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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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58
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90 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
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122
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91 ngx_http_variable_value_t *v, uintptr_t data);
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126
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92 static ngx_int_t
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93 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
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94 ngx_http_variable_value_t *v, uintptr_t data);
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58
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95 static ngx_int_t ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r,
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96 ngx_table_elt_t *h, size_t prefix);
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97
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98 static ngx_int_t ngx_http_proxy_add_variables(ngx_conf_t *cf);
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99 static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf);
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100 static char *ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf,
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101 void *parent, void *child);
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102
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103 static char *ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd,
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104 void *conf);
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105 static char *ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd,
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106 void *conf);
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107
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108 static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data);
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109
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110
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111 static ngx_conf_post_t ngx_http_proxy_lowat_post =
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112 { ngx_http_proxy_lowat_check };
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113
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130
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114 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_header_buffer_size = {
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115 ngx_conf_deprecated, "proxy_header_buffer_size", "proxy_buffer_size"
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116 };
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117
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58
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118
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119 static ngx_conf_bitmask_t ngx_http_proxy_next_upstream_masks[] = {
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120 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
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121 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
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122 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
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123 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
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172
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124 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 },
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58
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125 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
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126 { ngx_null_string, 0 }
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127 };
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128
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129
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130 static ngx_command_t ngx_http_proxy_commands[] = {
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131
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132 { ngx_string("proxy_pass"),
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178
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133 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1,
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134 ngx_http_proxy_pass,
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135 NGX_HTTP_LOC_CONF_OFFSET,
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136 0,
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137 NULL },
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138
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139 { ngx_string("proxy_redirect"),
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140 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
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141 ngx_http_proxy_redirect,
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142 NGX_HTTP_LOC_CONF_OFFSET,
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143 0,
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144 NULL },
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145
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130
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146 { ngx_string("proxy_buffering"),
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147 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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148 ngx_conf_set_flag_slot,
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149 NGX_HTTP_LOC_CONF_OFFSET,
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150 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffering),
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151 NULL },
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152
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178
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153 { ngx_string("proxy_ignore_client_abort"),
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154 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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155 ngx_conf_set_flag_slot,
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156 NGX_HTTP_LOC_CONF_OFFSET,
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157 offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_client_abort),
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158 NULL },
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159
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58
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160 { ngx_string("proxy_connect_timeout"),
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161 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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162 ngx_conf_set_msec_slot,
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163 NGX_HTTP_LOC_CONF_OFFSET,
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164 offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout),
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165 NULL },
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166
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167 { ngx_string("proxy_send_timeout"),
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168 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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169 ngx_conf_set_msec_slot,
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170 NGX_HTTP_LOC_CONF_OFFSET,
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171 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout),
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172 NULL },
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173
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174 { ngx_string("proxy_send_lowat"),
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175 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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176 ngx_conf_set_size_slot,
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177 NGX_HTTP_LOC_CONF_OFFSET,
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178 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat),
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179 &ngx_http_proxy_lowat_post },
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180
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181 { ngx_string("proxy_redirect_errors"),
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182 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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183 ngx_conf_set_flag_slot,
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184 NGX_HTTP_LOC_CONF_OFFSET,
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185 offsetof(ngx_http_proxy_loc_conf_t, upstream.redirect_errors),
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186 NULL },
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187
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188 { ngx_string("proxy_set_header"),
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189 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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190 ngx_conf_set_table_elt_slot,
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191 NGX_HTTP_LOC_CONF_OFFSET,
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192 offsetof(ngx_http_proxy_loc_conf_t, headers_source),
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193 NULL },
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194
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126
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195 { ngx_string("proxy_set_body"),
