76
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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_imap.h>
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12
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13
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14 typedef struct {
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15 ngx_peers_t *peers;
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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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122
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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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76
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24 } ngx_imap_auth_http_conf_t;
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25
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26
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27 typedef struct ngx_imap_auth_http_ctx_s ngx_imap_auth_http_ctx_t;
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28
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29 typedef void (*ngx_imap_auth_http_handler_pt)(ngx_imap_session_t *s,
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30 ngx_imap_auth_http_ctx_t *ctx);
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31
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32 struct ngx_imap_auth_http_ctx_s {
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33 ngx_buf_t *request;
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34 ngx_buf_t *response;
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35 ngx_peer_connection_t peer;
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36
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37 ngx_imap_auth_http_handler_pt handler;
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38
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39 ngx_uint_t state;
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40 ngx_uint_t hash; /* no needed ? */
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41
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42 u_char *header_name_start;
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43 u_char *header_name_end;
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44 u_char *header_start;
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45 u_char *header_end;
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46
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47 ngx_str_t addr;
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48 ngx_str_t port;
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49 ngx_str_t err;
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50 ngx_str_t errmsg;
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51
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96
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52 time_t sleep;
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53
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96
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54 ngx_pool_t *pool;
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76
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55 };
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56
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57
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58 static void ngx_imap_auth_http_write_handler(ngx_event_t *wev);
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59 static void ngx_imap_auth_http_read_handler(ngx_event_t *rev);
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60 static void ngx_imap_auth_http_ignore_status_line(ngx_imap_session_t *s,
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61 ngx_imap_auth_http_ctx_t *ctx);
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62 static void ngx_imap_auth_http_process_headers(ngx_imap_session_t *s,
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63 ngx_imap_auth_http_ctx_t *ctx);
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64 static void ngx_imap_auth_sleep_handler(ngx_event_t *rev);
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65 static ngx_int_t ngx_imap_auth_http_parse_header_line(ngx_imap_session_t *s,
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66 ngx_imap_auth_http_ctx_t *ctx);
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67 static void ngx_imap_auth_http_block_read(ngx_event_t *rev);
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68 static void ngx_imap_auth_http_dummy_handler(ngx_event_t *ev);
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69 static ngx_buf_t *ngx_imap_auth_http_create_request(ngx_imap_session_t *s,
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70 ngx_pool_t *pool, ngx_imap_auth_http_conf_t *ahcf);
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182
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71 static ngx_int_t ngx_imap_auth_http_escape(ngx_pool_t *pool, ngx_str_t *text,
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72 ngx_str_t *escaped);
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76
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73
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74 static void *ngx_imap_auth_http_create_conf(ngx_conf_t *cf);
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75 static char *ngx_imap_auth_http_merge_conf(ngx_conf_t *cf, void *parent,
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76 void *child);
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77 static char *ngx_imap_auth_http(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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122
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78 static char *ngx_imap_auth_http_header(ngx_conf_t *cf, ngx_command_t *cmd,
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79 void *conf);
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76
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80
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81
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82 static ngx_command_t ngx_imap_auth_http_commands[] = {
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83
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84 { ngx_string("auth_http"),
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85 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_TAKE1,
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86 ngx_imap_auth_http,
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87 NGX_IMAP_SRV_CONF_OFFSET,
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88 0,
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89 NULL },
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90
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91 { ngx_string("auth_http_timeout"),
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92 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_TAKE1,
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93 ngx_conf_set_msec_slot,
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94 NGX_IMAP_SRV_CONF_OFFSET,
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95 offsetof(ngx_imap_auth_http_conf_t, timeout),
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96 NULL },
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97
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122
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98 { ngx_string("auth_http_header"),
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99 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_TAKE2,
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100 ngx_imap_auth_http_header,
