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521
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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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527
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15 ngx_peers_t *peers;
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521
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16
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527
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17 ngx_msec_t timeout;
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521
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18
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527
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19 ngx_str_t host_header;
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20 ngx_str_t uri;
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573
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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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521
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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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527
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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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567
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50 ngx_str_t errmsg;
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527
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51
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547
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52 time_t sleep;
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527
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53
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547
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54 ngx_pool_t *pool;
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527
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55 };
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521
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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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527
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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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521
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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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547
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70 ngx_pool_t *pool, ngx_imap_auth_http_conf_t *ahcf);
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521
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71
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72 static void *ngx_imap_auth_http_create_conf(ngx_conf_t *cf);
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73 static char *ngx_imap_auth_http_merge_conf(ngx_conf_t *cf, void *parent,
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74 void *child);
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75 static char *ngx_imap_auth_http(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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573
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76 static char *ngx_imap_auth_http_header(ngx_conf_t *cf, ngx_command_t *cmd,
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77 void *conf);
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521
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78
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79
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80 static ngx_command_t ngx_imap_auth_http_commands[] = {
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81
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82 { ngx_string("auth_http"),
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83 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_TAKE1,
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84 ngx_imap_auth_http,
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85 NGX_IMAP_SRV_CONF_OFFSET,
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86 0,
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87 NULL },
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88
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89 { ngx_string("auth_http_timeout"),
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90 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_TAKE1,
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91 ngx_conf_set_msec_slot,
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92 NGX_IMAP_SRV_CONF_OFFSET,
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93 offsetof(ngx_imap_auth_http_conf_t, timeout),
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94 NULL },
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95
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573
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96 { ngx_string("auth_http_header"),
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97 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_TAKE2,
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98 ngx_imap_auth_http_header,
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99 NGX_IMAP_SRV_CONF_OFFSET,
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100 0,
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101 NULL },
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102
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521
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103 ngx_null_command
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104 };
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105
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106
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107 static ngx_imap_module_t ngx_imap_auth_http_module_ctx = {
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108 NULL, /* create main configuration */
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109 NULL, /* init main configuration */
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110
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111 ngx_imap_auth_http_create_conf, /* create server configuration */
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112 ngx_imap_auth_http_merge_conf /* merge server configuration */
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113 };
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114
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115
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116 ngx_module_t ngx_imap_auth_http_module = {
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117 NGX_MODULE_V1,
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118 &ngx_imap_auth_http_module_ctx, /* module context */
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119 ngx_imap_auth_http_commands, /* module directives */
