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1
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126
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2 /*
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58
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_event.h>
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10 #include <ngx_http.h>
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11
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12
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13 typedef struct ngx_http_proxy_redirect_s ngx_http_proxy_redirect_t;
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14
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15 typedef ngx_int_t (*ngx_http_proxy_redirect_pt)(ngx_http_request_t *r,
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16 ngx_table_elt_t *h, size_t prefix, ngx_http_proxy_redirect_t *pr);
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17
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18 struct ngx_http_proxy_redirect_s {
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200
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19 ngx_http_proxy_redirect_pt handler;
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20 ngx_str_t redirect;
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58
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21
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22 union {
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200
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23 ngx_str_t text;
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24
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25 struct {
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200
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26 void *lengths;
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27 void *values;
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58
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28 } vars;
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29
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200
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30 void *regex;
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58
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31 } replacement;
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32 };
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33
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34
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35 typedef struct {
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200
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36 ngx_http_upstream_conf_t upstream;
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37
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38 ngx_array_t *flushes;
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39 ngx_array_t *body_set_len;
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40 ngx_array_t *body_set;
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41 ngx_array_t *headers_set_len;
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42 ngx_array_t *headers_set;
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43 ngx_hash_t headers_set_hash;
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44
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45 ngx_array_t *headers_source;
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46 ngx_array_t *headers_names;
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47
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48 ngx_array_t *redirects;
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49
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50 ngx_str_t body_source;
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51
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52 ngx_str_t method;
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53 ngx_str_t host_header;
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54 ngx_str_t port_text;
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55
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56 ngx_flag_t redirect;
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58
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57 } ngx_http_proxy_loc_conf_t;
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58
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59
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60 typedef struct {
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200
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61 ngx_uint_t status;
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62 ngx_uint_t status_count;
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63 u_char *status_start;
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64 u_char *status_end;
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65
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66 size_t internal_body_length;
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58
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67 } ngx_http_proxy_ctx_t;
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68
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69
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70 #define NGX_HTTP_PROXY_PARSE_NO_HEADER 20
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71
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72
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73 static ngx_int_t ngx_http_proxy_create_request(ngx_http_request_t *r);
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74 static ngx_int_t ngx_http_proxy_reinit_request(ngx_http_request_t *r);
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75 static ngx_int_t ngx_http_proxy_process_status_line(ngx_http_request_t *r);
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76 static ngx_int_t ngx_http_proxy_parse_status_line(ngx_http_request_t *r,
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77 ngx_http_proxy_ctx_t *p);
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78 static ngx_int_t ngx_http_proxy_process_header(ngx_http_request_t *r);
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79 static void ngx_http_proxy_abort_request(ngx_http_request_t *r);
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80 static void ngx_http_proxy_finalize_request(ngx_http_request_t *r,
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81 ngx_int_t rc);
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82
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122
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83 static ngx_int_t ngx_http_proxy_host_variable(ngx_http_request_t *r,
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84 ngx_http_variable_value_t *v, uintptr_t data);
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85 static ngx_int_t ngx_http_proxy_port_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
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88 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
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122
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89 ngx_http_variable_value_t *v, uintptr_t data);
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126
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90 static ngx_int_t
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91 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
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92 ngx_http_variable_value_t *v, uintptr_t data);
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58
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93 static ngx_int_t ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r,
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94 ngx_table_elt_t *h, size_t prefix);
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95
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96 static ngx_int_t ngx_http_proxy_add_variables(ngx_conf_t *cf);
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97 static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf);
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98 static char *ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf,
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99 void *parent, void *child);
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100
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101 static char *ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd,
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102 void *conf);
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103 static char *ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd,
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104 void *conf);
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105
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106 static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data);
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107
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260
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108 static char *ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf,
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109 ngx_command_t *cmd, void *conf);
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110 static char *ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
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111 ngx_command_t *cmd, void *conf);
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112
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58
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113
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114 static ngx_conf_post_t ngx_http_proxy_lowat_post =
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115 { ngx_http_proxy_lowat_check };
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116
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130
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117 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_header_buffer_size = {
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118 ngx_conf_deprecated, "proxy_header_buffer_size", "proxy_buffer_size"
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119 };
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120
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206
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121 static ngx_conf_deprecated_t ngx_conf_deprecated_proxy_redirect_errors = {
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122 ngx_conf_deprecated, "proxy_redirect_errors", "proxy_intercept_errors"
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123 };
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124
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58
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125
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126 static ngx_conf_bitmask_t ngx_http_proxy_next_upstream_masks[] = {
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127 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
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128 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
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129 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
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130 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
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172
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131 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 },
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132 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
