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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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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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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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260
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145 static char *ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf,
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146 ngx_command_t *cmd, void *conf);
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147 static char *ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
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148 ngx_command_t *cmd, void *conf);
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149
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348
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150 #if (NGX_HTTP_SSL)
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151 static ngx_int_t ngx_http_proxy_set_ssl(ngx_conf_t *cf,
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152 ngx_http_proxy_loc_conf_t *plcf);
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153 #endif
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464
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154 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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155
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156
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157 static ngx_conf_post_t ngx_http_proxy_lowat_post =
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158 { ngx_http_proxy_lowat_check };
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159
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160
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161 static ngx_conf_bitmask_t ngx_http_proxy_next_upstream_masks[] = {
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162 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
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163 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
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164 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
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165 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
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412
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166 { ngx_string("http_502"), NGX_HTTP_UPSTREAM_FT_HTTP_502 },
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172
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167 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 },
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412
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168 { ngx_string("http_504"), NGX_HTTP_UPSTREAM_FT_HTTP_504 },
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169 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
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498
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170 { ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING },
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214
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171 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF },
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172 { ngx_null_string, 0 }
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173 };
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174
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175
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484
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176 static ngx_conf_bitmask_t ngx_http_proxy_ignore_headers_masks[] = {
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177 { ngx_string("X-Accel-Redirect"), NGX_HTTP_UPSTREAM_IGN_XA_REDIRECT },
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178 { ngx_string("X-Accel-Expires"), NGX_HTTP_UPSTREAM_IGN_XA_EXPIRES },
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179 { ngx_string("Expires"), NGX_HTTP_UPSTREAM_IGN_EXPIRES },
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180 { ngx_string("Cache-Control"), NGX_HTTP_UPSTREAM_IGN_CACHE_CONTROL },
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181 { ngx_null_string, 0 }
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182 };
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183
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184
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464
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185 ngx_module_t ngx_http_proxy_module;
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186
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187
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58
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188 static ngx_command_t ngx_http_proxy_commands[] = {
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189
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190 { ngx_string("proxy_pass"),
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256
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191 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1,
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192 ngx_http_proxy_pass,
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193 NGX_HTTP_LOC_CONF_OFFSET,
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194 0,
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195 NULL },
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196
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197 { ngx_string("proxy_redirect"),
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198 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
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199 ngx_http_proxy_redirect,
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200 NGX_HTTP_LOC_CONF_OFFSET,
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201 0,
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202 NULL },
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203
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318
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204 { ngx_string("proxy_store"),
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320
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205 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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206 ngx_http_proxy_store,
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207 NGX_HTTP_LOC_CONF_OFFSET,
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208 0,
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209 NULL },
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210
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211 { ngx_string("proxy_store_access"),
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318
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212 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123,
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213 ngx_conf_set_access_slot,
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214 NGX_HTTP_LOC_CONF_OFFSET,
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320
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215 offsetof(ngx_http_proxy_loc_conf_t, upstream.store_access),
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318
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216 NULL },
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217
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130
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218 { ngx_string("proxy_buffering"),
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219 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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220 ngx_conf_set_flag_slot,
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221 NGX_HTTP_LOC_CONF_OFFSET,
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222 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffering),
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223 NULL },
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224
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178
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225 { ngx_string("proxy_ignore_client_abort"),
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226 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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227 ngx_conf_set_flag_slot,
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228 NGX_HTTP_LOC_CONF_OFFSET,
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229 offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_client_abort),
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230 NULL },
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231
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540
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232 { ngx_string("proxy_bind"),
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233 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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234 ngx_http_upsteam_bind_set_slot,
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235 NGX_HTTP_LOC_CONF_OFFSET,
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236 offsetof(ngx_http_proxy_loc_conf_t, upstream.local),
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237 NULL },
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238
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58
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239 { ngx_string("proxy_connect_timeout"),
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240 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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241 ngx_conf_set_msec_slot,
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242 NGX_HTTP_LOC_CONF_OFFSET,
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243 offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout),
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244 NULL },
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245
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246 { ngx_string("proxy_send_timeout"),
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247 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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248 ngx_conf_set_msec_slot,
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249 NGX_HTTP_LOC_CONF_OFFSET,
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250 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout),
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251 NULL },
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252
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253 { ngx_string("proxy_send_lowat"),
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254 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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255 ngx_conf_set_size_slot,
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256 NGX_HTTP_LOC_CONF_OFFSET,
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257 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat),
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258 &ngx_http_proxy_lowat_post },
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259
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206
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260 { ngx_string("proxy_intercept_errors"),
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261 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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262 ngx_conf_set_flag_slot,
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263 NGX_HTTP_LOC_CONF_OFFSET,
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264 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors),
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265 NULL },
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266
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58
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267 { ngx_string("proxy_set_header"),
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268 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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198
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269 ngx_conf_set_keyval_slot,
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58
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270 NGX_HTTP_LOC_CONF_OFFSET,
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271 offsetof(ngx_http_proxy_loc_conf_t, headers_source),
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272 NULL },
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273
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298
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274 { ngx_string("proxy_headers_hash_max_size"),
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275 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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276 ngx_conf_set_num_slot,
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277 NGX_HTTP_LOC_CONF_OFFSET,
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278 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_max_size),
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279 NULL },
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280
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281 { ngx_string("proxy_headers_hash_bucket_size"),
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282 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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283 ngx_conf_set_num_slot,
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284 NGX_HTTP_LOC_CONF_OFFSET,
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285 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_bucket_size),
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286 NULL },
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287
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126
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288 { ngx_string("proxy_set_body"),
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289 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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290 ngx_conf_set_str_slot,
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291 NGX_HTTP_LOC_CONF_OFFSET,
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292 offsetof(ngx_http_proxy_loc_conf_t, body_source),
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293 NULL },
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294
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58
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295 { ngx_string("proxy_method"),
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296 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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110
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297 ngx_conf_set_str_slot,
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58
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298 NGX_HTTP_LOC_CONF_OFFSET,
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110
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299 offsetof(ngx_http_proxy_loc_conf_t, method),
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300 NULL },
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58
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301
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302 { ngx_string("proxy_pass_request_headers"),
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303 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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304 ngx_conf_set_flag_slot,
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305 NGX_HTTP_LOC_CONF_OFFSET,
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306 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers),
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307 NULL },
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308
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309 { ngx_string("proxy_pass_request_body"),
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310 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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311 ngx_conf_set_flag_slot,
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312 NGX_HTTP_LOC_CONF_OFFSET,
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313 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body),
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314 NULL },
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315
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130
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316 { ngx_string("proxy_buffer_size"),
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317 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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318 ngx_conf_set_size_slot,
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319 NGX_HTTP_LOC_CONF_OFFSET,
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320 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
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321 NULL },
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322
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58
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323 { ngx_string("proxy_read_timeout"),
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324 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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325 ngx_conf_set_msec_slot,
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326 NGX_HTTP_LOC_CONF_OFFSET,
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327 offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout),
|
|
|
328 NULL },
|
|
|
329
|
|
|
330 { ngx_string("proxy_buffers"),
|
|
|
331 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
|
|
|
332 ngx_conf_set_bufs_slot,
|
|
|
333 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
334 offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs),
|
|
|
335 NULL },
|
|
|
336
|
|
|
337 { ngx_string("proxy_busy_buffers_size"),
|
|
|
338 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
339 ngx_conf_set_size_slot,
|
|
|
340 NGX_HTTP_LOC_CONF_OFFSET,
|
|
78
|
341 offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf),
|
|
58
|
342 NULL },
|
|
|
343
|
|
464
|
344 #if (NGX_HTTP_CACHE)
|
|
|
345
|
|
|
346 { ngx_string("proxy_cache"),
|
|
|
347 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
348 ngx_http_proxy_cache,
|
|
|
349 NGX_HTTP_LOC_CONF_OFFSET,
|
|
466
|
350 0,
|
|
464
|
351 NULL },
|
|
|
352
|
|
472
|
353 { ngx_string("proxy_cache_key"),
|
|
|
