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