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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_http.h>
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11
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12
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13 typedef struct ngx_http_proxy_redirect_s ngx_http_proxy_redirect_t;
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14
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15 typedef ngx_int_t (*ngx_http_proxy_redirect_pt)(ngx_http_request_t *r,
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16 ngx_table_elt_t *h, size_t prefix, ngx_http_proxy_redirect_t *pr);
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17
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18 struct ngx_http_proxy_redirect_s {
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19 ngx_http_proxy_redirect_pt handler;
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20 ngx_str_t redirect;
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21
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22 union {
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23 ngx_str_t text;
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24
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25 struct {
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26 void *lengths;
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27 void *values;
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28 } vars;
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29
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30 void *regex;
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31 } replacement;
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32 };
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33
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34
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35 typedef struct {
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36 ngx_http_upstream_conf_t upstream;
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37
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38 ngx_peers_t *peers;
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39
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40 ngx_array_t *flushes;
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41 ngx_array_t *body_set_len;
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42 ngx_array_t *body_set;
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43 ngx_array_t *headers_set_len;
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44 ngx_array_t *headers_set;
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45 ngx_hash0_t *headers_set_hash;
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46
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47 ngx_array_t *headers_source;
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48 ngx_array_t *headers_names;
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49
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50 ngx_array_t *redirects;
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51
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52 ngx_str_t body_source;
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53
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54 ngx_str_t method;
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55 ngx_str_t host_header;
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56 ngx_str_t port_text;
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57
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58 ngx_flag_t redirect;
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59 } ngx_http_proxy_loc_conf_t;
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60
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61
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62 typedef struct {
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63 ngx_uint_t status;
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64 ngx_uint_t status_count;
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65 u_char *status_start;
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66 u_char *status_end;
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67
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68 size_t internal_body_length;
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69 } ngx_http_proxy_ctx_t;
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70
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71
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72 #define NGX_HTTP_PROXY_PARSE_NO_HEADER 20
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73
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74
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75 static ngx_int_t ngx_http_proxy_create_request(ngx_http_request_t *r);
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76 static ngx_int_t ngx_http_proxy_reinit_request(ngx_http_request_t *r);
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77 static ngx_int_t ngx_http_proxy_process_status_line(ngx_http_request_t *r);
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78 static ngx_int_t ngx_http_proxy_parse_status_line(ngx_http_request_t *r,
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79 ngx_http_proxy_ctx_t *p);
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80 static ngx_int_t ngx_http_proxy_process_header(ngx_http_request_t *r);
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81 static void ngx_http_proxy_abort_request(ngx_http_request_t *r);
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82 static void ngx_http_proxy_finalize_request(ngx_http_request_t *r,
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83 ngx_int_t rc);
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84
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85 static ngx_int_t ngx_http_proxy_host_variable(ngx_http_request_t *r,
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86 ngx_http_variable_value_t *v, uintptr_t data);
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87 static ngx_int_t ngx_http_proxy_port_variable(ngx_http_request_t *r,
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88 ngx_http_variable_value_t *v, uintptr_t data);
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89 static ngx_int_t
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90 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
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91 ngx_http_variable_value_t *v, uintptr_t data);
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92 static ngx_int_t
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93 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
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94 ngx_http_variable_value_t *v, uintptr_t data);
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95 static ngx_int_t ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r,
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96 ngx_table_elt_t *h, size_t prefix);
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97
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98 static ngx_int_t ngx_http_proxy_add_variables(ngx_conf_t *cf);
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99 static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf);
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100 static char *ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf,
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101 void *parent, void *child);
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102
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103 static char *ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd,
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104 void *conf);
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105 static char *ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd,
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106 void *conf);
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107
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108 static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data);
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109
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110
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111 static ngx_conf_post_t ngx_http_proxy_lowat_post =
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112 { ngx_http_proxy_lowat_check };
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113
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114 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_header_buffer_size = {
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115 ngx_conf_deprecated, "proxy_header_buffer_size", "proxy_buffer_size"
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116 };
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117
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118
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119 static ngx_conf_bitmask_t ngx_http_proxy_next_upstream_masks[] = {
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120 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
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121 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
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122 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
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123 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
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124 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
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125 { ngx_null_string, 0 }
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126 };
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127
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128
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129 static ngx_command_t ngx_http_proxy_commands[] = {
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130
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131 { ngx_string("proxy_pass"),
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132 NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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133 ngx_http_proxy_pass,
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134 NGX_HTTP_LOC_CONF_OFFSET,
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135 0,
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136 NULL },
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137
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138 { ngx_string("proxy_redirect"),
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139 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