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196 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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197 ngx_conf_set_str_slot,
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198 NGX_HTTP_LOC_CONF_OFFSET,
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199 offsetof(ngx_http_proxy_loc_conf_t, body_source),
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200 NULL },
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201
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202 { ngx_string("proxy_method"),
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203 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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110
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204 ngx_conf_set_str_slot,
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205 NGX_HTTP_LOC_CONF_OFFSET,
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110
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206 offsetof(ngx_http_proxy_loc_conf_t, method),
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207 NULL },
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208
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209 { ngx_string("proxy_pass_request_headers"),
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210 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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211 ngx_conf_set_flag_slot,
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212 NGX_HTTP_LOC_CONF_OFFSET,
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213 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers),
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214 NULL },
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215
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216 { ngx_string("proxy_pass_request_body"),
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217 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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218 ngx_conf_set_flag_slot,
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219 NGX_HTTP_LOC_CONF_OFFSET,
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220 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body),
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221 NULL },
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222
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130
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223 { ngx_string("proxy_buffer_size"),
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224 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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225 ngx_conf_set_size_slot,
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226 NGX_HTTP_LOC_CONF_OFFSET,
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227 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
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228 NULL },
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229
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58
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230 { ngx_string("proxy_header_buffer_size"),
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231 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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232 ngx_conf_set_size_slot,
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233 NGX_HTTP_LOC_CONF_OFFSET,
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130
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234 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
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235 &ngx_conf_deprecated_proxy_header_buffer_size },
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58
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236
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237 { ngx_string("proxy_read_timeout"),
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238 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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239 ngx_conf_set_msec_slot,
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240 NGX_HTTP_LOC_CONF_OFFSET,
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241 offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout),
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242 NULL },
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243
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244 { ngx_string("proxy_buffers"),
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245 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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246 ngx_conf_set_bufs_slot,
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247 NGX_HTTP_LOC_CONF_OFFSET,
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248 offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs),
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249 NULL },
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250
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251 { ngx_string("proxy_busy_buffers_size"),
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252 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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253 ngx_conf_set_size_slot,
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254 NGX_HTTP_LOC_CONF_OFFSET,
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255 offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf),
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256 NULL },
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257
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258 { ngx_string("proxy_temp_path"),
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259 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
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260 ngx_conf_set_path_slot,
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261 NGX_HTTP_LOC_CONF_OFFSET,
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262 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path),
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263 (void *) ngx_garbage_collector_temp_handler },
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264
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265 { ngx_string("proxy_max_temp_file_size"),
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266 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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267 ngx_conf_set_size_slot,
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268 NGX_HTTP_LOC_CONF_OFFSET,
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78
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269 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf),
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58
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270 NULL },
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271
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272 { ngx_string("proxy_temp_file_write_size"),
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273 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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274 ngx_conf_set_size_slot,
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275 NGX_HTTP_LOC_CONF_OFFSET,
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78
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276 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_file_write_size_conf),
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58
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277 NULL },
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278
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279 { ngx_string("proxy_next_upstream"),
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96
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280 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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58
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281 ngx_conf_set_bitmask_slot,
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282 NGX_HTTP_LOC_CONF_OFFSET,
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283 offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream),
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284 &ngx_http_proxy_next_upstream_masks },
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285
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110
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286 { ngx_string("proxy_upstream_max_fails"),
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287 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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288 ngx_conf_set_num_slot,
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289 NGX_HTTP_LOC_CONF_OFFSET,
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290 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_fails),
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291 NULL },
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292
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293 { ngx_string("proxy_upstream_fail_timeout"),
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294 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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295 ngx_conf_set_sec_slot,
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296 NGX_HTTP_LOC_CONF_OFFSET,
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297 offsetof(ngx_http_proxy_loc_conf_t, upstream.fail_timeout),
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298 NULL },
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299
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58
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300 { ngx_string("proxy_pass_x_powered_by"),
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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_x_powered_by),
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305 NULL },
