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58
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1
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126
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2 /*
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58
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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_http.h>
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10
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11
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12 typedef struct ngx_http_proxy_redirect_s ngx_http_proxy_redirect_t;
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13
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14 typedef ngx_int_t (*ngx_http_proxy_redirect_pt)(ngx_http_request_t *r,
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15 ngx_table_elt_t *h, size_t prefix, ngx_http_proxy_redirect_t *pr);
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16
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17 struct ngx_http_proxy_redirect_s {
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200
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18 ngx_http_proxy_redirect_pt handler;
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19 ngx_str_t redirect;
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58
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20
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21 union {
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200
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22 ngx_str_t text;
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58
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23
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24 struct {
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200
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25 void *lengths;
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26 void *values;
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58
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27 } vars;
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28
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200
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29 void *regex;
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58
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30 } replacement;
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31 };
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32
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33
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34 typedef struct {
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464
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35 ngx_str_t key_start;
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430
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36 ngx_str_t schema;
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348
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37 ngx_str_t host_header;
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38 ngx_str_t port;
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39 ngx_str_t uri;
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40 } ngx_http_proxy_vars_t;
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41
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42
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43 typedef struct {
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200
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44 ngx_http_upstream_conf_t upstream;
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45
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46 ngx_array_t *flushes;
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47 ngx_array_t *body_set_len;
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48 ngx_array_t *body_set;
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49 ngx_array_t *headers_set_len;
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50 ngx_array_t *headers_set;
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51 ngx_hash_t headers_set_hash;
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52
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53 ngx_array_t *headers_source;
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54
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348
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55 ngx_array_t *proxy_lengths;
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56 ngx_array_t *proxy_values;
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57
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200
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58 ngx_array_t *redirects;
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59
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60 ngx_str_t body_source;
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61
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62 ngx_str_t method;
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348
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63 ngx_str_t location;
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64 ngx_str_t url;
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65
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472
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66 #if (NGX_HTTP_CACHE)
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67 ngx_http_complex_value_t cache_key;
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68 #endif
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69
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348
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70 ngx_http_proxy_vars_t vars;
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200
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71
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72 ngx_flag_t redirect;
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298
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73
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74 ngx_uint_t headers_hash_max_size;
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75 ngx_uint_t headers_hash_bucket_size;
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58
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76 } ngx_http_proxy_loc_conf_t;
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77
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78
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79 typedef struct {
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580
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80 ngx_http_status_t status;
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348
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81 ngx_http_proxy_vars_t vars;
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200
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82 size_t internal_body_length;
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58
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83 } ngx_http_proxy_ctx_t;
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84
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85
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348
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86 static ngx_int_t ngx_http_proxy_eval(ngx_http_request_t *r,
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87 ngx_http_proxy_ctx_t *ctx, ngx_http_proxy_loc_conf_t *plcf);
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464
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88 #if (NGX_HTTP_CACHE)
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89 static ngx_int_t ngx_http_proxy_create_key(ngx_http_request_t *r);
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90 #endif
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58
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91 static ngx_int_t ngx_http_proxy_create_request(ngx_http_request_t *r);
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92 static ngx_int_t ngx_http_proxy_reinit_request(ngx_http_request_t *r);
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93 static ngx_int_t ngx_http_proxy_process_status_line(ngx_http_request_t *r);
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94 static ngx_int_t ngx_http_proxy_process_header(ngx_http_request_t *r);
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95 static void ngx_http_proxy_abort_request(ngx_http_request_t *r);
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96 static void ngx_http_proxy_finalize_request(ngx_http_request_t *r,
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97 ngx_int_t rc);
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98
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122
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99 static ngx_int_t ngx_http_proxy_host_variable(ngx_http_request_t *r,
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100 ngx_http_variable_value_t *v, uintptr_t data);
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101 static ngx_int_t ngx_http_proxy_port_variable(ngx_http_request_t *r,
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102 ngx_http_variable_value_t *v, uintptr_t data);
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103 static ngx_int_t
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58
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104 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
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122
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105 ngx_http_variable_value_t *v, uintptr_t data);
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126
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106 static ngx_int_t
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107 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
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108 ngx_http_variable_value_t *v, uintptr_t data);
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58
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109 static ngx_int_t ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r,
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110 ngx_table_elt_t *h, size_t prefix);
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111
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112 static ngx_int_t ngx_http_proxy_add_variables(ngx_conf_t *cf);
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113 static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf);
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114 static char *ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf,
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115 void *parent, void *child);
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464
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116 static ngx_int_t ngx_http_proxy_merge_headers(ngx_conf_t *cf,
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117 ngx_http_proxy_loc_conf_t *conf, ngx_http_proxy_loc_conf_t *prev);
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58
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118
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119 static char *ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd,
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120 void *conf);
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121 static char *ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd,
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122 void *conf);
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320
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123 static char *ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd,
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124 void *conf);
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464
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125 #if (NGX_HTTP_CACHE)
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126 static char *ngx_http_proxy_cache(ngx_conf_t *cf, ngx_command_t *cmd,
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127 void *conf);
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472
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128 static char *ngx_http_proxy_cache_key(ngx_conf_t *cf, ngx_command_t *cmd,
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129 void *conf);
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464
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130 #endif
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131
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132 static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data);
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133
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348
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134 #if (NGX_HTTP_SSL)
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135 static ngx_int_t ngx_http_proxy_set_ssl(ngx_conf_t *cf,
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136 ngx_http_proxy_loc_conf_t *plcf);
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137 #endif
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464
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138 static void ngx_http_proxy_set_vars(ngx_url_t *u, ngx_http_proxy_vars_t *v);
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348
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139
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58
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140
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141 static ngx_conf_post_t ngx_http_proxy_lowat_post =
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142 { ngx_http_proxy_lowat_check };
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143
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144