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140 ngx_http_proxy_redirect,
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141 NGX_HTTP_LOC_CONF_OFFSET,
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142 0,
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143 NULL },
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144
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145 { ngx_string("proxy_buffering"),
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146 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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147 ngx_conf_set_flag_slot,
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148 NGX_HTTP_LOC_CONF_OFFSET,
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149 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffering),
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150 NULL },
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151
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152 { ngx_string("proxy_connect_timeout"),
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153 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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154 ngx_conf_set_msec_slot,
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155 NGX_HTTP_LOC_CONF_OFFSET,
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156 offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout),
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157 NULL },
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158
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159 { ngx_string("proxy_send_timeout"),
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160 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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161 ngx_conf_set_msec_slot,
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162 NGX_HTTP_LOC_CONF_OFFSET,
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163 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout),
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164 NULL },
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165
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166 { ngx_string("proxy_send_lowat"),
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167 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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168 ngx_conf_set_size_slot,
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169 NGX_HTTP_LOC_CONF_OFFSET,
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170 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat),
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171 &ngx_http_proxy_lowat_post },
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172
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173 { ngx_string("proxy_redirect_errors"),
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174 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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175 ngx_conf_set_flag_slot,
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176 NGX_HTTP_LOC_CONF_OFFSET,
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177 offsetof(ngx_http_proxy_loc_conf_t, upstream.redirect_errors),
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178 NULL },
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179
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180 { ngx_string("proxy_set_header"),
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181 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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182 ngx_conf_set_table_elt_slot,
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183 NGX_HTTP_LOC_CONF_OFFSET,
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184 offsetof(ngx_http_proxy_loc_conf_t, headers_source),
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185 NULL },
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186
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187 { ngx_string("proxy_set_body"),
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188 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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189 ngx_conf_set_str_slot,
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190 NGX_HTTP_LOC_CONF_OFFSET,
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191 offsetof(ngx_http_proxy_loc_conf_t, body_source),
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192 NULL },
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193
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194 { ngx_string("proxy_method"),
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195 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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196 ngx_conf_set_str_slot,
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197 NGX_HTTP_LOC_CONF_OFFSET,
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198 offsetof(ngx_http_proxy_loc_conf_t, method),
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199 NULL },
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200
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201 { ngx_string("proxy_pass_request_headers"),
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202 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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203 ngx_conf_set_flag_slot,
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204 NGX_HTTP_LOC_CONF_OFFSET,
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205 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers),
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206 NULL },
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207
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208 { ngx_string("proxy_pass_request_body"),
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209 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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210 ngx_conf_set_flag_slot,
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211 NGX_HTTP_LOC_CONF_OFFSET,
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212 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body),
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213 NULL },
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214
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215 { ngx_string("proxy_buffer_size"),
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216 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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217 ngx_conf_set_size_slot,
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218 NGX_HTTP_LOC_CONF_OFFSET,
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219 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
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220 NULL },
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221
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222 { ngx_string("proxy_header_buffer_size"),
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223 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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224 ngx_conf_set_size_slot,
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225 NGX_HTTP_LOC_CONF_OFFSET,
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226 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
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227 &ngx_conf_deprecated_proxy_header_buffer_size },
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228
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229 { ngx_string("proxy_read_timeout"),
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230 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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231 ngx_conf_set_msec_slot,
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232 NGX_HTTP_LOC_CONF_OFFSET,
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233 offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout),
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234 NULL },
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235
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236 { ngx_string("proxy_buffers"),
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237 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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238 ngx_conf_set_bufs_slot,
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239 NGX_HTTP_LOC_CONF_OFFSET,
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240 offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs),
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241 NULL },
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242
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243 { ngx_string("proxy_busy_buffers_size"),
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244 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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245 ngx_conf_set_size_slot,
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246 NGX_HTTP_LOC_CONF_OFFSET,
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247 offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf),
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248 NULL },
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249
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250 { ngx_string("proxy_temp_path"),
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251 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
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252 ngx_conf_set_path_slot,
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253 NGX_HTTP_LOC_CONF_OFFSET,
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254 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path),
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255 (void *) ngx_garbage_collector_temp_handler },
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256
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257 { ngx_string("proxy_max_temp_file_size"),
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258 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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259 ngx_conf_set_size_slot,
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260 NGX_HTTP_LOC_CONF_OFFSET,
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261 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf),
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262 NULL },
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263
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264 { ngx_string("proxy_temp_file_write_size"),
