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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 ngx_array_t *headers_names;
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55
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348
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56 ngx_array_t *proxy_lengths;
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57 ngx_array_t *proxy_values;
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58
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200
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59 ngx_array_t *redirects;
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60
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61 ngx_str_t body_source;
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62
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63 ngx_str_t method;
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348
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64 ngx_str_t location;
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65 ngx_str_t url;
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66
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472
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67 #if (NGX_HTTP_CACHE)
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68 ngx_http_complex_value_t cache_key;
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69 #endif
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70
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348
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71 ngx_http_proxy_vars_t vars;
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200
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72
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73 ngx_flag_t redirect;
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298
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74
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75 ngx_uint_t headers_hash_max_size;
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76 ngx_uint_t headers_hash_bucket_size;
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58
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77 } ngx_http_proxy_loc_conf_t;
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78
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79
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80 typedef struct {
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200
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81 ngx_uint_t status;
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82 ngx_uint_t status_count;
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83 u_char *status_start;
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84 u_char *status_end;
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85
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348
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86 ngx_http_proxy_vars_t vars;
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87
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200
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88 size_t internal_body_length;
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58
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89 } ngx_http_proxy_ctx_t;
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90
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91
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92 #define NGX_HTTP_PROXY_PARSE_NO_HEADER 20
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93
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94
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348
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95 static ngx_int_t ngx_http_proxy_eval(ngx_http_request_t *r,
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96 ngx_http_proxy_ctx_t *ctx, ngx_http_proxy_loc_conf_t *plcf);
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464
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97 #if (NGX_HTTP_CACHE)
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98 static ngx_int_t ngx_http_proxy_create_key(ngx_http_request_t *r);
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99 #endif
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58
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100 static ngx_int_t ngx_http_proxy_create_request(ngx_http_request_t *r);
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101 static ngx_int_t ngx_http_proxy_reinit_request(ngx_http_request_t *r);
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102 static ngx_int_t ngx_http_proxy_process_status_line(ngx_http_request_t *r);
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103 static ngx_int_t ngx_http_proxy_parse_status_line(ngx_http_request_t *r,
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348
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104 ngx_http_proxy_ctx_t *ctx);
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58
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105 static ngx_int_t ngx_http_proxy_process_header(ngx_http_request_t *r);
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106 static void ngx_http_proxy_abort_request(ngx_http_request_t *r);
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107 static void ngx_http_proxy_finalize_request(ngx_http_request_t *r,
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108 ngx_int_t rc);
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109
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122
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110 static ngx_int_t ngx_http_proxy_host_variable(ngx_http_request_t *r,
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111 ngx_http_variable_value_t *v, uintptr_t data);
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112 static ngx_int_t ngx_http_proxy_port_variable(ngx_http_request_t *r,
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113 ngx_http_variable_value_t *v, uintptr_t data);
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114 static ngx_int_t
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58
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115 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
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122
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116 ngx_http_variable_value_t *v, uintptr_t data);
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126
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117 static ngx_int_t
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118 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
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119 ngx_http_variable_value_t *v, uintptr_t data);
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58
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120 static ngx_int_t ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r,
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121 ngx_table_elt_t *h, size_t prefix);
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122
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123 static ngx_int_t ngx_http_proxy_add_variables(ngx_conf_t *cf);
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124 static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf);
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125 static char *ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf,
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126 void *parent, void *child);
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464
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127 static ngx_int_t ngx_http_proxy_merge_headers(ngx_conf_t *cf,
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128 ngx_http_proxy_loc_conf_t *conf, ngx_http_proxy_loc_conf_t *prev);
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58
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129
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130 static char *ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd,
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131 void *conf);
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132 static char *ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd,
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133 void *conf);
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320
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134 static char *ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd,
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135 void *conf);
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464
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136 #if (NGX_HTTP_CACHE)
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137 static char *ngx_http_proxy_cache(ngx_conf_t *cf, ngx_command_t *cmd,
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138 void *conf);
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472
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139 static char *ngx_http_proxy_cache_key(ngx_conf_t *cf, ngx_command_t *cmd,
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140 void *conf);
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464
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141 #endif
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58
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142
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143 static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data);
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144
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348
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145 #if (NGX_HTTP_SSL)
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146 static ngx_int_t ngx_http_proxy_set_ssl(ngx_conf_t *cf,
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147 ngx_http_proxy_loc_conf_t *plcf);
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148 #endif
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464
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149 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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150
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58
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151
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152 static ngx_conf_post_t ngx_http_proxy_lowat_post =
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153 { ngx_http_proxy_lowat_check };
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154
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155
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156 static ngx_conf_bitmask_t ngx_http_proxy_next_upstream_masks[] = {
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157 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
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158 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
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159 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
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160 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
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412
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161 { ngx_string("http_502"), NGX_HTTP_UPSTREAM_FT_HTTP_502 },
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172
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162 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 },
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412
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163 { ngx_string("http_504"), NGX_HTTP_UPSTREAM_FT_HTTP_504 },
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58
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164 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
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498
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165 { ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING },
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214
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166 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF },
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58
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167 { ngx_null_string, 0 }
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168 };
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169
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170
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484
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171 static ngx_conf_bitmask_t ngx_http_proxy_ignore_headers_masks[] = {
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172 { ngx_string("X-Accel-Redirect"), NGX_HTTP_UPSTREAM_IGN_XA_REDIRECT },
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173 { ngx_string("X-Accel-Expires"), NGX_HTTP_UPSTREAM_IGN_XA_EXPIRES },
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174 { ngx_string("Expires"), NGX_HTTP_UPSTREAM_IGN_EXPIRES },
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175 { ngx_string("Cache-Control"), NGX_HTTP_UPSTREAM_IGN_CACHE_CONTROL },
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176 { ngx_null_string, 0 }
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177 };
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178
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179
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464
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180 ngx_module_t ngx_http_proxy_module;
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181
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182
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58
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183 static ngx_command_t ngx_http_proxy_commands[] = {
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184
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185 { ngx_string("proxy_pass"),
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256
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186 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1,