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306
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307 { ngx_string("proxy_pass_server"),
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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_server),
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312 NULL },
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313
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314 { ngx_string("proxy_pass_x_accel_expires"),
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315 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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316 ngx_conf_set_flag_slot,
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317 NGX_HTTP_LOC_CONF_OFFSET,
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318 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_x_accel_expires),
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319 NULL },
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320
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321 ngx_null_command
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322 };
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323
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324
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325 ngx_http_module_t ngx_http_proxy_module_ctx = {
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326 ngx_http_proxy_add_variables, /* preconfiguration */
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327 NULL, /* postconfiguration */
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328
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329 NULL, /* create main configuration */
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330 NULL, /* init main configuration */
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331
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|
332 NULL, /* create server configuration */
|
|
|
333 NULL, /* merge server configuration */
|
|
|
334
|
|
|
335 ngx_http_proxy_create_loc_conf, /* create location configration */
|
|
|
336 ngx_http_proxy_merge_loc_conf /* merge location configration */
|
|
|
337 };
|
|
|
338
|
|
|
339
|
|
|
340 ngx_module_t ngx_http_proxy_module = {
|
|
|
341 NGX_MODULE_V1,
|
|
|
342 &ngx_http_proxy_module_ctx, /* module context */
|
|
|
343 ngx_http_proxy_commands, /* module directives */
|
|
|
344 NGX_HTTP_MODULE, /* module type */
|
|
90
|
345 NULL, /* init master */
|
|
58
|
346 NULL, /* init module */
|
|
90
|
347 NULL, /* init process */
|
|
|
348 NULL, /* init thread */
|
|
|
349 NULL, /* exit thread */
|
|
|
350 NULL, /* exit process */
|
|
|
351 NULL, /* exit master */
|
|
|
352 NGX_MODULE_V1_PADDING
|
|
58
|
353 };
|
|
|
354
|
|
|
355
|
|
|
356 static char ngx_http_proxy_version[] = " HTTP/1.0" CRLF;
|
|
|
357
|
|
|
358
|
|
|
359 static ngx_table_elt_t ngx_http_proxy_headers[] = {
|
|
66
|
360 { 0, ngx_string("Host"), ngx_string("$proxy_host") },
|
|
|
361 { 0, ngx_string("Connection"), ngx_string("close") },
|
|
130
|
362 { 0, ngx_string("Keep-Alive"), ngx_string("") },
|
|
58
|
363 { 0, ngx_null_string, ngx_null_string }
|
|
|
364 };
|
|
|
365
|
|
|
366
|
|
|
367 static ngx_http_variable_t ngx_http_proxy_vars[] = {
|
|
|
368
|
|
|
369 { ngx_string("proxy_host"), ngx_http_proxy_host_variable, 0,
|
|
132
|
370 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
371
|
|
|
372 { ngx_string("proxy_port"), ngx_http_proxy_port_variable, 0,
|
|
132
|
373 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
374
|
|
|
375 { ngx_string("proxy_add_x_forwarded_for"),
|
|
132
|
376 ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
377
|
|
|
378 #if 0
|
|
132
|
379 { ngx_string("proxy_add_via"), NULL, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
380 #endif
|
|
|
381
|
|
126
|
382 { ngx_string("proxy_internal_body_length"),
|
|
132
|
383 ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
126
|
384
|
|
82
|
385 { ngx_null_string, NULL, 0, 0, 0 }
|
|
58
|
386 };
|
|
|
387
|
|
|
388
|
|
|
389 static ngx_int_t
|
|
|
390 ngx_http_proxy_handler(ngx_http_request_t *r)
|
|
126
|
391 {
|
|
58
|
392 ngx_int_t rc;
|
|
|
393 ngx_http_upstream_t *u;
|
|
|
394 ngx_http_proxy_loc_conf_t *plcf;
|
|
126
|
395
|
|
58
|
396 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
126
|
397
|
|
58
|
398 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t));
|
|
|
399 if (u == NULL) {
|
|
|
400 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
401 }
|
|
126
|
402
|
|
58
|
403 u->peer.log = r->connection->log;
|
|
|
404 u->peer.log_error = NGX_ERROR_ERR;
|
|
|
405 u->peer.peers = plcf->peers;
|
|
|
406 u->peer.tries = plcf->peers->number;
|
|
|
407 #if (NGX_THREADS)
|
|
|
408 u->peer.lock = &r->connection->lock;
|
|
|
409 #endif
|
|
|
410
|
|
|
411 u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module;
|
|
|
412
|
|
|
413 u->conf = &plcf->upstream;
|
|
|
414
|
|
|
415 u->create_request = ngx_http_proxy_create_request;
|
|
|
416 u->reinit_request = ngx_http_proxy_reinit_request;
|
|
|
417 u->process_header = ngx_http_proxy_process_status_line;
|
|
|
418 u->abort_request = ngx_http_proxy_abort_request;
|
|
|
419 u->finalize_request = ngx_http_proxy_finalize_request;
|
|
|
420
|
|
|
421 if (plcf->redirects) {
|
|
|
422 u->rewrite_redirect = ngx_http_proxy_rewrite_redirect;
|
|
|
423 }
|
|
|
424
|
|
130
|
425 if (plcf->upstream.buffering) {
|
|
|
426
|
|
|
427 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
|
|
|
428 if (u->pipe == NULL) {
|
|
|
429 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
430 }
|
|
|
431
|
|
|
432 u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
|
|
|
433 }
|
|
58
|
434
|
|
|
435 u->accel = 1;
|
|
126
|
436
|
|
58
|
437 r->upstream = u;
|
|
|
438
|
|
|
439 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
|
440
|
|
|
441 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
|
442 return rc;
|
|
|
443 }
|
|
|
444
|
|
|
445 return NGX_DONE;
|
|
|
446 }
|
|
|
447
|
|
|
448
|
|
|
449 static ngx_int_t
|
|
|
450 ngx_http_proxy_create_request(ngx_http_request_t *r)
|
|
|
451 {
|
|
126
|
452 size_t len, loc_len, body_len;
|
|
158
|
453 ngx_uint_t i, key, unparsed_uri;
|
|
58
|
454 uintptr_t escape;
|
|
|
455 ngx_buf_t *b;
|
|
110
|
456 ngx_str_t *hh, method;
|
|
58
|
457 ngx_chain_t *cl, *body;
|
|
|
458 ngx_list_part_t *part;
|
|
|
459 ngx_table_elt_t *header;
|
|
|
460 ngx_http_upstream_t *u;
|
|
126
|
461 ngx_http_proxy_ctx_t *p;
|
|
58
|
462 ngx_http_script_code_pt code;
|
|
|
463 ngx_http_script_engine_t e, le;
|
|
|
464 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
465 ngx_http_script_len_code_pt lcode;
|
|
|
466
|
|
|
467 u = r->upstream;
|
|
|
468
|
|
|
469 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
470
|
|
126
|
471 p = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t));
|
|
|
472 if (p == NULL) {
|
|
|
473 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
474 }
|
|
|
475
|
|
|
476 ngx_http_set_ctx(r, p, ngx_http_proxy_module);
|
|
|
477
|
|
58
|
478 len = sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1;
|
|
|
479
|
|
110
|
480 if (u->method.len) {
|
|
|
481 /* HEAD was changed to GET to cache response */
|
|
|
482 method = u->method;
|
|
|
483 method.len++;
|
|
|
484
|
|
|
485 } else if (plcf->method.len) {
|
|
|
486 method = plcf->method;
|
|
|
487
|
|
58
|
488 } else {
|
|
110
|
489 method = r->method_name;
|
|
|
490 method.len++;
|
|
58
|
491 }
|
|
|
492
|
|
110
|
493 len += method.len + u->conf->uri.len;
|
|
|
494
|
|
58
|
495 escape = 0;
|
|
|
496
|
|
176
|
497 loc_len = (r->valid_location && u->conf->uri.len) ? u->conf->location.len:
|
|
|
498 0;
|
|
58
|
499
|
|
158
|
500 if (u->conf->uri.len == 0 && r->valid_unparsed_uri && r == r->main) {
|
|
|
501 unparsed_uri = 1;
|
|
88
|
502 len += r->unparsed_uri.len;
|
|
58
|
503
|
|
|
504 } else {
|
|
158
|
505 unparsed_uri = 0;
|
|
58
|
506 if (r->quoted_uri) {
|
|
|
507 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
|
|
|
508 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
509 }
|
|
|
510
|
|
|
511 len += r->uri.len - loc_len + escape + sizeof("?") - 1 + r->args.len;
|
|
|
512 }
|
|
|
513
|
|
122
|
514 ngx_http_script_flush_no_cachable_variables(r, plcf->flushes);
|
|
|
515
|
|
126
|
516 if (plcf->body_set_len) {
|
|
|
517 le.ip = plcf->body_set_len->elts;
|
|
|
518 le.request = r;
|
|
|
519 le.flushed = 1;
|
|
|
520 body_len = 0;
|
|
|
521
|
|
|
522 while (*(uintptr_t *) le.ip) {
|
|
|
523 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
524 body_len += lcode(&le);
|
|
|
525 }
|
|
|
526
|
|
|
527 p->internal_body_length = body_len;
|
|
|
528 len += body_len;
|
|
|
529 }
|
|
|
530
|
|
58
|
531 le.ip = plcf->headers_set_len->elts;
|
|
|
532 le.request = r;
|
|
122
|
533 le.flushed = 1;
|
|
58
|
534
|
|
|
535 while (*(uintptr_t *) le.ip) {
|
|
|
536 while (*(uintptr_t *) le.ip) {
|
|
|
537 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
538 len += lcode(&le);
|
|
|
539 }
|
|
|
540 le.ip += sizeof(uintptr_t);
|
|
|
541 }
|
|
|
542
|
|
|
543
|
|
|
544 hh = (ngx_str_t *) plcf->headers_set_hash->buckets;
|
|
|
545
|
|
|
546 if (plcf->upstream.pass_request_headers) {
|
|
|
547 part = &r->headers_in.headers.part;
|
|
|
548 header = part->elts;
|
|
|
549
|
|
|
550 for (i = 0; /* void */; i++) {
|
|
|
551
|
|
|
552 if (i >= part->nelts) {
|
|
|
553 if (part->next == NULL) {
|
|
|
554 break;
|
|
|
555 }
|
|
|
556
|
|
|
557 part = part->next;
|
|
|
558 header = part->elts;
|
|
126
|
559 i = 0;
|
|
58
|
560 }
|
|
|
561
|
|
|
562 key = header[i].hash % plcf->headers_set_hash->hash_size;
|
|
|
563
|
|
|
564 if (hh[key].len == header[i].key.len
|
|
|
565 && ngx_strcasecmp(hh[key].data, header[i].key.data) == 0)
|
|
|
566 {
|
|
|
567 continue;
|
|
|
568 }
|
|
|
569
|
|
|
570 len += header[i].key.len + sizeof(": ") - 1
|
|
|
571 + header[i].value.len + sizeof(CRLF) - 1;
|
|
|
572 }
|
|
|
573 }
|
|
|
574
|
|
|
575
|
|
|
576 b = ngx_create_temp_buf(r->pool, len);
|
|
|
577 if (b == NULL) {
|
|
|
578 return NGX_ERROR;
|
|
|
579 }
|
|
|
580
|
|
|
581 cl = ngx_alloc_chain_link(r->pool);
|
|
|
582 if (cl == NULL) {
|
|
|
583 return NGX_ERROR;
|
|
|
584 }
|
|
|
585
|
|
|
586 cl->buf = b;
|
|
|
587
|
|
|
588
|
|
|