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101 NGX_IMAP_SRV_CONF_OFFSET,
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102 0,
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103 NULL },
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104
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76
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105 ngx_null_command
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106 };
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107
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108
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109 static ngx_imap_module_t ngx_imap_auth_http_module_ctx = {
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110 NULL, /* create main configuration */
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111 NULL, /* init main configuration */
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112
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113 ngx_imap_auth_http_create_conf, /* create server configuration */
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114 ngx_imap_auth_http_merge_conf /* merge server configuration */
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115 };
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116
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117
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118 ngx_module_t ngx_imap_auth_http_module = {
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119 NGX_MODULE_V1,
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120 &ngx_imap_auth_http_module_ctx, /* module context */
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121 ngx_imap_auth_http_commands, /* module directives */
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122 NGX_IMAP_MODULE, /* module type */
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90
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123 NULL, /* init master */
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124 NULL, /* init module */
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90
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125 NULL, /* init process */
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126 NULL, /* init thread */
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127 NULL, /* exit thread */
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128 NULL, /* exit process */
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129 NULL, /* exit master */
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130 NGX_MODULE_V1_PADDING
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76
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131 };
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132
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133
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250
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134 static char *ngx_imap_auth_http_protocol[] = { "pop3", "imap" };
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135 static ngx_str_t ngx_imap_auth_http_method[] = {
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136 ngx_string("plain"), ngx_string("apop")
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137 };
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76
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138
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139
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140 void
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141 ngx_imap_auth_http_init(ngx_imap_session_t *s)
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142 {
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143 ngx_int_t rc;
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96
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144 ngx_pool_t *pool;
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145 ngx_imap_auth_http_ctx_t *ctx;
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146 ngx_imap_auth_http_conf_t *ahcf;
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147
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90
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148 s->connection->log->action = "in http auth state";
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149
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96
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150 pool = ngx_create_pool(2048, s->connection->log);
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151 if (pool == NULL) {
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152 ngx_imap_session_internal_server_error(s);
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153 return;
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154 }
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155
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96
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156 ctx = ngx_pcalloc(pool, sizeof(ngx_imap_auth_http_ctx_t));
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157 if (ctx == NULL) {
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158 ngx_destroy_pool(pool);
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159 ngx_imap_session_internal_server_error(s);
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160 return;
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161 }
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162
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163 ctx->pool = pool;
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164
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165 ahcf = ngx_imap_get_module_srv_conf(s, ngx_imap_auth_http_module);
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166
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96
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167 ctx->request = ngx_imap_auth_http_create_request(s, pool, ahcf);
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168 if (ctx->request == NULL) {
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169 ngx_destroy_pool(ctx->pool);
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170 ngx_imap_session_internal_server_error(s);
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171 return;
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172 }
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173
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174 ngx_imap_set_ctx(s, ctx, ngx_imap_auth_http_module);
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175
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176 ctx->peer.peers = ahcf->peers;
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177 ctx->peer.log = s->connection->log;
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178 ctx->peer.log_error = NGX_ERROR_ERR;
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179
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180 rc = ngx_event_connect_peer(&ctx->peer);
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181
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92
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182 if (rc == NGX_ERROR || rc == NGX_BUSY || rc == NGX_DECLINED) {
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183 ngx_close_connection(ctx->peer.connection);
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184 ngx_destroy_pool(ctx->pool);
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185 ngx_imap_session_internal_server_error(s);
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186 return;
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187 }
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188