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58
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187 ngx_http_proxy_pass,
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188 NGX_HTTP_LOC_CONF_OFFSET,
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189 0,
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190 NULL },
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191
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192 { ngx_string("proxy_redirect"),
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193 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
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194 ngx_http_proxy_redirect,
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195 NGX_HTTP_LOC_CONF_OFFSET,
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196 0,
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197 NULL },
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198
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318
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199 { ngx_string("proxy_store"),
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320
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200 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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201 ngx_http_proxy_store,
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202 NGX_HTTP_LOC_CONF_OFFSET,
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203 0,
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204 NULL },
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205
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206 { ngx_string("proxy_store_access"),
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318
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207 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123,
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208 ngx_conf_set_access_slot,
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209 NGX_HTTP_LOC_CONF_OFFSET,
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320
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210 offsetof(ngx_http_proxy_loc_conf_t, upstream.store_access),
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318
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211 NULL },
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212
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130
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213 { ngx_string("proxy_buffering"),
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214 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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215 ngx_conf_set_flag_slot,
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216 NGX_HTTP_LOC_CONF_OFFSET,
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217 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffering),
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218 NULL },
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219
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178
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220 { ngx_string("proxy_ignore_client_abort"),
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221 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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222 ngx_conf_set_flag_slot,
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223 NGX_HTTP_LOC_CONF_OFFSET,
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224 offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_client_abort),
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225 NULL },
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226
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540
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227 { ngx_string("proxy_bind"),
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228 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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558
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229 ngx_http_upstream_bind_set_slot,
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540
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230 NGX_HTTP_LOC_CONF_OFFSET,
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231 offsetof(ngx_http_proxy_loc_conf_t, upstream.local),
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232 NULL },
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233
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58
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234 { ngx_string("proxy_connect_timeout"),
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235 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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236 ngx_conf_set_msec_slot,
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237 NGX_HTTP_LOC_CONF_OFFSET,
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238 offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout),
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239 NULL },
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240
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241 { ngx_string("proxy_send_timeout"),
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242 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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243 ngx_conf_set_msec_slot,
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244 NGX_HTTP_LOC_CONF_OFFSET,
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245 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout),
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246 NULL },
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247
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248 { ngx_string("proxy_send_lowat"),
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249 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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250 ngx_conf_set_size_slot,
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251 NGX_HTTP_LOC_CONF_OFFSET,
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252 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat),
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253 &ngx_http_proxy_lowat_post },
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254
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206
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255 { ngx_string("proxy_intercept_errors"),
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256 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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257 ngx_conf_set_flag_slot,
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258 NGX_HTTP_LOC_CONF_OFFSET,
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259 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors),
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260 NULL },
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261
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58
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262 { ngx_string("proxy_set_header"),
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263 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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198
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264 ngx_conf_set_keyval_slot,
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58
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265 NGX_HTTP_LOC_CONF_OFFSET,
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266 offsetof(ngx_http_proxy_loc_conf_t, headers_source),
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267 NULL },
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268
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298
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269 { ngx_string("proxy_headers_hash_max_size"),
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270 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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271 ngx_conf_set_num_slot,
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272 NGX_HTTP_LOC_CONF_OFFSET,
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273 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_max_size),
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274 NULL },
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275
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276 { ngx_string("proxy_headers_hash_bucket_size"),
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277 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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278 ngx_conf_set_num_slot,
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279 NGX_HTTP_LOC_CONF_OFFSET,
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280 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_bucket_size),
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281 NULL },
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282
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126
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283 { ngx_string("proxy_set_body"),
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284 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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285 ngx_conf_set_str_slot,
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286 NGX_HTTP_LOC_CONF_OFFSET,
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287 offsetof(ngx_http_proxy_loc_conf_t, body_source),
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288 NULL },
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289
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58
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290 { ngx_string("proxy_method"),
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291 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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110
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292 ngx_conf_set_str_slot,
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58
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293 NGX_HTTP_LOC_CONF_OFFSET,
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110
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294 offsetof(ngx_http_proxy_loc_conf_t, method),
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295 NULL },
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58
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296
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297 { ngx_string("proxy_pass_request_headers"),
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298 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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299 ngx_conf_set_flag_slot,
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300 NGX_HTTP_LOC_CONF_OFFSET,
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301 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers),
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302 NULL },
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303
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304 { ngx_string("proxy_pass_request_body"),
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305 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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306 ngx_conf_set_flag_slot,
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307 NGX_HTTP_LOC_CONF_OFFSET,
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308 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body),
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309 NULL },
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310
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130
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311 { ngx_string("proxy_buffer_size"),
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312 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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313 ngx_conf_set_size_slot,
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314 NGX_HTTP_LOC_CONF_OFFSET,
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315 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
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316 NULL },
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317
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58
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318 { ngx_string("proxy_read_timeout"),
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319 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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320 ngx_conf_set_msec_slot,
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321 NGX_HTTP_LOC_CONF_OFFSET,
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322 offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout),
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323 NULL },
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324
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325 { ngx_string("proxy_buffers"),
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326 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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327 ngx_conf_set_bufs_slot,
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328 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
329 offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs),
|
|
|
330 NULL },
|
|
|
331
|
|
|
332 { ngx_string("proxy_busy_buffers_size"),
|
|
|
333 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
334 ngx_conf_set_size_slot,
|
|
|
335 NGX_HTTP_LOC_CONF_OFFSET,
|
|
78
|
336 offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf),
|
|
58
|
337 NULL },
|
|
|
338
|
|
464
|
339 #if (NGX_HTTP_CACHE)
|
|
|
340
|
|
|
341 { ngx_string("proxy_cache"),
|
|
|
342 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
343 ngx_http_proxy_cache,
|
|
|
344 NGX_HTTP_LOC_CONF_OFFSET,
|
|
466
|
345 0,
|
|
464
|
346 NULL },
|
|
|
347
|
|
472
|
