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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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19 ngx_http_proxy_redirect_pt handler;
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20 ngx_str_t redirect;
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21
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22 union {
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23 ngx_str_t text;
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24
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25 struct {
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26 void *lengths;
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27 void *values;
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28 } vars;
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29
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30 void *regex;
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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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36 ngx_http_upstream_conf_t upstream;
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37
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38 ngx_peers_t *peers;
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39
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122
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40 ngx_array_t *flushes;
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126
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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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58
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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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138
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45 ngx_hash0_t *headers_set_hash;
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58
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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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126
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52 ngx_str_t body_source;
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53
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110
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54 ngx_str_t method;
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58
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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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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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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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126
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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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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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133 NGX_HTTP_LOC_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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153 { ngx_string("proxy_connect_timeout"),
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154 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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155 ngx_conf_set_msec_slot,
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156 NGX_HTTP_LOC_CONF_OFFSET,
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157 offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout),
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158 NULL },
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159
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160 { ngx_string("proxy_send_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.send_timeout),
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165 NULL },
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166
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167 { ngx_string("proxy_send_lowat"),
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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_size_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_lowat),
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172 &ngx_http_proxy_lowat_post },
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173
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174 { ngx_string("proxy_redirect_errors"),
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175 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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176 ngx_conf_set_flag_slot,
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177 NGX_HTTP_LOC_CONF_OFFSET,
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178 offsetof(ngx_http_proxy_loc_conf_t, upstream.redirect_errors),
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179 NULL },
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180
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181 { ngx_string("proxy_set_header"),
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182 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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183 ngx_conf_set_table_elt_slot,
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184 NGX_HTTP_LOC_CONF_OFFSET,
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185 offsetof(ngx_http_proxy_loc_conf_t, headers_source),
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186 NULL },
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187
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188 { ngx_string("proxy_set_body"),
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189 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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190 ngx_conf_set_str_slot,
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191 NGX_HTTP_LOC_CONF_OFFSET,
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192 offsetof(ngx_http_proxy_loc_conf_t, body_source),
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193 NULL },
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194
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195 { ngx_string("proxy_method"),
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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, method),
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200 NULL },
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201
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202 { ngx_string("proxy_pass_request_headers"),
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203 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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204 ngx_conf_set_flag_slot,
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205 NGX_HTTP_LOC_CONF_OFFSET,
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206 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers),
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207 NULL },
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208
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209 { ngx_string("proxy_pass_request_body"),
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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_body),
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214 NULL },
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215
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130
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216 { ngx_string("proxy_buffer_size"),
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217 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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218 ngx_conf_set_size_slot,
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219 NGX_HTTP_LOC_CONF_OFFSET,
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220 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
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221 NULL },
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222
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223 { ngx_string("proxy_header_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 &ngx_conf_deprecated_proxy_header_buffer_size },
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229
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230 { ngx_string("proxy_read_timeout"),
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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_msec_slot,
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233 NGX_HTTP_LOC_CONF_OFFSET,
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234 offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout),
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235 NULL },
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236
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237 { ngx_string("proxy_buffers"),
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238 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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239 ngx_conf_set_bufs_slot,