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145 static ngx_conf_bitmask_t ngx_http_proxy_next_upstream_masks[] = {
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146 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
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147 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
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148 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
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149 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
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412
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150 { ngx_string("http_502"), NGX_HTTP_UPSTREAM_FT_HTTP_502 },
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172
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151 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 },
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412
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152 { ngx_string("http_504"), NGX_HTTP_UPSTREAM_FT_HTTP_504 },
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58
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153 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
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498
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154 { ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING },
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214
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155 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF },
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58
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156 { ngx_null_string, 0 }
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157 };
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158
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159
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464
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160 ngx_module_t ngx_http_proxy_module;
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161
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162
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58
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163 static ngx_command_t ngx_http_proxy_commands[] = {
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164
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165 { ngx_string("proxy_pass"),
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256
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166 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1,
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58
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167 ngx_http_proxy_pass,
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168 NGX_HTTP_LOC_CONF_OFFSET,
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169 0,
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170 NULL },
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171
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172 { ngx_string("proxy_redirect"),
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173 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
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174 ngx_http_proxy_redirect,
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175 NGX_HTTP_LOC_CONF_OFFSET,
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176 0,
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177 NULL },
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178
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318
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179 { ngx_string("proxy_store"),
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320
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180 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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181 ngx_http_proxy_store,
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182 NGX_HTTP_LOC_CONF_OFFSET,
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183 0,
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184 NULL },
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185
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186 { ngx_string("proxy_store_access"),
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318
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187 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123,
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188 ngx_conf_set_access_slot,
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189 NGX_HTTP_LOC_CONF_OFFSET,
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320
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190 offsetof(ngx_http_proxy_loc_conf_t, upstream.store_access),
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318
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191 NULL },
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192
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130
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193 { ngx_string("proxy_buffering"),
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194 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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195 ngx_conf_set_flag_slot,
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196 NGX_HTTP_LOC_CONF_OFFSET,
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197 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffering),
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198 NULL },
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199
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178
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200 { ngx_string("proxy_ignore_client_abort"),
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201 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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202 ngx_conf_set_flag_slot,
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203 NGX_HTTP_LOC_CONF_OFFSET,
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204 offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_client_abort),
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205 NULL },
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206
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540
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207 { ngx_string("proxy_bind"),
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208 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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558
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209 ngx_http_upstream_bind_set_slot,
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540
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210 NGX_HTTP_LOC_CONF_OFFSET,
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211 offsetof(ngx_http_proxy_loc_conf_t, upstream.local),
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212 NULL },
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213
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58
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214 { ngx_string("proxy_connect_timeout"),
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215 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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216 ngx_conf_set_msec_slot,
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217 NGX_HTTP_LOC_CONF_OFFSET,
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218 offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout),
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219 NULL },
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220
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221 { ngx_string("proxy_send_timeout"),
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222 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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223 ngx_conf_set_msec_slot,
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224 NGX_HTTP_LOC_CONF_OFFSET,
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225 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout),
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226 NULL },
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227
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228 { ngx_string("proxy_send_lowat"),
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229 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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230 ngx_conf_set_size_slot,
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231 NGX_HTTP_LOC_CONF_OFFSET,
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232 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat),
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233 &ngx_http_proxy_lowat_post },
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234
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206
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235 { ngx_string("proxy_intercept_errors"),
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236 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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237 ngx_conf_set_flag_slot,
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238 NGX_HTTP_LOC_CONF_OFFSET,
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239 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors),
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240 NULL },
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241
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58
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242 { ngx_string("proxy_set_header"),
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243 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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198
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244 ngx_conf_set_keyval_slot,
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58
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245 NGX_HTTP_LOC_CONF_OFFSET,
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246 offsetof(ngx_http_proxy_loc_conf_t, headers_source),
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247 NULL },
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248
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298
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249 { ngx_string("proxy_headers_hash_max_size"),
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250 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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251 ngx_conf_set_num_slot,
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252 NGX_HTTP_LOC_CONF_OFFSET,
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253 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_max_size),
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254 NULL },
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255
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256 { ngx_string("proxy_headers_hash_bucket_size"),
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257 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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258 ngx_conf_set_num_slot,
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259 NGX_HTTP_LOC_CONF_OFFSET,
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260 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_bucket_size),
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261 NULL },
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262
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126
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263 { ngx_string("proxy_set_body"),
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264 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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265 ngx_conf_set_str_slot,
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266 NGX_HTTP_LOC_CONF_OFFSET,
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267 offsetof(ngx_http_proxy_loc_conf_t, body_source),
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268 NULL },
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269
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58
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270 { ngx_string("proxy_method"),
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271 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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110
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272 ngx_conf_set_str_slot,
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58
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273 NGX_HTTP_LOC_CONF_OFFSET,
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110
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274 offsetof(ngx_http_proxy_loc_conf_t, method),
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275 NULL },
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58
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276
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277 { ngx_string("proxy_pass_request_headers"),
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278 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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279 ngx_conf_set_flag_slot,
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280 NGX_HTTP_LOC_CONF_OFFSET,
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281 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers),
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282 NULL },
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283
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284 { ngx_string("proxy_pass_request_body"),
