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1
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126
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2 /*
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58
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_event.h>
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10 #include <ngx_http.h>
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11
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12
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13 typedef struct ngx_http_proxy_redirect_s ngx_http_proxy_redirect_t;
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14
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15 typedef ngx_int_t (*ngx_http_proxy_redirect_pt)(ngx_http_request_t *r,
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16 ngx_table_elt_t *h, size_t prefix, ngx_http_proxy_redirect_t *pr);
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17
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18 struct ngx_http_proxy_redirect_s {
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200
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19 ngx_http_proxy_redirect_pt handler;
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20 ngx_str_t redirect;
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58
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21
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22 union {
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200
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23 ngx_str_t text;
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58
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24
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25 struct {
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200
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26 void *lengths;
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27 void *values;
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58
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28 } vars;
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29
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200
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30 void *regex;
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58
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31 } replacement;
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32 };
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33
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34
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35 typedef struct {
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200
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36 ngx_http_upstream_conf_t upstream;
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37
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38 ngx_http_upstream_srv_conf_t *upstream_peers;
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39
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40 ngx_array_t *flushes;
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41 ngx_array_t *body_set_len;
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42 ngx_array_t *body_set;
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43 ngx_array_t *headers_set_len;
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44 ngx_array_t *headers_set;
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45 ngx_hash_t headers_set_hash;
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46
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47 ngx_array_t *headers_source;
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48 ngx_array_t *headers_names;
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49
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50 ngx_array_t *redirects;
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51
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52 ngx_str_t body_source;
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53
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54 ngx_str_t method;
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55 ngx_str_t host_header;
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56 ngx_str_t port_text;
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57
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58 ngx_flag_t redirect;
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58
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59 } ngx_http_proxy_loc_conf_t;
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60
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61
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62 typedef struct {
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200
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63 ngx_uint_t status;
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64 ngx_uint_t status_count;
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65 u_char *status_start;
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66 u_char *status_end;
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67
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68 size_t internal_body_length;
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58
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69 } ngx_http_proxy_ctx_t;
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70
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71
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72 #define NGX_HTTP_PROXY_PARSE_NO_HEADER 20
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73
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74
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75 static ngx_int_t ngx_http_proxy_create_request(ngx_http_request_t *r);
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76 static ngx_int_t ngx_http_proxy_reinit_request(ngx_http_request_t *r);
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77 static ngx_int_t ngx_http_proxy_process_status_line(ngx_http_request_t *r);
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78 static ngx_int_t ngx_http_proxy_parse_status_line(ngx_http_request_t *r,
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79 ngx_http_proxy_ctx_t *p);
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80 static ngx_int_t ngx_http_proxy_process_header(ngx_http_request_t *r);
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81 static void ngx_http_proxy_abort_request(ngx_http_request_t *r);
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82 static void ngx_http_proxy_finalize_request(ngx_http_request_t *r,
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83 ngx_int_t rc);
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84
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122
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85 static ngx_int_t ngx_http_proxy_host_variable(ngx_http_request_t *r,
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86 ngx_http_variable_value_t *v, uintptr_t data);
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87 static ngx_int_t ngx_http_proxy_port_variable(ngx_http_request_t *r,
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88 ngx_http_variable_value_t *v, uintptr_t data);
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89 static ngx_int_t
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90 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
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122
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91 ngx_http_variable_value_t *v, uintptr_t data);
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126
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92 static ngx_int_t
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93 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
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94 ngx_http_variable_value_t *v, uintptr_t data);
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58
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95 static ngx_int_t ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r,
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96 ngx_table_elt_t *h, size_t prefix);
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97
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98 static ngx_int_t ngx_http_proxy_add_variables(ngx_conf_t *cf);
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99 static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf);
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100 static char *ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf,
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101 void *parent, void *child);
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102
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103 static char *ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd,
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104 void *conf);
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105 static char *ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd,
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106 void *conf);
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107
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108 static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data);
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109
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110
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111 static ngx_conf_post_t ngx_http_proxy_lowat_post =
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112 { ngx_http_proxy_lowat_check };
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113
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130
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114 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_header_buffer_size = {
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115 ngx_conf_deprecated, "proxy_header_buffer_size", "proxy_buffer_size"
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116 };
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117
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58
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118
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119 static ngx_conf_bitmask_t ngx_http_proxy_next_upstream_masks[] = {
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120 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
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121 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
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122 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
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123 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
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172
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124 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 },
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125 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
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126 { ngx_null_string, 0 }
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127 };
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128
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129
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130 static ngx_command_t ngx_http_proxy_commands[] = {
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131
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132 { ngx_string("proxy_pass"),
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178
