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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
|
|
|
617 r->upstream->resolved->host = u.host;
|
|
|
618 r->upstream->resolved->port = (in_port_t) (u.no_port ? u.default_port:
|
|
|
619 u.port);
|
|
416
|
620 r->upstream->resolved->no_port = u.no_port;
|
|
348
|
621
|
|
|
622 return NGX_OK;
|
|
|
623 }
|
|
|
624
|
|
|
625
|
|
|
626 static ngx_int_t
|
|
58
|
627 ngx_http_proxy_create_request(ngx_http_request_t *r)
|
|
|
628 {
|
|
126
|
629 size_t len, loc_len, body_len;
|
|
58
|
630 uintptr_t escape;
|
|
|
631 ngx_buf_t *b;
|
|
198
|
632 ngx_str_t method;
|
|
|
633 ngx_uint_t i, unparsed_uri;
|
|
58
|
634 ngx_chain_t *cl, *body;
|
|
|
635 ngx_list_part_t *part;
|
|
|
636 ngx_table_elt_t *header;
|
|
|
637 ngx_http_upstream_t *u;
|
|
348
|
638 ngx_http_proxy_ctx_t *ctx;
|
|
58
|
639 ngx_http_script_code_pt code;
|
|
|
640 ngx_http_script_engine_t e, le;
|
|
|
641 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
642 ngx_http_script_len_code_pt lcode;
|
|
|
643
|
|
|
644 u = r->upstream;
|
|
|
645
|
|
|
646 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
647
|
|
110
|
648 if (u->method.len) {
|
|
|
649 /* HEAD was changed to GET to cache response */
|
|
|
650 method = u->method;
|
|
|
651 method.len++;
|
|
|
652
|
|
|
653 } else if (plcf->method.len) {
|
|
|
654 method = plcf->method;
|
|
|
655
|
|
58
|
656 } else {
|
|
110
|
657 method = r->method_name;
|
|
|
658 method.len++;
|
|
58
|
659 }
|
|
|
660
|
|
352
|
661 len = method.len + sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1;
|
|
|
662
|
|
58
|
663 escape = 0;
|
|
348
|
664 loc_len = 0;
|
|
|
665 unparsed_uri = 0;
|
|
|
666
|
|
|
667 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
668
|
|
|
669 if (plcf->proxy_lengths) {
|
|
352
|
670 len += ctx->vars.uri.len;
|
|
348
|
671
|
|
|
672 } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri && r == r->main)
|
|
|
673 {
|
|
158
|
674 unparsed_uri = 1;
|
|
352
|
675 len += r->unparsed_uri.len;
|
|
58
|
676
|
|
|
677 } else {
|
|
348
|
678 loc_len = (r->valid_location && ctx->vars.uri.len) ?
|
|
|
679 plcf->location.len : 0;
|
|
|
680
|
|
336
|
681 if (r->quoted_uri || r->internal) {
|
|
58
|
682 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
|
|
|
683 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
684 }
|
|
|
685
|
|
354
|
686 len += ctx->vars.uri.len + r->uri.len - loc_len + escape
|
|
|
687 + sizeof("?") - 1 + r->args.len;
|
|
58
|
688 }
|
|
|
689
|
|
340
|
690 ngx_http_script_flush_no_cacheable_variables(r, plcf->flushes);
|
|
122
|
691
|
|
126
|
692 if (plcf->body_set_len) {
|
|
|
693 le.ip = plcf->body_set_len->elts;
|
|
|
694 le.request = r;
|
|
|
695 le.flushed = 1;
|
|
|
696 body_len = 0;
|
|
|
697
|
|
|
698 while (*(uintptr_t *) le.ip) {
|
|
|
699 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
700 body_len += lcode(&le);
|
|
|
701 }
|
|
|
702
|
|
348
|
703 ctx->internal_body_length = body_len;
|
|
126
|
704 len += body_len;
|
|
|
705 }
|
|
|
706
|
|
58
|
707 le.ip = plcf->headers_set_len->elts;
|
|
|
708 le.request = r;
|
|
122
|
709 le.flushed = 1;
|
|
58
|
710
|
|
|
711 while (*(uintptr_t *) le.ip) {
|
|
|
712 while (*(uintptr_t *) le.ip) {
|
|
|
713 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
714 len += lcode(&le);
|
|
|
715 }
|
|
|
716 le.ip += sizeof(uintptr_t);
|
|
|
717 }
|
|
|
718
|
|
|
719
|
|
|
720 if (plcf->upstream.pass_request_headers) {
|
|
|
721 part = &r->headers_in.headers.part;
|
|
|
722 header = part->elts;
|
|
|
723
|
|
|
724 for (i = 0; /* void */; i++) {
|
|
|
725
|
|
|
726 if (i >= part->nelts) {
|
|
|
727 if (part->next == NULL) {
|
|
|
728 break;
|
|
|
729 }
|
|
|
730
|
|
|
731 part = part->next;
|
|
|
732 header = part->elts;
|
|
126
|
733 i = 0;
|
|
58
|
734 }
|
|
|
735
|
|
198
|
736 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
737 header[i].lowcase_key, header[i].key.len))
|
|
58
|
738 {
|
|
|
739 continue;
|
|
|
740 }
|
|
|
741
|
|
|
742 len += header[i].key.len + sizeof(": ") - 1
|
|
|
743 + header[i].value.len + sizeof(CRLF) - 1;
|
|
|
744 }
|
|
|
745 }
|
|
|
746
|
|
|
747
|
|
|
748 b = ngx_create_temp_buf(r->pool, len);
|
|
|
749 if (b == NULL) {
|
|
|
750 return NGX_ERROR;
|
|
|
751 }
|
|
|
752
|
|
|
753 cl = ngx_alloc_chain_link(r->pool);
|
|
|
754 if (cl == NULL) {
|
|
|
755 return NGX_ERROR;
|
|
|
756 }
|
|
|
757
|
|
|
758 cl->buf = b;
|
|
|
759
|
|
|
760
|
|
|
761 /* the request line */
|
|
|
762
|
|
122
|
763 b->last = ngx_copy(b->last, method.data, method.len);
|
|
58
|
764
|
|
104
|
765 u->uri.data = b->last;
|
|
|
766
|
|
348
|
767 if (plcf->proxy_lengths) {
|
|
|
768 b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len);
|
|
|
769
|
|
|
770 } else if (unparsed_uri) {
|
|
122
|
771 b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len);
|
|
|
772
|
|
58
|
773 } else {
|
|
104
|
774 if (r->valid_location) {
|
|
348
|
775 b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len);
|
|
104
|
776 }
|
|
100
|
777
|
|
58
|
778 if (escape) {
|
|
|
779 ngx_escape_uri(b->last, r->uri.data + loc_len,
|
|
|
780 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
781 b->last += r->uri.len - loc_len + escape;
|
|
|
782
|
|
126
|
783 } else {
|
|
122
|
784 b->last = ngx_copy(b->last, r->uri.data + loc_len,
|
|
|
785 r->uri.len - loc_len);
|
|
58
|
786 }
|
|
|
787
|
|
|
788 if (r->args.len > 0) {
|
|
|
789 *b->last++ = '?';
|
|
122
|
790 b->last = ngx_copy(b->last, r->args.data, r->args.len);
|
|
58
|
791 }
|
|
|
792 }
|
|
|
793
|
|
104
|
794 u->uri.len = b->last - u->uri.data;
|
|
|
795
|
|
58
|
796 b->last = ngx_cpymem(b->last, ngx_http_proxy_version,
|
|
|
797 sizeof(ngx_http_proxy_version) - 1);
|
|
|
798
|
|
126
|
799 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
58
|
800
|
|
|
801 e.ip = plcf->headers_set->elts;
|
|
|
802 e.pos = b->last;
|
|
|
803 e.request = r;
|
|
122
|
804 e.flushed = 1;
|
|
58
|
805
|
|
|
806 le.ip = plcf->headers_set_len->elts;
|
|
|
807
|
|
|
808 while (*(uintptr_t *) le.ip) {
|
|
|
809 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
64
|
810
|
|
|
811 /* skip the header line name length */
|
|
|
812 (void) lcode(&le);
|
|
58
|
813
|
|
|
814 if (*(ngx_http_script_len_code_pt *) le.ip) {
|
|
|
815
|
|
|
816 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) {
|
|
|
817 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
818 }
|
|
|
819
|
|
|
820 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0;
|
|
|
821
|
|
|
822 } else {
|
|
|
823 e.skip = 0;
|
|
|
824 }
|
|
|
825
|
|
|
826 le.ip += sizeof(uintptr_t);
|
|
|
827
|
|
|
828 while (*(uintptr_t *) e.ip) {
|
|
|
829 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
830 code((ngx_http_script_engine_t *) &e);
|
|
126
|
831 }
|
|
58
|
832 e.ip += sizeof(uintptr_t);
|
|
|
833 }
|
|
|
834
|
|
|
835 b->last = e.pos;
|
|
|
836
|
|
|
837
|
|
|
838 if (plcf->upstream.pass_request_headers) {
|
|
|
839 part = &r->headers_in.headers.part;
|
|
|
840 header = part->elts;
|
|
126
|
841
|
|
58
|
842 for (i = 0; /* void */; i++) {
|
|
|
843
|
|
|
844 if (i >= part->nelts) {
|
|
|
845 if (part->next == NULL) {
|
|
|
846 break;
|
|
|
847 }
|
|
|
848
|
|
|
849 part = part->next;
|
|
|
850 header = part->elts;
|
|
126
|
851 i = 0;
|
|
58
|
852 }
|
|
|
853
|
|
198
|
854 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
855 header[i].lowcase_key, header[i].key.len))
|
|
58
|
856 {
|
|
|
857 continue;
|
|
|
858 }
|
|
|
859
|
|
122
|
860 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len);
|
|
58
|
861
|
|
|
862 *b->last++ = ':'; *b->last++ = ' ';
|
|
|
863
|
|
122
|
864 b->last = ngx_copy(b->last, header[i].value.data,
|
|
|
865 header[i].value.len);
|
|
58
|
866
|
|
|
867 *b->last++ = CR; *b->last++ = LF;
|
|
|
868
|
|
|
869 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