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285 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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286 ngx_conf_set_flag_slot,
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287 NGX_HTTP_LOC_CONF_OFFSET,
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288 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body),
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289 NULL },
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290
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130
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291 { ngx_string("proxy_buffer_size"),
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292 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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293 ngx_conf_set_size_slot,
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294 NGX_HTTP_LOC_CONF_OFFSET,
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295 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
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296 NULL },
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297
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58
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298 { ngx_string("proxy_read_timeout"),
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299 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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300 ngx_conf_set_msec_slot,
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301 NGX_HTTP_LOC_CONF_OFFSET,
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302 offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout),
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303 NULL },
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304
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305 { ngx_string("proxy_buffers"),
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306 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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307 ngx_conf_set_bufs_slot,
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308 NGX_HTTP_LOC_CONF_OFFSET,
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309 offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs),
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310 NULL },
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311
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312 { ngx_string("proxy_busy_buffers_size"),
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313 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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314 ngx_conf_set_size_slot,
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315 NGX_HTTP_LOC_CONF_OFFSET,
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78
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316 offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf),
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58
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317 NULL },
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318
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464
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319 #if (NGX_HTTP_CACHE)
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320
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321 { ngx_string("proxy_cache"),
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322 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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323 ngx_http_proxy_cache,
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324 NGX_HTTP_LOC_CONF_OFFSET,
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466
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325 0,
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464
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326 NULL },
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327
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472
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328 { ngx_string("proxy_cache_key"),
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329 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
330 ngx_http_proxy_cache_key,
|
|
|
331 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
332 0,
|
|
|
333 NULL },
|
|
|
334
|
|
464
|
335 { ngx_string("proxy_cache_path"),
|
|
|
336 NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE,
|
|
|
337 ngx_http_file_cache_set_slot,
|
|
|
338 0,
|
|
|
339 0,
|
|
|
340 &ngx_http_proxy_module },
|
|
|
341
|
|
588
|
342 { ngx_string("proxy_cache_bypass"),
|
|
|
343 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
344 ngx_http_set_predicate_slot,
|
|
|
345 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
346 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_bypass),
|
|
|
347 NULL },
|
|
|
348
|
|
572
|
349 { ngx_string("proxy_no_cache"),
|
|
|
350 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
588
|
351 ngx_http_set_predicate_slot,
|
|
572
|
352 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
353 offsetof(ngx_http_proxy_loc_conf_t, upstream.no_cache),
|
|
|
354 NULL },
|
|
|
355
|
|
464
|
356 { ngx_string("proxy_cache_valid"),
|
|
|
357 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
358 ngx_http_file_cache_valid_set_slot,
|
|
|
359 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
360 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_valid),
|
|
|
361 NULL },
|
|
|
362
|
|
|
363 { ngx_string("proxy_cache_min_uses"),
|
|
|
364 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
365 ngx_conf_set_num_slot,
|
|
|
366 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
367 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_min_uses),
|
|
|
368 NULL },
|
|
|
369
|
|
|
370 { ngx_string("proxy_cache_use_stale"),
|
|
|
371 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
372 ngx_conf_set_bitmask_slot,
|
|
|
373 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
374 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_use_stale),
|
|
|
375 &ngx_http_proxy_next_upstream_masks },
|
|
|
376
|
|
494
|
377 { ngx_string("proxy_cache_methods"),
|
|
|
378 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
379 ngx_conf_set_bitmask_slot,
|
|
|
380 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
381 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_methods),
|
|
|
382 &ngx_http_upstream_cache_method_mask },
|
|
|
383
|
|
464
|
384 #endif
|
|
|
385
|
|
58
|
386 { ngx_string("proxy_temp_path"),
|
|
|
387 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
|
|
|
388 ngx_conf_set_path_slot,
|
|
|
389 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
390 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path),
|
|
464
|
391 NULL },
|
|
58
|
392
|
|
|
393 { ngx_string("proxy_max_temp_file_size"),
|
|
|
394 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
395 ngx_conf_set_size_slot,
|
|
|
396 NGX_HTTP_LOC_CONF_OFFSET,
|
|
78
|
397 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf),
|
|
58
|
398 NULL },
|
|
|
399
|
|
|
400 { ngx_string("proxy_temp_file_write_size"),
|
|
|
401 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
402 ngx_conf_set_size_slot,
|
|
|
403 NGX_HTTP_LOC_CONF_OFFSET,
|
|
78
|
404 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_file_write_size_conf),
|
|
58
|
405 NULL },
|
|
|
406
|
|
|
407 { ngx_string("proxy_next_upstream"),
|
|
96
|
408 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
58
|
409 ngx_conf_set_bitmask_slot,
|
|
|
410 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
411 offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream),
|
|
|
412 &ngx_http_proxy_next_upstream_masks },
|
|
|
413
|
|
198
|
414 { ngx_string("proxy_pass_header"),
|
|
58
|
415 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
198
|
416 ngx_conf_set_str_array_slot,
|
|
58
|
417 NGX_HTTP_LOC_CONF_OFFSET,
|
|
198
|
418 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_headers),
|
|
58
|
419 NULL },
|
|
|
420
|
|
198
|
421 { ngx_string("proxy_hide_header"),
|
|
58
|
422 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
198
|
423 ngx_conf_set_str_array_slot,
|
|
58
|
424 NGX_HTTP_LOC_CONF_OFFSET,
|
|
198
|
425 offsetof(ngx_http_proxy_loc_conf_t, upstream.hide_headers),
|
|
58
|
426 NULL },
|
|
|
427
|
|
484
|
428 { ngx_string("proxy_ignore_headers"),
|
|
|
429 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
430 ngx_conf_set_bitmask_slot,
|
|
|
431 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
432 offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_headers),
|
|
584
|
433 &ngx_http_upstream_ignore_headers_masks },
|
|
484
|
434
|
|
398
|
435 #if (NGX_HTTP_SSL)
|
|
|
436
|
|
|
437 { ngx_string("proxy_ssl_session_reuse"),
|
|
|
438 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
439 ngx_conf_set_flag_slot,
|
|
|
440 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
441 offsetof(ngx_http_proxy_loc_conf_t, upstream.ssl_session_reuse),
|
|
|
442 NULL },
|
|
|
443
|
|
|
444 #endif
|
|
|
445
|
|
58
|
446 ngx_null_command
|
|
|
447 };
|
|
|
448
|
|
|
449
|
|
216
|
450 static ngx_http_module_t ngx_http_proxy_module_ctx = {
|
|
58
|
451 ngx_http_proxy_add_variables, /* preconfiguration */
|
|
|
452 NULL, /* postconfiguration */
|
|
|
453
|
|
|
454 NULL, /* create main configuration */
|
|
|
455 NULL, /* init main configuration */
|
|
|
456
|
|
|
457 NULL, /* create server configuration */
|
|
|
458 NULL, /* merge server configuration */
|
|
|
459
|
|
|
460 ngx_http_proxy_create_loc_conf, /* create location configration */
|
|
|
461 ngx_http_proxy_merge_loc_conf /* merge location configration */
|
|
|
462 };
|
|
|
463
|
|
|
464
|
|
|
465 ngx_module_t ngx_http_proxy_module = {
|
|
|
466 NGX_MODULE_V1,
|
|
|
467 &ngx_http_proxy_module_ctx, /* module context */
|
|
|
468 ngx_http_proxy_commands, /* module directives */
|
|
|
469 NGX_HTTP_MODULE, /* module type */
|
|
90
|
470 NULL, /* init master */
|
|
58
|
471 NULL, /* init module */
|
|
90
|
472 NULL, /* init process */
|
|
|
473 NULL, /* init thread */
|
|
|
474 NULL, /* exit thread */
|
|
|
475 NULL, /* exit process */
|
|
|
476 NULL, /* exit master */
|
|
|
477 NGX_MODULE_V1_PADDING
|
|
58
|
478 };
|
|
|
479
|
|
|
480
|
|
|
481 static char ngx_http_proxy_version[] = " HTTP/1.0" CRLF;
|
|
|
482
|
|
|
483
|
|
198
|
484 static ngx_keyval_t ngx_http_proxy_headers[] = {
|
|
|
485 { ngx_string("Host"), ngx_string("$proxy_host") },
|
|
|
486 { ngx_string("Connection"), ngx_string("close") },
|
|
|
487 { ngx_string("Keep-Alive"), ngx_string("") },
|
|
384
|
488 { ngx_string("Expect"), ngx_string("") },
|
|
198
|
489 { ngx_null_string, ngx_null_string }
|
|
|
490 };
|
|
|
491
|
|
|
492
|
|
|
493 static ngx_str_t ngx_http_proxy_hide_headers[] = {
|
|
|
494 ngx_string("Date"),
|
|
|
495 ngx_string("Server"),
|
|
|
496 ngx_string("X-Pad"),
|
|
|
497 ngx_string("X-Accel-Expires"),
|
|
|
498 ngx_string("X-Accel-Redirect"),
|
|
|
499 ngx_string("X-Accel-Limit-Rate"),
|
|
364
|
500 ngx_string("X-Accel-Buffering"),
|
|
|
501 ngx_string("X-Accel-Charset"),
|
|
198
|
502 ngx_null_string
|
|
58
|
503 };
|
|
|
504
|
|
|
505
|
|
480
|
506 #if (NGX_HTTP_CACHE)
|
|
|
507
|
|
|
508 static ngx_keyval_t ngx_http_proxy_cache_headers[] = {
|
|
|
509 { ngx_string("Host"), ngx_string("$proxy_host") },
|
|
|
510 { ngx_string("Connection"), ngx_string("close") },
|
|
|
511 { ngx_string("Keep-Alive"), ngx_string("") },
|
|
|
512 { ngx_string("Expect"), ngx_string("") },
|
|
|
513 { ngx_string("If-Modified-Since"), ngx_string("") },
|
|
|
514 { ngx_string("If-Unmodified-Since"), ngx_string("") },
|
|
558
|
515 { ngx_string("If-None-Match"), ngx_string("") },
|
|
480
|
516 { ngx_string("If-Match"), ngx_string("") },
|
|
|
517 { ngx_string("Range"), ngx_string("") },
|
|
|
518 { ngx_string("If-Range"), ngx_string("") },
|
|
|
519 { ngx_null_string, ngx_null_string }
|
|
|
520 };
|
|
|
521
|
|
|
522 #endif
|
|
|
523
|
|
|
524
|
|
58
|
525 static ngx_http_variable_t ngx_http_proxy_vars[] = {
|
|
|
526
|
|
186
|
527 { ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0,
|
|
366
|
528 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
529
|
|
186
|
530 { ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0,
|
|
366
|
531 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
532
|
|
186
|
533 { ngx_string("proxy_add_x_forwarded_for"), NULL,
|
|
132
|
534 ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
535
|
|
|
536 #if 0
|
|
186
|
537 { ngx_string("proxy_add_via"), NULL, NULL, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
538 #endif
|
|
|
539
|
|
186
|
540 { ngx_string("proxy_internal_body_length"), NULL,
|
|
132
|
541 ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
126
|
542
|
|
186
|
543 { ngx_null_string, NULL, NULL, 0, 0, 0 }
|
|
58
|
544 };
|
|
|
545
|
|
|
546
|
|
464
|
547 static ngx_path_init_t ngx_http_proxy_temp_path = {
|
|
|
548 ngx_string(NGX_HTTP_PROXY_TEMP_PATH), { 1, 2, 0 }
|
|
|
549 };
|
|
|
550
|
|
|
551
|
|
58
|
552 static ngx_int_t
|
|
|
553 ngx_http_proxy_handler(ngx_http_request_t *r)
|
|
126
|
554 {
|
|
58
|
555 ngx_int_t rc;
|
|
|
556 ngx_http_upstream_t *u;
|
|
348
|
557 ngx_http_proxy_ctx_t *ctx;
|
|
58
|
558 ngx_http_proxy_loc_conf_t *plcf;
|
|
126
|
559
|
|
510
|
560 if (ngx_http_upstream_create(r) != NGX_OK) {
|
|
58
|
561 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
562 }
|
|
126
|
563
|
|
348
|
564 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t));
|
|
|
565 if (ctx == NULL) {
|
|
|
566 return NGX_ERROR;
|
|
|
567 }
|
|
|
568
|
|
|
569 ngx_http_set_ctx(r, ctx, ngx_http_proxy_module);
|
|
|
570
|
|
|
571 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
572
|
|
510
|
573 u = r->upstream;
|
|
|
574
|
|
348
|
575 if (plcf->proxy_lengths == 0) {
|
|
|
576 ctx->vars = plcf->vars;
|
|
430
|
577 u->schema = plcf->vars.schema;
|
|
348
|
578 #if (NGX_HTTP_SSL)
|
|
|
579 u->ssl = (plcf->upstream.ssl != NULL);
|
|
|
580 #endif
|
|
|
581
|
|
|
582 } else {
|
|
|
