28
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1
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2 /*
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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_http.h>
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10 #include <nginx.h>
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11
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12
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13 typedef struct {
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14 ngx_http_upstream_conf_t upstream;
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15
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16 ngx_peers_t *peers;
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17
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18 ngx_uint_t params;
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19
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20 ngx_str_t root;
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21 ngx_str_t index;
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22
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23 ngx_str_t *location;
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24 } ngx_http_fastcgi_loc_conf_t;
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25
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26
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27 typedef struct {
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28 ngx_list_t headers;
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29
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30 ngx_table_elt_t *status;
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31
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32 ngx_table_elt_t *content_type;
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33 ngx_table_elt_t *content_length;
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34 ngx_table_elt_t *x_powered_by;
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35
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36 #if (NGX_HTTP_GZIP)
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37 ngx_table_elt_t *content_encoding;
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38 #endif
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39 } ngx_http_fastcgi_headers_in_t;
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40
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41
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42 typedef struct {
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43 ngx_http_fastcgi_headers_in_t headers_in;
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44 } ngx_http_fastcgi_upstream_t;
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45
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46
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47 typedef enum {
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48 ngx_http_fastcgi_st_version = 0,
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49 ngx_http_fastcgi_st_type,
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50 ngx_http_fastcgi_st_request_id_hi,
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51 ngx_http_fastcgi_st_request_id_lo,
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52 ngx_http_fastcgi_st_content_length_hi,
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53 ngx_http_fastcgi_st_content_length_lo,
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54 ngx_http_fastcgi_st_padding_length,
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55 ngx_http_fastcgi_st_reserved,
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56 ngx_http_fastcgi_st_data,
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57 ngx_http_fastcgi_st_padding,
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58 } ngx_http_fastcgi_state_e;
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59
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60
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61 typedef struct {
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62 ngx_http_fastcgi_state_e state;
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63 u_char *pos;
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64 u_char *last;
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65 ngx_uint_t type;
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66 size_t length;
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67 size_t padding;
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68
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69 ngx_http_fastcgi_upstream_t *upstream;
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70 } ngx_http_fastcgi_ctx_t;
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71
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72
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73 #define NGX_HTTP_FASTCGI_REMOTE_ADDR 0x0002
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74 #define NGX_HTTP_FASTCGI_REMOTE_USER 0x0004
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75 #define NGX_HTTP_FASTCGI_SERVER_NAME 0x0008
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76 #define NGX_HTTP_FASTCGI_SERVER_ADDR 0x0010
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77 #define NGX_HTTP_FASTCGI_SERVER_PORT 0x0020
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78 #define NGX_HTTP_FASTCGI_SCRIPT_NAME 0x0040
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79 #define NGX_HTTP_FASTCGI_AUTH_TYPE 0x0080
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80 #define NGX_HTTP_FASTCGI_SERVER_PROTOCOL 0x0100
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81 #define NGX_HTTP_FASTCGI_SERVER_SOFTWARE 0x0200
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82 #define NGX_HTTP_FASTCGI_GATEWAY_INTERFACE 0x0400
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83 #define NGX_HTTP_FASTCGI_REQUEST_URI 0x0800
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84 #define NGX_HTTP_FASTCGI_REDIRECT_STATUS 0x1000
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85
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86
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87 #define NGX_HTTP_FASTCGI_RESPONDER 1
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88
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89 #define NGX_HTTP_FASTCGI_BEGIN_REQUEST 1
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90 #define NGX_HTTP_FASTCGI_ABORT_REQUEST 2
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91 #define NGX_HTTP_FASTCGI_END_REQUEST 3
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92 #define NGX_HTTP_FASTCGI_PARAMS 4
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93 #define NGX_HTTP_FASTCGI_STDIN 5
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94 #define NGX_HTTP_FASTCGI_STDOUT 6
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95 #define NGX_HTTP_FASTCGI_STDERR 7
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96 #define NGX_HTTP_FASTCGI_DATA 8
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97
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98
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99 typedef struct {
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100 u_char version;
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101 u_char type;
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102 u_char request_id_hi;
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103 u_char request_id_lo;
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104 u_char content_length_hi;
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105 u_char content_length_lo;