354 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
355 ngx_http_proxy_cache_key,
|
|
|
356 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
357 0,
|
|
|
358 NULL },
|
|
|
359
|
|
464
|
360 { ngx_string("proxy_cache_path"),
|
|
|
361 NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE,
|
|
|
362 ngx_http_file_cache_set_slot,
|
|
|
363 0,
|
|
|
364 0,
|
|
|
365 &ngx_http_proxy_module },
|
|
|
366
|
|
|
367 { ngx_string("proxy_cache_valid"),
|
|
|
368 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
369 ngx_http_file_cache_valid_set_slot,
|
|
|
370 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
371 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_valid),
|
|
|
372 NULL },
|
|
|
373
|
|
|
374 { ngx_string("proxy_cache_min_uses"),
|
|
|
375 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
376 ngx_conf_set_num_slot,
|
|
|
377 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
378 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_min_uses),
|
|
|
379 NULL },
|
|
|
380
|
|
|
381 { ngx_string("proxy_cache_use_stale"),
|
|
|
382 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
383 ngx_conf_set_bitmask_slot,
|
|
|
384 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
385 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_use_stale),
|
|
|
386 &ngx_http_proxy_next_upstream_masks },
|
|
|
387
|
|
494
|
388 { ngx_string("proxy_cache_methods"),
|
|
|
389 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
390 ngx_conf_set_bitmask_slot,
|
|
|
391 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
392 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_methods),
|
|
|
393 &ngx_http_upstream_cache_method_mask },
|
|
|
394
|
|
464
|
395 #endif
|
|
|
396
|
|
58
|
397 { ngx_string("proxy_temp_path"),
|
|
|
398 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
|
|
|
399 ngx_conf_set_path_slot,
|
|
|
400 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
401 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path),
|
|
464
|
402 NULL },
|
|
58
|
403
|
|
|
404 { ngx_string("proxy_max_temp_file_size"),
|
|
|
405 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
406 ngx_conf_set_size_slot,
|
|
|
407 NGX_HTTP_LOC_CONF_OFFSET,
|
|
78
|
408 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf),
|
|
58
|
409 NULL },
|
|
|
410
|
|
|
411 { ngx_string("proxy_temp_file_write_size"),
|
|
|
412 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
413 ngx_conf_set_size_slot,
|
|
|
414 NGX_HTTP_LOC_CONF_OFFSET,
|
|
78
|
415 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_file_write_size_conf),
|
|
58
|
416 NULL },
|
|
|
417
|
|
|
418 { ngx_string("proxy_next_upstream"),
|
|
96
|
419 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
58
|
420 ngx_conf_set_bitmask_slot,
|
|
|
421 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
422 offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream),
|
|
|
423 &ngx_http_proxy_next_upstream_masks },
|
|
|
424
|
|
110
|
425 { ngx_string("proxy_upstream_max_fails"),
|
|
|
426 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
260
|
427 ngx_http_proxy_upstream_max_fails_unsupported,
|
|
|
428 0,
|
|
|
429 0,
|
|
110
|
430 NULL },
|
|
|
431
|
|
|
432 { ngx_string("proxy_upstream_fail_timeout"),
|
|
|
433 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
260
|
434 ngx_http_proxy_upstream_fail_timeout_unsupported,
|
|
|
435 0,
|
|
|
436 0,
|
|
110
|
437 NULL },
|
|
|
438
|
|
198
|
439 { ngx_string("proxy_pass_header"),
|
|
58
|
440 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
198
|
441 ngx_conf_set_str_array_slot,
|
|
58
|
442 NGX_HTTP_LOC_CONF_OFFSET,
|
|
198
|
443 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_headers),
|
|
58
|
444 NULL },
|
|
|
445
|
|
198
|
446 { ngx_string("proxy_hide_header"),
|
|
58
|
447 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
198
|
448 ngx_conf_set_str_array_slot,
|
|
58
|
449 NGX_HTTP_LOC_CONF_OFFSET,
|
|
198
|
450 offsetof(ngx_http_proxy_loc_conf_t, upstream.hide_headers),
|
|
58
|
451 NULL },
|
|
|
452
|
|
484
|
453 { ngx_string("proxy_ignore_headers"),
|
|
|
454 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
455 ngx_conf_set_bitmask_slot,
|
|
|
456 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
457 offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_headers),
|
|
|
458 &ngx_http_proxy_ignore_headers_masks },
|
|
|
459
|
|
398
|
460 #if (NGX_HTTP_SSL)
|
|
|
461
|
|
|
462 { ngx_string("proxy_ssl_session_reuse"),
|
|
|
463 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
464 ngx_conf_set_flag_slot,
|
|
|
465 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
466 offsetof(ngx_http_proxy_loc_conf_t, upstream.ssl_session_reuse),
|
|
|
467 NULL },
|
|
|
468
|
|
|
469 #endif
|
|
|
470
|
|
58
|
471 ngx_null_command
|
|
|
472 };
|
|
|
473
|
|
|
474
|
|
216
|
475 static ngx_http_module_t ngx_http_proxy_module_ctx = {
|
|
58
|
476 ngx_http_proxy_add_variables, /* preconfiguration */
|
|
|
477 NULL, /* postconfiguration */
|
|
|
478
|
|
|
479 NULL, /* create main configuration */
|
|
|
480 NULL, /* init main configuration */
|
|
|
481
|
|
|
482 NULL, /* create server configuration */
|
|
|
483 NULL, /* merge server configuration */
|
|
|
484
|
|
|
485 ngx_http_proxy_create_loc_conf, /* create location configration */
|
|
|
486 ngx_http_proxy_merge_loc_conf /* merge location configration */
|
|
|
487 };
|
|
|
488
|
|
|
489
|
|
|
490 ngx_module_t ngx_http_proxy_module = {
|
|
|
491 NGX_MODULE_V1,
|
|
|
492 &ngx_http_proxy_module_ctx, /* module context */
|
|
|
493 ngx_http_proxy_commands, /* module directives */
|
|
|
494 NGX_HTTP_MODULE, /* module type */
|
|
90
|
495 NULL, /* init master */
|
|
58
|
496 NULL, /* init module */
|
|
90
|
497 NULL, /* init process */
|
|
|
498 NULL, /* init thread */
|
|
|
499 NULL, /* exit thread */
|
|
|
500 NULL, /* exit process */
|
|
|
501 NULL, /* exit master */
|
|
|
502 NGX_MODULE_V1_PADDING
|
|
58
|
503 };
|
|
|
504
|
|
|
505
|
|
|
506 static char ngx_http_proxy_version[] = " HTTP/1.0" CRLF;
|
|
|
507
|
|
|
508
|
|
198
|
509 static ngx_keyval_t ngx_http_proxy_headers[] = {
|
|
|
510 { ngx_string("Host"), ngx_string("$proxy_host") },
|
|
|
511 { ngx_string("Connection"), ngx_string("close") },
|
|
|
512 { ngx_string("Keep-Alive"), ngx_string("") },
|
|
384
|
513 { ngx_string("Expect"), ngx_string("") },
|
|
198
|
514 { ngx_null_string, ngx_null_string }
|
|
|
515 };
|
|
|
516
|
|
|
517
|
|
|
518 static ngx_str_t ngx_http_proxy_hide_headers[] = {
|
|
|
519 ngx_string("Date"),
|
|
|
520 ngx_string("Server"),
|
|
|
521 ngx_string("X-Pad"),
|
|
|
522 ngx_string("X-Accel-Expires"),
|
|
|
523 ngx_string("X-Accel-Redirect"),
|
|
|
524 ngx_string("X-Accel-Limit-Rate"),
|
|
364
|
525 ngx_string("X-Accel-Buffering"),
|
|
|
526 ngx_string("X-Accel-Charset"),
|
|
198
|
527 ngx_null_string
|
|
58
|
528 };
|
|
|
529
|
|
|
530
|
|
480
|
531 #if (NGX_HTTP_CACHE)
|
|
|
532
|
|
|
533 static ngx_keyval_t ngx_http_proxy_cache_headers[] = {
|
|
|
534 { ngx_string("Host"), ngx_string("$proxy_host") },
|
|
|
535 { ngx_string("Connection"), ngx_string("close") },
|
|
|
536 { ngx_string("Keep-Alive"), ngx_string("") },
|
|
|
537 { ngx_string("Expect"), ngx_string("") },
|
|
|
538 { ngx_string("If-Modified-Since"), ngx_string("") },
|
|
|
539 { ngx_string("If-Unmodified-Since"), ngx_string("") },
|
|
|
540 { ngx_string("If-Match-None"), ngx_string("") },
|
|
|
541 { ngx_string("If-Match"), ngx_string("") },
|
|
|
542 { ngx_string("Range"), ngx_string("") },
|
|
|
543 { ngx_string("If-Range"), ngx_string("") },
|
|
|
544 { ngx_null_string, ngx_null_string }
|
|
|
545 };
|
|
|
546
|
|
|
547
|
|
|
548 static ngx_str_t ngx_http_proxy_hide_cache_headers[] = {
|
|
|
549 ngx_string("Date"),
|
|
|
550 ngx_string("Server"),
|
|
|
551 ngx_string("X-Pad"),
|
|
|
552 ngx_string("X-Accel-Expires"),
|
|
|
553 ngx_string("X-Accel-Redirect"),
|
|
|
554 ngx_string("X-Accel-Limit-Rate"),
|
|
|
555 ngx_string("X-Accel-Buffering"),
|
|
|
556 ngx_string("X-Accel-Charset"),
|
|
|
557 ngx_string("Set-Cookie"),
|
|
|
558 ngx_string("P3P"),
|
|
|
559 ngx_null_string
|
|
|
560 };
|
|
|
561
|
|
|
562 #endif
|
|
|
563
|
|
|
564
|
|
58
|
565 static ngx_http_variable_t ngx_http_proxy_vars[] = {
|
|
|
566
|
|
186
|
567 { ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0,
|
|
366
|
568 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
569
|
|
186
|
570 { ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0,
|
|
366
|
571 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
572
|
|
186
|
573 { ngx_string("proxy_add_x_forwarded_for"), NULL,
|
|
132
|
574 ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
575
|
|
|
576 #if 0
|
|
186
|
577 { ngx_string("proxy_add_via"), NULL, NULL, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
578 #endif
|
|
|
579
|
|
186
|
580 { ngx_string("proxy_internal_body_length"), NULL,
|
|
132
|
581 ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
126
|
582
|
|
186
|
583 { ngx_null_string, NULL, NULL, 0, 0, 0 }
|
|
58
|
584 };
|
|
|
585
|
|
|
586
|
|
464
|
587 static ngx_path_init_t ngx_http_proxy_temp_path = {
|
|
|
588 ngx_string(NGX_HTTP_PROXY_TEMP_PATH), { 1, 2, 0 }
|
|
|
589 };
|
|
|
590
|
|
|
591
|
|
58
|
592 static ngx_int_t
|
|
|
593 ngx_http_proxy_handler(ngx_http_request_t *r)
|
|
126
|
594 {
|
|
58
|
595 ngx_int_t rc;
|
|
|
596 ngx_http_upstream_t *u;
|
|
348
|
597 ngx_http_proxy_ctx_t *ctx;
|
|
58
|
598 ngx_http_proxy_loc_conf_t *plcf;
|
|
126
|
599
|
|
510
|
600 if (ngx_http_upstream_create(r) != NGX_OK) {
|
|
58
|
601 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
602 }
|
|
126
|
603
|
|
348
|
604 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t));
|
|
|
605 if (ctx == NULL) {
|
|
|
606 return NGX_ERROR;
|
|
|
607 }
|
|
|
608
|
|
|
609 ngx_http_set_ctx(r, ctx, ngx_http_proxy_module);
|
|
|
610
|
|
|
611 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
612
|
|
510
|
613 u = r->upstream;
|
|
|
614
|
|
348
|
615 if (plcf->proxy_lengths == 0) {
|
|
|
616 ctx->vars = plcf->vars;
|
|
430
|
617 u->schema = plcf->vars.schema;
|
|
348
|
618 #if (NGX_HTTP_SSL)
|
|
|
619 u->ssl = (plcf->upstream.ssl != NULL);
|
|
|
620 #endif
|
|
|
621
|
|
|
622 } else {
|
|
|
623 if (ngx_http_proxy_eval(r, ctx, plcf) != NGX_OK) {
|
|
|
624 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
625 }
|
|
|
626 }
|
|
|
627
|
|
58
|
628 u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module;
|
|
|
629
|
|
|
630 u->conf = &plcf->upstream;
|
|
|
631
|
|
464
|
632 #if (NGX_HTTP_CACHE)
|
|
|
633 u->create_key = ngx_http_proxy_create_key;
|
|
|
634 #endif
|
|
58
|
635 u->create_request = ngx_http_proxy_create_request;
|
|
|
636 u->reinit_request = ngx_http_proxy_reinit_request;
|
|
|
637 u->process_header = ngx_http_proxy_process_status_line;
|
|
|
638 u->abort_request = ngx_http_proxy_abort_request;
|
|
|
639 u->finalize_request = ngx_http_proxy_finalize_request;
|
|
|
640
|
|
|
641 if (plcf->redirects) {
|
|
|
642 u->rewrite_redirect = ngx_http_proxy_rewrite_redirect;
|
|
|
643 }
|
|
|
644
|
|
198
|
645 u->buffering = plcf->upstream.buffering;
|
|
|
646
|
|
|
647 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
|
|
|
648 if (u->pipe == NULL) {
|
|
|
649 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
130
|
650 }
|
|
58
|
651
|
|
198
|
652 u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
|
|
|
653
|
|
58
|
654 u->accel = 1;
|
|
126
|
655
|
|
58
|
656 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
|
657
|
|
|
658 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
|
659 return rc;
|
|
|
660 }
|
|
|
661
|
|
|
662 return NGX_DONE;
|
|
|
663 }
|
|
|
664
|
|
|
665
|
|
|
666 static ngx_int_t
|
|
348
|
667 ngx_http_proxy_eval(ngx_http_request_t *r, ngx_http_proxy_ctx_t *ctx,
|
|
|
668 ngx_http_proxy_loc_conf_t *plcf)
|
|
|
669 {
|
|
464
|
670 u_char *p;
|
|
|
671 size_t add;
|
|
|
672 u_short port;
|
|
|
673 ngx_str_t proxy;
|
|
|
674 ngx_url_t url;
|
|
|
675 ngx_http_upstream_t *u;
|
|
348
|
676
|
|
|
677 if (ngx_http_script_run(r, &proxy, plcf->proxy_lengths->elts, 0,
|
|
|
678 plcf->proxy_values->elts)
|
|
|
679 == NULL)
|
|
|
680 {
|
|
|
681 return NGX_ERROR;
|
|
|
682 }
|
|
|
683
|
|
|
684 if (ngx_strncasecmp(proxy.data, (u_char *) "http://", 7) == 0) {
|
|
|
685
|
|
|
686 add = 7;
|
|
|
687 port = 80;
|
|
|
688
|
|
|
689 #if (NGX_HTTP_SSL)
|
|
|
690
|
|
|
691 } else if (ngx_strncasecmp(proxy.data, (u_char *) "https://", 8) == 0) {
|
|
|
692
|
|
|
693 add = 8;
|
|
|
694 port = 443;
|
|
|
695 r->upstream->ssl = 1;
|
|
|
696
|
|
|
697 #endif
|
|
|
698
|
|
|
699 } else {
|
|
|
700 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
701 "invalid URL prefix in \"%V\"", &proxy);
|
|
|
702 return NGX_ERROR;
|
|
|
703 }
|
|
|
704
|
|
464
|
705 u = r->upstream;
|
|
|
706
|
|
|
707 u->schema.len = add;
|
|
|
708 u->schema.data = proxy.data;
|
|
|
709
|
|
|
710 ngx_memzero(&url, sizeof(ngx_url_t));
|
|
|
711
|
|
|
712 url.url.len = proxy.len - add;
|
|
|
713 url.url.data = proxy.data + add;
|
|
|
714 url.default_port = port;
|
|
|
715 url.uri_part = 1;
|
|
|
716 url.no_resolve = 1;
|
|
|
717
|
|
|
718 if (ngx_parse_url(r->pool, &url) != NGX_OK) {
|
|
|
719 if (url.err) {
|
|
348
|
720 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
464
|
721 "%s in upstream \"%V\"", url.err, &url.url);
|
|
348
|
722 }
|
|
|
723
|
|
|
724 return NGX_ERROR;
|
|
|
725 }
|
|
|
726
|
|
546
|
727 if (url.uri.len) {
|
|
|
728 if (url.uri.data[0] == '?') {
|
|
|
729 p = ngx_pnalloc(r->pool, url.uri.len + 1);
|
|
|
730 if (p == NULL) {
|
|
|
731 return NGX_ERROR;
|
|
|
732 }
|
|
|
733
|
|
|
734 *p++ = '/';
|
|
|
735 ngx_memcpy(p, url.uri.data, url.uri.len);
|
|
|
736
|
|
|
737 url.uri.len++;
|
|
|
738 url.uri.data = p - 1;
|
|
416
|
739 }
|
|
|
740
|
|
546
|
741 } else {
|
|
|
742 url.uri = r->unparsed_uri;
|
|
416
|
743 }
|
|
|
744
|
|
464
|
745 ctx->vars.key_start = u->schema;
|
|
|
746
|
|
|
747 ngx_http_proxy_set_vars(&url, &ctx->vars);
|
|
|
748
|
|
|
749 u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t));
|
|
|
750 if (u->resolved == NULL) {
|
|
348
|
751 return NGX_ERROR;
|
|
|
752 }
|
|
|
753
|
|
464
|
754 if (url.addrs && url.addrs[0].sockaddr) {
|
|
|
755 u->resolved->sockaddr = url.addrs[0].sockaddr;
|
|
|
756 u->resolved->socklen = url.addrs[0].socklen;
|
|
|
757 u->resolved->naddrs = 1;
|
|
|
758 u->resolved->host = url.addrs[0].name;
|
|
434
|
759
|
|
|
760 } else {
|
|
464
|
761 u->resolved->host = url.host;
|
|
|
762 u->resolved->port = (in_port_t) (url.no_port ? port : url.port);
|
|
|
763 u->resolved->no_port = url.no_port;
|
|
434
|
764 }
|
|
348
|
765
|
|
|
766 return NGX_OK;
|
|
|
767 }
|
|
|
768
|
|
|
769
|
|
464
|
770 #if (NGX_HTTP_CACHE)
|
|
|
771
|
|
|
772 static ngx_int_t
|
|
|
773 ngx_http_proxy_create_key(ngx_http_request_t *r)
|
|
|
774 {
|
|
|
775 size_t len, loc_len;
|
|
|
776 u_char *p;
|
|
|
777 uintptr_t escape;
|
|
|
778 ngx_str_t *key;
|
|
|
779 ngx_http_upstream_t *u;
|
|
|
780 ngx_http_proxy_ctx_t *ctx;
|
|
|
781 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
782
|
|
|
783 u = r->upstream;
|
|
|
784
|
|
|
785 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
786
|
|
|
787 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
788
|
|
|
789 key = ngx_array_push(&r->cache->keys);
|
|
|
790 if (key == NULL) {
|
|
|
791 return NGX_ERROR;
|
|
|
792 }
|
|
|
793
|
|
472
|
794 if (plcf->cache_key.value.len) {
|
|
|
795
|
|
|
796 if (ngx_http_complex_value(r, &plcf->cache_key, key) != NGX_OK) {
|
|
|
797 return NGX_ERROR;
|
|
|
798 }
|
|
|
799
|
|
|
800 return NGX_OK;
|
|
|
801 }
|
|
|
802
|
|
464
|
803 *key = ctx->vars.key_start;
|
|
|
804
|
|
|
805 key = ngx_array_push(&r->cache->keys);
|
|
|
806 if (key == NULL) {
|
|
|
807 return NGX_ERROR;
|
|
|
808 }
|
|
|
809
|
|
|
810 if (plcf->proxy_lengths) {
|
|
|
811
|
|
|
812 *key = ctx->vars.uri;
|
|
|
813 u->uri = ctx->vars.uri;
|
|
|
814
|
|
|
815 return NGX_OK;
|
|
|
816
|
|
|
817 } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri && r == r->main)
|
|
|
818 {
|
|
|
819 *key = r->unparsed_uri;
|
|
|
820 u->uri = r->unparsed_uri;
|
|
|
821
|
|
|
822 return NGX_OK;
|
|
|
823 }
|
|
|
824
|
|
|
825 loc_len = (r->valid_location && ctx->vars.uri.len) ? plcf->location.len : 0;
|
|
|
826
|
|
|
827 if (r->quoted_uri || r->internal) {
|
|
|
828 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
|
|
|
829 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
830 } else {
|
|
|
831 escape = 0;
|
|
|
832 }
|
|
|
833
|
|
|
834 len = ctx->vars.uri.len + r->uri.len - loc_len + escape
|
|
|
835 + sizeof("?") - 1 + r->args.len;
|
|
|
836
|
|
|
837 p = ngx_pnalloc(r->pool, len);
|
|
|
838 if (p == NULL) {
|
|
|
839 return NGX_ERROR;
|
|
|
840 }
|
|
|
841
|
|
|
842 key->data = p;
|
|
|
843
|
|
|
844 if (r->valid_location) {
|
|
|
845 p = ngx_copy(p, ctx->vars.uri.data, ctx->vars.uri.len);
|
|
|
846 }
|
|
|
847
|
|
|
848 if (escape) {
|
|
|
849 ngx_escape_uri(p, r->uri.data + loc_len,
|
|
|
850 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
851 p += r->uri.len - loc_len + escape;
|
|
|
852
|
|
|
853 } else {
|
|
|
854 p = ngx_copy(p, r->uri.data + loc_len, r->uri.len - loc_len);
|
|
|
855 }
|
|
|
856
|
|
|
857 if (r->args.len > 0) {
|
|
|
858 *p++ = '?';
|
|
|
859 p = ngx_copy(p, r->args.data, r->args.len);
|
|
|
860 }
|
|
|
861
|
|
|
862 key->len = p - key->data;
|
|
|
863 u->uri = *key;
|
|
|
864
|
|
|
865 return NGX_OK;
|
|
|
866 }
|
|
|
867
|
|
|
868 #endif
|
|
|
869
|
|
|
870
|
|
348
|
871 static ngx_int_t
|
|
58
|
872 ngx_http_proxy_create_request(ngx_http_request_t *r)
|
|
|
873 {
|
|
464
|
874 size_t len, uri_len, loc_len, body_len;
|
|
58
|
875 uintptr_t escape;
|
|
|
876 ngx_buf_t *b;
|
|
198
|
877 ngx_str_t method;
|
|
|
878 ngx_uint_t i, unparsed_uri;
|
|
58
|
879 ngx_chain_t *cl, *body;
|
|
|
880 ngx_list_part_t *part;
|
|
|
881 ngx_table_elt_t *header;
|
|
|
882 ngx_http_upstream_t *u;
|
|
348
|
883 ngx_http_proxy_ctx_t *ctx;
|
|
58
|
884 ngx_http_script_code_pt code;
|
|
|
885 ngx_http_script_engine_t e, le;
|
|
|
886 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
887 ngx_http_script_len_code_pt lcode;
|
|
|
888
|
|
|
889 u = r->upstream;
|
|
|
890
|
|
|
891 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
892
|
|
110
|
893 if (u->method.len) {
|
|
|
894 /* HEAD was changed to GET to cache response */
|
|
|
895 method = u->method;
|
|
|
896 method.len++;
|
|
|
897
|
|
|
898 } else if (plcf->method.len) {
|
|
|
899 method = plcf->method;
|
|
|
900
|
|
58
|
901 } else {
|
|
110
|
902 method = r->method_name;
|
|
|
903 method.len++;
|
|
58
|
904 }
|
|
|
905
|
|
352
|
906 len = method.len + sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1;
|
|
|
907
|
|
58
|
908 escape = 0;
|
|
348
|
909 loc_len = 0;
|
|
|
910 unparsed_uri = 0;
|
|
|
911
|
|
|
912 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
913
|
|
|
914 if (plcf->proxy_lengths) {
|
|
464
|
915 uri_len = ctx->vars.uri.len;
|
|
348
|
916
|
|
|
917 } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri && r == r->main)
|
|
|
918 {
|
|
158
|
919 unparsed_uri = 1;
|
|
464
|
920 uri_len = r->unparsed_uri.len;
|
|
58
|
921
|
|
|
922 } else {
|
|
348
|
923 loc_len = (r->valid_location && ctx->vars.uri.len) ?