589 /* the request line */
|
|
|
590
|
|
122
|
591 b->last = ngx_copy(b->last, method.data, method.len);
|
|
58
|
592
|
|
104
|
593 u->uri.data = b->last;
|
|
|
594
|
|
158
|
595 if (unparsed_uri) {
|
|
122
|
596 b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len);
|
|
|
597
|
|
58
|
598 } else {
|
|
104
|
599 if (r->valid_location) {
|
|
122
|
600 b->last = ngx_copy(b->last, u->conf->uri.data, u->conf->uri.len);
|
|
104
|
601 }
|
|
100
|
602
|
|
58
|
603 if (escape) {
|
|
|
604 ngx_escape_uri(b->last, r->uri.data + loc_len,
|
|
|
605 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
606 b->last += r->uri.len - loc_len + escape;
|
|
|
607
|
|
126
|
608 } else {
|
|
122
|
609 b->last = ngx_copy(b->last, r->uri.data + loc_len,
|
|
|
610 r->uri.len - loc_len);
|
|
58
|
611 }
|
|
|
612
|
|
|
613 if (r->args.len > 0) {
|
|
|
614 *b->last++ = '?';
|
|
122
|
615 b->last = ngx_copy(b->last, r->args.data, r->args.len);
|
|
58
|
616 }
|
|
|
617 }
|
|
|
618
|
|
104
|
619 u->uri.len = b->last - u->uri.data;
|
|
|
620
|
|
58
|
621 b->last = ngx_cpymem(b->last, ngx_http_proxy_version,
|
|
|
622 sizeof(ngx_http_proxy_version) - 1);
|
|
|
623
|
|
126
|
624 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
58
|
625
|
|
|
626 e.ip = plcf->headers_set->elts;
|
|
|
627 e.pos = b->last;
|
|
|
628 e.request = r;
|
|
122
|
629 e.flushed = 1;
|
|
58
|
630
|
|
|
631 le.ip = plcf->headers_set_len->elts;
|
|
|
632
|
|
|
633 while (*(uintptr_t *) le.ip) {
|
|
|
634 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
64
|
635
|
|
|
636 /* skip the header line name length */
|
|
|
637 (void) lcode(&le);
|
|
58
|
638
|
|
|
639 if (*(ngx_http_script_len_code_pt *) le.ip) {
|
|
|
640
|
|
|
641 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) {
|
|
|
642 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
643 }
|
|
|
644
|
|
|
645 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0;
|
|
|
646
|
|
|
647 } else {
|
|
|
648 e.skip = 0;
|
|
|
649 }
|
|
|
650
|
|
|
651 le.ip += sizeof(uintptr_t);
|
|
|
652
|
|
|
653 while (*(uintptr_t *) e.ip) {
|
|
|
654 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
655 code((ngx_http_script_engine_t *) &e);
|
|
126
|
656 }
|
|
58
|
657 e.ip += sizeof(uintptr_t);
|
|
|
658 }
|
|
|
659
|
|
|
660 b->last = e.pos;
|
|
|
661
|
|
|
662
|
|
|
663 if (plcf->upstream.pass_request_headers) {
|
|
|
664 part = &r->headers_in.headers.part;
|
|
|
665 header = part->elts;
|
|
126
|
666
|
|
58
|
667 for (i = 0; /* void */; i++) {
|
|
|
668
|
|
|
669 if (i >= part->nelts) {
|
|
|
670 if (part->next == NULL) {
|
|
|
671 break;
|
|
|
672 }
|
|
|
673
|
|
|
674 part = part->next;
|
|
|
675 header = part->elts;
|
|
126
|
676 i = 0;
|
|
58
|
677 }
|
|
|
678
|
|
|
679 key = header[i].hash % plcf->headers_set_hash->hash_size;
|
|
|
680
|
|
|
681 if (hh[key].len == header[i].key.len
|
|
|
682 && ngx_strcasecmp(hh[key].data, header[i].key.data) == 0)
|
|
|
683 {
|
|
|
684 continue;
|
|
|
685 }
|
|
|
686
|
|
122
|
687 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len);
|
|
58
|
688
|
|
|
689 *b->last++ = ':'; *b->last++ = ' ';
|
|
|
690
|
|
122
|
691 b->last = ngx_copy(b->last, header[i].value.data,
|
|
|
692 header[i].value.len);
|
|
58
|
693
|
|
|
694 *b->last++ = CR; *b->last++ = LF;
|
|
|
695
|
|
|
696 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
697 "http proxy header: \"%V: %V\"",
|
|
|
698 &header[i].key, &header[i].value);
|
|
|
699 }
|
|
|
700 }
|
|
|
701
|
|
126
|
702
|
|
58
|
703 /* add "\r\n" at the header end */
|
|
|
704 *b->last++ = CR; *b->last++ = LF;
|
|
|
705
|
|
126
|
706 if (plcf->body_set) {
|
|
|
707 e.ip = plcf->body_set->elts;
|
|
|
708 e.pos = b->last;
|
|
|
709
|
|
|
710 while (*(uintptr_t *) e.ip) {
|
|
|
711 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
712 code((ngx_http_script_engine_t *) &e);
|
|
|
713 }
|
|
128
|
714
|
|
|
715 b->last = e.pos;
|
|
126
|
716 }
|
|
|
717
|
|
58
|
718 #if (NGX_DEBUG)
|
|
|
719 {
|
|
|
720 ngx_str_t s;
|
|
|
721
|
|
|
722 s.len = b->last - b->pos;
|
|
|
723 s.data = b->pos;
|
|
|
724 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
725 "http proxy header:\n\"%V\"", &s);
|
|
|
726 }
|
|
|
727 #endif
|
|
|
728
|
|
126
|
729 if (plcf->body_set == NULL && plcf->upstream.pass_request_body) {
|
|
58
|
730
|
|
|
731 body = u->request_bufs;
|
|
|
732 u->request_bufs = cl;
|
|
|
733
|
|
|
734 while (body) {
|
|
|
735 b = ngx_alloc_buf(r->pool);
|
|
|
736 if (b == NULL) {
|
|
|
737 return NGX_ERROR;
|
|
|
738 }
|
|
|
739
|
|
|
740 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
741
|
|
|
742 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
743 if (cl->next == NULL) {
|
|
|
744 return NGX_ERROR;
|
|
|
745 }
|
|
|
746
|
|
|
747 cl = cl->next;
|
|
|
748 cl->buf = b;
|
|
|
749
|
|
|
750 body = body->next;
|
|
|
751 }
|
|
|
752
|
|
160
|
753 b->flush = 1;
|
|
|
754
|
|
58
|
755 } else {
|
|
|
756 u->request_bufs = cl;
|
|
|
757 }
|
|
|
758
|
|
|
759 cl->next = NULL;
|
|
|
760
|
|
|
761 return NGX_OK;
|
|
|
762 }
|
|
|
763
|
|
|
764
|
|
|
765 static ngx_int_t
|
|
|
766 ngx_http_proxy_reinit_request(ngx_http_request_t *r)
|
|
|
767 {
|
|
|
768 ngx_http_proxy_ctx_t *p;
|
|
|
769
|
|
|
770 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
771
|
|
|
772 if (p == NULL) {
|
|
|
773 return NGX_OK;
|
|
|
774 }
|
|
|
775
|
|
|
776 p->status = 0;
|
|
|
777 p->status_count = 0;
|
|
|
778 p->status_start = NULL;
|
|
|
779 p->status_end = NULL;
|
|
|
780
|
|
|
781 r->upstream->process_header = ngx_http_proxy_process_status_line;
|
|
|
782
|
|
|
783 return NGX_OK;
|
|
|
784 }
|
|
|
785
|
|
|
786
|
|
|
787 static ngx_int_t
|
|
|
788 ngx_http_proxy_process_status_line(ngx_http_request_t *r)
|
|
|
789 {
|
|
|
790 ngx_int_t rc;
|
|
|
791 ngx_http_upstream_t *u;
|
|
|
792 ngx_http_proxy_ctx_t *p;
|
|
|
793
|
|
|
794 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
795
|
|
|
796 if (p == NULL) {
|
|
126
|
797 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
58
|
798 }
|
|
|
799
|
|
|
800 rc = ngx_http_proxy_parse_status_line(r, p);
|
|
|
801
|
|
|
802 if (rc == NGX_AGAIN) {
|
|
|
803 return rc;
|
|
|
804 }
|
|
|
805
|
|
|
806 u = r->upstream;
|
|
|
807
|
|
|
808 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) {
|
|
|
809 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
126
|
810 "upstream sent no valid HTTP/1.0 header");
|
|
58
|
811
|
|
168
|
812 #if 0
|
|
58
|
813 if (u->accel) {
|
|
|
814 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
815 }
|
|
168
|
816 #endif
|
|
58
|
817
|
|
|
818 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
819 p->status = NGX_HTTP_OK;
|
|
126
|
820
|
|
58
|
821 return NGX_OK;
|
|
|
822 }
|
|
|
823
|
|
78
|
824 u->headers_in.status_n = p->status;
|
|
58
|
825 u->state->status = p->status;
|
|
|
826
|
|
78
|
827 u->headers_in.status_line.len = p->status_end - p->status_start;
|
|
|
828 u->headers_in.status_line.data = ngx_palloc(r->pool,
|
|
|
829 u->headers_in.status_line.len);
|
|
|
830 if (u->headers_in.status_line.data == NULL) {
|
|
58
|
831 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
832 }
|
|
122
|
833
|
|
78
|
834 ngx_memcpy(u->headers_in.status_line.data, p->status_start,
|
|
|
835 u->headers_in.status_line.len);
|
|
58
|
836
|
|
|
837 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
838 "http proxy status %ui \"%V\"",
|
|
78
|
839 u->headers_in.status, &u->headers_in.status_line);
|
|
58
|
840
|
|
|
841 u->process_header = ngx_http_proxy_process_header;
|
|
|
842
|
|
|
843 return ngx_http_proxy_process_header(r);
|
|
|
844 }
|
|
|
845
|
|
|
846
|
|
|
847 static ngx_int_t
|
|
|
848 ngx_http_proxy_parse_status_line(ngx_http_request_t *r, ngx_http_proxy_ctx_t *p)
|
|
|
849 {
|
|
|
850 u_char ch;
|
|
|
851 u_char *pos;
|
|
|
852 ngx_http_upstream_t *u;
|
|
|
853 enum {
|
|
|
854 sw_start = 0,
|
|
|
855 sw_H,
|
|
|
856 sw_HT,
|
|
|
857 sw_HTT,
|
|
|
858 sw_HTTP,
|
|
|
859 sw_first_major_digit,
|
|
|
860 sw_major_digit,
|
|
|
861 sw_first_minor_digit,
|
|
|
862 sw_minor_digit,
|
|
|
863 sw_status,
|
|
|
864 sw_space_after_status,
|
|
|
865 sw_status_text,
|
|
|
866 sw_almost_done
|
|
126
|
867 } state;
|
|
58
|
868
|
|
|
869 u = r->upstream;
|
|
|
870
|
|
|
871 state = r->state;
|
|
|
872
|
|
130
|
873 for (pos = u->buffer.pos; pos < u->buffer.last; pos++) {
|
|
58
|
874 ch = *pos;
|
|
|
875
|
|
|
876 switch (state) {
|
|
|
877
|
|
|
878 /* "HTTP/" */
|
|
|
879 case sw_start:
|
|
|
880 switch (ch) {
|
|
126
|
881 case 'H':
|
|
58
|
882 state = sw_H;
|
|
|
883 break;
|
|
|
884 default:
|
|
|
885 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
886 }
|
|
|
887 break;
|
|
|
888
|
|
126
|
889 case sw_H:
|
|
58
|
890 switch (ch) {
|
|
126
|
891 case 'T':
|
|
58
|
892 state = sw_HT;
|
|
|
893 break;
|
|
|
894 default:
|
|
|
895 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
896 }
|
|
|
897 break;
|
|
|
898
|
|
|
899 case sw_HT:
|
|
|
900 switch (ch) {
|
|
126
|
901 case 'T':
|
|
58
|
902 state = sw_HTT;
|
|
|
903 break;
|
|
|
904 default:
|
|
|
905 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
906 }
|
|
|
907 break;
|
|
|
908
|
|
|
909 case sw_HTT:
|
|
|
910 switch (ch) {
|
|
126
|
911 case 'P':
|
|
58
|
912 state = sw_HTTP;
|
|
|
913 break;
|
|
|
914 default:
|
|
|
915 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
916 }
|
|
|
917 break;
|
|
|
918
|
|
|
919 case sw_HTTP:
|
|
|
920 switch (ch) {
|
|
126
|
921 case '/':
|
|
58
|
922 state = sw_first_major_digit;
|
|
|
923 break;
|
|
|
924 default:
|
|
|
925 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
926 }
|
|
|
927 break;
|
|
|
928
|
|
|
929 /* the first digit of major HTTP version */
|
|
|
930 case sw_first_major_digit:
|
|
|
931 if (ch < '1' || ch > '9') {
|
|
|
932 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
933 }
|
|
|
934
|
|
|
935 state = sw_major_digit;
|
|
|
936 break;
|
|
|
937
|
|
|
938 /* the major HTTP version or dot */
|
|
|
939 case sw_major_digit:
|
|
|
940 if (ch == '.') {
|
|
|
941 state = sw_first_minor_digit;
|
|
|
942 break;
|
|
|
943 }
|
|
|
944
|
|
|
945 if (ch < '0' || ch > '9') {
|
|
|
946 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
947 }
|
|
|
948
|
|
|
949 break;
|
|
|
950
|
|
|
951 /* the first digit of minor HTTP version */