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214
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133 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF },
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58
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134 { ngx_null_string, 0 }
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135 };
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136
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137
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138 static ngx_command_t ngx_http_proxy_commands[] = {
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139
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140 { ngx_string("proxy_pass"),
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256
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141 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1,
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142 ngx_http_proxy_pass,
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143 NGX_HTTP_LOC_CONF_OFFSET,
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144 0,
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145 NULL },
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146
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147 { ngx_string("proxy_redirect"),
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148 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
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149 ngx_http_proxy_redirect,
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150 NGX_HTTP_LOC_CONF_OFFSET,
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151 0,
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152 NULL },
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153
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130
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154 { ngx_string("proxy_buffering"),
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155 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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156 ngx_conf_set_flag_slot,
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157 NGX_HTTP_LOC_CONF_OFFSET,
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158 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffering),
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159 NULL },
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160
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178
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161 { ngx_string("proxy_ignore_client_abort"),
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162 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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163 ngx_conf_set_flag_slot,
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164 NGX_HTTP_LOC_CONF_OFFSET,
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165 offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_client_abort),
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166 NULL },
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167
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168 { ngx_string("proxy_connect_timeout"),
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169 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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170 ngx_conf_set_msec_slot,
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171 NGX_HTTP_LOC_CONF_OFFSET,
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172 offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout),
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173 NULL },
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174
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175 { ngx_string("proxy_send_timeout"),
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176 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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177 ngx_conf_set_msec_slot,
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178 NGX_HTTP_LOC_CONF_OFFSET,
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179 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout),
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180 NULL },
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181
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182 { ngx_string("proxy_send_lowat"),
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183 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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184 ngx_conf_set_size_slot,
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185 NGX_HTTP_LOC_CONF_OFFSET,
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186 offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat),
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187 &ngx_http_proxy_lowat_post },
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188
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206
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189 { ngx_string("proxy_intercept_errors"),
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190 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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191 ngx_conf_set_flag_slot,
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192 NGX_HTTP_LOC_CONF_OFFSET,
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193 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors),
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194 NULL },
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195
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196 { ngx_string("proxy_redirect_errors"),
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197 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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198 ngx_conf_set_flag_slot,
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199 NGX_HTTP_LOC_CONF_OFFSET,
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206
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200 offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors),
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201 &ngx_conf_deprecated_proxy_redirect_errors },
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202
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203 { ngx_string("proxy_set_header"),
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204 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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198
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205 ngx_conf_set_keyval_slot,
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206 NGX_HTTP_LOC_CONF_OFFSET,
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207 offsetof(ngx_http_proxy_loc_conf_t, headers_source),
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208 NULL },
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209
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126
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210 { ngx_string("proxy_set_body"),
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211 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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212 ngx_conf_set_str_slot,
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213 NGX_HTTP_LOC_CONF_OFFSET,
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214 offsetof(ngx_http_proxy_loc_conf_t, body_source),
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215 NULL },
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216
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217 { ngx_string("proxy_method"),
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218 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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219 ngx_conf_set_str_slot,
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220 NGX_HTTP_LOC_CONF_OFFSET,
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221 offsetof(ngx_http_proxy_loc_conf_t, method),
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222 NULL },
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223
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224 { ngx_string("proxy_pass_request_headers"),
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225 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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226 ngx_conf_set_flag_slot,
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227 NGX_HTTP_LOC_CONF_OFFSET,
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228 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers),
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229 NULL },
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230
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231 { ngx_string("proxy_pass_request_body"),
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232 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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233 ngx_conf_set_flag_slot,
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234 NGX_HTTP_LOC_CONF_OFFSET,
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235 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body),
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236 NULL },
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237
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130
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238 { ngx_string("proxy_buffer_size"),
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239 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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240 ngx_conf_set_size_slot,
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241 NGX_HTTP_LOC_CONF_OFFSET,
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242 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
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243 NULL },
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244
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58
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245 { ngx_string("proxy_header_buffer_size"),
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246 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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247 ngx_conf_set_size_slot,
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248 NGX_HTTP_LOC_CONF_OFFSET,
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130
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249 offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size),
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250 &ngx_conf_deprecated_proxy_header_buffer_size },
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58
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251
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252 { ngx_string("proxy_read_timeout"),
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253 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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254 ngx_conf_set_msec_slot,
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255 NGX_HTTP_LOC_CONF_OFFSET,
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256 offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout),
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257 NULL },
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258
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259 { ngx_string("proxy_buffers"),
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260 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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261 ngx_conf_set_bufs_slot,
