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58
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1
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126
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2 /*
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58
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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10
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11
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12 typedef struct ngx_http_proxy_redirect_s ngx_http_proxy_redirect_t;
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13
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14 typedef ngx_int_t (*ngx_http_proxy_redirect_pt)(ngx_http_request_t *r,
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15 ngx_table_elt_t *h, size_t prefix, ngx_http_proxy_redirect_t *pr);
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16
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17 struct ngx_http_proxy_redirect_s {
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200
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18 ngx_http_proxy_redirect_pt handler;
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19 ngx_str_t redirect;
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58
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20
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21 union {
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200
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22 ngx_str_t text;
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58
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23
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24 struct {
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200
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25 void *lengths;
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26 void *values;
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58
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27 } vars;
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28
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200
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29 void *regex;
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58
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30 } replacement;
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31 };
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32
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33
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34 typedef struct {
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430
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35 ngx_str_t schema;
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348
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36 ngx_str_t host_header;
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37 ngx_str_t port;
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38 ngx_str_t uri;
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39 } ngx_http_proxy_vars_t;
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40
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41
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42 typedef struct {
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200
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43 ngx_http_upstream_conf_t upstream;
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44
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45 ngx_array_t *flushes;
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46 ngx_array_t *body_set_len;
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47 ngx_array_t *body_set;
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48 ngx_array_t *headers_set_len;
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49 ngx_array_t *headers_set;
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50 ngx_hash_t headers_set_hash;
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51
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52 ngx_array_t *headers_source;
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53 ngx_array_t *headers_names;
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54
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348
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55 ngx_array_t *proxy_lengths;
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56 ngx_array_t *proxy_values;
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57
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200
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58 ngx_array_t *redirects;
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59
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60 ngx_str_t body_source;
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61
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62 ngx_str_t method;
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348
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63 ngx_str_t location;
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64 ngx_str_t url;
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65
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66 ngx_http_proxy_vars_t vars;
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200
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67
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68 ngx_flag_t redirect;
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298
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69
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70 ngx_uint_t headers_hash_max_size;
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71 ngx_uint_t headers_hash_bucket_size;
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58
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72 } ngx_http_proxy_loc_conf_t;
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73
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74
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75 typedef struct {
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200
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76 ngx_uint_t status;
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77 ngx_uint_t status_count;
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78 u_char *status_start;
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79 u_char *status_end;
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80
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348
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81 ngx_http_proxy_vars_t vars;
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82
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83 size_t internal_body_length;
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58
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84 } ngx_http_proxy_ctx_t;
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85
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86
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87 #define NGX_HTTP_PROXY_PARSE_NO_HEADER 20
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88
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89
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348
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90 static ngx_int_t ngx_http_proxy_eval(ngx_http_request_t *r,
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91 ngx_http_proxy_ctx_t *ctx, ngx_http_proxy_loc_conf_t *plcf);
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58
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92 static ngx_int_t ngx_http_proxy_create_request(ngx_http_request_t *r);
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93 static ngx_int_t ngx_http_proxy_reinit_request(ngx_http_request_t *r);
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94 static ngx_int_t ngx_http_proxy_process_status_line(ngx_http_request_t *r);
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95 static ngx_int_t ngx_http_proxy_parse_status_line(ngx_http_request_t *r,
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348
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96 ngx_http_proxy_ctx_t *ctx);
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58
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97 static ngx_int_t ngx_http_proxy_process_header(ngx_http_request_t *r);
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98 static void ngx_http_proxy_abort_request(ngx_http_request_t *r);
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99 static void ngx_http_proxy_finalize_request(ngx_http_request_t *r,
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100 ngx_int_t rc);
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101
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122
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102 static ngx_int_t ngx_http_proxy_host_variable(ngx_http_request_t *r,
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103 ngx_http_variable_value_t *v, uintptr_t data);
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104 static ngx_int_t ngx_http_proxy_port_variable(ngx_http_request_t *r,
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105 ngx_http_variable_value_t *v, uintptr_t data);
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106 static ngx_int_t
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58
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107 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
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122
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108 ngx_http_variable_value_t *v, uintptr_t data);
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126
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109 static ngx_int_t
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110 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
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111 ngx_http_variable_value_t *v, uintptr_t data);
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58
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112 static ngx_int_t ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r,
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113 ngx_table_elt_t *h, size_t prefix);
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114
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115 static ngx_int_t ngx_http_proxy_add_variables(ngx_conf_t *cf);
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116 static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf);
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117 static char *ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf,
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118 void *parent, void *child);
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119
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120 static char *ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd,
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121 void *conf);
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122 static char *ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd,
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123 void *conf);
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320
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124 static char *ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd,
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125 void *conf);
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58
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126
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127 static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data);
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128
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260
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129 static char *ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf,
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130 ngx_command_t *cmd, void *conf);
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131 static char *ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
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132 ngx_command_t *cmd, void *conf);
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133
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348
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134 #if (NGX_HTTP_SSL)
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135 static ngx_int_t ngx_http_proxy_set_ssl(ngx_conf_t *cf,
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136 ngx_http_proxy_loc_conf_t *plcf);
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137 #endif
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138 static ngx_int_t ngx_http_proxy_set_vars(ngx_pool_t *pool, ngx_url_t *u,
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139 ngx_http_proxy_vars_t *v);
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140
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58
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141
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142 static ngx_conf_post_t ngx_http_proxy_lowat_post =
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143 { ngx_http_proxy_lowat_check };
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144
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145
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146 static ngx_conf_bitmask_t ngx_http_proxy_next_upstream_masks[] = {
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147 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
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148 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
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149 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
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150 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
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412
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151 { ngx_string("http_502"), NGX_HTTP_UPSTREAM_FT_HTTP_502 },
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172
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152 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 },
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412
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153 { ngx_string("http_504"), NGX_HTTP_UPSTREAM_FT_HTTP_504 },
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154 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
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214
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155 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF },
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58
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156 { ngx_null_string, 0 }
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157 };
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158
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159
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160 static ngx_command_t ngx_http_proxy_commands[] = {
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161
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162 { ngx_string("proxy_pass"),
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256
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163 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1,
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164 ngx_http_proxy_pass,
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165 NGX_HTTP_LOC_CONF_OFFSET,
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166 0,
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167 NULL },
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168
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169 { ngx_string("proxy_redirect"),
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170 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
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171 ngx_http_proxy_redirect,
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172 NGX_HTTP_LOC_CONF_OFFSET,
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173 0,
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174 NULL },
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175
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318
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176 { ngx_string("proxy_store"),
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320
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177 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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178 ngx_http_proxy_store,
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179 NGX_HTTP_LOC_CONF_OFFSET,
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180 0,
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181 NULL },
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182
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183 { ngx_string("proxy_store_access"),
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318
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184 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123,
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185 ngx_conf_set_access_slot,
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186 NGX_HTTP_LOC_CONF_OFFSET,
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320
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187 offsetof(ngx_http_proxy_loc_conf_t, upstream.store_access),
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318
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188 NULL },
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189
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130
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190 { ngx_string("proxy_buffering"),
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191 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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192 ngx_conf_set_flag_slot,
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193 NGX_HTTP_LOC_CONF_OFFSET,
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194 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffering),
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195 NULL },
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196
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178
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197 { ngx_string("proxy_ignore_client_abort"),
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198 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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199 ngx_conf_set_flag_slot,
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200 NGX_HTTP_LOC_CONF_OFFSET,
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201 offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_client_abort),
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202 NULL },
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203
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204 { ngx_string("proxy_connect_timeout"),
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205 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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206 ngx_conf_set_msec_slot,
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207 NGX_HTTP_LOC_CONF_OFFSET,
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208 offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout),
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209 NULL },
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210
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211 { ngx_string("proxy_send_timeout"),
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212 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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213 ngx_conf_set_msec_slot,
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214 NGX_HTTP_LOC_CONF_OFFSET,
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215 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout),
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216 NULL },
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217
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218 { ngx_string("proxy_send_lowat"),
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219 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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220 ngx_conf_set_size_slot,
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221 NGX_HTTP_LOC_CONF_OFFSET,
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222 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat),
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223 &ngx_http_proxy_lowat_post },
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224
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206
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225 { ngx_string("proxy_intercept_errors"),
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226 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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227 ngx_conf_set_flag_slot,
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228 NGX_HTTP_LOC_CONF_OFFSET,