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120 NGX_IMAP_MODULE, /* module type */
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541
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121 NULL, /* init master */
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521
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122 NULL, /* init module */
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541
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123 NULL, /* init process */
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124 NULL, /* init thread */
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125 NULL, /* exit thread */
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126 NULL, /* exit process */
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127 NULL, /* exit master */
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128 NGX_MODULE_V1_PADDING
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521
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129 };
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130
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131
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132 static char *ngx_imap_auth_http_protocol[] = { "pop3", "imap" };
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133
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134
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135 void
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136 ngx_imap_auth_http_init(ngx_imap_session_t *s)
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137 {
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138 ngx_int_t rc;
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547
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139 ngx_pool_t *pool;
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521
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140 ngx_imap_auth_http_ctx_t *ctx;
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141 ngx_imap_auth_http_conf_t *ahcf;
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142
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541
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143 s->connection->log->action = "in http auth state";
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144
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547
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145 pool = ngx_create_pool(2048, s->connection->log);
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146 if (pool == NULL) {
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525
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147 ngx_imap_session_internal_server_error(s);
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521
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148 return;
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149 }
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150
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547
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151 ctx = ngx_pcalloc(pool, sizeof(ngx_imap_auth_http_ctx_t));
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152 if (ctx == NULL) {
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153 ngx_destroy_pool(pool);
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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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158 ctx->pool = pool;
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159
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521
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160 ahcf = ngx_imap_get_module_srv_conf(s, ngx_imap_auth_http_module);
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161
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547
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162 ctx->request = ngx_imap_auth_http_create_request(s, pool, ahcf);
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521
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163 if (ctx->request == NULL) {
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547
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164 ngx_destroy_pool(ctx->pool);
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525
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165 ngx_imap_session_internal_server_error(s);
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521
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166 return;
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167 }
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168
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169 ngx_imap_set_ctx(s, ctx, ngx_imap_auth_http_module);
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170
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171 ctx->peer.peers = ahcf->peers;
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172 ctx->peer.log = s->connection->log;
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173 ctx->peer.log_error = NGX_ERROR_ERR;
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174
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175 rc = ngx_event_connect_peer(&ctx->peer);
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176
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543
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177 if (rc == NGX_ERROR || rc == NGX_BUSY || rc == NGX_DECLINED) {
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178 ngx_close_connection(ctx->peer.connection);
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547
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179 ngx_destroy_pool(ctx->pool);
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525
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180 ngx_imap_session_internal_server_error(s);
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521
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181 return;
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182 }
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183
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184 ctx->peer.connection->data = s;
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185 ctx->peer.connection->pool = s->connection->pool;
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186
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187 s->connection->read->handler = ngx_imap_auth_http_block_read;
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188 ctx->peer.connection->read->handler = ngx_imap_auth_http_read_handler;
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189 ctx->peer.connection->write->handler = ngx_imap_auth_http_write_handler;
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190
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527
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191 ctx->handler = ngx_imap_auth_http_ignore_status_line;
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192
