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