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229 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors),
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230 NULL },
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231
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58
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232 { ngx_string("proxy_set_header"),
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233 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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198
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234 ngx_conf_set_keyval_slot,
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235 NGX_HTTP_LOC_CONF_OFFSET,
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236 offsetof(ngx_http_proxy_loc_conf_t, headers_source),
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237 NULL },
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238
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298
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239 { ngx_string("proxy_headers_hash_max_size"),
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240 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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241 ngx_conf_set_num_slot,
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242 NGX_HTTP_LOC_CONF_OFFSET,
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243 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_max_size),
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244 NULL },
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245
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246 { ngx_string("proxy_headers_hash_bucket_size"),
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247 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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248 ngx_conf_set_num_slot,
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249 NGX_HTTP_LOC_CONF_OFFSET,
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250 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_bucket_size),
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251 NULL },
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252
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126
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253 { ngx_string("proxy_set_body"),
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254 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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255 ngx_conf_set_str_slot,
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256 NGX_HTTP_LOC_CONF_OFFSET,
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257 offsetof(ngx_http_proxy_loc_conf_t, body_source),
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258 NULL },
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259
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58
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260 { ngx_string("proxy_method"),
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261 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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110
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262 ngx_conf_set_str_slot,
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58
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263 NGX_HTTP_LOC_CONF_OFFSET,
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110
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264 offsetof(ngx_http_proxy_loc_conf_t, method),
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265 NULL },
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58
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266
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267 { ngx_string("proxy_pass_request_headers"),
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268 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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269 ngx_conf_set_flag_slot,
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270 NGX_HTTP_LOC_CONF_OFFSET,
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271 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers),
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272 NULL },
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273
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274 { ngx_string("proxy_pass_request_body"),
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275 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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276 ngx_conf_set_flag_slot,
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277 NGX_HTTP_LOC_CONF_OFFSET,
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278 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body),
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279 NULL },
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280
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130
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281 { ngx_string("proxy_buffer_size"),
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282 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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283 ngx_conf_set_size_slot,
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284 NGX_HTTP_LOC_CONF_OFFSET,
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285 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
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286 NULL },
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287
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58
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288 { ngx_string("proxy_read_timeout"),
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289 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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290 ngx_conf_set_msec_slot,
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291 NGX_HTTP_LOC_CONF_OFFSET,
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292 offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout),
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293 NULL },
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294
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295 { ngx_string("proxy_buffers"),
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296 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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297 ngx_conf_set_bufs_slot,
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298 NGX_HTTP_LOC_CONF_OFFSET,
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299 offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs),
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300 NULL },
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301
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302 { ngx_string("proxy_busy_buffers_size"),
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303 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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304 ngx_conf_set_size_slot,
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305 NGX_HTTP_LOC_CONF_OFFSET,
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78
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306 offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf),
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58
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307 NULL },
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308
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309 { ngx_string("proxy_temp_path"),
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310 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
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311 ngx_conf_set_path_slot,
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312 NGX_HTTP_LOC_CONF_OFFSET,
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313 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path),
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314 (void *) ngx_garbage_collector_temp_handler },
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315
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316 { ngx_string("proxy_max_temp_file_size"),
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317 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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318 ngx_conf_set_size_slot,
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319 NGX_HTTP_LOC_CONF_OFFSET,
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78
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320 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf),
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58
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321 NULL },
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322
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323 { ngx_string("proxy_temp_file_write_size"),
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324 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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325 ngx_conf_set_size_slot,
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326 NGX_HTTP_LOC_CONF_OFFSET,
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78
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327 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_file_write_size_conf),
|
|
58
|
328 NULL },
|
|
|
329
|
|
|
330 { ngx_string("proxy_next_upstream"),
|
|
96
|
331 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
58
|
332 ngx_conf_set_bitmask_slot,
|
|
|
333 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
334 offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream),
|
|
|
335 &ngx_http_proxy_next_upstream_masks },
|
|
|
336
|
|
110
|
337 { ngx_string("proxy_upstream_max_fails"),
|
|
|
338 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
260
|
339 ngx_http_proxy_upstream_max_fails_unsupported,
|
|
|
340 0,
|
|
|
341 0,
|
|
110
|
342 NULL },
|
|
|
343
|
|
|
344 { ngx_string("proxy_upstream_fail_timeout"),
|
|
|
345 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
260
|
346 ngx_http_proxy_upstream_fail_timeout_unsupported,
|
|
|
347 0,
|
|
|
348 0,
|
|
110
|
349 NULL },
|
|
|
350
|
|
198
|
351 { ngx_string("proxy_pass_header"),
|
|
58
|
352 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
198
|
353 ngx_conf_set_str_array_slot,
|
|
58
|
354 NGX_HTTP_LOC_CONF_OFFSET,
|
|
198
|
355 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_headers),
|
|
58
|
356 NULL },
|
|
|
357
|
|
198
|
358 { ngx_string("proxy_hide_header"),
|
|
58
|
359 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
198
|
360 ngx_conf_set_str_array_slot,
|
|
58
|
361 NGX_HTTP_LOC_CONF_OFFSET,
|
|
198
|
362 offsetof(ngx_http_proxy_loc_conf_t, upstream.hide_headers),
|
|
58
|
363 NULL },
|
|
|
364
|
|
398
|
365 #if (NGX_HTTP_SSL)
|
|
|
366
|
|
|
367 { ngx_string("proxy_ssl_session_reuse"),
|
|
|
368 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
369 ngx_conf_set_flag_slot,
|
|
|
370 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
371 offsetof(ngx_http_proxy_loc_conf_t, upstream.ssl_session_reuse),
|
|
|
372 NULL },
|
|
|
373
|
|
|
374 #endif
|
|
|
375
|
|
58
|
376 ngx_null_command
|
|
|
377 };
|
|
|
378
|
|
|
379
|
|
216
|
380 static ngx_http_module_t ngx_http_proxy_module_ctx = {
|
|
58
|
381 ngx_http_proxy_add_variables, /* preconfiguration */
|
|
|
382 NULL, /* postconfiguration */
|
|
|
383
|
|
|
384 NULL, /* create main configuration */
|
|
|
385 NULL, /* init main configuration */
|
|
|
386
|
|
|
387 NULL, /* create server configuration */
|
|
|
388 NULL, /* merge server configuration */
|
|
|
389
|
|
|
390 ngx_http_proxy_create_loc_conf, /* create location configration */
|
|
|
391 ngx_http_proxy_merge_loc_conf /* merge location configration */
|
|
|
392 };
|
|
|
393
|
|
|
394
|
|
|
395 ngx_module_t ngx_http_proxy_module = {
|
|
|
396 NGX_MODULE_V1,
|
|
|
397 &ngx_http_proxy_module_ctx, /* module context */
|
|
|
398 ngx_http_proxy_commands, /* module directives */
|
|
|
399 NGX_HTTP_MODULE, /* module type */
|
|
90
|
400 NULL, /* init master */
|
|
58
|
401 NULL, /* init module */
|
|
90
|
402 NULL, /* init process */
|
|
|
403 NULL, /* init thread */
|
|
|
404 NULL, /* exit thread */
|
|
|
405 NULL, /* exit process */
|
|
|
406 NULL, /* exit master */
|
|
|
407 NGX_MODULE_V1_PADDING
|
|
58
|
408 };
|
|
|
409
|
|
|
410
|
|
|
411 static char ngx_http_proxy_version[] = " HTTP/1.0" CRLF;
|
|
|
412
|
|
|
413
|
|
198
|
414 static ngx_keyval_t ngx_http_proxy_headers[] = {
|
|
|
415 { ngx_string("Host"), ngx_string("$proxy_host") },
|
|
|
416 { ngx_string("Connection"), ngx_string("close") },
|
|
|
417 { ngx_string("Keep-Alive"), ngx_string("") },
|
|
384
|
418 { ngx_string("Expect"), ngx_string("") },
|
|
198
|
419 { ngx_null_string, ngx_null_string }
|
|
|
420 };
|
|
|
421
|
|
|
422
|
|
|
423 static ngx_str_t ngx_http_proxy_hide_headers[] = {
|
|
|
424 ngx_string("Date"),
|
|
|
425 ngx_string("Server"),
|
|
|
426 ngx_string("X-Pad"),
|
|
|
427 ngx_string("X-Accel-Expires"),
|
|
|
428 ngx_string("X-Accel-Redirect"),
|
|
|
429 ngx_string("X-Accel-Limit-Rate"),
|
|
364
|
430 ngx_string("X-Accel-Buffering"),
|
|
|
431 ngx_string("X-Accel-Charset"),
|
|
198
|
432 ngx_null_string
|
|
58
|
433 };
|
|
|
434
|
|
|
435
|
|
|
436 static ngx_http_variable_t ngx_http_proxy_vars[] = {
|
|
|
437
|
|
186
|
438 { ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0,
|
|
366
|
439 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
440
|
|
186
|
441 { ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0,
|
|
366
|
442 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
443
|
|
186
|
444 { ngx_string("proxy_add_x_forwarded_for"), NULL,
|
|
132
|
445 ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
446
|
|
|
447 #if 0
|
|
186
|
448 { ngx_string("proxy_add_via"), NULL, NULL, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
449 #endif
|
|
|
450
|
|
186
|
451 { ngx_string("proxy_internal_body_length"), NULL,
|
|
132
|
452 ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
126
|
453
|
|
186
|
454 { ngx_null_string, NULL, NULL, 0, 0, 0 }
|
|
58
|
455 };
|
|
|
456
|
|
|
457
|
|
|
458 static ngx_int_t
|
|
|
459 ngx_http_proxy_handler(ngx_http_request_t *r)
|
|
126
|
460 {
|
|
58
|
461 ngx_int_t rc;
|
|
|
462 ngx_http_upstream_t *u;
|
|
348
|
463 ngx_http_proxy_ctx_t *ctx;
|
|
58
|
464 ngx_http_proxy_loc_conf_t *plcf;
|
|
126
|
465
|
|
58
|
466 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t));
|
|
|
467 if (u == NULL) {
|
|
|
468 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
469 }
|
|
126
|
470
|
|
348
|
471 r->upstream = u;
|
|
|
472
|
|
|
473 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t));
|
|
|
474 if (ctx == NULL) {
|
|
|
475 return NGX_ERROR;
|
|
|
476 }
|
|
|
477
|
|
|
478 ngx_http_set_ctx(r, ctx, ngx_http_proxy_module);
|
|
|
479
|
|
|
480 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
481
|
|
|
482 if (plcf->proxy_lengths == 0) {
|
|
|
483 ctx->vars = plcf->vars;
|
|
430
|
484 u->schema = plcf->vars.schema;
|
|
348
|
485 #if (NGX_HTTP_SSL)
|
|
|
486 u->ssl = (plcf->upstream.ssl != NULL);
|
|
|
487 #endif
|
|
|
488
|
|
|
489 } else {
|
|
|
490 if (ngx_http_proxy_eval(r, ctx, plcf) != NGX_OK) {
|
|
|
491 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
492 }
|
|
|
493 }
|
|
|
494
|
|
58
|
495 u->peer.log = r->connection->log;
|
|
|
496 u->peer.log_error = NGX_ERROR_ERR;
|
|
|
497 #if (NGX_THREADS)
|
|
|
498 u->peer.lock = &r->connection->lock;
|
|
|
499 #endif
|
|
|
500
|
|
|
501 u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module;
|
|
|
502
|
|
|
503 u->conf = &plcf->upstream;
|
|
|
504
|
|
|
505 u->create_request = ngx_http_proxy_create_request;
|
|
|
506 u->reinit_request = ngx_http_proxy_reinit_request;
|
|
|
507 u->process_header = ngx_http_proxy_process_status_line;
|
|
|
508 u->abort_request = ngx_http_proxy_abort_request;
|
|
|
509 u->finalize_request = ngx_http_proxy_finalize_request;
|
|
|
510
|
|
|
511 if (plcf->redirects) {
|
|
|
512 u->rewrite_redirect = ngx_http_proxy_rewrite_redirect;
|
|
|
513 }
|
|
|
514
|
|
198
|
515 u->buffering = plcf->upstream.buffering;
|
|
|
516
|
|
|
517 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
|
|
|
518 if (u->pipe == NULL) {
|
|
|
519 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
130
|
520 }
|
|
58
|
521
|
|
198
|
522 u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
|
|
|
523
|
|
58
|
524 u->accel = 1;
|
|
126
|
525
|
|
58
|
526 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
|
527
|
|
|
528 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
|
529 return rc;
|
|
|
530 }
|
|
|
531
|
|
|
532 return NGX_DONE;
|
|
|
533 }
|
|
|
534
|
|
|
535
|
|
|
536 static ngx_int_t
|
|
348
|
537 ngx_http_proxy_eval(ngx_http_request_t *r, ngx_http_proxy_ctx_t *ctx,
|
|
|
538 ngx_http_proxy_loc_conf_t *plcf)
|
|
|
539 {
|
|
416
|
540 u_char *p;
|
|
|
541 size_t add;
|
|
|
542 u_short port;
|
|
|
543 ngx_str_t proxy;
|
|
|
544 ngx_url_t u;
|
|
348
|
545
|
|
|
546 if (ngx_http_script_run(r, &proxy, plcf->proxy_lengths->elts, 0,
|
|
|
547 plcf->proxy_values->elts)
|
|
|
548 == NULL)
|
|
|
549 {
|
|
|
550 return NGX_ERROR;
|
|
|
551 }
|
|
|
552
|
|
|
553 if (ngx_strncasecmp(proxy.data, (u_char *) "http://", 7) == 0) {
|
|
|
554
|
|
|
555 add = 7;
|
|
|
556 port = 80;
|
|
|
557
|
|
|
558 #if (NGX_HTTP_SSL)
|
|
|
559
|
|
|
560 } else if (ngx_strncasecmp(proxy.data, (u_char *) "https://", 8) == 0) {
|
|
|
561
|
|
|
562 add = 8;
|
|
|
563 port = 443;
|
|
|
564 r->upstream->ssl = 1;
|
|
|
565
|
|
|
566 #endif
|
|
|
567
|
|
|
568 } else {
|
|
|
569 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
570 "invalid URL prefix in \"%V\"", &proxy);
|
|
|
571 return NGX_ERROR;
|
|
|
572 }
|
|
|
573
|
|
|
574 r->upstream->schema.len = add;
|
|
|
575 r->upstream->schema.data = proxy.data;
|
|
|
576
|
|
|
577 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
|
578
|
|
|
579 u.url.len = proxy.len - add;
|
|
|
580 u.url.data = proxy.data + add;
|
|
|
581 u.default_port = port;
|
|
|
582 u.uri_part = 1;
|
|
|
583 u.no_resolve = 1;
|
|
|
584
|
|
|
585 if (ngx_parse_url(r->pool, &u) != NGX_OK) {
|
|
|
586 if (u.err) {
|
|
|
587 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
588 "%s in upstream \"%V\"", u.err, &u.url);
|
|
|
589 }
|
|
|
590
|
|
|
591 return NGX_ERROR;
|
|
|
592 }
|
|
|
593
|
|
416
|
594 if (u.uri.len && u.uri.data[0] == '?') {
|
|
|
595 p = ngx_pnalloc(r->pool, u.uri.len + 1);
|
|
|
596 if (p == NULL) {
|
|
|
597 return NGX_ERROR;
|
|
|
598 }
|
|
|
599
|
|
|
600 *p++ = '/';
|
|
|
601 ngx_memcpy(p, u.uri.data, u.uri.len);
|
|
|
602
|
|
|
603 u.uri.len++;
|
|
|
604 u.uri.data = p - 1;
|
|
|
605 }
|
|
|
606
|
|
348
|
607 if (ngx_http_proxy_set_vars(r->pool, &u, &ctx->vars) != NGX_OK) {
|
|
|
608 return NGX_ERROR;
|
|
|
609 }
|
|
|
610
|
|
|
611 r->upstream->resolved = ngx_pcalloc(r->pool,
|
|
|
612 sizeof(ngx_http_upstream_resolved_t));
|
|
|
613 if (r->upstream->resolved == NULL) {
|
|
|
614 return NGX_ERROR;
|
|
|
615 }
|
|
|
616
|
|
434
|
617 if (u.addrs[0].sockaddr) {
|
|
|
618 r->upstream->resolved->sockaddr = u.addrs[0].sockaddr;
|
|
|
619 r->upstream->resolved->socklen = u.addrs[0].socklen;
|
|
|
620 r->upstream->resolved->naddrs = 1;
|
|
|
621 r->upstream->resolved->host = u.addrs[0].name;
|
|
|
622
|
|
|
623 } else {
|
|
|
624 r->upstream->resolved->host = u.host;
|
|
|
625 r->upstream->resolved->port = (in_port_t) (u.no_port ? u.default_port:
|
|
|
626 u.port);
|
|
|
627 r->upstream->resolved->no_port = u.no_port;
|
|
|
628 }
|
|
348
|
629
|
|
|
630 return NGX_OK;
|
|
|
631 }
|
|
|
632
|
|
|
633
|
|
|
634 static ngx_int_t
|
|
58
|
635 ngx_http_proxy_create_request(ngx_http_request_t *r)
|
|
|
636 {
|
|
126
|
637 size_t len, loc_len, body_len;
|
|
58
|
638 uintptr_t escape;
|
|
|
639 ngx_buf_t *b;
|
|
198
|
640 ngx_str_t method;
|
|
|
641 ngx_uint_t i, unparsed_uri;
|
|
58
|
642 ngx_chain_t *cl, *body;
|
|
|
643 ngx_list_part_t *part;
|
|
|
644 ngx_table_elt_t *header;
|
|
|
645 ngx_http_upstream_t *u;
|
|
348
|
646 ngx_http_proxy_ctx_t *ctx;
|
|
58
|
647 ngx_http_script_code_pt code;
|
|
|
648 ngx_http_script_engine_t e, le;
|
|
|
649 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
650 ngx_http_script_len_code_pt lcode;
|
|
|
651
|
|
|
652 u = r->upstream;
|
|
|
653
|
|
|
654 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
655
|
|
110
|
656 if (u->method.len) {
|
|
|
657 /* HEAD was changed to GET to cache response */
|
|
|
658 method = u->method;
|
|
|
659 method.len++;
|
|
|
660
|
|
|
661 } else if (plcf->method.len) {
|
|
|
662 method = plcf->method;
|
|
|
663
|
|
58
|
664 } else {
|
|
110
|
665 method = r->method_name;
|
|
|
666 method.len++;
|
|
58
|
667 }
|
|
|
668
|
|
352
|
669 len = method.len + sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1;
|
|
|
670
|
|
58
|
671 escape = 0;
|
|
348
|
672 loc_len = 0;
|
|
|
673 unparsed_uri = 0;
|
|
|
674
|
|
|
675 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
676
|
|
|
677 if (plcf->proxy_lengths) {
|
|
352
|
678 len += ctx->vars.uri.len;
|
|
348
|
679
|
|
|
680 } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri && r == r->main)
|
|
|
681 {
|
|
158
|
682 unparsed_uri = 1;
|
|
352
|
683 len += r->unparsed_uri.len;
|
|
58
|
684
|
|
|
685 } else {
|
|
348
|
686 loc_len = (r->valid_location && ctx->vars.uri.len) ?
