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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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23
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24 struct {
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200
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25 void *lengths;
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26 void *values;
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58
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27 } vars;
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28
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200
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29 void *regex;
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58
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30 } replacement;
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31 };
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32
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33
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34 typedef struct {
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464
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35 ngx_str_t key_start;
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430
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36 ngx_str_t schema;
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348
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37 ngx_str_t host_header;
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38 ngx_str_t port;
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39 ngx_str_t uri;
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40 } ngx_http_proxy_vars_t;
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41
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42
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43 typedef struct {
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200
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44 ngx_http_upstream_conf_t upstream;
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45
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46 ngx_array_t *flushes;
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47 ngx_array_t *body_set_len;
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48 ngx_array_t *body_set;
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49 ngx_array_t *headers_set_len;
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50 ngx_array_t *headers_set;
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51 ngx_hash_t headers_set_hash;
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52
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53 ngx_array_t *headers_source;
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54 ngx_array_t *headers_names;
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55
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348
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56 ngx_array_t *proxy_lengths;
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57 ngx_array_t *proxy_values;
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58
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200
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59 ngx_array_t *redirects;
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60
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61 ngx_str_t body_source;
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62
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63 ngx_str_t method;
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348
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64 ngx_str_t location;
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65 ngx_str_t url;
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66
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472
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67 #if (NGX_HTTP_CACHE)
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68 ngx_http_complex_value_t cache_key;
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69 #endif
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70
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348
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71 ngx_http_proxy_vars_t vars;
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200
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72
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73 ngx_flag_t redirect;
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298
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74
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75 ngx_uint_t headers_hash_max_size;
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76 ngx_uint_t headers_hash_bucket_size;
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58
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77 } ngx_http_proxy_loc_conf_t;
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78
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79
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80 typedef struct {
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200
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81 ngx_uint_t status;
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82 ngx_uint_t status_count;
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83 u_char *status_start;
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84 u_char *status_end;
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85
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348
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86 ngx_http_proxy_vars_t vars;
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87
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200
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88 size_t internal_body_length;
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58
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89 } ngx_http_proxy_ctx_t;
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90
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91
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92 #define NGX_HTTP_PROXY_PARSE_NO_HEADER 20
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93
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94
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348
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95 static ngx_int_t ngx_http_proxy_eval(ngx_http_request_t *r,
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96 ngx_http_proxy_ctx_t *ctx, ngx_http_proxy_loc_conf_t *plcf);
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464
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97 #if (NGX_HTTP_CACHE)
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98 static ngx_int_t ngx_http_proxy_create_key(ngx_http_request_t *r);
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99 #endif
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58
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100 static ngx_int_t ngx_http_proxy_create_request(ngx_http_request_t *r);
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101 static ngx_int_t ngx_http_proxy_reinit_request(ngx_http_request_t *r);
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102 static ngx_int_t ngx_http_proxy_process_status_line(ngx_http_request_t *r);
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103 static ngx_int_t ngx_http_proxy_parse_status_line(ngx_http_request_t *r,
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348
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104 ngx_http_proxy_ctx_t *ctx);
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105 static ngx_int_t ngx_http_proxy_process_header(ngx_http_request_t *r);
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106 static void ngx_http_proxy_abort_request(ngx_http_request_t *r);
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107 static void ngx_http_proxy_finalize_request(ngx_http_request_t *r,
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108 ngx_int_t rc);
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109
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122
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110 static ngx_int_t ngx_http_proxy_host_variable(ngx_http_request_t *r,
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111 ngx_http_variable_value_t *v, uintptr_t data);
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112 static ngx_int_t ngx_http_proxy_port_variable(ngx_http_request_t *r,
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113 ngx_http_variable_value_t *v, uintptr_t data);
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114 static ngx_int_t
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115 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
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122
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116 ngx_http_variable_value_t *v, uintptr_t data);
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126
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117 static ngx_int_t
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118 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
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119 ngx_http_variable_value_t *v, uintptr_t data);
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120 static ngx_int_t ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r,
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121 ngx_table_elt_t *h, size_t prefix);
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122
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123 static ngx_int_t ngx_http_proxy_add_variables(ngx_conf_t *cf);
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124 static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf);
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125 static char *ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf,
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126 void *parent, void *child);
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464
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127 static ngx_int_t ngx_http_proxy_merge_headers(ngx_conf_t *cf,
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128 ngx_http_proxy_loc_conf_t *conf, ngx_http_proxy_loc_conf_t *prev);
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129
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130 static char *ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd,
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131 void *conf);
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132 static char *ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd,
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133 void *conf);
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320
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134 static char *ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd,
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135 void *conf);
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464
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136 #if (NGX_HTTP_CACHE)
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137 static char *ngx_http_proxy_cache(ngx_conf_t *cf, ngx_command_t *cmd,
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138 void *conf);
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472
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139 static char *ngx_http_proxy_cache_key(ngx_conf_t *cf, ngx_command_t *cmd,
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140 void *conf);
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464
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141 #endif
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142
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143 static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data);
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144
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260
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145 static char *ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf,
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146 ngx_command_t *cmd, void *conf);
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147 static char *ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
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148 ngx_command_t *cmd, void *conf);
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149
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348
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150 #if (NGX_HTTP_SSL)
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151 static ngx_int_t ngx_http_proxy_set_ssl(ngx_conf_t *cf,
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152 ngx_http_proxy_loc_conf_t *plcf);
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153 #endif
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464
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154 static void ngx_http_proxy_set_vars(ngx_url_t *u, ngx_http_proxy_vars_t *v);
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348
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155
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156
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157 static ngx_conf_post_t ngx_http_proxy_lowat_post =
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158 { ngx_http_proxy_lowat_check };
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159
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160
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161 static ngx_conf_bitmask_t ngx_http_proxy_next_upstream_masks[] = {
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162 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
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163 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
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164 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
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165 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
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412
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166 { ngx_string("http_502"), NGX_HTTP_UPSTREAM_FT_HTTP_502 },
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172
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167 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 },
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412
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168 { ngx_string("http_504"), NGX_HTTP_UPSTREAM_FT_HTTP_504 },
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169 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
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214
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170 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF },
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171 { ngx_null_string, 0 }
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172 };
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173
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174
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464
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175 ngx_module_t ngx_http_proxy_module;
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176
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177
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178 static ngx_command_t ngx_http_proxy_commands[] = {
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179
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180 { ngx_string("proxy_pass"),
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256
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181 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1,
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182 ngx_http_proxy_pass,
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183 NGX_HTTP_LOC_CONF_OFFSET,
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184 0,
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185 NULL },
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186
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187 { ngx_string("proxy_redirect"),
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188 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
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189 ngx_http_proxy_redirect,
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190 NGX_HTTP_LOC_CONF_OFFSET,
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191 0,
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192 NULL },
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193
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318
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194 { ngx_string("proxy_store"),
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320
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195 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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196 ngx_http_proxy_store,
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197 NGX_HTTP_LOC_CONF_OFFSET,
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198 0,
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199 NULL },
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200
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201 { ngx_string("proxy_store_access"),
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318
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202 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123,
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203 ngx_conf_set_access_slot,
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204 NGX_HTTP_LOC_CONF_OFFSET,
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320
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205 offsetof(ngx_http_proxy_loc_conf_t, upstream.store_access),
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318
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206 NULL },
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207
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130
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208 { ngx_string("proxy_buffering"),
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209 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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210 ngx_conf_set_flag_slot,
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211 NGX_HTTP_LOC_CONF_OFFSET,
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212 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffering),
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213 NULL },
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214
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178
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215 { ngx_string("proxy_ignore_client_abort"),
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216 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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217 ngx_conf_set_flag_slot,
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218 NGX_HTTP_LOC_CONF_OFFSET,
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219 offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_client_abort),
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220 NULL },
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221
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222 { ngx_string("proxy_connect_timeout"),
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223 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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224 ngx_conf_set_msec_slot,
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225 NGX_HTTP_LOC_CONF_OFFSET,
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226 offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout),
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227 NULL },
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228
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229 { ngx_string("proxy_send_timeout"),
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230 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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231 ngx_conf_set_msec_slot,
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232 NGX_HTTP_LOC_CONF_OFFSET,
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233 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout),
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234 NULL },
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235
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236 { ngx_string("proxy_send_lowat"),
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237 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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238 ngx_conf_set_size_slot,
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239 NGX_HTTP_LOC_CONF_OFFSET,
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240 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat),
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241 &ngx_http_proxy_lowat_post },
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242
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206
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243 { ngx_string("proxy_intercept_errors"),
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244 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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245 ngx_conf_set_flag_slot,
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246 NGX_HTTP_LOC_CONF_OFFSET,
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247 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors),
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248 NULL },
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249
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250 { ngx_string("proxy_set_header"),
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251 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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198
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252 ngx_conf_set_keyval_slot,
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253 NGX_HTTP_LOC_CONF_OFFSET,
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254 offsetof(ngx_http_proxy_loc_conf_t, headers_source),
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255 NULL },
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256
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298
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257 { ngx_string("proxy_headers_hash_max_size"),
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258 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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259 ngx_conf_set_num_slot,
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260 NGX_HTTP_LOC_CONF_OFFSET,
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261 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_max_size),
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262 NULL },
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263
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264 { ngx_string("proxy_headers_hash_bucket_size"),