348 { ngx_string("proxy_cache_key"),
|
|
|
349 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
350 ngx_http_proxy_cache_key,
|
|
|
351 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
352 0,
|
|
|
353 NULL },
|
|
|
354
|
|
464
|
355 { ngx_string("proxy_cache_path"),
|
|
|
356 NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE,
|
|
|
357 ngx_http_file_cache_set_slot,
|
|
|
358 0,
|
|
|
359 0,
|
|
|
360 &ngx_http_proxy_module },
|
|
|
361
|
|
572
|
362 { ngx_string("proxy_no_cache"),
|
|
|
363 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
364 ngx_http_no_cache_set_slot,
|
|
|
365 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
366 offsetof(ngx_http_proxy_loc_conf_t, upstream.no_cache),
|
|
|
367 NULL },
|
|
|
368
|
|
464
|
369 { ngx_string("proxy_cache_valid"),
|
|
|
370 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
371 ngx_http_file_cache_valid_set_slot,
|
|
|
372 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
373 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_valid),
|
|
|
374 NULL },
|
|
|
375
|
|
|
376 { ngx_string("proxy_cache_min_uses"),
|
|
|
377 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
378 ngx_conf_set_num_slot,
|
|
|
379 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
380 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_min_uses),
|
|
|
381 NULL },
|
|
|
382
|
|
|
383 { ngx_string("proxy_cache_use_stale"),
|
|
|
384 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
385 ngx_conf_set_bitmask_slot,
|
|
|
386 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
387 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_use_stale),
|
|
|
388 &ngx_http_proxy_next_upstream_masks },
|
|
|
389
|
|
494
|
390 { ngx_string("proxy_cache_methods"),
|
|
|
391 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
392 ngx_conf_set_bitmask_slot,
|
|
|
393 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
394 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_methods),
|
|
|
395 &ngx_http_upstream_cache_method_mask },
|
|
|
396
|
|
464
|
397 #endif
|
|
|
398
|
|
58
|
399 { ngx_string("proxy_temp_path"),
|
|
|
400 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
|
|
|
401 ngx_conf_set_path_slot,
|
|
|
402 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
403 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path),
|
|
464
|
404 NULL },
|
|
58
|
405
|
|
|
406 { ngx_string("proxy_max_temp_file_size"),
|
|
|
407 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
408 ngx_conf_set_size_slot,
|
|
|
409 NGX_HTTP_LOC_CONF_OFFSET,
|
|
78
|
410 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf),
|
|
58
|
411 NULL },
|
|
|
412
|
|
|
413 { ngx_string("proxy_temp_file_write_size"),
|
|
|
414 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
415 ngx_conf_set_size_slot,
|
|
|
416 NGX_HTTP_LOC_CONF_OFFSET,
|
|
78
|
417 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_file_write_size_conf),
|
|
58
|
418 NULL },
|
|
|
419
|
|
|
420 { ngx_string("proxy_next_upstream"),
|
|
96
|
421 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
58
|
422 ngx_conf_set_bitmask_slot,
|
|
|
423 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
424 offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream),
|
|
|
425 &ngx_http_proxy_next_upstream_masks },
|
|
|
426
|
|
198
|
427 { ngx_string("proxy_pass_header"),
|
|
58
|
428 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
198
|
429 ngx_conf_set_str_array_slot,
|
|
58
|
430 NGX_HTTP_LOC_CONF_OFFSET,
|
|
198
|
431 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_headers),
|
|
58
|
432 NULL },
|
|
|
433
|
|
198
|
434 { ngx_string("proxy_hide_header"),
|
|
58
|
435 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
198
|
436 ngx_conf_set_str_array_slot,
|
|
58
|
437 NGX_HTTP_LOC_CONF_OFFSET,
|
|
198
|
438 offsetof(ngx_http_proxy_loc_conf_t, upstream.hide_headers),
|
|
58
|
439 NULL },
|
|
|
440
|
|
484
|
441 { ngx_string("proxy_ignore_headers"),
|
|
|
442 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
443 ngx_conf_set_bitmask_slot,
|
|
|
444 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
445 offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_headers),
|
|
|
446 &ngx_http_proxy_ignore_headers_masks },
|
|
|
447
|
|
398
|
448 #if (NGX_HTTP_SSL)
|
|
|
449
|
|
|
450 { ngx_string("proxy_ssl_session_reuse"),
|
|
|
451 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
452 ngx_conf_set_flag_slot,
|
|
|
453 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
454 offsetof(ngx_http_proxy_loc_conf_t, upstream.ssl_session_reuse),
|
|
|
455 NULL },
|
|
|
456
|
|
|
457 #endif
|
|
|
458
|
|
58
|
459 ngx_null_command
|
|
|
460 };
|
|
|
461
|
|
|
462
|
|
216
|
463 static ngx_http_module_t ngx_http_proxy_module_ctx = {
|
|
58
|
464 ngx_http_proxy_add_variables, /* preconfiguration */
|
|
|
465 NULL, /* postconfiguration */
|
|
|
466
|
|
|
467 NULL, /* create main configuration */
|
|
|
468 NULL, /* init main configuration */
|
|
|
469
|
|
|
470 NULL, /* create server configuration */
|
|
|
471 NULL, /* merge server configuration */
|
|
|
472
|
|
|
473 ngx_http_proxy_create_loc_conf, /* create location configration */
|
|
|
474 ngx_http_proxy_merge_loc_conf /* merge location configration */
|
|
|
475 };
|
|
|
476
|
|
|
477
|
|
|
478 ngx_module_t ngx_http_proxy_module = {
|
|
|
479 NGX_MODULE_V1,
|
|
|
480 &ngx_http_proxy_module_ctx, /* module context */
|
|
|
481 ngx_http_proxy_commands, /* module directives */
|
|
|
482 NGX_HTTP_MODULE, /* module type */
|
|
90
|
483 NULL, /* init master */
|
|
58
|
484 NULL, /* init module */
|
|
90
|
485 NULL, /* init process */
|
|
|
486 NULL, /* init thread */
|
|
|
487 NULL, /* exit thread */
|
|
|
488 NULL, /* exit process */
|
|
|
489 NULL, /* exit master */
|
|
|
490 NGX_MODULE_V1_PADDING
|
|
58
|
491 };
|
|
|
492
|
|
|
493
|
|
|
494 static char ngx_http_proxy_version[] = " HTTP/1.0" CRLF;
|
|
|
495
|
|
|
496
|
|
198
|
497 static ngx_keyval_t ngx_http_proxy_headers[] = {
|
|
|
498 { ngx_string("Host"), ngx_string("$proxy_host") },
|
|
|
499 { ngx_string("Connection"), ngx_string("close") },
|
|
|
500 { ngx_string("Keep-Alive"), ngx_string("") },
|
|
384
|
501 { ngx_string("Expect"), ngx_string("") },
|
|
198
|
502 { ngx_null_string, ngx_null_string }
|
|
|
503 };
|
|
|
504
|
|
|
505
|
|
|
506 static ngx_str_t ngx_http_proxy_hide_headers[] = {
|
|
|
507 ngx_string("Date"),
|
|
|
508 ngx_string("Server"),
|
|
|
509 ngx_string("X-Pad"),
|
|
|
510 ngx_string("X-Accel-Expires"),
|
|
|
511 ngx_string("X-Accel-Redirect"),
|
|
|
512 ngx_string("X-Accel-Limit-Rate"),
|
|
364
|
513 ngx_string("X-Accel-Buffering"),
|
|
|
514 ngx_string("X-Accel-Charset"),
|
|
198
|
515 ngx_null_string
|
|
58
|
516 };
|
|
|
517
|
|
|
518
|
|
480
|
519 #if (NGX_HTTP_CACHE)
|
|
|
520
|
|
|
521 static ngx_keyval_t ngx_http_proxy_cache_headers[] = {
|
|
|
522 { ngx_string("Host"), ngx_string("$proxy_host") },
|
|
|
523 { ngx_string("Connection"), ngx_string("close") },
|
|
|
524 { ngx_string("Keep-Alive"), ngx_string("") },
|
|
|
525 { ngx_string("Expect"), ngx_string("") },
|
|
|
526 { ngx_string("If-Modified-Since"), ngx_string("") },
|
|
|
527 { ngx_string("If-Unmodified-Since"), ngx_string("") },
|
|
558
|
528 { ngx_string("If-None-Match"), ngx_string("") },
|
|
480
|
529 { ngx_string("If-Match"), ngx_string("") },
|
|
|
530 { ngx_string("Range"), ngx_string("") },
|
|
|
531 { ngx_string("If-Range"), ngx_string("") },
|
|
|
532 { ngx_null_string, ngx_null_string }
|
|
|
533 };
|
|
|
534
|
|
|
535
|
|
|
536 static ngx_str_t ngx_http_proxy_hide_cache_headers[] = {
|
|
|
537 ngx_string("Date"),
|
|
|
538 ngx_string("Server"),
|
|
|
539 ngx_string("X-Pad"),
|
|
|
540 ngx_string("X-Accel-Expires"),
|
|
|
541 ngx_string("X-Accel-Redirect"),
|
|
|
542 ngx_string("X-Accel-Limit-Rate"),
|
|
|
543 ngx_string("X-Accel-Buffering"),
|
|
|
544 ngx_string("X-Accel-Charset"),
|
|
|
545 ngx_string("Set-Cookie"),
|
|
|
546 ngx_string("P3P"),
|
|
|
547 ngx_null_string
|
|
|
548 };
|
|
|
549
|
|
|
550 #endif
|
|
|
551
|
|
|
552
|
|
58
|
553 static ngx_http_variable_t ngx_http_proxy_vars[] = {
|
|
|
554
|
|
186
|
555 { ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0,
|
|
366
|
556 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
557
|
|
186
|
558 { ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0,
|
|
366
|
559 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
560
|
|
186
|
561 { ngx_string("proxy_add_x_forwarded_for"), NULL,
|
|
132
|
562 ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
563
|
|
|
564 #if 0
|
|
186
|
565 { ngx_string("proxy_add_via"), NULL, NULL, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
566 #endif
|
|
|
567
|
|
186
|
568 { ngx_string("proxy_internal_body_length"), NULL,
|
|
132
|
569 ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
126
|
570
|
|
186
|
571 { ngx_null_string, NULL, NULL, 0, 0, 0 }
|
|
58
|
572 };
|
|
|
573
|
|
|
574
|
|
464
|
575 static ngx_path_init_t ngx_http_proxy_temp_path = {
|
|
|
576 ngx_string(NGX_HTTP_PROXY_TEMP_PATH), { 1, 2, 0 }
|
|
|
577 };
|
|
|
578
|
|
|
579
|
|
58
|
580 static ngx_int_t
|
|
|
581 ngx_http_proxy_handler(ngx_http_request_t *r)
|
|
126
|
582 {
|
|
58
|
583 ngx_int_t rc;
|
|
|
584 ngx_http_upstream_t *u;
|
|
348
|
585 ngx_http_proxy_ctx_t *ctx;
|
|
58
|
586 ngx_http_proxy_loc_conf_t *plcf;
|
|
126
|
587
|
|
510
|
588 if (ngx_http_upstream_create(r) != NGX_OK) {
|
|
58
|
589 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
590 }
|
|
126
|
591
|
|
348
|
592 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t));
|
|
|
593 if (ctx == NULL) {
|
|
|
594 return NGX_ERROR;
|
|
|
595 }
|
|
|
596
|
|
|
597 ngx_http_set_ctx(r, ctx, ngx_http_proxy_module);
|
|
|
598
|
|
|
599 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
600
|
|
510
|
601 u = r->upstream;
|
|
|
602
|
|
348
|
603 if (plcf->proxy_lengths == 0) {
|
|
|
604 ctx->vars = plcf->vars;
|
|
430
|
605 u->schema = plcf->vars.schema;
|
|
348
|
606 #if (NGX_HTTP_SSL)
|
|
|
607 u->ssl = (plcf->upstream.ssl != NULL);
|
|
|
608 #endif
|
|
|
609
|
|
|
610 } else {
|
|
|
611 if (ngx_http_proxy_eval(r, ctx, plcf) != NGX_OK) {
|
|
|
612 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
613 }
|
|
|
614 }
|
|
|
615
|
|
58
|
616 u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module;
|
|
|
617
|
|
|
618 u->conf = &plcf->upstream;
|
|
|
619
|
|
464
|
620 #if (NGX_HTTP_CACHE)
|
|
|
621 u->create_key = ngx_http_proxy_create_key;
|
|
|
622 #endif
|
|
58
|
623 u->create_request = ngx_http_proxy_create_request;
|
|
|
624 u->reinit_request = ngx_http_proxy_reinit_request;
|
|
|
625 u->process_header = ngx_http_proxy_process_status_line;
|
|
|
626 u->abort_request = ngx_http_proxy_abort_request;
|
|
|
627 u->finalize_request = ngx_http_proxy_finalize_request;
|
|
566
|
628 r->state = 0;
|
|
58
|
629
|
|
|
630 if (plcf->redirects) {
|
|
|
631 u->rewrite_redirect = ngx_http_proxy_rewrite_redirect;
|
|
|
632 }
|
|
|
633
|
|
198
|
634 u->buffering = plcf->upstream.buffering;
|
|
|
635
|
|
|
636 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
|
|
|
637 if (u->pipe == NULL) {
|
|
|
638 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
130
|
639 }
|
|
58
|
640
|
|
198
|
641 u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
|
|
|
642
|
|
58
|
643 u->accel = 1;
|
|
126
|
644
|
|
58
|
645 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
|
646
|
|
|
647 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
|
648 return rc;
|
|
|
649 }
|
|
|
650
|
|
|
651 return NGX_DONE;
|
|
|
652 }
|
|
|
653
|
|
|
654
|
|
|
655 static ngx_int_t
|
|
348
|
656 ngx_http_proxy_eval(ngx_http_request_t *r, ngx_http_proxy_ctx_t *ctx,
|
|
|
657 ngx_http_proxy_loc_conf_t *plcf)
|
|
|
658 {
|
|
464
|
659 u_char *p;
|
|
|
660 size_t add;
|
|
|
661 u_short port;
|
|
|
662 ngx_str_t proxy;
|
|
|
663 ngx_url_t url;
|
|
|
664 ngx_http_upstream_t *u;
|
|
348
|
665
|
|
|
666 if (ngx_http_script_run(r, &proxy, plcf->proxy_lengths->elts, 0,
|
|
|
667 plcf->proxy_values->elts)
|
|
|
668 == NULL)
|
|
|
669 {
|
|
|
670 return NGX_ERROR;
|
|
|
671 }
|
|
|
672
|
|
|
673 if (ngx_strncasecmp(proxy.data, (u_char *) "http://", 7) == 0) {
|
|
|
674
|
|
|
675 add = 7;
|
|
|
676 port = 80;
|
|
|
677
|
|
|
678 #if (NGX_HTTP_SSL)
|
|
|
679
|
|
|
680 } else if (ngx_strncasecmp(proxy.data, (u_char *) "https://", 8) == 0) {
|
|
|
681
|
|
|
682 add = 8;
|
|
|
683 port = 443;
|
|
|
684 r->upstream->ssl = 1;
|
|
|
685
|
|
|
686 #endif
|
|
|
687
|
|
|
688 } else {
|
|
|
689 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
690 "invalid URL prefix in \"%V\"", &proxy);
|
|
|
691 return NGX_ERROR;
|
|
|
692 }
|
|
|
693
|
|
464
|
694 u = r->upstream;
|
|
|
695
|
|
|
696 u->schema.len = add;
|
|
|
697 u->schema.data = proxy.data;
|
|
|
698
|
|
|
699 ngx_memzero(&url, sizeof(ngx_url_t));
|
|
|
700
|
|
|
701 url.url.len = proxy.len - add;
|
|
|
702 url.url.data = proxy.data + add;
|
|
|
703 url.default_port = port;
|
|
|
704 url.uri_part = 1;
|
|
|
705 url.no_resolve = 1;
|
|
|
706
|
|
|
707 if (ngx_parse_url(r->pool, &url) != NGX_OK) {
|
|
|
708 if (url.err) {
|
|
348
|
709 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
464
|
710 "%s in upstream \"%V\"", url.err, &url.url);
|
|
348
|
711 }
|
|
|
712
|
|
|
713 return NGX_ERROR;
|
|
|
714 }
|
|
|
715
|
|
546
|
716 if (url.uri.len) {
|
|
|
717 if (url.uri.data[0] == '?') {
|
|
|
718 p = ngx_pnalloc(r->pool, url.uri.len + 1);
|
|
|
719 if (p == NULL) {
|
|
|
720 return NGX_ERROR;
|
|
|
721 }
|
|
|
722
|
|
|
723 *p++ = '/';
|
|
|
724 ngx_memcpy(p, url.uri.data, url.uri.len);
|
|
|
725
|
|
|
726 url.uri.len++;
|
|
|
727 url.uri.data = p - 1;
|
|
416
|
728 }
|
|
|
729
|
|
546
|
730 } else {
|
|
|
731 url.uri = r->unparsed_uri;
|
|
416
|
732 }
|
|
|
733
|
|
464
|
734 ctx->vars.key_start = u->schema;
|
|
|
735
|
|
|
736 ngx_http_proxy_set_vars(&url, &ctx->vars);
|
|
|
737
|
|
|
738 u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t));
|
|
|
739 if (u->resolved == NULL) {
|
|
348
|
740 return NGX_ERROR;
|
|
|
741 }
|
|
|
742
|
|
464
|
743 if (url.addrs && url.addrs[0].sockaddr) {
|
|
|
744 u->resolved->sockaddr = url.addrs[0].sockaddr;
|
|
|
745 u->resolved->socklen = url.addrs[0].socklen;
|
|
|
746 u->resolved->naddrs = 1;
|
|
|
747 u->resolved->host = url.addrs[0].name;
|
|
434
|
748
|
|
|
749 } else {
