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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
|
|
176
|
490 loc_len = (r->valid_location && u->conf->uri.len) ? u->conf->location.len:
|
|
|
491 0;
|
|
58
|
492
|
|
158
|
493 if (u->conf->uri.len == 0 && r->valid_unparsed_uri && r == r->main) {
|
|
|
494 unparsed_uri = 1;
|
|
88
|
495 len += r->unparsed_uri.len;
|
|
58
|
496
|
|
|
497 } else {
|
|
158
|
498 unparsed_uri = 0;
|
|
58
|
499 if (r->quoted_uri) {
|
|
|
500 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
|
|
|
501 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
502 }
|
|
|
503
|
|
|
504 len += r->uri.len - loc_len + escape + sizeof("?") - 1 + r->args.len;
|
|
|
505 }
|
|
|
506
|
|
122
|
507 ngx_http_script_flush_no_cachable_variables(r, plcf->flushes);
|
|
|
508
|
|
126
|
509 if (plcf->body_set_len) {
|
|
|
510 le.ip = plcf->body_set_len->elts;
|
|
|
511 le.request = r;
|
|
|
512 le.flushed = 1;
|
|
|
513 body_len = 0;
|
|
|
514
|
|
|
515 while (*(uintptr_t *) le.ip) {
|
|
|
516 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
517 body_len += lcode(&le);
|
|
|
518 }
|
|
|
519
|
|
|
520 p->internal_body_length = body_len;
|
|
|
521 len += body_len;
|
|
|
522 }
|
|
|
523
|
|
58
|
524 le.ip = plcf->headers_set_len->elts;
|
|
|
525 le.request = r;
|
|
122
|
526 le.flushed = 1;
|
|
58
|
527
|
|
|
528 while (*(uintptr_t *) le.ip) {
|
|
|
529 while (*(uintptr_t *) le.ip) {
|
|
|
530 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
531 len += lcode(&le);
|
|
|
532 }
|
|
|
533 le.ip += sizeof(uintptr_t);
|
|
|
534 }
|
|
|
535
|
|
|
536
|
|
|
537 hh = (ngx_str_t *) plcf->headers_set_hash->buckets;
|
|
|
538
|
|
|
539 if (plcf->upstream.pass_request_headers) {
|
|
|
540 part = &r->headers_in.headers.part;
|
|
|
541 header = part->elts;
|
|
|
542
|
|
|
543 for (i = 0; /* void */; i++) {
|
|
|
544
|
|
|
545 if (i >= part->nelts) {
|
|
|
546 if (part->next == NULL) {
|
|
|
547 break;
|
|
|
548 }
|
|
|
549
|
|
|
550 part = part->next;
|
|
|
551 header = part->elts;
|
|
126
|
552 i = 0;
|
|
58
|
553 }
|
|
|
554
|
|
|
555 key = header[i].hash % plcf->headers_set_hash->hash_size;
|
|
|
556
|
|
|
557 if (hh[key].len == header[i].key.len
|
|
|
558 && ngx_strcasecmp(hh[key].data, header[i].key.data) == 0)
|
|
|
559 {
|
|
|
560 continue;
|
|
|
561 }
|
|
|
562
|
|
|
563 len += header[i].key.len + sizeof(": ") - 1
|
|
|
564 + header[i].value.len + sizeof(CRLF) - 1;
|
|
|
565 }
|
|
|
566 }
|
|
|
567
|
|
|
568
|
|
|
569 b = ngx_create_temp_buf(r->pool, len);
|
|
|
570 if (b == NULL) {
|
|
|
571 return NGX_ERROR;
|
|
|
572 }
|
|
|
573
|
|
|
574 cl = ngx_alloc_chain_link(r->pool);
|
|
|
575 if (cl == NULL) {
|
|
|
576 return NGX_ERROR;
|
|
|
577 }
|
|
|
578
|
|
|
579 cl->buf = b;
|
|
|
580
|
|
|
581
|
|
|
582 /* the request line */
|
|
|
583
|
|
122
|
584 b->last = ngx_copy(b->last, method.data, method.len);
|
|
58
|
585
|
|
104
|
586 u->uri.data = b->last;
|
|
|
587
|
|
158
|
588 if (unparsed_uri) {
|
|
122
|
589 b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len);
|
|
|
590
|
|
58
|
591 } else {
|
|
104
|
592 if (r->valid_location) {
|
|
122
|
593 b->last = ngx_copy(b->last, u->conf->uri.data, u->conf->uri.len);
|
|
104
|
594 }
|
|
100
|
595
|
|
58
|
596 if (escape) {
|
|
|
597 ngx_escape_uri(b->last, r->uri.data + loc_len,
|
|
|
598 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
599 b->last += r->uri.len - loc_len + escape;
|
|
|
600
|
|
126
|
601 } else {
|
|
122
|
602 b->last = ngx_copy(b->last, r->uri.data + loc_len,
|
|
|
603 r->uri.len - loc_len);
|
|
58
|
604 }
|
|
|
605
|
|
|
606 if (r->args.len > 0) {
|
|
|
607 *b->last++ = '?';
|
|
122
|
608 b->last = ngx_copy(b->last, r->args.data, r->args.len);
|
|
58
|
609 }
|
|
|
610 }
|
|
|
611
|
|
104
|
612 u->uri.len = b->last - u->uri.data;
|
|
|
613
|
|
58
|
614 b->last = ngx_cpymem(b->last, ngx_http_proxy_version,
|
|
|
615 sizeof(ngx_http_proxy_version) - 1);
|
|
|
616
|
|
126
|
617 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
58
|
618
|
|
|
619 e.ip = plcf->headers_set->elts;
|
|
|
620 e.pos = b->last;
|
|
|
621 e.request = r;
|
|
122
|
622 e.flushed = 1;
|
|
58
|
623
|
|
|
624 le.ip = plcf->headers_set_len->elts;
|
|
|
625
|
|
|
626 while (*(uintptr_t *) le.ip) {
|
|
|
627 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
64
|
628
|
|
|
629 /* skip the header line name length */
|
|
|
630 (void) lcode(&le);
|
|
58
|
631
|
|
|
632 if (*(ngx_http_script_len_code_pt *) le.ip) {
|
|
|
633
|
|
|
634 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) {
|
|
|
635 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
636 }
|
|
|
637
|
|
|
638 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0;
|
|
|
639
|
|
|
640 } else {
|
|
|
641 e.skip = 0;
|
|
|
642 }
|
|
|
643
|
|
|
644 le.ip += sizeof(uintptr_t);
|
|
|
645
|
|
|
646 while (*(uintptr_t *) e.ip) {
|
|
|
647 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
648 code((ngx_http_script_engine_t *) &e);
|
|
126
|
649 }
|
|
58
|
650 e.ip += sizeof(uintptr_t);
|
|
|
651 }
|
|
|
652
|
|
|
653 b->last = e.pos;
|
|
|
654
|
|
|
655
|
|
|
656 if (plcf->upstream.pass_request_headers) {
|
|
|
657 part = &r->headers_in.headers.part;
|
|
|
658 header = part->elts;
|
|
126
|
659
|
|
58
|
660 for (i = 0; /* void */; i++) {
|
|
|
661
|
|
|
662 if (i >= part->nelts) {
|
|
|
663 if (part->next == NULL) {
|
|
|
664 break;
|
|
|
665 }
|
|
|
666
|
|
|
667 part = part->next;
|
|
|
668 header = part->elts;
|
|
126
|
669 i = 0;
|
|
58
|
670 }
|
|
|
671
|
|
|
672 key = header[i].hash % plcf->headers_set_hash->hash_size;
|
|
|
673
|
|
|
674 if (hh[key].len == header[i].key.len
|
|
|
675 && ngx_strcasecmp(hh[key].data, header[i].key.data) == 0)
|
|
|
676 {
|
|
|
677 continue;
|
|
|
678 }
|
|
|
679
|
|
122
|
680 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len);
|
|
58
|
681
|
|
|
682 *b->last++ = ':'; *b->last++ = ' ';
|
|
|
683
|
|
122
|
684 b->last = ngx_copy(b->last, header[i].value.data,
|
|
|
685 header[i].value.len);
|
|
58
|
686
|
|
|
687 *b->last++ = CR; *b->last++ = LF;
|
|
|
688
|
|
|
689 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
690 "http proxy header: \"%V: %V\"",
|
|
|
691 &header[i].key, &header[i].value);
|
|
|
692 }
|
|
|
693 }
|
|
|
694
|
|
126
|
695
|
|
58
|
696 /* add "\r\n" at the header end */
|
|
|
697 *b->last++ = CR; *b->last++ = LF;
|
|
|
698
|
|
126
|
699 if (plcf->body_set) {
|
|
|
700 e.ip = plcf->body_set->elts;
|
|
|
701 e.pos = b->last;
|
|
|
702
|
|
|
703 while (*(uintptr_t *) e.ip) {
|
|
|
704 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
705 code((ngx_http_script_engine_t *) &e);
|
|
|
706 }
|
|
128
|
707
|
|
|
708 b->last = e.pos;
|
|
126
|
709 }