|
|
|
924 plcf->location.len : 0;
|
|
|
925
|
|
336
|
926 if (r->quoted_uri || r->internal) {
|
|
58
|
927 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
|
|
|
928 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
929 }
|
|
|
930
|
|
464
|
931 uri_len = ctx->vars.uri.len + r->uri.len - loc_len + escape
|
|
|
932 + sizeof("?") - 1 + r->args.len;
|
|
58
|
933 }
|
|
|
934
|
|
464
|
935 if (uri_len == 0) {
|
|
|
936 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
937 "zero length URI to proxy");
|
|
|
938 return NGX_ERROR;
|
|
|
939 }
|
|
|
940
|
|
|
941 len += uri_len;
|
|
|
942
|
|
340
|
943 ngx_http_script_flush_no_cacheable_variables(r, plcf->flushes);
|
|
122
|
944
|
|
126
|
945 if (plcf->body_set_len) {
|
|
|
946 le.ip = plcf->body_set_len->elts;
|
|
|
947 le.request = r;
|
|
|
948 le.flushed = 1;
|
|
|
949 body_len = 0;
|
|
|
950
|
|
|
951 while (*(uintptr_t *) le.ip) {
|
|
|
952 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
953 body_len += lcode(&le);
|
|
|
954 }
|
|
|
955
|
|
348
|
956 ctx->internal_body_length = body_len;
|
|
126
|
957 len += body_len;
|
|
|
958 }
|
|
|
959
|
|
58
|
960 le.ip = plcf->headers_set_len->elts;
|
|
|
961 le.request = r;
|
|
122
|
962 le.flushed = 1;
|
|
58
|
963
|
|
|
964 while (*(uintptr_t *) le.ip) {
|
|
|
965 while (*(uintptr_t *) le.ip) {
|
|
|
966 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
967 len += lcode(&le);
|
|
|
968 }
|
|
|
969 le.ip += sizeof(uintptr_t);
|
|
|
970 }
|
|
|
971
|
|
|
972
|
|
|
973 if (plcf->upstream.pass_request_headers) {
|
|
|
974 part = &r->headers_in.headers.part;
|
|
|
975 header = part->elts;
|
|
|
976
|
|
|
977 for (i = 0; /* void */; i++) {
|
|
|
978
|
|
|
979 if (i >= part->nelts) {
|
|
|
980 if (part->next == NULL) {
|
|
|
981 break;
|
|
|
982 }
|
|
|
983
|
|
|
984 part = part->next;
|
|
|
985 header = part->elts;
|
|
126
|
986 i = 0;
|
|
58
|
987 }
|
|
|
988
|
|
198
|
989 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
990 header[i].lowcase_key, header[i].key.len))
|
|
58
|
991 {
|
|
|
992 continue;
|
|
|
993 }
|
|
|
994
|
|
|
995 len += header[i].key.len + sizeof(": ") - 1
|
|
|
996 + header[i].value.len + sizeof(CRLF) - 1;
|
|
|
997 }
|
|
|
998 }
|
|
|
999
|
|
|
1000
|
|
|
1001 b = ngx_create_temp_buf(r->pool, len);
|
|
|
1002 if (b == NULL) {
|
|
|
1003 return NGX_ERROR;
|
|
|
1004 }
|
|
|
1005
|
|
|
1006 cl = ngx_alloc_chain_link(r->pool);
|
|
|
1007 if (cl == NULL) {
|
|
|
1008 return NGX_ERROR;
|
|
|
1009 }
|
|
|
1010
|
|
|
1011 cl->buf = b;
|
|
|
1012
|
|
|
1013
|
|
|
1014 /* the request line */
|
|
|
1015
|
|
122
|
1016 b->last = ngx_copy(b->last, method.data, method.len);
|
|
58
|
1017
|
|
104
|
1018 u->uri.data = b->last;
|
|
|
1019
|
|
348
|
1020 if (plcf->proxy_lengths) {
|
|
|
1021 b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len);
|
|
|
1022
|
|
|
1023 } else if (unparsed_uri) {
|
|
122
|
1024 b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len);
|
|
|
1025
|
|
58
|
1026 } else {
|
|
104
|
1027 if (r->valid_location) {
|
|
348
|
1028 b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len);
|
|
104
|
1029 }
|
|
100
|
1030
|
|
58
|
1031 if (escape) {
|
|
|
1032 ngx_escape_uri(b->last, r->uri.data + loc_len,
|
|
|
1033 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
1034 b->last += r->uri.len - loc_len + escape;
|
|
|
1035
|
|
126
|
1036 } else {
|
|
122
|
1037 b->last = ngx_copy(b->last, r->uri.data + loc_len,
|
|
|
1038 r->uri.len - loc_len);
|
|
58
|
1039 }
|
|
|
1040
|
|
|
1041 if (r->args.len > 0) {
|
|
|
1042 *b->last++ = '?';
|
|
122
|
1043 b->last = ngx_copy(b->last, r->args.data, r->args.len);
|
|
58
|
1044 }
|
|
|
1045 }
|
|
|
1046
|
|
104
|
1047 u->uri.len = b->last - u->uri.data;
|
|
|
1048
|
|
58
|
1049 b->last = ngx_cpymem(b->last, ngx_http_proxy_version,
|
|
|
1050 sizeof(ngx_http_proxy_version) - 1);
|
|
|
1051
|
|
126
|
1052 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
58
|
1053
|
|
|
1054 e.ip = plcf->headers_set->elts;
|
|
|
1055 e.pos = b->last;
|
|
|
1056 e.request = r;
|
|
122
|
1057 e.flushed = 1;
|
|
58
|
1058
|
|
|
1059 le.ip = plcf->headers_set_len->elts;
|
|
|
1060
|
|
|
1061 while (*(uintptr_t *) le.ip) {
|
|
|
1062 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
64
|
1063
|
|
|
1064 /* skip the header line name length */
|
|
|
1065 (void) lcode(&le);
|
|
58
|
1066
|
|
|
1067 if (*(ngx_http_script_len_code_pt *) le.ip) {
|
|
|
1068
|
|
|
1069 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) {
|
|
|
1070 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
1071 }
|
|
|
1072
|
|
|
1073 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0;
|
|
|
1074
|
|
|
1075 } else {
|
|
|
1076 e.skip = 0;
|
|
|
1077 }
|
|
|
1078
|
|
|
1079 le.ip += sizeof(uintptr_t);
|
|
|
1080
|
|
|
1081 while (*(uintptr_t *) e.ip) {
|
|
|
1082 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1083 code((ngx_http_script_engine_t *) &e);
|
|
126
|
1084 }
|
|
58
|
1085 e.ip += sizeof(uintptr_t);
|
|
|
1086 }
|
|
|
1087
|
|
|
1088 b->last = e.pos;
|
|
|
1089
|
|
|
1090
|
|
|
1091 if (plcf->upstream.pass_request_headers) {
|
|
|
1092 part = &r->headers_in.headers.part;
|
|
|
1093 header = part->elts;
|
|
126
|
1094
|
|
58
|
1095 for (i = 0; /* void */; i++) {
|
|
|
1096
|
|
|
1097 if (i >= part->nelts) {
|
|
|
1098 if (part->next == NULL) {
|
|
|
1099 break;
|
|
|
1100 }
|
|
|
1101
|
|
|
1102 part = part->next;
|
|
|
1103 header = part->elts;
|
|
126
|
1104 i = 0;
|
|
58
|
1105 }
|
|
|
1106
|
|
198
|
1107 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
1108 header[i].lowcase_key, header[i].key.len))
|
|
58
|
1109 {
|
|
|
1110 continue;
|
|
|
1111 }
|
|
|
1112
|
|
122
|
1113 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len);
|
|
58
|
1114
|
|
|
1115 *b->last++ = ':'; *b->last++ = ' ';
|
|
|
1116
|
|
122
|
1117 b->last = ngx_copy(b->last, header[i].value.data,
|
|
|
1118 header[i].value.len);
|
|
58
|
1119
|
|
|
1120 *b->last++ = CR; *b->last++ = LF;
|
|
|
1121
|
|
|
1122 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1123 "http proxy header: \"%V: %V\"",
|
|
|
1124 &header[i].key, &header[i].value);
|
|
|
1125 }
|
|
|
1126 }
|
|
|
1127
|
|
126
|
1128
|
|
58
|
1129 /* add "\r\n" at the header end */
|
|
|
1130 *b->last++ = CR; *b->last++ = LF;
|
|
|
1131
|
|
126
|
1132 if (plcf->body_set) {
|
|
|
1133 e.ip = plcf->body_set->elts;
|
|
|
1134 e.pos = b->last;
|
|
|
1135
|
|
|
1136 while (*(uintptr_t *) e.ip) {
|
|
|
1137 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1138 code((ngx_http_script_engine_t *) &e);
|
|
|
1139 }
|
|
128
|
1140
|
|
|
1141 b->last = e.pos;
|
|
126
|
1142 }
|
|
|
1143
|
|
358
|
1144 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1145 "http proxy header:\n\"%*s\"",
|
|
|
1146 (size_t) (b->last - b->pos), b->pos);
|
|
58
|
1147
|
|
126
|
1148 if (plcf->body_set == NULL && plcf->upstream.pass_request_body) {
|
|
58
|
1149
|
|
|
1150 body = u->request_bufs;
|
|
|
1151 u->request_bufs = cl;
|
|
|
1152
|
|
|
1153 while (body) {
|
|
|
1154 b = ngx_alloc_buf(r->pool);
|
|
|
1155 if (b == NULL) {
|
|
|
1156 return NGX_ERROR;
|
|
|
1157 }
|
|
|
1158
|
|
|
1159 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
1160
|
|
|
1161 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
1162 if (cl->next == NULL) {
|
|
|
1163 return NGX_ERROR;
|
|
|
1164 }
|
|
|
1165
|
|
|
1166 cl = cl->next;
|
|
|
1167 cl->buf = b;
|
|
|
1168
|
|
|
1169 body = body->next;
|
|
|
1170 }
|
|
|
1171
|
|
160
|
1172 b->flush = 1;
|
|
|
1173
|
|
58
|
1174 } else {
|
|
|
1175 u->request_bufs = cl;
|
|
|
1176 }
|
|
|
1177
|
|
|
1178 cl->next = NULL;
|
|
|
1179
|
|
|
1180 return NGX_OK;
|
|
|
1181 }
|
|
|
1182
|
|
|
1183
|
|
|
1184 static ngx_int_t
|
|
|
1185 ngx_http_proxy_reinit_request(ngx_http_request_t *r)
|
|
|
1186 {
|
|
348
|
1187 ngx_http_proxy_ctx_t *ctx;
|
|
|
1188
|
|
|
1189 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1190
|
|
|
1191 if (ctx == NULL) {
|
|
58
|
1192 return NGX_OK;
|
|
|
1193 }
|
|
|
1194
|
|
348
|
1195 ctx->status = 0;
|
|
|
1196 ctx->status_count = 0;
|
|
|
1197 ctx->status_start = NULL;
|
|
|
1198 ctx->status_end = NULL;
|
|
58
|
1199
|
|
|
1200 r->upstream->process_header = ngx_http_proxy_process_status_line;
|
|
|
1201
|
|
|
1202 return NGX_OK;
|
|
|
1203 }
|
|
|
1204
|
|
|
1205
|
|
|
1206 static ngx_int_t
|
|
|
1207 ngx_http_proxy_process_status_line(ngx_http_request_t *r)
|
|
|
1208 {
|
|
|
1209 ngx_int_t rc;
|
|
|
1210 ngx_http_upstream_t *u;
|
|
348
|
1211 ngx_http_proxy_ctx_t *ctx;
|
|
|
1212
|
|
|
1213 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1214
|
|
|
1215 if (ctx == NULL) {
|
|
356
|
1216 return NGX_ERROR;
|
|
58
|
1217 }
|
|
|
1218
|
|
348
|
1219 rc = ngx_http_proxy_parse_status_line(r, ctx);
|
|
58
|
1220
|
|
|
1221 if (rc == NGX_AGAIN) {
|
|
|
1222 return rc;
|
|
|
1223 }
|
|
|
1224
|
|
|
1225 u = r->upstream;
|
|
|
1226
|
|
|
1227 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) {
|
|
464
|
1228
|
|
|
1229 #if (NGX_HTTP_CACHE)
|
|
|
1230
|
|
|
1231 if (r->cache) {
|
|
|
1232 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
1233 return NGX_OK;
|
|
|
1234 }
|
|
|
1235
|
|
|
1236 #endif
|
|
|
1237
|
|
58
|
1238 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
126
|
1239 "upstream sent no valid HTTP/1.0 header");
|
|
58
|
1240
|
|
168
|
1241 #if 0
|
|
58
|
1242 if (u->accel) {
|
|
|
1243 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1244 }
|
|
168
|
1245 #endif
|
|
58
|
1246
|
|
|
1247 r->http_version = NGX_HTTP_VERSION_9;
|
|
346
|
1248 u->state->status = NGX_HTTP_OK;
|
|
126
|
1249
|
|
58
|
1250 return NGX_OK;
|
|
|
1251 }
|
|
|
1252
|
|
464
|
1253 if (u->state) {
|
|
|
1254 u->state->status = ctx->status;
|
|
|
1255 }
|
|
|
1256
|
|
348
|
1257 u->headers_in.status_n = ctx->status;
|
|
|
1258
|
|
|
1259 u->headers_in.status_line.len = ctx->status_end - ctx->status_start;
|
|
382
|
1260 u->headers_in.status_line.data = ngx_pnalloc(r->pool,
|
|
|
1261 u->headers_in.status_line.len);
|
|
78
|
1262 if (u->headers_in.status_line.data == NULL) {
|
|
356
|
1263 return NGX_ERROR;
|
|
58
|
1264 }
|
|
122
|
1265
|
|
348
|
1266 ngx_memcpy(u->headers_in.status_line.data, ctx->status_start,
|
|
78
|
1267 u->headers_in.status_line.len);
|
|
58
|
1268
|
|
|
1269 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1270 "http proxy status %ui \"%V\"",
|
|
270
|
1271 u->headers_in.status_n, &u->headers_in.status_line);
|
|
58
|
1272
|
|
|
1273 u->process_header = ngx_http_proxy_process_header;
|
|
|
1274
|
|
|
1275 return ngx_http_proxy_process_header(r);
|
|
|
1276 }
|
|
|
1277
|
|
|
1278
|
|
|
1279 static ngx_int_t
|
|
348
|
1280 ngx_http_proxy_parse_status_line(ngx_http_request_t *r,
|
|
|
1281 ngx_http_proxy_ctx_t *ctx)
|
|
58
|
1282 {
|
|
|
1283 u_char ch;
|
|
348
|
1284 u_char *p;
|
|
58
|
1285 ngx_http_upstream_t *u;
|
|
|
1286 enum {
|
|
|
1287 sw_start = 0,
|
|
|
1288 sw_H,
|
|
|
1289 sw_HT,
|
|
|
1290 sw_HTT,
|
|
|
1291 sw_HTTP,
|
|
|
1292 sw_first_major_digit,
|
|
|
1293 sw_major_digit,
|
|
|
1294 sw_first_minor_digit,
|
|
|
1295 sw_minor_digit,
|
|
|
1296 sw_status,
|
|
|
1297 sw_space_after_status,
|
|
|
1298 sw_status_text,
|
|
|
1299 sw_almost_done
|
|
126
|
1300 } state;
|
|
58
|
1301
|
|
|
1302 u = r->upstream;
|
|
|
1303
|
|
|
1304 state = r->state;
|
|
|
