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58
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1
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126
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2 /*
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58
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_event.h>
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10 #include <ngx_http.h>
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11
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12
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13 typedef struct ngx_http_proxy_redirect_s ngx_http_proxy_redirect_t;
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14
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15 typedef ngx_int_t (*ngx_http_proxy_redirect_pt)(ngx_http_request_t *r,
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16 ngx_table_elt_t *h, size_t prefix, ngx_http_proxy_redirect_t *pr);
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17
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18 struct ngx_http_proxy_redirect_s {
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200
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19 ngx_http_proxy_redirect_pt handler;
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20 ngx_str_t redirect;
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58
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21
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22 union {
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200
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23 ngx_str_t text;
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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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200
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36 ngx_http_upstream_conf_t upstream;
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37
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38 ngx_array_t *flushes;
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39 ngx_array_t *body_set_len;
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40 ngx_array_t *body_set;
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41 ngx_array_t *headers_set_len;
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42 ngx_array_t *headers_set;
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43 ngx_hash_t headers_set_hash;
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44
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45 ngx_array_t *headers_source;
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46 ngx_array_t *headers_names;
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47
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48 ngx_array_t *redirects;
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49
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50 ngx_str_t body_source;
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51
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52 ngx_str_t method;
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53 ngx_str_t host_header;
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266
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54 ngx_str_t port;
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200
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55
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56 ngx_flag_t redirect;
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298
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57
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58 ngx_uint_t headers_hash_max_size;
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59 ngx_uint_t headers_hash_bucket_size;
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58
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60 } ngx_http_proxy_loc_conf_t;
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61
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62
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63 typedef struct {
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200
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64 ngx_uint_t status;
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65 ngx_uint_t status_count;
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66 u_char *status_start;
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67 u_char *status_end;
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68
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69 size_t internal_body_length;
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58
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70 } ngx_http_proxy_ctx_t;
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71
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72
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73 #define NGX_HTTP_PROXY_PARSE_NO_HEADER 20
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74
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75
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76 static ngx_int_t ngx_http_proxy_create_request(ngx_http_request_t *r);
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77 static ngx_int_t ngx_http_proxy_reinit_request(ngx_http_request_t *r);
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78 static ngx_int_t ngx_http_proxy_process_status_line(ngx_http_request_t *r);
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79 static ngx_int_t ngx_http_proxy_parse_status_line(ngx_http_request_t *r,
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80 ngx_http_proxy_ctx_t *p);
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81 static ngx_int_t ngx_http_proxy_process_header(ngx_http_request_t *r);
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82 static void ngx_http_proxy_abort_request(ngx_http_request_t *r);
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83 static void ngx_http_proxy_finalize_request(ngx_http_request_t *r,
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84 ngx_int_t rc);
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85
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122
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86 static ngx_int_t ngx_http_proxy_host_variable(ngx_http_request_t *r,
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87 ngx_http_variable_value_t *v, uintptr_t data);
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88 static ngx_int_t ngx_http_proxy_port_variable(ngx_http_request_t *r,
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89 ngx_http_variable_value_t *v, uintptr_t data);
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90 static ngx_int_t
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91 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
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122
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92 ngx_http_variable_value_t *v, uintptr_t data);
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126
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93 static ngx_int_t
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94 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
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95 ngx_http_variable_value_t *v, uintptr_t data);
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58
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96 static ngx_int_t ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r,
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97 ngx_table_elt_t *h, size_t prefix);
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98
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99 static ngx_int_t ngx_http_proxy_add_variables(ngx_conf_t *cf);
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100 static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf);
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101 static char *ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf,
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102 void *parent, void *child);
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103
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104 static char *ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd,
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105 void *conf);
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106 static char *ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd,
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107 void *conf);
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108
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109 static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data);
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110
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260
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111 static char *ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf,
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112 ngx_command_t *cmd, void *conf);
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113 static char *ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
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114 ngx_command_t *cmd, void *conf);
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115
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58
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116
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117 static ngx_conf_post_t ngx_http_proxy_lowat_post =
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118 { ngx_http_proxy_lowat_check };
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119
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130
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120 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_header_buffer_size = {
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121 ngx_conf_deprecated, "proxy_header_buffer_size", "proxy_buffer_size"
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122 };
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123
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206
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124 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_redirect_errors = {
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125 ngx_conf_deprecated, "proxy_redirect_errors", "proxy_intercept_errors"
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126 };
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127
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58
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128
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129 static ngx_conf_bitmask_t ngx_http_proxy_next_upstream_masks[] = {
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130 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
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131 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
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132 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
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133 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
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172
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134 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 },
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58
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135 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
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214
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136 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF },
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58
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137 { ngx_null_string, 0 }
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138 };
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139
