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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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200
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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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130
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145 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_header_buffer_size = {
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146 ngx_conf_deprecated, "proxy_header_buffer_size", "proxy_buffer_size"
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147 };
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148
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206
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149 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_redirect_errors = {
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150 ngx_conf_deprecated, "proxy_redirect_errors", "proxy_intercept_errors"
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151 };
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152
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58
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153
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154 static ngx_conf_bitmask_t ngx_http_proxy_next_upstream_masks[] = {
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155 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
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156 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
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157 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
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158 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
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172
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159 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 },
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160 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
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214
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161 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF },
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58
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162 { ngx_null_string, 0 }
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163 };
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164
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165
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166 static ngx_command_t ngx_http_proxy_commands[] = {
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167
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168 { ngx_string("proxy_pass"),
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256
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169 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1,
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170 ngx_http_proxy_pass,
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171 NGX_HTTP_LOC_CONF_OFFSET,
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172 0,
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173 NULL },
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174
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175 { ngx_string("proxy_redirect"),
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176 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
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177 ngx_http_proxy_redirect,
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178 NGX_HTTP_LOC_CONF_OFFSET,
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179 0,
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180 NULL },
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181
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318
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182 { ngx_string("proxy_store"),
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320
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183 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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184 ngx_http_proxy_store,
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185 NGX_HTTP_LOC_CONF_OFFSET,
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186 0,
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187 NULL },
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188
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189 { ngx_string("proxy_store_access"),
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318
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190 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123,
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191 ngx_conf_set_access_slot,
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192 NGX_HTTP_LOC_CONF_OFFSET,
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320
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193 offsetof(ngx_http_proxy_loc_conf_t, upstream.store_access),
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318
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194 NULL },
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195
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130
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196 { ngx_string("proxy_buffering"),
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197 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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198 ngx_conf_set_flag_slot,
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199 NGX_HTTP_LOC_CONF_OFFSET,
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200 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffering),
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201 NULL },
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202
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178
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203 { ngx_string("proxy_ignore_client_abort"),
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204 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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205 ngx_conf_set_flag_slot,
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206 NGX_HTTP_LOC_CONF_OFFSET,
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207 offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_client_abort),
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208 NULL },
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209
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58
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210 { ngx_string("proxy_connect_timeout"),
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211 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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212 ngx_conf_set_msec_slot,
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213 NGX_HTTP_LOC_CONF_OFFSET,
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214 offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout),
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215 NULL },
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216
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217 { ngx_string("proxy_send_timeout"),
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218 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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219 ngx_conf_set_msec_slot,
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220 NGX_HTTP_LOC_CONF_OFFSET,
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221 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout),
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222 NULL },
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223
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224 { ngx_string("proxy_send_lowat"),
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225 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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226 ngx_conf_set_size_slot,
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227 NGX_HTTP_LOC_CONF_OFFSET,
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228 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat),
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229 &ngx_http_proxy_lowat_post },
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230
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206
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231 { ngx_string("proxy_intercept_errors"),
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232 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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233 ngx_conf_set_flag_slot,
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234 NGX_HTTP_LOC_CONF_OFFSET,
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235 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors),
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236 NULL },
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237
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58
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238 { ngx_string("proxy_redirect_errors"),
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239 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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240 ngx_conf_set_flag_slot,
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241 NGX_HTTP_LOC_CONF_OFFSET,
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206
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242 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors),
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243 &ngx_conf_deprecated_proxy_redirect_errors },
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58
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244
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245 { ngx_string("proxy_set_header"),
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246 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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198
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247 ngx_conf_set_keyval_slot,
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58
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248 NGX_HTTP_LOC_CONF_OFFSET,
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249 offsetof(ngx_http_proxy_loc_conf_t, headers_source),
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250 NULL },
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251
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298
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252 { ngx_string("proxy_headers_hash_max_size"),
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253 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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254 ngx_conf_set_num_slot,
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255 NGX_HTTP_LOC_CONF_OFFSET,
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256 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_max_size),
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257 NULL },
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258
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259 { ngx_string("proxy_headers_hash_bucket_size"),
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260 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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261 ngx_conf_set_num_slot,
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262 NGX_HTTP_LOC_CONF_OFFSET,
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263 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_bucket_size),
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264 NULL },
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265
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126
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266 { ngx_string("proxy_set_body"),
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267 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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268 ngx_conf_set_str_slot,
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269 NGX_HTTP_LOC_CONF_OFFSET,
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270 offsetof(ngx_http_proxy_loc_conf_t, body_source),
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271 NULL },
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272
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58
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273 { ngx_string("proxy_method"),
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274 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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110
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275 ngx_conf_set_str_slot,
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58
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276 NGX_HTTP_LOC_CONF_OFFSET,
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110
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277 offsetof(ngx_http_proxy_loc_conf_t, method),
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278 NULL },
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58
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279
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280 { ngx_string("proxy_pass_request_headers"),
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281 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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282 ngx_conf_set_flag_slot,
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283 NGX_HTTP_LOC_CONF_OFFSET,
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284 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers),
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285 NULL },
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286
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287 { ngx_string("proxy_pass_request_body"),
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288 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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289 ngx_conf_set_flag_slot,
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290 NGX_HTTP_LOC_CONF_OFFSET,
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291 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body),
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292 NULL },
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293
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130
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294 { ngx_string("proxy_buffer_size"),