|
|
|
710
|
|
58
|
711 #if (NGX_DEBUG)
|
|
|
712 {
|
|
|
713 ngx_str_t s;
|
|
|
714
|
|
|
715 s.len = b->last - b->pos;
|
|
|
716 s.data = b->pos;
|
|
|
717 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
718 "http proxy header:\n\"%V\"", &s);
|
|
|
719 }
|
|
|
720 #endif
|
|
|
721
|
|
126
|
722 if (plcf->body_set == NULL && plcf->upstream.pass_request_body) {
|
|
58
|
723
|
|
|
724 body = u->request_bufs;
|
|
|
725 u->request_bufs = cl;
|
|
|
726
|
|
|
727 while (body) {
|
|
|
728 b = ngx_alloc_buf(r->pool);
|
|
|
729 if (b == NULL) {
|
|
|
730 return NGX_ERROR;
|
|
|
731 }
|
|
|
732
|
|
|
733 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
734
|
|
|
735 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
736 if (cl->next == NULL) {
|
|
|
737 return NGX_ERROR;
|
|
|
738 }
|
|
|
739
|
|
|
740 cl = cl->next;
|
|
|
741 cl->buf = b;
|
|
|
742
|
|
|
743 body = body->next;
|
|
|
744 }
|
|
|
745
|
|
160
|
746 b->flush = 1;
|
|
|
747
|
|
58
|
748 } else {
|
|
|
749 u->request_bufs = cl;
|
|
|
750 }
|
|
|
751
|
|
|
752 cl->next = NULL;
|
|
|
753
|
|
|
754 return NGX_OK;
|
|
|
755 }
|
|
|
756
|
|
|
757
|
|
|
758 static ngx_int_t
|
|
|
759 ngx_http_proxy_reinit_request(ngx_http_request_t *r)
|
|
|
760 {
|
|
|
761 ngx_http_proxy_ctx_t *p;
|
|
|
762
|
|
|
763 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
764
|
|
|
765 if (p == NULL) {
|
|
|
766 return NGX_OK;
|
|
|
767 }
|
|
|
768
|
|
|
769 p->status = 0;
|
|
|
770 p->status_count = 0;
|
|
|
771 p->status_start = NULL;
|
|
|
772 p->status_end = NULL;
|
|
|
773
|
|
|
774 r->upstream->process_header = ngx_http_proxy_process_status_line;
|
|
|
775
|
|
|
776 return NGX_OK;
|
|
|
777 }
|
|
|
778
|
|
|
779
|
|
|
780 static ngx_int_t
|
|
|
781 ngx_http_proxy_process_status_line(ngx_http_request_t *r)
|
|
|
782 {
|
|
|
783 ngx_int_t rc;
|
|
|
784 ngx_http_upstream_t *u;
|
|
|
785 ngx_http_proxy_ctx_t *p;
|
|
|
786
|
|
|
787 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
788
|
|
|
789 if (p == NULL) {
|
|
126
|
790 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
58
|
791 }
|
|
|
792
|
|
|
793 rc = ngx_http_proxy_parse_status_line(r, p);
|
|
|
794
|
|
|
795 if (rc == NGX_AGAIN) {
|
|
|
796 return rc;
|
|
|
797 }
|
|
|
798
|
|
|
799 u = r->upstream;
|
|
|
800
|
|
|
801 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) {
|
|
|
802 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
126
|
803 "upstream sent no valid HTTP/1.0 header");
|
|
58
|
804
|
|
168
|
805 #if 0
|
|
58
|
806 if (u->accel) {
|
|
|
807 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
808 }
|
|
168
|
809 #endif
|
|
58
|
810
|
|
|
811 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
812 p->status = NGX_HTTP_OK;
|
|
126
|
813
|
|
58
|
814 return NGX_OK;
|
|
|
815 }
|
|
|
816
|
|
78
|
817 u->headers_in.status_n = p->status;
|
|
58
|
818 u->state->status = p->status;
|
|
|
819
|
|
78
|
820 u->headers_in.status_line.len = p->status_end - p->status_start;
|
|
|
821 u->headers_in.status_line.data = ngx_palloc(r->pool,
|
|
|
822 u->headers_in.status_line.len);
|
|
|
823 if (u->headers_in.status_line.data == NULL) {
|
|
58
|
824 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
825 }
|
|
122
|
826
|
|
78
|
827 ngx_memcpy(u->headers_in.status_line.data, p->status_start,
|
|
|
828 u->headers_in.status_line.len);
|
|
58
|
829
|
|
|
830 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
831 "http proxy status %ui \"%V\"",
|
|
78
|
832 u->headers_in.status, &u->headers_in.status_line);
|
|
58
|
833
|
|
|
834 u->process_header = ngx_http_proxy_process_header;
|
|
|
835
|
|
|
836 return ngx_http_proxy_process_header(r);
|
|
|
837 }
|
|
|
838
|
|
|
839
|
|
|
840 static ngx_int_t
|
|
|
841 ngx_http_proxy_parse_status_line(ngx_http_request_t *r, ngx_http_proxy_ctx_t *p)
|
|
|
842 {
|
|
|
843 u_char ch;
|
|
|
844 u_char *pos;
|
|
|
845 ngx_http_upstream_t *u;
|
|
|
846 enum {
|
|
|
847 sw_start = 0,
|
|
|
848 sw_H,
|
|
|
849 sw_HT,
|
|
|
850 sw_HTT,
|
|
|
851 sw_HTTP,
|
|
|
852 sw_first_major_digit,
|
|
|
853 sw_major_digit,
|
|
|
854 sw_first_minor_digit,
|
|
|
855 sw_minor_digit,
|
|
|
856 sw_status,
|
|
|
857 sw_space_after_status,
|
|
|
858 sw_status_text,
|
|
|
859 sw_almost_done
|
|
126
|
860 } state;
|
|
58
|
861
|
|
|
862 u = r->upstream;
|
|
|
863
|
|
|
864 state = r->state;
|
|
|
865
|
|
130
|
866 for (pos = u->buffer.pos; pos < u->buffer.last; pos++) {
|
|
58
|
867 ch = *pos;
|
|
|
868
|
|
|
869 switch (state) {
|
|
|
870
|
|
|
871 /* "HTTP/" */
|
|
|
872 case sw_start:
|
|
|
873 switch (ch) {
|
|
126
|
874 case 'H':
|
|
58
|
875 state = sw_H;
|
|
|
876 break;
|
|
|
877 default:
|
|
|
878 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
879 }
|
|
|
880 break;
|
|
|
881
|
|
126
|
882 case sw_H:
|
|
58
|
883 switch (ch) {
|
|
126
|
884 case 'T':
|
|
58
|
885 state = sw_HT;
|
|
|
886 break;
|
|
|
887 default:
|
|
|
888 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
889 }
|
|
|
890 break;
|
|
|
891
|
|
|
892 case sw_HT:
|
|
|
893 switch (ch) {
|
|
126
|
894 case 'T':
|
|
58
|
895 state = sw_HTT;
|
|
|
896 break;
|
|
|
897 default:
|
|
|
898 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
899 }
|
|
|
900 break;
|
|
|
901
|
|
|
902 case sw_HTT:
|
|
|
903 switch (ch) {
|
|
126
|
904 case 'P':
|
|
58
|
905 state = sw_HTTP;
|
|
|
906 break;
|
|
|
907 default:
|
|
|
908 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
909 }
|
|
|
910 break;
|
|
|
911
|
|
|
912 case sw_HTTP:
|
|
|
913 switch (ch) {
|
|
126
|
914 case '/':
|
|
58
|
915 state = sw_first_major_digit;
|
|
|
916 break;
|
|
|
917 default:
|
|
|
918 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
919 }
|
|
|
920 break;
|
|
|
921
|
|
|
922 /* the first digit of major HTTP version */
|
|
|
923 case sw_first_major_digit:
|
|
|
924 if (ch < '1' || ch > '9') {
|
|
|
925 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
926 }
|
|
|
927
|
|
|
928 state = sw_major_digit;
|
|
|
929 break;
|
|
|
930
|
|
|
931 /* the major HTTP version or dot */
|
|
|
932 case sw_major_digit:
|
|
|
933 if (ch == '.') {
|
|
|
934 state = sw_first_minor_digit;
|
|
|
935 break;
|
|
|
936 }
|
|
|
937
|
|
|
938 if (ch < '0' || ch > '9') {
|
|
|
939 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
940 }
|
|
|
941
|
|
|
942 break;
|
|
|
943
|
|
|
944 /* the first digit of minor HTTP version */
|
|
|
945 case sw_first_minor_digit:
|
|
|
946 if (ch < '0' || ch > '9') {
|
|
|
947 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
948 }
|
|
|
949
|
|
|
950 state = sw_minor_digit;
|
|
|
951 break;
|
|
|
952
|
|
|
953 /* the minor HTTP version or the end of the request line */
|
|
|
954 case sw_minor_digit:
|
|
|
955 if (ch == ' ') {
|
|
