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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116
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50 ngx_str_t errmsg;
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76
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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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96
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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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252
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136 ngx_string("plain"),
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137 ngx_string("apop"),
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138 ngx_string("cram-md5")
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250
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139 };
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76
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140
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141
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142 void
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143 ngx_imap_auth_http_init(ngx_imap_session_t *s)
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144 {
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145 ngx_int_t rc;
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96
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146 ngx_pool_t *pool;
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147 ngx_imap_auth_http_ctx_t *ctx;
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148 ngx_imap_auth_http_conf_t *ahcf;
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149
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90
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150 s->connection->log->action = "in http auth state";
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151
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96
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152 pool = ngx_create_pool(2048, s->connection->log);
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153 if (pool == NULL) {
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76
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154 ngx_imap_session_internal_server_error(s);
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155 return;
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156 }
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157
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96
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158 ctx = ngx_pcalloc(pool, sizeof(ngx_imap_auth_http_ctx_t));
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159 if (ctx == NULL) {
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160 ngx_destroy_pool(pool);
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161 ngx_imap_session_internal_server_error(s);
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162 return;
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163 }
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164
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165 ctx->pool = pool;
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166
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167 ahcf = ngx_imap_get_module_srv_conf(s, ngx_imap_auth_http_module);
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168
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169 ctx->request = ngx_imap_auth_http_create_request(s, pool, ahcf);
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170 if (ctx->request == NULL) {
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171 ngx_destroy_pool(ctx->pool);
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172 ngx_imap_session_internal_server_error(s);
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173 return;
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174 }
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175
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176 ngx_imap_set_ctx(s, ctx, ngx_imap_auth_http_module);
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177
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178 ctx->peer.peers = ahcf->peers;
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179 ctx->peer.log = s->connection->log;
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180 ctx->peer.log_error = NGX_ERROR_ERR;
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181
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182 rc = ngx_event_connect_peer(&ctx->peer);
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183
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92
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184 if (rc == NGX_ERROR || rc == NGX_BUSY || rc == NGX_DECLINED) {
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258
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185 if (ctx->peer.connection) {
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186 ngx_close_connection(ctx->peer.connection);
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187 }
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188
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96
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189 ngx_destroy_pool(ctx->pool);
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190 ngx_imap_session_internal_server_error(s);
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191 return;
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192 }
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193
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194 ctx->peer.connection->data = s;
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195 ctx->peer.connection->pool = s->connection->pool;
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196
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197 s->connection->read->handler = ngx_imap_auth_http_block_read;
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198 ctx->peer.connection->read->handler = ngx_imap_auth_http_read_handler;
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199 ctx->peer.connection->write->handler = ngx_imap_auth_http_write_handler;
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200
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201 ctx->handler = ngx_imap_auth_http_ignore_status_line;