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189 ctx->peer.connection->data = s;
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190 ctx->peer.connection->pool = s->connection->pool;
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191
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192 s->connection->read->handler = ngx_imap_auth_http_block_read;
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193 ctx->peer.connection->read->handler = ngx_imap_auth_http_read_handler;
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194 ctx->peer.connection->write->handler = ngx_imap_auth_http_write_handler;
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195
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196 ctx->handler = ngx_imap_auth_http_ignore_status_line;
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197
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90
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198 ngx_add_timer(ctx->peer.connection->read, ahcf->timeout);
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199 ngx_add_timer(ctx->peer.connection->write, ahcf->timeout);
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200
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201 if (rc == NGX_OK) {
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202 ngx_imap_auth_http_write_handler(ctx->peer.connection->write);
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203 return;
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204 }
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205 }
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206
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207
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208 static void
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209 ngx_imap_auth_http_write_handler(ngx_event_t *wev)
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210 {
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211 ssize_t n, size;
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212 ngx_connection_t *c;
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213 ngx_imap_session_t *s;
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214 ngx_imap_auth_http_ctx_t *ctx;
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215 ngx_imap_auth_http_conf_t *ahcf;
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216
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217 c = wev->data;
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218 s = c->data;
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219
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220 ctx = ngx_imap_get_module_ctx(s, ngx_imap_auth_http_module);
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221
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222 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, wev->log, 0,
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223 "imap auth http write handler");
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224
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225 if (wev->timedout) {
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226 ngx_log_error(NGX_LOG_ERR, wev->log, NGX_ETIMEDOUT,
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90
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227 "auth http server %V timed out",
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228 &ctx->peer.peers->peer[0].name);
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229 ngx_close_connection(ctx->peer.connection);
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230 ngx_destroy_pool(ctx->pool);
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231 ngx_imap_session_internal_server_error(s);
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232 return;
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233 }
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234
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235 size = ctx->request->last - ctx->request->pos;
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236
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237 n = ngx_send(c, ctx->request->pos, size);
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238
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239 if (n == NGX_ERROR) {
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240 ngx_close_connection(ctx->peer.connection);
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96
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241 ngx_destroy_pool(ctx->pool);
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242 ngx_imap_session_internal_server_error(s);
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243 return;
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244 }
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245
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246 if (n > 0) {
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247 ctx->request->pos += n;
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248
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249 if (n == size) {
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250 wev->handler = ngx_imap_auth_http_dummy_handler;
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251
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252 if (wev->timer_set) {
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253 ngx_del_timer(wev);
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254 }
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255
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250
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256 if (ngx_handle_write_event(wev, 0) == NGX_ERROR) {
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257 ngx_close_connection(ctx->peer.connection);
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258 ngx_destroy_pool(ctx->pool);
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259 ngx_imap_session_internal_server_error(s);
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260 }
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261
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76
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262 return;
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263 }
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264 }
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265
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266 if (!wev->timer_set) {
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267 ahcf = ngx_imap_get_module_srv_conf(s, ngx_imap_auth_http_module);
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268 ngx_add_timer(wev, ahcf->timeout);
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269 }
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270 }
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271
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272
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273 static void
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274 ngx_imap_auth_http_read_handler(ngx_event_t *rev)
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275 {
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276 ssize_t n, size;
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277 ngx_connection_t *c;
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278 ngx_imap_session_t *s;
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279 ngx_imap_auth_http_ctx_t *ctx;
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280
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281 c = rev->data;
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282 s = c->data;
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283