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140
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141 static ngx_command_t ngx_http_proxy_commands[] = {
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142
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143 { ngx_string("proxy_pass"),
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256
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144 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1,
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145 ngx_http_proxy_pass,
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146 NGX_HTTP_LOC_CONF_OFFSET,
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147 0,
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148 NULL },
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149
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150 { ngx_string("proxy_redirect"),
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151 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
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152 ngx_http_proxy_redirect,
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153 NGX_HTTP_LOC_CONF_OFFSET,
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154 0,
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155 NULL },
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156
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318
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157 { ngx_string("proxy_store"),
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158 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123,
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159 ngx_conf_set_access_slot,
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160 NGX_HTTP_LOC_CONF_OFFSET,
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161 offsetof(ngx_http_proxy_loc_conf_t, upstream.store),
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162 NULL },
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163
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130
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164 { ngx_string("proxy_buffering"),
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165 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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166 ngx_conf_set_flag_slot,
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167 NGX_HTTP_LOC_CONF_OFFSET,
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168 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffering),
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169 NULL },
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170
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178
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171 { ngx_string("proxy_ignore_client_abort"),
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172 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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173 ngx_conf_set_flag_slot,
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174 NGX_HTTP_LOC_CONF_OFFSET,
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175 offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_client_abort),
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176 NULL },
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177
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58
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178 { ngx_string("proxy_connect_timeout"),
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179 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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180 ngx_conf_set_msec_slot,
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181 NGX_HTTP_LOC_CONF_OFFSET,
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182 offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout),
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183 NULL },
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184
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185 { ngx_string("proxy_send_timeout"),
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186 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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187 ngx_conf_set_msec_slot,
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188 NGX_HTTP_LOC_CONF_OFFSET,
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189 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout),
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190 NULL },
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191
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192 { ngx_string("proxy_send_lowat"),
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193 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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194 ngx_conf_set_size_slot,
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195 NGX_HTTP_LOC_CONF_OFFSET,
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196 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat),
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197 &ngx_http_proxy_lowat_post },
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198
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206
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199 { ngx_string("proxy_intercept_errors"),
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200 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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201 ngx_conf_set_flag_slot,
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202 NGX_HTTP_LOC_CONF_OFFSET,
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203 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors),
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204 NULL },
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205
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58
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206 { ngx_string("proxy_redirect_errors"),
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207 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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208 ngx_conf_set_flag_slot,
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209 NGX_HTTP_LOC_CONF_OFFSET,
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206
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210 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors),
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211 &ngx_conf_deprecated_proxy_redirect_errors },
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212
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213 { ngx_string("proxy_set_header"),
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214 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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198
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215 ngx_conf_set_keyval_slot,
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216 NGX_HTTP_LOC_CONF_OFFSET,
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217 offsetof(ngx_http_proxy_loc_conf_t, headers_source),
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218 NULL },
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219
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298
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220 { ngx_string("proxy_headers_hash_max_size"),
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221 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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222 ngx_conf_set_num_slot,
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223 NGX_HTTP_LOC_CONF_OFFSET,
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224 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_max_size),
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225 NULL },
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226
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227 { ngx_string("proxy_headers_hash_bucket_size"),
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228 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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229 ngx_conf_set_num_slot,
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230 NGX_HTTP_LOC_CONF_OFFSET,
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231 offsetof(ngx_http_proxy_loc_conf_t, headers_hash_bucket_size),
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232 NULL },
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233
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126
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234 { ngx_string("proxy_set_body"),
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235 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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236 ngx_conf_set_str_slot,
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237 NGX_HTTP_LOC_CONF_OFFSET,
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238 offsetof(ngx_http_proxy_loc_conf_t, body_source),
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239 NULL },
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240
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58
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241 { ngx_string("proxy_method"),
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242 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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243 ngx_conf_set_str_slot,
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244 NGX_HTTP_LOC_CONF_OFFSET,
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245 offsetof(ngx_http_proxy_loc_conf_t, method),
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246 NULL },
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58
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247
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248 { ngx_string("proxy_pass_request_headers"),
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249 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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250 ngx_conf_set_flag_slot,
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251 NGX_HTTP_LOC_CONF_OFFSET,
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252 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers),
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253 NULL },
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254
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255 { ngx_string("proxy_pass_request_body"),
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256 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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257 ngx_conf_set_flag_slot,
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258 NGX_HTTP_LOC_CONF_OFFSET,
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259 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body),
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260 NULL },
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261
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130
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262 { ngx_string("proxy_buffer_size"),
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263 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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264 ngx_conf_set_size_slot,
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265 NGX_HTTP_LOC_CONF_OFFSET,
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266 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
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267 NULL },
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268
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58
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269 { ngx_string("proxy_header_buffer_size"),