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202
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90
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203 ngx_add_timer(ctx->peer.connection->read, ahcf->timeout);
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204 ngx_add_timer(ctx->peer.connection->write, ahcf->timeout);
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205
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76
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206 if (rc == NGX_OK) {
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207 ngx_imap_auth_http_write_handler(ctx->peer.connection->write);
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208 return;
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209 }
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210 }
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211
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212
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213 static void
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214 ngx_imap_auth_http_write_handler(ngx_event_t *wev)
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215 {
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216 ssize_t n, size;
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217 ngx_connection_t *c;
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218 ngx_imap_session_t *s;
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219 ngx_imap_auth_http_ctx_t *ctx;
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220 ngx_imap_auth_http_conf_t *ahcf;
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221
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222 c = wev->data;
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223 s = c->data;
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224
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225 ctx = ngx_imap_get_module_ctx(s, ngx_imap_auth_http_module);
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226
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227 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, wev->log, 0,
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228 "imap auth http write handler");
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229
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230 if (wev->timedout) {
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231 ngx_log_error(NGX_LOG_ERR, wev->log, NGX_ETIMEDOUT,
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232 "auth http server %V timed out",
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233 &ctx->peer.peers->peer[0].name);
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234 ngx_close_connection(ctx->peer.connection);
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235 ngx_destroy_pool(ctx->pool);
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236 ngx_imap_session_internal_server_error(s);
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237 return;
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238 }
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239
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240 size = ctx->request->last - ctx->request->pos;
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241
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242 n = ngx_send(c, ctx->request->pos, size);
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243
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244 if (n == NGX_ERROR) {
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245 ngx_close_connection(ctx->peer.connection);
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96
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246 ngx_destroy_pool(ctx->pool);
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247 ngx_imap_session_internal_server_error(s);
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248 return;
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249 }
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250
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251 if (n > 0) {
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252 ctx->request->pos += n;
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253
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254 if (n == size) {
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255 wev->handler = ngx_imap_auth_http_dummy_handler;
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256
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257 if (wev->timer_set) {
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258 ngx_del_timer(wev);
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259 }
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260
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250
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261 if (ngx_handle_write_event(wev, 0) == NGX_ERROR) {
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262 ngx_close_connection(ctx->peer.connection);
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263 ngx_destroy_pool(ctx->pool);
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264 ngx_imap_session_internal_server_error(s);
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265 }
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266
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76
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267 return;
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268 }
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269 }
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270
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271 if (!wev->timer_set) {
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272 ahcf = ngx_imap_get_module_srv_conf(s, ngx_imap_auth_http_module);
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273 ngx_add_timer(wev, ahcf->timeout);
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274 }
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275 }
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276
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277
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278 static void
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279 ngx_imap_auth_http_read_handler(ngx_event_t *rev)
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280 {
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281 ssize_t n, size;