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133 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1,
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134 ngx_http_proxy_pass,
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135 NGX_HTTP_LOC_CONF_OFFSET,
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136 0,
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137 NULL },
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138
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139 { ngx_string("proxy_redirect"),
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140 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
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141 ngx_http_proxy_redirect,
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142 NGX_HTTP_LOC_CONF_OFFSET,
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143 0,
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144 NULL },
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145
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130
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146 { ngx_string("proxy_buffering"),
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147 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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148 ngx_conf_set_flag_slot,
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149 NGX_HTTP_LOC_CONF_OFFSET,
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150 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffering),
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151 NULL },
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152
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178
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153 { ngx_string("proxy_ignore_client_abort"),
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154 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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155 ngx_conf_set_flag_slot,
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156 NGX_HTTP_LOC_CONF_OFFSET,
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157 offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_client_abort),
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158 NULL },
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159
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58
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160 { ngx_string("proxy_connect_timeout"),
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161 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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162 ngx_conf_set_msec_slot,
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163 NGX_HTTP_LOC_CONF_OFFSET,
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164 offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout),
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165 NULL },
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166
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167 { ngx_string("proxy_send_timeout"),
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168 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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169 ngx_conf_set_msec_slot,
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170 NGX_HTTP_LOC_CONF_OFFSET,
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171 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout),
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172 NULL },
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173
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174 { ngx_string("proxy_send_lowat"),
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175 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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176 ngx_conf_set_size_slot,
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177 NGX_HTTP_LOC_CONF_OFFSET,
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178 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat),
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179 &ngx_http_proxy_lowat_post },
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180
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181 { ngx_string("proxy_redirect_errors"),
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182 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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183 ngx_conf_set_flag_slot,
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184 NGX_HTTP_LOC_CONF_OFFSET,
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185 offsetof(ngx_http_proxy_loc_conf_t, upstream.redirect_errors),
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186 NULL },
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187
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188 { ngx_string("proxy_set_header"),
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189 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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198
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190 ngx_conf_set_keyval_slot,
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191 NGX_HTTP_LOC_CONF_OFFSET,
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192 offsetof(ngx_http_proxy_loc_conf_t, headers_source),
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193 NULL },
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194
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126
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195 { ngx_string("proxy_set_body"),
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196 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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197 ngx_conf_set_str_slot,
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198 NGX_HTTP_LOC_CONF_OFFSET,
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199 offsetof(ngx_http_proxy_loc_conf_t, body_source),
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200 NULL },
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201
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58
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202 { ngx_string("proxy_method"),
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203 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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110
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204 ngx_conf_set_str_slot,
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205 NGX_HTTP_LOC_CONF_OFFSET,
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110
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206 offsetof(ngx_http_proxy_loc_conf_t, method),
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207 NULL },
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208
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209 { ngx_string("proxy_pass_request_headers"),
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210 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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211 ngx_conf_set_flag_slot,
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212 NGX_HTTP_LOC_CONF_OFFSET,
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213 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers),
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214 NULL },
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215
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216 { ngx_string("proxy_pass_request_body"),
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217 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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218 ngx_conf_set_flag_slot,
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219 NGX_HTTP_LOC_CONF_OFFSET,
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220 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body),
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221 NULL },
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222
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130
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223 { ngx_string("proxy_buffer_size"),
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224 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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225 ngx_conf_set_size_slot,
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226 NGX_HTTP_LOC_CONF_OFFSET,
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227 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
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228 NULL },
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229
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58
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230 { ngx_string("proxy_header_buffer_size"),
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231 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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232 ngx_conf_set_size_slot,
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233 NGX_HTTP_LOC_CONF_OFFSET,
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130
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234 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
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235 &ngx_conf_deprecated_proxy_header_buffer_size },
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236
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237 { ngx_string("proxy_read_timeout"),
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238 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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239 ngx_conf_set_msec_slot,
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240 NGX_HTTP_LOC_CONF_OFFSET,
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241 offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout),
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242 NULL },
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243
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244 { ngx_string("proxy_buffers"),
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245 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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246 ngx_conf_set_bufs_slot,
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247 NGX_HTTP_LOC_CONF_OFFSET,
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248 offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs),
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249 NULL },
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250
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251 { ngx_string("proxy_busy_buffers_size"),
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252 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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253 ngx_conf_set_size_slot,
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254 NGX_HTTP_LOC_CONF_OFFSET,
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255 offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf),
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256 NULL },
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257
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258 { ngx_string("proxy_temp_path"),
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259 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
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260 ngx_conf_set_path_slot,