|
|
|
952 case sw_first_minor_digit:
|
|
|
953 if (ch < '0' || ch > '9') {
|
|
|
954 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
955 }
|
|
|
956
|
|
|
957 state = sw_minor_digit;
|
|
|
958 break;
|
|
|
959
|
|
|
960 /* the minor HTTP version or the end of the request line */
|
|
|
961 case sw_minor_digit:
|
|
|
962 if (ch == ' ') {
|
|
|
963 state = sw_status;
|
|
|
964 break;
|
|
|
965 }
|
|
|
966
|
|
|
967 if (ch < '0' || ch > '9') {
|
|
|
968 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
969 }
|
|
|
970
|
|
|
971 break;
|
|
|
972
|
|
|
973 /* HTTP status code */
|
|
|
974 case sw_status:
|
|
168
|
975 if (ch == ' ') {
|
|
|
976 break;
|
|
|
977 }
|
|
|
978
|
|
58
|
979 if (ch < '0' || ch > '9') {
|
|
|
980 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
981 }
|
|
|
982
|
|
|
983 p->status = p->status * 10 + ch - '0';
|
|
|
984
|
|
|
985 if (++p->status_count == 3) {
|
|
|
986 state = sw_space_after_status;
|
|
|
987 p->status_start = pos - 2;
|
|
|
988 }
|
|
|
989
|
|
|
990 break;
|
|
|
991
|
|
|
992 /* space or end of line */
|
|
|
993 case sw_space_after_status:
|
|
|
994 switch (ch) {
|
|
126
|
995 case ' ':
|
|
58
|
996 state = sw_status_text;
|
|
|
997 break;
|
|
|
998 case '.': /* IIS may send 403.1, 403.2, etc */
|
|
|
999 state = sw_status_text;
|
|
|
1000 break;
|
|
|
1001 case CR:
|
|
|
1002 state = sw_almost_done;
|
|
|
1003 break;
|
|
|
1004 case LF:
|
|
|
1005 goto done;
|
|
|
1006 default:
|
|
|
1007 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1008 }
|
|
|
1009 break;
|
|
|
1010
|
|
|
1011 /* any text until end of line */
|
|
|
1012 case sw_status_text:
|
|
|
1013 switch (ch) {
|
|
|
1014 case CR:
|
|
|
1015 state = sw_almost_done;
|
|
|
1016
|
|
|
1017 break;
|
|
|
1018 case LF:
|
|
|
1019 goto done;
|
|
|
1020 }
|
|
|
1021 break;
|
|
|
1022
|
|
76
|
1023 /* end of status line */
|
|
58
|
1024 case sw_almost_done:
|
|
|
1025 p->status_end = pos - 1;
|
|
|
1026 switch (ch) {
|
|
|
1027 case LF:
|
|
|
1028 goto done;
|
|
|
1029 default:
|
|
|
1030 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1031 }
|
|
|
1032 }
|
|
|
1033 }
|
|
|
1034
|
|
130
|
1035 u->buffer.pos = pos;
|
|
58
|
1036 r->state = state;
|
|
|
1037
|
|
|
1038 return NGX_AGAIN;
|
|
|
1039
|
|
|
1040 done:
|
|
|
1041
|
|
130
|
1042 u->buffer.pos = pos + 1;
|
|
58
|
1043
|
|
|
1044 if (p->status_end == NULL) {
|
|
|
1045 p->status_end = pos;
|
|
|
1046 }
|
|
|
1047
|
|
|
1048 r->state = sw_start;
|
|
|
1049
|
|
|
1050 return NGX_OK;
|
|
|
1051 }
|
|
|
1052
|
|
|
1053
|
|
|
1054 static ngx_int_t
|
|
|
1055 ngx_http_proxy_process_header(ngx_http_request_t *r)
|
|
|
1056 {
|
|
|
1057 ngx_int_t rc;
|
|
|
1058 ngx_uint_t key;
|
|
|
1059 ngx_table_elt_t *h;
|
|
|
1060 ngx_http_upstream_header_t *hh;
|
|
|
1061 ngx_http_upstream_main_conf_t *umcf;
|
|
|
1062
|
|
|
1063 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
1064 hh = (ngx_http_upstream_header_t *) umcf->headers_in_hash.buckets;
|
|
|
1065
|
|
|
1066 for ( ;; ) {
|
|
|
1067
|
|
130
|
1068 rc = ngx_http_parse_header_line(r, &r->upstream->buffer);
|
|
58
|
1069
|
|
|
1070 if (rc == NGX_OK) {
|
|
|
1071
|
|
|
1072 /* a header line has been parsed successfully */
|
|
|
1073
|
|
|
1074 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1075 if (h == NULL) {
|
|
|
1076 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1077 }
|
|
|
1078
|
|
|
1079 h->hash = r->header_hash;
|
|
|
1080
|
|
|
1081 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
1082 h->value.len = r->header_end - r->header_start;
|
|
|
1083
|
|
|
1084 h->key.data = ngx_palloc(r->pool,
|
|
|
1085 h->key.len + 1 + h->value.len + 1);
|
|
|
1086 if (h->key.data == NULL) {
|
|
|
1087 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1088 }
|
|
|
1089
|
|
|
1090 h->value.data = h->key.data + h->key.len + 1;
|
|
|
1091
|
|
|
1092 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
|
1093 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
|
1094
|
|
|
1095 key = h->hash % umcf->headers_in_hash.hash_size;
|
|
|
1096
|
|
|
1097 if (hh[key].name.len == h->key.len
|
|
|
1098 && ngx_strcasecmp(hh[key].name.data, h->key.data) == 0)
|
|
|
1099 {
|
|
|
1100 if (hh[key].handler(r, h, hh[key].offset) != NGX_OK) {
|
|
|
1101 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1102 }
|
|
|
1103 }
|
|
|
1104
|
|
|
1105 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1106 "http proxy header: \"%V: %V\"",
|
|
|
1107 &h->key, &h->value);
|
|
|
1108
|
|
|
1109 continue;
|
|
|
1110 }
|
|
|
1111
|
|
|
1112 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
|
1113
|
|
|
1114 /* a whole header has been parsed successfully */
|
|
|
1115
|
|
|
1116 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1117 "http proxy header done");
|
|
|
1118
|
|
|
1119 return NGX_OK;
|
|
|
1120 }
|
|
|
1121
|
|
70
|
1122 if (rc == NGX_AGAIN) {
|
|
|
1123 return NGX_AGAIN;
|
|
|
1124 }
|
|
|
1125
|
|
58
|
1126 /* there was error while a header line parsing */
|
|
|
1127
|
|
|
1128 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
168
|
1129 "upstream sent invalid header");
|
|
58
|
1130
|
|
|
1131 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1132 }
|
|
|
1133 }
|
|
|
1134
|
|
|
1135
|
|
|
1136 static void
|
|
|
1137 ngx_http_proxy_abort_request(ngx_http_request_t *r)
|
|
|
1138 {
|
|
|
1139 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1140 "abort http proxy request");
|
|
126
|
1141
|
|
58
|
1142 return;
|
|
|
1143 }
|
|
|
1144
|
|
|
1145
|
|
|
1146 static void
|
|
|
1147 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
126
|
1148 {
|
|
58
|
1149 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1150 "finalize http proxy request");
|
|
|
1151
|
|
|
1152 return;
|
|
|
1153 }
|
|
|
1154
|
|
|
1155
|
|
122
|
1156 static ngx_int_t
|
|
|
1157 ngx_http_proxy_host_variable(ngx_http_request_t *r,
|
|
|
1158 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1159 {
|
|
|
1160 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1161
|
|
|
1162 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1163
|
|
122
|
1164 v->len = plcf->host_header.len;
|
|
126
|
1165 v->valid = 1;
|
|
122
|
1166 v->no_cachable = 0;
|
|
|
1167 v->not_found = 0;
|
|
|
1168 v->data = plcf->host_header.data;
|
|
58
|
1169
|
|
122
|
1170 return NGX_OK;
|
|
58
|
1171 }
|
|
|
1172
|
|
|
1173
|
|
122
|
1174 static ngx_int_t
|
|
|
1175 ngx_http_proxy_port_variable(ngx_http_request_t *r,
|
|
|
1176 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1177 {
|
|
|
1178 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1179
|
|
|
1180 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1181
|
|
122
|
1182 v->len = plcf->port_text.len;
|
|
126
|
1183 v->valid = 1;
|
|
122
|
1184 v->no_cachable = 0;
|
|
|
1185 v->not_found = 0;
|
|
|
1186 v->data = plcf->port_text.data;
|
|
58
|
1187
|
|
122
|
1188 return NGX_OK;
|
|
58
|
1189 }
|
|
|
1190
|
|
|
1191
|
|
122
|
1192 static ngx_int_t
|
|
58
|
1193 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
|
|
122
|
1194 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1195 {
|
|
122
|
1196 u_char *p;
|
|
58
|
1197
|
|
126
|
1198 v->valid = 1;
|
|
122
|
1199 v->no_cachable = 0;
|
|
|
1200 v->not_found = 0;
|
|
58
|
1201
|
|
|
1202 if (r->headers_in.x_forwarded_for == NULL) {
|
|
122
|
1203 v->len = r->connection->addr_text.len;
|
|
|
1204 v->data = r->connection->addr_text.data;
|
|
|
1205 return NGX_OK;
|
|
58
|
1206 }
|
|
|
1207
|
|
122
|
1208 v->len = r->headers_in.x_forwarded_for->value.len
|
|
|
1209 + sizeof(", ") - 1 + r->connection->addr_text.len;
|
|
58
|
1210
|
|
122
|
1211 p = ngx_palloc(r->pool, v->len);
|
|
58
|
1212 if (p == NULL) {
|
|
122
|
1213 return NGX_ERROR;
|
|
58
|
1214 }
|
|
|
1215
|
|
122
|
1216 v->data = p;
|
|
58
|
1217
|
|
122
|
1218 p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data,
|
|
|
1219 r->headers_in.x_forwarded_for->value.len);
|
|
58
|
1220
|
|
|
1221 *p++ = ','; *p++ = ' ';
|
|
|
1222
|
|
|
1223 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len);
|
|
|
1224
|
|
122
|
1225 return NGX_OK;
|
|
58
|
1226 }
|
|
|
1227
|
|
|
1228
|
|
|
1229 static ngx_int_t
|
|
126
|
1230 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
|
|
|
1231 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1232 {
|
|
|
1233 ngx_http_proxy_ctx_t *p;
|
|
|
1234
|
|
|
1235 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1236
|
|
|
1237 if (p == NULL) {
|
|
|
1238 v->not_found = 1;
|
|
|
1239 return NGX_OK;
|
|
|
1240 }
|
|
|
1241
|
|
|
1242 v->valid = 1;
|
|
|
1243 v->no_cachable = 0;
|
|
|
1244 v->not_found = 0;
|
|
|
1245
|
|
|
1246 v->data = ngx_palloc(r->connection->pool, NGX_SIZE_T_LEN);
|
|
|
1247
|
|
|
1248 if (v->data == NULL) {
|
|
|
1249 return NGX_ERROR;
|
|
|
1250 }
|
|
|
1251
|
|
|
1252 v->len = ngx_sprintf(v->data, "%uz", p->internal_body_length) - v->data;
|
|
|
1253
|
|
|
1254 return NGX_OK;
|
|
|
1255 }
|
|
|
1256
|
|
|
1257
|
|
|
1258 static ngx_int_t
|
|
58
|
1259 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1260 size_t prefix)
|
|
|
1261 {
|
|
|
1262 ngx_int_t rc;
|
|
|
1263 ngx_uint_t i;
|
|
|
1264 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1265 ngx_http_proxy_redirect_t *pr;
|
|
|
1266
|
|
|
1267 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1268
|
|
|
1269 pr = plcf->redirects->elts;
|
|
|
1270
|
|
|
1271 if (pr == NULL) {
|
|
|
1272 return NGX_DECLINED;
|
|
|
1273 }
|
|
|
1274
|
|
|
1275 for (i = 0; i < plcf->redirects->nelts; i++) {
|
|
154
|
1276 rc = pr[i].handler(r, h, prefix, &pr[i]);
|
|
58
|
1277
|
|
|
1278 if (rc != NGX_DECLINED) {
|
|
|
1279 return rc;
|
|
|
1280 }
|
|
|
1281 }
|
|
|
1282
|
|
|
1283 return NGX_DECLINED;
|
|
|
1284 }
|
|
|
1285
|
|
|
1286
|
|
|
1287 static ngx_int_t
|
|
|
1288 ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1289 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1290 {
|
|
|
1291 size_t len;
|
|
|
1292 u_char *data, *p;
|
|
|
1293
|
|
|
1294 if (pr->redirect.len > h->value.len - prefix
|
|
|
1295 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1296 pr->redirect.len) != 0)
|
|
|
1297 {
|
|
|
1298 return NGX_DECLINED;
|
|
|
1299 }
|
|
|
1300
|
|
|
1301 len = prefix + pr->replacement.text.len + h->value.len - pr->redirect.len;