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265 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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266 ngx_conf_set_size_slot,
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267 NGX_HTTP_LOC_CONF_OFFSET,
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268 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_file_write_size_conf),
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269 NULL },
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270
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271 { ngx_string("proxy_next_upstream"),
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272 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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273 ngx_conf_set_bitmask_slot,
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274 NGX_HTTP_LOC_CONF_OFFSET,
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275 offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream),
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276 &ngx_http_proxy_next_upstream_masks },
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277
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561
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278 { ngx_string("proxy_upstream_max_fails"),
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279 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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280 ngx_conf_set_num_slot,
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281 NGX_HTTP_LOC_CONF_OFFSET,
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282 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_fails),
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283 NULL },
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284
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285 { ngx_string("proxy_upstream_fail_timeout"),
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286 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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287 ngx_conf_set_sec_slot,
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288 NGX_HTTP_LOC_CONF_OFFSET,
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289 offsetof(ngx_http_proxy_loc_conf_t, upstream.fail_timeout),
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290 NULL },
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291
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292 { ngx_string("proxy_pass_x_powered_by"),
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293 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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294 ngx_conf_set_flag_slot,
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295 NGX_HTTP_LOC_CONF_OFFSET,
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296 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_x_powered_by),
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297 NULL },
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298
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299 { ngx_string("proxy_pass_server"),
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300 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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301 ngx_conf_set_flag_slot,
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302 NGX_HTTP_LOC_CONF_OFFSET,
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303 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_server),
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304 NULL },
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305
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306 { ngx_string("proxy_pass_x_accel_expires"),
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307 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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308 ngx_conf_set_flag_slot,
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309 NGX_HTTP_LOC_CONF_OFFSET,
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310 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_x_accel_expires),
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311 NULL },
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312
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313 ngx_null_command
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314 };
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315
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316
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317 ngx_http_module_t ngx_http_proxy_module_ctx = {
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318 ngx_http_proxy_add_variables, /* preconfiguration */
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319 NULL, /* postconfiguration */
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320
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321 NULL, /* create main configuration */
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322 NULL, /* init main configuration */
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323
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324 NULL, /* create server configuration */
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325 NULL, /* merge server configuration */
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326
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327 ngx_http_proxy_create_loc_conf, /* create location configration */
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328 ngx_http_proxy_merge_loc_conf /* merge location configration */
|
|
|
329 };
|
|
|
330
|
|
|
331
|
|
|
332 ngx_module_t ngx_http_proxy_module = {
|
|
509
|
333 NGX_MODULE_V1,
|
|
507
|
334 &ngx_http_proxy_module_ctx, /* module context */
|
|
|
335 ngx_http_proxy_commands, /* module directives */
|
|
|
336 NGX_HTTP_MODULE, /* module type */
|
|
541
|
337 NULL, /* init master */
|
|
509
|
338 NULL, /* init module */
|
|
541
|
339 NULL, /* init process */
|
|
|
340 NULL, /* init thread */
|
|
|
341 NULL, /* exit thread */
|
|
|
342 NULL, /* exit process */
|
|
|
343 NULL, /* exit master */
|
|
|
344 NGX_MODULE_V1_PADDING
|
|
507
|
345 };
|
|
|
346
|
|
|
347
|
|
|
348 static char ngx_http_proxy_version[] = " HTTP/1.0" CRLF;
|
|
|
349
|
|
509
|
350
|
|
|
351 static ngx_table_elt_t ngx_http_proxy_headers[] = {
|
|
517
|
352 { 0, ngx_string("Host"), ngx_string("$proxy_host") },
|
|
|
353 { 0, ngx_string("Connection"), ngx_string("close") },
|
|
581
|
354 { 0, ngx_string("Keep-Alive"), ngx_string("") },
|
|
509
|
355 { 0, ngx_null_string, ngx_null_string }
|
|
|
356 };
|
|
|
357
|
|
|
358
|
|
|
359 static ngx_http_variable_t ngx_http_proxy_vars[] = {
|
|
|
360
|
|
|
361 { ngx_string("proxy_host"), ngx_http_proxy_host_variable, 0,
|
|
583
|
362 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
509
|
363
|
|
|
364 { ngx_string("proxy_port"), ngx_http_proxy_port_variable, 0,
|
|
583
|
365 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
509
|
366
|
|
|
367 { ngx_string("proxy_add_x_forwarded_for"),
|
|
583
|
368 ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
509
|
369
|
|
|
370 #if 0
|
|
583
|
371 { ngx_string("proxy_add_via"), NULL, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
509
|
372 #endif
|
|
|
373
|
|
577
|
374 { ngx_string("proxy_internal_body_length"),
|
|
583
|
375 ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
577
|
376
|
|
533
|
377 { ngx_null_string, NULL, 0, 0, 0 }
|
|
509
|
378 };
|
|
507
|
379
|
|
|
380
|
|
|
381 static ngx_int_t
|
|
|
382 ngx_http_proxy_handler(ngx_http_request_t *r)
|
|
577
|
383 {
|
|
507
|
384 ngx_int_t rc;
|
|
|
385 ngx_http_upstream_t *u;
|
|
|
386 ngx_http_proxy_loc_conf_t *plcf;
|
|
577
|
387
|
|
507
|
388 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
577
|
389
|
|
507
|
390 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t));
|
|
|
391 if (u == NULL) {
|
|
|
392 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
393 }
|
|
577
|
394
|
|
507
|
395 u->peer.log = r->connection->log;
|
|
|
396 u->peer.log_error = NGX_ERROR_ERR;
|
|
|
397 u->peer.peers = plcf->peers;
|
|
|
398 u->peer.tries = plcf->peers->number;
|
|
|
399 #if (NGX_THREADS)
|
|
|
400 u->peer.lock = &r->connection->lock;
|
|
|
401 #endif
|
|
|
402
|
|
|
403 u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module;
|
|
|
404
|
|
|
405 u->conf = &plcf->upstream;
|
|
|
406
|
|
|
407 u->create_request = ngx_http_proxy_create_request;
|
|
|
408 u->reinit_request = ngx_http_proxy_reinit_request;
|
|
509
|
409 u->process_header = ngx_http_proxy_process_status_line;
|
|
507
|
410 u->abort_request = ngx_http_proxy_abort_request;
|
|
|
411 u->finalize_request = ngx_http_proxy_finalize_request;
|
|
|
412
|
|
509
|
413 if (plcf->redirects) {
|
|
|
414 u->rewrite_redirect = ngx_http_proxy_rewrite_redirect;
|
|
|
415 }
|
|
|
416
|
|
581
|
417 if (plcf->upstream.buffering) {
|
|
|
418
|
|
|
419 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
|
|
|
420 if (u->pipe == NULL) {
|
|
|
421 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
422 }
|
|
|
423
|
|
|
424 u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
|
|
|
425 }
|
|
507
|
426
|
|
509
|
427 u->accel = 1;
|
|
577
|
428
|
|
507
|
429 r->upstream = u;
|
|
|
430
|
|
|
431 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
|
432
|
|
|
433 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
|
434 return rc;
|
|
|
435 }
|
|
|
436
|
|
|
437 return NGX_DONE;
|
|
|
438 }
|
|
|
439
|
|
|
440
|
|
|
441 static ngx_int_t
|
|
|
442 ngx_http_proxy_create_request(ngx_http_request_t *r)
|
|
|
443 {
|
|
577
|
444 size_t len, loc_len, body_len;
|
|
609
|
445 ngx_uint_t i, key, unparsed_uri;
|
|
509
|
446 uintptr_t escape;
|
|
|
447 ngx_buf_t *b;
|
|
561
|
448 ngx_str_t *hh, method;
|
|
509
|
449 ngx_chain_t *cl, *body;
|
|
|
450 ngx_list_part_t *part;
|
|
|
451 ngx_table_elt_t *header;
|
|
|
452 ngx_http_upstream_t *u;
|
|
577
|
453 ngx_http_proxy_ctx_t *p;
|
|
509
|
454 ngx_http_script_code_pt code;
|
|
|
455 ngx_http_script_engine_t e, le;
|
|
|
456 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
457 ngx_http_script_len_code_pt lcode;
|
|
507
|
458
|
|
|
459 u = r->upstream;
|
|
|
460
|
|
|
461 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
462
|
|
577
|
463 p = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t));
|
|
|
464 if (p == NULL) {
|
|
|
465 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
466 }
|
|
|
467
|
|
|
468 ngx_http_set_ctx(r, p, ngx_http_proxy_module);
|
|
|
469
|
|
507
|
470 len = sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1;
|
|
|
471
|
|
561
|
472 if (u->method.len) {
|
|
|
473 /* HEAD was changed to GET to cache response */
|
|
|
474 method = u->method;
|
|
|
475 method.len++;
|
|
|
476
|
|
|