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295 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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296 ngx_conf_set_size_slot,
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297 NGX_HTTP_LOC_CONF_OFFSET,
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298 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
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299 NULL },
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300
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58
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301 { ngx_string("proxy_header_buffer_size"),
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302 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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303 ngx_conf_set_size_slot,
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304 NGX_HTTP_LOC_CONF_OFFSET,
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130
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305 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
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306 &ngx_conf_deprecated_proxy_header_buffer_size },
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58
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307
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308 { ngx_string("proxy_read_timeout"),
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309 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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310 ngx_conf_set_msec_slot,
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311 NGX_HTTP_LOC_CONF_OFFSET,
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312 offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout),
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313 NULL },
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314
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315 { ngx_string("proxy_buffers"),
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316 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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317 ngx_conf_set_bufs_slot,
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318 NGX_HTTP_LOC_CONF_OFFSET,
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319 offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs),
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320 NULL },
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321
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322 { ngx_string("proxy_busy_buffers_size"),
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323 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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324 ngx_conf_set_size_slot,
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325 NGX_HTTP_LOC_CONF_OFFSET,
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78
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326 offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf),
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58
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327 NULL },
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328
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329 { ngx_string("proxy_temp_path"),
|
|
|
330 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
|
|
|
331 ngx_conf_set_path_slot,
|
|
|
332 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
333 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path),
|
|
|
334 (void *) ngx_garbage_collector_temp_handler },
|
|
|
335
|
|
|
336 { ngx_string("proxy_max_temp_file_size"),
|
|
|
337 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
338 ngx_conf_set_size_slot,
|
|
|
339 NGX_HTTP_LOC_CONF_OFFSET,
|
|
78
|
340 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf),
|
|
58
|
341 NULL },
|
|
|
342
|
|
|
343 { ngx_string("proxy_temp_file_write_size"),
|
|
|
344 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
345 ngx_conf_set_size_slot,
|
|
|
346 NGX_HTTP_LOC_CONF_OFFSET,
|
|
78
|
347 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_file_write_size_conf),
|
|
58
|
348 NULL },
|
|
|
349
|
|
|
350 { ngx_string("proxy_next_upstream"),
|
|
96
|
351 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
58
|
352 ngx_conf_set_bitmask_slot,
|
|
|
353 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
354 offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream),
|
|
|
355 &ngx_http_proxy_next_upstream_masks },
|
|
|
356
|
|
110
|
357 { ngx_string("proxy_upstream_max_fails"),
|
|
|
358 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
260
|
359 ngx_http_proxy_upstream_max_fails_unsupported,
|
|
|
360 0,
|
|
|
361 0,
|
|
110
|
362 NULL },
|
|
|
363
|
|
|
364 { ngx_string("proxy_upstream_fail_timeout"),
|
|
|
365 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
260
|
366 ngx_http_proxy_upstream_fail_timeout_unsupported,
|
|
|
367 0,
|
|
|
368 0,
|
|
110
|
369 NULL },
|
|
|
370
|
|
198
|
371 { ngx_string("proxy_pass_header"),
|
|
58
|
372 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
198
|
373 ngx_conf_set_str_array_slot,
|
|
58
|
374 NGX_HTTP_LOC_CONF_OFFSET,
|
|
198
|
375 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_headers),
|
|
58
|
376 NULL },
|
|
|
377
|
|
198
|
378 { ngx_string("proxy_hide_header"),
|
|
58
|
379 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
198
|
380 ngx_conf_set_str_array_slot,
|
|
58
|
381 NGX_HTTP_LOC_CONF_OFFSET,
|
|
198
|
382 offsetof(ngx_http_proxy_loc_conf_t, upstream.hide_headers),
|
|
58
|
383 NULL },
|
|
|
384
|
|
|
385 ngx_null_command
|
|
|
386 };
|
|
|
387
|
|
|
388
|
|
216
|
389 static ngx_http_module_t ngx_http_proxy_module_ctx = {
|
|
58
|
390 ngx_http_proxy_add_variables, /* preconfiguration */
|
|
|
391 NULL, /* postconfiguration */
|
|
|
392
|
|
|
393 NULL, /* create main configuration */
|
|
|
394 NULL, /* init main configuration */
|
|
|
395
|
|
|
396 NULL, /* create server configuration */
|
|
|
397 NULL, /* merge server configuration */
|
|
|
398
|
|
|
399 ngx_http_proxy_create_loc_conf, /* create location configration */
|
|
|
400 ngx_http_proxy_merge_loc_conf /* merge location configration */
|
|
|
401 };
|
|
|
402
|
|
|
403
|
|
|
404 ngx_module_t ngx_http_proxy_module = {
|
|
|
405 NGX_MODULE_V1,
|
|
|
406 &ngx_http_proxy_module_ctx, /* module context */
|
|
|
407 ngx_http_proxy_commands, /* module directives */
|
|
|
408 NGX_HTTP_MODULE, /* module type */
|
|
90
|
409 NULL, /* init master */
|
|
58
|
410 NULL, /* init module */
|
|
90
|
411 NULL, /* init process */
|
|
|
412 NULL, /* init thread */
|
|
|
413 NULL, /* exit thread */
|
|
|
414 NULL, /* exit process */
|
|
|
415 NULL, /* exit master */
|
|
|
416 NGX_MODULE_V1_PADDING
|
|
58
|
417 };
|
|
|
418
|
|
|
419
|
|
|
420 static char ngx_http_proxy_version[] = " HTTP/1.0" CRLF;
|
|
|
421
|
|
|
422
|
|
198
|
423 static ngx_keyval_t ngx_http_proxy_headers[] = {
|
|
|
424 { ngx_string("Host"), ngx_string("$proxy_host") },
|
|
|
425 { ngx_string("Connection"), ngx_string("close") },
|
|
|
426 { ngx_string("Keep-Alive"), ngx_string("") },
|
|
380
|
427 { ngx_string("Expect"), ngx_string("") },
|
|
198
|
428 { ngx_null_string, ngx_null_string }
|
|
|
429 };
|
|
|
430
|
|
|
431
|
|
|
432 static ngx_str_t ngx_http_proxy_hide_headers[] = {
|
|
|
433 ngx_string("Date"),
|
|
|
434 ngx_string("Server"),
|
|
|
435 ngx_string("X-Pad"),
|
|
|
436 ngx_string("X-Accel-Expires"),
|
|
|
437 ngx_string("X-Accel-Redirect"),
|
|
|
438 ngx_string("X-Accel-Limit-Rate"),
|
|
364
|
439 ngx_string("X-Accel-Buffering"),
|
|
|
440 ngx_string("X-Accel-Charset"),
|
|
198
|
441 ngx_null_string
|
|
58
|
442 };
|
|
|
443
|
|
|
444
|
|
|
445 static ngx_http_variable_t ngx_http_proxy_vars[] = {
|
|
|
446
|
|
186
|
447 { ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0,
|
|
366
|
448 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
449
|
|
186
|
450 { ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0,
|
|
366
|
451 NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
452
|
|
186
|
453 { ngx_string("proxy_add_x_forwarded_for"), NULL,
|
|
132
|
454 ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
455
|
|
|
456 #if 0
|
|
186
|
457 { ngx_string("proxy_add_via"), NULL, NULL, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
458 #endif
|
|
|
459
|
|
186
|
460 { ngx_string("proxy_internal_body_length"), NULL,
|
|
132
|
461 ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
126
|
462
|
|
186
|
463 { ngx_null_string, NULL, NULL, 0, 0, 0 }
|
|
58
|
464 };
|
|
|
465
|
|
|
466
|
|
|
467 static ngx_int_t
|
|
|
468 ngx_http_proxy_handler(ngx_http_request_t *r)
|
|
126
|
469 {
|
|
58
|
470 ngx_int_t rc;
|
|
|
471 ngx_http_upstream_t *u;
|
|
348
|
472 ngx_http_proxy_ctx_t *ctx;
|
|
58
|
473 ngx_http_proxy_loc_conf_t *plcf;
|
|
126
|
474
|
|
58
|
475 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t));
|
|
|
476 if (u == NULL) {
|
|
|
477 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
478 }
|
|
126
|
479
|
|
348
|
480 r->upstream = u;
|
|
|
481
|
|
|
482 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t));
|
|
|
483 if (ctx == NULL) {
|
|
|
484 return NGX_ERROR;
|
|
|
485 }
|
|
|
486
|
|
|
487 ngx_http_set_ctx(r, ctx, ngx_http_proxy_module);
|
|
|
488
|
|
|
489 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
490
|
|
|
491 if (plcf->proxy_lengths == 0) {
|
|
|
492 ctx->vars = plcf->vars;
|
|
|
493 u->schema = plcf->upstream.schema;
|
|
|
494 #if (NGX_HTTP_SSL)
|
|
|
495 u->ssl = (plcf->upstream.ssl != NULL);
|
|
|
496 #endif
|
|
|
497
|
|
|
498 } else {
|
|
|
499 if (ngx_http_proxy_eval(r, ctx, plcf) != NGX_OK) {
|
|
|
500 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
501 }
|
|
|
502 }
|
|
|
503
|
|
58
|
504 u->peer.log = r->connection->log;
|
|
|
505 u->peer.log_error = NGX_ERROR_ERR;
|
|
|
506 #if (NGX_THREADS)
|
|
|
507 u->peer.lock = &r->connection->lock;
|
|
|
508 #endif
|
|
|
509
|
|
|
510 u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module;
|
|
|
511
|
|
|
512 u->conf = &plcf->upstream;
|
|
|
513
|
|
|
514 u->create_request = ngx_http_proxy_create_request;
|
|
|
515 u->reinit_request = ngx_http_proxy_reinit_request;
|
|
|
516 u->process_header = ngx_http_proxy_process_status_line;
|
|
|
517 u->abort_request = ngx_http_proxy_abort_request;
|
|
|
518 u->finalize_request = ngx_http_proxy_finalize_request;
|
|
|
519
|
|
|
520 if (plcf->redirects) {
|
|
|
521 u->rewrite_redirect = ngx_http_proxy_rewrite_redirect;
|
|
|
522 }
|
|
|
523
|
|
198
|
524 u->buffering = plcf->upstream.buffering;
|
|
|
525
|
|
|
526 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
|
|
|
527 if (u->pipe == NULL) {
|
|
|
528 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
130
|
529 }
|
|
58
|
530
|
|
198
|
531 u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
|
|
|
532
|
|
58
|
533 u->accel = 1;
|
|
126
|
534
|
|
58
|
535 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
|
536
|
|
|
537 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
|
538 return rc;
|
|
|
539 }
|
|
|
540
|
|
|
541 return NGX_DONE;
|
|
|
542 }
|
|
|
543
|
|
|
544
|
|
|
545 static ngx_int_t
|
|
348
|
546 ngx_http_proxy_eval(ngx_http_request_t *r, ngx_http_proxy_ctx_t *ctx,
|
|
|
547 ngx_http_proxy_loc_conf_t *plcf)
|
|
|
548 {
|
|
|
549 size_t add;
|
|
|
550 u_short port;
|
|
|
551 ngx_str_t proxy;
|
|
|
552 ngx_url_t u;
|
|
|
553
|
|
|
554 if (ngx_http_script_run(r, &proxy, plcf->proxy_lengths->elts, 0,
|
|
|
555 plcf->proxy_values->elts)
|
|
|
556 == NULL)
|
|
|
557 {
|
|
|
558 return NGX_ERROR;
|
|
|
559 }
|
|
|
560
|
|
|
561 if (ngx_strncasecmp(proxy.data, (u_char *) "http://", 7) == 0) {
|
|
|
562
|
|
|
563 add = 7;
|
|
|
564 port = 80;
|
|
|
565
|
|
|
566 #if (NGX_HTTP_SSL)
|
|
|
567
|
|
|
568 } else if (ngx_strncasecmp(proxy.data, (u_char *) "https://", 8) == 0) {
|
|
|
569
|
|
|
570 add = 8;
|
|
|
571 port = 443;
|
|
|
572 r->upstream->ssl = 1;
|
|
|
573
|
|
|
574 #endif
|
|
|
575
|
|
|
576 } else {
|
|
|
577 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
578 "invalid URL prefix in \"%V\"", &proxy);
|
|
|
579 return NGX_ERROR;
|
|
|
580 }
|
|
|
581
|
|
|
582 r->upstream->schema.len = add;
|
|
|
583 r->upstream->schema.data = proxy.data;
|
|
|
584
|
|
|
585 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
|
586
|
|
|
587 u.url.len = proxy.len - add;
|
|
|
588 u.url.data = proxy.data + add;
|
|
|
589 u.default_port = port;
|
|
|
590 u.uri_part = 1;
|
|
|
591 u.no_resolve = 1;
|
|
|
592
|
|
|
593 if (ngx_parse_url(r->pool, &u) != NGX_OK) {
|
|
|
594 if (u.err) {
|
|
|
595 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
596 "%s in upstream \"%V\"", u.err, &u.url);
|
|
|
597 }
|
|
|
598
|
|
|
599 return NGX_ERROR;
|
|
|
600 }
|
|
|
601
|
|
|
602 if (ngx_http_proxy_set_vars(r->pool, &u, &ctx->vars) != NGX_OK) {
|
|
|
603 return NGX_ERROR;
|
|
|
604 }
|
|
|
605
|
|
|
606 r->upstream->resolved = ngx_pcalloc(r->pool,
|
|
|
607 sizeof(ngx_http_upstream_resolved_t));
|
|
|
608 if (r->upstream->resolved == NULL) {
|
|
|
609 return NGX_ERROR;
|
|
|
610 }
|
|
|
611
|
|
|
612 r->upstream->resolved->host = u.host;
|
|
|
613 r->upstream->resolved->port = (in_port_t) (u.no_port ? u.default_port:
|
|
|
614 u.port);
|
|
366
|
615 r->upstream->resolved->default_port = u.default_port;
|
|
348
|
616
|
|
|
617 return NGX_OK;
|
|
|
618 }
|
|
|
619
|
|
|
620
|
|
|
621 static ngx_int_t
|
|
58
|
622 ngx_http_proxy_create_request(ngx_http_request_t *r)
|
|
|
623 {
|
|
126
|
624 size_t len, loc_len, body_len;
|
|
58
|
625 uintptr_t escape;
|
|
|
626 ngx_buf_t *b;
|
|
198
|
627 ngx_str_t method;
|
|
|
628 ngx_uint_t i, unparsed_uri;
|
|
58
|
629 ngx_chain_t *cl, *body;
|
|
|
630 ngx_list_part_t *part;
|
|
|
631 ngx_table_elt_t *header;
|
|
|
632 ngx_http_upstream_t *u;
|
|
348
|
633 ngx_http_proxy_ctx_t *ctx;
|
|
58
|
634 ngx_http_script_code_pt code;
|
|
|
635 ngx_http_script_engine_t e, le;
|
|
|
636 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
637 ngx_http_script_len_code_pt lcode;
|
|
|
638
|
|
|
639 u = r->upstream;
|
|
|
640
|
|
|
641 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
642
|
|
110
|
643 if (u->method.len) {
|
|
|
644 /* HEAD was changed to GET to cache response */
|
|
|
645 method = u->method;
|
|
|
646 method.len++;
|
|
|
647
|
|
|
648 } else if (plcf->method.len) {
|
|
|
649 method = plcf->method;
|
|
|
650
|
|
58
|
651 } else {
|
|
110
|
652 method = r->method_name;
|
|
|
653 method.len++;
|
|
58
|
654 }
|
|
|
655
|
|
352
|
656 len = method.len + sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1;
|
|
|
657
|
|
58
|
658 escape = 0;
|
|
348
|
659 loc_len = 0;
|
|
|
660 unparsed_uri = 0;
|
|
|
661
|
|
|
662 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
663
|
|
|
664 if (plcf->proxy_lengths) {
|
|
352
|
665 len += ctx->vars.uri.len;
|
|
348
|
666
|
|
|
667 } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri && r == r->main)
|
|
|
668 {
|
|
158
|
669 unparsed_uri = 1;
|
|
352
|
670 len += r->unparsed_uri.len;
|
|
58
|
671
|
|
|
672 } else {
|
|
348
|
673 loc_len = (r->valid_location && ctx->vars.uri.len) ?