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262 NGX_HTTP_LOC_CONF_OFFSET,
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263 offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs),
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264 NULL },
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265
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266 { ngx_string("proxy_busy_buffers_size"),
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267 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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268 ngx_conf_set_size_slot,
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269 NGX_HTTP_LOC_CONF_OFFSET,
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78
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270 offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf),
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58
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271 NULL },
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272
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273 { ngx_string("proxy_temp_path"),
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274 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
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275 ngx_conf_set_path_slot,
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276 NGX_HTTP_LOC_CONF_OFFSET,
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277 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path),
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278 (void *) ngx_garbage_collector_temp_handler },
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279
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280 { ngx_string("proxy_max_temp_file_size"),
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281 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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282 ngx_conf_set_size_slot,
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283 NGX_HTTP_LOC_CONF_OFFSET,
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78
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284 offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf),
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58
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285 NULL },
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286
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287 { ngx_string("proxy_temp_file_write_size"),
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288 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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289 ngx_conf_set_size_slot,
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290 NGX_HTTP_LOC_CONF_OFFSET,
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78
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291 offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_file_write_size_conf),
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58
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292 NULL },
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293
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294 { ngx_string("proxy_next_upstream"),
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96
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295 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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58
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296 ngx_conf_set_bitmask_slot,
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297 NGX_HTTP_LOC_CONF_OFFSET,
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298 offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream),
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299 &ngx_http_proxy_next_upstream_masks },
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300
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110
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301 { ngx_string("proxy_upstream_max_fails"),
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302 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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260
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303 ngx_http_proxy_upstream_max_fails_unsupported,
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304 0,
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305 0,
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110
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306 NULL },
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307
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308 { ngx_string("proxy_upstream_fail_timeout"),
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309 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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260
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310 ngx_http_proxy_upstream_fail_timeout_unsupported,
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311 0,
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312 0,
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110
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313 NULL },
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314
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198
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315 { ngx_string("proxy_pass_header"),
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58
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316 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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198
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317 ngx_conf_set_str_array_slot,
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58
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318 NGX_HTTP_LOC_CONF_OFFSET,
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198
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319 offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_headers),
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58
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320 NULL },
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321
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198
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322 { ngx_string("proxy_hide_header"),
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58
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323 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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198
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324 ngx_conf_set_str_array_slot,
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58
|
325 NGX_HTTP_LOC_CONF_OFFSET,
|
|
198
|
326 offsetof(ngx_http_proxy_loc_conf_t, upstream.hide_headers),
|
|
58
|
327 NULL },
|
|
|
328
|
|
|
329 ngx_null_command
|
|
|
330 };
|
|
|
331
|
|
|
332
|
|
216
|
333 static ngx_http_module_t ngx_http_proxy_module_ctx = {
|
|
58
|
334 ngx_http_proxy_add_variables, /* preconfiguration */
|
|
|
335 NULL, /* postconfiguration */
|
|
|
336
|
|
|
337 NULL, /* create main configuration */
|
|
|
338 NULL, /* init main configuration */
|
|
|
339
|
|
|
340 NULL, /* create server configuration */
|
|
|
341 NULL, /* merge server configuration */
|
|
|
342
|
|
|
343 ngx_http_proxy_create_loc_conf, /* create location configration */
|
|
|
344 ngx_http_proxy_merge_loc_conf /* merge location configration */
|
|
|
345 };
|
|
|
346
|
|
|
347
|
|
|
348 ngx_module_t ngx_http_proxy_module = {
|
|
|
349 NGX_MODULE_V1,
|
|
|
350 &ngx_http_proxy_module_ctx, /* module context */
|
|
|
351 ngx_http_proxy_commands, /* module directives */
|
|
|
352 NGX_HTTP_MODULE, /* module type */
|
|
90
|
353 NULL, /* init master */
|
|
58
|
354 NULL, /* init module */
|
|
90
|
355 NULL, /* init process */
|
|
|
356 NULL, /* init thread */
|
|
|
357 NULL, /* exit thread */
|
|
|
358 NULL, /* exit process */
|
|
|
359 NULL, /* exit master */
|
|
|
360 NGX_MODULE_V1_PADDING
|
|
58
|
361 };
|
|
|
362
|
|
|
363
|
|
|
364 static char ngx_http_proxy_version[] = " HTTP/1.0" CRLF;
|
|
|
365
|
|
|
366
|
|
198
|
367 static ngx_keyval_t ngx_http_proxy_headers[] = {
|
|
|
368 { ngx_string("Host"), ngx_string("$proxy_host") },
|
|
|
369 { ngx_string("Connection"), ngx_string("close") },
|
|
|
370 { ngx_string("Keep-Alive"), ngx_string("") },
|
|
|
371 { ngx_null_string, ngx_null_string }
|
|
|
372 };
|
|
|
373
|
|
|
374
|
|
|
375 static ngx_str_t ngx_http_proxy_hide_headers[] = {
|
|
|
376 ngx_string("Date"),
|
|
|
377 ngx_string("Server"),
|
|
|
378 ngx_string("X-Pad"),
|
|
|
379 ngx_string("X-Accel-Expires"),
|
|
|
380 ngx_string("X-Accel-Redirect"),
|
|
|
381 ngx_string("X-Accel-Limit-Rate"),
|
|
|
382 ngx_string("X-Accel-Buffer"),
|
|
|
383 ngx_null_string
|
|
58
|
384 };
|
|
|
385
|
|
|
386
|
|
|
387 static ngx_http_variable_t ngx_http_proxy_vars[] = {
|
|
|
388
|
|
186
|
389 { ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0,
|
|
132
|
390 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
391
|
|
186
|
392 { ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0,
|
|
132
|
393 NGX_HTTP_VAR_CHANGABLE|NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
394
|
|
186
|
395 { ngx_string("proxy_add_x_forwarded_for"), NULL,
|
|
132
|
396 ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
397
|
|
|
398 #if 0
|
|
186
|
399 { ngx_string("proxy_add_via"), NULL, NULL, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
58
|
400 #endif
|
|
|
401
|
|
186
|
402 { ngx_string("proxy_internal_body_length"), NULL,
|
|
132
|
403 ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
|
|
126
|
404
|
|
186
|
405 { ngx_null_string, NULL, NULL, 0, 0, 0 }
|
|
58
|
406 };
|
|
|
407
|
|
|
408
|
|
|
409 static ngx_int_t
|
|
|
410 ngx_http_proxy_handler(ngx_http_request_t *r)
|
|
126
|
411 {
|
|
58
|
412 ngx_int_t rc;
|
|
|
413 ngx_http_upstream_t *u;
|
|
|
414 ngx_http_proxy_loc_conf_t *plcf;
|
|
126
|
415
|
|
58
|
416 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
126
|
417
|
|
58
|
418 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t));
|
|
|
419 if (u == NULL) {
|
|
|
420 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
421 }
|
|
126
|
422
|
|
58
|
423 u->peer.log = r->connection->log;
|
|
|
424 u->peer.log_error = NGX_ERROR_ERR;
|
|
|
425 #if (NGX_THREADS)
|
|
|
426 u->peer.lock = &r->connection->lock;
|
|
|
427 #endif
|
|
|
428
|
|
|
429 u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module;
|
|
|
430
|
|
|
431 u->conf = &plcf->upstream;
|
|
|
432
|
|
|
433 u->create_request = ngx_http_proxy_create_request;
|
|
|
434 u->reinit_request = ngx_http_proxy_reinit_request;
|
|
|
435 u->process_header = ngx_http_proxy_process_status_line;
|
|
|
436 u->abort_request = ngx_http_proxy_abort_request;
|
|
|
437 u->finalize_request = ngx_http_proxy_finalize_request;
|
|
|
438
|
|
|
439 if (plcf->redirects) {
|
|
|
440 u->rewrite_redirect = ngx_http_proxy_rewrite_redirect;
|
|
|
441 }
|
|
|
442
|
|
198
|
443 u->buffering = plcf->upstream.buffering;
|
|
|
444
|
|
|
445 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
|
|
|
446 if (u->pipe == NULL) {
|
|
|
447 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
130
|
448 }
|
|
58
|
449
|
|
198
|
450 u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
|
|
|
451
|
|
58
|
452 u->accel = 1;
|
|
126
|
453
|
|
58
|
454 r->upstream = u;
|
|
|
455
|
|
|
456 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
|
457
|
|
|
458 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
|
459 return rc;
|
|
|
460 }
|
|
|
461
|
|
|
462 return NGX_DONE;
|
|
|
463 }
|
|
|
464
|
|
|
465
|
|
|
466 static ngx_int_t
|
|
|
467 ngx_http_proxy_create_request(ngx_http_request_t *r)
|
|
|
468 {
|
|
126
|