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284 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0,
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285 "imap auth http read handler");
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286
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287 ctx = ngx_imap_get_module_ctx(s, ngx_imap_auth_http_module);
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288
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126
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289 if (rev->timedout) {
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290 ngx_log_error(NGX_LOG_ERR, rev->log, NGX_ETIMEDOUT,
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90
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291 "auth http server %V timed out",
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292 &ctx->peer.peers->peer[0].name);
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293 ngx_close_connection(ctx->peer.connection);
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96
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294 ngx_destroy_pool(ctx->pool);
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76
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295 ngx_imap_session_internal_server_error(s);
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296 return;
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297 }
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298
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299 if (ctx->response == NULL) {
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96
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300 ctx->response = ngx_create_temp_buf(ctx->pool, 1024);
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76
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301 if (ctx->response == NULL) {
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302 ngx_close_connection(ctx->peer.connection);
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96
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303 ngx_destroy_pool(ctx->pool);
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76
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304 ngx_imap_session_internal_server_error(s);
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305 return;
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306 }
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307 }
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308
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309 size = ctx->response->end - ctx->response->last;
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310
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311 n = ngx_recv(c, ctx->response->pos, size);
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312
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313 if (n > 0) {
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314 ctx->response->last += n;
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315
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316 ctx->handler(s, ctx);
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317 return;
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318 }
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319
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320 if (n == NGX_AGAIN) {
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321 return;
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322 }
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323
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324 ngx_close_connection(ctx->peer.connection);
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96
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325 ngx_destroy_pool(ctx->pool);
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326 ngx_imap_session_internal_server_error(s);
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327 }
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328
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329
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330 static void
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331 ngx_imap_auth_http_ignore_status_line(ngx_imap_session_t *s,
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332 ngx_imap_auth_http_ctx_t *ctx)
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333 {
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334 u_char *p, ch;
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335 enum {
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336 sw_start = 0,
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337 sw_H,
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338 sw_HT,
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339 sw_HTT,
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340 sw_HTTP,
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341 sw_skip,
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342 sw_almost_done
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343 } state;
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344
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345 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, s->connection->log, 0,
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346 "imap auth http process status line");
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347
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348 state = ctx->state;
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349
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350 for (p = ctx->response->pos; p < ctx->response->last; p++) {
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351 ch = *p;
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352
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353 switch (state) {
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354
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355 /* "HTTP/" */
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356 case sw_start:
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357 if (ch == 'H') {
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358 state = sw_H;
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359 break;
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360 }
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361 goto next;
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362
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363 case sw_H:
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364 if (ch == 'T') {
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365 state = sw_HT;
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366 break;
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367 }
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368 goto next;
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369
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370 case sw_HT:
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371 if (ch == 'T') {
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372 state = sw_HTT;
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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_HTT:
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378 if (ch == 'P') {
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379 state = sw_HTTP;
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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_HTTP:
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385 if (ch == '/') {
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386 state = sw_skip;