477 } else if (plcf->method.len) {
|
|
|
478 method = plcf->method;
|
|
|
479
|
|
507
|
480 } else {
|
|
561
|
481 method = r->method_name;
|
|
|
482 method.len++;
|
|
507
|
483 }
|
|
|
484
|
|
561
|
485 len += method.len + u->conf->uri.len;
|
|
|
486
|
|
507
|
487 escape = 0;
|
|
509
|
488
|
|
573
|
489 loc_len = r->valid_location ? u->conf->location.len : 0;
|
|
509
|
490
|
|
609
|
491 if (u->conf->uri.len == 0 && r->valid_unparsed_uri && r == r->main) {
|
|
|
492 unparsed_uri = 1;
|
|
539
|
493 len += r->unparsed_uri.len;
|
|
507
|
494
|
|
|
495 } else {
|
|
609
|
496 unparsed_uri = 0;
|
|
507
|
497 if (r->quoted_uri) {
|
|
509
|
498 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
|
|
|
499 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
507
|
500 }
|
|
|
501
|
|
509
|
502 len += r->uri.len - loc_len + escape + sizeof("?") - 1 + r->args.len;
|
|
507
|
503 }
|
|
|
504
|
|
573
|
505 ngx_http_script_flush_no_cachable_variables(r, plcf->flushes);
|
|
|
506
|
|
577
|
507 if (plcf->body_set_len) {
|
|
|
508 le.ip = plcf->body_set_len->elts;
|
|
|
509 le.request = r;
|
|
|
510 le.flushed = 1;
|
|
|
511 body_len = 0;
|
|
|
512
|
|
|
513 while (*(uintptr_t *) le.ip) {
|
|
|
514 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
515 body_len += lcode(&le);
|
|
|
516 }
|
|
|
517
|
|
|
518 p->internal_body_length = body_len;
|
|
|
519 len += body_len;
|
|
|
520 }
|
|
|
521
|
|
509
|
522 le.ip = plcf->headers_set_len->elts;
|
|
|
523 le.request = r;
|
|
573
|
524 le.flushed = 1;
|
|
507
|
525
|
|
509
|
526 while (*(uintptr_t *) le.ip) {
|
|
|
527 while (*(uintptr_t *) le.ip) {
|
|
|
528 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
529 len += lcode(&le);
|
|
|
530 }
|
|
|
531 le.ip += sizeof(uintptr_t);
|
|
507
|
532 }
|
|
|
533
|
|
|
534
|
|
|
535 hh = (ngx_str_t *) plcf->headers_set_hash->buckets;
|
|
|
536
|
|
509
|
537 if (plcf->upstream.pass_request_headers) {
|
|
|
538 part = &r->headers_in.headers.part;
|
|
|
539 header = part->elts;
|
|
|
540
|
|
|
541 for (i = 0; /* void */; i++) {
|
|
507
|
542
|
|
509
|
543 if (i >= part->nelts) {
|
|
|
544 if (part->next == NULL) {
|
|
|
545 break;
|
|
|
546 }
|
|
|
547
|
|
|
548 part = part->next;
|
|
|
549 header = part->elts;
|
|
577
|
550 i = 0;
|
|
507
|
551 }
|
|
|
552
|
|
509
|
553 key = header[i].hash % plcf->headers_set_hash->hash_size;
|
|
507
|
554
|
|
509
|
555 if (hh[key].len == header[i].key.len
|
|
|
556 && ngx_strcasecmp(hh[key].data, header[i].key.data) == 0)
|
|
|
557 {
|
|
|
558 continue;
|
|
|
559 }
|
|
|
560
|
|
|
561 len += header[i].key.len + sizeof(": ") - 1
|
|
|
562 + header[i].value.len + sizeof(CRLF) - 1;
|
|
507
|
563 }
|
|
509
|
564 }
|
|
507
|
565
|
|
|
566
|
|
|
567 b = ngx_create_temp_buf(r->pool, len);
|
|
|
568 if (b == NULL) {
|
|
|
569 return NGX_ERROR;
|
|
|
570 }
|
|
|
571
|
|
|
572 cl = ngx_alloc_chain_link(r->pool);
|
|
|
573 if (cl == NULL) {
|
|
|
574 return NGX_ERROR;
|
|
|
575 }
|
|
|
576
|
|
|
577 cl->buf = b;
|
|
|
578
|
|
|
579
|
|
|
580 /* the request line */
|
|
|
581
|
|
573
|
582 b->last = ngx_copy(b->last, method.data, method.len);
|
|
507
|
583
|
|
555
|
584 u->uri.data = b->last;
|
|
|
585
|
|
609
|
586 if (unparsed_uri) {
|
|
573
|
587 b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len);
|
|
|
588
|
|
507
|
589 } else {
|
|
555
|
590 if (r->valid_location) {
|
|
573
|
591 b->last = ngx_copy(b->last, u->conf->uri.data, u->conf->uri.len);
|
|
555
|
592 }
|
|
551
|
593
|
|
507
|
594 if (escape) {
|
|
509
|
595 ngx_escape_uri(b->last, r->uri.data + loc_len,
|
|
|
596 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
597 b->last += r->uri.len - loc_len + escape;
|
|
507
|
598
|
|
577
|
599 } else {
|
|
573
|
600 b->last = ngx_copy(b->last, r->uri.data + loc_len,
|
|
|
601 r->uri.len - loc_len);
|
|
507
|
602 }
|
|
|
603
|
|
|
604 if (r->args.len > 0) {
|
|
|
605 *b->last++ = '?';
|
|
573
|
606 b->last = ngx_copy(b->last, r->args.data, r->args.len);
|
|
507
|
607 }
|
|
|
608 }
|
|
|
609
|
|
555
|
610 u->uri.len = b->last - u->uri.data;
|
|
|
611
|
|
507
|
612 b->last = ngx_cpymem(b->last, ngx_http_proxy_version,
|
|
|
613 sizeof(ngx_http_proxy_version) - 1);
|
|
|
614
|
|
577
|
615 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
507
|
616
|
|
|
617 e.ip = plcf->headers_set->elts;
|
|
|
618 e.pos = b->last;
|
|
509
|
619 e.request = r;
|
|
573
|
620 e.flushed = 1;
|
|
507
|
621
|
|
509
|
622 le.ip = plcf->headers_set_len->elts;
|
|
|
623
|
|
|
624 while (*(uintptr_t *) le.ip) {
|
|
|
625 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
515
|
626
|
|
|
627 /* skip the header line name length */
|
|
|
628 (void) lcode(&le);
|
|
509
|
629
|
|
|
630 if (*(ngx_http_script_len_code_pt *) le.ip) {
|
|
|
631
|
|
|
632 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) {
|
|
|
633 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
634 }
|
|
|
635
|
|
|
636 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0;
|
|
|
637
|
|
|
638 } else {
|
|
|
639 e.skip = 0;
|
|
|
640 }
|
|
|
641
|
|
|
642 le.ip += sizeof(uintptr_t);
|
|
|
643
|
|
|
644 while (*(uintptr_t *) e.ip) {
|
|
|
645 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
646 code((ngx_http_script_engine_t *) &e);
|
|
577
|
647 }
|
|
509
|
648 e.ip += sizeof(uintptr_t);
|
|
507
|
649 }
|
|
|
650
|
|
|
651 b->last = e.pos;
|
|
|
652
|
|
|
653
|
|
509
|
654 if (plcf->upstream.pass_request_headers) {
|
|
|
655 part = &r->headers_in.headers.part;
|
|
|
656 header = part->elts;
|
|
577
|
657
|
|
509
|
658 for (i = 0; /* void */; i++) {
|
|
507
|
659
|
|
509
|
660 if (i >= part->nelts) {
|
|
|
661 if (part->next == NULL) {
|
|
|
662 break;
|
|
|
663 }
|
|
|
664
|
|
|
665 part = part->next;
|
|
|
666 header = part->elts;
|
|
577
|
667 i = 0;
|
|
507
|
668 }
|
|
|
669
|
|
509
|
670 key = header[i].hash % plcf->headers_set_hash->hash_size;
|
|
507
|
671
|
|
509
|
672 if (hh[key].len == header[i].key.len
|
|
|
673 && ngx_strcasecmp(hh[key].data, header[i].key.data) == 0)
|
|
|
674 {
|
|
|
675 continue;
|
|
|
676 }
|
|
507
|
677
|
|
573
|
678 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len);
|
|
507
|
679
|
|
509
|
680 *b->last++ = ':'; *b->last++ = ' ';
|
|
507
|
681
|
|
573
|
682 b->last = ngx_copy(b->last, header[i].value.data,
|
|
|
683 header[i].value.len);
|
|
507
|
684
|
|
509
|
685 *b->last++ = CR; *b->last++ = LF;
|
|
507
|
686
|
|
509
|
687 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
688 "http proxy header: \"%V: %V\"",
|
|
|
689 &header[i].key, &header[i].value);
|
|
|
690 }
|
|
507
|
691 }
|
|
|
692
|
|
577
|
693
|
|
507
|
694 /* add "\r\n" at the header end */
|
|
|
695 *b->last++ = CR; *b->last++ = LF;
|
|
|
696
|
|
577
|
697 if (plcf->body_set) {
|
|
|
698 e.ip = plcf->body_set->elts;
|
|
|
699 e.pos = b->last;
|
|
|
700
|
|
|
701 while (*(uintptr_t *) e.ip) {
|
|
|
702 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
703 code((ngx_http_script_engine_t *) &e);
|
|
|
704 }
|
|
579
|
705
|
|
|
706 b->last = e.pos;
|
|
577
|
707 }
|
|
|
708
|
|
507
|
709 #if (NGX_DEBUG)
|
|
|
710 {
|
|
|
711 ngx_str_t s;
|
|
|
712
|
|
|
713 s.len = b->last - b->pos;
|
|
|
714 s.data = b->pos;
|
|
|
715 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
716 "http proxy header:\n\"%V\"", &s);
|
|
|
717 }
|
|
|
718 #endif
|
|
|
719
|
|
577
|
720 if (plcf->body_set == NULL && plcf->upstream.pass_request_body) {
|
|
509
|
721
|
|
|
722 body = u->request_bufs;
|
|
|
723 u->request_bufs = cl;
|
|
|
724
|
|
|
725 while (body) {
|
|
|
726 b = ngx_alloc_buf(r->pool);
|
|
|
727 if (b == NULL) {
|
|
|
728 return NGX_ERROR;
|
|
|
729 }
|
|
|
730
|
|
|
731 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
732
|
|
|
733 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
734 if (cl->next == NULL) {
|
|
|
735 return NGX_ERROR;
|
|
|
736 }
|
|
|
737
|
|
|
738 cl = cl->next;
|
|
|
739 cl->buf = b;
|
|
|
740
|
|
|
741 body = body->next;
|
|
|
742 }
|
|
|
743
|
|
611
|
744 b->flush = 1;
|
|
|
745
|
|
509
|
746 } else {
|
|
|
747 u->request_bufs = cl;
|
|
|
748 }
|
|
|
749
|
|
|
750 cl->next = NULL;
|
|
|
751
|
|
507
|
752 return NGX_OK;
|
|
|
753 }
|
|
|
754
|
|
|
755
|
|
|
756 static ngx_int_t
|
|
|
757 ngx_http_proxy_reinit_request(ngx_http_request_t *r)
|
|
|
758 {
|
|
509
|
759 ngx_http_proxy_ctx_t *p;
|
|
|
760
|
|
|
761 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
762
|
|
|
763 if (p == NULL) {
|
|
|
764 return NGX_OK;
|
|
|
765 }
|
|
|
766
|
|
|
767 p->status = 0;
|
|
|
768 p->status_count = 0;
|
|
|
769 p->status_start = NULL;
|
|
|
770 p->status_end = NULL;
|
|
|
771
|
|
|
772 r->upstream->process_header = ngx_http_proxy_process_status_line;
|
|
|
773
|
|
|
774 return NGX_OK;
|
|
|
775 }
|
|
|
776
|
|
|
777
|
|
|
778 static ngx_int_t
|
|
|
779 ngx_http_proxy_process_status_line(ngx_http_request_t *r)
|
|
|
780 {
|
|
|
781 ngx_int_t rc;
|
|
|
782 ngx_http_upstream_t *u;
|
|
|
783 ngx_http_proxy_ctx_t *p;
|
|
|
784
|
|
|
785 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
786
|
|
|
787 if (p == NULL) {
|
|
577
|
788 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
509
|
789 }
|
|
|
790
|
|
|
791 rc = ngx_http_proxy_parse_status_line(r, p);
|
|
|
792
|
|
|
793 if (rc == NGX_AGAIN) {
|
|
|
794 return rc;
|
|
|
795 }
|
|
|
796
|
|
|
797 u = r->upstream;
|
|
|
798
|
|
|
799 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) {
|
|
|
800 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
577
|
801 "upstream sent no valid HTTP/1.0 header");
|
|
509
|
802
|
|
619
|
803 #if 0
|
|
509
|
804 if (u->accel) {
|
|
|
805 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
806 }
|
|
619
|
807 #endif
|
|
509
|
808
|
|
|
809 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
810 p->status = NGX_HTTP_OK;
|
|
577
|
811
|
|
509
|
812 return NGX_OK;
|
|
|
813 }
|
|
|
814
|
|
529
|
815 u->headers_in.status_n = p->status;
|
|
509
|
816 u->state->status = p->status;
|
|
|
817
|
|
529
|
818 u->headers_in.status_line.len = p->status_end - p->status_start;
|
|
|
819 u->headers_in.status_line.data = ngx_palloc(r->pool,
|
|
|
820 u->headers_in.status_line.len);
|
|
|
821 if (u->headers_in.status_line.data == NULL) {
|
|
509
|
822 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
823 }
|
|
573
|
824
|
|
529
|
825 ngx_memcpy(u->headers_in.status_line.data, p->status_start,
|
|
|
826 u->headers_in.status_line.len);
|
|
509
|
827
|
|
|
828 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
829 "http proxy status %ui \"%V\"",
|
|
529
|
830 u->headers_in.status, &u->headers_in.status_line);
|
|
509
|
831
|
|
|
832 u->process_header = ngx_http_proxy_process_header;
|
|
|
833
|
|
|
834 return ngx_http_proxy_process_header(r);
|
|
|
835 }
|
|
|
836
|
|
|
837
|
|
|
838 static ngx_int_t
|
|
|
839 ngx_http_proxy_parse_status_line(ngx_http_request_t *r, ngx_http_proxy_ctx_t *p)
|
|
|
840 {
|
|
|
841 u_char ch;
|
|
|
842 u_char *pos;
|
|
|
843 ngx_http_upstream_t *u;