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240 NGX_HTTP_LOC_CONF_OFFSET,
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241 offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs),
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242 NULL },
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243
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244 { ngx_string("proxy_busy_buffers_size"),
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245 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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246 ngx_conf_set_size_slot,
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247 NGX_HTTP_LOC_CONF_OFFSET,
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248 offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf),
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249 NULL },
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250
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251 { ngx_string("proxy_temp_path"),
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252 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
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253 ngx_conf_set_path_slot,
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254 NGX_HTTP_LOC_CONF_OFFSET,
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255 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path),
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256 (void *) ngx_garbage_collector_temp_handler },
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257
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258 { ngx_string("proxy_max_temp_file_size"),
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259 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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260 ngx_conf_set_size_slot,
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261 NGX_HTTP_LOC_CONF_OFFSET,
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262 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf),
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263 NULL },
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264
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265 { ngx_string("proxy_temp_file_write_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.temp_file_write_size_conf),
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270 NULL },
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271
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272 { ngx_string("proxy_next_upstream"),
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96
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273 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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58
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274 ngx_conf_set_bitmask_slot,
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275 NGX_HTTP_LOC_CONF_OFFSET,
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276 offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream),
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277 &ngx_http_proxy_next_upstream_masks },
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278
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110
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279 { ngx_string("proxy_upstream_max_fails"),
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280 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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281 ngx_conf_set_num_slot,
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282 NGX_HTTP_LOC_CONF_OFFSET,
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283 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_fails),
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284 NULL },
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285
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286 { ngx_string("proxy_upstream_fail_timeout"),
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287 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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288 ngx_conf_set_sec_slot,
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289 NGX_HTTP_LOC_CONF_OFFSET,
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290 offsetof(ngx_http_proxy_loc_conf_t, upstream.fail_timeout),
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291 NULL },
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292
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58
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293 { ngx_string("proxy_pass_x_powered_by"),
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294 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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295 ngx_conf_set_flag_slot,
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296 NGX_HTTP_LOC_CONF_OFFSET,
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297 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_x_powered_by),
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298 NULL },
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299
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300 { ngx_string("proxy_pass_server"),
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301 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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302 ngx_conf_set_flag_slot,
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303 NGX_HTTP_LOC_CONF_OFFSET,
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304 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_server),
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305 NULL },
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306
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307 { ngx_string("proxy_pass_x_accel_expires"),
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308 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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309 ngx_conf_set_flag_slot,
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310 NGX_HTTP_LOC_CONF_OFFSET,
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311 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_x_accel_expires),
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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
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333 ngx_module_t ngx_http_proxy_module = {
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334 NGX_MODULE_V1,
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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
|
|
|
352 static ngx_table_elt_t ngx_http_proxy_headers[] = {
|
|
66
|
353 { 0, ngx_string("Host"), ngx_string("$proxy_host") },
|
|
|
354 { 0, ngx_string("Connection"), ngx_string("close") },
|
|
130
|
355 { 0, ngx_string("Keep-Alive"), ngx_string("") },
|
|
58
|
356 { 0, ngx_null_string, ngx_null_string }
|
|
|
357 };
|
|
|
358
|
|
|
359
|
|
|
360 static ngx_http_variable_t ngx_http_proxy_vars[] = {
|
|
|
361
|
|
|
362 { ngx_string("proxy_host"), ngx_http_proxy_host_variable, 0,
|
|
132
|
363 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
364
|
|
|
365 { ngx_string("proxy_port"), ngx_http_proxy_port_variable, 0,
|
|
132
|
366 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
367
|
|
|
368 { ngx_string("proxy_add_x_forwarded_for"),
|
|
132
|
369 ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
370
|
|
|
371 #if 0
|
|
132
|
372 { ngx_string("proxy_add_via"), NULL, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
373 #endif
|
|
|
374
|
|
126
|
375 { ngx_string("proxy_internal_body_length"),
|
|
132
|
376 ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
126
|
377
|
|
82
|
378 { ngx_null_string, NULL, 0, 0, 0 }
|
|
58
|
379 };
|
|
|
380
|
|
|
381
|
|
|
382 static ngx_int_t
|
|
|
383 ngx_http_proxy_handler(ngx_http_request_t *r)
|
|
126
|
384 {
|
|
58
|
385 ngx_int_t rc;
|
|
|
386 ngx_http_upstream_t *u;
|
|
|
387 ngx_http_proxy_loc_conf_t *plcf;
|
|
126
|
388
|
|
58
|
389 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
126
|
390
|
|
58
|
391 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t));
|
|
|
392 if (u == NULL) {
|
|
|
393 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
394 }
|
|
126
|
395
|
|
58
|
396 u->peer.log = r->connection->log;
|
|
|
397 u->peer.log_error = NGX_ERROR_ERR;
|
|
|
398 u->peer.peers = plcf->peers;
|
|
|
399 u->peer.tries = plcf->peers->number;
|
|
|
400 #if (NGX_THREADS)
|
|
|
401 u->peer.lock = &r->connection->lock;
|
|
|
402 #endif
|
|
|
403
|
|
|
404 u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module;
|
|
|
405
|
|
|
406 u->conf = &plcf->upstream;
|
|
|
407
|
|
|
408 u->create_request = ngx_http_proxy_create_request;
|
|
|
409 u->reinit_request = ngx_http_proxy_reinit_request;
|
|
|
410 u->process_header = ngx_http_proxy_process_status_line;
|
|
|
411 u->abort_request = ngx_http_proxy_abort_request;
|
|
|
412 u->finalize_request = ngx_http_proxy_finalize_request;
|
|
|
413
|
|
|
414 if (plcf->redirects) {
|
|
|
415 u->rewrite_redirect = ngx_http_proxy_rewrite_redirect;
|
|
|
416 }
|
|
|
417
|
|
130
|
418 if (plcf->upstream.buffering) {