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541
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193 ngx_add_timer(ctx->peer.connection->read, ahcf->timeout);
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194 ngx_add_timer(ctx->peer.connection->write, ahcf->timeout);
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195
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521
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196 if (rc == NGX_OK) {
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197 ngx_imap_auth_http_write_handler(ctx->peer.connection->write);
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198 return;
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199 }
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200 }
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201
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202
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203 static void
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204 ngx_imap_auth_http_write_handler(ngx_event_t *wev)
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205 {
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206 ssize_t n, size;
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207 ngx_connection_t *c;
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208 ngx_imap_session_t *s;
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209 ngx_imap_auth_http_ctx_t *ctx;
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210 ngx_imap_auth_http_conf_t *ahcf;
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211
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212 c = wev->data;
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213 s = c->data;
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214
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215 ctx = ngx_imap_get_module_ctx(s, ngx_imap_auth_http_module);
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216
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217 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, wev->log, 0,
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218 "imap auth http write handler");
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219
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577
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220 if (wev->timedout) {
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521
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221 ngx_log_error(NGX_LOG_ERR, wev->log, NGX_ETIMEDOUT,
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541
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222 "auth http server %V timed out",
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223 &ctx->peer.peers->peer[0].name);
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525
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224 ngx_close_connection(ctx->peer.connection);
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547
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225 ngx_destroy_pool(ctx->pool);
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525
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226 ngx_imap_session_internal_server_error(s);
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521
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227 return;
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228 }
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229
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230 size = ctx->request->last - ctx->request->pos;
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231
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232 n = ngx_send(c, ctx->request->pos, size);
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233
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234 if (n == NGX_ERROR) {
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525
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235 ngx_close_connection(ctx->peer.connection);
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547
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236 ngx_destroy_pool(ctx->pool);
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525
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237 ngx_imap_session_internal_server_error(s);
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521
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238 return;
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239 }
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240
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241 if (n > 0) {
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242 ctx->request->pos += n;
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243
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244 if (n == size) {
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245 wev->handler = ngx_imap_auth_http_dummy_handler;
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246
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247 if (wev->timer_set) {
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248 ngx_del_timer(wev);
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249 }
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250
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251 return;
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252 }
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253 }
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254
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255 if (!wev->timer_set) {
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256 ahcf = ngx_imap_get_module_srv_conf(s, ngx_imap_auth_http_module);
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257 ngx_add_timer(wev, ahcf->timeout);
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258 }
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259 }
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260
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261
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262 static void
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263 ngx_imap_auth_http_read_handler(ngx_event_t *rev)
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264 {
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525
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265 ssize_t n, size;
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521
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266 ngx_connection_t *c;
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267 ngx_imap_session_t *s;
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268 ngx_imap_auth_http_ctx_t *ctx;
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269
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270 c = rev->data;
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271 s = c->data;
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272
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273 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0,