1305
|
|
348
|
1306 for (p = u->buffer.pos; p < u->buffer.last; p++) {
|
|
|
1307 ch = *p;
|
|
58
|
1308
|
|
|
1309 switch (state) {
|
|
|
1310
|
|
|
1311 /* "HTTP/" */
|
|
|
1312 case sw_start:
|
|
|
1313 switch (ch) {
|
|
126
|
1314 case 'H':
|
|
58
|
1315 state = sw_H;
|
|
|
1316 break;
|
|
|
1317 default:
|
|
|
1318 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1319 }
|
|
|
1320 break;
|
|
|
1321
|
|
126
|
1322 case sw_H:
|
|
58
|
1323 switch (ch) {
|
|
126
|
1324 case 'T':
|
|
58
|
1325 state = sw_HT;
|
|
|
1326 break;
|
|
|
1327 default:
|
|
|
1328 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1329 }
|
|
|
1330 break;
|
|
|
1331
|
|
|
1332 case sw_HT:
|
|
|
1333 switch (ch) {
|
|
126
|
1334 case 'T':
|
|
58
|
1335 state = sw_HTT;
|
|
|
1336 break;
|
|
|
1337 default:
|
|
|
1338 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1339 }
|
|
|
1340 break;
|
|
|
1341
|
|
|
1342 case sw_HTT:
|
|
|
1343 switch (ch) {
|
|
126
|
1344 case 'P':
|
|
58
|
1345 state = sw_HTTP;
|
|
|
1346 break;
|
|
|
1347 default:
|
|
|
1348 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1349 }
|
|
|
1350 break;
|
|
|
1351
|
|
|
1352 case sw_HTTP:
|
|
|
1353 switch (ch) {
|
|
126
|
1354 case '/':
|
|
58
|
1355 state = sw_first_major_digit;
|
|
|
1356 break;
|
|
|
1357 default:
|
|
|
1358 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1359 }
|
|
|
1360 break;
|
|
|
1361
|
|
|
1362 /* the first digit of major HTTP version */
|
|
|
1363 case sw_first_major_digit:
|
|
|
1364 if (ch < '1' || ch > '9') {
|
|
|
1365 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1366 }
|
|
|
1367
|
|
|
1368 state = sw_major_digit;
|
|
|
1369 break;
|
|
|
1370
|
|
|
1371 /* the major HTTP version or dot */
|
|
|
1372 case sw_major_digit:
|
|
|
1373 if (ch == '.') {
|
|
|
1374 state = sw_first_minor_digit;
|
|
|
1375 break;
|
|
|
1376 }
|
|
|
1377
|
|
|
1378 if (ch < '0' || ch > '9') {
|
|
|
1379 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1380 }
|
|
|
1381
|
|
|
1382 break;
|
|
|
1383
|
|
|
1384 /* the first digit of minor HTTP version */
|
|
|
1385 case sw_first_minor_digit:
|
|
|
1386 if (ch < '0' || ch > '9') {
|
|
|
1387 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1388 }
|
|
|
1389
|
|
|
1390 state = sw_minor_digit;
|
|
|
1391 break;
|
|
|
1392
|
|
|
1393 /* the minor HTTP version or the end of the request line */
|
|
|
1394 case sw_minor_digit:
|
|
|
1395 if (ch == ' ') {
|
|
|
1396 state = sw_status;
|
|
|
1397 break;
|
|
|
1398 }
|
|
|
1399
|
|
|
1400 if (ch < '0' || ch > '9') {
|
|
|
1401 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1402 }
|
|
|
1403
|
|
|
1404 break;
|
|
|
1405
|
|
|
1406 /* HTTP status code */
|
|
|
1407 case sw_status:
|
|
168
|
1408 if (ch == ' ') {
|
|
|
1409 break;
|
|
|
1410 }
|
|
|
1411
|
|
58
|
1412 if (ch < '0' || ch > '9') {
|
|
|
1413 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1414 }
|
|
|
1415
|
|
348
|
1416 ctx->status = ctx->status * 10 + ch - '0';
|
|
|
1417
|
|
|
1418 if (++ctx->status_count == 3) {
|
|
58
|
1419 state = sw_space_after_status;
|
|
348
|
1420 ctx->status_start = p - 2;
|
|
58
|
1421 }
|
|
|
1422
|
|
|
1423 break;
|
|
|
1424
|
|
|
1425 /* space or end of line */
|
|
|
1426 case sw_space_after_status:
|
|
|
1427 switch (ch) {
|
|
126
|
1428 case ' ':
|
|
58
|
1429 state = sw_status_text;
|
|
|
1430 break;
|
|
|
1431 case '.': /* IIS may send 403.1, 403.2, etc */
|
|
|
1432 state = sw_status_text;
|
|
|
1433 break;
|
|
|
1434 case CR:
|
|
|
1435 state = sw_almost_done;
|
|
|
1436 break;
|
|
|
1437 case LF:
|
|
|
1438 goto done;
|
|
|
1439 default:
|
|
|
1440 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1441 }
|
|
|
1442 break;
|
|
|
1443
|
|
|
1444 /* any text until end of line */
|
|
|
1445 case sw_status_text:
|
|
|
1446 switch (ch) {
|
|
|
1447 case CR:
|
|
|
1448 state = sw_almost_done;
|
|
|
1449
|
|
|
1450 break;
|
|
|
1451 case LF:
|
|
|
1452 goto done;
|
|
|
1453 }
|
|
|
1454 break;
|
|
|
1455
|
|
76
|
1456 /* end of status line */
|
|
58
|
1457 case sw_almost_done:
|
|
348
|
1458 ctx->status_end = p - 1;
|
|
58
|
1459 switch (ch) {
|
|
|
1460 case LF:
|
|
|
1461 goto done;
|
|
|
1462 default:
|
|
|
1463 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1464 }
|
|
|
1465 }
|
|
|
1466 }
|
|
|
1467
|
|
348
|
1468 u->buffer.pos = p;
|
|
58
|
1469 r->state = state;
|
|
|
1470
|
|
|
1471 return NGX_AGAIN;
|
|
|
1472
|
|
|
1473 done:
|
|
|
1474
|
|
348
|
1475 u->buffer.pos = p + 1;
|
|
|
1476
|
|
|
1477 if (ctx->status_end == NULL) {
|
|
|
1478 ctx->status_end = p;
|
|
58
|
1479 }
|
|
|
1480
|
|
|
1481 r->state = sw_start;
|
|
|
1482
|
|
|
1483 return NGX_OK;
|
|
|
1484 }
|
|
|
1485
|
|
|
1486
|
|
|
1487 static ngx_int_t
|
|
|
1488 ngx_http_proxy_process_header(ngx_http_request_t *r)
|
|
|
1489 {
|
|
|
1490 ngx_int_t rc;
|
|
|
1491 ngx_table_elt_t *h;
|
|
|
1492 ngx_http_upstream_header_t *hh;
|
|
|
1493 ngx_http_upstream_main_conf_t *umcf;
|
|
|
1494
|
|
|
1495 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
1496
|
|
378
|
1497 for ( ;; ) {
|
|
58
|
1498
|
|
412
|
1499 rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1);
|
|
58
|
1500
|
|
|
1501 if (rc == NGX_OK) {
|
|
|
1502
|
|
|
1503 /* a header line has been parsed successfully */
|
|
|
1504
|
|
|
1505 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1506 if (h == NULL) {
|
|
356
|
1507 return NGX_ERROR;
|
|
58
|
1508 }
|
|
|
1509
|
|
|
1510 h->hash = r->header_hash;
|
|
|
1511
|
|
|
1512 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
1513 h->value.len = r->header_end - r->header_start;
|
|
|
1514
|
|
382
|
1515 h->key.data = ngx_pnalloc(r->pool,
|
|
198
|
1516 h->key.len + 1 + h->value.len + 1 + h->key.len);
|
|
58
|
1517 if (h->key.data == NULL) {
|
|
356
|
1518 return NGX_ERROR;
|
|
58
|
1519 }
|
|
|
1520
|
|
|
1521 h->value.data = h->key.data + h->key.len + 1;
|
|
198
|
1522 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1;
|
|
58
|
1523
|
|
|
1524 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
|
1525 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
|
1526
|
|
198
|
1527 if (h->key.len == r->lowcase_index) {
|
|
|
1528 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
1529
|
|
|
1530 } else {
|
|
392
|
1531 ngx_strlow(h->lowcase_key, h->key.data, h->key.len);
|
|
58
|
1532 }
|
|
|
1533
|
|
198
|
1534 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash,
|
|
|
1535 h->lowcase_key, h->key.len);
|
|
|
1536
|
|
|
1537 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
356
|
1538 return NGX_ERROR;
|
|
198
|
1539 }
|
|
|
1540
|
|
58
|
1541 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1542 "http proxy header: \"%V: %V\"",
|
|
|
1543 &h->key, &h->value);
|
|
|
1544
|
|
|
1545 continue;
|
|
|
1546 }
|
|
|
1547
|
|
|
1548 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
|
1549
|
|
|
1550 /* a whole header has been parsed successfully */
|
|
|
1551
|
|
|
1552 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1553 "http proxy header done");
|
|
|
1554
|
|
198
|
1555 /*
|
|
|
1556 * if no "Server" and "Date" in header line,
|
|
|
1557 * then add the special empty headers
|
|
|
1558 */
|
|
|
1559
|
|
|
1560 if (r->upstream->headers_in.server == NULL) {
|
|
|
1561 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1562 if (h == NULL) {
|
|
356
|
1563 return NGX_ERROR;
|
|
198
|
1564 }
|
|
|
1565
|
|
|
1566 h->hash = ngx_hash(ngx_hash(ngx_hash(ngx_hash(
|
|
|
1567 ngx_hash('s', 'e'), 'r'), 'v'), 'e'), 'r');
|
|
|
1568
|
|
|
1569 h->key.len = sizeof("Server") - 1;
|
|
|
1570 h->key.data = (u_char *) "Server";
|
|
|
1571 h->value.len = 0;
|
|
|
1572 h->value.data = NULL;
|
|
|
1573 h->lowcase_key = (u_char *) "server";
|
|
|
1574 }
|
|
|
1575
|
|
|
1576 if (r->upstream->headers_in.date == NULL) {
|
|
|
1577 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1578 if (h == NULL) {
|
|
356
|
1579 return NGX_ERROR;
|
|
198
|
1580 }
|
|
|
1581
|
|
|
1582 h->hash = ngx_hash(ngx_hash(ngx_hash('d', 'a'), 't'), 'e');
|
|
|
1583
|
|
|
1584 h->key.len = sizeof("Date") - 1;
|
|
|
1585 h->key.data = (u_char *) "Date";
|
|
|
1586 h->value.len = 0;
|
|
|
1587 h->value.data = NULL;
|
|
|
1588 h->lowcase_key = (u_char *) "date";
|
|
|
1589 }
|
|
|
1590
|
|
58
|
1591 return NGX_OK;
|
|
|
1592 }
|
|
|
1593
|
|
70
|
1594 if (rc == NGX_AGAIN) {
|
|
|
1595 return NGX_AGAIN;
|
|
|
1596 }
|
|
|
1597
|
|
58
|
1598 /* there was error while a header line parsing */
|
|
|
1599
|
|
|
1600 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
168
|
1601 "upstream sent invalid header");
|
|
58
|
1602
|
|
|
1603 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1604 }
|
|
|
1605 }
|
|
|
1606
|
|
|
1607
|
|
|
1608 static void
|
|
|
1609 ngx_http_proxy_abort_request(ngx_http_request_t *r)
|
|
|
1610 {
|
|
|
1611 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1612 "abort http proxy request");
|
|
126
|
1613
|
|
58
|
1614 return;
|
|
|
1615 }
|
|
|
1616
|
|
|
1617
|
|
|
1618 static void
|
|
|
1619 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
126
|
1620 {
|
|
58
|
1621 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1622 "finalize http proxy request");
|
|
|
1623
|
|
|
1624 return;
|
|
|
1625 }
|
|
|
1626
|
|
|
1627
|
|
122
|
1628 static ngx_int_t
|
|
|
1629 ngx_http_proxy_host_variable(ngx_http_request_t *r,
|
|
|
1630 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1631 {
|
|
348
|
1632 ngx_http_proxy_ctx_t *ctx;
|
|
|
1633
|
|
|
1634 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1635
|
|
|
1636 if (ctx == NULL) {
|
|
|
1637 v->not_found = 1;
|
|
|
1638 return NGX_OK;
|
|
|
1639 }
|
|
|
1640
|
|
|
1641 v->len = ctx->vars.host_header.len;
|
|
126
|
1642 v->valid = 1;
|
|
340
|
1643 v->no_cacheable = 0;
|
|
122
|
1644 v->not_found = 0;
|
|
348
|
1645 v->data = ctx->vars.host_header.data;
|
|
58
|
1646
|
|
122
|
1647 return NGX_OK;
|
|
58
|
1648 }
|
|
|
1649
|
|
|
1650
|
|
122
|
1651 static ngx_int_t
|
|
|
1652 ngx_http_proxy_port_variable(ngx_http_request_t *r,
|
|
|
1653 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1654 {
|
|
348
|
1655 ngx_http_proxy_ctx_t *ctx;
|
|
|
1656
|
|
|
1657 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1658
|
|
|
1659 if (ctx == NULL) {
|
|
|
1660 v->not_found = 1;
|
|
|
1661 return NGX_OK;
|
|
|
1662 }
|
|
|
1663
|
|
|
1664 v->len = ctx->vars.port.len;
|
|
126
|
1665 v->valid = 1;
|
|
340
|
1666 v->no_cacheable = 0;
|
|
122
|
1667 v->not_found = 0;
|
|
348
|
1668 v->data = ctx->vars.port.data;
|
|
58
|
1669
|
|
122
|
1670 return NGX_OK;
|
|
58
|
1671 }
|
|
|
1672
|
|
|
1673
|
|
122
|
1674 static ngx_int_t
|
|
58
|
1675 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
|
|
122
|
1676 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1677 {
|
|
122
|
1678 u_char *p;
|
|
58
|
1679
|
|
126
|
1680 v->valid = 1;
|
|
340
|
1681 v->no_cacheable = 0;
|
|
122
|
1682 v->not_found = 0;
|
|
58
|
1683
|
|
|
1684 if (r->headers_in.x_forwarded_for == NULL) {
|
|
122
|
1685 v->len = r->connection->addr_text.len;
|
|
|
1686 v->data = r->connection->addr_text.data;
|
|
|
1687 return NGX_OK;
|
|
58
|
1688 }
|
|
|
1689
|
|
122
|
1690 v->len = r->headers_in.x_forwarded_for->value.len
|
|
|
1691 + sizeof(", ") - 1 + r->connection->addr_text.len;
|
|
58
|
1692
|
|
382
|
1693 p = ngx_pnalloc(r->pool, v->len);
