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