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282 ngx_connection_t *c;
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283 ngx_imap_session_t *s;
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284 ngx_imap_auth_http_ctx_t *ctx;
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285
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286 c = rev->data;
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287 s = c->data;
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288
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289 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0,
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290 "imap auth http read handler");
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291
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292 ctx = ngx_imap_get_module_ctx(s, ngx_imap_auth_http_module);
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293
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126
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294 if (rev->timedout) {
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76
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295 ngx_log_error(NGX_LOG_ERR, rev->log, NGX_ETIMEDOUT,
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90
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296 "auth http server %V timed out",
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297 &ctx->peer.peers->peer[0].name);
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76
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298 ngx_close_connection(ctx->peer.connection);
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96
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299 ngx_destroy_pool(ctx->pool);
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76
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300 ngx_imap_session_internal_server_error(s);
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301 return;
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302 }
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303
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304 if (ctx->response == NULL) {
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96
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305 ctx->response = ngx_create_temp_buf(ctx->pool, 1024);
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76
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306 if (ctx->response == NULL) {
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307 ngx_close_connection(ctx->peer.connection);
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96
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308 ngx_destroy_pool(ctx->pool);
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76
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309 ngx_imap_session_internal_server_error(s);
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310 return;
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311 }
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312 }
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313
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314 size = ctx->response->end - ctx->response->last;
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315
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316 n = ngx_recv(c, ctx->response->pos, size);
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317
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318 if (n > 0) {
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319 ctx->response->last += n;
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320
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321 ctx->handler(s, ctx);
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322 return;
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323 }
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324
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325 if (n == NGX_AGAIN) {
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326 return;
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327 }
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328
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329 ngx_close_connection(ctx->peer.connection);
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96
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330 ngx_destroy_pool(ctx->pool);
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76
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331 ngx_imap_session_internal_server_error(s);
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332 }
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333
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334
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335 static void
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336 ngx_imap_auth_http_ignore_status_line(ngx_imap_session_t *s,
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337 ngx_imap_auth_http_ctx_t *ctx)
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338 {
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339 u_char *p, ch;
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340 enum {
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341 sw_start = 0,
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342 sw_H,
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343 sw_HT,
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344 sw_HTT,
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345 sw_HTTP,
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346 sw_skip,
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347 sw_almost_done
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348 } state;
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349
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350 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, s->connection->log, 0,
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351 "imap auth http process status line");
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352
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353 state = ctx->state;
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354
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355 for (p = ctx->response->pos; p < ctx->response->last; p++) {
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356 ch = *p;
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357