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265 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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266 ngx_conf_set_num_slot,
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267 NGX_HTTP_LOC_CONF_OFFSET,
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268 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_bucket_size),
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269 NULL },
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270
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126
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271 { ngx_string("proxy_set_body"),
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272 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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273 ngx_conf_set_str_slot,
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274 NGX_HTTP_LOC_CONF_OFFSET,
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275 offsetof(ngx_http_proxy_loc_conf_t, body_source),
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276 NULL },
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277
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58
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278 { ngx_string("proxy_method"),
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279 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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110
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280 ngx_conf_set_str_slot,
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58
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281 NGX_HTTP_LOC_CONF_OFFSET,
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110
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282 offsetof(ngx_http_proxy_loc_conf_t, method),
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283 NULL },
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58
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284
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285 { ngx_string("proxy_pass_request_headers"),
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286 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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287 ngx_conf_set_flag_slot,
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288 NGX_HTTP_LOC_CONF_OFFSET,
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289 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers),
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290 NULL },
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291
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292 { ngx_string("proxy_pass_request_body"),
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293 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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294 ngx_conf_set_flag_slot,
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295 NGX_HTTP_LOC_CONF_OFFSET,
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296 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body),
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297 NULL },
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298
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130
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299 { ngx_string("proxy_buffer_size"),
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300 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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301 ngx_conf_set_size_slot,
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302 NGX_HTTP_LOC_CONF_OFFSET,
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303 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
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304 NULL },
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305
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58
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306 { ngx_string("proxy_read_timeout"),
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307 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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308 ngx_conf_set_msec_slot,
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309 NGX_HTTP_LOC_CONF_OFFSET,
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310 offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout),
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311 NULL },
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312
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313 { ngx_string("proxy_buffers"),
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314 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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315 ngx_conf_set_bufs_slot,
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316 NGX_HTTP_LOC_CONF_OFFSET,
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317 offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs),
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318 NULL },
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319
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320 { ngx_string("proxy_busy_buffers_size"),
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321 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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322 ngx_conf_set_size_slot,
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323 NGX_HTTP_LOC_CONF_OFFSET,
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78
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324 offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf),
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58
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325 NULL },
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326
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464
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327 #if (NGX_HTTP_CACHE)
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328
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329 { ngx_string("proxy_cache"),
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330 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
331 ngx_http_proxy_cache,
|
|
|
332 NGX_HTTP_LOC_CONF_OFFSET,
|
|
466
|
333 0,
|
|
464
|
334 NULL },
|
|
|
335
|
|
472
|
336 { ngx_string("proxy_cache_key"),
|
|
|
337 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
338 ngx_http_proxy_cache_key,
|
|
|
339 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
340 0,
|
|
|
341 NULL },
|
|
|
342
|
|
464
|
343 { ngx_string("proxy_cache_path"),
|
|
|
344 NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE,
|
|
|
345 ngx_http_file_cache_set_slot,
|
|
|
346 0,
|
|
|
347 0,
|
|
|
348 &ngx_http_proxy_module },
|
|
|
349
|
|
|
350 { ngx_string("proxy_cache_valid"),
|
|
|
351 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
352 ngx_http_file_cache_valid_set_slot,
|
|
|
353 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
354 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_valid),
|
|
|
355 NULL },
|
|
|
356
|
|
|
357 { ngx_string("proxy_cache_min_uses"),
|
|
|
358 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
359 ngx_conf_set_num_slot,
|
|
|
360 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
361 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_min_uses),
|
|
|
362 NULL },
|
|
|
363
|
|
|
364 { ngx_string("proxy_cache_use_stale"),
|
|
|
365 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
366 ngx_conf_set_bitmask_slot,
|
|
|
367 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
368 offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_use_stale),
|
|
|
369 &ngx_http_proxy_next_upstream_masks },
|
|
|
370
|
|
|
371 #endif
|
|
|
372
|
|
58
|
373 { ngx_string("proxy_temp_path"),
|
|
|
374 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
|
|
|
375 ngx_conf_set_path_slot,
|
|
|
376 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
377 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path),
|
|
464
|
378 NULL },
|
|
58
|
379
|
|
|
380 { ngx_string("proxy_max_temp_file_size"),
|
|
|
381 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
382 ngx_conf_set_size_slot,
|
|
|
383 NGX_HTTP_LOC_CONF_OFFSET,
|
|
78
|
384 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf),
|
|
58
|
385 NULL },
|
|
|
386
|
|
|
387 { ngx_string("proxy_temp_file_write_size"),
|
|
|
388 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
389 ngx_conf_set_size_slot,
|
|
|
390 NGX_HTTP_LOC_CONF_OFFSET,
|
|
78
|
391 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_file_write_size_conf),
|
|
58
|
392 NULL },
|
|
|
393
|
|
|
394 { ngx_string("proxy_next_upstream"),
|
|
96
|
395 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
58
|
396 ngx_conf_set_bitmask_slot,
|
|
|
397 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
398 offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream),
|
|
|
399 &ngx_http_proxy_next_upstream_masks },
|
|
|
400
|
|
110
|
401 { ngx_string("proxy_upstream_max_fails"),
|
|
|
402 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
260
|
403 ngx_http_proxy_upstream_max_fails_unsupported,
|
|
|
404 0,
|
|
|
405 0,
|
|
110
|
406 NULL },
|
|
|
407
|
|
|
408 { ngx_string("proxy_upstream_fail_timeout"),
|
|
|
409 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
260
|
410 ngx_http_proxy_upstream_fail_timeout_unsupported,
|
|
|
411 0,
|
|
|
412 0,
|
|
110
|
413 NULL },
|
|
|
414
|
|
198
|
415 { ngx_string("proxy_pass_header"),
|
|
58
|
416 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
198
|
417 ngx_conf_set_str_array_slot,
|
|
58
|
418 NGX_HTTP_LOC_CONF_OFFSET,
|
|
198
|
419 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_headers),
|
|
58
|
420 NULL },
|
|
|
421
|
|
198
|
422 { ngx_string("proxy_hide_header"),
|
|
58
|
423 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
198
|
424 ngx_conf_set_str_array_slot,
|
|
58
|
425 NGX_HTTP_LOC_CONF_OFFSET,
|
|
198
|
426 offsetof(ngx_http_proxy_loc_conf_t, upstream.hide_headers),
|
|
58
|
427 NULL },
|
|
|
428
|
|
398
|
429 #if (NGX_HTTP_SSL)
|
|
|
430
|
|
|
431 { ngx_string("proxy_ssl_session_reuse"),
|
|
|
432 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
433 ngx_conf_set_flag_slot,
|
|
|
434 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
435 offsetof(ngx_http_proxy_loc_conf_t, upstream.ssl_session_reuse),
|
|
|
436 NULL },
|
|
|
437
|
|
|
438 #endif
|
|
|
439
|
|
58
|
440 ngx_null_command
|
|
|
441 };
|
|
|
442
|
|
|
443
|
|
216
|
444 static ngx_http_module_t ngx_http_proxy_module_ctx = {
|
|
58
|
445 ngx_http_proxy_add_variables, /* preconfiguration */
|
|
|
446 NULL, /* postconfiguration */
|
|
|
447
|
|
|
448 NULL, /* create main configuration */
|
|
|
449 NULL, /* init main configuration */
|
|
|
450
|
|
|
451 NULL, /* create server configuration */
|
|
|
452 NULL, /* merge server configuration */
|
|
|
453
|
|
|
454 ngx_http_proxy_create_loc_conf, /* create location configration */
|
|
|
455 ngx_http_proxy_merge_loc_conf /* merge location configration */
|
|
|
456 };
|
|
|
457
|
|
|
458
|
|
|
459 ngx_module_t ngx_http_proxy_module = {
|
|
|
460 NGX_MODULE_V1,
|
|
|
461 &ngx_http_proxy_module_ctx, /* module context */
|
|
|
462 ngx_http_proxy_commands, /* module directives */
|
|
|
463 NGX_HTTP_MODULE, /* module type */
|
|
90
|
464 NULL, /* init master */
|
|
58
|
465 NULL, /* init module */
|
|
90
|
466 NULL, /* init process */
|
|
|
467 NULL, /* init thread */
|
|
|
468 NULL, /* exit thread */
|
|
|
469 NULL, /* exit process */
|
|
|
470 NULL, /* exit master */
|
|
|
471 NGX_MODULE_V1_PADDING
|
|
58
|
472 };
|
|
|
473
|
|
|
474
|
|
|
475 static char ngx_http_proxy_version[] = " HTTP/1.0" CRLF;
|
|
|
476
|
|
|
477
|
|
198
|
478 static ngx_keyval_t ngx_http_proxy_headers[] = {
|
|
|
479 { ngx_string("Host"), ngx_string("$proxy_host") },
|
|
|
480 { ngx_string("Connection"), ngx_string("close") },
|
|
|
481 { ngx_string("Keep-Alive"), ngx_string("") },
|
|
384
|
482 { ngx_string("Expect"), ngx_string("") },
|
|
198
|
483 { ngx_null_string, ngx_null_string }
|
|
|
484 };
|
|
|
485
|
|
|
486
|
|
|
487 static ngx_str_t ngx_http_proxy_hide_headers[] = {
|
|
|
488 ngx_string("Date"),
|
|
|
489 ngx_string("Server"),
|
|
|
490 ngx_string("X-Pad"),
|
|
|
491 ngx_string("X-Accel-Expires"),
|
|
|
492 ngx_string("X-Accel-Redirect"),
|
|
|
493 ngx_string("X-Accel-Limit-Rate"),
|
|
364
|
494 ngx_string("X-Accel-Buffering"),
|
|
|
495 ngx_string("X-Accel-Charset"),
|
|
198
|
496 ngx_null_string
|
|
58
|
497 };
|
|
|
498
|
|
|
499
|
|
|
500 static ngx_http_variable_t ngx_http_proxy_vars[] = {
|
|
|
501
|
|
186
|
502 { ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0,
|
|
366
|
503 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
504
|
|
186
|
505 { ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0,
|
|
366
|
506 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
507
|
|
186
|
508 { ngx_string("proxy_add_x_forwarded_for"), NULL,
|
|
132
|
509 ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
510
|
|
|
511 #if 0
|
|
186
|
512 { ngx_string("proxy_add_via"), NULL, NULL, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
513 #endif
|
|
|
514
|
|
186
|
515 { ngx_string("proxy_internal_body_length"), NULL,
|
|
132
|
516 ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
126
|
517
|
|
186
|
518 { ngx_null_string, NULL, NULL, 0, 0, 0 }
|
|
58
|
519 };
|
|
|
520
|
|
|
521
|
|
464
|
522 static ngx_path_init_t ngx_http_proxy_temp_path = {
|
|
|
523 ngx_string(NGX_HTTP_PROXY_TEMP_PATH), { 1, 2, 0 }
|
|
|
524 };
|
|
|
525
|
|
|
526
|
|
58
|
527 static ngx_int_t
|
|
|
528 ngx_http_proxy_handler(ngx_http_request_t *r)
|
|
126
|
529 {
|
|
58
|
530 ngx_int_t rc;
|
|
|
531 ngx_http_upstream_t *u;
|
|
348
|
532 ngx_http_proxy_ctx_t *ctx;
|
|
58
|
533 ngx_http_proxy_loc_conf_t *plcf;
|
|
126
|
534
|
|
58
|
535 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t));
|
|
|
536 if (u == NULL) {
|
|
|
537 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
538 }
|
|
126
|
539
|
|
348
|
540 r->upstream = u;
|
|
|
541
|
|
|
542 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t));
|
|
|
543 if (ctx == NULL) {
|
|
|
544 return NGX_ERROR;
|
|
|
545 }
|
|
|
546
|
|
|
547 ngx_http_set_ctx(r, ctx, ngx_http_proxy_module);
|
|
|
548
|
|
|
549 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
550
|
|
|
551 if (plcf->proxy_lengths == 0) {
|
|
|
552 ctx->vars = plcf->vars;
|
|
430
|
553 u->schema = plcf->vars.schema;
|
|
348
|
554 #if (NGX_HTTP_SSL)
|
|
|
555 u->ssl = (plcf->upstream.ssl != NULL);
|
|
|
556 #endif
|
|
|
557
|
|
|
558 } else {
|
|
|
559 if (ngx_http_proxy_eval(r, ctx, plcf) != NGX_OK) {
|
|
|
560 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
561 }
|
|
|
562 }
|
|
|
563
|
|
58
|
564 u->peer.log = r->connection->log;
|
|
|
565 u->peer.log_error = NGX_ERROR_ERR;
|
|
|
566 #if (NGX_THREADS)
|
|
|
567 u->peer.lock = &r->connection->lock;
|
|
|
568 #endif
|
|
|
569
|
|
|
570 u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module;
|
|
|
571
|
|
|
572 u->conf = &plcf->upstream;
|
|
|
573
|
|
464
|
574 #if (NGX_HTTP_CACHE)
|
|
|
575 u->create_key = ngx_http_proxy_create_key;
|
|
|
576 #endif
|
|
58
|
577 u->create_request = ngx_http_proxy_create_request;
|
|
|
578 u->reinit_request = ngx_http_proxy_reinit_request;
|
|
|
579 u->process_header = ngx_http_proxy_process_status_line;
|
|
|
580 u->abort_request = ngx_http_proxy_abort_request;
|
|
|
581 u->finalize_request = ngx_http_proxy_finalize_request;
|
|
|
582
|
|
|
583 if (plcf->redirects) {
|
|
|
584 u->rewrite_redirect = ngx_http_proxy_rewrite_redirect;
|
|
|
585 }
|
|
|
586
|
|
198
|
587 u->buffering = plcf->upstream.buffering;
|
|
|
588
|
|
|
589 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
|
|
|
590 if (u->pipe == NULL) {
|
|
|
591 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
130
|
592 }
|
|
58
|
593
|
|
198
|
594 u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
|
|
|
595
|
|
58
|
596 u->accel = 1;
|
|
126
|
597
|
|
58
|
598 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
|
599
|
|
|
600 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
|
601 return rc;
|
|
|
602 }
|
|
|
603
|
|
|
604 return NGX_DONE;
|
|
|
605 }
|
|
|
606
|
|
|
607
|
|
|
608 static ngx_int_t
|
|
348
|
609 ngx_http_proxy_eval(ngx_http_request_t *r, ngx_http_proxy_ctx_t *ctx,
|
|
|
610 ngx_http_proxy_loc_conf_t *plcf)
|
|
|
611 {
|
|
464
|
612 u_char *p;
|
|
|
613 size_t add;
|
|
|
614 u_short port;
|
|
|
615 ngx_str_t proxy;
|
|
|
616 ngx_url_t url;
|
|
|
617 ngx_http_upstream_t *u;
|
|
348
|
618
|
|
|
619 if (ngx_http_script_run(r, &proxy, plcf->proxy_lengths->elts, 0,
|
|
|
620 plcf->proxy_values->elts)
|
|
|
621 == NULL)
|
|
|
622 {
|
|
|
623 return NGX_ERROR;
|
|
|
624 }
|
|
|
625
|
|
|
626 if (ngx_strncasecmp(proxy.data, (u_char *) "http://", 7) == 0) {
|
|
|
627
|
|
|
628 add = 7;
|
|
|
629 port = 80;
|
|
|
630
|
|
|
631 #if (NGX_HTTP_SSL)
|
|
|
632
|
|
|
633 } else if (ngx_strncasecmp(proxy.data, (u_char *) "https://", 8) == 0) {
|
|
|
634
|
|
|
635 add = 8;
|
|
|
636 port = 443;
|
|
|
637 r->upstream->ssl = 1;
|
|
|
638
|
|
|
639 #endif
|
|
|
640
|
|
|
641 } else {
|
|
|
642 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
643 "invalid URL prefix in \"%V\"", &proxy);
|
|
|
644 return NGX_ERROR;
|
|
|
645 }
|
|
|
646
|
|
464
|
647 u = r->upstream;
|
|
|
648
|
|
|
649 u->schema.len = add;
|
|
|
650 u->schema.data = proxy.data;
|
|
|
651
|
|
|
652 ngx_memzero(&url, sizeof(ngx_url_t));
|
|
|
653
|
|
|
654 url.url.len = proxy.len - add;
|
|
|
655 url.url.data = proxy.data + add;
|
|
|
656 url.default_port = port;
|
|
|
657 url.uri_part = 1;
|
|
|
658 url.no_resolve = 1;
|
|
|
659
|
|
|
660 if (ngx_parse_url(r->pool, &url) != NGX_OK) {
|
|
|
661 if (url.err) {
|
|
348
|
662 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
464
|
663 "%s in upstream \"%V\"", url.err, &url.url);
|
|
348
|
664 }
|
|
|
665
|
|
|
666 return NGX_ERROR;
|
|
|
667 }
|
|
|
668
|
|
464
|
669 if (url.uri.len && url.uri.data[0] == '?') {
|
|
|
670 p = ngx_pnalloc(r->pool, url.uri.len + 1);
|
|
416
|
671 if (p == NULL) {
|
|
|
672 return NGX_ERROR;
|
|
|
673 }
|
|
|
674
|
|
|
675 *p++ = '/';
|
|
464
|
676 ngx_memcpy(p, url.uri.data, url.uri.len);
|
|
|
677
|
|
|
678 url.uri.len++;
|
|
|
679 url.uri.data = p - 1;
|
|
416
|
680 }
|
|
|
681
|
|
464
|
682 ctx->vars.key_start = u->schema;
|
|
|
683
|
|
|
684 ngx_http_proxy_set_vars(&url, &ctx->vars);
|
|
|
685
|
|
|
686 u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t));
|
|
|
687 if (u->resolved == NULL) {
|
|
348
|
688 return NGX_ERROR;
|
|
|
689 }
|
|
|
690
|
|
464
|
691 if (url.addrs && url.addrs[0].sockaddr) {
|
|
|
692 u->resolved->sockaddr = url.addrs[0].sockaddr;
|
|
|
693 u->resolved->socklen = url.addrs[0].socklen;
|
|
|
694 u->resolved->naddrs = 1;
|
|
|
695 u->resolved->host = url.addrs[0].name;
|
|
434
|
696
|
|
|
697 } else {
|
|
464
|
698 u->resolved->host = url.host;
|
|
|
699 u->resolved->port = (in_port_t) (url.no_port ? port : url.port);
|
|
|
700 u->resolved->no_port = url.no_port;
|
|
434
|
701 }
|
|
348
|
702
|
|
|
703 return NGX_OK;
|
|
|
704 }
|
|
|
705
|
|
|
706
|
|
464
|
707 #if (NGX_HTTP_CACHE)
|
|
|
708
|
|
|
709 static ngx_int_t
|
|
|
710 ngx_http_proxy_create_key(ngx_http_request_t *r)
|
|
|
711 {
|
|
|
712 size_t len, loc_len;
|
|
|
713 u_char *p;
|
|
|
714 uintptr_t escape;
|
|
|
715 ngx_str_t *key;
|
|
|
716 ngx_http_upstream_t *u;
|
|
|
717 ngx_http_proxy_ctx_t *ctx;
|
|
|
718 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
719
|
|
|
720 u = r->upstream;
|
|
|
721
|
|
|
722 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
723
|
|
|
724 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
725
|
|
|
726 key = ngx_array_push(&r->cache->keys);
|
|
|
727 if (key == NULL) {
|
|
|
728 return NGX_ERROR;
|
|
|
729 }
|
|
|
730
|
|
472
|
731 if (plcf->cache_key.value.len) {
|
|
|
732
|
|
|
733 if (ngx_http_complex_value(r, &plcf->cache_key, key) != NGX_OK) {
|
|
|
734 return NGX_ERROR;
|
|
|
735 }
|
|
|
736
|
|
|
737 return NGX_OK;
|
|
|
738 }
|
|
|
739
|
|
464
|
740 *key = ctx->vars.key_start;
|
|
|
741
|
|
|
742 key = ngx_array_push(&r->cache->keys);
|
|
|
743 if (key == NULL) {
|
|
|
744 return NGX_ERROR;
|
|
|
745 }
|
|
|
746
|
|
|
747 if (plcf->proxy_lengths) {
|
|
|
748
|
|
|
749 *key = ctx->vars.uri;
|
|
|
750 u->uri = ctx->vars.uri;
|
|
|
751
|
|
|
752 return NGX_OK;
|
|
|
753
|
|
|
754 } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri && r == r->main)
|
|
|
755 {
|
|
|
756 *key = r->unparsed_uri;
|
|
|
757 u->uri = r->unparsed_uri;
|
|
|
758
|
|
|
759 return NGX_OK;
|
|
|
760 }
|
|
|
761
|
|
|
762 loc_len = (r->valid_location && ctx->vars.uri.len) ? plcf->location.len : 0;
|
|
|
763
|
|
|
764 if (r->quoted_uri || r->internal) {
|
|
|
765 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
|
|
|
766 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
767 } else {
|
|
|
768 escape = 0;
|
|
|
769 }
|
|
|
770
|
|
|
771 len = ctx->vars.uri.len + r->uri.len - loc_len + escape
|
|
|
772 + sizeof("?") - 1 + r->args.len;
|
|
|
773
|
|
|
774 p = ngx_pnalloc(r->pool, len);
|
|
|
775 if (p == NULL) {
|
|
|
776 return NGX_ERROR;
|
|
|
777 }
|
|
|
778
|
|
|
779 key->data = p;
|
|
|
780
|
|
|
781 if (r->valid_location) {
|
|
|
782 p = ngx_copy(p, ctx->vars.uri.data, ctx->vars.uri.len);
|
|
|
783 }
|
|
|
784
|
|
|
785 if (escape) {
|
|
|
786 ngx_escape_uri(p, r->uri.data + loc_len,
|
|
|
787 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
788 p += r->uri.len - loc_len + escape;
|
|
|
789
|
|
|
790 } else {
|
|
|
791 p = ngx_copy(p, r->uri.data + loc_len, r->uri.len - loc_len);
|
|
|
792 }
|
|
|
793
|
|
|
794 if (r->args.len > 0) {
|
|
|
795 *p++ = '?';
|
|
|
796 p = ngx_copy(p, r->args.data, r->args.len);
|
|
|
797 }
|
|
|
798
|
|
|
799 key->len = p - key->data;
|
|
|
800 u->uri = *key;
|
|
|
801
|
|
|
802 return NGX_OK;
|
|
|
803 }
|
|
|
804
|
|
|
805 #endif
|
|
|
806
|
|
|
807
|
|
348
|
808 static ngx_int_t
|
|
58
|
809 ngx_http_proxy_create_request(ngx_http_request_t *r)
|
|
|
810 {
|
|
464
|
811 size_t len, uri_len, loc_len, body_len;
|
|
58
|
812 uintptr_t escape;
|
|
|
813 ngx_buf_t *b;
|
|
198
|
814 ngx_str_t method;
|
|
|
815 ngx_uint_t i, unparsed_uri;
|
|
58
|
816 ngx_chain_t *cl, *body;
|
|
|
817 ngx_list_part_t *part;
|
|
|
818 ngx_table_elt_t *header;
|
|
|
819 ngx_http_upstream_t *u;
|
|
348
|
820 ngx_http_proxy_ctx_t *ctx;
|
|
58
|
821 ngx_http_script_code_pt code;
|
|
|
822 ngx_http_script_engine_t e, le;
|
|
|
823 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
824 ngx_http_script_len_code_pt lcode;
|
|
|
825
|
|
|
826 u = r->upstream;
|
|
|
827
|
|
|
828 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
829
|
|
110
|
830 if (u->method.len) {
|
|
|
831 /* HEAD was changed to GET to cache response */
|
|
|
832 method = u->method;
|
|
|
833 method.len++;
|
|
|
834
|
|
|
835 } else if (plcf->method.len) {
|
|
|
836 method = plcf->method;
|
|
|
837
|
|
58
|
838 } else {
|
|
110
|
839 method = r->method_name;
|
|
|
840 method.len++;
|
|
58
|
841 }
|
|
|
842
|
|
352
|
843 len = method.len + sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1;
|
|
|
844
|
|
58
|
845 escape = 0;
|
|
348
|
846 loc_len = 0;
|
|
|
847 unparsed_uri = 0;
|
|
|
848
|
|
|
849 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
850
|
|
|
851 if (plcf->proxy_lengths) {
|
|
464
|
852 uri_len = ctx->vars.uri.len;
|
|
348
|
853
|
|
|
854 } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri && r == r->main)
|
|
|
855 {
|
|
158
|
856 unparsed_uri = 1;
|
|
464
|
857 uri_len = r->unparsed_uri.len;
|
|
58
|
858
|
|
|
859 } else {
|
|
348
|
860 loc_len = (r->valid_location && ctx->vars.uri.len) ?