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261 NGX_HTTP_LOC_CONF_OFFSET,
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262 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path),
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263 (void *) ngx_garbage_collector_temp_handler },
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264
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265 { ngx_string("proxy_max_temp_file_size"),
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266 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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267 ngx_conf_set_size_slot,
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268 NGX_HTTP_LOC_CONF_OFFSET,
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269 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf),
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270 NULL },
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271
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272 { ngx_string("proxy_temp_file_write_size"),
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273 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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274 ngx_conf_set_size_slot,
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275 NGX_HTTP_LOC_CONF_OFFSET,
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78
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276 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_file_write_size_conf),
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277 NULL },
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278
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279 { ngx_string("proxy_next_upstream"),
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96
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280 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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58
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281 ngx_conf_set_bitmask_slot,
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282 NGX_HTTP_LOC_CONF_OFFSET,
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283 offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream),
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284 &ngx_http_proxy_next_upstream_masks },
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285
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110
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286 { ngx_string("proxy_upstream_max_fails"),
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287 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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288 ngx_conf_set_num_slot,
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289 NGX_HTTP_LOC_CONF_OFFSET,
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290 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_fails),
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291 NULL },
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292
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293 { ngx_string("proxy_upstream_fail_timeout"),
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294 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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295 ngx_conf_set_sec_slot,
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296 NGX_HTTP_LOC_CONF_OFFSET,
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297 offsetof(ngx_http_proxy_loc_conf_t, upstream.fail_timeout),
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298 NULL },
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299
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198
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300 { ngx_string("proxy_pass_header"),
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58
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301 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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198
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302 ngx_conf_set_str_array_slot,
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58
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303 NGX_HTTP_LOC_CONF_OFFSET,
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198
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304 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_headers),
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58
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305 NULL },
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306
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198
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307 { ngx_string("proxy_hide_header"),
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58
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308 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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198
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309 ngx_conf_set_str_array_slot,
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58
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310 NGX_HTTP_LOC_CONF_OFFSET,
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198
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311 offsetof(ngx_http_proxy_loc_conf_t, upstream.hide_headers),
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58
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312 NULL },
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313
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314 ngx_null_command
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315 };
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316
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317
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318 ngx_http_module_t ngx_http_proxy_module_ctx = {
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319 ngx_http_proxy_add_variables, /* preconfiguration */
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320 NULL, /* postconfiguration */
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321
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322 NULL, /* create main configuration */
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323 NULL, /* init main configuration */
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324
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325 NULL, /* create server configuration */
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326 NULL, /* merge server configuration */
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327
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328 ngx_http_proxy_create_loc_conf, /* create location configration */
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329 ngx_http_proxy_merge_loc_conf /* merge location configration */
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330 };
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331
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332
|
|
|
333 ngx_module_t ngx_http_proxy_module = {
|
|
|
334 NGX_MODULE_V1,
|
|
|
335 &ngx_http_proxy_module_ctx, /* module context */
|
|
|
336 ngx_http_proxy_commands, /* module directives */
|
|
|
337 NGX_HTTP_MODULE, /* module type */
|
|
90
|
338 NULL, /* init master */
|
|
58
|
339 NULL, /* init module */
|
|
90
|
340 NULL, /* init process */
|
|
|
341 NULL, /* init thread */
|
|
|
342 NULL, /* exit thread */
|
|
|
343 NULL, /* exit process */
|
|
|
344 NULL, /* exit master */
|
|
|
345 NGX_MODULE_V1_PADDING
|
|
58
|
346 };
|
|
|
347
|
|
|
348
|
|
|
349 static char ngx_http_proxy_version[] = " HTTP/1.0" CRLF;
|
|
|
350
|
|
|
351
|
|
198
|
352 static ngx_keyval_t ngx_http_proxy_headers[] = {
|
|
|
353 { ngx_string("Host"), ngx_string("$proxy_host") },
|
|
|
354 { ngx_string("Connection"), ngx_string("close") },
|
|
|
355 { ngx_string("Keep-Alive"), ngx_string("") },
|
|
|
356 { ngx_null_string, ngx_null_string }
|
|
|
357 };
|
|
|
358
|
|
|
359
|
|
|
360 static ngx_str_t ngx_http_proxy_hide_headers[] = {
|
|
|
361 ngx_string("Date"),
|
|
|
362 ngx_string("Server"),
|
|
|
363 ngx_string("X-Pad"),
|
|
|
364 ngx_string("X-Accel-Expires"),
|
|
|
365 ngx_string("X-Accel-Redirect"),
|
|
|
366 ngx_string("X-Accel-Limit-Rate"),
|
|
|
367 ngx_string("X-Accel-Buffer"),
|
|
|
368 ngx_null_string
|
|
58
|
369 };
|
|
|
370
|
|
|
371
|
|
|
372 static ngx_http_variable_t ngx_http_proxy_vars[] = {
|
|
|
373
|
|
186
|
374 { ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0,
|
|
132
|
375 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
376
|
|
186
|
377 { ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0,
|
|
132
|
378 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
379
|
|
186
|
380 { ngx_string("proxy_add_x_forwarded_for"), NULL,
|
|
132
|
381 ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
382
|
|
|
383 #if 0
|
|
186
|
384 { ngx_string("proxy_add_via"), NULL, NULL, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
385 #endif
|
|
|
386
|
|
186
|
387 { ngx_string("proxy_internal_body_length"), NULL,
|
|
132
|
388 ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
126
|
389
|
|
186
|
390 { ngx_null_string, NULL, NULL, 0, 0, 0 }
|
|
58
|
391 };
|
|
|
392
|
|
|
393
|
|
|
394 static ngx_int_t
|
|
|
395 ngx_http_proxy_handler(ngx_http_request_t *r)
|
|
126
|
396 {
|
|
58
|
397 ngx_int_t rc;
|
|
|
398 ngx_http_upstream_t *u;
|
|
|
399 ngx_http_proxy_loc_conf_t *plcf;
|
|
126
|
400
|
|
58
|
401 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
126
|
402
|
|
58
|
403 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t));
|
|
|
404 if (u == NULL) {
|
|
|
405 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
406 }
|
|
126
|
407
|
|
58
|
408 u->peer.log = r->connection->log;
|
|
|
409 u->peer.log_error = NGX_ERROR_ERR;
|
|
200
|
410 u->peer.peers = plcf->upstream_peers->peers;
|
|
|
411 u->peer.tries = plcf->upstream_peers->peers->number;
|
|
58
|
412 #if (NGX_THREADS)
|
|
|
413 u->peer.lock = &r->connection->lock;
|
|
|
414 #endif
|
|
|
415
|
|
|
416 u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module;
|
|
|
417
|
|
|
418 u->conf = &plcf->upstream;
|
|
|
419
|
|
|
420 u->create_request = ngx_http_proxy_create_request;
|
|
|
421 u->reinit_request = ngx_http_proxy_reinit_request;
|
|
|
422 u->process_header = ngx_http_proxy_process_status_line;
|
|
|
423 u->abort_request = ngx_http_proxy_abort_request;
|
|
|
424 u->finalize_request = ngx_http_proxy_finalize_request;
|
|
|
425
|
|
|
426 if (plcf->redirects) {
|
|
|
427 u->rewrite_redirect = ngx_http_proxy_rewrite_redirect;
|
|
|
428 }
|
|
|
429
|
|
198
|
430 u->buffering = plcf->upstream.buffering;
|
|
|
431
|
|
|
432 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
|
|
|
433 if (u->pipe == NULL) {
|
|
|
434 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
130
|
435 }
|
|
58
|
436
|
|
198
|
437 u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
|
|
|
438
|
|
58
|
439 u->accel = 1;
|
|
126
|
440
|
|
58
|
441 r->upstream = u;
|
|
|
442
|
|
|
443 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
|
444
|
|
|
445 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
|
446 return rc;
|
|
|
447 }
|
|
|
448
|
|
|
449 return NGX_DONE;
|
|
|
450 }
|
|
|
451
|
|
|
452
|
|
|
453 static ngx_int_t
|
|
|
454 ngx_http_proxy_create_request(ngx_http_request_t *r)
|
|
|
455 {
|
|
126
|
456 size_t len, loc_len, body_len;
|
|
58
|
457 uintptr_t escape;
|
|
|
458 ngx_buf_t *b;
|
|
198
|
459 ngx_str_t method;
|
|
|
460 ngx_uint_t i, unparsed_uri;
|
|
58
|
461 ngx_chain_t *cl, *body;
|
|
|
462 ngx_list_part_t *part;
|
|
|
463 ngx_table_elt_t *header;
|
|
|