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358 switch (state) {
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359
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360 /* "HTTP/" */
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361 case sw_start:
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362 if (ch == 'H') {
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363 state = sw_H;
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364 break;
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365 }
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366 goto next;
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367
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368 case sw_H:
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369 if (ch == 'T') {
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370 state = sw_HT;
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371 break;
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372 }
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373 goto next;
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374
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375 case sw_HT:
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376 if (ch == 'T') {
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377 state = sw_HTT;
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378 break;
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379 }
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380 goto next;
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381
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382 case sw_HTT:
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383 if (ch == 'P') {
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384 state = sw_HTTP;
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385 break;
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386 }
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387 goto next;
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388
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389 case sw_HTTP:
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390 if (ch == '/') {
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391 state = sw_skip;
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392 break;
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393 }
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394 goto next;
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395
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396 /* any text until end of line */
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397 case sw_skip:
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398 switch (ch) {
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399 case CR:
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400 state = sw_almost_done;
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401
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402 break;
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126
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403 case LF:
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76
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404 goto done;
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405 }
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406 break;
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407
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408 /* end of status line */
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409 case sw_almost_done:
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410 if (ch == LF) {
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411 goto done;
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412 }
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413
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414 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
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90
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415 "auth http server &V sent invalid response",
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416 &ctx->peer.peers->peer[0].name);
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76
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417 ngx_close_connection(ctx->peer.connection);
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96
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418 ngx_destroy_pool(ctx->pool);
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76
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419 ngx_imap_session_internal_server_error(s);
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420 return;
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421 }
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422 }
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423
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424 ctx->response->pos = p;
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425 ctx->state = state;
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426
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427 return;
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428
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429 next:
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430
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431 p = ctx->response->start - 1;
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432
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433 done:
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434
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435 ctx->response->pos = p + 1;
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436 ctx->state = 0;
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437 ctx->handler = ngx_imap_auth_http_process_headers;
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438 ctx->handler(s, ctx);
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439 }
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440
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441
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442 static void
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443 ngx_imap_auth_http_process_headers(ngx_imap_session_t *s,
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444 ngx_imap_auth_http_ctx_t *ctx)
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445 {