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270 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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271 ngx_conf_set_size_slot,
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272 NGX_HTTP_LOC_CONF_OFFSET,
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130
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273 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
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274 &ngx_conf_deprecated_proxy_header_buffer_size },
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58
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275
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276 { ngx_string("proxy_read_timeout"),
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277 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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278 ngx_conf_set_msec_slot,
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279 NGX_HTTP_LOC_CONF_OFFSET,
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280 offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout),
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281 NULL },
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282
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283 { ngx_string("proxy_buffers"),
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284 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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285 ngx_conf_set_bufs_slot,
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286 NGX_HTTP_LOC_CONF_OFFSET,
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287 offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs),
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288 NULL },
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289
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290 { ngx_string("proxy_busy_buffers_size"),
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291 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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292 ngx_conf_set_size_slot,
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293 NGX_HTTP_LOC_CONF_OFFSET,
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78
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294 offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf),
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58
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295 NULL },
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296
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297 { ngx_string("proxy_temp_path"),
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298 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
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299 ngx_conf_set_path_slot,
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300 NGX_HTTP_LOC_CONF_OFFSET,
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301 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path),
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302 (void *) ngx_garbage_collector_temp_handler },
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303
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304 { ngx_string("proxy_max_temp_file_size"),
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305 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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306 ngx_conf_set_size_slot,
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307 NGX_HTTP_LOC_CONF_OFFSET,
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78
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308 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf),
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58
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309 NULL },
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310
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311 { ngx_string("proxy_temp_file_write_size"),
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312 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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313 ngx_conf_set_size_slot,
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314 NGX_HTTP_LOC_CONF_OFFSET,
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78
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315 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_file_write_size_conf),
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58
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316 NULL },
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317
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318 { ngx_string("proxy_next_upstream"),
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96
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319 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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58
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320 ngx_conf_set_bitmask_slot,
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321 NGX_HTTP_LOC_CONF_OFFSET,
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322 offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream),
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323 &ngx_http_proxy_next_upstream_masks },
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324
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110
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325 { ngx_string("proxy_upstream_max_fails"),
|
|
|
326 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
260
|
327 ngx_http_proxy_upstream_max_fails_unsupported,
|
|
|
328 0,
|
|
|
329 0,
|
|
110
|
330 NULL },
|
|
|
331
|
|
|
332 { ngx_string("proxy_upstream_fail_timeout"),
|
|
|
333 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
260
|
334 ngx_http_proxy_upstream_fail_timeout_unsupported,
|
|
|
335 0,
|
|
|
336 0,
|
|
110
|
337 NULL },
|
|
|
338
|
|
198
|
339 { ngx_string("proxy_pass_header"),
|
|
58
|
340 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
198
|
341 ngx_conf_set_str_array_slot,
|
|
58
|
342 NGX_HTTP_LOC_CONF_OFFSET,
|
|
198
|
343 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_headers),
|
|
58
|
344 NULL },
|
|
|
345
|
|
198
|
346 { ngx_string("proxy_hide_header"),
|
|
58
|
347 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
198
|
348 ngx_conf_set_str_array_slot,
|
|
58
|
349 NGX_HTTP_LOC_CONF_OFFSET,
|
|
198
|
350 offsetof(ngx_http_proxy_loc_conf_t, upstream.hide_headers),
|
|
58
|
351 NULL },
|
|
|
352
|
|
|
353 ngx_null_command
|
|
|
354 };
|
|
|
355
|
|
|
356
|
|
216
|
357 static ngx_http_module_t ngx_http_proxy_module_ctx = {
|
|
58
|
358 ngx_http_proxy_add_variables, /* preconfiguration */
|
|
|
359 NULL, /* postconfiguration */
|
|
|
360
|
|
|
361 NULL, /* create main configuration */
|
|
|
362 NULL, /* init main configuration */
|
|
|
363
|
|
|
364 NULL, /* create server configuration */
|
|
|
365 NULL, /* merge server configuration */
|
|
|
366
|
|
|
367 ngx_http_proxy_create_loc_conf, /* create location configration */
|
|
|
368 ngx_http_proxy_merge_loc_conf /* merge location configration */
|
|
|
369 };
|
|
|
370
|
|
|
371
|
|
|
372 ngx_module_t ngx_http_proxy_module = {
|
|
|
373 NGX_MODULE_V1,
|
|
|
374 &ngx_http_proxy_module_ctx, /* module context */
|
|
|
375 ngx_http_proxy_commands, /* module directives */
|
|
|
376 NGX_HTTP_MODULE, /* module type */
|
|
90
|
377 NULL, /* init master */
|
|
58
|
378 NULL, /* init module */
|
|
90
|
379 NULL, /* init process */
|
|
|
380 NULL, /* init thread */
|
|
|
381 NULL, /* exit thread */
|
|
|
382 NULL, /* exit process */
|
|
|
383 NULL, /* exit master */
|
|
|
384 NGX_MODULE_V1_PADDING
|
|
58
|
385 };
|
|
|
386
|
|
|
387
|
|
|
388 static char ngx_http_proxy_version[] = " HTTP/1.0" CRLF;
|
|
|
389
|
|
|
390
|
|
198
|
391 static ngx_keyval_t ngx_http_proxy_headers[] = {
|
|
|
392 { ngx_string("Host"), ngx_string("$proxy_host") },
|
|
|
393 { ngx_string("Connection"), ngx_string("close") },
|
|
|
394 { ngx_string("Keep-Alive"), ngx_string("") },
|
|
|
395 { ngx_null_string, ngx_null_string }
|
|
|
396 };
|
|
|
397
|
|
|
398
|
|
|
399 static ngx_str_t ngx_http_proxy_hide_headers[] = {
|
|
|
400 ngx_string("Date"),
|
|
|
401 ngx_string("Server"),
|
|
|
402 ngx_string("X-Pad"),
|
|
|
403 ngx_string("X-Accel-Expires"),
|
|
|
404 ngx_string("X-Accel-Redirect"),
|
|
|
405 ngx_string("X-Accel-Limit-Rate"),
|
|
|
406 ngx_string("X-Accel-Buffer"),
|
|
|
407 ngx_null_string
|
|
58
|
408 };
|
|
|
409
|
|
|
410
|
|
|
411 static ngx_http_variable_t ngx_http_proxy_vars[] = {
|
|
|
412
|
|
186
|
413 { ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0,
|
|
132
|
414 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
415
|
|
186
|
416 { ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0,
|
|
132
|
417 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
418
|
|
186
|
419 { ngx_string("proxy_add_x_forwarded_for"), NULL,
|
|
132
|
420 ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
421
|
|
|
422 #if 0
|
|
186
|
423 { ngx_string("proxy_add_via"), NULL, NULL, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
424 #endif
|
|
|
425
|
|
186
|
426 { ngx_string("proxy_internal_body_length"), NULL,
|
|
132
|
427 ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
126
|
428
|
|
186
|
429 { ngx_null_string, NULL, NULL, 0, 0, 0 }
|
|
58
|
430 };
|
|
|
431
|
|
|
432
|
|
|
433 static ngx_int_t
|
|
|
434 ngx_http_proxy_handler(ngx_http_request_t *r)
|
|
126
|
435 {
|
|
58
|
436 ngx_int_t rc;
|
|
|
437 ngx_http_upstream_t *u;
|
|
|
438 ngx_http_proxy_loc_conf_t *plcf;
|
|
126
|
439
|
|
58
|
440 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
126
|
441
|
|
58
|
442 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t));
|
|
|
443 if (u == NULL) {
|
|
|
444 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
445 }
|
|
126
|
446
|
|
58
|
447 u->peer.log = r->connection->log;
|
|
|
448 u->peer.log_error = NGX_ERROR_ERR;
|
|
|
449 #if (NGX_THREADS)
|
|
|
450 u->peer.lock = &r->connection->lock;
|
|
|
451 #endif
|
|
|
452
|
|
|
453 u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module;
|
|
|
454
|
|
|
455 u->conf = &plcf->upstream;
|
|
|
456
|
|
|
457 u->create_request = ngx_http_proxy_create_request;
|
|
|
458 u->reinit_request = ngx_http_proxy_reinit_request;
|
|
|
459 u->process_header = ngx_http_proxy_process_status_line;
|
|
|
460 u->abort_request = ngx_http_proxy_abort_request;
|
|
|
461 u->finalize_request = ngx_http_proxy_finalize_request;
|
|
|
462
|
|
|
463 if (plcf->redirects) {
|
|
|
464 u->rewrite_redirect = ngx_http_proxy_rewrite_redirect;
|
|
|
465 }
|
|
|
466
|
|
198
|
467 u->buffering = plcf->upstream.buffering;
|
|
|
468
|
|
|
469 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
|
|
|
470 if (u->pipe == NULL) {
|
|
|
471 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
130
|
472 }
|
|
58
|
473
|
|
198
|
474 u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
|
|
|
475
|
|
58
|
476 u->accel = 1;
|
|
126
|
477
|
|
58
|
478 r->upstream = u;
|
|
|
479
|
|
|
480 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
|
481
|
|
|
482 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
|
483 return rc;
|
|
|
484 }
|
|
|
485
|
|
|
486 return NGX_DONE;
|
|
|
487 }
|
|
|
488
|
|
|
489
|
|
|
490 static ngx_int_t
|
|
|
491 ngx_http_proxy_create_request(ngx_http_request_t *r)
|
|
|
492 {
|
|
126
|
493 size_t len, loc_len, body_len;
|
|
58
|
494 uintptr_t escape;
|
|
|
495 ngx_buf_t *b;
|
|
198
|
496 ngx_str_t method;
|
|
|
497 ngx_uint_t i, unparsed_uri;
|
|
58
|
498 ngx_chain_t *cl, *body;
|
|
|
499 ngx_list_part_t *part;
|
|
|
500 ngx_table_elt_t *header;
|
|
|
501 ngx_http_upstream_t *u;
|
|
126
|
502 ngx_http_proxy_ctx_t *p;
|
|
58
|
503 ngx_http_script_code_pt code;
|
|
|
504 ngx_http_script_engine_t e, le;
|
|
|
505 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
506 ngx_http_script_len_code_pt lcode;
|
|
|
507
|
|
|
508 u = r->upstream;
|
|
|
509
|
|
|