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274 "imap auth http read handler");
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275
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525
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276 ctx = ngx_imap_get_module_ctx(s, ngx_imap_auth_http_module);
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277
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577
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278 if (rev->timedout) {
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525
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279 ngx_log_error(NGX_LOG_ERR, rev->log, NGX_ETIMEDOUT,
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541
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280 "auth http server %V timed out",
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281 &ctx->peer.peers->peer[0].name);
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525
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282 ngx_close_connection(ctx->peer.connection);
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547
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283 ngx_destroy_pool(ctx->pool);
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525
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284 ngx_imap_session_internal_server_error(s);
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285 return;
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286 }
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287
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288 if (ctx->response == NULL) {
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547
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289 ctx->response = ngx_create_temp_buf(ctx->pool, 1024);
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525
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290 if (ctx->response == NULL) {
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291 ngx_close_connection(ctx->peer.connection);
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547
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292 ngx_destroy_pool(ctx->pool);
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525
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293 ngx_imap_session_internal_server_error(s);
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294 return;
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295 }
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296 }
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297
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527
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298 size = ctx->response->end - ctx->response->last;
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525
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299
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300 n = ngx_recv(c, ctx->response->pos, size);
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301
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527
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302 if (n > 0) {
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303 ctx->response->last += n;
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304
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305 ctx->handler(s, ctx);
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306 return;
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307 }
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308
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309 if (n == NGX_AGAIN) {
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525
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310 return;
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311 }
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312
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527
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313 ngx_close_connection(ctx->peer.connection);
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547
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314 ngx_destroy_pool(ctx->pool);
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527
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315 ngx_imap_session_internal_server_error(s);
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316 }
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525
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317
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318
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527
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319 static void
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320 ngx_imap_auth_http_ignore_status_line(ngx_imap_session_t *s,
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321 ngx_imap_auth_http_ctx_t *ctx)
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322 {
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323 u_char *p, ch;
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324 enum {
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325 sw_start = 0,
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326 sw_H,
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327 sw_HT,
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328 sw_HTT,
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329 sw_HTTP,
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330 sw_skip,
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331 sw_almost_done
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332 } state;
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333
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334 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, s->connection->log, 0,
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335 "imap auth http process status line");
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336
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337 state = ctx->state;
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338
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339 for (p = ctx->response->pos; p < ctx->response->last; p++) {
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340 ch = *p;
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341
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342 switch (state) {
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343
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344 /* "HTTP/" */
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345 case sw_start:
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346 if (ch == 'H') {
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347 state = sw_H;
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348 break;
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349 }
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350 goto next;
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351