|
|
|
861 plcf->location.len : 0;
|
|
|
862
|
|
336
|
863 if (r->quoted_uri || r->internal) {
|
|
58
|
864 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
|
|
|
865 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
866 }
|
|
|
867
|
|
464
|
868 uri_len = ctx->vars.uri.len + r->uri.len - loc_len + escape
|
|
|
869 + sizeof("?") - 1 + r->args.len;
|
|
58
|
870 }
|
|
|
871
|
|
464
|
872 if (uri_len == 0) {
|
|
|
873 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
874 "zero length URI to proxy");
|
|
|
875 return NGX_ERROR;
|
|
|
876 }
|
|
|
877
|
|
|
878 len += uri_len;
|
|
|
879
|
|
340
|
880 ngx_http_script_flush_no_cacheable_variables(r, plcf->flushes);
|
|
122
|
881
|
|
126
|
882 if (plcf->body_set_len) {
|
|
|
883 le.ip = plcf->body_set_len->elts;
|
|
|
884 le.request = r;
|
|
|
885 le.flushed = 1;
|
|
|
886 body_len = 0;
|
|
|
887
|
|
|
888 while (*(uintptr_t *) le.ip) {
|
|
|
889 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
890 body_len += lcode(&le);
|
|
|
891 }
|
|
|
892
|
|
348
|
893 ctx->internal_body_length = body_len;
|
|
126
|
894 len += body_len;
|
|
|
895 }
|
|
|
896
|
|
58
|
897 le.ip = plcf->headers_set_len->elts;
|
|
|
898 le.request = r;
|
|
122
|
899 le.flushed = 1;
|
|
58
|
900
|
|
|
901 while (*(uintptr_t *) le.ip) {
|
|
|
902 while (*(uintptr_t *) le.ip) {
|
|
|
903 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
904 len += lcode(&le);
|
|
|
905 }
|
|
|
906 le.ip += sizeof(uintptr_t);
|
|
|
907 }
|
|
|
908
|
|
|
909
|
|
|
910 if (plcf->upstream.pass_request_headers) {
|
|
|
911 part = &r->headers_in.headers.part;
|
|
|
912 header = part->elts;
|
|
|
913
|
|
|
914 for (i = 0; /* void */; i++) {
|
|
|
915
|
|
|
916 if (i >= part->nelts) {
|
|
|
917 if (part->next == NULL) {
|
|
|
918 break;
|
|
|
919 }
|
|
|
920
|
|
|
921 part = part->next;
|
|
|
922 header = part->elts;
|
|
126
|
923 i = 0;
|
|
58
|
924 }
|
|
|
925
|
|
198
|
926 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
927 header[i].lowcase_key, header[i].key.len))
|
|
58
|
928 {
|
|
|
929 continue;
|
|
|
930 }
|
|
|
931
|
|
|
932 len += header[i].key.len + sizeof(": ") - 1
|
|
|
933 + header[i].value.len + sizeof(CRLF) - 1;
|
|
|
934 }
|
|
|
935 }
|
|
|
936
|
|
|
937
|
|
|
938 b = ngx_create_temp_buf(r->pool, len);
|
|
|
939 if (b == NULL) {
|
|
|
940 return NGX_ERROR;
|
|
|
941 }
|
|
|
942
|
|
|
943 cl = ngx_alloc_chain_link(r->pool);
|
|
|
944 if (cl == NULL) {
|
|
|
945 return NGX_ERROR;
|
|
|
946 }
|
|
|
947
|
|
|
948 cl->buf = b;
|
|
|
949
|
|
|
950
|
|
|
951 /* the request line */
|
|
|
952
|
|
122
|
953 b->last = ngx_copy(b->last, method.data, method.len);
|
|
58
|
954
|
|
104
|
955 u->uri.data = b->last;
|
|
|
956
|
|
348
|
957 if (plcf->proxy_lengths) {
|
|
|
958 b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len);
|
|
|
959
|
|
|
960 } else if (unparsed_uri) {
|
|
122
|
961 b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len);
|
|
|
962
|
|
58
|
963 } else {
|
|
104
|
964 if (r->valid_location) {
|
|
348
|
965 b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len);
|
|
104
|
966 }
|
|
100
|
967
|
|
58
|
968 if (escape) {
|
|
|
969 ngx_escape_uri(b->last, r->uri.data + loc_len,
|
|
|
970 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
971 b->last += r->uri.len - loc_len + escape;
|
|
|
972
|
|
126
|
973 } else {
|
|
122
|
974 b->last = ngx_copy(b->last, r->uri.data + loc_len,
|
|
|
975 r->uri.len - loc_len);
|
|
58
|
976 }
|
|
|
977
|
|
|
978 if (r->args.len > 0) {
|
|
|
979 *b->last++ = '?';
|
|
122
|
980 b->last = ngx_copy(b->last, r->args.data, r->args.len);
|
|
58
|
981 }
|
|
|
982 }
|
|
|
983
|
|
104
|
984 u->uri.len = b->last - u->uri.data;
|
|
|
985
|
|
58
|
986 b->last = ngx_cpymem(b->last, ngx_http_proxy_version,
|
|
|
987 sizeof(ngx_http_proxy_version) - 1);
|
|
|
988
|
|
126
|
989 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
58
|
990
|
|
|
991 e.ip = plcf->headers_set->elts;
|
|
|
992 e.pos = b->last;
|
|
|
993 e.request = r;
|
|
122
|
994 e.flushed = 1;
|
|
58
|
995
|
|
|
996 le.ip = plcf->headers_set_len->elts;
|
|
|
997
|
|
|
998 while (*(uintptr_t *) le.ip) {
|
|
|
999 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
64
|
1000
|
|
|
1001 /* skip the header line name length */
|
|
|
1002 (void) lcode(&le);
|
|
58
|
1003
|
|
|
1004 if (*(ngx_http_script_len_code_pt *) le.ip) {
|
|
|
1005
|
|
|
1006 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) {
|
|
|
1007 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
1008 }
|
|
|
1009
|
|
|
1010 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0;
|
|
|
1011
|
|
|
1012 } else {
|
|
|
1013 e.skip = 0;
|
|
|
1014 }
|
|
|
1015
|
|
|
1016 le.ip += sizeof(uintptr_t);
|
|
|
1017
|
|
|
1018 while (*(uintptr_t *) e.ip) {
|
|
|
1019 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1020 code((ngx_http_script_engine_t *) &e);
|
|
126
|
1021 }
|
|
58
|
1022 e.ip += sizeof(uintptr_t);
|
|
|
1023 }
|
|
|
1024
|
|
|
1025 b->last = e.pos;
|
|
|
1026
|
|
|
1027
|
|
|
1028 if (plcf->upstream.pass_request_headers) {
|
|
|
1029 part = &r->headers_in.headers.part;
|
|
|
1030 header = part->elts;
|
|
126
|
1031
|
|
58
|
1032 for (i = 0; /* void */; i++) {
|
|
|
1033
|
|
|
1034 if (i >= part->nelts) {
|
|
|
1035 if (part->next == NULL) {
|
|
|
1036 break;
|
|
|
1037 }
|
|
|
1038
|
|
|
1039 part = part->next;
|
|
|
1040 header = part->elts;
|
|
126
|
1041 i = 0;
|
|
58
|
1042 }
|
|
|
1043
|
|
198
|
1044 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
1045 header[i].lowcase_key, header[i].key.len))
|
|
58
|
1046 {
|
|
|
1047 continue;
|
|
|
1048 }
|
|
|
1049
|
|
122
|
1050 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len);
|
|
58
|
1051
|
|
|
1052 *b->last++ = ':'; *b->last++ = ' ';
|
|
|
1053
|
|
122
|
1054 b->last = ngx_copy(b->last, header[i].value.data,
|
|
|
1055 header[i].value.len);
|
|
58
|
1056
|
|
|
1057 *b->last++ = CR; *b->last++ = LF;
|
|
|
1058
|
|
|
1059 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1060 "http proxy header: \"%V: %V\"",
|
|
|
1061 &header[i].key, &header[i].value);
|
|
|
1062 }
|
|
|
1063 }
|
|
|
1064
|
|
126
|
1065
|
|
58
|
1066 /* add "\r\n" at the header end */
|
|
|
1067 *b->last++ = CR; *b->last++ = LF;
|
|
|
1068
|
|
126
|
1069 if (plcf->body_set) {
|
|
|
1070 e.ip = plcf->body_set->elts;
|
|
|
1071 e.pos = b->last;
|
|
|
1072
|
|
|
1073 while (*(uintptr_t *) e.ip) {
|
|
|
1074 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1075 code((ngx_http_script_engine_t *) &e);
|
|
|
1076 }
|
|
128
|
1077
|
|
|
1078 b->last = e.pos;
|
|
126
|
1079 }
|
|
|
1080
|
|
358
|
1081 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1082 "http proxy header:\n\"%*s\"",
|
|
|
1083 (size_t) (b->last - b->pos), b->pos);
|
|
58
|
1084
|
|
126
|
1085 if (plcf->body_set == NULL && plcf->upstream.pass_request_body) {
|
|
58
|
1086
|
|
|
1087 body = u->request_bufs;
|
|
|
1088 u->request_bufs = cl;
|
|
|
1089
|
|
|
1090 while (body) {
|
|
|
1091 b = ngx_alloc_buf(r->pool);
|
|
|
1092 if (b == NULL) {
|
|
|
1093 return NGX_ERROR;
|
|
|
1094 }
|
|
|
1095
|
|
|
1096 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
1097
|
|
|
1098 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
1099 if (cl->next == NULL) {
|
|
|
1100 return NGX_ERROR;
|
|
|
1101 }
|
|
|
1102
|
|
|
1103 cl = cl->next;
|
|
|
1104 cl->buf = b;
|
|
|
1105
|
|
|
1106 body = body->next;
|
|
|
1107 }
|
|
|
1108
|
|
160
|
1109 b->flush = 1;
|
|
|
1110
|
|
58
|
1111 } else {
|
|
|
1112 u->request_bufs = cl;
|
|
|
1113 }
|
|
|
1114
|
|
|
1115 cl->next = NULL;
|
|
|
1116
|
|
|
1117 return NGX_OK;
|
|
|
1118 }
|
|
|
1119
|
|
|
1120
|
|
|
1121 static ngx_int_t
|
|
|
1122 ngx_http_proxy_reinit_request(ngx_http_request_t *r)
|
|
|
1123 {
|
|
348
|
1124 ngx_http_proxy_ctx_t *ctx;
|
|
|
1125
|
|
|
1126 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1127
|
|
|
1128 if (ctx == NULL) {
|
|
58
|
1129 return NGX_OK;
|
|
|
1130 }
|
|
|
1131
|
|
348
|
1132 ctx->status = 0;
|
|
|
1133 ctx->status_count = 0;
|
|
|
1134 ctx->status_start = NULL;
|
|
|
1135 ctx->status_end = NULL;
|
|
58
|
1136
|
|
|
1137 r->upstream->process_header = ngx_http_proxy_process_status_line;
|
|
|
1138
|
|
|
1139 return NGX_OK;
|
|
|
1140 }
|
|
|
1141
|
|
|
1142
|
|
|
1143 static ngx_int_t
|
|
|
1144 ngx_http_proxy_process_status_line(ngx_http_request_t *r)
|
|
|
1145 {
|
|
|
1146 ngx_int_t rc;
|
|
|
1147 ngx_http_upstream_t *u;
|
|
348
|
1148 ngx_http_proxy_ctx_t *ctx;
|
|
|
1149
|
|
|
1150 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1151
|
|
|
1152 if (ctx == NULL) {
|
|
356
|
1153 return NGX_ERROR;
|
|
58
|
1154 }
|
|
|
1155
|
|
348
|
1156 rc = ngx_http_proxy_parse_status_line(r, ctx);
|
|
58
|
1157
|
|
|
1158 if (rc == NGX_AGAIN) {
|
|
|
1159 return rc;
|
|
|
1160 }
|
|
|
1161
|
|
|
1162 u = r->upstream;
|
|
|
1163
|
|
|
1164 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) {
|
|
464
|
1165
|
|
|
1166 #if (NGX_HTTP_CACHE)
|
|
|
1167
|
|
|
1168 if (r->cache) {
|
|
|
1169 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
1170 u->headers_in.status_n = NGX_HTTP_OK;
|
|
|
1171 return NGX_OK;
|
|
|
1172 }
|
|
|
1173
|
|
|
1174 #endif
|
|
|
1175
|
|
58
|
1176 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
126
|
1177 "upstream sent no valid HTTP/1.0 header");
|
|
58
|
1178
|
|
168
|
1179 #if 0
|
|
58
|
1180 if (u->accel) {
|
|
|
1181 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1182 }
|
|
168
|
1183 #endif
|
|
58
|
1184
|
|
|
1185 r->http_version = NGX_HTTP_VERSION_9;
|
|
346
|
1186 u->headers_in.status_n = NGX_HTTP_OK;
|
|
|
1187 u->state->status = NGX_HTTP_OK;
|
|
126
|
1188
|
|
58
|
1189 return NGX_OK;
|
|
|
1190 }
|
|
|
1191
|
|
464
|
1192 if (u->state) {
|
|
|
1193 u->state->status = ctx->status;
|
|
|
1194 }
|
|
|
1195
|
|
348
|
1196 u->headers_in.status_n = ctx->status;
|
|
|
1197
|
|
|
1198 u->headers_in.status_line.len = ctx->status_end - ctx->status_start;
|
|
382
|
1199 u->headers_in.status_line.data = ngx_pnalloc(r->pool,
|
|
|
1200 u->headers_in.status_line.len);
|
|
78
|
1201 if (u->headers_in.status_line.data == NULL) {
|
|
356
|
1202 return NGX_ERROR;
|
|
58
|
1203 }
|
|
122
|
1204
|
|
348
|
1205 ngx_memcpy(u->headers_in.status_line.data, ctx->status_start,
|
|
78
|
1206 u->headers_in.status_line.len);
|
|
58
|
1207
|
|
|
1208 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1209 "http proxy status %ui \"%V\"",
|
|
270
|
1210 u->headers_in.status_n, &u->headers_in.status_line);
|
|
58
|
1211
|
|
|
1212 u->process_header = ngx_http_proxy_process_header;
|
|
|
1213
|
|
|
1214 return ngx_http_proxy_process_header(r);
|
|
|
1215 }
|
|
|
1216
|
|
|
1217
|
|
|
1218 static ngx_int_t
|
|
348
|
1219 ngx_http_proxy_parse_status_line(ngx_http_request_t *r,
|
|
|
1220 ngx_http_proxy_ctx_t *ctx)
|
|
58
|
1221 {
|
|
|
1222 u_char ch;
|
|
348
|
1223 u_char *p;
|
|
58
|
1224 ngx_http_upstream_t *u;
|
|
|
1225 enum {
|
|
|
1226 sw_start = 0,