|
|
|
419
|
|
|
420 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
|
|
|
421 if (u->pipe == NULL) {
|
|
|
422 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
423 }
|
|
|
424
|
|
|
425 u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
|
|
|
426 }
|
|
58
|
427
|
|
|
428 u->accel = 1;
|
|
126
|
429
|
|
58
|
430 r->upstream = u;
|
|
|
431
|
|
|
432 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
|
433
|
|
|
434 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
|
435 return rc;
|
|
|
436 }
|
|
|
437
|
|
|
438 return NGX_DONE;
|
|
|
439 }
|
|
|
440
|
|
|
441
|
|
|
442 static ngx_int_t
|
|
|
443 ngx_http_proxy_create_request(ngx_http_request_t *r)
|
|
|
444 {
|
|
126
|
445 size_t len, loc_len, body_len;
|
|
158
|
446 ngx_uint_t i, key, unparsed_uri;
|
|
58
|
447 uintptr_t escape;
|
|
|
448 ngx_buf_t *b;
|
|
110
|
449 ngx_str_t *hh, method;
|
|
58
|
450 ngx_chain_t *cl, *body;
|
|
|
451 ngx_list_part_t *part;
|
|
|
452 ngx_table_elt_t *header;
|
|
|
453 ngx_http_upstream_t *u;
|
|
126
|
454 ngx_http_proxy_ctx_t *p;
|
|
58
|
455 ngx_http_script_code_pt code;
|
|
|
456 ngx_http_script_engine_t e, le;
|
|
|
457 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
458 ngx_http_script_len_code_pt lcode;
|
|
|
459
|
|
|
460 u = r->upstream;
|
|
|
461
|
|
|
462 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
463
|
|
126
|
464 p = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t));
|
|
|
465 if (p == NULL) {
|
|
|
466 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
467 }
|
|
|
468
|
|
|
469 ngx_http_set_ctx(r, p, ngx_http_proxy_module);
|
|
|
470
|
|
58
|
471 len = sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1;
|
|
|
472
|
|
110
|
473 if (u->method.len) {
|
|
|
474 /* HEAD was changed to GET to cache response */
|
|
|
475 method = u->method;
|
|
|
476 method.len++;
|
|
|
477
|
|
|
478 } else if (plcf->method.len) {
|
|
|
479 method = plcf->method;
|
|
|
480
|
|
58
|
481 } else {
|
|
110
|
482 method = r->method_name;
|
|
|
483 method.len++;
|
|
58
|
484 }
|
|
|
485
|
|
110
|
486 len += method.len + u->conf->uri.len;
|
|
|
487
|
|
58
|
488 escape = 0;
|
|
|
489
|
|
122
|
490 loc_len = r->valid_location ? u->conf->location.len : 0;
|
|
58
|
491
|
|
158
|
492 if (u->conf->uri.len == 0 && r->valid_unparsed_uri && r == r->main) {
|
|
|
493 unparsed_uri = 1;
|
|
88
|
494 len += r->unparsed_uri.len;
|
|
58
|
495
|
|
|
496 } else {
|
|
158
|
497 unparsed_uri = 0;
|
|
58
|
498 if (r->quoted_uri) {
|
|
|
499 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
|
|
|
500 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
501 }
|
|
|
502
|
|
|
503 len += r->uri.len - loc_len + escape + sizeof("?") - 1 + r->args.len;
|
|
|
504 }
|
|
|
505
|
|
122
|
506 ngx_http_script_flush_no_cachable_variables(r, plcf->flushes);
|
|
|
507
|
|
126
|
508 if (plcf->body_set_len) {
|
|
|
509 le.ip = plcf->body_set_len->elts;
|
|
|
510 le.request = r;
|
|
|
511 le.flushed = 1;
|
|
|
512 body_len = 0;
|
|
|
513
|
|
|
514 while (*(uintptr_t *) le.ip) {
|
|
|
515 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
516 body_len += lcode(&le);
|
|
|
517 }
|
|
|
518
|
|
|
519 p->internal_body_length = body_len;
|
|
|
520 len += body_len;
|
|
|
521 }
|
|
|
522
|
|
58
|
523 le.ip = plcf->headers_set_len->elts;
|
|
|
524 le.request = r;
|
|
122
|
525 le.flushed = 1;
|
|
58
|
526
|
|
|
527 while (*(uintptr_t *) le.ip) {
|
|
|
528 while (*(uintptr_t *) le.ip) {
|
|
|
529 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
530 len += lcode(&le);
|
|
|
531 }
|
|
|
532 le.ip += sizeof(uintptr_t);
|
|
|
533 }
|
|
|
534
|
|
|
535
|
|
|
536 hh = (ngx_str_t *) plcf->headers_set_hash->buckets;
|
|
|
537
|
|
|
538 if (plcf->upstream.pass_request_headers) {
|
|
|
539 part = &r->headers_in.headers.part;
|
|
|
540 header = part->elts;
|
|
|
541
|
|
|
542 for (i = 0; /* void */; i++) {
|
|
|
543
|
|
|
544 if (i >= part->nelts) {
|
|
|
545 if (part->next == NULL) {
|
|
|
546 break;
|
|
|
547 }
|
|
|
548
|
|
|
549 part = part->next;
|
|
|
550 header = part->elts;
|
|
126
|
551 i = 0;
|
|
58
|
552 }
|
|
|
553
|
|
|
554 key = header[i].hash % plcf->headers_set_hash->hash_size;
|
|
|
555
|
|
|
556 if (hh[key].len == header[i].key.len
|
|
|
557 && ngx_strcasecmp(hh[key].data, header[i].key.data) == 0)
|
|
|
558 {
|
|
|
559 continue;
|
|
|
560 }
|
|
|
561
|
|
|
562 len += header[i].key.len + sizeof(": ") - 1
|
|
|
563 + header[i].value.len + sizeof(CRLF) - 1;
|
|
|
564 }
|
|
|
565 }
|
|
|
566
|
|
|
567
|
|
|
568 b = ngx_create_temp_buf(r->pool, len);
|
|
|
569 if (b == NULL) {
|
|
|
570 return NGX_ERROR;
|
|
|
571 }
|
|
|
572
|
|
|
573 cl = ngx_alloc_chain_link(r->pool);
|
|
|
574 if (cl == NULL) {
|
|
|
575 return NGX_ERROR;
|
|
|
576 }
|
|
|
577
|
|
|
578 cl->buf = b;
|
|
|
579
|
|
|
580
|
|
|
581 /* the request line */
|
|
|
582
|
|
122
|
583 b->last = ngx_copy(b->last, method.data, method.len);
|
|
58
|
584
|
|
104
|
585 u->uri.data = b->last;
|
|
|
586
|
|
158
|
587 if (unparsed_uri) {
|
|
122
|
588 b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len);
|
|
|
589
|
|
58
|
590 } else {
|
|
104
|
591 if (r->valid_location) {
|
|
122
|
592 b->last = ngx_copy(b->last, u->conf->uri.data, u->conf->uri.len);
|
|
104
|
593 }
|
|
100
|
594
|
|
58
|
595 if (escape) {
|
|
|
596 ngx_escape_uri(b->last, r->uri.data + loc_len,
|
|
|
597 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
598 b->last += r->uri.len - loc_len + escape;
|
|
|
599
|
|
126
|
600 } else {
|
|
122
|
601 b->last = ngx_copy(b->last, r->uri.data + loc_len,
|
|
|
602 r->uri.len - loc_len);
|
|
58
|
603 }
|
|
|
604
|
|
|
605 if (r->args.len > 0) {
|
|
|
606 *b->last++ = '?';
|
|
122
|
607 b->last = ngx_copy(b->last, r->args.data, r->args.len);
|
|
58
|
608 }
|
|
|
609 }
|
|
|
610
|
|
104
|
611 u->uri.len = b->last - u->uri.data;
|
|
|
612
|
|
58
|
613 b->last = ngx_cpymem(b->last, ngx_http_proxy_version,
|
|
|
614 sizeof(ngx_http_proxy_version) - 1);
|
|
|
615
|
|
126
|
616 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
58
|
617
|
|
|
618 e.ip = plcf->headers_set->elts;
|
|
|
619 e.pos = b->last;
|
|
|
620 e.request = r;
|
|
122
|
621 e.flushed = 1;
|
|
58
|
622
|
|
|
623 le.ip = plcf->headers_set_len->elts;
|
|
|
624
|
|
|
625 while (*(uintptr_t *) le.ip) {
|
|
|
626 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
64
|
627
|
|
|
628 /* skip the header line name length */
|
|
|
629 (void) lcode(&le);
|
|
58
|
630
|
|
|
631 if (*(ngx_http_script_len_code_pt *) le.ip) {
|
|
|
632
|
|
|
633 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) {
|
|
|
634 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
635 }
|
|
|
636
|
|
|
637 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0;
|
|
|
638
|
|
|
639 } else {
|
|
|
640 e.skip = 0;
|
|
|
641 }
|
|
|
642
|
|
|
643 le.ip += sizeof(uintptr_t);
|
|
|
644
|
|
|
645 while (*(uintptr_t *) e.ip) {
|
|
|
646 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
647 code((ngx_http_script_engine_t *) &e);
|
|
126
|
648 }
|
|
58
|
649 e.ip += sizeof(uintptr_t);
|
|
|
650 }
|
|
|
651
|
|
|
652 b->last = e.pos;
|
|
|
653
|
|
|
654
|
|
|
655 if (plcf->upstream.pass_request_headers) {
|
|
|
656 part = &r->headers_in.headers.part;
|
|
|
657 header = part->elts;
|
|
126
|
658
|
|
58
|
659 for (i = 0; /* void */; i++) {
|
|
|
660
|
|
|
661 if (i >= part->nelts) {
|
|
|
662 if (part->next == NULL) {
|
|
|
663 break;
|
|
|
664 }
|
|
|
665
|
|
|
666 part = part->next;
|
|
|
667 header = part->elts;
|
|
126
|
668 i = 0;
|
|
58
|
669 }
|
|
|
670
|
|
|
671 key = header[i].hash % plcf->headers_set_hash->hash_size;
|
|
|
672
|
|
|
673 if (hh[key].len == header[i].key.len
|
|
|
674 && ngx_strcasecmp(hh[key].data, header[i].key.data) == 0)
|
|
|
675 {
|
|
|
676 continue;
|
|
|
677 }
|
|
|
678
|
|
122
|
679 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len);
|
|
58
|
680
|
|
|
681 *b->last++ = ':'; *b->last++ = ' ';
|
|
|
682
|
|
122
|
683 b->last = ngx_copy(b->last, header[i].value.data,
|
|
|
684 header[i].value.len);
|
|
58
|
685
|
|
|
686 *b->last++ = CR; *b->last++ = LF;
|
|
|
687
|
|
|
688 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
689 "http proxy header: \"%V: %V\"",
|
|
|
690 &header[i].key, &header[i].value);
|
|
|
691 }
|
|
|
692 }
|
|
|
693
|
|
126
|
694
|
|
58
|
695 /* add "\r\n" at the header end */
|
|
|
696 *b->last++ = CR; *b->last++ = LF;
|
|
|
697
|
|
126
|
698 if (plcf->body_set) {
|
|
|
699 e.ip = plcf->body_set->elts;
|
|
|
700 e.pos = b->last;
|
|
|
701
|
|
|
702 while (*(uintptr_t *) e.ip) {
|
|
|
703 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
704 code((ngx_http_script_engine_t *) &e);
|
|
|
705 }
|
|
128
|
706
|
|
|
707 b->last = e.pos;
|
|
126
|
708 }
|
|
|
709
|
|
58
|
710 #if (NGX_DEBUG)
|
|
|
711 {
|
|
|
712 ngx_str_t s;
|
|
|
713
|
|
|
714 s.len = b->last - b->pos;
|
|
|
715 s.data = b->pos;
|
|
|
716 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
717 "http proxy header:\n\"%V\"", &s);
|
|
|
718 }
|
|
|
719 #endif
|
|
|
720
|
|
126
|
721 if (plcf->body_set == NULL && plcf->upstream.pass_request_body) {
|
|
58
|
722
|
|
|
723 body = u->request_bufs;
|
|
|
724 u->request_bufs = cl;
|
|
|
725
|
|
|
726 while (body) {
|
|
|
727 b = ngx_alloc_buf(r->pool);
|
|
|
728 if (b == NULL) {
|
|
|
729 return NGX_ERROR;