|
|
464
|
750 u->resolved->host = url.host;
|
|
|
751 u->resolved->port = (in_port_t) (url.no_port ? port : url.port);
|
|
|
752 u->resolved->no_port = url.no_port;
|
|
434
|
753 }
|
|
348
|
754
|
|
|
755 return NGX_OK;
|
|
|
756 }
|
|
|
757
|
|
|
758
|
|
464
|
759 #if (NGX_HTTP_CACHE)
|
|
|
760
|
|
|
761 static ngx_int_t
|
|
|
762 ngx_http_proxy_create_key(ngx_http_request_t *r)
|
|
|
763 {
|
|
|
764 size_t len, loc_len;
|
|
|
765 u_char *p;
|
|
|
766 uintptr_t escape;
|
|
|
767 ngx_str_t *key;
|
|
|
768 ngx_http_upstream_t *u;
|
|
|
769 ngx_http_proxy_ctx_t *ctx;
|
|
|
770 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
771
|
|
|
772 u = r->upstream;
|
|
|
773
|
|
|
774 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
775
|
|
|
776 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
777
|
|
|
778 key = ngx_array_push(&r->cache->keys);
|
|
|
779 if (key == NULL) {
|
|
|
780 return NGX_ERROR;
|
|
|
781 }
|
|
|
782
|
|
472
|
783 if (plcf->cache_key.value.len) {
|
|
|
784
|
|
|
785 if (ngx_http_complex_value(r, &plcf->cache_key, key) != NGX_OK) {
|
|
|
786 return NGX_ERROR;
|
|
|
787 }
|
|
|
788
|
|
|
789 return NGX_OK;
|
|
|
790 }
|
|
|
791
|
|
464
|
792 *key = ctx->vars.key_start;
|
|
|
793
|
|
|
794 key = ngx_array_push(&r->cache->keys);
|
|
|
795 if (key == NULL) {
|
|
|
796 return NGX_ERROR;
|
|
|
797 }
|
|
|
798
|
|
|
799 if (plcf->proxy_lengths) {
|
|
|
800
|
|
|
801 *key = ctx->vars.uri;
|
|
|
802 u->uri = ctx->vars.uri;
|
|
|
803
|
|
|
804 return NGX_OK;
|
|
|
805
|
|
|
806 } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri && r == r->main)
|
|
|
807 {
|
|
|
808 *key = r->unparsed_uri;
|
|
|
809 u->uri = r->unparsed_uri;
|
|
|
810
|
|
|
811 return NGX_OK;
|
|
|
812 }
|
|
|
813
|
|
|
814 loc_len = (r->valid_location && ctx->vars.uri.len) ? plcf->location.len : 0;
|
|
|
815
|
|
|
816 if (r->quoted_uri || r->internal) {
|
|
|
817 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
|
|
|
818 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
819 } else {
|
|
|
820 escape = 0;
|
|
|
821 }
|
|
|
822
|
|
|
823 len = ctx->vars.uri.len + r->uri.len - loc_len + escape
|
|
|
824 + sizeof("?") - 1 + r->args.len;
|
|
|
825
|
|
|
826 p = ngx_pnalloc(r->pool, len);
|
|
|
827 if (p == NULL) {
|
|
|
828 return NGX_ERROR;
|
|
|
829 }
|
|
|
830
|
|
|
831 key->data = p;
|
|
|
832
|
|
|
833 if (r->valid_location) {
|
|
|
834 p = ngx_copy(p, ctx->vars.uri.data, ctx->vars.uri.len);
|
|
|
835 }
|
|
|
836
|
|
|
837 if (escape) {
|
|
|
838 ngx_escape_uri(p, r->uri.data + loc_len,
|
|
|
839 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
840 p += r->uri.len - loc_len + escape;
|
|
|
841
|
|
|
842 } else {
|
|
|
843 p = ngx_copy(p, r->uri.data + loc_len, r->uri.len - loc_len);
|
|
|
844 }
|
|
|
845
|
|
|
846 if (r->args.len > 0) {
|
|
|
847 *p++ = '?';
|
|
|
848 p = ngx_copy(p, r->args.data, r->args.len);
|
|
|
849 }
|
|
|
850
|
|
|
851 key->len = p - key->data;
|
|
|
852 u->uri = *key;
|
|
|
853
|
|
|
854 return NGX_OK;
|
|
|
855 }
|
|
|
856
|
|
|
857 #endif
|
|
|
858
|
|
|
859
|
|
348
|
860 static ngx_int_t
|
|
58
|
861 ngx_http_proxy_create_request(ngx_http_request_t *r)
|
|
|
862 {
|
|
464
|
863 size_t len, uri_len, loc_len, body_len;
|
|
58
|
864 uintptr_t escape;
|
|
|
865 ngx_buf_t *b;
|
|
198
|
866 ngx_str_t method;
|
|
|
867 ngx_uint_t i, unparsed_uri;
|
|
58
|
868 ngx_chain_t *cl, *body;
|
|
|
869 ngx_list_part_t *part;
|
|
|
870 ngx_table_elt_t *header;
|
|
|
871 ngx_http_upstream_t *u;
|
|
348
|
872 ngx_http_proxy_ctx_t *ctx;
|
|
58
|
873 ngx_http_script_code_pt code;
|
|
|
874 ngx_http_script_engine_t e, le;
|
|
|
875 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
876 ngx_http_script_len_code_pt lcode;
|
|
|
877
|
|
|
878 u = r->upstream;
|
|
|
879
|
|
|
880 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
881
|
|
110
|
882 if (u->method.len) {
|
|
|
883 /* HEAD was changed to GET to cache response */
|
|
|
884 method = u->method;
|
|
|
885 method.len++;
|
|
|
886
|
|
|
887 } else if (plcf->method.len) {
|
|
|
888 method = plcf->method;
|
|
|
889
|
|
58
|
890 } else {
|
|
110
|
891 method = r->method_name;
|
|
|
892 method.len++;
|
|
58
|
893 }
|
|
|
894
|
|
352
|
895 len = method.len + sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1;
|
|
|
896
|
|
58
|
897 escape = 0;
|
|
348
|
898 loc_len = 0;
|
|
|
899 unparsed_uri = 0;
|
|
|
900
|
|
|
901 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
902
|
|
|
903 if (plcf->proxy_lengths) {
|
|
464
|
904 uri_len = ctx->vars.uri.len;
|
|
348
|
905
|
|
|
906 } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri && r == r->main)
|
|
|
907 {
|
|
158
|
908 unparsed_uri = 1;
|
|
464
|
909 uri_len = r->unparsed_uri.len;
|
|
58
|
910
|
|
|
911 } else {
|
|
348
|
912 loc_len = (r->valid_location && ctx->vars.uri.len) ?
|
|
|
913 plcf->location.len : 0;
|
|
|
914
|
|
336
|
915 if (r->quoted_uri || r->internal) {
|
|
58
|
916 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
|
|
|
917 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
918 }
|
|
|
919
|
|
464
|
920 uri_len = ctx->vars.uri.len + r->uri.len - loc_len + escape
|
|
|
921 + sizeof("?") - 1 + r->args.len;
|
|
58
|
922 }
|
|
|
923
|
|
464
|
924 if (uri_len == 0) {
|
|
|
925 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
926 "zero length URI to proxy");
|
|
|
927 return NGX_ERROR;
|
|
|
928 }
|
|
|
929
|
|
|
930 len += uri_len;
|
|
|
931
|
|
340
|
932 ngx_http_script_flush_no_cacheable_variables(r, plcf->flushes);
|
|
122
|
933
|
|
126
|
934 if (plcf->body_set_len) {
|
|
|
935 le.ip = plcf->body_set_len->elts;
|
|
|
936 le.request = r;
|
|
|
937 le.flushed = 1;
|
|
|
938 body_len = 0;
|
|
|
939
|
|
|
940 while (*(uintptr_t *) le.ip) {
|
|
|
941 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
942 body_len += lcode(&le);
|
|
|
943 }
|
|
|
944
|
|
348
|
945 ctx->internal_body_length = body_len;
|
|
126
|
946 len += body_len;
|
|
|
947 }
|
|
|
948
|
|
58
|
949 le.ip = plcf->headers_set_len->elts;
|
|
|
950 le.request = r;
|
|
122
|
951 le.flushed = 1;
|
|
58
|
952
|
|
|
953 while (*(uintptr_t *) le.ip) {
|
|
|
954 while (*(uintptr_t *) le.ip) {
|
|
|
955 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
956 len += lcode(&le);
|
|
|
957 }
|
|
|
958 le.ip += sizeof(uintptr_t);
|
|
|
959 }
|
|
|
960
|
|
|
961
|
|
|
962 if (plcf->upstream.pass_request_headers) {
|
|
|
963 part = &r->headers_in.headers.part;
|
|
|
964 header = part->elts;
|
|
|
965
|
|
|
966 for (i = 0; /* void */; i++) {
|
|
|
967
|
|
|
968 if (i >= part->nelts) {
|
|
|
969 if (part->next == NULL) {
|
|
|
970 break;
|
|
|
971 }
|
|
|
972
|
|
|
973 part = part->next;
|
|
|
974 header = part->elts;
|
|
126
|
975 i = 0;
|
|
58
|
976 }
|
|
|
977
|
|
198
|
978 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
979 header[i].lowcase_key, header[i].key.len))
|
|
58
|
980 {
|
|
|
981 continue;
|
|
|
982 }
|
|
|
983
|
|
|
984 len += header[i].key.len + sizeof(": ") - 1
|
|
|
985 + header[i].value.len + sizeof(CRLF) - 1;
|
|
|
986 }
|
|
|
987 }
|
|
|
988
|
|
|
989
|
|
|
990 b = ngx_create_temp_buf(r->pool, len);
|
|
|
991 if (b == NULL) {
|
|
|
992 return NGX_ERROR;
|
|
|
993 }
|
|
|
994
|
|
|
995 cl = ngx_alloc_chain_link(r->pool);
|
|
|
996 if (cl == NULL) {
|
|
|
997 return NGX_ERROR;
|
|
|
998 }
|
|
|
999
|
|
|
1000 cl->buf = b;
|
|
|
1001
|
|
|
1002
|
|
|
1003 /* the request line */
|
|
|
1004
|
|
122
|
1005 b->last = ngx_copy(b->last, method.data, method.len);
|
|
58
|
1006
|
|
104
|
1007 u->uri.data = b->last;
|
|
|
1008
|
|
348
|
1009 if (plcf->proxy_lengths) {
|
|
|
1010 b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len);
|
|
|
1011
|
|
|
1012 } else if (unparsed_uri) {
|
|
122
|
1013 b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len);
|
|
|
1014
|
|
58
|
1015 } else {
|
|
104
|
1016 if (r->valid_location) {
|
|
348
|
1017 b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len);
|
|
104
|
1018 }
|
|
100
|
1019
|
|
58
|
1020 if (escape) {
|
|
|
1021 ngx_escape_uri(b->last, r->uri.data + loc_len,
|
|
|
1022 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
1023 b->last += r->uri.len - loc_len + escape;
|
|
|
1024
|
|
126
|
1025 } else {
|
|
122
|
1026 b->last = ngx_copy(b->last, r->uri.data + loc_len,
|
|
|
1027 r->uri.len - loc_len);
|
|
58
|
1028 }
|
|
|
1029
|
|
|
1030 if (r->args.len > 0) {
|
|
|
1031 *b->last++ = '?';
|
|
122
|
1032 b->last = ngx_copy(b->last, r->args.data, r->args.len);
|
|
58
|
1033 }
|
|
|
1034 }
|
|
|
1035
|
|
104
|
1036 u->uri.len = b->last - u->uri.data;
|
|
|
1037
|
|
58
|
1038 b->last = ngx_cpymem(b->last, ngx_http_proxy_version,
|
|
|
1039 sizeof(ngx_http_proxy_version) - 1);
|
|
|
1040
|
|
126
|
1041 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
58
|
1042
|
|
|
1043 e.ip = plcf->headers_set->elts;
|
|
|
1044 e.pos = b->last;
|
|
|
1045 e.request = r;
|
|
122
|
1046 e.flushed = 1;
|
|
58
|
1047
|
|
|
1048 le.ip = plcf->headers_set_len->elts;
|
|
|
1049
|
|
|
1050 while (*(uintptr_t *) le.ip) {
|
|
|
1051 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
64
|
1052
|
|
|
1053 /* skip the header line name length */
|
|
|
1054 (void) lcode(&le);
|
|
58
|
1055
|
|
|
1056 if (*(ngx_http_script_len_code_pt *) le.ip) {
|
|
|
1057
|
|
|
1058 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) {
|
|
|
1059 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
1060 }
|
|
|
1061
|
|
|
1062 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0;
|
|
|
1063
|
|
|
1064 } else {
|
|
|
1065 e.skip = 0;
|
|
|
1066 }
|
|
|
1067
|
|
|
1068 le.ip += sizeof(uintptr_t);
|
|
|
1069
|
|
|
1070 while (*(uintptr_t *) e.ip) {
|
|
|
1071 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1072 code((ngx_http_script_engine_t *) &e);
|
|
126
|
1073 }
|
|
58
|
1074 e.ip += sizeof(uintptr_t);
|
|
|
1075 }
|
|
|
1076
|
|
|
1077 b->last = e.pos;
|
|
|
1078
|
|
|
1079
|
|
|
1080 if (plcf->upstream.pass_request_headers) {
|
|
|
1081 part = &r->headers_in.headers.part;
|
|
|
1082 header = part->elts;
|
|
126
|
1083
|
|
58
|
1084 for (i = 0; /* void */; i++) {
|
|
|
1085
|
|
|
1086 if (i >= part->nelts) {
|
|
|
1087 if (part->next == NULL) {
|
|
|
1088 break;
|
|
|
1089 }
|
|
|
1090
|
|
|
1091 part = part->next;
|
|
|
1092 header = part->elts;
|
|
126
|
1093 i = 0;
|
|
58
|
1094 }
|
|
|
1095
|
|
198
|
1096 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
1097 header[i].lowcase_key, header[i].key.len))
|
|
58
|
1098 {
|
|
|
1099 continue;
|
|
|
1100 }
|
|
|
1101
|
|
122
|
1102 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len);
|
|
58
|
1103
|
|
|
1104 *b->last++ = ':'; *b->last++ = ' ';
|
|
|
1105
|
|
122
|
1106 b->last = ngx_copy(b->last, header[i].value.data,
|
|
|
1107 header[i].value.len);
|
|
58
|
1108
|
|
|
1109 *b->last++ = CR; *b->last++ = LF;
|
|
|
1110
|
|
|
1111 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1112 "http proxy header: \"%V: %V\"",
|
|
|
1113 &header[i].key, &header[i].value);
|
|
|
1114 }
|
|
|
1115 }
|
|
|
1116
|
|
126
|
1117
|
|
58
|
1118 /* add "\r\n" at the header end */
|
|
|
1119 *b->last++ = CR; *b->last++ = LF;
|
|
|
1120
|
|
126
|
1121 if (plcf->body_set) {
|
|
|
1122 e.ip = plcf->body_set->elts;
|
|
|
1123 e.pos = b->last;
|
|
|
1124
|
|
|
1125 while (*(uintptr_t *) e.ip) {
|
|
|
1126 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1127 code((ngx_http_script_engine_t *) &e);
|
|
|
1128 }
|
|
128
|
1129
|
|
|
1130 b->last = e.pos;
|
|
126
|
1131 }
|
|
|
1132
|
|
358
|
1133 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1134 "http proxy header:\n\"%*s\"",
|
|
|
1135 (size_t) (b->last - b->pos), b->pos);
|
|
58
|
1136
|
|
126
|
1137 if (plcf->body_set == NULL && plcf->upstream.pass_request_body) {
|
|
58
|
1138
|
|
|
1139 body = u->request_bufs;
|
|
|
1140 u->request_bufs = cl;
|
|
|
1141
|
|
|
1142 while (body) {
|
|
|
1143 b = ngx_alloc_buf(r->pool);
|
|
|
1144 if (b == NULL) {
|
|
|
1145 return NGX_ERROR;
|
|
|
1146 }
|
|
|
1147
|
|
|
1148 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
1149
|
|
|
1150 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
1151 if (cl->next == NULL) {
|
|
|
1152 return NGX_ERROR;
|
|
|
1153 }
|
|
|
1154
|
|
|
1155 cl = cl->next;
|
|
|
1156 cl->buf = b;
|
|
|
1157
|
|
|
1158 body = body->next;
|
|
|
1159 }
|
|
|
1160
|
|
160
|
1161 b->flush = 1;
|
|
|
1162
|
|
58
|
1163 } else {
|
|
|
1164 u->request_bufs = cl;
|
|
|
1165 }
|
|
|
1166
|
|
|
1167 cl->next = NULL;
|
|
|
1168
|
|
|
1169 return NGX_OK;
|
|
|
1170 }
|
|
|
1171
|
|
|
1172
|
|
|
1173 static ngx_int_t
|
|
|
1174 ngx_http_proxy_reinit_request(ngx_http_request_t *r)
|
|
|
1175 {
|
|
348
|
1176 ngx_http_proxy_ctx_t *ctx;
|
|
|
1177
|
|
|
1178 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1179
|
|
|
1180 if (ctx == NULL) {
|
|
58
|
1181 return NGX_OK;
|
|
|
1182 }
|
|
|
1183
|
|
348
|
1184 ctx->status = 0;
|
|
|
1185 ctx->status_count = 0;
|
|
|
1186 ctx->status_start = NULL;
|
|
|
1187 ctx->status_end = NULL;
|
|
58
|
1188
|
|
|
1189 r->upstream->process_header = ngx_http_proxy_process_status_line;
|
|
566
|
1190 r->state = 0;
|
|
58
|
1191
|
|
|
1192 return NGX_OK;
|
|
|
1193 }
|
|
|
1194
|
|
|
1195
|
|
|
1196 static ngx_int_t
|
|
|
1197 ngx_http_proxy_process_status_line(ngx_http_request_t *r)
|
|
|
1198 {
|
|
|
1199 ngx_int_t rc;
|
|
|
1200 ngx_http_upstream_t *u;
|
|
348
|
1201 ngx_http_proxy_ctx_t *ctx;
|
|
|
1202
|
|
|
1203 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1204
|
|
|
1205 if (ctx == NULL) {
|
|
356
|
1206 return NGX_ERROR;
|
|
58
|
1207 }
|
|
|
1208
|
|
348
|
1209 rc = ngx_http_proxy_parse_status_line(r, ctx);
|
|
58
|
1210
|
|
|
1211 if (rc == NGX_AGAIN) {
|
|
|
1212 return rc;
|
|
|
1213 }
|
|
|
1214
|
|
|
1215 u = r->upstream;
|
|
|
1216
|
|
|
1217 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) {
|
|
464
|
1218
|
|
|
1219 #if (NGX_HTTP_CACHE)
|
|
|
1220
|
|
|
1221 if (r->cache) {
|
|
|
1222 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
1223 return NGX_OK;
|
|
|
1224 }
|
|
|
1225
|
|
|
1226 #endif
|
|
|
1227
|
|
58
|
1228 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
126
|
1229 "upstream sent no valid HTTP/1.0 header");
|
|
58
|
1230
|
|
168
|
1231 #if 0
|
|
58
|
1232 if (u->accel) {
|
|
|
1233 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1234 }
|
|
168
|
1235 #endif
|
|
58
|
1236
|
|
|