|
|
|
1227 sw_H,
|
|
|
1228 sw_HT,
|
|
|
1229 sw_HTT,
|
|
|
1230 sw_HTTP,
|
|
|
1231 sw_first_major_digit,
|
|
|
1232 sw_major_digit,
|
|
|
1233 sw_first_minor_digit,
|
|
|
1234 sw_minor_digit,
|
|
|
1235 sw_status,
|
|
|
1236 sw_space_after_status,
|
|
|
1237 sw_status_text,
|
|
|
1238 sw_almost_done
|
|
126
|
1239 } state;
|
|
58
|
1240
|
|
|
1241 u = r->upstream;
|
|
|
1242
|
|
|
1243 state = r->state;
|
|
|
1244
|
|
348
|
1245 for (p = u->buffer.pos; p < u->buffer.last; p++) {
|
|
|
1246 ch = *p;
|
|
58
|
1247
|
|
|
1248 switch (state) {
|
|
|
1249
|
|
|
1250 /* "HTTP/" */
|
|
|
1251 case sw_start:
|
|
|
1252 switch (ch) {
|
|
126
|
1253 case 'H':
|
|
58
|
1254 state = sw_H;
|
|
|
1255 break;
|
|
|
1256 default:
|
|
|
1257 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1258 }
|
|
|
1259 break;
|
|
|
1260
|
|
126
|
1261 case sw_H:
|
|
58
|
1262 switch (ch) {
|
|
126
|
1263 case 'T':
|
|
58
|
1264 state = sw_HT;
|
|
|
1265 break;
|
|
|
1266 default:
|
|
|
1267 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1268 }
|
|
|
1269 break;
|
|
|
1270
|
|
|
1271 case sw_HT:
|
|
|
1272 switch (ch) {
|
|
126
|
1273 case 'T':
|
|
58
|
1274 state = sw_HTT;
|
|
|
1275 break;
|
|
|
1276 default:
|
|
|
1277 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1278 }
|
|
|
1279 break;
|
|
|
1280
|
|
|
1281 case sw_HTT:
|
|
|
1282 switch (ch) {
|
|
126
|
1283 case 'P':
|
|
58
|
1284 state = sw_HTTP;
|
|
|
1285 break;
|
|
|
1286 default:
|
|
|
1287 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1288 }
|
|
|
1289 break;
|
|
|
1290
|
|
|
1291 case sw_HTTP:
|
|
|
1292 switch (ch) {
|
|
126
|
1293 case '/':
|
|
58
|
1294 state = sw_first_major_digit;
|
|
|
1295 break;
|
|
|
1296 default:
|
|
|
1297 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1298 }
|
|
|
1299 break;
|
|
|
1300
|
|
|
1301 /* the first digit of major HTTP version */
|
|
|
1302 case sw_first_major_digit:
|
|
|
1303 if (ch < '1' || ch > '9') {
|
|
|
1304 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1305 }
|
|
|
1306
|
|
|
1307 state = sw_major_digit;
|
|
|
1308 break;
|
|
|
1309
|
|
|
1310 /* the major HTTP version or dot */
|
|
|
1311 case sw_major_digit:
|
|
|
1312 if (ch == '.') {
|
|
|
1313 state = sw_first_minor_digit;
|
|
|
1314 break;
|
|
|
1315 }
|
|
|
1316
|
|
|
1317 if (ch < '0' || ch > '9') {
|
|
|
1318 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1319 }
|
|
|
1320
|
|
|
1321 break;
|
|
|
1322
|
|
|
1323 /* the first digit of minor HTTP version */
|
|
|
1324 case sw_first_minor_digit:
|
|
|
1325 if (ch < '0' || ch > '9') {
|
|
|
1326 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1327 }
|
|
|
1328
|
|
|
1329 state = sw_minor_digit;
|
|
|
1330 break;
|
|
|
1331
|
|
|
1332 /* the minor HTTP version or the end of the request line */
|
|
|
1333 case sw_minor_digit:
|
|
|
1334 if (ch == ' ') {
|
|
|
1335 state = sw_status;
|
|
|
1336 break;
|
|
|
1337 }
|
|
|
1338
|
|
|
1339 if (ch < '0' || ch > '9') {
|
|
|
1340 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1341 }
|
|
|
1342
|
|
|
1343 break;
|
|
|
1344
|
|
|
1345 /* HTTP status code */
|
|
|
1346 case sw_status:
|
|
168
|
1347 if (ch == ' ') {
|
|
|
1348 break;
|
|
|
1349 }
|
|
|
1350
|
|
58
|
1351 if (ch < '0' || ch > '9') {
|
|
|
1352 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1353 }
|
|
|
1354
|
|
348
|
1355 ctx->status = ctx->status * 10 + ch - '0';
|
|
|
1356
|
|
|
1357 if (++ctx->status_count == 3) {
|
|
58
|
1358 state = sw_space_after_status;
|
|
348
|
1359 ctx->status_start = p - 2;
|
|
58
|
1360 }
|
|
|
1361
|
|
|
1362 break;
|
|
|
1363
|
|
|
1364 /* space or end of line */
|
|
|
1365 case sw_space_after_status:
|
|
|
1366 switch (ch) {
|
|
126
|
1367 case ' ':
|
|
58
|
1368 state = sw_status_text;
|
|
|
1369 break;
|
|
|
1370 case '.': /* IIS may send 403.1, 403.2, etc */
|
|
|
1371 state = sw_status_text;
|
|
|
1372 break;
|
|
|
1373 case CR:
|
|
|
1374 state = sw_almost_done;
|
|
|
1375 break;
|
|
|
1376 case LF:
|
|
|
1377 goto done;
|
|
|
1378 default:
|
|
|
1379 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1380 }
|
|
|
1381 break;
|
|
|
1382
|
|
|
1383 /* any text until end of line */
|
|
|
1384 case sw_status_text:
|
|
|
1385 switch (ch) {
|
|
|
1386 case CR:
|
|
|
1387 state = sw_almost_done;
|
|
|
1388
|
|
|
1389 break;
|
|
|
1390 case LF:
|
|
|
1391 goto done;
|
|
|
1392 }
|
|
|
1393 break;
|
|
|
1394
|
|
76
|
1395 /* end of status line */
|
|
58
|
1396 case sw_almost_done:
|
|
348
|
1397 ctx->status_end = p - 1;
|
|
58
|
1398 switch (ch) {
|
|
|
1399 case LF:
|
|
|
1400 goto done;
|
|
|
1401 default:
|
|
|
1402 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1403 }
|
|
|
1404 }
|
|
|
1405 }
|
|
|
1406
|
|
348
|
1407 u->buffer.pos = p;
|
|
58
|
1408 r->state = state;
|
|
|
1409
|
|
|
1410 return NGX_AGAIN;
|
|
|
1411
|
|
|
1412 done:
|
|
|
1413
|
|
348
|
1414 u->buffer.pos = p + 1;
|
|
|
1415
|
|
|
1416 if (ctx->status_end == NULL) {
|
|
|
1417 ctx->status_end = p;
|
|
58
|
1418 }
|
|
|
1419
|
|
|
1420 r->state = sw_start;
|
|
|
1421
|
|
|
1422 return NGX_OK;
|
|
|
1423 }
|
|
|
1424
|
|
|
1425
|
|
|
1426 static ngx_int_t
|
|
|
1427 ngx_http_proxy_process_header(ngx_http_request_t *r)
|
|
|
1428 {
|
|
|
1429 ngx_int_t rc;
|
|
|
1430 ngx_table_elt_t *h;
|
|
|
1431 ngx_http_upstream_header_t *hh;
|
|
|
1432 ngx_http_upstream_main_conf_t *umcf;
|
|
|
1433
|
|
|
1434 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
1435
|
|
378
|
1436 for ( ;; ) {
|
|
58
|
1437
|
|
412
|
1438 rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1);
|
|
58
|
1439
|
|
|
1440 if (rc == NGX_OK) {
|
|
|
1441
|
|
|
1442 /* a header line has been parsed successfully */
|
|
|
1443
|
|
|
1444 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1445 if (h == NULL) {
|
|
356
|
1446 return NGX_ERROR;
|
|
58
|
1447 }
|
|
|
1448
|
|
|
1449 h->hash = r->header_hash;
|
|
|
1450
|
|
|
1451 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
1452 h->value.len = r->header_end - r->header_start;
|
|
|
1453
|
|
382
|
1454 h->key.data = ngx_pnalloc(r->pool,
|
|
198
|
1455 h->key.len + 1 + h->value.len + 1 + h->key.len);
|
|
58
|
1456 if (h->key.data == NULL) {
|
|
356
|
1457 return NGX_ERROR;
|
|
58
|
1458 }
|
|
|
1459
|
|
|
1460 h->value.data = h->key.data + h->key.len + 1;
|
|
198
|
1461 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1;
|
|
58
|
1462
|
|
|
1463 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
|
1464 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
|
1465
|
|
198
|
1466 if (h->key.len == r->lowcase_index) {
|
|
|
1467 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
1468
|
|
|
1469 } else {
|
|
392
|
1470 ngx_strlow(h->lowcase_key, h->key.data, h->key.len);
|
|
58
|
1471 }
|
|
|
1472
|
|
198
|
1473 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash,
|
|
|
1474 h->lowcase_key, h->key.len);
|
|
|
1475
|
|
|
1476 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
356
|
1477 return NGX_ERROR;
|
|
198
|
1478 }
|
|
|
1479
|
|
58
|
1480 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1481 "http proxy header: \"%V: %V\"",
|
|
|
1482 &h->key, &h->value);
|
|
|
1483
|
|
|
1484 continue;
|
|
|
1485 }
|
|
|
1486
|
|
|
1487 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
|
1488
|
|
|
1489 /* a whole header has been parsed successfully */
|
|
|
1490
|
|
|
1491 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1492 "http proxy header done");
|
|
|
1493
|
|
198
|
1494 /*
|
|
|
1495 * if no "Server" and "Date" in header line,
|
|
|
1496 * then add the special empty headers
|
|
|
1497 */
|
|
|
1498
|
|
|
1499 if (r->upstream->headers_in.server == NULL) {
|
|
|
1500 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1501 if (h == NULL) {
|
|
356
|
1502 return NGX_ERROR;
|
|
198
|
1503 }
|
|
|
1504
|
|
|
1505 h->hash = ngx_hash(ngx_hash(ngx_hash(ngx_hash(
|
|
|
1506 ngx_hash('s', 'e'), 'r'), 'v'), 'e'), 'r');
|
|
|
1507
|
|
|
1508 h->key.len = sizeof("Server") - 1;
|
|
|
1509 h->key.data = (u_char *) "Server";
|
|
|
1510 h->value.len = 0;
|
|
|
1511 h->value.data = NULL;
|
|
|
1512 h->lowcase_key = (u_char *) "server";
|
|
|
1513 }
|
|
|
1514
|
|
|
1515 if (r->upstream->headers_in.date == NULL) {
|
|
|
1516 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1517 if (h == NULL) {
|
|
356
|
1518 return NGX_ERROR;
|
|
198
|
1519 }
|
|
|
1520
|
|
|
1521 h->hash = ngx_hash(ngx_hash(ngx_hash('d', 'a'), 't'), 'e');
|
|
|
1522
|
|
|
1523 h->key.len = sizeof("Date") - 1;
|
|
|
1524 h->key.data = (u_char *) "Date";
|
|
|
1525 h->value.len = 0;
|
|
|
1526 h->value.data = NULL;
|
|
|
1527 h->lowcase_key = (u_char *) "date";
|
|
|
1528 }
|
|
|
1529
|
|
58
|
1530 return NGX_OK;
|
|
|
1531 }
|
|
|
1532
|
|
70
|
1533 if (rc == NGX_AGAIN) {
|
|
|
1534 return NGX_AGAIN;
|
|
|
1535 }
|
|
|
1536
|
|
58
|
1537 /* there was error while a header line parsing */
|
|
|
1538
|
|
|
1539 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
168
|
1540 "upstream sent invalid header");
|
|
58
|
1541
|
|
|
1542 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1543 }
|
|
|
1544 }
|
|
|
1545
|
|
|
1546
|
|
|
1547 static void
|
|
|
1548 ngx_http_proxy_abort_request(ngx_http_request_t *r)
|
|
|
1549 {
|
|
|
1550 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1551 "abort http proxy request");
|
|
126
|
1552
|
|
58
|
1553 return;
|
|
|
1554 }
|
|
|
1555
|
|
|
1556
|
|
|
1557 static void
|
|
|
1558 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
126
|
1559 {
|
|
58
|
1560 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1561 "finalize http proxy request");
|
|
|
1562
|
|
|
1563 return;
|
|
|
1564 }
|
|
|
1565
|
|
|
1566
|
|
122
|
1567 static ngx_int_t
|
|
|
1568 ngx_http_proxy_host_variable(ngx_http_request_t *r,
|
|
|
1569 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1570 {
|
|
348
|
1571 ngx_http_proxy_ctx_t *ctx;
|
|
|
1572
|
|
|
1573 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1574
|
|
|
1575 if (ctx == NULL) {
|
|
|
1576 v->not_found = 1;
|
|
|
1577 return NGX_OK;
|
|
|
1578 }
|
|
|
1579
|
|
|
1580 v->len = ctx->vars.host_header.len;
|
|
126
|
1581 v->valid = 1;
|
|
340
|
1582 v->no_cacheable = 0;
|
|
122
|
1583 v->not_found = 0;
|
|
348
|
1584 v->data = ctx->vars.host_header.data;
|
|
58
|
1585
|
|
122
|
1586 return NGX_OK;
|
|
58
|
1587 }
|
|
|
1588
|
|
|
1589
|
|
122
|
1590 static ngx_int_t
|
|
|
1591 ngx_http_proxy_port_variable(ngx_http_request_t *r,
|
|
|
1592 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1593 {
|
|
348
|
1594 ngx_http_proxy_ctx_t *ctx;
|
|
|
1595
|
|
|
1596 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1597
|
|
|
1598 if (ctx == NULL) {
|
|
|
1599 v->not_found = 1;
|
|
|
1600 return NGX_OK;
|
|
|
1601 }
|
|
|
1602
|
|
|
1603 v->len = ctx->vars.port.len;
|
|
126
|
1604 v->valid = 1;
|
|
340
|
1605 v->no_cacheable = 0;
|
|
122
|
1606 v->not_found = 0;
|
|
348
|
1607 v->data = ctx->vars.port.data;