|
|
|
730 }
|
|
|
731
|
|
|
732 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
733
|
|
|
734 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
735 if (cl->next == NULL) {
|
|
|
736 return NGX_ERROR;
|
|
|
737 }
|
|
|
738
|
|
|
739 cl = cl->next;
|
|
|
740 cl->buf = b;
|
|
|
741
|
|
|
742 body = body->next;
|
|
|
743 }
|
|
|
744
|
|
160
|
745 b->flush = 1;
|
|
|
746
|
|
58
|
747 } else {
|
|
|
748 u->request_bufs = cl;
|
|
|
749 }
|
|
|
750
|
|
|
751 cl->next = NULL;
|
|
|
752
|
|
|
753 return NGX_OK;
|
|
|
754 }
|
|
|
755
|
|
|
756
|
|
|
757 static ngx_int_t
|
|
|
758 ngx_http_proxy_reinit_request(ngx_http_request_t *r)
|
|
|
759 {
|
|
|
760 ngx_http_proxy_ctx_t *p;
|
|
|
761
|
|
|
762 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
763
|
|
|
764 if (p == NULL) {
|
|
|
765 return NGX_OK;
|
|
|
766 }
|
|
|
767
|
|
|
768 p->status = 0;
|
|
|
769 p->status_count = 0;
|
|
|
770 p->status_start = NULL;
|
|
|
771 p->status_end = NULL;
|
|
|
772
|
|
|
773 r->upstream->process_header = ngx_http_proxy_process_status_line;
|
|
|
774
|
|
|
775 return NGX_OK;
|
|
|
776 }
|
|
|
777
|
|
|
778
|
|
|
779 static ngx_int_t
|
|
|
780 ngx_http_proxy_process_status_line(ngx_http_request_t *r)
|
|
|
781 {
|
|
|
782 ngx_int_t rc;
|
|
|
783 ngx_http_upstream_t *u;
|
|
|
784 ngx_http_proxy_ctx_t *p;
|
|
|
785
|
|
|
786 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
787
|
|
|
788 if (p == NULL) {
|
|
126
|
789 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
58
|
790 }
|
|
|
791
|
|
|
792 rc = ngx_http_proxy_parse_status_line(r, p);
|
|
|
793
|
|
|
794 if (rc == NGX_AGAIN) {
|
|
|
795 return rc;
|
|
|
796 }
|
|
|
797
|
|
|
798 u = r->upstream;
|
|
|
799
|
|
|
800 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) {
|
|
|
801 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
126
|
802 "upstream sent no valid HTTP/1.0 header");
|
|
58
|
803
|
|
168
|
804 #if 0
|
|
58
|
805 if (u->accel) {
|
|
|
806 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
807 }
|
|
168
|
808 #endif
|
|
58
|
809
|
|
|
810 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
811 p->status = NGX_HTTP_OK;
|
|
126
|
812
|
|
58
|
813 return NGX_OK;
|
|
|
814 }
|
|
|
815
|
|
78
|
816 u->headers_in.status_n = p->status;
|
|
58
|
817 u->state->status = p->status;
|
|
|
818
|
|
78
|
819 u->headers_in.status_line.len = p->status_end - p->status_start;
|
|
|
820 u->headers_in.status_line.data = ngx_palloc(r->pool,
|
|
|
821 u->headers_in.status_line.len);
|
|
|
822 if (u->headers_in.status_line.data == NULL) {
|
|
58
|
823 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
824 }
|
|
122
|
825
|
|
78
|
826 ngx_memcpy(u->headers_in.status_line.data, p->status_start,
|
|
|
827 u->headers_in.status_line.len);
|
|
58
|
828
|
|
|
829 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
830 "http proxy status %ui \"%V\"",
|
|
78
|
831 u->headers_in.status, &u->headers_in.status_line);
|
|
58
|
832
|
|
|
833 u->process_header = ngx_http_proxy_process_header;
|
|
|
834
|
|
|
835 return ngx_http_proxy_process_header(r);
|
|
|
836 }
|
|
|
837
|
|
|
838
|
|
|
839 static ngx_int_t
|
|
|
840 ngx_http_proxy_parse_status_line(ngx_http_request_t *r, ngx_http_proxy_ctx_t *p)
|
|
|
841 {
|
|
|
842 u_char ch;
|
|
|
843 u_char *pos;
|
|
|
844 ngx_http_upstream_t *u;
|
|
|
845 enum {
|
|
|
846 sw_start = 0,
|
|
|
847 sw_H,
|
|
|
848 sw_HT,
|
|
|
849 sw_HTT,
|
|
|
850 sw_HTTP,
|
|
|
851 sw_first_major_digit,
|
|
|
852 sw_major_digit,
|
|
|
853 sw_first_minor_digit,
|
|
|
854 sw_minor_digit,
|
|
|
855 sw_status,
|
|
|
856 sw_space_after_status,
|
|
|
857 sw_status_text,
|
|
|
858 sw_almost_done
|
|
126
|
859 } state;
|
|
58
|
860
|
|
|
861 u = r->upstream;
|
|
|
862
|
|
|
863 state = r->state;
|
|
|
864
|
|
130
|
865 for (pos = u->buffer.pos; pos < u->buffer.last; pos++) {
|
|
58
|
866 ch = *pos;
|
|
|
867
|
|
|
868 switch (state) {
|
|
|
869
|
|
|
870 /* "HTTP/" */
|
|
|
871 case sw_start:
|
|
|
872 switch (ch) {
|
|
126
|
873 case 'H':
|
|
58
|
874 state = sw_H;
|
|
|
875 break;
|
|
|
876 default:
|
|
|
877 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
878 }
|
|
|
879 break;
|
|
|
880
|
|
126
|
881 case sw_H:
|
|
58
|
882 switch (ch) {
|
|
126
|
883 case 'T':
|
|
58
|
884 state = sw_HT;
|
|
|
885 break;
|
|
|
886 default:
|
|
|
887 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
888 }
|
|
|
889 break;
|
|
|
890
|
|
|
891 case sw_HT:
|
|
|
892 switch (ch) {
|
|
126
|
893 case 'T':
|
|
58
|
894 state = sw_HTT;
|
|
|
895 break;
|
|
|
896 default:
|
|
|
897 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
898 }
|
|
|
899 break;
|
|
|
900
|
|
|
901 case sw_HTT:
|
|
|
902 switch (ch) {
|
|
126
|
903 case 'P':
|
|
58
|
904 state = sw_HTTP;
|
|
|
905 break;
|
|
|
906 default:
|
|
|
907 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
908 }
|
|
|
909 break;
|
|
|
910
|
|
|
911 case sw_HTTP:
|
|
|
912 switch (ch) {
|
|
126
|
913 case '/':
|
|
58
|
914 state = sw_first_major_digit;
|
|
|
915 break;
|
|
|
916 default:
|
|
|
917 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
918 }
|
|
|
919 break;
|
|
|
920
|
|
|
921 /* the first digit of major HTTP version */
|
|
|
922 case sw_first_major_digit:
|
|
|
923 if (ch < '1' || ch > '9') {
|
|
|
924 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
925 }
|
|
|
926
|
|
|
927 state = sw_major_digit;
|
|
|
928 break;
|
|
|
929
|
|
|
930 /* the major HTTP version or dot */
|
|
|
931 case sw_major_digit:
|
|
|
932 if (ch == '.') {
|
|
|
933 state = sw_first_minor_digit;
|
|
|
934 break;
|
|
|
935 }
|
|
|
936
|
|
|
937 if (ch < '0' || ch > '9') {
|
|
|
938 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
939 }
|
|
|
940
|
|
|
941 break;
|
|
|
942
|
|
|
943 /* the first digit of minor HTTP version */
|
|
|
944 case sw_first_minor_digit:
|
|
|
945 if (ch < '0' || ch > '9') {
|
|
|
946 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
947 }
|
|
|
948
|
|
|
949 state = sw_minor_digit;
|
|
|
950 break;
|
|
|
951
|
|
|
952 /* the minor HTTP version or the end of the request line */
|
|
|
953 case sw_minor_digit:
|
|
|
954 if (ch == ' ') {
|
|
|
955 state = sw_status;
|
|
|
956 break;
|
|
|
957 }
|
|
|
958
|
|
|
959 if (ch < '0' || ch > '9') {
|
|
|
960 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
961 }
|
|
|
962
|
|
|
963 break;
|
|
|
964
|
|
|
965 /* HTTP status code */
|
|
|
966 case sw_status:
|
|
168
|
967 if (ch == ' ') {
|
|
|
968 break;
|
|
|
969 }
|
|
|
970
|
|
58
|
971 if (ch < '0' || ch > '9') {
|
|
|
972 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
973 }
|
|
|
974
|
|
|
975 p->status = p->status * 10 + ch - '0';
|
|
|
976
|
|
|
977 if (++p->status_count == 3) {
|
|
|
978 state = sw_space_after_status;
|
|
|
979 p->status_start = pos - 2;
|
|
|
980 }
|
|
|
981
|
|
|
982 break;
|
|
|
983
|
|
|
984 /* space or end of line */
|
|
|
985 case sw_space_after_status:
|
|
|
986 switch (ch) {
|
|
126
|
987 case ' ':
|
|
58
|
988 state = sw_status_text;
|
|
|
989 break;
|
|
|
990 case '.': /* IIS may send 403.1, 403.2, etc */
|
|
|
991 state = sw_status_text;
|
|
|
992 break;
|
|
|
993 case CR:
|
|
|
994 state = sw_almost_done;
|
|
|
995 break;
|
|
|
996 case LF:
|
|
|
997 goto done;
|
|
|
998 default:
|
|
|
999 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1000 }
|
|
|
1001 break;
|
|
|
1002
|
|
|
1003 /* any text until end of line */
|
|
|
1004 case sw_status_text:
|
|
|
1005 switch (ch) {
|
|
|
1006 case CR:
|
|
|
1007 state = sw_almost_done;
|
|
|
1008
|
|
|
1009 break;
|
|
|
1010 case LF:
|
|
|
1011 goto done;
|
|
|
1012 }
|
|
|
1013 break;
|
|
|
1014
|
|
76
|
1015 /* end of status line */
|
|
58
|
1016 case sw_almost_done:
|
|
|
1017 p->status_end = pos - 1;
|
|
|
1018 switch (ch) {
|
|
|
1019 case LF:
|
|
|
1020 goto done;
|
|
|
1021 default:
|
|
|
1022 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1023 }
|
|
|
1024 }
|
|
|
1025 }
|
|
|
1026
|
|
130
|
1027 u->buffer.pos = pos;
|
|
58
|
1028 r->state = state;
|
|
|
1029
|
|
|
1030 return NGX_AGAIN;
|
|
|
1031
|
|
|
1032 done:
|
|
|
1033
|
|
130
|
1034 u->buffer.pos = pos + 1;
|
|
58
|
1035
|
|
|
1036 if (p->status_end == NULL) {
|
|
|
1037 p->status_end = pos;
|
|
|
1038 }
|
|
|
1039
|
|
|
1040 r->state = sw_start;
|
|
|
1041
|
|
|
1042 return NGX_OK;
|
|
|
1043 }
|
|
|
1044
|
|
|
1045
|
|
|
1046 static ngx_int_t
|
|
|
1047 ngx_http_proxy_process_header(ngx_http_request_t *r)
|
|
|
1048 {
|
|
|
1049 ngx_int_t rc;
|
|
|
1050 ngx_uint_t key;
|
|
|
1051 ngx_table_elt_t *h;
|
|
|
1052 ngx_http_upstream_header_t *hh;
|
|
|
1053 ngx_http_upstream_main_conf_t *umcf;
|
|
|
1054
|
|
|
1055 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
1056 hh = (ngx_http_upstream_header_t *) umcf->headers_in_hash.buckets;
|
|
|
1057
|
|
|
1058 for ( ;; ) {
|
|
|
1059
|
|
130
|
1060 rc = ngx_http_parse_header_line(r, &r->upstream->buffer);
|
|
58
|
1061
|
|
|
1062 if (rc == NGX_OK) {
|
|
|
1063
|
|
|
1064 /* a header line has been parsed successfully */
|
|
|
1065
|
|
|
1066 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1067 if (h == NULL) {
|
|
|
1068 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1069 }
|
|
|
1070
|
|
|
1071 h->hash = r->header_hash;
|
|
|
1072
|
|
|
1073 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
1074 h->value.len = r->header_end - r->header_start;