|
|
|
674 plcf->location.len : 0;
|
|
|
675
|
|
336
|
676 if (r->quoted_uri || r->internal) {
|
|
58
|
677 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
|
|
|
678 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
679 }
|
|
|
680
|
|
354
|
681 len += ctx->vars.uri.len + r->uri.len - loc_len + escape
|
|
|
682 + sizeof("?") - 1 + r->args.len;
|
|
58
|
683 }
|
|
|
684
|
|
340
|
685 ngx_http_script_flush_no_cacheable_variables(r, plcf->flushes);
|
|
122
|
686
|
|
126
|
687 if (plcf->body_set_len) {
|
|
|
688 le.ip = plcf->body_set_len->elts;
|
|
|
689 le.request = r;
|
|
|
690 le.flushed = 1;
|
|
|
691 body_len = 0;
|
|
|
692
|
|
|
693 while (*(uintptr_t *) le.ip) {
|
|
|
694 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
695 body_len += lcode(&le);
|
|
|
696 }
|
|
|
697
|
|
348
|
698 ctx->internal_body_length = body_len;
|
|
126
|
699 len += body_len;
|
|
|
700 }
|
|
|
701
|
|
58
|
702 le.ip = plcf->headers_set_len->elts;
|
|
|
703 le.request = r;
|
|
122
|
704 le.flushed = 1;
|
|
58
|
705
|
|
|
706 while (*(uintptr_t *) le.ip) {
|
|
|
707 while (*(uintptr_t *) le.ip) {
|
|
|
708 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
709 len += lcode(&le);
|
|
|
710 }
|
|
|
711 le.ip += sizeof(uintptr_t);
|
|
|
712 }
|
|
|
713
|
|
|
714
|
|
|
715 if (plcf->upstream.pass_request_headers) {
|
|
|
716 part = &r->headers_in.headers.part;
|
|
|
717 header = part->elts;
|
|
|
718
|
|
|
719 for (i = 0; /* void */; i++) {
|
|
|
720
|
|
|
721 if (i >= part->nelts) {
|
|
|
722 if (part->next == NULL) {
|
|
|
723 break;
|
|
|
724 }
|
|
|
725
|
|
|
726 part = part->next;
|
|
|
727 header = part->elts;
|
|
126
|
728 i = 0;
|
|
58
|
729 }
|
|
|
730
|
|
198
|
731 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
732 header[i].lowcase_key, header[i].key.len))
|
|
58
|
733 {
|
|
|
734 continue;
|
|
|
735 }
|
|
|
736
|
|
|
737 len += header[i].key.len + sizeof(": ") - 1
|
|
|
738 + header[i].value.len + sizeof(CRLF) - 1;
|
|
|
739 }
|
|
|
740 }
|
|
|
741
|
|
|
742
|
|
|
743 b = ngx_create_temp_buf(r->pool, len);
|
|
|
744 if (b == NULL) {
|
|
|
745 return NGX_ERROR;
|
|
|
746 }
|
|
|
747
|
|
|
748 cl = ngx_alloc_chain_link(r->pool);
|
|
|
749 if (cl == NULL) {
|
|
|
750 return NGX_ERROR;
|
|
|
751 }
|
|
|
752
|
|
|
753 cl->buf = b;
|
|
|
754
|
|
|
755
|
|
|
756 /* the request line */
|
|
|
757
|
|
122
|
758 b->last = ngx_copy(b->last, method.data, method.len);
|
|
58
|
759
|
|
104
|
760 u->uri.data = b->last;
|
|
|
761
|
|
348
|
762 if (plcf->proxy_lengths) {
|
|
|
763 b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len);
|
|
|
764
|
|
|
765 } else if (unparsed_uri) {
|
|
122
|
766 b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len);
|
|
|
767
|
|
58
|
768 } else {
|
|
104
|
769 if (r->valid_location) {
|
|
348
|
770 b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len);
|
|
104
|
771 }
|
|
100
|
772
|
|
58
|
773 if (escape) {
|
|
|
774 ngx_escape_uri(b->last, r->uri.data + loc_len,
|
|
|
775 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
776 b->last += r->uri.len - loc_len + escape;
|
|
|
777
|
|
126
|
778 } else {
|
|
122
|
779 b->last = ngx_copy(b->last, r->uri.data + loc_len,
|
|
|
780 r->uri.len - loc_len);
|
|
58
|
781 }
|
|
|
782
|
|
|
783 if (r->args.len > 0) {
|
|
|
784 *b->last++ = '?';
|
|
122
|
785 b->last = ngx_copy(b->last, r->args.data, r->args.len);
|
|
58
|
786 }
|
|
|
787 }
|
|
|
788
|
|
104
|
789 u->uri.len = b->last - u->uri.data;
|
|
|
790
|
|
58
|
791 b->last = ngx_cpymem(b->last, ngx_http_proxy_version,
|
|
|
792 sizeof(ngx_http_proxy_version) - 1);
|
|
|
793
|
|
126
|
794 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
58
|
795
|
|
|
796 e.ip = plcf->headers_set->elts;
|
|
|
797 e.pos = b->last;
|
|
|
798 e.request = r;
|
|
122
|
799 e.flushed = 1;
|
|
58
|
800
|
|
|
801 le.ip = plcf->headers_set_len->elts;
|
|
|
802
|
|
|
803 while (*(uintptr_t *) le.ip) {
|
|
|
804 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
64
|
805
|
|
|
806 /* skip the header line name length */
|
|
|
807 (void) lcode(&le);
|
|
58
|
808
|
|
|
809 if (*(ngx_http_script_len_code_pt *) le.ip) {
|
|
|
810
|
|
|
811 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) {
|
|
|
812 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
813 }
|
|
|
814
|
|
|
815 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0;
|
|
|
816
|
|
|
817 } else {
|
|
|
818 e.skip = 0;
|
|
|
819 }
|
|
|
820
|
|
|
821 le.ip += sizeof(uintptr_t);
|
|
|
822
|
|
|
823 while (*(uintptr_t *) e.ip) {
|
|
|
824 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
825 code((ngx_http_script_engine_t *) &e);
|
|
126
|
826 }
|
|
58
|
827 e.ip += sizeof(uintptr_t);
|
|
|
828 }
|
|
|
829
|
|
|
830 b->last = e.pos;
|
|
|
831
|
|
|
832
|
|
|
833 if (plcf->upstream.pass_request_headers) {
|
|
|
834 part = &r->headers_in.headers.part;
|
|
|
835 header = part->elts;
|
|
126
|
836
|
|
58
|
837 for (i = 0; /* void */; i++) {
|
|
|
838
|
|
|
839 if (i >= part->nelts) {
|
|
|
840 if (part->next == NULL) {
|
|
|
841 break;
|
|
|
842 }
|
|
|
843
|
|
|
844 part = part->next;
|
|
|
845 header = part->elts;
|
|
126
|
846 i = 0;
|
|
58
|
847 }
|
|
|
848
|
|
198
|
849 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
850 header[i].lowcase_key, header[i].key.len))
|
|
58
|
851 {
|
|
|
852 continue;
|
|
|
853 }
|
|
|
854
|
|
122
|
855 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len);
|
|
58
|
856
|
|
|
857 *b->last++ = ':'; *b->last++ = ' ';
|
|
|
858
|
|
122
|
859 b->last = ngx_copy(b->last, header[i].value.data,
|
|
|
860 header[i].value.len);
|
|
58
|
861
|
|
|
862 *b->last++ = CR; *b->last++ = LF;
|
|
|
863
|
|
|
864 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
865 "http proxy header: \"%V: %V\"",
|
|
|
866 &header[i].key, &header[i].value);
|
|
|
867 }
|
|
|
868 }
|
|
|
869
|
|
126
|
870
|
|
58
|
871 /* add "\r\n" at the header end */
|
|
|
872 *b->last++ = CR; *b->last++ = LF;
|
|
|
873
|
|
126
|
874 if (plcf->body_set) {
|
|
|
875 e.ip = plcf->body_set->elts;
|
|
|
876 e.pos = b->last;
|
|
|
877
|
|
|
878 while (*(uintptr_t *) e.ip) {
|
|
|
879 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
880 code((ngx_http_script_engine_t *) &e);
|
|
|
881 }
|
|
128
|
882
|
|
|
883 b->last = e.pos;
|
|
126
|
884 }
|
|
|
885
|
|
358
|
886 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
887 "http proxy header:\n\"%*s\"",
|
|
|
888 (size_t) (b->last - b->pos), b->pos);
|
|
58
|
889
|
|
126
|
890 if (plcf->body_set == NULL && plcf->upstream.pass_request_body) {
|
|
58
|
891
|
|
|
892 body = u->request_bufs;
|
|
|
893 u->request_bufs = cl;
|
|
|
894
|
|
|
895 while (body) {
|
|
|
896 b = ngx_alloc_buf(r->pool);
|
|
|
897 if (b == NULL) {
|
|
|
898 return NGX_ERROR;
|
|
|
899 }
|
|
|
900
|
|
|
901 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
902
|
|
|
903 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
904 if (cl->next == NULL) {
|
|
|
905 return NGX_ERROR;
|
|
|
906 }
|
|
|
907
|
|
|
908 cl = cl->next;
|
|
|
909 cl->buf = b;
|
|
|
910
|
|
|
911 body = body->next;
|
|
|
912 }
|
|
|
913
|
|
160
|
914 b->flush = 1;
|
|
|
915
|
|
58
|
916 } else {
|
|
|
917 u->request_bufs = cl;
|
|
|
918 }
|
|
|
919
|
|
|
920 cl->next = NULL;
|
|
|
921
|
|
|
922 return NGX_OK;
|
|
|
923 }
|
|
|
924
|
|
|
925
|
|
|
926 static ngx_int_t
|
|
|
927 ngx_http_proxy_reinit_request(ngx_http_request_t *r)
|
|
|
928 {
|
|
348
|
929 ngx_http_proxy_ctx_t *ctx;
|
|
|
930
|
|
|
931 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
932
|
|
|
933 if (ctx == NULL) {
|
|
58
|
934 return NGX_OK;
|
|
|
935 }
|
|
|
936
|
|
348
|
937 ctx->status = 0;
|
|
|
938 ctx->status_count = 0;
|
|
|
939 ctx->status_start = NULL;
|
|
|
940 ctx->status_end = NULL;
|
|
58
|
941
|
|
|
942 r->upstream->process_header = ngx_http_proxy_process_status_line;
|
|
|
943
|
|
|
944 return NGX_OK;
|
|
|
945 }
|
|
|
946
|
|
|
947
|
|
|
948 static ngx_int_t
|
|
|
949 ngx_http_proxy_process_status_line(ngx_http_request_t *r)
|
|
|
950 {
|
|
|
951 ngx_int_t rc;
|
|
|
952 ngx_http_upstream_t *u;
|
|
348
|
953 ngx_http_proxy_ctx_t *ctx;
|
|
|
954
|
|
|
955 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
956
|
|
|
957 if (ctx == NULL) {
|
|
356
|
958 return NGX_ERROR;
|
|
58
|
959 }
|
|
|
960
|
|
348
|
961 rc = ngx_http_proxy_parse_status_line(r, ctx);
|
|
58
|
962
|
|
|
963 if (rc == NGX_AGAIN) {
|
|
|
964 return rc;
|
|
|
965 }
|
|
|
966
|
|
|
967 u = r->upstream;
|
|
|
968
|
|
|
969 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) {
|
|
|
970 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
126
|
971 "upstream sent no valid HTTP/1.0 header");
|
|
58
|
972
|
|
168
|
973 #if 0
|
|
58
|
974 if (u->accel) {
|
|
|
975 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
976 }
|
|
168
|
977 #endif
|
|
58
|
978
|
|
|
979 r->http_version = NGX_HTTP_VERSION_9;
|
|
346
|
980 u->headers_in.status_n = NGX_HTTP_OK;
|
|
|
981 u->state->status = NGX_HTTP_OK;
|
|
126
|
982
|
|
58
|
983 return NGX_OK;
|
|
|
984 }
|
|
|
985
|
|
348
|
986 u->headers_in.status_n = ctx->status;
|
|
|
987 u->state->status = ctx->status;
|
|
|
988
|
|
|
989 u->headers_in.status_line.len = ctx->status_end - ctx->status_start;
|
|
78
|
990 u->headers_in.status_line.data = ngx_palloc(r->pool,
|
|
|
991 u->headers_in.status_line.len);
|
|
|
992 if (u->headers_in.status_line.data == NULL) {
|
|
356
|
993 return NGX_ERROR;
|
|
58
|
994 }
|
|
122
|
995
|
|
348
|
996 ngx_memcpy(u->headers_in.status_line.data, ctx->status_start,
|
|
78
|
997 u->headers_in.status_line.len);
|
|
58
|
998
|
|
|
999 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1000 "http proxy status %ui \"%V\"",
|
|
270
|
1001 u->headers_in.status_n, &u->headers_in.status_line);
|
|
58
|
1002
|
|
|
1003 u->process_header = ngx_http_proxy_process_header;
|
|
|
1004
|
|
|
1005 return ngx_http_proxy_process_header(r);
|
|
|
1006 }
|
|
|
1007
|
|
|
1008
|
|
|
1009 static ngx_int_t
|
|
348
|
1010 ngx_http_proxy_parse_status_line(ngx_http_request_t *r,
|
|
|
1011 ngx_http_proxy_ctx_t *ctx)
|
|
58
|
1012 {
|
|
|
1013 u_char ch;
|
|
348
|
1014 u_char *p;
|
|
58
|