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106 u_char padding_length;
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107 u_char reserved;
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108 } ngx_http_fastcgi_header_t;
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109
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110
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111 typedef struct {
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112 u_char role_hi;
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113 u_char role_lo;
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114 u_char flags;
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115 u_char reserved[5];
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116 } ngx_http_fastcgi_begin_request_t;
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117
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118
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119 static ngx_int_t ngx_http_fastcgi_create_request(ngx_http_request_t *r);
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120 static ngx_int_t ngx_http_fastcgi_reinit_request(ngx_http_request_t *r);
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121 static ngx_int_t ngx_http_fastcgi_process_header(ngx_http_request_t *r);
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122 static ngx_int_t ngx_http_fastcgi_send_header(ngx_http_request_t *r);
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123 static ngx_int_t ngx_http_fastcgi_input_filter(ngx_event_pipe_t *p,
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124 ngx_buf_t *buf);
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125 static ngx_int_t ngx_http_fastcgi_process_record(ngx_http_request_t *r,
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126 ngx_http_fastcgi_ctx_t *f);
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127 static void ngx_http_fastcgi_abort_request(ngx_http_request_t *r);
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128 static void ngx_http_fastcgi_finalize_request(ngx_http_request_t *r,
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129 ngx_int_t rc);
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130
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131 static char *ngx_http_fastcgi_pass(ngx_conf_t *cf, ngx_command_t *cmd,
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132 void *conf);
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133 static char *ngx_http_fastcgi_lowat_check(ngx_conf_t *cf, void *post,
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134 void *data);
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135 static void *ngx_http_fastcgi_create_loc_conf(ngx_conf_t *cf);
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136 static char *ngx_http_fastcgi_merge_loc_conf(ngx_conf_t *cf,
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137 void *parent, void *child);
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138
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139
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140 static ngx_str_t ngx_http_fastcgi_methods[] = {
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141 ngx_string("GET"),
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142 ngx_string("HEAD"),
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143 ngx_string("POST")
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144 };
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145
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146
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30
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147 static ngx_str_t ngx_http_fastcgi_uri = ngx_string("/");
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148
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149
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28
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150 static ngx_http_header_t ngx_http_fastcgi_headers_in[] = {
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151 { ngx_string("Status"), offsetof(ngx_http_fastcgi_headers_in_t, status) },
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152
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153 { ngx_string("Content-Type"),
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154 offsetof(ngx_http_fastcgi_headers_in_t, content_type) },
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155
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156 { ngx_string("Content-Length"),
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157 offsetof(ngx_http_fastcgi_headers_in_t, content_length) },
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158
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159 { ngx_string("X-Powered-By"),
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160 offsetof(ngx_http_fastcgi_headers_in_t, x_powered_by) },
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161
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162 #if (NGX_HTTP_GZIP)
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163 { ngx_string("Content-Encoding"),
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164 offsetof(ngx_http_fastcgi_headers_in_t, content_encoding) },
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165 #endif
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166
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167 { ngx_null_string, 0 }
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168 };
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169
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170
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171 static ngx_conf_post_t ngx_http_fastcgi_lowat_post =
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172 { ngx_http_fastcgi_lowat_check } ;
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173
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174 static ngx_conf_bitmask_t ngx_http_fastcgi_next_upstream_masks[] = {
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175 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
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176 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
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177 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
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178 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
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179 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
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180 { ngx_null_string, 0 }
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181 };
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182
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183
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184 static ngx_conf_bitmask_t ngx_http_fastcgi_params_masks[] = {
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185 { ngx_string("remote_addr"), NGX_HTTP_FASTCGI_REMOTE_ADDR },
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186 { ngx_string("server_port"), NGX_HTTP_FASTCGI_SERVER_PORT },
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187 { ngx_string("server_addr"), NGX_HTTP_FASTCGI_SERVER_ADDR },
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188 { ngx_string("server_name"), NGX_HTTP_FASTCGI_SERVER_NAME },
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189 { ngx_string("script_name"), NGX_HTTP_FASTCGI_SCRIPT_NAME },
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190