510 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
511
|
|
126
|
512 p = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t));
|
|
|
513 if (p == NULL) {
|
|
|
514 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
515 }
|
|
|
516
|
|
|
517 ngx_http_set_ctx(r, p, ngx_http_proxy_module);
|
|
|
518
|
|
58
|
519 len = sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1;
|
|
|
520
|
|
110
|
521 if (u->method.len) {
|
|
|
522 /* HEAD was changed to GET to cache response */
|
|
|
523 method = u->method;
|
|
|
524 method.len++;
|
|
|
525
|
|
|
526 } else if (plcf->method.len) {
|
|
|
527 method = plcf->method;
|
|
|
528
|
|
58
|
529 } else {
|
|
110
|
530 method = r->method_name;
|
|
|
531 method.len++;
|
|
58
|
532 }
|
|
|
533
|
|
110
|
534 len += method.len + u->conf->uri.len;
|
|
|
535
|
|
58
|
536 escape = 0;
|
|
|
537
|
|
176
|
538 loc_len = (r->valid_location && u->conf->uri.len) ? u->conf->location.len:
|
|
|
539 0;
|
|
58
|
540
|
|
158
|
541 if (u->conf->uri.len == 0 && r->valid_unparsed_uri && r == r->main) {
|
|
|
542 unparsed_uri = 1;
|
|
88
|
543 len += r->unparsed_uri.len;
|
|
58
|
544
|
|
|
545 } else {
|
|
158
|
546 unparsed_uri = 0;
|
|
58
|
547 if (r->quoted_uri) {
|
|
|
548 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
|
|
|
549 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
550 }
|
|
|
551
|
|
|
552 len += r->uri.len - loc_len + escape + sizeof("?") - 1 + r->args.len;
|
|
|
553 }
|
|
|
554
|
|
122
|
555 ngx_http_script_flush_no_cachable_variables(r, plcf->flushes);
|
|
|
556
|
|
126
|
557 if (plcf->body_set_len) {
|
|
|
558 le.ip = plcf->body_set_len->elts;
|
|
|
559 le.request = r;
|
|
|
560 le.flushed = 1;
|
|
|
561 body_len = 0;
|
|
|
562
|
|
|
563 while (*(uintptr_t *) le.ip) {
|
|
|
564 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
565 body_len += lcode(&le);
|
|
|
566 }
|
|
|
567
|
|
|
568 p->internal_body_length = body_len;
|
|
|
569 len += body_len;
|
|
|
570 }
|
|
|
571
|
|
58
|
572 le.ip = plcf->headers_set_len->elts;
|
|
|
573 le.request = r;
|
|
122
|
574 le.flushed = 1;
|
|
58
|
575
|
|
|
576 while (*(uintptr_t *) le.ip) {
|
|
|
577 while (*(uintptr_t *) le.ip) {
|
|
|
578 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
579 len += lcode(&le);
|
|
|
580 }
|
|
|
581 le.ip += sizeof(uintptr_t);
|
|
|
582 }
|
|
|
583
|
|
|
584
|
|
|
585 if (plcf->upstream.pass_request_headers) {
|
|
|
586 part = &r->headers_in.headers.part;
|
|
|
587 header = part->elts;
|
|
|
588
|
|
|
589 for (i = 0; /* void */; i++) {
|
|
|
590
|
|
|
591 if (i >= part->nelts) {
|
|
|
592 if (part->next == NULL) {
|
|
|
593 break;
|
|
|
594 }
|
|
|
595
|
|
|
596 part = part->next;
|
|
|
597 header = part->elts;
|
|
126
|
598 i = 0;
|
|
58
|
599 }
|
|
|
600
|
|
198
|
601 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
602 header[i].lowcase_key, header[i].key.len))
|
|
58
|
603 {
|
|
|
604 continue;
|
|
|
605 }
|
|
|
606
|
|
|
607 len += header[i].key.len + sizeof(": ") - 1
|
|
|
608 + header[i].value.len + sizeof(CRLF) - 1;
|
|
|
609 }
|
|
|
610 }
|
|
|
611
|
|
|
612
|
|
|
613 b = ngx_create_temp_buf(r->pool, len);
|
|
|
614 if (b == NULL) {
|
|
|
615 return NGX_ERROR;
|
|
|
616 }
|
|
|
617
|
|
|
618 cl = ngx_alloc_chain_link(r->pool);
|
|
|
619 if (cl == NULL) {
|
|
|
620 return NGX_ERROR;
|
|
|
621 }
|
|
|
622
|
|
|
623 cl->buf = b;
|
|
|
624
|
|
|
625
|
|
|
626 /* the request line */
|
|
|
627
|
|
122
|
628 b->last = ngx_copy(b->last, method.data, method.len);
|
|
58
|
629
|
|
104
|
630 u->uri.data = b->last;
|
|
|
631
|
|
158
|
632 if (unparsed_uri) {
|
|
122
|
633 b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len);
|
|
|
634
|
|
58
|
635 } else {
|
|
104
|
636 if (r->valid_location) {
|
|
122
|
637 b->last = ngx_copy(b->last, u->conf->uri.data, u->conf->uri.len);
|
|
104
|
638 }
|
|
100
|
639
|
|
58
|
640 if (escape) {
|
|
|
641 ngx_escape_uri(b->last, r->uri.data + loc_len,
|
|
|
642 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
643 b->last += r->uri.len - loc_len + escape;
|
|
|
644
|
|
126
|
645 } else {
|
|
122
|
646 b->last = ngx_copy(b->last, r->uri.data + loc_len,
|
|
|
647 r->uri.len - loc_len);
|
|
58
|
648 }
|
|
|
649
|
|
|
650 if (r->args.len > 0) {
|
|
|
651 *b->last++ = '?';
|
|
122
|
652 b->last = ngx_copy(b->last, r->args.data, r->args.len);
|
|
58
|
653 }
|
|
|
654 }
|
|
|
655
|
|
104
|
656 u->uri.len = b->last - u->uri.data;
|
|
|
657
|
|
58
|
658 b->last = ngx_cpymem(b->last, ngx_http_proxy_version,
|
|
|
659 sizeof(ngx_http_proxy_version) - 1);
|
|
|
660
|
|
126
|
661 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
58
|
662
|
|
|
663 e.ip = plcf->headers_set->elts;
|
|
|
664 e.pos = b->last;
|
|
|
665 e.request = r;
|
|
122
|
666 e.flushed = 1;
|
|
58
|
667
|
|
|
668 le.ip = plcf->headers_set_len->elts;
|
|
|
669
|
|
|
670 while (*(uintptr_t *) le.ip) {
|
|
|
671 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
64
|
672
|
|
|
673 /* skip the header line name length */
|
|
|
674 (void) lcode(&le);
|
|
58
|
675
|
|
|
676 if (*(ngx_http_script_len_code_pt *) le.ip) {
|
|
|
677
|
|
|
678 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) {
|
|
|
679 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
680 }
|
|
|
681
|
|
|
682 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0;
|
|
|
683
|
|
|
684 } else {
|
|
|
685 e.skip = 0;
|
|
|
686 }
|
|
|
687
|
|
|
688 le.ip += sizeof(uintptr_t);
|
|
|
689
|
|
|
690 while (*(uintptr_t *) e.ip) {
|
|
|
691 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
692 code((ngx_http_script_engine_t *) &e);
|
|
126
|
693 }
|
|
58
|
694 e.ip += sizeof(uintptr_t);
|
|
|
695 }
|
|
|
696
|
|
|
697 b->last = e.pos;
|
|
|
698
|
|
|
699
|
|
|
700 if (plcf->upstream.pass_request_headers) {
|
|
|
701 part = &r->headers_in.headers.part;
|
|
|
702 header = part->elts;
|
|
126
|
703
|
|
58
|
704 for (i = 0; /* void */; i++) {
|
|
|
705
|
|
|
706 if (i >= part->nelts) {
|
|
|
707 if (part->next == NULL) {
|
|
|
708 break;
|
|
|
709 }
|
|
|
710
|
|
|
711 part = part->next;
|
|
|
712 header = part->elts;
|
|
126
|
713 i = 0;
|
|
58
|
714 }
|
|
|
715
|
|
198
|
716 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
717 header[i].lowcase_key, header[i].key.len))
|
|
58
|
718 {
|
|
|
719 continue;
|
|
|
720 }
|
|
|
721
|
|
122
|
722 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len);
|
|
58
|
723
|
|
|
724 *b->last++ = ':'; *b->last++ = ' ';
|
|
|
725
|
|
122
|
726 b->last = ngx_copy(b->last, header[i].value.data,
|
|
|
727 header[i].value.len);
|
|
58
|
728
|
|
|
729 *b->last++ = CR; *b->last++ = LF;
|
|
|
730
|
|
|
731 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
732 "http proxy header: \"%V: %V\"",
|
|
|
733 &header[i].key, &header[i].value);
|
|
|
734 }
|
|
|
735 }
|
|
|
736
|
|
126
|
737
|
|
58
|
738 /* add "\r\n" at the header end */
|
|
|
739 *b->last++ = CR; *b->last++ = LF;
|
|
|
740
|
|
126
|
741 if (plcf->body_set) {
|
|
|
742 e.ip = plcf->body_set->elts;
|
|
|
743 e.pos = b->last;
|
|
|
744
|
|
|
745 while (*(uintptr_t *) e.ip) {
|
|
|
746 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
747 code((ngx_http_script_engine_t *) &e);
|
|
|
748 }
|
|
128
|
749
|
|
|
750 b->last = e.pos;
|
|
126
|
751 }
|
|
|
752
|
|
58
|
753 #if (NGX_DEBUG)
|
|
|
754 {
|
|
|
755 ngx_str_t s;
|
|
|
756
|
|
|
757 s.len = b->last - b->pos;
|
|
|
758 s.data = b->pos;
|
|
|
759 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
760 "http proxy header:\n\"%V\"", &s);
|
|
|
761 }
|
|
|
762 #endif
|
|
|
763
|
|
126
|
764 if (plcf->body_set == NULL && plcf->upstream.pass_request_body) {
|
|
58
|
765
|
|
|
766 body = u->request_bufs;
|
|
|
767 u->request_bufs = cl;
|
|
|
768
|
|
|
769 while (body) {
|
|
|
770 b = ngx_alloc_buf(r->pool);
|
|
|
771 if (b == NULL) {
|
|
|
772 return NGX_ERROR;
|
|
|
773 }
|
|
|
774
|
|
|
775 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
776
|
|
|
777 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
778 if (cl->next == NULL) {
|
|
|
779 return NGX_ERROR;
|
|
|
780 }
|
|
|
781
|
|
|
782 cl = cl->next;
|
|
|
783 cl->buf = b;
|
|
|
784
|
|
|
785 body = body->next;
|
|
|
786 }
|
|
|
787
|
|
160
|
788 b->flush = 1;
|
|
|
789
|
|
58
|
790 } else {
|
|
|
791 u->request_bufs = cl;
|
|
|
792 }
|
|
|
793
|
|
|
794 cl->next = NULL;
|
|
|
795
|
|
|
796 return NGX_OK;
|
|
|
797 }
|
|
|
798
|
|
|
799
|
|
|
800 static ngx_int_t
|
|
|
801 ngx_http_proxy_reinit_request(ngx_http_request_t *r)
|
|
|
802 {
|
|
|
803 ngx_http_proxy_ctx_t *p;
|
|
|
804
|
|
|
805 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
806
|
|
|
807 if (p == NULL) {
|
|
|
808 return NGX_OK;
|
|
|
809 }
|
|
|
810
|
|
|
811 p->status = 0;
|
|
|
812 p->status_count = 0;
|
|
|
813 p->status_start = NULL;
|
|
|
814 p->status_end = NULL;
|
|
|
815
|
|
|
816 r->upstream->process_header = ngx_http_proxy_process_status_line;
|
|
|
817
|
|
|
818 return NGX_OK;
|
|
|
819 }
|
|
|
820
|
|
|
821
|
|
|
822 static ngx_int_t
|
|
|
823 ngx_http_proxy_process_status_line(ngx_http_request_t *r)
|
|
|
824 {
|
|
|
825 ngx_int_t rc;
|
|
|
826 ngx_http_upstream_t *u;
|
|
|
827 ngx_http_proxy_ctx_t *p;
|
|
|
828
|
|
|
829 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
830
|
|
|
831 if (p == NULL) {
|
|
126
|
832 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
58
|
833 }
|
|
|
834
|
|
|
835 rc = ngx_http_proxy_parse_status_line(r, p);
|
|
|
836
|
|
|
837 if (rc == NGX_AGAIN) {
|
|
|
838 return rc;
|
|
|
839 }
|
|
|
840
|
|
|
841 u = r->upstream;
|
|
|
842
|
|
|
843 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) {
|
|
|
844 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
126
|
845 "upstream sent no valid HTTP/1.0 header");
|
|
58
|
846
|
|
168
|
847 #if 0
|
|
58
|
848 if (u->accel) {
|
|
|
849 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
850 }
|
|
168
|
851 #endif
|
|
58
|
852
|
|
|
853 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
854 p->status = NGX_HTTP_OK;
|
|
126
|
855
|
|
58
|
856 return NGX_OK;
|
|
|
857 }
|
|
|
858
|
|
78
|
859 u->headers_in.status_n = p->status;
|
|
58
|
860 u->state->status = p->status;
|
|
|
861
|
|
78
|
862 u->headers_in.status_line.len = p->status_end - p->status_start;
|
|
|
863 u->headers_in.status_line.data = ngx_palloc(r->pool,
|
|
|
864 u->headers_in.status_line.len);
|
|
|
865 if (u->headers_in.status_line.data == NULL) {
|
|
58
|
866 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
867 }
|
|
122
|
868
|
|
78
|
869 ngx_memcpy(u->headers_in.status_line.data, p->status_start,
|
|
|
870 u->headers_in.status_line.len);
|
|
58
|
871
|
|
|
872 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
873 "http proxy status %ui \"%V\"",
|
|
270
|
874 u->headers_in.status_n, &u->headers_in.status_line);
|
|
58
|
875
|
|
|
876 u->process_header = ngx_http_proxy_process_header;
|
|
|
877
|
|
|
878 return ngx_http_proxy_process_header(r);
|
|
|
879 }
|
|
|
880
|
|
|
881
|
|
|
882 static ngx_int_t
|
|
|
883 ngx_http_proxy_parse_status_line(ngx_http_request_t *r, ngx_http_proxy_ctx_t *p)
|
|
|
884 {
|
|
|
885 u_char ch;
|
|
|
886 u_char *pos;
|
|
|
887 ngx_http_upstream_t *u;
|
|
|
888 enum {
|
|
|
889 sw_start = 0,
|
|
|
890 sw_H,
|
|
|
891 sw_HT,
|
|
|
892 sw_HTT,
|
|
|
893 sw_HTTP,
|
|
|
894 sw_first_major_digit,
|
|
|
895 sw_major_digit,
|
|
|
896 sw_first_minor_digit,
|
|
|
897 sw_minor_digit,
|
|
|
898 sw_status,
|
|
|
899 sw_space_after_status,
|
|
|
900 sw_status_text,
|
|
|
901 sw_almost_done
|
|
126
|
902 } state;
|
|
58
|
903
|
|
|
904 u = r->upstream;
|
|
|
905
|
|
|
906 state = r->state;
|
|
|
907
|
|
130
|
908 for (pos = u->buffer.pos; pos < u->buffer.last; pos++) {
|
|
58
|
909 ch = *pos;
|
|
|
910
|
|
|
911 switch (state) {
|
|
|
912
|
|
|
913 /* "HTTP/" */
|
|
|
914 case sw_start:
|
|
|
915 switch (ch) {
|
|
126
|
916 case 'H':
|
|
58
|
917 state = sw_H;
|
|
|
918 break;
|
|
|
919 default:
|
|
|
920 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
921 }
|
|
|
922 break;
|
|
|
923
|
|
126
|
924 case sw_H:
|
|
58
|
925 switch (ch) {
|
|
126
|
926 case 'T':
|
|
58
|
927 state = sw_HT;
|
|
|
928 break;
|
|
|
929 default:
|
|
|
930 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