1015 ngx_http_upstream_t *u;
|
|
|
1016 enum {
|
|
|
1017 sw_start = 0,
|
|
|
1018 sw_H,
|
|
|
1019 sw_HT,
|
|
|
1020 sw_HTT,
|
|
|
1021 sw_HTTP,
|
|
|
1022 sw_first_major_digit,
|
|
|
1023 sw_major_digit,
|
|
|
1024 sw_first_minor_digit,
|
|
|
1025 sw_minor_digit,
|
|
|
1026 sw_status,
|
|
|
1027 sw_space_after_status,
|
|
|
1028 sw_status_text,
|
|
|
1029 sw_almost_done
|
|
126
|
1030 } state;
|
|
58
|
1031
|
|
|
1032 u = r->upstream;
|
|
|
1033
|
|
|
1034 state = r->state;
|
|
|
1035
|
|
348
|
1036 for (p = u->buffer.pos; p < u->buffer.last; p++) {
|
|
|
1037 ch = *p;
|
|
58
|
1038
|
|
|
1039 switch (state) {
|
|
|
1040
|
|
|
1041 /* "HTTP/" */
|
|
|
1042 case sw_start:
|
|
|
1043 switch (ch) {
|
|
126
|
1044 case 'H':
|
|
58
|
1045 state = sw_H;
|
|
|
1046 break;
|
|
|
1047 default:
|
|
|
1048 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1049 }
|
|
|
1050 break;
|
|
|
1051
|
|
126
|
1052 case sw_H:
|
|
58
|
1053 switch (ch) {
|
|
126
|
1054 case 'T':
|
|
58
|
1055 state = sw_HT;
|
|
|
1056 break;
|
|
|
1057 default:
|
|
|
1058 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1059 }
|
|
|
1060 break;
|
|
|
1061
|
|
|
1062 case sw_HT:
|
|
|
1063 switch (ch) {
|
|
126
|
1064 case 'T':
|
|
58
|
1065 state = sw_HTT;
|
|
|
1066 break;
|
|
|
1067 default:
|
|
|
1068 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1069 }
|
|
|
1070 break;
|
|
|
1071
|
|
|
1072 case sw_HTT:
|
|
|
1073 switch (ch) {
|
|
126
|
1074 case 'P':
|
|
58
|
1075 state = sw_HTTP;
|
|
|
1076 break;
|
|
|
1077 default:
|
|
|
1078 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1079 }
|
|
|
1080 break;
|
|
|
1081
|
|
|
1082 case sw_HTTP:
|
|
|
1083 switch (ch) {
|
|
126
|
1084 case '/':
|
|
58
|
1085 state = sw_first_major_digit;
|
|
|
1086 break;
|
|
|
1087 default:
|
|
|
1088 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1089 }
|
|
|
1090 break;
|
|
|
1091
|
|
|
1092 /* the first digit of major HTTP version */
|
|
|
1093 case sw_first_major_digit:
|
|
|
1094 if (ch < '1' || ch > '9') {
|
|
|
1095 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1096 }
|
|
|
1097
|
|
|
1098 state = sw_major_digit;
|
|
|
1099 break;
|
|
|
1100
|
|
|
1101 /* the major HTTP version or dot */
|
|
|
1102 case sw_major_digit:
|
|
|
1103 if (ch == '.') {
|
|
|
1104 state = sw_first_minor_digit;
|
|
|
1105 break;
|
|
|
1106 }
|
|
|
1107
|
|
|
1108 if (ch < '0' || ch > '9') {
|
|
|
1109 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1110 }
|
|
|
1111
|
|
|
1112 break;
|
|
|
1113
|
|
|
1114 /* the first digit of minor HTTP version */
|
|
|
1115 case sw_first_minor_digit:
|
|
|
1116 if (ch < '0' || ch > '9') {
|
|
|
1117 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1118 }
|
|
|
1119
|
|
|
1120 state = sw_minor_digit;
|
|
|
1121 break;
|
|
|
1122
|
|
|
1123 /* the minor HTTP version or the end of the request line */
|
|
|
1124 case sw_minor_digit:
|
|
|
1125 if (ch == ' ') {
|
|
|
1126 state = sw_status;
|
|
|
1127 break;
|
|
|
1128 }
|
|
|
1129
|
|
|
1130 if (ch < '0' || ch > '9') {
|
|
|
1131 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1132 }
|
|
|
1133
|
|
|
1134 break;
|
|
|
1135
|
|
|
1136 /* HTTP status code */
|
|
|
1137 case sw_status:
|
|
168
|
1138 if (ch == ' ') {
|
|
|
1139 break;
|
|
|
1140 }
|
|
|
1141
|
|
58
|
1142 if (ch < '0' || ch > '9') {
|
|
|
1143 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1144 }
|
|
|
1145
|
|
348
|
1146 ctx->status = ctx->status * 10 + ch - '0';
|
|
|
1147
|
|
|
1148 if (++ctx->status_count == 3) {
|
|
58
|
1149 state = sw_space_after_status;
|
|
348
|
1150 ctx->status_start = p - 2;
|
|
58
|
1151 }
|
|
|
1152
|
|
|
1153 break;
|
|
|
1154
|
|
|
1155 /* space or end of line */
|
|
|
1156 case sw_space_after_status:
|
|
|
1157 switch (ch) {
|
|
126
|
1158 case ' ':
|
|
58
|
1159 state = sw_status_text;
|
|
|
1160 break;
|
|
|
1161 case '.': /* IIS may send 403.1, 403.2, etc */
|
|
|
1162 state = sw_status_text;
|
|
|
1163 break;
|
|
|
1164 case CR:
|
|
|
1165 state = sw_almost_done;
|
|
|
1166 break;
|
|
|
1167 case LF:
|
|
|
1168 goto done;
|
|
|
1169 default:
|
|
|
1170 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1171 }
|
|
|
1172 break;
|
|
|
1173
|
|
|
1174 /* any text until end of line */
|
|
|
1175 case sw_status_text:
|
|
|
1176 switch (ch) {
|
|
|
1177 case CR:
|
|
|
1178 state = sw_almost_done;
|
|
|
1179
|
|
|
1180 break;
|
|
|
1181 case LF:
|
|
|
1182 goto done;
|
|
|
1183 }
|
|
|
1184 break;
|
|
|
1185
|
|
76
|
1186 /* end of status line */
|
|
58
|
1187 case sw_almost_done:
|
|
348
|
1188 ctx->status_end = p - 1;
|
|
58
|
1189 switch (ch) {
|
|
|
1190 case LF:
|
|
|
1191 goto done;
|
|
|
1192 default:
|
|
|
1193 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1194 }
|
|
|
1195 }
|
|
|
1196 }
|
|
|
1197
|
|
348
|
1198 u->buffer.pos = p;
|
|
58
|
1199 r->state = state;
|
|
|
1200
|
|
|
1201 return NGX_AGAIN;
|
|
|
1202
|
|
|
1203 done:
|
|
|
1204
|
|
348
|
1205 u->buffer.pos = p + 1;
|
|
|
1206
|
|
|
1207 if (ctx->status_end == NULL) {
|
|
|
1208 ctx->status_end = p;
|
|
58
|
1209 }
|
|
|
1210
|
|
|
1211 r->state = sw_start;
|
|
|
1212
|
|
|
1213 return NGX_OK;
|
|
|
1214 }
|
|
|
1215
|
|
|
1216
|
|
|
1217 static ngx_int_t
|
|
|
1218 ngx_http_proxy_process_header(ngx_http_request_t *r)
|
|
|
1219 {
|
|
|
1220 ngx_int_t rc;
|
|
198
|
1221 ngx_uint_t i;
|
|
58
|
1222 ngx_table_elt_t *h;
|
|
|
1223 ngx_http_upstream_header_t *hh;
|
|
|
1224 ngx_http_upstream_main_conf_t *umcf;
|
|
|
1225
|
|
|
1226 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
1227
|
|
376
|
1228 for ( ;; ) {
|
|
58
|
1229
|
|
130
|
1230 rc = ngx_http_parse_header_line(r, &r->upstream->buffer);
|
|
58
|
1231
|
|
|
1232 if (rc == NGX_OK) {
|
|
|
1233
|
|
|
1234 /* a header line has been parsed successfully */
|
|
|
1235
|
|
|
1236 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1237 if (h == NULL) {
|
|
356
|
1238 return NGX_ERROR;
|
|
58
|
1239 }
|
|
|
1240
|
|
|
1241 h->hash = r->header_hash;
|
|
|
1242
|
|
|
1243 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
1244 h->value.len = r->header_end - r->header_start;
|
|
|
1245
|
|
|
1246 h->key.data = ngx_palloc(r->pool,
|
|
198
|
1247 h->key.len + 1 + h->value.len + 1 + h->key.len);
|
|
58
|
1248 if (h->key.data == NULL) {
|
|
356
|
1249 return NGX_ERROR;
|
|
58
|
1250 }
|
|
|
1251
|
|
|
1252 h->value.data = h->key.data + h->key.len + 1;
|
|
198
|
1253 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1;
|
|
58
|
1254
|
|
|
1255 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
|
1256 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
|
1257
|
|
198
|
1258 if (h->key.len == r->lowcase_index) {
|
|
|
1259 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
1260
|
|
|
1261 } else {
|
|
|
1262 for (i = 0; i < h->key.len; i++) {
|
|
336
|
1263 h->lowcase_key[i] = ngx_tolower(h->key.data[i]);
|
|
58
|
1264 }
|
|
|
1265 }
|
|
|
1266
|
|
198
|
1267 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash,
|
|
|
1268 h->lowcase_key, h->key.len);
|
|
|
1269
|
|
|
1270 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
356
|
1271 return NGX_ERROR;
|
|
198
|
1272 }
|
|
|
1273
|
|
58
|
1274 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1275 "http proxy header: \"%V: %V\"",
|
|
|
1276 &h->key, &h->value);
|
|
|
1277
|
|
|
1278 continue;
|
|
|
1279 }
|
|
|
1280
|
|
|
1281 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
|
1282
|
|
|
1283 /* a whole header has been parsed successfully */
|
|
|
1284
|
|
|
1285 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1286 "http proxy header done");
|
|
|
1287
|
|
198
|
1288 /*
|
|
|
1289 * if no "Server" and "Date" in header line,
|
|
|
1290 * then add the special empty headers
|
|
|
1291 */
|
|
|
1292
|
|
|
1293 if (r->upstream->headers_in.server == NULL) {
|
|
|
1294 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1295 if (h == NULL) {
|
|
356
|
1296 return NGX_ERROR;
|
|
198
|
1297 }
|
|
|
1298
|
|
|
1299 h->hash = ngx_hash(ngx_hash(ngx_hash(ngx_hash(
|
|
|
1300 ngx_hash('s', 'e'), 'r'), 'v'), 'e'), 'r');
|
|
|
1301
|
|
|
1302 h->key.len = sizeof("Server") - 1;
|
|
|
1303 h->key.data = (u_char *) "Server";
|
|
|
1304 h->value.len = 0;
|
|
|
1305 h->value.data = NULL;
|
|
|
1306 h->lowcase_key = (u_char *) "server";
|
|
|
1307 }
|
|
|
1308
|
|
|
1309 if (r->upstream->headers_in.date == NULL) {
|
|
|
1310 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1311 if (h == NULL) {
|
|
356
|
1312 return NGX_ERROR;
|
|
198
|
1313 }
|
|
|
1314
|
|
|
1315 h->hash = ngx_hash(ngx_hash(ngx_hash('d', 'a'), 't'), 'e');
|
|
|
1316
|
|
|
1317 h->key.len = sizeof("Date") - 1;
|
|
|
1318 h->key.data = (u_char *) "Date";
|
|
|
1319 h->value.len = 0;
|
|
|
1320 h->value.data = NULL;
|
|
|
1321 h->lowcase_key = (u_char *) "date";
|
|
|
1322 }
|
|
|
1323
|
|
58
|
1324 return NGX_OK;
|
|
|
1325 }
|
|
|
1326
|
|
70
|
1327 if (rc == NGX_AGAIN) {
|
|
|
1328 return NGX_AGAIN;
|
|
|
1329 }
|
|
|
1330
|
|
58
|
1331 /* there was error while a header line parsing */
|
|
|
1332
|
|
|
1333 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
168
|
1334 "upstream sent invalid header");
|
|
58
|
1335
|
|
|
1336 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1337 }
|
|
|
1338 }
|
|
|
1339
|
|
|
1340
|
|
|
1341 static void
|
|
|
1342 ngx_http_proxy_abort_request(ngx_http_request_t *r)
|
|
|
1343 {
|
|
|
1344 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1345 "abort http proxy request");
|
|
126
|
1346
|
|
58
|
1347 return;
|
|
|
1348 }
|
|
|
1349
|
|
|
1350
|
|
|
1351 static void
|
|
|
1352 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
126
|
1353 {
|
|
58
|
1354 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1355 "finalize http proxy request");
|
|
|
1356
|
|
|
1357 return;
|
|
|
1358 }
|
|
|
1359
|
|
|
1360
|
|
122
|
1361 static ngx_int_t
|
|
|
1362 ngx_http_proxy_host_variable(ngx_http_request_t *r,
|
|
|
1363 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1364 {
|
|
348
|
1365 ngx_http_proxy_ctx_t *ctx;
|
|
|
1366
|
|
|
1367 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1368
|
|
|
1369 if (ctx == NULL) {