870 "http proxy header: \"%V: %V\"",
|
|
|
871 &header[i].key, &header[i].value);
|
|
|
872 }
|
|
|
873 }
|
|
|
874
|
|
126
|
875
|
|
58
|
876 /* add "\r\n" at the header end */
|
|
|
877 *b->last++ = CR; *b->last++ = LF;
|
|
|
878
|
|
126
|
879 if (plcf->body_set) {
|
|
|
880 e.ip = plcf->body_set->elts;
|
|
|
881 e.pos = b->last;
|
|
|
882
|
|
|
883 while (*(uintptr_t *) e.ip) {
|
|
|
884 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
885 code((ngx_http_script_engine_t *) &e);
|
|
|
886 }
|
|
128
|
887
|
|
|
888 b->last = e.pos;
|
|
126
|
889 }
|
|
|
890
|
|
358
|
891 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
892 "http proxy header:\n\"%*s\"",
|
|
|
893 (size_t) (b->last - b->pos), b->pos);
|
|
58
|
894
|
|
126
|
895 if (plcf->body_set == NULL && plcf->upstream.pass_request_body) {
|
|
58
|
896
|
|
|
897 body = u->request_bufs;
|
|
|
898 u->request_bufs = cl;
|
|
|
899
|
|
|
900 while (body) {
|
|
|
901 b = ngx_alloc_buf(r->pool);
|
|
|
902 if (b == NULL) {
|
|
|
903 return NGX_ERROR;
|
|
|
904 }
|
|
|
905
|
|
|
906 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
907
|
|
|
908 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
909 if (cl->next == NULL) {
|
|
|
910 return NGX_ERROR;
|
|
|
911 }
|
|
|
912
|
|
|
913 cl = cl->next;
|
|
|
914 cl->buf = b;
|
|
|
915
|
|
|
916 body = body->next;
|
|
|
917 }
|
|
|
918
|
|
160
|
919 b->flush = 1;
|
|
|
920
|
|
58
|
921 } else {
|
|
|
922 u->request_bufs = cl;
|
|
|
923 }
|
|
|
924
|
|
|
925 cl->next = NULL;
|
|
|
926
|
|
|
927 return NGX_OK;
|
|
|
928 }
|
|
|
929
|
|
|
930
|
|
|
931 static ngx_int_t
|
|
|
932 ngx_http_proxy_reinit_request(ngx_http_request_t *r)
|
|
|
933 {
|
|
348
|
934 ngx_http_proxy_ctx_t *ctx;
|
|
|
935
|
|
|
936 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
937
|
|
|
938 if (ctx == NULL) {
|
|
58
|
939 return NGX_OK;
|
|
|
940 }
|
|
|
941
|
|
348
|
942 ctx->status = 0;
|
|
|
943 ctx->status_count = 0;
|
|
|
944 ctx->status_start = NULL;
|
|
|
945 ctx->status_end = NULL;
|
|
58
|
946
|
|
|
947 r->upstream->process_header = ngx_http_proxy_process_status_line;
|
|
|
948
|
|
|
949 return NGX_OK;
|
|
|
950 }
|
|
|
951
|
|
|
952
|
|
|
953 static ngx_int_t
|
|
|
954 ngx_http_proxy_process_status_line(ngx_http_request_t *r)
|
|
|
955 {
|
|
|
956 ngx_int_t rc;
|
|
|
957 ngx_http_upstream_t *u;
|
|
348
|
958 ngx_http_proxy_ctx_t *ctx;
|
|
|
959
|
|
|
960 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
961
|
|
|
962 if (ctx == NULL) {
|
|
356
|
963 return NGX_ERROR;
|
|
58
|
964 }
|
|
|
965
|
|
348
|
966 rc = ngx_http_proxy_parse_status_line(r, ctx);
|
|
58
|
967
|
|
|
968 if (rc == NGX_AGAIN) {
|
|
|
969 return rc;
|
|
|
970 }
|
|
|
971
|
|
|
972 u = r->upstream;
|
|
|
973
|
|
|
974 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) {
|
|
|
975 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
126
|
976 "upstream sent no valid HTTP/1.0 header");
|
|
58
|
977
|
|
168
|
978 #if 0
|
|
58
|
979 if (u->accel) {
|
|
|
980 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
981 }
|
|
168
|
982 #endif
|
|
58
|
983
|
|
|
984 r->http_version = NGX_HTTP_VERSION_9;
|
|
346
|
985 u->headers_in.status_n = NGX_HTTP_OK;
|
|
|
986 u->state->status = NGX_HTTP_OK;
|
|
126
|
987
|
|
58
|
988 return NGX_OK;
|
|
|
989 }
|
|
|
990
|
|
348
|
991 u->headers_in.status_n = ctx->status;
|
|
|
992 u->state->status = ctx->status;
|
|
|
993
|
|
|
994 u->headers_in.status_line.len = ctx->status_end - ctx->status_start;
|
|
382
|
995 u->headers_in.status_line.data = ngx_pnalloc(r->pool,
|
|
|
996 u->headers_in.status_line.len);
|
|
78
|
997 if (u->headers_in.status_line.data == NULL) {
|
|
356
|
998 return NGX_ERROR;
|
|
58
|
999 }
|
|
122
|
1000
|
|
348
|
1001 ngx_memcpy(u->headers_in.status_line.data, ctx->status_start,
|
|
78
|
1002 u->headers_in.status_line.len);
|
|
58
|
1003
|
|
|
1004 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1005 "http proxy status %ui \"%V\"",
|
|
270
|
1006 u->headers_in.status_n, &u->headers_in.status_line);
|
|
58
|
1007
|
|
|
1008 u->process_header = ngx_http_proxy_process_header;
|
|
|
1009
|
|
|
1010 return ngx_http_proxy_process_header(r);
|
|
|
1011 }
|
|
|
1012
|
|
|
1013
|
|
|
1014 static ngx_int_t
|
|
348
|
1015 ngx_http_proxy_parse_status_line(ngx_http_request_t *r,
|
|
|
1016 ngx_http_proxy_ctx_t *ctx)
|
|
58
|
1017 {
|
|
|
1018 u_char ch;
|
|
348
|
1019 u_char *p;
|
|
58
|
1020 ngx_http_upstream_t *u;
|
|
|
1021 enum {
|
|
|
1022 sw_start = 0,
|
|
|
1023 sw_H,
|
|
|
1024 sw_HT,
|
|
|
1025 sw_HTT,
|
|
|
1026 sw_HTTP,
|
|
|
1027 sw_first_major_digit,
|
|
|
1028 sw_major_digit,
|
|
|
1029 sw_first_minor_digit,
|
|
|
1030 sw_minor_digit,
|
|
|
1031 sw_status,
|
|
|
1032 sw_space_after_status,
|
|
|
1033 sw_status_text,
|
|
|
1034 sw_almost_done
|
|
126
|
1035 } state;
|
|
58
|
1036
|
|
|
1037 u = r->upstream;
|
|
|
1038
|
|
|
1039 state = r->state;
|
|
|
1040
|
|
348
|
1041 for (p = u->buffer.pos; p < u->buffer.last; p++) {
|
|
|
1042 ch = *p;
|
|
58
|
1043
|
|
|
1044 switch (state) {
|
|
|
1045
|
|
|
1046 /* "HTTP/" */
|
|
|
1047 case sw_start:
|
|
|
1048 switch (ch) {
|
|
126
|
1049 case 'H':
|
|
58
|
1050 state = sw_H;
|
|
|
1051 break;
|
|
|
1052 default:
|
|
|
1053 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1054 }
|
|
|
1055 break;
|
|
|
1056
|
|
126
|
1057 case sw_H:
|
|
58
|
1058 switch (ch) {
|
|
126
|
1059 case 'T':
|
|
58
|
1060 state = sw_HT;
|
|
|
1061 break;
|
|
|
1062 default:
|
|
|
1063 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1064 }
|
|
|
1065 break;
|
|
|
1066
|
|
|
1067 case sw_HT:
|
|
|
1068 switch (ch) {
|
|
126
|
1069 case 'T':
|
|
58
|
1070 state = sw_HTT;
|
|
|
1071 break;
|
|
|
1072 default:
|
|
|
1073 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1074 }
|
|
|
1075 break;
|
|
|
1076
|
|
|
1077 case sw_HTT:
|
|
|
1078 switch (ch) {
|
|
126
|
1079 case 'P':
|
|
58
|
1080 state = sw_HTTP;
|
|
|
1081 break;
|
|
|
1082 default:
|
|
|
1083 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1084 }
|
|
|
1085 break;
|
|
|
1086
|
|
|
1087 case sw_HTTP:
|
|
|
1088 switch (ch) {
|
|
126
|
1089 case '/':
|
|
58
|
1090 state = sw_first_major_digit;
|
|
|
1091 break;
|
|
|
1092 default:
|
|
|
1093 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1094 }
|
|
|
1095 break;
|
|
|
1096
|
|
|
1097 /* the first digit of major HTTP version */
|
|
|
1098 case sw_first_major_digit:
|
|
|
1099 if (ch < '1' || ch > '9') {
|
|
|
1100 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1101 }
|
|
|
1102
|
|
|
1103 state = sw_major_digit;
|
|
|
1104 break;
|
|
|
1105
|
|
|
1106 /* the major HTTP version or dot */
|
|
|
1107 case sw_major_digit:
|
|
|
1108 if (ch == '.') {
|
|
|
1109 state = sw_first_minor_digit;
|
|
|
1110 break;
|
|
|
1111 }
|
|
|
1112
|
|
|
1113 if (ch < '0' || ch > '9') {
|
|
|
1114 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1115 }
|
|
|
1116
|
|
|
1117 break;
|
|
|
1118
|
|
|
1119 /* the first digit of minor HTTP version */
|
|
|
1120 case sw_first_minor_digit:
|
|
|
1121 if (ch < '0' || ch > '9') {
|
|
|
1122 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1123 }
|
|
|
1124
|
|
|
1125 state = sw_minor_digit;
|
|
|
1126 break;
|
|
|
1127
|
|
|
1128 /* the minor HTTP version or the end of the request line */
|
|
|
1129 case sw_minor_digit:
|
|
|
1130 if (ch == ' ') {
|
|
|
1131 state = sw_status;
|
|
|
1132 break;
|
|
|
1133 }
|
|
|
1134
|
|
|
1135 if (ch < '0' || ch > '9') {
|
|
|
1136 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1137 }
|
|
|
1138
|
|
|
1139 break;
|
|
|
1140
|
|
|
1141 /* HTTP status code */
|
|
|
1142 case sw_status:
|
|
168
|
1143 if (ch == ' ') {
|
|
|
1144 break;
|
|
|
1145 }
|
|
|
1146
|
|
58
|
1147 if (ch < '0' || ch > '9') {
|
|
|
1148 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1149 }
|
|
|
1150
|
|
348
|
1151 ctx->status = ctx->status * 10 + ch - '0';