469 size_t len, loc_len, body_len;
|
|
58
|
470 uintptr_t escape;
|
|
|
471 ngx_buf_t *b;
|
|
198
|
472 ngx_str_t method;
|
|
|
473 ngx_uint_t i, unparsed_uri;
|
|
58
|
474 ngx_chain_t *cl, *body;
|
|
|
475 ngx_list_part_t *part;
|
|
|
476 ngx_table_elt_t *header;
|
|
|
477 ngx_http_upstream_t *u;
|
|
126
|
478 ngx_http_proxy_ctx_t *p;
|
|
58
|
479 ngx_http_script_code_pt code;
|
|
|
480 ngx_http_script_engine_t e, le;
|
|
|
481 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
482 ngx_http_script_len_code_pt lcode;
|
|
|
483
|
|
|
484 u = r->upstream;
|
|
|
485
|
|
|
486 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
487
|
|
126
|
488 p = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t));
|
|
|
489 if (p == NULL) {
|
|
|
490 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
491 }
|
|
|
492
|
|
|
493 ngx_http_set_ctx(r, p, ngx_http_proxy_module);
|
|
|
494
|
|
58
|
495 len = sizeof(ngx_http_proxy_version) - 1 + sizeof(CRLF) - 1;
|
|
|
496
|
|
110
|
497 if (u->method.len) {
|
|
|
498 /* HEAD was changed to GET to cache response */
|
|
|
499 method = u->method;
|
|
|
500 method.len++;
|
|
|
501
|
|
|
502 } else if (plcf->method.len) {
|
|
|
503 method = plcf->method;
|
|
|
504
|
|
58
|
505 } else {
|
|
110
|
506 method = r->method_name;
|
|
|
507 method.len++;
|
|
58
|
508 }
|
|
|
509
|
|
110
|
510 len += method.len + u->conf->uri.len;
|
|
|
511
|
|
58
|
512 escape = 0;
|
|
|
513
|
|
176
|
514 loc_len = (r->valid_location && u->conf->uri.len) ? u->conf->location.len:
|
|
|
515 0;
|
|
58
|
516
|
|
158
|
517 if (u->conf->uri.len == 0 && r->valid_unparsed_uri && r == r->main) {
|
|
|
518 unparsed_uri = 1;
|
|
88
|
519 len += r->unparsed_uri.len;
|
|
58
|
520
|
|
|
521 } else {
|
|
158
|
522 unparsed_uri = 0;
|
|
58
|
523 if (r->quoted_uri) {
|
|
|
524 escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len,
|
|
|
525 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
526 }
|
|
|
527
|
|
|
528 len += r->uri.len - loc_len + escape + sizeof("?") - 1 + r->args.len;
|
|
|
529 }
|
|
|
530
|
|
122
|
531 ngx_http_script_flush_no_cachable_variables(r, plcf->flushes);
|
|
|
532
|
|
126
|
533 if (plcf->body_set_len) {
|
|
|
534 le.ip = plcf->body_set_len->elts;
|
|
|
535 le.request = r;
|
|
|
536 le.flushed = 1;
|
|
|
537 body_len = 0;
|
|
|
538
|
|
|
539 while (*(uintptr_t *) le.ip) {
|
|
|
540 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
541 body_len += lcode(&le);
|
|
|
542 }
|
|
|
543
|
|
|
544 p->internal_body_length = body_len;
|
|
|
545 len += body_len;
|
|
|
546 }
|
|
|
547
|
|
58
|
548 le.ip = plcf->headers_set_len->elts;
|
|
|
549 le.request = r;
|
|
122
|
550 le.flushed = 1;
|
|
58
|
551
|
|
|
552 while (*(uintptr_t *) le.ip) {
|
|
|
553 while (*(uintptr_t *) le.ip) {
|
|
|
554 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
555 len += lcode(&le);
|
|
|
556 }
|
|
|
557 le.ip += sizeof(uintptr_t);
|
|
|
558 }
|
|
|
559
|
|
|
560
|
|
|
561 if (plcf->upstream.pass_request_headers) {
|
|
|
562 part = &r->headers_in.headers.part;
|
|
|
563 header = part->elts;
|
|
|
564
|
|
|
565 for (i = 0; /* void */; i++) {
|
|
|
566
|
|
|
567 if (i >= part->nelts) {
|
|
|
568 if (part->next == NULL) {
|
|
|
569 break;
|
|
|
570 }
|
|
|
571
|
|
|
572 part = part->next;
|
|
|
573 header = part->elts;
|
|
126
|
574 i = 0;
|
|
58
|
575 }
|
|
|
576
|
|
198
|
577 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
578 header[i].lowcase_key, header[i].key.len))
|
|
58
|
579 {
|
|
|
580 continue;
|
|
|
581 }
|
|
|
582
|
|
|
583 len += header[i].key.len + sizeof(": ") - 1
|
|
|
584 + header[i].value.len + sizeof(CRLF) - 1;
|
|
|
585 }
|
|
|
586 }
|
|
|
587
|
|
|
588
|
|
|
589 b = ngx_create_temp_buf(r->pool, len);
|
|
|
590 if (b == NULL) {
|
|
|
591 return NGX_ERROR;
|
|
|
592 }
|
|
|
593
|
|
|
594 cl = ngx_alloc_chain_link(r->pool);
|
|
|
595 if (cl == NULL) {
|
|
|
596 return NGX_ERROR;
|
|
|
597 }
|
|
|
598
|
|
|
599 cl->buf = b;
|
|
|
600
|
|
|
601
|
|
|
602 /* the request line */
|
|
|
603
|
|
122
|
604 b->last = ngx_copy(b->last, method.data, method.len);
|
|
58
|
605
|
|
104
|
606 u->uri.data = b->last;
|
|
|
607
|
|
158
|
608 if (unparsed_uri) {
|
|
122
|
609 b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len);
|
|
|
610
|
|
58
|
611 } else {
|
|
104
|
612 if (r->valid_location) {
|
|
122
|
613 b->last = ngx_copy(b->last, u->conf->uri.data, u->conf->uri.len);
|
|
104
|
614 }
|
|
100
|
615
|
|
58
|
616 if (escape) {
|
|
|
617 ngx_escape_uri(b->last, r->uri.data + loc_len,
|
|
|
618 r->uri.len - loc_len, NGX_ESCAPE_URI);
|
|
|
619 b->last += r->uri.len - loc_len + escape;
|
|
|
620
|
|
126
|
621 } else {
|
|
122
|
622 b->last = ngx_copy(b->last, r->uri.data + loc_len,
|
|
|
623 r->uri.len - loc_len);
|
|
58
|
624 }
|
|
|
625
|
|
|
626 if (r->args.len > 0) {
|
|
|
627 *b->last++ = '?';
|
|
122
|
628 b->last = ngx_copy(b->last, r->args.data, r->args.len);
|
|
58
|
629 }
|
|
|
630 }
|
|
|
631
|
|
104
|
632 u->uri.len = b->last - u->uri.data;
|
|
|
633
|
|
58
|
634 b->last = ngx_cpymem(b->last, ngx_http_proxy_version,
|
|
|
635 sizeof(ngx_http_proxy_version) - 1);
|
|
|
636
|
|
126
|
637 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
58
|
638
|
|
|
639 e.ip = plcf->headers_set->elts;
|
|
|
640 e.pos = b->last;
|
|
|
641 e.request = r;
|
|
122
|
642 e.flushed = 1;
|
|
58
|
643
|
|
|
644 le.ip = plcf->headers_set_len->elts;
|
|
|
645
|
|
|
646 while (*(uintptr_t *) le.ip) {
|
|
|
647 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
64
|
648
|
|
|
649 /* skip the header line name length */
|
|
|
650 (void) lcode(&le);
|
|
58
|
651
|
|
|
652 if (*(ngx_http_script_len_code_pt *) le.ip) {
|
|
|
653
|
|
|
654 for (len = 0; *(uintptr_t *) le.ip; len += lcode(&le)) {
|
|
|
655 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
656 }
|
|
|
657
|
|
|
658 e.skip = (len == sizeof(CRLF) - 1) ? 1 : 0;
|
|
|
659
|
|
|
660 } else {
|
|
|
661 e.skip = 0;
|
|
|
662 }
|
|
|
663
|
|
|
664 le.ip += sizeof(uintptr_t);
|
|
|
665
|
|
|
666 while (*(uintptr_t *) e.ip) {
|
|
|
667 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
668 code((ngx_http_script_engine_t *) &e);
|
|
126
|
669 }
|
|
58
|
670 e.ip += sizeof(uintptr_t);
|
|
|
671 }
|
|
|
672
|
|
|
673 b->last = e.pos;
|
|
|
674
|
|
|
675
|
|
|
676 if (plcf->upstream.pass_request_headers) {
|
|
|
677 part = &r->headers_in.headers.part;
|
|
|
678 header = part->elts;
|
|
126
|
679
|
|
58
|
680 for (i = 0; /* void */; i++) {
|
|
|
681
|
|
|
682 if (i >= part->nelts) {
|
|
|
683 if (part->next == NULL) {
|
|
|
684 break;
|
|
|
685 }
|
|
|
686
|
|
|
687 part = part->next;
|
|
|
688 header = part->elts;
|
|
126
|
689 i = 0;
|
|
58
|
690 }
|
|
|
691
|
|
198
|
692 if (ngx_hash_find(&plcf->headers_set_hash, header[i].hash,
|
|
|
693 header[i].lowcase_key, header[i].key.len))
|
|
58
|
694 {
|
|
|
695 continue;
|
|
|
696 }
|
|
|
697
|
|
122
|
698 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len);
|
|
58
|
699
|
|
|
700 *b->last++ = ':'; *b->last++ = ' ';
|
|
|
701
|
|
122
|
702 b->last = ngx_copy(b->last, header[i].value.data,
|
|
|
703 header[i].value.len);
|
|
58
|
704
|
|
|
705 *b->last++ = CR; *b->last++ = LF;
|
|
|
706
|
|
|
707 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
708 "http proxy header: \"%V: %V\"",
|
|
|
709 &header[i].key, &header[i].value);
|
|
|
710 }
|
|
|
711 }
|
|
|
712
|
|
126
|
713
|
|
58
|
714 /* add "\r\n" at the header end */
|
|
|
715 *b->last++ = CR; *b->last++ = LF;
|
|
|
716
|
|
126
|
717 if (plcf->body_set) {
|
|
|
718 e.ip = plcf->body_set->elts;
|
|
|
719 e.pos = b->last;
|
|
|
720
|
|
|
721 while (*(uintptr_t *) e.ip) {
|
|
|
722 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
723 code((ngx_http_script_engine_t *) &e);
|
|
|
724 }
|
|
128
|
725
|
|
|
726 b->last = e.pos;
|
|
126
|
727 }
|
|
|
728
|
|
58
|
729 #if (NGX_DEBUG)
|
|
|
730 {
|
|
|
731 ngx_str_t s;
|
|
|
732
|
|
|
733 s.len = b->last - b->pos;
|
|
|
734 s.data = b->pos;
|
|
|
735 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
736 "http proxy header:\n\"%V\"", &s);
|
|
|
737 }
|
|
|
738 #endif
|
|
|
739
|
|
126
|
740 if (plcf->body_set == NULL && plcf->upstream.pass_request_body) {
|
|
58
|
741
|
|
|
742 body = u->request_bufs;
|
|
|
743 u->request_bufs = cl;
|
|
|
744
|
|
|
745 while (body) {
|
|
|
746 b = ngx_alloc_buf(r->pool);
|
|
|
747 if (b == NULL) {
|
|
|
748 return NGX_ERROR;
|
|
|
749 }
|
|
|
750
|
|
|
751 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
752
|
|
|
753 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
754 if (cl->next == NULL) {
|
|
|
755 return NGX_ERROR;
|
|
|
756 }
|
|
|
757
|
|
|
758 cl = cl->next;
|
|
|
759 cl->buf = b;
|
|
|
760
|
|
|
761 body = body->next;
|
|
|
762 }
|
|
|
763
|
|
160
|
764 b->flush = 1;
|
|
|
765
|
|
58
|
766 } else {
|
|
|
767 u->request_bufs = cl;
|
|
|
768 }
|
|
|
769
|
|
|
770 cl->next = NULL;
|
|
|
771
|
|
|
772 return NGX_OK;
|
|
|
773 }
|
|
|
774
|
|
|
775
|
|
|
776 static ngx_int_t
|
|
|
777 ngx_http_proxy_reinit_request(ngx_http_request_t *r)
|
|
|
778 {
|
|
|
779 ngx_http_proxy_ctx_t *p;
|
|
|
780
|
|
|
781 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
782
|
|
|
783 if (p == NULL) {
|
|
|
784 return NGX_OK;
|
|
|
785 }
|
|
|
786
|
|
|
787 p->status = 0;
|
|
|
788 p->status_count = 0;
|
|
|
789 p->status_start = NULL;
|
|
|
790 p->status_end = NULL;
|
|
|
791
|
|
|
792 r->upstream->process_header = ngx_http_proxy_process_status_line;
|
|
|
793
|
|
|
794 return NGX_OK;
|
|
|
795 }
|
|
|
796
|
|
|
797
|
|
|
798 static ngx_int_t
|
|
|
799 ngx_http_proxy_process_status_line(ngx_http_request_t *r)
|
|
|
800 {
|
|
|
801 ngx_int_t rc;
|
|
|
802 ngx_http_upstream_t *u;
|
|
|
803 ngx_http_proxy_ctx_t *p;
|
|
|
804
|
|
|
805 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
806
|
|
|
807 if (p == NULL) {
|
|
126
|
808 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
58
|
809 }
|
|
|
810
|
|
|
811 rc = ngx_http_proxy_parse_status_line(r, p);
|
|
|
812
|
|
|
813 if (rc == NGX_AGAIN) {
|
|
|
814 return rc;
|
|
|
815 }
|
|
|
816
|
|
|
817 u = r->upstream;
|
|
|
818
|
|
|
819 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) {
|
|
|
820 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
126
|
821 "upstream sent no valid HTTP/1.0 header");
|
|
58
|
822
|
|
168
|
823 #if 0
|
|
58
|
824 if (u->accel) {
|
|
|
825 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
826 }
|
|
168
|
827 #endif
|
|
58
|
828
|
|
|
829 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
830 p->status = NGX_HTTP_OK;
|
|
126
|
831
|
|
58
|
832 return NGX_OK;
|
|
|
833 }
|
|
|
834
|
|
78
|
835 u->headers_in.status_n = p->status;
|
|
58
|
836 u->state->status = p->status;
|
|
|
837
|
|
78
|
838 u->headers_in.status_line.len = p->status_end - p->status_start;
|
|
|
839 u->headers_in.status_line.data = ngx_palloc(r->pool,
|
|
|
840 u->headers_in.status_line.len);
|
|
|
841 if (u->headers_in.status_line.data == NULL) {
|
|
58
|
842 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
843 }
|
|
122
|
844
|
|
78
|
845 ngx_memcpy(u->headers_in.status_line.data, p->status_start,
|
|
|
846 u->headers_in.status_line.len);
|
|
58
|
847
|
|
|
848 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
849 "http proxy status %ui \"%V\"",
|
|
78
|
850 u->headers_in.status, &u->headers_in.status_line);
|
|
58
|
851
|
|
|
852 u->process_header = ngx_http_proxy_process_header;
|
|
|
853
|
|
|
854 return ngx_http_proxy_process_header(r);
|
|
|
855 }
|
|
|
856
|
|
|
857
|
|
|
858 static ngx_int_t
|
|
|
859 ngx_http_proxy_parse_status_line(ngx_http_request_t *r, ngx_http_proxy_ctx_t *p)
|
|
|
860 {
|
|
|
861 u_char ch;
|
|
|
862 u_char *pos;
|
|
|
863 ngx_http_upstream_t *u;
|
|
|
864 enum {
|
|
|
865 sw_start = 0,
|
|
|
866 sw_H,
|
|
|
867 sw_HT,
|
|
|
868 sw_HTT,
|
|
|
869 sw_HTTP,
|
|
|
870 sw_first_major_digit,
|
|
|
871 sw_major_digit,
|
|
|
872 sw_first_minor_digit,
|
|
|
873 sw_minor_digit,
|
|
|