1237 r->http_version = NGX_HTTP_VERSION_9;
|
|
346
|
1238 u->state->status = NGX_HTTP_OK;
|
|
126
|
1239
|
|
58
|
1240 return NGX_OK;
|
|
|
1241 }
|
|
|
1242
|
|
464
|
1243 if (u->state) {
|
|
|
1244 u->state->status = ctx->status;
|
|
|
1245 }
|
|
|
1246
|
|
348
|
1247 u->headers_in.status_n = ctx->status;
|
|
|
1248
|
|
|
1249 u->headers_in.status_line.len = ctx->status_end - ctx->status_start;
|
|
382
|
1250 u->headers_in.status_line.data = ngx_pnalloc(r->pool,
|
|
|
1251 u->headers_in.status_line.len);
|
|
78
|
1252 if (u->headers_in.status_line.data == NULL) {
|
|
356
|
1253 return NGX_ERROR;
|
|
58
|
1254 }
|
|
122
|
1255
|
|
348
|
1256 ngx_memcpy(u->headers_in.status_line.data, ctx->status_start,
|
|
78
|
1257 u->headers_in.status_line.len);
|
|
58
|
1258
|
|
|
1259 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1260 "http proxy status %ui \"%V\"",
|
|
270
|
1261 u->headers_in.status_n, &u->headers_in.status_line);
|
|
58
|
1262
|
|
|
1263 u->process_header = ngx_http_proxy_process_header;
|
|
|
1264
|
|
|
1265 return ngx_http_proxy_process_header(r);
|
|
|
1266 }
|
|
|
1267
|
|
|
1268
|
|
|
1269 static ngx_int_t
|
|
348
|
1270 ngx_http_proxy_parse_status_line(ngx_http_request_t *r,
|
|
|
1271 ngx_http_proxy_ctx_t *ctx)
|
|
58
|
1272 {
|
|
|
1273 u_char ch;
|
|
348
|
1274 u_char *p;
|
|
58
|
1275 ngx_http_upstream_t *u;
|
|
|
1276 enum {
|
|
|
1277 sw_start = 0,
|
|
|
1278 sw_H,
|
|
|
1279 sw_HT,
|
|
|
1280 sw_HTT,
|
|
|
1281 sw_HTTP,
|
|
|
1282 sw_first_major_digit,
|
|
|
1283 sw_major_digit,
|
|
|
1284 sw_first_minor_digit,
|
|
|
1285 sw_minor_digit,
|
|
|
1286 sw_status,
|
|
|
1287 sw_space_after_status,
|
|
|
1288 sw_status_text,
|
|
|
1289 sw_almost_done
|
|
126
|
1290 } state;
|
|
58
|
1291
|
|
|
1292 u = r->upstream;
|
|
|
1293
|
|
|
1294 state = r->state;
|
|
|
1295
|
|
348
|
1296 for (p = u->buffer.pos; p < u->buffer.last; p++) {
|
|
|
1297 ch = *p;
|
|
58
|
1298
|
|
|
1299 switch (state) {
|
|
|
1300
|
|
|
1301 /* "HTTP/" */
|
|
|
1302 case sw_start:
|
|
|
1303 switch (ch) {
|
|
126
|
1304 case 'H':
|
|
58
|
1305 state = sw_H;
|
|
|
1306 break;
|
|
|
1307 default:
|
|
|
1308 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1309 }
|
|
|
1310 break;
|
|
|
1311
|
|
126
|
1312 case sw_H:
|
|
58
|
1313 switch (ch) {
|
|
126
|
1314 case 'T':
|
|
58
|
1315 state = sw_HT;
|
|
|
1316 break;
|
|
|
1317 default:
|
|
|
1318 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1319 }
|
|
|
1320 break;
|
|
|
1321
|
|
|
1322 case sw_HT:
|
|
|
1323 switch (ch) {
|
|
126
|
1324 case 'T':
|
|
58
|
1325 state = sw_HTT;
|
|
|
1326 break;
|
|
|
1327 default:
|
|
|
1328 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1329 }
|
|
|
1330 break;
|
|
|
1331
|
|
|
1332 case sw_HTT:
|
|
|
1333 switch (ch) {
|
|
126
|
1334 case 'P':
|
|
58
|
1335 state = sw_HTTP;
|
|
|
1336 break;
|
|
|
1337 default:
|
|
|
1338 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1339 }
|
|
|
1340 break;
|
|
|
1341
|
|
|
1342 case sw_HTTP:
|
|
|
1343 switch (ch) {
|
|
126
|
1344 case '/':
|
|
58
|
1345 state = sw_first_major_digit;
|
|
|
1346 break;
|
|
|
1347 default:
|
|
|
1348 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1349 }
|
|
|
1350 break;
|
|
|
1351
|
|
|
1352 /* the first digit of major HTTP version */
|
|
|
1353 case sw_first_major_digit:
|
|
|
1354 if (ch < '1' || ch > '9') {
|
|
|
1355 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1356 }
|
|
|
1357
|
|
|
1358 state = sw_major_digit;
|
|
|
1359 break;
|
|
|
1360
|
|
|
1361 /* the major HTTP version or dot */
|
|
|
1362 case sw_major_digit:
|
|
|
1363 if (ch == '.') {
|
|
|
1364 state = sw_first_minor_digit;
|
|
|
1365 break;
|
|
|
1366 }
|
|
|
1367
|
|
|
1368 if (ch < '0' || ch > '9') {
|
|
|
1369 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1370 }
|
|
|
1371
|
|
|
1372 break;
|
|
|
1373
|
|
|
1374 /* the first digit of minor HTTP version */
|
|
|
1375 case sw_first_minor_digit:
|
|
|
1376 if (ch < '0' || ch > '9') {
|
|
|
1377 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1378 }
|
|
|
1379
|
|
|
1380 state = sw_minor_digit;
|
|
|
1381 break;
|
|
|
1382
|
|
|
1383 /* the minor HTTP version or the end of the request line */
|
|
|
1384 case sw_minor_digit:
|
|
|
1385 if (ch == ' ') {
|
|
|
1386 state = sw_status;
|
|
|
1387 break;
|
|
|
1388 }
|
|
|
1389
|
|
|
1390 if (ch < '0' || ch > '9') {
|
|
|
1391 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1392 }
|
|
|
1393
|
|
|
1394 break;
|
|
|
1395
|
|
|
1396 /* HTTP status code */
|
|
|
1397 case sw_status:
|
|
168
|
1398 if (ch == ' ') {
|
|
|
1399 break;
|
|
|
1400 }
|
|
|
1401
|
|
58
|
1402 if (ch < '0' || ch > '9') {
|
|
|
1403 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1404 }
|
|
|
1405
|
|
348
|
1406 ctx->status = ctx->status * 10 + ch - '0';
|
|
|
1407
|
|
|
1408 if (++ctx->status_count == 3) {
|
|
58
|
1409 state = sw_space_after_status;
|
|
348
|
1410 ctx->status_start = p - 2;
|
|
58
|
1411 }
|
|
|
1412
|
|
|
1413 break;
|
|
|
1414
|
|
|
1415 /* space or end of line */
|
|
|
1416 case sw_space_after_status:
|
|
|
1417 switch (ch) {
|
|
126
|
1418 case ' ':
|
|
58
|
1419 state = sw_status_text;
|
|
|
1420 break;
|
|
|
1421 case '.': /* IIS may send 403.1, 403.2, etc */
|
|
|
1422 state = sw_status_text;
|
|
|
1423 break;
|
|
|
1424 case CR:
|
|
|
1425 state = sw_almost_done;
|
|
|
1426 break;
|
|
|
1427 case LF:
|
|
|
1428 goto done;
|
|
|
1429 default:
|
|
|
1430 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1431 }
|
|
|
1432 break;
|
|
|
1433
|
|
|
1434 /* any text until end of line */
|
|
|
1435 case sw_status_text:
|
|
|
1436 switch (ch) {
|
|
|
1437 case CR:
|
|
|
1438 state = sw_almost_done;
|
|
|
1439
|
|
|
1440 break;
|
|
|
1441 case LF:
|
|
|
1442 goto done;
|
|
|
1443 }
|
|
|
1444 break;
|
|
|
1445
|
|
76
|
1446 /* end of status line */
|
|
58
|
1447 case sw_almost_done:
|
|
348
|
1448 ctx->status_end = p - 1;
|
|
58
|
1449 switch (ch) {
|
|
|
1450 case LF:
|
|
|
1451 goto done;
|
|
|
1452 default:
|
|
|
1453 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1454 }
|
|
|
1455 }
|
|
|
1456 }
|
|
|
1457
|
|
348
|
1458 u->buffer.pos = p;
|
|
58
|
1459 r->state = state;
|
|
|
1460
|
|
|
1461 return NGX_AGAIN;
|
|
|
1462
|
|
|
1463 done:
|
|
|
1464
|
|
348
|
1465 u->buffer.pos = p + 1;
|
|
|
1466
|
|
|
1467 if (ctx->status_end == NULL) {
|
|
|
1468 ctx->status_end = p;
|
|
58
|
1469 }
|
|
|
1470
|
|
|
1471 r->state = sw_start;
|
|
|
1472
|
|
|
1473 return NGX_OK;
|
|
|
1474 }
|
|
|
1475
|
|
|
1476
|
|
|
1477 static ngx_int_t
|
|
|
1478 ngx_http_proxy_process_header(ngx_http_request_t *r)
|
|
|
1479 {
|
|
|
1480 ngx_int_t rc;
|
|
|
1481 ngx_table_elt_t *h;
|
|
|
1482 ngx_http_upstream_header_t *hh;
|
|
|
1483 ngx_http_upstream_main_conf_t *umcf;
|
|
|
1484
|
|
|
1485 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
1486
|
|
378
|
1487 for ( ;; ) {
|
|
58
|
1488
|
|
412
|
1489 rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1);
|
|
58
|
1490
|
|
|
1491 if (rc == NGX_OK) {
|
|
|
1492
|
|
|
1493 /* a header line has been parsed successfully */
|
|
|
1494
|
|
|
1495 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1496 if (h == NULL) {
|
|
356
|
1497 return NGX_ERROR;
|
|
58
|
1498 }
|
|
|
1499
|
|
|
1500 h->hash = r->header_hash;
|
|
|
1501
|
|
|
1502 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
1503 h->value.len = r->header_end - r->header_start;
|
|
|
1504
|
|
382
|
1505 h->key.data = ngx_pnalloc(r->pool,
|
|
198
|
1506 h->key.len + 1 + h->value.len + 1 + h->key.len);
|
|
58
|
1507 if (h->key.data == NULL) {
|
|
356
|
1508 return NGX_ERROR;
|
|
58
|
1509 }
|
|
|
1510
|
|
|
1511 h->value.data = h->key.data + h->key.len + 1;
|
|
198
|
1512 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1;
|
|
58
|
1513
|
|
|
1514 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
|
1515 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
|
1516
|
|
198
|
1517 if (h->key.len == r->lowcase_index) {
|
|
|
1518 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
1519
|
|
|
1520 } else {
|
|
392
|
1521 ngx_strlow(h->lowcase_key, h->key.data, h->key.len);
|
|
58
|
1522 }
|
|
|
1523
|
|
198
|
1524 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash,
|
|
|
1525 h->lowcase_key, h->key.len);
|
|
|
1526
|
|
|
1527 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
356
|
1528 return NGX_ERROR;
|
|
198
|
1529 }
|
|
|
1530
|
|
58
|
1531 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1532 "http proxy header: \"%V: %V\"",
|
|
|
1533 &h->key, &h->value);
|
|
|
1534
|
|
|
1535 continue;
|
|
|
1536 }
|
|
|
1537
|
|
|
1538 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
|
1539
|
|
|
1540 /* a whole header has been parsed successfully */
|
|
|
1541
|
|
|
1542 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1543 "http proxy header done");
|
|
|
1544
|
|
198
|
1545 /*
|
|
|
1546 * if no "Server" and "Date" in header line,
|
|
|
1547 * then add the special empty headers
|
|
|
1548 */
|
|
|
1549
|
|
|
1550 if (r->upstream->headers_in.server == NULL) {
|
|
|
1551 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1552 if (h == NULL) {
|
|
356
|
1553 return NGX_ERROR;
|
|
198
|
1554 }
|
|
|
1555
|
|
|
1556 h->hash = ngx_hash(ngx_hash(ngx_hash(ngx_hash(
|
|
|
1557 ngx_hash('s', 'e'), 'r'), 'v'), 'e'), 'r');
|
|
|
1558
|
|
570
|
1559 ngx_str_set(&h->key, "Server");
|
|
|
1560 ngx_str_null(&h->value);
|
|
198
|
1561 h->lowcase_key = (u_char *) "server";
|
|
|
1562 }
|
|
|
1563
|
|
|
1564 if (r->upstream->headers_in.date == NULL) {
|
|
|
1565 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1566 if (h == NULL) {
|
|
356
|
1567 return NGX_ERROR;
|
|
198
|
1568 }
|
|
|
1569
|
|
|
1570 h->hash = ngx_hash(ngx_hash(ngx_hash('d', 'a'), 't'), 'e');
|
|
|
1571
|
|
570
|
1572 ngx_str_set(&h->key, "Date");
|
|
|
1573 ngx_str_null(&h->value);
|
|
198
|
1574 h->lowcase_key = (u_char *) "date";
|
|
|
1575 }
|
|
|
1576
|
|
58
|
1577 return NGX_OK;
|
|
|
1578 }
|
|
|
1579
|
|
70
|
1580 if (rc == NGX_AGAIN) {
|
|
|
1581 return NGX_AGAIN;
|
|
|
1582 }
|
|
|
1583
|
|
58
|
1584 /* there was error while a header line parsing */
|
|
|
1585
|
|
|
1586 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
168
|
1587 "upstream sent invalid header");
|
|
58
|
1588
|
|
|
1589 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1590 }
|
|
|
1591 }
|
|
|
1592
|
|
|
1593
|
|
|
1594 static void
|
|
|
1595 ngx_http_proxy_abort_request(ngx_http_request_t *r)
|
|
|
1596 {
|
|
|
1597 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1598 "abort http proxy request");
|
|
126
|
1599
|
|
58
|
1600 return;
|
|
|
1601 }
|
|
|
1602
|
|
|
1603
|
|
|
1604 static void
|
|
|
1605 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
126
|
1606 {
|
|
58
|
1607 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1608 "finalize http proxy request");
|
|
|
1609
|
|
|
1610 return;
|
|
|
1611 }
|
|
|
1612
|
|
|
1613
|
|
122
|
1614 static ngx_int_t
|
|
|
1615 ngx_http_proxy_host_variable(ngx_http_request_t *r,
|
|
|
1616 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1617 {
|
|
348
|
1618 ngx_http_proxy_ctx_t *ctx;
|
|
|
1619
|
|
|
1620 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1621
|
|
|
1622 if (ctx == NULL) {
|
|
|
1623 v->not_found = 1;
|
|
|
1624 return NGX_OK;
|
|
|
1625 }
|
|
|
1626
|
|
|
1627 v->len = ctx->vars.host_header.len;
|
|
126
|
1628 v->valid = 1;
|
|
340
|
1629 v->no_cacheable = 0;
|
|
122
|
1630 v->not_found = 0;
|
|
348
|
1631 v->data = ctx->vars.host_header.data;
|
|
58
|
1632
|
|
122
|
1633 return NGX_OK;
|
|
58
|
1634 }
|
|
|
1635
|
|
|
1636
|
|
122
|
1637 static ngx_int_t
|
|
|
1638 ngx_http_proxy_port_variable(ngx_http_request_t *r,
|
|
|
1639 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1640 {
|
|
348
|
1641 ngx_http_proxy_ctx_t *ctx;
|
|
|
1642
|
|
|
1643 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1644
|
|
|
1645 if (ctx == NULL) {
|
|
|
1646 v->not_found = 1;
|
|
|
1647 return NGX_OK;
|
|
|
1648 }
|
|
|
1649
|
|
|
1650 v->len = ctx->vars.port.len;
|
|
126
|
1651 v->valid = 1;
|
|
340
|
1652 v->no_cacheable = 0;
|
|
122
|
1653 v->not_found = 0;
|
|
348
|
1654 v->data = ctx->vars.port.data;
|
|
58
|
1655
|
|
122
|
1656 return NGX_OK;
|
|
58
|
1657 }
|
|
|
1658
|
|
|
1659
|
|
122
|
1660 static ngx_int_t
|
|
58
|
1661 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
|
|
122
|
1662 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1663 {
|
|
122
|
1664 u_char *p;
|
|
58
|
1665
|
|
126
|
1666 v->valid = 1;
|
|
340
|
1667 v->no_cacheable = 0;
|
|
122
|
1668 v->not_found = 0;
|
|
58
|
1669
|
|
|
1670 if (r->headers_in.x_forwarded_for == NULL) {
|
|
122
|
1671 v->len = r->connection->addr_text.len;
|
|
|
1672 v->data = r->connection->addr_text.data;
|
|
|
1673 return NGX_OK;
|
|
58
|
1674 }
|
|
|
1675
|
|
122
|
1676 v->len = r->headers_in.x_forwarded_for->value.len
|
|
|
1677 + sizeof(", ") - 1 + r->connection->addr_text.len;
|
|
58
|
1678
|
|
382
|
1679 p = ngx_pnalloc(r->pool, v->len);
|
|
58
|
1680 if (p == NULL) {
|
|
122
|
1681 return NGX_ERROR;
|
|
58
|
1682 }
|
|
|
1683
|
|
122
|
1684 v->data = p;
|
|
58
|
1685
|
|
122
|
1686 p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data,
|
|
|
1687 r->headers_in.x_forwarded_for->value.len);
|
|
58
|
1688
|
|
|
1689 *p++ = ','; *p++ = ' ';
|
|
|
1690
|
|
|
1691 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len);
|
|
|
1692
|
|
122
|
1693 return NGX_OK;
|
|
58
|
1694 }
|
|
|
1695
|
|
|
1696
|
|
|
1697 static ngx_int_t
|
|
126
|
1698 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
|
|
|
1699 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1700 {
|
|
348
|
1701 ngx_http_proxy_ctx_t *ctx;
|
|
|
1702
|
|
|
1703 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1704
|
|
|
1705 if (ctx == NULL) {
|
|
126
|
1706 v->not_found = 1;
|
|
|
1707 return NGX_OK;
|
|
|
1708 }
|
|
|
1709
|
|
|
1710 v->valid = 1;
|
|
340
|
1711 v->no_cacheable = 0;
|
|
126
|
1712 v->not_found = 0;
|
|
|
1713
|
|
382
|
1714 v->data = ngx_pnalloc(r->connection->pool, NGX_SIZE_T_LEN);
|
|
126
|
1715
|
|
|
1716 if (v->data == NULL) {
|
|
|
1717 return NGX_ERROR;
|
|
|
1718 }
|
|
|
1719
|
|
348
|
1720 v->len = ngx_sprintf(v->data, "%uz", ctx->internal_body_length) - v->data;
|
|
126
|
1721
|
|
|
1722 return NGX_OK;
|
|
|
1723 }
|
|
|
1724
|
|
|
1725
|
|
|
1726 static ngx_int_t