|
|
58
|
1608
|
|
122
|
1609 return NGX_OK;
|
|
58
|
1610 }
|
|
|
1611
|
|
|
1612
|
|
122
|
1613 static ngx_int_t
|
|
58
|
1614 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
|
|
122
|
1615 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1616 {
|
|
122
|
1617 u_char *p;
|
|
58
|
1618
|
|
126
|
1619 v->valid = 1;
|
|
340
|
1620 v->no_cacheable = 0;
|
|
122
|
1621 v->not_found = 0;
|
|
58
|
1622
|
|
|
1623 if (r->headers_in.x_forwarded_for == NULL) {
|
|
122
|
1624 v->len = r->connection->addr_text.len;
|
|
|
1625 v->data = r->connection->addr_text.data;
|
|
|
1626 return NGX_OK;
|
|
58
|
1627 }
|
|
|
1628
|
|
122
|
1629 v->len = r->headers_in.x_forwarded_for->value.len
|
|
|
1630 + sizeof(", ") - 1 + r->connection->addr_text.len;
|
|
58
|
1631
|
|
382
|
1632 p = ngx_pnalloc(r->pool, v->len);
|
|
58
|
1633 if (p == NULL) {
|
|
122
|
1634 return NGX_ERROR;
|
|
58
|
1635 }
|
|
|
1636
|
|
122
|
1637 v->data = p;
|
|
58
|
1638
|
|
122
|
1639 p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data,
|
|
|
1640 r->headers_in.x_forwarded_for->value.len);
|
|
58
|
1641
|
|
|
1642 *p++ = ','; *p++ = ' ';
|
|
|
1643
|
|
|
1644 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len);
|
|
|
1645
|
|
122
|
1646 return NGX_OK;
|
|
58
|
1647 }
|
|
|
1648
|
|
|
1649
|
|
|
1650 static ngx_int_t
|
|
126
|
1651 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
|
|
|
1652 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1653 {
|
|
348
|
1654 ngx_http_proxy_ctx_t *ctx;
|
|
|
1655
|
|
|
1656 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1657
|
|
|
1658 if (ctx == NULL) {
|
|
126
|
1659 v->not_found = 1;
|
|
|
1660 return NGX_OK;
|
|
|
1661 }
|
|
|
1662
|
|
|
1663 v->valid = 1;
|
|
340
|
1664 v->no_cacheable = 0;
|
|
126
|
1665 v->not_found = 0;
|
|
|
1666
|
|
382
|
1667 v->data = ngx_pnalloc(r->connection->pool, NGX_SIZE_T_LEN);
|
|
126
|
1668
|
|
|
1669 if (v->data == NULL) {
|
|
|
1670 return NGX_ERROR;
|
|
|
1671 }
|
|
|
1672
|
|
348
|
1673 v->len = ngx_sprintf(v->data, "%uz", ctx->internal_body_length) - v->data;
|
|
126
|
1674
|
|
|
1675 return NGX_OK;
|
|
|
1676 }
|
|
|
1677
|
|
|
1678
|
|
|
1679 static ngx_int_t
|
|
58
|
1680 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1681 size_t prefix)
|
|
|
1682 {
|
|
|
1683 ngx_int_t rc;
|
|
|
1684 ngx_uint_t i;
|
|
|
1685 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1686 ngx_http_proxy_redirect_t *pr;
|
|
|
1687
|
|
|
1688 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1689
|
|
|
1690 pr = plcf->redirects->elts;
|
|
|
1691
|
|
|
1692 if (pr == NULL) {
|
|
|
1693 return NGX_DECLINED;
|
|
|
1694 }
|
|
|
1695
|
|
|
1696 for (i = 0; i < plcf->redirects->nelts; i++) {
|
|
154
|
1697 rc = pr[i].handler(r, h, prefix, &pr[i]);
|
|
58
|
1698
|
|
|
1699 if (rc != NGX_DECLINED) {
|
|
|
1700 return rc;
|
|
|
1701 }
|
|
|
1702 }
|
|
|
1703
|
|
|
1704 return NGX_DECLINED;
|
|
|
1705 }
|
|
|
1706
|
|
|
1707
|
|
|
1708 static ngx_int_t
|
|
|
1709 ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1710 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1711 {
|
|
|
1712 size_t len;
|
|
|
1713 u_char *data, *p;
|
|
|
1714
|
|
|
1715 if (pr->redirect.len > h->value.len - prefix
|
|
|
1716 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1717 pr->redirect.len) != 0)
|
|
|
1718 {
|
|
|
1719 return NGX_DECLINED;
|
|
|
1720 }
|
|
|
1721
|
|
|
1722 len = prefix + pr->replacement.text.len + h->value.len - pr->redirect.len;
|
|
|
1723
|
|
382
|
1724 data = ngx_pnalloc(r->pool, len);
|
|
58
|
1725 if (data == NULL) {
|
|
|
1726 return NGX_ERROR;
|
|
|
1727 }
|
|
|
1728
|
|
|
1729 p = data;
|
|
|
1730
|
|
122
|
1731 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1732
|
|
202
|
1733 if (pr->replacement.text.len) {
|
|
|
1734 p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len);
|
|
|
1735 }
|
|
58
|
1736
|
|
|
1737 ngx_memcpy(p, h->value.data + prefix + pr->redirect.len,
|
|
|
1738 h->value.len - pr->redirect.len - prefix);
|
|
|
1739
|
|
|
1740 h->value.len = len;
|
|
|
1741 h->value.data = data;
|
|
|
1742
|
|
|
1743 return NGX_OK;
|
|
|
1744 }
|
|
|
1745
|
|
|
1746
|
|
|
1747 static ngx_int_t
|
|
|
1748 ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1749 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1750 {
|
|
|
1751 size_t len;
|
|
|
1752 u_char *data, *p;
|
|
|
1753 ngx_http_script_code_pt code;
|
|
|
1754 ngx_http_script_engine_t e;
|
|
|
1755 ngx_http_script_len_code_pt lcode;
|
|
|
1756
|
|
|
1757 if (pr->redirect.len > h->value.len - prefix
|
|
|
1758 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1759 pr->redirect.len) != 0)
|
|
|
1760 {
|
|
|
1761 return NGX_DECLINED;
|
|
|
1762 }
|
|
|
1763
|
|
|
1764 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
1765
|
|
|
1766 e.ip = pr->replacement.vars.lengths;
|
|
|
1767 e.request = r;
|
|
|
1768
|
|
238
|
1769 len = prefix + h->value.len - pr->redirect.len;
|
|
|
1770
|
|
|
1771 while (*(uintptr_t *) e.ip) {
|
|
58
|
1772 lcode = *(ngx_http_script_len_code_pt *) e.ip;
|
|
238
|
1773 len += lcode(&e);
|
|
58
|
1774 }
|
|
|
1775
|
|
382
|
1776 data = ngx_pnalloc(r->pool, len);
|
|
58
|
1777 if (data == NULL) {
|
|
|
1778 return NGX_ERROR;
|
|
|
1779 }
|
|
|
1780
|
|
|
1781 p = data;
|
|
|
1782
|
|
122
|
1783 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1784
|
|
|
1785 e.ip = pr->replacement.vars.values;
|
|
|
1786 e.pos = p;
|
|
|
1787
|
|
|
1788 while (*(uintptr_t *) e.ip) {
|
|
|
1789 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1790 code(&e);
|
|
|
1791 }
|
|
|
1792
|
|
238
|
1793 ngx_memcpy(e.pos, h->value.data + prefix + pr->redirect.len,
|
|
|
1794 h->value.len - pr->redirect.len - prefix);
|
|
|
1795
|
|
58
|
1796 h->value.len = len;
|
|
|
1797 h->value.data = data;
|
|
|
1798
|
|
|
1799 return NGX_OK;
|
|
|
1800 }
|
|
|
1801
|
|
|
1802
|
|
|
1803 static ngx_int_t
|
|
|
1804 ngx_http_proxy_add_variables(ngx_conf_t *cf)
|
|
|
1805 {
|
|
|
1806 ngx_http_variable_t *var, *v;
|
|
|
1807
|
|
|
1808 for (v = ngx_http_proxy_vars; v->name.len; v++) {
|
|
|
1809 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
1810 if (var == NULL) {
|
|
|
1811 return NGX_ERROR;
|
|
|
1812 }
|
|
|
1813
|
|
186
|
1814 var->get_handler = v->get_handler;
|
|
58
|
1815 var->data = v->data;
|
|
|
1816 }
|
|
|
1817
|
|
|
1818 return NGX_OK;
|
|
|
1819 }
|
|
|
1820
|
|
|
1821
|
|
|
1822 static void *
|
|
|
1823 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
|
|
|
1824 {
|
|
|
1825 ngx_http_proxy_loc_conf_t *conf;
|
|
|
1826
|
|
|
1827 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t));
|
|
|
1828 if (conf == NULL) {
|
|
|
1829 return NGX_CONF_ERROR;
|
|
|
1830 }
|
|
|
1831
|
|
|
1832 /*
|
|
|
1833 * set by ngx_pcalloc():
|
|
|
1834 *
|
|
|
1835 * conf->upstream.bufs.num = 0;
|
|
|
1836 * conf->upstream.next_upstream = 0;
|
|
464
|
1837 * conf->upstream.use_stale_cache = 0;
|
|
58
|
1838 * conf->upstream.temp_path = NULL;
|
|
198
|
1839 * conf->upstream.hide_headers_hash = { NULL, 0 };
|
|
58
|
1840 * conf->upstream.uri = { 0, NULL };
|
|
|
1841 * conf->upstream.location = NULL;
|
|
320
|
1842 * conf->upstream.store_lengths = NULL;
|
|
|
1843 * conf->upstream.store_values = NULL;
|
|
58
|
1844 *
|
|
110
|
1845 * conf->method = NULL;
|
|
58
|
1846 * conf->headers_source = NULL;
|
|
|
1847 * conf->headers_set_len = NULL;
|
|
|
1848 * conf->headers_set = NULL;
|
|
|
1849 * conf->headers_set_hash = NULL;
|
|
126
|
1850 * conf->body_set_len = NULL;
|
|
|
1851 * conf->body_set = NULL;
|
|
|
1852 * conf->body_source = { 0, NULL };
|
|
58
|
1853 * conf->rewrite_locations = NULL;
|
|
|
1854 */
|
|
126
|
1855
|
|
320
|
1856 conf->upstream.store = NGX_CONF_UNSET;
|
|
|
1857 conf->upstream.store_access = NGX_CONF_UNSET_UINT;
|
|
130
|
1858 conf->upstream.buffering = NGX_CONF_UNSET;
|
|
178
|
1859 conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
|
|
130
|
1860
|
|
58
|
1861 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1862 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1863 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1864
|
|
|
1865 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
130
|
1866 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
78
|
1867
|
|
|
1868 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
126
|
1869 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
78
|
1870 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
58
|
1871
|
|
|
1872 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
|
1873 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
110
|
1874
|
|
464
|
1875 #if (NGX_HTTP_CACHE)
|
|
|
1876 conf->upstream.cache = NGX_CONF_UNSET_PTR;
|
|
|
1877 conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT;
|
|
|
1878 conf->upstream.cache_valid = NGX_CONF_UNSET_PTR;
|
|
|
1879 #endif
|
|
|
1880
|
|
356
|
1881 conf->upstream.hide_headers = NGX_CONF_UNSET_PTR;
|
|
|
1882 conf->upstream.pass_headers = NGX_CONF_UNSET_PTR;
|
|
|
1883
|
|
206
|
1884 conf->upstream.intercept_errors = NGX_CONF_UNSET;
|
|
398
|
1885 #if (NGX_HTTP_SSL)
|
|
|
1886 conf->upstream.ssl_session_reuse = NGX_CONF_UNSET;
|
|
|
1887 #endif
|
|
58
|
1888
|
|
|
1889 /* "proxy_cyclic_temp_file" is disabled */
|
|
|
1890 conf->upstream.cyclic_temp_file = 0;
|
|
|
1891
|
|
|
1892 conf->redirect = NGX_CONF_UNSET;
|
|
198
|
1893 conf->upstream.change_buffering = 1;
|
|
58
|
1894
|
|
298
|
1895 conf->headers_hash_max_size = NGX_CONF_UNSET_UINT;
|
|
|
1896 conf->headers_hash_bucket_size = NGX_CONF_UNSET_UINT;
|
|
|
1897
|
|
58
|
1898 return conf;
|
|
|
1899 }
|
|
|
1900
|
|
|
1901
|
|
|
1902 static char *
|
|
|
1903 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1904 {
|
|
|
1905 ngx_http_proxy_loc_conf_t *prev = parent;
|
|
|
1906 ngx_http_proxy_loc_conf_t *conf = child;
|
|
|
1907
|
|
464
|
1908 size_t size;
|
|
|
1909 ngx_keyval_t *s;
|
|
|
1910 ngx_hash_init_t hash;
|
|
|
1911 ngx_http_proxy_redirect_t *pr;
|
|
|
1912 ngx_http_script_compile_t sc;
|
|
58
|
1913
|
|
320
|
1914 if (conf->upstream.store != 0) {
|
|
|
1915 ngx_conf_merge_value(conf->upstream.store,
|
|
|
1916 prev->upstream.store, 0);
|
|
|
1917
|
|
|
1918 if (conf->upstream.store_lengths == NULL) {
|
|
|
1919 conf->upstream.store_lengths = prev->upstream.store_lengths;
|
|
|
1920 conf->upstream.store_values = prev->upstream.store_values;
|
|
|
1921 }
|
|
|
1922 }
|
|
|
1923
|
|
|
1924 ngx_conf_merge_uint_value(conf->upstream.store_access,
|
|
|
1925 prev->upstream.store_access, 0600);
|
|
318
|
1926
|
|
130
|
1927 ngx_conf_merge_value(conf->upstream.buffering,
|
|
|
1928 prev->upstream.buffering, 1);
|
|
|
1929
|
|
178
|
1930 ngx_conf_merge_value(conf->upstream.ignore_client_abort,
|
|
|
1931 prev->upstream.ignore_client_abort, 0);
|
|
|
1932
|
|
58
|
1933 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
1934 prev->upstream.connect_timeout, 60000);
|
|
|
1935
|
|
|