|
|
|
687 plcf->location.len : 0;
|
|
|
688
|
|
336
|
689 if (r->quoted_uri || r->internal) {
|
|
58
|
690 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
|
|
|
691 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
692 }
|
|
|
693
|
|
354
|
694 len += ctx->vars.uri.len + r->uri.len - loc_len + escape
|
|
|
695 + sizeof("?") - 1 + r->args.len;
|
|
58
|
696 }
|
|
|
697
|
|
340
|
698 ngx_http_script_flush_no_cacheable_variables(r, plcf->flushes);
|
|
122
|
699
|
|
126
|
700 if (plcf->body_set_len) {
|
|
|
701 le.ip = plcf->body_set_len->elts;
|
|
|
702 le.request = r;
|
|
|
703 le.flushed = 1;
|
|
|
704 body_len = 0;
|
|
|
705
|
|
|
706 while (*(uintptr_t *) le.ip) {
|
|
|
707 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
708 body_len += lcode(&le);
|
|
|
709 }
|
|
|
710
|
|
348
|
711 ctx->internal_body_length = body_len;
|
|
126
|
712 len += body_len;
|
|
|
713 }
|
|
|
714
|
|
58
|
715 le.ip = plcf->headers_set_len->elts;
|
|
|
716 le.request = r;
|
|
122
|
717 le.flushed = 1;
|
|
58
|
718
|
|
|
719 while (*(uintptr_t *) le.ip) {
|
|
|
720 while (*(uintptr_t *) le.ip) {
|
|
|
721 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
722 len += lcode(&le);
|
|
|
723 }
|
|
|
724 le.ip += sizeof(uintptr_t);
|
|
|
725 }
|
|
|
726
|
|
|
727
|
|
|
728 if (plcf->upstream.pass_request_headers) {
|
|
|
729 part = &r->headers_in.headers.part;
|
|
|
730 header = part->elts;
|
|
|
731
|
|
|
732 for (i = 0; /* void */; i++) {
|
|
|
733
|
|
|
734 if (i >= part->nelts) {
|
|
|
735 if (part->next == NULL) {
|
|
|
736 break;
|
|
|
737 }
|
|
|
738
|
|
|
739 part = part->next;
|
|
|
740 header = part->elts;
|
|
126
|
741 i = 0;
|
|
58
|
742 }
|
|
|
743
|
|
198
|
744 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
745 header[i].lowcase_key, header[i].key.len))
|
|
58
|
746 {
|
|
|
747 continue;
|
|
|
748 }
|
|
|
749
|
|
|
750 len += header[i].key.len + sizeof(": ") - 1
|
|
|
751 + header[i].value.len + sizeof(CRLF) - 1;
|
|
|
752 }
|
|
|
753 }
|
|
|
754
|
|
|
755
|
|
|
756 b = ngx_create_temp_buf(r->pool, len);
|
|
|
757 if (b == NULL) {
|
|
|
758 return NGX_ERROR;
|
|
|
759 }
|
|
|
760
|
|
|
761 cl = ngx_alloc_chain_link(r->pool);
|
|
|
762 if (cl == NULL) {
|
|
|
763 return NGX_ERROR;
|
|
|
764 }
|
|
|
765
|
|
|
766 cl->buf = b;
|
|
|
767
|
|
|
768
|
|
|
769 /* the request line */
|
|
|
770
|
|
122
|
771 b->last = ngx_copy(b->last, method.data, method.len);
|
|
58
|
772
|
|
104
|
773 u->uri.data = b->last;
|
|
|
774
|
|
348
|
775 if (plcf->proxy_lengths) {
|
|
|
776 b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len);
|
|
|
777
|
|
|
778 } else if (unparsed_uri) {
|
|
122
|
779 b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len);
|
|
|
780
|
|
58
|
781 } else {
|
|
104
|
782 if (r->valid_location) {
|
|
348
|
783 b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len);
|
|
104
|
784 }
|
|
100
|
785
|
|
58
|
786 if (escape) {
|
|
|
787 ngx_escape_uri(b->last, r->uri.data + loc_len,
|
|
|
788 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
789 b->last += r->uri.len - loc_len + escape;
|
|
|
790
|
|
126
|
791 } else {
|
|
122
|
792 b->last = ngx_copy(b->last, r->uri.data + loc_len,
|
|
|
793 r->uri.len - loc_len);
|
|
58
|
794 }
|
|
|
795
|
|
|
796 if (r->args.len > 0) {
|
|
|
797 *b->last++ = '?';
|
|
122
|
798 b->last = ngx_copy(b->last, r->args.data, r->args.len);
|
|
58
|
799 }
|
|
|
800 }
|
|
|
801
|
|
104
|
802 u->uri.len = b->last - u->uri.data;
|
|
|
803
|
|
58
|
804 b->last = ngx_cpymem(b->last, ngx_http_proxy_version,
|
|
|
805 sizeof(ngx_http_proxy_version) - 1);
|
|
|
806
|
|
126
|
807 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
58
|
808
|
|
|
809 e.ip = plcf->headers_set->elts;
|
|
|
810 e.pos = b->last;
|
|
|
811 e.request = r;
|
|
122
|
812 e.flushed = 1;
|
|
58
|
813
|
|
|
814 le.ip = plcf->headers_set_len->elts;
|
|
|
815
|
|
|
816 while (*(uintptr_t *) le.ip) {
|
|
|
817 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
64
|
818
|
|
|
819 /* skip the header line name length */
|
|
|
820 (void) lcode(&le);
|
|
58
|
821
|
|
|
822 if (*(ngx_http_script_len_code_pt *) le.ip) {
|
|
|
823
|
|
|
824 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) {
|
|
|
825 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
826 }
|
|
|
827
|
|
|
828 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0;
|
|
|
829
|
|
|
830 } else {
|
|
|
831 e.skip = 0;
|
|
|
832 }
|
|
|
833
|
|
|
834 le.ip += sizeof(uintptr_t);
|
|
|
835
|
|
|
836 while (*(uintptr_t *) e.ip) {
|
|
|
837 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
838 code((ngx_http_script_engine_t *) &e);
|
|
126
|
839 }
|
|
58
|
840 e.ip += sizeof(uintptr_t);
|
|
|
841 }
|
|
|
842
|
|
|
843 b->last = e.pos;
|
|
|
844
|
|
|
845
|
|
|
846 if (plcf->upstream.pass_request_headers) {
|
|
|
847 part = &r->headers_in.headers.part;
|
|
|
848 header = part->elts;
|
|
126
|
849
|
|
58
|
850 for (i = 0; /* void */; i++) {
|
|
|
851
|
|
|
852 if (i >= part->nelts) {
|
|
|
853 if (part->next == NULL) {
|
|
|
854 break;
|
|
|
855 }
|
|
|
856
|
|
|
857 part = part->next;
|
|
|
858 header = part->elts;
|
|
126
|
859 i = 0;
|
|
58
|
860 }
|
|
|
861
|
|
198
|
862 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
863 header[i].lowcase_key, header[i].key.len))
|
|
58
|
864 {
|
|
|
865 continue;
|
|
|
866 }
|
|
|
867
|
|
122
|
868 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len);
|
|
58
|
869
|
|
|
870 *b->last++ = ':'; *b->last++ = ' ';
|
|
|
871
|
|
122
|
872 b->last = ngx_copy(b->last, header[i].value.data,
|
|
|
873 header[i].value.len);
|
|
58
|
874
|
|
|
875 *b->last++ = CR; *b->last++ = LF;
|
|
|
876
|
|
|
877 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
878 "http proxy header: \"%V: %V\"",
|
|
|
879 &header[i].key, &header[i].value);
|
|
|
880 }
|
|
|
881 }
|
|
|
882
|
|
126
|
883
|
|
58
|
884 /* add "\r\n" at the header end */
|
|
|
885 *b->last++ = CR; *b->last++ = LF;
|
|
|
886
|
|
126
|
887 if (plcf->body_set) {
|
|
|
888 e.ip = plcf->body_set->elts;
|
|
|
889 e.pos = b->last;
|
|
|
890
|
|
|
891 while (*(uintptr_t *) e.ip) {
|
|
|
892 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
893 code((ngx_http_script_engine_t *) &e);
|
|
|
894 }
|
|
128
|
895
|
|
|
896 b->last = e.pos;
|
|
126
|
897 }
|
|
|
898
|
|
358
|
899 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
900 "http proxy header:\n\"%*s\"",
|
|
|
901 (size_t) (b->last - b->pos), b->pos);
|
|
58
|
902
|
|
126
|
903 if (plcf->body_set == NULL && plcf->upstream.pass_request_body) {
|
|
58
|
904
|
|
|
905 body = u->request_bufs;
|
|
|
906 u->request_bufs = cl;
|
|
|
907
|
|
|
908 while (body) {
|
|
|
909 b = ngx_alloc_buf(r->pool);
|
|
|
910 if (b == NULL) {
|
|
|
911 return NGX_ERROR;
|
|
|
912 }
|
|
|
913
|
|
|
914 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
915
|
|
|
916 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
917 if (cl->next == NULL) {
|
|
|
918 return NGX_ERROR;
|
|
|
919 }
|
|
|
920
|
|
|
921 cl = cl->next;
|
|
|
922 cl->buf = b;
|
|
|
923
|
|
|
924 body = body->next;
|
|
|
925 }
|
|
|
926
|
|
160
|
927 b->flush = 1;
|
|
|
928
|
|
58
|
929 } else {
|
|
|
930 u->request_bufs = cl;
|
|
|
931 }
|
|
|
932
|
|
|
933 cl->next = NULL;
|
|
|
934
|
|
|
935 return NGX_OK;
|
|
|
936 }
|
|
|
937
|
|
|
938
|
|
|
939 static ngx_int_t
|
|
|
940 ngx_http_proxy_reinit_request(ngx_http_request_t *r)
|
|
|
941 {
|
|
348
|
942 ngx_http_proxy_ctx_t *ctx;
|
|
|
943
|
|
|
944 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
945
|
|
|
946 if (ctx == NULL) {
|
|
58
|
947 return NGX_OK;
|
|
|
948 }
|
|
|
949
|
|
348
|
950 ctx->status = 0;
|
|
|
951 ctx->status_count = 0;
|
|
|
952 ctx->status_start = NULL;
|
|
|
953 ctx->status_end = NULL;
|
|
58
|
954
|
|
|
955 r->upstream->process_header = ngx_http_proxy_process_status_line;
|
|
|
956
|
|
|
957 return NGX_OK;
|
|
|
958 }
|
|
|
959
|
|
|
960
|
|
|
961 static ngx_int_t
|
|
|
962 ngx_http_proxy_process_status_line(ngx_http_request_t *r)
|
|
|
963 {
|
|
|
964 ngx_int_t rc;
|
|
|
965 ngx_http_upstream_t *u;
|
|
348
|
966 ngx_http_proxy_ctx_t *ctx;
|
|
|
967
|
|
|
968 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
969
|
|
|
970 if (ctx == NULL) {
|
|
356
|
971 return NGX_ERROR;
|
|
58
|
972 }
|
|
|
973
|
|
348
|
974 rc = ngx_http_proxy_parse_status_line(r, ctx);
|
|
58
|
975
|
|
|
976 if (rc == NGX_AGAIN) {
|
|
|
977 return rc;
|
|
|
978 }
|
|
|
979
|
|
|
980 u = r->upstream;
|
|
|
981
|
|
|
982 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) {
|
|
|
983 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
126
|
984 "upstream sent no valid HTTP/1.0 header");
|
|
58
|
985
|
|
168
|
986 #if 0
|
|
58
|
987 if (u->accel) {
|
|
|
988 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
989 }
|
|
168
|
990 #endif
|
|
58
|
991
|
|
|
992 r->http_version = NGX_HTTP_VERSION_9;
|
|
346
|
993 u->headers_in.status_n = NGX_HTTP_OK;
|
|
|
994 u->state->status = NGX_HTTP_OK;
|
|
126
|
995
|
|
58
|
996 return NGX_OK;
|
|
|
997 }
|
|
|
998
|
|
348
|
999 u->headers_in.status_n = ctx->status;
|
|
|
1000 u->state->status = ctx->status;
|
|
|
1001
|
|
|
1002 u->headers_in.status_line.len = ctx->status_end - ctx->status_start;
|
|
382
|
1003 u->headers_in.status_line.data = ngx_pnalloc(r->pool,
|
|
|
1004 u->headers_in.status_line.len);
|
|
78
|
1005 if (u->headers_in.status_line.data == NULL) {
|
|
356
|
1006 return NGX_ERROR;
|
|
58
|
1007 }
|
|
122
|
1008
|
|
348
|
1009 ngx_memcpy(u->headers_in.status_line.data, ctx->status_start,
|
|
78
|
1010 u->headers_in.status_line.len);
|
|
58
|
1011
|
|
|
1012 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1013 "http proxy status %ui \"%V\"",
|
|
270
|
1014 u->headers_in.status_n, &u->headers_in.status_line);
|
|
58
|
1015
|
|
|
1016 u->process_header = ngx_http_proxy_process_header;
|
|
|
1017
|
|
|
1018 return ngx_http_proxy_process_header(r);
|
|
|
1019 }
|
|
|
1020
|
|
|
1021
|
|
|
1022 static ngx_int_t
|
|
348
|
1023 ngx_http_proxy_parse_status_line(ngx_http_request_t *r,
|
|
|
1024 ngx_http_proxy_ctx_t *ctx)
|
|
58
|
1025 {
|
|
|
1026 u_char ch;
|
|
348
|
1027 u_char *p;
|