|
|
58
|
1694 if (p == NULL) {
|
|
122
|
1695 return NGX_ERROR;
|
|
58
|
1696 }
|
|
|
1697
|
|
122
|
1698 v->data = p;
|
|
58
|
1699
|
|
122
|
1700 p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data,
|
|
|
1701 r->headers_in.x_forwarded_for->value.len);
|
|
58
|
1702
|
|
|
1703 *p++ = ','; *p++ = ' ';
|
|
|
1704
|
|
|
1705 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len);
|
|
|
1706
|
|
122
|
1707 return NGX_OK;
|
|
58
|
1708 }
|
|
|
1709
|
|
|
1710
|
|
|
1711 static ngx_int_t
|
|
126
|
1712 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
|
|
|
1713 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1714 {
|
|
348
|
1715 ngx_http_proxy_ctx_t *ctx;
|
|
|
1716
|
|
|
1717 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1718
|
|
|
1719 if (ctx == NULL) {
|
|
126
|
1720 v->not_found = 1;
|
|
|
1721 return NGX_OK;
|
|
|
1722 }
|
|
|
1723
|
|
|
1724 v->valid = 1;
|
|
340
|
1725 v->no_cacheable = 0;
|
|
126
|
1726 v->not_found = 0;
|
|
|
1727
|
|
382
|
1728 v->data = ngx_pnalloc(r->connection->pool, NGX_SIZE_T_LEN);
|
|
126
|
1729
|
|
|
1730 if (v->data == NULL) {
|
|
|
1731 return NGX_ERROR;
|
|
|
1732 }
|
|
|
1733
|
|
348
|
1734 v->len = ngx_sprintf(v->data, "%uz", ctx->internal_body_length) - v->data;
|
|
126
|
1735
|
|
|
1736 return NGX_OK;
|
|
|
1737 }
|
|
|
1738
|
|
|
1739
|
|
|
1740 static ngx_int_t
|
|
58
|
1741 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1742 size_t prefix)
|
|
|
1743 {
|
|
|
1744 ngx_int_t rc;
|
|
|
1745 ngx_uint_t i;
|
|
|
1746 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1747 ngx_http_proxy_redirect_t *pr;
|
|
|
1748
|
|
|
1749 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1750
|
|
|
1751 pr = plcf->redirects->elts;
|
|
|
1752
|
|
|
1753 if (pr == NULL) {
|
|
|
1754 return NGX_DECLINED;
|
|
|
1755 }
|
|
|
1756
|
|
|
1757 for (i = 0; i < plcf->redirects->nelts; i++) {
|
|
154
|
1758 rc = pr[i].handler(r, h, prefix, &pr[i]);
|
|
58
|
1759
|
|
|
1760 if (rc != NGX_DECLINED) {
|
|
|
1761 return rc;
|
|
|
1762 }
|
|
|
1763 }
|
|
|
1764
|
|
|
1765 return NGX_DECLINED;
|
|
|
1766 }
|
|
|
1767
|
|
|
1768
|
|
|
1769 static ngx_int_t
|
|
|
1770 ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1771 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1772 {
|
|
|
1773 size_t len;
|
|
|
1774 u_char *data, *p;
|
|
|
1775
|
|
|
1776 if (pr->redirect.len > h->value.len - prefix
|
|
|
1777 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1778 pr->redirect.len) != 0)
|
|
|
1779 {
|
|
|
1780 return NGX_DECLINED;
|
|
|
1781 }
|
|
|
1782
|
|
|
1783 len = prefix + pr->replacement.text.len + h->value.len - pr->redirect.len;
|
|
|
1784
|
|
382
|
1785 data = ngx_pnalloc(r->pool, len);
|
|
58
|
1786 if (data == NULL) {
|
|
|
1787 return NGX_ERROR;
|
|
|
1788 }
|
|
|
1789
|
|
|
1790 p = data;
|
|
|
1791
|
|
122
|
1792 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1793
|
|
202
|
1794 if (pr->replacement.text.len) {
|
|
|
1795 p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len);
|
|
|
1796 }
|
|
58
|
1797
|
|
|
1798 ngx_memcpy(p, h->value.data + prefix + pr->redirect.len,
|
|
|
1799 h->value.len - pr->redirect.len - prefix);
|
|
|
1800
|
|
|
1801 h->value.len = len;
|
|
|
1802 h->value.data = data;
|
|
|
1803
|
|
|
1804 return NGX_OK;
|
|
|
1805 }
|
|
|
1806
|
|
|
1807
|
|
|
1808 static ngx_int_t
|
|
|
1809 ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1810 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1811 {
|
|
|
1812 size_t len;
|
|
|
1813 u_char *data, *p;
|
|
|
1814 ngx_http_script_code_pt code;
|
|
|
1815 ngx_http_script_engine_t e;
|
|
|
1816 ngx_http_script_len_code_pt lcode;
|
|
|
1817
|
|
|
1818 if (pr->redirect.len > h->value.len - prefix
|
|
|
1819 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1820 pr->redirect.len) != 0)
|
|
|
1821 {
|
|
|
1822 return NGX_DECLINED;
|
|
|
1823 }
|
|
|
1824
|
|
|
1825 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
1826
|
|
|
1827 e.ip = pr->replacement.vars.lengths;
|
|
|
1828 e.request = r;
|
|
|
1829
|
|
238
|
1830 len = prefix + h->value.len - pr->redirect.len;
|
|
|
1831
|
|
|
1832 while (*(uintptr_t *) e.ip) {
|
|
58
|
1833 lcode = *(ngx_http_script_len_code_pt *) e.ip;
|
|
238
|
1834 len += lcode(&e);
|
|
58
|
1835 }
|
|
|
1836
|
|
382
|
1837 data = ngx_pnalloc(r->pool, len);
|
|
58
|
1838 if (data == NULL) {
|
|
|
1839 return NGX_ERROR;
|
|
|
1840 }
|
|
|
1841
|
|
|
1842 p = data;
|
|
|
1843
|
|
122
|
1844 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1845
|
|
|
1846 e.ip = pr->replacement.vars.values;
|
|
|
1847 e.pos = p;
|
|
|
1848
|
|
|
1849 while (*(uintptr_t *) e.ip) {
|
|
|
1850 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1851 code(&e);
|
|
|
1852 }
|
|
|
1853
|
|
238
|
1854 ngx_memcpy(e.pos, h->value.data + prefix + pr->redirect.len,
|
|
|
1855 h->value.len - pr->redirect.len - prefix);
|
|
|
1856
|
|
58
|
1857 h->value.len = len;
|
|
|
1858 h->value.data = data;
|
|
|
1859
|
|
|
1860 return NGX_OK;
|
|
|
1861 }
|
|
|
1862
|
|
|
1863
|
|
|
1864 static ngx_int_t
|
|
|
1865 ngx_http_proxy_add_variables(ngx_conf_t *cf)
|
|
|
1866 {
|
|
|
1867 ngx_http_variable_t *var, *v;
|
|
|
1868
|
|
|
1869 for (v = ngx_http_proxy_vars; v->name.len; v++) {
|
|
|
1870 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
1871 if (var == NULL) {
|
|
|
1872 return NGX_ERROR;
|
|
|
1873 }
|
|
|
1874
|
|
186
|
1875 var->get_handler = v->get_handler;
|
|
58
|
1876 var->data = v->data;
|
|
|
1877 }
|
|
|
1878
|
|
|
1879 return NGX_OK;
|
|
|
1880 }
|
|
|
1881
|
|
|
1882
|
|
|
1883 static void *
|
|
|
1884 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
|
|
|
1885 {
|
|
|
1886 ngx_http_proxy_loc_conf_t *conf;
|
|
|
1887
|
|
|
1888 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t));
|
|
|
1889 if (conf == NULL) {
|
|
496
|
1890 return NULL;
|
|
58
|
1891 }
|
|
|
1892
|
|
|
1893 /*
|
|
|
1894 * set by ngx_pcalloc():
|
|
|
1895 *
|
|
|
1896 * conf->upstream.bufs.num = 0;
|
|
484
|
1897 * conf->upstream.ignore_headers = 0;
|
|
58
|
1898 * conf->upstream.next_upstream = 0;
|
|
494
|
1899 * conf->upstream.cache_use_stale = 0;
|
|
|
1900 * conf->upstream.cache_methods = 0;
|
|
58
|
1901 * conf->upstream.temp_path = NULL;
|
|
198
|
1902 * conf->upstream.hide_headers_hash = { NULL, 0 };
|
|
58
|
1903 * conf->upstream.uri = { 0, NULL };
|
|
|
1904 * conf->upstream.location = NULL;
|
|
320
|
1905 * conf->upstream.store_lengths = NULL;
|
|
|
1906 * conf->upstream.store_values = NULL;
|
|
58
|
1907 *
|
|
110
|
1908 * conf->method = NULL;
|
|
58
|
1909 * conf->headers_source = NULL;
|
|
|
1910 * conf->headers_set_len = NULL;
|
|
|
1911 * conf->headers_set = NULL;
|
|
|
1912 * conf->headers_set_hash = NULL;
|
|
126
|
1913 * conf->body_set_len = NULL;
|
|
|
1914 * conf->body_set = NULL;
|
|
|
1915 * conf->body_source = { 0, NULL };
|
|
58
|
1916 * conf->rewrite_locations = NULL;
|
|
|
1917 */
|
|
126
|
1918
|
|
320
|
1919 conf->upstream.store = NGX_CONF_UNSET;
|
|
|
1920 conf->upstream.store_access = NGX_CONF_UNSET_UINT;
|
|
130
|
1921 conf->upstream.buffering = NGX_CONF_UNSET;
|
|
178
|
1922 conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
|
|
130
|
1923
|
|
58
|
1924 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1925 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1926 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1927
|
|
|
1928 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
130
|
1929 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
78
|
1930
|
|
|
1931 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
126
|
1932 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
78
|
1933 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
58
|
1934
|
|
|
1935 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
|
1936 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
110
|
1937
|
|
464
|
1938 #if (NGX_HTTP_CACHE)
|
|
|
1939 conf->upstream.cache = NGX_CONF_UNSET_PTR;
|
|
|
1940 conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT;
|
|
|
1941 conf->upstream.cache_valid = NGX_CONF_UNSET_PTR;
|
|
|
1942 #endif
|
|
|
1943
|
|
356
|
1944 conf->upstream.hide_headers = NGX_CONF_UNSET_PTR;
|
|
|
1945 conf->upstream.pass_headers = NGX_CONF_UNSET_PTR;
|
|
|
1946
|
|
206
|
1947 conf->upstream.intercept_errors = NGX_CONF_UNSET;
|
|
398
|
1948 #if (NGX_HTTP_SSL)
|
|
|
1949 conf->upstream.ssl_session_reuse = NGX_CONF_UNSET;
|
|
|
1950 #endif
|
|
58
|
1951
|
|
|
1952 /* "proxy_cyclic_temp_file" is disabled */
|
|
|
1953 conf->upstream.cyclic_temp_file = 0;
|
|
|
1954
|
|
|
1955 conf->redirect = NGX_CONF_UNSET;
|
|
198
|
1956 conf->upstream.change_buffering = 1;
|
|
58
|
1957
|
|
298
|
1958 conf->headers_hash_max_size = NGX_CONF_UNSET_UINT;
|
|
|
1959 conf->headers_hash_bucket_size = NGX_CONF_UNSET_UINT;
|
|
|
1960
|
|
58
|
1961 return conf;
|
|
|
1962 }
|
|
|
1963
|
|
|
1964
|
|
|
1965 static char *
|
|
|
1966 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1967 {
|
|
|
1968 ngx_http_proxy_loc_conf_t *prev = parent;
|
|
|
1969 ngx_http_proxy_loc_conf_t *conf = child;
|
|
|
1970
|
|
464
|
1971 size_t size;
|
|
480
|
1972 ngx_str_t *h;
|
|
464
|
1973 ngx_keyval_t *s;
|
|
|
1974 ngx_hash_init_t hash;
|
|
|
1975 ngx_http_proxy_redirect_t *pr;
|
|
|
1976 ngx_http_script_compile_t sc;
|
|
58
|
1977
|
|
320
|
1978 if (conf->upstream.store != 0) {
|
|
|
1979 ngx_conf_merge_value(conf->upstream.store,
|
|
496
|
1980 prev->upstream.store, 0);
|
|
320
|
1981
|
|
|
1982 if (conf->upstream.store_lengths == NULL) {
|
|
|
1983 conf->upstream.store_lengths = prev->upstream.store_lengths;
|
|
|
1984 conf->upstream.store_values = prev->upstream.store_values;
|
|
|
1985 }
|
|
|
1986 }
|
|
|
1987
|
|
|
1988 ngx_conf_merge_uint_value(conf->upstream.store_access,
|
|
|
1989 prev->upstream.store_access, 0600);
|
|
318
|
1990
|
|
130
|
1991 ngx_conf_merge_value(conf->upstream.buffering,
|
|
|
1992 prev->upstream.buffering, 1);
|
|
|
1993
|
|
178
|
1994 ngx_conf_merge_value(conf->upstream.ignore_client_abort,
|
|
|
1995 prev->upstream.ignore_client_abort, 0);
|
|
|
1996
|
|
58
|
1997 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
1998 prev->upstream.connect_timeout, 60000);
|
|
|
1999
|
|
|
2000 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
2001 prev->upstream.send_timeout, 60000);
|
|
|
2002
|
|
|
2003 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
2004 prev->upstream.read_timeout, 60000);
|
|
|
2005
|
|
|
2006 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
|
2007 prev->upstream.send_lowat, 0);
|
|
|
2008
|
|
130
|
2009 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
|
2010 prev->upstream.buffer_size,
|
|
58
|
2011 (size_t) ngx_pagesize);
|
|
|
2012
|
|
|
2013 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
|
2014 8, ngx_pagesize);
|
|
|
2015
|
|
|
2016 if (conf->upstream.bufs.num < 2) {
|
|
126
|
2017 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
58
|
2018 "there must be at least 2 \"proxy_buffers\"");
|
|
|
2019 return NGX_CONF_ERROR;
|
|
|
2020 }
|
|
126
|
2021
|
|
58
|
2022
|
|
130
|
2023 size = conf->upstream.buffer_size;
|
|
126
|
2024 if (size < conf->upstream.bufs.size) {
|
|
58
|
2025 size = conf->upstream.bufs.size;
|
|
|
2026 }
|
|
|
2027
|
|
|
2028
|
|
78
|
2029 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