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191 { ngx_string("server_protocol"), NGX_HTTP_FASTCGI_SERVER_PROTOCOL },
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192 { ngx_string("server_software"), NGX_HTTP_FASTCGI_SERVER_SOFTWARE },
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193 { ngx_string("gateway_interface"), NGX_HTTP_FASTCGI_GATEWAY_INTERFACE },
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194
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195 { ngx_string("redirect_status"), NGX_HTTP_FASTCGI_REDIRECT_STATUS },
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196 { ngx_string("request_uri"), NGX_HTTP_FASTCGI_REQUEST_URI },
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197
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198 { ngx_null_string, 0 }
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199 };
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200
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201
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202 static ngx_command_t ngx_http_fastcgi_commands[] = {
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203
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204 { ngx_string("fastcgi_pass"),
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205 NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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206 ngx_http_fastcgi_pass,
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207 NGX_HTTP_LOC_CONF_OFFSET,
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208 0,
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209 NULL },
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210
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211 { ngx_string("fastcgi_root"),
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212 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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213 ngx_conf_set_str_slot,
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214 NGX_HTTP_LOC_CONF_OFFSET,
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215 offsetof(ngx_http_fastcgi_loc_conf_t, root),
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216 NULL },
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217
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218 { ngx_string("fastcgi_index"),
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219 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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220 ngx_conf_set_str_slot,
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221 NGX_HTTP_LOC_CONF_OFFSET,
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222 offsetof(ngx_http_fastcgi_loc_conf_t, index),
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223 NULL },
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224
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225 { ngx_string("fastcgi_connect_timeout"),
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226 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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227 ngx_conf_set_msec_slot,
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228 NGX_HTTP_LOC_CONF_OFFSET,
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229 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.connect_timeout),
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230 NULL },
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231
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232 { ngx_string("fastcgi_send_timeout"),
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233 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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234 ngx_conf_set_msec_slot,
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235 NGX_HTTP_LOC_CONF_OFFSET,
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236 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.send_timeout),
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237 NULL },
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238
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239 { ngx_string("fastcgi_send_lowat"),
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240 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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241 ngx_conf_set_size_slot,
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242 NGX_HTTP_LOC_CONF_OFFSET,
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243 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.send_lowat),
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244 &ngx_http_fastcgi_lowat_post },
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245
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246 { ngx_string("fastcgi_header_buffer_size"),
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247 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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248 ngx_conf_set_size_slot,
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249 NGX_HTTP_LOC_CONF_OFFSET,
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250 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.header_buffer_size),
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251 NULL },
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252
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253 { ngx_string("fastcgi_x_powered_by"),
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254 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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255 ngx_conf_set_flag_slot,
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256 NGX_HTTP_LOC_CONF_OFFSET,
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257 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.x_powered_by),
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258 NULL },
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259
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260 { ngx_string("fastcgi_read_timeout"),
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261 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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262 ngx_conf_set_msec_slot,
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263 NGX_HTTP_LOC_CONF_OFFSET,
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264 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.read_timeout),
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265 NULL },
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266
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267 { ngx_string("fastcgi_buffers"),
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268 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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269 ngx_conf_set_bufs_slot,
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270 NGX_HTTP_LOC_CONF_OFFSET,
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271 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.bufs),
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272 NULL },
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273
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274 { ngx_string("fastcgi_busy_buffers_size"),
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275 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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276 ngx_conf_set_size_slot,
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277 NGX_HTTP_LOC_CONF_OFFSET,
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278 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.busy_buffers_size),
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279 NULL },