583 if (ngx_http_proxy_eval(r, ctx, plcf) != NGX_OK) {
|
|
|
584 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
585 }
|
|
|
586 }
|
|
|
587
|
|
58
|
588 u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module;
|
|
|
589
|
|
|
590 u->conf = &plcf->upstream;
|
|
|
591
|
|
464
|
592 #if (NGX_HTTP_CACHE)
|
|
|
593 u->create_key = ngx_http_proxy_create_key;
|
|
|
594 #endif
|
|
58
|
595 u->create_request = ngx_http_proxy_create_request;
|
|
|
596 u->reinit_request = ngx_http_proxy_reinit_request;
|
|
|
597 u->process_header = ngx_http_proxy_process_status_line;
|
|
|
598 u->abort_request = ngx_http_proxy_abort_request;
|
|
|
599 u->finalize_request = ngx_http_proxy_finalize_request;
|
|
566
|
600 r->state = 0;
|
|
58
|
601
|
|
|
602 if (plcf->redirects) {
|
|
|
603 u->rewrite_redirect = ngx_http_proxy_rewrite_redirect;
|
|
|
604 }
|
|
|
605
|
|
198
|
606 u->buffering = plcf->upstream.buffering;
|
|
|
607
|
|
|
608 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
|
|
|
609 if (u->pipe == NULL) {
|
|
|
610 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
130
|
611 }
|
|
58
|
612
|
|
198
|
613 u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
|
|
|
614
|
|
58
|
615 u->accel = 1;
|
|
126
|
616
|
|
58
|
617 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
|
618
|
|
|
619 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
|
620 return rc;
|
|
|
621 }
|
|
|
622
|
|
|
623 return NGX_DONE;
|
|
|
624 }
|
|
|
625
|
|
|
626
|
|
|
627 static ngx_int_t
|
|
348
|
628 ngx_http_proxy_eval(ngx_http_request_t *r, ngx_http_proxy_ctx_t *ctx,
|
|
|
629 ngx_http_proxy_loc_conf_t *plcf)
|
|
|
630 {
|
|
464
|
631 u_char *p;
|
|
|
632 size_t add;
|
|
|
633 u_short port;
|
|
|
634 ngx_str_t proxy;
|
|
|
635 ngx_url_t url;
|
|
|
636 ngx_http_upstream_t *u;
|
|
348
|
637
|
|
|
638 if (ngx_http_script_run(r, &proxy, plcf->proxy_lengths->elts, 0,
|
|
|
639 plcf->proxy_values->elts)
|
|
|
640 == NULL)
|
|
|
641 {
|
|
|
642 return NGX_ERROR;
|
|
|
643 }
|
|
|
644
|
|
|
645 if (ngx_strncasecmp(proxy.data, (u_char *) "http://", 7) == 0) {
|
|
|
646
|
|
|
647 add = 7;
|
|
|
648 port = 80;
|
|
|
649
|
|
|
650 #if (NGX_HTTP_SSL)
|
|
|
651
|
|
|
652 } else if (ngx_strncasecmp(proxy.data, (u_char *) "https://", 8) == 0) {
|
|
|
653
|
|
|
654 add = 8;
|
|
|
655 port = 443;
|
|
|
656 r->upstream->ssl = 1;
|
|
|
657
|
|
|
658 #endif
|
|
|
659
|
|
|
660 } else {
|
|
|
661 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
662 "invalid URL prefix in \"%V\"", &proxy);
|
|
|
663 return NGX_ERROR;
|
|
|
664 }
|
|
|
665
|
|
464
|
666 u = r->upstream;
|
|
|
667
|
|
|
668 u->schema.len = add;
|
|
|
669 u->schema.data = proxy.data;
|
|
|
670
|
|
|
671 ngx_memzero(&url, sizeof(ngx_url_t));
|
|
|
672
|
|
|
673 url.url.len = proxy.len - add;
|
|
|
674 url.url.data = proxy.data + add;
|
|
|
675 url.default_port = port;
|
|
|
676 url.uri_part = 1;
|
|
|
677 url.no_resolve = 1;
|
|
|
678
|
|
|
679 if (ngx_parse_url(r->pool, &url) != NGX_OK) {
|
|
|
680 if (url.err) {
|
|
348
|
681 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
464
|
682 "%s in upstream \"%V\"", url.err, &url.url);
|
|
348
|
683 }
|
|
|
684
|
|
|
685 return NGX_ERROR;
|
|
|
686 }
|
|
|
687
|
|
546
|
688 if (url.uri.len) {
|
|
|
689 if (url.uri.data[0] == '?') {
|
|
|
690 p = ngx_pnalloc(r->pool, url.uri.len + 1);
|
|
|
691 if (p == NULL) {
|
|
|
692 return NGX_ERROR;
|
|
|
693 }
|
|
|
694
|
|
|
695 *p++ = '/';
|
|
|
696 ngx_memcpy(p, url.uri.data, url.uri.len);
|
|
|
697
|
|
|
698 url.uri.len++;
|
|
|
699 url.uri.data = p - 1;
|
|
416
|
700 }
|
|
|
701
|
|
546
|
702 } else {
|
|
|
703 url.uri = r->unparsed_uri;
|
|
416
|
704 }
|
|
|
705
|
|
464
|
706 ctx->vars.key_start = u->schema;
|
|
|
707
|
|
|
708 ngx_http_proxy_set_vars(&url, &ctx->vars);
|
|
|
709
|
|
|
710 u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t));
|
|
|
711 if (u->resolved == NULL) {
|
|
348
|
712 return NGX_ERROR;
|
|
|
713 }
|
|
|
714
|
|
464
|
715 if (url.addrs && url.addrs[0].sockaddr) {
|
|
|
716 u->resolved->sockaddr = url.addrs[0].sockaddr;
|
|
|
717 u->resolved->socklen = url.addrs[0].socklen;
|
|
|
718 u->resolved->naddrs = 1;
|
|
|
719 u->resolved->host = url.addrs[0].name;
|
|
434
|
720
|
|
|
721 } else {
|
|
464
|
722 u->resolved->host = url.host;
|
|
|
723 u->resolved->port = (in_port_t) (url.no_port ? port : url.port);
|
|
|
724 u->resolved->no_port = url.no_port;
|
|
434
|
725 }
|
|
348
|
726
|
|
|
727 return NGX_OK;
|
|
|
728 }
|
|
|
729
|
|
|
730
|
|
464
|
731 #if (NGX_HTTP_CACHE)
|
|
|
732
|
|
|
733 static ngx_int_t
|
|
|
734 ngx_http_proxy_create_key(ngx_http_request_t *r)
|
|
|
735 {
|
|
|
736 size_t len, loc_len;
|
|
|
737 u_char *p;
|
|
|
738 uintptr_t escape;
|
|
|
739 ngx_str_t *key;
|
|
|
740 ngx_http_upstream_t *u;
|
|
|
741 ngx_http_proxy_ctx_t *ctx;
|
|
|
742 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
743
|
|
|
744 u = r->upstream;
|
|
|
745
|
|
|
746 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
747
|
|
|
748 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
749
|
|
|
750 key = ngx_array_push(&r->cache->keys);
|
|
|
751 if (key == NULL) {
|
|
|
752 return NGX_ERROR;
|
|
|
753 }
|
|
|
754
|
|
472
|
755 if (plcf->cache_key.value.len) {
|
|
|
756
|
|
|
757 if (ngx_http_complex_value(r, &plcf->cache_key, key) != NGX_OK) {
|
|
|
758 return NGX_ERROR;
|
|
|
759 }
|
|
|
760
|
|
|
761 return NGX_OK;
|
|
|
762 }
|
|
|
763
|
|
464
|
764 *key = ctx->vars.key_start;
|
|
|
765
|
|
|
766 key = ngx_array_push(&r->cache->keys);
|
|
|
767 if (key == NULL) {
|
|
|
768 return NGX_ERROR;
|
|
|
769 }
|
|
|
770
|
|
|
771 if (plcf->proxy_lengths) {
|
|
|
772
|
|
|
773 *key = ctx->vars.uri;
|
|
|
774 u->uri = ctx->vars.uri;
|
|
|
775
|
|
|
776 return NGX_OK;
|
|
|
777
|
|
|
778 } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri && r == r->main)
|
|
|
779 {
|
|
|
780 *key = r->unparsed_uri;
|
|
|
781 u->uri = r->unparsed_uri;
|
|
|
782
|
|
|
783 return NGX_OK;
|
|
|
784 }
|
|
|
785
|
|
|
786 loc_len = (r->valid_location && ctx->vars.uri.len) ? plcf->location.len : 0;
|
|
|
787
|
|
|
788 if (r->quoted_uri || r->internal) {
|
|
|
789 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
|
|
|
790 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
791 } else {
|
|
|
792 escape = 0;
|
|
|
793 }
|
|
|
794
|
|
|
795 len = ctx->vars.uri.len + r->uri.len - loc_len + escape
|
|
|
796 + sizeof("?") - 1 + r->args.len;
|
|
|
797
|
|
|
798 p = ngx_pnalloc(r->pool, len);
|
|
|
799 if (p == NULL) {
|
|
|
800 return NGX_ERROR;
|
|
|
801 }
|
|
|
802
|
|
|
803 key->data = p;
|
|
|
804
|
|
|
805 if (r->valid_location) {
|
|
|
806 p = ngx_copy(p, ctx->vars.uri.data, ctx->vars.uri.len);
|
|
|
807 }
|
|
|
808
|
|
|
809 if (escape) {
|
|
|
810 ngx_escape_uri(p, r->uri.data + loc_len,
|
|
|
811 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
812 p += r->uri.len - loc_len + escape;
|
|
|
813
|
|
|
814 } else {
|
|
|
815 p = ngx_copy(p, r->uri.data + loc_len, r->uri.len - loc_len);
|
|
|
816 }
|
|
|
817
|
|
|
818 if (r->args.len > 0) {
|
|
|
819 *p++ = '?';
|
|
|
820 p = ngx_copy(p, r->args.data, r->args.len);
|
|
|
821 }
|
|
|
822
|
|
|
823 key->len = p - key->data;
|
|
|
824 u->uri = *key;
|
|
|
825
|
|
|
826 return NGX_OK;
|
|
|
827 }
|
|
|
828
|
|
|
829 #endif
|
|
|
830
|
|
|
831
|
|
348
|
832 static ngx_int_t
|
|
58
|
833 ngx_http_proxy_create_request(ngx_http_request_t *r)
|
|
|
834 {
|
|
464
|
835 size_t len, uri_len, loc_len, body_len;
|
|
58
|
836 uintptr_t escape;
|
|
|
837 ngx_buf_t *b;
|
|
198
|
838 ngx_str_t method;
|
|
|
839 ngx_uint_t i, unparsed_uri;
|
|
58
|
840 ngx_chain_t *cl, *body;
|
|
|
841 ngx_list_part_t *part;
|
|
|
842 ngx_table_elt_t *header;
|
|
|
843 ngx_http_upstream_t *u;
|
|
348
|
844 ngx_http_proxy_ctx_t *ctx;
|
|
58
|
845 ngx_http_script_code_pt code;
|
|
|
846 ngx_http_script_engine_t e, le;
|
|
|
847 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
848 ngx_http_script_len_code_pt lcode;
|
|
|
849
|
|
|
850 u = r->upstream;
|
|
|
851
|
|
|
852 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
853
|
|
110
|
854 if (u->method.len) {
|
|
|
855 /* HEAD was changed to GET to cache response */
|
|
|
856 method = u->method;
|
|
|
857 method.len++;
|
|
|
858
|
|
|
859 } else if (plcf->method.len) {
|
|
|
860 method = plcf->method;
|
|
|
861
|
|
58
|
862 } else {
|
|
110
|
863 method = r->method_name;
|
|
|
864 method.len++;
|
|
58
|
865 }
|
|
|
866
|
|
352
|
867 len = method.len + sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1;
|
|
|
868
|
|
58
|
869 escape = 0;
|
|
348
|
870 loc_len = 0;
|
|
|
871 unparsed_uri = 0;
|
|
|
872
|
|
|
873 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
874
|
|
|
875 if (plcf->proxy_lengths) {
|
|
464
|
876 uri_len = ctx->vars.uri.len;
|
|
348
|
877
|
|
|
878 } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri && r == r->main)
|
|
|
879 {
|
|
158
|
880 unparsed_uri = 1;
|
|
464
|
881 uri_len = r->unparsed_uri.len;
|
|
58
|
882
|
|
|
883 } else {
|
|
348
|
884 loc_len = (r->valid_location && ctx->vars.uri.len) ?
|
|
|
885 plcf->location.len : 0;
|
|
|
886
|
|
578
|
887 if (r->quoted_uri || r->space_in_uri || r->internal) {
|
|
58
|
888 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
|
|
|
889 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
890 }
|
|
|
891
|
|
464
|
892 uri_len = ctx->vars.uri.len + r->uri.len - loc_len + escape
|
|
|
893 + sizeof("?") - 1 + r->args.len;
|
|
58
|
894 }
|
|
|
895
|
|
464
|
896 if (uri_len == 0) {
|
|
|
897 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
898 "zero length URI to proxy");
|
|
|
899 return NGX_ERROR;
|
|
|
900 }
|
|
|
901
|
|
|
902 len += uri_len;
|
|
|
903
|
|
340
|
904 ngx_http_script_flush_no_cacheable_variables(r, plcf->flushes);
|
|
122
|
905
|
|
126
|
906 if (plcf->body_set_len) {
|
|
|
907 le.ip = plcf->body_set_len->elts;
|
|
|
908 le.request = r;
|
|
|
909 le.flushed = 1;
|
|
|
910 body_len = 0;
|
|
|
911
|
|
|
912 while (*(uintptr_t *) le.ip) {
|
|
|
913 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
914 body_len += lcode(&le);
|
|
|
915 }
|
|
|
916
|
|
348
|
917 ctx->internal_body_length = body_len;
|
|
126
|
918 len += body_len;
|
|
|
919 }
|
|
|
920
|
|
58
|
921 le.ip = plcf->headers_set_len->elts;
|
|
|
922 le.request = r;
|
|
122
|
923 le.flushed = 1;
|
|
58
|
924
|
|
|
925 while (*(uintptr_t *) le.ip) {
|
|
|
926 while (*(uintptr_t *) le.ip) {
|
|
|
927 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
928 len += lcode(&le);
|
|
|
929 }
|
|
|
930 le.ip += sizeof(uintptr_t);
|
|
|
931 }
|
|
|
932
|
|
|
933
|
|
|
934 if (plcf->upstream.pass_request_headers) {
|
|
|
935 part = &r->headers_in.headers.part;
|
|
|
936 header = part->elts;
|
|
|
937
|
|
|
938 for (i = 0; /* void */; i++) {
|
|
|
939
|
|
|
940 if (i >= part->nelts) {
|
|
|
941 if (part->next == NULL) {
|
|
|
942 break;
|
|
|
943 }
|
|
|
944
|
|
|
945 part = part->next;
|
|
|
946 header = part->elts;
|
|
126
|
947 i = 0;
|
|
58
|
948 }
|
|
|
949
|
|
198
|
950 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
951 header[i].lowcase_key, header[i].key.len))
|
|
58
|
952 {
|
|
|
953 continue;
|
|
|
954 }
|
|
|
955
|
|
|
956 len += header[i].key.len + sizeof(": ") - 1
|
|
|
957 + header[i].value.len + sizeof(CRLF) - 1;
|
|
|
958 }
|
|
|
959 }
|
|
|
960
|
|
|
961
|
|
|
962 b = ngx_create_temp_buf(r->pool, len);
|
|
|
963 if (b == NULL) {
|
|
|
964 return NGX_ERROR;
|
|
|
965 }
|
|
|
966
|
|
|
967 cl = ngx_alloc_chain_link(r->pool);
|
|
|
968 if (cl == NULL) {
|
|
|
969 return NGX_ERROR;
|
|
|
970 }
|
|
|
971
|
|
|
972 cl->buf = b;
|
|
|
973
|
|
|
974
|
|
|
975 /* the request line */
|
|
|
976
|
|
122
|
977 b->last = ngx_copy(b->last, method.data, method.len);
|
|
58
|
978
|
|
104
|
979 u->uri.data = b->last;
|
|
|
980
|
|
348
|
981 if (plcf->proxy_lengths) {
|
|
|
982 b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len);
|
|
|
983
|
|
|
984 } else if (unparsed_uri) {
|
|
122
|
985 b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len);
|
|
|
986
|
|
58
|
987 } else {
|
|
104
|
988 if (r->valid_location) {
|
|
348
|
989 b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len);
|
|
104
|
990 }
|
|
100
|
991
|
|
58
|
992 if (escape) {
|
|
|
993 ngx_escape_uri(b->last, r->uri.data + loc_len,
|
|
|
994 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
995 b->last += r->uri.len - loc_len + escape;
|
|
|
996
|
|
126
|
997 } else {
|
|
122
|
998 b->last = ngx_copy(b->last, r->uri.data + loc_len,
|
|
|
999 r->uri.len - loc_len);
|
|
58
|
1000 }
|
|
|
1001
|
|
|
1002 if (r->args.len > 0) {
|
|
|
1003 *b->last++ = '?';
|
|
122
|
1004 b->last = ngx_copy(b->last, r->args.data, r->args.len);
|
|
58
|
1005 }
|
|
|
1006 }
|
|
|
1007
|
|
104
|
1008 u->uri.len = b->last - u->uri.data;
|
|
|
1009
|
|
58
|
1010 b->last = ngx_cpymem(b->last, ngx_http_proxy_version,
|
|
|
1011 sizeof(ngx_http_proxy_version) - 1);
|
|
|
1012
|
|
126
|
1013 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
58
|
1014
|
|
|
1015 e.ip = plcf->headers_set->elts;
|
|
|
1016 e.pos = b->last;
|
|
|
1017 e.request = r;
|
|
122
|
1018 e.flushed = 1;
|
|
58
|
1019
|
|
|
1020 le.ip = plcf->headers_set_len->elts;
|
|
|
1021
|
|
|
1022 while (*(uintptr_t *) le.ip) {
|
|
|
1023 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
64
|
1024
|
|
|
1025 /* skip the header line name length */
|
|
|
1026 (void) lcode(&le);
|
|
58
|
1027
|
|
|
1028 if (*(ngx_http_script_len_code_pt *) le.ip) {
|
|
|
1029
|
|
|
1030 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) {
|
|
|
1031 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
1032 }
|
|
|
1033
|
|
|
1034 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0;
|
|
|
1035
|
|
|
1036 } else {
|
|
|
1037 e.skip = 0;
|
|
|
1038 }
|
|
|
1039
|
|
|
1040 le.ip += sizeof(uintptr_t);
|
|
|
1041
|
|
|
1042 while (*(uintptr_t *) e.ip) {
|
|
|
1043 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1044 code((ngx_http_script_engine_t *) &e);
|
|
126
|
1045 }
|
|
58
|
1046 e.ip += sizeof(uintptr_t);
|
|
|
1047 }
|
|
|
1048
|
|
|
1049 b->last = e.pos;
|
|
|
1050
|
|
|
1051
|
|
|