874 sw_status,
|
|
|
875 sw_space_after_status,
|
|
|
876 sw_status_text,
|
|
|
877 sw_almost_done
|
|
126
|
878 } state;
|
|
58
|
879
|
|
|
880 u = r->upstream;
|
|
|
881
|
|
|
882 state = r->state;
|
|
|
883
|
|
130
|
884 for (pos = u->buffer.pos; pos < u->buffer.last; pos++) {
|
|
58
|
885 ch = *pos;
|
|
|
886
|
|
|
887 switch (state) {
|
|
|
888
|
|
|
889 /* "HTTP/" */
|
|
|
890 case sw_start:
|
|
|
891 switch (ch) {
|
|
126
|
892 case 'H':
|
|
58
|
893 state = sw_H;
|
|
|
894 break;
|
|
|
895 default:
|
|
|
896 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
897 }
|
|
|
898 break;
|
|
|
899
|
|
126
|
900 case sw_H:
|
|
58
|
901 switch (ch) {
|
|
126
|
902 case 'T':
|
|
58
|
903 state = sw_HT;
|
|
|
904 break;
|
|
|
905 default:
|
|
|
906 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
907 }
|
|
|
908 break;
|
|
|
909
|
|
|
910 case sw_HT:
|
|
|
911 switch (ch) {
|
|
126
|
912 case 'T':
|
|
58
|
913 state = sw_HTT;
|
|
|
914 break;
|
|
|
915 default:
|
|
|
916 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
917 }
|
|
|
918 break;
|
|
|
919
|
|
|
920 case sw_HTT:
|
|
|
921 switch (ch) {
|
|
126
|
922 case 'P':
|
|
58
|
923 state = sw_HTTP;
|
|
|
924 break;
|
|
|
925 default:
|
|
|
926 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
927 }
|
|
|
928 break;
|
|
|
929
|
|
|
930 case sw_HTTP:
|
|
|
931 switch (ch) {
|
|
126
|
932 case '/':
|
|
58
|
933 state = sw_first_major_digit;
|
|
|
934 break;
|
|
|
935 default:
|
|
|
936 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
937 }
|
|
|
938 break;
|
|
|
939
|
|
|
940 /* the first digit of major HTTP version */
|
|
|
941 case sw_first_major_digit:
|
|
|
942 if (ch < '1' || ch > '9') {
|
|
|
943 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
944 }
|
|
|
945
|
|
|
946 state = sw_major_digit;
|
|
|
947 break;
|
|
|
948
|
|
|
949 /* the major HTTP version or dot */
|
|
|
950 case sw_major_digit:
|
|
|
951 if (ch == '.') {
|
|
|
952 state = sw_first_minor_digit;
|
|
|
953 break;
|
|
|
954 }
|
|
|
955
|
|
|
956 if (ch < '0' || ch > '9') {
|
|
|
957 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
958 }
|
|
|
959
|
|
|
960 break;
|
|
|
961
|
|
|
962 /* the first digit of minor HTTP version */
|
|
|
963 case sw_first_minor_digit:
|
|
|
964 if (ch < '0' || ch > '9') {
|
|
|
965 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
966 }
|
|
|
967
|
|
|
968 state = sw_minor_digit;
|
|
|
969 break;
|
|
|
970
|
|
|
971 /* the minor HTTP version or the end of the request line */
|
|
|
972 case sw_minor_digit:
|
|
|
973 if (ch == ' ') {
|
|
|
974 state = sw_status;
|
|
|
975 break;
|
|
|
976 }
|
|
|
977
|
|
|
978 if (ch < '0' || ch > '9') {
|
|
|
979 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
980 }
|
|
|
981
|
|
|
982 break;
|
|
|
983
|
|
|
984 /* HTTP status code */
|
|
|
985 case sw_status:
|
|
168
|
986 if (ch == ' ') {
|
|
|
987 break;
|
|
|
988 }
|
|
|
989
|
|
58
|
990 if (ch < '0' || ch > '9') {
|
|
|
991 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
992 }
|
|
|
993
|
|
|
994 p->status = p->status * 10 + ch - '0';
|
|
|
995
|
|
|
996 if (++p->status_count == 3) {
|
|
|
997 state = sw_space_after_status;
|
|
|
998 p->status_start = pos - 2;
|
|
|
999 }
|
|
|
1000
|
|
|
1001 break;
|
|
|
1002
|
|
|
1003 /* space or end of line */
|
|
|
1004 case sw_space_after_status:
|
|
|
1005 switch (ch) {
|
|
126
|
1006 case ' ':
|
|
58
|
1007 state = sw_status_text;
|
|
|
1008 break;
|
|
|
1009 case '.': /* IIS may send 403.1, 403.2, etc */
|
|
|
1010 state = sw_status_text;
|
|
|
1011 break;
|
|
|
1012 case CR:
|
|
|
1013 state = sw_almost_done;
|
|
|
1014 break;
|
|
|
1015 case LF:
|
|
|
1016 goto done;
|
|
|
1017 default:
|
|
|
1018 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1019 }
|
|
|
1020 break;
|
|
|
1021
|
|
|
1022 /* any text until end of line */
|
|
|
1023 case sw_status_text:
|
|
|
1024 switch (ch) {
|
|
|
1025 case CR:
|
|
|
1026 state = sw_almost_done;
|
|
|
1027
|
|
|
1028 break;
|
|
|
1029 case LF:
|
|
|
1030 goto done;
|
|
|
1031 }
|
|
|
1032 break;
|
|
|
1033
|
|
76
|
1034 /* end of status line */
|
|
58
|
1035 case sw_almost_done:
|
|
|
1036 p->status_end = pos - 1;
|
|
|
1037 switch (ch) {
|
|
|
1038 case LF:
|
|
|
1039 goto done;
|
|
|
1040 default:
|
|
|
1041 return NGX_HTTP_PROXY_PARSE_NO_HEADER;
|
|
|
1042 }
|
|
|
1043 }
|
|
|
1044 }
|
|
|
1045
|
|
130
|
1046 u->buffer.pos = pos;
|
|
58
|
1047 r->state = state;
|
|
|
1048
|
|
|
1049 return NGX_AGAIN;
|
|
|
1050
|
|
|
1051 done:
|
|
|
1052
|
|
130
|
1053 u->buffer.pos = pos + 1;
|
|
58
|
1054
|
|
|
1055 if (p->status_end == NULL) {
|
|
|
1056 p->status_end = pos;
|
|
|
1057 }
|
|
|
1058
|
|
|
1059 r->state = sw_start;
|
|
|
1060
|
|
|
1061 return NGX_OK;
|
|
|
1062 }
|
|
|
1063
|
|
|
1064
|
|
|
1065 static ngx_int_t
|
|
|
1066 ngx_http_proxy_process_header(ngx_http_request_t *r)
|
|
|
1067 {
|
|
|
1068 ngx_int_t rc;
|
|
198
|
1069 ngx_uint_t i;
|
|
58
|
1070 ngx_table_elt_t *h;
|
|
|
1071 ngx_http_upstream_header_t *hh;
|
|
|
1072 ngx_http_upstream_main_conf_t *umcf;
|
|
|
1073
|
|
|
1074 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
1075
|
|
|
1076 for ( ;; ) {
|
|
|
1077
|
|
130
|
1078 rc = ngx_http_parse_header_line(r, &r->upstream->buffer);
|
|
58
|
1079
|
|
|
1080 if (rc == NGX_OK) {
|
|
|
1081
|
|
|
1082 /* a header line has been parsed successfully */
|
|
|
1083
|
|
|
1084 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1085 if (h == NULL) {
|
|
|
1086 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1087 }
|
|
|
1088
|
|
|
1089 h->hash = r->header_hash;
|
|
|
1090
|
|
|
1091 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
1092 h->value.len = r->header_end - r->header_start;
|
|
|
1093
|
|
|
1094 h->key.data = ngx_palloc(r->pool,
|
|
198
|
1095 h->key.len + 1 + h->value.len + 1 + h->key.len);
|
|
58
|
1096 if (h->key.data == NULL) {
|
|
|
1097 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1098 }
|
|
|
1099
|
|
|
1100 h->value.data = h->key.data + h->key.len + 1;
|
|
198
|
1101 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1;
|
|
58
|
1102
|
|
|
1103 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
|
1104 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
|
1105
|
|
198
|
1106 if (h->key.len == r->lowcase_index) {
|
|
|
1107 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
1108
|
|
|
1109 } else {
|
|
|
1110 for (i = 0; i < h->key.len; i++) {
|
|
|
1111 h->lowcase_key[i] = ngx_tolower(h->lowcase_key[i]);
|
|
58
|
1112 }
|
|
|
1113 }
|
|
|
1114
|
|
198
|
1115 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash,
|
|
|
1116 h->lowcase_key, h->key.len);
|
|
|
1117
|
|
|
1118 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
|
1119 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1120 }
|
|
|
1121
|
|
58
|
1122 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1123 "http proxy header: \"%V: %V\"",
|
|
|
1124 &h->key, &h->value);
|
|
|
1125
|
|
|
1126 continue;
|
|
|
1127 }
|
|
|
1128
|
|
|
1129 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
|
1130
|
|
|
1131 /* a whole header has been parsed successfully */
|
|
|
1132
|
|
|
1133 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1134 "http proxy header done");
|
|
|
1135
|
|
198
|
1136 /*
|
|
|
1137 * if no "Server" and "Date" in header line,
|
|
|
1138 * then add the special empty headers
|
|
|
1139 */
|
|
|
1140
|
|
|
1141 if (r->upstream->headers_in.server == NULL) {
|
|
|
1142 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1143 if (h == NULL) {
|
|
|
1144 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1145 }
|
|
|
1146
|
|
|
1147 h->hash = ngx_hash(ngx_hash(ngx_hash(ngx_hash(
|
|
|
1148 ngx_hash('s', 'e'), 'r'), 'v'), 'e'), 'r');
|
|
|
1149
|
|
|
1150 h->key.len = sizeof("Server") - 1;
|
|
|
1151 h->key.data = (u_char *) "Server";
|
|
|
1152 h->value.len = 0;
|
|
|
1153 h->value.data = NULL;
|
|
|
1154 h->lowcase_key = (u_char *) "server";
|
|
|
1155 }
|
|
|
1156
|
|
|
1157 if (r->upstream->headers_in.date == NULL) {
|
|
|
1158 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
1159 if (h == NULL) {
|
|
|
1160 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
1161 }
|
|
|
1162
|
|
|
1163 h->hash = ngx_hash(ngx_hash(ngx_hash('d', 'a'), 't'), 'e');
|
|
|
1164
|
|
|
1165 h->key.len = sizeof("Date") - 1;
|
|
|
1166 h->key.data = (u_char *) "Date";
|
|
|
1167 h->value.len = 0;
|
|
|
1168 h->value.data = NULL;
|
|
|
1169 h->lowcase_key = (u_char *) "date";
|
|
|
1170 }
|
|
|
1171
|
|
58
|
1172 return NGX_OK;
|
|
|
1173 }
|
|
|
1174
|
|
70
|
1175 if (rc == NGX_AGAIN) {
|
|
|
1176 return NGX_AGAIN;
|
|
|
1177 }
|
|
|
1178
|
|
58
|
1179 /* there was error while a header line parsing */
|
|
|
1180
|
|
|
1181 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
168
|
1182 "upstream sent invalid header");
|
|
58
|
1183
|
|
|
1184 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1185 }
|
|
|
1186 }
|
|
|
1187
|
|
|
1188
|
|
|
1189 static void
|
|
|
1190 ngx_http_proxy_abort_request(ngx_http_request_t *r)
|
|
|
1191 {
|
|
|
1192 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1193 "abort http proxy request");
|
|
126
|
1194
|
|
58
|
1195 return;
|
|
|
1196 }
|
|
|
1197
|
|
|
1198
|
|
|
1199 static void
|
|
|
1200 ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
126
|
1201 {
|
|
58
|
1202 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1203 "finalize http proxy request");
|
|
|
1204
|
|
|
1205 return;
|
|
|
1206 }
|
|
|
1207
|
|
|
1208
|
|
122
|
1209 static ngx_int_t
|
|
|
1210 ngx_http_proxy_host_variable(ngx_http_request_t *r,
|
|
|
1211 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1212 {
|
|
|
1213 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1214
|
|
|
1215 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1216
|
|
122
|
1217 v->len = plcf->host_header.len;
|
|
126
|
1218 v->valid = 1;
|
|
122
|
1219 v->no_cachable = 0;
|
|
|
1220 v->not_found = 0;
|
|
|
1221 v->data = plcf->host_header.data;
|
|
58
|
1222
|
|
122
|
1223 return NGX_OK;
|
|
58
|
1224 }
|
|
|
1225
|
|
|
1226
|
|
122
|
1227 static ngx_int_t
|
|
|
1228 ngx_http_proxy_port_variable(ngx_http_request_t *r,
|
|
|
1229 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1230 {
|
|
|
1231 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1232
|
|
|
1233 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1234
|
|
122
|
1235 v->len = plcf->port_text.len;
|
|
126
|
1236 v->valid = 1;
|
|
122
|
1237 v->no_cachable = 0;
|
|
|
1238 v->not_found = 0;
|
|
|
1239 v->data = plcf->port_text.data;
|
|
58
|
1240
|
|
122
|
1241 return NGX_OK;
|
|
58
|
1242 }
|
|
|
1243
|
|
|
1244
|
|
122
|
1245 static ngx_int_t
|
|
58
|
1246 ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r,
|
|
122
|
1247 ngx_http_variable_value_t *v, uintptr_t data)
|
|
58
|
1248 {
|
|
122
|
1249 u_char *p;
|
|
58
|
1250
|
|
126
|
1251 v->valid = 1;
|
|
122
|
1252 v->no_cachable = 0;
|
|
|
1253 v->not_found = 0;
|
|
58
|
1254
|
|
|
1255 if (r->headers_in.x_forwarded_for == NULL) {
|
|
122
|
1256 v->len = r->connection->addr_text.len;
|
|
|
1257 v->data = r->connection->addr_text.data;
|
|
|
1258 return NGX_OK;
|
|
58
|
1259 }
|
|
|
1260
|
|
122
|
1261 v->len = r->headers_in.x_forwarded_for->value.len
|
|
|
1262 + sizeof(", ") - 1 + r->connection->addr_text.len;
|
|
58
|
1263
|
|
122
|
1264 p = ngx_palloc(r->pool, v->len);
|
|
58
|
1265 if (p == NULL) {
|
|
122
|
1266 return NGX_ERROR;
|
|
58
|
1267 }
|
|
|
1268
|
|
122
|
1269 v->data = p;
|
|
58
|
1270
|
|
122
|
1271 p = ngx_copy(p, r->headers_in.x_forwarded_for->value.data,
|
|
|
1272 r->headers_in.x_forwarded_for->value.len);
|
|
58
|
1273
|
|
|
1274 *p++ = ','; *p++ = ' ';
|
|
|
1275
|
|
|
1276 ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len);
|
|
|
1277
|
|
122
|
1278 return NGX_OK;
|
|
58
|
1279 }
|
|
|
1280
|
|
|
1281
|
|
|
1282 static ngx_int_t
|
|
126
|