1936 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
1937 prev->upstream.send_timeout, 60000);
|
|
|
1938
|
|
|
1939 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
1940 prev->upstream.read_timeout, 60000);
|
|
|
1941
|
|
|
1942 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
|
1943 prev->upstream.send_lowat, 0);
|
|
|
1944
|
|
130
|
1945 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
|
1946 prev->upstream.buffer_size,
|
|
58
|
1947 (size_t) ngx_pagesize);
|
|
|
1948
|
|
|
1949 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
|
1950 8, ngx_pagesize);
|
|
|
1951
|
|
|
1952 if (conf->upstream.bufs.num < 2) {
|
|
126
|
1953 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
58
|
1954 "there must be at least 2 \"proxy_buffers\"");
|
|
|
1955 return NGX_CONF_ERROR;
|
|
|
1956 }
|
|
126
|
1957
|
|
58
|
1958
|
|
130
|
1959 size = conf->upstream.buffer_size;
|
|
126
|
1960 if (size < conf->upstream.bufs.size) {
|
|
58
|
1961 size = conf->upstream.bufs.size;
|
|
|
1962 }
|
|
|
1963
|
|
|
1964
|
|
78
|
1965 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
|
1966 prev->upstream.busy_buffers_size_conf,
|
|
58
|
1967 NGX_CONF_UNSET_SIZE);
|
|
|
1968
|
|
78
|
1969 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1970 conf->upstream.busy_buffers_size = 2 * size;
|
|
78
|
1971 } else {
|
|
|
1972 conf->upstream.busy_buffers_size =
|
|
|
1973 conf->upstream.busy_buffers_size_conf;
|
|
|
1974 }
|
|
126
|
1975
|
|
78
|
1976 if (conf->upstream.busy_buffers_size < size) {
|
|
58
|
1977 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1978 "\"proxy_busy_buffers_size\" must be equal or bigger than "
|
|
288
|
1979 "maximum of the value of \"proxy_buffer_size\" and "
|
|
58
|
1980 "one of the \"proxy_buffers\"");
|
|
|
1981
|
|
|
1982 return NGX_CONF_ERROR;
|
|
78
|
1983 }
|
|
58
|
1984
|
|
78
|
1985 if (conf->upstream.busy_buffers_size
|
|
|
1986 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
58
|
1987 {
|
|
|
1988 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1989 "\"proxy_busy_buffers_size\" must be less than "
|
|
|
1990 "the size of all \"proxy_buffers\" minus one buffer");
|
|
|
1991
|
|
|
1992 return NGX_CONF_ERROR;
|
|
|
1993 }
|
|
78
|
1994
|
|
58
|
1995
|
|
78
|
1996 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
|
1997 prev->upstream.temp_file_write_size_conf,
|
|
58
|
1998 NGX_CONF_UNSET_SIZE);
|
|
|
1999
|
|
78
|
2000 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
2001 conf->upstream.temp_file_write_size = 2 * size;
|
|
78
|
2002 } else {
|
|
|
2003 conf->upstream.temp_file_write_size =
|
|
|
2004 conf->upstream.temp_file_write_size_conf;
|
|
|
2005 }
|
|
126
|
2006
|
|
78
|
2007 if (conf->upstream.temp_file_write_size < size) {
|
|
58
|
2008 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2009 "\"proxy_temp_file_write_size\" must be equal or bigger than "
|
|
288
|
2010 "maximum of the value of \"proxy_buffer_size\" and "
|
|
58
|
2011 "one of the \"proxy_buffers\"");
|
|
|
2012
|
|
|
2013 return NGX_CONF_ERROR;
|
|
|
2014 }
|
|
|
2015
|
|
78
|
2016 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
|
2017 prev->upstream.max_temp_file_size_conf,
|
|
58
|
2018 NGX_CONF_UNSET_SIZE);
|
|
|
2019
|
|
78
|
2020 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
2021 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
78
|
2022 } else {
|
|
|
2023 conf->upstream.max_temp_file_size =
|
|
|
2024 conf->upstream.max_temp_file_size_conf;
|
|
|
2025 }
|
|
58
|
2026
|
|
78
|
2027 if (conf->upstream.max_temp_file_size != 0
|
|
|
2028 && conf->upstream.max_temp_file_size < size)
|
|
58
|
2029 {
|
|
|
2030 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
110
|
2031 "\"proxy_max_temp_file_size\" must be equal to zero to disable "
|
|
58
|
2032 "the temporary files usage or must be equal or bigger than "
|
|
288
|
2033 "maximum of the value of \"proxy_buffer_size\" and "
|
|
110
|
2034 "one of the \"proxy_buffers\"");
|
|
58
|
2035
|
|
|
2036 return NGX_CONF_ERROR;
|
|
|
2037 }
|
|
|
2038
|
|
78
|
2039
|
|
58
|
2040 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
2041 prev->upstream.next_upstream,
|
|
|
2042 (NGX_CONF_BITMASK_SET
|
|
|
2043 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
2044 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
2045
|
|
214
|
2046 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
2047 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
|
|
|
2048 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
2049 }
|
|
|
2050
|
|
464
|
2051 if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path,
|
|
58
|
2052 prev->upstream.temp_path,
|
|
464
|
2053 &ngx_http_proxy_temp_path)
|
|
|
2054 != NGX_OK)
|
|
|
2055 {
|
|
|
2056 return NGX_CONF_ERROR;
|
|
|
2057 }
|
|
|
2058
|
|
|
2059
|
|
|
2060 #if (NGX_HTTP_CACHE)
|
|
|
2061
|
|
|
2062 ngx_conf_merge_ptr_value(conf->upstream.cache,
|
|
|
2063 prev->upstream.cache, NULL);
|
|
|
2064
|
|
|
2065 if (conf->upstream.cache && conf->upstream.cache->data == NULL) {
|
|
|
2066 ngx_shm_zone_t *shm_zone;
|
|
|
2067
|
|
|
2068 shm_zone = conf->upstream.cache;
|
|
|
2069
|
|
|
2070 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2071 "\"proxy_cache\" zone \"%V\" is unknown",
|
|
|
2072 &shm_zone->name);
|
|
|
2073
|
|
|
2074 return NGX_CONF_ERROR;
|
|
|
2075 }
|
|
|
2076
|
|
|
2077 ngx_conf_merge_uint_value(conf->upstream.cache_min_uses,
|
|
|
2078 prev->upstream.cache_min_uses, 1);
|
|
|
2079
|
|
|
2080 ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale,
|
|
|
2081 prev->upstream.cache_use_stale,
|
|
|
2082 (NGX_CONF_BITMASK_SET
|
|
|
2083 |NGX_HTTP_UPSTREAM_FT_OFF));
|
|
|
2084
|
|
|
2085 if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
2086 conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET
|
|
|
2087 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
2088 }
|
|
|
2089
|
|
|
2090 ngx_conf_merge_ptr_value(conf->upstream.cache_valid,
|
|
|
2091 prev->upstream.cache_valid, NULL);
|
|
|
2092
|
|
472
|
2093 if (conf->cache_key.value.data == NULL) {
|
|
|
2094 conf->cache_key = prev->cache_key;
|
|
|
2095 }
|
|
|
2096
|
|
464
|
2097 #endif
|
|
58
|
2098
|
|
110
|
2099 if (conf->method.len == 0) {
|
|
|
2100 conf->method = prev->method;
|
|
|
2101
|
|
|
2102 } else {
|
|
|
2103 conf->method.data[conf->method.len] = ' ';
|
|
|
2104 conf->method.len++;
|
|
58
|
2105 }
|
|
|
2106
|
|
|
2107 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
|
2108 prev->upstream.pass_request_headers, 1);
|
|
|
2109 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
|
2110 prev->upstream.pass_request_body, 1);
|
|
|
2111
|
|
206
|
2112 ngx_conf_merge_value(conf->upstream.intercept_errors,
|
|
|
2113 prev->upstream.intercept_errors, 0);
|
|
58
|
2114
|
|
398
|
2115 #if (NGX_HTTP_SSL)
|
|
|
2116 ngx_conf_merge_value(conf->upstream.ssl_session_reuse,
|
|
|
2117 prev->upstream.ssl_session_reuse, 1);
|
|
|
2118 #endif
|
|
|
2119
|
|
58
|
2120 ngx_conf_merge_value(conf->redirect, prev->redirect, 1);
|
|
|
2121
|
|
|
2122 if (conf->redirect) {
|
|
|
2123
|
|
|
2124 if (conf->redirects == NULL) {
|
|
|
2125 conf->redirects = prev->redirects;
|
|
|
2126 }
|
|
|
2127
|
|
348
|
2128 if (conf->redirects == NULL && conf->url.data) {
|
|
58
|
2129
|
|
|
2130 conf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
2131 sizeof(ngx_http_proxy_redirect_t));
|
|
|
2132 if (conf->redirects == NULL) {
|
|
|
2133 return NGX_CONF_ERROR;
|
|
|
2134 }
|
|
|
2135
|
|
|
2136 pr = ngx_array_push(conf->redirects);
|
|
|
2137 if (pr == NULL) {
|
|
|
2138 return NGX_CONF_ERROR;
|
|
|
2139 }
|
|
|
2140
|
|
|
2141 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
348
|
2142 pr->redirect = conf->url;
|
|
|
2143
|
|
|
2144 if (conf->vars.uri.len) {
|
|
|
2145 pr->replacement.text = conf->location;
|
|
202
|
2146
|
|
|
2147 } else {
|
|
|
2148 pr->replacement.text.len = 0;
|
|
|
2149 pr->replacement.text.data = NULL;
|
|
|
2150 }
|
|
58
|
2151 }
|
|
|
2152 }
|
|
|
2153
|
|
348
|
2154 /* STUB */
|
|
|
2155 if (prev->proxy_lengths) {
|
|
|
2156 conf->proxy_lengths = prev->proxy_lengths;
|
|
|
2157 conf->proxy_values = prev->proxy_values;
|
|
|
2158 }
|
|
|
2159
|
|
298
|
2160 ngx_conf_merge_uint_value(conf->headers_hash_max_size,
|
|
|
2161 prev->headers_hash_max_size, 512);
|
|
|
2162
|
|
|
2163 ngx_conf_merge_uint_value(conf->headers_hash_bucket_size,
|
|
|
2164 prev->headers_hash_bucket_size, 64);
|
|
|
2165
|
|
|
2166 conf->headers_hash_bucket_size = ngx_align(conf->headers_hash_bucket_size,
|
|
|
2167 ngx_cacheline_size);
|
|
|
2168
|
|
356
|
2169 hash.max_size = conf->headers_hash_max_size;
|
|
|
2170 hash.bucket_size = conf->headers_hash_bucket_size;
|
|
|
2171 hash.name = "proxy_headers_hash";
|
|
|
2172
|
|
|
2173 if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream,
|
|
|
2174 &prev->upstream,
|
|
|
2175 ngx_http_proxy_hide_headers, &hash)
|
|
198
|
2176 != NGX_OK)
|
|
|
2177 {
|
|
|
2178 return NGX_CONF_ERROR;
|
|
|
2179 }
|
|
|
2180
|
|
260
|
2181 if (conf->upstream.upstream == NULL) {
|
|
|
2182 conf->upstream.upstream = prev->upstream.upstream;
|
|
348
|
2183 conf->vars = prev->vars;
|
|
58
|
2184 }
|
|
|
2185
|
|
126
|
2186
|
|
|
2187 if (conf->body_source.data == NULL) {
|
|
|
2188 conf->body_source = prev->body_source;
|
|
|
2189 conf->body_set_len = prev->body_set_len;
|
|
|
2190 conf->body_set = prev->body_set;
|
|
|
2191 }
|
|
|
2192
|
|
128
|
2193 if (conf->body_source.data && conf->body_set_len == NULL) {
|
|
126
|
2194
|
|
|
2195 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2196
|
|
|
2197 sc.cf = cf;
|
|
|
2198 sc.source = &conf->body_source;
|
|
|
2199 sc.flushes = &conf->flushes;
|
|
|
2200 sc.lengths = &conf->body_set_len;
|
|
|
2201 sc.values = &conf->body_set;
|
|
|
2202 sc.complete_lengths = 1;
|
|
|
2203 sc.complete_values = 1;
|
|
|
2204
|
|
|
2205 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2206 return NGX_CONF_ERROR;
|
|
|
2207 }
|
|
|
2208
|
|
|
2209 if (conf->headers_source == NULL) {
|
|
|
2210 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
2211 sizeof(ngx_keyval_t));
|
|
126
|
2212 if (conf->headers_source == NULL) {
|
|
|
2213 return NGX_CONF_ERROR;
|
|
|
2214 }
|
|
|
2215 }
|
|
|
2216
|
|
|
2217 s = ngx_array_push(conf->headers_source);
|
|
|
2218 if (s == NULL) {
|
|
|
2219 return NGX_CONF_ERROR;
|
|
|
2220 }
|
|
|
2221
|
|
|
2222 s->key.len = sizeof("Content-Length") - 1;
|
|
|
2223 s->key.data = (u_char *) "Content-Length";
|
|
|
2224 s->value.len = sizeof("$proxy_internal_body_length") - 1;
|
|
|
2225 s->value.data = (u_char *) "$proxy_internal_body_length";
|
|
|
2226 }
|
|
|
2227
|
|
464
|
2228 if (ngx_http_proxy_merge_headers(cf, conf, prev) != NGX_OK) {
|
|
|
2229 return NGX_CONF_ERROR;
|
|
|
2230 }
|
|
|
2231
|
|
|
2232 return NGX_CONF_OK;
|
|
|
2233 }
|
|
|
2234
|
|
|
2235
|
|
|
2236 static ngx_int_t
|
|
|
2237 ngx_http_proxy_merge_headers(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *conf,
