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