1052 if (plcf->upstream.pass_request_headers) {
|
|
|
1053 part = &r->headers_in.headers.part;
|
|
|
1054 header = part->elts;
|
|
126
|
1055
|
|
58
|
1056 for (i = 0; /* void */; i++) {
|
|
|
1057
|
|
|
1058 if (i >= part->nelts) {
|
|
|
1059 if (part->next == NULL) {
|
|
|
1060 break;
|
|
|
1061 }
|
|
|
1062
|
|
|
1063 part = part->next;
|
|
|
1064 header = part->elts;
|
|
126
|
1065 i = 0;
|
|
58
|
1066 }
|
|
|
1067
|
|
198
|
1068 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
1069 header[i].lowcase_key, header[i].key.len))
|
|
58
|
1070 {
|
|
|
1071 continue;
|
|
|
1072 }
|
|
|
1073
|
|
122
|
1074 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len);
|
|
58
|
1075
|
|
|
1076 *b->last++ = ':'; *b->last++ = ' ';
|
|
|
1077
|
|
122
|
1078 b->last = ngx_copy(b->last, header[i].value.data,
|
|
|
1079 header[i].value.len);
|
|
58
|
1080
|
|
|
1081 *b->last++ = CR; *b->last++ = LF;
|
|
|
1082
|
|
|
1083 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1084 "http proxy header: \"%V: %V\"",
|
|
|
1085 &header[i].key, &header[i].value);
|
|
|
1086 }
|
|
|
1087 }
|
|
|
1088
|
|
126
|
1089
|
|
58
|
1090 /* add "\r\n" at the header end */
|
|
|
1091 *b->last++ = CR; *b->last++ = LF;
|
|
|
1092
|
|
126
|
1093 if (plcf->body_set) {
|
|
|
1094 e.ip = plcf->body_set->elts;
|
|
|
1095 e.pos = b->last;
|
|
|
1096
|
|
|
1097 while (*(uintptr_t *) e.ip) {
|
|
|
1098 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1099 code((ngx_http_script_engine_t *) &e);
|
|
|
1100 }
|
|
128
|
1101
|
|
|
1102 b->last = e.pos;
|
|
126
|
1103 }
|
|
|
1104
|
|
358
|
1105 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1106 "http proxy header:\n\"%*s\"",
|
|
|
1107 (size_t) (b->last - b->pos), b->pos);
|
|
58
|
1108
|
|
126
|
1109 if (plcf->body_set == NULL && plcf->upstream.pass_request_body) {
|
|
58
|
1110
|
|
|
1111 body = u->request_bufs;
|
|
|
1112 u->request_bufs = cl;
|
|
|
1113
|
|
|
1114 while (body) {
|
|
|
1115 b = ngx_alloc_buf(r->pool);
|
|
|
1116 if (b == NULL) {
|
|
|
1117 return NGX_ERROR;
|
|
|
1118 }
|
|
|
1119
|
|
|
1120 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
1121
|
|
|
1122 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
1123 if (cl->next == NULL) {
|
|
|
1124 return NGX_ERROR;
|
|
|
1125 }
|
|
|
1126
|
|
|
1127 cl = cl->next;
|
|
|
1128 cl->buf = b;
|
|
|
1129
|
|
|
1130 body = body->next;
|
|
|
1131 }
|
|
|
1132
|
|
160
|
1133 b->flush = 1;
|
|
|
1134
|
|
58
|
1135 } else {
|
|
|
1136 u->request_bufs = cl;
|
|
|
1137 }
|
|
|
1138
|
|
|
1139 cl->next = NULL;
|
|
|
1140
|
|
|
1141 return NGX_OK;
|
|
|
1142 }
|
|
|
1143
|
|
|
1144
|
|
|
1145 static ngx_int_t
|
|
|
1146 ngx_http_proxy_reinit_request(ngx_http_request_t *r)
|
|
|
1147 {
|
|
348
|
1148 ngx_http_proxy_ctx_t *ctx;
|
|
|
1149
|
|
|
1150 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1151
|
|
|
1152 if (ctx == NULL) {
|
|
58
|
1153 return NGX_OK;
|
|
|
1154 }
|
|
|
1155
|
|
580
|
1156 ctx->status.code = 0;
|
|
|
1157 ctx->status.count = 0;
|
|
|
1158 ctx->status.start = NULL;
|
|
|
1159 ctx->status.end = NULL;
|
|
58
|
1160
|
|
|
1161 r->upstream->process_header = ngx_http_proxy_process_status_line;
|
|
566
|
1162 r->state = 0;
|
|
58
|
1163
|
|
|
1164 return NGX_OK;
|
|
|
1165 }
|
|
|
1166
|
|
|
1167
|
|
|
1168 static ngx_int_t
|
|
|
1169 ngx_http_proxy_process_status_line(ngx_http_request_t *r)
|
|
|
1170 {
|
|
580
|
1171 size_t len;
|
|
58
|
1172 ngx_int_t rc;
|
|
|
1173 ngx_http_upstream_t *u;
|
|
348
|
1174 ngx_http_proxy_ctx_t *ctx;
|
|
|
1175
|
|
|
1176 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1177
|
|
|
1178 if (ctx == NULL) {
|
|
356
|
1179 return NGX_ERROR;
|
|
58
|
1180 }
|
|
|
1181
|
|
580
|
1182 u = r->upstream;
|
|
|
1183
|
|
|
1184 rc = ngx_http_parse_status_line(r, &u->buffer, &ctx->status);
|
|
58
|
1185
|
|
|
1186 if (rc == NGX_AGAIN) {
|
|
|
1187 return rc;
|
|
|
1188 }
|
|
|
1189
|
|
580
|
1190 if (rc == NGX_ERROR) {
|
|
464
|
1191
|
|
|
1192 #if (NGX_HTTP_CACHE)
|
|
|
1193
|
|
|
1194 if (r->cache) {
|
|
|
1195 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
1196 return NGX_OK;
|
|
|
1197 }
|
|
|
1198
|
|
|
1199 #endif
|
|
|
1200
|
|
58
|
1201 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
126
|
1202 "upstream sent no valid HTTP/1.0 header");
|
|
58
|
1203
|
|
168
|
1204 #if 0
|
|
58
|
1205 if (u->accel) {
|
|
|
1206 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1207 }
|
|
168
|
1208 #endif
|
|
58
|
1209
|
|
|
1210 r->http_version = NGX_HTTP_VERSION_9;
|
|
346
|
1211 u->state->status = NGX_HTTP_OK;
|
|
126
|
1212
|
|
58
|
1213 return NGX_OK;
|
|
|
1214 }
|
|
|
1215
|
|
464
|
1216 if (u->state) {
|
|
580
|
1217 u->state->status = ctx->status.code;
|
|
464
|
1218 }
|
|
|
1219
|
|
580
|
1220 u->headers_in.status_n = ctx->status.code;
|
|
|
1221
|
|
|
1222 len = ctx->status.end - ctx->status.start;
|
|
|
1223 u->headers_in.status_line.len = len;
|
|
|
1224
|
|
|
1225 u->headers_in.status_line.data = ngx_pnalloc(r->pool, len);
|
|
78
|
1226 if (u->headers_in.status_line.data == NULL) {
|
|
356
|
1227 return NGX_ERROR;
|
|
58
|
1228 }
|
|
122
|
1229
|
|
580
|
1230 ngx_memcpy(u->headers_in.status_line.data, ctx->status.start, len);
|
|
58
|
1231
|
|
|
1232 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1233 "http proxy status %ui \"%V\"",
|
|
270
|
1234 u->headers_in.status_n, &u->headers_in.status_line);
|
|
58
|
1235
|
|
|
1236 u->process_header = ngx_http_proxy_process_header;
|
|
|
1237
|
|
|
1238 return ngx_http_proxy_process_header(r);
|
|
|
1239 }
|
|
|
1240
|
|
|
1241
|
|
|
1242 static ngx_int_t
|
|
|
1243 ngx_http_proxy_process_header(ngx_http_request_t *r)
|
|
|
1244 {
|
|
|
1245 ngx_int_t rc;
|
|
|
1246 ngx_table_elt_t *h;
|
|
|
1247 ngx_http_upstream_header_t *hh;
|
|
|
1248 ngx_http_upstream_main_conf_t *umcf;
|
|
|
1249
|
|
|
1250 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
1251
|
|
378
|
1252 for ( ;; ) {
|
|
58
|
1253
|
|
412
|
1254 rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1);
|
|
58
|
1255
|
|
|
1256 if (rc == NGX_OK) {
|
|
|
1257
|
|
|
1258 /* a header line has been parsed successfully */
|
|
|
1259
|
|
|
1260 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1261 if (h == NULL) {
|
|
356
|
1262 return NGX_ERROR;
|
|
58
|
1263 }
|
|
|
1264
|
|
|
1265 h->hash = r->header_hash;
|
|
|
1266
|
|
|
1267 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
1268 h->value.len = r->header_end - r->header_start;
|
|
|
1269
|
|
382
|
1270 h->key.data = ngx_pnalloc(r->pool,
|
|
198
|
1271 h->key.len + 1 + h->value.len + 1 + h->key.len);
|
|
58
|
1272 if (h->key.data == NULL) {
|
|
356
|
1273 return NGX_ERROR;
|
|
58
|
1274 }
|
|
|
1275
|
|
|
1276 h->value.data = h->key.data + h->key.len + 1;
|
|
198
|
1277 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1;
|
|
58
|
1278
|
|
|
1279 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
|
1280 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
|
1281
|
|
198
|
1282 if (h->key.len == r->lowcase_index) {
|
|
|
1283 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
1284
|
|
|
1285 } else {
|
|
392
|
1286 ngx_strlow(h->lowcase_key, h->key.data, h->key.len);
|
|
58
|
1287 }
|
|
|
1288
|
|
198
|
1289 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash,
|
|
|
1290 h->lowcase_key, h->key.len);
|
|
|
1291
|
|
|
1292 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
356
|
1293 return NGX_ERROR;
|
|
198
|
1294 }
|
|
|
1295
|
|
58
|
1296 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1297 "http proxy header: \"%V: %V\"",
|
|
|
1298 &h->key, &h->value);
|
|
|
1299
|
|
|
1300 continue;
|
|
|
1301 }
|
|
|
1302
|
|
|
1303 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
|
1304
|
|
|
1305 /* a whole header has been parsed successfully */
|
|
|
1306
|
|
|
1307 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1308 "http proxy header done");
|
|
|
1309
|
|
198
|
1310 /*
|
|
|
1311 * if no "Server" and "Date" in header line,
|
|
|
1312 * then add the special empty headers
|
|
|
1313 */
|
|
|
1314
|
|
|
1315 if (r->upstream->headers_in.server == NULL) {
|
|
|
1316 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1317 if (h == NULL) {
|
|
356
|
1318 return NGX_ERROR;
|
|
198
|
1319 }
|
|
|
1320
|
|
|
1321 h->hash = ngx_hash(ngx_hash(ngx_hash(ngx_hash(
|
|
|
1322 ngx_hash('s', 'e'), 'r'), 'v'), 'e'), 'r');
|
|
|
1323
|
|
570
|
1324 ngx_str_set(&h->key, "Server");
|
|
|
1325 ngx_str_null(&h->value);
|
|
198
|
1326 h->lowcase_key = (u_char *) "server";
|
|
|
1327 }
|
|
|
1328
|
|
|
1329 if (r->upstream->headers_in.date == NULL) {
|
|
|
1330 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1331 if (h == NULL) {
|
|
356
|
1332 return NGX_ERROR;
|
|
198
|
1333 }
|
|
|
1334
|
|
|
1335 h->hash = ngx_hash(ngx_hash(ngx_hash('d', 'a'), 't'), 'e');
|
|
|
1336
|
|
570
|
1337 ngx_str_set(&h->key, "Date");
|
|
|
1338 ngx_str_null(&h->value);
|
|
198
|
1339 h->lowcase_key = (u_char *) "date";
|
|
|
1340 }
|
|
|
1341
|
|
58
|
1342 return NGX_OK;
|
|
|
1343 }
|
|
|
1344
|
|
70
|
1345 if (rc == NGX_AGAIN) {
|
|
|
1346 return NGX_AGAIN;
|
|
|
1347 }
|
|
|
1348
|
|
58
|
1349 /* there was error while a header line parsing */
|
|
|
1350
|
|
|
1351 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
168
|
1352 "upstream sent invalid header");
|
|
58
|
1353
|
|
|
1354 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1355 }
|
|
|
1356 }
|
|
|
1357
|
|
|
1358
|
|
|
1359 static void
|
|
|
1360 ngx_http_proxy_abort_request(ngx_http_request_t *r)
|
|
|
1361 {
|
|
|
1362 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1363 "abort http proxy request");
|
|
126
|
1364
|
|
58
|
1365 return;
|
|
|
1366 }
|
|
|
1367
|
|
|
1368
|
|
|
1369 static void
|
|
|
1370 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
126
|
1371 {
|
|
58
|
1372 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1373 "finalize http proxy request");
|
|
|
1374
|
|
|
1375 return;
|
|
|
1376 }
|
|
|
1377
|
|
|
1378
|
|
122
|
1379 static ngx_int_t
|
|
|
1380 ngx_http_proxy_host_variable(ngx_http_request_t *r,
|
|
|
1381 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1382 {
|
|
348
|
1383 ngx_http_proxy_ctx_t *ctx;
|
|
|
1384
|
|
|
1385 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1386
|
|
|
1387 if (ctx == NULL) {
|
|
|
1388 v->not_found = 1;
|
|
|
1389 return NGX_OK;
|
|
|
1390 }
|
|
|
1391
|
|
|
1392 v->len = ctx->vars.host_header.len;
|
|
126
|
1393 v->valid = 1;
|
|
340
|
1394 v->no_cacheable = 0;
|
|
122
|
1395 v->not_found = 0;
|
|
348
|
1396 v->data = ctx->vars.host_header.data;
|
|
58
|
1397
|
|
122
|
1398 return NGX_OK;
|
|
58
|
1399 }
|
|
|
1400
|
|
|
1401
|
|
122
|
1402 static ngx_int_t
|
|
|
1403 ngx_http_proxy_port_variable(ngx_http_request_t *r,
|
|
|
1404 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1405 {
|
|
348
|
1406 ngx_http_proxy_ctx_t *ctx;
|
|
|
1407
|
|
|
1408 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1409
|
|
|
1410 if (ctx == NULL) {
|
|
|
1411 v->not_found = 1;
|
|
|
1412 return NGX_OK;
|
|
|
1413 }
|
|
|
1414
|
|
|
1415 v->len = ctx->vars.port.len;
|
|
126
|
1416 v->valid = 1;
|
|
340
|
1417 v->no_cacheable = 0;
|
|
122
|
1418 v->not_found = 0;
|
|
348
|
1419 v->data = ctx->vars.port.data;
|
|
58
|
1420
|
|
122
|
1421 return NGX_OK;
|
|
58
|
1422 }
|
|
|
1423
|
|
|
1424
|
|
122
|
1425 static ngx_int_t
|
|
58
|
1426 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
|
|
122
|
1427 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1428 {
|
|
122
|
1429 u_char *p;
|
|
58
|
1430
|
|
126
|
1431 v->valid = 1;
|
|
340
|
1432 v->no_cacheable = 0;
|
|
122
|
1433 v->not_found = 0;
|
|
58
|
1434
|
|
|
1435 if (r->headers_in.x_forwarded_for == NULL) {
|
|
122
|
1436 v->len = r->connection->addr_text.len;
|
|
|
1437 v->data = r->connection->addr_text.data;
|
|
|
1438 return NGX_OK;
|
|
58
|
1439 }
|
|
|
1440
|
|
122
|
1441 v->len = r->headers_in.x_forwarded_for->value.len
|
|
|
1442 + sizeof(", ") - 1 + r->connection->addr_text.len;
|
|
58
|
1443
|
|
382
|
1444 p = ngx_pnalloc(r->pool, v->len);
|
|
58
|
1445 if (p == NULL) {
|
|
122
|
1446 return NGX_ERROR;
|
|
58
|
1447 }
|
|
|
1448
|
|
122
|
1449 v->data = p;
|
|
58
|
1450
|
|
122
|
1451 p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data,
|
|
|
1452 r->headers_in.x_forwarded_for->value.len);
|
|
58
|
1453
|
|
|
1454 *p++ = ','; *p++ = ' ';
|
|
|
1455
|
|
|
1456 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len);
|
|
|
1457
|
|
122
|
1458 return NGX_OK;
|
|
58
|
1459 }
|
|
|
1460
|
|
|
1461
|
|
|
1462 static ngx_int_t
|
|
126
|
1463 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
|
|
|
1464 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1465 {
|
|
348
|
1466 ngx_http_proxy_ctx_t *ctx;
|
|
|
1467
|
|
|
1468 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1469
|
|
|
1470 if (ctx == NULL) {
|
|
126
|
1471 v->not_found = 1;
|
|
|
1472 return NGX_OK;
|
|
|
1473 }
|
|
|
1474
|
|
|
1475 v->valid = 1;
|
|
340
|
1476 v->no_cacheable = 0;
|
|
126
|
1477 v->not_found = 0;
|
|
|
1478
|
|
382
|
1479 v->data = ngx_pnalloc(r->connection->pool, NGX_SIZE_T_LEN);
|
|
126
|
1480
|
|
|
1481 if (v->data == NULL) {
|
|
|
1482 return NGX_ERROR;
|
|
|
1483 }
|
|
|
1484
|
|
348
|
1485 v->len = ngx_sprintf(v->data, "%uz", ctx->internal_body_length) - v->data;
|
|
126
|
1486
|
|
|
1487 return NGX_OK;
|
|
|
1488 }
|
|
|
1489
|
|
|
1490
|
|
|
1491 static ngx_int_t
|
|
58
|
1492 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1493 size_t prefix)
|
|
|
1494 {
|
|
|
1495 ngx_int_t rc;
|
|
|
1496 ngx_uint_t i;
|
|
|
1497 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1498 ngx_http_proxy_redirect_t *pr;
|
|
|
1499
|
|
|
1500 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1501
|
|
|
1502 pr = plcf->redirects->elts;
|
|
|
1503
|
|
|
1504 if (pr == NULL) {
|
|
|
1505 return NGX_DECLINED;
|
|
|
1506 }
|
|
|
1507
|
|
|
1508 for (i = 0; i < plcf->redirects->nelts; i++) {
|
|
154
|
1509 rc = pr[i].handler(r, h, prefix, &pr[i]);
|
|
58
|
1510
|
|
|
1511 if (rc != NGX_DECLINED) {
|
|
|
1512 return rc;
|
|
|
1513 }
|
|
|
1514 }
|
|
|
1515
|
|
|