1283 ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
|
|
|
1284 ngx_http_variable_value_t *v, uintptr_t data)
|
|
|
1285 {
|
|
|
1286 ngx_http_proxy_ctx_t *p;
|
|
|
1287
|
|
|
1288 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
1289
|
|
|
1290 if (p == NULL) {
|
|
|
1291 v->not_found = 1;
|
|
|
1292 return NGX_OK;
|
|
|
1293 }
|
|
|
1294
|
|
|
1295 v->valid = 1;
|
|
|
1296 v->no_cachable = 0;
|
|
|
1297 v->not_found = 0;
|
|
|
1298
|
|
|
1299 v->data = ngx_palloc(r->connection->pool, NGX_SIZE_T_LEN);
|
|
|
1300
|
|
|
1301 if (v->data == NULL) {
|
|
|
1302 return NGX_ERROR;
|
|
|
1303 }
|
|
|
1304
|
|
|
1305 v->len = ngx_sprintf(v->data, "%uz", p->internal_body_length) - v->data;
|
|
|
1306
|
|
|
1307 return NGX_OK;
|
|
|
1308 }
|
|
|
1309
|
|
|
1310
|
|
|
1311 static ngx_int_t
|
|
58
|
1312 ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1313 size_t prefix)
|
|
|
1314 {
|
|
|
1315 ngx_int_t rc;
|
|
|
1316 ngx_uint_t i;
|
|
|
1317 ngx_http_proxy_loc_conf_t *plcf;
|
|
|
1318 ngx_http_proxy_redirect_t *pr;
|
|
|
1319
|
|
|
1320 plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
1321
|
|
|
1322 pr = plcf->redirects->elts;
|
|
|
1323
|
|
|
1324 if (pr == NULL) {
|
|
|
1325 return NGX_DECLINED;
|
|
|
1326 }
|
|
|
1327
|
|
|
1328 for (i = 0; i < plcf->redirects->nelts; i++) {
|
|
154
|
1329 rc = pr[i].handler(r, h, prefix, &pr[i]);
|
|
58
|
1330
|
|
|
1331 if (rc != NGX_DECLINED) {
|
|
|
1332 return rc;
|
|
|
1333 }
|
|
|
1334 }
|
|
|
1335
|
|
|
1336 return NGX_DECLINED;
|
|
|
1337 }
|
|
|
1338
|
|
|
1339
|
|
|
1340 static ngx_int_t
|
|
|
1341 ngx_http_proxy_rewrite_redirect_text(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1342 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1343 {
|
|
|
1344 size_t len;
|
|
|
1345 u_char *data, *p;
|
|
|
1346
|
|
|
1347 if (pr->redirect.len > h->value.len - prefix
|
|
|
1348 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1349 pr->redirect.len) != 0)
|
|
|
1350 {
|
|
|
1351 return NGX_DECLINED;
|
|
|
1352 }
|
|
|
1353
|
|
|
1354 len = prefix + pr->replacement.text.len + h->value.len - pr->redirect.len;
|
|
|
1355
|
|
|
1356 data = ngx_palloc(r->pool, len);
|
|
|
1357 if (data == NULL) {
|
|
|
1358 return NGX_ERROR;
|
|
|
1359 }
|
|
|
1360
|
|
|
1361 p = data;
|
|
|
1362
|
|
122
|
1363 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1364
|
|
202
|
1365 if (pr->replacement.text.len) {
|
|
|
1366 p = ngx_copy(p, pr->replacement.text.data, pr->replacement.text.len);
|
|
|
1367 }
|
|
58
|
1368
|
|
|
1369 ngx_memcpy(p, h->value.data + prefix + pr->redirect.len,
|
|
|
1370 h->value.len - pr->redirect.len - prefix);
|
|
|
1371
|
|
|
1372 h->value.len = len;
|
|
|
1373 h->value.data = data;
|
|
|
1374
|
|
|
1375 return NGX_OK;
|
|
|
1376 }
|
|
|
1377
|
|
|
1378
|
|
|
1379 static ngx_int_t
|
|
|
1380 ngx_http_proxy_rewrite_redirect_vars(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1381 size_t prefix, ngx_http_proxy_redirect_t *pr)
|
|
|
1382 {
|
|
|
1383 size_t len;
|
|
|
1384 u_char *data, *p;
|
|
|
1385 ngx_http_script_code_pt code;
|
|
|
1386 ngx_http_script_engine_t e;
|
|
|
1387 ngx_http_script_len_code_pt lcode;
|
|
|
1388
|
|
|
1389 if (pr->redirect.len > h->value.len - prefix
|
|
|
1390 || ngx_rstrncmp(h->value.data + prefix, pr->redirect.data,
|
|
|
1391 pr->redirect.len) != 0)
|
|
|
1392 {
|
|
|
1393 return NGX_DECLINED;
|
|
|
1394 }
|
|
|
1395
|
|
|
1396 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
1397
|
|
|
1398 e.ip = pr->replacement.vars.lengths;
|
|
|
1399 e.request = r;
|
|
|
1400
|
|
238
|
1401 len = prefix + h->value.len - pr->redirect.len;
|
|
|
1402
|
|
|
1403 while (*(uintptr_t *) e.ip) {
|
|
58
|
1404 lcode = *(ngx_http_script_len_code_pt *) e.ip;
|
|
238
|
1405 len += lcode(&e);
|
|
58
|
1406 }
|
|
|
1407
|
|
|
1408 data = ngx_palloc(r->pool, len);
|
|
|
1409 if (data == NULL) {
|
|
|
1410 return NGX_ERROR;
|
|
|
1411 }
|
|
|
1412
|
|
|
1413 p = data;
|
|
|
1414
|
|
122
|
1415 p = ngx_copy(p, h->value.data, prefix);
|
|
58
|
1416
|
|
|
1417 e.ip = pr->replacement.vars.values;
|
|
|
1418 e.pos = p;
|
|
|
1419
|
|
|
1420 while (*(uintptr_t *) e.ip) {
|
|
|
1421 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
1422 code(&e);
|
|
|
1423 }
|
|
|
1424
|
|
238
|
1425 ngx_memcpy(e.pos, h->value.data + prefix + pr->redirect.len,
|
|
|
1426 h->value.len - pr->redirect.len - prefix);
|
|
|
1427
|
|
58
|
1428 h->value.len = len;
|
|
|
1429 h->value.data = data;
|
|
|
1430
|
|
|
1431 return NGX_OK;
|
|
|
1432 }
|
|
|
1433
|
|
|
1434
|
|
|
1435 static ngx_int_t
|
|
|
1436 ngx_http_proxy_add_variables(ngx_conf_t *cf)
|
|
|
1437 {
|
|
|
1438 ngx_http_variable_t *var, *v;
|
|
|
1439
|
|
|
1440 for (v = ngx_http_proxy_vars; v->name.len; v++) {
|
|
|
1441 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
1442 if (var == NULL) {
|
|
|
1443 return NGX_ERROR;
|
|
|
1444 }
|
|
|
1445
|
|
186
|
1446 var->get_handler = v->get_handler;
|
|
58
|
1447 var->data = v->data;
|
|
|
1448 }
|
|
|
1449
|
|
|
1450 return NGX_OK;
|
|
|
1451 }
|
|
|
1452
|
|
|
1453
|
|
|
1454 static void *
|
|
|
1455 ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
|
|
|
1456 {
|
|
|
1457 ngx_http_proxy_loc_conf_t *conf;
|
|
|
1458
|
|
|
1459 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t));
|
|
|
1460 if (conf == NULL) {
|
|
|
1461 return NGX_CONF_ERROR;
|
|
|
1462 }
|
|
|
1463
|
|
|
1464 /*
|
|
|
1465 * set by ngx_pcalloc():
|
|
|
1466 *
|
|
|
1467 * conf->upstream.bufs.num = 0;
|
|
|
1468 * conf->upstream.next_upstream = 0;
|
|
|
1469 * conf->upstream.temp_path = NULL;
|
|
198
|
1470 * conf->upstream.hide_headers_hash = { NULL, 0 };
|
|
|
1471 * conf->upstream.hide_headers = NULL;
|
|
|
1472 * conf->upstream.pass_headers = NULL;
|
|
58
|
1473 * conf->upstream.schema = { 0, NULL };
|
|
|
1474 * conf->upstream.uri = { 0, NULL };
|
|
|
1475 * conf->upstream.location = NULL;
|
|
|
1476 *
|
|
110
|
1477 * conf->method = NULL;
|
|
58
|
1478 * conf->headers_source = NULL;
|
|
|
1479 * conf->headers_set_len = NULL;
|
|
|
1480 * conf->headers_set = NULL;
|
|
|
1481 * conf->headers_set_hash = NULL;
|
|
126
|
1482 * conf->body_set_len = NULL;
|
|
|
1483 * conf->body_set = NULL;
|
|
|
1484 * conf->body_source = { 0, NULL };
|
|
58
|
1485 * conf->rewrite_locations = NULL;
|
|
|
1486 */
|
|
126
|
1487
|
|
130
|
1488 conf->upstream.buffering = NGX_CONF_UNSET;
|
|
178
|
1489 conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
|
|
130
|
1490
|
|
58
|
1491 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1492 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1493 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1494
|
|
|
1495 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
130
|
1496 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
78
|
1497
|
|
|
1498 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
126
|
1499 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
78
|
1500 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
58
|
1501
|
|
|
1502 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
|
1503 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
110
|
1504
|
|
206
|
1505 conf->upstream.intercept_errors = NGX_CONF_UNSET;
|
|
58
|
1506
|
|
|
1507 /* "proxy_cyclic_temp_file" is disabled */
|
|
|
1508 conf->upstream.cyclic_temp_file = 0;
|
|
|
1509
|
|
|
1510 conf->redirect = NGX_CONF_UNSET;
|
|
198
|
1511 conf->upstream.change_buffering = 1;
|
|
58
|
1512
|
|
|
1513 return conf;
|
|
|
1514 }
|
|
|
1515
|
|
|
1516
|
|
|
1517 static char *
|
|
|
1518 ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1519 {
|
|
|
1520 ngx_http_proxy_loc_conf_t *prev = parent;
|
|
|
1521 ngx_http_proxy_loc_conf_t *conf = child;
|
|
|
1522
|
|
|
1523 u_char *p;
|
|
|
1524 size_t size;
|
|
|
1525 uintptr_t *code;
|
|
198
|
1526 ngx_str_t *header;
|
|
|
1527 ngx_uint_t i, j;
|
|
|
1528 ngx_array_t hide_headers;
|
|
|
1529 ngx_keyval_t *src, *s, *h;
|
|
|
1530 ngx_hash_key_t *hk;
|
|
|
1531 ngx_hash_init_t hash;
|
|
58
|
1532 ngx_http_proxy_redirect_t *pr;
|
|
|
1533 ngx_http_script_compile_t sc;
|
|
|
1534 ngx_http_script_copy_code_t *copy;
|
|
|
1535
|
|
130
|
1536 ngx_conf_merge_value(conf->upstream.buffering,
|
|
|
1537 prev->upstream.buffering, 1);
|
|
|
1538
|
|
178
|
1539 ngx_conf_merge_value(conf->upstream.ignore_client_abort,
|
|
|
1540 prev->upstream.ignore_client_abort, 0);
|
|
|
1541
|
|
58
|
1542 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
1543 prev->upstream.connect_timeout, 60000);
|
|
|
1544
|
|
|
1545 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
1546 prev->upstream.send_timeout, 60000);
|
|
|
1547
|
|
|
1548 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
1549 prev->upstream.read_timeout, 60000);
|
|
|
1550
|
|
|
1551 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
|
1552 prev->upstream.send_lowat, 0);
|
|
|
1553
|
|
130
|
1554 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
|
1555 prev->upstream.buffer_size,
|
|
58
|
1556 (size_t) ngx_pagesize);
|
|
|
1557
|
|
|
1558 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
|
1559 8, ngx_pagesize);
|
|
|
1560
|
|
|
1561 if (conf->upstream.bufs.num < 2) {
|
|
126
|
1562 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
58
|
1563 "there must be at least 2 \"proxy_buffers\"");
|
|
|
1564 return NGX_CONF_ERROR;
|
|
|
1565 }
|
|
126
|
1566
|
|
58
|
1567
|
|
130
|
1568 size = conf->upstream.buffer_size;
|
|
126
|
1569 if (size < conf->upstream.bufs.size) {
|
|
58
|
1570 size = conf->upstream.bufs.size;
|
|
|
1571 }
|
|
|
1572
|
|
|
1573
|
|
78
|
1574 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
|
1575 prev->upstream.busy_buffers_size_conf,
|
|
58
|
1576 NGX_CONF_UNSET_SIZE);
|
|
|
1577
|
|
78
|
1578 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1579 conf->upstream.busy_buffers_size = 2 * size;
|
|
78
|
1580 } else {
|
|
|
1581 conf->upstream.busy_buffers_size =
|
|
|
1582 conf->upstream.busy_buffers_size_conf;
|
|
|
1583 }
|
|
126
|
1584
|
|
78
|
1585 if (conf->upstream.busy_buffers_size < size) {
|
|
58
|
1586 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1587 "\"proxy_busy_buffers_size\" must be equal or bigger than "
|
|
|
1588 "maximum of the value of \"proxy_header_buffer_size\" and "
|
|
|
1589 "one of the \"proxy_buffers\"");
|
|
|
1590
|
|
|
1591 return NGX_CONF_ERROR;
|
|
78
|
1592 }
|
|
58
|
1593
|
|
78
|
1594 if (conf->upstream.busy_buffers_size
|
|
|
1595 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
58
|
1596 {
|
|
|
1597 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1598 "\"proxy_busy_buffers_size\" must be less than "
|
|
|
1599 "the size of all \"proxy_buffers\" minus one buffer");
|
|
|
1600
|
|
|
1601 return NGX_CONF_ERROR;
|
|
|
1602 }
|
|
78
|
1603
|
|
58
|
1604
|
|
78
|
1605 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
|
1606 prev->upstream.temp_file_write_size_conf,
|
|
58
|
1607 NGX_CONF_UNSET_SIZE);
|
|
|
1608
|
|
78
|
1609 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1610 conf->upstream.temp_file_write_size = 2 * size;
|
|
78
|
1611 } else {
|
|
|
1612 conf->upstream.temp_file_write_size =
|
|
|
1613 conf->upstream.temp_file_write_size_conf;
|
|
|
1614 }
|
|
126
|
1615
|
|
78
|
1616 if (conf->upstream.temp_file_write_size < size) {
|
|
58
|
1617 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1618 "\"proxy_temp_file_write_size\" must be equal or bigger than "
|
|
|
1619 "maximum of the value of \"proxy_header_buffer_size\" and "
|
|
|
1620 "one of the \"proxy_buffers\"");
|
|
|
1621
|
|
|
1622 return NGX_CONF_ERROR;
|
|
|
1623 }
|
|
|
1624
|
|
78
|
1625 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
|
1626 prev->upstream.max_temp_file_size_conf,
|
|
58
|
1627 NGX_CONF_UNSET_SIZE);
|
|
|
1628
|
|
78
|
1629 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
58
|
1630 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
78
|
1631 } else {
|
|
|