464 ngx_http_upstream_t *u;
|
|
126
|
465 ngx_http_proxy_ctx_t *p;
|
|
58
|
466 ngx_http_script_code_pt code;
|
|
|
467 ngx_http_script_engine_t e, le;
|
|
|
468 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
469 ngx_http_script_len_code_pt lcode;
|
|
|
470
|
|
|
471 u = r->upstream;
|
|
|
472
|
|
|
473 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
474
|
|
126
|
475 p = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t));
|
|
|
476 if (p == NULL) {
|
|
|
477 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
478 }
|
|
|
479
|
|
|
480 ngx_http_set_ctx(r, p, ngx_http_proxy_module);
|
|
|
481
|
|
58
|
482 len = sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1;
|
|
|
483
|
|
110
|
484 if (u->method.len) {
|
|
|
485 /* HEAD was changed to GET to cache response */
|
|
|
486 method = u->method;
|
|
|
487 method.len++;
|
|
|
488
|
|
|
489 } else if (plcf->method.len) {
|
|
|
490 method = plcf->method;
|
|
|
491
|
|
58
|
492 } else {
|
|
110
|
493 method = r->method_name;
|
|
|
494 method.len++;
|
|
58
|
495 }
|
|
|
496
|
|
110
|
497 len += method.len + u->conf->uri.len;
|
|
|
498
|
|
58
|
499 escape = 0;
|
|
|
500
|
|
176
|
501 loc_len = (r->valid_location && u->conf->uri.len) ? u->conf->location.len:
|
|
|
502 0;
|
|
58
|
503
|
|
158
|
504 if (u->conf->uri.len == 0 && r->valid_unparsed_uri && r == r->main) {
|
|
|
505 unparsed_uri = 1;
|
|
88
|
506 len += r->unparsed_uri.len;
|
|
58
|
507
|
|
|
508 } else {
|
|
158
|
509 unparsed_uri = 0;
|
|
58
|
510 if (r->quoted_uri) {
|
|
|
511 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
|
|
|
512 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
513 }
|
|
|
514
|
|
|
515 len += r->uri.len - loc_len + escape + sizeof("?") - 1 + r->args.len;
|
|
|
516 }
|
|
|
517
|
|
122
|
518 ngx_http_script_flush_no_cachable_variables(r, plcf->flushes);
|
|
|
519
|
|
126
|
520 if (plcf->body_set_len) {
|
|
|
521 le.ip = plcf->body_set_len->elts;
|
|
|
522 le.request = r;
|
|
|
523 le.flushed = 1;
|
|
|
524 body_len = 0;
|
|
|
525
|
|
|
526 while (*(uintptr_t *) le.ip) {
|
|
|
527 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
528 body_len += lcode(&le);
|
|
|
529 }
|
|
|
530
|
|
|
531 p->internal_body_length = body_len;
|
|
|
532 len += body_len;
|
|
|
533 }
|
|
|
534
|
|
58
|
535 le.ip = plcf->headers_set_len->elts;
|
|
|
536 le.request = r;
|
|
122
|
537 le.flushed = 1;
|
|
58
|
538
|
|
|
539 while (*(uintptr_t *) le.ip) {
|
|
|
540 while (*(uintptr_t *) le.ip) {
|
|
|
541 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
542 len += lcode(&le);
|
|
|
543 }
|
|
|
544 le.ip += sizeof(uintptr_t);
|
|
|
545 }
|
|
|
546
|
|
|
547
|
|
|
548 if (plcf->upstream.pass_request_headers) {
|
|
|
549 part = &r->headers_in.headers.part;
|
|
|
550 header = part->elts;
|
|
|
551
|
|
|
552 for (i = 0; /* void */; i++) {
|
|
|
553
|
|
|
554 if (i >= part->nelts) {
|
|
|
555 if (part->next == NULL) {
|
|
|
556 break;
|
|
|
557 }
|
|
|
558
|
|
|
559 part = part->next;
|
|
|
560 header = part->elts;
|
|
126
|
561 i = 0;
|
|
58
|
562 }
|
|
|
563
|
|
198
|
564 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
565 header[i].lowcase_key, header[i].key.len))
|
|
58
|
566 {
|
|
|
567 continue;
|
|
|
568 }
|
|
|
569
|
|
|
570 len += header[i].key.len + sizeof(": ") - 1
|
|
|
571 + header[i].value.len + sizeof(CRLF) - 1;
|
|
|
572 }
|
|
|
573 }
|
|
|
574
|
|
|
575
|
|
|
576 b = ngx_create_temp_buf(r->pool, len);
|
|
|
577 if (b == NULL) {
|
|
|
578 return NGX_ERROR;
|
|
|
579 }
|
|
|
580
|
|
|
581 cl = ngx_alloc_chain_link(r->pool);
|
|
|
582 if (cl == NULL) {
|
|
|
583 return NGX_ERROR;
|
|
|
584 }
|
|
|
585
|
|
|
586 cl->buf = b;
|
|
|
587
|
|
|
588
|
|
|
589 /* the request line */
|
|
|
590
|
|
122
|
591 b->last = ngx_copy(b->last, method.data, method.len);
|
|
58
|
592
|
|
104
|
593 u->uri.data = b->last;
|
|
|
594
|
|
158
|
595 if (unparsed_uri) {
|
|
122
|
596 b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len);
|
|
|
597
|
|
58
|
598 } else {
|
|
104
|
599 if (r->valid_location) {
|
|
122
|
600 b->last = ngx_copy(b->last, u->conf->uri.data, u->conf->uri.len);
|
|
104
|
601 }
|
|
100
|
602
|
|
58
|
603 if (escape) {
|
|
|
604 ngx_escape_uri(b->last, r->uri.data + loc_len,
|
|
|
605 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
606 b->last += r->uri.len - loc_len + escape;
|
|
|
607
|
|
126
|
608 } else {
|
|
122
|
609 b->last = ngx_copy(b->last, r->uri.data + loc_len,
|
|
|
610 r->uri.len - loc_len);
|
|
58
|
611 }
|
|
|
612
|
|
|
613 if (r->args.len > 0) {
|
|
|
614 *b->last++ = '?';
|
|
122
|
615 b->last = ngx_copy(b->last, r->args.data, r->args.len);
|
|
58
|
616 }
|
|
|
617 }
|
|
|
618
|
|
104
|
619 u->uri.len = b->last - u->uri.data;
|
|
|
620
|
|
58
|
621 b->last = ngx_cpymem(b->last, ngx_http_proxy_version,
|
|
|
622 sizeof(ngx_http_proxy_version) - 1);
|
|
|
623
|
|
126
|
624 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
58
|
625
|
|
|
626 e.ip = plcf->headers_set->elts;
|
|
|
627 e.pos = b->last;
|
|
|
628 e.request = r;
|
|
122
|
629 e.flushed = 1;
|
|
58
|
630
|
|
|
631 le.ip = plcf->headers_set_len->elts;
|
|
|
632
|
|
|
633 while (*(uintptr_t *) le.ip) {
|
|
|
634 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
64
|
635
|
|
|
636 /* skip the header line name length */
|
|
|
637 (void) lcode(&le);
|
|
58
|
638
|
|
|
639 if (*(ngx_http_script_len_code_pt *) le.ip) {
|
|
|
640
|
|
|
641 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) {
|
|
|
642 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
643 }
|
|
|
644
|
|
|
645 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0;
|
|
|
646
|
|
|
647 } else {
|
|
|
648 e.skip = 0;
|
|
|
649 }
|
|
|
650
|
|
|
651 le.ip += sizeof(uintptr_t);
|
|
|
652
|
|
|
653 while (*(uintptr_t *) e.ip) {
|
|
|
654 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
655 code((ngx_http_script_engine_t *) &e);
|
|
126
|
656 }
|
|
58
|
657 e.ip += sizeof(uintptr_t);
|
|
|
658 }
|
|
|
659
|
|
|
660 b->last = e.pos;
|
|
|
661
|
|
|
662
|
|
|
663 if (plcf->upstream.pass_request_headers) {
|
|
|
664 part = &r->headers_in.headers.part;
|
|
|
665 header = part->elts;
|
|
126
|
666
|
|
58
|
667 for (i = 0; /* void */; i++) {
|
|
|
668
|
|
|
669 if (i >= part->nelts) {
|
|
|
670 if (part->next == NULL) {
|
|
|
671 break;
|
|
|
672 }
|
|
|
673
|
|
|
674 part = part->next;
|
|
|
675 header = part->elts;
|
|
126
|
676 i = 0;
|
|
58
|
677 }
|
|
|
678
|
|
198
|
679 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
680 header[i].lowcase_key, header[i].key.len))
|
|
58
|
681 {
|
|
|
682 continue;
|
|
|
683 }
|
|
|
684
|
|
122
|
685 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len);
|
|
58
|
686
|
|
|
687 *b->last++ = ':'; *b->last++ = ' ';
|
|
|
688
|
|
122
|
689 b->last = ngx_copy(b->last, header[i].value.data,
|
|
|
690 header[i].value.len);
|
|
58
|
691
|
|
|
692 *b->last++ = CR; *b->last++ = LF;
|
|
|
693
|
|
|
694 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
695 "http proxy header: \"%V: %V\"",
|
|
|
696 &header[i].key, &header[i].value);
|
|
|
697 }
|
|
|
698 }
|
|
|
699
|
|
126
|
700
|
|
58
|
701 /* add "\r\n" at the header end */
|
|
|
702 *b->last++ = CR; *b->last++ = LF;
|
|
|
703
|
|
126
|
704 if (plcf->body_set) {
|
|
|
705 e.ip = plcf->body_set->elts;
|
|
|
706 e.pos = b->last;
|
|
|
707
|
|
|
708 while (*(uintptr_t *) e.ip) {
|
|
|
709 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
710 code((ngx_http_script_engine_t *) &e);
|
|
|
711 }
|
|
128
|
712
|
|
|
713 b->last = e.pos;
|
|
126
|
714 }
|
|
|
715
|
|
58
|
716 #if (NGX_DEBUG)
|
|
|
717 {
|
|
|
718 ngx_str_t s;
|
|
|
719
|
|
|
720 s.len = b->last - b->pos;
|
|
|
721 s.data = b->pos;
|
|
|
722 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
723 "http proxy header:\n\"%V\"", &s);
|
|
|
724 }
|
|
|
725 #endif
|
|
|
726
|
|
126
|
727 if (plcf->body_set == NULL && plcf->upstream.pass_request_body) {
|
|
58
|
728
|
|
|
729 body = u->request_bufs;
|
|
|
730 u->request_bufs = cl;
|
|
|
731
|
|
|
732 while (body) {
|
|
|
733 b = ngx_alloc_buf(r->pool);
|
|
|
734 if (b == NULL) {
|
|
|
735 return NGX_ERROR;
|
|
|
736 }
|
|
|
737
|
|
|
738 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
739
|
|
|
740 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
741 if (cl->next == NULL) {
|
|
|
742 return NGX_ERROR;
|
|
|
743 }
|
|
|
744
|
|
|
745 cl = cl->next;
|
|
|
746 cl->buf = b;
|
|
|
747
|
|
|
748 body = body->next;
|
|
|
749 }
|
|
|
750
|
|
160
|
751 b->flush = 1;
|
|
|
752
|
|
58
|
753 } else {
|
|
|
754 u->request_bufs = cl;
|
|
|
755 }
|
|
|
756
|
|
|
757 cl->next = NULL;
|
|
|
758
|
|
|
759 return NGX_OK;
|
|
|
760 }
|
|
|
761
|
|
|
762
|
|
|
763 static ngx_int_t
|
|
|
764 ngx_http_proxy_reinit_request(ngx_http_request_t *r)
|
|
|
765 {
|
|
|
766 ngx_http_proxy_ctx_t *p;
|
|
|
767
|
|
|
768 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
769
|
|
|
770 if (p == NULL) {
|
|
|
771 return NGX_OK;
|
|
|
772 }
|
|
|
773
|
|
|
774 p->status = 0;
|
|
|
775 p->status_count = 0;
|
|
|
776 p->status_start = NULL;
|
|
|
777 p->status_end = NULL;
|
|
|
778
|
|
|
779 r->upstream->process_header = ngx_http_proxy_process_status_line;
|
|
|
780
|
|
|
781 return NGX_OK;
|
|
|
782 }
|
|
|
783
|
|
|
784
|
|
|
785 static ngx_int_t
|
|
|
786 ngx_http_proxy_process_status_line(ngx_http_request_t *r)
|
|
|
787 {
|
|
|
788 ngx_int_t rc;
|
|
|
789 ngx_http_upstream_t *u;
|
|
|
790 ngx_http_proxy_ctx_t *p;
|
|
|
791
|
|
|
792 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
793
|
|
|
794 if (p == NULL) {
|
|
126
|
795 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
58
|
796 }
|
|
|
797
|
|
|
798 rc = ngx_http_proxy_parse_status_line(r, p);
|
|
|
799
|
|
|
800 if (rc == NGX_AGAIN) {
|
|
|
801 return rc;
|
|
|
802 }
|
|
|
803
|
|
|
804 u = r->upstream;
|
|
|
805
|
|
|
806 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) {
|
|
|
807 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
126
|
808 "upstream sent no valid HTTP/1.0 header");
|
|
58
|
809
|
|
168
|
810 #if 0
|
|
58
|
811 if (u->accel) {
|
|
|
812 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
813 }
|
|
168
|
814 #endif
|
|
58
|
815
|
|
|
816 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
817 p->status = NGX_HTTP_OK;
|
|
126
|
818
|
|
58
|
819 return NGX_OK;
|
|
|
820 }
|
|
|
821
|
|
78
|
822 u->headers_in.status_n = p->status;
|
|
58
|
823 u->state->status = p->status;
|
|
|
824
|
|
78
|
825 u->headers_in.status_line.len = p->status_end - p->status_start;
|
|
|
826 u->headers_in.status_line.data = ngx_palloc(r->pool,
|
|
|
827 u->headers_in.status_line.len);
|
|
|
828 if (u->headers_in.status_line.data == NULL) {
|
|
58
|
829 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
830 }
|
|
122
|
831
|
|
78
|
832 ngx_memcpy(u->headers_in.status_line.data, p->status_start,
|
|
|
833 u->headers_in.status_line.len);
|
|
58
|
834
|
|
|
835 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
836 "http proxy status %ui \"%V\"",
|
|
78
|
837 u->headers_in.status, &u->headers_in.status_line);
|
|
58
|
838
|
|
|
839 u->process_header = ngx_http_proxy_process_header;
|
|
|
840
|
|
|
841 return ngx_http_proxy_process_header(r);
|
|
|
842 }
|
|
|
843
|
|
|
844
|
|
|
845 static ngx_int_t
|
|
|
846 ngx_http_proxy_parse_status_line(ngx_http_request_t *r, ngx_http_proxy_ctx_t *p)
|
|
|
847 {
|
|
|
848 u_char ch;
|
|
|
849 u_char *pos;
|
|
|
850 ngx_http_upstream_t *u;
|
|
|
851 enum {
|
|
|
852 sw_start = 0,
|
|
|
853 sw_H,
|
|
|
854 sw_HT,
|
|
|
855 sw_HTT,
|
|
|
856 sw_HTTP,
|
|
|
857 sw_first_major_digit,
|
|
|
858 sw_major_digit,
|
|
|
859 sw_first_minor_digit,
|
|
|
860 sw_minor_digit,
|
|
|
861 sw_status,
|
|
|
862 sw_space_after_status,
|
|
|
863 sw_status_text,
|
|
|
864 sw_almost_done
|
|
126
|
865 } state;
|