|
|
|
1075
|
|
|
1076 h->key.data = ngx_palloc(r->pool,
|
|
|
1077 h->key.len + 1 + h->value.len + 1);
|
|
|
1078 if (h->key.data == NULL) {
|
|
|
1079 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1080 }
|
|
|
1081
|
|
|
1082 h->value.data = h->key.data + h->key.len + 1;
|
|
|
1083
|
|
|
1084 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
|
1085 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
|
1086
|
|
|
1087 key = h->hash % umcf->headers_in_hash.hash_size;
|
|
|
1088
|
|
|
1089 if (hh[key].name.len == h->key.len
|
|
|
1090 && ngx_strcasecmp(hh[key].name.data, h->key.data) == 0)
|
|
|
1091 {
|
|
|
1092 if (hh[key].handler(r, h, hh[key].offset) != NGX_OK) {
|
|
|
1093 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1094 }
|
|
|
1095 }
|
|
|
1096
|
|
|
1097 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1098 "http proxy header: \"%V: %V\"",
|
|
|
1099 &h->key, &h->value);
|
|
|
1100
|
|
|
1101 continue;
|
|
|
1102 }
|
|
|
1103
|
|
|
1104 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
|
1105
|
|
|
1106 /* a whole header has been parsed successfully */
|
|
|
1107
|
|
|
1108 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1109 "http proxy header done");
|
|
|
1110
|
|
|
1111 return NGX_OK;
|
|
|
1112 }
|
|
|
1113
|
|
70
|
1114 if (rc == NGX_AGAIN) {
|
|
|
1115 return NGX_AGAIN;
|
|
|
1116 }
|
|
|
1117
|
|
58
|
1118 /* there was error while a header line parsing */
|
|
|
1119
|
|
|
1120 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
168
|
1121 "upstream sent invalid header");
|
|
58
|
1122
|
|
|
1123 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1124 }
|
|
|
1125 }
|
|
|
1126
|
|
|
1127
|
|
|
1128 static void
|
|
|
1129 ngx_http_proxy_abort_request(ngx_http_request_t *r)
|
|
|
1130 {
|
|
|
1131 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1132 "abort http proxy request");
|
|
126
|
1133
|
|
58
|
1134 return;
|
|
|
1135 }
|
|
|
1136
|
|
|
1137
|
|
|
1138 static void
|
|
|
1139 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
126
|
1140 {
|
|
58
|
1141 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1142 "finalize http proxy request");
|
|
|
1143
|
|
|
1144 return;
|
|
|
1145 }
|
|
|
1146
|
|
|
1147
|
|
122
|
1148 static ngx_int_t
|
|
|
1149 ngx_http_proxy_host_variable(ngx_http_request_t *r,
|
|
|
1150 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1151 {
|
|
|
1152 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1153
|
|
|
1154 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1155
|
|
122
|
1156 v->len = plcf->host_header.len;
|
|
126
|
1157 v->valid = 1;
|
|
122
|
1158 v->no_cachable = 0;
|
|
|
1159 v->not_found = 0;
|
|
|
1160 v->data = plcf->host_header.data;
|
|
58
|
1161
|
|
122
|
1162 return NGX_OK;
|
|
58
|
1163 }
|
|
|
1164
|
|
|
1165
|
|
122
|
1166 static ngx_int_t
|
|
|
1167 ngx_http_proxy_port_variable(ngx_http_request_t *r,
|
|
|
1168 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1169 {
|
|
|
1170 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1171
|
|
|
1172 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1173
|
|
122
|
1174 v->len = plcf->port_text.len;
|
|
126
|
1175 v->valid = 1;
|
|
122
|
1176 v->no_cachable = 0;
|
|
|
1177 v->not_found = 0;
|
|
|
1178 v->data = plcf->port_text.data;
|
|
58
|
1179
|
|
122
|
1180 return NGX_OK;
|
|
58
|
1181 }
|
|
|
1182
|
|
|
1183
|
|
122
|
1184 static ngx_int_t
|
|
58
|
1185 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
|
|
122
|
1186 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1187 {
|
|
122
|
1188 u_char *p;
|
|
58
|
1189
|
|
126
|
1190 v->valid = 1;
|
|
122
|
1191 v->no_cachable = 0;
|
|
|
1192 v->not_found = 0;
|
|
58
|
1193
|
|
|
1194 if (r->headers_in.x_forwarded_for == NULL) {
|
|
122
|
1195 v->len = r->connection->addr_text.len;
|
|
|
1196 v->data = r->connection->addr_text.data;
|
|
|
1197 return NGX_OK;
|
|
58
|
1198 }
|
|
|
1199
|
|
122
|
1200 v->len = r->headers_in.x_forwarded_for->value.len
|
|
|
1201 + sizeof(", ") - 1 + r->connection->addr_text.len;
|
|
58
|
1202
|
|
122
|
1203 p = ngx_palloc(r->pool, v->len);
|
|
58
|
1204 if (p == NULL) {
|
|
122
|
1205 return NGX_ERROR;
|
|
58
|
1206 }
|
|
|
1207
|
|
122
|
1208 v->data = p;
|
|
58
|
1209
|
|
122
|
1210 p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data,
|
|
|
1211 r->headers_in.x_forwarded_for->value.len);
|
|
58
|
1212
|
|
|
1213 *p++ = ','; *p++ = ' ';
|
|
|
1214
|
|
|
1215 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len);
|
|
|
1216
|
|
122
|
1217 return NGX_OK;
|
|
58
|
1218 }
|
|
|
1219
|
|
|
1220
|
|
|
1221 static ngx_int_t
|
|
126
|
1222 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
|
|
|
1223 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1224 {
|
|
|
1225 ngx_http_proxy_ctx_t *p;
|
|
|
1226
|
|
|
1227 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1228
|
|
|
1229 if (p == NULL) {
|
|
|
1230 v->not_found = 1;
|
|
|
1231 return NGX_OK;
|
|
|
1232 }
|
|
|
1233
|
|
|
1234 v->valid = 1;
|
|
|
1235 v->no_cachable = 0;
|
|
|
1236 v->not_found = 0;
|
|
|
1237
|
|
|
1238 v->data = ngx_palloc(r->connection->pool, NGX_SIZE_T_LEN);
|
|
|
1239
|
|
|
1240 if (v->data == NULL) {
|
|
|
1241 return NGX_ERROR;
|
|
|
1242 }
|
|
|
1243
|
|
|
1244 v->len = ngx_sprintf(v->data, "%uz", p->internal_body_length) - v->data;
|
|
|
1245
|
|
|
1246 return NGX_OK;
|
|
|
1247 }
|
|
|
1248
|
|
|
1249
|
|
|
1250 static ngx_int_t
|
|
58
|
1251 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1252 size_t prefix)
|
|
|
1253 {
|
|
|
1254 ngx_int_t rc;
|
|
|
1255 ngx_uint_t i;
|
|
|
1256 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1257 ngx_http_proxy_redirect_t *pr;
|
|
|
1258
|
|
|
1259 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1260
|
|
|
1261 pr = plcf->redirects->elts;
|
|
|
1262
|
|
|
1263 if (pr == NULL) {
|
|
|
1264 return NGX_DECLINED;
|
|
|
1265 }
|
|
|
1266
|
|
|
1267 for (i = 0; i < plcf->redirects->nelts; i++) {
|
|
154
|
1268 rc = pr[i].handler(r, h, prefix, &pr[i]);
|
|
58
|
1269
|
|
|
1270 if (rc != NGX_DECLINED) {
|
|
|
1271 return rc;
|
|
|
1272 }
|
|
|
1273 }
|
|
|
1274
|
|
|
1275 return NGX_DECLINED;
|
|
|
1276 }
|
|
|
1277
|
|
|
1278
|
|
|
1279 static ngx_int_t
|
|
|
1280 ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1281 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1282 {
|
|
|
1283 size_t len;
|
|
|
1284 u_char *data, *p;
|
|
|
1285
|
|
|
1286 if (pr->redirect.len > h->value.len - prefix
|
|
|
1287 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1288 pr->redirect.len) != 0)
|
|
|
1289 {
|
|
|
1290 return NGX_DECLINED;
|
|
|
1291 }
|
|
|
1292
|
|
|
1293 len = prefix + pr->replacement.text.len + h->value.len - pr->redirect.len;
|
|
|
1294
|
|
|
1295 data = ngx_palloc(r->pool, len);
|
|
|
1296 if (data == NULL) {
|
|
|
1297 return NGX_ERROR;
|
|
|
1298 }
|
|
|
1299
|
|
|
1300 p = data;
|
|
|
1301
|
|
122
|
1302 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1303
|
|
122
|
1304 p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len);
|
|
58
|
1305
|
|
|
1306 ngx_memcpy(p, h->value.data + prefix + pr->redirect.len,
|
|
|
1307 h->value.len - pr->redirect.len - prefix);
|
|
|
1308
|
|
|
1309 h->value.len = len;
|
|
|
1310 h->value.data = data;
|
|
|
1311
|
|
|
1312 return NGX_OK;
|
|
|
1313 }
|
|
|
1314
|
|
|
1315
|
|
|
1316 static ngx_int_t
|
|
|
1317 ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1318 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1319 {
|
|
|
1320 size_t len;
|
|
|
1321 u_char *data, *p;
|
|
|
1322 ngx_http_script_code_pt code;
|
|
|
1323 ngx_http_script_engine_t e;
|
|
|
1324 ngx_http_script_len_code_pt lcode;
|
|
|
1325
|
|
|
1326 if (pr->redirect.len > h->value.len - prefix
|
|
|
1327 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1328 pr->redirect.len) != 0)
|
|
|
1329 {
|
|
|
1330 return NGX_DECLINED;
|
|
|
1331 }
|
|
|
1332
|
|
|
1333 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
1334
|
|
|
1335 e.ip = pr->replacement.vars.lengths;
|
|
|
1336 e.request = r;
|
|
|
1337
|
|
|
1338 for (len = prefix; *(uintptr_t *) e.ip; len += lcode(&e)) {
|
|
|
1339 lcode = *(ngx_http_script_len_code_pt *) e.ip;
|
|
|
1340 }
|
|
|
1341
|
|
|
1342 data = ngx_palloc(r->pool, len);
|
|
|
1343 if (data == NULL) {
|
|
|
1344 return NGX_ERROR;
|
|
|
1345 }
|
|
|
1346
|
|
|
1347 p = data;
|
|
|
1348
|
|
122
|
1349 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1350
|
|
|
1351 e.ip = pr->replacement.vars.values;
|
|
|
1352 e.pos = p;
|
|
|
1353
|
|
|
1354 while (*(uintptr_t *) e.ip) {
|
|
|
1355 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1356 code(&e);
|
|
|
1357 }
|
|
|
1358
|
|
|
1359 h->value.len = len;
|
|
|
1360 h->value.data = data;
|
|
|
1361
|
|
|
1362 return NGX_OK;
|
|
|
1363 }
|
|
|
1364
|
|
|
1365
|
|
|
1366 static ngx_int_t
|
|
|
1367 ngx_http_proxy_add_variables(ngx_conf_t *cf)
|
|
|
1368 {
|
|
|
1369 ngx_http_variable_t *var, *v;
|
|
|
1370
|
|
|
1371 for (v = ngx_http_proxy_vars; v->name.len; v++) {
|
|
|
1372 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
1373 if (var == NULL) {
|
|
|
1374 return NGX_ERROR;
|
|
|
1375 }
|
|
|
1376
|
|
|
1377 var->handler = v->handler;
|
|
|
1378 var->data = v->data;
|
|
|
1379 }
|
|
|
1380
|
|
|
1381 return NGX_OK;
|
|
|
1382 }
|
|
|
1383
|
|