|
956 state = sw_status;
|
|
|
957 break;
|
|
|
958 }
|
|
|
959
|
|
|
960 if (ch < '0' || ch > '9') {
|
|
|
961 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
962 }
|
|
|
963
|
|
|
964 break;
|
|
|
965
|
|
|
966 /* HTTP status code */
|
|
|
967 case sw_status:
|
|
168
|
968 if (ch == ' ') {
|
|
|
969 break;
|
|
|
970 }
|
|
|
971
|
|
58
|
972 if (ch < '0' || ch > '9') {
|
|
|
973 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
974 }
|
|
|
975
|
|
|
976 p->status = p->status * 10 + ch - '0';
|
|
|
977
|
|
|
978 if (++p->status_count == 3) {
|
|
|
979 state = sw_space_after_status;
|
|
|
980 p->status_start = pos - 2;
|
|
|
981 }
|
|
|
982
|
|
|
983 break;
|
|
|
984
|
|
|
985 /* space or end of line */
|
|
|
986 case sw_space_after_status:
|
|
|
987 switch (ch) {
|
|
126
|
988 case ' ':
|
|
58
|
989 state = sw_status_text;
|
|
|
990 break;
|
|
|
991 case '.': /* IIS may send 403.1, 403.2, etc */
|
|
|
992 state = sw_status_text;
|
|
|
993 break;
|
|
|
994 case CR:
|
|
|
995 state = sw_almost_done;
|
|
|
996 break;
|
|
|
997 case LF:
|
|
|
998 goto done;
|
|
|
999 default:
|
|
|
1000 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1001 }
|
|
|
1002 break;
|
|
|
1003
|
|
|
1004 /* any text until end of line */
|
|
|
1005 case sw_status_text:
|
|
|
1006 switch (ch) {
|
|
|
1007 case CR:
|
|
|
1008 state = sw_almost_done;
|
|
|
1009
|
|
|
1010 break;
|
|
|
1011 case LF:
|
|
|
1012 goto done;
|
|
|
1013 }
|
|
|
1014 break;
|
|
|
1015
|
|
76
|
1016 /* end of status line */
|
|
58
|
1017 case sw_almost_done:
|
|
|
1018 p->status_end = pos - 1;
|
|
|
1019 switch (ch) {
|
|
|
1020 case LF:
|
|
|
1021 goto done;
|
|
|
1022 default:
|
|
|
1023 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1024 }
|
|
|
1025 }
|
|
|
1026 }
|
|
|
1027
|
|
130
|
1028 u->buffer.pos = pos;
|
|
58
|
1029 r->state = state;
|
|
|
1030
|
|
|
1031 return NGX_AGAIN;
|
|
|
1032
|
|
|
1033 done:
|
|
|
1034
|
|
130
|
1035 u->buffer.pos = pos + 1;
|
|
58
|
1036
|
|
|
1037 if (p->status_end == NULL) {
|
|
|
1038 p->status_end = pos;
|
|
|
1039 }
|
|
|
1040
|
|
|
1041 r->state = sw_start;
|
|
|
1042
|
|
|
1043 return NGX_OK;
|
|
|
1044 }
|
|
|
1045
|
|
|
1046
|
|
|
1047 static ngx_int_t
|
|
|
1048 ngx_http_proxy_process_header(ngx_http_request_t *r)
|
|
|
1049 {
|
|
|
1050 ngx_int_t rc;
|
|
|
1051 ngx_uint_t key;
|
|
|
1052 ngx_table_elt_t *h;
|
|
|
1053 ngx_http_upstream_header_t *hh;
|
|
|
1054 ngx_http_upstream_main_conf_t *umcf;
|
|
|
1055
|
|
|
1056 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
1057 hh = (ngx_http_upstream_header_t *) umcf->headers_in_hash.buckets;
|
|
|
1058
|
|
|
1059 for ( ;; ) {
|
|
|
1060
|
|
130
|
1061 rc = ngx_http_parse_header_line(r, &r->upstream->buffer);
|
|
58
|
1062
|
|
|
1063 if (rc == NGX_OK) {
|
|
|
1064
|
|
|
1065 /* a header line has been parsed successfully */
|
|
|
1066
|
|
|
1067 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1068 if (h == NULL) {
|
|
|
1069 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1070 }
|
|
|
1071
|
|
|
1072 h->hash = r->header_hash;
|
|
|
1073
|
|
|
1074 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
1075 h->value.len = r->header_end - r->header_start;
|
|
|
1076
|
|
|
1077 h->key.data = ngx_palloc(r->pool,
|
|
|
1078 h->key.len + 1 + h->value.len + 1);
|
|
|
1079 if (h->key.data == NULL) {
|
|
|
1080 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1081 }
|
|
|
1082
|
|
|
1083 h->value.data = h->key.data + h->key.len + 1;
|
|
|
1084
|
|
|
1085 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
|
1086 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
|
1087
|
|
|
1088 key = h->hash % umcf->headers_in_hash.hash_size;
|
|
|
1089
|
|
|
1090 if (hh[key].name.len == h->key.len
|
|
|
1091 && ngx_strcasecmp(hh[key].name.data, h->key.data) == 0)
|
|
|
1092 {
|
|
|
1093 if (hh[key].handler(r, h, hh[key].offset) != NGX_OK) {
|
|
|
1094 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1095 }
|
|
|
1096 }
|
|
|
1097
|
|
|
1098 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1099 "http proxy header: \"%V: %V\"",
|
|
|
1100 &h->key, &h->value);
|
|
|
1101
|
|
|
1102 continue;
|
|
|
1103 }
|
|
|
1104
|
|
|
1105 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
|
1106
|
|
|
1107 /* a whole header has been parsed successfully */
|
|
|
1108
|
|
|
1109 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1110 "http proxy header done");
|
|
|
1111
|
|
|
1112 return NGX_OK;
|
|
|
1113 }
|
|
|
1114
|
|
70
|
1115 if (rc == NGX_AGAIN) {
|
|
|
1116 return NGX_AGAIN;
|
|
|
1117 }
|
|
|
1118
|
|
58
|
1119 /* there was error while a header line parsing */
|
|
|
1120
|
|
|
1121 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
168
|
1122 "upstream sent invalid header");
|
|
58
|
1123
|
|
|
1124 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1125 }
|
|
|
1126 }
|
|
|
1127
|
|
|
1128
|
|
|
1129 static void
|
|
|
1130 ngx_http_proxy_abort_request(ngx_http_request_t *r)
|
|
|
1131 {
|
|
|
1132 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1133 "abort http proxy request");
|
|
126
|
1134
|
|
58
|
1135 return;
|
|
|
1136 }
|
|
|
1137
|
|
|
1138
|
|
|
1139 static void
|
|
|
1140 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
126
|
1141 {
|
|
58
|
1142 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1143 "finalize http proxy request");
|
|
|
1144
|
|
|
1145 return;
|
|
|
1146 }
|
|
|
1147
|
|
|
1148
|
|
122
|
1149 static ngx_int_t
|
|
|
1150 ngx_http_proxy_host_variable(ngx_http_request_t *r,
|
|
|
1151 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1152 {
|
|
|
1153 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1154
|
|
|
1155 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1156
|
|
122
|
1157 v->len = plcf->host_header.len;
|
|
126
|
1158 v->valid = 1;
|
|
122
|
1159 v->no_cachable = 0;
|
|
|
1160 v->not_found = 0;
|
|
|
1161 v->data = plcf->host_header.data;
|
|
58
|
1162
|
|
122
|
1163 return NGX_OK;
|
|
58
|
1164 }
|
|
|
1165
|
|
|
1166
|
|
122
|
1167 static ngx_int_t
|
|
|
1168 ngx_http_proxy_port_variable(ngx_http_request_t *r,
|
|
|
1169 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1170 {
|
|
|
1171 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1172
|
|
|
1173 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1174
|
|
122
|
1175 v->len = plcf->port_text.len;
|
|
126
|
1176 v->valid = 1;
|
|
122
|
1177 v->no_cachable = 0;
|
|
|
1178 v->not_found = 0;
|
|
|
1179 v->data = plcf->port_text.data;
|
|
58
|
1180
|
|
122
|
1181 return NGX_OK;
|
|
58
|
1182 }
|
|
|
1183
|
|
|
1184
|
|
122
|
1185 static ngx_int_t
|
|
58
|
1186 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
|
|
122
|