1516 return NGX_DECLINED;
|
|
|
1517 }
|
|
|
1518
|
|
|
1519
|
|
|
1520 static ngx_int_t
|
|
|
1521 ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1522 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1523 {
|
|
|
1524 size_t len;
|
|
|
1525 u_char *data, *p;
|
|
|
1526
|
|
|
1527 if (pr->redirect.len > h->value.len - prefix
|
|
|
1528 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1529 pr->redirect.len) != 0)
|
|
|
1530 {
|
|
|
1531 return NGX_DECLINED;
|
|
|
1532 }
|
|
|
1533
|
|
578
|
1534 len = pr->replacement.text.len + h->value.len - pr->redirect.len;
|
|
58
|
1535
|
|
382
|
1536 data = ngx_pnalloc(r->pool, len);
|
|
58
|
1537 if (data == NULL) {
|
|
|
1538 return NGX_ERROR;
|
|
|
1539 }
|
|
|
1540
|
|
578
|
1541 p = ngx_copy(data, h->value.data, prefix);
|
|
58
|
1542
|
|
202
|
1543 if (pr->replacement.text.len) {
|
|
|
1544 p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len);
|
|
|
1545 }
|
|
58
|
1546
|
|
|
1547 ngx_memcpy(p, h->value.data + prefix + pr->redirect.len,
|
|
|
1548 h->value.len - pr->redirect.len - prefix);
|
|
|
1549
|
|
|
1550 h->value.len = len;
|
|
|
1551 h->value.data = data;
|
|
|
1552
|
|
|
1553 return NGX_OK;
|
|
|
1554 }
|
|
|
1555
|
|
|
1556
|
|
|
1557 static ngx_int_t
|
|
|
1558 ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1559 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1560 {
|
|
|
1561 size_t len;
|
|
|
1562 u_char *data, *p;
|
|
|
1563 ngx_http_script_code_pt code;
|
|
|
1564 ngx_http_script_engine_t e;
|
|
|
1565 ngx_http_script_len_code_pt lcode;
|
|
|
1566
|
|
|
1567 if (pr->redirect.len > h->value.len - prefix
|
|
|
1568 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1569 pr->redirect.len) != 0)
|
|
|
1570 {
|
|
|
1571 return NGX_DECLINED;
|
|
|
1572 }
|
|
|
1573
|
|
|
1574 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
1575
|
|
|
1576 e.ip = pr->replacement.vars.lengths;
|
|
|
1577 e.request = r;
|
|
|
1578
|
|
578
|
1579 len = h->value.len - pr->redirect.len;
|
|
238
|
1580
|
|
|
1581 while (*(uintptr_t *) e.ip) {
|
|
58
|
1582 lcode = *(ngx_http_script_len_code_pt *) e.ip;
|
|
238
|
1583 len += lcode(&e);
|
|
58
|
1584 }
|
|
|
1585
|
|
382
|
1586 data = ngx_pnalloc(r->pool, len);
|
|
58
|
1587 if (data == NULL) {
|
|
|
1588 return NGX_ERROR;
|
|
|
1589 }
|
|
|
1590
|
|
578
|
1591 p = ngx_copy(data, h->value.data, prefix);
|
|
58
|
1592
|
|
|
1593 e.ip = pr->replacement.vars.values;
|
|
|
1594 e.pos = p;
|
|
|
1595
|
|
|
1596 while (*(uintptr_t *) e.ip) {
|
|
|
1597 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1598 code(&e);
|
|
|
1599 }
|
|
|
1600
|
|
238
|
1601 ngx_memcpy(e.pos, h->value.data + prefix + pr->redirect.len,
|
|
|
1602 h->value.len - pr->redirect.len - prefix);
|
|
|
1603
|
|
58
|
1604 h->value.len = len;
|
|
|
1605 h->value.data = data;
|
|
|
1606
|
|
|
1607 return NGX_OK;
|
|
|
1608 }
|
|
|
1609
|
|
|
1610
|
|
|
1611 static ngx_int_t
|
|
|
1612 ngx_http_proxy_add_variables(ngx_conf_t *cf)
|
|
|
1613 {
|
|
|
1614 ngx_http_variable_t *var, *v;
|
|
|
1615
|
|
|
1616 for (v = ngx_http_proxy_vars; v->name.len; v++) {
|
|
|
1617 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
1618 if (var == NULL) {
|
|
|
1619 return NGX_ERROR;
|
|
|
1620 }
|
|
|
1621
|
|
186
|
1622 var->get_handler = v->get_handler;
|
|
58
|
1623 var->data = v->data;
|
|
|
1624 }
|
|
|
1625
|
|
|
1626 return NGX_OK;
|
|
|
1627 }
|
|
|
1628
|
|
|
1629
|
|
|
1630 static void *
|
|
|
1631 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
|
|
|
1632 {
|
|
|
1633 ngx_http_proxy_loc_conf_t *conf;
|
|
|
1634
|
|
|
1635 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t));
|
|
|
1636 if (conf == NULL) {
|
|
496
|
1637 return NULL;
|
|
58
|
1638 }
|
|
|
1639
|
|
|
1640 /*
|
|
|
1641 * set by ngx_pcalloc():
|
|
|
1642 *
|
|
|
1643 * conf->upstream.bufs.num = 0;
|
|
484
|
1644 * conf->upstream.ignore_headers = 0;
|
|
58
|
1645 * conf->upstream.next_upstream = 0;
|
|
494
|
1646 * conf->upstream.cache_use_stale = 0;
|
|
|
1647 * conf->upstream.cache_methods = 0;
|
|
58
|
1648 * conf->upstream.temp_path = NULL;
|
|
198
|
1649 * conf->upstream.hide_headers_hash = { NULL, 0 };
|
|
58
|
1650 * conf->upstream.uri = { 0, NULL };
|
|
|
1651 * conf->upstream.location = NULL;
|
|
320
|
1652 * conf->upstream.store_lengths = NULL;
|
|
|
1653 * conf->upstream.store_values = NULL;
|
|
58
|
1654 *
|
|
110
|
1655 * conf->method = NULL;
|
|
58
|
1656 * conf->headers_source = NULL;
|
|
|
1657 * conf->headers_set_len = NULL;
|
|
|
1658 * conf->headers_set = NULL;
|
|
|
1659 * conf->headers_set_hash = NULL;
|
|
126
|
1660 * conf->body_set_len = NULL;
|
|
|
1661 * conf->body_set = NULL;
|
|
|
1662 * conf->body_source = { 0, NULL };
|
|
566
|
1663 * conf->redirects = NULL;
|
|
58
|
1664 */
|
|
126
|
1665
|
|
320
|
1666 conf->upstream.store = NGX_CONF_UNSET;
|
|
|
1667 conf->upstream.store_access = NGX_CONF_UNSET_UINT;
|
|
130
|
1668 conf->upstream.buffering = NGX_CONF_UNSET;
|
|
178
|
1669 conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
|
|
130
|
1670
|
|
58
|
1671 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1672 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1673 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1674
|
|
|
1675 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
130
|
1676 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
78
|
1677
|
|
|
1678 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
126
|
1679 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
78
|
1680 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
58
|
1681
|
|
|
1682 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
|
1683 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
110
|
1684
|
|
464
|
1685 #if (NGX_HTTP_CACHE)
|
|
|
1686 conf->upstream.cache = NGX_CONF_UNSET_PTR;
|
|
|
1687 conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT;
|
|
588
|
1688 conf->upstream.cache_bypass = NGX_CONF_UNSET_PTR;
|
|
572
|
1689 conf->upstream.no_cache = NGX_CONF_UNSET_PTR;
|
|
464
|
1690 conf->upstream.cache_valid = NGX_CONF_UNSET_PTR;
|
|
|
1691 #endif
|
|
|
1692
|
|
356
|
1693 conf->upstream.hide_headers = NGX_CONF_UNSET_PTR;
|
|
|
1694 conf->upstream.pass_headers = NGX_CONF_UNSET_PTR;
|
|
|
1695
|
|
206
|
1696 conf->upstream.intercept_errors = NGX_CONF_UNSET;
|
|
398
|
1697 #if (NGX_HTTP_SSL)
|
|
|
1698 conf->upstream.ssl_session_reuse = NGX_CONF_UNSET;
|
|
|
1699 #endif
|
|
58
|
1700
|
|
|
1701 /* "proxy_cyclic_temp_file" is disabled */
|
|
|
1702 conf->upstream.cyclic_temp_file = 0;
|
|
|
1703
|
|
|
1704 conf->redirect = NGX_CONF_UNSET;
|
|
198
|
1705 conf->upstream.change_buffering = 1;
|
|
58
|
1706
|
|
298
|
1707 conf->headers_hash_max_size = NGX_CONF_UNSET_UINT;
|
|
|
1708 conf->headers_hash_bucket_size = NGX_CONF_UNSET_UINT;
|
|
|
1709
|
|
58
|
1710 return conf;
|
|
|
1711 }
|
|
|
1712
|
|
|
1713
|
|
|
1714 static char *
|
|
|
1715 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1716 {
|
|
|
1717 ngx_http_proxy_loc_conf_t *prev = parent;
|
|
|
1718 ngx_http_proxy_loc_conf_t *conf = child;
|
|
|
1719
|
|
464
|
1720 size_t size;
|
|
|
1721 ngx_keyval_t *s;
|
|
|
1722 ngx_hash_init_t hash;
|
|
|
1723 ngx_http_proxy_redirect_t *pr;
|
|
|
1724 ngx_http_script_compile_t sc;
|
|
58
|
1725
|
|
320
|
1726 if (conf->upstream.store != 0) {
|
|
|
1727 ngx_conf_merge_value(conf->upstream.store,
|
|
496
|
1728 prev->upstream.store, 0);
|
|
320
|
1729
|
|
|
1730 if (conf->upstream.store_lengths == NULL) {
|
|
|
1731 conf->upstream.store_lengths = prev->upstream.store_lengths;
|
|
|
1732 conf->upstream.store_values = prev->upstream.store_values;
|
|
|
1733 }
|
|
|
1734 }
|
|
|
1735
|
|
|
1736 ngx_conf_merge_uint_value(conf->upstream.store_access,
|
|
|
1737 prev->upstream.store_access, 0600);
|
|
318
|
1738
|
|
130
|
1739 ngx_conf_merge_value(conf->upstream.buffering,
|
|
|
1740 prev->upstream.buffering, 1);
|
|
|
1741
|
|
178
|
1742 ngx_conf_merge_value(conf->upstream.ignore_client_abort,
|
|
|
1743 prev->upstream.ignore_client_abort, 0);
|
|
|
1744
|
|
58
|
1745 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
1746 prev->upstream.connect_timeout, 60000);
|
|
|
1747
|
|
|
1748 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
1749 prev->upstream.send_timeout, 60000);
|
|
|
1750
|
|
|
1751 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
1752 prev->upstream.read_timeout, 60000);
|
|
|
1753
|
|
|
1754 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
|
1755 prev->upstream.send_lowat, 0);
|
|
|
1756
|
|
130
|
1757 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
|
1758 prev->upstream.buffer_size,
|
|
58
|
1759 (size_t) ngx_pagesize);
|
|
|
1760
|
|
|
1761 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
|
1762 8, ngx_pagesize);
|
|
|
1763
|
|
|
1764 if (conf->upstream.bufs.num < 2) {
|
|
126
|
1765 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
58
|
1766 "there must be at least 2 \"proxy_buffers\"");
|
|
|
1767 return NGX_CONF_ERROR;
|
|
|
1768 }
|
|
126
|
1769
|
|
58
|
1770
|
|
130
|
1771 size = conf->upstream.buffer_size;
|
|
126
|
1772 if (size < conf->upstream.bufs.size) {
|
|
58
|
1773 size = conf->upstream.bufs.size;
|
|
|
1774 }
|
|
|
1775
|
|
|
1776
|
|
78
|
1777 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
|
1778 prev->upstream.busy_buffers_size_conf,
|
|
58
|
1779 NGX_CONF_UNSET_SIZE);
|
|
|
1780
|
|
78
|
1781 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1782 conf->upstream.busy_buffers_size = 2 * size;
|
|
78
|
1783 } else {
|
|
|
1784 conf->upstream.busy_buffers_size =
|
|
|
1785 conf->upstream.busy_buffers_size_conf;
|
|
|
1786 }
|
|
126
|
1787
|
|
78
|
1788 if (conf->upstream.busy_buffers_size < size) {
|
|
58
|
1789 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1790 "\"proxy_busy_buffers_size\" must be equal or bigger than "
|
|
288
|
1791 "maximum of the value of \"proxy_buffer_size\" and "
|
|
58
|
1792 "one of the \"proxy_buffers\"");
|
|
|
1793
|
|
|
1794 return NGX_CONF_ERROR;
|
|
78
|
1795 }
|
|
58
|
1796
|
|
78
|
1797 if (conf->upstream.busy_buffers_size
|
|
|
1798 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
58
|
1799 {
|
|
|
1800 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1801 "\"proxy_busy_buffers_size\" must be less than "
|
|
|
1802 "the size of all \"proxy_buffers\" minus one buffer");
|
|
|
1803
|
|
|
1804 return NGX_CONF_ERROR;
|
|
|
1805 }
|
|
78
|
1806
|
|
58
|
1807
|
|
78
|
1808 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
|
1809 prev->upstream.temp_file_write_size_conf,
|
|
58
|
1810 NGX_CONF_UNSET_SIZE);
|
|
|
1811
|
|
78
|
1812 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1813 conf->upstream.temp_file_write_size = 2 * size;
|
|
78
|
1814 } else {
|
|
|
1815 conf->upstream.temp_file_write_size =
|
|
|
1816 conf->upstream.temp_file_write_size_conf;
|
|
|
1817 }
|
|
126
|
1818
|
|
78
|
1819 if (conf->upstream.temp_file_write_size < size) {
|
|
58
|
1820 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1821 "\"proxy_temp_file_write_size\" must be equal or bigger than "
|
|
288
|
1822 "maximum of the value of \"proxy_buffer_size\" and "
|
|
58
|
1823 "one of the \"proxy_buffers\"");
|
|
|
1824
|
|
|
1825 return NGX_CONF_ERROR;
|
|
|
1826 }
|
|
|
1827
|
|
78
|
1828 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
|
1829 prev->upstream.max_temp_file_size_conf,
|
|
58
|
1830 NGX_CONF_UNSET_SIZE);
|
|
|
1831
|
|
78
|
1832 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1833 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
78
|
1834 } else {
|
|
|
1835 conf->upstream.max_temp_file_size =
|
|
|
1836 conf->upstream.max_temp_file_size_conf;
|
|
|
1837 }
|
|
58
|
1838
|
|
78
|
1839 if (conf->upstream.max_temp_file_size != 0
|
|
|
1840 && conf->upstream.max_temp_file_size < size)
|
|
58
|
1841 {
|
|
|
1842 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
110
|
1843 "\"proxy_max_temp_file_size\" must be equal to zero to disable "
|
|
58
|
1844 "the temporary files usage or must be equal or bigger than "
|
|
288
|
1845 "maximum of the value of \"proxy_buffer_size\" and "
|
|
110
|
1846 "one of the \"proxy_buffers\"");
|
|
58
|
1847
|
|
|
1848 return NGX_CONF_ERROR;
|
|
|
1849 }
|
|
|
1850
|
|
78
|
1851
|
|
484
|
1852 ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers,
|
|
|
1853 prev->upstream.ignore_headers,
|
|
|
1854 NGX_CONF_BITMASK_SET);
|
|
|
1855
|
|
|
1856
|
|
58
|
1857 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
1858 prev->upstream.next_upstream,
|
|
|
1859 (NGX_CONF_BITMASK_SET
|
|
|
1860 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
1861 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
1862
|
|
214
|
1863 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
1864 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
|
|
|
1865 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
1866 }
|
|
|
1867
|
|
464
|
1868 if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path,
|
|
58
|
1869 prev->upstream.temp_path,
|
|
464
|
1870 &ngx_http_proxy_temp_path)
|
|
|
1871 != NGX_OK)
|
|
|
1872 {
|
|
|
1873 return NGX_CONF_ERROR;
|
|
|
1874 }
|
|
|
1875
|
|
|
1876
|
|
|
1877 #if (NGX_HTTP_CACHE)
|
|
|
1878
|
|
|
1879 ngx_conf_merge_ptr_value(conf->upstream.cache,
|
|
|
1880 prev->upstream.cache, NULL);
|
|
|
1881
|
|
|
1882 if (conf->upstream.cache && conf->upstream.cache->data == NULL) {
|
|
|
1883 ngx_shm_zone_t *shm_zone;
|
|
|
1884
|
|
|
1885 shm_zone = conf->upstream.cache;
|
|
|
1886
|
|
|
1887 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1888 "\"proxy_cache\" zone \"%V\" is unknown",
|
|
480
|
1889 &shm_zone->shm.name);
|
|
464
|
1890
|
|
|
1891 return NGX_CONF_ERROR;
|
|
|
1892 }
|
|
|
1893
|
|
|
1894 ngx_conf_merge_uint_value(conf->upstream.cache_min_uses,
|
|
|
1895 prev->upstream.cache_min_uses, 1);
|
|
|
1896
|
|
|
1897 ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale,
|
|
|
1898 prev->upstream.cache_use_stale,
|
|
|
1899 (NGX_CONF_BITMASK_SET
|
|
|
1900 |NGX_HTTP_UPSTREAM_FT_OFF));
|
|
|
1901
|
|
494
|
1902 if (conf->upstream.cache_methods == 0) {
|
|
|
1903 conf->upstream.cache_methods = prev->upstream.cache_methods;