|
2030 prev->upstream.busy_buffers_size_conf,
|
|
58
|
2031 NGX_CONF_UNSET_SIZE);
|
|
|
2032
|
|
78
|
2033 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
2034 conf->upstream.busy_buffers_size = 2 * size;
|
|
78
|
2035 } else {
|
|
|
2036 conf->upstream.busy_buffers_size =
|
|
|
2037 conf->upstream.busy_buffers_size_conf;
|
|
|
2038 }
|
|
126
|
2039
|
|
78
|
2040 if (conf->upstream.busy_buffers_size < size) {
|
|
58
|
2041 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2042 "\"proxy_busy_buffers_size\" must be equal or bigger than "
|
|
288
|
2043 "maximum of the value of \"proxy_buffer_size\" and "
|
|
58
|
2044 "one of the \"proxy_buffers\"");
|
|
|
2045
|
|
|
2046 return NGX_CONF_ERROR;
|
|
78
|
2047 }
|
|
58
|
2048
|
|
78
|
2049 if (conf->upstream.busy_buffers_size
|
|
|
2050 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
58
|
2051 {
|
|
|
2052 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2053 "\"proxy_busy_buffers_size\" must be less than "
|
|
|
2054 "the size of all \"proxy_buffers\" minus one buffer");
|
|
|
2055
|
|
|
2056 return NGX_CONF_ERROR;
|
|
|
2057 }
|
|
78
|
2058
|
|
58
|
2059
|
|
78
|
2060 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
|
2061 prev->upstream.temp_file_write_size_conf,
|
|
58
|
2062 NGX_CONF_UNSET_SIZE);
|
|
|
2063
|
|
78
|
2064 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
2065 conf->upstream.temp_file_write_size = 2 * size;
|
|
78
|
2066 } else {
|
|
|
2067 conf->upstream.temp_file_write_size =
|
|
|
2068 conf->upstream.temp_file_write_size_conf;
|
|
|
2069 }
|
|
126
|
2070
|
|
78
|
2071 if (conf->upstream.temp_file_write_size < size) {
|
|
58
|
2072 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2073 "\"proxy_temp_file_write_size\" must be equal or bigger than "
|
|
288
|
2074 "maximum of the value of \"proxy_buffer_size\" and "
|
|
58
|
2075 "one of the \"proxy_buffers\"");
|
|
|
2076
|
|
|
2077 return NGX_CONF_ERROR;
|
|
|
2078 }
|
|
|
2079
|
|
78
|
2080 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
|
2081 prev->upstream.max_temp_file_size_conf,
|
|
58
|
2082 NGX_CONF_UNSET_SIZE);
|
|
|
2083
|
|
78
|
2084 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
2085 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
78
|
2086 } else {
|
|
|
2087 conf->upstream.max_temp_file_size =
|
|
|
2088 conf->upstream.max_temp_file_size_conf;
|
|
|
2089 }
|
|
58
|
2090
|
|
78
|
2091 if (conf->upstream.max_temp_file_size != 0
|
|
|
2092 && conf->upstream.max_temp_file_size < size)
|
|
58
|
2093 {
|
|
|
2094 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
110
|
2095 "\"proxy_max_temp_file_size\" must be equal to zero to disable "
|
|
58
|
2096 "the temporary files usage or must be equal or bigger than "
|
|
288
|
2097 "maximum of the value of \"proxy_buffer_size\" and "
|
|
110
|
2098 "one of the \"proxy_buffers\"");
|
|
58
|
2099
|
|
|
2100 return NGX_CONF_ERROR;
|
|
|
2101 }
|
|
|
2102
|
|
78
|
2103
|
|
484
|
2104 ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers,
|
|
|
2105 prev->upstream.ignore_headers,
|
|
|
2106 NGX_CONF_BITMASK_SET);
|
|
|
2107
|
|
|
2108
|
|
58
|
2109 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
2110 prev->upstream.next_upstream,
|
|
|
2111 (NGX_CONF_BITMASK_SET
|
|
|
2112 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
2113 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
2114
|
|
214
|
2115 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
2116 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
|
|
|
2117 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
2118 }
|
|
|
2119
|
|
464
|
2120 if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path,
|
|
58
|
2121 prev->upstream.temp_path,
|
|
464
|
2122 &ngx_http_proxy_temp_path)
|
|
|
2123 != NGX_OK)
|
|
|
2124 {
|
|
|
2125 return NGX_CONF_ERROR;
|
|
|
2126 }
|
|
|
2127
|
|
|
2128
|
|
|
2129 #if (NGX_HTTP_CACHE)
|
|
|
2130
|
|
|
2131 ngx_conf_merge_ptr_value(conf->upstream.cache,
|
|
|
2132 prev->upstream.cache, NULL);
|
|
|
2133
|
|
|
2134 if (conf->upstream.cache && conf->upstream.cache->data == NULL) {
|
|
|
2135 ngx_shm_zone_t *shm_zone;
|
|
|
2136
|
|
|
2137 shm_zone = conf->upstream.cache;
|
|
|
2138
|
|
|
2139 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2140 "\"proxy_cache\" zone \"%V\" is unknown",
|
|
480
|
2141 &shm_zone->shm.name);
|
|
464
|
2142
|
|
|
2143 return NGX_CONF_ERROR;
|
|
|
2144 }
|
|
|
2145
|
|
|
2146 ngx_conf_merge_uint_value(conf->upstream.cache_min_uses,
|
|
|
2147 prev->upstream.cache_min_uses, 1);
|
|
|
2148
|
|
|
2149 ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale,
|
|
|
2150 prev->upstream.cache_use_stale,
|
|
|
2151 (NGX_CONF_BITMASK_SET
|
|
|
2152 |NGX_HTTP_UPSTREAM_FT_OFF));
|
|
|
2153
|
|
494
|
2154 if (conf->upstream.cache_methods == 0) {
|
|
|
2155 conf->upstream.cache_methods = prev->upstream.cache_methods;
|
|
|
2156 }
|
|
|
2157
|
|
|
2158 conf->upstream.cache_methods |= NGX_HTTP_GET|NGX_HTTP_HEAD;
|
|
|
2159
|
|
464
|
2160 if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
2161 conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET
|
|
|
2162 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
2163 }
|
|
|
2164
|
|
|
2165 ngx_conf_merge_ptr_value(conf->upstream.cache_valid,
|
|
|
2166 prev->upstream.cache_valid, NULL);
|
|
|
2167
|
|
472
|
2168 if (conf->cache_key.value.data == NULL) {
|
|
|
2169 conf->cache_key = prev->cache_key;
|
|
|
2170 }
|
|
|
2171
|
|
464
|
2172 #endif
|
|
58
|
2173
|
|
110
|
2174 if (conf->method.len == 0) {
|
|
|
2175 conf->method = prev->method;
|
|
|
2176
|
|
|
2177 } else {
|
|
|
2178 conf->method.data[conf->method.len] = ' ';
|
|
|
2179 conf->method.len++;
|
|
58
|
2180 }
|
|
|
2181
|
|
|
2182 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
|
2183 prev->upstream.pass_request_headers, 1);
|
|
|
2184 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
|
2185 prev->upstream.pass_request_body, 1);
|
|
|
2186
|
|
206
|
2187 ngx_conf_merge_value(conf->upstream.intercept_errors,
|
|
|
2188 prev->upstream.intercept_errors, 0);
|
|
58
|
2189
|
|
398
|
2190 #if (NGX_HTTP_SSL)
|
|
|
2191 ngx_conf_merge_value(conf->upstream.ssl_session_reuse,
|
|
|
2192 prev->upstream.ssl_session_reuse, 1);
|
|
|
2193 #endif
|
|
|
2194
|
|
58
|
2195 ngx_conf_merge_value(conf->redirect, prev->redirect, 1);
|
|
|
2196
|
|
|
2197 if (conf->redirect) {
|
|
|
2198
|
|
|
2199 if (conf->redirects == NULL) {
|
|
|
2200 conf->redirects = prev->redirects;
|
|
|
2201 }
|
|
|
2202
|
|
348
|
2203 if (conf->redirects == NULL && conf->url.data) {
|
|
58
|
2204
|
|
|
2205 conf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
2206 sizeof(ngx_http_proxy_redirect_t));
|
|
|
2207 if (conf->redirects == NULL) {
|
|
|
2208 return NGX_CONF_ERROR;
|
|
|
2209 }
|
|
|
2210
|
|
|
2211 pr = ngx_array_push(conf->redirects);
|
|
|
2212 if (pr == NULL) {
|
|
|
2213 return NGX_CONF_ERROR;
|
|
|
2214 }
|
|
|
2215
|
|
|
2216 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
348
|
2217 pr->redirect = conf->url;
|
|
|
2218
|
|
|
2219 if (conf->vars.uri.len) {
|
|
|
2220 pr->replacement.text = conf->location;
|
|
202
|
2221
|
|
|
2222 } else {
|
|
|
2223 pr->replacement.text.len = 0;
|
|
|
2224 pr->replacement.text.data = NULL;
|
|
|
2225 }
|
|
58
|
2226 }
|
|
|
2227 }
|
|
|
2228
|
|
348
|
2229 /* STUB */
|
|
|
2230 if (prev->proxy_lengths) {
|
|
|
2231 conf->proxy_lengths = prev->proxy_lengths;
|
|
|
2232 conf->proxy_values = prev->proxy_values;
|
|
|
2233 }
|
|
|
2234
|
|
482
|
2235 #if (NGX_HTTP_SSL)
|
|
|
2236 if (conf->upstream.ssl == NULL) {
|
|
|
2237 conf->upstream.ssl = prev->upstream.ssl;
|
|
|
2238 }
|
|
|
2239 #endif
|
|
|
2240
|
|
298
|
2241 ngx_conf_merge_uint_value(conf->headers_hash_max_size,
|
|
|
2242 prev->headers_hash_max_size, 512);
|
|
|
2243
|
|
|
2244 ngx_conf_merge_uint_value(conf->headers_hash_bucket_size,
|
|
|
2245 prev->headers_hash_bucket_size, 64);
|
|
|
2246
|
|
|
2247 conf->headers_hash_bucket_size = ngx_align(conf->headers_hash_bucket_size,
|
|
|
2248 ngx_cacheline_size);
|
|
|
2249
|
|
356
|
2250 hash.max_size = conf->headers_hash_max_size;
|
|
|
2251 hash.bucket_size = conf->headers_hash_bucket_size;
|
|
|
2252 hash.name = "proxy_headers_hash";
|
|
|
2253
|
|
480
|
2254 #if (NGX_HTTP_CACHE)
|
|
|
2255
|
|
|
2256 h = conf->upstream.cache ? ngx_http_proxy_hide_cache_headers:
|
|
|
2257 ngx_http_proxy_hide_headers;
|
|
|
2258 #else
|
|
|
2259
|
|
|
2260 h = ngx_http_proxy_hide_headers;
|
|
|
2261
|
|
|
2262 #endif
|
|
|
2263
|
|
356
|
2264 if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream,
|
|
480
|
2265 &prev->upstream, h, &hash)
|
|
198
|
2266 != NGX_OK)
|
|
|
2267 {
|
|
|
2268 return NGX_CONF_ERROR;
|
|
|
2269 }
|
|
|
2270
|
|
260
|
2271 if (conf->upstream.upstream == NULL) {
|
|
|
2272 conf->upstream.upstream = prev->upstream.upstream;
|
|
348
|
2273 conf->vars = prev->vars;
|
|
58
|
2274 }
|
|
|
2275
|
|
126
|
2276
|
|
|
2277 if (conf->body_source.data == NULL) {
|
|
|
2278 conf->body_source = prev->body_source;
|
|
|
2279 conf->body_set_len = prev->body_set_len;
|
|
|
2280 conf->body_set = prev->body_set;
|
|
|
2281 }
|
|
|
2282
|
|
128
|
2283 if (conf->body_source.data && conf->body_set_len == NULL) {
|
|
126
|
2284
|
|
|
2285 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2286
|
|
|
2287 sc.cf = cf;
|
|
|
2288 sc.source = &conf->body_source;
|
|
|
2289 sc.flushes = &conf->flushes;
|
|
|
2290 sc.lengths = &conf->body_set_len;
|
|
|
2291 sc.values = &conf->body_set;
|
|
|
2292 sc.complete_lengths = 1;
|
|
|
2293 sc.complete_values = 1;
|
|
|
2294
|
|
|
2295 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2296 return NGX_CONF_ERROR;
|
|
|
2297 }
|
|
|
2298
|
|
|
2299 if (conf->headers_source == NULL) {
|
|
|
2300 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
2301 sizeof(ngx_keyval_t));
|
|
126
|
2302 if (conf->headers_source == NULL) {
|
|
|
2303 return NGX_CONF_ERROR;
|
|
|
2304 }
|
|
|
2305 }
|
|
|
2306
|
|
|
2307 s = ngx_array_push(conf->headers_source);
|
|
|
2308 if (s == NULL) {
|
|
|
2309 return NGX_CONF_ERROR;
|
|
|
2310 }
|
|
|
2311
|
|
|
2312 s->key.len = sizeof("Content-Length") - 1;
|
|
|
2313 s->key.data = (u_char *) "Content-Length";
|
|
|
2314 s->value.len = sizeof("$proxy_internal_body_length") - 1;
|
|
|
2315 s->value.data = (u_char *) "$proxy_internal_body_length";
|
|
|
2316 }
|
|
|
2317
|
|
464
|
2318 if (ngx_http_proxy_merge_headers(cf, conf, prev) != NGX_OK) {
|
|
|
2319 return NGX_CONF_ERROR;
|
|
|
2320 }
|
|
|
2321
|
|
|
2322 return NGX_CONF_OK;
|
|
|
2323 }
|
|
|
2324
|
|
|
2325
|
|
|
2326 static ngx_int_t
|
|
|
2327 ngx_http_proxy_merge_headers(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *conf,
|
|
|
2328 ngx_http_proxy_loc_conf_t *prev)
|
|
|
2329 {
|
|
|
2330 u_char *p;
|
|
|
2331 size_t size;
|
|
|
2332 uintptr_t *code;
|
|
|
2333 ngx_uint_t i;
|
|
|
2334 ngx_keyval_t *src, *s, *h;
|
|
|
2335 ngx_hash_key_t *hk;
|
|
|
2336 ngx_hash_init_t hash;
|
|
|
2337 ngx_http_script_compile_t sc;
|
|
|
2338 ngx_http_script_copy_code_t *copy;
|
|
126
|
2339
|
|
58
|
2340 if (conf->headers_source == NULL) {
|
|
122
|
2341 conf->flushes = prev->flushes;
|
|
58
|
2342 conf->headers_set_len = prev->headers_set_len;
|
|
|
2343 conf->headers_set = prev->headers_set;