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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 /* any text until end of line */
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392 case sw_skip:
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393 switch (ch) {
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394 case CR:
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395 state = sw_almost_done;
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396
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397 break;
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126
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398 case LF:
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76
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399 goto done;
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400 }
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401 break;
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402
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403 /* end of status line */
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404 case sw_almost_done:
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405 if (ch == LF) {
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406 goto done;
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407 }
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408
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409 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
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90
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410 "auth http server &V sent invalid response",
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411 &ctx->peer.peers->peer[0].name);
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76
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412 ngx_close_connection(ctx->peer.connection);
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96
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413 ngx_destroy_pool(ctx->pool);
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76
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414 ngx_imap_session_internal_server_error(s);
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415 return;
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416 }
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417 }
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418
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419 ctx->response->pos = p;
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420 ctx->state = state;
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421
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422 return;
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423
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424 next:
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425
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426 p = ctx->response->start - 1;
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427
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428 done:
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429
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430 ctx->response->pos = p + 1;
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431 ctx->state = 0;
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432 ctx->handler = ngx_imap_auth_http_process_headers;
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433 ctx->handler(s, ctx);
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434 }
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435
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436
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437 static void
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438 ngx_imap_auth_http_process_headers(ngx_imap_session_t *s,
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439 ngx_imap_auth_http_ctx_t *ctx)
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440 {
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441 u_char *p;
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96
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442 time_t timer;
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76
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443 size_t len, size;
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444 ngx_int_t rc, port, n;
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96
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445 ngx_peers_t *peers;
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76
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446 struct sockaddr_in *sin;
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447
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448 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, s->connection->log, 0,
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449 "imap auth http process headers");
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450
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451 for ( ;; ) {
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452 rc = ngx_imap_auth_http_parse_header_line(s, ctx);
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453
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454 if (rc == NGX_OK) {
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455
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456 #if (NGX_DEBUG)
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457 {
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458 ngx_str_t key, value;
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459
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460 key.len = ctx->header_name_end - ctx->header_name_start;
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461 key.data = ctx->header_name_start;
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462 value.len = ctx->header_end - ctx->header_start;
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463 value.data = ctx->header_start;
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464
|
|
465 ngx_log_debug2(NGX_LOG_DEBUG_IMAP, s->connection->log, 0,
|
|
466 "auth http header: \"%V: %V\"",
|
|
467 &key, &value);
|
|
468 }
|
|
469 #endif
|
|
470
|
|
471 len = ctx->header_name_end - ctx->header_name_start;
|
|
472
|
|
473 if (len == sizeof("Auth-Status") - 1
|
|
474 && ngx_strncasecmp(ctx->header_name_start, "Auth-Status",
|
|
475 sizeof("Auth-Status") - 1) == 0)
|
|
476 {
|
|
477 len = ctx->header_end - ctx->header_start;
|
|
478
|
|
479 if (len == 2
|
|
480 && ctx->header_start[0] == 'O'
|
|
481 && ctx->header_start[1] == 'K')
|
|
482 {
|
|
483 continue;
|
|
484 }
|
|
485
|
116
|
486 ctx->errmsg.len = len;
|
|
487 ctx->errmsg.data = ctx->header_start;
|
|
488
|
76
|
489 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) {
|
|
490 size = sizeof("-ERR") - 1 + len + sizeof(CRLF) - 1;
|
|
491
|
|
492 } else {
|
|
493 size = s->tag.len + sizeof("NO") - 1 + len
|
|
494 + sizeof(CRLF) - 1;
|
|
495 }
|
|
496
|
|
497 p = ngx_pcalloc(s->connection->pool, size);
|
|
498 if (p == NULL) {
|
92
|
499 ngx_close_connection(ctx->peer.connection);
|
96
|
500 ngx_destroy_pool(ctx->pool);
|
76
|
501 ngx_imap_session_internal_server_error(s);
|
|
502 return;
|
|
503 }
|
|
504
|
|
505 ctx->err.data = p;
|
|
506
|
|
507 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) {
|
|
508 *p++ = '-'; *p++ = 'E'; *p++ = 'R'; *p++ = 'R';
|
|
509
|
|
510 } else {
|
|
511 p = ngx_cpymem(p, s->tag.data, s->tag.len);
|
|
512 *p++ = 'N'; *p++ = 'O';
|
|
513 }
|
|
514
|
|
515 *p++ = ' ';
|
116
|
516
|
76
|
517 p = ngx_cpymem(p, ctx->header_start, len);
|
|
518 *p++ = CR; *p++ = LF;
|
|
519
|
|
520 ctx->err.len = p - ctx->err.data;
|
|
521