|
58
|
866
|
|
|
867 u = r->upstream;
|
|
|
868
|
|
|
869 state = r->state;
|
|
|
870
|
|
130
|
871 for (pos = u->buffer.pos; pos < u->buffer.last; pos++) {
|
|
58
|
872 ch = *pos;
|
|
|
873
|
|
|
874 switch (state) {
|
|
|
875
|
|
|
876 /* "HTTP/" */
|
|
|
877 case sw_start:
|
|
|
878 switch (ch) {
|
|
126
|
879 case 'H':
|
|
58
|
880 state = sw_H;
|
|
|
881 break;
|
|
|
882 default:
|
|
|
883 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
884 }
|
|
|
885 break;
|
|
|
886
|
|
126
|
887 case sw_H:
|
|
58
|
888 switch (ch) {
|
|
126
|
889 case 'T':
|
|
58
|
890 state = sw_HT;
|
|
|
891 break;
|
|
|
892 default:
|
|
|
893 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
894 }
|
|
|
895 break;
|
|
|
896
|
|
|
897 case sw_HT:
|
|
|
898 switch (ch) {
|
|
126
|
899 case 'T':
|
|
58
|
900 state = sw_HTT;
|
|
|
901 break;
|
|
|
902 default:
|
|
|
903 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
904 }
|
|
|
905 break;
|
|
|
906
|
|
|
907 case sw_HTT:
|
|
|
908 switch (ch) {
|
|
126
|
909 case 'P':
|
|
58
|
910 state = sw_HTTP;
|
|
|
911 break;
|
|
|
912 default:
|
|
|
913 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
914 }
|
|
|
915 break;
|
|
|
916
|
|
|
917 case sw_HTTP:
|
|
|
918 switch (ch) {
|
|
126
|
919 case '/':
|
|
58
|
920 state = sw_first_major_digit;
|
|
|
921 break;
|
|
|
922 default:
|
|
|
923 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
924 }
|
|
|
925 break;
|
|
|
926
|
|
|
927 /* the first digit of major HTTP version */
|
|
|
928 case sw_first_major_digit:
|
|
|
929 if (ch < '1' || ch > '9') {
|
|
|
930 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
931 }
|
|
|
932
|
|
|
933 state = sw_major_digit;
|
|
|
934 break;
|
|
|
935
|
|
|
936 /* the major HTTP version or dot */
|
|
|
937 case sw_major_digit:
|
|
|
938 if (ch == '.') {
|
|
|
939 state = sw_first_minor_digit;
|
|
|
940 break;
|
|
|
941 }
|
|
|
942
|
|
|
943 if (ch < '0' || ch > '9') {
|
|
|
944 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
945 }
|
|
|
946
|
|
|
947 break;
|
|
|
948
|
|
|
949 /* the first digit of minor HTTP version */
|
|
|
950 case sw_first_minor_digit:
|
|
|
951 if (ch < '0' || ch > '9') {
|
|
|
952 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
953 }
|
|
|
954
|
|
|
955 state = sw_minor_digit;
|
|
|
956 break;
|
|
|
957
|
|
|
958 /* the minor HTTP version or the end of the request line */
|
|
|
959 case sw_minor_digit:
|
|
|
960 if (ch == ' ') {
|
|
|
961 state = sw_status;
|
|
|
962 break;
|
|
|
963 }
|
|
|
964
|
|
|
965 if (ch < '0' || ch > '9') {
|
|
|
966 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
967 }
|
|
|
968
|
|
|
969 break;
|
|
|
970
|
|
|
971 /* HTTP status code */
|
|
|
972 case sw_status:
|
|
168
|
973 if (ch == ' ') {
|
|
|
974 break;
|
|
|
975 }
|
|
|
976
|
|
58
|
977 if (ch < '0' || ch > '9') {
|
|
|
978 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
979 }
|
|
|
980
|
|
|
981 p->status = p->status * 10 + ch - '0';
|
|
|
982
|
|
|
983 if (++p->status_count == 3) {
|
|
|
984 state = sw_space_after_status;
|
|
|
985 p->status_start = pos - 2;
|
|
|
986 }
|
|
|
987
|
|
|
988 break;
|
|
|
989
|
|
|
990 /* space or end of line */
|
|
|
991 case sw_space_after_status:
|
|
|
992 switch (ch) {
|
|
126
|
993 case ' ':
|
|
58
|
994 state = sw_status_text;
|
|
|
995 break;
|
|
|
996 case '.': /* IIS may send 403.1, 403.2, etc */
|
|
|
997 state = sw_status_text;
|
|
|
998 break;
|
|
|
999 case CR:
|
|
|
1000 state = sw_almost_done;
|
|
|
1001 break;
|
|
|
1002 case LF:
|
|
|
1003 goto done;
|
|
|
1004 default:
|
|
|
1005 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1006 }
|
|
|
1007 break;
|
|
|
1008
|
|
|
1009 /* any text until end of line */
|
|
|
1010 case sw_status_text:
|
|
|
1011 switch (ch) {
|
|
|
1012 case CR:
|
|
|
1013 state = sw_almost_done;
|
|
|
1014
|
|
|
1015 break;
|
|
|
1016 case LF:
|
|
|
1017 goto done;
|
|
|
1018 }
|
|
|
1019 break;
|
|
|
1020
|
|
76
|
1021 /* end of status line */
|
|
58
|
1022 case sw_almost_done:
|
|
|
1023 p->status_end = pos - 1;
|
|
|
1024 switch (ch) {
|
|
|
1025 case LF:
|
|
|
1026 goto done;
|
|
|
1027 default:
|
|
|
1028 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1029 }
|
|
|
1030 }
|
|
|
1031 }
|
|
|
1032
|
|
130
|
1033 u->buffer.pos = pos;
|
|
58
|
1034 r->state = state;
|
|
|
1035
|
|
|
1036 return NGX_AGAIN;
|
|
|
1037
|
|
|
1038 done:
|
|
|
1039
|
|
130
|
1040 u->buffer.pos = pos + 1;
|
|
58
|
1041
|
|
|
1042 if (p->status_end == NULL) {
|
|
|
1043 p->status_end = pos;
|
|
|
1044 }
|
|
|
1045
|
|
|
1046 r->state = sw_start;
|
|
|
1047
|
|
|
1048 return NGX_OK;
|
|
|
1049 }
|
|
|
1050
|
|
|
1051
|
|
|
1052 static ngx_int_t
|
|
|
1053 ngx_http_proxy_process_header(ngx_http_request_t *r)
|
|
|
1054 {
|
|
|
1055 ngx_int_t rc;
|
|
198
|
1056 ngx_uint_t i;
|
|
58
|
1057 ngx_table_elt_t *h;
|
|
|
1058 ngx_http_upstream_header_t *hh;
|
|
|
1059 ngx_http_upstream_main_conf_t *umcf;
|
|
|
1060
|
|
|
1061 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
1062
|
|
|
1063 for ( ;; ) {
|
|
|
1064
|
|
130
|
1065 rc = ngx_http_parse_header_line(r, &r->upstream->buffer);
|
|
58
|
1066
|
|
|
1067 if (rc == NGX_OK) {
|
|
|
1068
|
|
|
1069 /* a header line has been parsed successfully */
|
|
|
1070
|
|
|
1071 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1072 if (h == NULL) {
|
|
|
1073 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1074 }
|
|
|
1075
|
|
|
1076 h->hash = r->header_hash;
|
|
|
1077
|
|
|
1078 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
1079 h->value.len = r->header_end - r->header_start;
|
|
|
1080
|
|
|
1081 h->key.data = ngx_palloc(r->pool,
|
|
198
|
1082 h->key.len + 1 + h->value.len + 1 + h->key.len);
|
|
58
|
1083 if (h->key.data == NULL) {
|
|
|
1084 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1085 }
|
|
|
1086
|
|
|
1087 h->value.data = h->key.data + h->key.len + 1;
|
|
198
|
1088 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1;
|
|
58
|
1089
|
|
|
1090 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
|
1091 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
|
1092
|
|
198
|
1093 if (h->key.len == r->lowcase_index) {
|
|
|
1094 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
1095
|
|
|
1096 } else {
|
|
|
1097 for (i = 0; i < h->key.len; i++) {
|
|
|
1098 h->lowcase_key[i] = ngx_tolower(h->lowcase_key[i]);
|
|
58
|
1099 }
|
|
|
1100 }
|
|
|
1101
|
|
198
|
1102 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash,
|
|
|
1103 h->lowcase_key, h->key.len);
|
|
|
1104
|
|
|
1105 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
|
1106 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1107 }
|
|
|
1108
|
|
58
|
1109 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1110 "http proxy header: \"%V: %V\"",
|
|
|
1111 &h->key, &h->value);
|
|
|
1112
|
|
|
1113 continue;
|
|
|
1114 }
|
|
|
1115
|
|
|
1116 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
|
1117
|
|
|
1118 /* a whole header has been parsed successfully */
|
|
|
1119
|
|
|
1120 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1121 "http proxy header done");
|
|
|
1122
|
|
198
|
1123 /*
|
|
|
1124 * if no "Server" and "Date" in header line,
|
|
|
1125 * then add the special empty headers
|
|
|
1126 */
|
|
|
1127
|
|
|
1128 if (r->upstream->headers_in.server == NULL) {
|
|
|
1129 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1130 if (h == NULL) {
|
|
|
1131 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1132 }
|
|
|
1133
|
|
|
1134 h->hash = ngx_hash(ngx_hash(ngx_hash(ngx_hash(
|
|
|
1135 ngx_hash('s', 'e'), 'r'), 'v'), 'e'), 'r');
|
|
|
1136
|
|
|
1137 h->key.len = sizeof("Server") - 1;
|
|
|
1138 h->key.data = (u_char *) "Server";
|
|
|
1139 h->value.len = 0;
|
|
|
1140 h->value.data = NULL;
|
|
|
1141 h->lowcase_key = (u_char *) "server";
|
|
|
1142 }
|
|
|
1143
|
|
|
1144 if (r->upstream->headers_in.date == NULL) {
|
|
|
1145 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1146 if (h == NULL) {
|
|
|
1147 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1148 }
|
|
|
1149
|
|
|
1150 h->hash = ngx_hash(ngx_hash(ngx_hash('d', 'a'), 't'), 'e');
|
|
|
1151
|
|
|
1152 h->key.len = sizeof("Date") - 1;
|
|
|
1153 h->key.data = (u_char *) "Date";
|
|
|
1154 h->value.len = 0;
|
|
|
1155 h->value.data = NULL;
|
|
|
1156 h->lowcase_key = (u_char *) "date";
|
|
|
1157 }
|
|
|
1158
|
|
58
|
1159 return NGX_OK;
|
|
|
1160 }
|
|
|
1161
|
|
70
|
1162 if (rc == NGX_AGAIN) {
|
|
|
1163 return NGX_AGAIN;
|
|
|
1164 }
|
|
|
1165
|
|
58
|
1166 /* there was error while a header line parsing */
|
|
|
1167
|
|
|
1168 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
168
|
1169 "upstream sent invalid header");
|
|
58
|
1170
|
|
|
1171 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1172 }
|
|
|
1173 }
|
|
|
1174
|
|
|
1175
|
|
|
1176 static void
|
|
|
1177 ngx_http_proxy_abort_request(ngx_http_request_t *r)
|
|
|
1178 {
|
|
|
1179 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1180 "abort http proxy request");
|
|
126
|
1181
|
|
58
|
1182 return;
|
|
|
1183 }
|
|
|
1184
|
|
|
1185
|
|
|
1186 static void
|
|
|
1187 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
126
|
1188 {
|
|
58
|
1189 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1190 "finalize http proxy request");
|
|
|
1191
|
|
|
1192 return;
|
|
|
1193 }
|
|
|
1194
|
|
|
1195
|
|
122
|
1196 static ngx_int_t
|
|
|
1197 ngx_http_proxy_host_variable(ngx_http_request_t *r,
|
|
|
1198 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1199 {
|
|
|
1200 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1201
|
|
|
1202 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1203
|
|
122
|
1204 v->len = plcf->host_header.len;
|
|
126
|
1205 v->valid = 1;
|
|
122
|
1206 v->no_cachable = 0;
|
|
|
1207 v->not_found = 0;
|
|
|
1208 v->data = plcf->host_header.data;
|
|
58
|
1209
|
|
122
|
1210 return NGX_OK;
|
|
58
|
1211 }
|
|
|
1212
|
|
|
1213
|
|
122
|
1214 static ngx_int_t
|
|
|
1215 ngx_http_proxy_port_variable(ngx_http_request_t *r,
|
|
|
1216 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1217 {
|
|
|
1218 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1219
|
|
|
1220 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1221
|
|
122
|
1222 v->len = plcf->port_text.len;
|
|
126
|
1223 v->valid = 1;
|
|
122
|
1224 v->no_cachable = 0;
|
|
|
1225 v->not_found = 0;
|
|
|
1226 v->data = plcf->port_text.data;
|
|
58
|
1227
|
|
122
|
1228 return NGX_OK;
|
|
58
|
1229 }
|
|
|
1230
|
|
|
1231
|
|
122
|
1232 static ngx_int_t
|
|
58
|
1233 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
|
|
122
|
1234 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1235 {
|
|
122
|
1236 u_char *p;
|
|
58
|
1237
|
|
126
|
1238 v->valid = 1;
|
|
122
|
1239 v->no_cachable = 0;
|
|
|
1240 v->not_found = 0;
|
|
58
|
1241
|
|
|
1242 if (r->headers_in.x_forwarded_for == NULL) {
|
|
122
|
1243 v->len = r->connection->addr_text.len;
|
|
|
1244 v->data = r->connection->addr_text.data;
|
|
|
1245 return NGX_OK;
|
|
58
|
1246 }
|
|
|
1247
|
|
122
|
1248 v->len = r->headers_in.x_forwarded_for->value.len
|
|
|
1249 + sizeof(", ") - 1 + r->connection->addr_text.len;
|
|
58
|
1250
|
|
122
|
1251 p = ngx_palloc(r->pool, v->len);
|
|
58
|
1252 if (p == NULL) {
|
|
122
|
1253 return NGX_ERROR;
|
|
58
|
1254 }
|
|
|
1255
|
|
122
|
1256 v->data = p;
|
|
58
|
1257
|
|
122
|
1258 p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data,
|
|
|
1259 r->headers_in.x_forwarded_for->value.len);
|
|
58
|
1260
|
|
|
1261 *p++ = ','; *p++ = ' ';
|
|
|
1262
|
|
|
1263 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len);
|
|
|
1264
|
|
122
|
1265 return NGX_OK;
|
|
58
|
1266 }
|
|
|
1267
|
|
|
1268
|
|
|
1269 static ngx_int_t
|
|
126
|