1187 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1188 {
|
|
122
|
1189 u_char *p;
|
|
58
|
1190
|
|
126
|
1191 v->valid = 1;
|
|
122
|
1192 v->no_cachable = 0;
|
|
|
1193 v->not_found = 0;
|
|
58
|
1194
|
|
|
1195 if (r->headers_in.x_forwarded_for == NULL) {
|
|
122
|
1196 v->len = r->connection->addr_text.len;
|
|
|
1197 v->data = r->connection->addr_text.data;
|
|
|
1198 return NGX_OK;
|
|
58
|
1199 }
|
|
|
1200
|
|
122
|
1201 v->len = r->headers_in.x_forwarded_for->value.len
|
|
|
1202 + sizeof(", ") - 1 + r->connection->addr_text.len;
|
|
58
|
1203
|
|
122
|
1204 p = ngx_palloc(r->pool, v->len);
|
|
58
|
1205 if (p == NULL) {
|
|
122
|
1206 return NGX_ERROR;
|
|
58
|
1207 }
|
|
|
1208
|
|
122
|
1209 v->data = p;
|
|
58
|
1210
|
|
122
|
1211 p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data,
|
|
|
1212 r->headers_in.x_forwarded_for->value.len);
|
|
58
|
1213
|
|
|
1214 *p++ = ','; *p++ = ' ';
|
|
|
1215
|
|
|
1216 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len);
|
|
|
1217
|
|
122
|
1218 return NGX_OK;
|
|
58
|
1219 }
|
|
|
1220
|
|
|
1221
|
|
|
1222 static ngx_int_t
|
|
126
|
1223 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
|
|
|
1224 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1225 {
|
|
|
1226 ngx_http_proxy_ctx_t *p;
|
|
|
1227
|
|
|
1228 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1229
|
|
|
1230 if (p == NULL) {
|
|
|
1231 v->not_found = 1;
|
|
|
1232 return NGX_OK;
|
|
|
1233 }
|
|
|
1234
|
|
|
1235 v->valid = 1;
|
|
|
1236 v->no_cachable = 0;
|
|
|
1237 v->not_found = 0;
|
|
|
1238
|
|
|
1239 v->data = ngx_palloc(r->connection->pool, NGX_SIZE_T_LEN);
|
|
|
1240
|
|
|
1241 if (v->data == NULL) {
|
|
|
1242 return NGX_ERROR;
|
|
|
1243 }
|
|
|
1244
|
|
|
1245 v->len = ngx_sprintf(v->data, "%uz", p->internal_body_length) - v->data;
|
|
|
1246
|
|
|
1247 return NGX_OK;
|
|
|
1248 }
|
|
|
1249
|
|
|
1250
|
|
|
1251 static ngx_int_t
|
|
58
|
1252 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1253 size_t prefix)
|
|
|
1254 {
|
|
|
1255 ngx_int_t rc;
|
|
|
1256 ngx_uint_t i;
|
|
|
1257 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1258 ngx_http_proxy_redirect_t *pr;
|
|
|
1259
|
|
|
1260 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1261
|
|
|
1262 pr = plcf->redirects->elts;
|
|
|
1263
|
|
|
1264 if (pr == NULL) {
|
|
|
1265 return NGX_DECLINED;
|
|
|
1266 }
|
|
|
1267
|
|
|
1268 for (i = 0; i < plcf->redirects->nelts; i++) {
|
|
154
|
1269 rc = pr[i].handler(r, h, prefix, &pr[i]);
|
|
58
|
1270
|
|
|
1271 if (rc != NGX_DECLINED) {
|
|
|
1272 return rc;
|
|
|
1273 }
|
|
|
1274 }
|
|
|
1275
|
|
|
1276 return NGX_DECLINED;
|
|
|
1277 }
|
|
|
1278
|
|
|
1279
|
|
|
1280 static ngx_int_t
|
|
|
1281 ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1282 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1283 {
|
|
|
1284 size_t len;
|
|
|
1285 u_char *data, *p;
|
|
|
1286
|
|
|
1287 if (pr->redirect.len > h->value.len - prefix
|
|
|
1288 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1289 pr->redirect.len) != 0)
|
|
|
1290 {
|
|
|
1291 return NGX_DECLINED;
|
|
|
1292 }
|
|
|
1293
|
|
|
1294 len = prefix + pr->replacement.text.len + h->value.len - pr->redirect.len;
|
|
|
1295
|
|
|
1296 data = ngx_palloc(r->pool, len);
|
|
|
1297 if (data == NULL) {
|
|
|
1298 return NGX_ERROR;
|
|
|
1299 }
|
|
|
1300
|
|
|
1301 p = data;
|
|
|
1302
|
|
122
|
1303 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1304
|
|
122
|
1305 p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len);
|
|
58
|
1306
|
|
|
1307 ngx_memcpy(p, h->value.data + prefix + pr->redirect.len,
|
|
|
1308 h->value.len - pr->redirect.len - prefix);
|
|
|
1309
|
|
|
1310 h->value.len = len;
|
|
|
1311 h->value.data = data;
|
|
|
1312
|
|
|
1313 return NGX_OK;
|
|
|
1314 }
|
|
|
1315
|
|
|
1316
|
|
|
1317 static ngx_int_t
|
|
|
1318 ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1319 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1320 {
|
|
|
1321 size_t len;
|
|
|
1322 u_char *data, *p;
|
|
|
1323 ngx_http_script_code_pt code;
|
|
|
1324 ngx_http_script_engine_t e;
|
|
|
1325 ngx_http_script_len_code_pt lcode;
|
|
|
1326
|
|
|
1327 if (pr->redirect.len > h->value.len - prefix
|
|
|
1328 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1329 pr->redirect.len) != 0)
|
|
|
1330 {
|
|
|
1331 return NGX_DECLINED;
|
|
|
1332 }
|
|
|
1333
|
|
|
1334 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
1335
|
|
|
1336 e.ip = pr->replacement.vars.lengths;
|
|
|
1337 e.request = r;
|
|
|
1338
|
|
|
1339 for (len = prefix; *(uintptr_t *) e.ip; len += lcode(&e)) {
|
|
|
1340 lcode = *(ngx_http_script_len_code_pt *) e.ip;
|
|
|
1341 }
|
|
|
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
|
|
|
1352 e.ip = pr->replacement.vars.values;
|
|
|
1353 e.pos = p;
|
|
|
1354
|
|
|
1355 while (*(uintptr_t *) e.ip) {
|
|
|
1356 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1357 code(&e);
|
|
|
1358 }
|
|
|
1359
|
|
|
1360 h->value.len = len;
|
|
|
1361 h->value.data = data;
|
|
|
1362
|
|
|
1363 return NGX_OK;
|
|
|
1364 }
|
|
|
1365
|
|
|
1366
|
|
|
1367 static ngx_int_t
|
|
|
1368 ngx_http_proxy_add_variables(ngx_conf_t *cf)
|
|
|
1369 {
|
|
|
1370 ngx_http_variable_t *var, *v;
|
|
|
1371
|
|
|
1372 for (v = ngx_http_proxy_vars; v->name.len; v++) {
|
|
|
1373 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
1374 if (var == NULL) {
|
|
|
1375 return NGX_ERROR;
|
|
|
1376 }
|
|
|
1377
|
|
|
1378 var->handler = v->handler;
|
|
|
1379 var->data = v->data;
|
|
|
1380 }
|
|
|
1381
|
|
|
1382 return NGX_OK;
|
|
|
1383 }
|
|
|
1384
|
|
|
1385
|
|
|
1386 static void *
|
|
|
1387 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
|
|
|
1388 {
|
|
|
1389 ngx_http_proxy_loc_conf_t *conf;
|
|
|
1390
|
|
|
1391 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t));
|
|
|
1392 if (conf == NULL) {
|
|
|
1393 return NGX_CONF_ERROR;
|
|
|
1394 }
|
|
|
1395
|
|
|
1396 /*
|
|
|
1397 * set by ngx_pcalloc():
|
|
|
1398 *
|
|
|
1399 * conf->upstream.bufs.num = 0;
|
|
|
1400 * conf->upstream.next_upstream = 0;
|
|
|
1401 * conf->upstream.temp_path = NULL;
|
|
|
1402 * conf->upstream.schema = { 0, NULL };
|
|
|
1403 * conf->upstream.uri = { 0, NULL };
|
|
|
1404 * conf->upstream.location = NULL;
|
|
|
1405 *
|
|
110
|
1406 * conf->method = NULL;
|
|
58
|
1407 * conf->headers_source = NULL;
|
|
|
1408 * conf->headers_set_len = NULL;
|
|
|
1409 * conf->headers_set = NULL;
|
|
|
1410 * conf->headers_set_hash = NULL;
|
|
126
|
1411 * conf->body_set_len = NULL;
|
|
|
1412 * conf->body_set = NULL;
|
|
|
1413 * conf->body_source = { 0, NULL };
|
|
58
|
1414 * conf->rewrite_locations = NULL;
|
|
|
1415 */
|
|
126
|
1416
|
|
130