1632 conf->upstream.max_temp_file_size =
|
|
|
1633 conf->upstream.max_temp_file_size_conf;
|
|
|
1634 }
|
|
58
|
1635
|
|
78
|
1636 if (conf->upstream.max_temp_file_size != 0
|
|
|
1637 && conf->upstream.max_temp_file_size < size)
|
|
58
|
1638 {
|
|
|
1639 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
110
|
1640 "\"proxy_max_temp_file_size\" must be equal to zero to disable "
|
|
58
|
1641 "the temporary files usage or must be equal or bigger than "
|
|
110
|
1642 "maximum of the value of \"proxy_header_buffer_size\" and "
|
|
|
1643 "one of the \"proxy_buffers\"");
|
|
58
|
1644
|
|
|
1645 return NGX_CONF_ERROR;
|
|
|
1646 }
|
|
|
1647
|
|
78
|
1648
|
|
58
|
1649 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
1650 prev->upstream.next_upstream,
|
|
|
1651 (NGX_CONF_BITMASK_SET
|
|
|
1652 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
1653 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
1654
|
|
214
|
1655 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
1656 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
|
|
|
1657 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
1658 }
|
|
|
1659
|
|
58
|
1660 ngx_conf_merge_path_value(conf->upstream.temp_path,
|
|
|
1661 prev->upstream.temp_path,
|
|
|
1662 NGX_HTTP_PROXY_TEMP_PATH, 1, 2, 0,
|
|
|
1663 ngx_garbage_collector_temp_handler, cf);
|
|
|
1664
|
|
110
|
1665 if (conf->method.len == 0) {
|
|
|
1666 conf->method = prev->method;
|
|
|
1667
|
|
|
1668 } else {
|
|
|
1669 conf->method.data[conf->method.len] = ' ';
|
|
|
1670 conf->method.len++;
|
|
58
|
1671 }
|
|
|
1672
|
|
|
1673 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
|
1674 prev->upstream.pass_request_headers, 1);
|
|
|
1675 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
|
1676 prev->upstream.pass_request_body, 1);
|
|
|
1677
|
|
206
|
1678 ngx_conf_merge_value(conf->upstream.intercept_errors,
|
|
|
1679 prev->upstream.intercept_errors, 0);
|
|
58
|
1680
|
|
|
1681 ngx_conf_merge_value(conf->redirect, prev->redirect, 1);
|
|
|
1682
|
|
|
1683 if (conf->redirect) {
|
|
|
1684
|
|
|
1685 if (conf->redirects == NULL) {
|
|
|
1686 conf->redirects = prev->redirects;
|
|
|
1687 }
|
|
|
1688
|
|
|
1689 if (conf->redirects == NULL && conf->upstream.url.data) {
|
|
|
1690
|
|
|
1691 conf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
1692 sizeof(ngx_http_proxy_redirect_t));
|
|
|
1693 if (conf->redirects == NULL) {
|
|
|
1694 return NGX_CONF_ERROR;
|
|
|
1695 }
|
|
|
1696
|
|
|
1697 pr = ngx_array_push(conf->redirects);
|
|
|
1698 if (pr == NULL) {
|
|
|
1699 return NGX_CONF_ERROR;
|
|
|
1700 }
|
|
|
1701
|
|
|
1702 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
1703 pr->redirect = conf->upstream.url;
|
|
202
|
1704
|
|
|
1705 if (conf->upstream.uri.len) {
|
|
|
1706 pr->replacement.text = conf->upstream.location;
|
|
|
1707
|
|
|
1708 } else {
|
|
|
1709 pr->replacement.text.len = 0;
|
|
|
1710 pr->replacement.text.data = NULL;
|
|
|
1711 }
|
|
58
|
1712 }
|
|
|
1713 }
|
|
|
1714
|
|
198
|
1715 if (conf->upstream.hide_headers == NULL
|
|
|
1716 && conf->upstream.pass_headers == NULL)
|
|
|
1717 {
|
|
|
1718 conf->upstream.hide_headers = prev->upstream.hide_headers;
|
|
|
1719 conf->upstream.pass_headers = prev->upstream.pass_headers;
|
|
|
1720 conf->upstream.hide_headers_hash = prev->upstream.hide_headers_hash;
|
|
|
1721
|
|
|
1722 if (conf->upstream.hide_headers_hash.buckets) {
|
|
|
1723 goto peers;
|
|
|
1724 }
|
|
|
1725
|
|
|
1726 } else {
|
|
|
1727 if (conf->upstream.hide_headers == NULL) {
|
|
|
1728 conf->upstream.hide_headers = prev->upstream.hide_headers;
|
|
|
1729 }
|
|
|
1730
|
|
|
1731 if (conf->upstream.pass_headers == NULL) {
|
|
|
1732 conf->upstream.pass_headers = prev->upstream.pass_headers;
|
|
|
1733 }
|
|
|
1734 }
|
|
|
1735
|
|
|
1736 if (ngx_array_init(&hide_headers, cf->temp_pool, 4, sizeof(ngx_hash_key_t))
|
|
|
1737 != NGX_OK)
|
|
|
1738 {
|
|
|
1739 return NGX_CONF_ERROR;
|
|
|
1740 }
|
|
|
1741
|
|
|
1742 for (header = ngx_http_proxy_hide_headers; header->len; header++) {
|
|
|
1743 hk = ngx_array_push(&hide_headers);
|
|
|
1744 if (hk == NULL) {
|
|
|
1745 return NGX_CONF_ERROR;
|
|
|
1746 }
|
|
|
1747
|
|
|
1748 hk->key = *header;
|
|
|
1749 hk->key_hash = ngx_hash_key_lc(header->data, header->len);
|
|
|
1750 hk->value = (void *) 1;
|
|
|
1751 }
|
|
|
1752
|
|
|
1753 if (conf->upstream.hide_headers) {
|
|
|
1754
|
|
|
1755 header = conf->upstream.hide_headers->elts;
|
|
|
1756
|
|
|
1757 for (i = 0; i < conf->upstream.hide_headers->nelts; i++) {
|
|
|
1758
|
|
|
1759 hk = hide_headers.elts;
|
|
|
1760
|
|
|
1761 for (j = 0; j < hide_headers.nelts; j++) {
|
|
|
1762 if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) {
|
|
|
1763 goto exist;
|
|
|
1764 }
|
|
|
1765 }
|
|
|
1766
|
|
|
1767 hk = ngx_array_push(&hide_headers);
|
|
|
1768 if (hk == NULL) {
|
|
|
1769 return NGX_CONF_ERROR;
|
|
|
1770 }
|
|
|
1771
|
|
|
1772 hk->key = header[i];
|
|
|
1773 hk->key_hash = ngx_hash_key_lc(header[i].data, header[i].len);
|
|
|
1774 hk->value = (void *) 1;
|
|
|
1775
|
|
|
1776 exist:
|
|
|
1777
|
|
|
1778 continue;
|
|
|
1779 }
|
|
|
1780 }
|
|
|
1781
|
|
|
1782 if (conf->upstream.pass_headers) {
|
|
|
1783
|
|
|
1784 hk = hide_headers.elts;
|
|
|
1785 header = conf->upstream.pass_headers->elts;
|
|
|
1786
|
|
|
1787 for (i = 0; i < conf->upstream.pass_headers->nelts; i++) {
|
|
|
1788 for (j = 0; j < hide_headers.nelts; j++) {
|
|
|
1789
|
|
|
1790 if (hk[j].key.data == NULL) {
|
|
|
1791 continue;
|
|
|
1792 }
|
|
|
1793
|
|
|
1794 if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) {
|
|
|
1795 hk[j].key.data = NULL;
|
|
|
1796 break;
|
|
|
1797 }
|
|
|
1798 }
|
|
|
1799 }
|
|
|
1800 }
|
|
|
1801
|
|
|
1802 hash.hash = &conf->upstream.hide_headers_hash;
|
|
|
1803 hash.key = ngx_hash_key_lc;
|
|
|
1804 hash.max_size = 512;
|
|
244
|
1805 hash.bucket_size = ngx_align(64, ngx_cacheline_size);
|
|
198
|
1806 hash.name = "proxy_hide_headers_hash";
|
|
|
1807 hash.pool = cf->pool;
|
|
|
1808 hash.temp_pool = NULL;
|
|
|
1809
|
|
|
1810 if (ngx_hash_init(&hash, hide_headers.elts, hide_headers.nelts) != NGX_OK) {
|
|
|
1811 return NGX_CONF_ERROR;
|
|
|
1812 }
|
|
|
1813
|
|
|
1814 peers:
|
|
58
|
1815
|
|
260
|
1816 if (conf->upstream.upstream == NULL) {
|
|
|
1817 conf->upstream.upstream = prev->upstream.upstream;
|
|
178
|
1818
|
|
|
1819 conf->host_header = prev->host_header;
|
|
|
1820 conf->port_text = prev->port_text;
|
|
|
1821 conf->upstream.schema = prev->upstream.schema;
|
|
58
|
1822 }
|
|
|
1823
|
|
126
|
1824
|
|
|
1825 if (conf->body_source.data == NULL) {
|
|
|
1826 conf->body_source = prev->body_source;
|
|
|
1827 conf->body_set_len = prev->body_set_len;
|
|
|
1828 conf->body_set = prev->body_set;
|
|
|
1829 }
|
|
|
1830
|
|
128
|
1831 if (conf->body_source.data && conf->body_set_len == NULL) {
|
|
126
|
1832
|
|
|
1833 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1834
|
|
|
1835 sc.cf = cf;
|
|
|
1836 sc.source = &conf->body_source;
|
|
|
1837 sc.flushes = &conf->flushes;
|
|
|
1838 sc.lengths = &conf->body_set_len;
|
|
|
1839 sc.values = &conf->body_set;
|
|
|
1840 sc.complete_lengths = 1;
|
|
|
1841 sc.complete_values = 1;
|
|
|
1842
|
|
|
1843 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1844 return NGX_CONF_ERROR;
|
|
|
1845 }
|
|
|
1846
|
|
|
1847 if (conf->headers_source == NULL) {
|
|
|
1848 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
1849 sizeof(ngx_keyval_t));
|
|
126
|
1850 if (conf->headers_source == NULL) {
|
|
|
1851 return NGX_CONF_ERROR;
|
|
|
1852 }
|
|
|
1853 }
|
|
|
1854
|
|
|
1855 s = ngx_array_push(conf->headers_source);
|
|
|
1856 if (s == NULL) {
|
|
|
1857 return NGX_CONF_ERROR;
|
|
|
1858 }
|
|
|
1859
|
|
|
1860 s->key.len = sizeof("Content-Length") - 1;
|
|
|
1861 s->key.data = (u_char *) "Content-Length";
|
|
|
1862 s->value.len = sizeof("$proxy_internal_body_length") - 1;
|
|
|
1863 s->value.data = (u_char *) "$proxy_internal_body_length";
|
|
|
1864 }
|
|
|
1865
|
|
|
1866
|
|
58
|
1867 if (conf->headers_source == NULL) {
|
|
122
|
1868 conf->flushes = prev->flushes;
|
|
58
|
1869 conf->headers_set_len = prev->headers_set_len;
|
|
|
1870 conf->headers_set = prev->headers_set;
|
|
|
1871 conf->headers_set_hash = prev->headers_set_hash;
|
|
122
|
1872 conf->headers_source = prev->headers_source;
|
|
58
|
1873 }
|
|
|
1874
|
|
198
|
1875 if (conf->headers_set_hash.buckets) {
|
|
58
|
1876 return NGX_CONF_OK;
|
|
|
1877 }
|
|
|
1878
|
|
|
1879
|
|
198
|
1880 conf->headers_names = ngx_array_create(cf->pool, 4, sizeof(ngx_hash_key_t));
|
|
58
|
1881 if (conf->headers_names == NULL) {
|
|
|
1882 return NGX_CONF_ERROR;
|
|
|
1883 }
|
|
|
1884
|
|
|
1885 if (conf->headers_source == NULL) {
|
|
|
1886 conf->headers_source = ngx_array_create(cf->pool, 4,
|
|
198
|
1887 sizeof(ngx_keyval_t));
|
|
58
|
1888 if (conf->headers_source == NULL) {
|
|
|
1889 return NGX_CONF_ERROR;
|
|
|
1890 }
|
|
|
1891 }
|
|
|
1892
|
|
|
1893 conf->headers_set_len = ngx_array_create(cf->pool, 64, 1);
|
|
|
1894 if (conf->headers_set_len == NULL) {
|
|
|
1895 return NGX_CONF_ERROR;
|
|
|
1896 }
|
|
|
1897
|
|
|
1898 conf->headers_set = ngx_array_create(cf->pool, 512, 1);
|
|
|
1899 if (conf->headers_set == NULL) {
|
|
|
1900 return NGX_CONF_ERROR;
|
|
|
1901 }
|
|
|
1902
|
|
|
1903
|
|
|
1904 src = conf->headers_source->elts;
|
|
|
1905
|
|
|
1906 for (h = ngx_http_proxy_headers; h->key.len; h++) {
|
|
|
1907
|
|
|
1908 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
1909 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
|
1910 goto next;
|
|
|
1911 }
|
|
|
1912 }
|
|
|
1913
|
|
|
1914 s = ngx_array_push(conf->headers_source);
|
|
|
1915 if (s == NULL) {
|
|
|
1916 return NGX_CONF_ERROR;
|
|
|
1917 }
|
|
|
1918
|
|
|
1919 *s = *h;
|
|
|
1920
|
|
66
|
1921 src = conf->headers_source->elts;
|
|
|
1922
|
|
58
|
1923 next:
|
|
|
1924
|
|
|
1925 continue;
|
|
|
1926 }
|
|
|
1927
|
|
126
|
1928
|
|
|
1929 src = conf->headers_source->elts;
|
|
58
|
1930 for (i = 0; i < conf->headers_source->nelts; i++) {
|
|
|
1931
|
|
198
|
1932 hk = ngx_array_push(conf->headers_names);
|
|
|
1933 if (hk == NULL) {
|
|
58
|
1934 return NGX_CONF_ERROR;
|
|
|
1935 }
|
|
|
1936
|
|
198
|
1937 hk->key = src[i].key;
|
|
|
1938 hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len);
|
|
|
1939 hk->value = (void *) 1;
|
|
58
|
1940
|
|
68
|
1941 if (src[i].value.len == 0) {
|
|
|
1942 continue;
|
|
|
1943 }
|
|
|
1944
|
|
58
|
1945 if (ngx_http_script_variables_count(&src[i].value) == 0) {
|
|
|
1946 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
1947 sizeof(ngx_http_script_copy_code_t));
|
|
|
1948 if (copy == NULL) {
|
|
|
1949 return NGX_CONF_ERROR;
|
|
|
1950 }
|
|
|
1951
|
|
|
1952 copy->code = (ngx_http_script_code_pt)
|
|
|
1953 ngx_http_script_copy_len_code;
|
|
|
1954 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
1955 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
1956
|
|
|
1957
|
|
|
1958 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1959 + src[i].key.len + sizeof(": ") - 1
|
|
|
1960 + src[i].value.len + sizeof(CRLF) - 1
|
|
|
1961 + sizeof(uintptr_t) - 1)
|
|
|
1962 & ~(sizeof(uintptr_t) - 1);
|
|
|
1963
|
|
|
1964 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
1965 if (copy == NULL) {
|
|
|
1966 return NGX_CONF_ERROR;
|
|
|
1967 }
|
|
|
1968
|
|
|
1969 copy->code = ngx_http_script_copy_code;
|
|
|
1970 copy->len = src[i].key.len + sizeof(": ") - 1
|
|
|
1971 + src[i].value.len + sizeof(CRLF) - 1;
|
|
|
1972
|
|
|
1973 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
1974
|
|
|
1975 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
1976 *p++ = ':'; *p++ = ' ';
|
|
|
1977 p = ngx_cpymem(p, src[i].value.data, src[i].value.len);
|
|
|
1978 *p++ = CR; *p = LF;
|
|
|
1979
|
|
|
1980 } else {
|
|
|
1981 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