|
|
|
844 enum {
|
|
|
845 sw_start = 0,
|
|
|
846 sw_H,
|
|
|
847 sw_HT,
|
|
|
848 sw_HTT,
|
|
|
849 sw_HTTP,
|
|
|
850 sw_first_major_digit,
|
|
|
851 sw_major_digit,
|
|
|
852 sw_first_minor_digit,
|
|
|
853 sw_minor_digit,
|
|
|
854 sw_status,
|
|
|
855 sw_space_after_status,
|
|
|
856 sw_status_text,
|
|
|
857 sw_almost_done
|
|
577
|
858 } state;
|
|
509
|
859
|
|
|
860 u = r->upstream;
|
|
|
861
|
|
|
862 state = r->state;
|
|
|
863
|
|
581
|
864 for (pos = u->buffer.pos; pos < u->buffer.last; pos++) {
|
|
509
|
865 ch = *pos;
|
|
|
866
|
|
|
867 switch (state) {
|
|
|
868
|
|
|
869 /* "HTTP/" */
|
|
|
870 case sw_start:
|
|
|
871 switch (ch) {
|
|
577
|
872 case 'H':
|
|
509
|
873 state = sw_H;
|
|
|
874 break;
|
|
|
875 default:
|
|
|
876 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
877 }
|
|
|
878 break;
|
|
|
879
|
|
577
|
880 case sw_H:
|
|
509
|
881 switch (ch) {
|
|
577
|
882 case 'T':
|
|
509
|
883 state = sw_HT;
|
|
|
884 break;
|
|
|
885 default:
|
|
|
886 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
887 }
|
|
|
888 break;
|
|
|
889
|
|
|
890 case sw_HT:
|
|
|
891 switch (ch) {
|
|
577
|
892 case 'T':
|
|
509
|
893 state = sw_HTT;
|
|
|
894 break;
|
|
|
895 default:
|
|
|
896 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
897 }
|
|
|
898 break;
|
|
|
899
|
|
|
900 case sw_HTT:
|
|
|
901 switch (ch) {
|
|
577
|
902 case 'P':
|
|
509
|
903 state = sw_HTTP;
|
|
|
904 break;
|
|
|
905 default:
|
|
|
906 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
907 }
|
|
|
908 break;
|
|
|
909
|
|
|
910 case sw_HTTP:
|
|
|
911 switch (ch) {
|
|
577
|
912 case '/':
|
|
509
|
913 state = sw_first_major_digit;
|
|
|
914 break;
|
|
|
915 default:
|
|
|
916 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
917 }
|
|
|
918 break;
|
|
|
919
|
|
|
920 /* the first digit of major HTTP version */
|
|
|
921 case sw_first_major_digit:
|
|
|
922 if (ch < '1' || ch > '9') {
|
|
|
923 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
924 }
|
|
|
925
|
|
|
926 state = sw_major_digit;
|
|
|
927 break;
|
|
|
928
|
|
|
929 /* the major HTTP version or dot */
|
|
|
930 case sw_major_digit:
|
|
|
931 if (ch == '.') {
|
|
|
932 state = sw_first_minor_digit;
|
|
|
933 break;
|
|
|
934 }
|
|
|
935
|
|
|
936 if (ch < '0' || ch > '9') {
|
|
|
937 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
938 }
|
|
|
939
|
|
|
940 break;
|
|
|
941
|
|
|
942 /* the first digit of minor HTTP version */
|
|
|
943 case sw_first_minor_digit:
|
|
|
944 if (ch < '0' || ch > '9') {
|
|
|
945 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
946 }
|
|
|
947
|
|
|
948 state = sw_minor_digit;
|
|
|
949 break;
|
|
|
950
|
|
|
951 /* the minor HTTP version or the end of the request line */
|
|
|
952 case sw_minor_digit:
|
|
|
953 if (ch == ' ') {
|
|
|
954 state = sw_status;
|
|
|
955 break;
|
|
|
956 }
|
|
|
957
|
|
|
958 if (ch < '0' || ch > '9') {
|
|
|
959 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
960 }
|
|
|
961
|
|
|
962 break;
|
|
|
963
|
|
|
964 /* HTTP status code */
|
|
|
965 case sw_status:
|
|
619
|
966 if (ch == ' ') {
|
|
|
967 break;
|
|
|
968 }
|
|
|
969
|
|
509
|
970 if (ch < '0' || ch > '9') {
|
|
|
971 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
972 }
|
|
|
973
|
|
|
974 p->status = p->status * 10 + ch - '0';
|
|
|
975
|
|
|
976 if (++p->status_count == 3) {
|
|
|
977 state = sw_space_after_status;
|
|
|
978 p->status_start = pos - 2;
|
|
|
979 }
|
|
|
980
|
|
|
981 break;
|
|
|
982
|
|
|
983 /* space or end of line */
|
|
|
984 case sw_space_after_status:
|
|
|
985 switch (ch) {
|
|
577
|
986 case ' ':
|
|
509
|
987 state = sw_status_text;
|
|
|
988 break;
|
|
|
989 case '.': /* IIS may send 403.1, 403.2, etc */
|
|
|
990 state = sw_status_text;
|
|
|
991 break;
|
|
|
992 case CR:
|
|
|
993 state = sw_almost_done;
|
|
|
994 break;
|
|
|
995 case LF:
|
|
|
996 goto done;
|
|
|
997 default:
|
|
|
998 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
999 }
|
|
|
1000 break;
|
|
|
1001
|
|
|
1002 /* any text until end of line */
|
|
|
1003 case sw_status_text:
|
|
|
1004 switch (ch) {
|
|
|
1005 case CR:
|
|
|
1006 state = sw_almost_done;
|
|
|
1007
|
|
|
1008 break;
|
|
|
1009 case LF:
|
|
|
1010 goto done;
|
|
|
1011 }
|
|
|
1012 break;
|
|
|
1013
|
|
527
|
1014 /* end of status line */
|
|
509
|
1015 case sw_almost_done:
|
|
|
1016 p->status_end = pos - 1;
|
|
|
1017 switch (ch) {
|
|
|
1018 case LF:
|
|
|
1019 goto done;
|
|
|
1020 default:
|
|
|
1021 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1022 }
|
|
|
1023 }
|
|
|
1024 }
|
|
|
1025
|
|
581
|
1026 u->buffer.pos = pos;
|
|
509
|
1027 r->state = state;
|
|
|
1028
|
|
|
1029 return NGX_AGAIN;
|
|
|
1030
|
|
|
1031 done:
|
|
|
1032
|
|
581
|
1033 u->buffer.pos = pos + 1;
|
|
509
|
1034
|
|
|
1035 if (p->status_end == NULL) {
|
|
|
1036 p->status_end = pos;
|
|
|
1037 }
|
|
|
1038
|
|
|
1039 r->state = sw_start;
|
|
|
1040
|
|
507
|
1041 return NGX_OK;
|
|
|
1042 }
|
|
|
1043
|
|
|
1044
|
|
|
1045 static ngx_int_t
|
|
|
1046 ngx_http_proxy_process_header(ngx_http_request_t *r)
|
|
|
1047 {
|
|
509
|
1048 ngx_int_t rc;
|
|
|
1049 ngx_uint_t key;
|
|
|
1050 ngx_table_elt_t *h;
|
|
|
1051 ngx_http_upstream_header_t *hh;
|
|
|
1052 ngx_http_upstream_main_conf_t *umcf;
|
|
|
1053
|
|
|
1054 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
1055 hh = (ngx_http_upstream_header_t *) umcf->headers_in_hash.buckets;
|
|
|
1056
|
|
|
1057 for ( ;; ) {
|
|
|
1058
|
|
581
|
1059 rc = ngx_http_parse_header_line(r, &r->upstream->buffer);
|
|
509
|
1060
|
|
|
1061 if (rc == NGX_OK) {
|
|
|
1062
|
|
|
1063 /* a header line has been parsed successfully */
|
|
507
|
1064
|
|
509
|
1065 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1066 if (h == NULL) {
|
|
|
1067 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1068 }
|
|
|
1069
|
|
|
1070 h->hash = r->header_hash;
|
|
|
1071
|
|
|
1072 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
1073 h->value.len = r->header_end - r->header_start;
|
|
|
1074
|
|
|
1075 h->key.data = ngx_palloc(r->pool,
|
|
|
1076 h->key.len + 1 + h->value.len + 1);
|
|
|
1077 if (h->key.data == NULL) {
|
|
|
1078 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1079 }
|
|
|
1080
|
|
|
1081 h->value.data = h->key.data + h->key.len + 1;
|
|
507
|
1082
|
|
509
|
1083 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
|
1084 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
|
1085
|
|
|
1086 key = h->hash % umcf->headers_in_hash.hash_size;
|
|
|
1087
|
|
|
1088 if (hh[key].name.len == h->key.len
|
|
|
1089 && ngx_strcasecmp(hh[key].name.data, h->key.data) == 0)
|
|
|
1090 {
|
|
|
1091 if (hh[key].handler(r, h, hh[key].offset) != NGX_OK) {
|
|
|
1092 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1093 }
|
|
|
1094 }
|
|
|
1095
|
|
|
1096 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1097 "http proxy header: \"%V: %V\"",
|
|
|
1098 &h->key, &h->value);
|
|
|
1099
|
|
|
1100 continue;
|
|
|
1101 }
|
|
|
1102
|
|
|
1103 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
|
1104
|
|
|
1105 /* a whole header has been parsed successfully */
|
|
|
1106
|
|
|
1107 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1108 "http proxy header done");
|
|
|
1109
|
|
|
1110 return NGX_OK;
|
|
|
1111 }
|
|
|
1112
|
|
521
|
1113 if (rc == NGX_AGAIN) {
|
|
|
1114 return NGX_AGAIN;
|
|
|
1115 }
|
|
|
1116
|
|
509
|
1117 /* there was error while a header line parsing */
|
|
|
1118
|
|
|
1119 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
619
|
1120 "upstream sent invalid header");
|
|
509
|
1121
|
|
|
1122 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1123 }
|
|
507
|
1124 }
|
|
|
1125
|
|
|
1126
|
|
|
1127 static void
|
|
|
1128 ngx_http_proxy_abort_request(ngx_http_request_t *r)
|
|
|
1129 {
|
|
|
1130 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1131 "abort http proxy request");
|
|
577
|
1132
|
|
507
|
1133 return;
|
|
|
1134 }
|
|
|
1135
|
|
|
1136
|
|
|
1137 static void
|
|
|
1138 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
577
|
1139 {
|
|
507
|
1140 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1141 "finalize http proxy request");
|
|
|
1142
|
|
|
1143 return;
|
|
|
1144 }
|
|
|
1145
|
|
|
1146
|
|
573
|
1147 static ngx_int_t
|
|
|
1148 ngx_http_proxy_host_variable(ngx_http_request_t *r,
|
|
|
1149 ngx_http_variable_value_t *v, uintptr_t data)
|
|
507
|
1150 {
|
|
509
|
1151 ngx_http_proxy_loc_conf_t *plcf;
|
|
507
|
1152
|
|
509
|
1153 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
507
|
1154
|
|
573
|
1155 v->len = plcf->host_header.len;
|
|
577
|
1156 v->valid = 1;
|
|
573
|
1157 v->no_cachable = 0;
|
|
|
1158 v->not_found = 0;
|
|
|
1159 v->data = plcf->host_header.data;
|
|
507
|
1160
|
|
573
|
1161 return NGX_OK;
|
|
507
|
1162 }
|
|
|
1163
|
|
|
1164
|
|
573
|
1165 static ngx_int_t
|
|
|
1166 ngx_http_proxy_port_variable(ngx_http_request_t *r,
|
|
|
1167 ngx_http_variable_value_t *v, uintptr_t data)
|
|
507
|
1168 {
|
|
|
1169 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1170
|
|
|
1171 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1172
|
|
573
|
1173 v->len = plcf->port_text.len;
|
|
577
|
1174 v->valid = 1;
|
|
573
|
1175 v->no_cachable = 0;
|
|
|
1176 v->not_found = 0;
|
|
|
1177 v->data = plcf->port_text.data;
|
|
509
|
1178
|
|
573
|
1179 return NGX_OK;
|
|
509
|
1180 }
|
|
|
1181
|
|
|
1182
|
|
573
|
1183 static ngx_int_t
|
|
509
|
1184 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
|
|
573
|
1185 ngx_http_variable_value_t *v, uintptr_t data)
|
|
509
|
1186 {
|
|
573
|
1187 u_char *p;
|
|
509
|
1188
|
|
577
|
1189 v->valid = 1;
|
|
573
|
1190 v->no_cachable = 0;
|
|
|
1191 v->not_found = 0;
|
|
509
|
1192
|
|
|
1193 if (r->headers_in.x_forwarded_for == NULL) {
|
|
573
|
1194 v->len = r->connection->addr_text.len;
|
|
|
1195 v->data = r->connection->addr_text.data;
|
|
|
1196 return NGX_OK;
|
|
509
|
1197 }
|
|
|
1198
|
|
573
|
1199 v->len = r->headers_in.x_forwarded_for->value.len
|
|
|
1200 + sizeof(", ") - 1 + r->connection->addr_text.len;
|
|
509
|
1201
|
|
573
|
1202 p = ngx_palloc(r->pool, v->len);
|
|
509
|
1203 if (p == NULL) {
|
|
573
|
1204 return NGX_ERROR;
|
|
509
|
1205 }
|
|
|
1206
|
|
573
|
1207 v->data = p;
|
|
509
|
1208
|
|
573
|
1209 p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data,
|
|
|
1210 r->headers_in.x_forwarded_for->value.len);
|
|
509
|
1211
|
|
|
1212 *p++ = ','; *p++ = ' ';
|
|
|
1213
|
|
|
1214 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len);
|
|
|
1215
|
|
573
|
1216 return NGX_OK;
|
|
509
|
1217 }
|
|
|
1218
|
|
|
1219
|
|
|
1220 static ngx_int_t
|
|
577
|
1221 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
|
|
|
1222 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1223 {
|
|
|
1224 ngx_http_proxy_ctx_t *p;
|
|
|
1225
|
|
|