|
1417 conf->upstream.buffering = NGX_CONF_UNSET;
|
|
|
1418
|
|
58
|
1419 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1420 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1421 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1422
|
|
|
1423 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
130
|
1424 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
78
|
1425
|
|
|
1426 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
126
|
1427 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
78
|
1428 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
58
|
1429
|
|
110
|
1430 conf->upstream.max_fails = NGX_CONF_UNSET_UINT;
|
|
|
1431 conf->upstream.fail_timeout = NGX_CONF_UNSET;
|
|
|
1432
|
|
58
|
1433 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
|
1434 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
110
|
1435
|
|
58
|
1436 conf->upstream.redirect_errors = NGX_CONF_UNSET;
|
|
|
1437
|
|
|
1438 /* "proxy_cyclic_temp_file" is disabled */
|
|
|
1439 conf->upstream.cyclic_temp_file = 0;
|
|
|
1440
|
|
|
1441 conf->upstream.pass_x_powered_by = NGX_CONF_UNSET;
|
|
|
1442 conf->upstream.pass_server = NGX_CONF_UNSET;
|
|
|
1443 conf->upstream.pass_date = 0;
|
|
|
1444 conf->upstream.pass_x_accel_expires = NGX_CONF_UNSET;
|
|
|
1445
|
|
|
1446 conf->redirect = NGX_CONF_UNSET;
|
|
|
1447
|
|
|
1448 return conf;
|
|
|
1449 }
|
|
|
1450
|
|
|
1451
|
|
|
1452 static char *
|
|
|
1453 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1454 {
|
|
|
1455 ngx_http_proxy_loc_conf_t *prev = parent;
|
|
|
1456 ngx_http_proxy_loc_conf_t *conf = child;
|
|
|
1457
|
|
|
1458 u_char *p;
|
|
|
1459 size_t size;
|
|
|
1460 uintptr_t *code;
|
|
|
1461 ngx_str_t *name;
|
|
|
1462 ngx_uint_t i;
|
|
|
1463 ngx_table_elt_t *src, *s, *h;
|
|
|
1464 ngx_http_proxy_redirect_t *pr;
|
|
|
1465 ngx_http_script_compile_t sc;
|
|
|
1466 ngx_http_script_copy_code_t *copy;
|
|
|
1467
|
|
130
|
1468 ngx_conf_merge_value(conf->upstream.buffering,
|
|
|
1469 prev->upstream.buffering, 1);
|
|
|
1470
|
|
58
|
1471 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
1472 prev->upstream.connect_timeout, 60000);
|
|
|
1473
|
|
|
1474 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
1475 prev->upstream.send_timeout, 60000);
|
|
|
1476
|
|
|
1477 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
1478 prev->upstream.read_timeout, 60000);
|
|
|
1479
|
|
|
1480 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
|
1481 prev->upstream.send_lowat, 0);
|
|
|
1482
|
|
130
|
1483 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
|
1484 prev->upstream.buffer_size,
|
|
58
|
1485 (size_t) ngx_pagesize);
|
|
|
1486
|
|
|
1487 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
|
1488 8, ngx_pagesize);
|
|
|
1489
|
|
|
1490 if (conf->upstream.bufs.num < 2) {
|
|
126
|
1491 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
58
|
1492 "there must be at least 2 \"proxy_buffers\"");
|
|
|
1493 return NGX_CONF_ERROR;
|
|
|
1494 }
|
|
126
|
1495
|
|
58
|
1496
|
|
130
|
1497 size = conf->upstream.buffer_size;
|
|
126
|
1498 if (size < conf->upstream.bufs.size) {
|
|
58
|
1499 size = conf->upstream.bufs.size;
|
|
|
1500 }
|
|
|
1501
|
|
|
1502
|
|
78
|
1503 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
|
1504 prev->upstream.busy_buffers_size_conf,
|
|
58
|
1505 NGX_CONF_UNSET_SIZE);
|
|
|
1506
|
|
78
|
1507 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1508 conf->upstream.busy_buffers_size = 2 * size;
|
|
78
|
1509 } else {
|
|
|
1510 conf->upstream.busy_buffers_size =
|
|
|
1511 conf->upstream.busy_buffers_size_conf;
|
|
|
1512 }
|
|
126
|
1513
|
|
78
|
1514 if (conf->upstream.busy_buffers_size < size) {
|
|
58
|
1515 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1516 "\"proxy_busy_buffers_size\" must be equal or bigger than "
|
|
|
1517 "maximum of the value of \"proxy_header_buffer_size\" and "
|
|
|
1518 "one of the \"proxy_buffers\"");
|
|
|
1519
|
|
|
1520 return NGX_CONF_ERROR;
|
|
78
|
1521 }
|
|
58
|
1522
|
|
78
|
1523 if (conf->upstream.busy_buffers_size
|
|
|
1524 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
58
|
1525 {
|
|
|
1526 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1527 "\"proxy_busy_buffers_size\" must be less than "
|
|
|
1528 "the size of all \"proxy_buffers\" minus one buffer");
|
|
|
1529
|
|
|
1530 return NGX_CONF_ERROR;
|
|
|
1531 }
|
|
78
|
1532
|
|
58
|
1533
|
|
78
|
1534 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
|
1535 prev->upstream.temp_file_write_size_conf,
|
|
58
|
1536 NGX_CONF_UNSET_SIZE);
|
|
|
1537
|
|
78
|
1538 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1539 conf->upstream.temp_file_write_size = 2 * size;
|
|
78
|
1540 } else {
|
|
|
1541 conf->upstream.temp_file_write_size =
|
|
|
1542 conf->upstream.temp_file_write_size_conf;
|
|
|
1543 }
|
|
126
|
1544
|
|
78
|
1545 if (conf->upstream.temp_file_write_size < size) {
|
|
58
|
1546 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1547 "\"proxy_temp_file_write_size\" must be equal or bigger than "
|
|
|
1548 "maximum of the value of \"proxy_header_buffer_size\" and "
|
|
|
1549 "one of the \"proxy_buffers\"");
|
|
|
1550
|
|
|
1551 return NGX_CONF_ERROR;
|
|
|
1552 }
|
|
|
1553
|
|
78
|
1554 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
|
1555 prev->upstream.max_temp_file_size_conf,
|
|
58
|
1556 NGX_CONF_UNSET_SIZE);
|
|
|
1557
|
|
78
|
1558 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1559 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
78
|
1560 } else {
|
|
|
1561 conf->upstream.max_temp_file_size =
|
|
|
1562 conf->upstream.max_temp_file_size_conf;
|
|
|
1563 }
|
|
58
|
1564
|
|
78
|
1565 if (conf->upstream.max_temp_file_size != 0
|
|
|
1566 && conf->upstream.max_temp_file_size < size)
|
|
58
|
1567 {
|
|
|
1568 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
110
|
1569 "\"proxy_max_temp_file_size\" must be equal to zero to disable "
|
|
58
|
1570 "the temporary files usage or must be equal or bigger than "
|
|
110
|
1571 "maximum of the value of \"proxy_header_buffer_size\" and "
|
|
|
1572 "one of the \"proxy_buffers\"");
|
|
58
|
1573
|
|
|
1574 return NGX_CONF_ERROR;
|
|
|
1575 }
|
|
|
1576
|
|
78
|
1577
|
|
58
|
1578 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
1579 prev->upstream.next_upstream,
|
|
|
1580 (NGX_CONF_BITMASK_SET
|
|
|
1581 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
1582 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
1583
|
|
110
|
1584 ngx_conf_merge_unsigned_value(conf->upstream.max_fails,
|
|
|
1585 prev->upstream.max_fails, 1);
|
|
|
1586
|
|
|
1587 ngx_conf_merge_sec_value(conf->upstream.fail_timeout,
|