1982 sizeof(ngx_http_script_copy_code_t));
|
|
|
1983 if (copy == NULL) {
|
|
|
1984 return NGX_CONF_ERROR;
|
|
|
1985 }
|
|
|
1986
|
|
|
1987 copy->code = (ngx_http_script_code_pt)
|
|
|
1988 ngx_http_script_copy_len_code;
|
|
|
1989 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
1990
|
|
|
1991
|
|
|
1992 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1993 + src[i].key.len + sizeof(": ") - 1 + sizeof(uintptr_t) - 1)
|
|
|
1994 & ~(sizeof(uintptr_t) - 1);
|
|
|
1995
|
|
|
1996 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
1997 if (copy == NULL) {
|
|
|
1998 return NGX_CONF_ERROR;
|
|
|
1999 }
|
|
|
2000
|
|
|
2001 copy->code = ngx_http_script_copy_code;
|
|
|
2002 copy->len = src[i].key.len + sizeof(": ") - 1;
|
|
|
2003
|
|
|
2004 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2005 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
|
2006 *p++ = ':'; *p = ' ';
|
|
|
2007
|
|
|
2008
|
|
|
2009 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2010
|
|
|
2011 sc.cf = cf;
|
|
|
2012 sc.source = &src[i].value;
|
|
122
|
2013 sc.flushes = &conf->flushes;
|
|
58
|
2014 sc.lengths = &conf->headers_set_len;
|
|
|
2015 sc.values = &conf->headers_set;
|
|
|
2016
|
|
|
2017 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2018 return NGX_CONF_ERROR;
|
|
|
2019 }
|
|
|
2020
|
|
|
2021
|
|
|
2022 copy = ngx_array_push_n(conf->headers_set_len,
|
|
|
2023 sizeof(ngx_http_script_copy_code_t));
|
|
|
2024 if (copy == NULL) {
|
|
|
2025 return NGX_CONF_ERROR;
|
|
|
2026 }
|
|
|
2027
|
|
|
2028 copy->code = (ngx_http_script_code_pt)
|
|
|
2029 ngx_http_script_copy_len_code;
|
|
|
2030 copy->len = sizeof(CRLF) - 1;
|
|
|
2031
|
|
|
2032
|
|
|
2033 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
2034 + sizeof(CRLF) - 1 + sizeof(uintptr_t) - 1)
|
|
|
2035 & ~(sizeof(uintptr_t) - 1);
|
|
|
2036
|
|
|
2037 copy = ngx_array_push_n(conf->headers_set, size);
|
|
|
2038 if (copy == NULL) {
|
|
|
2039 return NGX_CONF_ERROR;
|
|
|
2040 }
|
|
|
2041
|
|
|
2042 copy->code = ngx_http_script_copy_code;
|
|
|
2043 copy->len = sizeof(CRLF) - 1;
|
|
|
2044
|
|
|
2045 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
2046 *p++ = CR; *p = LF;
|
|
|
2047 }
|
|
|
2048
|
|
|
2049 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2050 if (code == NULL) {
|
|
|
2051 return NGX_CONF_ERROR;
|
|
|
2052 }
|
|
|
2053
|
|
|
2054 *code = (uintptr_t) NULL;
|
|
|
2055
|
|
|
2056 code = ngx_array_push_n(conf->headers_set, sizeof(uintptr_t));
|
|
|
2057 if (code == NULL) {
|
|
|
2058 return NGX_CONF_ERROR;
|
|
|
2059 }
|
|
|
2060
|
|
|
2061 *code = (uintptr_t) NULL;
|
|
|
2062 }
|
|
|
2063
|
|
|
2064 code = ngx_array_push_n(conf->headers_set_len, sizeof(uintptr_t));
|
|
|
2065 if (code == NULL) {
|
|
|
2066 return NGX_CONF_ERROR;
|
|
|
2067 }
|
|
|
2068
|
|
|
2069 *code = (uintptr_t) NULL;
|
|
|
2070
|
|
|
2071
|
|
198
|
2072 hash.hash = &conf->headers_set_hash;
|
|
|
2073 hash.key = ngx_hash_key_lc;
|
|
|
2074 hash.max_size = 512;
|
|
|
2075 hash.bucket_size = ngx_cacheline_size;
|
|
|
2076 hash.name = "proxy_set_header_hash";
|
|
|
2077 hash.pool = cf->pool;
|
|
|
2078 hash.temp_pool = NULL;
|
|
|
2079
|
|
|
2080 if (ngx_hash_init(&hash, conf->headers_names->elts,
|
|
|
2081 conf->headers_names->nelts)
|
|
|
2082 != NGX_OK)
|
|
|
2083 {
|
|
|
2084 return NGX_CONF_ERROR;
|
|
|
2085 }
|
|
|
2086
|
|
58
|
2087 return NGX_CONF_OK;
|
|
|
2088 }
|
|
|
2089
|
|
|
2090
|
|
|
2091 static char *
|
|
|
2092 ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2093 {
|
|
|
2094 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2095
|
|
126
|
2096 size_t add;
|
|
142
|
2097 u_short port;
|
|
58
|
2098 ngx_str_t *value, *url;
|
|
200
|
2099 ngx_url_t u;
|
|
58
|
2100 ngx_http_core_loc_conf_t *clcf;
|
|
126
|
2101 #if (NGX_HTTP_SSL)
|
|
|
2102 ngx_pool_cleanup_t *cln;
|
|
|
2103 #endif
|
|
58
|
2104
|
|
104
|
2105 if (plcf->upstream.schema.len) {
|
|
|
2106 return "is duplicate";
|
|
|
2107 }
|
|
|
2108
|
|
58
|
2109 value = cf->args->elts;
|
|
|
2110
|
|
|
2111 url = &value[1];
|
|
|
2112
|
|
126
|
2113 if (ngx_strncasecmp(url->data, "http://", 7) == 0) {
|
|
|
2114 add = 7;
|
|
140
|
2115 port = 80;
|
|
126
|
2116
|
|
|
2117 } else if (ngx_strncasecmp(url->data, "https://", 8) == 0) {
|
|
|
2118
|
|
|
2119 #if (NGX_HTTP_SSL)
|
|
|
2120
|
|
|
2121 add = 8;
|
|
140
|
2122 port = 443;
|
|
126
|
2123
|
|
|
2124 plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t));
|
|
|
2125 if (plcf->upstream.ssl == NULL) {
|
|
|
2126 return NGX_CONF_ERROR;
|
|
|
2127 }
|
|
|
2128
|
|
|
2129 plcf->upstream.ssl->log = cf->log;
|
|
|
2130
|
|
|
2131 if (ngx_ssl_create(plcf->upstream.ssl,
|
|
|
2132 NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1)
|
|
|
2133 != NGX_OK)
|
|
|
2134 {
|
|
|
2135 return NGX_CONF_ERROR;
|
|
|
2136 }
|
|
|
2137
|
|
|
2138 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
2139 if (cln == NULL) {
|
|
|
2140 return NGX_CONF_ERROR;
|
|
|
2141 }
|
|
|
2142
|
|
|
2143 cln->handler = ngx_ssl_cleanup_ctx;
|
|
|
2144 cln->data = plcf->upstream.ssl;
|
|
|
2145
|
|
|
2146 #else
|
|
|
2147 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2148 "https protocol requires SSL support");
|
|
|
2149 return NGX_CONF_ERROR;
|
|
|
2150 #endif
|
|
|
2151
|
|
|
2152 } else {
|
|
58
|
2153 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix");
|
|
|
2154 return NGX_CONF_ERROR;
|
|
|
2155 }
|
|
|
2156
|
|
200
|
2157 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
|
2158
|
|
|
2159 u.url.len = url->len - add;
|
|
|
2160 u.url.data = url->data + add;
|
|
|
2161 u.default_portn = port;
|
|
262
|
2162 u.upstream = 1;
|
|
260
|
2163 u.no_resolve = 1;
|
|
200
|
2164 u.uri_part = 1;
|
|
260
|
2165
|
|
|
2166 plcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
|
|
|
2167 if (plcf->upstream.upstream == NULL) {
|
|
58
|
2168 return NGX_CONF_ERROR;
|
|
|
2169 }
|
|
|
2170
|
|
200
|
2171 plcf->host_header = u.host_header;
|
|
|
2172 plcf->port_text = u.port;
|
|
|
2173 plcf->upstream.uri = u.uri;
|
|
|
2174
|
|
140
|
2175 plcf->upstream.schema.len = add;
|
|
|
2176 plcf->upstream.schema.data = url->data;
|
|
58
|
2177
|
|
|
2178 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
2179
|
|
|
2180 clcf->handler = ngx_http_proxy_handler;
|
|
|
2181
|
|
122
|
2182 plcf->upstream.location = clcf->name;
|
|
104
|
2183
|
|
58
|
2184 #if (NGX_PCRE)
|
|
104
|
2185
|
|
178
|
2186 if (clcf->regex || clcf->noname) {
|
|
122
|
2187 if (plcf->upstream.uri.len) {
|
|
|
2188 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2189 "\"proxy_pass\" may not have URI part in "
|
|
256
|
2190 "location given by regular expression, "
|
|
|
2191 "or inside the \"if\" statement, "
|
|
|
2192 "or inside the \"limit_except\" block");
|
|
122
|
2193 return NGX_CONF_ERROR;
|
|
|
2194 }
|
|
|
2195
|
|
|
2196 plcf->upstream.location.len = 0;
|
|
104
|
2197 }
|
|
|
2198
|
|
58
|
2199 #endif
|
|
|
2200
|
|
|
2201 plcf->upstream.url = *url;
|
|
|
2202
|
|
|
2203 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
2204 clcf->auto_redirect = 1;
|
|
|
2205 }
|
|
|
2206
|
|
|
2207 return NGX_CONF_OK;
|
|
|
2208 }
|
|
|
2209
|
|
|
2210
|
|
|
2211 static char *
|
|
|
2212 ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2213 {
|
|
|
2214 ngx_http_proxy_loc_conf_t *plcf = conf;
|
|
|
2215
|
|
|
2216 ngx_str_t *value;
|
|
|
2217 ngx_array_t *vars_lengths, *vars_values;
|
|
|
2218 ngx_http_script_compile_t sc;
|
|
|
2219 ngx_http_proxy_redirect_t *pr;
|
|
|
2220
|
|
|
2221 if (plcf->redirect == 0) {
|
|
|
2222 return NGX_CONF_OK;
|
|
|
2223 }
|
|
|
2224
|
|
|
2225 value = cf->args->elts;
|
|
|
2226
|
|
|
2227 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
2228 plcf->redirect = 0;
|
|
|
2229 plcf->redirects = NULL;
|
|
|
2230 return NGX_CONF_OK;
|
|
|
2231 }
|
|
|
2232
|
|
|
2233 if (plcf->redirects == NULL) {
|
|
|
2234 plcf->redirects = ngx_array_create(cf->pool, 1,
|
|
|
2235 sizeof(ngx_http_proxy_redirect_t));
|
|
|
2236 if (plcf->redirects == NULL) {
|
|
|
2237 return NGX_CONF_ERROR;
|
|
|
2238 }
|
|
|
2239 }
|
|
|
2240
|
|
|
2241 pr = ngx_array_push(plcf->redirects);
|
|
|
2242 if (pr == NULL) {
|
|
|
2243 return NGX_CONF_ERROR;
|
|
|
2244 }
|
|
|
2245
|
|
|
2246 if (cf->args->nelts == 2 && ngx_strcmp(value[1].data, "default") == 0) {
|
|
|
2247 if (plcf->upstream.url.data == NULL) {
|
|
|
2248 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2249 "\"proxy_rewrite_location default\" must go "
|
|
|
2250 "after the \"proxy_pass\" directive");
|
|
|
2251 return NGX_CONF_ERROR;
|
|
|
2252 }
|
|
|
2253
|
|
|
2254 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2255 pr->redirect = plcf->upstream.url;
|
|
202
|
2256
|
|
|
2257 if (plcf->upstream.uri.len) {
|
|
|
2258 pr->replacement.text = plcf->upstream.location;
|
|
|
2259
|
|
|
2260 } else {
|
|
|
2261 pr->replacement.text.len = 0;
|
|
|
2262 pr->replacement.text.data = NULL;
|
|
|
2263 }
|
|
58
|
2264
|
|
|
2265 return NGX_CONF_OK;
|
|
|
2266 }
|
|
|
2267
|
|
|
2268 if (ngx_http_script_variables_count(&value[2]) == 0) {
|
|
|
2269 pr->handler = ngx_http_proxy_rewrite_redirect_text;
|
|
|
2270 pr->redirect = value[1];
|
|
|
2271 pr->replacement.text = value[2];
|
|
|
2272
|
|
|
2273 return NGX_CONF_OK;
|
|
|
2274 }
|
|
|
2275
|
|
|
2276 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
2277
|
|
|
2278 vars_lengths = NULL;
|
|
|
2279 vars_values = NULL;
|
|
|
2280
|
|
|
2281 sc.cf = cf;
|
|
|
2282 sc.source = &value[2];
|
|
|
2283 sc.lengths = &vars_lengths;
|
|
|
2284 sc.values = &vars_values;
|
|
|
2285 sc.complete_lengths = 1;
|
|
|
2286 sc.complete_values = 1;
|
|
|
2287
|
|
|
2288 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
2289 return NGX_CONF_ERROR;
|
|
|
2290 }
|
|
|
2291
|
|
|
2292 pr->handler = ngx_http_proxy_rewrite_redirect_vars;
|
|
|
2293 pr->redirect = value[1];
|
|
|
2294 pr->replacement.vars.lengths = vars_lengths->elts;
|
|
|
2295 pr->replacement.vars.values = vars_values->elts;
|
|
|
2296
|
|
|
2297 return NGX_CONF_OK;
|
|
|
2298 }
|
|
|
2299
|
|
|
2300
|
|
|
2301 static char *
|
|
|
2302 ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data)
|
|
|
2303 {
|
|
|
2304 #if (NGX_FREEBSD)
|
|
|
2305 ssize_t *np = data;
|
|
|
2306
|
|
222
|
2307 if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) {
|
|
58
|
2308 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2309 "\"proxy_send_lowat\" must be less than %d "
|
|
|
2310 "(sysctl net.inet.tcp.sendspace)",
|
|
|
2311 ngx_freebsd_net_inet_tcp_sendspace);
|
|
|
2312
|
|
|
2313 return NGX_CONF_ERROR;
|
|
|
2314 }
|
|
|
2315
|
|
|
2316 #elif !(NGX_HAVE_SO_SNDLOWAT)
|
|
|
2317 ssize_t *np = data;
|
|
|
2318
|
|
|
2319 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
2320 "\"proxy_send_lowat\" is not supported, ignored");
|
|
|
2321
|
|
|
2322 *np = 0;
|
|
|
2323
|
|
|
2324 #endif
|
|
|
2325
|
|
|
2326 return NGX_CONF_OK;
|
|
|
2327 }
|
|
260
|
2328
|
|
|
2329
|
|
|
2330 static char *
|
|
|
2331 ngx_http_proxy_upstream_max_fails_unsupported(ngx_conf_t *cf,
|
|
|
2332 ngx_command_t *cmd, void *conf)
|
|
|
2333 {
|
|
|
2334 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2335 "\"proxy_upstream_max_fails\" is not supported, "
|
|
|
2336 "use the \"max_fails\" parameter of the \"server\" directive ",
|
|
|
2337 "inside the \"upstream\" block");
|
|
|
2338
|
|
|
2339 return NGX_CONF_ERROR;
|
|
|
2340 }
|
|
|
2341
|
|
|
2342
|
|
|
2343 static char *
|
|
|
2344 ngx_http_proxy_upstream_fail_timeout_unsupported(ngx_conf_t *cf,
|
|
|
2345 ngx_command_t *cmd, void *conf)
|
|
|
2346 {
|
|
|
2347 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2348 "\"proxy_upstream_fail_timeout\" is not supported, "
|
|
|
2349 "use the \"fail_timeout\" parameter of the \"server\" directive ",
|
|
|
2350 "inside the \"upstream\" block");
|
|
|
2351
|
|
|
2352 return NGX_CONF_ERROR;
|
|
|
2353 }
|