|
|
58
|
1727 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1728 size_t prefix)
|
|
|
1729 {
|
|
|
1730 ngx_int_t rc;
|
|
|
1731 ngx_uint_t i;
|
|
|
1732 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1733 ngx_http_proxy_redirect_t *pr;
|
|
|
1734
|
|
|
1735 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1736
|
|
|
1737 pr = plcf->redirects->elts;
|
|
|
1738
|
|
|
1739 if (pr == NULL) {
|
|
|
1740 return NGX_DECLINED;
|
|
|
1741 }
|
|
|
1742
|
|
|
1743 for (i = 0; i < plcf->redirects->nelts; i++) {
|
|
154
|
1744 rc = pr[i].handler(r, h, prefix, &pr[i]);
|
|
58
|
1745
|
|
|
1746 if (rc != NGX_DECLINED) {
|
|
|
1747 return rc;
|
|
|
1748 }
|
|
|
1749 }
|
|
|
1750
|
|
|
1751 return NGX_DECLINED;
|
|
|
1752 }
|
|
|
1753
|
|
|
1754
|
|
|
1755 static ngx_int_t
|
|
|
1756 ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1757 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1758 {
|
|
|
1759 size_t len;
|
|
|
1760 u_char *data, *p;
|
|
|
1761
|
|
|
1762 if (pr->redirect.len > h->value.len - prefix
|
|
|
1763 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1764 pr->redirect.len) != 0)
|
|
|
1765 {
|
|
|
1766 return NGX_DECLINED;
|
|
|
1767 }
|
|
|
1768
|
|
|
1769 len = prefix + pr->replacement.text.len + h->value.len - pr->redirect.len;
|
|
|
1770
|
|
382
|
1771 data = ngx_pnalloc(r->pool, len);
|
|
58
|
1772 if (data == NULL) {
|
|
|
1773 return NGX_ERROR;
|
|
|
1774 }
|
|
|
1775
|
|
|
1776 p = data;
|
|
|
1777
|
|
122
|
1778 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1779
|
|
202
|
1780 if (pr->replacement.text.len) {
|
|
|
1781 p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len);
|
|
|
1782 }
|
|
58
|
1783
|
|
|
1784 ngx_memcpy(p, h->value.data + prefix + pr->redirect.len,
|
|
|
1785 h->value.len - pr->redirect.len - prefix);
|
|
|
1786
|
|
|
1787 h->value.len = len;
|
|
|
1788 h->value.data = data;
|
|
|
1789
|
|
|
1790 return NGX_OK;
|
|
|
1791 }
|
|
|
1792
|
|
|
1793
|
|
|
1794 static ngx_int_t
|
|
|
1795 ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1796 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1797 {
|
|
|
1798 size_t len;
|
|
|
1799 u_char *data, *p;
|
|
|
1800 ngx_http_script_code_pt code;
|
|
|
1801 ngx_http_script_engine_t e;
|
|
|
1802 ngx_http_script_len_code_pt lcode;
|
|
|
1803
|
|
|
1804 if (pr->redirect.len > h->value.len - prefix
|
|
|
1805 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1806 pr->redirect.len) != 0)
|
|
|
1807 {
|
|
|
1808 return NGX_DECLINED;
|
|
|
1809 }
|
|
|
1810
|
|
|
1811 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
1812
|
|
|
1813 e.ip = pr->replacement.vars.lengths;
|
|
|
1814 e.request = r;
|
|
|
1815
|
|
238
|
1816 len = prefix + h->value.len - pr->redirect.len;
|
|
|
1817
|
|
|
1818 while (*(uintptr_t *) e.ip) {
|
|
58
|
1819 lcode = *(ngx_http_script_len_code_pt *) e.ip;
|
|
238
|
1820 len += lcode(&e);
|
|
58
|
1821 }
|
|
|
1822
|
|
382
|
1823 data = ngx_pnalloc(r->pool, len);
|
|
58
|
1824 if (data == NULL) {
|
|
|
1825 return NGX_ERROR;
|
|
|
1826 }
|
|
|
1827
|
|
|
1828 p = data;
|
|
|
1829
|
|
122
|
1830 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1831
|
|
|
1832 e.ip = pr->replacement.vars.values;
|
|
|
1833 e.pos = p;
|
|
|
1834
|
|
|
1835 while (*(uintptr_t *) e.ip) {
|
|
|
1836 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1837 code(&e);
|
|
|
1838 }
|
|
|
1839
|
|
238
|
1840 ngx_memcpy(e.pos, h->value.data + prefix + pr->redirect.len,
|
|
|
1841 h->value.len - pr->redirect.len - prefix);
|
|
|
1842
|
|
58
|
1843 h->value.len = len;
|
|
|
1844 h->value.data = data;
|
|
|
1845
|
|
|
1846 return NGX_OK;
|
|
|
1847 }
|
|
|
1848
|
|
|
1849
|
|
|
1850 static ngx_int_t
|
|
|
1851 ngx_http_proxy_add_variables(ngx_conf_t *cf)
|
|
|
1852 {
|
|
|
1853 ngx_http_variable_t *var, *v;
|
|
|
1854
|
|
|
1855 for (v = ngx_http_proxy_vars; v->name.len; v++) {
|
|
|
1856 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
1857 if (var == NULL) {
|
|
|
1858 return NGX_ERROR;
|
|
|
1859 }
|
|
|
1860
|
|
186
|
1861 var->get_handler = v->get_handler;
|
|
58
|
1862 var->data = v->data;
|
|
|
1863 }
|
|
|
1864
|
|
|
1865 return NGX_OK;
|
|
|
1866 }
|
|
|
1867
|
|
|
1868
|
|
|
1869 static void *
|
|
|
1870 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
|
|
|
1871 {
|
|
|
1872 ngx_http_proxy_loc_conf_t *conf;
|
|
|
1873
|
|
|
1874 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t));
|
|
|
1875 if (conf == NULL) {
|
|
496
|
1876 return NULL;
|
|
58
|
1877 }
|
|
|
1878
|
|
|
1879 /*
|
|
|
1880 * set by ngx_pcalloc():
|
|
|
1881 *
|
|
|
1882 * conf->upstream.bufs.num = 0;
|
|
484
|
1883 * conf->upstream.ignore_headers = 0;
|
|
58
|
1884 * conf->upstream.next_upstream = 0;
|
|
494
|
1885 * conf->upstream.cache_use_stale = 0;
|
|
|
1886 * conf->upstream.cache_methods = 0;
|
|
58
|
1887 * conf->upstream.temp_path = NULL;
|
|
198
|
1888 * conf->upstream.hide_headers_hash = { NULL, 0 };
|
|
58
|
1889 * conf->upstream.uri = { 0, NULL };
|
|
|
1890 * conf->upstream.location = NULL;
|
|
320
|
1891 * conf->upstream.store_lengths = NULL;
|
|
|
1892 * conf->upstream.store_values = NULL;
|
|
58
|
1893 *
|
|
110
|
1894 * conf->method = NULL;
|
|
58
|
1895 * conf->headers_source = NULL;
|
|
|
1896 * conf->headers_set_len = NULL;
|
|
|
1897 * conf->headers_set = NULL;
|
|
|
1898 * conf->headers_set_hash = NULL;
|
|
126
|
1899 * conf->body_set_len = NULL;
|
|
|
1900 * conf->body_set = NULL;
|
|
|
1901 * conf->body_source = { 0, NULL };
|
|
566
|
1902 * conf->redirects = NULL;
|
|
58
|
1903 */
|
|
126
|
1904
|
|
320
|
1905 conf->upstream.store = NGX_CONF_UNSET;
|
|
|
1906 conf->upstream.store_access = NGX_CONF_UNSET_UINT;
|
|
130
|
1907 conf->upstream.buffering = NGX_CONF_UNSET;
|
|
178
|
1908 conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
|
|
130
|
1909
|
|
58
|
1910 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1911 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1912 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1913
|
|
|
1914 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
130
|
1915 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
78
|
1916
|
|
|
1917 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
126
|
1918 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
78
|
1919 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
58
|
1920
|
|
|
1921 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
|
1922 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
110
|
1923
|
|
464
|
1924 #if (NGX_HTTP_CACHE)
|
|
|
1925 conf->upstream.cache = NGX_CONF_UNSET_PTR;
|
|
|
1926 conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT;
|
|
572
|
1927 conf->upstream.no_cache = NGX_CONF_UNSET_PTR;
|
|
464
|
1928 conf->upstream.cache_valid = NGX_CONF_UNSET_PTR;
|
|
|
1929 #endif
|
|
|
1930
|
|
356
|
1931 conf->upstream.hide_headers = NGX_CONF_UNSET_PTR;
|
|
|
1932 conf->upstream.pass_headers = NGX_CONF_UNSET_PTR;
|
|
|
1933
|
|
206
|
1934 conf->upstream.intercept_errors = NGX_CONF_UNSET;
|
|
398
|
1935 #if (NGX_HTTP_SSL)
|
|
|
1936 conf->upstream.ssl_session_reuse = NGX_CONF_UNSET;
|
|
|
1937 #endif
|
|
58
|
1938
|
|
|
1939 /* "proxy_cyclic_temp_file" is disabled */
|
|
|
1940 conf->upstream.cyclic_temp_file = 0;
|
|
|
1941
|
|
|
1942 conf->redirect = NGX_CONF_UNSET;
|
|
198
|
1943 conf->upstream.change_buffering = 1;
|
|
58
|
1944
|
|
298
|
1945 conf->headers_hash_max_size = NGX_CONF_UNSET_UINT;
|
|
|
1946 conf->headers_hash_bucket_size = NGX_CONF_UNSET_UINT;
|
|
|
1947
|
|
58
|
1948 return conf;
|
|
|
1949 }
|
|
|
1950
|
|
|
1951
|
|
|
1952 static char *
|
|
|
1953 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1954 {
|
|
|
1955 ngx_http_proxy_loc_conf_t *prev = parent;
|
|
|
1956 ngx_http_proxy_loc_conf_t *conf = child;
|
|
|
1957
|
|
464
|
1958 size_t size;
|
|
480
|
1959 ngx_str_t *h;
|
|
464
|
1960 ngx_keyval_t *s;
|
|
|
1961 ngx_hash_init_t hash;
|
|
|
1962 ngx_http_proxy_redirect_t *pr;
|
|
|
1963 ngx_http_script_compile_t sc;
|
|
58
|
1964
|
|
320
|
1965 if (conf->upstream.store != 0) {
|
|
|
1966 ngx_conf_merge_value(conf->upstream.store,
|
|
496
|
1967 prev->upstream.store, 0);
|
|
320
|
1968
|
|
|
1969 if (conf->upstream.store_lengths == NULL) {
|
|
|
1970 conf->upstream.store_lengths = prev->upstream.store_lengths;
|
|
|
1971 conf->upstream.store_values = prev->upstream.store_values;
|
|
|
1972 }
|
|
|
1973 }
|
|
|
1974
|
|
|
1975 ngx_conf_merge_uint_value(conf->upstream.store_access,
|
|
|
1976 prev->upstream.store_access, 0600);
|
|
318
|
1977
|
|
130
|
1978 ngx_conf_merge_value(conf->upstream.buffering,
|
|
|
1979 prev->upstream.buffering, 1);
|
|
|
1980
|
|
178
|
1981 ngx_conf_merge_value(conf->upstream.ignore_client_abort,
|
|
|
1982 prev->upstream.ignore_client_abort, 0);
|
|
|
1983
|
|
58
|
1984 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
1985 prev->upstream.connect_timeout, 60000);
|
|
|
1986
|
|
|
1987 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
1988 prev->upstream.send_timeout, 60000);
|
|
|
1989
|
|
|
1990 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
1991 prev->upstream.read_timeout, 60000);
|
|
|
1992
|
|
|
1993 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
|
1994 prev->upstream.send_lowat, 0);
|
|
|
1995
|
|
130
|
1996 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
|
1997 prev->upstream.buffer_size,
|
|
58
|
1998 (size_t) ngx_pagesize);
|
|
|
1999
|
|
|
2000 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
|
2001 8, ngx_pagesize);
|
|
|
2002
|
|
|
2003 if (conf->upstream.bufs.num < 2) {
|
|
126
|
2004 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
58
|
2005 "there must be at least 2 \"proxy_buffers\"");
|
|
|
2006 return NGX_CONF_ERROR;
|
|
|
2007 }
|
|
126
|
2008
|
|
58
|
2009
|
|
130
|
2010 size = conf->upstream.buffer_size;
|
|
126
|
2011 if (size < conf->upstream.bufs.size) {
|
|
58
|
2012 size = conf->upstream.bufs.size;
|
|
|
2013 }
|
|
|
2014
|
|
|
2015
|
|
78
|
2016 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
|
2017 prev->upstream.busy_buffers_size_conf,
|
|
58
|
2018 NGX_CONF_UNSET_SIZE);
|
|
|
2019
|
|
78
|
2020 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
2021 conf->upstream.busy_buffers_size = 2 * size;
|
|
78
|
2022 } else {
|
|
|
2023 conf->upstream.busy_buffers_size =
|
|
|
2024 conf->upstream.busy_buffers_size_conf;
|
|
|
2025 }
|
|
126
|
2026
|
|
78
|
2027 if (conf->upstream.busy_buffers_size < size) {
|
|
58
|
2028 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2029 "\"proxy_busy_buffers_size\" must be equal or bigger than "
|
|
288
|
2030 "maximum of the value of \"proxy_buffer_size\" and "
|
|
58
|
2031 "one of the \"proxy_buffers\"");
|
|
|
2032
|
|
|
2033 return NGX_CONF_ERROR;
|
|
78
|
2034 }
|
|
58
|
2035
|
|
78
|
2036 if (conf->upstream.busy_buffers_size
|
|
|
2037 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
58
|
2038 {
|
|
|
2039 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2040 "\"proxy_busy_buffers_size\" must be less than "
|
|
|
2041 "the size of all \"proxy_buffers\" minus one buffer");
|
|
|
2042
|
|
|
2043 return NGX_CONF_ERROR;
|
|
|
2044 }
|
|
78
|
2045
|
|
58
|
2046
|
|
78
|
2047 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
|
2048 prev->upstream.temp_file_write_size_conf,
|
|
58
|
2049 NGX_CONF_UNSET_SIZE);
|
|
|
2050
|
|
78
|
2051 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
2052 conf->upstream.temp_file_write_size = 2 * size;
|
|
78
|
2053 } else {
|
|
|
2054 conf->upstream.temp_file_write_size =
|
|
|
2055 conf->upstream.temp_file_write_size_conf;
|
|
|
2056 }
|
|
126
|
2057
|
|
78
|
2058 if (conf->upstream.temp_file_write_size < size) {
|
|
58
|
2059 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2060 "\"proxy_temp_file_write_size\" must be equal or bigger than "
|
|
288
|
2061 "maximum of the value of \"proxy_buffer_size\" and "
|
|
58
|
2062 "one of the \"proxy_buffers\"");
|
|
|
2063
|
|
|
2064 return NGX_CONF_ERROR;
|
|
|
2065 }
|
|
|
2066
|
|
78
|
2067 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
|
2068 prev->upstream.max_temp_file_size_conf,
|
|
58
|
2069 NGX_CONF_UNSET_SIZE);
|
|
|
2070
|
|
78
|
2071 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
2072 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
78
|
2073 } else {
|
|
|
2074 conf->upstream.max_temp_file_size =
|
|
|
2075 conf->upstream.max_temp_file_size_conf;
|
|
|
2076 }
|
|
58
|
2077
|
|
78
|
2078 if (conf->upstream.max_temp_file_size != 0
|
|
|
2079 && conf->upstream.max_temp_file_size < size)
|
|
58
|
2080 {
|
|
|
2081 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
110
|
2082 "\"proxy_max_temp_file_size\" must be equal to zero to disable "
|
|
58
|
2083 "the temporary files usage or must be equal or bigger than "
|
|
288
|
2084 "maximum of the value of \"proxy_buffer_size\" and "
|
|
110
|
2085 "one of the \"proxy_buffers\"");
|
|
58
|
2086
|
|
|
2087 return NGX_CONF_ERROR;
|
|
|
2088 }
|
|
|
2089
|
|
78
|
2090
|
|
484
|
2091 ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers,
|
|
|
2092 prev->upstream.ignore_headers,
|
|
|
2093 NGX_CONF_BITMASK_SET);
|
|
|
2094
|
|
|
2095
|
|
58
|
2096 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
2097 prev->upstream.next_upstream,
|
|
|
2098 (NGX_CONF_BITMASK_SET
|
|
|
2099 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
2100 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
2101
|
|
214
|
2102 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
2103 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
|
|
|
2104 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
2105 }
|
|
|
2106
|
|
464
|
2107 if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path,
|
|
58
|
2108 prev->upstream.temp_path,
|
|
464
|
2109 &ngx_http_proxy_temp_path)
|
|
|
2110 != NGX_OK)
|
|
|
2111 {
|
|
|
2112 return NGX_CONF_ERROR;
|
|
|
2113 }
|
|
|
2114
|
|
|
2115
|
|
|
2116 #if (NGX_HTTP_CACHE)
|
|
|
2117
|
|
|
2118 ngx_conf_merge_ptr_value(conf->upstream.cache,
|
|
|
2119 prev->upstream.cache, NULL);
|
|
|
2120
|
|
|
2121 if (conf->upstream.cache && conf->upstream.cache->data == NULL) {
|
|
|
2122 ngx_shm_zone_t *shm_zone;
|
|
|
2123
|
|
|
2124 shm_zone = conf->upstream.cache;
|
|
|
2125
|
|
|
2126 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2127 "\"proxy_cache\" zone \"%V\" is unknown",
|
|
480