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352 case sw_H:
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353 if (ch == 'T') {
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354 state = sw_HT;
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355 break;
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356 }
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357 goto next;
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358
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359 case sw_HT:
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360 if (ch == 'T') {
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361 state = sw_HTT;
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362 break;
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363 }
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364 goto next;
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365
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366 case sw_HTT:
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367 if (ch == 'P') {
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368 state = sw_HTTP;
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369 break;
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370 }
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371 goto next;
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372
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373 case sw_HTTP:
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374 if (ch == '/') {
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375 state = sw_skip;
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376 break;
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377 }
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378 goto next;
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379
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380 /* any text until end of line */
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381 case sw_skip:
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382 switch (ch) {
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383 case CR:
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384 state = sw_almost_done;
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385
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386 break;
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577
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387 case LF:
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527
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388 goto done;
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389 }
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390 break;
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391
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392 /* end of status line */
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393 case sw_almost_done:
|
|
|
394 if (ch == LF) {
|
|
|
395 goto done;
|
|
|
396 }
|
|
|
397
|
|
|
398 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
|
541
|
399 "auth http server &V sent invalid response",
|
|
|
400 &ctx->peer.peers->peer[0].name);
|
|
527
|
401 ngx_close_connection(ctx->peer.connection);
|
|
547
|
402 ngx_destroy_pool(ctx->pool);
|
|
527
|
403 ngx_imap_session_internal_server_error(s);
|
|
|
404 return;
|
|
|
405 }
|
|
|
406 }
|
|
|
407
|
|
|
408 ctx->response->pos = p;
|
|
|
409 ctx->state = state;
|
|
|
410
|
|
|
411 return;
|
|
|
412
|
|
|
413 next:
|
|
|
414
|
|
|
415 p = ctx->response->start - 1;
|
|
|
416
|
|
|
417 done:
|
|
|
418
|
|
|
419 ctx->response->pos = p + 1;
|
|
|
420 ctx->state = 0;
|
|
|
421 ctx->handler = ngx_imap_auth_http_process_headers;
|
|
|
422 ctx->handler(s, ctx);
|
|
|
423 }
|
|
525
|
424
|
|
|
425
|
|
527
|
426 static void
|
|
|
427 ngx_imap_auth_http_process_headers(ngx_imap_session_t *s,
|
|
|
428 ngx_imap_auth_http_ctx_t *ctx)
|
|
|
429 {
|
|
|
430 u_char *p;
|
|
547
|
431 time_t timer;
|
|
527
|
432 size_t len, size;
|
|
|
433 ngx_int_t rc, port, n;
|
|
547
|
434 ngx_peers_t *peers;
|
|
527
|
435 struct sockaddr_in *sin;
|
|
525
|
436
|
|
527
|
437 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, s->connection->log, 0,
|
|
|
438 "imap auth http process headers");
|
|
|
439
|
|
|
440 for ( ;; ) {
|
|
|
441 rc = ngx_imap_auth_http_parse_header_line(s, ctx);
|
|
|
442
|
|
|
443 if (rc == NGX_OK) {
|
|
|
444
|
|
|
445 #if (NGX_DEBUG)
|
|
|
446 {
|
|
|
447 ngx_str_t key, value;
|
|
|
448
|
|
|
449 key.len = ctx->header_name_end - ctx->header_name_start;
|
|
|
450 key.data = ctx->header_name_start;
|
|
|
451 value.len = ctx->header_end - ctx->header_start;
|
|
|
452 value.data = ctx->header_start;
|
|
|
453
|
|
|
454 ngx_log_debug2(NGX_LOG_DEBUG_IMAP, s->connection->log, 0,
|
|
|
455 "auth http header: \"%V: %V\"",
|
|
|
456 &key, &value);
|
|
|
457 }
|
|
|
458 #endif
|
|
|
459
|
|
|
460 len = ctx->header_name_end - ctx->header_name_start;
|
|
|
461
|
|
|
462 if (len == sizeof("Auth-Status") - 1
|
|
|
463 && ngx_strncasecmp(ctx->header_name_start, "Auth-Status",
|
|
|
464 sizeof("Auth-Status") - 1) == 0)
|
|
|
465 {
|
|
|
466 len = ctx->header_end - ctx->header_start;
|
|
|
467
|
|
|
468 if (len == 2
|
|
|
469 && ctx->header_start[0] == 'O'
|
|
|
470 && ctx->header_start[1] == 'K')
|
|
|
471 {
|
|
|
472 continue;
|
|
|
473 }
|
|
|
474
|
|
567
|
475 ctx->errmsg.len = len;
|
|
|
476 ctx->errmsg.data = ctx->header_start;
|
|
|
477
|
|
527
|
478 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) {
|
|
|
479 size = sizeof("-ERR") - 1 + len + sizeof(CRLF) - 1;
|
|
|
480
|
|
|
481 } else {
|
|
|
482 size = s->tag.len + sizeof("NO") - 1 + len
|
|
|
483 + sizeof(CRLF) - 1;
|
|
|
484 }
|
|
|
485
|
|
|
486 p = ngx_pcalloc(s->connection->pool, size);
|
|
|
487 if (p == NULL) {
|
|
543
|
488 ngx_close_connection(ctx->peer.connection);
|
|
547
|
489 ngx_destroy_pool(ctx->pool);
|
|
527
|
490 ngx_imap_session_internal_server_error(s);
|
|
|
491 return;
|
|
|
492 }
|
|
|
493
|
|
|
494 ctx->err.data = p;
|
|
|
495
|
|
|
496 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) {
|
|
|
497 *p++ = '-'; *p++ = 'E'; *p++ = 'R'; *p++ = 'R';
|
|
|
498
|
|
|
499 } else {
|
|
|
500 p = ngx_cpymem(p, s->tag.data, s->tag.len);
|
|
|
501 *p++ = 'N'; *p++ = 'O';
|
|
|
502 }
|
|
|
503
|
|
|
504 *p++ = ' ';
|
|
567
|
505
|
|
527
|
506 p = ngx_cpymem(p, ctx->header_start, len);
|
|
|
507 *p++ = CR; *p++ = LF;
|
|
|
508
|
|
|
509 ctx->err.len = p - ctx->err.data;
|
|
|
510
|
|
|
511 continue;
|
|
|
512 }
|
|
|
513
|
|
|
514 if (len == sizeof("Auth-Server") - 1
|
|
|
515 && ngx_strncasecmp(ctx->header_name_start, "Auth-Server",
|
|
|
516 sizeof("Auth-Server") - 1) == 0)
|
|
|
517 {
|
|
|
518 ctx->addr.len = ctx->header_end - ctx->header_start;
|
|
|
519 ctx->addr.data = ctx->header_start;
|
|
|
520
|
|
|
521 continue;
|
|
|
522 }
|
|
|
523
|
|
|
524 if (len == sizeof("Auth-Port") - 1
|
|
|
525 && ngx_strncasecmp(ctx->header_name_start, "Auth-Port",
|
|
|
526 sizeof("Auth-Port") - 1) == 0)
|
|
|
527 {
|
|
|
528 ctx->port.len = ctx->header_end - ctx->header_start;
|
|