|
|
|
2344 conf->headers_set_hash = prev->headers_set_hash;
|
|
122
|
2345 conf->headers_source = prev->headers_source;
|
|
58
|
2346 }
|
|
|
2347
|
|
498
|
2348 if (conf->headers_set_hash.buckets
|
|
502
|
2349 #if (NGX_HTTP_CACHE)
|
|
|
2350 && ((conf->upstream.cache == NULL) == (prev->upstream.cache == NULL))
|
|
|
2351 #endif
|
|
|
2352 )
|
|
498
|
2353 {
|
|
464
|
2354 return NGX_OK;
|
|
58
|
2355 }
|
|
|
2356
|
|
|
2357
|
|
198
|
2358 conf->headers_names = ngx_array_create(cf->pool, 4, sizeof(ngx_hash_key_t));
|
|
58
|
2359 if (conf->headers_names == NULL) {
|
|
464
|
2360 return NGX_ERROR;
|
|
58
|
2361 }
|
|
|
2362
|
|
|
2363 if (conf->headers_source == NULL) {
|
|
|
2364 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
2365 sizeof(ngx_keyval_t));
|
|
58
|
2366 if (conf->headers_source == NULL) {
|
|
464
|
2367 return NGX_ERROR;
|
|
58
|
2368 }
|
|
|
2369 }
|
|
|
2370
|
|
|
2371 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1);
|
|
|
2372 if (conf->headers_set_len == NULL) {
|
|
464
|
2373 return NGX_ERROR;
|
|
58
|
2374 }
|
|
|
2375
|
|
|
2376 conf->headers_set = ngx_array_create(cf->pool, 512, 1);
|
|
|
2377 if (conf->headers_set == NULL) {
|
|
464
|
2378 return NGX_ERROR;
|
|
58
|
2379 }
|
|
|
2380
|
|
|
2381
|
|
|
2382 src = conf->headers_source->elts;
|
|
|
2383
|
|
480
|
2384 #if (NGX_HTTP_CACHE)
|
|
|
2385
|
|
|
2386 h = conf->upstream.cache ? ngx_http_proxy_cache_headers:
|
|
|
2387 ngx_http_proxy_headers;
|
|
|
2388 #else
|
|
|
2389
|
|
|
2390 h = ngx_http_proxy_headers;
|
|
|
2391
|
|
|
2392 #endif
|
|
|
2393
|
|
|
2394 while (h->key.len) {
|
|
58
|
2395
|
|
|
2396 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
2397 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
|
2398 goto next;
|
|
|
2399 }
|
|
|
2400 }
|
|
|
2401
|
|
|
2402 s = ngx_array_push(conf->headers_source);
|
|
|
2403 if (s == NULL) {
|
|
464
|
2404 return NGX_ERROR;
|
|
58
|
2405 }
|
|
|
2406
|
|
|
2407 *s = *h;
|
|
|
2408
|
|
66
|
2409 src = conf->headers_source->elts;
|
|
|
2410
|
|
58
|
2411 next:
|
|
|
2412
|
|
480
|
2413 h++;
|
|
58
|
2414 }
|
|
|
2415
|
|
126
|
2416
|
|
|
2417 src = conf->headers_source->elts;
|
|
58
|
2418 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
2419
|
|
198
|
2420 hk = ngx_array_push(conf->headers_names);
|
|
|
2421 if (hk == NULL) {
|
|
464
|
2422 return NGX_ERROR;
|
|
58
|
2423 }
|
|
|
2424
|
|
198
|
2425 hk->key = src[i].key;
|
|
|
2426 hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len);
|
|
|
2427 hk->value = (void *) 1;
|
|
58
|
2428
|
|
68
|
2429 if (src[i].value.len == 0) {
|
|
|
2430 continue;
|
|
|
2431 }
|
|
|
2432
|
|
58
|
2433 if (ngx_http_script_variables_count(&src[i].value) == 0) {
|
|
|
2434 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2435 sizeof(ngx_http_script_copy_code_t));
|
|
|
2436 if (copy == NULL) {
|
|
464
|
2437 return NGX_ERROR;
|
|
58
|
2438 }
|
|
|
2439
|
|
|
2440 copy->code = (ngx_http_script_code_pt)
|
|
|
2441 ngx_http_script_copy_len_code;
|
|
|
2442 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
2443 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
2444
|
|
|
2445
|
|
|
2446 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2447 + src[i].key.len + sizeof(": ") - 1
|
|
|
2448 + src[i].value.len + sizeof(CRLF) - 1
|
|
|
2449 + sizeof(uintptr_t) - 1)
|
|
|
2450 & ~(sizeof(uintptr_t) - 1);
|
|
|
2451
|
|
|
2452 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2453 if (copy == NULL) {
|
|
464
|
2454 return NGX_ERROR;
|
|
58
|
2455 }
|
|
|
2456
|
|
|
2457 copy->code = ngx_http_script_copy_code;
|
|
|
2458 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
2459 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
2460
|
|
|
2461 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2462
|
|
|
2463 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
2464 *p++ = ':'; *p++ = ' ';
|
|
|
2465 p = ngx_cpymem(p, src[i].value.data, src[i].value.len);
|
|
|
2466 *p++ = CR; *p = LF;
|
|
|
2467
|
|
|
2468 } else {
|
|
|
2469 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2470 sizeof(ngx_http_script_copy_code_t));
|
|
|
2471 if (copy == NULL) {
|
|
464
|
2472 return NGX_ERROR;
|
|
58
|
2473 }
|
|
|
2474
|
|
|
2475 copy->code = (ngx_http_script_code_pt)
|
|
|
2476 ngx_http_script_copy_len_code;
|
|
|
2477 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
2478
|
|
|
2479
|
|
|
2480 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2481 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1)
|
|
|
2482 & ~(sizeof(uintptr_t) - 1);
|
|
|
2483
|
|
|
2484 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2485 if (copy == NULL) {
|
|
464
|
2486 return NGX_ERROR;
|
|
58
|
2487 }
|
|
|
2488
|
|
|
2489 copy->code = ngx_http_script_copy_code;
|
|
|
2490 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
2491
|
|
|
2492 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2493 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
2494 *p++ = ':'; *p = ' ';
|
|
|
2495
|
|
|
2496
|
|
|
2497 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2498
|
|
|
2499 sc.cf = cf;
|
|
|
2500 sc.source = &src[i].value;
|
|
122
|
2501 sc.flushes = &conf->flushes;
|
|
58
|
2502 sc.lengths = &conf->headers_set_len;
|
|
|
2503 sc.values = &conf->headers_set;
|
|
|
2504
|
|
|
2505 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
464
|
2506 return NGX_ERROR;
|
|
58
|
2507 }
|
|
|
2508
|
|
|
2509
|
|
|
2510 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2511 sizeof(ngx_http_script_copy_code_t));
|
|
|
2512 if (copy == NULL) {
|
|
464
|
2513 return NGX_ERROR;
|
|
58
|
2514 }
|
|
|
2515
|
|
|
2516 copy->code = (ngx_http_script_code_pt)
|
|
|
2517 ngx_http_script_copy_len_code;
|
|
|
2518 copy->len = sizeof(CRLF) - 1;
|
|
|
2519
|
|
|
2520
|
|
|
2521 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2522 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1)
|
|
|
2523 & ~(sizeof(uintptr_t) - 1);
|
|
|
2524
|
|
|
2525 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2526 if (copy == NULL) {
|
|
464
|
2527 return NGX_ERROR;
|
|
58
|
2528 }
|
|
|
2529
|
|
|
2530 copy->code = ngx_http_script_copy_code;
|
|
|
2531 copy->len = sizeof(CRLF) - 1;
|
|
|
2532
|
|
|
2533 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2534 *p++ = CR; *p = LF;
|
|
|
2535 }
|
|
|
2536
|
|
|
2537 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2538 if (code == NULL) {
|
|
464
|
2539 return NGX_ERROR;
|
|
58
|
2540 }
|
|
|
2541
|
|
|
2542 *code = (uintptr_t) NULL;
|
|
|
2543
|
|
|
2544 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t));
|
|
|
2545 if (code == NULL) {
|
|
464
|
2546 return NGX_ERROR;
|
|
58
|
2547 }
|
|
|
2548
|
|
|
2549 *code = (uintptr_t) NULL;
|
|
|
2550 }
|
|
|
2551
|
|
|
2552 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2553 if (code == NULL) {
|
|
464
|
2554 return NGX_ERROR;
|
|
58
|
2555 }
|
|
|
2556
|
|
|
2557 *code = (uintptr_t) NULL;
|
|
|
2558
|
|
|
2559
|
|
198
|
2560 hash.hash = &conf->headers_set_hash;
|
|
|
2561 hash.key = ngx_hash_key_lc;
|
|
298
|
2562 hash.max_size = conf->headers_hash_max_size;
|
|
|
2563 hash.bucket_size = conf->headers_hash_bucket_size;
|
|
|
2564 hash.name = "proxy_headers_hash";
|
|
198
|
2565 hash.pool = cf->pool;
|
|
|
2566 hash.temp_pool = NULL;
|
|
|
2567
|
|
|
2568 if (ngx_hash_init(&hash, conf->headers_names->elts,
|
|
|
2569 conf->headers_names->nelts)
|
|
|
2570 != NGX_OK)
|
|
|
2571 {
|
|
464
|
2572 return NGX_ERROR;
|
|
198
|
2573 }
|
|
|
2574
|
|
464
|
2575 return NGX_OK;
|
|
58
|
2576 }
|
|
|
2577
|
|
|
2578
|
|
|
2579 static char *
|
|
|
2580 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2581 {
|
|
|
2582 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2583
|
|
348
|
2584 size_t add;
|
|
|
2585 u_short port;
|
|
|
2586 ngx_str_t *value, *url;
|
|
|
2587 ngx_url_t u;
|
|
|
2588 ngx_uint_t n;
|
|
|
2589 ngx_http_core_loc_conf_t *clcf;
|
|
|
2590 ngx_http_script_compile_t sc;
|
|
58
|
2591
|
|
430
|
2592 if (plcf->upstream.upstream || plcf->proxy_lengths) {
|
|
104
|
2593 return "is duplicate";
|
|
|
2594 }
|
|
|
2595
|
|
348
|
2596 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
2597
|
|
510
|
2598 clcf->handler = ngx_http_proxy_handler;
|
|
|
2599
|
|
|
2600 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
2601 clcf->auto_redirect = 1;
|
|
|
2602 }
|
|
|
2603
|
|
58
|
2604 value = cf->args->elts;
|
|
|
2605
|
|
|
2606 url = &value[1];
|
|
|
2607
|
|
348
|
2608 n = ngx_http_script_variables_count(url);
|
|
|
2609
|
|
|
2610 if (n) {
|
|
|
2611
|
|
|
2612 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2613
|
|
|
2614 sc.cf = cf;
|
|
|
2615 sc.source = url;
|
|
|
2616 sc.lengths = &plcf->proxy_lengths;
|
|
|
2617 sc.values = &plcf->proxy_values;
|
|
|
2618 sc.variables = n;
|
|
|
2619 sc.complete_lengths = 1;
|
|
|
2620 sc.complete_values = 1;
|
|
354
|
2621
|
|
348
|
2622 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2623 return NGX_CONF_ERROR;
|
|
|
2624 }
|
|
|
2625
|
|
|
2626 #if (NGX_HTTP_SSL)
|
|
|
2627 if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) {
|
|
|
2628 return NGX_CONF_ERROR;
|
|
|
2629 }
|
|
|
2630 #endif
|
|
|
2631
|
|
|
2632 return NGX_CONF_OK;
|
|
|
2633 }
|
|
|
2634
|
|
286
|
2635 if (ngx_strncasecmp(url->data, (u_char *) "http://", 7) == 0) {
|
|
126
|
2636 add = 7;
|
|
140
|
2637 port = 80;
|
|
126
|
2638
|
|
286
|
2639 } else if (ngx_strncasecmp(url->data, (u_char *) "https://", 8) == 0) {
|
|
126
|
2640
|
|
|
2641 #if (NGX_HTTP_SSL)
|
|
348
|
2642 if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) {
|
|
|
2643 return NGX_CONF_ERROR;
|
|
|
2644 }
|
|
126
|
2645
|
|
|
2646 add = 8;
|
|
140
|
2647 port = 443;
|
|
126
|
2648 #else
|
|
|
2649 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2650 "https protocol requires SSL support");
|
|
|
2651 return NGX_CONF_ERROR;
|
|
|
2652 #endif
|
|
|
2653
|
|
|
2654 } else {
|
|
58
|
2655 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix");
|
|
|
2656 return NGX_CONF_ERROR;
|
|
|
2657 }
|
|
|
2658
|
|
200
|
2659 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
|
2660
|
|
|
2661 u.url.len = url->len - add;
|
|
|
2662 u.url.data = url->data + add;
|
|
266
|
2663 u.default_port = port;
|
|
|
2664 u.uri_part = 1;
|
|
260
|
2665 u.no_resolve = 1;
|
|
|
2666
|
|
|
2667 plcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
|
|
|
2668 if (plcf->upstream.upstream == NULL) {
|
|
58
|
2669 return NGX_CONF_ERROR;
|
|
|
2670 }
|
|
|
2671
|
|
430
|
2672 plcf->vars.schema.len = add;
|
|
|
2673 plcf->vars.schema.data = url->data;
|
|
464
|
2674 plcf->vars.key_start = plcf->vars.schema;
|
|
|
2675
|
|
|
2676 ngx_http_proxy_set_vars(&u, &plcf->vars);
|
|
58
|
2677
|
|
464
|
2678 plcf->location = clcf->name;
|
|
|
2679
|
|
324
|
2680 if (clcf->named
|
|
58
|
2681 #if (NGX_PCRE)
|
|
324
|
2682 || clcf->regex
|
|
|
2683 #endif
|
|
|
2684 || clcf->noname)
|
|
|
2685 {
|
|
348
|
2686 if (plcf->vars.uri.len) {
|
|
122
|
2687 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2688 "\"proxy_pass\" may not have URI part in "
|
|
256
|
2689 "location given by regular expression, "
|
|
324
|
2690 "or inside named location, "
|
|
256
|
2691 "or inside the \"if\" statement, "
|
|
|
2692 "or inside the \"limit_except\" block");
|
|
122
|
2693 return NGX_CONF_ERROR;