1270 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
|
|
|
1271 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1272 {
|
|
|
1273 ngx_http_proxy_ctx_t *p;
|
|
|
1274
|
|
|
1275 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1276
|
|
|
1277 if (p == NULL) {
|
|
|
1278 v->not_found = 1;
|
|
|
1279 return NGX_OK;
|
|
|
1280 }
|
|
|
1281
|
|
|
1282 v->valid = 1;
|
|
|
1283 v->no_cachable = 0;
|
|
|
1284 v->not_found = 0;
|
|
|
1285
|
|
|
1286 v->data = ngx_palloc(r->connection->pool, NGX_SIZE_T_LEN);
|
|
|
1287
|
|
|
1288 if (v->data == NULL) {
|
|
|
1289 return NGX_ERROR;
|
|
|
1290 }
|
|
|
1291
|
|
|
1292 v->len = ngx_sprintf(v->data, "%uz", p->internal_body_length) - v->data;
|
|
|
1293
|
|
|
1294 return NGX_OK;
|
|
|
1295 }
|
|
|
1296
|
|
|
1297
|
|
|
1298 static ngx_int_t
|
|
58
|
1299 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1300 size_t prefix)
|
|
|
1301 {
|
|
|
1302 ngx_int_t rc;
|
|
|
1303 ngx_uint_t i;
|
|
|
1304 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1305 ngx_http_proxy_redirect_t *pr;
|
|
|
1306
|
|
|
1307 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1308
|
|
|
1309 pr = plcf->redirects->elts;
|
|
|
1310
|
|
|
1311 if (pr == NULL) {
|
|
|
1312 return NGX_DECLINED;
|
|
|
1313 }
|
|
|
1314
|
|
|
1315 for (i = 0; i < plcf->redirects->nelts; i++) {
|
|
154
|
1316 rc = pr[i].handler(r, h, prefix, &pr[i]);
|
|
58
|
1317
|
|
|
1318 if (rc != NGX_DECLINED) {
|
|
|
1319 return rc;
|
|
|
1320 }
|
|
|
1321 }
|
|
|
1322
|
|
|
1323 return NGX_DECLINED;
|
|
|
1324 }
|
|
|
1325
|
|
|
1326
|
|
|
1327 static ngx_int_t
|
|
|
1328 ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1329 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1330 {
|
|
|
1331 size_t len;
|
|
|
1332 u_char *data, *p;
|
|
|
1333
|
|
|
1334 if (pr->redirect.len > h->value.len - prefix
|
|
|
1335 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1336 pr->redirect.len) != 0)
|
|
|
1337 {
|
|
|
1338 return NGX_DECLINED;
|
|
|
1339 }
|
|
|
1340
|
|
|
1341 len = prefix + pr->replacement.text.len + h->value.len - pr->redirect.len;
|
|
|
1342
|
|
|
1343 data = ngx_palloc(r->pool, len);
|
|
|
1344 if (data == NULL) {
|
|
|
1345 return NGX_ERROR;
|
|
|
1346 }
|
|
|
1347
|
|
|
1348 p = data;
|
|
|
1349
|
|
122
|
1350 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1351
|
|
122
|
1352 p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len);
|
|
58
|
1353
|
|
|
1354 ngx_memcpy(p, h->value.data + prefix + pr->redirect.len,
|
|
|
1355 h->value.len - pr->redirect.len - prefix);
|
|
|
1356
|
|
|
1357 h->value.len = len;
|
|
|
1358 h->value.data = data;
|
|
|
1359
|
|
|
1360 return NGX_OK;
|
|
|
1361 }
|
|
|
1362
|
|
|
1363
|
|
|
1364 static ngx_int_t
|
|
|
1365 ngx_http_proxy_rewrite_redirect_vars(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 ngx_http_script_code_pt code;
|
|
|
1371 ngx_http_script_engine_t e;
|
|
|
1372 ngx_http_script_len_code_pt lcode;
|
|
|
1373
|
|
|
1374 if (pr->redirect.len > h->value.len - prefix
|
|
|
1375 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1376 pr->redirect.len) != 0)
|
|
|
1377 {
|
|
|
1378 return NGX_DECLINED;
|
|
|
1379 }
|
|
|
1380
|
|
|
1381 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
1382
|
|
|
1383 e.ip = pr->replacement.vars.lengths;
|
|
|
1384 e.request = r;
|
|
|
1385
|
|
|
1386 for (len = prefix; *(uintptr_t *) e.ip; len += lcode(&e)) {
|
|
|
1387 lcode = *(ngx_http_script_len_code_pt *) e.ip;
|
|
|
1388 }
|
|
|
1389
|
|
|
1390 data = ngx_palloc(r->pool, len);
|
|
|
1391 if (data == NULL) {
|
|
|
1392 return NGX_ERROR;
|
|
|
1393 }
|
|
|
1394
|
|
|
1395 p = data;
|
|
|
1396
|
|
122
|
1397 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1398
|
|
|
1399 e.ip = pr->replacement.vars.values;
|
|
|
1400 e.pos = p;
|
|
|
1401
|
|
|
1402 while (*(uintptr_t *) e.ip) {
|
|
|
1403 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1404 code(&e);
|
|
|
1405 }
|
|
|
1406
|
|
|
1407 h->value.len = len;
|
|
|
1408 h->value.data = data;
|
|
|
1409
|
|
|
1410 return NGX_OK;
|
|
|
1411 }
|
|
|
1412
|
|
|
1413
|
|
|
1414 static ngx_int_t
|
|
|
1415 ngx_http_proxy_add_variables(ngx_conf_t *cf)
|
|
|
1416 {
|
|
|
1417 ngx_http_variable_t *var, *v;
|
|
|
1418
|
|
|
1419 for (v = ngx_http_proxy_vars; v->name.len; v++) {
|
|
|
1420 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
1421 if (var == NULL) {
|
|
|
1422 return NGX_ERROR;
|
|
|
1423 }
|
|
|
1424
|
|
186
|
1425 var->get_handler = v->get_handler;
|
|
58
|
1426 var->data = v->data;
|
|
|
1427 }
|
|
|
1428
|
|
|
1429 return NGX_OK;
|
|
|
1430 }
|
|
|
1431
|
|
|
1432
|
|
|
1433 static void *
|
|
|
1434 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
|
|
|
1435 {
|
|
|
1436 ngx_http_proxy_loc_conf_t *conf;
|
|
|
1437
|
|
|
1438 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t));
|
|
|
1439 if (conf == NULL) {
|
|
|
1440 return NGX_CONF_ERROR;
|
|
|
1441 }
|
|
|
1442
|
|
|
1443 /*
|
|
|
1444 * set by ngx_pcalloc():
|
|
|
1445 *
|
|
|
1446 * conf->upstream.bufs.num = 0;
|
|
|
1447 * conf->upstream.next_upstream = 0;
|
|
|
1448 * conf->upstream.temp_path = NULL;
|
|
198
|
1449 * conf->upstream.hide_headers_hash = { NULL, 0 };
|
|
|
1450 * conf->upstream.hide_headers = NULL;
|
|
|
1451 * conf->upstream.pass_headers = NULL;
|
|
58
|
1452 * conf->upstream.schema = { 0, NULL };
|
|
|
1453 * conf->upstream.uri = { 0, NULL };
|
|
|
1454 * conf->upstream.location = NULL;
|
|
|
1455 *
|
|
110
|
1456 * conf->method = NULL;
|
|
58
|
1457 * conf->headers_source = NULL;
|
|
|
1458 * conf->headers_set_len = NULL;
|
|
|
1459 * conf->headers_set = NULL;
|
|
|
1460 * conf->headers_set_hash = NULL;
|
|
126
|
1461 * conf->body_set_len = NULL;
|
|
|
1462 * conf->body_set = NULL;
|
|
|
1463 * conf->body_source = { 0, NULL };
|
|
58
|
1464 * conf->rewrite_locations = NULL;
|
|
|
1465 */
|
|
126
|
1466
|
|
130
|
1467 conf->upstream.buffering = NGX_CONF_UNSET;
|
|
178
|
1468 conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
|
|
130
|
1469
|
|
58
|
1470 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1471 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1472 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1473
|
|
|
1474 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
130
|
1475 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
78
|
1476
|
|
|
1477 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
126
|
1478 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
78
|
1479 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
58
|
1480
|
|
110
|
1481 conf->upstream.max_fails = NGX_CONF_UNSET_UINT;
|
|
|
1482 conf->upstream.fail_timeout = NGX_CONF_UNSET;
|
|
|
1483
|
|
58
|
1484 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
|
1485 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
110
|
1486
|
|
58
|
1487 conf->upstream.redirect_errors = NGX_CONF_UNSET;
|
|
|
1488
|
|
|
1489 /* "proxy_cyclic_temp_file" is disabled */
|
|
|
1490 conf->upstream.cyclic_temp_file = 0;
|
|
|
1491
|
|
|
1492 conf->redirect = NGX_CONF_UNSET;
|
|
198
|
1493 conf->upstream.change_buffering = 1;
|
|
58
|
1494
|
|
|
1495 return conf;
|
|
|
1496 }
|
|
|
1497
|
|
|
1498
|
|
|
1499 static char *
|
|
|
1500 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1501 {
|
|
|
1502 ngx_http_proxy_loc_conf_t *prev = parent;
|
|
|
1503 ngx_http_proxy_loc_conf_t *conf = child;
|
|
|
1504
|
|
|
1505 u_char *p;
|
|
|
1506 size_t size;
|
|
|
1507 uintptr_t *code;
|
|
198
|
1508 ngx_str_t *header;
|
|
|
1509 ngx_uint_t i, j;
|
|
|
1510 ngx_array_t hide_headers;
|
|
|
1511 ngx_keyval_t *src, *s, *h;
|
|
|
1512 ngx_hash_key_t *hk;
|
|
|
1513 ngx_hash_init_t hash;
|
|
58
|
1514 ngx_http_proxy_redirect_t *pr;
|
|
|
1515 ngx_http_script_compile_t sc;
|
|
|
1516 ngx_http_script_copy_code_t *copy;
|
|
|
1517
|
|
130
|
1518 ngx_conf_merge_value(conf->upstream.buffering,
|
|
|
1519 prev->upstream.buffering, 1);
|
|
|
1520
|
|
178
|
1521 ngx_conf_merge_value(conf->upstream.ignore_client_abort,
|
|
|
1522 prev->upstream.ignore_client_abort, 0);
|
|
|
1523
|
|
58
|
1524 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
1525 prev->upstream.connect_timeout, 60000);
|
|
|
1526
|
|
|
1527 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
1528 prev->upstream.send_timeout, 60000);
|
|
|
1529
|
|
|
1530 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
1531 prev->upstream.read_timeout, 60000);
|
|
|
1532
|
|
|
1533 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
|
1534 prev->upstream.send_lowat, 0);
|
|
|
1535
|
|
130
|
1536 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
|
1537 prev->upstream.buffer_size,
|
|
58
|
1538 (size_t) ngx_pagesize);
|
|
|
1539
|
|
|
1540 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
|
1541 8, ngx_pagesize);
|
|
|
1542
|
|
|
1543 if (conf->upstream.bufs.num < 2) {
|
|
126
|
1544 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
58
|
1545 "there must be at least 2 \"proxy_buffers\"");
|
|
|
1546 return NGX_CONF_ERROR;
|
|
|
1547 }
|
|
126
|
1548
|
|
58
|
1549
|
|
130
|
1550 size = conf->upstream.buffer_size;
|
|
126
|
1551 if (size < conf->upstream.bufs.size) {
|
|
58
|
1552 size = conf->upstream.bufs.size;
|
|
|
1553 }
|
|
|
1554
|
|
|
1555
|
|
78
|
1556 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
|
1557 prev->upstream.busy_buffers_size_conf,
|
|
58
|
1558 NGX_CONF_UNSET_SIZE);
|
|
|
1559
|
|
78
|
1560 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1561 conf->upstream.busy_buffers_size = 2 * size;
|
|
78
|
1562 } else {
|
|
|
1563 conf->upstream.busy_buffers_size =
|
|
|
1564 conf->upstream.busy_buffers_size_conf;
|
|
|
1565 }
|
|
126
|
1566
|
|
78
|
1567 if (conf->upstream.busy_buffers_size < size) {
|
|
58
|
1568 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1569 "\"proxy_busy_buffers_size\" must be equal or bigger than "
|
|
|
1570 "maximum of the value of \"proxy_header_buffer_size\" and "
|
|
|
1571 "one of the \"proxy_buffers\"");
|
|
|
1572
|
|
|
1573 return NGX_CONF_ERROR;
|
|
78
|
1574 }
|
|
58
|
1575
|
|
78
|
1576 if (conf->upstream.busy_buffers_size
|
|
|
1577 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
58
|
1578 {
|
|
|
1579 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1580 "\"proxy_busy_buffers_size\" must be less than "
|
|
|
1581 "the size of all \"proxy_buffers\" minus one buffer");
|
|
|
1582
|
|
|
1583 return NGX_CONF_ERROR;
|
|
|
1584 }
|
|
78
|
1585
|
|
58
|
1586
|
|
78
|
1587 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
|
1588 prev->upstream.temp_file_write_size_conf,
|
|
58
|
1589 NGX_CONF_UNSET_SIZE);
|
|
|
1590
|
|
78
|
1591 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1592 conf->upstream.temp_file_write_size = 2 * size;
|
|
78
|
1593 } else {
|
|
|
1594 conf->upstream.temp_file_write_size =
|
|
|
1595 conf->upstream.temp_file_write_size_conf;
|
|
|
1596 }
|
|
126
|
1597
|
|
78
|
1598 if (conf->upstream.temp_file_write_size < size) {
|
|
58
|
1599 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1600 "\"proxy_temp_file_write_size\" must be equal or bigger than "
|
|
|
1601 "maximum of the value of \"proxy_header_buffer_size\" and "
|
|
|
1602 "one of the \"proxy_buffers\"");
|
|
|
1603
|
|
|
1604 return NGX_CONF_ERROR;
|
|
|
1605 }
|
|
|
1606
|
|
78
|
1607 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
|
1608 prev->upstream.max_temp_file_size_conf,
|
|
58
|
1609 NGX_CONF_UNSET_SIZE);
|
|
|
1610
|
|
78
|
1611 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1612 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
78
|
1613 } else {
|
|
|
1614 conf->upstream.max_temp_file_size =
|
|
|
1615 conf->upstream.max_temp_file_size_conf;
|
|
|
1616 }
|
|
58
|
1617
|
|
78
|
1618 if (conf->upstream.max_temp_file_size != 0
|
|
|
1619 && conf->upstream.max_temp_file_size < size)