|
|
|
1302
|
|
|
1303 data = ngx_palloc(r->pool, len);
|
|
|
1304 if (data == NULL) {
|
|
|
1305 return NGX_ERROR;
|
|
|
1306 }
|
|
|
1307
|
|
|
1308 p = data;
|
|
|
1309
|
|
122
|
1310 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1311
|
|
122
|
1312 p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len);
|
|
58
|
1313
|
|
|
1314 ngx_memcpy(p, h->value.data + prefix + pr->redirect.len,
|
|
|
1315 h->value.len - pr->redirect.len - prefix);
|
|
|
1316
|
|
|
1317 h->value.len = len;
|
|
|
1318 h->value.data = data;
|
|
|
1319
|
|
|
1320 return NGX_OK;
|
|
|
1321 }
|
|
|
1322
|
|
|
1323
|
|
|
1324 static ngx_int_t
|
|
|
1325 ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1326 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1327 {
|
|
|
1328 size_t len;
|
|
|
1329 u_char *data, *p;
|
|
|
1330 ngx_http_script_code_pt code;
|
|
|
1331 ngx_http_script_engine_t e;
|
|
|
1332 ngx_http_script_len_code_pt lcode;
|
|
|
1333
|
|
|
1334 if (pr->redirect.len > h->value.len - prefix
|
|
|
1335 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1336 pr->redirect.len) != 0)
|
|
|
1337 {
|
|
|
1338 return NGX_DECLINED;
|
|
|
1339 }
|
|
|
1340
|
|
|
1341 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
1342
|
|
|
1343 e.ip = pr->replacement.vars.lengths;
|
|
|
1344 e.request = r;
|
|
|
1345
|
|
|
1346 for (len = prefix; *(uintptr_t *) e.ip; len += lcode(&e)) {
|
|
|
1347 lcode = *(ngx_http_script_len_code_pt *) e.ip;
|
|
|
1348 }
|
|
|
1349
|
|
|
1350 data = ngx_palloc(r->pool, len);
|
|
|
1351 if (data == NULL) {
|
|
|
1352 return NGX_ERROR;
|
|
|
1353 }
|
|
|
1354
|
|
|
1355 p = data;
|
|
|
1356
|
|
122
|
1357 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1358
|
|
|
1359 e.ip = pr->replacement.vars.values;
|
|
|
1360 e.pos = p;
|
|
|
1361
|
|
|
1362 while (*(uintptr_t *) e.ip) {
|
|
|
1363 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1364 code(&e);
|
|
|
1365 }
|
|
|
1366
|
|
|
1367 h->value.len = len;
|
|
|
1368 h->value.data = data;
|
|
|
1369
|
|
|
1370 return NGX_OK;
|
|
|
1371 }
|
|
|
1372
|
|
|
1373
|
|
|
1374 static ngx_int_t
|
|
|
1375 ngx_http_proxy_add_variables(ngx_conf_t *cf)
|
|
|
1376 {
|
|
|
1377 ngx_http_variable_t *var, *v;
|
|
|
1378
|
|
|
1379 for (v = ngx_http_proxy_vars; v->name.len; v++) {
|
|
|
1380 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
1381 if (var == NULL) {
|
|
|
1382 return NGX_ERROR;
|
|
|
1383 }
|
|
|
1384
|
|
|
1385 var->handler = v->handler;
|
|
|
1386 var->data = v->data;
|
|
|
1387 }
|
|
|
1388
|
|
|
1389 return NGX_OK;
|
|
|
1390 }
|
|
|
1391
|
|
|
1392
|
|
|
1393 static void *
|
|
|
1394 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
|
|
|
1395 {
|
|
|
1396 ngx_http_proxy_loc_conf_t *conf;
|
|
|
1397
|
|
|
1398 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t));
|
|
|
1399 if (conf == NULL) {
|
|
|
1400 return NGX_CONF_ERROR;
|
|
|
1401 }
|
|
|
1402
|
|
|
1403 /*
|
|
|
1404 * set by ngx_pcalloc():
|
|
|
1405 *
|
|
|
1406 * conf->upstream.bufs.num = 0;
|
|
|
1407 * conf->upstream.next_upstream = 0;
|
|
|
1408 * conf->upstream.temp_path = NULL;
|
|
|
1409 * conf->upstream.schema = { 0, NULL };
|
|
|
1410 * conf->upstream.uri = { 0, NULL };
|
|
|
1411 * conf->upstream.location = NULL;
|
|
|
1412 *
|
|
110
|
1413 * conf->method = NULL;
|
|
58
|
1414 * conf->headers_source = NULL;
|
|
|
1415 * conf->headers_set_len = NULL;
|
|
|
1416 * conf->headers_set = NULL;
|
|
|
1417 * conf->headers_set_hash = NULL;
|
|
126
|
1418 * conf->body_set_len = NULL;
|
|
|
1419 * conf->body_set = NULL;
|
|
|
1420 * conf->body_source = { 0, NULL };
|
|
58
|
1421 * conf->rewrite_locations = NULL;
|
|
|
1422 */
|
|
126
|
1423
|
|
130
|
1424 conf->upstream.buffering = NGX_CONF_UNSET;
|
|
178
|
1425 conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
|
|
130
|
1426
|
|
58
|
1427 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1428 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1429 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1430
|
|
|
1431 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
130
|
1432 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
78
|
1433
|
|
|
1434 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
126
|
1435 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
78
|
1436 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
58
|
1437
|
|
110
|
1438 conf->upstream.max_fails = NGX_CONF_UNSET_UINT;
|
|
|
1439 conf->upstream.fail_timeout = NGX_CONF_UNSET;
|
|
|
1440
|
|
58
|
1441 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
|
1442 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
110
|
1443
|
|
58
|
1444 conf->upstream.redirect_errors = NGX_CONF_UNSET;
|
|
|
1445
|
|
|
1446 /* "proxy_cyclic_temp_file" is disabled */
|
|
|
1447 conf->upstream.cyclic_temp_file = 0;
|
|
|
1448
|
|
|
1449 conf->upstream.pass_x_powered_by = NGX_CONF_UNSET;
|
|
|
1450 conf->upstream.pass_server = NGX_CONF_UNSET;
|
|
|
1451 conf->upstream.pass_date = 0;
|
|
|
1452 conf->upstream.pass_x_accel_expires = NGX_CONF_UNSET;
|
|
|
1453
|
|
|
1454 conf->redirect = NGX_CONF_UNSET;
|
|
|
1455
|
|
|
1456 return conf;
|
|
|
1457 }
|
|
|
1458
|
|
|
1459
|
|
|
1460 static char *
|
|
|
1461 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1462 {
|
|
|
1463 ngx_http_proxy_loc_conf_t *prev = parent;
|
|
|
1464 ngx_http_proxy_loc_conf_t *conf = child;
|
|
|
1465
|
|
|
1466 u_char *p;
|
|
|
1467 size_t size;
|
|
|
1468 uintptr_t *code;
|
|
|
1469 ngx_str_t *name;
|
|
|
1470 ngx_uint_t i;
|
|
|
1471 ngx_table_elt_t *src, *s, *h;
|
|
|
1472 ngx_http_proxy_redirect_t *pr;
|
|
|
1473 ngx_http_script_compile_t sc;
|
|
|
1474 ngx_http_script_copy_code_t *copy;
|
|
|
1475
|
|
130
|
1476 ngx_conf_merge_value(conf->upstream.buffering,
|
|
|
1477 prev->upstream.buffering, 1);
|
|
|
1478
|
|
178
|
1479 ngx_conf_merge_value(conf->upstream.ignore_client_abort,
|
|
|
1480 prev->upstream.ignore_client_abort, 0);
|
|
|
1481
|
|
58
|
1482 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
1483 prev->upstream.connect_timeout, 60000);
|
|
|
1484
|
|
|
1485 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
1486 prev->upstream.send_timeout, 60000);
|
|
|
1487
|
|
|
1488 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
1489 prev->upstream.read_timeout, 60000);
|
|
|
1490
|
|
|
1491 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
|
1492 prev->upstream.send_lowat, 0);
|
|
|
1493
|
|
130
|
1494 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
|
1495 prev->upstream.buffer_size,
|
|
58
|
1496 (size_t) ngx_pagesize);
|
|
|
1497
|
|
|
1498 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
|
1499 8, ngx_pagesize);
|
|
|
1500
|
|
|
1501 if (conf->upstream.bufs.num < 2) {
|
|
126
|
1502 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
58
|
1503 "there must be at least 2 \"proxy_buffers\"");
|
|
|
1504 return NGX_CONF_ERROR;
|
|
|
1505 }
|
|
126
|
1506
|
|
58
|
1507
|
|
130
|
1508 size = conf->upstream.buffer_size;
|
|
126
|
1509 if (size < conf->upstream.bufs.size) {
|
|
58
|
1510 size = conf->upstream.bufs.size;
|
|
|
1511 }
|
|
|
1512
|
|
|
1513
|
|
78
|
1514 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
|
1515 prev->upstream.busy_buffers_size_conf,
|
|
58
|
1516 NGX_CONF_UNSET_SIZE);
|
|
|
1517
|
|
78
|
1518 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1519 conf->upstream.busy_buffers_size = 2 * size;
|
|
78
|
1520 } else {
|
|
|
1521 conf->upstream.busy_buffers_size =
|
|
|
1522 conf->upstream.busy_buffers_size_conf;
|
|
|
1523 }
|
|
126
|
1524
|
|
78
|
1525 if (conf->upstream.busy_buffers_size < size) {
|
|
58
|
1526 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1527 "\"proxy_busy_buffers_size\" must be equal or bigger than "
|
|
|
1528 "maximum of the value of \"proxy_header_buffer_size\" and "
|
|
|
1529 "one of the \"proxy_buffers\"");
|
|
|
1530
|
|
|
1531 return NGX_CONF_ERROR;
|
|
78
|
1532 }
|
|
58
|
1533
|
|
78
|
1534 if (conf->upstream.busy_buffers_size
|
|
|
1535 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
58
|
1536 {
|
|
|
1537 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1538 "\"proxy_busy_buffers_size\" must be less than "
|
|
|
1539 "the size of all \"proxy_buffers\" minus one buffer");
|
|
|
1540
|
|
|
1541 return NGX_CONF_ERROR;
|
|
|
1542 }
|
|
78
|
1543
|
|
58
|
1544
|
|
78
|
1545 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
|
1546 prev->upstream.temp_file_write_size_conf,
|
|
58
|
1547 NGX_CONF_UNSET_SIZE);
|
|
|
1548
|
|
78
|
1549 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1550 conf->upstream.temp_file_write_size = 2 * size;
|
|
78
|
1551 } else {
|
|
|
1552 conf->upstream.temp_file_write_size =
|
|
|
1553 conf->upstream.temp_file_write_size_conf;
|
|
|
1554 }
|
|
126
|
1555
|
|
78
|
1556 if (conf->upstream.temp_file_write_size < size) {
|
|
58
|
1557 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1558 "\"proxy_temp_file_write_size\" must be equal or bigger than "
|
|
|
1559 "maximum of the value of \"proxy_header_buffer_size\" and "
|
|
|
1560 "one of the \"proxy_buffers\"");
|
|
|
1561
|
|
|
1562 return NGX_CONF_ERROR;
|
|
|
1563 }
|
|
|
1564
|
|
78
|
1565 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
|
1566 prev->upstream.max_temp_file_size_conf,
|
|
58
|
1567 NGX_CONF_UNSET_SIZE);
|
|
|
1568
|
|
78
|
1569 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1570 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
78
|
1571 } else {
|
|
|
1572 conf->upstream.max_temp_file_size =
|
|
|
1573 conf->upstream.max_temp_file_size_conf;
|
|
|
1574 }
|
|
58
|
1575
|
|
78
|
1576 if (conf->upstream.max_temp_file_size != 0
|
|
|
1577 && conf->upstream.max_temp_file_size < size)
|
|
58
|
1578 {
|
|
|
1579 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
110
|
1580 "\"proxy_max_temp_file_size\" must be equal to zero to disable "
|
|
58
|
1581 "the temporary files usage or must be equal or bigger than "
|
|
110
|
1582 "maximum of the value of \"proxy_header_buffer_size\" and "
|
|
|
1583 "one of the \"proxy_buffers\"");
|
|
58
|
1584
|
|
|
1585 return NGX_CONF_ERROR;
|
|
|
1586 }
|
|
|
1587
|
|
78
|
1588
|
|
58
|
1589 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
1590 prev->upstream.next_upstream,
|
|
|