|
|
|
1152
|
|
|
1153 if (++ctx->status_count == 3) {
|
|
58
|
1154 state = sw_space_after_status;
|
|
348
|
1155 ctx->status_start = p - 2;
|
|
58
|
1156 }
|
|
|
1157
|
|
|
1158 break;
|
|
|
1159
|
|
|
1160 /* space or end of line */
|
|
|
1161 case sw_space_after_status:
|
|
|
1162 switch (ch) {
|
|
126
|
1163 case ' ':
|
|
58
|
1164 state = sw_status_text;
|
|
|
1165 break;
|
|
|
1166 case '.': /* IIS may send 403.1, 403.2, etc */
|
|
|
1167 state = sw_status_text;
|
|
|
1168 break;
|
|
|
1169 case CR:
|
|
|
1170 state = sw_almost_done;
|
|
|
1171 break;
|
|
|
1172 case LF:
|
|
|
1173 goto done;
|
|
|
1174 default:
|
|
|
1175 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1176 }
|
|
|
1177 break;
|
|
|
1178
|
|
|
1179 /* any text until end of line */
|
|
|
1180 case sw_status_text:
|
|
|
1181 switch (ch) {
|
|
|
1182 case CR:
|
|
|
1183 state = sw_almost_done;
|
|
|
1184
|
|
|
1185 break;
|
|
|
1186 case LF:
|
|
|
1187 goto done;
|
|
|
1188 }
|
|
|
1189 break;
|
|
|
1190
|
|
76
|
1191 /* end of status line */
|
|
58
|
1192 case sw_almost_done:
|
|
348
|
1193 ctx->status_end = p - 1;
|
|
58
|
1194 switch (ch) {
|
|
|
1195 case LF:
|
|
|
1196 goto done;
|
|
|
1197 default:
|
|
|
1198 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1199 }
|
|
|
1200 }
|
|
|
1201 }
|
|
|
1202
|
|
348
|
1203 u->buffer.pos = p;
|
|
58
|
1204 r->state = state;
|
|
|
1205
|
|
|
1206 return NGX_AGAIN;
|
|
|
1207
|
|
|
1208 done:
|
|
|
1209
|
|
348
|
1210 u->buffer.pos = p + 1;
|
|
|
1211
|
|
|
1212 if (ctx->status_end == NULL) {
|
|
|
1213 ctx->status_end = p;
|
|
58
|
1214 }
|
|
|
1215
|
|
|
1216 r->state = sw_start;
|
|
|
1217
|
|
|
1218 return NGX_OK;
|
|
|
1219 }
|
|
|
1220
|
|
|
1221
|
|
|
1222 static ngx_int_t
|
|
|
1223 ngx_http_proxy_process_header(ngx_http_request_t *r)
|
|
|
1224 {
|
|
|
1225 ngx_int_t rc;
|
|
|
1226 ngx_table_elt_t *h;
|
|
|
1227 ngx_http_upstream_header_t *hh;
|
|
|
1228 ngx_http_upstream_main_conf_t *umcf;
|
|
|
1229
|
|
|
1230 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
1231
|
|
378
|
1232 for ( ;; ) {
|
|
58
|
1233
|
|
412
|
1234 rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1);
|
|
58
|
1235
|
|
|
1236 if (rc == NGX_OK) {
|
|
|
1237
|
|
|
1238 /* a header line has been parsed successfully */
|
|
|
1239
|
|
|
1240 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1241 if (h == NULL) {
|
|
356
|
1242 return NGX_ERROR;
|
|
58
|
1243 }
|
|
|
1244
|
|
|
1245 h->hash = r->header_hash;
|
|
|
1246
|
|
|
1247 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
1248 h->value.len = r->header_end - r->header_start;
|
|
|
1249
|
|
382
|
1250 h->key.data = ngx_pnalloc(r->pool,
|
|
198
|
1251 h->key.len + 1 + h->value.len + 1 + h->key.len);
|
|
58
|
1252 if (h->key.data == NULL) {
|
|
356
|
1253 return NGX_ERROR;
|
|
58
|
1254 }
|
|
|
1255
|
|
|
1256 h->value.data = h->key.data + h->key.len + 1;
|
|
198
|
1257 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1;
|
|
58
|
1258
|
|
|
1259 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
|
1260 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
|
1261
|
|
198
|
1262 if (h->key.len == r->lowcase_index) {
|
|
|
1263 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
1264
|
|
|
1265 } else {
|
|
392
|
1266 ngx_strlow(h->lowcase_key, h->key.data, h->key.len);
|
|
58
|
1267 }
|
|
|
1268
|
|
198
|
1269 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash,
|
|
|
1270 h->lowcase_key, h->key.len);
|
|
|
1271
|
|
|
1272 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
356
|
1273 return NGX_ERROR;
|
|
198
|
1274 }
|
|
|
1275
|
|
58
|
1276 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1277 "http proxy header: \"%V: %V\"",
|
|
|
1278 &h->key, &h->value);
|
|
|
1279
|
|
|
1280 continue;
|
|
|
1281 }
|
|
|
1282
|
|
|
1283 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
|
1284
|
|
|
1285 /* a whole header has been parsed successfully */
|
|
|
1286
|
|
|
1287 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1288 "http proxy header done");
|
|
|
1289
|
|
198
|
1290 /*
|
|
|
1291 * if no "Server" and "Date" in header line,
|
|
|
1292 * then add the special empty headers
|
|
|
1293 */
|
|
|
1294
|
|
|
1295 if (r->upstream->headers_in.server == NULL) {
|
|
|
1296 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1297 if (h == NULL) {
|
|
356
|
1298 return NGX_ERROR;
|
|
198
|
1299 }
|
|
|
1300
|
|
|
1301 h->hash = ngx_hash(ngx_hash(ngx_hash(ngx_hash(
|
|
|
1302 ngx_hash('s', 'e'), 'r'), 'v'), 'e'), 'r');
|
|
|
1303
|
|
|
1304 h->key.len = sizeof("Server") - 1;
|
|
|
1305 h->key.data = (u_char *) "Server";
|
|
|
1306 h->value.len = 0;
|
|
|
1307 h->value.data = NULL;
|
|
|
1308 h->lowcase_key = (u_char *) "server";
|
|
|
1309 }
|
|
|
1310
|
|
|
1311 if (r->upstream->headers_in.date == NULL) {
|
|
|
1312 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1313 if (h == NULL) {
|
|
356
|
1314 return NGX_ERROR;
|
|
198
|
1315 }
|
|
|
1316
|
|
|
1317 h->hash = ngx_hash(ngx_hash(ngx_hash('d', 'a'), 't'), 'e');
|
|
|
1318
|
|
|
1319 h->key.len = sizeof("Date") - 1;
|
|
|
1320 h->key.data = (u_char *) "Date";
|
|
|
1321 h->value.len = 0;
|
|
|
1322 h->value.data = NULL;
|
|
|
1323 h->lowcase_key = (u_char *) "date";
|
|
|
1324 }
|
|
|
1325
|
|
58
|
1326 return NGX_OK;
|
|
|
1327 }
|
|
|
1328
|
|
70
|
1329 if (rc == NGX_AGAIN) {
|
|
|
1330 return NGX_AGAIN;
|
|
|
1331 }
|
|
|
1332
|
|
58
|
1333 /* there was error while a header line parsing */
|
|
|
1334
|
|
|
1335 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
168
|
1336 "upstream sent invalid header");
|
|
58
|
1337
|
|
|
1338 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1339 }
|
|
|
1340 }
|
|
|
1341
|
|
|
1342
|
|
|
1343 static void
|
|
|
1344 ngx_http_proxy_abort_request(ngx_http_request_t *r)
|
|
|
1345 {
|
|
|
1346 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1347 "abort http proxy request");
|
|
126
|
1348
|
|
58
|
1349 return;
|
|
|
1350 }
|
|
|
1351
|
|
|
1352
|
|
|
1353 static void
|
|
|
1354 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
126
|
1355 {
|
|
58
|
1356 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1357 "finalize http proxy request");
|
|
|
1358
|
|
|
1359 return;
|
|
|
1360 }
|
|
|
1361
|
|
|
1362
|
|
122
|
1363 static ngx_int_t
|
|
|
1364 ngx_http_proxy_host_variable(ngx_http_request_t *r,
|
|
|
1365 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1366 {
|
|
348
|
1367 ngx_http_proxy_ctx_t *ctx;
|
|
|
1368
|
|
|
1369 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1370
|
|
|
1371 if (ctx == NULL) {
|
|
|
1372 v->not_found = 1;
|
|
|
1373 return NGX_OK;
|
|
|
1374 }
|
|
|
1375
|
|
|
1376 v->len = ctx->vars.host_header.len;
|
|
126
|
1377 v->valid = 1;
|
|
340
|
1378 v->no_cacheable = 0;
|
|
122
|
1379 v->not_found = 0;
|
|
348
|
1380 v->data = ctx->vars.host_header.data;
|
|
58
|
1381
|
|
122
|
1382 return NGX_OK;
|
|
58
|
1383 }
|
|
|
1384
|
|
|
1385
|
|
122
|
1386 static ngx_int_t
|
|
|
1387 ngx_http_proxy_port_variable(ngx_http_request_t *r,
|
|
|
1388 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1389 {
|
|
348
|
1390 ngx_http_proxy_ctx_t *ctx;
|
|
|
1391
|
|
|
1392 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1393
|
|
|
1394 if (ctx == NULL) {
|
|
|
1395 v->not_found = 1;
|
|
|
1396 return NGX_OK;
|
|
|
1397 }
|
|
|
1398
|
|
|
1399 v->len = ctx->vars.port.len;
|
|
126
|
1400 v->valid = 1;
|
|
340
|
1401 v->no_cacheable = 0;
|
|
122
|
1402 v->not_found = 0;
|
|
348
|
1403 v->data = ctx->vars.port.data;
|
|
58
|
1404
|
|
122
|
1405 return NGX_OK;
|
|
58
|
1406 }
|
|
|
1407
|
|
|
1408
|
|
122
|
1409 static ngx_int_t
|
|
58
|
1410 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
|
|
122
|
1411 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1412 {
|
|
122
|
1413 u_char *p;
|
|
58
|
1414
|
|
126
|
1415 v->valid = 1;