1226 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1227
|
|
|
1228 if (p == NULL) {
|
|
|
1229 v->not_found = 1;
|
|
|
1230 return NGX_OK;
|
|
|
1231 }
|
|
|
1232
|
|
|
1233 v->valid = 1;
|
|
|
1234 v->no_cachable = 0;
|
|
|
1235 v->not_found = 0;
|
|
|
1236
|
|
|
1237 v->data = ngx_palloc(r->connection->pool, NGX_SIZE_T_LEN);
|
|
|
1238
|
|
|
1239 if (v->data == NULL) {
|
|
|
1240 return NGX_ERROR;
|
|
|
1241 }
|
|
|
1242
|
|
|
1243 v->len = ngx_sprintf(v->data, "%uz", p->internal_body_length) - v->data;
|
|
|
1244
|
|
|
1245 return NGX_OK;
|
|
|
1246 }
|
|
|
1247
|
|
|
1248
|
|
|
1249 static ngx_int_t
|
|
509
|
1250 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1251 size_t prefix)
|
|
|
1252 {
|
|
|
1253 ngx_int_t rc;
|
|
|
1254 ngx_uint_t i;
|
|
|
1255 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1256 ngx_http_proxy_redirect_t *pr;
|
|
|
1257
|
|
|
1258 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1259
|
|
|
1260 pr = plcf->redirects->elts;
|
|
|
1261
|
|
|
1262 if (pr == NULL) {
|
|
|
1263 return NGX_DECLINED;
|
|
|
1264 }
|
|
|
1265
|
|
|
1266 for (i = 0; i < plcf->redirects->nelts; i++) {
|
|
605
|
1267 rc = pr[i].handler(r, h, prefix, &pr[i]);
|
|
509
|
1268
|
|
|
1269 if (rc != NGX_DECLINED) {
|
|
|
1270 return rc;
|
|
|
1271 }
|
|
|
1272 }
|
|
|
1273
|
|
|
1274 return NGX_DECLINED;
|
|
|
1275 }
|
|
|
1276
|
|
|
1277
|
|
|
1278 static ngx_int_t
|
|
|
1279 ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1280 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1281 {
|
|
|
1282 size_t len;
|
|
|
1283 u_char *data, *p;
|
|
|
1284
|
|
|
1285 if (pr->redirect.len > h->value.len - prefix
|
|
|
1286 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1287 pr->redirect.len) != 0)
|
|
|
1288 {
|
|
|
1289 return NGX_DECLINED;
|
|
|
1290 }
|
|
|
1291
|
|
|
1292 len = prefix + pr->replacement.text.len + h->value.len - pr->redirect.len;
|
|
507
|
1293
|
|
509
|
1294 data = ngx_palloc(r->pool, len);
|
|
|
1295 if (data == NULL) {
|
|
|
1296 return NGX_ERROR;
|
|
|
1297 }
|
|
|
1298
|
|
|
1299 p = data;
|
|
|
1300
|
|
573
|
1301 p = ngx_copy(p, h->value.data, prefix);
|
|
509
|
1302
|
|
573
|
1303 p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len);
|
|
509
|
1304
|
|
|
1305 ngx_memcpy(p, h->value.data + prefix + pr->redirect.len,
|
|
|
1306 h->value.len - pr->redirect.len - prefix);
|
|
|
1307
|
|
|
1308 h->value.len = len;
|
|
|
1309 h->value.data = data;
|
|
|
1310
|
|
|
1311 return NGX_OK;
|
|
|
1312 }
|
|
|
1313
|
|
|
1314
|
|
|
1315 static ngx_int_t
|
|
|
1316 ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1317 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1318 {
|
|
|
1319 size_t len;
|
|
|
1320 u_char *data, *p;
|
|
|
1321 ngx_http_script_code_pt code;
|
|
|
1322 ngx_http_script_engine_t e;
|
|
|
1323 ngx_http_script_len_code_pt lcode;
|
|
|
1324
|
|
|
1325 if (pr->redirect.len > h->value.len - prefix
|
|
|
1326 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1327 pr->redirect.len) != 0)
|
|
|
1328 {
|
|
|
1329 return NGX_DECLINED;
|
|
|
1330 }
|
|
|
1331
|
|
|
1332 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
1333
|
|
|
1334 e.ip = pr->replacement.vars.lengths;
|
|
|
1335 e.request = r;
|
|
|
1336
|
|
|
1337 for (len = prefix; *(uintptr_t *) e.ip; len += lcode(&e)) {
|
|
|
1338 lcode = *(ngx_http_script_len_code_pt *) e.ip;
|
|
|
1339 }
|
|
|
1340
|
|
|
1341 data = ngx_palloc(r->pool, len);
|
|
|
1342 if (data == NULL) {
|
|
|
1343 return NGX_ERROR;
|
|
|
1344 }
|
|
|
1345
|
|
|
1346 p = data;
|
|
|
1347
|
|
573
|
1348 p = ngx_copy(p, h->value.data, prefix);
|
|
509
|
1349
|
|
|
1350 e.ip = pr->replacement.vars.values;
|
|
|
1351 e.pos = p;
|
|
|
1352
|
|
|
1353 while (*(uintptr_t *) e.ip) {
|
|
|
1354 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1355 code(&e);
|
|
|
1356 }
|
|
|
1357
|
|
|
1358 h->value.len = len;
|
|
|
1359 h->value.data = data;
|
|
|
1360
|
|
|
1361 return NGX_OK;
|
|
|
1362 }
|
|
|
1363
|
|
|
1364
|
|
|
1365 static ngx_int_t
|
|
|
1366 ngx_http_proxy_add_variables(ngx_conf_t *cf)
|
|
|
1367 {
|
|
|
1368 ngx_http_variable_t *var, *v;
|
|
|
1369
|
|
|
1370 for (v = ngx_http_proxy_vars; v->name.len; v++) {
|
|
|
1371 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
1372 if (var == NULL) {
|
|
|
1373 return NGX_ERROR;
|
|
|
1374 }
|
|
|
1375
|
|
|
1376 var->handler = v->handler;
|
|
|
1377 var->data = v->data;
|
|
|
1378 }
|
|
|
1379
|
|
|
1380 return NGX_OK;
|
|
507
|
1381 }
|
|
|
1382
|
|
|
1383
|
|
|
1384 static void *
|
|
|
1385 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
|
|
|
1386 {
|
|
|
1387 ngx_http_proxy_loc_conf_t *conf;
|
|
|
1388
|
|
|
1389 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t));
|
|
|
1390 if (conf == NULL) {
|
|
|
1391 return NGX_CONF_ERROR;
|
|
|
1392 }
|
|
|
1393
|
|
|
1394 /*
|
|
|
1395 * set by ngx_pcalloc():
|
|
|
1396 *
|
|
|
1397 * conf->upstream.bufs.num = 0;
|
|
|
1398 * conf->upstream.next_upstream = 0;
|
|
|
1399 * conf->upstream.temp_path = NULL;
|
|
509
|
1400 * conf->upstream.schema = { 0, NULL };
|
|
|
1401 * conf->upstream.uri = { 0, NULL };
|
|
|
1402 * conf->upstream.location = NULL;
|
|
|
1403 *
|
|
561
|
1404 * conf->method = NULL;
|
|
509
|
1405 * conf->headers_source = NULL;
|
|
|
1406 * conf->headers_set_len = NULL;
|
|
|
1407 * conf->headers_set = NULL;
|
|
|
1408 * conf->headers_set_hash = NULL;
|
|
577
|
1409 * conf->body_set_len = NULL;
|
|
|
1410 * conf->body_set = NULL;
|
|
|
1411 * conf->body_source = { 0, NULL };
|
|
509
|
1412 * conf->rewrite_locations = NULL;
|
|
507
|
1413 */
|
|
577
|
1414
|
|
581
|
1415 conf->upstream.buffering = NGX_CONF_UNSET;
|
|
|
1416
|
|
507
|
1417 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1418 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1419 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1420
|
|
|
1421 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
581
|
1422 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
529
|
1423
|
|
|
1424 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
577
|
1425 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
529
|
1426 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
509
|
1427
|
|
561
|
1428 conf->upstream.max_fails = NGX_CONF_UNSET_UINT;
|
|
|
1429 conf->upstream.fail_timeout = NGX_CONF_UNSET;
|
|
|
1430
|
|
509
|
1431 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
|
1432 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
561
|
1433
|
|
507
|
1434 conf->upstream.redirect_errors = NGX_CONF_UNSET;
|
|
|
1435
|
|
|
1436 /* "proxy_cyclic_temp_file" is disabled */
|
|
|
1437 conf->upstream.cyclic_temp_file = 0;
|
|
|
1438
|
|
509
|
1439 conf->upstream.pass_x_powered_by = NGX_CONF_UNSET;
|
|
|
1440 conf->upstream.pass_server = NGX_CONF_UNSET;
|
|
|
1441 conf->upstream.pass_date = 0;
|
|
|
1442 conf->upstream.pass_x_accel_expires = NGX_CONF_UNSET;
|
|
507
|
1443
|
|
509
|
1444 conf->redirect = NGX_CONF_UNSET;
|
|
507
|
1445
|
|
|
1446 return conf;
|
|
|
1447 }
|
|
|
1448
|
|
|
1449
|
|
|
1450 static char *
|
|
|
1451 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1452 {
|
|
|
1453 ngx_http_proxy_loc_conf_t *prev = parent;
|
|
|
1454 ngx_http_proxy_loc_conf_t *conf = child;
|
|
|
1455
|
|
509
|
1456 u_char *p;
|
|
|
1457 size_t size;
|
|
|
1458 uintptr_t *code;
|
|
|
1459 ngx_str_t *name;
|
|
|
1460 ngx_uint_t i;
|
|
|
1461 ngx_table_elt_t *src, *s, *h;
|
|
|
1462 ngx_http_proxy_redirect_t *pr;
|
|
|
1463 ngx_http_script_compile_t sc;
|
|
|
1464 ngx_http_script_copy_code_t *copy;
|
|
|
1465
|
|
581
|
1466 ngx_conf_merge_value(conf->upstream.buffering,
|
|
|
1467 prev->upstream.buffering, 1);
|
|
|
1468
|
|
507
|
1469 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
1470 prev->upstream.connect_timeout, 60000);
|
|
|
1471
|
|
|
1472 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
1473 prev->upstream.send_timeout, 60000);
|
|
|
1474
|
|
|
1475 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
1476 prev->upstream.read_timeout, 60000);
|
|
|
1477
|
|
|
1478 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
|
1479 prev->upstream.send_lowat, 0);
|
|
|
1480
|
|
581
|
1481 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
|
1482 prev->upstream.buffer_size,
|
|
507
|
1483 (size_t) ngx_pagesize);
|
|
|
1484
|
|
|
1485 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
|
1486 8, ngx_pagesize);
|
|
|
1487
|
|
|
1488 if (conf->upstream.bufs.num < 2) {
|
|
577
|
1489 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
507
|
1490 "there must be at least 2 \"proxy_buffers\"");
|
|
|
1491 return NGX_CONF_ERROR;
|
|
|
1492 }
|
|
577
|
1493
|
|
507
|
1494
|
|
581
|
1495 size = conf->upstream.buffer_size;
|
|
577
|
1496 if (size < conf->upstream.bufs.size) {
|
|
507
|
1497 size = conf->upstream.bufs.size;
|
|
|
1498 }
|
|
|
1499
|
|
|
1500
|
|
529
|
1501 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
|
1502 prev->upstream.busy_buffers_size_conf,
|
|
507
|
1503 NGX_CONF_UNSET_SIZE);
|
|
|
1504
|
|
529
|
1505 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
507
|
1506 conf->upstream.busy_buffers_size = 2 * size;
|
|
529
|
1507 } else {
|
|
|
1508 conf->upstream.busy_buffers_size =
|
|
|
1509 conf->upstream.busy_buffers_size_conf;
|
|
|
1510 }
|
|
577
|
1511
|
|
529
|
1512 if (conf->upstream.busy_buffers_size < size) {
|
|
507
|
1513 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1514 "\"proxy_busy_buffers_size\" must be equal or bigger than "
|
|
|
1515 "maximum of the value of \"proxy_header_buffer_size\" and "
|
|
|
1516 "one of the \"proxy_buffers\"");
|
|
|
1517
|
|
|
1518 return NGX_CONF_ERROR;
|
|
529
|
1519 }
|
|
507
|
1520
|
|
529
|
1521 if (conf->upstream.busy_buffers_size
|
|
|
1522 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
507
|
1523 {
|
|
|
1524 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1525 "\"proxy_busy_buffers_size\" must be less than "
|
|
|
1526 "the size of all \"proxy_buffers\" minus one buffer");
|
|
|
1527
|
|
|
1528 return NGX_CONF_ERROR;
|
|
|
1529 }
|
|
529
|
1530
|
|
507
|
1531
|
|
529
|
1532 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
|
1533 prev->upstream.temp_file_write_size_conf,
|
|
507
|
1534 NGX_CONF_UNSET_SIZE);
|
|
|
1535
|
|
529
|
1536 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
507
|
1537 conf->upstream.temp_file_write_size = 2 * size;
|
|
529
|
1538 } else {
|
|
|
1539 conf->upstream.temp_file_write_size =
|
|
|
1540 conf->upstream.temp_file_write_size_conf;
|
|
|
1541 }
|
|
577
|
1542
|
|
529
|
1543 if (conf->upstream.temp_file_write_size < size) {
|
|
507
|
1544 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1545 "\"proxy_temp_file_write_size\" must be equal or bigger than "
|
|
|
1546 "maximum of the value of \"proxy_header_buffer_size\" and "
|
|
|
1547 "one of the \"proxy_buffers\"");
|
|
|
1548
|
|
|
1549 return NGX_CONF_ERROR;
|
|
|
1550 }
|
|
|
1551
|