1591 (NGX_CONF_BITMASK_SET
|
|
|
1592 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
1593 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
1594
|
|
110
|
1595 ngx_conf_merge_unsigned_value(conf->upstream.max_fails,
|
|
|
1596 prev->upstream.max_fails, 1);
|
|
|
1597
|
|
|
1598 ngx_conf_merge_sec_value(conf->upstream.fail_timeout,
|
|
|
1599 prev->upstream.fail_timeout, 10);
|
|
|
1600
|
|
|
1601 if (conf->peers && conf->peers->number > 1) {
|
|
|
1602 for (i = 0; i < conf->peers->number; i++) {
|
|
|
1603 conf->peers->peer[i].weight = 1;
|
|
|
1604 conf->peers->peer[i].max_fails = conf->upstream.max_fails;
|
|
|
1605 conf->peers->peer[i].fail_timeout = conf->upstream.fail_timeout;
|
|
|
1606 }
|
|
|
1607 }
|
|
|
1608
|
|
58
|
1609 ngx_conf_merge_path_value(conf->upstream.temp_path,
|
|
|
1610 prev->upstream.temp_path,
|
|
|
1611 NGX_HTTP_PROXY_TEMP_PATH, 1, 2, 0,
|
|
|
1612 ngx_garbage_collector_temp_handler, cf);
|
|
|
1613
|
|
110
|
1614 if (conf->method.len == 0) {
|
|
|
1615 conf->method = prev->method;
|
|
|
1616
|
|
|
1617 } else {
|
|
|
1618 conf->method.data[conf->method.len] = ' ';
|
|
|
1619 conf->method.len++;
|
|
58
|
1620 }
|
|
|
1621
|
|
|
1622 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
|
1623 prev->upstream.pass_request_headers, 1);
|
|
|
1624 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
|
1625 prev->upstream.pass_request_body, 1);
|
|
|
1626
|
|
78
|
1627 ngx_conf_merge_value(conf->upstream.redirect_errors,
|
|
58
|
1628 prev->upstream.redirect_errors, 0);
|
|
|
1629
|
|
78
|
1630 ngx_conf_merge_value(conf->upstream.pass_x_powered_by,
|
|
58
|
1631 prev->upstream.pass_x_powered_by, 1);
|
|
78
|
1632 ngx_conf_merge_value(conf->upstream.pass_server,
|
|
58
|
1633 prev->upstream.pass_server, 0);
|
|
78
|
1634 ngx_conf_merge_value(conf->upstream.pass_x_accel_expires,
|
|
58
|
1635 prev->upstream.pass_x_accel_expires, 0);
|
|
|
1636
|
|
|
1637
|
|
|
1638 ngx_conf_merge_value(conf->redirect, prev->redirect, 1);
|
|
|
1639
|
|
|
1640 if (conf->redirect) {
|
|
|
1641
|
|
|
1642 if (conf->redirects == NULL) {
|
|
|
1643 conf->redirects = prev->redirects;
|
|
|
1644 }
|
|
|
1645
|
|
|
1646 if (conf->redirects == NULL && conf->upstream.url.data) {
|
|
|
1647
|
|
|
1648 conf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
1649 sizeof(ngx_http_proxy_redirect_t));
|
|
|
1650 if (conf->redirects == NULL) {
|
|
|
1651 return NGX_CONF_ERROR;
|
|
|
1652 }
|
|
|
1653
|
|
|
1654 pr = ngx_array_push(conf->redirects);
|
|
|
1655 if (pr == NULL) {
|
|
|
1656 return NGX_CONF_ERROR;
|
|
|
1657 }
|
|
|
1658
|
|
|
1659 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
1660 pr->redirect = conf->upstream.url;
|
|
122
|
1661 pr->replacement.text = conf->upstream.location;
|
|
58
|
1662 }
|
|
|
1663 }
|
|
|
1664
|
|
|
1665
|
|
|
1666 if (conf->peers == NULL) {
|
|
|
1667 conf->peers = prev->peers;
|
|
178
|
1668
|
|
|
1669 conf->host_header = prev->host_header;
|
|
|
1670 conf->port_text = prev->port_text;
|
|
|
1671 conf->upstream.schema = prev->upstream.schema;
|
|
58
|
1672 }
|
|
|
1673
|
|
126
|
1674
|
|
|
1675 if (conf->body_source.data == NULL) {
|
|
|
1676 conf->body_source = prev->body_source;
|
|
|
1677 conf->body_set_len = prev->body_set_len;
|
|
|
1678 conf->body_set = prev->body_set;
|
|
|
1679 }
|
|
|
1680
|
|
128
|
1681 if (conf->body_source.data && conf->body_set_len == NULL) {
|
|
126
|
1682
|
|
|
1683 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1684
|
|
|
1685 sc.cf = cf;
|
|
|
1686 sc.source = &conf->body_source;
|
|
|
1687 sc.flushes = &conf->flushes;
|
|
|
1688 sc.lengths = &conf->body_set_len;
|
|
|
1689 sc.values = &conf->body_set;
|
|
|
1690 sc.complete_lengths = 1;
|
|
|
1691 sc.complete_values = 1;
|
|
|
1692
|
|
|
1693 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1694 return NGX_CONF_ERROR;
|
|
|
1695 }
|
|
|
1696
|
|
|
1697 if (conf->headers_source == NULL) {
|
|
|
1698 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
|
1699 sizeof(ngx_table_elt_t));
|
|
|
1700 if (conf->headers_source == NULL) {
|
|
|
1701 return NGX_CONF_ERROR;
|
|
|
1702 }
|
|
|
1703 }
|
|
|
1704
|
|
|
1705 s = ngx_array_push(conf->headers_source);
|
|
|
1706 if (s == NULL) {
|
|
|
1707 return NGX_CONF_ERROR;
|
|
|
1708 }
|
|
|
1709
|
|
|
1710 s->hash = 0;
|
|
|
1711 s->key.len = sizeof("Content-Length") - 1;
|
|
|
1712 s->key.data = (u_char *) "Content-Length";
|
|
|
1713 s->value.len = sizeof("$proxy_internal_body_length") - 1;
|
|
|
1714 s->value.data = (u_char *) "$proxy_internal_body_length";
|
|
|
1715 }
|
|
|
1716
|
|
|
1717
|
|
58
|
1718 if (conf->headers_source == NULL) {
|
|
122
|
1719 conf->flushes = prev->flushes;
|
|
58
|
1720 conf->headers_set_len = prev->headers_set_len;
|
|
|
1721 conf->headers_set = prev->headers_set;
|
|
|
1722 conf->headers_set_hash = prev->headers_set_hash;
|
|
122
|
1723 conf->headers_source = prev->headers_source;
|
|
58
|
1724 }
|
|
|
1725
|
|
|
1726 if (conf->headers_set_hash) {
|
|
|
1727 return NGX_CONF_OK;
|
|
|
1728 }
|
|
|
1729
|
|
|
1730
|
|
|
1731 conf->headers_names = ngx_array_create(cf->pool, 4, sizeof(ngx_str_t));
|
|
|
1732 if (conf->headers_names == NULL) {
|
|
|
1733 return NGX_CONF_ERROR;
|
|
|
1734 }
|
|
|
1735
|
|
|
1736 if (conf->headers_source == NULL) {
|
|
|
1737 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
|
1738 sizeof(ngx_table_elt_t));
|
|
|
1739 if (conf->headers_source == NULL) {
|
|
|
1740 return NGX_CONF_ERROR;
|
|
|
1741 }
|
|
|
1742 }
|
|
|
1743
|
|
|
1744 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1);
|
|
|
1745 if (conf->headers_set_len == NULL) {
|
|
|
1746 return NGX_CONF_ERROR;
|
|
|
1747 }
|
|
|
1748
|
|
|
1749 conf->headers_set = ngx_array_create(cf->pool, 512, 1);
|
|
|
1750 if (conf->headers_set == NULL) {
|
|
|
1751 return NGX_CONF_ERROR;
|
|
|
1752 }
|
|
|
1753
|
|
|
1754
|
|
|
1755 src = conf->headers_source->elts;
|
|
|
1756
|
|
|
1757 for (h = ngx_http_proxy_headers; h->key.len; h++) {
|
|
|
1758
|
|
|
1759 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
1760 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
|
1761 goto next;
|
|
|
1762 }
|
|
|
1763 }
|
|
|
1764
|
|
|
1765 s = ngx_array_push(conf->headers_source);
|
|
|
1766 if (s == NULL) {
|
|
|
1767 return NGX_CONF_ERROR;
|
|
|
1768 }
|
|
|
1769
|
|
|
1770 *s = *h;
|
|
|
1771
|
|
66
|
1772 src = conf->headers_source->elts;
|
|
|
1773
|
|
58
|
1774 next:
|
|
|
1775
|
|
|
1776 continue;
|
|
|
1777 }
|
|
|
1778
|
|
126
|
1779
|
|
|
1780 src = conf->headers_source->elts;
|
|
58
|
1781 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
1782
|
|
|
1783 name = ngx_array_push(conf->headers_names);
|
|
|
1784 if (name == NULL) {
|
|
|
1785 return NGX_CONF_ERROR;
|
|
|
1786 }
|
|
|
1787
|
|
|
1788 *name = src[i].key;
|
|
|
1789
|
|
68
|
1790 if (src[i].value.len == 0) {
|
|
|
1791 continue;
|
|
|
1792 }
|
|
|
1793
|
|
58
|
1794 if (ngx_http_script_variables_count(&src[i].value) == 0) {
|
|
|
1795 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
1796 sizeof(ngx_http_script_copy_code_t));
|
|
|
1797 if (copy == NULL) {
|
|
|
1798 return NGX_CONF_ERROR;
|
|
|
1799 }
|
|
|
1800
|
|
|
1801 copy->code = (ngx_http_script_code_pt)
|
|
|
1802 ngx_http_script_copy_len_code;
|
|
|
1803 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
1804 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
1805
|
|
|
1806
|
|
|
1807 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1808 + src[i].key.len + sizeof(": ") - 1
|
|
|
1809 + src[i].value.len + sizeof(CRLF) - 1
|
|
|
1810 + sizeof(uintptr_t) - 1)
|
|
|
1811 & ~(sizeof(uintptr_t) - 1);
|
|
|
1812
|
|
|
1813 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
1814 if (copy == NULL) {
|
|
|
1815 return NGX_CONF_ERROR;
|
|
|
1816 }
|
|
|
1817
|
|
|
1818 copy->code = ngx_http_script_copy_code;
|
|
|
1819 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
1820 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
1821
|
|
|
1822 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
1823
|
|
|
1824 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
1825 *p++ = ':'; *p++ = ' ';
|
|
|
1826 p = ngx_cpymem(p, src[i].value.data, src[i].value.len);
|
|
|
1827 *p++ = CR; *p = LF;
|
|
|
1828
|
|
|
1829 } else {
|
|
|
1830 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
1831 sizeof(ngx_http_script_copy_code_t));
|
|
|
1832 if (copy == NULL) {
|
|
|
1833 return NGX_CONF_ERROR;
|
|
|
1834 }
|
|
|
1835
|
|
|
1836 copy->code = (ngx_http_script_code_pt)
|
|
|
1837 ngx_http_script_copy_len_code;
|
|
|
1838 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
1839
|
|
|
1840
|
|
|
1841 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1842 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1)
|
|
|
1843 & ~(sizeof(uintptr_t) - 1);
|
|
|
1844
|
|
|
1845 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
1846 if (copy == NULL) {
|
|
|
1847 return NGX_CONF_ERROR;
|
|
|
1848 }
|
|
|
1849
|
|
|
1850 copy->code = ngx_http_script_copy_code;
|
|
|
1851 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
1852
|
|
|
1853 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
1854 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
1855 *p++ = ':'; *p = ' ';
|
|
|
1856
|
|
|
1857
|
|
|
1858 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1859
|
|
|
1860 sc.cf = cf;
|
|
|
1861 sc.source = &src[i].value;
|
|
122
|
1862 sc.flushes = &conf->flushes;
|
|
58
|
1863 sc.lengths = &conf->headers_set_len;
|
|
|
1864 sc.values = &conf->headers_set;
|
|
|
1865
|
|
|
1866 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1867 return NGX_CONF_ERROR;
|
|
|
1868 }
|
|
|
1869
|
|
|
1870
|
|
|
1871 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
1872 sizeof(ngx_http_script_copy_code_t));
|
|
|
1873 if (copy == NULL) {
|
|
|
1874 return NGX_CONF_ERROR;
|
|
|
1875 }
|
|
|
1876
|
|
|
1877 copy->code = (ngx_http_script_code_pt)
|
|
|
1878 ngx_http_script_copy_len_code;
|
|
|
1879 copy->len = sizeof(CRLF) - 1;
|
|
|
1880
|
|
|
1881
|
|
|
1882 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1883 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1)
|
|
|
1884 & ~(sizeof(uintptr_t) - 1);
|
|
|
1885
|
|
|
1886 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