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446 u_char *p;
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96
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447 time_t timer;
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76
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448 size_t len, size;
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449 ngx_int_t rc, port, n;
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96
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450 ngx_peers_t *peers;
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76
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451 struct sockaddr_in *sin;
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452
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453 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, s->connection->log, 0,
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454 "imap auth http process headers");
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455
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456 for ( ;; ) {
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457 rc = ngx_imap_auth_http_parse_header_line(s, ctx);
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458
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459 if (rc == NGX_OK) {
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460
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461 #if (NGX_DEBUG)
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462 {
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463 ngx_str_t key, value;
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464
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465 key.len = ctx->header_name_end - ctx->header_name_start;
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466 key.data = ctx->header_name_start;
|
|
467 value.len = ctx->header_end - ctx->header_start;
|
|
468 value.data = ctx->header_start;
|
|
469
|
|
470 ngx_log_debug2(NGX_LOG_DEBUG_IMAP, s->connection->log, 0,
|
|
471 "auth http header: \"%V: %V\"",
|
|
472 &key, &value);
|
|
473 }
|
|
474 #endif
|
|
475
|
|
476 len = ctx->header_name_end - ctx->header_name_start;
|
|
477
|
|
478 if (len == sizeof("Auth-Status") - 1
|
|
479 && ngx_strncasecmp(ctx->header_name_start, "Auth-Status",
|
|
480 sizeof("Auth-Status") - 1) == 0)
|
|
481 {
|
|
482 len = ctx->header_end - ctx->header_start;
|
|
483
|
|
484 if (len == 2
|
|
485 && ctx->header_start[0] == 'O'
|
|
486 && ctx->header_start[1] == 'K')
|
|
487 {
|
|
488 continue;
|
|
489 }
|
|
490
|
116
|
491 ctx->errmsg.len = len;
|
|
492 ctx->errmsg.data = ctx->header_start;
|
|
493
|
76
|
494 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) {
|
258
|
495 size = sizeof("-ERR ") - 1 + len + sizeof(CRLF) - 1;
|
76
|
496
|
|
497 } else {
|
258
|
498 size = s->tag.len + sizeof("NO ") - 1 + len
|
76
|
499 + sizeof(CRLF) - 1;
|
|
500 }
|
|
501
|
|
502 p = ngx_pcalloc(s->connection->pool, size);
|
|
503 if (p == NULL) {
|
92
|
504 ngx_close_connection(ctx->peer.connection);
|
96
|
505 ngx_destroy_pool(ctx->pool);
|
76
|
506 ngx_imap_session_internal_server_error(s);
|
|
507 return;
|
|
508 }
|
|
509
|
|
510 ctx->err.data = p;
|
|
511
|
|
512 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) {
|
|
513 *p++ = '-'; *p++ = 'E'; *p++ = 'R'; *p++ = 'R';
|
|
514
|
|
515 } else {
|
|
516 p = ngx_cpymem(p, s->tag.data, s->tag.len);
|
|
517 *p++ = 'N'; *p++ = 'O';
|
|
518 }
|
|
519
|
|
520 *p++ = ' ';
|
116
|
521
|
76
|
522 p = ngx_cpymem(p, ctx->header_start, len);
|
|
523 *p++ = CR; *p++ = LF;
|
|
524
|
|
525 ctx->err.len = p - ctx->err.data;
|
|
526
|
|
527 continue;
|
|
528 }
|
|
529
|
|
530 if (len == sizeof("Auth-Server") - 1
|
|
531 && ngx_strncasecmp(ctx->header_name_start, "Auth-Server",
|
|
532 sizeof("Auth-Server") - 1) == 0)
|
|
533 {
|
|
534 ctx->addr.len = ctx->header_end - ctx->header_start;
|
|
535 ctx->addr.data = ctx->header_start;
|
|
536
|
|
537 continue;
|
|
538 }
|
|
539
|
|
540 if (len == sizeof("Auth-Port") - 1
|
|
541 && ngx_strncasecmp(ctx->header_name_start, "Auth-Port",
|
|
542 sizeof("Auth-Port") - 1) == 0)
|
|
543 {
|
|
544 ctx->port.len = ctx->header_end - ctx->header_start;
|
|
545 ctx->port.data = ctx->header_start;
|
|
546
|
|
547 continue;
|
|
548 }
|
|
549
|
|
550 if (len == sizeof("Auth-User") - 1
|
|
551 && ngx_strncasecmp(ctx->header_name_start, "Auth-User",
|
|
552 sizeof("Auth-User") - 1) == 0)
|
|
553 {
|
|
554 s->login.len = ctx->header_end - ctx->header_start;
|
116
|
555
|
|
556 s->login.data = ngx_palloc(s->connection->pool, s->login.len);
|
|
557 if (s->login.data == NULL) {
|
|
558 ngx_close_connection(ctx->peer.connection);
|
|
559 ngx_destroy_pool(ctx->pool);
|
|
560 ngx_imap_session_internal_server_error(s);
|
|
561 return;
|
|
562 }
|
|
563
|
|
564 ngx_memcpy(s->login.data, ctx->header_start, s->login.len);
|
76
|
565
|
|
566 continue;
|
|
567 }
|
|
568
|
250
|
569 if (len == sizeof("Auth-Pass") - 1
|
|
570 && ngx_strncasecmp(ctx->header_name_start, "Auth-Pass",
|
|
571 sizeof("Auth-Pass") - 1) == 0)
|
|
572 {
|
|
573 s->passwd.len = ctx->header_end - ctx->header_start;
|
|
574
|
|
575 s->passwd.data = ngx_palloc(s->connection->pool, s->passwd.len);
|
|
576 if (s->passwd.data == NULL) {
|
|
577 ngx_close_connection(ctx->peer.connection);
|
|
578 ngx_destroy_pool(ctx->pool);
|
|
579 ngx_imap_session_internal_server_error(s);
|
|
580 return;
|
|
581 }
|
|
582
|
|
583 ngx_memcpy(s->passwd.data, ctx->header_start, s->passwd.len);
|
|
584
|
|
585 continue;
|
|
586 }
|
|
587
|
76
|
588 if (len == sizeof("Auth-Wait") - 1
|
|
589 && ngx_strncasecmp(ctx->header_name_start, "Auth-Wait",
|
|
590 sizeof("Auth-Wait") - 1) == 0)
|
|
591 {
|
|
592 n = ngx_atoi(ctx->header_start,
|
|
593 ctx->header_end - ctx->header_start);
|
|
594
|
|
595 if (n != NGX_ERROR) {
|
|
596 ctx->sleep = n;
|
|
597 }
|
|
598
|
|
599 continue;
|
|
600 }
|
|
601
|
|
602 /* ignore other headers */
|
|
603
|
|
604 continue;
|
|
605 }
|
|
606
|
|
607 if (rc == NGX_DONE) {
|
|
608 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, s->connection->log, 0,
|
|
609 "auth http header done");
|
|
610
|
|
611 ngx_close_connection(ctx->peer.connection);
|
|
612
|
|
613 if (ctx->err.len) {
|
116
|
614 ngx_log_error(NGX_LOG_INFO, s->connection->log, 0,
|
|
615 "client login failed: \"%V\"", &ctx->errmsg);
|
|
616
|
88
|
617 s->out = ctx->err;
|
96
|
618 timer = ctx->sleep;
|
76
|
619
|
96
|