|
529 ctx->port.data = ctx->header_start;
|
|
|
530
|
|
|
531 continue;
|
|
|
532 }
|
|
|
533
|
|
|
534 if (len == sizeof("Auth-User") - 1
|
|
|
535 && ngx_strncasecmp(ctx->header_name_start, "Auth-User",
|
|
|
536 sizeof("Auth-User") - 1) == 0)
|
|
|
537 {
|
|
|
538 s->login.len = ctx->header_end - ctx->header_start;
|
|
567
|
539
|
|
|
540 s->login.data = ngx_palloc(s->connection->pool, s->login.len);
|
|
|
541 if (s->login.data == NULL) {
|
|
|
542 ngx_close_connection(ctx->peer.connection);
|
|
|
543 ngx_destroy_pool(ctx->pool);
|
|
|
544 ngx_imap_session_internal_server_error(s);
|
|
|
545 return;
|
|
|
546 }
|
|
|
547
|
|
|
548 ngx_memcpy(s->login.data, ctx->header_start, s->login.len);
|
|
527
|
549
|
|
|
550 continue;
|
|
|
551 }
|
|
|
552
|
|
|
553 if (len == sizeof("Auth-Wait") - 1
|
|
|
554 && ngx_strncasecmp(ctx->header_name_start, "Auth-Wait",
|
|
|
555 sizeof("Auth-Wait") - 1) == 0)
|
|
|
556 {
|
|
|
557 n = ngx_atoi(ctx->header_start,
|
|
|
558 ctx->header_end - ctx->header_start);
|
|
|
559
|
|
|
560 if (n != NGX_ERROR) {
|
|
|
561 ctx->sleep = n;
|
|
|
562 }
|
|
|
563
|
|
|
564 continue;
|
|
|
565 }
|
|
|
566
|
|
|
567 /* ignore other headers */
|
|
|
568
|
|
|
569 continue;
|
|
|
570 }
|
|
|
571
|
|
|
572 if (rc == NGX_DONE) {
|
|
|
573 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, s->connection->log, 0,
|
|
|
574 "auth http header done");
|
|
|
575
|
|
|
576 ngx_close_connection(ctx->peer.connection);
|
|
|
577
|
|
|
578 if (ctx->err.len) {
|
|
567
|
579 ngx_log_error(NGX_LOG_INFO, s->connection->log, 0,
|
|
|
580 "client login failed: \"%V\"", &ctx->errmsg);
|
|
|
581
|
|
539
|
582 s->out = ctx->err;
|
|
547
|
583 timer = ctx->sleep;
|
|
527
|
584
|
|
547
|
585 ngx_destroy_pool(ctx->pool);
|
|
|
586
|
|
|
587 if (timer == 0) {
|
|
539
|
588 s->quit = 1;
|
|
541
|
589 ngx_imap_send(s->connection->write);
|
|
|
590 return;
|
|
|
591 }
|
|
539
|
592
|
|
547
|
593 ngx_add_timer(s->connection->read, timer * 1000);
|
|
527
|
594
|
|
|
595 s->connection->read->handler = ngx_imap_auth_sleep_handler;
|
|
|
596
|
|
|
597 return;
|
|
|
598 }
|
|
|
599
|
|
|
600 if (ctx->addr.len == 0 || ctx->port.len == 0) {
|
|
|
601 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
|
541
|
602 "auth http server %V did not send server or port",
|
|
|
603 &ctx->peer.peers->peer[0].name);
|
|
547
|
604 ngx_destroy_pool(ctx->pool);
|
|
527
|
605 ngx_imap_session_internal_server_error(s);
|
|
|
606 return;
|
|
|
607 }
|
|
|
608
|
|
547
|
609 peers = ngx_pcalloc(s->connection->pool, sizeof(ngx_peers_t));
|
|
|
610 if (peers == NULL) {
|
|
|
611 ngx_destroy_pool(ctx->pool);
|
|
527
|
612 ngx_imap_session_internal_server_error(s);
|
|
|
613 return;
|
|
|
614 }
|
|
|
615
|
|
|
616 sin = ngx_pcalloc(s->connection->pool, sizeof(struct sockaddr_in));
|
|
|
617 if (sin == NULL) {
|
|
547
|
618 ngx_destroy_pool(ctx->pool);
|
|
527
|
619 ngx_imap_session_internal_server_error(s);
|
|
|
620 return;
|
|
|
621 }
|
|
|
622
|
|
|
623 sin->sin_family = AF_INET;
|
|
|
624
|
|
|
625 port = ngx_atoi(ctx->port.data, ctx->port.len);
|
|
|
626 if (port == NGX_ERROR || port < 1 || port > 65536) {
|
|
|
627 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
|
541
|
628 "auth http server %V sent invalid server "
|
|
|
629 "port:\"%V\"",
|
|
|
630 &ctx->peer.peers->peer[0].name, &ctx->port);
|
|
547
|
631 ngx_destroy_pool(ctx->pool);
|
|
527
|
632 ngx_imap_session_internal_server_error(s);
|
|
|
633 return;
|
|
|
634 }
|
|
|
635
|
|
|
636 sin->sin_port = htons((in_port_t) port);
|
|
|
637
|
|
|
638 ctx->addr.data[ctx->addr.len] = '\0';
|
|
|
639 sin->sin_addr.s_addr = inet_addr((char *) ctx->addr.data);
|
|
|
640 if (sin->sin_addr.s_addr == INADDR_NONE) {
|
|
|
641 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
|
541
|
642 "auth http server %V sent invalid server "
|
|
|
643 "address:\"%V\"",
|
|
|
644 &ctx->peer.peers->peer[0].name, &ctx->addr);
|
|
547
|
645 ngx_destroy_pool(ctx->pool);
|
|
527
|
646 ngx_imap_session_internal_server_error(s);
|
|
|
647 return;
|
|
|
648 }
|
|
|
649
|
|
547
|
650 peers->number = 1;
|
|
527
|
651
|
|
547
|
652 peers->peer[0].sockaddr = (struct sockaddr *) sin;
|
|
|
653 peers->peer[0].socklen = sizeof(struct sockaddr_in);
|
|
527
|
654
|
|
|
655 len = ctx->addr.len + 1 + ctx->port.len;
|
|
|
656
|
|
547
|
657 peers->peer[0].name.len = len;
|
|
527
|
658
|
|
547
|
659 peers->peer[0].name.data = ngx_palloc(s->connection->pool, len);
|
|
|
660 if (peers->peer[0].name.data == NULL) {
|
|
|
661 ngx_destroy_pool(ctx->pool);
|
|
527
|
662 ngx_imap_session_internal_server_error(s);
|
|
|
663 return;
|
|
|
664 }
|
|
|
665
|
|
|
666 len = ctx->addr.len;
|
|
|
667
|
|
547
|
668 ngx_memcpy(peers->peer[0].name.data, ctx->addr.data, len);
|
|
527
|
669
|
|
547
|
670 peers->peer[0].name.data[len++] = ':';
|
|
527
|
671
|
|
547
|
672 ngx_memcpy(peers->peer[0].name.data + len,
|
|
527
|
673 ctx->port.data, ctx->port.len);
|
|
|
674
|
|
547
|
675 peers->peer[0].uri_separator = "";
|
|
527
|
676
|
|
547
|
677 ngx_destroy_pool(ctx->pool);
|
|
|
678 ngx_imap_proxy_init(s, peers);
|
|
527
|
679
|
|
|
680 return;
|
|
|
681 }
|
|
|
682
|
|
|
683 if (rc == NGX_AGAIN ) {
|
|
|
684 return;
|
|
|
685 }
|
|
|
686
|
|
|
687 /* rc == NGX_ERROR */
|
|
|
688
|
|
|
689 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
|
|
541
|
690 "auth http server %V sent invalid header in response",
|
|
|
691 &ctx->peer.peers->peer[0].name);
|
|
527
|
692 ngx_close_connection(ctx->peer.connection);
|
|
547
|
693 ngx_destroy_pool(ctx->pool);
|
|
527
|
694 ngx_imap_session_internal_server_error(s);
|
|
|
695
|
|
|
696 return;
|
|
|
697 }
|
|
|
698 }
|
|
|
699
|
|
521
|
700
|
|
527
|
701 static void
|
|
|
702 ngx_imap_auth_sleep_handler(ngx_event_t *rev)
|
|
|
703 {
|
|
543
|
704 ngx_connection_t *c;
|
|
|
705 ngx_imap_session_t *s;
|
|
|
706 ngx_imap_core_srv_conf_t *cscf;
|
|
527
|
707
|
|
|
708 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap auth sleep handler");
|
|
|
709
|
|
|
710 c = rev->data;
|
|
|
711 s = c->data;
|
|
|
712
|
|
|
713 if (rev->timedout) {
|
|
|
714
|
|
|
715 rev->timedout = 0;
|
|
|
716
|
|
|
717 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) {
|
|
|
718 s->imap_state = ngx_pop3_start;
|
|
|
719 s->connection->read->handler = ngx_pop3_auth_state;
|
|
|
720
|
|
|
721 } else {
|
|
|
722 s->imap_state = ngx_imap_start;
|
|
|
723 s->connection->read->handler = ngx_imap_auth_state;
|
|
|
724 }
|
|
|
725
|
|
543
|
726 c->log->action = "in auth state";
|
|
|
727
|
|
|
728 ngx_imap_send(s->connection->write);
|
|
|
729
|
|
|
730 if (c->closed) {
|
|
|
731 return;
|
|
|
732 }
|
|
|
733
|
|
|
734 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module);
|
|
|
735
|
|
|
736 ngx_add_timer(rev, cscf->timeout);
|
|
|
737
|
|
527
|
738 if (rev->ready) {
|
|
|
739 s->connection->read->handler(rev);
|
|
|
740 return;
|
|
|
741 }
|
|
|
742
|
|
|
743 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
|
744 ngx_imap_close_connection(s->connection);
|
|
|
745 }
|
|
|
746
|
|
|
747 return;
|
|
|
748 }
|
|
|
749
|
|
|
750 if (rev->active) {