|
|
340
|
1416 v->no_cacheable = 0;
|
|
122
|
1417 v->not_found = 0;
|
|
58
|
1418
|
|
|
1419 if (r->headers_in.x_forwarded_for == NULL) {
|
|
122
|
1420 v->len = r->connection->addr_text.len;
|
|
|
1421 v->data = r->connection->addr_text.data;
|
|
|
1422 return NGX_OK;
|
|
58
|
1423 }
|
|
|
1424
|
|
122
|
1425 v->len = r->headers_in.x_forwarded_for->value.len
|
|
|
1426 + sizeof(", ") - 1 + r->connection->addr_text.len;
|
|
58
|
1427
|
|
382
|
1428 p = ngx_pnalloc(r->pool, v->len);
|
|
58
|
1429 if (p == NULL) {
|
|
122
|
1430 return NGX_ERROR;
|
|
58
|
1431 }
|
|
|
1432
|
|
122
|
1433 v->data = p;
|
|
58
|
1434
|
|
122
|
1435 p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data,
|
|
|
1436 r->headers_in.x_forwarded_for->value.len);
|
|
58
|
1437
|
|
|
1438 *p++ = ','; *p++ = ' ';
|
|
|
1439
|
|
|
1440 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len);
|
|
|
1441
|
|
122
|
1442 return NGX_OK;
|
|
58
|
1443 }
|
|
|
1444
|
|
|
1445
|
|
|
1446 static ngx_int_t
|
|
126
|
1447 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
|
|
|
1448 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1449 {
|
|
348
|
1450 ngx_http_proxy_ctx_t *ctx;
|
|
|
1451
|
|
|
1452 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1453
|
|
|
1454 if (ctx == NULL) {
|
|
126
|
1455 v->not_found = 1;
|
|
|
1456 return NGX_OK;
|
|
|
1457 }
|
|
|
1458
|
|
|
1459 v->valid = 1;
|
|
340
|
1460 v->no_cacheable = 0;
|
|
126
|
1461 v->not_found = 0;
|
|
|
1462
|
|
382
|
1463 v->data = ngx_pnalloc(r->connection->pool, NGX_SIZE_T_LEN);
|
|
126
|
1464
|
|
|
1465 if (v->data == NULL) {
|
|
|
1466 return NGX_ERROR;
|
|
|
1467 }
|
|
|
1468
|
|
348
|
1469 v->len = ngx_sprintf(v->data, "%uz", ctx->internal_body_length) - v->data;
|
|
126
|
1470
|
|
|
1471 return NGX_OK;
|
|
|
1472 }
|
|
|
1473
|
|
|
1474
|
|
|
1475 static ngx_int_t
|
|
58
|
1476 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1477 size_t prefix)
|
|
|
1478 {
|
|
|
1479 ngx_int_t rc;
|
|
|
1480 ngx_uint_t i;
|
|
|
1481 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1482 ngx_http_proxy_redirect_t *pr;
|
|
|
1483
|
|
|
1484 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1485
|
|
|
1486 pr = plcf->redirects->elts;
|
|
|
1487
|
|
|
1488 if (pr == NULL) {
|
|
|
1489 return NGX_DECLINED;
|
|
|
1490 }
|
|
|
1491
|
|
|
1492 for (i = 0; i < plcf->redirects->nelts; i++) {
|
|
154
|
1493 rc = pr[i].handler(r, h, prefix, &pr[i]);
|
|
58
|
1494
|
|
|
1495 if (rc != NGX_DECLINED) {
|
|
|
1496 return rc;
|
|
|
1497 }
|
|
|
1498 }
|
|
|
1499
|
|
|
1500 return NGX_DECLINED;
|
|
|
1501 }
|
|
|
1502
|
|
|
1503
|
|
|
1504 static ngx_int_t
|
|
|
1505 ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1506 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1507 {
|
|
|
1508 size_t len;
|
|
|
1509 u_char *data, *p;
|
|
|
1510
|
|
|
1511 if (pr->redirect.len > h->value.len - prefix
|
|
|
1512 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1513 pr->redirect.len) != 0)
|
|
|
1514 {
|
|
|
1515 return NGX_DECLINED;
|
|
|
1516 }
|
|
|
1517
|
|
|
1518 len = prefix + pr->replacement.text.len + h->value.len - pr->redirect.len;
|
|
|
1519
|
|
382
|
1520 data = ngx_pnalloc(r->pool, len);
|
|
58
|
1521 if (data == NULL) {
|
|
|
1522 return NGX_ERROR;
|
|
|
1523 }
|
|
|
1524
|
|
|
1525 p = data;
|
|
|
1526
|
|
122
|
1527 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1528
|
|
202
|
1529 if (pr->replacement.text.len) {
|
|
|
1530 p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len);
|
|
|
1531 }
|
|
58
|
1532
|
|
|
1533 ngx_memcpy(p, h->value.data + prefix + pr->redirect.len,
|
|
|
1534 h->value.len - pr->redirect.len - prefix);
|
|
|
1535
|
|
|
1536 h->value.len = len;
|
|
|
1537 h->value.data = data;
|
|
|
1538
|
|
|
1539 return NGX_OK;
|
|
|
1540 }
|
|
|
1541
|
|
|
1542
|
|
|
1543 static ngx_int_t
|
|
|
1544 ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1545 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1546 {
|
|
|
1547 size_t len;
|
|
|
1548 u_char *data, *p;
|
|
|
1549 ngx_http_script_code_pt code;
|
|
|
1550 ngx_http_script_engine_t e;
|
|
|
1551 ngx_http_script_len_code_pt lcode;
|
|
|
1552
|
|
|
1553 if (pr->redirect.len > h->value.len - prefix
|
|
|
1554 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1555 pr->redirect.len) != 0)
|
|
|
1556 {
|
|
|
1557 return NGX_DECLINED;
|
|
|
1558 }
|
|
|
1559
|
|
|
1560 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
1561
|
|
|
1562 e.ip = pr->replacement.vars.lengths;
|
|
|
1563 e.request = r;
|
|
|
1564
|
|
238
|
1565 len = prefix + h->value.len - pr->redirect.len;
|
|
|
1566
|
|
|
1567 while (*(uintptr_t *) e.ip) {
|
|
58
|
1568 lcode = *(ngx_http_script_len_code_pt *) e.ip;
|
|
238
|
1569 len += lcode(&e);
|
|
58
|
1570 }
|
|
|
1571
|
|
382
|
1572 data = ngx_pnalloc(r->pool, len);
|
|
58
|
1573 if (data == NULL) {
|
|
|
1574 return NGX_ERROR;
|
|
|
1575 }
|
|
|
1576
|
|
|
1577 p = data;
|
|
|
1578
|
|
122
|
1579 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1580
|
|
|
1581 e.ip = pr->replacement.vars.values;
|
|
|
1582 e.pos = p;
|
|
|
1583
|
|
|
1584 while (*(uintptr_t *) e.ip) {
|
|
|
1585 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1586 code(&e);
|
|
|
1587 }
|
|
|
1588
|
|
238
|
1589 ngx_memcpy(e.pos, h->value.data + prefix + pr->redirect.len,
|
|
|
1590 h->value.len - pr->redirect.len - prefix);
|
|
|
1591
|
|
58
|
1592 h->value.len = len;
|
|
|
1593 h->value.data = data;
|
|
|
1594
|
|
|
1595 return NGX_OK;
|
|
|
1596 }
|
|
|
1597
|
|
|
1598
|
|
|
1599 static ngx_int_t
|
|
|
1600 ngx_http_proxy_add_variables(ngx_conf_t *cf)
|
|
|
1601 {
|
|
|
1602 ngx_http_variable_t *var, *v;
|
|
|
1603
|
|
|
1604 for (v = ngx_http_proxy_vars; v->name.len; v++) {
|
|
|
1605 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
1606 if (var == NULL) {
|
|
|
1607 return NGX_ERROR;
|
|
|
1608 }
|
|
|
1609
|
|
186
|
1610 var->get_handler = v->get_handler;
|
|
58
|
1611 var->data = v->data;
|
|
|
1612 }
|
|
|
1613
|
|
|
1614 return NGX_OK;
|
|
|
1615 }
|
|
|
1616
|
|
|
1617
|
|
|
1618 static void *
|
|
|
1619 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
|
|
|
1620 {
|
|
|
1621 ngx_http_proxy_loc_conf_t *conf;
|
|
|
1622
|
|
|
1623 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t));
|
|
|
1624 if (conf == NULL) {
|
|
|
1625 return NGX_CONF_ERROR;
|
|
|
1626 }
|
|
|
1627
|
|
|
1628 /*
|
|
|
1629 * set by ngx_pcalloc():
|
|
|
1630 *
|
|
|
1631 * conf->upstream.bufs.num = 0;
|
|
|
1632 * conf->upstream.next_upstream = 0;
|
|
|
1633 * conf->upstream.temp_path = NULL;
|
|
198
|
1634 * conf->upstream.hide_headers_hash = { NULL, 0 };
|
|
58
|
1635 * conf->upstream.uri = { 0, NULL };
|
|
|
1636 * conf->upstream.location = NULL;
|
|
320
|
1637 * conf->upstream.store_lengths = NULL;
|
|
|
1638 * conf->upstream.store_values = NULL;
|
|
58
|
1639 *
|
|
110
|
1640 * conf->method = NULL;
|
|
58
|
1641 * conf->headers_source = NULL;
|
|
|
1642 * conf->headers_set_len = NULL;
|
|
|
1643 * conf->headers_set = NULL;
|
|
|
1644 * conf->headers_set_hash = NULL;
|
|
126
|
1645 * conf->body_set_len = NULL;
|
|
|
1646 * conf->body_set = NULL;
|
|
|
1647 * conf->body_source = { 0, NULL };
|
|
58
|
1648 * conf->rewrite_locations = NULL;
|
|
|
1649 */
|
|
126
|
1650
|
|
320
|
1651 conf->upstream.store = NGX_CONF_UNSET;
|
|
|
1652 conf->upstream.store_access = NGX_CONF_UNSET_UINT;
|
|
130
|
1653 conf->upstream.buffering = NGX_CONF_UNSET;
|
|
178
|
1654 conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
|
|
130
|
1655
|
|
58
|
1656 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1657 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1658 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1659
|
|
|
1660 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
130
|
1661 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
78