|
|
|
1904 }
|
|
|
1905
|
|
|
1906 conf->upstream.cache_methods |= NGX_HTTP_GET|NGX_HTTP_HEAD;
|
|
|
1907
|
|
464
|
1908 if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
1909 conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET
|
|
|
1910 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
1911 }
|
|
|
1912
|
|
588
|
1913 ngx_conf_merge_ptr_value(conf->upstream.cache_bypass,
|
|
|
1914 prev->upstream.cache_bypass, NULL);
|
|
|
1915
|
|
572
|
1916 ngx_conf_merge_ptr_value(conf->upstream.no_cache,
|
|
|
1917 prev->upstream.no_cache, NULL);
|
|
|
1918
|
|
588
|
1919 if (conf->upstream.no_cache && conf->upstream.cache_bypass == NULL) {
|
|
|
1920 ngx_log_error(NGX_LOG_WARN, cf->log, 0,
|
|
|
1921 "\"proxy_no_cache\" functionality has been changed in 0.8.46, "
|
|
|
1922 "now it should be used together with \"proxy_cache_bypass\"");
|
|
|
1923 }
|
|
|
1924
|
|
464
|
1925 ngx_conf_merge_ptr_value(conf->upstream.cache_valid,
|
|
|
1926 prev->upstream.cache_valid, NULL);
|
|
|
1927
|
|
472
|
1928 if (conf->cache_key.value.data == NULL) {
|
|
|
1929 conf->cache_key = prev->cache_key;
|
|
|
1930 }
|
|
|
1931
|
|
464
|
1932 #endif
|
|
58
|
1933
|
|
110
|
1934 if (conf->method.len == 0) {
|
|
|
1935 conf->method = prev->method;
|
|
|
1936
|
|
|
1937 } else {
|
|
|
1938 conf->method.data[conf->method.len] = ' ';
|
|
|
1939 conf->method.len++;
|
|
58
|
1940 }
|
|
|
1941
|
|
|
1942 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
|
1943 prev->upstream.pass_request_headers, 1);
|
|
|
1944 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
|
1945 prev->upstream.pass_request_body, 1);
|
|
|
1946
|
|
206
|
1947 ngx_conf_merge_value(conf->upstream.intercept_errors,
|
|
|
1948 prev->upstream.intercept_errors, 0);
|
|
58
|
1949
|
|
398
|
1950 #if (NGX_HTTP_SSL)
|
|
|
1951 ngx_conf_merge_value(conf->upstream.ssl_session_reuse,
|
|
|
1952 prev->upstream.ssl_session_reuse, 1);
|
|
|
1953 #endif
|
|
|
1954
|
|
58
|
1955 ngx_conf_merge_value(conf->redirect, prev->redirect, 1);
|
|
|
1956
|
|
|
1957 if (conf->redirect) {
|
|
|
1958
|
|
|
1959 if (conf->redirects == NULL) {
|
|
|
1960 conf->redirects = prev->redirects;
|
|
|
1961 }
|
|
|
1962
|
|
348
|
1963 if (conf->redirects == NULL && conf->url.data) {
|
|
58
|
1964
|
|
|
1965 conf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
1966 sizeof(ngx_http_proxy_redirect_t));
|
|
|
1967 if (conf->redirects == NULL) {
|
|
|
1968 return NGX_CONF_ERROR;
|
|
|
1969 }
|
|
|
1970
|
|
|
1971 pr = ngx_array_push(conf->redirects);
|
|
|
1972 if (pr == NULL) {
|
|
|
1973 return NGX_CONF_ERROR;
|
|
|
1974 }
|
|
|
1975
|
|
|
1976 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
348
|
1977 pr->redirect = conf->url;
|
|
|
1978
|
|
|
1979 if (conf->vars.uri.len) {
|
|
|
1980 pr->replacement.text = conf->location;
|
|
202
|
1981
|
|
|
1982 } else {
|
|
570
|
1983 ngx_str_null(&pr->replacement.text);
|
|
202
|
1984 }
|
|
58
|
1985 }
|
|
|
1986 }
|
|
|
1987
|
|
348
|
1988 /* STUB */
|
|
|
1989 if (prev->proxy_lengths) {
|
|
|
1990 conf->proxy_lengths = prev->proxy_lengths;
|
|
|
1991 conf->proxy_values = prev->proxy_values;
|
|
|
1992 }
|
|
|
1993
|
|
482
|
1994 #if (NGX_HTTP_SSL)
|
|
|
1995 if (conf->upstream.ssl == NULL) {
|
|
|
1996 conf->upstream.ssl = prev->upstream.ssl;
|
|
|
1997 }
|
|
|
1998 #endif
|
|
|
1999
|
|
298
|
2000 ngx_conf_merge_uint_value(conf->headers_hash_max_size,
|
|
|
2001 prev->headers_hash_max_size, 512);
|
|
|
2002
|
|
|
2003 ngx_conf_merge_uint_value(conf->headers_hash_bucket_size,
|
|
|
2004 prev->headers_hash_bucket_size, 64);
|
|
|
2005
|
|
|
2006 conf->headers_hash_bucket_size = ngx_align(conf->headers_hash_bucket_size,
|
|
|
2007 ngx_cacheline_size);
|
|
|
2008
|
|
356
|
2009 hash.max_size = conf->headers_hash_max_size;
|
|
|
2010 hash.bucket_size = conf->headers_hash_bucket_size;
|
|
|
2011 hash.name = "proxy_headers_hash";
|
|
|
2012
|
|
|
2013 if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream,
|
|
584
|
2014 &prev->upstream, ngx_http_proxy_hide_headers, &hash)
|
|
198
|
2015 != NGX_OK)
|
|
|
2016 {
|
|
|
2017 return NGX_CONF_ERROR;
|
|
|
2018 }
|
|
|
2019
|
|
260
|
2020 if (conf->upstream.upstream == NULL) {
|
|
|
2021 conf->upstream.upstream = prev->upstream.upstream;
|
|
348
|
2022 conf->vars = prev->vars;
|
|
58
|
2023 }
|
|
|
2024
|
|
126
|
2025
|
|
|
2026 if (conf->body_source.data == NULL) {
|
|
|
2027 conf->body_source = prev->body_source;
|
|
|
2028 conf->body_set_len = prev->body_set_len;
|
|
|
2029 conf->body_set = prev->body_set;
|
|
|
2030 }
|
|
|
2031
|
|
128
|
2032 if (conf->body_source.data && conf->body_set_len == NULL) {
|
|
126
|
2033
|
|
|
2034 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2035
|
|
|
2036 sc.cf = cf;
|
|
|
2037 sc.source = &conf->body_source;
|
|
|
2038 sc.flushes = &conf->flushes;
|
|
|
2039 sc.lengths = &conf->body_set_len;
|
|
|
2040 sc.values = &conf->body_set;
|
|
|
2041 sc.complete_lengths = 1;
|
|
|
2042 sc.complete_values = 1;
|
|
|
2043
|
|
|
2044 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2045 return NGX_CONF_ERROR;
|
|
|
2046 }
|
|
|
2047
|
|
|
2048 if (conf->headers_source == NULL) {
|
|
|
2049 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
2050 sizeof(ngx_keyval_t));
|
|
126
|
2051 if (conf->headers_source == NULL) {
|
|
|
2052 return NGX_CONF_ERROR;
|
|
|
2053 }
|
|
|
2054 }
|
|
|
2055
|
|
|
2056 s = ngx_array_push(conf->headers_source);
|
|
|
2057 if (s == NULL) {
|
|
|
2058 return NGX_CONF_ERROR;
|
|
|
2059 }
|
|
|
2060
|
|
570
|
2061 ngx_str_set(&s->key, "Content-Length");
|
|
|
2062 ngx_str_set(&s->value, "$proxy_internal_body_length");
|
|
126
|
2063 }
|
|
|
2064
|
|
464
|
2065 if (ngx_http_proxy_merge_headers(cf, conf, prev) != NGX_OK) {
|
|
|
2066 return NGX_CONF_ERROR;
|
|
|
2067 }
|
|
|
2068
|
|
|
2069 return NGX_CONF_OK;
|
|
|
2070 }
|
|
|
2071
|
|
|
2072
|
|
|
2073 static ngx_int_t
|
|
|
2074 ngx_http_proxy_merge_headers(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *conf,
|
|
|
2075 ngx_http_proxy_loc_conf_t *prev)
|
|
|
2076 {
|
|
|
2077 u_char *p;
|
|
|
2078 size_t size;
|
|
|
2079 uintptr_t *code;
|
|
|
2080 ngx_uint_t i;
|
|
576
|
2081 ngx_array_t headers_names;
|
|
464
|
2082 ngx_keyval_t *src, *s, *h;
|
|
|
2083 ngx_hash_key_t *hk;
|
|
|
2084 ngx_hash_init_t hash;
|
|
|
2085 ngx_http_script_compile_t sc;
|
|
|
2086 ngx_http_script_copy_code_t *copy;
|
|
126
|
2087
|
|
58
|
2088 if (conf->headers_source == NULL) {
|
|
122
|
2089 conf->flushes = prev->flushes;
|
|
58
|
2090 conf->headers_set_len = prev->headers_set_len;
|
|
|
2091 conf->headers_set = prev->headers_set;
|
|
|
2092 conf->headers_set_hash = prev->headers_set_hash;
|
|
122
|
2093 conf->headers_source = prev->headers_source;
|
|
58
|
2094 }
|
|
|
2095
|
|
498
|
2096 if (conf->headers_set_hash.buckets
|
|
502
|
2097 #if (NGX_HTTP_CACHE)
|
|
|
2098 && ((conf->upstream.cache == NULL) == (prev->upstream.cache == NULL))
|
|
|
2099 #endif
|
|
|
2100 )
|
|
498
|
2101 {
|
|
464
|
2102 return NGX_OK;
|
|
58
|
2103 }
|
|
|
2104
|
|
|
2105
|
|
576
|
2106 if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t))
|
|
|
2107 != NGX_OK)
|
|
|
2108 {
|
|
464
|
2109 return NGX_ERROR;
|
|
58
|
2110 }
|
|
|
2111
|
|
|
2112 if (conf->headers_source == NULL) {
|
|
|
2113 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
2114 sizeof(ngx_keyval_t));
|
|
58
|
2115 if (conf->headers_source == NULL) {
|
|
464
|
2116 return NGX_ERROR;
|
|
58
|
2117 }
|
|
|
2118 }
|
|
|
2119
|
|
|
2120 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1);
|
|
|
2121 if (conf->headers_set_len == NULL) {
|
|
464
|
2122 return NGX_ERROR;
|
|
58
|
2123 }
|
|
|
2124
|
|
|
2125 conf->headers_set = ngx_array_create(cf->pool, 512, 1);
|
|
|
2126 if (conf->headers_set == NULL) {
|
|
464
|
2127 return NGX_ERROR;
|
|
58
|
2128 }
|
|
|
2129
|
|
|
2130
|
|
|
2131 src = conf->headers_source->elts;
|
|
|
2132
|
|
480
|
2133 #if (NGX_HTTP_CACHE)
|
|
|
2134
|
|
|
2135 h = conf->upstream.cache ? ngx_http_proxy_cache_headers:
|
|
|
2136 ngx_http_proxy_headers;
|
|
|
2137 #else
|
|
|
2138
|
|
|
2139 h = ngx_http_proxy_headers;
|
|
|
2140
|
|
|
2141 #endif
|
|
|
2142
|
|
|
2143 while (h->key.len) {
|
|
58
|
2144
|
|
|
2145 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
2146 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
|
2147 goto next;
|
|
|
2148 }
|
|
|
2149 }
|
|
|
2150
|
|
|
2151 s = ngx_array_push(conf->headers_source);
|
|
|
2152 if (s == NULL) {
|
|
464
|
2153 return NGX_ERROR;
|
|
58
|
2154 }
|
|
|
2155
|
|
|
2156 *s = *h;
|
|
|
2157
|
|
66
|
2158 src = conf->headers_source->elts;
|
|
|
2159
|
|
58
|
2160 next:
|
|
|
2161
|
|
480
|
2162 h++;
|
|
58
|
2163 }
|
|
|
2164
|
|
126
|
2165
|
|
|
2166 src = conf->headers_source->elts;
|
|
58
|
2167 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
2168
|
|
576
|
2169 hk = ngx_array_push(&headers_names);
|
|
198
|
2170 if (hk == NULL) {
|
|
464
|
2171 return NGX_ERROR;
|
|
58
|
2172 }
|
|
|
2173
|
|
198
|
2174 hk->key = src[i].key;
|
|
|
2175 hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len);
|
|
|
2176 hk->value = (void *) 1;
|
|
58
|
2177
|
|
68
|
2178 if (src[i].value.len == 0) {
|
|
|
2179 continue;
|
|
|
2180 }
|
|
|
2181
|
|
58
|
2182 if (ngx_http_script_variables_count(&src[i].value) == 0) {
|
|
|
2183 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2184 sizeof(ngx_http_script_copy_code_t));
|
|
|
2185 if (copy == NULL) {
|
|
464
|
2186 return NGX_ERROR;
|
|
58
|
2187 }
|
|
|
2188
|
|
|
2189 copy->code = (ngx_http_script_code_pt)
|
|
|
2190 ngx_http_script_copy_len_code;
|
|
|
2191 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
2192 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
2193
|
|
|
2194
|
|
|
2195 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2196 + src[i].key.len + sizeof(": ") - 1
|
|
|
2197 + src[i].value.len + sizeof(CRLF) - 1
|
|
|
2198 + sizeof(uintptr_t) - 1)
|
|
|
2199 & ~(sizeof(uintptr_t) - 1);
|
|
|
2200
|
|
|
2201 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2202 if (copy == NULL) {
|
|
464
|
2203 return NGX_ERROR;
|
|
58
|
2204 }
|
|
|
2205
|
|
|
2206 copy->code = ngx_http_script_copy_code;
|
|
|
2207 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
2208 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
2209
|
|
|
2210 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2211
|
|
|
2212 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
2213 *p++ = ':'; *p++ = ' ';
|
|
|
2214 p = ngx_cpymem(p, src[i].value.data, src[i].value.len);
|
|
|
2215 *p++ = CR; *p = LF;
|
|
|
2216
|
|
|
2217 } else {
|
|
|
2218 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2219 sizeof(ngx_http_script_copy_code_t));
|
|
|
2220 if (copy == NULL) {
|
|
464
|
2221 return NGX_ERROR;
|
|
58
|
2222 }
|
|
|
2223
|
|
|
2224 copy->code = (ngx_http_script_code_pt)
|
|
|
2225 ngx_http_script_copy_len_code;
|
|
|
2226 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
2227
|
|
|
2228
|
|
|
2229 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2230 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1)
|
|
|
2231 & ~(sizeof(uintptr_t) - 1);
|
|
|
2232
|
|
|
2233 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2234 if (copy == NULL) {
|
|
464
|
2235 return NGX_ERROR;
|
|
58
|
2236 }
|
|
|
2237
|
|
|
2238 copy->code = ngx_http_script_copy_code;
|
|
|
2239 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
2240
|
|
|
2241 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2242 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
2243 *p++ = ':'; *p = ' ';
|
|
|
2244
|
|
|
2245
|
|
|
2246 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2247
|
|
|
2248 sc.cf = cf;
|
|
|
2249 sc.source = &src[i].value;
|
|
122
|
2250 sc.flushes = &conf->flushes;
|
|
58
|
2251 sc.lengths = &conf->headers_set_len;
|
|
|
2252 sc.values = &conf->headers_set;
|
|
|
2253
|
|
|
2254 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
464
|
2255 return NGX_ERROR;
|
|
58
|
2256 }
|
|
|
2257
|
|
|
2258
|
|
|
2259 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2260 sizeof(ngx_http_script_copy_code_t));
|
|
|
2261 if (copy == NULL) {
|
|
464
|
2262 return NGX_ERROR;
|
|
58
|
2263 }
|
|
|
2264
|
|
|
2265 copy->code = (ngx_http_script_code_pt)
|
|
|
2266 ngx_http_script_copy_len_code;
|
|
|
2267 copy->len = sizeof(CRLF) - 1;
|
|
|
2268
|
|
|
2269
|
|
|
2270 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2271 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1)
|
|
|
2272 & ~(sizeof(uintptr_t) - 1);
|
|
|
2273
|
|
|
2274 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2275 if (copy == NULL) {
|
|
464
|
2276 return NGX_ERROR;
|
|
58
|
2277 }
|
|
|
2278
|
|
|
2279 copy->code = ngx_http_script_copy_code;
|
|
|
2280 copy->len = sizeof(CRLF) - 1;
|
|
|
2281
|
|
|
2282 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2283 *p++ = CR; *p = LF;
|
|
|
2284 }
|
|
|
2285
|
|
|
2286 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2287 if (code == NULL) {
|
|
464
|
2288 return NGX_ERROR;
|
|
58
|
2289 }
|
|
|
2290
|
|
|
2291 *code = (uintptr_t) NULL;
|
|
|
2292
|
|
|
2293 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t));
|
|
|
2294 if (code == NULL) {
|
|
464
|
2295 return NGX_ERROR;
|
|
58
|
2296 }
|
|
|
2297
|
|
|
2298 *code = (uintptr_t) NULL;
|
|
|
2299 }
|
|
|
2300
|
|
|
2301 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2302 if (code == NULL) {
|
|
464
|
2303 return NGX_ERROR;
|
|
58
|
2304 }
|
|
|
2305
|
|
|
2306 *code = (uintptr_t) NULL;
|
|
|
2307
|
|
|
2308
|
|
198
|
2309 hash.hash = &conf->headers_set_hash;
|
|
|
2310 hash.key = ngx_hash_key_lc;
|
|
298
|
2311 hash.max_size = conf->headers_hash_max_size;
|
|
|
2312 hash.bucket_size = conf->headers_hash_bucket_size;
|
|
|
2313 hash.name = "proxy_headers_hash";
|
|
198
|
2314 hash.pool = cf->pool;
|
|
|
2315 hash.temp_pool = NULL;
|
|
|
2316
|
|
576
|
2317 return ngx_hash_init(&hash, headers_names.elts, headers_names.nelts);
|
|
58
|
2318 }
|
|
|
2319
|
|
|
2320
|
|
|
2321 static char *
|
|
|
2322 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2323 {