|
|
1588 prev->upstream.fail_timeout, 10);
|
|
|
1589
|
|
|
1590 if (conf->peers && conf->peers->number > 1) {
|
|
|
1591 for (i = 0; i < conf->peers->number; i++) {
|
|
|
1592 conf->peers->peer[i].weight = 1;
|
|
|
1593 conf->peers->peer[i].max_fails = conf->upstream.max_fails;
|
|
|
1594 conf->peers->peer[i].fail_timeout = conf->upstream.fail_timeout;
|
|
|
1595 }
|
|
|
1596 }
|
|
|
1597
|
|
58
|
1598 ngx_conf_merge_path_value(conf->upstream.temp_path,
|
|
|
1599 prev->upstream.temp_path,
|
|
|
1600 NGX_HTTP_PROXY_TEMP_PATH, 1, 2, 0,
|
|
|
1601 ngx_garbage_collector_temp_handler, cf);
|
|
|
1602
|
|
110
|
1603 if (conf->method.len == 0) {
|
|
|
1604 conf->method = prev->method;
|
|
|
1605
|
|
|
1606 } else {
|
|
|
1607 conf->method.data[conf->method.len] = ' ';
|
|
|
1608 conf->method.len++;
|
|
58
|
1609 }
|
|
|
1610
|
|
|
1611 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
|
1612 prev->upstream.pass_request_headers, 1);
|
|
|
1613 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
|
1614 prev->upstream.pass_request_body, 1);
|
|
|
1615
|
|
78
|
1616 ngx_conf_merge_value(conf->upstream.redirect_errors,
|
|
58
|
1617 prev->upstream.redirect_errors, 0);
|
|
|
1618
|
|
78
|
1619 ngx_conf_merge_value(conf->upstream.pass_x_powered_by,
|
|
58
|
1620 prev->upstream.pass_x_powered_by, 1);
|
|
78
|
1621 ngx_conf_merge_value(conf->upstream.pass_server,
|
|
58
|
1622 prev->upstream.pass_server, 0);
|
|
78
|
1623 ngx_conf_merge_value(conf->upstream.pass_x_accel_expires,
|
|
58
|
1624 prev->upstream.pass_x_accel_expires, 0);
|
|
|
1625
|
|
|
1626
|
|
|
1627 ngx_conf_merge_value(conf->redirect, prev->redirect, 1);
|
|
|
1628
|
|
|
1629 if (conf->redirect) {
|
|
|
1630
|
|
|
1631 if (conf->redirects == NULL) {
|
|
|
1632 conf->redirects = prev->redirects;
|
|
|
1633 }
|
|
|
1634
|
|
|
1635 if (conf->redirects == NULL && conf->upstream.url.data) {
|
|
|
1636
|
|
|
1637 conf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
1638 sizeof(ngx_http_proxy_redirect_t));
|
|
|
1639 if (conf->redirects == NULL) {
|
|
|
1640 return NGX_CONF_ERROR;
|
|
|
1641 }
|
|
|
1642
|
|
|
1643 pr = ngx_array_push(conf->redirects);
|
|
|
1644 if (pr == NULL) {
|
|
|
1645 return NGX_CONF_ERROR;
|
|
|
1646 }
|
|
|
1647
|
|
|
1648 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
1649 pr->redirect = conf->upstream.url;
|
|
122
|
1650 pr->replacement.text = conf->upstream.location;
|
|
58
|
1651 }
|
|
|
1652 }
|
|
|
1653
|
|
|
1654
|
|
|
1655 if (conf->peers == NULL) {
|
|
|
1656 conf->peers = prev->peers;
|
|
|
1657 }
|
|
|
1658
|
|
126
|
1659
|
|
|
1660 if (conf->body_source.data == NULL) {
|
|
|
1661 conf->body_source = prev->body_source;
|
|
|
1662 conf->body_set_len = prev->body_set_len;
|
|
|
1663 conf->body_set = prev->body_set;
|
|
|
1664 }
|
|
|
1665
|
|
128
|
1666 if (conf->body_source.data && conf->body_set_len == NULL) {
|
|
126
|
1667
|
|
|
1668 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1669
|
|
|
1670 sc.cf = cf;
|
|
|
1671 sc.source = &conf->body_source;
|
|
|
1672 sc.flushes = &conf->flushes;
|
|
|
1673 sc.lengths = &conf->body_set_len;
|
|
|
1674 sc.values = &conf->body_set;
|
|
|
1675 sc.complete_lengths = 1;
|
|
|
1676 sc.complete_values = 1;
|
|
|
1677
|
|
|
1678 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1679 return NGX_CONF_ERROR;
|
|
|
1680 }
|
|
|
1681
|
|
|
1682 if (conf->headers_source == NULL) {
|
|
|
1683 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
|
1684 sizeof(ngx_table_elt_t));
|
|
|
1685 if (conf->headers_source == NULL) {
|
|
|
1686 return NGX_CONF_ERROR;
|
|
|
1687 }
|
|
|
1688 }
|
|
|
1689
|
|
|
1690 s = ngx_array_push(conf->headers_source);
|
|
|
1691 if (s == NULL) {
|
|
|
1692 return NGX_CONF_ERROR;
|
|
|
1693 }
|
|
|
1694
|
|
|
1695 s->hash = 0;
|
|
|
1696 s->key.len = sizeof("Content-Length") - 1;
|
|
|
1697 s->key.data = (u_char *) "Content-Length";
|
|
|
1698 s->value.len = sizeof("$proxy_internal_body_length") - 1;
|
|
|
1699 s->value.data = (u_char *) "$proxy_internal_body_length";
|
|
|
1700 }
|
|
|
1701
|
|
|
1702
|
|
58
|
1703 if (conf->headers_source == NULL) {
|
|
122
|
1704 conf->flushes = prev->flushes;
|
|
58
|
1705 conf->headers_set_len = prev->headers_set_len;
|
|
|
1706 conf->headers_set = prev->headers_set;
|
|
|
1707 conf->headers_set_hash = prev->headers_set_hash;
|
|
122
|
1708 conf->headers_source = prev->headers_source;
|
|
58
|
1709 }
|
|
|
1710
|
|
|
1711 if (conf->headers_set_hash) {
|
|
|
1712 return NGX_CONF_OK;
|
|
|
1713 }
|
|
|
1714
|
|
|
1715
|
|
|
1716 conf->headers_names = ngx_array_create(cf->pool, 4, sizeof(ngx_str_t));
|
|
|
1717 if (conf->headers_names == NULL) {
|
|
|
1718 return NGX_CONF_ERROR;
|
|
|
1719 }
|
|
|
1720
|
|
|
1721 if (conf->headers_source == NULL) {
|
|
|
1722 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
|
1723 sizeof(ngx_table_elt_t));
|
|
|
1724 if (conf->headers_source == NULL) {
|
|
|
1725 return NGX_CONF_ERROR;
|
|
|
1726 }
|
|
|
1727 }
|
|
|
1728
|
|
|
1729 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1);
|
|
|
1730 if (conf->headers_set_len == NULL) {
|
|
|
1731 return NGX_CONF_ERROR;
|
|
|
1732 }
|
|
|
1733
|
|
|
1734 conf->headers_set = ngx_array_create(cf->pool, 512, 1);
|
|
|
1735 if (conf->headers_set == NULL) {
|
|
|
1736 return NGX_CONF_ERROR;
|
|
|
1737 }
|
|
|
1738
|
|
|
1739
|
|
|
1740 src = conf->headers_source->elts;
|
|
|
1741
|
|
|
1742 for (h = ngx_http_proxy_headers; h->key.len; h++) {
|
|
|
1743
|
|
|
1744 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
1745 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
|
1746 goto next;
|
|
|
1747 }
|
|
|
1748 }
|
|
|
1749
|
|
|
1750 s = ngx_array_push(conf->headers_source);
|
|
|
1751 if (s == NULL) {
|
|
|
1752 return NGX_CONF_ERROR;
|
|
|
1753 }
|
|
|
1754
|
|
|
1755 *s = *h;
|
|
|
1756
|
|
66
|
1757 src = conf->headers_source->elts;
|
|
|
1758
|
|
58
|
1759 next:
|
|
|
1760
|
|
|
1761 continue;
|
|
|
1762 }
|
|
|
1763
|
|
126
|
1764
|
|
|
1765 src = conf->headers_source->elts;
|
|
58
|
1766 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
1767
|
|
|
1768 name = ngx_array_push(conf->headers_names);
|
|
|
1769 if (name == NULL) {
|
|
|
1770 return NGX_CONF_ERROR;
|
|
|
1771 }
|
|
|
1772
|
|
|
1773 *name = src[i].key;
|
|
|
1774
|
|
68
|
1775 if (src[i].value.len == 0) {
|
|
|
1776 continue;
|
|
|
1777 }
|
|
|
1778
|
|
58
|
1779 if (ngx_http_script_variables_count(&src[i].value) == 0) {
|
|
|
1780 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
1781 sizeof(ngx_http_script_copy_code_t));
|
|
|
1782 if (copy == NULL) {
|
|
|
1783 return NGX_CONF_ERROR;
|
|
|
1784 }
|
|
|
1785
|
|
|
1786 copy->code = (ngx_http_script_code_pt)
|
|
|