|
|
58
|
1620 {
|
|
|
1621 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
110
|
1622 "\"proxy_max_temp_file_size\" must be equal to zero to disable "
|
|
58
|
1623 "the temporary files usage or must be equal or bigger than "
|
|
110
|
1624 "maximum of the value of \"proxy_header_buffer_size\" and "
|
|
|
1625 "one of the \"proxy_buffers\"");
|
|
58
|
1626
|
|
|
1627 return NGX_CONF_ERROR;
|
|
|
1628 }
|
|
|
1629
|
|
78
|
1630
|
|
58
|
1631 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
1632 prev->upstream.next_upstream,
|
|
|
1633 (NGX_CONF_BITMASK_SET
|
|
|
1634 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
1635 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
1636
|
|
110
|
1637 ngx_conf_merge_unsigned_value(conf->upstream.max_fails,
|
|
|
1638 prev->upstream.max_fails, 1);
|
|
|
1639
|
|
|
1640 ngx_conf_merge_sec_value(conf->upstream.fail_timeout,
|
|
|
1641 prev->upstream.fail_timeout, 10);
|
|
|
1642
|
|
200
|
1643 if (conf->upstream_peers && !conf->upstream_peers->balanced) {
|
|
|
1644 for (i = 0; i < conf->upstream_peers->peers->number; i++) {
|
|
|
1645 conf->upstream_peers->peers->peer[i].weight = 1;
|
|
|
1646 conf->upstream_peers->peers->peer[i].max_fails =
|
|
|
1647 conf->upstream.max_fails;
|
|
|
1648 conf->upstream_peers->peers->peer[i].fail_timeout =
|
|
|
1649 conf->upstream.fail_timeout;
|
|
110
|
1650 }
|
|
|
1651 }
|
|
|
1652
|
|
58
|
1653 ngx_conf_merge_path_value(conf->upstream.temp_path,
|
|
|
1654 prev->upstream.temp_path,
|
|
|
1655 NGX_HTTP_PROXY_TEMP_PATH, 1, 2, 0,
|
|
|
1656 ngx_garbage_collector_temp_handler, cf);
|
|
|
1657
|
|
110
|
1658 if (conf->method.len == 0) {
|
|
|
1659 conf->method = prev->method;
|
|
|
1660
|
|
|
1661 } else {
|
|
|
1662 conf->method.data[conf->method.len] = ' ';
|
|
|
1663 conf->method.len++;
|
|
58
|
1664 }
|
|
|
1665
|
|
|
1666 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
|
1667 prev->upstream.pass_request_headers, 1);
|
|
|
1668 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
|
1669 prev->upstream.pass_request_body, 1);
|
|
|
1670
|
|
78
|
1671 ngx_conf_merge_value(conf->upstream.redirect_errors,
|
|
58
|
1672 prev->upstream.redirect_errors, 0);
|
|
|
1673
|
|
|
1674 ngx_conf_merge_value(conf->redirect, prev->redirect, 1);
|
|
|
1675
|
|
|
1676 if (conf->redirect) {
|
|
|
1677
|
|
|
1678 if (conf->redirects == NULL) {
|
|
|
1679 conf->redirects = prev->redirects;
|
|
|
1680 }
|
|
|
1681
|
|
|
1682 if (conf->redirects == NULL && conf->upstream.url.data) {
|
|
|
1683
|
|
|
1684 conf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
1685 sizeof(ngx_http_proxy_redirect_t));
|
|
|
1686 if (conf->redirects == NULL) {
|
|
|
1687 return NGX_CONF_ERROR;
|
|
|
1688 }
|
|
|
1689
|
|
|
1690 pr = ngx_array_push(conf->redirects);
|
|
|
1691 if (pr == NULL) {
|
|
|
1692 return NGX_CONF_ERROR;
|
|
|
1693 }
|
|
|
1694
|
|
|
1695 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
1696 pr->redirect = conf->upstream.url;
|
|
122
|
1697 pr->replacement.text = conf->upstream.location;
|
|
58
|
1698 }
|
|
|
1699 }
|
|
|
1700
|
|
198
|
1701 if (conf->upstream.hide_headers == NULL
|
|
|
1702 && conf->upstream.pass_headers == NULL)
|
|
|
1703 {
|
|
|
1704 conf->upstream.hide_headers = prev->upstream.hide_headers;
|
|
|
1705 conf->upstream.pass_headers = prev->upstream.pass_headers;
|
|
|
1706 conf->upstream.hide_headers_hash = prev->upstream.hide_headers_hash;
|
|
|
1707
|
|
|
1708 if (conf->upstream.hide_headers_hash.buckets) {
|
|
|
1709 goto peers;
|
|
|
1710 }
|
|
|
1711
|
|
|
1712 } else {
|
|
|
1713 if (conf->upstream.hide_headers == NULL) {
|
|
|
1714 conf->upstream.hide_headers = prev->upstream.hide_headers;
|
|
|
1715 }
|
|
|
1716
|
|
|
1717 if (conf->upstream.pass_headers == NULL) {
|
|
|
1718 conf->upstream.pass_headers = prev->upstream.pass_headers;
|
|
|
1719 }
|
|
|
1720 }
|
|
|
1721
|
|
|
1722 if (ngx_array_init(&hide_headers, cf->temp_pool, 4, sizeof(ngx_hash_key_t))
|
|
|
1723 != NGX_OK)
|
|
|
1724 {
|
|
|
1725 return NGX_CONF_ERROR;
|
|
|
1726 }
|
|
|
1727
|
|
|
1728 for (header = ngx_http_proxy_hide_headers; header->len; header++) {
|
|
|
1729 hk = ngx_array_push(&hide_headers);
|
|
|
1730 if (hk == NULL) {
|
|
|
1731 return NGX_CONF_ERROR;
|
|
|
1732 }
|
|
|
1733
|
|
|
1734 hk->key = *header;
|
|
|
1735 hk->key_hash = ngx_hash_key_lc(header->data, header->len);
|
|
|
1736 hk->value = (void *) 1;
|
|
|
1737 }
|
|
|
1738
|
|
|
1739 if (conf->upstream.hide_headers) {
|
|
|
1740
|
|
|
1741 header = conf->upstream.hide_headers->elts;
|
|
|
1742
|
|
|
1743 for (i = 0; i < conf->upstream.hide_headers->nelts; i++) {
|
|
|
1744
|
|
|
1745 hk = hide_headers.elts;
|
|
|
1746
|
|
|
1747 for (j = 0; j < hide_headers.nelts; j++) {
|
|
|
1748 if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) {
|
|
|
1749 goto exist;
|
|
|
1750 }
|
|
|
1751 }
|
|
|
1752
|
|
|
1753 hk = ngx_array_push(&hide_headers);
|
|
|
1754 if (hk == NULL) {
|
|
|
1755 return NGX_CONF_ERROR;
|
|
|
1756 }
|
|
|
1757
|
|
|
1758 hk->key = header[i];
|
|
|
1759 hk->key_hash = ngx_hash_key_lc(header[i].data, header[i].len);
|
|
|
1760 hk->value = (void *) 1;
|
|
|
1761
|
|
|
1762 exist:
|
|
|
1763
|
|
|
1764 continue;
|
|
|
1765 }
|
|
|
1766 }
|
|
|
1767
|
|
|
1768 if (conf->upstream.pass_headers) {
|
|
|
1769
|
|
|
1770 hk = hide_headers.elts;
|
|
|
1771 header = conf->upstream.pass_headers->elts;
|
|
|
1772
|
|
|
1773 for (i = 0; i < conf->upstream.pass_headers->nelts; i++) {
|
|
|
1774 for (j = 0; j < hide_headers.nelts; j++) {
|
|
|
1775
|
|
|
1776 if (hk[j].key.data == NULL) {
|
|
|
1777 continue;
|
|
|
1778 }
|
|
|
1779
|
|
|
1780 if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) {
|
|
|
1781 hk[j].key.data = NULL;
|
|
|
1782 break;
|
|
|
1783 }
|
|
|
1784 }
|
|
|
1785 }
|
|
|
1786 }
|
|
|
1787
|
|
|
1788 hash.hash = &conf->upstream.hide_headers_hash;
|
|
|
1789 hash.key = ngx_hash_key_lc;
|
|
|
1790 hash.max_size = 512;
|
|
|
1791 hash.bucket_size = ngx_cacheline_size;
|
|
|
1792 hash.name = "proxy_hide_headers_hash";
|
|
|
1793 hash.pool = cf->pool;
|
|
|
1794 hash.temp_pool = NULL;
|
|
|
1795
|
|
|
1796 if (ngx_hash_init(&hash, hide_headers.elts, hide_headers.nelts) != NGX_OK) {
|
|
|
1797 return NGX_CONF_ERROR;
|
|
|
1798 }
|
|
|
1799
|
|
|
1800 peers:
|
|
58
|
1801
|
|
200
|
1802 if (conf->upstream_peers == NULL) {
|
|
|
1803 conf->upstream_peers = prev->upstream_peers;
|
|
178
|
1804
|
|
|
1805 conf->host_header = prev->host_header;
|
|
|
1806 conf->port_text = prev->port_text;
|
|
|
1807 conf->upstream.schema = prev->upstream.schema;
|
|
58
|
1808 }
|
|
|
1809
|
|
126
|
1810
|
|
|
1811 if (conf->body_source.data == NULL) {
|
|
|
1812 conf->body_source = prev->body_source;
|
|
|
1813 conf->body_set_len = prev->body_set_len;
|
|
|
1814 conf->body_set = prev->body_set;
|
|
|
1815 }
|
|
|
1816
|
|
128
|
1817 if (conf->body_source.data && conf->body_set_len == NULL) {
|
|
126
|
1818
|
|
|
1819 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1820
|
|
|
1821 sc.cf = cf;
|
|
|
1822 sc.source = &conf->body_source;
|
|
|
1823 sc.flushes = &conf->flushes;
|
|
|
1824 sc.lengths = &conf->body_set_len;
|
|
|
1825 sc.values = &conf->body_set;
|
|
|
1826 sc.complete_lengths = 1;
|
|
|
1827 sc.complete_values = 1;
|
|
|
1828
|
|
|
1829 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1830 return NGX_CONF_ERROR;
|
|
|
1831 }
|
|
|
1832
|
|
|
1833 if (conf->headers_source == NULL) {
|
|
|
1834 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
1835 sizeof(ngx_keyval_t));
|
|
126
|
1836 if (conf->headers_source == NULL) {
|
|
|
1837 return NGX_CONF_ERROR;
|
|
|
1838 }
|
|
|
1839 }
|
|
|
1840
|
|
|
1841 s = ngx_array_push(conf->headers_source);
|
|
|
1842 if (s == NULL) {
|
|
|
1843 return NGX_CONF_ERROR;
|
|
|
1844 }
|
|
|
1845
|
|
|
1846 s->key.len = sizeof("Content-Length") - 1;
|
|
|
1847 s->key.data = (u_char *) "Content-Length";
|
|
|
1848 s->value.len = sizeof("$proxy_internal_body_length") - 1;
|
|
|
1849 s->value.data = (u_char *) "$proxy_internal_body_length";
|
|
|
1850 }
|
|
|
1851
|
|
|
1852
|
|
58
|
1853 if (conf->headers_source == NULL) {
|
|
122
|
1854 conf->flushes = prev->flushes;
|
|
58
|
1855 conf->headers_set_len = prev->headers_set_len;
|
|
|
1856 conf->headers_set = prev->headers_set;
|
|
|
1857 conf->headers_set_hash = prev->headers_set_hash;
|
|
122
|
1858 conf->headers_source = prev->headers_source;
|
|
58
|
1859 }
|
|
|
1860
|
|
198
|
1861 if (conf->headers_set_hash.buckets) {
|
|
58
|
1862 return NGX_CONF_OK;
|
|
|
1863 }
|
|
|
1864
|
|
|
1865
|
|
198
|
1866 conf->headers_names = ngx_array_create(cf->pool, 4, sizeof(ngx_hash_key_t));
|
|
58
|
1867 if (conf->headers_names == NULL) {
|
|
|
1868 return NGX_CONF_ERROR;
|
|
|
1869 }
|
|
|
1870
|
|
|
1871 if (conf->headers_source == NULL) {
|
|
|
1872 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
1873 sizeof(ngx_keyval_t));
|
|
58
|
1874 if (conf->headers_source == NULL) {
|
|
|
1875 return NGX_CONF_ERROR;
|
|
|
1876 }
|
|
|
1877 }
|
|
|
1878
|
|
|
1879 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1);
|
|
|
1880 if (conf->headers_set_len == NULL) {
|
|
|
1881 return NGX_CONF_ERROR;
|
|
|
1882 }
|
|
|
1883
|
|
|
1884 conf->headers_set = ngx_array_create(cf->pool, 512, 1);
|
|
|
1885 if (conf->headers_set == NULL) {
|
|
|
1886 return NGX_CONF_ERROR;
|
|
|
1887 }
|
|
|
1888
|
|
|
1889
|
|
|
1890 src = conf->headers_source->elts;
|
|
|
1891
|
|
|
1892 for (h = ngx_http_proxy_headers; h->key.len; h++) {
|
|
|
1893
|
|
|
1894 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
1895 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
|
1896 goto next;
|
|
|
1897 }
|
|
|
1898 }
|
|
|
1899
|
|
|
1900 s = ngx_array_push(conf->headers_source);
|
|
|
1901 if (s == NULL) {
|
|
|
1902 return NGX_CONF_ERROR;
|
|
|
1903 }
|
|
|
1904
|
|
|
1905 *s = *h;
|
|
|
1906
|
|
66
|
1907 src = conf->headers_source->elts;
|
|
|
1908
|
|
58
|
1909 next:
|
|
|
1910
|
|
|
1911 continue;
|
|
|
1912 }
|
|
|
1913
|
|
126
|
1914
|
|
|
1915 src = conf->headers_source->elts;
|
|
58
|
1916 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
1917
|
|
198
|
1918 hk = ngx_array_push(conf->headers_names);
|
|
|
1919 if (hk == NULL) {
|
|
58
|
1920 return NGX_CONF_ERROR;
|
|
|
1921 }
|
|
|
1922
|
|
198
|
1923 hk->key = src[i].key;
|
|
|
1924 hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len);
|
|
|
1925 hk->value = (void *) 1;
|
|
58
|
1926
|
|
68
|
1927 if (src[i].value.len == 0) {
|
|
|
1928 continue;
|
|
|
1929 }
|
|
|
1930
|
|
58
|
1931 if (ngx_http_script_variables_count(&src[i].value) == 0) {
|
|
|
1932 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
1933 sizeof(ngx_http_script_copy_code_t));
|
|
|
1934 if (copy == NULL) {
|
|
|
1935 return NGX_CONF_ERROR;
|
|
|
1936 }
|
|
|
1937
|
|
|
1938 copy->code = (ngx_http_script_code_pt)
|
|
|
1939 ngx_http_script_copy_len_code;
|
|
|
1940 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
1941 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
1942
|
|
|
1943
|
|
|
1944 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1945 + src[i].key.len + sizeof(": ") - 1
|
|
|
1946 + src[i].value.len + sizeof(CRLF) - 1
|
|
|
1947 + sizeof(uintptr_t) - 1)
|
|
|
1948 & ~(sizeof(uintptr_t) - 1);
|
|
|
1949
|
|
|
1950 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
1951 if (copy == NULL) {
|
|
|
1952 return NGX_CONF_ERROR;
|
|
|
1953 }
|
|
|
1954
|
|
|
1955 copy->code = ngx_http_script_copy_code;
|
|
|
1956 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
1957 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
1958
|
|
|
1959 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
1960
|
|
|
1961 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
1962 *p++ = ':'; *p++ = ' ';
|
|
|