|
|
|
751 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
|
752 ngx_imap_close_connection(s->connection);
|
|
|
753 }
|
|
|
754 }
|
|
|
755 }
|
|
|
756
|
|
|
757
|
|
|
758 static ngx_int_t
|
|
|
759 ngx_imap_auth_http_parse_header_line(ngx_imap_session_t *s,
|
|
|
760 ngx_imap_auth_http_ctx_t *ctx)
|
|
|
761 {
|
|
|
762 u_char c, ch, *p;
|
|
|
763 ngx_uint_t hash;
|
|
|
764 enum {
|
|
|
765 sw_start = 0,
|
|
|
766 sw_name,
|
|
|
767 sw_space_before_value,
|
|
|
768 sw_value,
|
|
|
769 sw_space_after_value,
|
|
577
|
770 sw_almost_done,
|
|
527
|
771 sw_header_almost_done
|
|
|
772 } state;
|
|
|
773
|
|
577
|
774 state = ctx->state;
|
|
527
|
775 hash = ctx->hash;
|
|
|
776
|
|
|
777 for (p = ctx->response->pos; p < ctx->response->last; p++) {
|
|
|
778 ch = *p;
|
|
|
779
|
|
|
780 switch (state) {
|
|
|
781
|
|
|
782 /* first char */
|
|
|
783 case sw_start:
|
|
|
784
|
|
|
785 switch (ch) {
|
|
|
786 case CR:
|
|
577
|
787 ctx->header_end = p;
|
|
527
|
788 state = sw_header_almost_done;
|
|
|
789 break;
|
|
577
|
790 case LF:
|
|
527
|
791 ctx->header_end = p;
|
|
|
792 goto header_done;
|
|
|
793 default:
|
|
|
794 state = sw_name;
|
|
|
795 ctx->header_name_start = p;
|
|
|
796
|
|
|
797 c = (u_char) (ch | 0x20);
|
|
|
798 if (c >= 'a' && c <= 'z') {
|
|
|
799 hash = c;
|
|
|
800 break;
|
|
|
801 }
|
|
|
802
|
|
|
803 if (ch >= '0' && ch <= '9') {
|
|
|
804 hash = ch;
|
|
|
805 break;
|
|
|
806 }
|
|
|
807
|
|
|
808 return NGX_ERROR;
|
|
|
809 }
|
|
|
810 break;
|
|
|
811
|
|
|
812 /* header name */
|
|
|
813 case sw_name:
|
|
|
814 c = (u_char) (ch | 0x20);
|
|
|
815 if (c >= 'a' && c <= 'z') {
|
|
|
816 hash += c;
|
|
|
817 break;
|
|
|
818 }
|
|
|
819
|
|
|
820 if (ch == ':') {
|
|
|
821 ctx->header_name_end = p;
|
|
|
822 state = sw_space_before_value;
|
|
|
823 break;
|
|
|
824 }
|
|
|
825
|
|
|
826 if (ch == '-') {
|
|
|
827 hash += ch;
|
|
|
828 break;
|
|
|
829 }
|
|
|
830
|
|
|
831 if (ch >= '0' && ch <= '9') {
|
|
|
832 hash += ch;
|
|
|
833 break;
|
|
|
834 }
|
|
|
835
|
|
|
836 if (ch == CR) {
|
|
|
837 ctx->header_name_end = p;
|
|
|
838 ctx->header_start = p;
|
|
|
839 ctx->header_end = p;
|
|
|
840 state = sw_almost_done;
|
|
|
841 break;
|
|
|
842 }
|
|
|
843
|
|
|
844 if (ch == LF) {
|
|
|
845 ctx->header_name_end = p;
|
|
|
846 ctx->header_start = p;
|
|
|
847 ctx->header_end = p;
|
|
|
848 goto done;
|
|
|
849 }
|
|
|
850
|
|
|
851 return NGX_ERROR;
|
|
|
852
|
|
|
853 /* space* before header value */
|
|
|
854 case sw_space_before_value:
|
|
|
855 switch (ch) {
|
|
|
856 case ' ':
|
|
|
857 break;
|
|
|
858 case CR:
|
|
|
859 ctx->header_start = p;
|
|
|
860 ctx->header_end = p;
|
|
|
861 state = sw_almost_done;
|
|
|
862 break;
|
|
|
863 case LF:
|
|
|
864 ctx->header_start = p;
|
|
|
865 ctx->header_end = p;
|
|
|
866 goto done;
|
|
|
867 default:
|
|
|
868 ctx->header_start = p;
|
|
|
869 state = sw_value;
|
|
|
870 break;
|
|
|
871 }
|
|
|
872 break;
|
|
|
873
|
|
|
874 /* header value */
|
|
|
875 case sw_value:
|
|
|
876 switch (ch) {
|
|
|
877 case ' ':
|
|
|
878 ctx->header_end = p;
|
|
|
879 state = sw_space_after_value;
|
|
|
880 break;
|
|
|
881 case CR:
|
|
|
882 ctx->header_end = p;
|
|
|
883 state = sw_almost_done;
|
|
|
884 break;
|
|
|
885 case LF:
|
|
|
886 ctx->header_end = p;
|
|
|
887 goto done;
|
|
|
888 }
|
|
|
889 break;
|
|
|
890
|
|
|
891 /* space* before end of header line */
|
|
|
892 case sw_space_after_value:
|
|
|
893 switch (ch) {
|
|
|
894 case ' ':
|
|
|
895 break;
|
|
|
896 case CR:
|
|
|
897 state = sw_almost_done;
|
|
|
898 break;
|
|
|
899 case LF:
|
|
|
900 goto done;
|
|
|
901 default:
|
|
|
902 state = sw_value;
|
|
|
903 break;
|
|
|
904 }
|
|
|
905 break;
|
|
|
906
|
|
|
907 /* end of header line */
|
|
|
908 case sw_almost_done:
|
|
|
909 switch (ch) {
|
|
|
910 case LF:
|
|
|
911 goto done;
|
|
|
912 default:
|
|
|
913 return NGX_ERROR;
|
|
|
914 }
|
|
|
915
|
|
|
916 /* end of header */
|
|
|
917 case sw_header_almost_done:
|
|
|
918 switch (ch) {
|
|
|
919 case LF:
|
|
|
920 goto header_done;
|
|
|
921 default:
|
|
|
922 return NGX_ERROR;
|
|
|
923 }
|
|
|
924 }
|
|
|
925 }
|
|
|
926
|
|
|
927 ctx->response->pos = p;
|
|
|
928 ctx->state = state;
|
|
|
929 ctx->hash = hash;
|
|
|
930
|
|
|
931 return NGX_AGAIN;
|
|
|
932
|
|
|
933 done:
|
|
|
934
|
|
|
935 ctx->response->pos = p + 1;
|
|
|
936 ctx->state = sw_start;
|
|
|
937 ctx->hash = hash;
|
|
|
938
|
|
|
939 return NGX_OK;
|
|
|
940
|
|
|
941 header_done:
|
|
|
942
|
|
|
943 ctx->response->pos = p + 1;
|
|
|
944 ctx->state = sw_start;
|
|
|
945
|
|
|
946 return NGX_DONE;
|
|
521
|
947 }
|
|
|
948
|
|
|
949
|
|
|
950 static void
|
|
|
951 ngx_imap_auth_http_block_read(ngx_event_t *rev)
|
|
|
952 {
|
|
|
953 ngx_connection_t *c;
|
|
|
954 ngx_imap_session_t *s;
|
|
|
955 ngx_imap_auth_http_ctx_t *ctx;
|
|
|
956
|
|
|
957 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0,
|
|
|
958 "imap auth http block read");
|
|
|
959
|
|
|
960 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
|
961 c = rev->data;
|
|
|
962 s = c->data;
|
|
|
963
|
|
|
964 ctx = ngx_imap_get_module_ctx(s, ngx_imap_auth_http_module);
|
|
|
965
|
|
525
|
966 ngx_close_connection(ctx->peer.connection);
|
|
547
|
967 ngx_destroy_pool(ctx->pool);
|
|
525
|
968 ngx_imap_session_internal_server_error(s);
|
|
521
|
969 }
|
|
|
970 }
|
|
|
971
|
|
|
972
|
|
|
973 static void
|
|
|
974 ngx_imap_auth_http_dummy_handler(ngx_event_t *ev)
|
|
|
975 {
|
|
|
976 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, ev->log, 0,
|
|
|
977 "imap auth http dummy handler");
|
|
|
978 }
|
|
|
979
|
|
|
980
|
|
|
981 static ngx_buf_t *
|
|
547
|
982 ngx_imap_auth_http_create_request(ngx_imap_session_t *s, ngx_pool_t *pool,
|
|
521
|
983 ngx_imap_auth_http_conf_t *ahcf)
|
|
|
984 {
|
|
|
985 size_t len;
|
|
|
986 ngx_buf_t *b;
|
|
|
987
|
|
|
988 len = sizeof("GET ") - 1 + ahcf->uri.len + sizeof(" HTTP/1.0" CRLF) - 1
|
|
|
989 + sizeof("Host: ") - 1 + ahcf->host_header.len + sizeof(CRLF) - 1
|
|
|
990 + sizeof("Auth-Method: plain" CRLF) - 1
|
|
|
991 + sizeof("Auth-User: ") - 1 + s->login.len + sizeof(CRLF) - 1
|
|
|
992 + sizeof("Auth-Pass: ") - 1 + s->passwd.len + sizeof(CRLF) - 1
|
|
|
993 + sizeof("Auth-Protocol: imap" CRLF) - 1
|
|
527
|
994 + sizeof("Auth-Login-Attempt: ") - 1 + NGX_INT_T_LEN
|
|
|
995 + sizeof(CRLF) - 1
|
|
521
|
996 + sizeof("Client-IP: ") - 1 + s->connection->addr_text.len
|
|
|
997 + sizeof(CRLF) - 1
|
|
|
998 + sizeof(CRLF) - 1;
|
|
|
999
|
|
547
|
1000 b = ngx_create_temp_buf(pool, len);
|
|
521
|
1001 if (b == NULL) {
|
|
|
1002 return NULL;
|
|
|
1003 }
|
|
|
1004
|
|
|
1005 b->last = ngx_cpymem(b->last, "GET ", sizeof("GET ") - 1);
|
|
573
|
1006 b->last = ngx_copy(b->last, ahcf->uri.data, ahcf->uri.len);
|
|
521
|
1007 b->last = ngx_cpymem(b->last, " HTTP/1.0" CRLF,
|
|
|
1008 sizeof(" HTTP/1.0" CRLF) - 1);
|
|
|
1009
|
|
|
1010 b->last = ngx_cpymem(b->last, "Host: ", sizeof("Host: ") - 1);
|
|
573
|
1011 b->last = ngx_copy(b->last, ahcf->host_header.data,
|
|
521
|
1012 ahcf->host_header.len);
|
|
|
