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