|
|
522 continue;
|
|
523 }
|
|
524
|
|
525 if (len == sizeof("Auth-Server") - 1
|
|
526 && ngx_strncasecmp(ctx->header_name_start, "Auth-Server",
|
|
527 sizeof("Auth-Server") - 1) == 0)
|
|
528 {
|
|
529 ctx->addr.len = ctx->header_end - ctx->header_start;
|
|
530 ctx->addr.data = ctx->header_start;
|
|
531
|
|
532 continue;
|
|
533 }
|
|
534
|
|
535 if (len == sizeof("Auth-Port") - 1
|
|
536 && ngx_strncasecmp(ctx->header_name_start, "Auth-Port",
|
|
537 sizeof("Auth-Port") - 1) == 0)
|
|
538 {
|
|
539 ctx->port.len = ctx->header_end - ctx->header_start;
|
|
540 ctx->port.data = ctx->header_start;
|
|
541
|
|
542 continue;
|
|
543 }
|
|
544
|
|
545 if (len == sizeof("Auth-User") - 1
|
|
546 && ngx_strncasecmp(ctx->header_name_start, "Auth-User",
|
|
547 sizeof("Auth-User") - 1) == 0)
|
|
548 {
|
|
549 s->login.len = ctx->header_end - ctx->header_start;
|
116
|
550
|
|
551 s->login.data = ngx_palloc(s->connection->pool, s->login.len);
|
|
552 if (s->login.data == NULL) {
|
|
553 ngx_close_connection(ctx->peer.connection);
|
|
554 ngx_destroy_pool(ctx->pool);
|
|
555 ngx_imap_session_internal_server_error(s);
|
|
556 return;
|
|
557 }
|
|
558
|
|
559 ngx_memcpy(s->login.data, ctx->header_start, s->login.len);
|
76
|
560
|
|
561 continue;
|
|
562 }
|
|
563
|
250
|
564 if (len == sizeof("Auth-Pass") - 1
|
|
565 && ngx_strncasecmp(ctx->header_name_start, "Auth-Pass",
|
|
566 sizeof("Auth-Pass") - 1) == 0)
|
|
567 {
|
|
568 s->passwd.len = ctx->header_end - ctx->header_start;
|
|
569
|
|
570 s->passwd.data = ngx_palloc(s->connection->pool, s->passwd.len);
|
|
571 if (s->passwd.data == NULL) {
|
|
572 ngx_close_connection(ctx->peer.connection);
|
|
573 ngx_destroy_pool(ctx->pool);
|
|
574 ngx_imap_session_internal_server_error(s);
|
|
575 return;
|
|
576 }
|
|
577
|
|
578 ngx_memcpy(s->passwd.data, ctx->header_start, s->passwd.len);
|
|
579
|
|
580 continue;
|
|
581 }
|
|
582
|
76
|
583 if (len == sizeof("Auth-Wait") - 1
|
|
584 && ngx_strncasecmp(ctx->header_name_start, "Auth-Wait",
|
|
585 sizeof("Auth-Wait") - 1) == 0)
|
|
586 {
|
|
587 n = ngx_atoi(ctx->header_start,
|
|
588 ctx->header_end - ctx->header_start);
|
|
589
|
|
590 if (n != NGX_ERROR) {
|
|
591 ctx->sleep = n;
|
|
592 }
|
|
593
|
|
594 continue;
|
|
595 }
|
|
596
|
|
597 /* ignore other headers */
|
|
598
|
|
599 continue;
|
|
600 }
|
|
601
|
|
602 if (rc == NGX_DONE) {
|
|
603 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, s->connection->log, 0,
|
|
604 "auth http header done");
|
|
605
|
|
606 ngx_close_connection(ctx->peer.connection);
|
|
607
|
|
608 if (ctx->err.len) {
|
116
|
609 ngx_log_error(NGX_LOG_INFO, s->connection->log, 0,
|
|
610 "client login failed: \"%V\"", &ctx->errmsg);
|
|
611
|
88
|
612 s->out = ctx->err;
|
96
|
613 timer = ctx->sleep;
|
76
|
614
|
96
|
615 ngx_destroy_pool(ctx->pool);
|
|
616
|
|
617 if (timer == 0) {
|
88
|
618 s->quit = 1;
|
90
|
619 ngx_imap_send(s->connection->write);
|
|
620 return;
|
|
621 }
|
88
|
622
|
96
|
623 ngx_add_timer(s->connection->read, timer * 1000);
|
76
|
624
|
|
625 s->connection->read->handler = ngx_imap_auth_sleep_handler;
|
|
626
|
|
627 return;
|
|
628 }
|
|
629
|
|
630 if (ctx->addr.len == 0 || ctx->port.len == 0) {
|
|
631 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
90
|
632 "auth http server %V did not send server or port",
|
|
633 &ctx->peer.peers->peer[0].name);
|
96
|
634 ngx_destroy_pool(ctx->pool);
|
76
|
635 ngx_imap_session_internal_server_error(s);
|
|
636 return;
|
|
637 }
|
|
638
|
250
|
639 if (s->passwd.data == NULL) {
|
|
640 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
|
641 "auth http server %V did not send password",
|
|
642 &ctx->peer.peers->peer[0].name);
|
|
643 ngx_destroy_pool(ctx->pool);
|
|
644 ngx_imap_session_internal_server_error(s);
|
|
645 return;
|
|
646 }
|
|
647
|
96
|
648 peers = ngx_pcalloc(s->connection->pool, sizeof(ngx_peers_t));
|
|
649 if (peers == NULL) {
|
|
650 ngx_destroy_pool(ctx->pool);
|
76
|
651 ngx_imap_session_internal_server_error(s);
|
|
652 return;
|
|
653 }
|
|
654
|
|
655 sin = ngx_pcalloc(s->connection->pool, sizeof(struct sockaddr_in));
|
|
656 if (sin == NULL) {
|
96
|
657 ngx_destroy_pool(ctx->pool);
|
76
|
658 ngx_imap_session_internal_server_error(s);
|
|
659 return;
|
|
660 }
|
|
661
|
|
662 sin->sin_family = AF_INET;
|
|
663
|
|
664 port = ngx_atoi(ctx->port.data, ctx->port.len);
|
|
665 if (port == NGX_ERROR || port < 1 || port > 65536) {
|
|
666 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
90
|
667 "auth http server %V sent invalid server "
|
|
668 "port:\"%V\"",
|
|
669 &ctx->peer.peers->peer[0].name, &ctx->port);
|
96
|
670 ngx_destroy_pool(ctx->pool);
|
76
|
671 ngx_imap_session_internal_server_error(s);
|
|
672 return;
|
|
673 }
|
|
674
|
|
675 sin->sin_port = htons((in_port_t) port);
|
|
676
|
|
677 ctx->addr.data[ctx->addr.len] = '\0';
|
|
678 sin->sin_addr.s_addr = inet_addr((char *) ctx->addr.data);
|
|
679 if (sin->sin_addr.s_addr == INADDR_NONE) {
|
|
680 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
90
|
681 "auth http server %V sent invalid server "
|
|
682 "address:\"%V\"",
|
|
683 &ctx->peer.peers->peer[0].name, &ctx->addr);
|
96
|
684 ngx_destroy_pool(ctx->pool);
|
76
|
685 ngx_imap_session_internal_server_error(s);
|
|
686 return;
|
|
687 }
|
|
688
|
96
|
689 peers->number = 1;
|
76
|
690
|
96
|
691 peers->peer[0].sockaddr = (struct sockaddr *) sin;
|
|
692 peers->peer[0].socklen = sizeof(struct sockaddr_in);
|
76
|
693
|
|
694 len = ctx->addr.len + 1 + ctx->port.len;
|
|
695
|
96
|
696 peers->peer[0].name.len = len;
|
76
|
697
|
96
|
698 peers->peer[0].name.data = ngx_palloc(s->connection->pool, len);
|
|
699 if (peers->peer[0].name.data == NULL) {
|
|
700 ngx_destroy_pool(ctx->pool);
|
76
|
701 ngx_imap_session_internal_server_error(s);
|
|
702 return;
|
|
703 }
|
|
704
|
|
705 len = ctx->addr.len;
|
|
706
|
96
|
707 ngx_memcpy(peers->peer[0].name.data, ctx->addr.data, len);
|
76
|
708
|
96
|
709 peers->peer[0].name.data[len++] = ':';
|
76
|
710
|
96
|
711 ngx_memcpy(peers->peer[0].name.data + len,
|
76
|
712 ctx->port.data, ctx->port.len);
|
|
713
|
96
|
714 peers->peer[0].uri_separator = "";
|
76
|
715
|
96
|
716 ngx_destroy_pool(ctx->pool);
|
|
717 ngx_imap_proxy_init(s, peers);
|
76
|
718
|
|
719 return;
|
|
720 }
|
|
721
|
|
722 if (rc == NGX_AGAIN ) {
|
|
723 return;
|
|
724 }
|
|
725
|
|
726 /* rc == NGX_ERROR */
|
|
727
|
|
728 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
90
|
729 "auth http server %V sent invalid header in response",
|
|
730 &ctx->peer.peers->peer[0].name);
|
76
|
731 ngx_close_connection(ctx->peer.connection);
|
96
|
732 ngx_destroy_pool(ctx->pool);
|
76
|
733 ngx_imap_session_internal_server_error(s);
|
|
734
|
|
735 return;
|
|
736 }
|
|
737 }
|
|
738
|
|
739
|
|
740 static void
|
|
741 ngx_imap_auth_sleep_handler(ngx_event_t *rev)
|
|
742 {
|
92
|
743 ngx_connection_t *c;
|
|
744 ngx_imap_session_t *s;
|
|
745 ngx_imap_core_srv_conf_t *cscf;
|
76
|
746
|
|
747 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap auth sleep handler");
|
|
748
|
|
749 c = rev->data;
|
|
750 s = c->data;
|
|
751
|
|
752 if (rev->timedout) {
|
|
753
|
|
754 rev->timedout = 0;
|
|
755
|
|
756 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) {
|
|
757 s->imap_state = ngx_pop3_start;
|
|
758 s->connection->read->handler = ngx_pop3_auth_state;
|
|
759
|
|
760 } else {
|
|
761 s->imap_state = ngx_imap_start;
|
|
762 s->connection->read->handler = ngx_imap_auth_state;
|
|
763 }
|
|
764
|
250
|
765 s->auth_method = NGX_IMAP_AUTH_PLAIN;
|
|
766
|
92
|
767 c->log->action = "in auth state";
|
|
768
|
|
769 ngx_imap_send(s->connection->write);
|
|
770
|
132
|
771 if (c->destroyed) {
|
92
|
772 return;
|
|
773 }
|
|
774
|