|
58
|
1028 ngx_http_upstream_t *u;
|
|
|
1029 enum {
|
|
|
1030 sw_start = 0,
|
|
|
1031 sw_H,
|
|
|
1032 sw_HT,
|
|
|
1033 sw_HTT,
|
|
|
1034 sw_HTTP,
|
|
|
1035 sw_first_major_digit,
|
|
|
1036 sw_major_digit,
|
|
|
1037 sw_first_minor_digit,
|
|
|
1038 sw_minor_digit,
|
|
|
1039 sw_status,
|
|
|
1040 sw_space_after_status,
|
|
|
1041 sw_status_text,
|
|
|
1042 sw_almost_done
|
|
126
|
1043 } state;
|
|
58
|
1044
|
|
|
1045 u = r->upstream;
|
|
|
1046
|
|
|
1047 state = r->state;
|
|
|
1048
|
|
348
|
1049 for (p = u->buffer.pos; p < u->buffer.last; p++) {
|
|
|
1050 ch = *p;
|
|
58
|
1051
|
|
|
1052 switch (state) {
|
|
|
1053
|
|
|
1054 /* "HTTP/" */
|
|
|
1055 case sw_start:
|
|
|
1056 switch (ch) {
|
|
126
|
1057 case 'H':
|
|
58
|
1058 state = sw_H;
|
|
|
1059 break;
|
|
|
1060 default:
|
|
|
1061 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1062 }
|
|
|
1063 break;
|
|
|
1064
|
|
126
|
1065 case sw_H:
|
|
58
|
1066 switch (ch) {
|
|
126
|
1067 case 'T':
|
|
58
|
1068 state = sw_HT;
|
|
|
1069 break;
|
|
|
1070 default:
|
|
|
1071 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1072 }
|
|
|
1073 break;
|
|
|
1074
|
|
|
1075 case sw_HT:
|
|
|
1076 switch (ch) {
|
|
126
|
1077 case 'T':
|
|
58
|
1078 state = sw_HTT;
|
|
|
1079 break;
|
|
|
1080 default:
|
|
|
1081 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1082 }
|
|
|
1083 break;
|
|
|
1084
|
|
|
1085 case sw_HTT:
|
|
|
1086 switch (ch) {
|
|
126
|
1087 case 'P':
|
|
58
|
1088 state = sw_HTTP;
|
|
|
1089 break;
|
|
|
1090 default:
|
|
|
1091 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1092 }
|
|
|
1093 break;
|
|
|
1094
|
|
|
1095 case sw_HTTP:
|
|
|
1096 switch (ch) {
|
|
126
|
1097 case '/':
|
|
58
|
1098 state = sw_first_major_digit;
|
|
|
1099 break;
|
|
|
1100 default:
|
|
|
1101 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1102 }
|
|
|
1103 break;
|
|
|
1104
|
|
|
1105 /* the first digit of major HTTP version */
|
|
|
1106 case sw_first_major_digit:
|
|
|
1107 if (ch < '1' || ch > '9') {
|
|
|
1108 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1109 }
|
|
|
1110
|
|
|
1111 state = sw_major_digit;
|
|
|
1112 break;
|
|
|
1113
|
|
|
1114 /* the major HTTP version or dot */
|
|
|
1115 case sw_major_digit:
|
|
|
1116 if (ch == '.') {
|
|
|
1117 state = sw_first_minor_digit;
|
|
|
1118 break;
|
|
|
1119 }
|
|
|
1120
|
|
|
1121 if (ch < '0' || ch > '9') {
|
|
|
1122 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1123 }
|
|
|
1124
|
|
|
1125 break;
|
|
|
1126
|
|
|
1127 /* the first digit of minor HTTP version */
|
|
|
1128 case sw_first_minor_digit:
|
|
|
1129 if (ch < '0' || ch > '9') {
|
|
|
1130 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1131 }
|
|
|
1132
|
|
|
1133 state = sw_minor_digit;
|
|
|
1134 break;
|
|
|
1135
|
|
|
1136 /* the minor HTTP version or the end of the request line */
|
|
|
1137 case sw_minor_digit:
|
|
|
1138 if (ch == ' ') {
|
|
|
1139 state = sw_status;
|
|
|
1140 break;
|
|
|
1141 }
|
|
|
1142
|
|
|
1143 if (ch < '0' || ch > '9') {
|
|
|
1144 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1145 }
|
|
|
1146
|
|
|
1147 break;
|
|
|
1148
|
|
|
1149 /* HTTP status code */
|
|
|
1150 case sw_status:
|
|
168
|
1151 if (ch == ' ') {
|
|
|
1152 break;
|
|
|
1153 }
|
|
|
1154
|
|
58
|
1155 if (ch < '0' || ch > '9') {
|
|
|
1156 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1157 }
|
|
|
1158
|
|
348
|
1159 ctx->status = ctx->status * 10 + ch - '0';
|
|
|
1160
|
|
|
1161 if (++ctx->status_count == 3) {
|
|
58
|
1162 state = sw_space_after_status;
|
|
348
|
1163 ctx->status_start = p - 2;
|
|
58
|
1164 }
|
|
|
1165
|
|
|
1166 break;
|
|
|
1167
|
|
|
1168 /* space or end of line */
|
|
|
1169 case sw_space_after_status:
|
|
|
1170 switch (ch) {
|
|
126
|
1171 case ' ':
|
|
58
|
1172 state = sw_status_text;
|
|
|
1173 break;
|
|
|
1174 case '.': /* IIS may send 403.1, 403.2, etc */
|
|
|
1175 state = sw_status_text;
|
|
|
1176 break;
|
|
|
1177 case CR:
|
|
|
1178 state = sw_almost_done;
|
|
|
1179 break;
|
|
|
1180 case LF:
|
|
|
1181 goto done;
|
|
|
1182 default:
|
|
|
1183 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1184 }
|
|
|
1185 break;
|
|
|
1186
|
|
|
1187 /* any text until end of line */
|
|
|
1188 case sw_status_text:
|
|
|
1189 switch (ch) {
|
|
|
1190 case CR:
|
|
|
1191 state = sw_almost_done;
|
|
|
1192
|
|
|
1193 break;
|
|
|
1194 case LF:
|
|
|
1195 goto done;
|
|
|
1196 }
|
|
|
1197 break;
|
|
|
1198
|
|
76
|
1199 /* end of status line */
|
|
58
|
1200 case sw_almost_done:
|
|
348
|
1201 ctx->status_end = p - 1;
|
|
58
|
1202 switch (ch) {
|
|
|
1203 case LF:
|
|
|
1204 goto done;
|
|
|
1205 default:
|
|
|
1206 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1207 }
|
|
|
1208 }
|
|
|
1209 }
|
|
|
1210
|
|
348
|
1211 u->buffer.pos = p;
|
|
58
|
1212 r->state = state;
|
|
|
1213
|
|
|
1214 return NGX_AGAIN;
|
|
|
1215
|
|
|
1216 done:
|
|
|
1217
|
|
348
|
1218 u->buffer.pos = p + 1;
|
|
|
1219
|
|
|
1220 if (ctx->status_end == NULL) {
|
|
|
1221 ctx->status_end = p;
|
|
58
|
1222 }
|
|
|
1223
|
|
|
1224 r->state = sw_start;
|
|
|
1225
|
|
|
1226 return NGX_OK;
|
|
|
1227 }
|
|
|
1228
|
|
|
1229
|
|
|
1230 static ngx_int_t
|
|
|
1231 ngx_http_proxy_process_header(ngx_http_request_t *r)
|
|
|
1232 {
|
|
|
1233 ngx_int_t rc;
|
|
|
1234 ngx_table_elt_t *h;
|
|
|
1235 ngx_http_upstream_header_t *hh;
|
|
|
1236 ngx_http_upstream_main_conf_t *umcf;
|
|
|
1237
|
|
|
1238 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
1239
|
|
378
|
1240 for ( ;; ) {
|
|
58
|
1241
|
|
412
|
1242 rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1);
|
|
58
|
1243
|
|
|
1244 if (rc == NGX_OK) {
|
|
|
1245
|
|
|
1246 /* a header line has been parsed successfully */
|
|
|
1247
|
|
|
1248 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1249 if (h == NULL) {
|
|
356
|
1250 return NGX_ERROR;
|
|
58
|
1251 }
|
|
|
1252
|
|
|
1253 h->hash = r->header_hash;
|
|
|
1254
|
|
|
1255 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
1256 h->value.len = r->header_end - r->header_start;
|
|
|
1257
|
|
382
|
1258 h->key.data = ngx_pnalloc(r->pool,
|
|
198
|
1259 h->key.len + 1 + h->value.len + 1 + h->key.len);
|
|
58
|
1260 if (h->key.data == NULL) {
|
|
356
|
1261 return NGX_ERROR;
|
|
58
|
1262 }
|
|
|
1263
|
|
|
1264 h->value.data = h->key.data + h->key.len + 1;
|
|
198
|
1265 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1;
|
|
58
|
1266
|
|
|
1267 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
|
1268 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
|
1269
|
|
198
|
1270 if (h->key.len == r->lowcase_index) {
|
|
|
1271 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
1272
|
|
|
1273 } else {
|
|
392
|
1274 ngx_strlow(h->lowcase_key, h->key.data, h->key.len);
|
|
58
|
1275 }
|
|
|
1276
|
|
198
|
1277 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash,
|
|
|
1278 h->lowcase_key, h->key.len);
|
|
|
1279
|
|
|
1280 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
356
|
1281 return NGX_ERROR;
|
|
198
|
1282 }
|
|
|
1283
|
|
58
|
1284 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1285 "http proxy header: \"%V: %V\"",
|
|
|
1286 &h->key, &h->value);
|
|
|
1287
|
|
|
1288 continue;
|
|
|
1289 }
|
|
|
1290
|
|
|
1291 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
|
1292
|
|
|
1293 /* a whole header has been parsed successfully */
|
|
|
1294
|
|
|
1295 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1296 "http proxy header done");
|
|
|
1297
|
|
198
|
1298 /*
|
|
|
1299 * if no "Server" and "Date" in header line,
|
|
|
1300 * then add the special empty headers
|
|
|
1301 */
|
|
|
1302
|
|
|
1303 if (r->upstream->headers_in.server == NULL) {
|
|
|
1304 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1305 if (h == NULL) {
|
|
356
|
1306 return NGX_ERROR;
|
|
198
|
1307 }
|
|
|
1308
|
|
|
1309 h->hash = ngx_hash(ngx_hash(ngx_hash(ngx_hash(
|
|
|
1310 ngx_hash('s', 'e'), 'r'), 'v'), 'e'), 'r');
|
|
|
1311
|
|
|
1312 h->key.len = sizeof("Server") - 1;
|
|
|
1313 h->key.data = (u_char *) "Server";
|
|
|
1314 h->value.len = 0;
|
|
|
1315 h->value.data = NULL;
|
|
|
1316 h->lowcase_key = (u_char *) "server";
|
|
|
1317 }
|
|
|
1318
|
|
|
1319 if (r->upstream->headers_in.date == NULL) {
|
|
|
1320 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1321 if (h == NULL) {
|
|
356
|
1322 return NGX_ERROR;
|
|
198
|
1323 }
|
|
|
1324
|
|
|
1325 h->hash = ngx_hash(ngx_hash(ngx_hash('d', 'a'), 't'), 'e');
|
|
|
1326
|
|
|
1327 h->key.len = sizeof("Date") - 1;
|
|
|
1328 h->key.data = (u_char *) "Date";
|
|
|
1329 h->value.len = 0;
|
|
|
1330 h->value.data = NULL;
|
|
|
1331 h->lowcase_key = (u_char *) "date";
|
|
|
1332 }
|
|
|
1333
|
|
58
|
1334 return NGX_OK;
|
|
|
1335 }
|
|
|
1336
|
|
70
|
1337 if (rc == NGX_AGAIN) {
|
|
|
1338 return NGX_AGAIN;
|
|
|
1339 }
|
|
|
1340
|
|
58
|
1341 /* there was error while a header line parsing */
|
|
|
1342
|
|
|
1343 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
168
|
1344 "upstream sent invalid header");
|
|
58
|
1345
|
|
|
1346 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1347 }
|
|
|
1348 }
|
|
|
1349
|
|
|
1350
|
|
|
1351 static void
|
|
|
1352 ngx_http_proxy_abort_request(ngx_http_request_t *r)
|
|
|
1353 {
|
|
|
1354 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1355 "abort http proxy request");
|
|
126
|
1356
|
|
58
|
1357 return;
|
|
|
1358 }
|
|
|
1359
|
|
|
1360
|
|
|
1361 static void
|
|
|
1362 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
126
|
1363 {
|
|
58
|
1364 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1365 "finalize http proxy request");
|
|
|
1366
|
|
|
1367 return;
|
|
|
1368 }
|
|
|
1369
|
|
|
1370
|
|
122
|
1371 static ngx_int_t
|
|
|
1372 ngx_http_proxy_host_variable(ngx_http_request_t *r,
|
|
|
1373 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1374 {
|
|
348
|
1375 ngx_http_proxy_ctx_t *ctx;
|
|
|
1376
|
|
|
1377 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1378
|
|
|
1379 if (ctx == NULL) {
|
|
|
1380 v->not_found = 1;
|
|
|
1381 return NGX_OK;
|
|
|