|
529
|
1552 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
|
1553 prev->upstream.max_temp_file_size_conf,
|
|
507
|
1554 NGX_CONF_UNSET_SIZE);
|
|
|
1555
|
|
529
|
1556 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
507
|
1557 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
529
|
1558 } else {
|
|
|
1559 conf->upstream.max_temp_file_size =
|
|
|
1560 conf->upstream.max_temp_file_size_conf;
|
|
|
1561 }
|
|
507
|
1562
|
|
529
|
1563 if (conf->upstream.max_temp_file_size != 0
|
|
|
1564 && conf->upstream.max_temp_file_size < size)
|
|
507
|
1565 {
|
|
|
1566 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
561
|
1567 "\"proxy_max_temp_file_size\" must be equal to zero to disable "
|
|
507
|
1568 "the temporary files usage or must be equal or bigger than "
|
|
561
|
1569 "maximum of the value of \"proxy_header_buffer_size\" and "
|
|
|
1570 "one of the \"proxy_buffers\"");
|
|
507
|
1571
|
|
|
1572 return NGX_CONF_ERROR;
|
|
|
1573 }
|
|
|
1574
|
|
529
|
1575
|
|
507
|
1576 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
1577 prev->upstream.next_upstream,
|
|
|
1578 (NGX_CONF_BITMASK_SET
|
|
|
1579 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
1580 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
1581
|
|
561
|
1582 ngx_conf_merge_unsigned_value(conf->upstream.max_fails,
|
|
|
1583 prev->upstream.max_fails, 1);
|
|
|
1584
|
|
|
1585 ngx_conf_merge_sec_value(conf->upstream.fail_timeout,
|
|
|
1586 prev->upstream.fail_timeout, 10);
|
|
|
1587
|
|
|
1588 if (conf->peers && conf->peers->number > 1) {
|
|
|
1589 for (i = 0; i < conf->peers->number; i++) {
|
|
|
1590 conf->peers->peer[i].weight = 1;
|
|
|
1591 conf->peers->peer[i].max_fails = conf->upstream.max_fails;
|
|
|
1592 conf->peers->peer[i].fail_timeout = conf->upstream.fail_timeout;
|
|
|
1593 }
|
|
|
1594 }
|
|
|
1595
|
|
509
|
1596 ngx_conf_merge_path_value(conf->upstream.temp_path,
|
|
|
1597 prev->upstream.temp_path,
|
|
|
1598 NGX_HTTP_PROXY_TEMP_PATH, 1, 2, 0,
|
|
|
1599 ngx_garbage_collector_temp_handler, cf);
|
|
507
|
1600
|
|
561
|
1601 if (conf->method.len == 0) {
|
|
|
1602 conf->method = prev->method;
|
|
|
1603
|
|
|
1604 } else {
|
|
|
1605 conf->method.data[conf->method.len] = ' ';
|
|
|
1606 conf->method.len++;
|
|
509
|
1607 }
|
|
|
1608
|
|
|
1609 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
|
1610 prev->upstream.pass_request_headers, 1);
|
|
|
1611 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
|
1612 prev->upstream.pass_request_body, 1);
|
|
|
1613
|
|
529
|
1614 ngx_conf_merge_value(conf->upstream.redirect_errors,
|
|
509
|
1615 prev->upstream.redirect_errors, 0);
|
|
|
1616
|
|
529
|
1617 ngx_conf_merge_value(conf->upstream.pass_x_powered_by,
|
|
509
|
1618 prev->upstream.pass_x_powered_by, 1);
|
|
529
|
1619 ngx_conf_merge_value(conf->upstream.pass_server,
|
|
509
|
1620 prev->upstream.pass_server, 0);
|
|
529
|
1621 ngx_conf_merge_value(conf->upstream.pass_x_accel_expires,
|
|
509
|
1622 prev->upstream.pass_x_accel_expires, 0);
|
|
|
1623
|
|
|
1624
|
|
|
1625 ngx_conf_merge_value(conf->redirect, prev->redirect, 1);
|
|
|
1626
|
|
|
1627 if (conf->redirect) {
|
|
507
|
1628
|
|
509
|
1629 if (conf->redirects == NULL) {
|
|
|
1630 conf->redirects = prev->redirects;
|
|
|
1631 }
|
|
|
1632
|
|
|
1633 if (conf->redirects == NULL && conf->upstream.url.data) {
|
|
|
1634
|
|
|
1635 conf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
1636 sizeof(ngx_http_proxy_redirect_t));
|
|
|
1637 if (conf->redirects == NULL) {
|
|
|
1638 return NGX_CONF_ERROR;
|
|
|
1639 }
|
|
|
1640
|
|
|
1641 pr = ngx_array_push(conf->redirects);
|
|
|
1642 if (pr == NULL) {
|
|
|
1643 return NGX_CONF_ERROR;
|
|
|
1644 }
|
|
|
1645
|
|
|
1646 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
1647 pr->redirect = conf->upstream.url;
|
|
573
|
1648 pr->replacement.text = conf->upstream.location;
|
|
509
|
1649 }
|
|
|
1650 }
|
|
|
1651
|
|
507
|
1652
|
|
|
1653 if (conf->peers == NULL) {
|
|
|
1654 conf->peers = prev->peers;
|
|
|
1655 }
|
|
|
1656
|
|
577
|
1657
|
|
|
1658 if (conf->body_source.data == NULL) {
|
|
|
1659 conf->body_source = prev->body_source;
|
|
|
1660 conf->body_set_len = prev->body_set_len;
|
|
|
1661 conf->body_set = prev->body_set;
|
|
|
1662 }
|
|
|
1663
|
|
579
|
1664 if (conf->body_source.data && conf->body_set_len == NULL) {
|
|
577
|
1665
|
|
|
1666 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1667
|
|
|
1668 sc.cf = cf;
|
|
|
1669 sc.source = &conf->body_source;
|
|
|
1670 sc.flushes = &conf->flushes;
|
|
|
1671 sc.lengths = &conf->body_set_len;
|
|
|
1672 sc.values = &conf->body_set;
|
|
|
1673 sc.complete_lengths = 1;
|
|
|
1674 sc.complete_values = 1;
|
|
|
1675
|
|
|
1676 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1677 return NGX_CONF_ERROR;
|
|
|
1678 }
|
|
|
1679
|
|
|
1680 if (conf->headers_source == NULL) {
|
|
|
1681 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
|
1682 sizeof(ngx_table_elt_t));
|
|
|
1683 if (conf->headers_source == NULL) {
|
|
|
1684 return NGX_CONF_ERROR;
|
|
|
1685 }
|
|
|
1686 }
|
|
|
1687
|
|
|
1688 s = ngx_array_push(conf->headers_source);
|
|
|
1689 if (s == NULL) {
|
|
|
1690 return NGX_CONF_ERROR;
|
|
|
1691 }
|
|
|
1692
|
|
|
1693 s->hash = 0;
|
|
|
1694 s->key.len = sizeof("Content-Length") - 1;
|
|
|
1695 s->key.data = (u_char *) "Content-Length";
|
|
|
1696 s->value.len = sizeof("$proxy_internal_body_length") - 1;
|
|
|
1697 s->value.data = (u_char *) "$proxy_internal_body_length";
|
|
|
1698 }
|
|
|
1699
|
|
|
1700
|
|
509
|
1701 if (conf->headers_source == NULL) {
|
|
573
|
1702 conf->flushes = prev->flushes;
|
|
507
|
1703 conf->headers_set_len = prev->headers_set_len;
|
|
|
1704 conf->headers_set = prev->headers_set;
|
|
|
1705 conf->headers_set_hash = prev->headers_set_hash;
|
|
573
|
1706 conf->headers_source = prev->headers_source;
|
|
507
|
1707 }
|
|
|
1708
|
|
509
|
1709 if (conf->headers_set_hash) {
|
|
|
1710 return NGX_CONF_OK;
|
|
|
1711 }
|
|
|
1712
|
|
|
1713
|
|
|
1714 conf->headers_names = ngx_array_create(cf->pool, 4, sizeof(ngx_str_t));
|
|
|
1715 if (conf->headers_names == NULL) {
|
|
|
1716 return NGX_CONF_ERROR;
|
|
|
1717 }
|
|
|
1718
|
|
|
1719 if (conf->headers_source == NULL) {
|
|
|
1720 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
|
1721 sizeof(ngx_table_elt_t));
|
|
|
1722 if (conf->headers_source == NULL) {
|
|
|
1723 return NGX_CONF_ERROR;
|
|
|
1724 }
|
|
|
1725 }
|
|
507
|
1726
|
|
509
|
1727 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1);
|
|
|
1728 if (conf->headers_set_len == NULL) {
|
|
|
1729 return NGX_CONF_ERROR;
|
|
|
1730 }
|
|
|
1731
|
|
|
1732 conf->headers_set = ngx_array_create(cf->pool, 512, 1);
|
|
|
1733 if (conf->headers_set == NULL) {
|
|
|
1734 return NGX_CONF_ERROR;
|
|
|
1735 }
|
|
|
1736
|
|
|
1737
|
|
|
1738 src = conf->headers_source->elts;
|
|
|
1739
|
|
|
1740 for (h = ngx_http_proxy_headers; h->key.len; h++) {
|
|
|
1741
|
|
|
1742 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
1743 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
|
1744 goto next;
|
|
507
|
1745 }
|
|
|
1746 }
|
|
|
1747
|
|
509
|
1748 s = ngx_array_push(conf->headers_source);
|
|
|
1749 if (s == NULL) {
|
|
507
|
1750 return NGX_CONF_ERROR;
|
|
|
1751 }
|
|
|
1752
|
|
509
|
1753 *s = *h;
|
|
507
|
1754
|
|
517
|
1755 src = conf->headers_source->elts;
|
|
|
1756
|
|
509
|
1757 next:
|
|
507
|
1758
|
|
509
|
1759 continue;
|
|
|
1760 }
|
|
507
|
1761
|
|
577
|
1762
|
|
|
1763 src = conf->headers_source->elts;
|
|
509
|
1764 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
507
|
1765
|
|
|
1766 name = ngx_array_push(conf->headers_names);
|
|
|
1767 if (name == NULL) {
|
|
|
1768 return NGX_CONF_ERROR;
|
|
|
1769 }
|
|
|
1770
|
|
509
|
1771 *name = src[i].key;
|
|
|
1772
|
|
519
|
1773 if (src[i].value.len == 0) {
|
|
|
1774 continue;
|
|
|
1775 }
|
|
|
1776
|
|
509
|
1777 if (ngx_http_script_variables_count(&src[i].value) == 0) {
|
|
|
1778 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
1779 sizeof(ngx_http_script_copy_code_t));
|
|
|
1780 if (copy == NULL) {
|
|
|
1781 return NGX_CONF_ERROR;
|
|
|
1782 }
|
|
|
1783
|
|
|
1784 copy->code = (ngx_http_script_code_pt)
|
|
|
1785 ngx_http_script_copy_len_code;
|
|
|
1786 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
1787 + src[i].value.len + sizeof(CRLF) - 1;
|
|
507
|
1788
|
|
|
1789
|
|
509
|
1790 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1791 + src[i].key.len + sizeof(": ") - 1
|
|
|
1792 + src[i].value.len + sizeof(CRLF) - 1
|
|
|
1793 + sizeof(uintptr_t) - 1)
|
|
|
1794 & ~(sizeof(uintptr_t) - 1);
|
|
|
1795
|
|
|
1796 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
1797 if (copy == NULL) {
|
|
|
1798 return NGX_CONF_ERROR;
|
|
|
1799 }
|
|
|
1800
|
|
|
1801 copy->code = ngx_http_script_copy_code;
|
|
|
1802 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
1803 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
1804
|
|
|
1805 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
1806
|
|
|
1807 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
1808 *p++ = ':'; *p++ = ' ';
|
|
|
1809 p = ngx_cpymem(p, src[i].value.data, src[i].value.len);
|
|
|
1810 *p++ = CR; *p = LF;
|
|
|
1811
|
|
|
1812 } else {
|
|
|
1813 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
1814 sizeof(ngx_http_script_copy_code_t));
|
|
|
1815 if (copy == NULL) {
|
|
|
1816 return NGX_CONF_ERROR;
|
|
|
1817 }
|
|
|
1818
|
|
|
1819 copy->code = (ngx_http_script_code_pt)
|
|
|
1820 ngx_http_script_copy_len_code;
|
|
|
1821 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
507
|
1822
|
|
|
1823
|
|
509
|
1824 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1825 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1)
|
|
|
1826 & ~(sizeof(uintptr_t) - 1);
|
|
|
1827
|
|
|
1828 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
1829 if (copy == NULL) {
|
|
|
1830 return NGX_CONF_ERROR;
|
|
|
1831 }
|
|
|
1832
|
|
|
1833 copy->code = ngx_http_script_copy_code;
|
|
|
1834 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
1835
|
|
|
1836 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
1837 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
1838 *p++ = ':'; *p = ' ';
|
|
|
1839
|
|
|
1840
|
|
|
1841 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1842
|
|
|
1843 sc.cf = cf;
|
|
|
1844 sc.source = &src[i].value;
|
|
573
|
1845 sc.flushes = &conf->flushes;
|
|
509
|
1846 sc.lengths = &conf->headers_set_len;
|
|
|
1847 sc.values = &conf->headers_set;
|
|
|
1848
|
|
|
1849 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1850 return NGX_CONF_ERROR;
|
|
|
1851 }
|
|
|
1852
|
|
|
1853
|
|
|
1854 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
1855 sizeof(ngx_http_script_copy_code_t));
|
|
|
1856 if (copy == NULL) {
|
|
|
1857 return NGX_CONF_ERROR;
|
|
|
1858 }
|
|
|
1859
|
|
|