|
775 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module);
|
|
776
|
|
777 ngx_add_timer(rev, cscf->timeout);
|
|
778
|
76
|
779 if (rev->ready) {
|
|
780 s->connection->read->handler(rev);
|
|
781 return;
|
|
782 }
|
|
783
|
|
784 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
785 ngx_imap_close_connection(s->connection);
|
|
786 }
|
|
787
|
|
788 return;
|
|
789 }
|
|
790
|
|
791 if (rev->active) {
|
|
792 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
793 ngx_imap_close_connection(s->connection);
|
|
794 }
|
|
795 }
|
|
796 }
|
|
797
|
|
798
|
|
799 static ngx_int_t
|
|
800 ngx_imap_auth_http_parse_header_line(ngx_imap_session_t *s,
|
|
801 ngx_imap_auth_http_ctx_t *ctx)
|
|
802 {
|
|
803 u_char c, ch, *p;
|
|
804 ngx_uint_t hash;
|
|
805 enum {
|
|
806 sw_start = 0,
|
|
807 sw_name,
|
|
808 sw_space_before_value,
|
|
809 sw_value,
|
|
810 sw_space_after_value,
|
126
|
811 sw_almost_done,
|
76
|
812 sw_header_almost_done
|
|
813 } state;
|
|
814
|
126
|
815 state = ctx->state;
|
76
|
816 hash = ctx->hash;
|
|
817
|
|
818 for (p = ctx->response->pos; p < ctx->response->last; p++) {
|
|
819 ch = *p;
|
|
820
|
|
821 switch (state) {
|
|
822
|
|
823 /* first char */
|
|
824 case sw_start:
|
|
825
|
|
826 switch (ch) {
|
|
827 case CR:
|
126
|
828 ctx->header_end = p;
|
76
|
829 state = sw_header_almost_done;
|
|
830 break;
|
126
|
831 case LF:
|
76
|
832 ctx->header_end = p;
|
|
833 goto header_done;
|
|
834 default:
|
|
835 state = sw_name;
|
|
836 ctx->header_name_start = p;
|
|
837
|
|
838 c = (u_char) (ch | 0x20);
|
|
839 if (c >= 'a' && c <= 'z') {
|
|
840 hash = c;
|
|
841 break;
|
|
842 }
|
|
843
|
|
844 if (ch >= '0' && ch <= '9') {
|
|
845 hash = ch;
|
|
846 break;
|
|
847 }
|
|
848
|
|
849 return NGX_ERROR;
|
|
850 }
|
|
851 break;
|
|
852
|
|
853 /* header name */
|
|
854 case sw_name:
|
|
855 c = (u_char) (ch | 0x20);
|
|
856 if (c >= 'a' && c <= 'z') {
|
|
857 hash += c;
|
|
858 break;
|
|
859 }
|
|
860
|
|
861 if (ch == ':') {
|
|
862 ctx->header_name_end = p;
|
|
863 state = sw_space_before_value;
|
|
864 break;
|
|
865 }
|
|
866
|
|
867 if (ch == '-') {
|
|
868 hash += ch;
|
|
869 break;
|
|
870 }
|
|
871
|
|
872 if (ch >= '0' && ch <= '9') {
|
|
873 hash += ch;
|
|
874 break;
|
|
875 }
|
|
876
|
|
877 if (ch == CR) {
|
|
878 ctx->header_name_end = p;
|
|
879 ctx->header_start = p;
|
|
880 ctx->header_end = p;
|
|
881 state = sw_almost_done;
|
|
882 break;
|
|
883 }
|
|
884
|
|
885 if (ch == LF) {
|
|
886 ctx->header_name_end = p;
|
|
887 ctx->header_start = p;
|
|
888 ctx->header_end = p;
|
|
889 goto done;
|
|
890 }
|
|
891
|
|
892 return NGX_ERROR;
|
|
893
|
|
894 /* space* before header value */
|
|
895 case sw_space_before_value:
|
|
896 switch (ch) {
|
|
897 case ' ':
|
|
898 break;
|
|
899 case CR:
|
|
900 ctx->header_start = p;
|
|
901 ctx->header_end = p;
|
|
902 state = sw_almost_done;
|
|
903 break;
|
|
904 case LF:
|
|
905 ctx->header_start = p;
|
|
906 ctx->header_end = p;
|
|
907 goto done;
|
|
908 default:
|
|
909 ctx->header_start = p;
|
|
910 state = sw_value;
|
|
911 break;
|
|
912 }
|
|
913 break;
|
|
914
|
|
915 /* header value */
|
|
916 case sw_value:
|
|
917 switch (ch) {
|
|
918 case ' ':
|
|
919 ctx->header_end = p;
|
|
920 state = sw_space_after_value;
|
|
921 break;
|
|
922 case CR:
|
|
923 ctx->header_end = p;
|
|
924 state = sw_almost_done;
|
|
925 break;
|
|
926 case LF:
|
|
927 ctx->header_end = p;
|
|
928 goto done;
|
|
929 }
|
|
930 break;
|
|
931
|
|
932 /* space* before end of header line */
|
|
933 case sw_space_after_value:
|
|
934 switch (ch) {
|
|
935 case ' ':
|
|
936 break;
|
|
937 case CR:
|
|
938 state = sw_almost_done;
|
|
939 break;
|
|
940 case LF:
|
|
941 goto done;
|
|
942 default:
|
|
943 state = sw_value;
|
|
944 break;
|
|
945 }
|
|
946 break;
|
|
947
|
|
948 /* end of header line */
|
|
949 case sw_almost_done:
|
|
950 switch (ch) {
|
|
951 case LF:
|
|
952 goto done;
|
|
953 default:
|
|
954 return NGX_ERROR;
|
|
955 }
|
|
956
|
|
957 /* end of header */
|
|
958 case sw_header_almost_done:
|
|
959 switch (ch) {
|
|
960 case LF:
|
|
961 goto header_done;
|
|
962 default:
|
|
963 return NGX_ERROR;
|
|
964 }
|
|
965 }
|
|
966 }
|
|
967
|
|
968 ctx->response->pos = p;
|
|
969 ctx->state = state;
|
|
970 ctx->hash = hash;
|
|
971
|
|
972 return NGX_AGAIN;
|
|
973
|
|
974 done:
|
|
975
|
|
976 ctx->response->pos = p + 1;
|
|
977 ctx->state = sw_start;
|
|
978 ctx->hash = hash;
|
|
979
|
|
980 return NGX_OK;
|
|
981
|
|
982 header_done:
|
|
983
|
|
984 ctx->response->pos = p + 1;
|
|
985 ctx->state = sw_start;
|
|
986
|
|
987 return NGX_DONE;
|
|
988 }
|
|
989
|
|
990
|
|
991 static void
|
|
992 ngx_imap_auth_http_block_read(ngx_event_t *rev)
|
|
993 {
|
|
994 ngx_connection_t *c;
|
|
995 ngx_imap_session_t *s;
|
|
996 ngx_imap_auth_http_ctx_t *ctx;
|
|
997
|
|
998 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0,
|
|
999 "imap auth http block read");
|
|
1000
|
|
1001 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
1002 c = rev->data;
|
|
1003 s = c->data;
|
|
1004
|
|
1005 ctx = ngx_imap_get_module_ctx(s, ngx_imap_auth_http_module);
|
|
1006
|
|
1007 ngx_close_connection(ctx->peer.connection);
|
96
|
1008 ngx_destroy_pool(ctx->pool);
|
76
|
1009 ngx_imap_session_internal_server_error(s);
|
|
1010 }
|
|
1011 }
|
|
1012
|
|
1013
|
|
1014 static void
|
|
1015 ngx_imap_auth_http_dummy_handler(ngx_event_t *ev)
|
|
1016 {
|
|
1017 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, ev->log, 0,
|
|
1018 "imap auth http dummy handler");
|
|
1019 }
|
|
1020
|
|
1021
|
|
1022 static ngx_buf_t *
|
96
|
1023 ngx_imap_auth_http_create_request(ngx_imap_session_t *s, ngx_pool_t *pool,
|
76
|
1024 ngx_imap_auth_http_conf_t *ahcf)
|
|
1025 {
|
|
1026 size_t len;
|
|
1027 ngx_buf_t *b;
|
182
|
1028 ngx_str_t login, passwd;
|
|
1029
|
|
1030 if (ngx_imap_auth_http_escape(pool, &s->login, &login) != NGX_OK) {
|
|
1031 return NULL;
|
|
1032 }
|
|
1033
|
|
1034 if (ngx_imap_auth_http_escape(pool, &s->passwd, &passwd) != NGX_OK) {
|
|
1035 return NULL;
|
|
1036 }
|
76
|
1037
|
|
1038 len = sizeof("GET ") - 1 + ahcf->uri.len + sizeof(" HTTP/1.0" CRLF) - 1
|
|
1039 + sizeof("Host: ") - 1 + ahcf->host_header.len + sizeof(CRLF) - 1
|
|
1040 + sizeof("Auth-Method: plain" CRLF) - 1
|
182
|
1041 + sizeof("Auth-User: ") - 1 + login.len + sizeof(CRLF) - 1
|
|
1042 + sizeof("Auth-Pass: ") - 1 + passwd.len + sizeof(CRLF) - 1
|
250
|
1043 + sizeof("Auth-Salt: ") - 1 + s->salt.len
|
76
|
1044 + sizeof("Auth-Protocol: imap" CRLF) - 1
|
|
1045 + sizeof("Auth-Login-Attempt: ") - 1 + NGX_INT_T_LEN
|
|
1046 + sizeof(CRLF) - 1
|
|
1047 + sizeof("Client-IP: ") - 1 + s->connection->addr_text.len
|
|
1048 + sizeof(CRLF) - 1
|
|
1049 + sizeof(CRLF) - 1;
|
|
1050
|
96
|
1051 b = ngx_create_temp_buf(pool, len);
|
76
|
1052 if (b == NULL) {
|
|
1053 return NULL;
|
|
1054 }
|
|
1055
|
|
1056 b->last = ngx_cpymem(b->last, "GET ", sizeof("GET ") - 1);
|
122
|
1057 b->last = ngx_copy(b->last, ahcf->uri.data, ahcf->uri.len);
|
76
|
1058 b->last = ngx_cpymem(b->last, " HTTP/1.0" CRLF,
|
|
1059 sizeof(" HTTP/1.0" CRLF) - 1);
|
|
1060
|
|
1061 b->last = ngx_cpymem(b->last, "Host: ", sizeof("Host: ") - 1);
|
122
|
1062 b->last = ngx_copy(b->last, ahcf->host_header.data,
|
76
|
1063 ahcf->host_header.len);
|
|
1064 *b->last++ = CR; *b->last++ = LF;
|
|
1065
|
250
|
1066 b->last = ngx_cpymem(b->last, "Auth-Method: ",
|
|
1067 sizeof("Auth-Method: ") - 1);
|
|
1068 b->last = ngx_cpymem(b->last,
|
|
1069 ngx_imap_auth_http_method[s->auth_method].data,
|
|
1070 ngx_imap_auth_http_method[s->auth_method].len);
|
|
1071 *b->last++ = CR; *b->last++ = LF;
|
76
|
1072
|
|
1073 b->last = ngx_cpymem(b->last, "Auth-User: ", sizeof("Auth-User: ") - 1);
|
182
|