|
|
|
1370 v->not_found = 1;
|
|
|
1371 return NGX_OK;
|
|
|
1372 }
|
|
|
1373
|
|
|
1374 v->len = ctx->vars.host_header.len;
|
|
126
|
1375 v->valid = 1;
|
|
340
|
1376 v->no_cacheable = 0;
|
|
122
|
1377 v->not_found = 0;
|
|
348
|
1378 v->data = ctx->vars.host_header.data;
|
|
58
|
1379
|
|
122
|
1380 return NGX_OK;
|
|
58
|
1381 }
|
|
|
1382
|
|
|
1383
|
|
122
|
1384 static ngx_int_t
|
|
|
1385 ngx_http_proxy_port_variable(ngx_http_request_t *r,
|
|
|
1386 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1387 {
|
|
348
|
1388 ngx_http_proxy_ctx_t *ctx;
|
|
|
1389
|
|
|
1390 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1391
|
|
|
1392 if (ctx == NULL) {
|
|
|
1393 v->not_found = 1;
|
|
|
1394 return NGX_OK;
|
|
|
1395 }
|
|
|
1396
|
|
|
1397 v->len = ctx->vars.port.len;
|
|
126
|
1398 v->valid = 1;
|
|
340
|
1399 v->no_cacheable = 0;
|
|
122
|
1400 v->not_found = 0;
|
|
348
|
1401 v->data = ctx->vars.port.data;
|
|
58
|
1402
|
|
122
|
1403 return NGX_OK;
|
|
58
|
1404 }
|
|
|
1405
|
|
|
1406
|
|
122
|
1407 static ngx_int_t
|
|
58
|
1408 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
|
|
122
|
1409 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1410 {
|
|
122
|
1411 u_char *p;
|
|
58
|
1412
|
|
126
|
1413 v->valid = 1;
|
|
340
|
1414 v->no_cacheable = 0;
|
|
122
|
1415 v->not_found = 0;
|
|
58
|
1416
|
|
|
1417 if (r->headers_in.x_forwarded_for == NULL) {
|
|
122
|
1418 v->len = r->connection->addr_text.len;
|
|
|
1419 v->data = r->connection->addr_text.data;
|
|
|
1420 return NGX_OK;
|
|
58
|
1421 }
|
|
|
1422
|
|
122
|
1423 v->len = r->headers_in.x_forwarded_for->value.len
|
|
|
1424 + sizeof(", ") - 1 + r->connection->addr_text.len;
|
|
58
|
1425
|
|
122
|
1426 p = ngx_palloc(r->pool, v->len);
|
|
58
|
1427 if (p == NULL) {
|
|
122
|
1428 return NGX_ERROR;
|
|
58
|
1429 }
|
|
|
1430
|
|
122
|
1431 v->data = p;
|
|
58
|
1432
|
|
122
|
1433 p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data,
|
|
|
1434 r->headers_in.x_forwarded_for->value.len);
|
|
58
|
1435
|
|
|
1436 *p++ = ','; *p++ = ' ';
|
|
|
1437
|
|
|
1438 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len);
|
|
|
1439
|
|
122
|
1440 return NGX_OK;
|
|
58
|
1441 }
|
|
|
1442
|
|
|
1443
|
|
|
1444 static ngx_int_t
|
|
126
|
1445 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
|
|
|
1446 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1447 {
|
|
348
|
1448 ngx_http_proxy_ctx_t *ctx;
|
|
|
1449
|
|
|
1450 ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1451
|
|
|
1452 if (ctx == NULL) {
|
|
126
|
1453 v->not_found = 1;
|
|
|
1454 return NGX_OK;
|
|
|
1455 }
|
|
|
1456
|
|
|
1457 v->valid = 1;
|
|
340
|
1458 v->no_cacheable = 0;
|
|
126
|
1459 v->not_found = 0;
|
|
|
1460
|
|
|
1461 v->data = ngx_palloc(r->connection->pool, NGX_SIZE_T_LEN);
|
|
|
1462
|
|
|
1463 if (v->data == NULL) {
|
|
|
1464 return NGX_ERROR;
|
|
|
1465 }
|
|
|
1466
|
|
348
|
1467 v->len = ngx_sprintf(v->data, "%uz", ctx->internal_body_length) - v->data;
|
|
126
|
1468
|
|
|
1469 return NGX_OK;
|
|
|
1470 }
|
|
|
1471
|
|
|
1472
|
|
|
1473 static ngx_int_t
|
|
58
|
1474 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1475 size_t prefix)
|
|
|
1476 {
|
|
|
1477 ngx_int_t rc;
|
|
|
1478 ngx_uint_t i;
|
|
|
1479 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1480 ngx_http_proxy_redirect_t *pr;
|
|
|
1481
|
|
|
1482 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1483
|
|
|
1484 pr = plcf->redirects->elts;
|
|
|
1485
|
|
|
1486 if (pr == NULL) {
|
|
|
1487 return NGX_DECLINED;
|
|
|
1488 }
|
|
|
1489
|
|
|
1490 for (i = 0; i < plcf->redirects->nelts; i++) {
|
|
154
|
1491 rc = pr[i].handler(r, h, prefix, &pr[i]);
|
|
58
|
1492
|
|
|
1493 if (rc != NGX_DECLINED) {
|
|
|
1494 return rc;
|
|
|
1495 }
|
|
|
1496 }
|
|
|
1497
|
|
|
1498 return NGX_DECLINED;
|
|
|
1499 }
|
|
|
1500
|
|
|
1501
|
|
|
1502 static ngx_int_t
|
|
|
1503 ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1504 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1505 {
|
|
|
1506 size_t len;
|
|
|
1507 u_char *data, *p;
|
|
|
1508
|
|
|
1509 if (pr->redirect.len > h->value.len - prefix
|
|
|
1510 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1511 pr->redirect.len) != 0)
|
|
|
1512 {
|
|
|
1513 return NGX_DECLINED;
|
|
|
1514 }
|
|
|
1515
|
|
|
1516 len = prefix + pr->replacement.text.len + h->value.len - pr->redirect.len;
|
|
|
1517
|
|
|
1518 data = ngx_palloc(r->pool, len);
|
|
|
1519 if (data == NULL) {
|
|
|
1520 return NGX_ERROR;
|
|
|
1521 }
|
|
|
1522
|
|
|
1523 p = data;
|
|
|
1524
|
|
122
|
1525 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1526
|
|
202
|
1527 if (pr->replacement.text.len) {
|
|
|
1528 p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len);
|
|
|
1529 }
|
|
58
|
1530
|
|
|
1531 ngx_memcpy(p, h->value.data + prefix + pr->redirect.len,
|
|
|
1532 h->value.len - pr->redirect.len - prefix);
|
|
|
1533
|
|
|
1534 h->value.len = len;
|
|
|
1535 h->value.data = data;
|
|
|
1536
|
|
|
1537 return NGX_OK;
|
|
|
1538 }
|
|
|
1539
|
|
|
1540
|
|
|
1541 static ngx_int_t
|
|
|
1542 ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1543 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1544 {
|
|
|
1545 size_t len;
|
|
|
1546 u_char *data, *p;
|
|
|
1547 ngx_http_script_code_pt code;
|
|
|
1548 ngx_http_script_engine_t e;
|
|
|
1549 ngx_http_script_len_code_pt lcode;
|
|
|
1550
|
|
|
1551 if (pr->redirect.len > h->value.len - prefix
|
|
|
1552 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1553 pr->redirect.len) != 0)
|
|
|
1554 {
|
|
|
1555 return NGX_DECLINED;
|
|
|
1556 }
|
|
|
1557
|
|
|
1558 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
1559
|
|
|
1560 e.ip = pr->replacement.vars.lengths;
|
|
|
1561 e.request = r;
|
|
|
1562
|
|
238
|
1563 len = prefix + h->value.len - pr->redirect.len;
|
|
|
1564
|
|
|
1565 while (*(uintptr_t *) e.ip) {
|
|
58
|
1566 lcode = *(ngx_http_script_len_code_pt *) e.ip;
|
|
238
|
1567 len += lcode(&e);
|
|
58
|
1568 }
|
|
|
1569
|
|
|
1570 data = ngx_palloc(r->pool, len);
|
|
|
1571 if (data == NULL) {
|
|
|
1572 return NGX_ERROR;
|
|
|
1573 }
|
|
|
1574
|
|
|
1575 p = data;
|
|
|
1576
|
|
122
|
1577 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1578
|
|
|
1579 e.ip = pr->replacement.vars.values;
|
|
|
1580 e.pos = p;
|
|
|
1581
|
|
|
1582 while (*(uintptr_t *) e.ip) {
|
|
|
1583 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1584 code(&e);
|
|
|
1585 }
|
|
|
1586
|
|
238
|
1587 ngx_memcpy(e.pos, h->value.data + prefix + pr->redirect.len,
|
|
|
1588 h->value.len - pr->redirect.len - prefix);
|
|
|
1589
|
|
58
|
1590 h->value.len = len;
|
|
|
1591 h->value.data = data;
|
|
|
1592
|
|
|
1593 return NGX_OK;
|
|
|
1594 }
|
|
|
1595
|
|
|
1596
|
|
|
1597 static ngx_int_t
|
|
|
1598 ngx_http_proxy_add_variables(ngx_conf_t *cf)
|
|
|
1599 {
|
|
|
1600 ngx_http_variable_t *var, *v;
|
|
|
1601
|
|
|
1602 for (v = ngx_http_proxy_vars; v->name.len; v++) {
|
|
|
1603 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
1604 if (var == NULL) {
|
|
|
1605 return NGX_ERROR;
|
|
|
1606 }
|
|
|
1607
|
|
186
|
1608 var->get_handler = v->get_handler;
|
|
58
|
1609 var->data = v->data;
|
|
|
1610 }
|
|
|
1611
|
|
|
1612 return NGX_OK;
|
|
|
1613 }
|
|
|
1614
|
|
|
1615
|
|
|
1616 static void *
|
|
|
1617 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
|
|
|
1618 {
|
|
|
1619 ngx_http_proxy_loc_conf_t *conf;
|
|
|
1620
|
|
|
1621 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t));
|
|
|
1622 if (conf == NULL) {
|
|
|
1623 return NGX_CONF_ERROR;
|
|
|
1624 }
|
|
|
1625
|
|
|
1626 /*
|
|
|
1627 * set by ngx_pcalloc():
|
|
|
1628 *
|
|
|
1629 * conf->upstream.bufs.num = 0;
|
|
|
1630 * conf->upstream.next_upstream = 0;
|
|
|
1631 * conf->upstream.temp_path = NULL;
|
|
198
|
1632 * conf->upstream.hide_headers_hash = { NULL, 0 };
|
|
58
|
1633 * conf->upstream.schema = { 0, NULL };
|
|
|
1634 * conf->upstream.uri = { 0, NULL };
|
|
|
1635 * conf->upstream.location = NULL;
|
|
320
|
1636 * conf->upstream.store_lengths = NULL;
|
|
|
1637 * conf->upstream.store_values = NULL;
|
|
58
|
1638 *
|
|
110
|
1639 * conf->method = NULL;
|
|
58
|
1640 * conf->headers_source = NULL;
|
|
|
1641 * conf->headers_set_len = NULL;
|
|
|
1642 * conf->headers_set = NULL;
|
|
|
1643 * conf->headers_set_hash = NULL;
|
|
126
|
1644 * conf->body_set_len = NULL;
|
|
|
1645 * conf->body_set = NULL;
|
|
|
1646 * conf->body_source = { 0, NULL };
|
|
58
|
1647 * conf->rewrite_locations = NULL;
|
|
|
1648 */
|
|
126
|
1649
|
|
320
|
1650 conf->upstream.store = NGX_CONF_UNSET;
|
|
|
1651 conf->upstream.store_access = NGX_CONF_UNSET_UINT;
|
|
130
|
1652 conf->upstream.buffering = NGX_CONF_UNSET;
|
|
178
|
1653 conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
|
|
130
|
1654
|
|
58
|
1655 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1656 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1657 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1658
|
|
|
1659 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
130
|
1660 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
78
|
1661
|
|
|
1662 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
126
|
1663 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
78
|
1664 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
58
|
1665
|
|
|
1666 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
|
1667 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
110
|
1668
|
|
356
|
1669 conf->upstream.hide_headers = NGX_CONF_UNSET_PTR;
|
|
|
1670 conf->upstream.pass_headers = NGX_CONF_UNSET_PTR;
|
|
|
1671
|
|
206
|
1672 conf->upstream.intercept_errors = NGX_CONF_UNSET;
|
|
58
|
1673
|
|
|
1674 /* "proxy_cyclic_temp_file" is disabled */
|
|
|
1675 conf->upstream.cyclic_temp_file = 0;
|
|
|
1676
|
|
|
1677 conf->redirect = NGX_CONF_UNSET;
|
|
198
|
1678 conf->upstream.change_buffering = 1;
|
|
58
|
1679
|
|
298
|
1680 conf->headers_hash_max_size = NGX_CONF_UNSET_UINT;
|
|
|
1681 conf->headers_hash_bucket_size = NGX_CONF_UNSET_UINT;
|
|
|
1682
|
|
58
|
1683 return conf;
|
|
|
1684 }