620 ngx_destroy_pool(ctx->pool);
|
|
621
|
|
622 if (timer == 0) {
|
88
|
623 s->quit = 1;
|
90
|
624 ngx_imap_send(s->connection->write);
|
|
625 return;
|
|
626 }
|
88
|
627
|
96
|
628 ngx_add_timer(s->connection->read, timer * 1000);
|
76
|
629
|
|
630 s->connection->read->handler = ngx_imap_auth_sleep_handler;
|
|
631
|
|
632 return;
|
|
633 }
|
|
634
|
|
635 if (ctx->addr.len == 0 || ctx->port.len == 0) {
|
|
636 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
90
|
637 "auth http server %V did not send server or port",
|
|
638 &ctx->peer.peers->peer[0].name);
|
96
|
639 ngx_destroy_pool(ctx->pool);
|
76
|
640 ngx_imap_session_internal_server_error(s);
|
|
641 return;
|
|
642 }
|
|
643
|
250
|
644 if (s->passwd.data == NULL) {
|
|
645 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
|
646 "auth http server %V did not send password",
|
|
647 &ctx->peer.peers->peer[0].name);
|
|
648 ngx_destroy_pool(ctx->pool);
|
|
649 ngx_imap_session_internal_server_error(s);
|
|
650 return;
|
|
651 }
|
|
652
|
96
|
653 peers = ngx_pcalloc(s->connection->pool, sizeof(ngx_peers_t));
|
|
654 if (peers == NULL) {
|
|
655 ngx_destroy_pool(ctx->pool);
|
76
|
656 ngx_imap_session_internal_server_error(s);
|
|
657 return;
|
|
658 }
|
|
659
|
|
660 sin = ngx_pcalloc(s->connection->pool, sizeof(struct sockaddr_in));
|
|
661 if (sin == NULL) {
|
96
|
662 ngx_destroy_pool(ctx->pool);
|
76
|
663 ngx_imap_session_internal_server_error(s);
|
|
664 return;
|
|
665 }
|
|
666
|
|
667 sin->sin_family = AF_INET;
|
|
668
|
|
669 port = ngx_atoi(ctx->port.data, ctx->port.len);
|
|
670 if (port == NGX_ERROR || port < 1 || port > 65536) {
|
|
671 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
90
|
672 "auth http server %V sent invalid server "
|
|
673 "port:\"%V\"",
|
|
674 &ctx->peer.peers->peer[0].name, &ctx->port);
|
96
|
675 ngx_destroy_pool(ctx->pool);
|
76
|
676 ngx_imap_session_internal_server_error(s);
|
|
677 return;
|
|
678 }
|
|
679
|
|
680 sin->sin_port = htons((in_port_t) port);
|
|
681
|
|
682 ctx->addr.data[ctx->addr.len] = '\0';
|
|
683 sin->sin_addr.s_addr = inet_addr((char *) ctx->addr.data);
|
|
684 if (sin->sin_addr.s_addr == INADDR_NONE) {
|
|
685 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
90
|
686 "auth http server %V sent invalid server "
|
|
687 "address:\"%V\"",
|
|
688 &ctx->peer.peers->peer[0].name, &ctx->addr);
|
96
|
689 ngx_destroy_pool(ctx->pool);
|
76
|
690 ngx_imap_session_internal_server_error(s);
|
|
691 return;
|
|
692 }
|
|
693
|
96
|
694 peers->number = 1;
|
76
|
695
|
96
|
696 peers->peer[0].sockaddr = (struct sockaddr *) sin;
|
|
697 peers->peer[0].socklen = sizeof(struct sockaddr_in);
|
76
|
698
|
|
699 len = ctx->addr.len + 1 + ctx->port.len;
|
|
700
|
96
|
701 peers->peer[0].name.len = len;
|
76
|
702
|
96
|
703 peers->peer[0].name.data = ngx_palloc(s->connection->pool, len);
|
|
704 if (peers->peer[0].name.data == NULL) {
|
|
705 ngx_destroy_pool(ctx->pool);
|
76
|
706 ngx_imap_session_internal_server_error(s);
|
|
707 return;
|
|
708 }
|
|
709
|
|
710 len = ctx->addr.len;
|
|
711
|
96
|
712 ngx_memcpy(peers->peer[0].name.data, ctx->addr.data, len);
|
76
|
713
|
96
|
714 peers->peer[0].name.data[len++] = ':';
|
76
|
715
|
96
|
716 ngx_memcpy(peers->peer[0].name.data + len,
|
76
|
717 ctx->port.data, ctx->port.len);
|
|
718
|
96
|
719 peers->peer[0].uri_separator = "";
|
76
|
720
|
96
|
721 ngx_destroy_pool(ctx->pool);
|
|
722 ngx_imap_proxy_init(s, peers);
|
76
|
723
|
|
724 return;
|
|
725 }
|
|
726
|
|
727 if (rc == NGX_AGAIN ) {
|
|
728 return;
|
|
729 }
|
|
730
|
|
731 /* rc == NGX_ERROR */
|
|
732
|
|
733 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
90
|
734 "auth http server %V sent invalid header in response",
|
|
735 &ctx->peer.peers->peer[0].name);
|
76
|
736 ngx_close_connection(ctx->peer.connection);
|
96
|
737 ngx_destroy_pool(ctx->pool);
|
76
|
738 ngx_imap_session_internal_server_error(s);
|
|
739
|
|
740 return;
|
|
741 }
|
|
742 }
|
|
743
|
|
744
|
|
745 static void
|
|
746 ngx_imap_auth_sleep_handler(ngx_event_t *rev)
|
|
747 {
|
92
|
748 ngx_connection_t *c;
|
|
749 ngx_imap_session_t *s;
|
|
750 ngx_imap_core_srv_conf_t *cscf;
|
76
|
751
|
|
752 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap auth sleep handler");
|
|
753
|
|
754 c = rev->data;
|
|
755 s = c->data;
|
|
756
|
|
757 if (rev->timedout) {
|
|
758
|
|
759 rev->timedout = 0;
|
|
760
|
|
761 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) {
|
|
762 s->imap_state = ngx_pop3_start;
|
|
763 s->connection->read->handler = ngx_pop3_auth_state;
|
|
764
|
|
765 } else {
|
|
766 s->imap_state = ngx_imap_start;
|
|
767 s->connection->read->handler = ngx_imap_auth_state;
|
|
768 }
|
|
769
|
250
|
770 s->auth_method = NGX_IMAP_AUTH_PLAIN;
|
|
771
|
92
|
772 c->log->action = "in auth state";
|
|
773
|
|
774 ngx_imap_send(s->connection->write);
|
|
775
|
132
|
776 if (c->destroyed) {
|
92
|
777 return;
|
|
778 }
|
|
779
|
|
780 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module);
|
|
781
|
|
782 ngx_add_timer(rev, cscf->timeout);
|
|
783
|
76
|
784 if (rev->ready) {
|
|
785 s->connection->read->handler(rev);
|
|
786 return;
|
|
787 }
|
|
788
|
|
789 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
790 ngx_imap_close_connection(s->connection);
|
|
791 }
|
|
792
|
|
793 return;
|
|
794 }
|
|
795
|
|
796 if (rev->active) {
|
|
797 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
798 ngx_imap_close_connection(s->connection);
|
|
799 }
|
|
800 }
|
|
801 }
|
|
802
|
|
803
|
|
804 static ngx_int_t
|
|
805 ngx_imap_auth_http_parse_header_line(ngx_imap_session_t *s,
|
|
806 ngx_imap_auth_http_ctx_t *ctx)
|
|
807 {
|
|
808 u_char c, ch, *p;
|
|
809 ngx_uint_t hash;
|
|
810 enum {
|
|
811 sw_start = 0,
|
|
812 sw_name,
|
|
813 sw_space_before_value,
|
|
814 sw_value,
|
|
815 sw_space_after_value,
|
126
|
816 sw_almost_done,
|
76
|
817 sw_header_almost_done
|
|
818 } state;
|
|
819
|
126
|
820 state = ctx->state;
|
76
|
821 hash = ctx->hash;
|
|
822
|
|
823 for (p = ctx->response->pos; p < ctx->response->last; p++) {
|
|
824 ch = *p;
|
|
825
|
|
826 switch (state) {
|
|
827
|
|
828 /* first char */
|
|
829 case sw_start:
|
|
830
|
|
831 switch (ch) {
|
|
832 case CR:
|
126
|
833 ctx->header_end = p;
|
76
|
834 state = sw_header_almost_done;
|
|
835 break;
|
126
|
836 case LF:
|
76
|
837 ctx->header_end = p;
|
|
838 goto header_done;
|
|
839 default:
|
|
840 state = sw_name;
|
|
841 ctx->header_name_start = p;
|
|
842
|
|