1787 ngx_http_script_copy_len_code;
|
|
|
1788 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
1789 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
1790
|
|
|
1791
|
|
|
1792 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1793 + src[i].key.len + sizeof(": ") - 1
|
|
|
1794 + src[i].value.len + sizeof(CRLF) - 1
|
|
|
1795 + sizeof(uintptr_t) - 1)
|
|
|
1796 & ~(sizeof(uintptr_t) - 1);
|
|
|
1797
|
|
|
1798 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
1799 if (copy == NULL) {
|
|
|
1800 return NGX_CONF_ERROR;
|
|
|
1801 }
|
|
|
1802
|
|
|
1803 copy->code = ngx_http_script_copy_code;
|
|
|
1804 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
1805 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
1806
|
|
|
1807 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
1808
|
|
|
1809 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
1810 *p++ = ':'; *p++ = ' ';
|
|
|
1811 p = ngx_cpymem(p, src[i].value.data, src[i].value.len);
|
|
|
1812 *p++ = CR; *p = LF;
|
|
|
1813
|
|
|
1814 } else {
|
|
|
1815 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
1816 sizeof(ngx_http_script_copy_code_t));
|
|
|
1817 if (copy == NULL) {
|
|
|
1818 return NGX_CONF_ERROR;
|
|
|
1819 }
|
|
|
1820
|
|
|
1821 copy->code = (ngx_http_script_code_pt)
|
|
|
1822 ngx_http_script_copy_len_code;
|
|
|
1823 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
1824
|
|
|
1825
|
|
|
1826 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1827 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1)
|
|
|
1828 & ~(sizeof(uintptr_t) - 1);
|
|
|
1829
|
|
|
1830 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
1831 if (copy == NULL) {
|
|
|
1832 return NGX_CONF_ERROR;
|
|
|
1833 }
|
|
|
1834
|
|
|
1835 copy->code = ngx_http_script_copy_code;
|
|
|
1836 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
1837
|
|
|
1838 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
1839 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
1840 *p++ = ':'; *p = ' ';
|
|
|
1841
|
|
|
1842
|
|
|
1843 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1844
|
|
|
1845 sc.cf = cf;
|
|
|
1846 sc.source = &src[i].value;
|
|
122
|
1847 sc.flushes = &conf->flushes;
|
|
58
|
1848 sc.lengths = &conf->headers_set_len;
|
|
|
1849 sc.values = &conf->headers_set;
|
|
|
1850
|
|
|
1851 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1852 return NGX_CONF_ERROR;
|
|
|
1853 }
|
|
|
1854
|
|
|
1855
|
|
|
1856 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
1857 sizeof(ngx_http_script_copy_code_t));
|
|
|
1858 if (copy == NULL) {
|
|
|
1859 return NGX_CONF_ERROR;
|
|
|
1860 }
|
|
|
1861
|
|
|
1862 copy->code = (ngx_http_script_code_pt)
|
|
|
1863 ngx_http_script_copy_len_code;
|
|
|
1864 copy->len = sizeof(CRLF) - 1;
|
|
|
1865
|
|
|
1866
|
|
|
1867 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1868 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1)
|
|
|
1869 & ~(sizeof(uintptr_t) - 1);
|
|
|
1870
|
|
|
1871 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
1872 if (copy == NULL) {
|
|
|
1873 return NGX_CONF_ERROR;
|
|
|
1874 }
|
|
|
1875
|
|
|
1876 copy->code = ngx_http_script_copy_code;
|
|
|
1877 copy->len = sizeof(CRLF) - 1;
|
|
|
1878
|
|
|
1879 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
1880 *p++ = CR; *p = LF;
|
|
|
1881 }
|
|
|
1882
|
|
|
1883 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
1884 if (code == NULL) {
|
|
|
1885 return NGX_CONF_ERROR;
|
|
|
1886 }
|
|
|
1887
|
|
|
1888 *code = (uintptr_t) NULL;
|
|
|
1889
|
|
|
1890 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t));
|
|
|
1891 if (code == NULL) {
|
|
|
1892 return NGX_CONF_ERROR;
|
|
|
1893 }
|
|
|
1894
|
|
|
1895 *code = (uintptr_t) NULL;
|
|
|
1896 }
|
|
|
1897
|
|
|
1898 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
1899 if (code == NULL) {
|
|
|
1900 return NGX_CONF_ERROR;
|
|
|
1901 }
|
|
|
1902
|
|
|
1903 *code = (uintptr_t) NULL;
|
|
|
1904
|
|
|
1905
|
|
138
|
1906 conf->headers_set_hash = ngx_pcalloc(cf->pool, sizeof(ngx_hash0_t));
|
|
58
|
1907 if (conf->headers_set_hash == NULL) {
|
|
|
1908 return NGX_CONF_ERROR;
|
|
|
1909 }
|
|
|
1910
|
|
|
1911 conf->headers_set_hash->max_size = 100;
|
|
|
1912 conf->headers_set_hash->bucket_limit = 1;
|
|
|
1913 conf->headers_set_hash->bucket_size = sizeof(ngx_str_t);
|
|
|
1914 conf->headers_set_hash->name = "proxy_headers";
|
|
|
1915
|
|
138
|
1916 if (ngx_hash0_init(conf->headers_set_hash, cf->pool,
|
|
|
1917 conf->headers_names->elts, conf->headers_names->nelts)
|
|
|
1918 != NGX_OK)
|
|
58
|
1919 {
|
|
|
1920 return NGX_CONF_ERROR;
|
|
|
1921 }
|
|
|
1922
|
|
|
1923 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, cf->log, 0,
|
|
|
1924 "proxy_headers hash size: %ui, "
|
|
|
1925 "max buckets per entry: %ui",
|
|
|
1926 conf->headers_set_hash->hash_size,
|
|
|
1927 conf->headers_set_hash->min_buckets);
|
|
|
1928
|
|
|
1929 return NGX_CONF_OK;
|
|
|
1930 }
|
|
|
1931
|
|
|
1932
|
|
|
1933 static char *
|
|
|
1934 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1935 {
|
|
|
1936 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
1937
|
|
126
|
1938 size_t add;
|
|
142
|
1939 u_short port;
|
|
58
|
1940 ngx_str_t *value, *url;
|
|
|
1941 ngx_inet_upstream_t inet_upstream;
|
|
|
1942 ngx_http_core_loc_conf_t *clcf;
|
|
126
|
1943 #if (NGX_HTTP_SSL)
|
|
|
1944 ngx_pool_cleanup_t *cln;
|
|
|
1945 #endif
|
|
58
|
1946 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
1947 ngx_unix_domain_upstream_t unix_upstream;
|
|
|
1948 #endif
|
|
|
1949
|
|
104
|
1950 if (plcf->upstream.schema.len) {
|
|
|
1951 return "is duplicate";
|
|
|
1952 }
|
|
|
1953
|
|
58
|
1954 value = cf->args->elts;
|
|
|
1955
|
|
|
1956 url = &value[1];
|
|
|
1957
|
|
126
|
1958 if (ngx_strncasecmp(url->data, "http://", 7) == 0) {
|
|
|
1959 add = 7;
|
|
140
|
1960 port = 80;
|
|
126
|
1961
|
|
|
1962 } else if (ngx_strncasecmp(url->data, "https://", 8) == 0) {
|
|
|
1963
|
|
|
1964 #if (NGX_HTTP_SSL)
|
|
|
1965
|
|
|
1966 add = 8;
|
|
140
|
1967 port = 443;
|
|
126
|
1968
|
|
|
1969 plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t));
|
|
|
1970 if (plcf->upstream.ssl == NULL) {
|
|
|
1971 return NGX_CONF_ERROR;
|
|
|
1972 }
|
|
|
1973
|
|
|
1974 plcf->upstream.ssl->log = cf->log;
|
|
|
1975
|
|
|
1976 if (ngx_ssl_create(plcf->upstream.ssl,
|
|
|
1977 NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1)
|
|
|
1978 != NGX_OK)
|
|
|
1979 {
|
|
|
1980 return NGX_CONF_ERROR;
|
|
|
1981 }
|
|
|
1982
|
|
|
1983 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
1984 if (cln == NULL) {
|
|
|
1985 return NGX_CONF_ERROR;
|
|
|
1986 }
|
|
|
1987
|
|
|
1988 cln->handler = ngx_ssl_cleanup_ctx;