1382 }
|
|
|
1383
|
|
|
1384 v->len = ctx->vars.host_header.len;
|
|
126
|
1385 v->valid = 1;
|
|
340
|
1386 v->no_cacheable = 0;
|
|
122
|
1387 v->not_found = 0;
|
|
348
|
1388 v->data = ctx->vars.host_header.data;
|
|
58
|
1389
|
|
122
|
1390 return NGX_OK;
|
|
58
|
1391 }
|
|
|
1392
|
|
|
1393
|
|
122
|
1394 static ngx_int_t
|
|
|
1395 ngx_http_proxy_port_variable(ngx_http_request_t *r,
|
|
|
1396 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1397 {
|
|
348
|
1398 ngx_http_proxy_ctx_t *ctx;
|
|
|
1399
|
|
|
1400 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1401
|
|
|
1402 if (ctx == NULL) {
|
|
|
1403 v->not_found = 1;
|
|
|
1404 return NGX_OK;
|
|
|
1405 }
|
|
|
1406
|
|
|
1407 v->len = ctx->vars.port.len;
|
|
126
|
1408 v->valid = 1;
|
|
340
|
1409 v->no_cacheable = 0;
|
|
122
|
1410 v->not_found = 0;
|
|
348
|
1411 v->data = ctx->vars.port.data;
|
|
58
|
1412
|
|
122
|
1413 return NGX_OK;
|
|
58
|
1414 }
|
|
|
1415
|
|
|
1416
|
|
122
|
1417 static ngx_int_t
|
|
58
|
1418 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
|
|
122
|
1419 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1420 {
|
|
122
|
1421 u_char *p;
|
|
58
|
1422
|
|
126
|
1423 v->valid = 1;
|
|
340
|
1424 v->no_cacheable = 0;
|
|
122
|
1425 v->not_found = 0;
|
|
58
|
1426
|
|
|
1427 if (r->headers_in.x_forwarded_for == NULL) {
|
|
122
|
1428 v->len = r->connection->addr_text.len;
|
|
|
1429 v->data = r->connection->addr_text.data;
|
|
|
1430 return NGX_OK;
|
|
58
|
1431 }
|
|
|
1432
|
|
122
|
1433 v->len = r->headers_in.x_forwarded_for->value.len
|
|
|
1434 + sizeof(", ") - 1 + r->connection->addr_text.len;
|
|
58
|
1435
|
|
382
|
1436 p = ngx_pnalloc(r->pool, v->len);
|
|
58
|
1437 if (p == NULL) {
|
|
122
|
1438 return NGX_ERROR;
|
|
58
|
1439 }
|
|
|
1440
|
|
122
|
1441 v->data = p;
|
|
58
|
1442
|
|
122
|
1443 p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data,
|
|
|
1444 r->headers_in.x_forwarded_for->value.len);
|
|
58
|
1445
|
|
|
1446 *p++ = ','; *p++ = ' ';
|
|
|
1447
|
|
|
1448 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len);
|
|
|
1449
|
|
122
|
1450 return NGX_OK;
|
|
58
|
1451 }
|
|
|
1452
|
|
|
1453
|
|
|
1454 static ngx_int_t
|
|
126
|
1455 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
|
|
|
1456 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1457 {
|
|
348
|
1458 ngx_http_proxy_ctx_t *ctx;
|
|
|
1459
|
|
|
1460 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1461
|
|
|
1462 if (ctx == NULL) {
|
|
126
|
1463 v->not_found = 1;
|
|
|
1464 return NGX_OK;
|
|
|
1465 }
|
|
|
1466
|
|
|
1467 v->valid = 1;
|
|
340
|
1468 v->no_cacheable = 0;
|
|
126
|
1469 v->not_found = 0;
|
|
|
1470
|
|
382
|
1471 v->data = ngx_pnalloc(r->connection->pool, NGX_SIZE_T_LEN);
|
|
126
|
1472
|
|
|
1473 if (v->data == NULL) {
|
|
|
1474 return NGX_ERROR;
|
|
|
1475 }
|
|
|
1476
|
|
348
|
1477 v->len = ngx_sprintf(v->data, "%uz", ctx->internal_body_length) - v->data;
|
|
126
|
1478
|
|
|
1479 return NGX_OK;
|
|
|
1480 }
|
|
|
1481
|
|
|
1482
|
|
|
1483 static ngx_int_t
|
|
58
|
1484 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1485 size_t prefix)
|
|
|
1486 {
|
|
|
1487 ngx_int_t rc;
|
|
|
1488 ngx_uint_t i;
|
|
|
1489 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1490 ngx_http_proxy_redirect_t *pr;
|
|
|
1491
|
|
|
1492 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1493
|
|
|
1494 pr = plcf->redirects->elts;
|
|
|
1495
|
|
|
1496 if (pr == NULL) {
|
|
|
1497 return NGX_DECLINED;
|
|
|
1498 }
|
|
|
1499
|
|
|
1500 for (i = 0; i < plcf->redirects->nelts; i++) {
|
|
154
|
1501 rc = pr[i].handler(r, h, prefix, &pr[i]);
|
|
58
|
1502
|
|
|
1503 if (rc != NGX_DECLINED) {
|
|
|
1504 return rc;
|
|
|
1505 }
|
|
|
1506 }
|
|
|
1507
|
|
|
1508 return NGX_DECLINED;
|
|
|
1509 }
|
|
|
1510
|
|
|
1511
|
|
|
1512 static ngx_int_t
|
|
|
1513 ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1514 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1515 {
|
|
|
1516 size_t len;
|
|
|
1517 u_char *data, *p;
|
|
|
1518
|
|
|
1519 if (pr->redirect.len > h->value.len - prefix
|
|
|
1520 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1521 pr->redirect.len) != 0)
|
|
|
1522 {
|
|
|
1523 return NGX_DECLINED;
|
|
|
1524 }
|
|
|
1525
|
|
|
1526 len = prefix + pr->replacement.text.len + h->value.len - pr->redirect.len;
|
|
|
1527
|
|
382
|
1528 data = ngx_pnalloc(r->pool, len);
|
|
58
|
1529 if (data == NULL) {
|
|
|
1530 return NGX_ERROR;
|
|
|
1531 }
|
|
|
1532
|
|
|
1533 p = data;
|
|
|
1534
|
|
122
|
1535 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1536
|
|
202
|
1537 if (pr->replacement.text.len) {
|
|
|
1538 p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len);
|
|
|
1539 }
|
|
58
|
1540
|
|
|
1541 ngx_memcpy(p, h->value.data + prefix + pr->redirect.len,
|
|
|
1542 h->value.len - pr->redirect.len - prefix);
|
|
|
1543
|
|
|
1544 h->value.len = len;
|
|
|
1545 h->value.data = data;
|
|
|
1546
|
|
|
1547 return NGX_OK;
|
|
|
1548 }
|
|
|
1549
|
|
|
1550
|
|
|
1551 static ngx_int_t
|
|
|
1552 ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1553 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1554 {
|
|
|
1555 size_t len;
|
|
|
1556 u_char *data, *p;
|
|
|
1557 ngx_http_script_code_pt code;
|
|
|
1558 ngx_http_script_engine_t e;
|
|
|
1559 ngx_http_script_len_code_pt lcode;
|
|
|
1560
|
|
|
1561 if (pr->redirect.len > h->value.len - prefix
|
|
|
1562 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1563 pr->redirect.len) != 0)
|
|
|
1564 {
|
|
|
1565 return NGX_DECLINED;
|
|
|
1566 }
|
|
|
1567
|
|
|
1568 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
1569
|
|
|
1570 e.ip = pr->replacement.vars.lengths;
|
|
|
1571 e.request = r;
|
|
|
1572
|
|
238
|
1573 len = prefix + h->value.len - pr->redirect.len;
|
|
|
1574
|
|
|
1575 while (*(uintptr_t *) e.ip) {
|
|
58
|
1576 lcode = *(ngx_http_script_len_code_pt *) e.ip;
|
|
238
|
1577 len += lcode(&e);
|
|
58
|
1578 }
|
|
|
1579
|
|
382
|
1580 data = ngx_pnalloc(r->pool, len);
|
|
58
|
1581 if (data == NULL) {
|
|
|
1582 return NGX_ERROR;
|
|
|
1583 }
|
|
|
1584
|
|
|
1585 p = data;
|
|
|
1586
|
|
122
|
1587 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1588
|
|
|
1589 e.ip = pr->replacement.vars.values;
|
|
|
1590 e.pos = p;
|
|
|
1591
|
|
|
1592 while (*(uintptr_t *) e.ip) {
|
|
|
1593 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1594 code(&e);
|
|
|
1595 }
|
|
|
1596
|
|
238
|
1597 ngx_memcpy(e.pos, h->value.data + prefix + pr->redirect.len,
|
|
|
1598 h->value.len - pr->redirect.len - prefix);
|
|
|
1599
|
|
58
|
1600 h->value.len = len;
|
|
|
1601 h->value.data = data;
|
|
|
1602
|
|
|
1603 return NGX_OK;
|
|
|
1604 }
|
|
|
1605
|
|
|
1606
|
|
|
1607 static ngx_int_t
|
|
|
1608 ngx_http_proxy_add_variables(ngx_conf_t *cf)
|
|
|
1609 {
|
|
|
1610 ngx_http_variable_t *var, *v;
|
|
|
1611
|
|
|
1612 for (v = ngx_http_proxy_vars; v->name.len; v++) {
|
|
|
1613 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
1614 if (var == NULL) {
|
|
|
1615 return NGX_ERROR;
|
|
|
1616 }
|
|
|
1617
|
|
186
|
1618 var->get_handler = v->get_handler;
|
|
58
|
1619 var->data = v->data;
|
|
|
1620 }
|
|
|
1621
|
|
|
1622 return NGX_OK;
|
|
|
1623 }
|
|
|
1624
|
|
|
1625
|
|
|
1626 static void *
|
|
|
1627 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
|
|
|
1628 {
|
|
|
1629 ngx_http_proxy_loc_conf_t *conf;
|
|
|
1630
|
|
|
1631 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t));
|
|
|
1632 if (conf == NULL) {
|
|
|
1633 return NGX_CONF_ERROR;
|
|
|
1634 }
|
|
|
1635
|
|
|
1636 /*
|
|
|
1637 * set by ngx_pcalloc():
|
|
|
1638 *
|
|
|
1639 * conf->upstream.bufs.num = 0;
|
|
|
1640 * conf->upstream.next_upstream = 0;
|
|
|
1641 * conf->upstream.temp_path = NULL;
|
|
198
|
1642 * conf->upstream.hide_headers_hash = { NULL, 0 };
|
|
58
|
1643 * conf->upstream.uri = { 0, NULL };
|
|
|
1644 * conf->upstream.location = NULL;
|
|
320
|
1645 * conf->upstream.store_lengths = NULL;
|
|
|
1646 * conf->upstream.store_values = NULL;
|
|
58
|
1647 *
|
|
110
|
1648 * conf->method = NULL;
|
|
58
|
1649 * conf->headers_source = NULL;
|
|
|
1650 * conf->headers_set_len = NULL;
|
|
|
1651 * conf->headers_set = NULL;
|
|
|
1652 * conf->headers_set_hash = NULL;
|
|
126
|
1653 * conf->body_set_len = NULL;
|
|
|
1654 * conf->body_set = NULL;
|
|
|
1655 * conf->body_source = { 0, NULL };
|
|
58
|
1656 * conf->rewrite_locations = NULL;
|
|
|
1657 */
|
|
126
|
1658
|
|
320
|
1659 conf->upstream.store = NGX_CONF_UNSET;
|
|
|
1660 conf->upstream.store_access = NGX_CONF_UNSET_UINT;
|
|
130
|
1661 conf->upstream.buffering = NGX_CONF_UNSET;
|
|
178
|
1662 conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
|
|
130
|
1663
|
|
58
|
1664 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1665 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1666 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1667
|
|
|
1668 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
130
|
1669 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
78
|
1670
|
|
|
1671 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
126
|
1672 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
78
|
1673 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
58
|
1674
|
|
|
1675 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
|
1676 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
110
|
1677
|
|
356
|
1678 conf->upstream.hide_headers = NGX_CONF_UNSET_PTR;
|
|
|
1679 conf->upstream.pass_headers = NGX_CONF_UNSET_PTR;
|
|
|
1680
|
|
206
|
1681 conf->upstream.intercept_errors = NGX_CONF_UNSET;
|
|
398
|
1682 #if (NGX_HTTP_SSL)
|
|
|
1683 conf->upstream.ssl_session_reuse = NGX_CONF_UNSET;
|
|
|
1684 #endif
|
|
58
|
1685
|
|
|
1686 /* "proxy_cyclic_temp_file" is disabled */
|
|
|
1687 conf->upstream.cyclic_temp_file = 0;
|
|
|
1688
|
|
|
1689 conf->redirect = NGX_CONF_UNSET;
|
|
198
|
1690 conf->upstream.change_buffering = 1;
|
|
58
|
1691
|
|
298
|
1692 conf->headers_hash_max_size = NGX_CONF_UNSET_UINT;
|
|
|
1693 conf->headers_hash_bucket_size = NGX_CONF_UNSET_UINT;
|
|
|
1694
|
|
58
|