1963 p = ngx_cpymem(p, src[i].value.data, src[i].value.len);
|
|
|
1964 *p++ = CR; *p = LF;
|
|
|
1965
|
|
|
1966 } else {
|
|
|
1967 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
1968 sizeof(ngx_http_script_copy_code_t));
|
|
|
1969 if (copy == NULL) {
|
|
|
1970 return NGX_CONF_ERROR;
|
|
|
1971 }
|
|
|
1972
|
|
|
1973 copy->code = (ngx_http_script_code_pt)
|
|
|
1974 ngx_http_script_copy_len_code;
|
|
|
1975 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
1976
|
|
|
1977
|
|
|
1978 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1979 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1)
|
|
|
1980 & ~(sizeof(uintptr_t) - 1);
|
|
|
1981
|
|
|
1982 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
1983 if (copy == NULL) {
|
|
|
1984 return NGX_CONF_ERROR;
|
|
|
1985 }
|
|
|
1986
|
|
|
1987 copy->code = ngx_http_script_copy_code;
|
|
|
1988 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
1989
|
|
|
1990 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
1991 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
1992 *p++ = ':'; *p = ' ';
|
|
|
1993
|
|
|
1994
|
|
|
1995 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1996
|
|
|
1997 sc.cf = cf;
|
|
|
1998 sc.source = &src[i].value;
|
|
122
|
1999 sc.flushes = &conf->flushes;
|
|
58
|
2000 sc.lengths = &conf->headers_set_len;
|
|
|
2001 sc.values = &conf->headers_set;
|
|
|
2002
|
|
|
2003 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2004 return NGX_CONF_ERROR;
|
|
|
2005 }
|
|
|
2006
|
|
|
2007
|
|
|
2008 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2009 sizeof(ngx_http_script_copy_code_t));
|
|
|
2010 if (copy == NULL) {
|
|
|
2011 return NGX_CONF_ERROR;
|
|
|
2012 }
|
|
|
2013
|
|
|
2014 copy->code = (ngx_http_script_code_pt)
|
|
|
2015 ngx_http_script_copy_len_code;
|
|
|
2016 copy->len = sizeof(CRLF) - 1;
|
|
|
2017
|
|
|
2018
|
|
|
2019 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2020 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1)
|
|
|
2021 & ~(sizeof(uintptr_t) - 1);
|
|
|
2022
|
|
|
2023 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2024 if (copy == NULL) {
|
|
|
2025 return NGX_CONF_ERROR;
|
|
|
2026 }
|
|
|
2027
|
|
|
2028 copy->code = ngx_http_script_copy_code;
|
|
|
2029 copy->len = sizeof(CRLF) - 1;
|
|
|
2030
|
|
|
2031 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2032 *p++ = CR; *p = LF;
|
|
|
2033 }
|
|
|
2034
|
|
|
2035 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2036 if (code == NULL) {
|
|
|
2037 return NGX_CONF_ERROR;
|
|
|
2038 }
|
|
|
2039
|
|
|
2040 *code = (uintptr_t) NULL;
|
|
|
2041
|
|
|
2042 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t));
|
|
|
2043 if (code == NULL) {
|
|
|
2044 return NGX_CONF_ERROR;
|
|
|
2045 }
|
|
|
2046
|
|
|
2047 *code = (uintptr_t) NULL;
|
|
|
2048 }
|
|
|
2049
|
|
|
2050 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2051 if (code == NULL) {
|
|
|
2052 return NGX_CONF_ERROR;
|
|
|
2053 }
|
|
|
2054
|
|
|
2055 *code = (uintptr_t) NULL;
|
|
|
2056
|
|
|
2057
|
|
198
|
2058 hash.hash = &conf->headers_set_hash;
|
|
|
2059 hash.key = ngx_hash_key_lc;
|
|
|
2060 hash.max_size = 512;
|
|
|
2061 hash.bucket_size = ngx_cacheline_size;
|
|
|
2062 hash.name = "proxy_set_header_hash";
|
|
|
2063 hash.pool = cf->pool;
|
|
|
2064 hash.temp_pool = NULL;
|
|
|
2065
|
|
|
2066 if (ngx_hash_init(&hash, conf->headers_names->elts,
|
|
|
2067 conf->headers_names->nelts)
|
|
|
2068 != NGX_OK)
|
|
|
2069 {
|
|
|
2070 return NGX_CONF_ERROR;
|
|
|
2071 }
|
|
|
2072
|
|
|
2073
|
|
|
2074 #if 0
|
|
138
|
2075 conf->headers_set_hash = ngx_pcalloc(cf->pool, sizeof(ngx_hash0_t));
|
|
58
|
2076 if (conf->headers_set_hash == NULL) {
|
|
|
2077 return NGX_CONF_ERROR;
|
|
|
2078 }
|
|
|
2079
|
|
|
2080 conf->headers_set_hash->max_size = 100;
|
|
|
2081 conf->headers_set_hash->bucket_limit = 1;
|
|
|
2082 conf->headers_set_hash->bucket_size = sizeof(ngx_str_t);
|
|
|
2083 conf->headers_set_hash->name = "proxy_headers";
|
|
|
2084
|
|
138
|
2085 if (ngx_hash0_init(conf->headers_set_hash, cf->pool,
|
|
|
2086 conf->headers_names->elts, conf->headers_names->nelts)
|
|
|
2087 != NGX_OK)
|
|
58
|
2088 {
|
|
|
2089 return NGX_CONF_ERROR;
|
|
|
2090 }
|
|
|
2091
|
|
|
2092 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, cf->log, 0,
|
|
|
2093 "proxy_headers hash size: %ui, "
|
|
|
2094 "max buckets per entry: %ui",
|
|
|
2095 conf->headers_set_hash->hash_size,
|
|
|
2096 conf->headers_set_hash->min_buckets);
|
|
198
|
2097 #endif
|
|
58
|
2098
|
|
|
2099 return NGX_CONF_OK;
|
|
|
2100 }
|
|
|
2101
|
|
|
2102
|
|
|
2103 static char *
|
|
|
2104 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2105 {
|
|
|
2106 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2107
|
|
126
|
2108 size_t add;
|
|
142
|
2109 u_short port;
|
|
58
|
2110 ngx_str_t *value, *url;
|
|
200
|
2111 ngx_url_t u;
|
|
58
|
2112 ngx_http_core_loc_conf_t *clcf;
|
|
126
|
2113 #if (NGX_HTTP_SSL)
|
|
|
2114 ngx_pool_cleanup_t *cln;
|
|
|
2115 #endif
|
|
58
|
2116
|
|
104
|
2117 if (plcf->upstream.schema.len) {
|
|
|
2118 return "is duplicate";
|
|
|
2119 }
|
|
|
2120
|
|
58
|
2121 value = cf->args->elts;
|
|
|
2122
|
|
|
2123 url = &value[1];
|
|
|
2124
|
|
126
|
2125 if (ngx_strncasecmp(url->data, "http://", 7) == 0) {
|
|
|
2126 add = 7;
|
|
140
|
2127 port = 80;
|
|
126
|
2128
|
|
|
2129 } else if (ngx_strncasecmp(url->data, "https://", 8) == 0) {
|
|
|
2130
|
|
|
2131 #if (NGX_HTTP_SSL)
|
|
|
2132
|
|
|
2133 add = 8;
|
|
140
|
2134 port = 443;
|
|
126
|
2135
|
|
|
2136 plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t));
|
|
|
2137 if (plcf->upstream.ssl == NULL) {
|
|
|
2138 return NGX_CONF_ERROR;
|
|
|
2139 }
|
|
|
2140
|
|
|
2141 plcf->upstream.ssl->log = cf->log;
|
|
|
2142
|
|
|
2143 if (ngx_ssl_create(plcf->upstream.ssl,
|
|
|
2144 NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1)
|
|
|
2145 != NGX_OK)
|
|
|
2146 {
|
|
|
2147 return NGX_CONF_ERROR;
|
|
|
2148 }
|
|
|
2149
|
|
|
2150 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
2151 if (cln == NULL) {
|
|
|
2152 return NGX_CONF_ERROR;
|
|
|
2153 }
|
|
|
2154
|
|
|
2155 cln->handler = ngx_ssl_cleanup_ctx;
|
|
|
2156 cln->data = plcf->upstream.ssl;
|
|
|
2157
|
|
|
2158 #else
|
|
|
2159 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2160 "https protocol requires SSL support");
|
|
|
2161 return NGX_CONF_ERROR;
|
|
|
2162 #endif
|
|
|
2163
|
|
|
2164 } else {
|
|
58
|
2165 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix");
|
|
|
2166 return NGX_CONF_ERROR;
|
|
|
2167 }
|
|
|
2168
|
|
200
|
2169 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
|
2170
|
|
|
2171 u.url.len = url->len - add;
|
|
|
2172 u.url.data = url->data + add;
|
|
|
2173 u.default_portn = port;
|
|
|
2174 u.uri_part = 1;
|
|
|
2175 u.upstream = 1;
|
|
|
2176
|
|
|
2177 plcf->upstream_peers = ngx_http_upstream_add(cf, &u);
|
|
|
2178 if (plcf->upstream_peers == NULL) {
|
|
58
|
2179 return NGX_CONF_ERROR;
|
|
|
2180 }
|
|
|
2181
|
|
200
|
2182 plcf->host_header = u.host_header;
|
|
|
2183 plcf->port_text = u.port;
|
|
|
2184 plcf->upstream.uri = u.uri;
|
|
|
2185
|
|
140
|
2186 plcf->upstream.schema.len = add;
|
|
|
2187 plcf->upstream.schema.data = url->data;
|
|
58
|
2188
|
|
|
2189 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
2190
|
|
|
2191 clcf->handler = ngx_http_proxy_handler;
|
|
|
2192
|
|
122
|
2193 plcf->upstream.location = clcf->name;
|
|
104
|
2194
|
|
58
|
2195 #if (NGX_PCRE)
|
|
104
|
2196
|
|
178
|
2197 if (clcf->regex || clcf->noname) {
|
|
122
|
2198 if (plcf->upstream.uri.len) {
|
|
|
2199 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2200 "\"proxy_pass\" may not have URI part in "
|
|
178
|
2201 "location given by regular expression or "
|
|
|
2202 "inside the \"if\" statement");
|
|
122
|
2203 return NGX_CONF_ERROR;
|
|
|
2204 }
|
|
|
2205
|
|
|
2206 plcf->upstream.location.len = 0;
|
|
104
|
2207 }
|
|
|
2208
|
|
58
|
2209 #endif
|
|
|
2210
|
|
|
2211 plcf->upstream.url = *url;
|
|
|
2212
|
|
|
2213 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
2214 clcf->auto_redirect = 1;
|
|
|
2215 }
|
|
|
2216
|
|
|
2217 return NGX_CONF_OK;
|
|
|
2218 }
|
|
|
2219
|
|
|
2220
|
|
|
2221 static char *
|
|
|
2222 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2223 {
|
|
|
2224 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2225
|
|
|
2226 ngx_str_t *value;
|
|
|
2227 ngx_array_t *vars_lengths, *vars_values;
|
|
|
2228 ngx_http_script_compile_t sc;
|
|
|
2229 ngx_http_proxy_redirect_t *pr;
|
|
|
2230
|
|
|
2231 if (plcf->redirect == 0) {
|
|
|
2232 return NGX_CONF_OK;
|
|
|
2233 }
|
|
|
2234
|
|
|
2235 value = cf->args->elts;
|
|
|
2236
|
|
|
2237 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2238 plcf->redirect = 0;
|
|
|
2239 plcf->redirects = NULL;
|
|
|
2240 return NGX_CONF_OK;
|
|
|
2241 }
|
|
|
2242
|
|
|
2243 if (plcf->redirects == NULL) {
|
|
|
2244 plcf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
2245 sizeof(ngx_http_proxy_redirect_t));
|
|
|
2246 if (plcf->redirects == NULL) {
|
|
|
2247 return NGX_CONF_ERROR;
|
|
|
2248 }
|
|
|
2249 }
|
|
|
2250
|
|
|
2251 pr = ngx_array_push(plcf->redirects);
|
|
|
2252 if (pr == NULL) {
|
|
|
2253 return NGX_CONF_ERROR;
|
|
|
2254 }
|
|
|
2255
|
|
|
2256 if (cf->args->nelts == 2 && ngx_strcmp(value[1].data, "default") == 0) {
|
|
|
2257 if (plcf->upstream.url.data == NULL) {
|
|
|
2258 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2259 "\"proxy_rewrite_location default\" must go "
|
|
|
2260 "after the \"proxy_pass\" directive");
|
|
|
2261 return NGX_CONF_ERROR;
|
|
|
2262 }
|
|
|
2263
|
|
|
2264 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2265 pr->redirect = plcf->upstream.url;
|
|
122
|
2266 pr->replacement.text = plcf->upstream.location;
|
|
58
|
2267
|
|
|
2268 return NGX_CONF_OK;
|
|
|
2269 }
|
|
|
2270
|
|
|
2271 if (ngx_http_script_variables_count(&value[2]) == 0) {
|
|
|
2272 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2273 pr->redirect = value[1];
|
|
|
2274 pr->replacement.text = value[2];
|
|
|
2275
|
|
|
2276 return NGX_CONF_OK;
|
|
|
2277 }
|
|
|
2278
|
|
|
2279 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2280
|
|
|
2281 vars_lengths = NULL;
|
|
|
2282 vars_values = NULL;
|
|
|
2283
|
|
|
2284 sc.cf = cf;
|
|
|
2285 sc.source = &value[2];
|
|
|
2286 sc.lengths = &vars_lengths;
|
|
|
2287 sc.values = &vars_values;
|
|
|
2288 sc.complete_lengths = 1;
|
|
|
2289 sc.complete_values = 1;
|
|
|
2290
|
|
|
2291 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2292 return NGX_CONF_ERROR;
|
|
|
2293 }
|
|
|
2294
|
|
|
2295 pr->handler = ngx_http_proxy_rewrite_redirect_vars;
|
|
|
2296 pr->redirect = value[1];
|
|
|
2297 pr->replacement.vars.lengths = vars_lengths->elts;
|
|
|
2298 pr->replacement.vars.values = vars_values->elts;
|
|
|
2299
|
|
|
2300 return NGX_CONF_OK;
|
|
|
2301 }
|
|
|
2302
|
|
|
2303
|
|
|
2304 static char *
|
|
|
2305 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data)
|
|
|
2306 {
|
|
|
2307 #if (NGX_FREEBSD)
|
|
|
2308 ssize_t *np = data;
|
|
|
2309
|
|
|
2310 if (*np >= ngx_freebsd_net_inet_tcp_sendspace) {
|
|
|
2311 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2312 "\"proxy_send_lowat\" must be less than %d "
|
|
|
2313 "(sysctl net.inet.tcp.sendspace)",
|
|
|
2314 ngx_freebsd_net_inet_tcp_sendspace);
|
|
|
2315
|
|
|
2316 return NGX_CONF_ERROR;
|
|
|
2317 }
|
|
|
2318
|
|
|
2319 #elif !(NGX_HAVE_SO_SNDLOWAT)
|
|
|
2320 ssize_t *np = data;
|
|
|
2321
|
|
|
2322 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
2323 "\"proxy_send_lowat\" is not supported, ignored");
|
|
|
2324
|
|
|
2325 *np = 0;
|
|
|
2326
|
|
|
2327 #endif
|
|
|
2328
|
|
|
2329 return NGX_CONF_OK;
|
|
|
2330 }
|