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280
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281 { ngx_string("fastcgi_temp_path"),
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282 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
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283 ngx_conf_set_path_slot,
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284 NGX_HTTP_LOC_CONF_OFFSET,
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285 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.temp_path),
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286 (void *) ngx_garbage_collector_temp_handler },
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287
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288 { ngx_string("fastcgi_max_temp_file_size"),
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289 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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290 ngx_conf_set_size_slot,
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291 NGX_HTTP_LOC_CONF_OFFSET,
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292 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.max_temp_file_size),
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293 NULL },
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294
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295 { ngx_string("fastcgi_temp_file_write_size"),
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296 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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297 ngx_conf_set_size_slot,
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298 NGX_HTTP_LOC_CONF_OFFSET,
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299 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.temp_file_write_size),
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300 NULL },
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301
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302 { ngx_string("fastcgi_next_upstream"),
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303 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_ANY,
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304 ngx_conf_set_bitmask_slot,
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305 NGX_HTTP_LOC_CONF_OFFSET,
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306 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.next_upstream),
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307 &ngx_http_fastcgi_next_upstream_masks },
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308
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309 { ngx_string("fastcgi_params"),
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310 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_ANY,
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311 ngx_conf_set_bitmask_slot,
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312 NGX_HTTP_LOC_CONF_OFFSET,
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313 offsetof(ngx_http_fastcgi_loc_conf_t, params),
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314 &ngx_http_fastcgi_params_masks },
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315
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316 ngx_null_command
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317 };
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318
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319
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320 ngx_http_module_t ngx_http_fastcgi_module_ctx = {
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321 NULL, /* pre conf */
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322
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323 NULL, /* create main configuration */
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324 NULL, /* init main configuration */
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325
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326 NULL, /* create server configuration */
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327 NULL, /* merge server configuration */
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328
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329 ngx_http_fastcgi_create_loc_conf, /* create location configuration */
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330 ngx_http_fastcgi_merge_loc_conf /* merge location configuration */
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331 };
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332
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333
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334 ngx_module_t ngx_http_fastcgi_module = {
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335 NGX_MODULE,
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336 &ngx_http_fastcgi_module_ctx, /* module context */
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337 ngx_http_fastcgi_commands, /* module directives */
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338 NGX_HTTP_MODULE, /* module type */
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339 NULL, /* init module */
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340 NULL /* init process */
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341 };
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342
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343
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344 static ngx_int_t ngx_http_fastcgi_handler(ngx_http_request_t *r)
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345 {
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346 ngx_int_t rc;
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347 ngx_http_upstream_t *u;
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348 ngx_http_fastcgi_loc_conf_t *flcf;
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349
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350 flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module);
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351
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352 if (!(u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t)))) {
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353 return NGX_HTTP_INTERNAL_SERVER_ERROR;
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354 }
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355
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356 u->peer.log = r->connection->log;
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357 u->peer.log_error = NGX_ERROR_ERR;
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358 u->peer.peers = flcf->peers;
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359 u->peer.tries = flcf->peers->number;
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360 #if (NGX_THREADS)
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361 u->peer.lock = &r->connection->lock;
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362 #endif
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363
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364 u->output.tag = (ngx_buf_tag_t) &ngx_http_fastcgi_module;
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365
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366 u->conf = &flcf->upstream;
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367
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368 u->location = flcf->location;
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369
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370 u->create_request = ngx_http_fastcgi_create_request;