|
|
|
2694 }
|
|
|
2695
|
|
348
|
2696 plcf->location.len = 0;
|
|
104
|
2697 }
|
|
|
2698
|
|
348
|
2699 plcf->url = *url;
|
|
58
|
2700
|
|
|
2701 return NGX_CONF_OK;
|
|
|
2702 }
|
|
|
2703
|
|
|
2704
|
|
|
2705 static char *
|
|
|
2706 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2707 {
|
|
|
2708 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2709
|
|
|
2710 ngx_str_t *value;
|
|
|
2711 ngx_array_t *vars_lengths, *vars_values;
|
|
|
2712 ngx_http_script_compile_t sc;
|
|
|
2713 ngx_http_proxy_redirect_t *pr;
|
|
|
2714
|
|
|
2715 if (plcf->redirect == 0) {
|
|
|
2716 return NGX_CONF_OK;
|
|
|
2717 }
|
|
|
2718
|
|
|
2719 value = cf->args->elts;
|
|
|
2720
|
|
484
|
2721 if (cf->args->nelts == 2) {
|
|
|
2722 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2723 plcf->redirect = 0;
|
|
|
2724 plcf->redirects = NULL;
|
|
|
2725 return NGX_CONF_OK;
|
|
|
2726 }
|
|
|
2727
|
|
|
2728 if (ngx_strcmp(value[1].data, "false") == 0) {
|
|
|
2729 ngx_conf_log_error(NGX_LOG_ERR, cf, 0,
|
|
|
2730 "invalid parameter \"false\", use \"off\" instead");
|
|
|
2731 plcf->redirect = 0;
|
|
|
2732 plcf->redirects = NULL;
|
|
|
2733 return NGX_CONF_OK;
|
|
|
2734 }
|
|
|
2735
|
|
|
2736 if (ngx_strcmp(value[1].data, "default") != 0) {
|
|
|
2737 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2738 "invalid parameter \"%V\"", &value[1]);
|
|
|
2739 return NGX_CONF_ERROR;
|
|
|
2740 }
|
|
58
|
2741 }
|
|
|
2742
|
|
|
2743 if (plcf->redirects == NULL) {
|
|
|
2744 plcf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
2745 sizeof(ngx_http_proxy_redirect_t));
|
|
|
2746 if (plcf->redirects == NULL) {
|
|
|
2747 return NGX_CONF_ERROR;
|
|
|
2748 }
|
|
|
2749 }
|
|
|
2750
|
|
|
2751 pr = ngx_array_push(plcf->redirects);
|
|
|
2752 if (pr == NULL) {
|
|
|
2753 return NGX_CONF_ERROR;
|
|
|
2754 }
|
|
|
2755
|
|
484
|
2756 if (ngx_strcmp(value[1].data, "default") == 0) {
|
|
348
|
2757 if (plcf->url.data == NULL) {
|
|
58
|
2758 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2759 "\"proxy_rewrite_location default\" must go "
|
|
|
2760 "after the \"proxy_pass\" directive");
|
|
|
2761 return NGX_CONF_ERROR;
|
|
|
2762 }
|
|
|
2763
|
|
|
2764 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
348
|
2765 pr->redirect = plcf->url;
|
|
|
2766
|
|
|
2767 if (plcf->vars.uri.len) {
|
|
|
2768 pr->replacement.text = plcf->location;
|
|
202
|
2769
|
|
|
2770 } else {
|
|
|
2771 pr->replacement.text.len = 0;
|
|
|
2772 pr->replacement.text.data = NULL;
|
|
|
2773 }
|
|
58
|
2774
|
|
|
2775 return NGX_CONF_OK;
|
|
|
2776 }
|
|
|
2777
|
|
|
2778 if (ngx_http_script_variables_count(&value[2]) == 0) {
|
|
|
2779 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2780 pr->redirect = value[1];
|
|
|
2781 pr->replacement.text = value[2];
|
|
|
2782
|
|
|
2783 return NGX_CONF_OK;
|
|
|
2784 }
|
|
|
2785
|
|
|
2786 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2787
|
|
|
2788 vars_lengths = NULL;
|
|
|
2789 vars_values = NULL;
|
|
|
2790
|
|
|
2791 sc.cf = cf;
|
|
|
2792 sc.source = &value[2];
|
|
|
2793 sc.lengths = &vars_lengths;
|
|
|
2794 sc.values = &vars_values;
|
|
|
2795 sc.complete_lengths = 1;
|
|
|
2796 sc.complete_values = 1;
|
|
|
2797
|
|
|
2798 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2799 return NGX_CONF_ERROR;
|
|
|
2800 }
|
|
|
2801
|
|
|
2802 pr->handler = ngx_http_proxy_rewrite_redirect_vars;
|
|
|
2803 pr->redirect = value[1];
|
|
|
2804 pr->replacement.vars.lengths = vars_lengths->elts;
|
|
|
2805 pr->replacement.vars.values = vars_values->elts;
|
|
|
2806
|
|
|
2807 return NGX_CONF_OK;
|
|
|
2808 }
|
|
|
2809
|
|
|
2810
|
|
|
2811 static char *
|
|
320
|
2812 ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2813 {
|
|
|
2814 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2815
|
|
|
2816 ngx_str_t *value;
|
|
|
2817 ngx_http_script_compile_t sc;
|
|
|
2818
|
|
496
|
2819 if (plcf->upstream.store != NGX_CONF_UNSET
|
|
|
2820 || plcf->upstream.store_lengths)
|
|
320
|
2821 {
|
|
|
2822 return "is duplicate";
|
|
|
2823 }
|
|
|
2824
|
|
|
2825 value = cf->args->elts;
|
|
|
2826
|
|
496
|
2827 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2828 plcf->upstream.store = 0;
|
|
320
|
2829 return NGX_CONF_OK;
|
|
|
2830 }
|
|
|
2831
|
|
496
|
2832 #if (NGX_HTTP_CACHE)
|
|
|
2833
|
|
|
2834 if (plcf->upstream.cache != NGX_CONF_UNSET_PTR
|
|
|
2835 && plcf->upstream.cache != NULL)
|
|
|
2836 {
|
|
|
2837 return "is incompatible with \"proxy_cache\"";
|
|
|
2838 }
|
|
|
2839
|
|
|
2840 #endif
|
|
|
2841
|
|
|
2842 if (ngx_strcmp(value[1].data, "on") == 0) {
|
|
|
2843 plcf->upstream.store = 1;
|
|
320
|
2844 return NGX_CONF_OK;
|
|
|
2845 }
|
|
|
2846
|
|
|
2847 /* include the terminating '\0' into script */
|
|
|
2848 value[1].len++;
|
|
|
2849
|
|
|
2850 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2851
|
|
|
2852 sc.cf = cf;
|
|
|
2853 sc.source = &value[1];
|
|
|
2854 sc.lengths = &plcf->upstream.store_lengths;
|
|
|
2855 sc.values = &plcf->upstream.store_values;
|
|
340
|
2856 sc.variables = ngx_http_script_variables_count(&value[1]);
|
|
320
|
2857 sc.complete_lengths = 1;
|
|
|
2858 sc.complete_values = 1;
|
|
|
2859
|
|
|
2860 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2861 return NGX_CONF_ERROR;
|
|
|
2862 }
|
|
|
2863
|
|
|
2864 return NGX_CONF_OK;
|
|
|
2865 }
|
|
|
2866
|
|
|
2867
|
|
464
|
2868 #if (NGX_HTTP_CACHE)
|
|
|
2869
|
|
|
2870 static char *
|
|
|
2871 ngx_http_proxy_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2872 {
|
|
|
2873 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2874
|
|
|
2875 ngx_str_t *value;
|
|
|
2876
|
|
|
2877 value = cf->args->elts;
|
|
|
2878
|
|
|
2879 if (plcf->upstream.cache != NGX_CONF_UNSET_PTR) {
|
|
|
2880 return "is duplicate";
|
|
|
2881 }
|
|
|
2882
|
|
|
2883 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2884 plcf->upstream.cache = NULL;
|
|
|
2885 return NGX_CONF_OK;
|
|
|
2886 }
|
|
|
2887
|
|
496
|
2888 if (plcf->upstream.store > 0 || plcf->upstream.store_lengths) {
|
|
|
2889 return "is incompatible with \"proxy_store\"";
|
|
|
2890 }
|
|
|
2891
|
|
464
|
2892 plcf->upstream.cache = ngx_shared_memory_add(cf, &value[1], 0,
|
|
|
2893 &ngx_http_proxy_module);
|
|
|
2894 if (plcf->upstream.cache == NULL) {
|
|
|
2895 return NGX_CONF_ERROR;
|
|
|
2896 }
|
|
|
2897
|
|
|
2898 return NGX_CONF_OK;
|
|
|
2899 }
|
|
|
2900
|
|
472
|
2901
|
|
|
2902 static char *
|
|
|
2903 ngx_http_proxy_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2904 {
|
|
|
2905 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2906
|
|
|
2907 ngx_str_t *value;
|
|
|
2908 ngx_http_compile_complex_value_t ccv;
|
|
|
2909
|
|
|
2910 value = cf->args->elts;
|
|
|
2911
|
|
|
2912 if (plcf->cache_key.value.len) {
|
|
|
2913 return "is duplicate";
|
|
|
2914 }
|
|
|
2915
|
|
|
2916 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
|
|
|
2917
|
|
|
2918 ccv.cf = cf;
|
|
|
2919 ccv.value = &value[1];
|
|
|
2920 ccv.complex_value = &plcf->cache_key;
|
|
|
2921
|
|
|
2922 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
|
|
|
2923 return NGX_CONF_ERROR;
|
|
|
2924 }
|
|
|
2925
|
|
|
2926 return NGX_CONF_OK;
|
|
|
2927 }
|
|
|
2928
|
|
464
|
2929 #endif
|
|
|
2930
|
|
|
2931
|
|
320
|
2932 static char *
|
|
58
|
2933 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data)
|
|
|
2934 {
|
|
|
2935 #if (NGX_FREEBSD)
|
|
|
2936 ssize_t *np = data;
|
|
|
2937
|
|
222
|
2938 if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) {
|
|
58
|
2939 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2940 "\"proxy_send_lowat\" must be less than %d "
|
|
|
2941 "(sysctl net.inet.tcp.sendspace)",
|
|
|
2942 ngx_freebsd_net_inet_tcp_sendspace);
|
|
|
2943
|
|
|
2944 return NGX_CONF_ERROR;
|
|
|
2945 }
|
|
|
2946
|
|
|
2947 #elif !(NGX_HAVE_SO_SNDLOWAT)
|
|
|
2948 ssize_t *np = data;
|
|
|
2949
|
|
|
2950 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
2951 "\"proxy_send_lowat\" is not supported, ignored");
|
|
|
2952
|
|
|
2953 *np = 0;
|
|
|
2954
|
|
|
2955 #endif
|
|
|
2956
|
|
|
2957 return NGX_CONF_OK;
|
|
|
2958 }
|
|
260
|
2959
|
|
|
2960
|
|
|
2961 static char *
|
|
|
2962 ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf,
|
|
|
2963 ngx_command_t *cmd, void *conf)
|
|
|
2964 {
|
|
|
2965 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2966 "\"proxy_upstream_max_fails\" is not supported, "
|
|
|
2967 "use the \"max_fails\" parameter of the \"server\" directive ",
|
|
|
2968 "inside the \"upstream\" block");
|
|
|
2969
|
|
|
2970 return NGX_CONF_ERROR;
|
|
|
2971 }
|
|
|
2972
|
|
|
2973
|
|
|
2974 static char *
|
|
|
2975 ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
|
|
|
2976 ngx_command_t *cmd, void *conf)
|
|
|
2977 {
|
|
|
2978 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2979 "\"proxy_upstream_fail_timeout\" is not supported, "
|
|
|
2980 "use the \"fail_timeout\" parameter of the \"server\" directive ",
|
|
|
2981 "inside the \"upstream\" block");
|
|
|
2982
|
|
|
2983 return NGX_CONF_ERROR;
|
|
|
2984 }
|
|
348
|
2985
|
|
|
2986
|
|
|
2987 #if (NGX_HTTP_SSL)
|
|
|
2988
|
|
|
2989 static ngx_int_t
|
|
|
2990 ngx_http_proxy_set_ssl(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *plcf)
|
|
|
2991 {
|
|
|
2992 ngx_pool_cleanup_t *cln;
|
|
|
2993
|
|
|
2994 plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t));
|
|
|
2995 if (plcf->upstream.ssl == NULL) {
|
|
|
2996 return NGX_ERROR;
|
|
|
2997 }
|
|
|
2998
|
|
|
2999 plcf->upstream.ssl->log = cf->log;
|
|
|
3000
|
|
|
3001 if (ngx_ssl_create(plcf->upstream.ssl,
|
|
|
3002 NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1, NULL)
|
|
|
3003 != NGX_OK)
|
|
|
3004 {
|
|
|
3005 return NGX_ERROR;
|
|
|
3006 }
|
|
|
3007
|
|
|
3008 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
3009 if (cln == NULL) {
|
|
|
3010 return NGX_ERROR;
|
|
|
3011 }
|
|
|
3012
|
|
|
3013 cln->handler = ngx_ssl_cleanup_ctx;
|
|
|
3014 cln->data = plcf->upstream.ssl;
|
|
|
3015
|
|
|
3016 return NGX_OK;
|
|
|
3017 }
|
|
|
3018
|
|
|
3019 #endif
|
|
|
3020
|
|
|
3021
|
|
464
|
3022 static void
|
|
|
3023 ngx_http_proxy_set_vars(ngx_url_t *u, ngx_http_proxy_vars_t *v)
|
|
348
|
3024 {
|
|
400
|
3025 if (u->family != AF_UNIX) {
|
|
464
|
3026
|
|
348
|
3027 if (u->no_port || u->port == u->default_port) {
|
|
464
|
3028
|
|
348
|
3029 v->host_header = u->host;
|
|
|
3030
|
|
|
3031 if (u->default_port == 80) {
|
|
|
3032 v->port.len = sizeof("80") - 1;
|
|
|
3033 v->port.data = (u_char *) "80";
|
|
|
3034
|
|
|
3035 } else {
|
|
|
3036 v->port.len = sizeof("443") - 1;
|
|
|
3037 v->port.data = (u_char *) "443";
|
|
|
3038 }
|
|
|
3039
|
|
|
3040 } else {
|
|
354
|
3041 v->host_header.len = u->host.len + 1 + u->port_text.len;
|
|
|
3042 v->host_header.data = u->host.data;
|
|
|
3043 v->port = u->port_text;
|
|
348
|
3044 }
|
|
|
3045
|
|
464
|
3046 v->key_start.len += v->host_header.len;
|
|
|
3047
|
|
348
|
3048 } else {
|
|
|
3049 v->host_header.len = sizeof("localhost") - 1;
|
|
|
3050 v->host_header.data = (u_char *) "localhost";
|
|
|
3051 v->port.len = 0;
|
|
|
3052 v->port.data = (u_char *) "";
|
|
464
|
3053 v->key_start.len += sizeof("unix:") - 1 + u->host.len + 1;
|
|
348
|
3054 }
|
|
|
3055
|
|
|
3056 v->uri = u->uri;
|
|
|
3057 }
|