1695 return conf;
|
|
|
1696 }
|
|
|
1697
|
|
|
1698
|
|
|
1699 static char *
|
|
|
1700 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1701 {
|
|
|
1702 ngx_http_proxy_loc_conf_t *prev = parent;
|
|
|
1703 ngx_http_proxy_loc_conf_t *conf = child;
|
|
|
1704
|
|
|
1705 u_char *p;
|
|
|
1706 size_t size;
|
|
|
1707 uintptr_t *code;
|
|
356
|
1708 ngx_uint_t i;
|
|
198
|
1709 ngx_keyval_t *src, *s, *h;
|
|
|
1710 ngx_hash_key_t *hk;
|
|
|
1711 ngx_hash_init_t hash;
|
|
58
|
1712 ngx_http_proxy_redirect_t *pr;
|
|
|
1713 ngx_http_script_compile_t sc;
|
|
|
1714 ngx_http_script_copy_code_t *copy;
|
|
|
1715
|
|
320
|
1716 if (conf->upstream.store != 0) {
|
|
|
1717 ngx_conf_merge_value(conf->upstream.store,
|
|
|
1718 prev->upstream.store, 0);
|
|
|
1719
|
|
|
1720 if (conf->upstream.store_lengths == NULL) {
|
|
|
1721 conf->upstream.store_lengths = prev->upstream.store_lengths;
|
|
|
1722 conf->upstream.store_values = prev->upstream.store_values;
|
|
|
1723 }
|
|
|
1724 }
|
|
|
1725
|
|
|
1726 ngx_conf_merge_uint_value(conf->upstream.store_access,
|
|
|
1727 prev->upstream.store_access, 0600);
|
|
318
|
1728
|
|
130
|
1729 ngx_conf_merge_value(conf->upstream.buffering,
|
|
|
1730 prev->upstream.buffering, 1);
|
|
|
1731
|
|
178
|
1732 ngx_conf_merge_value(conf->upstream.ignore_client_abort,
|
|
|
1733 prev->upstream.ignore_client_abort, 0);
|
|
|
1734
|
|
58
|
1735 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
1736 prev->upstream.connect_timeout, 60000);
|
|
|
1737
|
|
|
1738 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
1739 prev->upstream.send_timeout, 60000);
|
|
|
1740
|
|
|
1741 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
1742 prev->upstream.read_timeout, 60000);
|
|
|
1743
|
|
|
1744 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
|
1745 prev->upstream.send_lowat, 0);
|
|
|
1746
|
|
130
|
1747 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
|
1748 prev->upstream.buffer_size,
|
|
58
|
1749 (size_t) ngx_pagesize);
|
|
|
1750
|
|
|
1751 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
|
1752 8, ngx_pagesize);
|
|
|
1753
|
|
|
1754 if (conf->upstream.bufs.num < 2) {
|
|
126
|
1755 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
58
|
1756 "there must be at least 2 \"proxy_buffers\"");
|
|
|
1757 return NGX_CONF_ERROR;
|
|
|
1758 }
|
|
126
|
1759
|
|
58
|
1760
|
|
130
|
1761 size = conf->upstream.buffer_size;
|
|
126
|
1762 if (size < conf->upstream.bufs.size) {
|
|
58
|
1763 size = conf->upstream.bufs.size;
|
|
|
1764 }
|
|
|
1765
|
|
|
1766
|
|
78
|
1767 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
|
1768 prev->upstream.busy_buffers_size_conf,
|
|
58
|
1769 NGX_CONF_UNSET_SIZE);
|
|
|
1770
|
|
78
|
1771 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1772 conf->upstream.busy_buffers_size = 2 * size;
|
|
78
|
1773 } else {
|
|
|
1774 conf->upstream.busy_buffers_size =
|
|
|
1775 conf->upstream.busy_buffers_size_conf;
|
|
|
1776 }
|
|
126
|
1777
|
|
78
|
1778 if (conf->upstream.busy_buffers_size < size) {
|
|
58
|
1779 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1780 "\"proxy_busy_buffers_size\" must be equal or bigger than "
|
|
288
|
1781 "maximum of the value of \"proxy_buffer_size\" and "
|
|
58
|
1782 "one of the \"proxy_buffers\"");
|
|
|
1783
|
|
|
1784 return NGX_CONF_ERROR;
|
|
78
|
1785 }
|
|
58
|
1786
|
|
78
|
1787 if (conf->upstream.busy_buffers_size
|
|
|
1788 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
58
|
1789 {
|
|
|
1790 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1791 "\"proxy_busy_buffers_size\" must be less than "
|
|
|
1792 "the size of all \"proxy_buffers\" minus one buffer");
|
|
|
1793
|
|
|
1794 return NGX_CONF_ERROR;
|
|
|
1795 }
|
|
78
|
1796
|
|
58
|
1797
|
|
78
|
1798 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
|
1799 prev->upstream.temp_file_write_size_conf,
|
|
58
|
1800 NGX_CONF_UNSET_SIZE);
|
|
|
1801
|
|
78
|
1802 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1803 conf->upstream.temp_file_write_size = 2 * size;
|
|
78
|
1804 } else {
|
|
|
1805 conf->upstream.temp_file_write_size =
|
|
|
1806 conf->upstream.temp_file_write_size_conf;
|
|
|
1807 }
|
|
126
|
1808
|
|
78
|
1809 if (conf->upstream.temp_file_write_size < size) {
|
|
58
|
1810 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1811 "\"proxy_temp_file_write_size\" must be equal or bigger than "
|
|
288
|
1812 "maximum of the value of \"proxy_buffer_size\" and "
|
|
58
|
1813 "one of the \"proxy_buffers\"");
|
|
|
1814
|
|
|
1815 return NGX_CONF_ERROR;
|
|
|
1816 }
|
|
|
1817
|
|
78
|
1818 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
|
1819 prev->upstream.max_temp_file_size_conf,
|
|
58
|
1820 NGX_CONF_UNSET_SIZE);
|
|
|
1821
|
|
78
|
1822 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1823 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
78
|
1824 } else {
|
|
|
1825 conf->upstream.max_temp_file_size =
|
|
|
1826 conf->upstream.max_temp_file_size_conf;
|
|
|
1827 }
|
|
58
|
1828
|
|
78
|
1829 if (conf->upstream.max_temp_file_size != 0
|
|
|
1830 && conf->upstream.max_temp_file_size < size)
|
|
58
|
1831 {
|
|
|
1832 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
110
|
1833 "\"proxy_max_temp_file_size\" must be equal to zero to disable "
|
|
58
|
1834 "the temporary files usage or must be equal or bigger than "
|
|
288
|
1835 "maximum of the value of \"proxy_buffer_size\" and "
|
|
110
|
1836 "one of the \"proxy_buffers\"");
|
|
58
|
1837
|
|
|
1838 return NGX_CONF_ERROR;
|
|
|
1839 }
|
|
|
1840
|
|
78
|
1841
|
|
58
|
1842 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
1843 prev->upstream.next_upstream,
|
|
|
1844 (NGX_CONF_BITMASK_SET
|
|
|
1845 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
1846 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
1847
|
|
214
|
1848 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
1849 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
|
|
|
1850 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
1851 }
|
|
|
1852
|
|
58
|
1853 ngx_conf_merge_path_value(conf->upstream.temp_path,
|
|
|
1854 prev->upstream.temp_path,
|
|
|
1855 NGX_HTTP_PROXY_TEMP_PATH, 1, 2, 0,
|
|
|
1856 ngx_garbage_collector_temp_handler, cf);
|
|
|
1857
|
|
110
|
1858 if (conf->method.len == 0) {
|
|
|
1859 conf->method = prev->method;
|
|
|
1860
|
|
|
1861 } else {
|
|
|
1862 conf->method.data[conf->method.len] = ' ';
|
|
|
1863 conf->method.len++;
|
|
58
|
1864 }
|
|
|
1865
|
|
|
1866 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
|
1867 prev->upstream.pass_request_headers, 1);
|
|
|
1868 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
|
1869 prev->upstream.pass_request_body, 1);
|
|
|
1870
|
|
206
|
1871 ngx_conf_merge_value(conf->upstream.intercept_errors,
|
|
|
1872 prev->upstream.intercept_errors, 0);
|
|
58
|
1873
|
|
398
|
1874 #if (NGX_HTTP_SSL)
|
|
|
1875 ngx_conf_merge_value(conf->upstream.ssl_session_reuse,
|
|
|
1876 prev->upstream.ssl_session_reuse, 1);
|
|
|
1877 #endif
|
|
|
1878
|
|
58
|
1879 ngx_conf_merge_value(conf->redirect, prev->redirect, 1);
|
|
|
1880
|
|
|
1881 if (conf->redirect) {
|
|
|
1882
|
|
|
1883 if (conf->redirects == NULL) {
|
|
|
1884 conf->redirects = prev->redirects;
|
|
|
1885 }
|
|
|
1886
|
|
348
|
1887 if (conf->redirects == NULL && conf->url.data) {
|
|
58
|
1888
|
|
|
1889 conf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
1890 sizeof(ngx_http_proxy_redirect_t));
|
|
|
1891 if (conf->redirects == NULL) {
|
|
|
1892 return NGX_CONF_ERROR;
|
|
|
1893 }
|
|
|
1894
|
|
|
1895 pr = ngx_array_push(conf->redirects);
|
|
|
1896 if (pr == NULL) {
|
|
|
1897 return NGX_CONF_ERROR;
|
|
|
1898 }
|
|
|
1899
|
|
|
1900 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
348
|
1901 pr->redirect = conf->url;
|
|
|
1902
|
|
|
1903 if (conf->vars.uri.len) {
|
|
|
1904 pr->replacement.text = conf->location;
|
|
202
|
1905
|
|
|
1906 } else {
|
|
|
1907 pr->replacement.text.len = 0;
|
|
|
1908 pr->replacement.text.data = NULL;
|
|
|
1909 }
|
|
58
|
1910 }
|
|
|
1911 }
|
|
|
1912
|
|
348
|
1913 /* STUB */
|
|
|
1914 if (prev->proxy_lengths) {
|
|
|
1915 conf->proxy_lengths = prev->proxy_lengths;
|
|
|
1916 conf->proxy_values = prev->proxy_values;
|
|
|
1917 }
|
|
|
1918
|
|
298
|
1919 ngx_conf_merge_uint_value(conf->headers_hash_max_size,
|
|
|
1920 prev->headers_hash_max_size, 512);
|
|
|
1921
|
|
|
1922 ngx_conf_merge_uint_value(conf->headers_hash_bucket_size,
|
|
|
1923 prev->headers_hash_bucket_size, 64);
|
|
|
1924
|
|
|
1925 conf->headers_hash_bucket_size = ngx_align(conf->headers_hash_bucket_size,
|
|
|
1926 ngx_cacheline_size);
|
|
|
1927
|
|
356
|
1928 hash.max_size = conf->headers_hash_max_size;
|
|
|
1929 hash.bucket_size = conf->headers_hash_bucket_size;
|
|
|
1930 hash.name = "proxy_headers_hash";
|
|
|
1931
|
|
|
1932 if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream,
|
|
|
1933 &prev->upstream,
|
|
|
1934 ngx_http_proxy_hide_headers, &hash)
|
|
198
|
1935 != NGX_OK)
|
|
|
1936 {
|
|
|
1937 return NGX_CONF_ERROR;
|
|
|
1938 }
|
|
|
1939
|
|
260
|
1940 if (conf->upstream.upstream == NULL) {
|
|
|
1941 conf->upstream.upstream = prev->upstream.upstream;
|
|
348
|
1942 conf->vars = prev->vars;
|
|
58
|
1943 }
|
|
|
1944
|
|
126
|
1945
|
|
|
1946 if (conf->body_source.data == NULL) {
|
|
|
1947 conf->body_source = prev->body_source;
|
|
|
1948 conf->body_set_len = prev->body_set_len;
|
|
|
1949 conf->body_set = prev->body_set;
|
|
|
1950 }
|
|
|
1951
|
|
128
|
1952 if (conf->body_source.data && conf->body_set_len == NULL) {
|
|
126
|
1953
|
|
|
1954 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1955
|
|
|
1956 sc.cf = cf;
|
|
|
1957 sc.source = &conf->body_source;
|
|
|
1958 sc.flushes = &conf->flushes;
|
|
|
1959 sc.lengths = &conf->body_set_len;
|
|
|
1960 sc.values = &conf->body_set;
|
|
|
1961 sc.complete_lengths = 1;
|
|
|
1962 sc.complete_values = 1;
|
|
|
1963
|
|
|
1964 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1965 return NGX_CONF_ERROR;
|
|
|
1966 }
|
|
|
1967
|
|
|
1968 if (conf->headers_source == NULL) {
|