|
|
|
2238 ngx_http_proxy_loc_conf_t *prev)
|
|
|
2239 {
|
|
|
2240 u_char *p;
|
|
|
2241 size_t size;
|
|
|
2242 uintptr_t *code;
|
|
|
2243 ngx_uint_t i;
|
|
|
2244 ngx_keyval_t *src, *s, *h;
|
|
|
2245 ngx_hash_key_t *hk;
|
|
|
2246 ngx_hash_init_t hash;
|
|
|
2247 ngx_http_script_compile_t sc;
|
|
|
2248 ngx_http_script_copy_code_t *copy;
|
|
126
|
2249
|
|
58
|
2250 if (conf->headers_source == NULL) {
|
|
122
|
2251 conf->flushes = prev->flushes;
|
|
58
|
2252 conf->headers_set_len = prev->headers_set_len;
|
|
|
2253 conf->headers_set = prev->headers_set;
|
|
|
2254 conf->headers_set_hash = prev->headers_set_hash;
|
|
122
|
2255 conf->headers_source = prev->headers_source;
|
|
58
|
2256 }
|
|
|
2257
|
|
198
|
2258 if (conf->headers_set_hash.buckets) {
|
|
464
|
2259 return NGX_OK;
|
|
58
|
2260 }
|
|
|
2261
|
|
|
2262
|
|
198
|
2263 conf->headers_names = ngx_array_create(cf->pool, 4, sizeof(ngx_hash_key_t));
|
|
58
|
2264 if (conf->headers_names == NULL) {
|
|
464
|
2265 return NGX_ERROR;
|
|
58
|
2266 }
|
|
|
2267
|
|
|
2268 if (conf->headers_source == NULL) {
|
|
|
2269 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
2270 sizeof(ngx_keyval_t));
|
|
58
|
2271 if (conf->headers_source == NULL) {
|
|
464
|
2272 return NGX_ERROR;
|
|
58
|
2273 }
|
|
|
2274 }
|
|
|
2275
|
|
|
2276 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1);
|
|
|
2277 if (conf->headers_set_len == NULL) {
|
|
464
|
2278 return NGX_ERROR;
|
|
58
|
2279 }
|
|
|
2280
|
|
|
2281 conf->headers_set = ngx_array_create(cf->pool, 512, 1);
|
|
|
2282 if (conf->headers_set == NULL) {
|
|
464
|
2283 return NGX_ERROR;
|
|
58
|
2284 }
|
|
|
2285
|
|
|
2286
|
|
|
2287 src = conf->headers_source->elts;
|
|
|
2288
|
|
|
2289 for (h = ngx_http_proxy_headers; h->key.len; h++) {
|
|
|
2290
|
|
|
2291 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
2292 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
|
2293 goto next;
|
|
|
2294 }
|
|
|
2295 }
|
|
|
2296
|
|
|
2297 s = ngx_array_push(conf->headers_source);
|
|
|
2298 if (s == NULL) {
|
|
464
|
2299 return NGX_ERROR;
|
|
58
|
2300 }
|
|
|
2301
|
|
|
2302 *s = *h;
|
|
|
2303
|
|
66
|
2304 src = conf->headers_source->elts;
|
|
|
2305
|
|
58
|
2306 next:
|
|
|
2307
|
|
|
2308 continue;
|
|
|
2309 }
|
|
|
2310
|
|
126
|
2311
|
|
|
2312 src = conf->headers_source->elts;
|
|
58
|
2313 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
2314
|
|
198
|
2315 hk = ngx_array_push(conf->headers_names);
|
|
|
2316 if (hk == NULL) {
|
|
464
|
2317 return NGX_ERROR;
|
|
58
|
2318 }
|
|
|
2319
|
|
198
|
2320 hk->key = src[i].key;
|
|
|
2321 hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len);
|
|
|
2322 hk->value = (void *) 1;
|
|
58
|
2323
|
|
68
|
2324 if (src[i].value.len == 0) {
|
|
|
2325 continue;
|
|
|
2326 }
|
|
|
2327
|
|
58
|
2328 if (ngx_http_script_variables_count(&src[i].value) == 0) {
|
|
|
2329 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2330 sizeof(ngx_http_script_copy_code_t));
|
|
|
2331 if (copy == NULL) {
|
|
464
|
2332 return NGX_ERROR;
|
|
58
|
2333 }
|
|
|
2334
|
|
|
2335 copy->code = (ngx_http_script_code_pt)
|
|
|
2336 ngx_http_script_copy_len_code;
|
|
|
2337 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
2338 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
2339
|
|
|
2340
|
|
|
2341 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2342 + src[i].key.len + sizeof(": ") - 1
|
|
|
2343 + src[i].value.len + sizeof(CRLF) - 1
|
|
|
2344 + sizeof(uintptr_t) - 1)
|
|
|
2345 & ~(sizeof(uintptr_t) - 1);
|
|
|
2346
|
|
|
2347 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2348 if (copy == NULL) {
|
|
464
|
2349 return NGX_ERROR;
|
|
58
|
2350 }
|
|
|
2351
|
|
|
2352 copy->code = ngx_http_script_copy_code;
|
|
|
2353 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
2354 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
2355
|
|
|
2356 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2357
|
|
|
2358 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
2359 *p++ = ':'; *p++ = ' ';
|
|
|
2360 p = ngx_cpymem(p, src[i].value.data, src[i].value.len);
|
|
|
2361 *p++ = CR; *p = LF;
|
|
|
2362
|
|
|
2363 } else {
|
|
|
2364 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2365 sizeof(ngx_http_script_copy_code_t));
|
|
|
2366 if (copy == NULL) {
|
|
464
|
2367 return NGX_ERROR;
|
|
58
|
2368 }
|
|
|
2369
|
|
|
2370 copy->code = (ngx_http_script_code_pt)
|
|
|
2371 ngx_http_script_copy_len_code;
|
|
|
2372 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
2373
|
|
|
2374
|
|
|
2375 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2376 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1)
|
|
|
2377 & ~(sizeof(uintptr_t) - 1);
|
|
|
2378
|
|
|
2379 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2380 if (copy == NULL) {
|
|
464
|
2381 return NGX_ERROR;
|
|
58
|
2382 }
|
|
|
2383
|
|
|
2384 copy->code = ngx_http_script_copy_code;
|
|
|
2385 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
2386
|
|
|
2387 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2388 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
2389 *p++ = ':'; *p = ' ';
|
|
|
2390
|
|
|
2391
|
|
|
2392 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2393
|
|
|
2394 sc.cf = cf;
|
|
|
2395 sc.source = &src[i].value;
|
|
122
|
2396 sc.flushes = &conf->flushes;
|
|
58
|
2397 sc.lengths = &conf->headers_set_len;
|
|
|
2398 sc.values = &conf->headers_set;
|
|
|
2399
|
|
|
2400 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
464
|
2401 return NGX_ERROR;
|
|
58
|
2402 }
|
|
|
2403
|
|
|
2404
|
|
|
2405 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2406 sizeof(ngx_http_script_copy_code_t));
|
|
|
2407 if (copy == NULL) {
|
|
464
|
2408 return NGX_ERROR;
|
|
58
|
2409 }
|
|
|
2410
|
|
|
2411 copy->code = (ngx_http_script_code_pt)
|
|
|
2412 ngx_http_script_copy_len_code;
|
|
|
2413 copy->len = sizeof(CRLF) - 1;
|
|
|
2414
|
|
|
2415
|
|
|
2416 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2417 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1)
|
|
|
2418 & ~(sizeof(uintptr_t) - 1);
|
|
|
2419
|
|
|
2420 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2421 if (copy == NULL) {
|
|
464
|
2422 return NGX_ERROR;
|
|
58
|
2423 }
|
|
|
2424
|
|
|
2425 copy->code = ngx_http_script_copy_code;
|
|
|
2426 copy->len = sizeof(CRLF) - 1;
|
|
|
2427
|
|
|
2428 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2429 *p++ = CR; *p = LF;
|
|
|
2430 }
|
|
|
2431
|
|
|
2432 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2433 if (code == NULL) {
|
|
464
|
2434 return NGX_ERROR;
|
|
58
|
2435 }
|
|
|
2436
|
|
|
2437 *code = (uintptr_t) NULL;
|
|
|
2438
|
|
|
2439 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t));
|
|
|
2440 if (code == NULL) {
|
|
464
|
2441 return NGX_ERROR;
|
|
58
|
2442 }
|
|
|
2443
|
|
|
2444 *code = (uintptr_t) NULL;
|
|
|
2445 }
|
|
|
2446
|
|
|
2447 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2448 if (code == NULL) {
|
|
464
|
2449 return NGX_ERROR;
|
|
58
|
2450 }
|
|
|
2451
|
|
|
2452 *code = (uintptr_t) NULL;
|
|
|
2453
|
|
|
2454
|
|
198
|
2455 hash.hash = &conf->headers_set_hash;
|
|
|
2456 hash.key = ngx_hash_key_lc;
|
|
298
|
2457 hash.max_size = conf->headers_hash_max_size;
|
|
|
2458 hash.bucket_size = conf->headers_hash_bucket_size;
|
|
|
2459 hash.name = "proxy_headers_hash";
|
|
198
|
2460 hash.pool = cf->pool;
|
|
|
2461 hash.temp_pool = NULL;
|
|
|
2462
|
|
|
2463 if (ngx_hash_init(&hash, conf->headers_names->elts,
|
|
|
2464 conf->headers_names->nelts)
|
|
|
2465 != NGX_OK)
|
|
|
2466 {
|
|
464
|
2467 return NGX_ERROR;
|
|
198
|
2468 }
|
|
|
2469
|
|
464
|
2470 return NGX_OK;
|
|
58
|
2471 }
|
|
|
2472
|
|
|
2473
|
|
|
2474 static char *
|
|
|
2475 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2476 {
|
|
|
2477 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2478
|
|
348
|
2479 size_t add;
|
|
|
2480 u_short port;
|
|
|
2481 ngx_str_t *value, *url;
|
|
|
2482 ngx_url_t u;
|
|
|
2483 ngx_uint_t n;
|
|
|
2484 ngx_http_core_loc_conf_t *clcf;
|
|
|
2485 ngx_http_script_compile_t sc;
|
|
58
|
2486
|
|
430
|
2487 if (plcf->upstream.upstream || plcf->proxy_lengths) {
|
|
104
|
2488 return "is duplicate";
|
|
|
2489 }
|
|
|
2490
|
|
348
|
2491 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
2492
|
|
58
|
2493 value = cf->args->elts;
|
|
|
2494
|
|
|
2495 url = &value[1];
|
|
|
2496
|
|
348
|
2497 n = ngx_http_script_variables_count(url);
|
|
|
2498
|
|
|
2499 if (n) {
|
|
|
2500
|
|
|
2501 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2502
|
|
|
2503 sc.cf = cf;
|
|
|
2504 sc.source = url;
|
|
|
2505 sc.lengths = &plcf->proxy_lengths;
|
|
|
2506 sc.values = &plcf->proxy_values;
|
|
|
2507 sc.variables = n;
|
|
|
2508 sc.complete_lengths = 1;
|
|
|
2509 sc.complete_values = 1;
|
|
354
|
2510
|
|
348
|
2511 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2512 return NGX_CONF_ERROR;
|
|
|
2513 }
|
|
|
2514
|
|
|
2515 #if (NGX_HTTP_SSL)
|
|
|
2516 if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) {
|
|
|
2517 return NGX_CONF_ERROR;
|
|
|
2518 }
|
|
|
2519 #endif
|
|
|
2520
|
|
|
2521 clcf->handler = ngx_http_proxy_handler;
|
|
|
2522
|
|
|
2523 return NGX_CONF_OK;
|
|
|
2524 }
|
|
|
2525
|
|
286
|
2526 if (ngx_strncasecmp(url->data, (u_char *) "http://", 7) == 0) {
|
|
126
|
2527 add = 7;
|
|
140
|
2528 port = 80;
|
|
126
|
2529
|
|
286
|
2530 } else if (ngx_strncasecmp(url->data, (u_char *) "https://", 8) == 0) {
|
|
126
|
2531
|
|
|
2532 #if (NGX_HTTP_SSL)
|
|
348
|
2533 if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) {
|
|
|
2534 return NGX_CONF_ERROR;
|
|
|
2535 }
|
|
126
|
2536
|
|
|
2537 add = 8;
|
|
140
|
2538 port = 443;
|
|
126
|
2539 #else
|
|
|
2540 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2541 "https protocol requires SSL support");
|
|
|
2542 return NGX_CONF_ERROR;
|
|
|
2543 #endif
|
|
|
2544
|
|
|
2545 } else {
|
|
58
|
2546 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix");
|
|
|
2547 return NGX_CONF_ERROR;
|
|
|
2548 }
|
|
|
2549
|
|
200
|
2550 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
|
2551
|
|
|
2552 u.url.len = url->len - add;
|
|
|
2553 u.url.data = url->data + add;
|
|
266
|
2554 u.default_port = port;
|
|
|
2555 u.uri_part = 1;
|
|
260
|
2556 u.no_resolve = 1;
|
|
|
2557
|
|
|
2558 plcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
|
|
|
2559 if (plcf->upstream.upstream == NULL) {
|
|
58
|
2560 return NGX_CONF_ERROR;
|
|
|
2561 }
|
|
|
2562
|
|
430
|
2563 plcf->vars.schema.len = add;
|
|
|
2564 plcf->vars.schema.data = url->data;
|
|
464
|
2565 plcf->vars.key_start = plcf->vars.schema;
|
|
|
2566
|
|
|
2567 ngx_http_proxy_set_vars(&u, &plcf->vars);
|
|
58
|
2568
|
|
|
2569 clcf->handler = ngx_http_proxy_handler;
|
|
|
2570
|
|
464
|
2571 plcf->location = clcf->name;
|
|
|
2572
|
|
324
|