|
|
|
2324 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2325
|
|
348
|
2326 size_t add;
|
|
|
2327 u_short port;
|
|
|
2328 ngx_str_t *value, *url;
|
|
|
2329 ngx_url_t u;
|
|
|
2330 ngx_uint_t n;
|
|
|
2331 ngx_http_core_loc_conf_t *clcf;
|
|
|
2332 ngx_http_script_compile_t sc;
|
|
58
|
2333
|
|
430
|
2334 if (plcf->upstream.upstream || plcf->proxy_lengths) {
|
|
104
|
2335 return "is duplicate";
|
|
|
2336 }
|
|
|
2337
|
|
348
|
2338 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
2339
|
|
510
|
2340 clcf->handler = ngx_http_proxy_handler;
|
|
|
2341
|
|
|
2342 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
2343 clcf->auto_redirect = 1;
|
|
|
2344 }
|
|
|
2345
|
|
58
|
2346 value = cf->args->elts;
|
|
|
2347
|
|
|
2348 url = &value[1];
|
|
|
2349
|
|
348
|
2350 n = ngx_http_script_variables_count(url);
|
|
|
2351
|
|
|
2352 if (n) {
|
|
|
2353
|
|
|
2354 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2355
|
|
|
2356 sc.cf = cf;
|
|
|
2357 sc.source = url;
|
|
|
2358 sc.lengths = &plcf->proxy_lengths;
|
|
|
2359 sc.values = &plcf->proxy_values;
|
|
|
2360 sc.variables = n;
|
|
|
2361 sc.complete_lengths = 1;
|
|
|
2362 sc.complete_values = 1;
|
|
354
|
2363
|
|
348
|
2364 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2365 return NGX_CONF_ERROR;
|
|
|
2366 }
|
|
|
2367
|
|
|
2368 #if (NGX_HTTP_SSL)
|
|
|
2369 if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) {
|
|
|
2370 return NGX_CONF_ERROR;
|
|
|
2371 }
|
|
|
2372 #endif
|
|
|
2373
|
|
|
2374 return NGX_CONF_OK;
|
|
|
2375 }
|
|
|
2376
|
|
286
|
2377 if (ngx_strncasecmp(url->data, (u_char *) "http://", 7) == 0) {
|
|
126
|
2378 add = 7;
|
|
140
|
2379 port = 80;
|
|
126
|
2380
|
|
286
|
2381 } else if (ngx_strncasecmp(url->data, (u_char *) "https://", 8) == 0) {
|
|
126
|
2382
|
|
|
2383 #if (NGX_HTTP_SSL)
|
|
348
|
2384 if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) {
|
|
|
2385 return NGX_CONF_ERROR;
|
|
|
2386 }
|
|
126
|
2387
|
|
|
2388 add = 8;
|
|
140
|
2389 port = 443;
|
|
126
|
2390 #else
|
|
|
2391 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2392 "https protocol requires SSL support");
|
|
|
2393 return NGX_CONF_ERROR;
|
|
|
2394 #endif
|
|
|
2395
|
|
|
2396 } else {
|
|
58
|
2397 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix");
|
|
|
2398 return NGX_CONF_ERROR;
|
|
|
2399 }
|
|
|
2400
|
|
200
|
2401 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
|
2402
|
|
|
2403 u.url.len = url->len - add;
|
|
|
2404 u.url.data = url->data + add;
|
|
266
|
2405 u.default_port = port;
|
|
|
2406 u.uri_part = 1;
|
|
260
|
2407 u.no_resolve = 1;
|
|
|
2408
|
|
|
2409 plcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
|
|
|
2410 if (plcf->upstream.upstream == NULL) {
|
|
58
|
2411 return NGX_CONF_ERROR;
|
|
|
2412 }
|
|
|
2413
|
|
430
|
2414 plcf->vars.schema.len = add;
|
|
|
2415 plcf->vars.schema.data = url->data;
|
|
464
|
2416 plcf->vars.key_start = plcf->vars.schema;
|
|
|
2417
|
|
|
2418 ngx_http_proxy_set_vars(&u, &plcf->vars);
|
|
58
|
2419
|
|
464
|
2420 plcf->location = clcf->name;
|
|
|
2421
|
|
324
|
2422 if (clcf->named
|
|
58
|
2423 #if (NGX_PCRE)
|
|
324
|
2424 || clcf->regex
|
|
|
2425 #endif
|
|
|
2426 || clcf->noname)
|
|
|
2427 {
|
|
348
|
2428 if (plcf->vars.uri.len) {
|
|
122
|
2429 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2430 "\"proxy_pass\" may not have URI part in "
|
|
256
|
2431 "location given by regular expression, "
|
|
324
|
2432 "or inside named location, "
|
|
256
|
2433 "or inside the \"if\" statement, "
|
|
|
2434 "or inside the \"limit_except\" block");
|
|
122
|
2435 return NGX_CONF_ERROR;
|
|
|
2436 }
|
|
|
2437
|
|
348
|
2438 plcf->location.len = 0;
|
|
104
|
2439 }
|
|
|
2440
|
|
348
|
2441 plcf->url = *url;
|
|
58
|
2442
|
|
|
2443 return NGX_CONF_OK;
|
|
|
2444 }
|
|
|
2445
|
|
|
2446
|
|
|
2447 static char *
|
|
|
2448 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2449 {
|
|
|
2450 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2451
|
|
|
2452 ngx_str_t *value;
|
|
|
2453 ngx_array_t *vars_lengths, *vars_values;
|
|
|
2454 ngx_http_script_compile_t sc;
|
|
|
2455 ngx_http_proxy_redirect_t *pr;
|
|
|
2456
|
|
|
2457 if (plcf->redirect == 0) {
|
|
|
2458 return NGX_CONF_OK;
|
|
|
2459 }
|
|
|
2460
|
|
|
2461 value = cf->args->elts;
|
|
|
2462
|
|
484
|
2463 if (cf->args->nelts == 2) {
|
|
|
2464 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2465 plcf->redirect = 0;
|
|
|
2466 plcf->redirects = NULL;
|
|
|
2467 return NGX_CONF_OK;
|
|
|
2468 }
|
|
|
2469
|
|
|
2470 if (ngx_strcmp(value[1].data, "false") == 0) {
|
|
|
2471 ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
|
|
|
2472 "invalid parameter \"false\", use \"off\" instead");
|
|
|
2473 plcf->redirect = 0;
|
|
|
2474 plcf->redirects = NULL;
|
|
|
2475 return NGX_CONF_OK;
|
|
|
2476 }
|
|
|
2477
|
|
|
2478 if (ngx_strcmp(value[1].data, "default") != 0) {
|
|
|
2479 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2480 "invalid parameter \"%V\"", &value[1]);
|
|
|
2481 return NGX_CONF_ERROR;
|
|
|
2482 }
|
|
58
|
2483 }
|
|
|
2484
|
|
|
2485 if (plcf->redirects == NULL) {
|
|
|
2486 plcf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
2487 sizeof(ngx_http_proxy_redirect_t));
|
|
|
2488 if (plcf->redirects == NULL) {
|
|
|
2489 return NGX_CONF_ERROR;
|
|
|
2490 }
|
|
|
2491 }
|
|
|
2492
|
|
|
2493 pr = ngx_array_push(plcf->redirects);
|
|
|
2494 if (pr == NULL) {
|
|
|
2495 return NGX_CONF_ERROR;
|
|
|
2496 }
|
|
|
2497
|
|
484
|
2498 if (ngx_strcmp(value[1].data, "default") == 0) {
|
|
566
|
2499 if (plcf->proxy_lengths) {
|
|
|
2500 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2501 "\"proxy_redirect default\" may not be used "
|
|
|
2502 "with \"proxy_pass\" directive with variables");
|
|
|
2503 return NGX_CONF_ERROR;
|
|
|
2504 }
|
|
|
2505
|
|
348
|
2506 if (plcf->url.data == NULL) {
|
|
58
|
2507 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
566
|
2508 "\"proxy_redirect default\" must go "
|
|
58
|
2509 "after the \"proxy_pass\" directive");
|
|
|
2510 return NGX_CONF_ERROR;
|
|
|
2511 }
|
|
|
2512
|
|
|
2513 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
348
|
2514 pr->redirect = plcf->url;
|
|
|
2515
|
|
|
2516 if (plcf->vars.uri.len) {
|
|
|
2517 pr->replacement.text = plcf->location;
|
|
202
|
2518
|
|
|
2519 } else {
|
|
570
|
2520 ngx_str_null(&pr->replacement.text);
|
|
202
|
2521 }
|
|
58
|
2522
|
|
|
2523 return NGX_CONF_OK;
|
|
|
2524 }
|
|
|
2525
|
|
|
2526 if (ngx_http_script_variables_count(&value[2]) == 0) {
|
|
|
2527 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2528 pr->redirect = value[1];
|
|
|
2529 pr->replacement.text = value[2];
|
|
|
2530
|
|
|
2531 return NGX_CONF_OK;
|
|
|
2532 }
|
|
|
2533
|
|
|
2534 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2535
|
|
|
2536 vars_lengths = NULL;
|
|
|
2537 vars_values = NULL;
|
|
|
2538
|
|
|
2539 sc.cf = cf;
|
|
|
2540 sc.source = &value[2];
|
|
|
2541 sc.lengths = &vars_lengths;
|
|
|
2542 sc.values = &vars_values;
|
|
|
2543 sc.complete_lengths = 1;
|
|
|
2544 sc.complete_values = 1;
|
|
|
2545
|
|
|
2546 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2547 return NGX_CONF_ERROR;
|
|
|
2548 }
|
|
|
2549
|
|
|
2550 pr->handler = ngx_http_proxy_rewrite_redirect_vars;
|
|
|
2551 pr->redirect = value[1];
|
|
|
2552 pr->replacement.vars.lengths = vars_lengths->elts;
|
|
|
2553 pr->replacement.vars.values = vars_values->elts;
|
|
|
2554
|
|
|
2555 return NGX_CONF_OK;
|
|
|
2556 }
|
|
|
2557
|
|
|
2558
|
|
|
2559 static char *
|
|
320
|
2560 ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2561 {
|
|
|
2562 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2563
|
|
|
2564 ngx_str_t *value;
|
|
|
2565 ngx_http_script_compile_t sc;
|
|
|
2566
|
|
496
|
2567 if (plcf->upstream.store != NGX_CONF_UNSET
|
|
|
2568 || plcf->upstream.store_lengths)
|
|
320
|
2569 {
|
|
|
2570 return "is duplicate";
|
|
|
2571 }
|
|
|
2572
|
|
|
2573 value = cf->args->elts;
|
|
|
2574
|
|
496
|
2575 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2576 plcf->upstream.store = 0;
|
|
320
|
2577 return NGX_CONF_OK;
|
|
|
2578 }
|
|
|
2579
|
|
496
|
2580 #if (NGX_HTTP_CACHE)
|
|
|
2581
|
|
|
2582 if (plcf->upstream.cache != NGX_CONF_UNSET_PTR
|
|
|
2583 && plcf->upstream.cache != NULL)
|
|
|
2584 {
|
|
|
2585 return "is incompatible with \"proxy_cache\"";
|
|
|
2586 }
|
|
|
2587
|
|
|
2588 #endif
|
|
|
2589
|
|
|
2590 if (ngx_strcmp(value[1].data, "on") == 0) {
|
|
|
2591 plcf->upstream.store = 1;
|
|
320
|
2592 return NGX_CONF_OK;
|
|
|
2593 }
|
|
|
2594
|
|
|
2595 /* include the terminating '\0' into script */
|
|
|
2596 value[1].len++;
|
|
|
2597
|
|
|
2598 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2599
|
|
|
2600 sc.cf = cf;
|
|
|
2601 sc.source = &value[1];
|
|
|
2602 sc.lengths = &plcf->upstream.store_lengths;
|
|
|
2603 sc.values = &plcf->upstream.store_values;
|
|
340
|
2604 sc.variables = ngx_http_script_variables_count(&value[1]);
|
|
320
|
2605 sc.complete_lengths = 1;
|
|
|
2606 sc.complete_values = 1;
|
|
|
2607
|
|
|
2608 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2609 return NGX_CONF_ERROR;
|
|
|
2610 }
|
|
|
2611
|
|
|
2612 return NGX_CONF_OK;
|
|
|
2613 }
|
|
|
2614
|
|
|
2615
|
|
464
|
2616 #if (NGX_HTTP_CACHE)
|
|
|
2617
|
|
|
2618 static char *
|
|
|
2619 ngx_http_proxy_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2620 {
|
|
|
2621 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2622
|
|
|
2623 ngx_str_t *value;
|
|
|
2624
|
|
|
2625 value = cf->args->elts;
|
|
|
2626
|
|
|
2627 if (plcf->upstream.cache != NGX_CONF_UNSET_PTR) {
|
|
|
2628 return "is duplicate";
|
|
|
2629 }
|
|
|
2630
|
|
|
2631 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2632 plcf->upstream.cache = NULL;
|
|
|
2633 return NGX_CONF_OK;
|
|
|
2634 }
|
|
|
2635
|
|
496
|
2636 if (plcf->upstream.store > 0 || plcf->upstream.store_lengths) {
|
|
|
2637 return "is incompatible with \"proxy_store\"";
|
|
|
2638 }
|
|
|
2639
|
|
464
|
2640 plcf->upstream.cache = ngx_shared_memory_add(cf, &value[1], 0,
|
|
|
2641 &ngx_http_proxy_module);
|
|
|
2642 if (plcf->upstream.cache == NULL) {
|
|
|
2643 return NGX_CONF_ERROR;
|
|
|
2644 }
|
|
|
2645
|
|
|
2646 return NGX_CONF_OK;
|
|
|
2647 }
|
|
|
2648
|
|
472
|
2649
|
|
|
2650 static char *
|
|
|
2651 ngx_http_proxy_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2652 {
|
|
|
2653 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2654
|
|
|
2655 ngx_str_t *value;
|
|
|
2656 ngx_http_compile_complex_value_t ccv;
|
|
|
2657
|
|
|
2658 value = cf->args->elts;
|
|
|
2659
|
|
|
2660 if (plcf->cache_key.value.len) {
|
|
|
2661 return "is duplicate";
|
|
|
2662 }
|
|
|
2663
|
|
|
2664 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
|
|
|
2665
|
|
|
2666 ccv.cf = cf;
|
|
|
2667 ccv.value = &value[1];
|
|
|
2668 ccv.complex_value = &plcf->cache_key;
|
|
|
2669
|
|
|
2670 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
|
|
|
2671 return NGX_CONF_ERROR;
|
|
|
2672 }
|
|
|
2673
|
|
|
2674 return NGX_CONF_OK;
|
|
|
2675 }
|
|
|
2676
|
|
464
|
2677 #endif
|
|
|
2678
|
|
|
2679
|
|
320
|
2680 static char *
|
|
58
|
2681 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data)
|
|
|
2682 {
|
|
|
2683 #if (NGX_FREEBSD)
|
|
|
2684 ssize_t *np = data;
|
|
|
2685
|
|
222
|
2686 if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) {
|
|
58
|
2687 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2688 "\"proxy_send_lowat\" must be less than %d "
|
|
|
2689 "(sysctl net.inet.tcp.sendspace)",
|
|
|
2690 ngx_freebsd_net_inet_tcp_sendspace);
|
|
|
2691
|
|
|
2692 return NGX_CONF_ERROR;
|
|
|
2693 }
|
|
|
2694
|
|
|
2695 #elif !(NGX_HAVE_SO_SNDLOWAT)
|
|
|
2696 ssize_t *np = data;
|
|
|
2697
|
|
|
2698 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
2699 "\"proxy_send_lowat\" is not supported, ignored");
|
|
|
2700
|
|
|
2701 *np = 0;
|
|
|
2702
|
|
|
2703 #endif
|
|
|
2704
|
|
|
2705 return NGX_CONF_OK;
|
|
|
2706 }
|
|
260
|
2707
|
|
|
2708
|
|
348
|
2709 #if (NGX_HTTP_SSL)
|
|
|
2710
|
|
|
2711 static ngx_int_t
|
|
|
2712 ngx_http_proxy_set_ssl(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *plcf)
|
|
|
2713 {
|
|
|
2714 ngx_pool_cleanup_t *cln;
|
|
|
2715
|
|
|
2716 plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t));
|
|
|
2717 if (plcf->upstream.ssl == NULL) {
|
|
|
2718 return NGX_ERROR;
|
|
|
2719 }
|
|
|
2720
|
|
|
2721 plcf->upstream.ssl->log = cf->log;
|
|
|
2722
|
|
|
2723 if (ngx_ssl_create(plcf->upstream.ssl,
|
|
|
2724 NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1, NULL)
|
|
|
2725 != NGX_OK)
|
|
|
2726 {
|
|
|
2727 return NGX_ERROR;
|
|
|
2728 }
|
|
|
2729
|
|
|
2730 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
2731 if (cln == NULL) {
|
|
|
2732 return NGX_ERROR;
|
|
|
2733 }
|
|
|
2734
|
|
|
2735 cln->handler = ngx_ssl_cleanup_ctx;
|
|
|
2736 cln->data = plcf->upstream.ssl;
|
|
|
2737
|
|
|
2738 return NGX_OK;
|
|
|
2739 }
|
|
|
2740
|
|
|
2741 #endif
|
|
|
2742
|
|
|
2743
|
|
464
|
2744 static void
|
|
|
2745 ngx_http_proxy_set_vars(ngx_url_t *u, ngx_http_proxy_vars_t *v)
|
|
348
|
2746 {
|
|
400
|
2747 if (u->family != AF_UNIX) {
|
|
464
|
2748
|
|
348
|
2749 if (u->no_port || u->port == u->default_port) {
|
|
464
|
2750
|
|
348
|
2751 v->host_header = u->host;
|
|
|
2752
|
|
|
2753 if (u->default_port == 80) {
|
|
570
|
2754 ngx_str_set(&v->port, "80");
|
|
348
|
2755
|
|
|
2756 } else {
|
|
570
|
2757 ngx_str_set(&v->port, "443");
|
|
348
|
2758 }
|
|
|
2759
|
|
|
2760 } else {
|
|
354
|
2761 v->host_header.len = u->host.len + 1 + u->port_text.len;
|
|
|
2762 v->host_header.data = u->host.data;
|
|
|
2763 v->port = u->port_text;
|
|
348
|
2764 }
|
|
|
2765
|
|
464
|
2766 v->key_start.len += v->host_header.len;
|
|
|
2767
|
|
348
|
2768 } else {
|
|
570
|
2769 ngx_str_set(&v->host_header, "localhost");
|
|
|
2770 ngx_str_null(&v->port);
|
|
464
|
2771 v->key_start.len += sizeof("unix:") - 1 + u->host.len + 1;
|
|
348
|
2772 }
|
|
|
2773
|
|
|
2774 v->uri = u->uri;
|
|
|
2775 }
|