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371 u->reinit_request = ngx_http_fastcgi_reinit_request;
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372 u->process_header = ngx_http_fastcgi_process_header;
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373 u->send_header = ngx_http_fastcgi_send_header;
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374 u->abort_request = ngx_http_fastcgi_abort_request;
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375 u->finalize_request = ngx_http_fastcgi_finalize_request;
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376
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377 u->pipe.input_filter = ngx_http_fastcgi_input_filter;
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378 u->pipe.input_ctx = r;
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379
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380 u->log_ctx = r->connection->log->data;
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381 u->log_handler = ngx_http_upstream_log_error;
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382
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383 u->schema.len = sizeof("fastcgi://") - 1;
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384 u->schema.data = (u_char *) "fastcgi://";
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385 u->uri.len = sizeof("/") - 1;
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386 u->uri.data = (u_char *) "/";
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387
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388 r->upstream = u;
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389
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390 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
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391
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392 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
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393 return rc;
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394 }
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395
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396 return NGX_DONE;
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397 }
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398
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399
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400 static ngx_int_t ngx_http_fastcgi_create_request(ngx_http_request_t *r)
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401 {
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402 u_char ch, *pos, addr_text[INET_ADDRSTRLEN];
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403 size_t size, len, index, padding, addr_len;
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404 off_t file_pos;
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405 ngx_buf_t *b;
|
|
406 socklen_t slen;
|
|
407 ngx_chain_t *cl, *body;
|
|
408 ngx_uint_t i, n, next;
|
|
409 ngx_list_part_t *part;
|
|
410 ngx_table_elt_t *header;
|
|
411 struct sockaddr_in sin;
|
|
412 ngx_http_fastcgi_header_t *h;
|
|
413 ngx_http_fastcgi_loc_conf_t *flcf;
|
|
414 ngx_http_fastcgi_begin_request_t *br;
|
|
415
|
|
416 flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module);
|
|
417
|
|
418 if ((flcf->params & NGX_HTTP_FASTCGI_SERVER_ADDR) && r->in_addr == 0) {
|
|
419
|
|
420 slen = sizeof(struct sockaddr_in);
|
|
421 if (getsockname(r->connection->fd,
|
|
422 (struct sockaddr *) &sin, &slen) == -1)
|
|
423 {
|
|
424 ngx_log_error(NGX_LOG_CRIT, r->connection->log,
|
|
425 ngx_socket_errno, "getsockname() failed");
|
|
426 return NGX_ERROR;
|
|
427 }
|
|
428
|
|
429 r->in_addr = sin.sin_addr.s_addr;
|
|
430 }
|
|
431
|
|
432 addr_len = ngx_inet_ntop(r->connection->listening->family, &r->in_addr,
|
|
433 addr_text, INET_ADDRSTRLEN);
|
|
434 if (addr_len == 0) {
|
|
435 return NGX_ERROR;
|
|
436 }
|
|
437
|
|
438
|
|
439 if (r->upstream->method) {
|
|
440 len = 1 + 1 + sizeof("REQUEST_METHOD") - 1
|
|
441 + ngx_http_fastcgi_methods[r->upstream->method - 1].len;
|
|
442
|
|
443 } else {
|
|
444 len = 1 + ((r->method_name.len - 1 > 127) ? 4 : 1)
|
|
445 + sizeof("REQUEST_METHOD") - 1
|
|
446 + r->method_name.len - 1;
|
|
447 }
|
|
448
|
|
449
|
|
450 index = (r->uri.data[r->uri.len - 1] == '/') ? flcf->index.len : 0;
|
|
451
|
|
452 len += 1 + ((flcf->root.len + r->uri.len + index > 127) ? 4 : 1)
|
|
453 + sizeof("PATH_TRANSLATED") - 1
|
|
454 + flcf->root.len + r->uri.len + index;
|
|
455
|
|
456 if (r->args.len) {
|
|
457 len += 1 + ((r->args.len > 127) ? 4 : 1) + sizeof("QUERY_STRING") - 1
|
|
458 + r->args.len;
|
|
459 }
|
|
460
|
|
461 if (r->headers_in.content_length_n > 0) {
|
|
462 len += 1 + ((r->headers_in.content_length->value.len > 127) ? 4 : 1)
|
|
463 + sizeof("CONTENT_LENGTH") - 1
|
|
464 + r->headers_in.content_length->value.len;
|
|
465 }
|
|
466
|
|
467
|
|
468 if (r->headers_in.content_type) {
|
|
469 len += 1 + ((r->headers_in.content_type->value.len > 127) ? 4 : 1)
|
|
470 + sizeof("CONTENT_TYPE") - 1
|
|
471 + r->headers_in.content_type->value.len;
|
|
472 }
|
|
473
|
|
474
|
|
475 if (flcf->params & NGX_HTTP_FASTCGI_REDIRECT_STATUS) {
|
|
476 len += 1 + 1 + sizeof("REDIRECT_STATUS200") - 1;
|
|
477 }
|
|
478
|
|
479 if (flcf->params & NGX_HTTP_FASTCGI_REQUEST_URI) {
|
30
|
480 len += 1 + ((r->unparsed_uri.len > 127) ? 4 : 1)
|
|
481 + sizeof("REQUEST_URI") - 1 + r->unparsed_uri.len;
|
28
|
482 }
|
|
483
|
|
484 if (flcf->params & NGX_HTTP_FASTCGI_SCRIPT_NAME) {
|
|
485 len += 1 + ((r->uri.len + index > 127) ? 4 : 1)
|
|
486 + sizeof("SCRIPT_NAME") - 1 + r->uri.len + index ;
|
|
487 }
|
|
488
|
|
489 if (flcf->params & NGX_HTTP_FASTCGI_REMOTE_ADDR) {
|
|
490 len += 1 + 1 + sizeof("REMOTE_ADDR") - 1 + r->connection->addr_text.len;
|
|
491 }
|
|
492
|
|
493 if (flcf->params & NGX_HTTP_FASTCGI_SERVER_NAME) {
|
|
494 len += 1 + 1 + sizeof("SERVER_NAME") - 1 + r->server_name.len;
|
|
495 }
|
|
496
|
|
497 if (flcf->params & NGX_HTTP_FASTCGI_SERVER_PORT) {
|
|
498 len += 1 + 1 + sizeof("SERVER_PORT") - 1 + r->port_text->len - 1;
|
|
499 }
|
|
500
|
|
501 if (flcf->params & NGX_HTTP_FASTCGI_SERVER_ADDR) {
|
|
502 len += 1 + 1 + sizeof("SERVER_ADDR") - 1 + addr_len;
|
|
503 }
|
|
504
|
|
505 if (flcf->params & NGX_HTTP_FASTCGI_SERVER_PROTOCOL
|
|
506 && r->http_protocol.len)
|
|
507 {
|
|
508 len += 1 + ((r->http_protocol.len > 127) ? 4 : 1)
|
|
509 + sizeof("SERVER_PROTOCOL") - 1 + r->http_protocol.len;
|
|
510 }
|
|
511
|
|
512 if (flcf->params & NGX_HTTP_FASTCGI_SERVER_SOFTWARE) {
|
|
513 len += 1 + 1 + sizeof("SERVER_SOFTWARE") - 1 + sizeof(NGINX_VER) - 1;
|
|
514 }
|
|
515
|
|
516 if (flcf->params & NGX_HTTP_FASTCGI_GATEWAY_INTERFACE) {
|
|
517 len += 1 + 1 + sizeof("GATEWAY_INTERFACE") - 1 + sizeof("CGI/1.1") - 1;
|
|
518 }
|
|
519
|
|
520
|
|
521 part = &r->headers_in.headers.part;
|
|
522 header = part->elts;
|
|
523
|
|
524 for (i = 0; /* void */; i++) {
|
|
525
|
|
526 if (i >= part->nelts) {
|
|
527 if (part->next == NULL) {
|
|
528 break;
|
|
529 }
|
|
530
|
|
531 part = part->next;
|
|
532 header = part->elts;
|
|
533 i = 0;
|
|
534 }
|
|
535
|
|
536 len += ((header[i].key.len > 127) ? 4 : 1)
|
|
537 + ((header[i].value.len > 127) ? 4 : 1)
|
|
538 + 5 + header[i].key.len + header[i].value.len;
|
|
539 }
|
|
540
|
|
541
|
|
542 if (len > 65535) {
|
|
543 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
544 "fastcgi: the request record is too big");
|
|
545 return NGX_ERROR;
|
|
546 }
|
|
547
|
|
548
|
|
549 padding = 8 - len % 8;
|
|
550 padding = (padding == 8) ? 0 : padding;
|
|
551
|
|
552
|
|
553 size = sizeof(ngx_http_fastcgi_header_t)
|