1074 b->last = ngx_copy(b->last, login.data, login.len);
|
76
|
1075 *b->last++ = CR; *b->last++ = LF;
|
|
1076
|
|
1077 b->last = ngx_cpymem(b->last, "Auth-Pass: ", sizeof("Auth-Pass: ") - 1);
|
182
|
1078 b->last = ngx_copy(b->last, passwd.data, passwd.len);
|
76
|
1079 *b->last++ = CR; *b->last++ = LF;
|
|
1080
|
250
|
1081 if (s->salt.len) {
|
|
1082 b->last = ngx_cpymem(b->last, "Auth-Salt: ", sizeof("Auth-Salt: ") - 1);
|
|
1083 b->last = ngx_copy(b->last, s->salt.data, s->salt.len);
|
|
1084
|
|
1085 s->passwd.data = NULL;
|
|
1086 }
|
|
1087
|
76
|
1088 b->last = ngx_cpymem(b->last, "Auth-Protocol: ",
|
|
1089 sizeof("Auth-Protocol: ") - 1);
|
|
1090 b->last = ngx_cpymem(b->last, ngx_imap_auth_http_protocol[s->protocol],
|
|
1091 sizeof("imap") - 1);
|
|
1092 *b->last++ = CR; *b->last++ = LF;
|
|
1093
|
|
1094 b->last = ngx_sprintf(b->last, "Auth-Login-Attempt: %ui" CRLF,
|
|
1095 s->login_attempt);
|
|
1096
|
|
1097 b->last = ngx_cpymem(b->last, "Client-IP: ", sizeof("Client-IP: ") - 1);
|
122
|
1098 b->last = ngx_copy(b->last, s->connection->addr_text.data,
|
76
|
1099 s->connection->addr_text.len);
|
|
1100 *b->last++ = CR; *b->last++ = LF;
|
|
1101
|
122
|
1102 if (ahcf->header.len) {
|
|
1103 b->last = ngx_copy(b->last, ahcf->header.data, ahcf->header.len);
|
|
1104 }
|
|
1105
|
76
|
1106 /* add "\r\n" at the header end */
|
|
1107 *b->last++ = CR; *b->last++ = LF;
|
|
1108
|
96
|
1109 #if (NGX_DEBUG_IMAP_PASSWD)
|
76
|
1110 {
|
|
1111 ngx_str_t l;
|
|
1112
|
|
1113 l.len = b->last - b->pos;
|
|
1114 l.data = b->pos;
|
|
1115 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0,
|
|
1116 "imap auth http header:\n\"%V\"", &l);
|
|
1117 }
|
|
1118 #endif
|
|
1119
|
|
1120 return b;
|
|
1121 }
|
|
1122
|
|
1123
|
182
|
1124 static ngx_int_t
|
|
1125 ngx_imap_auth_http_escape(ngx_pool_t *pool, ngx_str_t *text, ngx_str_t *escaped)
|
|
1126 {
|
|
1127 u_char ch, *p;
|
|
1128 ngx_uint_t i, n;
|
|
1129
|
|
1130 n = 0;
|
|
1131
|
|
1132 for (i = 0; i < text->len; i++) {
|
|
1133 ch = text->data[i];
|
|
1134
|
|
1135 if (ch == CR || ch == LF) {
|
|
1136 n++;
|
|
1137 }
|
|
1138 }
|
|
1139
|
|
1140 if (n == 0) {
|
|
1141 *escaped = *text;
|
|
1142 return NGX_OK;
|
|
1143 }
|
|
1144
|
|
1145 escaped->len = text->len + n * 2;
|
|
1146
|
|
1147 p = ngx_palloc(pool, escaped->len);
|
|
1148 if (p == NULL) {
|
|
1149 return NGX_ERROR;
|
|
1150 }
|
|
1151
|
|
1152 escaped->data = p;
|
|
1153
|
|
1154 for (i = 0; i < text->len; i++) {
|
|
1155 ch = text->data[i];
|
|
1156
|
|
1157 if (ch == CR) {
|
|
1158 *p++ = '%';
|
|
1159 *p++ = '0';
|
|
1160 *p++ = 'D';
|
|
1161 continue;
|
|
1162 }
|
|
1163
|
|
1164 if (ch == LF) {
|
|
1165 *p++ = '%';
|
|
1166 *p++ = '0';
|
|
1167 *p++ = 'A';
|
|
1168 continue;
|
|
1169 }
|
|
1170
|
|
1171 *p++ = ch;
|
|
1172 }
|
|
1173
|
|
1174 return NGX_OK;
|
|
1175 }
|
|
1176
|
|
1177
|
76
|
1178 static void *
|
|
1179 ngx_imap_auth_http_create_conf(ngx_conf_t *cf)
|
126
|
1180 {
|
76
|
1181 ngx_imap_auth_http_conf_t *ahcf;
|
126
|
1182
|
76
|
1183 ahcf = ngx_pcalloc(cf->pool, sizeof(ngx_imap_auth_http_conf_t));
|
|
1184 if (ahcf == NULL) {
|
|
1185 return NGX_CONF_ERROR;
|
|
1186 }
|
|
1187
|
|
1188 ahcf->timeout = NGX_CONF_UNSET_MSEC;
|
|
1189
|
|
1190 return ahcf;
|
|
1191 }
|
|
1192
|
|
1193
|
|
1194 static char *
|
|
1195 ngx_imap_auth_http_merge_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
1196 {
|
|
1197 ngx_imap_auth_http_conf_t *prev = parent;
|
|
1198 ngx_imap_auth_http_conf_t *conf = child;
|
|
1199
|
122
|
1200 u_char *p;
|
|
1201 size_t len;
|
|
1202 ngx_uint_t i;
|
|
1203 ngx_table_elt_t *header;
|
|
1204
|
76
|
1205 if (conf->peers == NULL) {
|
|
1206 conf->peers = prev->peers;
|
|
1207 conf->host_header = prev->host_header;
|
|
1208 conf->uri = prev->uri;
|
|
1209 }
|
|
1210
|
|
1211 ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 60000);
|
|
1212
|
122
|
1213 if (conf->headers == NULL) {
|
|
1214 conf->headers = prev->headers;
|
|
1215 conf->header = prev->header;
|
|
1216 }
|
|
1217
|
|
1218 if (conf->headers && conf->header.len == 0) {
|
|
1219 len = 0;
|
|
1220 header = conf->headers->elts;
|
|
1221 for (i = 0; i < conf->headers->nelts; i++) {
|
|
1222 len += header[i].key.len + 2 + header[i].value.len + 2;
|
|
1223 }
|
|
1224
|
|
1225 p = ngx_palloc(cf->pool, len);
|
|
1226 if (p == NULL) {
|
|
1227 return NGX_CONF_ERROR;
|
|
1228 }
|
|
1229
|
|
1230 conf->header.len = len;
|
|
1231 conf->header.data = p;
|
|
1232
|
|
1233 for (i = 0; i < conf->headers->nelts; i++) {
|
|
1234 p = ngx_cpymem(p, header[i].key.data, header[i].key.len);
|
|
1235 *p++ = ':'; *p++ = ' ';
|
|
1236 p = ngx_cpymem(p, header[i].value.data, header[i].value.len);
|
|
1237 *p++ = CR; *p++ = LF;
|
|
1238 }
|
|
1239 }
|
|
1240
|
76
|
1241 return NGX_CONF_OK;
|
|
1242 }
|
|
1243
|
|
1244
|
|
1245 static char *
|
|
1246 ngx_imap_auth_http(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
126
|
1247 {
|
76
|
1248 ngx_imap_auth_http_conf_t *ahcf = conf;
|
|
1249
|
|
1250 ngx_str_t *value, *url;
|
|
1251 ngx_inet_upstream_t inet_upstream;
|
|
1252 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
1253 ngx_unix_domain_upstream_t unix_upstream;
|
|
1254 #endif
|
122
|
1255
|
76
|
1256 value = cf->args->elts;
|
|
1257
|
|
1258 url = &value[1];
|
|
1259
|
|
1260 if (ngx_strncasecmp(url->data, "unix:", 5) == 0) {
|
|
1261
|
|
1262 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
1263
|
|
1264 ngx_memzero(&unix_upstream, sizeof(ngx_unix_domain_upstream_t));
|
|
1265
|
|
1266 unix_upstream.name = *url;
|
|
1267 unix_upstream.url = *url;
|
|
1268 unix_upstream.uri_part = 1;
|
|
1269
|
|
1270 ahcf->peers = ngx_unix_upstream_parse(cf, &unix_upstream);
|
|
1271 if (ahcf->peers == NULL) {
|
|
1272 return NGX_CONF_ERROR;
|
|
1273 }
|
|
1274
|
|
1275 ahcf->host_header.len = sizeof("localhost") - 1;
|
|
1276 ahcf->host_header.data = (u_char *) "localhost";
|
|
1277 ahcf->uri = unix_upstream.uri;
|
126
|
1278
|
76
|
1279 #else
|
|
1280 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1281 "the unix domain sockets are not supported "
|
|
1282 "on this platform");
|
|
1283 return NGX_CONF_ERROR;
|
126
|
1284
|
76
|
1285 #endif
|
|
1286
|
|
1287 } else {
|
|
1288 ngx_memzero(&inet_upstream, sizeof(ngx_inet_upstream_t));
|
|
1289
|
|
1290 inet_upstream.name = *url;
|
|
1291 inet_upstream.url = *url;
|
|
1292 inet_upstream.default_port_value = 80;
|
|
1293 inet_upstream.uri_part = 1;
|
|
1294
|
|
1295 ahcf->peers = ngx_inet_upstream_parse(cf, &inet_upstream);
|
|
1296 if (ahcf->peers == NULL) {
|
|
1297 return NGX_CONF_ERROR;
|
|
1298 }
|
|
1299
|
132
|
1300 ahcf->peers->number = 1;
|
|
1301
|
76
|
1302 ahcf->host_header = inet_upstream.host_header;
|
|
1303 ahcf->uri = inet_upstream.uri;
|
|
1304 }
|
|
1305
|
108
|
1306 if (ahcf->uri.len == 0) {
|
104
|
1307 ahcf->uri.len = sizeof("/") - 1;
|
|
1308 ahcf->uri.data = (u_char *) "/";
|
|
1309 }
|
|
1310
|
76
|
1311 return NGX_CONF_OK;
|
|
1312 }
|
122
|
1313
|
|
1314
|
|
1315 static char *
|
|
1316 ngx_imap_auth_http_header(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
126
|
1317 {
|
122
|
1318 ngx_imap_auth_http_conf_t *ahcf = conf;
|
|
1319
|
|
1320 ngx_str_t *value;
|
|
1321 ngx_table_elt_t *header;
|
|
1322
|
|
1323 if (ahcf->headers == NULL) {
|
|
1324 ahcf->headers = ngx_array_create(cf->pool, 1, sizeof(ngx_table_elt_t));
|
|
1325 if (ahcf->headers == NULL) {
|
|
1326 return NGX_CONF_ERROR;
|
|
1327 }
|
|
1328 }
|
|
1329
|
|
1330 header = ngx_array_push(ahcf->headers);
|
|
1331 if (header == NULL) {
|
|
1332 return NGX_CONF_ERROR;
|
|
1333 }
|
|
1334
|
|
1335 value = cf->args->elts;
|
|
1336
|
|
1337 header->key = value[1];
|
|
1338 header->value = value[2];
|
|
1339
|
|
1340 return NGX_CONF_OK;
|
|
1341 }
|