|
2128 &shm_zone->shm.name);
|
|
464
|
2129
|
|
|
2130 return NGX_CONF_ERROR;
|
|
|
2131 }
|
|
|
2132
|
|
|
2133 ngx_conf_merge_uint_value(conf->upstream.cache_min_uses,
|
|
|
2134 prev->upstream.cache_min_uses, 1);
|
|
|
2135
|
|
|
2136 ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale,
|
|
|
2137 prev->upstream.cache_use_stale,
|
|
|
2138 (NGX_CONF_BITMASK_SET
|
|
|
2139 |NGX_HTTP_UPSTREAM_FT_OFF));
|
|
|
2140
|
|
494
|
2141 if (conf->upstream.cache_methods == 0) {
|
|
|
2142 conf->upstream.cache_methods = prev->upstream.cache_methods;
|
|
|
2143 }
|
|
|
2144
|
|
|
2145 conf->upstream.cache_methods |= NGX_HTTP_GET|NGX_HTTP_HEAD;
|
|
|
2146
|
|
464
|
2147 if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
2148 conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET
|
|
|
2149 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
2150 }
|
|
|
2151
|
|
572
|
2152 ngx_conf_merge_ptr_value(conf->upstream.no_cache,
|
|
|
2153 prev->upstream.no_cache, NULL);
|
|
|
2154
|
|
464
|
2155 ngx_conf_merge_ptr_value(conf->upstream.cache_valid,
|
|
|
2156 prev->upstream.cache_valid, NULL);
|
|
|
2157
|
|
472
|
2158 if (conf->cache_key.value.data == NULL) {
|
|
|
2159 conf->cache_key = prev->cache_key;
|
|
|
2160 }
|
|
|
2161
|
|
464
|
2162 #endif
|
|
58
|
2163
|
|
110
|
2164 if (conf->method.len == 0) {
|
|
|
2165 conf->method = prev->method;
|
|
|
2166
|
|
|
2167 } else {
|
|
|
2168 conf->method.data[conf->method.len] = ' ';
|
|
|
2169 conf->method.len++;
|
|
58
|
2170 }
|
|
|
2171
|
|
|
2172 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
|
2173 prev->upstream.pass_request_headers, 1);
|
|
|
2174 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
|
2175 prev->upstream.pass_request_body, 1);
|
|
|
2176
|
|
206
|
2177 ngx_conf_merge_value(conf->upstream.intercept_errors,
|
|
|
2178 prev->upstream.intercept_errors, 0);
|
|
58
|
2179
|
|
398
|
2180 #if (NGX_HTTP_SSL)
|
|
|
2181 ngx_conf_merge_value(conf->upstream.ssl_session_reuse,
|
|
|
2182 prev->upstream.ssl_session_reuse, 1);
|
|
|
2183 #endif
|
|
|
2184
|
|
58
|
2185 ngx_conf_merge_value(conf->redirect, prev->redirect, 1);
|
|
|
2186
|
|
|
2187 if (conf->redirect) {
|
|
|
2188
|
|
|
2189 if (conf->redirects == NULL) {
|
|
|
2190 conf->redirects = prev->redirects;
|
|
|
2191 }
|
|
|
2192
|
|
348
|
2193 if (conf->redirects == NULL && conf->url.data) {
|
|
58
|
2194
|
|
|
2195 conf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
2196 sizeof(ngx_http_proxy_redirect_t));
|
|
|
2197 if (conf->redirects == NULL) {
|
|
|
2198 return NGX_CONF_ERROR;
|
|
|
2199 }
|
|
|
2200
|
|
|
2201 pr = ngx_array_push(conf->redirects);
|
|
|
2202 if (pr == NULL) {
|
|
|
2203 return NGX_CONF_ERROR;
|
|
|
2204 }
|
|
|
2205
|
|
|
2206 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
348
|
2207 pr->redirect = conf->url;
|
|
|
2208
|
|
|
2209 if (conf->vars.uri.len) {
|
|
|
2210 pr->replacement.text = conf->location;
|
|
202
|
2211
|
|
|
2212 } else {
|
|
570
|
2213 ngx_str_null(&pr->replacement.text);
|
|
202
|
2214 }
|
|
58
|
2215 }
|
|
|
2216 }
|
|
|
2217
|
|
348
|
2218 /* STUB */
|
|
|
2219 if (prev->proxy_lengths) {
|
|
|
2220 conf->proxy_lengths = prev->proxy_lengths;
|
|
|
2221 conf->proxy_values = prev->proxy_values;
|
|
|
2222 }
|
|
|
2223
|
|
482
|
2224 #if (NGX_HTTP_SSL)
|
|
|
2225 if (conf->upstream.ssl == NULL) {
|
|
|
2226 conf->upstream.ssl = prev->upstream.ssl;
|
|
|
2227 }
|
|
|
2228 #endif
|
|
|
2229
|
|
298
|
2230 ngx_conf_merge_uint_value(conf->headers_hash_max_size,
|
|
|
2231 prev->headers_hash_max_size, 512);
|
|
|
2232
|
|
|
2233 ngx_conf_merge_uint_value(conf->headers_hash_bucket_size,
|
|
|
2234 prev->headers_hash_bucket_size, 64);
|
|
|
2235
|
|
|
2236 conf->headers_hash_bucket_size = ngx_align(conf->headers_hash_bucket_size,
|
|
|
2237 ngx_cacheline_size);
|
|
|
2238
|
|
356
|
2239 hash.max_size = conf->headers_hash_max_size;
|
|
|
2240 hash.bucket_size = conf->headers_hash_bucket_size;
|
|
|
2241 hash.name = "proxy_headers_hash";
|
|
|
2242
|
|
480
|
2243 #if (NGX_HTTP_CACHE)
|
|
|
2244
|
|
|
2245 h = conf->upstream.cache ? ngx_http_proxy_hide_cache_headers:
|
|
|
2246 ngx_http_proxy_hide_headers;
|
|
|
2247 #else
|
|
|
2248
|
|
|
2249 h = ngx_http_proxy_hide_headers;
|
|
|
2250
|
|
|
2251 #endif
|
|
|
2252
|
|
356
|
2253 if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream,
|
|
480
|
2254 &prev->upstream, h, &hash)
|
|
198
|
2255 != NGX_OK)
|
|
|
2256 {
|
|
|
2257 return NGX_CONF_ERROR;
|
|
|
2258 }
|
|
|
2259
|
|
260
|
2260 if (conf->upstream.upstream == NULL) {
|
|
|
2261 conf->upstream.upstream = prev->upstream.upstream;
|
|
348
|
2262 conf->vars = prev->vars;
|
|
58
|
2263 }
|
|
|
2264
|
|
126
|
2265
|
|
|
2266 if (conf->body_source.data == NULL) {
|
|
|
2267 conf->body_source = prev->body_source;
|
|
|
2268 conf->body_set_len = prev->body_set_len;
|
|
|
2269 conf->body_set = prev->body_set;
|
|
|
2270 }
|
|
|
2271
|
|
128
|
2272 if (conf->body_source.data && conf->body_set_len == NULL) {
|
|
126
|
2273
|
|
|
2274 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2275
|
|
|
2276 sc.cf = cf;
|
|
|
2277 sc.source = &conf->body_source;
|
|
|
2278 sc.flushes = &conf->flushes;
|
|
|
2279 sc.lengths = &conf->body_set_len;
|
|
|
2280 sc.values = &conf->body_set;
|
|
|
2281 sc.complete_lengths = 1;
|
|
|
2282 sc.complete_values = 1;
|
|
|
2283
|
|
|
2284 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2285 return NGX_CONF_ERROR;
|
|
|
2286 }
|
|
|
2287
|
|
|
2288 if (conf->headers_source == NULL) {
|
|
|
2289 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
2290 sizeof(ngx_keyval_t));
|
|
126
|
2291 if (conf->headers_source == NULL) {
|
|
|
2292 return NGX_CONF_ERROR;
|
|
|
2293 }
|
|
|
2294 }
|
|
|
2295
|
|
|
2296 s = ngx_array_push(conf->headers_source);
|
|
|
2297 if (s == NULL) {
|
|
|
2298 return NGX_CONF_ERROR;
|
|
|
2299 }
|
|
|
2300
|
|
570
|
2301 ngx_str_set(&s->key, "Content-Length");
|
|
|
2302 ngx_str_set(&s->value, "$proxy_internal_body_length");
|
|
126
|
2303 }
|
|
|
2304
|
|
464
|
2305 if (ngx_http_proxy_merge_headers(cf, conf, prev) != NGX_OK) {
|
|
|
2306 return NGX_CONF_ERROR;
|
|
|
2307 }
|
|
|
2308
|
|
|
2309 return NGX_CONF_OK;
|
|
|
2310 }
|
|
|
2311
|
|
|
2312
|
|
|
2313 static ngx_int_t
|
|
|
2314 ngx_http_proxy_merge_headers(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *conf,
|
|
|
2315 ngx_http_proxy_loc_conf_t *prev)
|
|
|
2316 {
|
|
|
2317 u_char *p;
|
|
|
2318 size_t size;
|
|
|
2319 uintptr_t *code;
|
|
|
2320 ngx_uint_t i;
|
|
|
2321 ngx_keyval_t *src, *s, *h;
|
|
|
2322 ngx_hash_key_t *hk;
|
|
|
2323 ngx_hash_init_t hash;
|
|
|
2324 ngx_http_script_compile_t sc;
|
|
|
2325 ngx_http_script_copy_code_t *copy;
|
|
126
|
2326
|
|
58
|
2327 if (conf->headers_source == NULL) {
|
|
122
|
2328 conf->flushes = prev->flushes;
|
|
58
|
2329 conf->headers_set_len = prev->headers_set_len;
|
|
|
2330 conf->headers_set = prev->headers_set;
|
|
|
2331 conf->headers_set_hash = prev->headers_set_hash;
|
|
122
|
2332 conf->headers_source = prev->headers_source;
|
|
58
|
2333 }
|
|
|
2334
|
|
498
|
2335 if (conf->headers_set_hash.buckets
|
|
502
|
2336 #if (NGX_HTTP_CACHE)
|
|
|
2337 && ((conf->upstream.cache == NULL) == (prev->upstream.cache == NULL))
|
|
|
2338 #endif
|
|
|
2339 )
|
|
498
|
2340 {
|
|
464
|
2341 return NGX_OK;
|
|
58
|
2342 }
|
|
|
2343
|
|
|
2344
|
|
198
|
2345 conf->headers_names = ngx_array_create(cf->pool, 4, sizeof(ngx_hash_key_t));
|
|
58
|
2346 if (conf->headers_names == NULL) {
|
|
464
|
2347 return NGX_ERROR;
|
|
58
|
2348 }
|
|
|
2349
|
|
|
2350 if (conf->headers_source == NULL) {
|
|
|
2351 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
2352 sizeof(ngx_keyval_t));
|
|
58
|
2353 if (conf->headers_source == NULL) {
|
|
464
|
2354 return NGX_ERROR;
|
|
58
|
2355 }
|
|
|
2356 }
|
|
|
2357
|
|
|
2358 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1);
|
|
|
2359 if (conf->headers_set_len == NULL) {
|
|
464
|
2360 return NGX_ERROR;
|
|
58
|
2361 }
|
|
|
2362
|
|
|
2363 conf->headers_set = ngx_array_create(cf->pool, 512, 1);
|
|
|
2364 if (conf->headers_set == NULL) {
|
|
464
|
2365 return NGX_ERROR;
|
|
58
|
2366 }
|
|
|
2367
|
|
|
2368
|
|
|
2369 src = conf->headers_source->elts;
|
|
|
2370
|
|
480
|
2371 #if (NGX_HTTP_CACHE)
|
|
|
2372
|
|
|
2373 h = conf->upstream.cache ? ngx_http_proxy_cache_headers:
|
|
|
2374 ngx_http_proxy_headers;
|
|
|
2375 #else
|
|
|
2376
|
|
|
2377 h = ngx_http_proxy_headers;
|
|
|
2378
|
|
|
2379 #endif
|
|
|
2380
|
|
|
2381 while (h->key.len) {
|
|
58
|
2382
|
|
|
2383 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
2384 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
|
2385 goto next;
|
|
|
2386 }
|
|
|
2387 }
|
|
|
2388
|
|
|
2389 s = ngx_array_push(conf->headers_source);
|
|
|
2390 if (s == NULL) {
|
|
464
|
2391 return NGX_ERROR;
|
|
58
|
2392 }
|
|
|
2393
|
|
|
2394 *s = *h;
|
|
|
2395
|
|
66
|
2396 src = conf->headers_source->elts;
|
|
|
2397
|
|
58
|
2398 next:
|
|
|
2399
|
|
480
|
2400 h++;
|
|
58
|
2401 }
|
|
|
2402
|
|
126
|
2403
|
|
|
2404 src = conf->headers_source->elts;
|
|
58
|
2405 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
2406
|
|
198
|
2407 hk = ngx_array_push(conf->headers_names);
|
|
|
2408 if (hk == NULL) {
|
|
464
|
2409 return NGX_ERROR;
|
|
58
|
2410 }
|
|
|
2411
|
|
198
|
2412 hk->key = src[i].key;
|
|
|
2413 hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len);
|
|
|
2414 hk->value = (void *) 1;
|
|
58
|
2415
|
|
68
|
2416 if (src[i].value.len == 0) {
|
|
|
2417 continue;
|
|
|
2418 }
|
|
|
2419
|
|
58
|
2420 if (ngx_http_script_variables_count(&src[i].value) == 0) {
|
|
|
2421 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2422 sizeof(ngx_http_script_copy_code_t));
|
|
|
2423 if (copy == NULL) {
|
|
464
|
2424 return NGX_ERROR;
|
|
58
|
2425 }
|
|
|
2426
|
|
|
2427 copy->code = (ngx_http_script_code_pt)
|
|
|
2428 ngx_http_script_copy_len_code;
|
|
|
2429 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
2430 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
2431
|
|
|
2432
|
|
|
2433 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2434 + src[i].key.len + sizeof(": ") - 1
|
|
|
2435 + src[i].value.len + sizeof(CRLF) - 1
|
|
|
2436 + sizeof(uintptr_t) - 1)
|
|
|
2437 & ~(sizeof(uintptr_t) - 1);
|
|
|
2438
|
|
|
2439 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2440 if (copy == NULL) {
|
|
464
|
2441 return NGX_ERROR;
|
|
58
|
2442 }
|
|
|
2443
|
|
|
2444 copy->code = ngx_http_script_copy_code;
|
|
|
2445 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
2446 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
2447
|
|
|
2448 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2449
|
|
|
2450 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
2451 *p++ = ':'; *p++ = ' ';
|
|
|
2452 p = ngx_cpymem(p, src[i].value.data, src[i].value.len);
|
|
|
2453 *p++ = CR; *p = LF;
|
|
|
2454
|
|
|
2455 } else {
|
|
|
2456 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2457 sizeof(ngx_http_script_copy_code_t));
|
|
|
2458 if (copy == NULL) {
|
|
464
|
2459 return NGX_ERROR;
|
|
58
|
2460 }
|
|
|
2461
|
|
|
2462 copy->code = (ngx_http_script_code_pt)
|
|
|
2463 ngx_http_script_copy_len_code;
|
|
|
2464 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
2465
|
|
|
2466
|
|
|
2467 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2468 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1)
|
|
|
2469 & ~(sizeof(uintptr_t) - 1);
|
|
|
2470
|
|
|
2471 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2472 if (copy == NULL) {
|
|
464
|
2473 return NGX_ERROR;
|
|
58
|
2474 }
|
|
|
2475
|
|
|
2476 copy->code = ngx_http_script_copy_code;
|
|
|
2477 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
2478
|
|
|
2479 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2480 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
2481 *p++ = ':'; *p = ' ';
|
|
|
2482
|
|
|
2483
|
|
|
2484 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2485
|
|
|
2486 sc.cf = cf;
|
|
|
2487 sc.source = &src[i].value;
|
|
122
|
2488 sc.flushes = &conf->flushes;
|
|
58
|
2489 sc.lengths = &conf->headers_set_len;
|
|
|
2490 sc.values = &conf->headers_set;
|
|
|
2491
|
|
|
2492 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
464
|
2493 return NGX_ERROR;
|
|
58
|
2494 }
|
|
|
2495
|
|
|
2496
|
|
|
2497 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2498 sizeof(ngx_http_script_copy_code_t));
|
|
|
2499 if (copy == NULL) {
|
|
464
|
2500 return NGX_ERROR;
|
|
58
|
2501 }
|
|
|
2502
|
|
|
2503 copy->code = (ngx_http_script_code_pt)
|
|
|
2504 ngx_http_script_copy_len_code;
|
|
|
2505 copy->len = sizeof(CRLF) - 1;
|
|
|
2506
|
|
|
2507
|
|
|
2508 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2509 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1)
|
|
|
2510 & ~(sizeof(uintptr_t) - 1);
|
|
|
2511
|
|
|
2512 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2513 if (copy == NULL) {
|
|
464
|
2514 return NGX_ERROR;
|
|
58
|
2515 }
|
|
|
2516
|
|
|
2517 copy->code = ngx_http_script_copy_code;
|
|
|
2518 copy->len = sizeof(CRLF) - 1;
|
|
|
2519
|
|
|
2520 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2521 *p++ = CR; *p = LF;
|
|
|
2522 }
|
|
|
2523
|
|
|
2524 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2525 if (code == NULL) {
|
|
464
|
2526 return NGX_ERROR;
|
|
58
|
2527 }
|
|
|
2528
|
|
|
2529 *code = (uintptr_t) NULL;
|
|
|
2530
|
|
|
2531 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t));
|
|
|
2532 if (code == NULL) {
|
|
464
|
2533 return NGX_ERROR;
|
|
58
|
2534 }
|
|
|
2535
|
|
|
2536 *code = (uintptr_t) NULL;
|
|
|
2537 }
|
|
|
2538
|
|
|
2539 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2540 if (code == NULL) {
|
|
464
|
2541 return NGX_ERROR;
|
|
58
|
2542 }
|
|
|
2543
|
|
|
2544 *code = (uintptr_t) NULL;
|
|
|
2545
|
|
|
2546
|
|
198
|
2547 hash.hash = &conf->headers_set_hash;
|
|
|
2548 hash.key = ngx_hash_key_lc;
|
|
298
|
2549 hash.max_size = conf->headers_hash_max_size;
|
|
|
2550 hash.bucket_size = conf->headers_hash_bucket_size;
|
|
|
2551 hash.name = "proxy_headers_hash";
|
|
198
|
2552 hash.pool = cf->pool;
|
|
|
2553 hash.temp_pool = NULL;
|
|
|
2554
|
|
|
2555 if (ngx_hash_init(&hash, conf->headers_names->elts,
|
|
|
2556 conf->headers_names->nelts)
|
|
|
2557 != NGX_OK)
|