|
|
1969 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
1970 sizeof(ngx_keyval_t));
|
|
126
|
1971 if (conf->headers_source == NULL) {
|
|
|
1972 return NGX_CONF_ERROR;
|
|
|
1973 }
|
|
|
1974 }
|
|
|
1975
|
|
|
1976 s = ngx_array_push(conf->headers_source);
|
|
|
1977 if (s == NULL) {
|
|
|
1978 return NGX_CONF_ERROR;
|
|
|
1979 }
|
|
|
1980
|
|
|
1981 s->key.len = sizeof("Content-Length") - 1;
|
|
|
1982 s->key.data = (u_char *) "Content-Length";
|
|
|
1983 s->value.len = sizeof("$proxy_internal_body_length") - 1;
|
|
|
1984 s->value.data = (u_char *) "$proxy_internal_body_length";
|
|
|
1985 }
|
|
|
1986
|
|
|
1987
|
|
58
|
1988 if (conf->headers_source == NULL) {
|
|
122
|
1989 conf->flushes = prev->flushes;
|
|
58
|
1990 conf->headers_set_len = prev->headers_set_len;
|
|
|
1991 conf->headers_set = prev->headers_set;
|
|
|
1992 conf->headers_set_hash = prev->headers_set_hash;
|
|
122
|
1993 conf->headers_source = prev->headers_source;
|
|
58
|
1994 }
|
|
|
1995
|
|
198
|
1996 if (conf->headers_set_hash.buckets) {
|
|
58
|
1997 return NGX_CONF_OK;
|
|
|
1998 }
|
|
|
1999
|
|
|
2000
|
|
198
|
2001 conf->headers_names = ngx_array_create(cf->pool, 4, sizeof(ngx_hash_key_t));
|
|
58
|
2002 if (conf->headers_names == NULL) {
|
|
|
2003 return NGX_CONF_ERROR;
|
|
|
2004 }
|
|
|
2005
|
|
|
2006 if (conf->headers_source == NULL) {
|
|
|
2007 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
2008 sizeof(ngx_keyval_t));
|
|
58
|
2009 if (conf->headers_source == NULL) {
|
|
|
2010 return NGX_CONF_ERROR;
|
|
|
2011 }
|
|
|
2012 }
|
|
|
2013
|
|
|
2014 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1);
|
|
|
2015 if (conf->headers_set_len == NULL) {
|
|
|
2016 return NGX_CONF_ERROR;
|
|
|
2017 }
|
|
|
2018
|
|
|
2019 conf->headers_set = ngx_array_create(cf->pool, 512, 1);
|
|
|
2020 if (conf->headers_set == NULL) {
|
|
|
2021 return NGX_CONF_ERROR;
|
|
|
2022 }
|
|
|
2023
|
|
|
2024
|
|
|
2025 src = conf->headers_source->elts;
|
|
|
2026
|
|
|
2027 for (h = ngx_http_proxy_headers; h->key.len; h++) {
|
|
|
2028
|
|
|
2029 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
2030 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
|
2031 goto next;
|
|
|
2032 }
|
|
|
2033 }
|
|
|
2034
|
|
|
2035 s = ngx_array_push(conf->headers_source);
|
|
|
2036 if (s == NULL) {
|
|
|
2037 return NGX_CONF_ERROR;
|
|
|
2038 }
|
|
|
2039
|
|
|
2040 *s = *h;
|
|
|
2041
|
|
66
|
2042 src = conf->headers_source->elts;
|
|
|
2043
|
|
58
|
2044 next:
|
|
|
2045
|
|
|
2046 continue;
|
|
|
2047 }
|
|
|
2048
|
|
126
|
2049
|
|
|
2050 src = conf->headers_source->elts;
|
|
58
|
2051 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
2052
|
|
198
|
2053 hk = ngx_array_push(conf->headers_names);
|
|
|
2054 if (hk == NULL) {
|
|
58
|
2055 return NGX_CONF_ERROR;
|
|
|
2056 }
|
|
|
2057
|
|
198
|
2058 hk->key = src[i].key;
|
|
|
2059 hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len);
|
|
|
2060 hk->value = (void *) 1;
|
|
58
|
2061
|
|
68
|
2062 if (src[i].value.len == 0) {
|
|
|
2063 continue;
|
|
|
2064 }
|
|
|
2065
|
|
58
|
2066 if (ngx_http_script_variables_count(&src[i].value) == 0) {
|
|
|
2067 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2068 sizeof(ngx_http_script_copy_code_t));
|
|
|
2069 if (copy == NULL) {
|
|
|
2070 return NGX_CONF_ERROR;
|
|
|
2071 }
|
|
|
2072
|
|
|
2073 copy->code = (ngx_http_script_code_pt)
|
|
|
2074 ngx_http_script_copy_len_code;
|
|
|
2075 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
2076 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
2077
|
|
|
2078
|
|
|
2079 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2080 + src[i].key.len + sizeof(": ") - 1
|
|
|
2081 + src[i].value.len + sizeof(CRLF) - 1
|
|
|
2082 + sizeof(uintptr_t) - 1)
|
|
|
2083 & ~(sizeof(uintptr_t) - 1);
|
|
|
2084
|
|
|
2085 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2086 if (copy == NULL) {
|
|
|
2087 return NGX_CONF_ERROR;
|
|
|
2088 }
|
|
|
2089
|
|
|
2090 copy->code = ngx_http_script_copy_code;
|
|
|
2091 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
2092 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
2093
|
|
|
2094 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2095
|
|
|
2096 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
2097 *p++ = ':'; *p++ = ' ';
|
|
|
2098 p = ngx_cpymem(p, src[i].value.data, src[i].value.len);
|
|
|
2099 *p++ = CR; *p = LF;
|
|
|
2100
|
|
|
2101 } else {
|
|
|
2102 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2103 sizeof(ngx_http_script_copy_code_t));
|
|
|
2104 if (copy == NULL) {
|
|
|
2105 return NGX_CONF_ERROR;
|
|
|
2106 }
|
|
|
2107
|
|
|
2108 copy->code = (ngx_http_script_code_pt)
|
|
|
2109 ngx_http_script_copy_len_code;
|
|
|
2110 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
2111
|
|
|
2112
|
|
|
2113 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2114 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1)
|
|
|
2115 & ~(sizeof(uintptr_t) - 1);
|
|
|
2116
|
|
|
2117 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2118 if (copy == NULL) {
|
|
|
2119 return NGX_CONF_ERROR;
|
|
|
2120 }
|
|
|
2121
|
|
|
2122 copy->code = ngx_http_script_copy_code;
|
|
|
2123 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
2124
|
|
|
2125 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2126 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
2127 *p++ = ':'; *p = ' ';
|
|
|
2128
|
|
|
2129
|
|
|
2130 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2131
|
|
|
2132 sc.cf = cf;
|
|
|
2133 sc.source = &src[i].value;
|
|
122
|
2134 sc.flushes = &conf->flushes;
|
|
58
|
2135 sc.lengths = &conf->headers_set_len;
|
|
|
2136 sc.values = &conf->headers_set;
|
|
|
2137
|
|
|
2138 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2139 return NGX_CONF_ERROR;
|
|
|
2140 }
|
|
|
2141
|
|
|
2142
|
|
|
2143 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2144 sizeof(ngx_http_script_copy_code_t));
|
|
|
2145 if (copy == NULL) {
|
|
|
2146 return NGX_CONF_ERROR;
|
|
|
2147 }
|
|
|
2148
|
|
|
2149 copy->code = (ngx_http_script_code_pt)
|
|
|
2150 ngx_http_script_copy_len_code;
|
|
|
2151 copy->len = sizeof(CRLF) - 1;
|
|
|
2152
|
|
|
2153
|
|
|
2154 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2155 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1)
|
|
|
2156 & ~(sizeof(uintptr_t) - 1);
|
|
|
2157
|
|
|
2158 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2159 if (copy == NULL) {
|
|
|
2160 return NGX_CONF_ERROR;
|
|
|
2161 }
|
|
|
2162
|
|
|
2163 copy->code = ngx_http_script_copy_code;
|
|
|
2164 copy->len = sizeof(CRLF) - 1;
|
|
|
2165
|
|
|
2166 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2167 *p++ = CR; *p = LF;
|
|
|
2168 }
|
|
|
2169
|
|
|
2170 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2171 if (code == NULL) {
|
|
|
2172 return NGX_CONF_ERROR;
|
|
|
2173 }
|
|
|
2174
|
|
|
2175 *code = (uintptr_t) NULL;
|
|
|
2176
|
|
|
2177 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t));
|
|
|
2178 if (code == NULL) {
|
|
|
2179 return NGX_CONF_ERROR;
|
|
|
2180 }
|
|
|
2181
|
|
|
2182 *code = (uintptr_t) NULL;
|
|
|
2183 }
|
|
|
2184
|
|
|
2185 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2186 if (code == NULL) {
|
|
|
2187 return NGX_CONF_ERROR;
|
|
|
2188 }
|
|
|
2189
|
|
|
2190 *code = (uintptr_t) NULL;
|
|
|
2191
|
|
|
2192
|
|
198
|
2193 hash.hash = &conf->headers_set_hash;
|
|
|
2194 hash.key = ngx_hash_key_lc;
|
|
298
|
2195 hash.max_size = conf->headers_hash_max_size;
|
|
|
2196 hash.bucket_size = conf->headers_hash_bucket_size;
|
|
|
2197 hash.name = "proxy_headers_hash";
|
|
198
|
2198 hash.pool = cf->pool;
|
|
|
2199 hash.temp_pool = NULL;
|
|
|
2200
|
|
|
2201 if (ngx_hash_init(&hash, conf->headers_names->elts,
|
|
|
2202 conf->headers_names->nelts)
|
|
|
2203 != NGX_OK)
|
|
|
2204 {
|
|
|
2205 return NGX_CONF_ERROR;
|
|
|
2206 }
|
|
|
2207
|
|
58
|
2208 return NGX_CONF_OK;
|
|
|
2209 }
|
|
|
2210
|
|
|
2211
|
|
|
2212 static char *
|
|
|
2213 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2214 {
|
|
|
2215 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2216
|
|
348
|
2217 size_t add;
|
|
|
2218 u_short port;
|
|
|
2219 ngx_str_t *value, *url;
|
|
|
2220 ngx_url_t u;
|
|
|
2221 ngx_uint_t n;
|
|
|
2222 ngx_http_core_loc_conf_t *clcf;
|
|
|
2223 ngx_http_script_compile_t sc;
|
|
58
|
2224
|
|
430
|
2225 if (plcf->upstream.upstream || plcf->proxy_lengths) {
|
|
104
|
2226 return "is duplicate";
|
|
|
2227 }
|
|
|
2228
|
|
348
|
2229 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
2230
|
|
58
|
2231 value = cf->args->elts;
|
|
|
2232
|
|
|
2233 url = &value[1];
|
|
|
2234
|
|
348
|
2235 n = ngx_http_script_variables_count(url);
|
|
|
2236
|
|
|
2237 if (n) {
|
|
|
2238
|
|
|
2239 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2240
|
|
|
2241 sc.cf = cf;
|
|
|
2242 sc.source = url;
|
|
|
2243 sc.lengths = &plcf->proxy_lengths;
|
|
|
2244 sc.values = &plcf->proxy_values;
|
|
|
2245 sc.variables = n;
|
|
|
2246 sc.complete_lengths = 1;
|
|
|
2247 sc.complete_values = 1;
|
|
354
|
2248
|
|
348
|
2249 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2250 return NGX_CONF_ERROR;
|
|
|
2251 }
|
|
|
2252
|
|
|
2253 #if (NGX_HTTP_SSL)
|
|
|
2254 if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) {
|
|
|
2255 return NGX_CONF_ERROR;
|
|
|
2256 }
|
|
|
2257 #endif
|
|
|
2258
|
|
|
2259 clcf->handler = ngx_http_proxy_handler;
|
|
|
2260
|
|
|
2261 return NGX_CONF_OK;
|
|
|
2262 }
|
|
|
2263
|
|
286
|
2264 if (ngx_strncasecmp(url->data, (u_char *) "http://", 7) == 0) {
|
|
126
|
2265 add = 7;
|
|
140
|
2266 port = 80;
|
|
126
|
2267
|
|
286
|
2268 } else if (ngx_strncasecmp(url->data, (u_char *) "https://", 8) == 0) {
|
|
126
|
2269
|
|
|
2270 #if (NGX_HTTP_SSL)
|
|
348
|
2271 if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) {
|
|
|
2272 return NGX_CONF_ERROR;
|
|
|
2273 }
|
|
126
|
2274
|
|
|
2275 add = 8;
|
|
140
|
2276 port = 443;
|
|
126
|
2277 #else
|
|
|
2278 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2279 "https protocol requires SSL support");
|
|
|