|
|
|
1685
|
|
|
1686
|
|
|
1687 static char *
|
|
|
1688 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1689 {
|
|
|
1690 ngx_http_proxy_loc_conf_t *prev = parent;
|
|
|
1691 ngx_http_proxy_loc_conf_t *conf = child;
|
|
|
1692
|
|
|
1693 u_char *p;
|
|
|
1694 size_t size;
|
|
|
1695 uintptr_t *code;
|
|
356
|
1696 ngx_uint_t i;
|
|
198
|
1697 ngx_keyval_t *src, *s, *h;
|
|
|
1698 ngx_hash_key_t *hk;
|
|
|
1699 ngx_hash_init_t hash;
|
|
58
|
1700 ngx_http_proxy_redirect_t *pr;
|
|
|
1701 ngx_http_script_compile_t sc;
|
|
|
1702 ngx_http_script_copy_code_t *copy;
|
|
|
1703
|
|
320
|
1704 if (conf->upstream.store != 0) {
|
|
|
1705 ngx_conf_merge_value(conf->upstream.store,
|
|
|
1706 prev->upstream.store, 0);
|
|
|
1707
|
|
|
1708 if (conf->upstream.store_lengths == NULL) {
|
|
|
1709 conf->upstream.store_lengths = prev->upstream.store_lengths;
|
|
|
1710 conf->upstream.store_values = prev->upstream.store_values;
|
|
|
1711 }
|
|
|
1712 }
|
|
|
1713
|
|
|
1714 ngx_conf_merge_uint_value(conf->upstream.store_access,
|
|
|
1715 prev->upstream.store_access, 0600);
|
|
318
|
1716
|
|
130
|
1717 ngx_conf_merge_value(conf->upstream.buffering,
|
|
|
1718 prev->upstream.buffering, 1);
|
|
|
1719
|
|
178
|
1720 ngx_conf_merge_value(conf->upstream.ignore_client_abort,
|
|
|
1721 prev->upstream.ignore_client_abort, 0);
|
|
|
1722
|
|
58
|
1723 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
1724 prev->upstream.connect_timeout, 60000);
|
|
|
1725
|
|
|
1726 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
1727 prev->upstream.send_timeout, 60000);
|
|
|
1728
|
|
|
1729 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
1730 prev->upstream.read_timeout, 60000);
|
|
|
1731
|
|
|
1732 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
|
1733 prev->upstream.send_lowat, 0);
|
|
|
1734
|
|
130
|
1735 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
|
1736 prev->upstream.buffer_size,
|
|
58
|
1737 (size_t) ngx_pagesize);
|
|
|
1738
|
|
|
1739 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
|
1740 8, ngx_pagesize);
|
|
|
1741
|
|
|
1742 if (conf->upstream.bufs.num < 2) {
|
|
126
|
1743 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
58
|
1744 "there must be at least 2 \"proxy_buffers\"");
|
|
|
1745 return NGX_CONF_ERROR;
|
|
|
1746 }
|
|
126
|
1747
|
|
58
|
1748
|
|
130
|
1749 size = conf->upstream.buffer_size;
|
|
126
|
1750 if (size < conf->upstream.bufs.size) {
|
|
58
|
1751 size = conf->upstream.bufs.size;
|
|
|
1752 }
|
|
|
1753
|
|
|
1754
|
|
78
|
1755 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
|
1756 prev->upstream.busy_buffers_size_conf,
|
|
58
|
1757 NGX_CONF_UNSET_SIZE);
|
|
|
1758
|
|
78
|
1759 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1760 conf->upstream.busy_buffers_size = 2 * size;
|
|
78
|
1761 } else {
|
|
|
1762 conf->upstream.busy_buffers_size =
|
|
|
1763 conf->upstream.busy_buffers_size_conf;
|
|
|
1764 }
|
|
126
|
1765
|
|
78
|
1766 if (conf->upstream.busy_buffers_size < size) {
|
|
58
|
1767 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1768 "\"proxy_busy_buffers_size\" must be equal or bigger than "
|
|
288
|
1769 "maximum of the value of \"proxy_buffer_size\" and "
|
|
58
|
1770 "one of the \"proxy_buffers\"");
|
|
|
1771
|
|
|
1772 return NGX_CONF_ERROR;
|
|
78
|
1773 }
|
|
58
|
1774
|
|
78
|
1775 if (conf->upstream.busy_buffers_size
|
|
|
1776 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
58
|
1777 {
|
|
|
1778 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1779 "\"proxy_busy_buffers_size\" must be less than "
|
|
|
1780 "the size of all \"proxy_buffers\" minus one buffer");
|
|
|
1781
|
|
|
1782 return NGX_CONF_ERROR;
|
|
|
1783 }
|
|
78
|
1784
|
|
58
|
1785
|
|
78
|
1786 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
|
1787 prev->upstream.temp_file_write_size_conf,
|
|
58
|
1788 NGX_CONF_UNSET_SIZE);
|
|
|
1789
|
|
78
|
1790 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1791 conf->upstream.temp_file_write_size = 2 * size;
|
|
78
|
1792 } else {
|
|
|
1793 conf->upstream.temp_file_write_size =
|
|
|
1794 conf->upstream.temp_file_write_size_conf;
|
|
|
1795 }
|
|
126
|
1796
|
|
78
|
1797 if (conf->upstream.temp_file_write_size < size) {
|
|
58
|
1798 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1799 "\"proxy_temp_file_write_size\" must be equal or bigger than "
|
|
288
|
1800 "maximum of the value of \"proxy_buffer_size\" and "
|
|
58
|
1801 "one of the \"proxy_buffers\"");
|
|
|
1802
|
|
|
1803 return NGX_CONF_ERROR;
|
|
|
1804 }
|
|
|
1805
|
|
78
|
1806 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
|
1807 prev->upstream.max_temp_file_size_conf,
|
|
58
|
1808 NGX_CONF_UNSET_SIZE);
|
|
|
1809
|
|
78
|
1810 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1811 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
78
|
1812 } else {
|
|
|
1813 conf->upstream.max_temp_file_size =
|
|
|
1814 conf->upstream.max_temp_file_size_conf;
|
|
|
1815 }
|
|
58
|
1816
|
|
78
|
1817 if (conf->upstream.max_temp_file_size != 0
|
|
|
1818 && conf->upstream.max_temp_file_size < size)
|
|
58
|
1819 {
|
|
|
1820 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
110
|
1821 "\"proxy_max_temp_file_size\" must be equal to zero to disable "
|
|
58
|
1822 "the temporary files usage or must be equal or bigger than "
|
|
288
|
1823 "maximum of the value of \"proxy_buffer_size\" and "
|
|
110
|
1824 "one of the \"proxy_buffers\"");
|
|
58
|
1825
|
|
|
1826 return NGX_CONF_ERROR;
|
|
|
1827 }
|
|
|
1828
|
|
78
|
1829
|
|
58
|
1830 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
1831 prev->upstream.next_upstream,
|
|
|
1832 (NGX_CONF_BITMASK_SET
|
|
|
1833 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
1834 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
1835
|
|
214
|
1836 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
1837 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
|
|
|
1838 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
1839 }
|
|
|
1840
|
|
58
|
1841 ngx_conf_merge_path_value(conf->upstream.temp_path,
|
|
|
1842 prev->upstream.temp_path,
|
|
|
1843 NGX_HTTP_PROXY_TEMP_PATH, 1, 2, 0,
|
|
|
1844 ngx_garbage_collector_temp_handler, cf);
|
|
|
1845
|
|
110
|
1846 if (conf->method.len == 0) {
|
|
|
1847 conf->method = prev->method;
|
|
|
1848
|
|
|
1849 } else {
|
|
|
1850 conf->method.data[conf->method.len] = ' ';
|
|
|
1851 conf->method.len++;
|
|
58
|
1852 }
|
|
|
1853
|
|
|
1854 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
|
1855 prev->upstream.pass_request_headers, 1);
|
|
|
1856 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
|
1857 prev->upstream.pass_request_body, 1);
|
|
|
1858
|
|
206
|
1859 ngx_conf_merge_value(conf->upstream.intercept_errors,
|
|
|
1860 prev->upstream.intercept_errors, 0);
|
|
58
|
1861
|
|
|
1862 ngx_conf_merge_value(conf->redirect, prev->redirect, 1);
|
|
|
1863
|
|
|
1864 if (conf->redirect) {
|
|
|
1865
|
|
|
1866 if (conf->redirects == NULL) {
|
|
|
1867 conf->redirects = prev->redirects;
|
|
|
1868 }
|
|
|
1869
|
|
348
|
1870 if (conf->redirects == NULL && conf->url.data) {
|
|
58
|
1871
|
|
|
1872 conf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
1873 sizeof(ngx_http_proxy_redirect_t));
|
|
|
1874 if (conf->redirects == NULL) {
|
|
|
1875 return NGX_CONF_ERROR;
|
|
|
1876 }
|
|
|
1877
|
|
|
1878 pr = ngx_array_push(conf->redirects);
|
|
|
1879 if (pr == NULL) {
|
|
|
1880 return NGX_CONF_ERROR;
|
|
|
1881 }
|
|
|
1882
|
|
|
1883 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
348
|
1884 pr->redirect = conf->url;
|
|
|
1885
|
|
|
1886 if (conf->vars.uri.len) {
|
|
|
1887 pr->replacement.text = conf->location;
|
|
202
|
1888
|
|
|
1889 } else {
|
|
|
1890 pr->replacement.text.len = 0;
|
|
|
1891 pr->replacement.text.data = NULL;
|
|
|
1892 }
|
|
58
|
1893 }
|
|
|
1894 }
|
|
|
1895
|
|
348
|
1896 /* STUB */
|
|
|
1897 if (prev->proxy_lengths) {
|
|
|
1898 conf->proxy_lengths = prev->proxy_lengths;
|
|
|
1899 conf->proxy_values = prev->proxy_values;
|
|
|
1900 }
|
|
|
1901
|
|
386
|
1902 #if (NGX_HTTP_SSL)
|
|
|
1903 if (conf->upstream.ssl == NULL) {
|
|
|
1904 conf->upstream.ssl = prev->upstream.ssl;
|
|
|
1905 }
|
|
|
1906 #endif
|
|
|
1907
|
|
298
|
1908 ngx_conf_merge_uint_value(conf->headers_hash_max_size,
|
|
|
1909 prev->headers_hash_max_size, 512);
|
|
|
1910
|
|
|
1911 ngx_conf_merge_uint_value(conf->headers_hash_bucket_size,
|
|
|
1912 prev->headers_hash_bucket_size, 64);
|
|
|
1913
|
|
|
1914 conf->headers_hash_bucket_size = ngx_align(conf->headers_hash_bucket_size,
|
|
|
1915 ngx_cacheline_size);
|
|
|
1916
|
|
356
|
1917 hash.max_size = conf->headers_hash_max_size;
|
|
|
1918 hash.bucket_size = conf->headers_hash_bucket_size;
|
|
|
1919 hash.name = "proxy_headers_hash";
|
|
|
1920
|
|
|
1921 if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream,
|
|
|
1922 &prev->upstream,
|
|
|
1923 ngx_http_proxy_hide_headers, &hash)
|
|
198
|
1924 != NGX_OK)
|
|
|
1925 {
|
|
|
1926 return NGX_CONF_ERROR;
|
|
|
1927 }
|
|
|
1928
|
|
260
|
1929 if (conf->upstream.upstream == NULL) {
|
|
|
1930 conf->upstream.upstream = prev->upstream.upstream;
|
|
178
|
1931
|
|
348
|
1932 conf->vars = prev->vars;
|
|
178
|
1933 conf->upstream.schema = prev->upstream.schema;
|
|
58
|
1934 }
|
|
|
1935
|
|
126
|
1936
|
|
|
1937 if (conf->body_source.data == NULL) {
|
|
|
1938 conf->body_source = prev->body_source;
|
|
|
1939 conf->body_set_len = prev->body_set_len;
|
|
|
1940 conf->body_set = prev->body_set;
|
|
|
1941 }
|
|
|
1942
|
|
128
|
1943 if (conf->body_source.data && conf->body_set_len == NULL) {
|
|
126
|
1944
|
|
|
1945 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1946
|
|
|
1947 sc.cf = cf;
|
|
|
1948 sc.source = &conf->body_source;
|
|
|
1949 sc.flushes = &conf->flushes;
|
|
|
1950 sc.lengths = &conf->body_set_len;
|
|
|
1951 sc.values = &conf->body_set;
|
|
|
1952 sc.complete_lengths = 1;
|
|
|
1953 sc.complete_values = 1;
|
|
|
1954
|
|
|
1955 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1956 return NGX_CONF_ERROR;
|
|
|
1957 }
|
|
|
1958
|
|
|