|
|
2558 {
|
|
464
|
2559 return NGX_ERROR;
|
|
198
|
2560 }
|
|
|
2561
|
|
464
|
2562 return NGX_OK;
|
|
58
|
2563 }
|
|
|
2564
|
|
|
2565
|
|
|
2566 static char *
|
|
|
2567 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2568 {
|
|
|
2569 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2570
|
|
348
|
2571 size_t add;
|
|
|
2572 u_short port;
|
|
|
2573 ngx_str_t *value, *url;
|
|
|
2574 ngx_url_t u;
|
|
|
2575 ngx_uint_t n;
|
|
|
2576 ngx_http_core_loc_conf_t *clcf;
|
|
|
2577 ngx_http_script_compile_t sc;
|
|
58
|
2578
|
|
430
|
2579 if (plcf->upstream.upstream || plcf->proxy_lengths) {
|
|
104
|
2580 return "is duplicate";
|
|
|
2581 }
|
|
|
2582
|
|
348
|
2583 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
2584
|
|
510
|
2585 clcf->handler = ngx_http_proxy_handler;
|
|
|
2586
|
|
|
2587 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
2588 clcf->auto_redirect = 1;
|
|
|
2589 }
|
|
|
2590
|
|
58
|
2591 value = cf->args->elts;
|
|
|
2592
|
|
|
2593 url = &value[1];
|
|
|
2594
|
|
348
|
2595 n = ngx_http_script_variables_count(url);
|
|
|
2596
|
|
|
2597 if (n) {
|
|
|
2598
|
|
|
2599 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2600
|
|
|
2601 sc.cf = cf;
|
|
|
2602 sc.source = url;
|
|
|
2603 sc.lengths = &plcf->proxy_lengths;
|
|
|
2604 sc.values = &plcf->proxy_values;
|
|
|
2605 sc.variables = n;
|
|
|
2606 sc.complete_lengths = 1;
|
|
|
2607 sc.complete_values = 1;
|
|
354
|
2608
|
|
348
|
2609 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2610 return NGX_CONF_ERROR;
|
|
|
2611 }
|
|
|
2612
|
|
|
2613 #if (NGX_HTTP_SSL)
|
|
|
2614 if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) {
|
|
|
2615 return NGX_CONF_ERROR;
|
|
|
2616 }
|
|
|
2617 #endif
|
|
|
2618
|
|
|
2619 return NGX_CONF_OK;
|
|
|
2620 }
|
|
|
2621
|
|
286
|
2622 if (ngx_strncasecmp(url->data, (u_char *) "http://", 7) == 0) {
|
|
126
|
2623 add = 7;
|
|
140
|
2624 port = 80;
|
|
126
|
2625
|
|
286
|
2626 } else if (ngx_strncasecmp(url->data, (u_char *) "https://", 8) == 0) {
|
|
126
|
2627
|
|
|
2628 #if (NGX_HTTP_SSL)
|
|
348
|
2629 if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) {
|
|
|
2630 return NGX_CONF_ERROR;
|
|
|
2631 }
|
|
126
|
2632
|
|
|
2633 add = 8;
|
|
140
|
2634 port = 443;
|
|
126
|
2635 #else
|
|
|
2636 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2637 "https protocol requires SSL support");
|
|
|
2638 return NGX_CONF_ERROR;
|
|
|
2639 #endif
|
|
|
2640
|
|
|
2641 } else {
|
|
58
|
2642 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix");
|
|
|
2643 return NGX_CONF_ERROR;
|
|
|
2644 }
|
|
|
2645
|
|
200
|
2646 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
|
2647
|
|
|
2648 u.url.len = url->len - add;
|
|
|
2649 u.url.data = url->data + add;
|
|
266
|
2650 u.default_port = port;
|
|
|
2651 u.uri_part = 1;
|
|
260
|
2652 u.no_resolve = 1;
|
|
|
2653
|
|
|
2654 plcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
|
|
|
2655 if (plcf->upstream.upstream == NULL) {
|
|
58
|
2656 return NGX_CONF_ERROR;
|
|
|
2657 }
|
|
|
2658
|
|
430
|
2659 plcf->vars.schema.len = add;
|
|
|
2660 plcf->vars.schema.data = url->data;
|
|
464
|
2661 plcf->vars.key_start = plcf->vars.schema;
|
|
|
2662
|
|
|
2663 ngx_http_proxy_set_vars(&u, &plcf->vars);
|
|
58
|
2664
|
|
464
|
2665 plcf->location = clcf->name;
|
|
|
2666
|
|
324
|
2667 if (clcf->named
|
|
58
|
2668 #if (NGX_PCRE)
|
|
324
|
2669 || clcf->regex
|
|
|
2670 #endif
|
|
|
2671 || clcf->noname)
|
|
|
2672 {
|
|
348
|
2673 if (plcf->vars.uri.len) {
|
|
122
|
2674 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2675 "\"proxy_pass\" may not have URI part in "
|
|
256
|
2676 "location given by regular expression, "
|
|
324
|
2677 "or inside named location, "
|
|
256
|
2678 "or inside the \"if\" statement, "
|
|
|
2679 "or inside the \"limit_except\" block");
|
|
122
|
2680 return NGX_CONF_ERROR;
|
|
|
2681 }
|
|
|
2682
|
|
348
|
2683 plcf->location.len = 0;
|
|
104
|
2684 }
|
|
|
2685
|
|
348
|
2686 plcf->url = *url;
|
|
58
|
2687
|
|
|
2688 return NGX_CONF_OK;
|
|
|
2689 }
|
|
|
2690
|
|
|
2691
|
|
|
2692 static char *
|
|
|
2693 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2694 {
|
|
|
2695 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2696
|
|
|
2697 ngx_str_t *value;
|
|
|
2698 ngx_array_t *vars_lengths, *vars_values;
|
|
|
2699 ngx_http_script_compile_t sc;
|
|
|
2700 ngx_http_proxy_redirect_t *pr;
|
|
|
2701
|
|
|
2702 if (plcf->redirect == 0) {
|
|
|
2703 return NGX_CONF_OK;
|
|
|
2704 }
|
|
|
2705
|
|
|
2706 value = cf->args->elts;
|
|
|
2707
|
|
484
|
2708 if (cf->args->nelts == 2) {
|
|
|
2709 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2710 plcf->redirect = 0;
|
|
|
2711 plcf->redirects = NULL;
|
|
|
2712 return NGX_CONF_OK;
|
|
|
2713 }
|
|
|
2714
|
|
|
2715 if (ngx_strcmp(value[1].data, "false") == 0) {
|
|
|
2716 ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
|
|
|
2717 "invalid parameter \"false\", use \"off\" instead");
|
|
|
2718 plcf->redirect = 0;
|
|
|
2719 plcf->redirects = NULL;
|
|
|
2720 return NGX_CONF_OK;
|
|
|
2721 }
|
|
|
2722
|
|
|
2723 if (ngx_strcmp(value[1].data, "default") != 0) {
|
|
|
2724 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2725 "invalid parameter \"%V\"", &value[1]);
|
|
|
2726 return NGX_CONF_ERROR;
|
|
|
2727 }
|
|
58
|
2728 }
|
|
|
2729
|
|
|
2730 if (plcf->redirects == NULL) {
|
|
|
2731 plcf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
2732 sizeof(ngx_http_proxy_redirect_t));
|
|
|
2733 if (plcf->redirects == NULL) {
|
|
|
2734 return NGX_CONF_ERROR;
|
|
|
2735 }
|
|
|
2736 }
|
|
|
2737
|
|
|
2738 pr = ngx_array_push(plcf->redirects);
|
|
|
2739 if (pr == NULL) {
|
|
|
2740 return NGX_CONF_ERROR;
|
|
|
2741 }
|
|
|
2742
|
|
484
|
2743 if (ngx_strcmp(value[1].data, "default") == 0) {
|
|
566
|
2744 if (plcf->proxy_lengths) {
|
|
|
2745 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2746 "\"proxy_redirect default\" may not be used "
|
|
|
2747 "with \"proxy_pass\" directive with variables");
|
|
|
2748 return NGX_CONF_ERROR;
|
|
|
2749 }
|
|
|
2750
|
|
348
|
2751 if (plcf->url.data == NULL) {
|
|
58
|
2752 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
566
|
2753 "\"proxy_redirect default\" must go "
|
|
58
|
2754 "after the \"proxy_pass\" directive");
|
|
|
2755 return NGX_CONF_ERROR;
|
|
|
2756 }
|
|
|
2757
|
|
|
2758 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
348
|
2759 pr->redirect = plcf->url;
|
|
|
2760
|
|
|
2761 if (plcf->vars.uri.len) {
|
|
|
2762 pr->replacement.text = plcf->location;
|
|
202
|
2763
|
|
|
2764 } else {
|
|
570
|
2765 ngx_str_null(&pr->replacement.text);
|
|
202
|
2766 }
|
|
58
|
2767
|
|
|
2768 return NGX_CONF_OK;
|
|
|
2769 }
|
|
|
2770
|
|
|
2771 if (ngx_http_script_variables_count(&value[2]) == 0) {
|
|
|
2772 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2773 pr->redirect = value[1];
|
|
|
2774 pr->replacement.text = value[2];
|
|
|
2775
|
|
|
2776 return NGX_CONF_OK;
|
|
|
2777 }
|
|
|
2778
|
|
|
2779 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2780
|
|
|
2781 vars_lengths = NULL;
|
|
|
2782 vars_values = NULL;
|
|
|
2783
|
|
|
2784 sc.cf = cf;
|
|
|
2785 sc.source = &value[2];
|
|
|
2786 sc.lengths = &vars_lengths;
|
|
|
2787 sc.values = &vars_values;
|
|
|
2788 sc.complete_lengths = 1;
|
|
|
2789 sc.complete_values = 1;
|
|
|
2790
|
|
|
2791 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2792 return NGX_CONF_ERROR;
|
|
|
2793 }
|
|
|
2794
|
|
|
2795 pr->handler = ngx_http_proxy_rewrite_redirect_vars;
|
|
|
2796 pr->redirect = value[1];
|
|
|
2797 pr->replacement.vars.lengths = vars_lengths->elts;
|
|
|
2798 pr->replacement.vars.values = vars_values->elts;
|
|
|
2799
|
|
|
2800 return NGX_CONF_OK;
|
|
|
2801 }
|
|
|
2802
|
|
|
2803
|
|
|
2804 static char *
|
|
320
|
2805 ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2806 {
|
|
|
2807 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2808
|
|
|
2809 ngx_str_t *value;
|
|
|
2810 ngx_http_script_compile_t sc;
|
|
|
2811
|
|
496
|
2812 if (plcf->upstream.store != NGX_CONF_UNSET
|
|
|
2813 || plcf->upstream.store_lengths)
|
|
320
|
2814 {
|
|
|
2815 return "is duplicate";
|
|
|
2816 }
|
|
|
2817
|
|
|
2818 value = cf->args->elts;
|
|
|
2819
|
|
496
|
2820 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2821 plcf->upstream.store = 0;
|
|
320
|
2822 return NGX_CONF_OK;
|
|
|
2823 }
|
|
|
2824
|
|
496
|
2825 #if (NGX_HTTP_CACHE)
|
|
|
2826
|
|
|
2827 if (plcf->upstream.cache != NGX_CONF_UNSET_PTR
|
|
|
2828 && plcf->upstream.cache != NULL)
|
|
|
2829 {
|
|
|
2830 return "is incompatible with \"proxy_cache\"";
|
|
|
2831 }
|
|
|
2832
|
|
|
2833 #endif
|
|
|
2834
|
|
|
2835 if (ngx_strcmp(value[1].data, "on") == 0) {
|
|
|
2836 plcf->upstream.store = 1;
|
|
320
|
2837 return NGX_CONF_OK;
|
|
|
2838 }
|
|
|
2839
|
|
|
2840 /* include the terminating '\0' into script */
|
|
|
2841 value[1].len++;
|
|
|
2842
|
|
|
2843 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2844
|
|
|
2845 sc.cf = cf;
|
|
|
2846 sc.source = &value[1];
|
|
|
2847 sc.lengths = &plcf->upstream.store_lengths;
|
|
|
2848 sc.values = &plcf->upstream.store_values;
|
|
340
|
2849 sc.variables = ngx_http_script_variables_count(&value[1]);
|
|
320
|
2850 sc.complete_lengths = 1;
|
|
|
2851 sc.complete_values = 1;
|
|
|
2852
|
|
|
2853 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2854 return NGX_CONF_ERROR;
|
|
|
2855 }
|
|
|
2856
|
|
|
2857 return NGX_CONF_OK;
|
|
|
2858 }
|
|
|
2859
|
|
|
2860
|
|
464
|
2861 #if (NGX_HTTP_CACHE)
|
|
|
2862
|
|
|
2863 static char *
|
|
|
2864 ngx_http_proxy_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2865 {
|
|
|
2866 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2867
|
|
|
2868 ngx_str_t *value;
|
|
|
2869
|
|
|
2870 value = cf->args->elts;
|
|
|
2871
|
|
|
2872 if (plcf->upstream.cache != NGX_CONF_UNSET_PTR) {
|
|
|
2873 return "is duplicate";
|
|
|
2874 }
|
|
|
2875
|
|
|
2876 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2877 plcf->upstream.cache = NULL;
|
|
|
2878 return NGX_CONF_OK;
|
|
|
2879 }
|
|
|
2880
|
|
496
|
2881 if (plcf->upstream.store > 0 || plcf->upstream.store_lengths) {
|
|
|
2882 return "is incompatible with \"proxy_store\"";
|
|
|
2883 }
|
|
|
2884
|
|
464
|
2885 plcf->upstream.cache = ngx_shared_memory_add(cf, &value[1], 0,
|
|
|
2886 &ngx_http_proxy_module);
|
|
|
2887 if (plcf->upstream.cache == NULL) {
|
|
|
2888 return NGX_CONF_ERROR;
|
|
|
2889 }
|
|
|
2890
|
|
|
2891 return NGX_CONF_OK;
|
|
|
2892 }
|
|
|
2893
|
|
472
|
2894
|
|
|
2895 static char *
|
|
|
2896 ngx_http_proxy_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2897 {
|
|
|
2898 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2899
|
|
|
2900 ngx_str_t *value;
|
|
|
2901 ngx_http_compile_complex_value_t ccv;
|
|
|
2902
|
|
|
2903 value = cf->args->elts;
|
|
|
2904
|
|
|
2905 if (plcf->cache_key.value.len) {
|
|
|
2906 return "is duplicate";
|
|
|
2907 }
|
|
|
2908
|
|
|
2909 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
|
|
|
2910
|
|
|
2911 ccv.cf = cf;
|
|
|
2912 ccv.value = &value[1];
|
|
|
2913 ccv.complex_value = &plcf->cache_key;
|
|
|
2914
|
|
|
2915 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
|
|
|
2916 return NGX_CONF_ERROR;
|
|
|
2917 }
|
|
|
2918
|
|
|
2919 return NGX_CONF_OK;
|
|
|
2920 }
|
|
|
2921
|
|
464
|
2922 #endif
|
|
|
2923
|
|
|
2924
|
|
320
|
2925 static char *
|
|
58
|
2926 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data)
|
|
|
2927 {
|
|
|
2928 #if (NGX_FREEBSD)
|
|
|
2929 ssize_t *np = data;
|
|
|
2930
|
|
222
|
2931 if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) {
|
|
58
|
2932 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2933 "\"proxy_send_lowat\" must be less than %d "
|
|
|
2934 "(sysctl net.inet.tcp.sendspace)",
|
|
|
2935 ngx_freebsd_net_inet_tcp_sendspace);
|
|
|
2936
|
|
|
2937 return NGX_CONF_ERROR;
|
|
|
2938 }
|
|
|
2939
|
|
|
2940 #elif !(NGX_HAVE_SO_SNDLOWAT)
|
|
|
2941 ssize_t *np = data;
|
|
|
2942
|
|
|
2943 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
2944 "\"proxy_send_lowat\" is not supported, ignored");
|
|
|
2945
|
|
|
2946 *np = 0;
|
|
|
2947
|
|
|
2948 #endif
|
|
|
2949
|
|
|
2950 return NGX_CONF_OK;
|
|
|
2951 }
|
|
260
|
2952
|
|
|
2953
|
|
348
|
2954 #if (NGX_HTTP_SSL)
|
|
|
2955
|
|
|
2956 static ngx_int_t
|
|
|
2957 ngx_http_proxy_set_ssl(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *plcf)
|
|
|
2958 {
|
|
|
2959 ngx_pool_cleanup_t *cln;
|
|
|
2960
|
|
|
2961 plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t));
|
|
|
2962 if (plcf->upstream.ssl == NULL) {
|
|
|
2963 return NGX_ERROR;
|
|
|
2964 }
|
|
|
2965
|
|
|
2966 plcf->upstream.ssl->log = cf->log;
|
|
|
2967
|
|
|
2968 if (ngx_ssl_create(plcf->upstream.ssl,
|
|
|
2969 NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1, NULL)
|
|
|
2970 != NGX_OK)
|
|
|
2971 {
|
|
|
2972 return NGX_ERROR;
|
|
|
2973 }
|
|
|
2974
|
|
|
2975 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
2976 if (cln == NULL) {
|
|
|
2977 return NGX_ERROR;
|
|
|
2978 }
|
|
|
2979
|
|
|
2980 cln->handler = ngx_ssl_cleanup_ctx;
|
|
|
2981 cln->data = plcf->upstream.ssl;
|
|
|
2982
|
|
|
2983 return NGX_OK;
|
|
|
2984 }
|
|
|
2985
|
|
|
2986 #endif
|
|
|
2987
|
|
|
2988
|
|
464
|
2989 static void
|
|
|
2990 ngx_http_proxy_set_vars(ngx_url_t *u, ngx_http_proxy_vars_t *v)
|
|
348
|
2991 {
|
|
400
|
2992 if (u->family != AF_UNIX) {
|
|
464
|
2993
|
|
348
|
2994 if (u->no_port || u->port == u->default_port) {
|
|
464
|
2995
|
|
348
|
2996 v->host_header = u->host;
|
|
|
2997
|
|
|
2998 if (u->default_port == 80) {
|
|
570
|
2999 ngx_str_set(&v->port, "80");
|
|
348
|
3000
|
|
|
3001 } else {
|
|
570
|
3002 ngx_str_set(&v->port, "443");
|
|
348
|
3003 }
|
|
|
3004
|
|
|
3005 } else {
|
|
354
|
3006 v->host_header.len = u->host.len + 1 + u->port_text.len;
|
|
|
3007 v->host_header.data = u->host.data;
|
|
|
3008 v->port = u->port_text;
|
|
348
|
3009 }
|
|
|
3010
|
|
464
|
3011 v->key_start.len += v->host_header.len;
|
|
|
3012
|
|
348
|
3013 } else {
|
|
570
|
3014 ngx_str_set(&v->host_header, "localhost");
|
|
|
3015 ngx_str_null(&v->port);
|
|
464
|
3016 v->key_start.len += sizeof("unix:") - 1 + u->host.len + 1;
|
|
348
|
3017 }
|
|
|
3018
|
|
|
3019 v->uri = u->uri;
|
|
|
3020 }
|