|
1384
|
|
|
1385 static void *
|
|
|
1386 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
|
|
|
1387 {
|
|
|
1388 ngx_http_proxy_loc_conf_t *conf;
|
|
|
1389
|
|
|
1390 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t));
|
|
|
1391 if (conf == NULL) {
|
|
|
1392 return NGX_CONF_ERROR;
|
|
|
1393 }
|
|
|
1394
|
|
|
1395 /*
|
|
|
1396 * set by ngx_pcalloc():
|
|
|
1397 *
|
|
|
1398 * conf->upstream.bufs.num = 0;
|
|
|
1399 * conf->upstream.next_upstream = 0;
|
|
|
1400 * conf->upstream.temp_path = NULL;
|
|
|
1401 * conf->upstream.schema = { 0, NULL };
|
|
|
1402 * conf->upstream.uri = { 0, NULL };
|
|
|
1403 * conf->upstream.location = NULL;
|
|
|
1404 *
|
|
110
|
1405 * conf->method = NULL;
|
|
58
|
1406 * conf->headers_source = NULL;
|
|
|
1407 * conf->headers_set_len = NULL;
|
|
|
1408 * conf->headers_set = NULL;
|
|
|
1409 * conf->headers_set_hash = NULL;
|
|
126
|
1410 * conf->body_set_len = NULL;
|
|
|
1411 * conf->body_set = NULL;
|
|
|
1412 * conf->body_source = { 0, NULL };
|
|
58
|
1413 * conf->rewrite_locations = NULL;
|
|
|
1414 */
|
|
126
|
1415
|
|
130
|
1416 conf->upstream.buffering = NGX_CONF_UNSET;
|
|
|
1417
|
|
58
|
1418 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1419 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1420 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1421
|
|
|
1422 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
130
|
1423 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
78
|
1424
|
|
|
1425 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
126
|
1426 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
78
|
1427 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
58
|
1428
|
|
110
|
1429 conf->upstream.max_fails = NGX_CONF_UNSET_UINT;
|
|
|
1430 conf->upstream.fail_timeout = NGX_CONF_UNSET;
|
|
|
1431
|
|
58
|
1432 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
|
1433 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
110
|
1434
|
|
58
|
1435 conf->upstream.redirect_errors = NGX_CONF_UNSET;
|
|
|
1436
|
|
|
1437 /* "proxy_cyclic_temp_file" is disabled */
|
|
|
1438 conf->upstream.cyclic_temp_file = 0;
|
|
|
1439
|
|
|
1440 conf->upstream.pass_x_powered_by = NGX_CONF_UNSET;
|
|
|
1441 conf->upstream.pass_server = NGX_CONF_UNSET;
|
|
|
1442 conf->upstream.pass_date = 0;
|
|
|
1443 conf->upstream.pass_x_accel_expires = NGX_CONF_UNSET;
|
|
|
1444
|
|
|
1445 conf->redirect = NGX_CONF_UNSET;
|
|
|
1446
|
|
|
1447 return conf;
|
|
|
1448 }
|
|
|
1449
|
|
|
1450
|
|
|
1451 static char *
|
|
|
1452 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1453 {
|
|
|
1454 ngx_http_proxy_loc_conf_t *prev = parent;
|
|
|
1455 ngx_http_proxy_loc_conf_t *conf = child;
|
|
|
1456
|
|
|
1457 u_char *p;
|
|
|
1458 size_t size;
|
|
|
1459 uintptr_t *code;
|
|
|
1460 ngx_str_t *name;
|
|
|
1461 ngx_uint_t i;
|
|
|
1462 ngx_table_elt_t *src, *s, *h;
|
|
|
1463 ngx_http_proxy_redirect_t *pr;
|
|
|
1464 ngx_http_script_compile_t sc;
|
|
|
1465 ngx_http_script_copy_code_t *copy;
|
|
|
1466
|
|
130
|
1467 ngx_conf_merge_value(conf->upstream.buffering,
|
|
|
1468 prev->upstream.buffering, 1);
|
|
|
1469
|
|
58
|
1470 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
1471 prev->upstream.connect_timeout, 60000);
|
|
|
1472
|
|
|
1473 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
1474 prev->upstream.send_timeout, 60000);
|
|
|
1475
|
|
|
1476 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
1477 prev->upstream.read_timeout, 60000);
|
|
|
1478
|
|
|
1479 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
|
1480 prev->upstream.send_lowat, 0);
|
|
|
1481
|
|
130
|
1482 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
|
1483 prev->upstream.buffer_size,
|
|
58
|
1484 (size_t) ngx_pagesize);
|
|
|
1485
|
|
|
1486 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
|
1487 8, ngx_pagesize);
|
|
|
1488
|
|
|
1489 if (conf->upstream.bufs.num < 2) {
|
|
126
|
1490 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
58
|
1491 "there must be at least 2 \"proxy_buffers\"");
|
|
|
1492 return NGX_CONF_ERROR;
|
|
|
1493 }
|
|
126
|
1494
|
|
58
|
1495
|
|
130
|
1496 size = conf->upstream.buffer_size;
|
|
126
|
1497 if (size < conf->upstream.bufs.size) {
|
|
58
|
1498 size = conf->upstream.bufs.size;
|
|
|
1499 }
|
|
|
1500
|
|
|
1501
|
|
78
|
1502 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
|
1503 prev->upstream.busy_buffers_size_conf,
|
|
58
|
1504 NGX_CONF_UNSET_SIZE);
|
|
|
1505
|
|
78
|
1506 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1507 conf->upstream.busy_buffers_size = 2 * size;
|
|
78
|
1508 } else {
|
|
|
1509 conf->upstream.busy_buffers_size =
|
|
|
1510 conf->upstream.busy_buffers_size_conf;
|
|
|
1511 }
|
|
126
|
1512
|
|
78
|
1513 if (conf->upstream.busy_buffers_size < size) {
|
|
58
|
1514 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1515 "\"proxy_busy_buffers_size\" must be equal or bigger than "
|
|
|
1516 "maximum of the value of \"proxy_header_buffer_size\" and "
|
|
|
1517 "one of the \"proxy_buffers\"");
|
|
|
1518
|
|
|
1519 return NGX_CONF_ERROR;
|
|
78
|
1520 }
|
|
58
|
1521
|
|
78
|
1522 if (conf->upstream.busy_buffers_size
|
|
|
1523 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
58
|
1524 {
|
|
|
1525 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1526 "\"proxy_busy_buffers_size\" must be less than "
|
|
|
1527 "the size of all \"proxy_buffers\" minus one buffer");
|
|
|
1528
|
|
|
1529 return NGX_CONF_ERROR;
|
|
|
1530 }
|
|
78
|
1531
|
|
58
|
1532
|
|
78
|
1533 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
|
1534 prev->upstream.temp_file_write_size_conf,
|
|
58
|
1535 NGX_CONF_UNSET_SIZE);
|
|
|
1536
|
|
78
|
1537 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1538 conf->upstream.temp_file_write_size = 2 * size;
|
|
78
|
1539 } else {
|
|
|
1540 conf->upstream.temp_file_write_size =
|
|
|
1541 conf->upstream.temp_file_write_size_conf;
|
|
|
1542 }
|
|
126
|
1543
|
|
78
|
1544 if (conf->upstream.temp_file_write_size < size) {
|
|
58
|
1545 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1546 "\"proxy_temp_file_write_size\" must be equal or bigger than "
|
|
|
1547 "maximum of the value of \"proxy_header_buffer_size\" and "
|
|
|
1548 "one of the \"proxy_buffers\"");
|
|
|
1549
|
|
|
1550 return NGX_CONF_ERROR;
|
|
|
1551 }
|
|
|
1552
|
|
78
|
1553 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
|
1554 prev->upstream.max_temp_file_size_conf,
|
|
58
|
1555 NGX_CONF_UNSET_SIZE);
|
|
|
1556
|
|
78
|
1557 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1558 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
78
|
1559 } else {
|
|
|
1560 conf->upstream.max_temp_file_size =
|
|
|
1561 conf->upstream.max_temp_file_size_conf;
|
|
|
1562 }
|
|
58
|
1563
|
|
78
|
1564 if (conf->upstream.max_temp_file_size != 0
|
|
|
1565 && conf->upstream.max_temp_file_size < size)
|
|
58
|
1566 {
|
|
|
1567 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
110
|
1568 "\"proxy_max_temp_file_size\" must be equal to zero to disable "
|
|
58
|
1569 "the temporary files usage or must be equal or bigger than "
|
|
110
|
1570 "maximum of the value of \"proxy_header_buffer_size\" and "
|
|
|
1571 "one of the \"proxy_buffers\"");
|
|
58
|
1572
|
|
|
1573 return NGX_CONF_ERROR;
|
|
|
1574 }
|
|
|
1575
|
|
78
|
1576
|
|
58
|
1577 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
1578 prev->upstream.next_upstream,
|
|
|
1579 (NGX_CONF_BITMASK_SET
|
|
|
1580 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
1581 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
1582
|
|
110
|
1583 ngx_conf_merge_unsigned_value(conf->upstream.max_fails,
|
|
|
1584 prev->upstream.max_fails, 1);
|
|
|
1585
|
|
|
1586 ngx_conf_merge_sec_value(conf->upstream.fail_timeout,
|
|
|
1587 prev->upstream.fail_timeout, 10);
|
|
|
1588
|
|
|
1589 if (conf->peers && conf->peers->number > 1) {
|
|
|
1590 for (i = 0; i < conf->peers->number; i++) {
|
|
|
1591 conf->peers->peer[i].weight = 1;
|
|
|
1592 conf->peers->peer[i].max_fails = conf->upstream.max_fails;
|
|
|
1593 conf->peers->peer[i].fail_timeout = conf->upstream.fail_timeout;
|
|
|
1594 }
|
|
|
1595 }
|
|
|
1596
|
|
58
|
1597 ngx_conf_merge_path_value(conf->upstream.temp_path,
|
|
|
1598 prev->upstream.temp_path,
|
|
|
1599 NGX_HTTP_PROXY_TEMP_PATH, 1, 2, 0,
|
|
|
1600 ngx_garbage_collector_temp_handler, cf);
|
|
|
1601
|
|
110
|
1602 if (conf->method.len == 0) {
|
|
|
1603 conf->method = prev->method;
|
|
|
1604
|
|
|
1605 } else {
|
|
|
1606 conf->method.data[conf->method.len] = ' ';
|
|
|
1607 conf->method.len++;
|
|
58
|
1608 }
|
|
|
1609
|
|
|
1610 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
|
1611 prev->upstream.pass_request_headers, 1);
|
|
|
1612 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
|
1613 prev->upstream.pass_request_body, 1);
|
|
|
1614
|
|
78
|
1615 ngx_conf_merge_value(conf->upstream.redirect_errors,
|
|
58
|
1616 prev->upstream.redirect_errors, 0);
|
|
|
1617
|
|
78
|
1618 ngx_conf_merge_value(conf->upstream.pass_x_powered_by,
|
|
58
|
1619 prev->upstream.pass_x_powered_by, 1);
|
|
78
|
1620 ngx_conf_merge_value(conf->upstream.pass_server,
|
|
58
|
1621 prev->upstream.pass_server, 0);
|
|
78
|
1622 ngx_conf_merge_value(conf->upstream.pass_x_accel_expires,