|
1662
|
|
|
1663 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
126
|
1664 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
78
|
1665 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
58
|
1666
|
|
|
1667 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
|
1668 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
110
|
1669
|
|
356
|
1670 conf->upstream.hide_headers = NGX_CONF_UNSET_PTR;
|
|
|
1671 conf->upstream.pass_headers = NGX_CONF_UNSET_PTR;
|
|
|
1672
|
|
206
|
1673 conf->upstream.intercept_errors = NGX_CONF_UNSET;
|
|
398
|
1674 #if (NGX_HTTP_SSL)
|
|
|
1675 conf->upstream.ssl_session_reuse = NGX_CONF_UNSET;
|
|
|
1676 #endif
|
|
58
|
1677
|
|
|
1678 /* "proxy_cyclic_temp_file" is disabled */
|
|
|
1679 conf->upstream.cyclic_temp_file = 0;
|
|
|
1680
|
|
|
1681 conf->redirect = NGX_CONF_UNSET;
|
|
198
|
1682 conf->upstream.change_buffering = 1;
|
|
58
|
1683
|
|
298
|
1684 conf->headers_hash_max_size = NGX_CONF_UNSET_UINT;
|
|
|
1685 conf->headers_hash_bucket_size = NGX_CONF_UNSET_UINT;
|
|
|
1686
|
|
58
|
1687 return conf;
|
|
|
1688 }
|
|
|
1689
|
|
|
1690
|
|
|
1691 static char *
|
|
|
1692 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1693 {
|
|
|
1694 ngx_http_proxy_loc_conf_t *prev = parent;
|
|
|
1695 ngx_http_proxy_loc_conf_t *conf = child;
|
|
|
1696
|
|
|
1697 u_char *p;
|
|
|
1698 size_t size;
|
|
|
1699 uintptr_t *code;
|
|
356
|
1700 ngx_uint_t i;
|
|
198
|
1701 ngx_keyval_t *src, *s, *h;
|
|
|
1702 ngx_hash_key_t *hk;
|
|
|
1703 ngx_hash_init_t hash;
|
|
58
|
1704 ngx_http_proxy_redirect_t *pr;
|
|
|
1705 ngx_http_script_compile_t sc;
|
|
|
1706 ngx_http_script_copy_code_t *copy;
|
|
|
1707
|
|
320
|
1708 if (conf->upstream.store != 0) {
|
|
|
1709 ngx_conf_merge_value(conf->upstream.store,
|
|
|
1710 prev->upstream.store, 0);
|
|
|
1711
|
|
|
1712 if (conf->upstream.store_lengths == NULL) {
|
|
|
1713 conf->upstream.store_lengths = prev->upstream.store_lengths;
|
|
|
1714 conf->upstream.store_values = prev->upstream.store_values;
|
|
|
1715 }
|
|
|
1716 }
|
|
|
1717
|
|
|
1718 ngx_conf_merge_uint_value(conf->upstream.store_access,
|
|
|
1719 prev->upstream.store_access, 0600);
|
|
318
|
1720
|
|
130
|
1721 ngx_conf_merge_value(conf->upstream.buffering,
|
|
|
1722 prev->upstream.buffering, 1);
|
|
|
1723
|
|
178
|
1724 ngx_conf_merge_value(conf->upstream.ignore_client_abort,
|
|
|
1725 prev->upstream.ignore_client_abort, 0);
|
|
|
1726
|
|
58
|
1727 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
1728 prev->upstream.connect_timeout, 60000);
|
|
|
1729
|
|
|
1730 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
1731 prev->upstream.send_timeout, 60000);
|
|
|
1732
|
|
|
1733 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
1734 prev->upstream.read_timeout, 60000);
|
|
|
1735
|
|
|
1736 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
|
1737 prev->upstream.send_lowat, 0);
|
|
|
1738
|
|
130
|
1739 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
|
1740 prev->upstream.buffer_size,
|
|
58
|
1741 (size_t) ngx_pagesize);
|
|
|
1742
|
|
|
1743 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
|
1744 8, ngx_pagesize);
|
|
|
1745
|
|
|
1746 if (conf->upstream.bufs.num < 2) {
|
|
126
|
1747 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
58
|
1748 "there must be at least 2 \"proxy_buffers\"");
|
|
|
1749 return NGX_CONF_ERROR;
|
|
|
1750 }
|
|
126
|
1751
|
|
58
|
1752
|
|
130
|
1753 size = conf->upstream.buffer_size;
|
|
126
|
1754 if (size < conf->upstream.bufs.size) {
|
|
58
|
1755 size = conf->upstream.bufs.size;
|
|
|
1756 }
|
|
|
1757
|
|
|
1758
|
|
78
|
1759 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
|
1760 prev->upstream.busy_buffers_size_conf,
|
|
58
|
1761 NGX_CONF_UNSET_SIZE);
|
|
|
1762
|
|
78
|
1763 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1764 conf->upstream.busy_buffers_size = 2 * size;
|
|
78
|
1765 } else {
|
|
|
1766 conf->upstream.busy_buffers_size =
|
|
|
1767 conf->upstream.busy_buffers_size_conf;
|
|
|
1768 }
|
|
126
|
1769
|
|
78
|
1770 if (conf->upstream.busy_buffers_size < size) {
|
|
58
|
1771 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1772 "\"proxy_busy_buffers_size\" must be equal or bigger than "
|
|
288
|
1773 "maximum of the value of \"proxy_buffer_size\" and "
|
|
58
|
1774 "one of the \"proxy_buffers\"");
|
|
|
1775
|
|
|
1776 return NGX_CONF_ERROR;
|
|
78
|
1777 }
|
|
58
|
1778
|
|
78
|
1779 if (conf->upstream.busy_buffers_size
|
|
|
1780 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
58
|
1781 {
|
|
|
1782 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1783 "\"proxy_busy_buffers_size\" must be less than "
|
|
|
1784 "the size of all \"proxy_buffers\" minus one buffer");
|
|
|
1785
|
|
|
1786 return NGX_CONF_ERROR;
|
|
|
1787 }
|
|
78
|
1788
|
|
58
|
1789
|
|
78
|
1790 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
|
1791 prev->upstream.temp_file_write_size_conf,
|
|
58
|
1792 NGX_CONF_UNSET_SIZE);
|
|
|
1793
|
|
78
|
1794 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1795 conf->upstream.temp_file_write_size = 2 * size;
|
|
78
|
1796 } else {
|
|
|
1797 conf->upstream.temp_file_write_size =
|
|
|
1798 conf->upstream.temp_file_write_size_conf;
|
|
|
1799 }
|
|
126
|
1800
|
|
78
|
1801 if (conf->upstream.temp_file_write_size < size) {
|
|
58
|
1802 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1803 "\"proxy_temp_file_write_size\" must be equal or bigger than "
|
|
288
|
1804 "maximum of the value of \"proxy_buffer_size\" and "
|
|
58
|
1805 "one of the \"proxy_buffers\"");
|
|
|
1806
|
|
|
1807 return NGX_CONF_ERROR;
|
|
|
1808 }
|
|
|
1809
|
|
78
|
1810 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
|
1811 prev->upstream.max_temp_file_size_conf,
|
|
58
|
1812 NGX_CONF_UNSET_SIZE);
|
|
|
1813
|
|
78
|
1814 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1815 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
78
|
1816 } else {
|
|
|
1817 conf->upstream.max_temp_file_size =
|
|
|
1818 conf->upstream.max_temp_file_size_conf;
|
|
|
1819 }
|
|
58
|
1820
|
|
78
|
1821 if (conf->upstream.max_temp_file_size != 0
|
|
|
1822 && conf->upstream.max_temp_file_size < size)
|
|
58
|
1823 {
|
|
|
1824 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
110
|
1825 "\"proxy_max_temp_file_size\" must be equal to zero to disable "
|
|
58
|
1826 "the temporary files usage or must be equal or bigger than "
|
|
288
|
1827 "maximum of the value of \"proxy_buffer_size\" and "
|
|
110
|
1828 "one of the \"proxy_buffers\"");
|
|
58
|
1829
|
|
|
1830 return NGX_CONF_ERROR;
|
|
|
1831 }
|
|
|
1832
|
|
78
|
1833
|
|
58
|
1834 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
1835 prev->upstream.next_upstream,
|
|
|
1836 (NGX_CONF_BITMASK_SET
|
|
|
1837 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
1838 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
1839
|
|
214
|
1840 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
1841 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
|
|
|
1842 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
1843 }
|
|
|
1844
|
|
58
|
1845 ngx_conf_merge_path_value(conf->upstream.temp_path,
|
|
|
1846 prev->upstream.temp_path,
|
|
|
1847 NGX_HTTP_PROXY_TEMP_PATH, 1, 2, 0,
|
|
|
1848 ngx_garbage_collector_temp_handler, cf);
|
|
|
1849
|
|
110
|
1850 if (conf->method.len == 0) {
|
|
|
1851 conf->method = prev->method;
|
|
|
1852
|
|
|
1853 } else {
|
|
|
1854 conf->method.data[conf->method.len] = ' ';
|
|
|
1855 conf->method.len++;
|
|
58
|
1856 }
|
|
|
1857
|
|
|
1858 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
|
1859 prev->upstream.pass_request_headers, 1);
|
|
|
1860 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
|
1861 prev->upstream.pass_request_body, 1);
|
|
|
1862
|
|
206
|
1863 ngx_conf_merge_value(conf->upstream.intercept_errors,