1959 if (conf->headers_source == NULL) {
|
|
|
1960 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
1961 sizeof(ngx_keyval_t));
|
|
126
|
1962 if (conf->headers_source == NULL) {
|
|
|
1963 return NGX_CONF_ERROR;
|
|
|
1964 }
|
|
|
1965 }
|
|
|
1966
|
|
|
1967 s = ngx_array_push(conf->headers_source);
|
|
|
1968 if (s == NULL) {
|
|
|
1969 return NGX_CONF_ERROR;
|
|
|
1970 }
|
|
|
1971
|
|
|
1972 s->key.len = sizeof("Content-Length") - 1;
|
|
|
1973 s->key.data = (u_char *) "Content-Length";
|
|
|
1974 s->value.len = sizeof("$proxy_internal_body_length") - 1;
|
|
|
1975 s->value.data = (u_char *) "$proxy_internal_body_length";
|
|
|
1976 }
|
|
|
1977
|
|
|
1978
|
|
58
|
1979 if (conf->headers_source == NULL) {
|
|
122
|
1980 conf->flushes = prev->flushes;
|
|
58
|
1981 conf->headers_set_len = prev->headers_set_len;
|
|
|
1982 conf->headers_set = prev->headers_set;
|
|
|
1983 conf->headers_set_hash = prev->headers_set_hash;
|
|
122
|
1984 conf->headers_source = prev->headers_source;
|
|
58
|
1985 }
|
|
|
1986
|
|
198
|
1987 if (conf->headers_set_hash.buckets) {
|
|
58
|
1988 return NGX_CONF_OK;
|
|
|
1989 }
|
|
|
1990
|
|
|
1991
|
|
198
|
1992 conf->headers_names = ngx_array_create(cf->pool, 4, sizeof(ngx_hash_key_t));
|
|
58
|
1993 if (conf->headers_names == NULL) {
|
|
|
1994 return NGX_CONF_ERROR;
|
|
|
1995 }
|
|
|
1996
|
|
|
1997 if (conf->headers_source == NULL) {
|
|
|
1998 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
1999 sizeof(ngx_keyval_t));
|
|
58
|
2000 if (conf->headers_source == NULL) {
|
|
|
2001 return NGX_CONF_ERROR;
|
|
|
2002 }
|
|
|
2003 }
|
|
|
2004
|
|
|
2005 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1);
|
|
|
2006 if (conf->headers_set_len == NULL) {
|
|
|
2007 return NGX_CONF_ERROR;
|
|
|
2008 }
|
|
|
2009
|
|
|
2010 conf->headers_set = ngx_array_create(cf->pool, 512, 1);
|
|
|
2011 if (conf->headers_set == NULL) {
|
|
|
2012 return NGX_CONF_ERROR;
|
|
|
2013 }
|
|
|
2014
|
|
|
2015
|
|
|
2016 src = conf->headers_source->elts;
|
|
|
2017
|
|
|
2018 for (h = ngx_http_proxy_headers; h->key.len; h++) {
|
|
|
2019
|
|
|
2020 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
2021 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
|
2022 goto next;
|
|
|
2023 }
|
|
|
2024 }
|
|
|
2025
|
|
|
2026 s = ngx_array_push(conf->headers_source);
|
|
|
2027 if (s == NULL) {
|
|
|
2028 return NGX_CONF_ERROR;
|
|
|
2029 }
|
|
|
2030
|
|
|
2031 *s = *h;
|
|
|
2032
|
|
66
|
2033 src = conf->headers_source->elts;
|
|
|
2034
|
|
58
|
2035 next:
|
|
|
2036
|
|
|
2037 continue;
|
|
|
2038 }
|
|
|
2039
|
|
126
|
2040
|
|
|
2041 src = conf->headers_source->elts;
|
|
58
|
2042 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
2043
|
|
198
|
2044 hk = ngx_array_push(conf->headers_names);
|
|
|
2045 if (hk == NULL) {
|
|
58
|
2046 return NGX_CONF_ERROR;
|
|
|
2047 }
|
|
|
2048
|
|
198
|
2049 hk->key = src[i].key;
|
|
|
2050 hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len);
|
|
|
2051 hk->value = (void *) 1;
|
|
58
|
2052
|
|
68
|
2053 if (src[i].value.len == 0) {
|
|
|
2054 continue;
|
|
|
2055 }
|
|
|
2056
|
|
58
|
2057 if (ngx_http_script_variables_count(&src[i].value) == 0) {
|
|
|
2058 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2059 sizeof(ngx_http_script_copy_code_t));
|
|
|
2060 if (copy == NULL) {
|
|
|
2061 return NGX_CONF_ERROR;
|
|
|
2062 }
|
|
|
2063
|
|
|
2064 copy->code = (ngx_http_script_code_pt)
|
|
|
2065 ngx_http_script_copy_len_code;
|
|
|
2066 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
2067 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
2068
|
|
|
2069
|
|
|
2070 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2071 + src[i].key.len + sizeof(": ") - 1
|
|
|
2072 + src[i].value.len + sizeof(CRLF) - 1
|
|
|
2073 + sizeof(uintptr_t) - 1)
|
|
|
2074 & ~(sizeof(uintptr_t) - 1);
|
|
|
2075
|
|
|
2076 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2077 if (copy == NULL) {
|
|
|
2078 return NGX_CONF_ERROR;
|
|
|
2079 }
|
|
|
2080
|
|
|
2081 copy->code = ngx_http_script_copy_code;
|
|
|
2082 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
2083 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
2084
|
|
|
2085 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2086
|
|
|
2087 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
2088 *p++ = ':'; *p++ = ' ';
|
|
|
2089 p = ngx_cpymem(p, src[i].value.data, src[i].value.len);
|
|
|
2090 *p++ = CR; *p = LF;
|
|
|
2091
|
|
|
2092 } else {
|
|
|
2093 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2094 sizeof(ngx_http_script_copy_code_t));
|
|
|
2095 if (copy == NULL) {
|
|
|
2096 return NGX_CONF_ERROR;
|
|
|
2097 }
|
|
|
2098
|
|
|
2099 copy->code = (ngx_http_script_code_pt)
|
|
|
2100 ngx_http_script_copy_len_code;
|
|
|
2101 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
2102
|
|
|
2103
|
|
|
2104 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2105 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1)
|
|
|
2106 & ~(sizeof(uintptr_t) - 1);
|
|
|
2107
|
|
|
2108 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2109 if (copy == NULL) {
|
|
|
2110 return NGX_CONF_ERROR;
|
|
|
2111 }
|
|
|
2112
|
|
|
2113 copy->code = ngx_http_script_copy_code;
|
|
|
2114 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
2115
|
|
|
2116 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2117 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
2118 *p++ = ':'; *p = ' ';
|
|
|
2119
|
|
|
2120
|
|
|
2121 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2122
|
|
|
2123 sc.cf = cf;
|
|
|
2124 sc.source = &src[i].value;
|
|
122
|
2125 sc.flushes = &conf->flushes;
|
|
58
|
2126 sc.lengths = &conf->headers_set_len;
|
|
|
2127 sc.values = &conf->headers_set;
|
|
|
2128
|
|
|
2129 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2130 return NGX_CONF_ERROR;
|
|
|
2131 }
|
|
|
2132
|
|
|
2133
|
|
|
2134 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2135 sizeof(ngx_http_script_copy_code_t));
|
|
|
2136 if (copy == NULL) {
|
|
|
2137 return NGX_CONF_ERROR;
|
|
|
2138 }
|
|
|
2139
|
|
|
2140 copy->code = (ngx_http_script_code_pt)
|
|
|
2141 ngx_http_script_copy_len_code;
|
|
|
2142 copy->len = sizeof(CRLF) - 1;
|
|
|
2143
|
|
|
2144
|
|
|
2145 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2146 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1)
|
|
|
2147 & ~(sizeof(uintptr_t) - 1);
|
|
|
2148
|
|
|
2149 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2150 if (copy == NULL) {
|
|
|
2151 return NGX_CONF_ERROR;
|
|
|
2152 }
|
|
|
2153
|
|
|
2154 copy->code = ngx_http_script_copy_code;
|
|
|
2155 copy->len = sizeof(CRLF) - 1;
|
|
|
2156
|
|
|
2157 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2158 *p++ = CR; *p = LF;
|
|
|
2159 }
|
|
|
2160
|
|
|
2161 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2162 if (code == NULL) {
|
|
|
2163 return NGX_CONF_ERROR;
|
|
|
2164 }
|
|
|
2165
|
|
|
2166 *code = (uintptr_t) NULL;
|
|
|
2167
|
|
|
2168 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t));
|
|
|
2169 if (code == NULL) {
|
|
|
2170 return NGX_CONF_ERROR;
|
|
|
2171 }
|
|
|
2172
|
|
|
2173 *code = (uintptr_t) NULL;
|
|
|
2174 }
|
|
|
2175
|
|
|
2176 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2177 if (code == NULL) {
|
|
|
2178 return NGX_CONF_ERROR;
|
|
|
2179 }
|
|
|
2180
|
|
|
2181 *code = (uintptr_t) NULL;
|
|
|
2182
|
|
|
2183
|
|
198
|
2184 hash.hash = &conf->headers_set_hash;
|
|
|
2185 hash.key = ngx_hash_key_lc;
|
|
298
|
2186 hash.max_size = conf->headers_hash_max_size;
|
|
|
2187 hash.bucket_size = conf->headers_hash_bucket_size;
|
|
|
2188 hash.name = "proxy_headers_hash";
|
|
198
|
2189 hash.pool = cf->pool;
|
|
|
2190 hash.temp_pool = NULL;
|
|
|
2191
|
|
|
2192 if (ngx_hash_init(&hash, conf->headers_names->elts,
|
|
|
2193 conf->headers_names->nelts)
|
|
|
2194 != NGX_OK)
|
|
|
2195 {
|
|
|
2196 return NGX_CONF_ERROR;
|
|
|
2197 }
|
|
|
2198
|
|
58
|
2199 return NGX_CONF_OK;
|
|
|
2200 }
|
|
|
2201
|
|
|
2202
|
|
|
2203 static char *
|
|
|
2204 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2205 {
|
|
|
2206 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2207
|
|
348
|
2208 size_t add;
|
|
|
2209 u_short port;
|
|
|
2210 ngx_str_t *value, *url;
|
|
|
2211 ngx_url_t u;
|
|
|
2212 ngx_uint_t n;
|
|
|
2213 ngx_http_core_loc_conf_t *clcf;
|
|
|
2214 ngx_http_script_compile_t sc;
|
|
58
|
2215
|
|
104
|
2216 if (plcf->upstream.schema.len) {
|
|
|
2217 return "is duplicate";
|
|
|
2218 }
|
|
|
2219
|
|
348
|
2220 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
2221
|
|
58
|
2222 value = cf->args->elts;
|
|
|
2223
|
|
|
2224 url = &value[1];
|
|
|
2225
|
|
348
|
2226 n = ngx_http_script_variables_count(url);
|
|
|
2227
|
|
|
2228 if (n) {
|
|
|
2229
|
|
|
2230 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2231
|
|
|
2232 sc.cf = cf;
|
|
|
2233 sc.source = url;
|
|
|
2234 sc.lengths = &plcf->proxy_lengths;
|
|
|
2235 sc.values = &plcf->proxy_values;
|
|
|
2236 sc.variables = n;
|
|
|
2237 sc.complete_lengths = 1;
|
|
|
2238 sc.complete_values = 1;
|
|
354
|
2239
|
|
348
|
2240 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2241 return NGX_CONF_ERROR;
|
|
|
2242 }
|
|
|
2243
|
|
|
2244 #if (NGX_HTTP_SSL)
|
|
|
2245 if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) {
|
|
|
2246 return NGX_CONF_ERROR;
|
|
|
2247 }
|
|
|
2248 #endif
|
|
|
2249
|
|
|
2250 clcf->handler = ngx_http_proxy_handler;
|
|
|
2251
|
|
|
2252 return NGX_CONF_OK;
|
|
|
2253 }
|
|
|
2254
|
|
286
|
2255 if (ngx_strncasecmp(url->data, (u_char *) "http://", 7) == 0) {
|
|
126
|
2256 add = 7;
|
|
140
|
2257 port = 80;
|
|
126
|
2258
|
|
286
|
2259 } else if (ngx_strncasecmp(url->data, (u_char *) "https://", 8) == 0) {
|
|
126
|
2260
|
|
|
2261 #if (NGX_HTTP_SSL)
|
|
348
|
2262 if (ngx_http_proxy_set_ssl(cf, plcf) != NGX_OK) {
|
|
|
2263 return NGX_CONF_ERROR;
|
|
|
2264 }
|
|
126
|
2265
|
|
|
2266 add = 8;
|
|
140
|
2267 port = 443;
|
|
126
|
2268 #else
|
|
|
2269 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2270 "https protocol requires SSL support");
|