2280 return NGX_CONF_ERROR;
|
|
|
2281 #endif
|
|
|
2282
|
|
|
2283 } else {
|
|
58
|
2284 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix");
|
|
|
2285 return NGX_CONF_ERROR;
|
|
|
2286 }
|
|
|
2287
|
|
200
|
2288 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
|
2289
|
|
|
2290 u.url.len = url->len - add;
|
|
|
2291 u.url.data = url->data + add;
|
|
266
|
2292 u.default_port = port;
|
|
|
2293 u.uri_part = 1;
|
|
260
|
2294 u.no_resolve = 1;
|
|
|
2295
|
|
|
2296 plcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
|
|
|
2297 if (plcf->upstream.upstream == NULL) {
|
|
58
|
2298 return NGX_CONF_ERROR;
|
|
|
2299 }
|
|
|
2300
|
|
348
|
2301 if (ngx_http_proxy_set_vars(cf->pool, &u, &plcf->vars) != NGX_OK) {
|
|
|
2302 return NGX_CONF_ERROR;
|
|
266
|
2303 }
|
|
|
2304
|
|
430
|
2305 plcf->vars.schema.len = add;
|
|
|
2306 plcf->vars.schema.data = url->data;
|
|
348
|
2307 plcf->location = clcf->name;
|
|
58
|
2308
|
|
|
2309 clcf->handler = ngx_http_proxy_handler;
|
|
|
2310
|
|
324
|
2311 if (clcf->named
|
|
58
|
2312 #if (NGX_PCRE)
|
|
324
|
2313 || clcf->regex
|
|
|
2314 #endif
|
|
|
2315 || clcf->noname)
|
|
|
2316 {
|
|
348
|
2317 if (plcf->vars.uri.len) {
|
|
122
|
2318 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2319 "\"proxy_pass\" may not have URI part in "
|
|
256
|
2320 "location given by regular expression, "
|
|
324
|
2321 "or inside named location, "
|
|
256
|
2322 "or inside the \"if\" statement, "
|
|
|
2323 "or inside the \"limit_except\" block");
|
|
122
|
2324 return NGX_CONF_ERROR;
|
|
|
2325 }
|
|
|
2326
|
|
348
|
2327 plcf->location.len = 0;
|
|
104
|
2328 }
|
|
|
2329
|
|
348
|
2330 plcf->url = *url;
|
|
58
|
2331
|
|
|
2332 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
2333 clcf->auto_redirect = 1;
|
|
|
2334 }
|
|
|
2335
|
|
|
2336 return NGX_CONF_OK;
|
|
|
2337 }
|
|
|
2338
|
|
|
2339
|
|
|
2340 static char *
|
|
|
2341 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2342 {
|
|
|
2343 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2344
|
|
|
2345 ngx_str_t *value;
|
|
|
2346 ngx_array_t *vars_lengths, *vars_values;
|
|
|
2347 ngx_http_script_compile_t sc;
|
|
|
2348 ngx_http_proxy_redirect_t *pr;
|
|
|
2349
|
|
|
2350 if (plcf->redirect == 0) {
|
|
|
2351 return NGX_CONF_OK;
|
|
|
2352 }
|
|
|
2353
|
|
|
2354 value = cf->args->elts;
|
|
|
2355
|
|
|
2356 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2357 plcf->redirect = 0;
|
|
|
2358 plcf->redirects = NULL;
|
|
|
2359 return NGX_CONF_OK;
|
|
|
2360 }
|
|
|
2361
|
|
|
2362 if (plcf->redirects == NULL) {
|
|
|
2363 plcf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
2364 sizeof(ngx_http_proxy_redirect_t));
|
|
|
2365 if (plcf->redirects == NULL) {
|
|
|
2366 return NGX_CONF_ERROR;
|
|
|
2367 }
|
|
|
2368 }
|
|
|
2369
|
|
|
2370 pr = ngx_array_push(plcf->redirects);
|
|
|
2371 if (pr == NULL) {
|
|
|
2372 return NGX_CONF_ERROR;
|
|
|
2373 }
|
|
|
2374
|
|
|
2375 if (cf->args->nelts == 2 && ngx_strcmp(value[1].data, "default") == 0) {
|
|
348
|
2376 if (plcf->url.data == NULL) {
|
|
58
|
2377 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2378 "\"proxy_rewrite_location default\" must go "
|
|
|
2379 "after the \"proxy_pass\" directive");
|
|
|
2380 return NGX_CONF_ERROR;
|
|
|
2381 }
|
|
|
2382
|
|
|
2383 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
348
|
2384 pr->redirect = plcf->url;
|
|
|
2385
|
|
|
2386 if (plcf->vars.uri.len) {
|
|
|
2387 pr->replacement.text = plcf->location;
|
|
202
|
2388
|
|
|
2389 } else {
|
|
|
2390 pr->replacement.text.len = 0;
|
|
|
2391 pr->replacement.text.data = NULL;
|
|
|
2392 }
|
|
58
|
2393
|
|
|
2394 return NGX_CONF_OK;
|
|
|
2395 }
|
|
|
2396
|
|
|
2397 if (ngx_http_script_variables_count(&value[2]) == 0) {
|
|
|
2398 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2399 pr->redirect = value[1];
|
|
|
2400 pr->replacement.text = value[2];
|
|
|
2401
|
|
|
2402 return NGX_CONF_OK;
|
|
|
2403 }
|
|
|
2404
|
|
|
2405 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2406
|
|
|
2407 vars_lengths = NULL;
|
|
|
2408 vars_values = NULL;
|
|
|
2409
|
|
|
2410 sc.cf = cf;
|
|
|
2411 sc.source = &value[2];
|
|
|
2412 sc.lengths = &vars_lengths;
|
|
|
2413 sc.values = &vars_values;
|
|
|
2414 sc.complete_lengths = 1;
|
|
|
2415 sc.complete_values = 1;
|
|
|
2416
|
|
|
2417 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2418 return NGX_CONF_ERROR;
|
|
|
2419 }
|
|
|
2420
|
|
|
2421 pr->handler = ngx_http_proxy_rewrite_redirect_vars;
|
|
|
2422 pr->redirect = value[1];
|
|
|
2423 pr->replacement.vars.lengths = vars_lengths->elts;
|
|
|
2424 pr->replacement.vars.values = vars_values->elts;
|
|
|
2425
|
|
|
2426 return NGX_CONF_OK;
|
|
|
2427 }
|
|
|
2428
|
|
|
2429
|
|
|
2430 static char *
|
|
320
|
2431 ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2432 {
|
|
|
2433 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2434
|
|
|
2435 ngx_str_t *value;
|
|
|
2436 ngx_http_script_compile_t sc;
|
|
|
2437
|
|
|
2438 if (plcf->upstream.store != NGX_CONF_UNSET || plcf->upstream.store_lengths)
|
|
|
2439 {
|
|
|
2440 return "is duplicate";
|
|
|
2441 }
|
|
|
2442
|
|
|
2443 value = cf->args->elts;
|
|
|
2444
|
|
|
2445 if (ngx_strcmp(value[1].data, "on") == 0) {
|
|
|
2446 plcf->upstream.store = 1;
|
|
|
2447 return NGX_CONF_OK;
|
|
|
2448 }
|
|
|
2449
|
|
|
2450 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2451 plcf->upstream.store = 0;
|
|
|
2452 return NGX_CONF_OK;
|
|
|
2453 }
|
|
|
2454
|
|
|
2455 /* include the terminating '\0' into script */
|
|
|
2456 value[1].len++;
|
|
|
2457
|
|
|
2458 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2459
|
|
|
2460 sc.cf = cf;
|
|
|
2461 sc.source = &value[1];
|
|
|
2462 sc.lengths = &plcf->upstream.store_lengths;
|
|
|
2463 sc.values = &plcf->upstream.store_values;
|
|
340
|
2464 sc.variables = ngx_http_script_variables_count(&value[1]);
|
|
320
|
2465 sc.complete_lengths = 1;
|
|
|
2466 sc.complete_values = 1;
|
|
|
2467
|
|
|
2468 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2469 return NGX_CONF_ERROR;
|
|
|
2470 }
|
|
|
2471
|
|
|
2472 return NGX_CONF_OK;
|
|
|
2473 }
|
|
|
2474
|
|
|
2475
|
|
|
2476 static char *
|
|
58
|
2477 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data)
|
|
|
2478 {
|
|
|
2479 #if (NGX_FREEBSD)
|
|
|
2480 ssize_t *np = data;
|
|
|
2481
|
|
222
|
2482 if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) {
|
|
58
|
2483 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2484 "\"proxy_send_lowat\" must be less than %d "
|
|
|
2485 "(sysctl net.inet.tcp.sendspace)",
|
|
|
2486 ngx_freebsd_net_inet_tcp_sendspace);
|
|
|
2487
|
|
|
2488 return NGX_CONF_ERROR;
|
|
|
2489 }
|
|
|
2490
|
|
|
2491 #elif !(NGX_HAVE_SO_SNDLOWAT)
|
|
|
2492 ssize_t *np = data;
|
|
|
2493
|
|
|
2494 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
2495 "\"proxy_send_lowat\" is not supported, ignored");
|
|
|
2496
|
|
|
2497 *np = 0;
|
|
|
2498
|
|
|
2499 #endif
|
|
|
2500
|
|
|
2501 return NGX_CONF_OK;
|
|
|
2502 }
|
|
260
|
2503
|
|
|
2504
|
|
|
2505 static char *
|
|
|
2506 ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf,
|
|
|
2507 ngx_command_t *cmd, void *conf)
|
|
|
2508 {
|
|
|
2509 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2510 "\"proxy_upstream_max_fails\" is not supported, "
|
|
|
2511 "use the \"max_fails\" parameter of the \"server\" directive ",
|
|
|
2512 "inside the \"upstream\" block");
|
|
|
2513
|
|
|
2514 return NGX_CONF_ERROR;
|
|
|
2515 }
|
|
|
2516
|
|
|
2517
|
|
|
2518 static char *
|
|
|
2519 ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
|
|
|
2520 ngx_command_t *cmd, void *conf)
|
|
|
2521 {
|
|
|
2522 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2523 "\"proxy_upstream_fail_timeout\" is not supported, "
|
|
|
2524 "use the \"fail_timeout\" parameter of the \"server\" directive ",
|
|
|
2525 "inside the \"upstream\" block");
|
|
|
2526
|
|
|
2527 return NGX_CONF_ERROR;
|
|
|
2528 }
|
|
348
|
2529
|
|
|
2530
|
|
|
2531 #if (NGX_HTTP_SSL)
|
|
|
2532
|
|
|
2533 static ngx_int_t
|
|
|
2534 ngx_http_proxy_set_ssl(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *plcf)
|
|
|
2535 {
|
|
|
2536 ngx_pool_cleanup_t *cln;
|
|
|
2537
|
|
|
2538 plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t));
|
|
|
2539 if (plcf->upstream.ssl == NULL) {
|
|
|
2540 return NGX_ERROR;
|
|
|
2541 }
|
|
|
2542
|
|
|
2543 plcf->upstream.ssl->log = cf->log;
|
|
|
2544
|
|
|
2545 if (ngx_ssl_create(plcf->upstream.ssl,
|
|
|
2546 NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1, NULL)
|
|
|
2547 != NGX_OK)
|
|
|
2548 {
|
|
|
2549 return NGX_ERROR;
|
|
|
2550 }
|
|
|
2551
|
|
|
2552 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
2553 if (cln == NULL) {
|
|
|
2554 return NGX_ERROR;
|
|
|
2555 }
|
|
|
2556
|
|
|
2557 cln->handler = ngx_ssl_cleanup_ctx;
|
|
|
2558 cln->data = plcf->upstream.ssl;
|
|
|
2559
|
|
|
2560 return NGX_OK;
|
|
|
2561 }
|
|
|
2562
|
|
|
2563 #endif
|
|
|
2564
|
|
|
2565
|
|
|
2566 static ngx_int_t
|
|
|
2567 ngx_http_proxy_set_vars(ngx_pool_t *pool, ngx_url_t *u,
|
|
|
2568 ngx_http_proxy_vars_t *v)
|
|
|
2569 {
|
|
400
|
2570 if (u->family != AF_UNIX) {
|
|
348
|
2571 if (u->no_port || u->port == u->default_port) {
|
|
|
2572 v->host_header = u->host;
|
|
|
2573
|
|
|
2574 if (u->default_port == 80) {
|
|
|
2575 v->port.len = sizeof("80") - 1;
|
|
|
2576 v->port.data = (u_char *) "80";
|
|
|
2577
|
|
|
2578 } else {
|
|
|
2579 v->port.len = sizeof("443") - 1;
|
|
|
2580 v->port.data = (u_char *) "443";
|
|
|
2581 }
|
|
|
2582
|
|
|
2583 } else {
|
|
354
|
2584 v->host_header.len = u->host.len + 1 + u->port_text.len;
|
|
|
2585 v->host_header.data = u->host.data;
|
|
|
2586 v->port = u->port_text;
|
|
348
|
2587 }
|
|
|
2588
|
|
|
2589 } else {
|
|
|
2590 v->host_header.len = sizeof("localhost") - 1;
|
|
|
2591 v->host_header.data = (u_char *) "localhost";
|
|
|
2592 v->port.len = 0;
|
|
|
2593 v->port.data = (u_char *) "";
|
|
|
2594 }
|
|
|
2595
|
|
|
2596 v->uri = u->uri;
|
|
|
2597
|
|
|
2598 return NGX_OK;
|
|
|
2599 }
|