|
|
|
1864 prev->upstream.intercept_errors, 0);
|
|
58
|
1865
|
|
398
|
1866 #if (NGX_HTTP_SSL)
|
|
|
1867 ngx_conf_merge_value(conf->upstream.ssl_session_reuse,
|
|
|
1868 prev->upstream.ssl_session_reuse, 1);
|
|
|
1869 #endif
|
|
|
1870
|
|
58
|
1871 ngx_conf_merge_value(conf->redirect, prev->redirect, 1);
|
|
|
1872
|
|
|
1873 if (conf->redirect) {
|
|
|
1874
|
|
|
1875 if (conf->redirects == NULL) {
|
|
|
1876 conf->redirects = prev->redirects;
|
|
|
1877 }
|
|
|
1878
|
|
348
|
1879 if (conf->redirects == NULL && conf->url.data) {
|
|
58
|
1880
|
|
|
1881 conf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
1882 sizeof(ngx_http_proxy_redirect_t));
|
|
|
1883 if (conf->redirects == NULL) {
|
|
|
1884 return NGX_CONF_ERROR;
|
|
|
1885 }
|
|
|
1886
|
|
|
1887 pr = ngx_array_push(conf->redirects);
|
|
|
1888 if (pr == NULL) {
|
|
|
1889 return NGX_CONF_ERROR;
|
|
|
1890 }
|
|
|
1891
|
|
|
1892 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
348
|
1893 pr->redirect = conf->url;
|
|
|
1894
|
|
|
1895 if (conf->vars.uri.len) {
|
|
|
1896 pr->replacement.text = conf->location;
|
|
202
|
1897
|
|
|
1898 } else {
|
|
|
1899 pr->replacement.text.len = 0;
|
|
|
1900 pr->replacement.text.data = NULL;
|
|
|
1901 }
|
|
58
|
1902 }
|
|
|
1903 }
|
|
|
1904
|
|
348
|
1905 /* STUB */
|
|
|
1906 if (prev->proxy_lengths) {
|
|
|
1907 conf->proxy_lengths = prev->proxy_lengths;
|
|
|
1908 conf->proxy_values = prev->proxy_values;
|
|
|
1909 }
|
|
|
1910
|
|
298
|
1911 ngx_conf_merge_uint_value(conf->headers_hash_max_size,
|
|
|
1912 prev->headers_hash_max_size, 512);
|
|
|
1913
|
|
|
1914 ngx_conf_merge_uint_value(conf->headers_hash_bucket_size,
|
|
|
1915 prev->headers_hash_bucket_size, 64);
|
|
|
1916
|
|
|
1917 conf->headers_hash_bucket_size = ngx_align(conf->headers_hash_bucket_size,
|
|
|
1918 ngx_cacheline_size);
|
|
|
1919
|
|
356
|
1920 hash.max_size = conf->headers_hash_max_size;
|
|
|
1921 hash.bucket_size = conf->headers_hash_bucket_size;
|
|
|
1922 hash.name = "proxy_headers_hash";
|
|
|
1923
|
|
|
1924 if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream,
|
|
|
1925 &prev->upstream,
|
|
|
1926 ngx_http_proxy_hide_headers, &hash)
|
|
198
|
1927 != NGX_OK)
|
|
|
1928 {
|
|
|
1929 return NGX_CONF_ERROR;
|
|
|
1930 }
|
|
|
1931
|
|
260
|
1932 if (conf->upstream.upstream == NULL) {
|
|
|
1933 conf->upstream.upstream = prev->upstream.upstream;
|
|
348
|
1934 conf->vars = prev->vars;
|
|
58
|
1935 }
|
|
|
1936
|
|
126
|
1937
|
|
|
1938 if (conf->body_source.data == NULL) {
|
|
|
1939 conf->body_source = prev->body_source;
|
|
|
1940 conf->body_set_len = prev->body_set_len;
|
|
|
1941 conf->body_set = prev->body_set;
|
|
|
1942 }
|
|
|
1943
|
|
128
|
1944 if (conf->body_source.data && conf->body_set_len == NULL) {
|
|
126
|
1945
|
|
|
1946 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1947
|
|
|
1948 sc.cf = cf;
|
|
|
1949 sc.source = &conf->body_source;
|
|
|
1950 sc.flushes = &conf->flushes;
|
|
|
1951 sc.lengths = &conf->body_set_len;
|
|
|
1952 sc.values = &conf->body_set;
|
|
|
1953 sc.complete_lengths = 1;
|
|
|
1954 sc.complete_values = 1;
|
|
|
1955
|
|
|
1956 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1957 return NGX_CONF_ERROR;
|
|
|
1958 }
|
|
|
1959
|
|
|
1960 if (conf->headers_source == NULL) {
|
|
|
1961 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
1962 sizeof(ngx_keyval_t));
|
|
126
|
1963 if (conf->headers_source == NULL) {
|
|
|
1964 return NGX_CONF_ERROR;
|
|
|
1965 }
|
|
|
1966 }
|
|
|
1967
|
|
|
1968 s = ngx_array_push(conf->headers_source);
|
|
|
1969 if (s == NULL) {
|
|
|
1970 return NGX_CONF_ERROR;
|
|
|
1971 }
|
|
|
1972
|
|
|
1973 s->key.len = sizeof("Content-Length") - 1;
|
|
|
1974 s->key.data = (u_char *) "Content-Length";
|
|
|
1975 s->value.len = sizeof("$proxy_internal_body_length") - 1;
|
|
|
1976 s->value.data = (u_char *) "$proxy_internal_body_length";
|
|
|
1977 }
|
|
|
1978
|
|
|
1979
|
|
58
|
1980 if (conf->headers_source == NULL) {
|
|
122
|
1981 conf->flushes = prev->flushes;
|
|
58
|
1982 conf->headers_set_len = prev->headers_set_len;
|
|
|
1983 conf->headers_set = prev->headers_set;
|
|
|
1984 conf->headers_set_hash = prev->headers_set_hash;
|
|
122
|
1985 conf->headers_source = prev->headers_source;
|
|
58
|
1986 }
|
|
|
1987
|
|
198
|
1988 if (conf->headers_set_hash.buckets) {
|
|
58
|
1989 return NGX_CONF_OK;
|
|
|
1990 }
|
|
|
1991
|
|
|
1992
|
|
198
|
1993 conf->headers_names = ngx_array_create(cf->pool, 4, sizeof(ngx_hash_key_t));
|
|
58
|
1994 if (conf->headers_names == NULL) {
|
|
|
1995 return NGX_CONF_ERROR;
|
|
|
1996 }
|
|
|
1997
|
|
|
1998 if (conf->headers_source == NULL) {
|
|
|
1999 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
2000 sizeof(ngx_keyval_t));
|
|
58
|
2001 if (conf->headers_source == NULL) {
|
|
|
2002 return NGX_CONF_ERROR;
|
|
|
2003 }
|
|
|
2004 }
|
|
|
2005
|
|
|
2006 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1);
|
|
|
2007 if (conf->headers_set_len == NULL) {
|
|
|
2008 return NGX_CONF_ERROR;
|
|
|
2009 }
|
|
|
2010
|
|
|
2011 conf->headers_set = ngx_array_create(cf->pool, 512, 1);
|
|
|
2012 if (conf->headers_set == NULL) {
|
|
|
2013 return NGX_CONF_ERROR;
|
|
|
2014 }
|
|
|
2015
|
|
|
2016
|
|
|
2017 src = conf->headers_source->elts;
|
|
|
2018
|
|
|
2019 for (h = ngx_http_proxy_headers; h->key.len; h++) {
|
|
|
2020
|
|
|
2021 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
2022 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
|
2023 goto next;
|
|
|
2024 }
|
|
|
2025 }
|
|
|
2026
|
|
|
2027 s = ngx_array_push(conf->headers_source);
|
|
|
2028 if (s == NULL) {
|
|
|
2029 return NGX_CONF_ERROR;
|
|
|
2030 }
|
|
|
2031
|
|
|
2032 *s = *h;
|
|
|
2033
|
|
66
|
2034 src = conf->headers_source->elts;
|
|
|
2035
|
|
58
|
2036 next:
|
|
|
2037
|
|
|
2038 continue;
|
|
|
2039 }
|
|
|
2040
|
|
126
|
2041
|
|
|
2042 src = conf->headers_source->elts;
|
|
58
|
2043 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
2044
|
|
198
|
2045 hk = ngx_array_push(conf->headers_names);
|
|
|
2046 if (hk == NULL) {
|
|
58
|
2047 return NGX_CONF_ERROR;
|
|
|
2048 }
|
|
|
2049
|
|
198
|
2050 hk->key = src[i].key;
|
|
|
2051 hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len);
|
|
|
2052 hk->value = (void *) 1;
|
|
58
|
2053
|
|
68
|
2054 if (src[i].value.len == 0) {
|
|
|
2055 continue;
|
|
|
2056 }
|
|
|
2057
|
|
58
|
2058 if (ngx_http_script_variables_count(&src[i].value) == 0) {
|
|
|
2059 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2060 sizeof(ngx_http_script_copy_code_t));
|
|
|
2061 if (copy == NULL) {
|
|
|
2062 return NGX_CONF_ERROR;
|
|
|
2063 }
|
|
|
2064
|
|
|
2065 copy->code = (ngx_http_script_code_pt)
|
|
|
2066 ngx_http_script_copy_len_code;
|
|
|
2067 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
2068 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
2069
|
|
|
2070
|
|
|
2071 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2072 + src[i].key.len + sizeof(": ") - 1
|
|
|
2073 + src[i].value.len + sizeof(CRLF) - 1
|
|
|
2074 + sizeof(uintptr_t) - 1)
|
|
|
2075 & ~(sizeof(uintptr_t) - 1);
|
|
|
2076
|
|
|
2077 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2078 if (copy == NULL) {
|
|
|
2079 return NGX_CONF_ERROR;
|
|
|
2080 }
|
|
|
2081
|
|
|
2082 copy->code = ngx_http_script_copy_code;
|
|
|
2083 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
2084 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
2085
|
|
|
2086 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2087
|
|
|
2088 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
2089 *p++ = ':'; *p++ = ' ';
|
|
|
2090 p = ngx_cpymem(p, src[i].value.data, src[i].value.len);
|
|
|
2091 *p++ = CR; *p = LF;
|
|
|
2092
|
|
|
2093 } else {
|
|
|
2094 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2095 sizeof(ngx_http_script_copy_code_t));