931 }
|
|
|
932 break;
|
|
|
933
|
|
|
934 case sw_HT:
|
|
|
935 switch (ch) {
|
|
126
|
936 case 'T':
|
|
58
|
937 state = sw_HTT;
|
|
|
938 break;
|
|
|
939 default:
|
|
|
940 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
941 }
|
|
|
942 break;
|
|
|
943
|
|
|
944 case sw_HTT:
|
|
|
945 switch (ch) {
|
|
126
|
946 case 'P':
|
|
58
|
947 state = sw_HTTP;
|
|
|
948 break;
|
|
|
949 default:
|
|
|
950 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
951 }
|
|
|
952 break;
|
|
|
953
|
|
|
954 case sw_HTTP:
|
|
|
955 switch (ch) {
|
|
126
|
956 case '/':
|
|
58
|
957 state = sw_first_major_digit;
|
|
|
958 break;
|
|
|
959 default:
|
|
|
960 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
961 }
|
|
|
962 break;
|
|
|
963
|
|
|
964 /* the first digit of major HTTP version */
|
|
|
965 case sw_first_major_digit:
|
|
|
966 if (ch < '1' || ch > '9') {
|
|
|
967 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
968 }
|
|
|
969
|
|
|
970 state = sw_major_digit;
|
|
|
971 break;
|
|
|
972
|
|
|
973 /* the major HTTP version or dot */
|
|
|
974 case sw_major_digit:
|
|
|
975 if (ch == '.') {
|
|
|
976 state = sw_first_minor_digit;
|
|
|
977 break;
|
|
|
978 }
|
|
|
979
|
|
|
980 if (ch < '0' || ch > '9') {
|
|
|
981 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
982 }
|
|
|
983
|
|
|
984 break;
|
|
|
985
|
|
|
986 /* the first digit of minor HTTP version */
|
|
|
987 case sw_first_minor_digit:
|
|
|
988 if (ch < '0' || ch > '9') {
|
|
|
989 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
990 }
|
|
|
991
|
|
|
992 state = sw_minor_digit;
|
|
|
993 break;
|
|
|
994
|
|
|
995 /* the minor HTTP version or the end of the request line */
|
|
|
996 case sw_minor_digit:
|
|
|
997 if (ch == ' ') {
|
|
|
998 state = sw_status;
|
|
|
999 break;
|
|
|
1000 }
|
|
|
1001
|
|
|
1002 if (ch < '0' || ch > '9') {
|
|
|
1003 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1004 }
|
|
|
1005
|
|
|
1006 break;
|
|
|
1007
|
|
|
1008 /* HTTP status code */
|
|
|
1009 case sw_status:
|
|
168
|
1010 if (ch == ' ') {
|
|
|
1011 break;
|
|
|
1012 }
|
|
|
1013
|
|
58
|
1014 if (ch < '0' || ch > '9') {
|
|
|
1015 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1016 }
|
|
|
1017
|
|
|
1018 p->status = p->status * 10 + ch - '0';
|
|
|
1019
|
|
|
1020 if (++p->status_count == 3) {
|
|
|
1021 state = sw_space_after_status;
|
|
|
1022 p->status_start = pos - 2;
|
|
|
1023 }
|
|
|
1024
|
|
|
1025 break;
|
|
|
1026
|
|
|
1027 /* space or end of line */
|
|
|
1028 case sw_space_after_status:
|
|
|
1029 switch (ch) {
|
|
126
|
1030 case ' ':
|
|
58
|
1031 state = sw_status_text;
|
|
|
1032 break;
|
|
|
1033 case '.': /* IIS may send 403.1, 403.2, etc */
|
|
|
1034 state = sw_status_text;
|
|
|
1035 break;
|
|
|
1036 case CR:
|
|
|
1037 state = sw_almost_done;
|
|
|
1038 break;
|
|
|
1039 case LF:
|
|
|
1040 goto done;
|
|
|
1041 default:
|
|
|
1042 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1043 }
|
|
|
1044 break;
|
|
|
1045
|
|
|
1046 /* any text until end of line */
|
|
|
1047 case sw_status_text:
|
|
|
1048 switch (ch) {
|
|
|
1049 case CR:
|
|
|
1050 state = sw_almost_done;
|
|
|
1051
|
|
|
1052 break;
|
|
|
1053 case LF:
|
|
|
1054 goto done;
|
|
|
1055 }
|
|
|
1056 break;
|
|
|
1057
|
|
76
|
1058 /* end of status line */
|
|
58
|
1059 case sw_almost_done:
|
|
|
1060 p->status_end = pos - 1;
|
|
|
1061 switch (ch) {
|
|
|
1062 case LF:
|
|
|
1063 goto done;
|
|
|
1064 default:
|
|
|
1065 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1066 }
|
|
|
1067 }
|
|
|
1068 }
|
|
|
1069
|
|
130
|
1070 u->buffer.pos = pos;
|
|
58
|
1071 r->state = state;
|
|
|
1072
|
|
|
1073 return NGX_AGAIN;
|
|
|
1074
|
|
|
1075 done:
|
|
|
1076
|
|
130
|
1077 u->buffer.pos = pos + 1;
|
|
58
|
1078
|
|
|
1079 if (p->status_end == NULL) {
|
|
|
1080 p->status_end = pos;
|
|
|
1081 }
|
|
|
1082
|
|
|
1083 r->state = sw_start;
|
|
|
1084
|
|
|
1085 return NGX_OK;
|
|
|
1086 }
|
|
|
1087
|
|
|
1088
|
|
|
1089 static ngx_int_t
|
|
|
1090 ngx_http_proxy_process_header(ngx_http_request_t *r)
|
|
|
1091 {
|
|
|
1092 ngx_int_t rc;
|
|
198
|
1093 ngx_uint_t i;
|
|
58
|
1094 ngx_table_elt_t *h;
|
|
|
1095 ngx_http_upstream_header_t *hh;
|
|
|
1096 ngx_http_upstream_main_conf_t *umcf;
|
|
|
1097
|
|
|
1098 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
1099
|
|
|
1100 for ( ;; ) {
|
|
|
1101
|
|
130
|
1102 rc = ngx_http_parse_header_line(r, &r->upstream->buffer);
|
|
58
|
1103
|
|
|
1104 if (rc == NGX_OK) {
|
|
|
1105
|
|
|
1106 /* a header line has been parsed successfully */
|
|
|
1107
|
|
|
1108 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1109 if (h == NULL) {
|
|
|
1110 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1111 }
|
|
|
1112
|
|
|
1113 h->hash = r->header_hash;
|
|
|
1114
|
|
|
1115 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
1116 h->value.len = r->header_end - r->header_start;
|
|
|
1117
|
|
|
1118 h->key.data = ngx_palloc(r->pool,
|
|
198
|
1119 h->key.len + 1 + h->value.len + 1 + h->key.len);
|
|
58
|
1120 if (h->key.data == NULL) {
|
|
|
1121 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1122 }
|
|
|
1123
|
|
|
1124 h->value.data = h->key.data + h->key.len + 1;
|
|
198
|
1125 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1;
|
|
58
|
1126
|
|
|
1127 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
|
1128 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
|
1129
|
|
198
|
1130 if (h->key.len == r->lowcase_index) {
|
|
|
1131 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
1132
|
|
|
1133 } else {
|
|
|
1134 for (i = 0; i < h->key.len; i++) {
|
|
|
1135 h->lowcase_key[i] = ngx_tolower(h->lowcase_key[i]);
|
|
58
|
1136 }
|
|
|
1137 }
|
|
|
1138
|
|
198
|
1139 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash,
|
|
|
1140 h->lowcase_key, h->key.len);
|
|
|
1141
|
|
|
1142 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
|
1143 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1144 }
|
|
|
1145
|
|
58
|
1146 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1147 "http proxy header: \"%V: %V\"",
|
|
|
1148 &h->key, &h->value);
|
|
|
1149
|
|
|
1150 continue;
|
|
|
1151 }
|
|
|
1152
|
|
|
1153 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
|
1154
|
|
|
1155 /* a whole header has been parsed successfully */
|
|
|
1156
|
|
|
1157 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1158 "http proxy header done");
|
|
|
1159
|
|
198
|
1160 /*
|
|
|
1161 * if no "Server" and "Date" in header line,
|
|
|
1162 * then add the special empty headers
|
|
|
1163 */
|
|
|
1164
|
|
|
1165 if (r->upstream->headers_in.server == NULL) {
|
|
|
1166 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1167 if (h == NULL) {
|
|
|
1168 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1169 }
|
|
|
1170
|
|
|
1171 h->hash = ngx_hash(ngx_hash(ngx_hash(ngx_hash(
|
|
|
1172 ngx_hash('s', 'e'), 'r'), 'v'), 'e'), 'r');
|
|
|
1173
|
|
|
1174 h->key.len = sizeof("Server") - 1;
|
|
|
1175 h->key.data = (u_char *) "Server";
|
|
|
1176 h->value.len = 0;
|
|
|
1177 h->value.data = NULL;
|
|
|
1178 h->lowcase_key = (u_char *) "server";
|
|
|
1179 }
|
|
|
1180
|
|
|
1181 if (r->upstream->headers_in.date == NULL) {
|
|
|
1182 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1183 if (h == NULL) {
|
|
|
1184 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1185 }
|
|
|
1186
|
|
|
1187 h->hash = ngx_hash(ngx_hash(ngx_hash('d', 'a'), 't'), 'e');
|
|
|
1188
|
|
|
1189 h->key.len = sizeof("Date") - 1;
|
|
|
1190 h->key.data = (u_char *) "Date";
|
|
|
1191 h->value.len = 0;
|
|
|
1192 h->value.data = NULL;
|
|
|
1193 h->lowcase_key = (u_char *) "date";
|
|
|
1194 }
|
|
|
1195
|
|
58
|
1196 return NGX_OK;
|
|
|
1197 }
|
|
|
1198
|
|
70
|
1199 if (rc == NGX_AGAIN) {
|
|
|
1200 return NGX_AGAIN;
|
|
|
1201 }
|
|
|
1202
|
|
58
|
1203 /* there was error while a header line parsing */
|
|
|
1204
|
|
|
1205 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
168
|
1206 "upstream sent invalid header");
|
|
58
|
1207
|
|
|
1208 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1209 }
|
|
|
1210 }
|
|
|
1211
|
|
|
1212
|
|
|
1213 static void
|
|
|
1214 ngx_http_proxy_abort_request(ngx_http_request_t *r)
|
|
|
1215 {
|
|
|
1216 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1217 "abort http proxy request");
|
|
126
|
1218
|
|
58
|
1219 return;
|
|
|
1220 }
|
|
|
1221
|
|
|
1222
|
|
|
1223 static void
|
|
|
1224 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
126
|
1225 {
|
|
58
|
1226 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1227 "finalize http proxy request");
|
|
|
1228
|
|
|
1229 return;
|
|
|
1230 }
|
|
|
1231
|
|
|
1232
|
|
122
|
1233 static ngx_int_t
|
|
|
1234 ngx_http_proxy_host_variable(ngx_http_request_t *r,
|
|
|
1235 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1236 {
|
|
|
1237 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1238
|
|
|
1239 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1240
|
|
122
|
1241 v->len = plcf->host_header.len;
|
|
126
|
1242 v->valid = 1;
|
|
122
|
1243 v->no_cachable = 0;
|
|
|
1244 v->not_found = 0;
|
|
|
1245 v->data = plcf->host_header.data;
|
|
58
|
1246
|
|
122
|
1247 return NGX_OK;
|
|
58
|
1248 }
|
|
|
1249
|
|
|
1250
|
|
122
|
1251 static ngx_int_t
|
|
|
1252 ngx_http_proxy_port_variable(ngx_http_request_t *r,
|
|
|
1253 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1254 {
|
|
|
1255 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1256
|
|
|
1257 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1258
|
|
266
|
1259 v->len = plcf->port.len;
|
|
126
|
1260 v->valid = 1;
|
|
122
|
1261 v->no_cachable = 0;
|
|
|
1262 v->not_found = 0;
|
|
266
|
1263 v->data = plcf->port.data;
|
|
58
|
1264
|
|
122
|
1265 return NGX_OK;
|
|
58
|
1266 }
|
|
|
1267
|
|
|
1268
|
|
122
|
1269 static ngx_int_t
|
|
58
|
1270 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
|
|
122
|
1271 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1272 {
|
|
122
|
1273 u_char *p;
|
|
58
|
1274
|
|
126
|
1275 v->valid = 1;
|
|
122
|
1276 v->no_cachable = 0;
|
|
|
1277 v->not_found = 0;
|
|
58
|
1278
|
|
|
1279 if (r->headers_in.x_forwarded_for == NULL) {
|
|
122
|
1280 v->len = r->connection->addr_text.len;
|
|
|
1281 v->data = r->connection->addr_text.data;
|
|
|
1282 return NGX_OK;
|
|
58
|
1283 }
|
|
|
1284
|
|
122
|
1285 v->len = r->headers_in.x_forwarded_for->value.len
|
|
|
1286 + sizeof(", ") - 1 + r->connection->addr_text.len;
|
|
58
|
1287
|
|
122
|
1288 p = ngx_palloc(r->pool, v->len);
|
|
58
|
1289 if (p == NULL) {
|
|
122
|
1290 return NGX_ERROR;
|
|
58
|
1291 }
|
|
|
1292
|
|
122
|
1293 v->data = p;
|
|
58
|
1294
|
|
122
|
1295 p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data,
|
|
|
1296 r->headers_in.x_forwarded_for->value.len);
|
|
58
|
1297
|
|
|
1298 *p++ = ','; *p++ = ' ';
|
|
|
1299
|
|
|
1300 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len);
|
|
|
1301
|
|
122
|
1302 return NGX_OK;
|
|
58
|
1303 }
|
|
|
1304
|
|
|
1305
|
|
|
1306 static ngx_int_t
|
|
126
|
1307 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
|
|
|
1308 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1309 {
|
|
|
1310 ngx_http_proxy_ctx_t *p;
|
|
|
1311
|
|
|
1312 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1313
|
|
|
1314 if (p == NULL) {
|
|
|
1315 v->not_found = 1;
|
|
|
1316 return NGX_OK;
|
|
|
1317 }
|
|
|
1318
|
|
|
1319 v->valid = 1;
|
|
|
1320 v->no_cachable = 0;
|
|
|
1321 v->not_found = 0;
|
|
|
1322
|
|
|
1323 v->data = ngx_palloc(r->connection->pool, NGX_SIZE_T_LEN);
|
|
|
1324
|
|
|
1325 if (v->data == NULL) {
|
|
|
1326 return NGX_ERROR;
|
|
|
1327 }
|
|
|
1328
|
|
|
1329 v->len = ngx_sprintf(v->data, "%uz", p->internal_body_length) - v->data;
|
|
|
1330
|
|
|
1331 return NGX_OK;
|
|
|
1332 }
|
|
|
1333
|
|
|
1334
|
|
|
1335 static ngx_int_t
|
|
58
|
1336 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1337 size_t prefix)
|
|
|
1338 {
|
|
|
1339 ngx_int_t rc;
|
|
|
1340 ngx_uint_t i;
|
|
|
1341 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1342 ngx_http_proxy_redirect_t *pr;