|
554 + sizeof(ngx_http_fastcgi_begin_request_t)
|
|
555
|
|
556 + sizeof(ngx_http_fastcgi_header_t) /* NGX_HTTP_FASTCGI_PARAMS */
|
|
557 + len + padding
|
|
558 + sizeof(ngx_http_fastcgi_header_t) /* NGX_HTTP_FASTCGI_PARAMS */
|
|
559
|
|
560 + sizeof(ngx_http_fastcgi_header_t); /* NGX_HTTP_FASTCGI_STDIN */
|
|
561
|
|
562
|
|
563 if (!(b = ngx_create_temp_buf(r->pool, size))) {
|
|
564 return NGX_ERROR;
|
|
565 }
|
|
566
|
|
567 if (!(cl = ngx_alloc_chain_link(r->pool))) {
|
|
568 return NGX_ERROR;
|
|
569 }
|
|
570
|
|
571 cl->buf = b;
|
|
572
|
|
573 h = (ngx_http_fastcgi_header_t *) b->pos;
|
|
574
|
|
575 h->version = 1;
|
|
576 h->type = NGX_HTTP_FASTCGI_BEGIN_REQUEST;
|
|
577 h->request_id_hi = 0;
|
|
578 h->request_id_lo = 1;
|
|
579 h->content_length_hi = 0;
|
|
580 h->content_length_lo = sizeof(ngx_http_fastcgi_begin_request_t);
|
|
581 h->padding_length = 0;
|
|
582 h->reserved = 0;
|
|
583
|
|
584 br = (ngx_http_fastcgi_begin_request_t *)
|
|
585 (b->pos + sizeof(ngx_http_fastcgi_header_t));
|
|
586 br->role_hi = 0;
|
|
587 br->role_lo = NGX_HTTP_FASTCGI_RESPONDER;
|
|
588 br->flags = 0; /* NGX_HTTP_FASTCGI_KEEP_CONN */
|
|
589 br->reserved[0] = 0;
|
|
590 br->reserved[1] = 0;
|
|
591 br->reserved[2] = 0;
|
|
592 br->reserved[3] = 0;
|
|
593 br->reserved[4] = 0;
|
|
594
|
|
595 h = (ngx_http_fastcgi_header_t *)
|
|
596 (b->pos + sizeof(ngx_http_fastcgi_header_t)
|
|
597 + sizeof(ngx_http_fastcgi_begin_request_t));
|
|
598
|
|
599 h->version = 1;
|
|
600 h->type = NGX_HTTP_FASTCGI_PARAMS;
|
|
601 h->request_id_hi = 0;
|
|
602 h->request_id_lo = 1;
|
|
603 h->content_length_hi = (u_char) ((len >> 8) & 0xff);
|
|
604 h->content_length_lo = (u_char) (len & 0xff);
|
|
605 h->padding_length = (u_char) padding;
|
|
606 h->reserved = 0;
|
|
607
|
|
608 b->last = b->pos + sizeof(ngx_http_fastcgi_header_t)
|
|
609 + sizeof(ngx_http_fastcgi_begin_request_t)
|
|
610 + sizeof(ngx_http_fastcgi_header_t);
|
|
611
|
|
612
|
|
613 *b->last++ = sizeof("PATH_TRANSLATED") - 1;
|
|
614
|
|
615 len = flcf->root.len + r->uri.len + index;
|
|
616 if (len > 127) {
|
|
617 *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
|
|
618 *b->last++ = (u_char) ((len >> 16) & 0xff);
|
|
619 *b->last++ = (u_char) ((len >> 8) & 0xff);
|
|
620 *b->last++ = (u_char) (len & 0xff);
|
|
621
|
|
622 } else {
|
|
623 *b->last++ = (u_char) len;
|
|
624 }
|
|
625
|
|
626 b->last = ngx_cpymem(b->last, "PATH_TRANSLATED",
|
|
627 sizeof("PATH_TRANSLATED") - 1);
|
|
628 b->last = ngx_cpymem(b->last, flcf->root.data, flcf->root.len);
|
|
629 b->last = ngx_cpymem(b->last, r->uri.data, r->uri.len);
|
|
630
|
|
631 if (index) {
|
|
632 b->last = ngx_cpymem(b->last, flcf->index.data, index);
|
|
633 }
|
|
634
|
|
635
|
|
636 *b->last++ = sizeof("REQUEST_METHOD") - 1;
|
|
637
|
|
638 if (r->upstream->method) {
|
|
639 *b->last++ = (u_char)
|
|
640 ngx_http_fastcgi_methods[r->upstream->method - 1].len;
|
|
641
|
|
642 b->last = ngx_cpymem(b->last, "REQUEST_METHOD",
|
|
643 sizeof("REQUEST_METHOD") - 1);
|
|
644
|
|
645 b->last = ngx_cpymem(b->last,
|
|
646 ngx_http_fastcgi_methods[r->upstream->method - 1].data,
|
|
647 ngx_http_fastcgi_methods[r->upstream->method - 1].len);
|
|
648
|
|
649 } else {
|
|
650 len = r->method_name.len - 1;
|
|
651 if (len > 127) {
|
|
652 *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
|
|
653 *b->last++ = (u_char) ((len >> 16) & 0xff);
|
|
654 *b->last++ = (u_char) ((len >> 8) & 0xff);
|
|
655 *b->last++ = (u_char) (len & 0xff);
|
|
656
|
|
657 } else {
|
|
658 *b->last++ = (u_char) len;
|
|
659 }
|
|
660
|
|
661 b->last = ngx_cpymem(b->last, "REQUEST_METHOD",
|
|
662 sizeof("REQUEST_METHOD") - 1);
|
|
663 b->last = ngx_cpymem(b->last, r->method_name.data, len);
|
|
664 }
|
|
665
|
|
666
|
|
667 if (r->args.len) {
|
|
668 *b->last++ = sizeof("QUERY_STRING") - 1;
|
|
669
|
|
670 len = r->args.len;
|
|
671 if (len > 127) {
|
|
672 *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
|
|
673 *b->last++ = (u_char) ((len >> 16) & 0xff);
|
|
674 *b->last++ = (u_char) ((len >> 8) & 0xff);
|
|
675 *b->last++ = (u_char) (len & 0xff);
|
|
676
|
|
677 } else {
|
|
678 *b->last++ = (u_char) len;
|
|
679 }
|
|
680
|
|
681 b->last = ngx_cpymem(b->last, "QUERY_STRING",
|
|
682 sizeof("QUERY_STRING") - 1);
|
|
683 b->last = ngx_cpymem(b->last, r->args.data, len);
|
|
684 }
|
|
685
|
|
686
|
|
687 if (r->headers_in.content_length_n > 0) {
|
|
688 *b->last++ = sizeof("CONTENT_LENGTH") - 1;
|
|
689
|
|
690 len = r->headers_in.content_length->value.len;
|
|
691 if (len > 127) {
|
|
692 *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
|
|
693 *b->last++ = (u_char) ((len >> 16) & 0xff);
|
|
694 *b->last++ = (u_char) ((len >> 8) & 0xff);
|
|
695 *b->last++ = (u_char) (len & 0xff);
|
|
696
|
|
697 } else {
|
|
698 *b->last++ = (u_char) len;
|
|
699 }
|
|
700
|
|
701 b->last = ngx_cpymem(b->last, "CONTENT_LENGTH",
|
|
702 sizeof("CONTENT_LENGTH") - 1);
|
|
703 b->last = ngx_cpymem(b->last, r->headers_in.content_length->value.data,
|
|
704 len);
|
|
705 }
|
|
706
|
|
707
|
|
708 if (r->headers_in.content_type) {
|
|
709 *b->last++ = sizeof("CONTENT_TYPE") - 1;
|
|
710
|
|
711 len = r->headers_in.content_type->value.len;
|
|
712 if (len > 127) {
|
|
713 *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
|
|
714 *b->last++ = (u_char) ((len >> 16) & 0xff);
|
|
715 *b->last++ = (u_char) ((len >> 8) & 0xff);
|
|
716 *b->last++ = (u_char) (len & 0xff);
|
|
717
|
|
718 } else {
|
|
719 *b->last++ = (u_char) len;
|
|
720 }
|
|
721
|
|
722 b->last = ngx_cpymem(b->last, "CONTENT_TYPE",
|
|
723 sizeof("CONTENT_TYPE") - 1);
|
|
724 b->last = ngx_cpymem(b->last, r->headers_in.content_type->value.data,
|
|
725 len);
|
|
726 }
|
|
727
|
|
728
|
|
729 if (flcf->params & NGX_HTTP_FASTCGI_REDIRECT_STATUS) {
|
|
730 *b->last++ = sizeof("REDIRECT_STATUS") - 1;
|
|
731 *b->last++ = sizeof("200") - 1;
|
|
732 b->last = ngx_cpymem(b->last, "REDIRECT_STATUS200",
|
|
733 sizeof("REDIRECT_STATUS200") - 1);
|
|
734 }
|
|
735
|
|
736
|
|
737 if (flcf->params & NGX_HTTP_FASTCGI_REQUEST_URI) {
|
|
738 *b->last++ = sizeof("REQUEST_URI") - 1;
|
|
739
|
30
|
740 len = r->unparsed_uri.len;
|
28
|
741 if (len > 127) {
|
|
742 *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
|
|
743 *b->last++ = (u_char) ((len >> 16) & 0xff);
|
|
744 *b->last++ = (u_char) ((len >> 8) & 0xff);
|
|
745 *b->last++ = (u_char) (len & 0xff);
|
|
746
|
|
747 } else {
|
|
748 *b->last++ = (u_char) len;
|
|
749 }
|
|
750
|
|
751 b->last = ngx_cpymem(b->last, "REQUEST_URI", sizeof("REQUEST_URI") - 1);
|
30
|
752 b->last = ngx_cpymem(b->last, r->unparsed_uri.data, len);
|
28
|
753 }
|
|
754
|
|
755
|
|
756 if (flcf->params & NGX_HTTP_FASTCGI_SCRIPT_NAME) {
|
|
757 *b->last++ = sizeof("SCRIPT_NAME") - 1;
|
|
758
|
|
759 len = r->uri.len + index;
|
|
760 if (len > 127) {
|
|
761 *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
|
|
762 *b->last++ = (u_char) ((len >> 16) & 0xff);
|
|
763 *b->last++ = (u_char) ((len >> 8) & 0xff);
|
|
764 *b->last++ = (u_char) (len & 0xff);
|
|
765
|
|
766 } else {
|
|
767 *b->last++ = (u_char) len;
|
|
768 }
|
|
769
|
|
770 b->last = ngx_cpymem(b->last, "SCRIPT_NAME", sizeof("SCRIPT_NAME") - 1);
|
|
771 b->last = ngx_cpymem(b->last, r->uri.data, r->uri.len);
|
|
772
|
|
773 if (index) {
|
|
774 b->last = ngx_cpymem(b->last, flcf->index.data, index);
|
|
775 }
|
|
776 }
|
|
777
|
|
778
|
|
779 if (flcf->params & NGX_HTTP_FASTCGI_REMOTE_ADDR) {
|
|
780 *b->last++ = sizeof("REMOTE_ADDR") - 1;
|
|
781 *b->last++ = (u_char) (r->connection->addr_text.len);
|
|
782 b->last = ngx_cpymem(b->last, "REMOTE_ADDR", sizeof("REMOTE_ADDR") - 1);
|
|
783 b->last = ngx_cpymem(b->last, r->connection->addr_text.data,