|
|
|
2096 if (copy == NULL) {
|
|
|
2097 return NGX_CONF_ERROR;
|
|
|
2098 }
|
|
|
2099
|
|
|
2100 copy->code = (ngx_http_script_code_pt)
|
|
|
2101 ngx_http_script_copy_len_code;
|
|
|
2102 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
2103
|
|
|
2104
|
|
|
2105 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2106 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1)
|
|
|
2107 & ~(sizeof(uintptr_t) - 1);
|
|
|
2108
|
|
|
2109 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2110 if (copy == NULL) {
|
|
|
2111 return NGX_CONF_ERROR;
|
|
|
2112 }
|
|
|
2113
|
|
|
2114 copy->code = ngx_http_script_copy_code;
|
|
|
2115 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
2116
|
|
|
2117 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2118 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
2119 *p++ = ':'; *p = ' ';
|
|
|
2120
|
|
|
2121
|
|
|
2122 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2123
|
|
|
2124 sc.cf = cf;
|
|
|
2125 sc.source = &src[i].value;
|
|
122
|
2126 sc.flushes = &conf->flushes;
|
|
58
|
2127 sc.lengths = &conf->headers_set_len;
|
|
|
2128 sc.values = &conf->headers_set;
|
|
|
2129
|
|
|
2130 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2131 return NGX_CONF_ERROR;
|
|
|
2132 }
|
|
|
2133
|
|
|
2134
|
|
|
2135 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2136 sizeof(ngx_http_script_copy_code_t));
|
|
|
2137 if (copy == NULL) {
|
|
|
2138 return NGX_CONF_ERROR;
|
|
|
2139 }
|
|
|
2140
|
|
|
2141 copy->code = (ngx_http_script_code_pt)
|
|
|
2142 ngx_http_script_copy_len_code;
|
|
|
2143 copy->len = sizeof(CRLF) - 1;
|
|
|
2144
|
|
|
2145
|
|
|
2146 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2147 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1)
|
|
|
2148 & ~(sizeof(uintptr_t) - 1);
|
|
|
2149
|
|
|
2150 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2151 if (copy == NULL) {
|
|
|
2152 return NGX_CONF_ERROR;
|
|
|
2153 }
|
|
|
2154
|
|
|
2155 copy->code = ngx_http_script_copy_code;
|
|
|
2156 copy->len = sizeof(CRLF) - 1;
|
|
|
2157
|
|
|
2158 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2159 *p++ = CR; *p = LF;
|
|
|
2160 }
|
|
|
2161
|
|
|
2162 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2163 if (code == NULL) {
|
|
|
2164 return NGX_CONF_ERROR;
|
|
|
2165 }
|
|
|
2166
|
|
|
2167 *code = (uintptr_t) NULL;
|
|
|
2168
|
|
|
2169 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t));
|
|
|
2170 if (code == NULL) {
|
|
|
2171 return NGX_CONF_ERROR;
|
|
|
2172 }
|
|
|
2173
|
|
|
2174 *code = (uintptr_t) NULL;
|
|
|
2175 }
|
|
|
2176
|
|
|
2177 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2178 if (code == NULL) {
|
|
|
2179 return NGX_CONF_ERROR;
|
|
|
2180 }
|
|
|
2181
|
|
|
2182 *code = (uintptr_t) NULL;
|
|
|
2183
|
|
|
2184
|
|
198
|
2185 hash.hash = &conf->headers_set_hash;
|
|
|
2186 hash.key = ngx_hash_key_lc;
|
|
298
|
2187 hash.max_size = conf->headers_hash_max_size;
|
|
|
2188 hash.bucket_size = conf->headers_hash_bucket_size;
|
|
|
2189 hash.name = "proxy_headers_hash";
|
|
198
|
2190 hash.pool = cf->pool;
|
|
|
2191 hash.temp_pool = NULL;
|
|
|
2192
|
|
|
2193 if (ngx_hash_init(&hash, conf->headers_names->elts,
|
|
|
2194 conf->headers_names->nelts)
|
|
|
2195 != NGX_OK)
|
|
|
2196 {
|
|
|
2197 return NGX_CONF_ERROR;
|
|
|
2198 }
|
|
|
2199
|
|
58
|
2200 return NGX_CONF_OK;
|
|
|
2201 }
|
|
|
2202
|
|
|
2203
|
|
|
2204 static char *
|
|
|
2205 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2206 {
|
|
|
2207 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2208
|
|
348
|
2209 size_t add;
|
|
|
2210 u_short port;
|
|
|
2211 ngx_str_t *value, *url;
|
|
|
2212 ngx_url_t u;
|
|
|
2213 ngx_uint_t n;
|
|
|
2214 ngx_http_core_loc_conf_t *clcf;
|
|
|
2215 ngx_http_script_compile_t sc;
|
|
58
|
2216
|
|
430
|
2217 if (plcf->upstream.upstream || plcf->proxy_lengths) {
|
|
104
|
2218 return "is duplicate";
|
|
|
2219 }
|
|
|
2220
|
|
348
|
2221 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
2222
|
|
58
|
2223 value = cf->args->elts;
|
|
|
2224
|
|
|
2225 url = &value[1];
|
|
|
2226
|
|
348
|
2227 n = ngx_http_script_variables_count(url);
|
|
|
2228
|
|
|
2229 if (n) {
|
|
|
2230
|
|
|
2231 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2232
|
|
|
2233 sc.cf = cf;
|
|
|
2234 sc.source = url;
|
|
|
2235 sc.lengths = &plcf->proxy_lengths;
|
|
|
2236 sc.values = &plcf->proxy_values;
|
|
|
2237 sc.variables = n;
|
|
|
2238 sc.complete_lengths = 1;
|
|
|
2239 sc.complete_values = 1;
|
|
354
|
2240
|
|
348
|
2241 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2242 return NGX_CONF_ERROR;
|
|
|
2243 }
|
|
|
2244
|
|
|
2245 #if (NGX_HTTP_SSL)
|
|
|
2246 if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) {
|
|
|
2247 return NGX_CONF_ERROR;
|
|
|
2248 }
|
|
|
2249 #endif
|
|
|
2250
|
|
|
2251 clcf->handler = ngx_http_proxy_handler;
|
|
|
2252
|
|
|
2253 return NGX_CONF_OK;
|
|
|
2254 }
|
|
|
2255
|
|
286
|
2256 if (ngx_strncasecmp(url->data, (u_char *) "http://", 7) == 0) {
|
|
126
|
2257 add = 7;
|
|
140
|
2258 port = 80;
|
|
126
|
2259
|
|
286
|
2260 } else if (ngx_strncasecmp(url->data, (u_char *) "https://", 8) == 0) {
|
|
126
|
2261
|
|
|
2262 #if (NGX_HTTP_SSL)
|
|
348
|
2263 if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) {
|
|
|
2264 return NGX_CONF_ERROR;
|
|
|
2265 }
|
|
126
|
2266
|
|
|
2267 add = 8;
|
|
140
|
2268 port = 443;
|
|
126
|
2269 #else
|
|
|
2270 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2271 "https protocol requires SSL support");
|
|
|
2272 return NGX_CONF_ERROR;
|
|
|
2273 #endif
|
|
|
2274
|
|
|
2275 } else {
|
|
58
|
2276 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix");
|
|
|
2277 return NGX_CONF_ERROR;
|
|
|
2278 }
|
|
|
2279
|
|
200
|
2280 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
|
2281
|
|
|
2282 u.url.len = url->len - add;
|
|
|
2283 u.url.data = url->data + add;
|
|
266
|
2284 u.default_port = port;
|
|
|
2285 u.uri_part = 1;
|
|
260
|
2286 u.no_resolve = 1;
|
|
|
2287
|
|
|
2288 plcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
|
|
|
2289 if (plcf->upstream.upstream == NULL) {
|
|
58
|
2290 return NGX_CONF_ERROR;
|
|
|
2291 }
|
|
|
2292
|
|
348
|
2293 if (ngx_http_proxy_set_vars(cf->pool, &u, &plcf->vars) != NGX_OK) {
|
|
|
2294 return NGX_CONF_ERROR;
|
|
266
|
2295 }
|
|
|
2296
|
|
430
|
2297 plcf->vars.schema.len = add;
|
|
|
2298 plcf->vars.schema.data = url->data;
|
|
348
|
2299 plcf->location = clcf->name;
|
|
58
|
2300
|
|
|
2301 clcf->handler = ngx_http_proxy_handler;
|
|
|
2302
|
|
324
|
2303 if (clcf->named
|
|
58
|
2304 #if (NGX_PCRE)
|
|
324
|
2305 || clcf->regex
|
|
|
2306 #endif
|
|
|
2307 || clcf->noname)
|
|
|
2308 {
|
|
348
|
2309 if (plcf->vars.uri.len) {
|
|
122
|
2310 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2311 "\"proxy_pass\" may not have URI part in "
|
|
256
|
2312 "location given by regular expression, "
|
|
324
|
2313 "or inside named location, "
|
|
256
|
2314 "or inside the \"if\" statement, "
|
|
|
2315 "or inside the \"limit_except\" block");
|
|
122
|
2316 return NGX_CONF_ERROR;
|
|
|
2317 }
|
|
|
2318
|
|
348
|
2319 plcf->location.len = 0;
|
|
104
|
2320 }
|
|
|
2321
|
|
348
|
2322 plcf->url = *url;
|
|
58
|
2323
|
|
|
2324 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
2325 clcf->auto_redirect = 1;
|
|
|
2326 }
|
|
|
2327
|
|
|
2328 return NGX_CONF_OK;
|
|
|
2329 }
|
|
|
2330
|
|
|
2331
|
|
|
2332 static char *
|
|
|
2333 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2334 {
|
|
|
2335 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2336
|
|
|
2337 ngx_str_t *value;
|
|
|
2338 ngx_array_t *vars_lengths, *vars_values;
|
|
|
2339 ngx_http_script_compile_t sc;
|
|
|
2340 ngx_http_proxy_redirect_t *pr;
|
|
|
2341
|
|
|
2342 if (plcf->redirect == 0) {