|
|
|
1343
|
|
|
1344 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1345
|
|
|
1346 pr = plcf->redirects->elts;
|
|
|
1347
|
|
|
1348 if (pr == NULL) {
|
|
|
1349 return NGX_DECLINED;
|
|
|
1350 }
|
|
|
1351
|
|
|
1352 for (i = 0; i < plcf->redirects->nelts; i++) {
|
|
154
|
1353 rc = pr[i].handler(r, h, prefix, &pr[i]);
|
|
58
|
1354
|
|
|
1355 if (rc != NGX_DECLINED) {
|
|
|
1356 return rc;
|
|
|
1357 }
|
|
|
1358 }
|
|
|
1359
|
|
|
1360 return NGX_DECLINED;
|
|
|
1361 }
|
|
|
1362
|
|
|
1363
|
|
|
1364 static ngx_int_t
|
|
|
1365 ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1366 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1367 {
|
|
|
1368 size_t len;
|
|
|
1369 u_char *data, *p;
|
|
|
1370
|
|
|
1371 if (pr->redirect.len > h->value.len - prefix
|
|
|
1372 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1373 pr->redirect.len) != 0)
|
|
|
1374 {
|
|
|
1375 return NGX_DECLINED;
|
|
|
1376 }
|
|
|
1377
|
|
|
1378 len = prefix + pr->replacement.text.len + h->value.len - pr->redirect.len;
|
|
|
1379
|
|
|
1380 data = ngx_palloc(r->pool, len);
|
|
|
1381 if (data == NULL) {
|
|
|
1382 return NGX_ERROR;
|
|
|
1383 }
|
|
|
1384
|
|
|
1385 p = data;
|
|
|
1386
|
|
122
|
1387 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1388
|
|
202
|
1389 if (pr->replacement.text.len) {
|
|
|
1390 p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len);
|
|
|
1391 }
|
|
58
|
1392
|
|
|
1393 ngx_memcpy(p, h->value.data + prefix + pr->redirect.len,
|
|
|
1394 h->value.len - pr->redirect.len - prefix);
|
|
|
1395
|
|
|
1396 h->value.len = len;
|
|
|
1397 h->value.data = data;
|
|
|
1398
|
|
|
1399 return NGX_OK;
|
|
|
1400 }
|
|
|
1401
|
|
|
1402
|
|
|
1403 static ngx_int_t
|
|
|
1404 ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1405 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1406 {
|
|
|
1407 size_t len;
|
|
|
1408 u_char *data, *p;
|
|
|
1409 ngx_http_script_code_pt code;
|
|
|
1410 ngx_http_script_engine_t e;
|
|
|
1411 ngx_http_script_len_code_pt lcode;
|
|
|
1412
|
|
|
1413 if (pr->redirect.len > h->value.len - prefix
|
|
|
1414 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1415 pr->redirect.len) != 0)
|
|
|
1416 {
|
|
|
1417 return NGX_DECLINED;
|
|
|
1418 }
|
|
|
1419
|
|
|
1420 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
1421
|
|
|
1422 e.ip = pr->replacement.vars.lengths;
|
|
|
1423 e.request = r;
|
|
|
1424
|
|
238
|
1425 len = prefix + h->value.len - pr->redirect.len;
|
|
|
1426
|
|
|
1427 while (*(uintptr_t *) e.ip) {
|
|
58
|
1428 lcode = *(ngx_http_script_len_code_pt *) e.ip;
|
|
238
|
1429 len += lcode(&e);
|
|
58
|
1430 }
|
|
|
1431
|
|
|
1432 data = ngx_palloc(r->pool, len);
|
|
|
1433 if (data == NULL) {
|
|
|
1434 return NGX_ERROR;
|
|
|
1435 }
|
|
|
1436
|
|
|
1437 p = data;
|
|
|
1438
|
|
122
|
1439 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1440
|
|
|
1441 e.ip = pr->replacement.vars.values;
|
|
|
1442 e.pos = p;
|
|
|
1443
|
|
|
1444 while (*(uintptr_t *) e.ip) {
|
|
|
1445 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1446 code(&e);
|
|
|
1447 }
|
|
|
1448
|
|
238
|
1449 ngx_memcpy(e.pos, h->value.data + prefix + pr->redirect.len,
|
|
|
1450 h->value.len - pr->redirect.len - prefix);
|
|
|
1451
|
|
58
|
1452 h->value.len = len;
|
|
|
1453 h->value.data = data;
|
|
|
1454
|
|
|
1455 return NGX_OK;
|
|
|
1456 }
|
|
|
1457
|
|
|
1458
|
|
|
1459 static ngx_int_t
|
|
|
1460 ngx_http_proxy_add_variables(ngx_conf_t *cf)
|
|
|
1461 {
|
|
|
1462 ngx_http_variable_t *var, *v;
|
|
|
1463
|
|
|
1464 for (v = ngx_http_proxy_vars; v->name.len; v++) {
|
|
|
1465 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
1466 if (var == NULL) {
|
|
|
1467 return NGX_ERROR;
|
|
|
1468 }
|
|
|
1469
|
|
186
|
1470 var->get_handler = v->get_handler;
|
|
58
|
1471 var->data = v->data;
|
|
|
1472 }
|
|
|
1473
|
|
|
1474 return NGX_OK;
|
|
|
1475 }
|
|
|
1476
|
|
|
1477
|
|
|
1478 static void *
|
|
|
1479 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
|
|
|
1480 {
|
|
|
1481 ngx_http_proxy_loc_conf_t *conf;
|
|
|
1482
|
|
|
1483 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t));
|
|
|
1484 if (conf == NULL) {
|
|
|
1485 return NGX_CONF_ERROR;
|
|
|
1486 }
|
|
|
1487
|
|
|
1488 /*
|
|
|
1489 * set by ngx_pcalloc():
|
|
|
1490 *
|
|
|
1491 * conf->upstream.bufs.num = 0;
|
|
|
1492 * conf->upstream.next_upstream = 0;
|
|
|
1493 * conf->upstream.temp_path = NULL;
|
|
198
|
1494 * conf->upstream.hide_headers_hash = { NULL, 0 };
|
|
|
1495 * conf->upstream.hide_headers = NULL;
|
|
|
1496 * conf->upstream.pass_headers = NULL;
|
|
58
|
1497 * conf->upstream.schema = { 0, NULL };
|
|
|
1498 * conf->upstream.uri = { 0, NULL };
|
|
|
1499 * conf->upstream.location = NULL;
|
|
|
1500 *
|
|
110
|
1501 * conf->method = NULL;
|
|
58
|
1502 * conf->headers_source = NULL;
|
|
|
1503 * conf->headers_set_len = NULL;
|
|
|
1504 * conf->headers_set = NULL;
|
|
|
1505 * conf->headers_set_hash = NULL;
|
|
126
|
1506 * conf->body_set_len = NULL;
|
|
|
1507 * conf->body_set = NULL;
|
|
|
1508 * conf->body_source = { 0, NULL };
|
|
58
|
1509 * conf->rewrite_locations = NULL;
|
|
|
1510 */
|
|
126
|
1511
|
|
318
|
1512 conf->upstream.store = NGX_CONF_UNSET_UINT;
|
|
130
|
1513 conf->upstream.buffering = NGX_CONF_UNSET;
|
|
178
|
1514 conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
|
|
130
|
1515
|
|
58
|
1516 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1517 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1518 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1519
|
|
|
1520 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
130
|
1521 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
78
|
1522
|
|
|
1523 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
126
|
1524 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
78
|
1525 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
58
|
1526
|
|
|
1527 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
|
1528 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
110
|
1529
|
|
206
|
1530 conf->upstream.intercept_errors = NGX_CONF_UNSET;
|
|
58
|
1531
|
|
|
1532 /* "proxy_cyclic_temp_file" is disabled */
|
|
|
1533 conf->upstream.cyclic_temp_file = 0;
|
|
|
1534
|
|
|
1535 conf->redirect = NGX_CONF_UNSET;
|
|
198
|
1536 conf->upstream.change_buffering = 1;
|
|
58
|
1537
|
|
298
|
1538 conf->headers_hash_max_size = NGX_CONF_UNSET_UINT;
|
|
|
1539 conf->headers_hash_bucket_size = NGX_CONF_UNSET_UINT;
|
|
|
1540
|
|
58
|
1541 return conf;
|
|
|
1542 }
|
|
|
1543
|
|
|
1544
|
|
|
1545 static char *
|
|
|
1546 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1547 {
|
|
|
1548 ngx_http_proxy_loc_conf_t *prev = parent;
|
|
|
1549 ngx_http_proxy_loc_conf_t *conf = child;
|
|
|
1550
|
|
|
1551 u_char *p;
|
|
|
1552 size_t size;
|
|
|
1553 uintptr_t *code;
|
|
198
|
1554 ngx_str_t *header;
|
|
|
1555 ngx_uint_t i, j;
|
|
|
1556 ngx_array_t hide_headers;
|
|
|
1557 ngx_keyval_t *src, *s, *h;
|
|
|
1558 ngx_hash_key_t *hk;
|
|
|
1559 ngx_hash_init_t hash;
|
|
58
|
1560 ngx_http_proxy_redirect_t *pr;
|
|
|
1561 ngx_http_script_compile_t sc;
|
|
|
1562 ngx_http_script_copy_code_t *copy;
|
|
|
1563
|
|
318
|
1564 ngx_conf_merge_uint_value(conf->upstream.store,
|
|
|
1565 prev->upstream.store, 0);
|
|
|
1566
|
|
130
|
1567 ngx_conf_merge_value(conf->upstream.buffering,
|
|
|
1568 prev->upstream.buffering, 1);
|
|
|
1569
|
|
178
|
1570 ngx_conf_merge_value(conf->upstream.ignore_client_abort,
|
|
|
1571 prev->upstream.ignore_client_abort, 0);
|
|
|
1572
|
|
58
|
1573 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
1574 prev->upstream.connect_timeout, 60000);
|
|
|
1575
|
|
|
1576 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
1577 prev->upstream.send_timeout, 60000);
|
|
|
1578
|
|
|
1579 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
1580 prev->upstream.read_timeout, 60000);
|
|
|
1581
|
|
|
1582 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
|
1583 prev->upstream.send_lowat, 0);
|
|
|
1584
|
|
130
|
1585 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
|
1586 prev->upstream.buffer_size,
|
|
58
|
1587 (size_t) ngx_pagesize);
|
|
|
1588
|
|
|
1589 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
|
1590 8, ngx_pagesize);
|
|
|
1591
|
|
|
1592 if (conf->upstream.bufs.num < 2) {
|
|
126
|
1593 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
58
|
1594 "there must be at least 2 \"proxy_buffers\"");
|
|
|
1595 return NGX_CONF_ERROR;
|
|
|
1596 }
|
|
126
|
1597
|
|
58
|
1598
|
|
130
|
1599 size = conf->upstream.buffer_size;
|
|
126
|
1600 if (size < conf->upstream.bufs.size) {
|
|
58
|
1601 size = conf->upstream.bufs.size;
|
|
|
1602 }
|
|
|
1603
|
|
|
1604
|
|
78
|
1605 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
|
1606 prev->upstream.busy_buffers_size_conf,
|
|
58
|
1607 NGX_CONF_UNSET_SIZE);
|
|
|
1608
|
|
78
|
1609 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1610 conf->upstream.busy_buffers_size = 2 * size;
|
|
78
|
1611 } else {
|
|
|
1612 conf->upstream.busy_buffers_size =
|
|
|
1613 conf->upstream.busy_buffers_size_conf;
|
|
|
1614 }
|
|
126
|
1615
|
|
78
|
1616 if (conf->upstream.busy_buffers_size < size) {
|
|
58
|
1617 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1618 "\"proxy_busy_buffers_size\" must be equal or bigger than "
|
|
288
|
1619 "maximum of the value of \"proxy_buffer_size\" and "
|
|
58
|
1620 "one of the \"proxy_buffers\"");
|
|
|
1621
|
|
|
1622 return NGX_CONF_ERROR;
|
|
78
|
1623 }
|
|
58
|
1624
|
|
78
|
1625 if (conf->upstream.busy_buffers_size
|
|
|
1626 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
58
|
1627 {
|
|
|
1628 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1629 "\"proxy_busy_buffers_size\" must be less than "
|
|
|
1630 "the size of all \"proxy_buffers\" minus one buffer");
|
|
|
1631
|
|
|
1632 return NGX_CONF_ERROR;
|
|
|
1633 }
|
|
78
|
1634
|
|
58
|
1635
|
|
78
|
1636 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
|
1637 prev->upstream.temp_file_write_size_conf,
|
|
58
|
1638 NGX_CONF_UNSET_SIZE);
|
|
|
1639
|
|
78
|
1640 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1641 conf->upstream.temp_file_write_size = 2 * size;
|
|
78
|
1642 } else {
|
|
|
1643 conf->upstream.temp_file_write_size =
|
|
|
1644 conf->upstream.temp_file_write_size_conf;
|
|
|
1645 }
|
|
126
|
1646
|
|
78
|
1647 if (conf->upstream.temp_file_write_size < size) {
|
|
58
|
1648 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1649 "\"proxy_temp_file_write_size\" must be equal or bigger than "
|
|
288
|
1650 "maximum of the value of \"proxy_buffer_size\" and "
|
|
58
|
1651 "one of the \"proxy_buffers\"");
|
|
|
1652
|
|
|
1653 return NGX_CONF_ERROR;
|
|
|
1654 }
|
|
|
1655
|
|
78
|
1656 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
|
1657 prev->upstream.max_temp_file_size_conf,
|
|
58
|
1658 NGX_CONF_UNSET_SIZE);
|
|
|
1659
|
|
78
|
1660 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1661 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
78
|
1662 } else {
|
|
|
1663 conf->upstream.max_temp_file_size =
|
|
|
1664 conf->upstream.max_temp_file_size_conf;
|
|
|
1665 }
|
|
58
|
1666
|
|
78
|
1667 if (conf->upstream.max_temp_file_size != 0
|
|
|
1668 && conf->upstream.max_temp_file_size < size)
|
|
58
|
1669 {
|
|
|
1670 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
110
|
1671 "\"proxy_max_temp_file_size\" must be equal to zero to disable "
|
|
58
|
1672 "the temporary files usage or must be equal or bigger than "
|
|
288
|
1673 "maximum of the value of \"proxy_buffer_size\" and "
|
|
110
|
1674 "one of the \"proxy_buffers\"");
|
|
58
|
1675
|
|
|
1676 return NGX_CONF_ERROR;
|
|
|
1677 }
|
|
|
1678
|
|
78
|
1679
|
|
58
|
1680 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
1681 prev->upstream.next_upstream,
|
|
|
1682 (NGX_CONF_BITMASK_SET
|
|
|
1683 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
1684 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
1685
|
|
214
|
1686 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