843 c = (u_char) (ch | 0x20);
|
|
844 if (c >= 'a' && c <= 'z') {
|
|
845 hash = c;
|
|
846 break;
|
|
847 }
|
|
848
|
|
849 if (ch >= '0' && ch <= '9') {
|
|
850 hash = ch;
|
|
851 break;
|
|
852 }
|
|
853
|
|
854 return NGX_ERROR;
|
|
855 }
|
|
856 break;
|
|
857
|
|
858 /* header name */
|
|
859 case sw_name:
|
|
860 c = (u_char) (ch | 0x20);
|
|
861 if (c >= 'a' && c <= 'z') {
|
|
862 hash += c;
|
|
863 break;
|
|
864 }
|
|
865
|
|
866 if (ch == ':') {
|
|
867 ctx->header_name_end = p;
|
|
868 state = sw_space_before_value;
|
|
869 break;
|
|
870 }
|
|
871
|
|
872 if (ch == '-') {
|
|
873 hash += ch;
|
|
874 break;
|
|
875 }
|
|
876
|
|
877 if (ch >= '0' && ch <= '9') {
|
|
878 hash += ch;
|
|
879 break;
|
|
880 }
|
|
881
|
|
882 if (ch == CR) {
|
|
883 ctx->header_name_end = p;
|
|
884 ctx->header_start = p;
|
|
885 ctx->header_end = p;
|
|
886 state = sw_almost_done;
|
|
887 break;
|
|
888 }
|
|
889
|
|
890 if (ch == LF) {
|
|
891 ctx->header_name_end = p;
|
|
892 ctx->header_start = p;
|
|
893 ctx->header_end = p;
|
|
894 goto done;
|
|
895 }
|
|
896
|
|
897 return NGX_ERROR;
|
|
898
|
|
899 /* space* before header value */
|
|
900 case sw_space_before_value:
|
|
901 switch (ch) {
|
|
902 case ' ':
|
|
903 break;
|
|
904 case CR:
|
|
905 ctx->header_start = p;
|
|
906 ctx->header_end = p;
|
|
907 state = sw_almost_done;
|
|
908 break;
|
|
909 case LF:
|
|
910 ctx->header_start = p;
|
|
911 ctx->header_end = p;
|
|
912 goto done;
|
|
913 default:
|
|
914 ctx->header_start = p;
|
|
915 state = sw_value;
|
|
916 break;
|
|
917 }
|
|
918 break;
|
|
919
|
|
920 /* header value */
|
|
921 case sw_value:
|
|
922 switch (ch) {
|
|
923 case ' ':
|
|
924 ctx->header_end = p;
|
|
925 state = sw_space_after_value;
|
|
926 break;
|
|
927 case CR:
|
|
928 ctx->header_end = p;
|
|
929 state = sw_almost_done;
|
|
930 break;
|
|
931 case LF:
|
|
932 ctx->header_end = p;
|
|
933 goto done;
|
|
934 }
|
|
935 break;
|
|
936
|
|
937 /* space* before end of header line */
|
|
938 case sw_space_after_value:
|
|
939 switch (ch) {
|
|
940 case ' ':
|
|
941 break;
|
|
942 case CR:
|
|
943 state = sw_almost_done;
|
|
944 break;
|
|
945 case LF:
|
|
946 goto done;
|
|
947 default:
|
|
948 state = sw_value;
|
|
949 break;
|
|
950 }
|
|
951 break;
|
|
952
|
|
953 /* end of header line */
|
|
954 case sw_almost_done:
|
|
955 switch (ch) {
|
|
956 case LF:
|
|
957 goto done;
|
|
958 default:
|
|
959 return NGX_ERROR;
|
|
960 }
|
|
961
|
|
962 /* end of header */
|
|
963 case sw_header_almost_done:
|
|
964 switch (ch) {
|
|
965 case LF:
|
|
966 goto header_done;
|
|
967 default:
|
|
968 return NGX_ERROR;
|
|
969 }
|
|
970 }
|
|
971 }
|
|
972
|
|
973 ctx->response->pos = p;
|
|
974 ctx->state = state;
|
|
975 ctx->hash = hash;
|
|
976
|
|
977 return NGX_AGAIN;
|
|
978
|
|
979 done:
|
|
980
|
|
981 ctx->response->pos = p + 1;
|
|
982 ctx->state = sw_start;
|
|
983 ctx->hash = hash;
|
|
984
|
|
985 return NGX_OK;
|
|
986
|
|
987 header_done:
|
|
988
|
|
989 ctx->response->pos = p + 1;
|
|
990 ctx->state = sw_start;
|
|
991
|
|
992 return NGX_DONE;
|
|
993 }
|
|
994
|
|
995
|
|
996 static void
|
|
997 ngx_imap_auth_http_block_read(ngx_event_t *rev)
|
|
998 {
|
|
999 ngx_connection_t *c;
|
|
1000 ngx_imap_session_t *s;
|
|
1001 ngx_imap_auth_http_ctx_t *ctx;
|
|
1002
|
|
1003 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0,
|
|
1004 "imap auth http block read");
|
|
1005
|
|
1006 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
1007 c = rev->data;
|
|
1008 s = c->data;
|
|
1009
|
|
1010 ctx = ngx_imap_get_module_ctx(s, ngx_imap_auth_http_module);
|
|
1011
|
|
1012 ngx_close_connection(ctx->peer.connection);
|
96
|
1013 ngx_destroy_pool(ctx->pool);
|
76
|
1014 ngx_imap_session_internal_server_error(s);
|
|
1015 }
|
|
1016 }
|
|
1017
|
|
1018
|
|
1019 static void
|
|
1020 ngx_imap_auth_http_dummy_handler(ngx_event_t *ev)
|
|
1021 {
|
|
1022 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, ev->log, 0,
|
|
1023 "imap auth http dummy handler");
|
|
1024 }
|
|
1025
|
|
1026
|
|
1027 static ngx_buf_t *
|
96
|
1028 ngx_imap_auth_http_create_request(ngx_imap_session_t *s, ngx_pool_t *pool,
|
76
|
1029 ngx_imap_auth_http_conf_t *ahcf)
|
|
1030 {
|
|
1031 size_t len;
|
|
1032 ngx_buf_t *b;
|
182
|
1033 ngx_str_t login, passwd;
|
|
1034
|
|
1035 if (ngx_imap_auth_http_escape(pool, &s->login, &login) != NGX_OK) {
|
|
1036 return NULL;
|
|
1037 }
|
|
1038
|
|
1039 if (ngx_imap_auth_http_escape(pool, &s->passwd, &passwd) != NGX_OK) {
|
|
1040 return NULL;
|
|
1041 }
|
76
|
1042
|
|
1043 len = sizeof("GET ") - 1 + ahcf->uri.len + sizeof(" HTTP/1.0" CRLF) - 1
|
|
1044 + sizeof("Host: ") - 1 + ahcf->host_header.len + sizeof(CRLF) - 1
|
258
|
1045 + sizeof("Auth-Method: ") - 1
|
|
1046 + ngx_imap_auth_http_method[s->auth_method].len
|
|
1047 + sizeof(CRLF) - 1
|
182
|
1048 + sizeof("Auth-User: ") - 1 + login.len + sizeof(CRLF) - 1
|
|
1049 + sizeof("Auth-Pass: ") - 1 + passwd.len + sizeof(CRLF) - 1
|
250
|
1050 + sizeof("Auth-Salt: ") - 1 + s->salt.len
|
76
|
1051 + sizeof("Auth-Protocol: imap" CRLF) - 1
|
|
1052 + sizeof("Auth-Login-Attempt: ") - 1 + NGX_INT_T_LEN
|
|
1053 + sizeof(CRLF) - 1
|
|
1054 + sizeof("Client-IP: ") - 1 + s->connection->addr_text.len
|
|
1055 + sizeof(CRLF) - 1
|
|
1056 + sizeof(CRLF) - 1;
|
|
1057
|
96
|
1058 b = ngx_create_temp_buf(pool, len);
|
76
|
1059 if (b == NULL) {
|
|
1060 return NULL;
|
|
1061 }
|
|
1062
|
|
1063 b->last = ngx_cpymem(b->last, "GET ", sizeof("GET ") - 1);
|
122
|
1064 b->last = ngx_copy(b->last, ahcf->uri.data, ahcf->uri.len);
|
76
|
1065 b->last = ngx_cpymem(b->last, " HTTP/1.0" CRLF,
|
|
1066 sizeof(" HTTP/1.0" CRLF) - 1);
|
|
1067
|
|
1068 b->last = ngx_cpymem(b->last, "Host: ", sizeof("Host: ") - 1);
|
122
|
1069 b->last = ngx_copy(b->last, ahcf->host_header.data,
|
76
|
1070 ahcf->host_header.len);
|
|
1071 *b->last++ = CR; *b->last++ = LF;
|
|
1072
|
250
|
1073 b->last = ngx_cpymem(b->last, "Auth-Method: ",
|
|
1074 sizeof("Auth-Method: ") - 1);
|
|
1075 b->last = ngx_cpymem(b->last,
|
|
1076 ngx_imap_auth_http_method[s->auth_method].data,
|
|
1077 ngx_imap_auth_http_method[s->auth_method].len);
|
|
1078 *b->last++ = CR; *b->last++ = LF;
|
76
|
1079
|
|
1080 b->last = ngx_cpymem(b->last, "Auth-User: ", sizeof("Auth-User: ") - 1);
|
182
|
1081 b->last = ngx_copy(b->last, login.data, login.len);
|
76
|
1082 *b->last++ = CR; *b->last++ = LF;
|
|
1083
|
|
1084 b->last = ngx_cpymem(b->last, "Auth-Pass: ", sizeof("Auth-Pass: ") - 1);
|