|
|
|
2343 return NGX_CONF_OK;
|
|
|
2344 }
|
|
|
2345
|
|
|
2346 value = cf->args->elts;
|
|
|
2347
|
|
|
2348 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2349 plcf->redirect = 0;
|
|
|
2350 plcf->redirects = NULL;
|
|
|
2351 return NGX_CONF_OK;
|
|
|
2352 }
|
|
|
2353
|
|
|
2354 if (plcf->redirects == NULL) {
|
|
|
2355 plcf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
2356 sizeof(ngx_http_proxy_redirect_t));
|
|
|
2357 if (plcf->redirects == NULL) {
|
|
|
2358 return NGX_CONF_ERROR;
|
|
|
2359 }
|
|
|
2360 }
|
|
|
2361
|
|
|
2362 pr = ngx_array_push(plcf->redirects);
|
|
|
2363 if (pr == NULL) {
|
|
|
2364 return NGX_CONF_ERROR;
|
|
|
2365 }
|
|
|
2366
|
|
|
2367 if (cf->args->nelts == 2 && ngx_strcmp(value[1].data, "default") == 0) {
|
|
348
|
2368 if (plcf->url.data == NULL) {
|
|
58
|
2369 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2370 "\"proxy_rewrite_location default\" must go "
|
|
|
2371 "after the \"proxy_pass\" directive");
|
|
|
2372 return NGX_CONF_ERROR;
|
|
|
2373 }
|
|
|
2374
|
|
|
2375 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
348
|
2376 pr->redirect = plcf->url;
|
|
|
2377
|
|
|
2378 if (plcf->vars.uri.len) {
|
|
|
2379 pr->replacement.text = plcf->location;
|
|
202
|
2380
|
|
|
2381 } else {
|
|
|
2382 pr->replacement.text.len = 0;
|
|
|
2383 pr->replacement.text.data = NULL;
|
|
|
2384 }
|
|
58
|
2385
|
|
|
2386 return NGX_CONF_OK;
|
|
|
2387 }
|
|
|
2388
|
|
|
2389 if (ngx_http_script_variables_count(&value[2]) == 0) {
|
|
|
2390 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2391 pr->redirect = value[1];
|
|
|
2392 pr->replacement.text = value[2];
|
|
|
2393
|
|
|
2394 return NGX_CONF_OK;
|
|
|
2395 }
|
|
|
2396
|
|
|
2397 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2398
|
|
|
2399 vars_lengths = NULL;
|
|
|
2400 vars_values = NULL;
|
|
|
2401
|
|
|
2402 sc.cf = cf;
|
|
|
2403 sc.source = &value[2];
|
|
|
2404 sc.lengths = &vars_lengths;
|
|
|
2405 sc.values = &vars_values;
|
|
|
2406 sc.complete_lengths = 1;
|
|
|
2407 sc.complete_values = 1;
|
|
|
2408
|
|
|
2409 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2410 return NGX_CONF_ERROR;
|
|
|
2411 }
|
|
|
2412
|
|
|
2413 pr->handler = ngx_http_proxy_rewrite_redirect_vars;
|
|
|
2414 pr->redirect = value[1];
|
|
|
2415 pr->replacement.vars.lengths = vars_lengths->elts;
|
|
|
2416 pr->replacement.vars.values = vars_values->elts;
|
|
|
2417
|
|
|
2418 return NGX_CONF_OK;
|
|
|
2419 }
|
|
|
2420
|
|
|
2421
|
|
|
2422 static char *
|
|
320
|
2423 ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2424 {
|
|
|
2425 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2426
|
|
|
2427 ngx_str_t *value;
|
|
|
2428 ngx_http_script_compile_t sc;
|
|
|
2429
|
|
|
2430 if (plcf->upstream.store != NGX_CONF_UNSET || plcf->upstream.store_lengths)
|
|
|
2431 {
|
|
|
2432 return "is duplicate";
|
|
|
2433 }
|
|
|
2434
|
|
|
2435 value = cf->args->elts;
|
|
|
2436
|
|
|
2437 if (ngx_strcmp(value[1].data, "on") == 0) {
|
|
|
2438 plcf->upstream.store = 1;
|
|
|
2439 return NGX_CONF_OK;
|
|
|
2440 }
|
|
|
2441
|
|
|
2442 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2443 plcf->upstream.store = 0;
|
|
|
2444 return NGX_CONF_OK;
|
|
|
2445 }
|
|
|
2446
|
|
|
2447 /* include the terminating '\0' into script */
|
|
|
2448 value[1].len++;
|
|
|
2449
|
|
|
2450 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2451
|
|
|
2452 sc.cf = cf;
|
|
|
2453 sc.source = &value[1];
|
|
|
2454 sc.lengths = &plcf->upstream.store_lengths;
|
|
|
2455 sc.values = &plcf->upstream.store_values;
|
|
340
|
2456 sc.variables = ngx_http_script_variables_count(&value[1]);
|
|
320
|
2457 sc.complete_lengths = 1;
|
|
|
2458 sc.complete_values = 1;
|
|
|
2459
|
|
|
2460 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2461 return NGX_CONF_ERROR;
|
|
|
2462 }
|
|
|
2463
|
|
|
2464 return NGX_CONF_OK;
|
|
|
2465 }
|
|
|
2466
|
|
|
2467
|
|
|
2468 static char *
|
|
58
|
2469 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data)
|
|
|
2470 {
|
|
|
2471 #if (NGX_FREEBSD)
|
|
|
2472 ssize_t *np = data;
|
|
|
2473
|
|
222
|
2474 if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) {
|
|
58
|
2475 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2476 "\"proxy_send_lowat\" must be less than %d "
|
|
|
2477 "(sysctl net.inet.tcp.sendspace)",
|
|
|
2478 ngx_freebsd_net_inet_tcp_sendspace);
|
|
|
2479
|
|
|
2480 return NGX_CONF_ERROR;
|
|
|
2481 }
|
|
|
2482
|
|
|
2483 #elif !(NGX_HAVE_SO_SNDLOWAT)
|
|
|
2484 ssize_t *np = data;
|
|
|
2485
|
|
|
2486 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
2487 "\"proxy_send_lowat\" is not supported, ignored");
|
|
|
2488
|
|
|
2489 *np = 0;
|
|
|
2490
|
|
|
2491 #endif
|
|
|
2492
|
|
|
2493 return NGX_CONF_OK;
|
|
|
2494 }
|
|
260
|
2495
|
|
|
2496
|
|
|
2497 static char *
|
|
|
2498 ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf,
|
|
|
2499 ngx_command_t *cmd, void *conf)
|
|
|
2500 {
|
|
|
2501 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2502 "\"proxy_upstream_max_fails\" is not supported, "
|
|
|
2503 "use the \"max_fails\" parameter of the \"server\" directive ",
|
|
|
2504 "inside the \"upstream\" block");
|
|
|
2505
|
|
|
2506 return NGX_CONF_ERROR;
|
|
|
2507 }
|
|
|
2508
|
|
|
2509
|
|
|
2510 static char *
|
|
|
2511 ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
|
|
|
2512 ngx_command_t *cmd, void *conf)
|
|
|
2513 {
|
|
|
2514 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2515 "\"proxy_upstream_fail_timeout\" is not supported, "
|
|
|
2516 "use the \"fail_timeout\" parameter of the \"server\" directive ",
|
|
|
2517 "inside the \"upstream\" block");
|
|
|
2518
|
|
|
2519 return NGX_CONF_ERROR;
|
|
|
2520 }
|
|
348
|
2521
|
|
|
2522
|
|
|
2523 #if (NGX_HTTP_SSL)
|
|
|
2524
|
|
|
2525 static ngx_int_t
|
|
|
2526 ngx_http_proxy_set_ssl(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *plcf)
|
|
|
2527 {
|
|
|
2528 ngx_pool_cleanup_t *cln;
|
|
|
2529
|
|
|
2530 plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t));
|
|
|
2531 if (plcf->upstream.ssl == NULL) {
|
|
|
2532 return NGX_ERROR;
|
|
|
2533 }
|
|
|
2534
|
|
|
2535 plcf->upstream.ssl->log = cf->log;
|
|
|
2536
|
|
|
2537 if (ngx_ssl_create(plcf->upstream.ssl,
|
|
|
2538 NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1, NULL)
|
|
|
2539 != NGX_OK)
|
|
|
2540 {
|
|
|
2541 return NGX_ERROR;
|
|
|
2542 }
|
|
|
2543
|
|
|
2544 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
2545 if (cln == NULL) {
|
|
|
2546 return NGX_ERROR;
|
|
|
2547 }
|
|
|
2548
|
|
|
2549 cln->handler = ngx_ssl_cleanup_ctx;
|
|
|
2550 cln->data = plcf->upstream.ssl;
|
|
|
2551
|
|
|
2552 return NGX_OK;
|
|
|
2553 }
|
|
|
2554
|
|
|
2555 #endif
|
|
|
2556
|
|
|
2557
|
|
|
2558 static ngx_int_t
|
|
|
2559 ngx_http_proxy_set_vars(ngx_pool_t *pool, ngx_url_t *u,
|
|
|
2560 ngx_http_proxy_vars_t *v)
|
|
|
2561 {
|
|
400
|
2562 if (u->family != AF_UNIX) {
|
|
348
|
2563 if (u->no_port || u->port == u->default_port) {
|
|
|
2564 v->host_header = u->host;
|
|
|
2565
|
|
|
2566 if (u->default_port == 80) {
|
|
|
2567 v->port.len = sizeof("80") - 1;
|
|
|
2568 v->port.data = (u_char *) "80";
|
|
|
2569
|
|
|
2570 } else {
|
|
|
2571 v->port.len = sizeof("443") - 1;
|
|
|
2572 v->port.data = (u_char *) "443";
|
|
|
2573 }
|
|
|
2574
|
|
|
2575 } else {
|
|
354
|
2576 v->host_header.len = u->host.len + 1 + u->port_text.len;
|
|
|
2577 v->host_header.data = u->host.data;
|
|
|
2578 v->port = u->port_text;
|
|
348
|
2579 }
|
|
|
2580
|
|
|
2581 } else {
|
|
|
2582 v->host_header.len = sizeof("localhost") - 1;
|
|
|
2583 v->host_header.data = (u_char *) "localhost";
|
|
|
2584 v->port.len = 0;
|
|
|
2585 v->port.data = (u_char *) "";
|
|
|
2586 }
|
|
|
2587
|
|
|
2588 v->uri = u->uri;
|
|
|
2589
|
|
|
2590 return NGX_OK;
|
|
|
2591 }
|