|
|
58
|
1623 prev->upstream.pass_x_accel_expires, 0);
|
|
|
1624
|
|
|
1625
|
|
|
1626 ngx_conf_merge_value(conf->redirect, prev->redirect, 1);
|
|
|
1627
|
|
|
1628 if (conf->redirect) {
|
|
|
1629
|
|
|
1630 if (conf->redirects == NULL) {
|
|
|
1631 conf->redirects = prev->redirects;
|
|
|
1632 }
|
|
|
1633
|
|
|
1634 if (conf->redirects == NULL && conf->upstream.url.data) {
|
|
|
1635
|
|
|
1636 conf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
1637 sizeof(ngx_http_proxy_redirect_t));
|
|
|
1638 if (conf->redirects == NULL) {
|
|
|
1639 return NGX_CONF_ERROR;
|
|
|
1640 }
|
|
|
1641
|
|
|
1642 pr = ngx_array_push(conf->redirects);
|
|
|
1643 if (pr == NULL) {
|
|
|
1644 return NGX_CONF_ERROR;
|
|
|
1645 }
|
|
|
1646
|
|
|
1647 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
1648 pr->redirect = conf->upstream.url;
|
|
122
|
1649 pr->replacement.text = conf->upstream.location;
|
|
58
|
1650 }
|
|
|
1651 }
|
|
|
1652
|
|
|
1653
|
|
|
1654 if (conf->peers == NULL) {
|
|
|
1655 conf->peers = prev->peers;
|
|
|
1656 }
|
|
|
1657
|
|
126
|
1658
|
|
|
1659 if (conf->body_source.data == NULL) {
|
|
|
1660 conf->body_source = prev->body_source;
|
|
|
1661 conf->body_set_len = prev->body_set_len;
|
|
|
1662 conf->body_set = prev->body_set;
|
|
|
1663 }
|
|
|
1664
|
|
128
|
1665 if (conf->body_source.data && conf->body_set_len == NULL) {
|
|
126
|
1666
|
|
|
1667 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1668
|
|
|
1669 sc.cf = cf;
|
|
|
1670 sc.source = &conf->body_source;
|
|
|
1671 sc.flushes = &conf->flushes;
|
|
|
1672 sc.lengths = &conf->body_set_len;
|
|
|
1673 sc.values = &conf->body_set;
|
|
|
1674 sc.complete_lengths = 1;
|
|
|
1675 sc.complete_values = 1;
|
|
|
1676
|
|
|
1677 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1678 return NGX_CONF_ERROR;
|
|
|
1679 }
|
|
|
1680
|
|
|
1681 if (conf->headers_source == NULL) {
|
|
|
1682 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
|
1683 sizeof(ngx_table_elt_t));
|
|
|
1684 if (conf->headers_source == NULL) {
|
|
|
1685 return NGX_CONF_ERROR;
|
|
|
1686 }
|
|
|
1687 }
|
|
|
1688
|
|
|
1689 s = ngx_array_push(conf->headers_source);
|
|
|
1690 if (s == NULL) {
|
|
|
1691 return NGX_CONF_ERROR;
|
|
|
1692 }
|
|
|
1693
|
|
|
1694 s->hash = 0;
|
|
|
1695 s->key.len = sizeof("Content-Length") - 1;
|
|
|
1696 s->key.data = (u_char *) "Content-Length";
|
|
|
1697 s->value.len = sizeof("$proxy_internal_body_length") - 1;
|
|
|
1698 s->value.data = (u_char *) "$proxy_internal_body_length";
|
|
|
1699 }
|
|
|
1700
|
|
|
1701
|
|
58
|
1702 if (conf->headers_source == NULL) {
|
|
122
|
1703 conf->flushes = prev->flushes;
|
|
58
|
1704 conf->headers_set_len = prev->headers_set_len;
|
|
|
1705 conf->headers_set = prev->headers_set;
|
|
|
1706 conf->headers_set_hash = prev->headers_set_hash;
|
|
122
|
1707 conf->headers_source = prev->headers_source;
|
|
58
|
1708 }
|
|
|
1709
|
|
|
1710 if (conf->headers_set_hash) {
|
|
|
1711 return NGX_CONF_OK;
|
|
|
1712 }
|
|
|
1713
|
|
|
1714
|
|
|
1715 conf->headers_names = ngx_array_create(cf->pool, 4, sizeof(ngx_str_t));
|
|
|
1716 if (conf->headers_names == NULL) {
|
|
|
1717 return NGX_CONF_ERROR;
|
|
|
1718 }
|
|
|
1719
|
|
|
1720 if (conf->headers_source == NULL) {
|
|
|
1721 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
|
1722 sizeof(ngx_table_elt_t));
|
|
|
1723 if (conf->headers_source == NULL) {
|
|
|
1724 return NGX_CONF_ERROR;
|
|
|
1725 }
|
|
|
1726 }
|
|
|
1727
|
|
|
1728 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1);
|
|
|
1729 if (conf->headers_set_len == NULL) {
|
|
|
1730 return NGX_CONF_ERROR;
|
|
|
1731 }
|
|
|
1732
|
|
|
1733 conf->headers_set = ngx_array_create(cf->pool, 512, 1);
|
|
|
1734 if (conf->headers_set == NULL) {
|
|
|
1735 return NGX_CONF_ERROR;
|
|
|
1736 }
|
|
|
1737
|
|
|
1738
|
|
|
1739 src = conf->headers_source->elts;
|
|
|
1740
|
|
|
1741 for (h = ngx_http_proxy_headers; h->key.len; h++) {
|
|
|
1742
|
|
|
1743 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
1744 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
|
1745 goto next;
|
|
|
1746 }
|
|
|
1747 }
|
|
|
1748
|
|
|
1749 s = ngx_array_push(conf->headers_source);
|
|
|
1750 if (s == NULL) {
|
|
|
1751 return NGX_CONF_ERROR;
|
|
|
1752 }
|
|
|
1753
|
|
|
1754 *s = *h;
|
|
|
1755
|
|
66
|
1756 src = conf->headers_source->elts;
|
|
|
1757
|
|
58
|
1758 next:
|
|
|
1759
|
|
|
1760 continue;
|
|
|
1761 }
|
|
|
1762
|
|
126
|
1763
|
|
|
1764 src = conf->headers_source->elts;
|
|
58
|
1765 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
1766
|
|
|
1767 name = ngx_array_push(conf->headers_names);
|
|
|
1768 if (name == NULL) {
|
|
|
1769 return NGX_CONF_ERROR;
|
|
|
1770 }
|
|
|
1771
|
|
|
1772 *name = src[i].key;
|
|
|
1773
|
|
68
|
1774 if (src[i].value.len == 0) {
|
|
|
1775 continue;
|
|
|
1776 }
|
|
|
1777
|
|
58
|
1778 if (ngx_http_script_variables_count(&src[i].value) == 0) {
|
|
|
1779 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
1780 sizeof(ngx_http_script_copy_code_t));
|
|
|
1781 if (copy == NULL) {
|
|
|
1782 return NGX_CONF_ERROR;
|
|
|
1783 }
|
|
|
1784
|
|
|
1785 copy->code = (ngx_http_script_code_pt)
|
|
|
1786 ngx_http_script_copy_len_code;
|
|
|
1787 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
1788 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
1789
|
|
|
1790
|
|
|
1791 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1792 + src[i].key.len + sizeof(": ") - 1
|
|
|
1793 + src[i].value.len + sizeof(CRLF) - 1
|
|
|
1794 + sizeof(uintptr_t) - 1)
|
|
|
1795 & ~(sizeof(uintptr_t) - 1);
|
|
|
1796
|
|
|
1797 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
1798 if (copy == NULL) {
|
|
|
1799 return NGX_CONF_ERROR;
|
|
|
1800 }
|
|
|
1801
|
|
|
1802 copy->code = ngx_http_script_copy_code;
|
|
|
1803 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
1804 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
1805
|
|
|
1806 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
1807
|
|
|
1808 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
1809 *p++ = ':'; *p++ = ' ';
|
|
|
1810 p = ngx_cpymem(p, src[i].value.data, src[i].value.len);
|
|
|
1811 *p++ = CR; *p = LF;
|
|
|
1812
|
|
|
1813 } else {
|
|
|
1814 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
1815 sizeof(ngx_http_script_copy_code_t));
|
|
|
1816 if (copy == NULL) {
|
|
|
1817 return NGX_CONF_ERROR;
|
|
|
1818 }
|
|
|
1819
|
|
|
1820 copy->code = (ngx_http_script_code_pt)
|
|
|
1821 ngx_http_script_copy_len_code;
|
|
|
1822 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
1823
|
|
|
1824
|
|
|
1825 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1826 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1)
|
|
|
1827 & ~(sizeof(uintptr_t) - 1);
|
|
|
1828
|
|
|
1829 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
1830 if (copy == NULL) {
|
|
|
1831 return NGX_CONF_ERROR;
|
|
|
1832 }
|
|
|
1833
|
|
|
1834 copy->code = ngx_http_script_copy_code;
|
|
|
1835 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
1836
|
|
|
1837 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
1838 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
1839 *p++ = ':'; *p = ' ';
|
|
|
1840
|
|
|
1841
|
|
|
1842 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1843
|
|
|
1844 sc.cf = cf;
|
|
|
1845 sc.source = &src[i].value;
|
|
122
|
1846 sc.flushes = &conf->flushes;
|
|
58
|
1847 sc.lengths = &conf->headers_set_len;
|
|
|
1848 sc.values = &conf->headers_set;
|
|
|
1849
|
|
|
1850 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1851 return NGX_CONF_ERROR;
|
|
|
1852 }
|
|
|
1853
|
|
|
1854
|
|
|
1855 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
1856 sizeof(ngx_http_script_copy_code_t));
|
|
|
1857 if (copy == NULL) {
|
|
|
1858 return NGX_CONF_ERROR;
|
|
|
1859 }
|
|
|
1860
|
|
|
1861 copy->code = (ngx_http_script_code_pt)
|
|
|
1862 ngx_http_script_copy_len_code;
|
|
|
1863 copy->len = sizeof(CRLF) - 1;
|
|
|
1864
|
|
|
1865
|
|
|
1866 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1867 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1)
|
|
|
1868 & ~(sizeof(uintptr_t) - 1);
|
|
|
1869
|
|
|
1870 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
1871 if (copy == NULL) {
|
|
|
1872 return NGX_CONF_ERROR;
|
|
|
1873 }
|
|
|
1874
|
|
|
1875 copy->code = ngx_http_script_copy_code;
|
|
|
1876 copy->len = sizeof(CRLF) - 1;
|
|
|
1877
|
|
|
1878 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
1879 *p++ = CR; *p = LF;
|
|
|
1880 }
|
|
|
1881
|
|
|
1882 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
1883 if (code == NULL) {
|
|
|
1884 return NGX_CONF_ERROR;
|
|
|
1885 }
|
|
|
1886
|
|
|
1887 *code = (uintptr_t) NULL;
|
|
|
1888
|
|
|
1889 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t));
|
|
|
1890 if (code == NULL) {
|
|
|
1891 return NGX_CONF_ERROR;
|
|
|
1892 }
|
|
|
1893
|
|
|
1894 *code = (uintptr_t) NULL;
|
|
|
1895 }
|
|
|
1896
|
|
|
1897 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
1898 if (code == NULL) {
|
|
|
1899 return NGX_CONF_ERROR;
|
|
|
1900 }
|
|
|
1901
|
|
|
1902 *code = (uintptr_t) NULL;
|
|
|
1903
|
|
|
1904
|
|
138
|
1905 conf->headers_set_hash = ngx_pcalloc(cf->pool, sizeof(ngx_hash0_t));
|
|
58
|
1906 if (conf->headers_set_hash == NULL) {
