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