1687 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
|
|
|
1688 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
1689 }
|
|
|
1690
|
|
58
|
1691 ngx_conf_merge_path_value(conf->upstream.temp_path,
|
|
|
1692 prev->upstream.temp_path,
|
|
|
1693 NGX_HTTP_PROXY_TEMP_PATH, 1, 2, 0,
|
|
|
1694 ngx_garbage_collector_temp_handler, cf);
|
|
|
1695
|
|
110
|
1696 if (conf->method.len == 0) {
|
|
|
1697 conf->method = prev->method;
|
|
|
1698
|
|
|
1699 } else {
|
|
|
1700 conf->method.data[conf->method.len] = ' ';
|
|
|
1701 conf->method.len++;
|
|
58
|
1702 }
|
|
|
1703
|
|
|
1704 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
|
1705 prev->upstream.pass_request_headers, 1);
|
|
|
1706 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
|
1707 prev->upstream.pass_request_body, 1);
|
|
|
1708
|
|
206
|
1709 ngx_conf_merge_value(conf->upstream.intercept_errors,
|
|
|
1710 prev->upstream.intercept_errors, 0);
|
|
58
|
1711
|
|
|
1712 ngx_conf_merge_value(conf->redirect, prev->redirect, 1);
|
|
|
1713
|
|
|
1714 if (conf->redirect) {
|
|
|
1715
|
|
|
1716 if (conf->redirects == NULL) {
|
|
|
1717 conf->redirects = prev->redirects;
|
|
|
1718 }
|
|
|
1719
|
|
|
1720 if (conf->redirects == NULL && conf->upstream.url.data) {
|
|
|
1721
|
|
|
1722 conf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
1723 sizeof(ngx_http_proxy_redirect_t));
|
|
|
1724 if (conf->redirects == NULL) {
|
|
|
1725 return NGX_CONF_ERROR;
|
|
|
1726 }
|
|
|
1727
|
|
|
1728 pr = ngx_array_push(conf->redirects);
|
|
|
1729 if (pr == NULL) {
|
|
|
1730 return NGX_CONF_ERROR;
|
|
|
1731 }
|
|
|
1732
|
|
|
1733 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
1734 pr->redirect = conf->upstream.url;
|
|
202
|
1735
|
|
|
1736 if (conf->upstream.uri.len) {
|
|
|
1737 pr->replacement.text = conf->upstream.location;
|
|
|
1738
|
|
|
1739 } else {
|
|
|
1740 pr->replacement.text.len = 0;
|
|
|
1741 pr->replacement.text.data = NULL;
|
|
|
1742 }
|
|
58
|
1743 }
|
|
|
1744 }
|
|
|
1745
|
|
298
|
1746 ngx_conf_merge_uint_value(conf->headers_hash_max_size,
|
|
|
1747 prev->headers_hash_max_size, 512);
|
|
|
1748
|
|
|
1749 ngx_conf_merge_uint_value(conf->headers_hash_bucket_size,
|
|
|
1750 prev->headers_hash_bucket_size, 64);
|
|
|
1751
|
|
|
1752 conf->headers_hash_bucket_size = ngx_align(conf->headers_hash_bucket_size,
|
|
|
1753 ngx_cacheline_size);
|
|
|
1754
|
|
198
|
1755 if (conf->upstream.hide_headers == NULL
|
|
|
1756 && conf->upstream.pass_headers == NULL)
|
|
|
1757 {
|
|
|
1758 conf->upstream.hide_headers = prev->upstream.hide_headers;
|
|
|
1759 conf->upstream.pass_headers = prev->upstream.pass_headers;
|
|
|
1760 conf->upstream.hide_headers_hash = prev->upstream.hide_headers_hash;
|
|
|
1761
|
|
|
1762 if (conf->upstream.hide_headers_hash.buckets) {
|
|
|
1763 goto peers;
|
|
|
1764 }
|
|
|
1765
|
|
|
1766 } else {
|
|
|
1767 if (conf->upstream.hide_headers == NULL) {
|
|
|
1768 conf->upstream.hide_headers = prev->upstream.hide_headers;
|
|
|
1769 }
|
|
|
1770
|
|
|
1771 if (conf->upstream.pass_headers == NULL) {
|
|
|
1772 conf->upstream.pass_headers = prev->upstream.pass_headers;
|
|
|
1773 }
|
|
|
1774 }
|
|
|
1775
|
|
|
1776 if (ngx_array_init(&hide_headers, cf->temp_pool, 4, sizeof(ngx_hash_key_t))
|
|
|
1777 != NGX_OK)
|
|
|
1778 {
|
|
|
1779 return NGX_CONF_ERROR;
|
|
|
1780 }
|
|
|
1781
|
|
|
1782 for (header = ngx_http_proxy_hide_headers; header->len; header++) {
|
|
|
1783 hk = ngx_array_push(&hide_headers);
|
|
|
1784 if (hk == NULL) {
|
|
|
1785 return NGX_CONF_ERROR;
|
|
|
1786 }
|
|
|
1787
|
|
|
1788 hk->key = *header;
|
|
|
1789 hk->key_hash = ngx_hash_key_lc(header->data, header->len);
|
|
|
1790 hk->value = (void *) 1;
|
|
|
1791 }
|
|
|
1792
|
|
|
1793 if (conf->upstream.hide_headers) {
|
|
|
1794
|
|
|
1795 header = conf->upstream.hide_headers->elts;
|
|
|
1796
|
|
|
1797 for (i = 0; i < conf->upstream.hide_headers->nelts; i++) {
|
|
|
1798
|
|
|
1799 hk = hide_headers.elts;
|
|
|
1800
|
|
|
1801 for (j = 0; j < hide_headers.nelts; j++) {
|
|
|
1802 if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) {
|
|
|
1803 goto exist;
|
|
|
1804 }
|
|
|
1805 }
|
|
|
1806
|
|
|
1807 hk = ngx_array_push(&hide_headers);
|
|
|
1808 if (hk == NULL) {
|
|
|
1809 return NGX_CONF_ERROR;
|
|
|
1810 }
|
|
|
1811
|
|
|
1812 hk->key = header[i];
|
|
|
1813 hk->key_hash = ngx_hash_key_lc(header[i].data, header[i].len);
|
|
|
1814 hk->value = (void *) 1;
|
|
|
1815
|
|
|
1816 exist:
|
|
|
1817
|
|
|
1818 continue;
|
|
|
1819 }
|
|
|
1820 }
|
|
|
1821
|
|
|
1822 if (conf->upstream.pass_headers) {
|
|
|
1823
|
|
|
1824 hk = hide_headers.elts;
|
|
|
1825 header = conf->upstream.pass_headers->elts;
|
|
|
1826
|
|
|
1827 for (i = 0; i < conf->upstream.pass_headers->nelts; i++) {
|
|
|
1828 for (j = 0; j < hide_headers.nelts; j++) {
|
|
|
1829
|
|
|
1830 if (hk[j].key.data == NULL) {
|
|
|
1831 continue;
|
|
|
1832 }
|
|
|
1833
|
|
|
1834 if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) {
|
|
|
1835 hk[j].key.data = NULL;
|
|
|
1836 break;
|
|
|
1837 }
|
|
|
1838 }
|
|
|
1839 }
|
|
|
1840 }
|
|
|
1841
|
|
|
1842 hash.hash = &conf->upstream.hide_headers_hash;
|
|
|
1843 hash.key = ngx_hash_key_lc;
|
|
298
|
1844 hash.max_size = conf->headers_hash_max_size;
|
|
|
1845 hash.bucket_size = conf->headers_hash_bucket_size;
|
|
|
1846 hash.name = "proxy_headers_hash";
|
|
198
|
1847 hash.pool = cf->pool;
|
|
|
1848 hash.temp_pool = NULL;
|
|
|
1849
|
|
|
1850 if (ngx_hash_init(&hash, hide_headers.elts, hide_headers.nelts) != NGX_OK) {
|
|
|
1851 return NGX_CONF_ERROR;
|
|
|
1852 }
|
|
|
1853
|
|
|
1854 peers:
|
|
58
|
1855
|
|
260
|
1856 if (conf->upstream.upstream == NULL) {
|
|
|
1857 conf->upstream.upstream = prev->upstream.upstream;
|
|
178
|
1858
|
|
|
1859 conf->host_header = prev->host_header;
|
|
266
|
1860 conf->port = prev->port;
|
|
178
|
1861 conf->upstream.schema = prev->upstream.schema;
|
|
58
|
1862 }
|
|
|
1863
|
|
126
|
1864
|
|
|
1865 if (conf->body_source.data == NULL) {
|
|
|
1866 conf->body_source = prev->body_source;
|
|
|
1867 conf->body_set_len = prev->body_set_len;
|
|
|
1868 conf->body_set = prev->body_set;
|
|
|
1869 }
|
|
|
1870
|
|
128
|
1871 if (conf->body_source.data && conf->body_set_len == NULL) {
|
|
126
|
1872
|
|
|
1873 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1874
|
|
|
1875 sc.cf = cf;
|
|
|
1876 sc.source = &conf->body_source;
|
|
|
1877 sc.flushes = &conf->flushes;
|
|
|
1878 sc.lengths = &conf->body_set_len;
|
|
|
1879 sc.values = &conf->body_set;
|
|
|
1880 sc.complete_lengths = 1;
|
|
|
1881 sc.complete_values = 1;
|
|
|
1882
|
|
|
1883 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1884 return NGX_CONF_ERROR;
|
|
|
1885 }
|
|
|
1886
|
|
|
1887 if (conf->headers_source == NULL) {
|
|
|
1888 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
1889 sizeof(ngx_keyval_t));
|
|
126
|
1890 if (conf->headers_source == NULL) {
|
|
|
1891 return NGX_CONF_ERROR;
|
|
|
1892 }
|
|
|
1893 }
|
|
|
1894
|
|
|
1895 s = ngx_array_push(conf->headers_source);
|
|
|
1896 if (s == NULL) {
|
|
|
1897 return NGX_CONF_ERROR;
|
|
|
1898 }
|
|
|
1899
|
|
|
1900 s->key.len = sizeof("Content-Length") - 1;
|
|
|
1901 s->key.data = (u_char *) "Content-Length";
|
|
|
1902 s->value.len = sizeof("$proxy_internal_body_length") - 1;
|
|
|
1903 s->value.data = (u_char *) "$proxy_internal_body_length";
|
|
|
1904 }
|
|
|
1905
|
|
|
1906
|
|
58
|
1907 if (conf->headers_source == NULL) {
|
|
122
|
1908 conf->flushes = prev->flushes;
|
|
58
|
1909 conf->headers_set_len = prev->headers_set_len;
|
|
|
1910 conf->headers_set = prev->headers_set;
|
|
|
1911 conf->headers_set_hash = prev->headers_set_hash;
|
|
122
|
1912 conf->headers_source = prev->headers_source;
|
|
58
|
1913 }
|
|
|
1914
|
|
198
|
1915 if (conf->headers_set_hash.buckets) {
|
|
58
|
1916 return NGX_CONF_OK;
|
|
|
1917 }
|
|
|
1918
|
|
|
1919
|
|
198
|
1920 conf->headers_names = ngx_array_create(cf->pool, 4, sizeof(ngx_hash_key_t));
|
|
58
|
1921 if (conf->headers_names == NULL) {
|
|
|
1922 return NGX_CONF_ERROR;
|
|
|
1923 }
|
|
|
1924
|
|
|
1925 if (conf->headers_source == NULL) {
|
|
|
1926 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
1927 sizeof(ngx_keyval_t));
|
|
58
|
1928 if (conf->headers_source == NULL) {
|
|
|
1929 return NGX_CONF_ERROR;
|
|
|
1930 }
|
|
|
1931 }
|
|
|
1932
|
|
|
1933 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1);
|
|
|
1934 if (conf->headers_set_len == NULL) {
|
|
|
1935 return NGX_CONF_ERROR;
|
|
|
1936 }
|
|
|
1937
|
|
|
1938 conf->headers_set = ngx_array_create(cf->pool, 512, 1);
|
|
|
1939 if (conf->headers_set == NULL) {
|
|
|
1940 return NGX_CONF_ERROR;
|
|
|
1941 }
|
|
|
1942
|
|
|
1943
|
|
|
1944 src = conf->headers_source->elts;
|
|
|
1945
|
|
|
1946 for (h = ngx_http_proxy_headers; h->key.len; h++) {
|
|
|
1947
|
|
|
1948 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
1949 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
|
1950 goto next;
|
|
|
1951 }
|
|
|
1952 }
|
|
|
1953
|
|
|
1954 s = ngx_array_push(conf->headers_source);
|
|
|
1955 if (s == NULL) {
|
|
|
1956 return NGX_CONF_ERROR;
|
|
|
1957 }
|
|
|
1958
|
|
|
1959 *s = *h;
|
|
|
1960
|
|
66
|
1961 src = conf->headers_source->elts;
|
|
|
1962
|
|
58
|
1963 next:
|
|
|
1964
|
|
|
1965 continue;
|
|
|
1966 }
|
|
|
1967
|
|
126
|
1968
|
|
|
1969 src = conf->headers_source->elts;
|
|
58
|
1970 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
1971
|
|
198
|
1972 hk = ngx_array_push(conf->headers_names);
|
|
|
1973 if (hk == NULL) {
|
|
58
|
1974 return NGX_CONF_ERROR;
|
|
|
1975 }
|
|
|
1976
|
|
198
|
1977 hk->key = src[i].key;
|
|
|
1978 hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len);
|
|
|
1979 hk->value = (void *) 1;
|
|
58
|
1980
|
|
68
|
1981 if (src[i].value.len == 0) {
|
|
|
1982 continue;
|
|
|
1983 }
|
|
|
1984
|
|
58
|
1985 if (ngx_http_script_variables_count(&src[i].value) == 0) {
|
|
|
1986 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
1987 sizeof(ngx_http_script_copy_code_t));
|
|
|
1988 if (copy == NULL) {
|
|
|
1989 return NGX_CONF_ERROR;
|
|
|
1990 }
|
|
|
1991
|
|
|
1992 copy->code = (ngx_http_script_code_pt)
|
|
|
1993 ngx_http_script_copy_len_code;
|
|
|
1994 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
1995 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
1996
|
|
|
1997
|
|
|
1998 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1999 + src[i].key.len + sizeof(": ") - 1
|
|
|
2000 + src[i].value.len + sizeof(CRLF) - 1
|
|
|
2001 + sizeof(uintptr_t) - 1)
|
|
|
2002 & ~(sizeof(uintptr_t) - 1);
|
|
|
2003
|
|
|
2004 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2005 if (copy == NULL) {
|
|
|
2006 return NGX_CONF_ERROR;
|
|
|
2007 }
|
|
|
2008
|
|
|
2009 copy->code = ngx_http_script_copy_code;
|
|
|
2010 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
2011 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
2012
|
|
|
2013 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2014
|
|
|
2015 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
2016 *p++ = ':'; *p++ = ' ';
|
|
|
2017 p = ngx_cpymem(p, src[i].value.data, src[i].value.len);
|
|
|
2018 *p++ = CR; *p = LF;
|
|
|
2019
|
|
|
2020 } else {
|
|
|
2021 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2022 sizeof(ngx_http_script_copy_code_t));
|
|
|
2023 if (copy == NULL) {
|
|
|
2024 return NGX_CONF_ERROR;
|
|
|
2025 }
|
|
|
2026
|
|
|
2027 copy->code = (ngx_http_script_code_pt)
|
|
|
2028 ngx_http_script_copy_len_code;
|
|
|
2029 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
2030
|
|
|
2031
|
|
|
2032 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2033 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1)
|
|
|
2034 & ~(sizeof(uintptr_t) - 1);
|
|
|
2035
|
|
|
2036 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2037 if (copy == NULL) {
|
|
|
2038 return NGX_CONF_ERROR;
|
|
|
2039 }
|
|
|
2040
|
|
|
2041 copy->code = ngx_http_script_copy_code;
|
|
|
2042 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
2043
|
|
|
2044 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2045 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