|
|
|
1907 return NGX_CONF_ERROR;
|
|
|
1908 }
|
|
|
1909
|
|
|
1910 conf->headers_set_hash->max_size = 100;
|
|
|
1911 conf->headers_set_hash->bucket_limit = 1;
|
|
|
1912 conf->headers_set_hash->bucket_size = sizeof(ngx_str_t);
|
|
|
1913 conf->headers_set_hash->name = "proxy_headers";
|
|
|
1914
|
|
138
|
1915 if (ngx_hash0_init(conf->headers_set_hash, cf->pool,
|
|
|
1916 conf->headers_names->elts, conf->headers_names->nelts)
|
|
|
1917 != NGX_OK)
|
|
58
|
1918 {
|
|
|
1919 return NGX_CONF_ERROR;
|
|
|
1920 }
|
|
|
1921
|
|
|
1922 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, cf->log, 0,
|
|
|
1923 "proxy_headers hash size: %ui, "
|
|
|
1924 "max buckets per entry: %ui",
|
|
|
1925 conf->headers_set_hash->hash_size,
|
|
|
1926 conf->headers_set_hash->min_buckets);
|
|
|
1927
|
|
|
1928 return NGX_CONF_OK;
|
|
|
1929 }
|
|
|
1930
|
|
|
1931
|
|
|
1932 static char *
|
|
|
1933 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1934 {
|
|
|
1935 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
1936
|
|
126
|
1937 size_t add;
|
|
142
|
1938 u_short port;
|
|
58
|
1939 ngx_str_t *value, *url;
|
|
|
1940 ngx_inet_upstream_t inet_upstream;
|
|
|
1941 ngx_http_core_loc_conf_t *clcf;
|
|
126
|
1942 #if (NGX_HTTP_SSL)
|
|
|
1943 ngx_pool_cleanup_t *cln;
|
|
|
1944 #endif
|
|
58
|
1945 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
1946 ngx_unix_domain_upstream_t unix_upstream;
|
|
|
1947 #endif
|
|
|
1948
|
|
104
|
1949 if (plcf->upstream.schema.len) {
|
|
|
1950 return "is duplicate";
|
|
|
1951 }
|
|
|
1952
|
|
58
|
1953 value = cf->args->elts;
|
|
|
1954
|
|
|
1955 url = &value[1];
|
|
|
1956
|
|
126
|
1957 if (ngx_strncasecmp(url->data, "http://", 7) == 0) {
|
|
|
1958 add = 7;
|
|
140
|
1959 port = 80;
|
|
126
|
1960
|
|
|
1961 } else if (ngx_strncasecmp(url->data, "https://", 8) == 0) {
|
|
|
1962
|
|
|
1963 #if (NGX_HTTP_SSL)
|
|
|
1964
|
|
|
1965 add = 8;
|
|
140
|
1966 port = 443;
|
|
126
|
1967
|
|
|
1968 plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t));
|
|
|
1969 if (plcf->upstream.ssl == NULL) {
|
|
|
1970 return NGX_CONF_ERROR;
|
|
|
1971 }
|
|
|
1972
|
|
|
1973 plcf->upstream.ssl->log = cf->log;
|
|
|
1974
|
|
|
1975 if (ngx_ssl_create(plcf->upstream.ssl,
|
|
|
1976 NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1)
|
|
|
1977 != NGX_OK)
|
|
|
1978 {
|
|
|
1979 return NGX_CONF_ERROR;
|
|
|
1980 }
|
|
|
1981
|
|
|
1982 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
1983 if (cln == NULL) {
|
|
|
1984 return NGX_CONF_ERROR;
|
|
|
1985 }
|
|
|
1986
|
|
|
1987 cln->handler = ngx_ssl_cleanup_ctx;
|
|
|
1988 cln->data = plcf->upstream.ssl;
|
|
|
1989
|
|
|
1990 #else
|
|
|
1991 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1992 "https protocol requires SSL support");
|
|
|
1993 return NGX_CONF_ERROR;
|
|
|
1994 #endif
|
|
|
1995
|
|
|
1996 } else {
|
|
58
|
1997 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix");
|
|
|
1998 return NGX_CONF_ERROR;
|
|
|
1999 }
|
|
|
2000
|
|
126
|
2001 if (ngx_strncasecmp(url->data + add, "unix:", 5) == 0) {
|
|
58
|
2002
|
|
|
2003 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
2004
|
|
|
2005 ngx_memzero(&unix_upstream, sizeof(ngx_unix_domain_upstream_t));
|
|
|
2006
|
|
|
2007 unix_upstream.name = *url;
|
|
126
|
2008 unix_upstream.url.len = url->len - add;
|
|
|
2009 unix_upstream.url.data = url->data + add;
|
|
58
|
2010 unix_upstream.uri_part = 1;
|
|
|
2011
|
|
|
2012 plcf->peers = ngx_unix_upstream_parse(cf, &unix_upstream);
|
|
|
2013 if (plcf->peers == NULL) {
|
|
|
2014 return NGX_CONF_ERROR;
|
|
|
2015 }
|
|
|
2016
|
|
|
2017 plcf->host_header.len = sizeof("localhost") - 1;
|
|
|
2018 plcf->host_header.data = (u_char *) "localhost";
|
|
|
2019 plcf->upstream.uri = unix_upstream.uri;
|
|
|
2020
|
|
|
2021 #else
|
|
|
2022 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2023 "the unix domain sockets are not supported "
|
|
|
2024 "on this platform");
|
|
|
2025 return NGX_CONF_ERROR;
|
|
|
2026
|
|
|
2027 #endif
|
|
|
2028
|
|
|
2029 } else {
|
|
|
2030 ngx_memzero(&inet_upstream, sizeof(ngx_inet_upstream_t));
|
|
|
2031
|
|
|
2032 inet_upstream.name = *url;
|
|
126
|
2033 inet_upstream.url.len = url->len - add;
|
|
|
2034 inet_upstream.url.data = url->data + add;
|
|
140
|
2035 inet_upstream.default_port_value = port;
|
|
58
|
2036 inet_upstream.uri_part = 1;
|
|
|
2037
|
|
|
2038 plcf->peers = ngx_inet_upstream_parse(cf, &inet_upstream);
|
|
|
2039 if (plcf->peers == NULL) {
|
|
|
2040 return NGX_CONF_ERROR;
|
|
|
2041 }
|
|
|
2042
|
|
|
2043 plcf->host_header = inet_upstream.host_header;
|
|
|
2044 plcf->port_text = inet_upstream.port_text;
|
|
|
2045 plcf->upstream.uri = inet_upstream.uri;
|
|
|
2046 }
|
|
|
2047
|
|
140
|
2048 plcf->upstream.schema.len = add;
|
|
|
2049 plcf->upstream.schema.data = url->data;
|
|
58
|
2050
|
|
|
2051 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
2052
|
|
|
2053 clcf->handler = ngx_http_proxy_handler;
|
|
|
2054
|
|
122
|
2055 plcf->upstream.location = clcf->name;
|
|
104
|
2056
|
|
58
|
2057 #if (NGX_PCRE)
|
|
104
|
2058
|
|
122
|
2059 if (clcf->regex) {
|
|
|
2060 if (plcf->upstream.uri.len) {
|
|
|
2061 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2062 "\"proxy_pass\" may not have URI part in "
|
|
|
2063 "location given by regular expression");
|
|
|
2064 return NGX_CONF_ERROR;
|
|
|
2065 }
|
|
|
2066
|
|
|
2067 plcf->upstream.location.len = 0;
|
|
104
|
2068 }
|
|
|
2069
|
|
58
|
2070 #endif
|
|
|
2071
|
|
|
2072 plcf->upstream.url = *url;
|
|
|
2073
|
|
|
2074 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
2075 clcf->auto_redirect = 1;
|
|
|
2076 }
|
|
|
2077
|
|
|
2078 return NGX_CONF_OK;
|
|
|
2079 }
|
|
|
2080
|
|
|
2081
|
|
|
2082 static char *
|
|
|
2083 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2084 {
|
|
|
2085 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2086
|
|
|
2087 ngx_str_t *value;
|
|
|
2088 ngx_array_t *vars_lengths, *vars_values;
|
|
|
2089 ngx_http_script_compile_t sc;
|
|
|
2090 ngx_http_proxy_redirect_t *pr;
|
|
|
2091
|
|
|
2092 if (plcf->redirect == 0) {
|
|
|
2093 return NGX_CONF_OK;
|
|
|
2094 }
|
|
|
2095
|
|
|
2096 value = cf->args->elts;
|
|
|
2097
|
|
|
2098 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2099 plcf->redirect = 0;
|
|
|
2100 plcf->redirects = NULL;
|
|
|
2101 return NGX_CONF_OK;
|
|
|
2102 }
|
|
|
2103
|
|
|
2104 if (plcf->redirects == NULL) {
|
|
|
2105 plcf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
2106 sizeof(ngx_http_proxy_redirect_t));
|
|
|
2107 if (plcf->redirects == NULL) {
|
|
|
2108 return NGX_CONF_ERROR;
|
|
|
2109 }
|
|
|
2110 }
|
|
|
2111
|
|
|
2112 pr = ngx_array_push(plcf->redirects);
|
|
|
2113 if (pr == NULL) {
|
|
|
2114 return NGX_CONF_ERROR;
|
|
|
2115 }
|
|
|
2116
|
|
|
2117 if (cf->args->nelts == 2 && ngx_strcmp(value[1].data, "default") == 0) {
|
|
|
2118 if (plcf->upstream.url.data == NULL) {
|
|
|
2119 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2120 "\"proxy_rewrite_location default\" must go "
|
|
|
2121 "after the \"proxy_pass\" directive");
|
|
|
2122 return NGX_CONF_ERROR;
|
|
|
2123 }
|
|
|
2124
|
|
|
2125 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2126 pr->redirect = plcf->upstream.url;
|
|
122
|
2127 pr->replacement.text = plcf->upstream.location;
|
|
58
|
2128
|
|
|
2129 return NGX_CONF_OK;
|
|
|
2130 }
|
|
|
2131
|
|
|
2132 if (ngx_http_script_variables_count(&value[2]) == 0) {
|
|
|
2133 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2134 pr->redirect = value[1];
|
|
|
2135 pr->replacement.text = value[2];
|
|
|
2136
|
|
|
2137 return NGX_CONF_OK;
|
|
|
2138 }
|
|
|
2139
|
|
|
2140 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2141
|
|
|
2142 vars_lengths = NULL;
|
|
|
2143 vars_values = NULL;
|
|
|
2144
|
|
|
2145 sc.cf = cf;
|
|
|
2146 sc.source = &value[2];
|
|
|
2147 sc.lengths = &vars_lengths;
|
|
|
2148 sc.values = &vars_values;
|
|
|
2149 sc.complete_lengths = 1;
|
|
|
2150 sc.complete_values = 1;
|
|
|
2151
|
|
|
2152 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2153 return NGX_CONF_ERROR;
|
|
|
2154 }
|
|
|
2155
|
|
|
2156 pr->handler = ngx_http_proxy_rewrite_redirect_vars;
|
|
|
2157 pr->redirect = value[1];
|
|
|
2158 pr->replacement.vars.lengths = vars_lengths->elts;
|
|
|
2159 pr->replacement.vars.values = vars_values->elts;
|
|
|
2160
|
|
|
2161 return NGX_CONF_OK;
|
|
|
2162 }
|
|
|
2163
|
|
|
2164
|
|
|
2165 static char *
|
|
|
2166 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data)
|
|
|
2167 {
|
|
|
2168 #if (NGX_FREEBSD)
|
|
|
2169 ssize_t *np = data;
|
|
|
2170
|
|
|
2171 if (*np >= ngx_freebsd_net_inet_tcp_sendspace) {
|
|
|
2172 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2173 "\"proxy_send_lowat\" must be less than %d "
|
|
|
2174 "(sysctl net.inet.tcp.sendspace)",
|
|
|
2175 ngx_freebsd_net_inet_tcp_sendspace);
|
|
|
2176
|
|
|
2177 return NGX_CONF_ERROR;
|
|
|
2178 }
|
|
|
2179
|
|
|
2180 #elif !(NGX_HAVE_SO_SNDLOWAT)
|
|
|
2181 ssize_t *np = data;
|
|
|
2182
|
|
|
2183 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
2184 "\"proxy_send_lowat\" is not supported, ignored");
|
|
|
2185
|
|
|
2186 *np = 0;
|
|
|
2187
|
|
|
2188 #endif
|
|
|
2189
|
|
|
2190 return NGX_CONF_OK;
|
|
|
2191 }
|