182
|
1085 b->last = ngx_copy(b->last, passwd.data, passwd.len);
|
76
|
1086 *b->last++ = CR; *b->last++ = LF;
|
|
1087
|
252
|
1088 if (s->auth_method != NGX_IMAP_AUTH_PLAIN && s->salt.len) {
|
250
|
1089 b->last = ngx_cpymem(b->last, "Auth-Salt: ", sizeof("Auth-Salt: ") - 1);
|
|
1090 b->last = ngx_copy(b->last, s->salt.data, s->salt.len);
|
|
1091
|
|
1092 s->passwd.data = NULL;
|
|
1093 }
|
|
1094
|
76
|
1095 b->last = ngx_cpymem(b->last, "Auth-Protocol: ",
|
|
1096 sizeof("Auth-Protocol: ") - 1);
|
|
1097 b->last = ngx_cpymem(b->last, ngx_imap_auth_http_protocol[s->protocol],
|
|
1098 sizeof("imap") - 1);
|
|
1099 *b->last++ = CR; *b->last++ = LF;
|
|
1100
|
|
1101 b->last = ngx_sprintf(b->last, "Auth-Login-Attempt: %ui" CRLF,
|
|
1102 s->login_attempt);
|
|
1103
|
|
1104 b->last = ngx_cpymem(b->last, "Client-IP: ", sizeof("Client-IP: ") - 1);
|
122
|
1105 b->last = ngx_copy(b->last, s->connection->addr_text.data,
|
76
|
1106 s->connection->addr_text.len);
|
|
1107 *b->last++ = CR; *b->last++ = LF;
|
|
1108
|
122
|
1109 if (ahcf->header.len) {
|
|
1110 b->last = ngx_copy(b->last, ahcf->header.data, ahcf->header.len);
|
|
1111 }
|
|
1112
|
76
|
1113 /* add "\r\n" at the header end */
|
|
1114 *b->last++ = CR; *b->last++ = LF;
|
|
1115
|
96
|
1116 #if (NGX_DEBUG_IMAP_PASSWD)
|
76
|
1117 {
|
|
1118 ngx_str_t l;
|
|
1119
|
|
1120 l.len = b->last - b->pos;
|
|
1121 l.data = b->pos;
|
|
1122 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0,
|
|
1123 "imap auth http header:\n\"%V\"", &l);
|
|
1124 }
|
|
1125 #endif
|
|
1126
|
|
1127 return b;
|
|
1128 }
|
|
1129
|
|
1130
|
182
|
1131 static ngx_int_t
|
|
1132 ngx_imap_auth_http_escape(ngx_pool_t *pool, ngx_str_t *text, ngx_str_t *escaped)
|
|
1133 {
|
|
1134 u_char ch, *p;
|
|
1135 ngx_uint_t i, n;
|
|
1136
|
|
1137 n = 0;
|
|
1138
|
|
1139 for (i = 0; i < text->len; i++) {
|
|
1140 ch = text->data[i];
|
|
1141
|
|
1142 if (ch == CR || ch == LF) {
|
|
1143 n++;
|
|
1144 }
|
|
1145 }
|
|
1146
|
|
1147 if (n == 0) {
|
|
1148 *escaped = *text;
|
|
1149 return NGX_OK;
|
|
1150 }
|
|
1151
|
|
1152 escaped->len = text->len + n * 2;
|
|
1153
|
|
1154 p = ngx_palloc(pool, escaped->len);
|
|
1155 if (p == NULL) {
|
|
1156 return NGX_ERROR;
|
|
1157 }
|
|
1158
|
|
1159 escaped->data = p;
|
|
1160
|
|
1161 for (i = 0; i < text->len; i++) {
|
|
1162 ch = text->data[i];
|
|
1163
|
|
1164 if (ch == CR) {
|
|
1165 *p++ = '%';
|
|
1166 *p++ = '0';
|
|
1167 *p++ = 'D';
|
|
1168 continue;
|
|
1169 }
|
|
1170
|
|
1171 if (ch == LF) {
|
|
1172 *p++ = '%';
|
|
1173 *p++ = '0';
|
|
1174 *p++ = 'A';
|
|
1175 continue;
|
|
1176 }
|
|
1177
|
|
1178 *p++ = ch;
|
|
1179 }
|
|
1180
|
|
1181 return NGX_OK;
|
|
1182 }
|
|
1183
|
|
1184
|
76
|
1185 static void *
|
|
1186 ngx_imap_auth_http_create_conf(ngx_conf_t *cf)
|
126
|
1187 {
|
76
|
1188 ngx_imap_auth_http_conf_t *ahcf;
|
126
|
1189
|
76
|
1190 ahcf = ngx_pcalloc(cf->pool, sizeof(ngx_imap_auth_http_conf_t));
|
|
1191 if (ahcf == NULL) {
|
|
1192 return NGX_CONF_ERROR;
|
|
1193 }
|
|
1194
|
|
1195 ahcf->timeout = NGX_CONF_UNSET_MSEC;
|
|
1196
|
|
1197 return ahcf;
|
|
1198 }
|
|
1199
|
|
1200
|
|
1201 static char *
|
|
1202 ngx_imap_auth_http_merge_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
1203 {
|
|
1204 ngx_imap_auth_http_conf_t *prev = parent;
|
|
1205 ngx_imap_auth_http_conf_t *conf = child;
|
|
1206
|
122
|
1207 u_char *p;
|
|
1208 size_t len;
|
|
1209 ngx_uint_t i;
|
|
1210 ngx_table_elt_t *header;
|
|
1211
|
76
|
1212 if (conf->peers == NULL) {
|
|
1213 conf->peers = prev->peers;
|
|
1214 conf->host_header = prev->host_header;
|
|
1215 conf->uri = prev->uri;
|
|
1216 }
|
|
1217
|
|
1218 ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 60000);
|
|
1219
|
122
|
1220 if (conf->headers == NULL) {
|
|
1221 conf->headers = prev->headers;
|
|
1222 conf->header = prev->header;
|
|
1223 }
|
|
1224
|
|
1225 if (conf->headers && conf->header.len == 0) {
|
|
1226 len = 0;
|
|
1227 header = conf->headers->elts;
|
|
1228 for (i = 0; i < conf->headers->nelts; i++) {
|
|
1229 len += header[i].key.len + 2 + header[i].value.len + 2;
|
|
1230 }
|
|
1231
|
|
1232 p = ngx_palloc(cf->pool, len);
|
|
1233 if (p == NULL) {
|
|
1234 return NGX_CONF_ERROR;
|
|
1235 }
|
|
1236
|
|
1237 conf->header.len = len;
|
|
1238 conf->header.data = p;
|
|
1239
|
|
1240 for (i = 0; i < conf->headers->nelts; i++) {
|
|
1241 p = ngx_cpymem(p, header[i].key.data, header[i].key.len);
|
|
1242 *p++ = ':'; *p++ = ' ';
|
|
1243 p = ngx_cpymem(p, header[i].value.data, header[i].value.len);
|
|
1244 *p++ = CR; *p++ = LF;
|
|
1245 }
|
|
1246 }
|
|
1247
|
76
|
1248 return NGX_CONF_OK;
|
|
1249 }
|
|
1250
|
|
1251
|
|
1252 static char *
|
|
1253 ngx_imap_auth_http(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
126
|
1254 {
|
76
|
1255 ngx_imap_auth_http_conf_t *ahcf = conf;
|
|
1256
|
252
|
1257 ngx_str_t *value;
|
|
1258 ngx_url_t u;
|
122
|
1259
|
76
|
1260 value = cf->args->elts;
|
|
1261
|
252
|
1262 ngx_memzero(&u, sizeof(ngx_url_t));
|
76
|
1263
|
252
|
1264 u.url = value[1];
|
|
1265 u.default_portn = 80;
|
|
1266 u.uri_part = 1;
|
126
|
1267
|
252
|
1268 if (ngx_parse_url(cf, &u) != NGX_OK) {
|
|
1269 if (u.err) {
|
|
1270 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1271 "%s in auth_http \"%V\"", u.err, &u.url);
|
|
1272 }
|
|
1273 }
|
76
|
1274
|
252
|
1275 ahcf->peers = u.peers;
|
|
1276 ahcf->peers->number = 1;
|
76
|
1277
|
252
|
1278 ahcf->host_header = u.host_header;
|
|
1279 ahcf->uri = u.uri;
|
76
|
1280
|
108
|
1281 if (ahcf->uri.len == 0) {
|
104
|
1282 ahcf->uri.len = sizeof("/") - 1;
|
|
1283 ahcf->uri.data = (u_char *) "/";
|
|
1284 }
|
|
1285
|
76
|
1286 return NGX_CONF_OK;
|
|
1287 }
|
122
|
1288
|
|
1289
|
|
1290 static char *
|
|
1291 ngx_imap_auth_http_header(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
126
|
1292 {
|
122
|
1293 ngx_imap_auth_http_conf_t *ahcf = conf;
|
|
1294
|
|
1295 ngx_str_t *value;
|
|
1296 ngx_table_elt_t *header;
|
|
1297
|
|
1298 if (ahcf->headers == NULL) {
|
|
1299 ahcf->headers = ngx_array_create(cf->pool, 1, sizeof(ngx_table_elt_t));
|
|
1300 if (ahcf->headers == NULL) {
|
|
1301 return NGX_CONF_ERROR;
|
|
1302 }
|
|
1303 }
|
|
1304
|
|
1305 header = ngx_array_push(ahcf->headers);
|
|
1306 if (header == NULL) {
|
|
1307 return NGX_CONF_ERROR;
|
|
1308 }
|
|
1309
|
|
1310 value = cf->args->elts;
|
|
1311
|
|
1312 header->key = value[1];
|
|
1313 header->value = value[2];
|
|
1314
|
|
1315 return NGX_CONF_OK;
|
|
1316 }
|