1887 if (copy == NULL) {
|
|
|
1888 return NGX_CONF_ERROR;
|
|
|
1889 }
|
|
|
1890
|
|
|
1891 copy->code = ngx_http_script_copy_code;
|
|
|
1892 copy->len = sizeof(CRLF) - 1;
|
|
|
1893
|
|
|
1894 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
1895 *p++ = CR; *p = LF;
|
|
|
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 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t));
|
|
|
1906 if (code == NULL) {
|
|
|
1907 return NGX_CONF_ERROR;
|
|
|
1908 }
|
|
|
1909
|
|
|
1910 *code = (uintptr_t) NULL;
|
|
|
1911 }
|
|
|
1912
|
|
|
1913 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
1914 if (code == NULL) {
|
|
|
1915 return NGX_CONF_ERROR;
|
|
|
1916 }
|
|
|
1917
|
|
|
1918 *code = (uintptr_t) NULL;
|
|
|
1919
|
|
|
1920
|
|
138
|
1921 conf->headers_set_hash = ngx_pcalloc(cf->pool, sizeof(ngx_hash0_t));
|
|
58
|
1922 if (conf->headers_set_hash == NULL) {
|
|
|
1923 return NGX_CONF_ERROR;
|
|
|
1924 }
|
|
|
1925
|
|
|
1926 conf->headers_set_hash->max_size = 100;
|
|
|
1927 conf->headers_set_hash->bucket_limit = 1;
|
|
|
1928 conf->headers_set_hash->bucket_size = sizeof(ngx_str_t);
|
|
|
1929 conf->headers_set_hash->name = "proxy_headers";
|
|
|
1930
|
|
138
|
1931 if (ngx_hash0_init(conf->headers_set_hash, cf->pool,
|
|
|
1932 conf->headers_names->elts, conf->headers_names->nelts)
|
|
|
1933 != NGX_OK)
|
|
58
|
1934 {
|
|
|
1935 return NGX_CONF_ERROR;
|
|
|
1936 }
|
|
|
1937
|
|
|
1938 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, cf->log, 0,
|
|
|
1939 "proxy_headers hash size: %ui, "
|
|
|
1940 "max buckets per entry: %ui",
|
|
|
1941 conf->headers_set_hash->hash_size,
|
|
|
1942 conf->headers_set_hash->min_buckets);
|
|
|
1943
|
|
|
1944 return NGX_CONF_OK;
|
|
|
1945 }
|
|
|
1946
|
|
|
1947
|
|
|
1948 static char *
|
|
|
1949 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1950 {
|
|
|
1951 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
1952
|
|
126
|
1953 size_t add;
|
|
142
|
1954 u_short port;
|
|
58
|
1955 ngx_str_t *value, *url;
|
|
|
1956 ngx_inet_upstream_t inet_upstream;
|
|
|
1957 ngx_http_core_loc_conf_t *clcf;
|
|
126
|
1958 #if (NGX_HTTP_SSL)
|
|
|
1959 ngx_pool_cleanup_t *cln;
|
|
|
1960 #endif
|
|
58
|
1961 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
1962 ngx_unix_domain_upstream_t unix_upstream;
|
|
|
1963 #endif
|
|
|
1964
|
|
104
|
1965 if (plcf->upstream.schema.len) {
|
|
|
1966 return "is duplicate";
|
|
|
1967 }
|
|
|
1968
|
|
58
|
1969 value = cf->args->elts;
|
|
|
1970
|
|
|
1971 url = &value[1];
|
|
|
1972
|
|
126
|
1973 if (ngx_strncasecmp(url->data, "http://", 7) == 0) {
|
|
|
1974 add = 7;
|
|
140
|
1975 port = 80;
|
|
126
|
1976
|
|
|
1977 } else if (ngx_strncasecmp(url->data, "https://", 8) == 0) {
|
|
|
1978
|
|
|
1979 #if (NGX_HTTP_SSL)
|
|
|
1980
|
|
|
1981 add = 8;
|
|
140
|
1982 port = 443;
|
|
126
|
1983
|
|
|
1984 plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t));
|
|
|
1985 if (plcf->upstream.ssl == NULL) {
|
|
|
1986 return NGX_CONF_ERROR;
|
|
|
1987 }
|
|
|
1988
|
|
|
1989 plcf->upstream.ssl->log = cf->log;
|
|
|
1990
|
|
|
1991 if (ngx_ssl_create(plcf->upstream.ssl,
|
|
|
1992 NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1)
|
|
|
1993 != NGX_OK)
|
|
|
1994 {
|
|
|
1995 return NGX_CONF_ERROR;
|
|
|
1996 }
|
|
|
1997
|
|
|
1998 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
1999 if (cln == NULL) {
|
|
|
2000 return NGX_CONF_ERROR;
|
|
|
2001 }
|
|
|
2002
|
|
|
2003 cln->handler = ngx_ssl_cleanup_ctx;
|
|
|
2004 cln->data = plcf->upstream.ssl;
|
|
|
2005
|
|
|
2006 #else
|
|
|
2007 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2008 "https protocol requires SSL support");
|
|
|
2009 return NGX_CONF_ERROR;
|
|
|
2010 #endif
|
|
|
2011
|
|
|
2012 } else {
|
|
58
|
2013 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix");
|
|
|
2014 return NGX_CONF_ERROR;
|
|
|
2015 }
|
|
|
2016
|
|
126
|
2017 if (ngx_strncasecmp(url->data + add, "unix:", 5) == 0) {
|
|
58
|
2018
|
|
|
2019 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
2020
|
|
|
2021 ngx_memzero(&unix_upstream, sizeof(ngx_unix_domain_upstream_t));
|
|
|
2022
|
|
|
2023 unix_upstream.name = *url;
|
|
126
|
2024 unix_upstream.url.len = url->len - add;
|
|
|
2025 unix_upstream.url.data = url->data + add;
|
|
58
|
2026 unix_upstream.uri_part = 1;
|
|
|
2027
|
|
|
2028 plcf->peers = ngx_unix_upstream_parse(cf, &unix_upstream);
|
|
|
2029 if (plcf->peers == NULL) {
|
|
|
2030 return NGX_CONF_ERROR;
|
|
|
2031 }
|
|
|
2032
|
|
|
2033 plcf->host_header.len = sizeof("localhost") - 1;
|
|
|
2034 plcf->host_header.data = (u_char *) "localhost";
|
|
|
2035 plcf->upstream.uri = unix_upstream.uri;
|
|
|
2036
|
|
|
2037 #else
|
|
|
2038 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2039 "the unix domain sockets are not supported "
|
|
|
2040 "on this platform");
|
|
|
2041 return NGX_CONF_ERROR;
|
|
|
2042
|
|
|
2043 #endif
|
|
|
2044
|
|
|
2045 } else {
|
|
|
2046 ngx_memzero(&inet_upstream, sizeof(ngx_inet_upstream_t));
|
|
|
2047
|
|
|
2048 inet_upstream.name = *url;
|
|
126
|
2049 inet_upstream.url.len = url->len - add;
|
|
|
2050 inet_upstream.url.data = url->data + add;
|
|
140
|
2051 inet_upstream.default_port_value = port;
|
|
58
|
2052 inet_upstream.uri_part = 1;
|
|
|
2053
|
|
|
2054 plcf->peers = ngx_inet_upstream_parse(cf, &inet_upstream);
|
|
|
2055 if (plcf->peers == NULL) {
|
|
|
2056 return NGX_CONF_ERROR;
|
|
|
2057 }
|
|
|
2058
|
|
|
2059 plcf->host_header = inet_upstream.host_header;
|
|
|
2060 plcf->port_text = inet_upstream.port_text;
|
|
|
2061 plcf->upstream.uri = inet_upstream.uri;
|
|
|
2062 }
|
|
|
2063
|
|
140
|
2064 plcf->upstream.schema.len = add;
|
|
|
2065 plcf->upstream.schema.data = url->data;
|
|
58
|
2066
|
|
|
2067 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
2068
|
|
|
2069 clcf->handler = ngx_http_proxy_handler;
|
|
|
2070
|
|
122
|
2071 plcf->upstream.location = clcf->name;
|
|
104
|
2072
|
|
58
|
2073 #if (NGX_PCRE)
|
|
104
|
2074
|
|
178
|
2075 if (clcf->regex || clcf->noname) {
|
|
122
|
2076 if (plcf->upstream.uri.len) {
|
|
|
2077 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2078 "\"proxy_pass\" may not have URI part in "
|
|
178
|
2079 "location given by regular expression or "
|
|
|
2080 "inside the \"if\" statement");
|
|
122
|
2081 return NGX_CONF_ERROR;
|
|
|
2082 }
|
|
|
2083
|
|
|
2084 plcf->upstream.location.len = 0;
|
|
104
|
2085 }
|
|
|
2086
|
|
58
|
2087 #endif
|
|
|
2088
|
|
|
2089 plcf->upstream.url = *url;
|
|
|
2090
|
|
|
2091 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
2092 clcf->auto_redirect = 1;
|
|
|
2093 }
|
|
|
2094
|
|
|
2095 return NGX_CONF_OK;
|
|
|
2096 }
|
|
|
2097
|
|
|
2098
|
|
|
2099 static char *
|
|
|
2100 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2101 {
|
|
|
2102 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2103
|
|
|
2104 ngx_str_t *value;
|
|
|
2105 ngx_array_t *vars_lengths, *vars_values;
|
|
|
2106 ngx_http_script_compile_t sc;
|
|
|
2107 ngx_http_proxy_redirect_t *pr;
|
|
|
2108
|
|
|
2109 if (plcf->redirect == 0) {
|
|
|
2110 return NGX_CONF_OK;
|
|
|
2111 }
|
|
|
2112
|
|
|
2113 value = cf->args->elts;
|
|
|
2114
|
|
|
2115 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2116 plcf->redirect = 0;
|
|
|
2117 plcf->redirects = NULL;
|
|
|
2118 return NGX_CONF_OK;
|
|
|
2119 }
|
|
|
2120
|
|
|
2121 if (plcf->redirects == NULL) {
|
|
|
2122 plcf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
2123 sizeof(ngx_http_proxy_redirect_t));
|
|
|
2124 if (plcf->redirects == NULL) {
|
|
|
2125 return NGX_CONF_ERROR;
|
|
|
2126 }
|
|
|
2127 }
|
|
|
2128
|
|
|
2129 pr = ngx_array_push(plcf->redirects);
|
|
|
2130 if (pr == NULL) {
|
|
|
2131 return NGX_CONF_ERROR;
|
|
|
2132 }
|
|
|
2133
|
|
|
2134 if (cf->args->nelts == 2 && ngx_strcmp(value[1].data, "default") == 0) {
|
|
|
2135 if (plcf->upstream.url.data == NULL) {
|
|
|
2136 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2137 "\"proxy_rewrite_location default\" must go "
|
|
|
2138 "after the \"proxy_pass\" directive");
|
|
|
2139 return NGX_CONF_ERROR;
|
|
|
2140 }
|
|
|
2141
|
|
|
2142 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2143 pr->redirect = plcf->upstream.url;
|
|
122
|
2144 pr->replacement.text = plcf->upstream.location;
|
|
58
|
2145
|
|
|
2146 return NGX_CONF_OK;
|
|
|
2147 }
|
|
|
2148
|
|
|
2149 if (ngx_http_script_variables_count(&value[2]) == 0) {
|
|
|
2150 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2151 pr->redirect = value[1];
|
|
|
2152 pr->replacement.text = value[2];
|
|
|
2153
|
|
|
2154 return NGX_CONF_OK;
|
|
|
2155 }
|
|
|
2156
|
|
|
2157 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2158
|
|
|
2159 vars_lengths = NULL;
|
|
|
2160 vars_values = NULL;
|
|
|
2161
|
|
|
2162 sc.cf = cf;
|
|
|
2163 sc.source = &value[2];
|
|
|
2164 sc.lengths = &vars_lengths;
|
|
|
2165 sc.values = &vars_values;
|
|
|
2166 sc.complete_lengths = 1;
|
|
|
2167 sc.complete_values = 1;
|
|
|
2168
|
|
|
2169 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2170 return NGX_CONF_ERROR;
|
|
|
2171 }
|
|
|
2172
|
|
|
2173 pr->handler = ngx_http_proxy_rewrite_redirect_vars;
|
|
|
2174 pr->redirect = value[1];
|
|
|
2175 pr->replacement.vars.lengths = vars_lengths->elts;
|
|
|
2176 pr->replacement.vars.values = vars_values->elts;
|
|
|
2177
|
|
|
2178 return NGX_CONF_OK;
|
|
|
2179 }
|
|
|
2180
|
|
|
2181
|
|
|
2182 static char *
|
|
|
2183 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data)
|
|
|
2184 {
|
|
|
2185 #if (NGX_FREEBSD)
|
|
|
2186 ssize_t *np = data;
|
|
|
2187
|
|
|
2188 if (*np >= ngx_freebsd_net_inet_tcp_sendspace) {
|
|
|
2189 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2190 "\"proxy_send_lowat\" must be less than %d "
|
|
|
2191 "(sysctl net.inet.tcp.sendspace)",
|
|
|
2192 ngx_freebsd_net_inet_tcp_sendspace);
|
|
|
2193
|
|
|
2194 return NGX_CONF_ERROR;
|
|
|
2195 }
|
|
|
2196
|
|
|
2197 #elif !(NGX_HAVE_SO_SNDLOWAT)
|
|
|
2198 ssize_t *np = data;
|
|
|
2199
|
|
|
2200 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
2201 "\"proxy_send_lowat\" is not supported, ignored");
|
|
|
2202
|
|
|
2203 *np = 0;
|
|
|
2204
|
|
|
2205 #endif
|
|
|
2206
|
|
|
2207 return NGX_CONF_OK;
|
|
|
2208 }
|