1013 *b->last++ = CR; *b->last++ = LF;
|
|
|
1014
|
|
|
1015 b->last = ngx_cpymem(b->last, "Auth-Method: plain" CRLF,
|
|
|
1016 sizeof("Auth-Method: plain" CRLF) - 1);
|
|
|
1017
|
|
|
1018 b->last = ngx_cpymem(b->last, "Auth-User: ", sizeof("Auth-User: ") - 1);
|
|
573
|
1019 b->last = ngx_copy(b->last, s->login.data, s->login.len);
|
|
521
|
1020 *b->last++ = CR; *b->last++ = LF;
|
|
|
1021
|
|
|
1022 b->last = ngx_cpymem(b->last, "Auth-Pass: ", sizeof("Auth-Pass: ") - 1);
|
|
573
|
1023 b->last = ngx_copy(b->last, s->passwd.data, s->passwd.len);
|
|
521
|
1024 *b->last++ = CR; *b->last++ = LF;
|
|
|
1025
|
|
|
1026 b->last = ngx_cpymem(b->last, "Auth-Protocol: ",
|
|
|
1027 sizeof("Auth-Protocol: ") - 1);
|
|
|
1028 b->last = ngx_cpymem(b->last, ngx_imap_auth_http_protocol[s->protocol],
|
|
|
1029 sizeof("imap") - 1);
|
|
|
1030 *b->last++ = CR; *b->last++ = LF;
|
|
|
1031
|
|
527
|
1032 b->last = ngx_sprintf(b->last, "Auth-Login-Attempt: %ui" CRLF,
|
|
|
1033 s->login_attempt);
|
|
|
1034
|
|
521
|
1035 b->last = ngx_cpymem(b->last, "Client-IP: ", sizeof("Client-IP: ") - 1);
|
|
573
|
1036 b->last = ngx_copy(b->last, s->connection->addr_text.data,
|
|
521
|
1037 s->connection->addr_text.len);
|
|
|
1038 *b->last++ = CR; *b->last++ = LF;
|
|
|
1039
|
|
573
|
1040 if (ahcf->header.len) {
|
|
|
1041 b->last = ngx_copy(b->last, ahcf->header.data, ahcf->header.len);
|
|
|
1042 }
|
|
|
1043
|
|
521
|
1044 /* add "\r\n" at the header end */
|
|
|
1045 *b->last++ = CR; *b->last++ = LF;
|
|
|
1046
|
|
547
|
1047 #if (NGX_DEBUG_IMAP_PASSWD)
|
|
521
|
1048 {
|
|
|
1049 ngx_str_t l;
|
|
|
1050
|
|
|
1051 l.len = b->last - b->pos;
|
|
|
1052 l.data = b->pos;
|
|
527
|
1053 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0,
|
|
521
|
1054 "imap auth http header:\n\"%V\"", &l);
|
|
|
1055 }
|
|
|
1056 #endif
|
|
|
1057
|
|
|
1058 return b;
|
|
|
1059 }
|
|
|
1060
|
|
|
1061
|
|
|
1062 static void *
|
|
|
1063 ngx_imap_auth_http_create_conf(ngx_conf_t *cf)
|
|
577
|
1064 {
|
|
521
|
1065 ngx_imap_auth_http_conf_t *ahcf;
|
|
577
|
1066
|
|
521
|
1067 ahcf = ngx_pcalloc(cf->pool, sizeof(ngx_imap_auth_http_conf_t));
|
|
|
1068 if (ahcf == NULL) {
|
|
|
1069 return NGX_CONF_ERROR;
|
|
|
1070 }
|
|
|
1071
|
|
|
1072 ahcf->timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1073
|
|
|
1074 return ahcf;
|
|
|
1075 }
|
|
|
1076
|
|
|
1077
|
|
|
1078 static char *
|
|
|
1079 ngx_imap_auth_http_merge_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1080 {
|
|
|
1081 ngx_imap_auth_http_conf_t *prev = parent;
|
|
|
1082 ngx_imap_auth_http_conf_t *conf = child;
|
|
|
1083
|
|
573
|
1084 u_char *p;
|
|
|
1085 size_t len;
|
|
|
1086 ngx_uint_t i;
|
|
|
1087 ngx_table_elt_t *header;
|
|
|
1088
|
|
521
|
1089 if (conf->peers == NULL) {
|
|
|
1090 conf->peers = prev->peers;
|
|
|
1091 conf->host_header = prev->host_header;
|
|
|
1092 conf->uri = prev->uri;
|
|
|
1093 }
|
|
|
1094
|
|
|
1095 ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 60000);
|
|
|
1096
|
|
573
|
1097 if (conf->headers == NULL) {
|
|
|
1098 conf->headers = prev->headers;
|
|
|
1099 conf->header = prev->header;
|
|
|
1100 }
|
|
|
1101
|
|
|
1102 if (conf->headers && conf->header.len == 0) {
|
|
|
1103 len = 0;
|
|
|
1104 header = conf->headers->elts;
|
|
|
1105 for (i = 0; i < conf->headers->nelts; i++) {
|
|
|
1106 len += header[i].key.len + 2 + header[i].value.len + 2;
|
|
|
1107 }
|
|
|
1108
|
|
|
1109 p = ngx_palloc(cf->pool, len);
|
|
|
1110 if (p == NULL) {
|
|
|
1111 return NGX_CONF_ERROR;
|
|
|
1112 }
|
|
|
1113
|
|
|
1114 conf->header.len = len;
|
|
|
1115 conf->header.data = p;
|
|
|
1116
|
|
|
1117 for (i = 0; i < conf->headers->nelts; i++) {
|
|
|
1118 p = ngx_cpymem(p, header[i].key.data, header[i].key.len);
|
|
|
1119 *p++ = ':'; *p++ = ' ';
|
|
|
1120 p = ngx_cpymem(p, header[i].value.data, header[i].value.len);
|
|
|
1121 *p++ = CR; *p++ = LF;
|
|
|
1122 }
|
|
|
1123 }
|
|
|
1124
|
|
521
|
1125 return NGX_CONF_OK;
|
|
|
1126 }
|
|
|
1127
|
|
|
1128
|
|
|
1129 static char *
|
|
|
1130 ngx_imap_auth_http(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
577
|
1131 {
|
|
521
|
1132 ngx_imap_auth_http_conf_t *ahcf = conf;
|
|
|
1133
|
|
|
1134 ngx_str_t *value, *url;
|
|
|
1135 ngx_inet_upstream_t inet_upstream;
|
|
|
1136 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
1137 ngx_unix_domain_upstream_t unix_upstream;
|
|
|
1138 #endif
|
|
573
|
1139
|
|
521
|
1140 value = cf->args->elts;
|
|
|
1141
|
|
|
1142 url = &value[1];
|
|
|
1143
|
|
|
1144 if (ngx_strncasecmp(url->data, "unix:", 5) == 0) {
|
|
|
1145
|
|
|
1146 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
1147
|
|
|
1148 ngx_memzero(&unix_upstream, sizeof(ngx_unix_domain_upstream_t));
|
|
|
1149
|
|
|
1150 unix_upstream.name = *url;
|
|
|
1151 unix_upstream.url = *url;
|
|
|
1152 unix_upstream.uri_part = 1;
|
|
|
1153
|
|
|
1154 ahcf->peers = ngx_unix_upstream_parse(cf, &unix_upstream);
|
|
|
1155 if (ahcf->peers == NULL) {
|
|
|
1156 return NGX_CONF_ERROR;
|
|
|
1157 }
|
|
|
1158
|
|
|
1159 ahcf->host_header.len = sizeof("localhost") - 1;
|
|
|
1160 ahcf->host_header.data = (u_char *) "localhost";
|
|
|
1161 ahcf->uri = unix_upstream.uri;
|
|
577
|
1162
|
|
521
|
1163 #else
|
|
|
1164 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1165 "the unix domain sockets are not supported "
|
|
|
1166 "on this platform");
|
|
|
1167 return NGX_CONF_ERROR;
|
|
577
|
1168
|
|
521
|
1169 #endif
|
|
|
1170
|
|
|
1171 } else {
|
|
|
1172 ngx_memzero(&inet_upstream, sizeof(ngx_inet_upstream_t));
|
|
|
1173
|
|
|
1174 inet_upstream.name = *url;
|
|
|
1175 inet_upstream.url = *url;
|
|
|
1176 inet_upstream.default_port_value = 80;
|
|
|
1177 inet_upstream.uri_part = 1;
|
|
|
1178
|
|
|
1179 ahcf->peers = ngx_inet_upstream_parse(cf, &inet_upstream);
|
|
|
1180 if (ahcf->peers == NULL) {
|
|
|
1181 return NGX_CONF_ERROR;
|
|
|
1182 }
|
|
|
1183
|
|
|
1184 ahcf->host_header = inet_upstream.host_header;
|
|
|
1185 ahcf->uri = inet_upstream.uri;
|
|
|
1186 }
|
|
|
1187
|
|
559
|
1188 if (ahcf->uri.len == 0) {
|
|
555
|
1189 ahcf->uri.len = sizeof("/") - 1;
|
|
|
1190 ahcf->uri.data = (u_char *) "/";
|
|
|
1191 }
|
|
|
1192
|
|
521
|
1193 return NGX_CONF_OK;
|
|
|
1194 }
|
|
573
|
1195
|
|
|
1196
|
|
|
1197 static char *
|
|
|
1198 ngx_imap_auth_http_header(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
577
|
1199 {
|
|
573
|
1200 ngx_imap_auth_http_conf_t *ahcf = conf;
|
|
|
1201
|
|
|
1202 ngx_str_t *value;
|
|
|
1203 ngx_table_elt_t *header;
|
|
|
1204
|
|
|
1205 if (ahcf->headers == NULL) {
|
|
|
1206 ahcf->headers = ngx_array_create(cf->pool, 1, sizeof(ngx_table_elt_t));
|
|
|
1207 if (ahcf->headers == NULL) {
|
|
|
1208 return NGX_CONF_ERROR;
|
|
|
1209 }
|
|
|
1210 }
|
|
|
1211
|
|
|
1212 header = ngx_array_push(ahcf->headers);
|
|
|
1213 if (header == NULL) {
|
|
|
1214 return NGX_CONF_ERROR;
|
|
|
1215 }
|
|
|
1216
|
|
|
1217 value = cf->args->elts;
|
|
|
1218
|
|
|
1219 header->key = value[1];
|
|
|
1220 header->value = value[2];
|
|
|
1221
|
|
|
1222 return NGX_CONF_OK;
|
|
|
1223 }
|
