|
1439 }
|
|
|
1440
|
|
|
1441 header = ngx_array_push(ahcf->headers);
|
|
|
1442 if (header == NULL) {
|
|
|
1443 return NGX_CONF_ERROR;
|
|
|
1444 }
|
|
|
1445
|
|
|
1446 value = cf->args->elts;
|
|
|
1447
|
|
|
1448 header->key = value[1];
|
|
|
1449 header->value = value[2];
|
|
|
1450
|
|
|
1451 return NGX_CONF_OK;
|
|
|
1452 }
|