|
|
784 r->connection->addr_text.len);
|
|
785 }
|
|
786
|
|
787
|
|
788 if (flcf->params & NGX_HTTP_FASTCGI_SERVER_NAME) {
|
|
789 *b->last++ = sizeof("SERVER_NAME") - 1;
|
|
790 *b->last++ = (u_char) r->server_name.len;
|
|
791 b->last = ngx_cpymem(b->last, "SERVER_NAME", sizeof("SERVER_NAME") - 1);
|
|
792 b->last = ngx_cpymem(b->last, r->server_name.data, r->server_name.len);
|
|
793 }
|
|
794
|
|
795
|
|
796 if (flcf->params & NGX_HTTP_FASTCGI_SERVER_PORT) {
|
|
797 *b->last++ = sizeof("SERVER_PORT") - 1;
|
|
798 *b->last++ = (u_char) (r->port_text->len - 1);
|
|
799 b->last = ngx_cpymem(b->last, "SERVER_PORT", sizeof("SERVER_PORT") - 1);
|
|
800 b->last = ngx_cpymem(b->last, r->port_text->data + 1,
|
|
801 r->port_text->len - 1);
|
|
802 }
|
|
803
|
|
804
|
|
805 if (flcf->params & NGX_HTTP_FASTCGI_SERVER_ADDR) {
|
|
806 *b->last++ = sizeof("SERVER_ADDR") - 1;
|
|
807 *b->last++ = (u_char) addr_len;
|
|
808 b->last = ngx_cpymem(b->last, "SERVER_ADDR", sizeof("SERVER_ADDR") - 1);
|
|
809 b->last = ngx_cpymem(b->last, addr_text, addr_len);
|
|
810 }
|
|
811
|
|
812
|
|
813 if (flcf->params & NGX_HTTP_FASTCGI_SERVER_PROTOCOL
|
|
814 && r->http_protocol.len)
|
|
815 {
|
|
816 *b->last++ = sizeof("SERVER_PROTOCOL") - 1;
|
|
817
|
|
818 len = r->http_protocol.len;
|
|
819 if (len > 127) {
|
|
820 *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
|
|
821 *b->last++ = (u_char) ((len >> 16) & 0xff);
|
|
822 *b->last++ = (u_char) ((len >> 8) & 0xff);
|
|
823 *b->last++ = (u_char) (len & 0xff);
|
|
824
|
|
825 } else {
|
|
826 *b->last++ = (u_char) len;
|
|
827 }
|
|
828
|
|
829 b->last = ngx_cpymem(b->last, "SERVER_PROTOCOL",
|
|
830 sizeof("SERVER_PROTOCOL") - 1);
|
|
831 b->last = ngx_cpymem(b->last, r->http_protocol.data, len);
|
|
832 }
|
|
833
|
|
834
|
|
835 if (flcf->params & NGX_HTTP_FASTCGI_SERVER_SOFTWARE) {
|
|
836 *b->last++ = sizeof("SERVER_SOFTWARE") - 1;
|
|
837 *b->last++ = (u_char) (sizeof(NGINX_VER) - 1);
|
|
838 b->last = ngx_cpymem(b->last, "SERVER_SOFTWARE",
|
|
839 sizeof("SERVER_SOFTWARE") - 1);
|
|
840 b->last = ngx_cpymem(b->last, NGINX_VER, sizeof(NGINX_VER) - 1);
|
|
841 }
|
|
842
|
|
843
|
|
844 if (flcf->params & NGX_HTTP_FASTCGI_GATEWAY_INTERFACE) {
|
|
845 *b->last++ = sizeof("GATEWAY_INTERFACE") - 1;
|
|
846 *b->last++ = (u_char) (sizeof("CGI/1.1") - 1);
|
|
847 b->last = ngx_cpymem(b->last, "GATEWAY_INTERFACE",
|
|
848 sizeof("GATEWAY_INTERFACE") - 1);
|
|
849 b->last = ngx_cpymem(b->last, "CGI/1.1", sizeof("CGI/1.1") - 1);
|
|
850 }
|
|
851
|
|
852
|
|
853 part = &r->headers_in.headers.part;
|
|
854 header = part->elts;
|
|
855
|
|
856 for (i = 0; /* void */; i++) {
|
|
857
|
|
858 if (i >= part->nelts) {
|
|
859 if (part->next == NULL) {
|
|
860 break;
|
|
861 }
|
|
862
|
|
863 part = part->next;
|
|
864 header = part->elts;
|
|
865 i = 0;
|
|
866 }
|
|
867
|
|
868 len = 5 + header[i].key.len;
|
|
869 if (len > 127) {
|
|
870 *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
|
|
871 *b->last++ = (u_char) ((len >> 16) & 0xff);
|
|
872 *b->last++ = (u_char) ((len >> 8) & 0xff);
|
|
873 *b->last++ = (u_char) (len & 0xff);
|
|
874
|
|
875 } else {
|
|
876 *b->last++ = (u_char) len;
|
|
877 }
|
|
878
|
|
879 len = header[i].value.len;
|
|
880 if (len > 127) {
|
|
881 *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
|
|
882 *b->last++ = (u_char) ((len >> 16) & 0xff);
|
|
883 *b->last++ = (u_char) ((len >> 8) & 0xff);
|
|
884 *b->last++ = (u_char) (len & 0xff);
|
|
885
|
|
886 } else {
|
|
887 *b->last++ = (u_char) len;
|
|
888 }
|
|
889
|
|
890 b->last = ngx_cpymem(b->last, "HTTP_", sizeof("HTTP_") - 1);
|
|
891
|
|
892 for (n = 0; n < header[i].key.len; n++) {
|
|
893 ch = header[i].key.data[n];
|
|
894
|
|
895 if (ch >= 'a' && ch <= 'z') {
|
|
896 ch &= ~0x20;
|
|
897
|
|
898 } else if (ch == '-') {
|
|
899 ch = '_';
|
|
900 }
|
|
901
|
|
902 *b->last++ = ch;
|
|
903 }
|
|
904
|
|
905 b->last = ngx_cpymem(b->last, header[i].value.data,
|
|
906 header[i].value.len);
|
|
907 }
|
|
908
|
|
909
|
|
910 if (padding) {
|
|
911 ngx_memzero(b->last, padding);
|
|
912 b->last += padding;
|
|
913 }
|
|
914
|
|
915
|
|
916 h = (ngx_http_fastcgi_header_t *) b->last;
|
|
917 b->last += sizeof(ngx_http_fastcgi_header_t);
|
|
918
|
|
919 h->version = 1;
|
|
920 h->type = NGX_HTTP_FASTCGI_PARAMS;
|
|
921 h->request_id_hi = 0;
|
|
922 h->request_id_lo = 1;
|
|
923 h->content_length_hi = 0;
|
|
924 h->content_length_lo = 0;
|
|
925 h->padding_length = 0;
|
|
926 h->reserved = 0;
|
|
927
|
|
928 h = (ngx_http_fastcgi_header_t *) b->last;
|
|
929 b->last += sizeof(ngx_http_fastcgi_header_t);
|
|
930
|
|
931 body = r->request_body->bufs;
|
|
932 r->request_body->bufs = cl;
|
|
933
|
|
934 #if (NGX_SUPPRESS_WARN)
|
|
935 file_pos = 0;
|
|
936 pos = NULL;
|
|
937 #endif
|
|
938
|
|
939 while (body) {
|
|
940
|
|
941 if (body->buf->in_file) {
|
|
942 file_pos = body->buf->file_pos;
|
|
943
|
|
944 } else {
|
|
945 pos = body->buf->pos;
|
|
946 }
|
|
947
|
|
948 next = 0;
|
|
949
|
|
950 do {
|
|
951 if (!(b = ngx_alloc_buf(r->pool))) {
|
|
952 return NGX_ERROR;
|
|
953 }
|
|
954
|
|
955 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
956
|
|
957 if (body->buf->in_file) {
|
|
958 b->file_pos = file_pos;
|
|
959 file_pos += 32 * 1024;
|
|
960
|
|
961 if (file_pos > body->buf->file_last) {
|
|
962 file_pos = body->buf->file_last;
|
|
963 next = 1;
|
|
964 }
|
|
965
|
|
966 b->file_last = file_pos;
|
|
967 len = (ngx_uint_t) (file_pos - b->file_pos);
|
|
968
|
|
969 } else {
|
|
970 b->pos = pos;
|
|
971 pos += 32 * 1024;
|
|
972
|
|
973 if (pos > body->buf->last) {
|
|
974 pos = body->buf->last;
|
|
975 next = 1;
|
|
976 }
|
|
977
|
|
978 b->last = pos;
|
|
979 len = (ngx_uint_t) (pos - b->pos);
|
|
980 }
|
|
981
|
|
982 padding = 8 - len % 8;
|
|
983 padding = (padding == 8) ? 0 : padding;
|
|
984
|
|
985 h->version = 1;
|
|
986 h->type = NGX_HTTP_FASTCGI_STDIN;
|
|
987 h->request_id_hi = 0;
|
|
988 h->request_id_lo = 1;
|
|
989 h->content_length_hi = (u_char) ((len >> 8) & 0xff);
|
|
990 h->content_length_lo = (u_char) (len & 0xff);
|
|
991 h->padding_length = (u_char) padding;
|
|
992 h->reserved = 0;
|
|
993
|
|
994 if (!(cl->next = ngx_alloc_chain_link(r->pool))) {
|
|
995 return NGX_ERROR;
|
|
996 }
|
|
997
|
|
998 cl = cl->next;
|
|
999 cl->buf = b;
|
|
1000
|
|
1001 b = ngx_create_temp_buf(r->pool, sizeof(ngx_http_fastcgi_header_t)
|
|
1002 + padding);
|
|
1003 if (b == NULL) {
|
|
1004 return NGX_ERROR;
|
|
1005 }
|
|
1006
|
|
1007 if (padding) {
|
|
1008 ngx_memzero(b->last, padding);
|
|
1009 b->last += padding;
|
|
1010 }
|
|
1011
|
|
1012 h = (ngx_http_fastcgi_header_t *) b->last;
|
|
1013 b->last += sizeof(ngx_http_fastcgi_header_t);
|
|
1014
|
|
1015 if (!(cl->next = ngx_alloc_chain_link(r->pool))) {
|
|
1016 return NGX_ERROR;
|
|
1017 }
|
|
1018
|
|
1019 cl = cl->next;
|
|
1020 cl->buf = b;
|
|
1021
|
|
1022 } while (!next);
|
|
1023
|
|
1024 body = body->next;
|
|
1025 }
|
|
1026
|
|
1027 h->version = 1;
|
|
1028 h->type = NGX_HTTP_FASTCGI_STDIN;
|
|
1029 h->request_id_hi = 0;
|
|
1030 h->request_id_lo = 1;
|
|
1031 h->content_length_hi = 0;
|
|
1032 h->content_length_lo = 0;
|
|
1033 h->padding_length = 0;
|
|
1034 h->reserved = 0;
|
|
1035
|
|
1036 cl->next = NULL;
|
|
1037
|
|
1038 return NGX_OK;
|
|
1039 }
|
|
1040
|
|
1041
|
|
1042 static ngx_int_t ngx_http_fastcgi_reinit_request(ngx_http_request_t *r)
|
|
1043 {
|
|
1044 ngx_http_fastcgi_ctx_t *f;
|
|
1045
|
|
1046 f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module);
|
|
1047
|
|
1048 if (f == NULL) {
|
|
1049 return NGX_OK;
|
|
1050 }
|
|
1051
|
|
1052 f->state = ngx_http_fastcgi_st_version;
|
|
1053
|
|
1054 ngx_memzero(&f->upstream->headers_in,