2573 if (clcf->named
|
|
58
|
2574 #if (NGX_PCRE)
|
|
324
|
2575 || clcf->regex
|
|
|
2576 #endif
|
|
|
2577 || clcf->noname)
|
|
|
2578 {
|
|
348
|
2579 if (plcf->vars.uri.len) {
|
|
122
|
2580 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2581 "\"proxy_pass\" may not have URI part in "
|
|
256
|
2582 "location given by regular expression, "
|
|
324
|
2583 "or inside named location, "
|
|
256
|
2584 "or inside the \"if\" statement, "
|
|
|
2585 "or inside the \"limit_except\" block");
|
|
122
|
2586 return NGX_CONF_ERROR;
|
|
|
2587 }
|
|
|
2588
|
|
348
|
2589 plcf->location.len = 0;
|
|
104
|
2590 }
|
|
|
2591
|
|
348
|
2592 plcf->url = *url;
|
|
58
|
2593
|
|
|
2594 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
2595 clcf->auto_redirect = 1;
|
|
|
2596 }
|
|
|
2597
|
|
|
2598 return NGX_CONF_OK;
|
|
|
2599 }
|
|
|
2600
|
|
|
2601
|
|
|
2602 static char *
|
|
|
2603 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2604 {
|
|
|
2605 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2606
|
|
|
2607 ngx_str_t *value;
|
|
|
2608 ngx_array_t *vars_lengths, *vars_values;
|
|
|
2609 ngx_http_script_compile_t sc;
|
|
|
2610 ngx_http_proxy_redirect_t *pr;
|
|
|
2611
|
|
|
2612 if (plcf->redirect == 0) {
|
|
|
2613 return NGX_CONF_OK;
|
|
|
2614 }
|
|
|
2615
|
|
|
2616 value = cf->args->elts;
|
|
|
2617
|
|
|
2618 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2619 plcf->redirect = 0;
|
|
|
2620 plcf->redirects = NULL;
|
|
|
2621 return NGX_CONF_OK;
|
|
|
2622 }
|
|
|
2623
|
|
|
2624 if (plcf->redirects == NULL) {
|
|
|
2625 plcf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
2626 sizeof(ngx_http_proxy_redirect_t));
|
|
|
2627 if (plcf->redirects == NULL) {
|
|
|
2628 return NGX_CONF_ERROR;
|
|
|
2629 }
|
|
|
2630 }
|
|
|
2631
|
|
|
2632 pr = ngx_array_push(plcf->redirects);
|
|
|
2633 if (pr == NULL) {
|
|
|
2634 return NGX_CONF_ERROR;
|
|
|
2635 }
|
|
|
2636
|
|
|
2637 if (cf->args->nelts == 2 && ngx_strcmp(value[1].data, "default") == 0) {
|
|
348
|
2638 if (plcf->url.data == NULL) {
|
|
58
|
2639 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2640 "\"proxy_rewrite_location default\" must go "
|
|
|
2641 "after the \"proxy_pass\" directive");
|
|
|
2642 return NGX_CONF_ERROR;
|
|
|
2643 }
|
|
|
2644
|
|
|
2645 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
348
|
2646 pr->redirect = plcf->url;
|
|
|
2647
|
|
|
2648 if (plcf->vars.uri.len) {
|
|
|
2649 pr->replacement.text = plcf->location;
|
|
202
|
2650
|
|
|
2651 } else {
|
|
|
2652 pr->replacement.text.len = 0;
|
|
|
2653 pr->replacement.text.data = NULL;
|
|
|
2654 }
|
|
58
|
2655
|
|
|
2656 return NGX_CONF_OK;
|
|
|
2657 }
|
|
|
2658
|
|
|
2659 if (ngx_http_script_variables_count(&value[2]) == 0) {
|
|
|
2660 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2661 pr->redirect = value[1];
|
|
|
2662 pr->replacement.text = value[2];
|
|
|
2663
|
|
|
2664 return NGX_CONF_OK;
|
|
|
2665 }
|
|
|
2666
|
|
|
2667 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2668
|
|
|
2669 vars_lengths = NULL;
|
|
|
2670 vars_values = NULL;
|
|
|
2671
|
|
|
2672 sc.cf = cf;
|
|
|
2673 sc.source = &value[2];
|
|
|
2674 sc.lengths = &vars_lengths;
|
|
|
2675 sc.values = &vars_values;
|
|
|
2676 sc.complete_lengths = 1;
|
|
|
2677 sc.complete_values = 1;
|
|
|
2678
|
|
|
2679 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2680 return NGX_CONF_ERROR;
|
|
|
2681 }
|
|
|
2682
|
|
|
2683 pr->handler = ngx_http_proxy_rewrite_redirect_vars;
|
|
|
2684 pr->redirect = value[1];
|
|
|
2685 pr->replacement.vars.lengths = vars_lengths->elts;
|
|
|
2686 pr->replacement.vars.values = vars_values->elts;
|
|
|
2687
|
|
|
2688 return NGX_CONF_OK;
|
|
|
2689 }
|
|
|
2690
|
|
|
2691
|
|
|
2692 static char *
|
|
320
|
2693 ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2694 {
|
|
|
2695 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2696
|
|
|
2697 ngx_str_t *value;
|
|
|
2698 ngx_http_script_compile_t sc;
|
|
|
2699
|
|
|
2700 if (plcf->upstream.store != NGX_CONF_UNSET || plcf->upstream.store_lengths)
|
|
|
2701 {
|
|
|
2702 return "is duplicate";
|
|
|
2703 }
|
|
|
2704
|
|
|
2705 value = cf->args->elts;
|
|
|
2706
|
|
|
2707 if (ngx_strcmp(value[1].data, "on") == 0) {
|
|
|
2708 plcf->upstream.store = 1;
|
|
|
2709 return NGX_CONF_OK;
|
|
|
2710 }
|
|
|
2711
|
|
|
2712 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2713 plcf->upstream.store = 0;
|
|
|
2714 return NGX_CONF_OK;
|
|
|
2715 }
|
|
|
2716
|
|
|
2717 /* include the terminating '\0' into script */
|
|
|
2718 value[1].len++;
|
|
|
2719
|
|
|
2720 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2721
|
|
|
2722 sc.cf = cf;
|
|
|
2723 sc.source = &value[1];
|
|
|
2724 sc.lengths = &plcf->upstream.store_lengths;
|
|
|
2725 sc.values = &plcf->upstream.store_values;
|
|
340
|
2726 sc.variables = ngx_http_script_variables_count(&value[1]);
|
|
320
|
2727 sc.complete_lengths = 1;
|
|
|
2728 sc.complete_values = 1;
|
|
|
2729
|
|
|
2730 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2731 return NGX_CONF_ERROR;
|
|
|
2732 }
|
|
|
2733
|
|
|
2734 return NGX_CONF_OK;
|
|
|
2735 }
|
|
|
2736
|
|
|
2737
|
|
464
|
2738 #if (NGX_HTTP_CACHE)
|
|
|
2739
|
|
|
2740 static char *
|
|
|
2741 ngx_http_proxy_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2742 {
|
|
|
2743 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2744
|
|
|
2745 ngx_str_t *value;
|
|
|
2746
|
|
|
2747 value = cf->args->elts;
|
|
|
2748
|
|
|
2749 if (plcf->upstream.cache != NGX_CONF_UNSET_PTR) {
|
|
|
2750 return "is duplicate";
|
|
|
2751 }
|
|
|
2752
|
|
|
2753 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2754 plcf->upstream.cache = NULL;
|
|
|
2755 return NGX_CONF_OK;
|
|
|
2756 }
|
|
|
2757
|
|
|
2758 plcf->upstream.cache = ngx_shared_memory_add(cf, &value[1], 0,
|
|
|
2759 &ngx_http_proxy_module);
|
|
|
2760 if (plcf->upstream.cache == NULL) {
|
|
|
2761 return NGX_CONF_ERROR;
|
|
|
2762 }
|
|
|
2763
|
|
|
2764 return NGX_CONF_OK;
|
|
|
2765 }
|
|
|
2766
|
|
472
|
2767
|
|
|
2768 static char *
|
|
|
2769 ngx_http_proxy_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2770 {
|
|
|
2771 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2772
|
|
|
2773 ngx_str_t *value;
|
|
|
2774 ngx_http_compile_complex_value_t ccv;
|
|
|
2775
|
|
|
2776 value = cf->args->elts;
|
|
|
2777
|
|
|
2778 if (plcf->cache_key.value.len) {
|
|
|
2779 return "is duplicate";
|
|
|
2780 }
|
|
|
2781
|
|
|
2782 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
|
|
|
2783
|
|
|
2784 ccv.cf = cf;
|
|
|
2785 ccv.value = &value[1];
|
|
|
2786 ccv.complex_value = &plcf->cache_key;
|
|
|
2787
|
|
|
2788 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
|
|
|
2789 return NGX_CONF_ERROR;
|
|
|
2790 }
|
|
|
2791
|
|
|
2792 return NGX_CONF_OK;
|
|
|
2793 }
|
|
|
2794
|
|
464
|
2795 #endif
|
|
|
2796
|
|
|
2797
|
|
320
|
2798 static char *
|
|
58
|
2799 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data)
|
|
|
2800 {
|
|
|
2801 #if (NGX_FREEBSD)
|
|
|
2802 ssize_t *np = data;
|
|
|
2803
|
|
222
|
2804 if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) {
|
|
58
|
2805 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2806 "\"proxy_send_lowat\" must be less than %d "
|
|
|
2807 "(sysctl net.inet.tcp.sendspace)",
|
|
|
2808 ngx_freebsd_net_inet_tcp_sendspace);
|
|
|
2809
|
|
|
2810 return NGX_CONF_ERROR;
|
|
|
2811 }
|
|
|
2812
|
|
|
2813 #elif !(NGX_HAVE_SO_SNDLOWAT)
|
|
|
2814 ssize_t *np = data;
|
|
|
2815
|
|
|
2816 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
2817 "\"proxy_send_lowat\" is not supported, ignored");
|
|
|
2818
|
|
|
2819 *np = 0;
|
|
|
2820
|
|
|
2821 #endif
|
|
|
2822
|
|
|
2823 return NGX_CONF_OK;
|
|
|
2824 }
|
|
260
|
2825
|
|
|
2826
|
|
|
2827 static char *
|
|
|
2828 ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf,
|
|
|
2829 ngx_command_t *cmd, void *conf)
|
|
|
2830 {
|
|
|
2831 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2832 "\"proxy_upstream_max_fails\" is not supported, "
|
|
|
2833 "use the \"max_fails\" parameter of the \"server\" directive ",
|
|
|
2834 "inside the \"upstream\" block");
|
|
|
2835
|
|
|
2836 return NGX_CONF_ERROR;
|
|
|
2837 }
|
|
|
2838
|
|
|
2839
|
|
|
2840 static char *
|
|
|
2841 ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
|
|
|
2842 ngx_command_t *cmd, void *conf)
|
|
|
2843 {
|
|
|
2844 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2845 "\"proxy_upstream_fail_timeout\" is not supported, "
|
|
|
2846 "use the \"fail_timeout\" parameter of the \"server\" directive ",
|
|
|
2847 "inside the \"upstream\" block");
|
|
|
2848
|
|
|
2849 return NGX_CONF_ERROR;
|
|
|
2850 }
|
|
348
|
2851
|
|
|
2852
|
|
|
2853 #if (NGX_HTTP_SSL)
|
|
|
2854
|
|
|
2855 static ngx_int_t
|
|
|
2856 ngx_http_proxy_set_ssl(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *plcf)
|
|
|
2857 {
|
|
|
2858 ngx_pool_cleanup_t *cln;
|
|
|
2859
|
|
|
2860 plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t));
|
|
|
2861 if (plcf->upstream.ssl == NULL) {
|
|
|
2862 return NGX_ERROR;
|
|
|
2863 }
|
|
|
2864
|
|
|
2865 plcf->upstream.ssl->log = cf->log;
|
|
|
2866
|
|
|
2867 if (ngx_ssl_create(plcf->upstream.ssl,
|
|
|
2868 NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1, NULL)
|
|
|
2869 != NGX_OK)
|
|
|
2870 {
|
|
|
2871 return NGX_ERROR;
|
|
|
2872 }
|
|
|
2873
|
|
|
2874 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
2875 if (cln == NULL) {
|
|
|
2876 return NGX_ERROR;
|
|
|
2877 }
|
|
|
2878
|
|
|
2879 cln->handler = ngx_ssl_cleanup_ctx;
|
|
|
2880 cln->data = plcf->upstream.ssl;
|
|
|
2881
|
|
|
2882 return NGX_OK;
|
|
|
2883 }
|
|
|
2884
|
|
|
2885 #endif
|
|
|
2886
|
|
|
2887
|
|
464
|
2888 static void
|
|
|
2889 ngx_http_proxy_set_vars(ngx_url_t *u, ngx_http_proxy_vars_t *v)
|
|
348
|
2890 {
|
|
400
|
2891 if (u->family != AF_UNIX) {
|
|
464
|
2892
|
|
348
|
2893 if (u->no_port || u->port == u->default_port) {
|
|
464
|
2894
|
|
348
|
2895 v->host_header = u->host;
|
|
|
2896
|
|
|
2897 if (u->default_port == 80) {
|
|
|
2898 v->port.len = sizeof("80") - 1;
|
|
|
2899 v->port.data = (u_char *) "80";
|
|
|
2900
|
|
|
2901 } else {
|
|
|
2902 v->port.len = sizeof("443") - 1;
|
|
|
2903 v->port.data = (u_char *) "443";
|
|
|
2904 }
|
|
|
2905
|
|
|
2906 } else {
|
|
354
|
2907 v->host_header.len = u->host.len + 1 + u->port_text.len;
|
|
|
2908 v->host_header.data = u->host.data;
|
|
|
2909 v->port = u->port_text;
|
|
348
|
2910 }
|
|
|
2911
|
|
464
|
2912 v->key_start.len += v->host_header.len;
|
|
|
2913
|
|
348
|
2914 } else {
|
|
|
2915 v->host_header.len = sizeof("localhost") - 1;
|
|
|
2916 v->host_header.data = (u_char *) "localhost";
|
|
|
2917 v->port.len = 0;
|
|
|
2918 v->port.data = (u_char *) "";
|
|
464
|
2919 v->key_start.len += sizeof("unix:") - 1 + u->host.len + 1;
|
|
348
|
2920 }
|
|
|
2921
|
|
|
2922 v->uri = u->uri;
|
|
|
2923 }
|