1860 copy->code = (ngx_http_script_code_pt)
|
|
|
1861 ngx_http_script_copy_len_code;
|
|
|
1862 copy->len = sizeof(CRLF) - 1;
|
|
|
1863
|
|
|
1864
|
|
|
1865 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1866 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1)
|
|
|
1867 & ~(sizeof(uintptr_t) - 1);
|
|
|
1868
|
|
|
1869 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
1870 if (copy == NULL) {
|
|
|
1871 return NGX_CONF_ERROR;
|
|
|
1872 }
|
|
|
1873
|
|
|
1874 copy->code = ngx_http_script_copy_code;
|
|
|
1875 copy->len = sizeof(CRLF) - 1;
|
|
|
1876
|
|
|
1877 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
1878 *p++ = CR; *p = LF;
|
|
507
|
1879 }
|
|
|
1880
|
|
509
|
1881 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
1882 if (code == NULL) {
|
|
507
|
1883 return NGX_CONF_ERROR;
|
|
|
1884 }
|
|
|
1885
|
|
509
|
1886 *code = (uintptr_t) NULL;
|
|
|
1887
|
|
|
1888 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t));
|
|
|
1889 if (code == NULL) {
|
|
|
1890 return NGX_CONF_ERROR;
|
|
|
1891 }
|
|
|
1892
|
|
|
1893 *code = (uintptr_t) NULL;
|
|
507
|
1894 }
|
|
|
1895
|
|
509
|
1896 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
1897 if (code == NULL) {
|
|
|
1898 return NGX_CONF_ERROR;
|
|
507
|
1899 }
|
|
|
1900
|
|
509
|
1901 *code = (uintptr_t) NULL;
|
|
507
|
1902
|
|
|
1903
|
|
589
|
1904 conf->headers_set_hash = ngx_pcalloc(cf->pool, sizeof(ngx_hash0_t));
|
|
509
|
1905 if (conf->headers_set_hash == NULL) {
|
|
|
1906 return NGX_CONF_ERROR;
|
|
507
|
1907 }
|
|
|
1908
|
|
509
|
1909 conf->headers_set_hash->max_size = 100;
|
|
|
1910 conf->headers_set_hash->bucket_limit = 1;
|
|
|
1911 conf->headers_set_hash->bucket_size = sizeof(ngx_str_t);
|
|
|
1912 conf->headers_set_hash->name = "proxy_headers";
|
|
507
|
1913
|
|
589
|
1914 if (ngx_hash0_init(conf->headers_set_hash, cf->pool,
|
|
|
1915 conf->headers_names->elts, conf->headers_names->nelts)
|
|
|
1916 != NGX_OK)
|
|
509
|
1917 {
|
|
|
1918 return NGX_CONF_ERROR;
|
|
507
|
1919 }
|
|
|
1920
|
|
509
|
1921 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, cf->log, 0,
|
|
|
1922 "proxy_headers hash size: %ui, "
|
|
|
1923 "max buckets per entry: %ui",
|
|
|
1924 conf->headers_set_hash->hash_size,
|
|
|
1925 conf->headers_set_hash->min_buckets);
|
|
507
|
1926
|
|
509
|
1927 return NGX_CONF_OK;
|
|
507
|
1928 }
|
|
|
1929
|
|
|
1930
|
|
|
1931 static char *
|
|
|
1932 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1933 {
|
|
509
|
1934 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
507
|
1935
|
|
577
|
1936 size_t add;
|
|
593
|
1937 u_short port;
|
|
507
|
1938 ngx_str_t *value, *url;
|
|
|
1939 ngx_inet_upstream_t inet_upstream;
|
|
|
1940 ngx_http_core_loc_conf_t *clcf;
|
|
577
|
1941 #if (NGX_HTTP_SSL)
|
|
|
1942 ngx_pool_cleanup_t *cln;
|
|
|
1943 #endif
|
|
507
|
1944 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
1945 ngx_unix_domain_upstream_t unix_upstream;
|
|
|
1946 #endif
|
|
|
1947
|
|
555
|
1948 if (plcf->upstream.schema.len) {
|
|
|
1949 return "is duplicate";
|
|
|
1950 }
|
|
|
1951
|
|
507
|
1952 value = cf->args->elts;
|
|
|
1953
|
|
|
1954 url = &value[1];
|
|
|
1955
|
|
577
|
1956 if (ngx_strncasecmp(url->data, "http://", 7) == 0) {
|
|
|
1957 add = 7;
|
|
591
|
1958 port = 80;
|
|
577
|
1959
|
|
|
1960 } else if (ngx_strncasecmp(url->data, "https://", 8) == 0) {
|
|
|
1961
|
|
|
1962 #if (NGX_HTTP_SSL)
|
|
|
1963
|
|
|
1964 add = 8;
|
|
591
|
1965 port = 443;
|
|
577
|
1966
|
|
|
1967 plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t));
|
|
|
1968 if (plcf->upstream.ssl == NULL) {
|
|
|
1969 return NGX_CONF_ERROR;
|
|
|
1970 }
|
|
|
1971
|
|
|
1972 plcf->upstream.ssl->log = cf->log;
|
|
|
1973
|
|
|
1974 if (ngx_ssl_create(plcf->upstream.ssl,
|
|
|
1975 NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1)
|
|
|
1976 != NGX_OK)
|
|
|
1977 {
|
|
|
1978 return NGX_CONF_ERROR;
|
|
|
1979 }
|
|
|
1980
|
|
|
1981 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
1982 if (cln == NULL) {
|
|
|
1983 return NGX_CONF_ERROR;
|
|
|
1984 }
|
|
|
1985
|
|
|
1986 cln->handler = ngx_ssl_cleanup_ctx;
|
|
|
1987 cln->data = plcf->upstream.ssl;
|
|
|
1988
|
|
|
1989 #else
|
|
|
1990 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1991 "https protocol requires SSL support");
|
|
|
1992 return NGX_CONF_ERROR;
|
|
|
1993 #endif
|
|
|
1994
|
|
|
1995 } else {
|
|
507
|
1996 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix");
|
|
|
1997 return NGX_CONF_ERROR;
|
|
|
1998 }
|
|
|
1999
|
|
577
|
2000 if (ngx_strncasecmp(url->data + add, "unix:", 5) == 0) {
|
|
507
|
2001
|
|
|
2002 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
2003
|
|
|
2004 ngx_memzero(&unix_upstream, sizeof(ngx_unix_domain_upstream_t));
|
|
|
2005
|
|
|
2006 unix_upstream.name = *url;
|
|
577
|
2007 unix_upstream.url.len = url->len - add;
|
|
|
2008 unix_upstream.url.data = url->data + add;
|
|
507
|
2009 unix_upstream.uri_part = 1;
|
|
|
2010
|
|
509
|
2011 plcf->peers = ngx_unix_upstream_parse(cf, &unix_upstream);
|
|
|
2012 if (plcf->peers == NULL) {
|
|
507
|
2013 return NGX_CONF_ERROR;
|
|
|
2014 }
|
|
|
2015
|
|
509
|
2016 plcf->host_header.len = sizeof("localhost") - 1;
|
|
|
2017 plcf->host_header.data = (u_char *) "localhost";
|
|
|
2018 plcf->upstream.uri = unix_upstream.uri;
|
|
507
|
2019
|
|
|
2020 #else
|
|
|
2021 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2022 "the unix domain sockets are not supported "
|
|
|
2023 "on this platform");
|
|
|
2024 return NGX_CONF_ERROR;
|
|
|
2025
|
|
|
2026 #endif
|
|
|
2027
|
|
|
2028 } else {
|
|
|
2029 ngx_memzero(&inet_upstream, sizeof(ngx_inet_upstream_t));
|
|
|
2030
|
|
|
2031 inet_upstream.name = *url;
|
|
577
|
2032 inet_upstream.url.len = url->len - add;
|
|
|
2033 inet_upstream.url.data = url->data + add;
|
|
591
|
2034 inet_upstream.default_port_value = port;
|
|
507
|
2035 inet_upstream.uri_part = 1;
|
|
|
2036
|
|
509
|
2037 plcf->peers = ngx_inet_upstream_parse(cf, &inet_upstream);
|
|
|
2038 if (plcf->peers == NULL) {
|
|
507
|
2039 return NGX_CONF_ERROR;
|
|
|
2040 }
|
|
|
2041
|
|
509
|
2042 plcf->host_header = inet_upstream.host_header;
|
|
|
2043 plcf->port_text = inet_upstream.port_text;
|
|
|
2044 plcf->upstream.uri = inet_upstream.uri;
|
|
507
|
2045 }
|
|
|
2046
|
|
591
|
2047 plcf->upstream.schema.len = add;
|
|
|
2048 plcf->upstream.schema.data = url->data;
|
|
509
|
2049
|
|
507
|
2050 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
2051
|
|
|
2052 clcf->handler = ngx_http_proxy_handler;
|
|
|
2053
|
|
573
|
2054 plcf->upstream.location = clcf->name;
|
|
555
|
2055
|
|
507
|
2056 #if (NGX_PCRE)
|
|
555
|
2057
|
|
573
|
2058 if (clcf->regex) {
|
|
|
2059 if (plcf->upstream.uri.len) {
|
|
|
2060 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2061 "\"proxy_pass\" may not have URI part in "
|
|
|
2062 "location given by regular expression");
|
|
|
2063 return NGX_CONF_ERROR;
|
|
|
2064 }
|
|
|
2065
|
|
|
2066 plcf->upstream.location.len = 0;
|
|
555
|
2067 }
|
|
|
2068
|
|
507
|
2069 #endif
|
|
|
2070
|
|
509
|
2071 plcf->upstream.url = *url;
|
|
|
2072
|
|
507
|
2073 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
2074 clcf->auto_redirect = 1;
|
|
|
2075 }
|
|
|
2076
|
|
|
2077 return NGX_CONF_OK;
|
|
|
2078 }
|
|
|
2079
|
|
|
2080
|
|
|
2081 static char *
|
|
509
|
2082 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
507
|
2083 {
|
|
509
|
2084 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2085
|
|
|
2086 ngx_str_t *value;
|
|
|
2087 ngx_array_t *vars_lengths, *vars_values;
|
|
|
2088 ngx_http_script_compile_t sc;
|
|
|
2089 ngx_http_proxy_redirect_t *pr;
|
|
|
2090
|
|
|
2091 if (plcf->redirect == 0) {
|
|
|
2092 return NGX_CONF_OK;
|
|
|
2093 }
|
|
|
2094
|
|
|
2095 value = cf->args->elts;
|
|
|
2096
|
|
|
2097 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2098 plcf->redirect = 0;
|
|
|
2099 plcf->redirects = NULL;
|
|
|
2100 return NGX_CONF_OK;
|
|
|
2101 }
|
|
|
2102
|
|
|
2103 if (plcf->redirects == NULL) {
|
|
|
2104 plcf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
2105 sizeof(ngx_http_proxy_redirect_t));
|
|
|
2106 if (plcf->redirects == NULL) {
|
|
|
2107 return NGX_CONF_ERROR;
|
|
|
2108 }
|
|
|
2109 }
|
|
|
2110
|
|
|
2111 pr = ngx_array_push(plcf->redirects);
|
|
|
2112 if (pr == NULL) {
|
|
|
2113 return NGX_CONF_ERROR;
|
|
|
2114 }
|
|
|
2115
|
|
|
2116 if (cf->args->nelts == 2 && ngx_strcmp(value[1].data, "default") == 0) {
|
|
|
2117 if (plcf->upstream.url.data == NULL) {
|
|
|
2118 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2119 "\"proxy_rewrite_location default\" must go "
|
|
|
2120 "after the \"proxy_pass\" directive");
|
|
|
2121 return NGX_CONF_ERROR;
|
|
|
2122 }
|
|
|
2123
|
|
|
2124 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2125 pr->redirect = plcf->upstream.url;
|
|
573
|
2126 pr->replacement.text = plcf->upstream.location;
|
|
509
|
2127
|
|
|
2128 return NGX_CONF_OK;
|
|
|
2129 }
|
|
|
2130
|
|
|
2131 if (ngx_http_script_variables_count(&value[2]) == 0) {
|
|
|
2132 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2133 pr->redirect = value[1];
|
|
|
2134 pr->replacement.text = value[2];
|
|
|
2135
|
|
|
2136 return NGX_CONF_OK;
|
|
|
2137 }
|
|
|
2138
|
|
|
2139 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2140
|
|
|
2141 vars_lengths = NULL;
|
|
|
2142 vars_values = NULL;
|
|
|
2143
|
|
|
2144 sc.cf = cf;
|
|
|
2145 sc.source = &value[2];
|
|
|
2146 sc.lengths = &vars_lengths;
|
|
|
2147 sc.values = &vars_values;
|
|
|
2148 sc.complete_lengths = 1;
|
|
|
2149 sc.complete_values = 1;
|
|
|
2150
|
|
|
2151 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2152 return NGX_CONF_ERROR;
|
|
|
2153 }
|
|
|
2154
|
|
|
2155 pr->handler = ngx_http_proxy_rewrite_redirect_vars;
|
|
|
2156 pr->redirect = value[1];
|
|
|
2157 pr->replacement.vars.lengths = vars_lengths->elts;
|
|
|
2158 pr->replacement.vars.values = vars_values->elts;
|
|
|
2159
|
|
507
|
2160 return NGX_CONF_OK;
|
|
|
2161 }
|
|
|
2162
|
|
|
2163
|
|
|
2164 static char *
|
|
|
2165 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data)
|
|
|
2166 {
|
|
|
2167 #if (NGX_FREEBSD)
|
|
|
2168 ssize_t *np = data;
|
|
|
2169
|
|
|
2170 if (*np >= ngx_freebsd_net_inet_tcp_sendspace) {
|
|
|
2171 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2172 "\"proxy_send_lowat\" must be less than %d "
|
|
|
2173 "(sysctl net.inet.tcp.sendspace)",
|
|
|
2174 ngx_freebsd_net_inet_tcp_sendspace);
|
|
|
2175
|
|
|
2176 return NGX_CONF_ERROR;
|
|
|
2177 }
|
|
|
2178
|
|
|
2179 #elif !(NGX_HAVE_SO_SNDLOWAT)
|
|
|
2180 ssize_t *np = data;
|
|
|
2181
|
|
|
2182 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
2183 "\"proxy_send_lowat\" is not supported, ignored");
|
|
|
2184
|
|
|
2185 *np = 0;
|
|
|
2186
|
|
|
2187 #endif
|
|
|
2188
|
|
|
2189 return NGX_CONF_OK;
|
|
|
2190 }
|