|
|
2271 return NGX_CONF_ERROR;
|
|
|
2272 #endif
|
|
|
2273
|
|
|
2274 } else {
|
|
58
|
2275 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix");
|
|
|
2276 return NGX_CONF_ERROR;
|
|
|
2277 }
|
|
|
2278
|
|
200
|
2279 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
|
2280
|
|
|
2281 u.url.len = url->len - add;
|
|
|
2282 u.url.data = url->data + add;
|
|
266
|
2283 u.default_port = port;
|
|
|
2284 u.uri_part = 1;
|
|
260
|
2285 u.no_resolve = 1;
|
|
|
2286
|
|
|
2287 plcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
|
|
|
2288 if (plcf->upstream.upstream == NULL) {
|
|
58
|
2289 return NGX_CONF_ERROR;
|
|
|
2290 }
|
|
|
2291
|
|
348
|
2292 if (ngx_http_proxy_set_vars(cf->pool, &u, &plcf->vars) != NGX_OK) {
|
|
|
2293 return NGX_CONF_ERROR;
|
|
266
|
2294 }
|
|
|
2295
|
|
140
|
2296 plcf->upstream.schema.len = add;
|
|
|
2297 plcf->upstream.schema.data = url->data;
|
|
348
|
2298 plcf->location = clcf->name;
|
|
58
|
2299
|
|
|
2300 clcf->handler = ngx_http_proxy_handler;
|
|
|
2301
|
|
324
|
2302 if (clcf->named
|
|
58
|
2303 #if (NGX_PCRE)
|
|
324
|
2304 || clcf->regex
|
|
|
2305 #endif
|
|
|
2306 || clcf->noname)
|
|
|
2307 {
|
|
348
|
2308 if (plcf->vars.uri.len) {
|
|
122
|
2309 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2310 "\"proxy_pass\" may not have URI part in "
|
|
256
|
2311 "location given by regular expression, "
|
|
324
|
2312 "or inside named location, "
|
|
256
|
2313 "or inside the \"if\" statement, "
|
|
|
2314 "or inside the \"limit_except\" block");
|
|
122
|
2315 return NGX_CONF_ERROR;
|
|
|
2316 }
|
|
|
2317
|
|
348
|
2318 plcf->location.len = 0;
|
|
104
|
2319 }
|
|
|
2320
|
|
348
|
2321 plcf->url = *url;
|
|
58
|
2322
|
|
|
2323 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
2324 clcf->auto_redirect = 1;
|
|
|
2325 }
|
|
|
2326
|
|
|
2327 return NGX_CONF_OK;
|
|
|
2328 }
|
|
|
2329
|
|
|
2330
|
|
|
2331 static char *
|
|
|
2332 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2333 {
|
|
|
2334 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2335
|
|
|
2336 ngx_str_t *value;
|
|
|
2337 ngx_array_t *vars_lengths, *vars_values;
|
|
|
2338 ngx_http_script_compile_t sc;
|
|
|
2339 ngx_http_proxy_redirect_t *pr;
|
|
|
2340
|
|
|
2341 if (plcf->redirect == 0) {
|
|
|
2342 return NGX_CONF_OK;
|
|
|
2343 }
|
|
|
2344
|
|
|
2345 value = cf->args->elts;
|
|
|
2346
|
|
|
2347 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2348 plcf->redirect = 0;
|
|
|
2349 plcf->redirects = NULL;
|
|
|
2350 return NGX_CONF_OK;
|
|
|
2351 }
|
|
|
2352
|
|
|
2353 if (plcf->redirects == NULL) {
|
|
|
2354 plcf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
2355 sizeof(ngx_http_proxy_redirect_t));
|
|
|
2356 if (plcf->redirects == NULL) {
|
|
|
2357 return NGX_CONF_ERROR;
|
|
|
2358 }
|
|
|
2359 }
|
|
|
2360
|
|
|
2361 pr = ngx_array_push(plcf->redirects);
|
|
|
2362 if (pr == NULL) {
|
|
|
2363 return NGX_CONF_ERROR;
|
|
|
2364 }
|
|
|
2365
|
|
|
2366 if (cf->args->nelts == 2 && ngx_strcmp(value[1].data, "default") == 0) {
|
|
348
|
2367 if (plcf->url.data == NULL) {
|
|
58
|
2368 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2369 "\"proxy_rewrite_location default\" must go "
|
|
|
2370 "after the \"proxy_pass\" directive");
|
|
|
2371 return NGX_CONF_ERROR;
|
|
|
2372 }
|
|
|
2373
|
|
|
2374 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
348
|
2375 pr->redirect = plcf->url;
|
|
|
2376
|
|
|
2377 if (plcf->vars.uri.len) {
|
|
|
2378 pr->replacement.text = plcf->location;
|
|
202
|
2379
|
|
|
2380 } else {
|
|
|
2381 pr->replacement.text.len = 0;
|
|
|
2382 pr->replacement.text.data = NULL;
|
|
|
2383 }
|
|
58
|
2384
|
|
|
2385 return NGX_CONF_OK;
|
|
|
2386 }
|
|
|
2387
|
|
|
2388 if (ngx_http_script_variables_count(&value[2]) == 0) {
|
|
|
2389 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2390 pr->redirect = value[1];
|
|
|
2391 pr->replacement.text = value[2];
|
|
|
2392
|
|
|
2393 return NGX_CONF_OK;
|
|
|
2394 }
|
|
|
2395
|
|
|
2396 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2397
|
|
|
2398 vars_lengths = NULL;
|
|
|
2399 vars_values = NULL;
|
|
|
2400
|
|
|
2401 sc.cf = cf;
|
|
|
2402 sc.source = &value[2];
|
|
|
2403 sc.lengths = &vars_lengths;
|
|
|
2404 sc.values = &vars_values;
|
|
|
2405 sc.complete_lengths = 1;
|
|
|
2406 sc.complete_values = 1;
|
|
|
2407
|
|
|
2408 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2409 return NGX_CONF_ERROR;
|
|
|
2410 }
|
|
|
2411
|
|
|
2412 pr->handler = ngx_http_proxy_rewrite_redirect_vars;
|
|
|
2413 pr->redirect = value[1];
|
|
|
2414 pr->replacement.vars.lengths = vars_lengths->elts;
|
|
|
2415 pr->replacement.vars.values = vars_values->elts;
|
|
|
2416
|
|
|
2417 return NGX_CONF_OK;
|
|
|
2418 }
|
|
|
2419
|
|
|
2420
|
|
|
2421 static char *
|
|
320
|
2422 ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2423 {
|
|
|
2424 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2425
|
|
|
2426 ngx_str_t *value;
|
|
|
2427 ngx_http_script_compile_t sc;
|
|
|
2428
|
|
|
2429 if (plcf->upstream.store != NGX_CONF_UNSET || plcf->upstream.store_lengths)
|
|
|
2430 {
|
|
|
2431 return "is duplicate";
|
|
|
2432 }
|
|
|
2433
|
|
|
2434 value = cf->args->elts;
|
|
|
2435
|
|
|
2436 if (ngx_strcmp(value[1].data, "on") == 0) {
|
|
|
2437 plcf->upstream.store = 1;
|
|
|
2438 return NGX_CONF_OK;
|
|
|
2439 }
|
|
|
2440
|
|
|
2441 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2442 plcf->upstream.store = 0;
|
|
|
2443 return NGX_CONF_OK;
|
|
|
2444 }
|
|
|
2445
|
|
|
2446 /* include the terminating '\0' into script */
|
|
|
2447 value[1].len++;
|
|
|
2448
|
|
|
2449 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2450
|
|
|
2451 sc.cf = cf;
|
|
|
2452 sc.source = &value[1];
|
|
|
2453 sc.lengths = &plcf->upstream.store_lengths;
|
|
|
2454 sc.values = &plcf->upstream.store_values;
|
|
340
|
2455 sc.variables = ngx_http_script_variables_count(&value[1]);
|
|
320
|
2456 sc.complete_lengths = 1;
|
|
|
2457 sc.complete_values = 1;
|
|
|
2458
|
|
|
2459 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2460 return NGX_CONF_ERROR;
|
|
|
2461 }
|
|
|
2462
|
|
|
2463 return NGX_CONF_OK;
|
|
|
2464 }
|
|
|
2465
|
|
|
2466
|
|
|
2467 static char *
|
|
58
|
2468 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data)
|
|
|
2469 {
|
|
|
2470 #if (NGX_FREEBSD)
|
|
|
2471 ssize_t *np = data;
|
|
|
2472
|
|
222
|
2473 if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) {
|
|
58
|
2474 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2475 "\"proxy_send_lowat\" must be less than %d "
|
|
|
2476 "(sysctl net.inet.tcp.sendspace)",
|
|
|
2477 ngx_freebsd_net_inet_tcp_sendspace);
|
|
|
2478
|
|
|
2479 return NGX_CONF_ERROR;
|
|
|
2480 }
|
|
|
2481
|
|
|
2482 #elif !(NGX_HAVE_SO_SNDLOWAT)
|
|
|
2483 ssize_t *np = data;
|
|
|
2484
|
|
|
2485 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
2486 "\"proxy_send_lowat\" is not supported, ignored");
|
|
|
2487
|
|
|
2488 *np = 0;
|
|
|
2489
|
|
|
2490 #endif
|
|
|
2491
|
|
|
2492 return NGX_CONF_OK;
|
|
|
2493 }
|
|
260
|
2494
|
|
|
2495
|
|
|
2496 static char *
|
|
|
2497 ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf,
|
|
|
2498 ngx_command_t *cmd, void *conf)
|
|
|
2499 {
|
|
|
2500 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2501 "\"proxy_upstream_max_fails\" is not supported, "
|
|
|
2502 "use the \"max_fails\" parameter of the \"server\" directive ",
|
|
|
2503 "inside the \"upstream\" block");
|
|
|
2504
|
|
|
2505 return NGX_CONF_ERROR;
|
|
|
2506 }
|
|
|
2507
|
|
|
2508
|
|
|
2509 static char *
|
|
|
2510 ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
|
|
|
2511 ngx_command_t *cmd, void *conf)
|
|
|
2512 {
|
|
|
2513 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2514 "\"proxy_upstream_fail_timeout\" is not supported, "
|
|
|
2515 "use the \"fail_timeout\" parameter of the \"server\" directive ",
|
|
|
2516 "inside the \"upstream\" block");
|
|
|
2517
|
|
|
2518 return NGX_CONF_ERROR;
|
|
|
2519 }
|
|
348
|
2520
|
|
|
2521
|
|
|
2522 #if (NGX_HTTP_SSL)
|
|
|
2523
|
|
|
2524 static ngx_int_t
|
|
|
2525 ngx_http_proxy_set_ssl(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *plcf)
|
|
|
2526 {
|
|
|
2527 ngx_pool_cleanup_t *cln;
|
|
|
2528
|
|
|
2529 plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t));
|
|
|
2530 if (plcf->upstream.ssl == NULL) {
|
|
|
2531 return NGX_ERROR;
|
|
|
2532 }
|
|
|
2533
|
|
|
2534 plcf->upstream.ssl->log = cf->log;
|
|
|
2535
|
|
|
2536 if (ngx_ssl_create(plcf->upstream.ssl,
|
|
|
2537 NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1, NULL)
|
|
|
2538 != NGX_OK)
|
|
|
2539 {
|
|
|
2540 return NGX_ERROR;
|
|
|
2541 }
|
|
|
2542
|
|
|
2543 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
2544 if (cln == NULL) {
|
|
|
2545 return NGX_ERROR;
|
|
|
2546 }
|
|
|
2547
|
|
|
2548 cln->handler = ngx_ssl_cleanup_ctx;
|
|
|
2549 cln->data = plcf->upstream.ssl;
|
|
|
2550
|
|
|
2551 return NGX_OK;
|
|
|
2552 }
|
|
|
2553
|
|
|
2554 #endif
|
|
|
2555
|
|
|
2556
|
|
|
2557 static ngx_int_t
|
|
|
2558 ngx_http_proxy_set_vars(ngx_pool_t *pool, ngx_url_t *u,
|
|
|
2559 ngx_http_proxy_vars_t *v)
|
|
|
2560 {
|
|
|
2561 if (!u->unix_socket) {
|
|
|
2562 if (u->no_port || u->port == u->default_port) {
|
|
|
2563 v->host_header = u->host;
|
|
|
2564
|
|
|
2565 if (u->default_port == 80) {
|
|
|
2566 v->port.len = sizeof("80") - 1;
|
|
|
2567 v->port.data = (u_char *) "80";
|
|
|
2568
|
|
|
2569 } else {
|
|
|
2570 v->port.len = sizeof("443") - 1;
|
|
|
2571 v->port.data = (u_char *) "443";
|
|
|
2572 }
|
|
|
2573
|
|
|
2574 } else {
|
|
354
|
2575 v->host_header.len = u->host.len + 1 + u->port_text.len;
|
|
|
2576 v->host_header.data = u->host.data;
|
|
|
2577 v->port = u->port_text;
|
|
348
|
2578 }
|
|
|
2579
|
|
|
2580 } else {
|
|
|
2581 v->host_header.len = sizeof("localhost") - 1;
|
|
|
2582 v->host_header.data = (u_char *) "localhost";
|
|
|
2583 v->port.len = 0;
|
|
|
2584 v->port.data = (u_char *) "";
|
|
|
2585 }
|
|
|
2586
|
|
|
2587 v->uri = u->uri;
|
|
|
2588
|
|
|
2589 return NGX_OK;
|
|
|
2590 }
|