2046 *p++ = ':'; *p = ' ';
|
|
|
2047
|
|
|
2048
|
|
|
2049 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2050
|
|
|
2051 sc.cf = cf;
|
|
|
2052 sc.source = &src[i].value;
|
|
122
|
2053 sc.flushes = &conf->flushes;
|
|
58
|
2054 sc.lengths = &conf->headers_set_len;
|
|
|
2055 sc.values = &conf->headers_set;
|
|
|
2056
|
|
|
2057 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2058 return NGX_CONF_ERROR;
|
|
|
2059 }
|
|
|
2060
|
|
|
2061
|
|
|
2062 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2063 sizeof(ngx_http_script_copy_code_t));
|
|
|
2064 if (copy == NULL) {
|
|
|
2065 return NGX_CONF_ERROR;
|
|
|
2066 }
|
|
|
2067
|
|
|
2068 copy->code = (ngx_http_script_code_pt)
|
|
|
2069 ngx_http_script_copy_len_code;
|
|
|
2070 copy->len = sizeof(CRLF) - 1;
|
|
|
2071
|
|
|
2072
|
|
|
2073 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2074 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1)
|
|
|
2075 & ~(sizeof(uintptr_t) - 1);
|
|
|
2076
|
|
|
2077 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2078 if (copy == NULL) {
|
|
|
2079 return NGX_CONF_ERROR;
|
|
|
2080 }
|
|
|
2081
|
|
|
2082 copy->code = ngx_http_script_copy_code;
|
|
|
2083 copy->len = sizeof(CRLF) - 1;
|
|
|
2084
|
|
|
2085 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2086 *p++ = CR; *p = LF;
|
|
|
2087 }
|
|
|
2088
|
|
|
2089 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2090 if (code == NULL) {
|
|
|
2091 return NGX_CONF_ERROR;
|
|
|
2092 }
|
|
|
2093
|
|
|
2094 *code = (uintptr_t) NULL;
|
|
|
2095
|
|
|
2096 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t));
|
|
|
2097 if (code == NULL) {
|
|
|
2098 return NGX_CONF_ERROR;
|
|
|
2099 }
|
|
|
2100
|
|
|
2101 *code = (uintptr_t) NULL;
|
|
|
2102 }
|
|
|
2103
|
|
|
2104 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2105 if (code == NULL) {
|
|
|
2106 return NGX_CONF_ERROR;
|
|
|
2107 }
|
|
|
2108
|
|
|
2109 *code = (uintptr_t) NULL;
|
|
|
2110
|
|
|
2111
|
|
198
|
2112 hash.hash = &conf->headers_set_hash;
|
|
|
2113 hash.key = ngx_hash_key_lc;
|
|
298
|
2114 hash.max_size = conf->headers_hash_max_size;
|
|
|
2115 hash.bucket_size = conf->headers_hash_bucket_size;
|
|
|
2116 hash.name = "proxy_headers_hash";
|
|
198
|
2117 hash.pool = cf->pool;
|
|
|
2118 hash.temp_pool = NULL;
|
|
|
2119
|
|
|
2120 if (ngx_hash_init(&hash, conf->headers_names->elts,
|
|
|
2121 conf->headers_names->nelts)
|
|
|
2122 != NGX_OK)
|
|
|
2123 {
|
|
|
2124 return NGX_CONF_ERROR;
|
|
|
2125 }
|
|
|
2126
|
|
58
|
2127 return NGX_CONF_OK;
|
|
|
2128 }
|
|
|
2129
|
|
|
2130
|
|
|
2131 static char *
|
|
|
2132 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2133 {
|
|
|
2134 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2135
|
|
310
|
2136 u_char *p;
|
|
|
2137 size_t add;
|
|
|
2138 u_short port;
|
|
|
2139 ngx_str_t *value, *url;
|
|
|
2140 ngx_url_t u;
|
|
|
2141 ngx_http_core_loc_conf_t *clcf;
|
|
126
|
2142 #if (NGX_HTTP_SSL)
|
|
310
|
2143 ngx_pool_cleanup_t *cln;
|
|
126
|
2144 #endif
|
|
58
|
2145
|
|
104
|
2146 if (plcf->upstream.schema.len) {
|
|
|
2147 return "is duplicate";
|
|
|
2148 }
|
|
|
2149
|
|
58
|
2150 value = cf->args->elts;
|
|
|
2151
|
|
|
2152 url = &value[1];
|
|
|
2153
|
|
286
|
2154 if (ngx_strncasecmp(url->data, (u_char *) "http://", 7) == 0) {
|
|
126
|
2155 add = 7;
|
|
140
|
2156 port = 80;
|
|
126
|
2157
|
|
286
|
2158 } else if (ngx_strncasecmp(url->data, (u_char *) "https://", 8) == 0) {
|
|
126
|
2159
|
|
|
2160 #if (NGX_HTTP_SSL)
|
|
|
2161
|
|
|
2162 add = 8;
|
|
140
|
2163 port = 443;
|
|
126
|
2164
|
|
|
2165 plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t));
|
|
|
2166 if (plcf->upstream.ssl == NULL) {
|
|
|
2167 return NGX_CONF_ERROR;
|
|
|
2168 }
|
|
|
2169
|
|
|
2170 plcf->upstream.ssl->log = cf->log;
|
|
|
2171
|
|
|
2172 if (ngx_ssl_create(plcf->upstream.ssl,
|
|
272
|
2173 NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1, NULL)
|
|
126
|
2174 != NGX_OK)
|
|
|
2175 {
|
|
|
2176 return NGX_CONF_ERROR;
|
|
|
2177 }
|
|
|
2178
|
|
|
2179 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
2180 if (cln == NULL) {
|
|
|
2181 return NGX_CONF_ERROR;
|
|
|
2182 }
|
|
|
2183
|
|
|
2184 cln->handler = ngx_ssl_cleanup_ctx;
|
|
|
2185 cln->data = plcf->upstream.ssl;
|
|
|
2186
|
|
|
2187 #else
|
|
|
2188 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2189 "https protocol requires SSL support");
|
|
|
2190 return NGX_CONF_ERROR;
|
|
|
2191 #endif
|
|
|
2192
|
|
|
2193 } else {
|
|
58
|
2194 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix");
|
|
|
2195 return NGX_CONF_ERROR;
|
|
|
2196 }
|
|
|
2197
|
|
200
|
2198 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
|
2199
|
|
|
2200 u.url.len = url->len - add;
|
|
|
2201 u.url.data = url->data + add;
|
|
266
|
2202 u.default_port = port;
|
|
|
2203 u.uri_part = 1;
|
|
260
|
2204 u.no_resolve = 1;
|
|
|
2205
|
|
|
2206 plcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
|
|
|
2207 if (plcf->upstream.upstream == NULL) {
|
|
58
|
2208 return NGX_CONF_ERROR;
|
|
|
2209 }
|
|
|
2210
|
|
266
|
2211 if (!u.unix_socket) {
|
|
|
2212 if (u.no_port || u.port == port) {
|
|
|
2213 plcf->host_header = u.host;
|
|
|
2214
|
|
|
2215 if (port == 80) {
|
|
|
2216 plcf->port.len = sizeof("80") - 1;
|
|
|
2217 plcf->port.data = (u_char *) "80";
|
|
|
2218 } else {
|
|
|
2219 plcf->port.len = sizeof("443") - 1;
|
|
|
2220 plcf->port.data = (u_char *) "443";
|
|
|
2221 }
|
|
|
2222
|
|
|
2223 } else {
|
|
|
2224 p = ngx_palloc(cf->pool, u.host.len + sizeof(":65536") - 1);
|
|
|
2225 if (p == NULL) {
|
|
|
2226 return NGX_CONF_ERROR;
|
|
|
2227 }
|
|
|
2228
|
|
|
2229 plcf->host_header.len = ngx_sprintf(p, "%V:%d", &u.host, u.port)
|
|
|
2230 - p;
|
|
|
2231 plcf->host_header.data = p;
|
|
|
2232
|
|
|
2233 plcf->port.len = plcf->host_header.len - u.host.len - 1;
|
|
|
2234 plcf->port.data = p + u.host.len + 1;
|
|
|
2235 }
|
|
|
2236
|
|
|
2237
|
|
|
2238 } else {
|
|
|
2239 plcf->host_header.len = sizeof("localhost") - 1;
|
|
|
2240 plcf->host_header.data = (u_char *) "localhost";
|
|
|
2241 plcf->port.len = 0;
|
|
|
2242 plcf->port.data = (u_char *) "";
|
|
|
2243 }
|
|
|
2244
|
|
200
|
2245 plcf->upstream.uri = u.uri;
|
|
|
2246
|
|
140
|
2247 plcf->upstream.schema.len = add;
|
|
|
2248 plcf->upstream.schema.data = url->data;
|
|
58
|
2249
|
|
|
2250 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
2251
|
|
|
2252 clcf->handler = ngx_http_proxy_handler;
|
|
|
2253
|
|
122
|
2254 plcf->upstream.location = clcf->name;
|
|
104
|
2255
|
|
58
|
2256 #if (NGX_PCRE)
|
|
104
|
2257
|
|
178
|
2258 if (clcf->regex || clcf->noname) {
|
|
122
|
2259 if (plcf->upstream.uri.len) {
|
|
|
2260 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2261 "\"proxy_pass\" may not have URI part in "
|
|
256
|
2262 "location given by regular expression, "
|
|
|
2263 "or inside the \"if\" statement, "
|
|
|
2264 "or inside the \"limit_except\" block");
|
|
122
|
2265 return NGX_CONF_ERROR;
|
|
|
2266 }
|
|
|
2267
|
|
|
2268 plcf->upstream.location.len = 0;
|
|
104
|
2269 }
|
|
|
2270
|
|
58
|
2271 #endif
|
|
|
2272
|
|
|
2273 plcf->upstream.url = *url;
|
|
|
2274
|
|
|
2275 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
2276 clcf->auto_redirect = 1;
|
|
|
2277 }
|
|
|
2278
|
|
|
2279 return NGX_CONF_OK;
|
|
|
2280 }
|
|
|
2281
|
|
|
2282
|
|
|
2283 static char *
|
|
|
2284 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2285 {
|
|
|
2286 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2287
|
|
|
2288 ngx_str_t *value;
|
|
|
2289 ngx_array_t *vars_lengths, *vars_values;
|
|
|
2290 ngx_http_script_compile_t sc;
|
|
|
2291 ngx_http_proxy_redirect_t *pr;
|
|
|
2292
|
|
|
2293 if (plcf->redirect == 0) {
|
|
|
2294 return NGX_CONF_OK;
|
|
|
2295 }
|
|
|
2296
|
|
|
2297 value = cf->args->elts;
|
|
|
2298
|
|
|
2299 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2300 plcf->redirect = 0;
|
|
|
2301 plcf->redirects = NULL;
|
|
|
2302 return NGX_CONF_OK;
|
|
|
2303 }
|
|
|
2304
|
|
|
2305 if (plcf->redirects == NULL) {
|
|
|
2306 plcf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
2307 sizeof(ngx_http_proxy_redirect_t));
|
|
|
2308 if (plcf->redirects == NULL) {
|
|
|
2309 return NGX_CONF_ERROR;
|
|
|
2310 }
|
|
|
2311 }
|
|
|
2312
|
|
|
2313 pr = ngx_array_push(plcf->redirects);
|
|
|
2314 if (pr == NULL) {
|
|
|
2315 return NGX_CONF_ERROR;
|
|
|
2316 }
|
|
|
2317
|
|
|
2318 if (cf->args->nelts == 2 && ngx_strcmp(value[1].data, "default") == 0) {
|
|
|
2319 if (plcf->upstream.url.data == NULL) {
|
|
|
2320 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2321 "\"proxy_rewrite_location default\" must go "
|
|
|
2322 "after the \"proxy_pass\" directive");
|
|
|
2323 return NGX_CONF_ERROR;
|
|
|
2324 }
|
|
|
2325
|
|
|
2326 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2327 pr->redirect = plcf->upstream.url;
|
|
202
|
2328
|
|
|
2329 if (plcf->upstream.uri.len) {
|
|
|
2330 pr->replacement.text = plcf->upstream.location;
|
|
|
2331
|
|
|
2332 } else {
|
|
|
2333 pr->replacement.text.len = 0;
|
|
|
2334 pr->replacement.text.data = NULL;
|
|
|
2335 }
|
|
58
|
2336
|
|
|
2337 return NGX_CONF_OK;
|
|
|
2338 }
|
|
|
2339
|
|
|
2340 if (ngx_http_script_variables_count(&value[2]) == 0) {
|
|
|
2341 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2342 pr->redirect = value[1];
|
|
|
2343 pr->replacement.text = value[2];
|
|
|
2344
|
|
|
2345 return NGX_CONF_OK;
|
|
|
2346 }
|
|
|
2347
|
|
|
2348 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2349
|
|
|
2350 vars_lengths = NULL;
|
|
|
2351 vars_values = NULL;
|
|
|
2352
|
|
|
2353 sc.cf = cf;
|
|
|
2354 sc.source = &value[2];
|
|
|
2355 sc.lengths = &vars_lengths;
|
|
|
2356 sc.values = &vars_values;
|
|
|
2357 sc.complete_lengths = 1;
|
|
|
2358 sc.complete_values = 1;
|
|
|
2359
|
|
|
2360 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2361 return NGX_CONF_ERROR;
|
|
|
2362 }
|
|
|
2363
|
|
|
2364 pr->handler = ngx_http_proxy_rewrite_redirect_vars;
|
|
|
2365 pr->redirect = value[1];
|
|
|
2366 pr->replacement.vars.lengths = vars_lengths->elts;
|
|
|
2367 pr->replacement.vars.values = vars_values->elts;
|
|
|
2368
|
|
|
2369 return NGX_CONF_OK;
|
|
|
2370 }
|
|
|
2371
|
|
|
2372
|
|
|
2373 static char *
|
|
|
2374 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data)
|
|
|
2375 {
|
|
|
2376 #if (NGX_FREEBSD)
|
|
|
2377 ssize_t *np = data;
|
|
|
2378
|
|
222
|
2379 if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) {
|
|
58
|
2380 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2381 "\"proxy_send_lowat\" must be less than %d "
|
|
|
2382 "(sysctl net.inet.tcp.sendspace)",
|
|
|
2383 ngx_freebsd_net_inet_tcp_sendspace);
|
|
|
2384
|
|
|
2385 return NGX_CONF_ERROR;
|
|
|
2386 }
|
|
|
2387
|
|
|
2388 #elif !(NGX_HAVE_SO_SNDLOWAT)
|
|
|
2389 ssize_t *np = data;
|
|
|
2390
|
|
|
2391 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
2392 "\"proxy_send_lowat\" is not supported, ignored");
|
|
|
2393
|
|
|
2394 *np = 0;
|
|
|
2395
|
|
|
2396 #endif
|
|
|
2397
|
|
|
2398 return NGX_CONF_OK;
|
|
|
2399 }
|
|
260
|
2400
|
|
|
2401
|
|
|
2402 static char *
|
|
|
2403 ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf,
|
|
|
2404 ngx_command_t *cmd, void *conf)
|
|
|
2405 {
|
|
|
2406 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2407 "\"proxy_upstream_max_fails\" is not supported, "
|
|
|
2408 "use the \"max_fails\" parameter of the \"server\" directive ",
|
|
|
2409 "inside the \"upstream\" block");
|
|
|
2410
|
|
|
2411 return NGX_CONF_ERROR;
|
|
|
2412 }
|
|
|
2413
|
|
|
2414
|
|
|
2415 static char *
|
|
|
2416 ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
|
|
|
2417 ngx_command_t *cmd, void *conf)
|
|
|
2418 {
|
|
|
2419 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2420 "\"proxy_upstream_fail_timeout\" is not supported, "
|
|
|
2421 "use the \"fail_timeout\" parameter of the \"server\" directive ",
|
|
|
2422 "inside the \"upstream\" block");
|
|
|
2423
|
|
|
2424 return NGX_CONF_ERROR;
|
|
|
2425 }
|
