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