|
|
|
1989 cln->data = plcf->upstream.ssl;
|
|
|
1990
|
|
|
1991 #else
|
|
|
1992 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1993 "https protocol requires SSL support");
|
|
|
1994 return NGX_CONF_ERROR;
|
|
|
1995 #endif
|
|
|
1996
|
|
|
1997 } else {
|
|
58
|
1998 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix");
|
|
|
1999 return NGX_CONF_ERROR;
|
|
|
2000 }
|
|
|
2001
|
|
126
|
2002 if (ngx_strncasecmp(url->data + add, "unix:", 5) == 0) {
|
|
58
|
2003
|
|
|
2004 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
2005
|
|
|
2006 ngx_memzero(&unix_upstream, sizeof(ngx_unix_domain_upstream_t));
|
|
|
2007
|
|
|
2008 unix_upstream.name = *url;
|
|
126
|
2009 unix_upstream.url.len = url->len - add;
|
|
|
2010 unix_upstream.url.data = url->data + add;
|
|
58
|
2011 unix_upstream.uri_part = 1;
|
|
|
2012
|
|
|
2013 plcf->peers = ngx_unix_upstream_parse(cf, &unix_upstream);
|
|
|
2014 if (plcf->peers == NULL) {
|
|
|
2015 return NGX_CONF_ERROR;
|
|
|
2016 }
|
|
|
2017
|
|
|
2018 plcf->host_header.len = sizeof("localhost") - 1;
|
|
|
2019 plcf->host_header.data = (u_char *) "localhost";
|
|
|
2020 plcf->upstream.uri = unix_upstream.uri;
|
|
|
2021
|
|
|
2022 #else
|
|
|
2023 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2024 "the unix domain sockets are not supported "
|
|
|
2025 "on this platform");
|
|
|
2026 return NGX_CONF_ERROR;
|
|
|
2027
|
|
|
2028 #endif
|
|
|
2029
|
|
|
2030 } else {
|
|
|
2031 ngx_memzero(&inet_upstream, sizeof(ngx_inet_upstream_t));
|
|
|
2032
|
|
|
2033 inet_upstream.name = *url;
|
|
126
|
2034 inet_upstream.url.len = url->len - add;
|
|
|
2035 inet_upstream.url.data = url->data + add;
|
|
140
|
2036 inet_upstream.default_port_value = port;
|
|
58
|
2037 inet_upstream.uri_part = 1;
|
|
|
2038
|
|
|
2039 plcf->peers = ngx_inet_upstream_parse(cf, &inet_upstream);
|
|
|
2040 if (plcf->peers == NULL) {
|
|
|
2041 return NGX_CONF_ERROR;
|
|
|
2042 }
|
|
|
2043
|
|
|
2044 plcf->host_header = inet_upstream.host_header;
|
|
|
2045 plcf->port_text = inet_upstream.port_text;
|
|
|
2046 plcf->upstream.uri = inet_upstream.uri;
|
|
|
2047 }
|
|
|
2048
|
|
140
|
2049 plcf->upstream.schema.len = add;
|
|
|
2050 plcf->upstream.schema.data = url->data;
|
|
58
|
2051
|
|
|
2052 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
2053
|
|
|
2054 clcf->handler = ngx_http_proxy_handler;
|
|
|
2055
|
|
122
|
2056 plcf->upstream.location = clcf->name;
|
|
104
|
2057
|
|
58
|
2058 #if (NGX_PCRE)
|
|
104
|
2059
|
|
122
|
2060 if (clcf->regex) {
|
|
|
2061 if (plcf->upstream.uri.len) {
|
|
|
2062 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2063 "\"proxy_pass\" may not have URI part in "
|
|
|
2064 "location given by regular expression");
|
|
|
2065 return NGX_CONF_ERROR;
|
|
|
2066 }
|
|
|
2067
|
|
|
2068 plcf->upstream.location.len = 0;
|
|
104
|
2069 }
|
|
|
2070
|
|
58
|
2071 #endif
|
|
|
2072
|
|
|
2073 plcf->upstream.url = *url;
|
|
|
2074
|
|
|
2075 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
2076 clcf->auto_redirect = 1;
|
|
|
2077 }
|
|
|
2078
|
|
|
2079 return NGX_CONF_OK;
|
|
|
2080 }
|
|
|
2081
|
|
|
2082
|
|
|
2083 static char *
|
|
|
2084 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2085 {
|
|
|
2086 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2087
|
|
|
2088 ngx_str_t *value;
|
|
|
2089 ngx_array_t *vars_lengths, *vars_values;
|
|
|
2090 ngx_http_script_compile_t sc;
|
|
|
2091 ngx_http_proxy_redirect_t *pr;
|
|
|
2092
|
|
|
2093 if (plcf->redirect == 0) {
|
|
|
2094 return NGX_CONF_OK;
|
|
|
2095 }
|
|
|
2096
|
|
|
2097 value = cf->args->elts;
|
|
|
2098
|
|
|
2099 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2100 plcf->redirect = 0;
|
|
|
2101 plcf->redirects = NULL;
|
|
|
2102 return NGX_CONF_OK;
|
|
|
2103 }
|
|
|
2104
|
|
|
2105 if (plcf->redirects == NULL) {
|
|
|
2106 plcf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
2107 sizeof(ngx_http_proxy_redirect_t));
|
|
|
2108 if (plcf->redirects == NULL) {
|
|
|
2109 return NGX_CONF_ERROR;
|
|
|
2110 }
|
|
|
2111 }
|
|
|
2112
|
|
|
2113 pr = ngx_array_push(plcf->redirects);
|
|
|
2114 if (pr == NULL) {
|
|
|
2115 return NGX_CONF_ERROR;
|
|
|
2116 }
|
|
|
2117
|
|
|
2118 if (cf->args->nelts == 2 && ngx_strcmp(value[1].data, "default") == 0) {
|
|
|
2119 if (plcf->upstream.url.data == NULL) {
|
|
|
2120 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2121 "\"proxy_rewrite_location default\" must go "
|
|
|
2122 "after the \"proxy_pass\" directive");
|
|
|
2123 return NGX_CONF_ERROR;
|
|
|
2124 }
|
|
|
2125
|
|
|
2126 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2127 pr->redirect = plcf->upstream.url;
|
|
122
|
2128 pr->replacement.text = plcf->upstream.location;
|
|
58
|
2129
|
|
|
2130 return NGX_CONF_OK;
|
|
|
2131 }
|
|
|
2132
|
|
|
2133 if (ngx_http_script_variables_count(&value[2]) == 0) {
|
|
|
2134 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2135 pr->redirect = value[1];
|
|
|
2136 pr->replacement.text = value[2];
|
|
|
2137
|
|
|
2138 return NGX_CONF_OK;
|
|
|
2139 }
|
|
|
2140
|
|
|
2141 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2142
|
|
|
2143 vars_lengths = NULL;
|
|
|
2144 vars_values = NULL;
|
|
|
2145
|
|
|
2146 sc.cf = cf;
|
|
|
2147 sc.source = &value[2];
|
|
|
2148 sc.lengths = &vars_lengths;
|
|
|
2149 sc.values = &vars_values;
|
|
|
2150 sc.complete_lengths = 1;
|
|
|
2151 sc.complete_values = 1;
|
|
|
2152
|
|
|
2153 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2154 return NGX_CONF_ERROR;
|
|
|
2155 }
|
|
|
2156
|
|
|
2157 pr->handler = ngx_http_proxy_rewrite_redirect_vars;
|
|
|
2158 pr->redirect = value[1];
|
|
|
2159 pr->replacement.vars.lengths = vars_lengths->elts;
|
|
|
2160 pr->replacement.vars.values = vars_values->elts;
|
|
|
2161
|
|
|
2162 return NGX_CONF_OK;
|
|
|
2163 }
|
|
|
2164
|
|
|
2165
|
|
|
2166 static char *
|
|
|
2167 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data)
|
|
|
2168 {
|
|
|
2169 #if (NGX_FREEBSD)
|
|
|
2170 ssize_t *np = data;
|
|
|
2171
|
|
|
2172 if (*np >= ngx_freebsd_net_inet_tcp_sendspace) {
|
|
|
2173 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2174 "\"proxy_send_lowat\" must be less than %d "
|
|
|
2175 "(sysctl net.inet.tcp.sendspace)",
|
|
|
2176 ngx_freebsd_net_inet_tcp_sendspace);
|
|
|
2177
|
|
|
2178 return NGX_CONF_ERROR;
|
|
|
2179 }
|
|
|
2180
|
|
|
2181 #elif !(NGX_HAVE_SO_SNDLOWAT)
|
|
|
2182 ssize_t *np = data;
|
|
|
2183
|
|
|
2184 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
2185 "\"proxy_send_lowat\" is not supported, ignored");
|
|
|
2186
|
|
|
2187 *np = 0;
|
|
|
2188
|
|
|
2189 #endif
|
|
|
2190
|
|
|
2191 return NGX_CONF_OK;
|
|
|
2192 }
|