|
|
1055 sizeof(ngx_http_fastcgi_headers_in_t));
|
|
1056
|
|
1057 if (f->upstream->headers_in.headers.part.elts) {
|
|
1058 if (ngx_list_init(&f->upstream->headers_in.headers, r->pool, 5,
|
|
1059 sizeof(ngx_table_elt_t)) == NGX_ERROR)
|
|
1060 {
|
|
1061 return NGX_ERROR;
|
|
1062 }
|
|
1063 }
|
|
1064
|
|
1065 return NGX_OK;
|
|
1066 }
|
|
1067
|
|
1068
|
|
1069 static ngx_int_t ngx_http_fastcgi_process_header(ngx_http_request_t *r)
|
|
1070 {
|
|
1071 u_char *start, *last;
|
|
1072 ngx_str_t *status_line;
|
|
1073 ngx_int_t rc, status;
|
|
1074 ngx_uint_t i;
|
|
1075 ngx_table_elt_t *h;
|
|
1076 ngx_http_upstream_t *u;
|
|
1077 ngx_http_fastcgi_ctx_t *f;
|
|
1078
|
|
1079 f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module);
|
|
1080
|
|
1081 if (f == NULL) {
|
|
1082 if (!(f = ngx_pcalloc(r->pool, sizeof(ngx_http_fastcgi_ctx_t)))) {
|
|
1083 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
1084 }
|
|
1085
|
|
1086 ngx_http_set_ctx(r, f, ngx_http_fastcgi_module);
|
|
1087
|
|
1088 f->upstream = ngx_pcalloc(r->pool, sizeof(ngx_http_fastcgi_upstream_t));
|
|
1089 if (f->upstream == NULL) {
|
|
1090 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
1091 }
|
|
1092
|
|
1093 if (ngx_list_init(&f->upstream->headers_in.headers, r->pool, 5,
|
|
1094 sizeof(ngx_table_elt_t)) == NGX_ERROR)
|
|
1095 {
|
|
1096 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
1097 }
|
|
1098 }
|
|
1099
|
|
1100 u = r->upstream;
|
|
1101
|
|
1102 for ( ;; ) {
|
|
1103
|
|
1104 if (f->state < ngx_http_fastcgi_st_data) {
|
|
1105
|
|
1106 f->pos = u->header_in.pos;
|
|
1107 f->last = u->header_in.last;
|
|
1108
|
|
1109 rc = ngx_http_fastcgi_process_record(r, f);
|
|
1110
|
|
1111 u->header_in.pos = f->pos;
|
|
1112 u->header_in.last = f->last;
|
|
1113
|
|
1114 if (rc == NGX_AGAIN) {
|
|
1115 return NGX_AGAIN;
|
|
1116 }
|
|
1117
|
|
1118 if (rc == NGX_ERROR) {
|
|
1119 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
1120 }
|
|
1121
|
|
1122 if (f->type != NGX_HTTP_FASTCGI_STDOUT) {
|
|
1123 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
1124 "upstream sent unexpected FastCGI record: %d",
|
|
1125 f->type);
|
|
1126
|
|
1127 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
1128 }
|
|
1129
|
|
1130 if (f->length == 0) {
|
|
1131 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
1132 "upstream closed prematurely FastCGI stdout");
|
|
1133
|
|
1134 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
1135 }
|
|
1136 }
|
|
1137
|
|
1138 if (f->state == ngx_http_fastcgi_st_padding) {
|
|
1139
|
|
1140 if (u->header_in.pos + f->padding < u->header_in.last) {
|
|
1141 f->state = ngx_http_fastcgi_st_version;
|
|
1142 u->header_in.pos += f->padding;
|
|
1143
|
|
1144 continue;
|
|
1145 }
|
|
1146
|
|
1147 if (u->header_in.pos + f->padding == u->header_in.last) {
|
|
1148 f->state = ngx_http_fastcgi_st_version;
|
|
1149 u->header_in.pos = u->header_in.last;
|
|
1150
|
|
1151 return NGX_AGAIN;
|
|
1152 }
|
|
1153
|
|
1154 f->padding -= u->header_in.last - u->header_in.pos;
|
|
1155 u->header_in.pos = u->header_in.last;
|
|
1156
|
|
1157 return NGX_AGAIN;
|
|
1158 }
|
|
1159
|
|
1160 /* f->state == ngx_http_fastcgi_st_data */
|
|
1161
|
|
1162 start = u->header_in.pos;
|
|
1163
|
|
1164 if (u->header_in.pos + f->length < u->header_in.last) {
|
|
1165
|
|
1166 /*
|
|
1167 * set u->header_in.last to the end of the FastCGI record data
|
|
1168 * for ngx_http_parse_header_line()
|
|
1169 */
|
|
1170
|
|
1171 last = u->header_in.last;
|
|
1172 u->header_in.last = u->header_in.pos + f->length;
|
|
1173
|
|
1174 } else {
|
|
1175 last = NULL;
|
|
1176 }
|
|
1177
|
|
1178 for ( ;; ) {
|
|
1179
|
|
1180 rc = ngx_http_parse_header_line(r, &u->header_in);
|
|
1181
|
|
1182 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1183 "http fastcgi parser: %d", rc);
|
|
1184
|
|
1185 if (rc == NGX_AGAIN) {
|
|
1186 break;
|
|
1187 }
|
|
1188
|
|
1189 if (rc == NGX_OK) {
|
|
1190
|
|
1191 /* a header line has been parsed successfully */
|
|
1192
|
|
1193 if (!(h = ngx_list_push(&f->upstream->headers_in.headers))) {
|
|
1194 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
1195 }
|
|
1196
|
|
1197 h->key.len = r->header_name_end - r->header_name_start;
|
|
1198 h->value.len = r->header_end - r->header_start;
|
|
1199
|
|
1200 h->key.data = ngx_palloc(r->pool,
|
|
1201 h->key.len + 1 + h->value.len + 1);
|
|
1202 if (h->key.data == NULL) {
|
|
1203 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
1204 }
|
|
1205
|
|
1206 h->value.data = h->key.data + h->key.len + 1;
|
|
1207
|
|
1208 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
1209 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
1210
|
|
1211 for (i = 0; ngx_http_fastcgi_headers_in[i].name.len != 0; i++) {
|
|
1212 if (ngx_http_fastcgi_headers_in[i].name.len != h->key.len) {
|
|
1213 continue;
|
|
1214 }
|
|
1215
|
|
1216 if (ngx_strcasecmp(ngx_http_fastcgi_headers_in[i].name.data,
|
|
1217 h->key.data) == 0)
|
|
1218 {
|
|
1219 *((ngx_table_elt_t **)
|
|
1220 ((char *) &f->upstream->headers_in
|
|
1221 + ngx_http_fastcgi_headers_in[i].offset)) = h;
|
|
1222 break;
|
|
1223 }
|
|
1224 }
|
|
1225
|
|
1226 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1227 "http fastcgi header: \"%V: %V\"",
|
|
1228 &h->key, &h->value);
|
|
1229
|
|
1230 continue;
|
|
1231 }
|
|
1232
|
|
1233 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
1234
|
|
1235 /* a whole header has been parsed successfully */
|
|
1236
|
|
1237 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1238 "http fastcgi header done");
|
|
1239
|
|
1240 if (f->upstream->headers_in.status) {
|
|
1241 status_line = &f->upstream->headers_in.status->value;
|
|
1242
|
|
1243 status = ngx_atoi(status_line->data, 3);
|
|
1244
|
|
1245 if (status == NGX_ERROR) {
|
|
1246 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
1247 }
|
|
1248
|
|
1249 r->headers_out.status = status;
|
|
1250 r->headers_out.status_line = *status_line;
|
|
1251
|
|
1252 } else {
|
|
1253 r->headers_out.status = 200;
|
|
1254 r->headers_out.status_line.len = sizeof("200 OK") - 1;
|
|
1255 r->headers_out.status_line.data = (u_char *) "200 OK";
|
|
1256 }
|
|
1257
|
|
1258 u->state->status = r->headers_out.status;
|
|
1259 #if 0
|
|
1260 if (u->cachable) {
|
|
1261 u->cachable = ngx_http_upstream_is_cachable(r);
|
|
1262 }
|
|
1263 #endif
|
|
1264
|
|
1265 break;
|
|
1266 }
|
|
1267
|
|
1268 /* there was error while a header line parsing */
|
|
1269
|
|
1270 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
1271 ngx_http_upstream_header_errors[rc
|
|
1272 - NGX_HTTP_PARSE_HEADER_ERROR]);
|
|
1273
|
|
1274 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
1275
|
|
1276 }
|
|
1277
|
|
1278 if (last) {
|
|
1279 u->header_in.last = last;
|
|
1280 }
|
|
1281
|
|
1282 f->length -= u->header_in.pos - start;
|
|
1283
|
|
1284 if (rc == NGX_AGAIN) {
|
|
1285 if (u->header_in.pos == u->header_in.last) {
|
|
1286 return NGX_AGAIN;
|
|
1287 }
|
|
1288
|
|
1289 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
1290 "upstream split a header in FastCGI records");
|
|
1291
|
|
1292 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
1293 }
|
|
1294
|
|
1295 if (f->length == 0) {
|
|
1296 if (f->padding) {
|
|
1297 f->state = ngx_http_fastcgi_st_padding;
|
|
1298 } else {
|
|
1299 f->state = ngx_http_fastcgi_st_version;
|
|
1300 }
|
|
1301 }
|
|
1302
|
|
1303 return NGX_OK;
|
|
1304 }
|
|
1305 }
|
|
1306
|
|
1307
|
|
1308 static ngx_int_t ngx_http_fastcgi_send_header(ngx_http_request_t *r)
|
|
1309 {
|
|
1310 ngx_uint_t i;
|
|
1311 ngx_list_part_t *part;
|
|
1312 ngx_table_elt_t *ho, *h;
|
|
1313 ngx_http_fastcgi_ctx_t *f;
|
|
1314 ngx_http_fastcgi_headers_in_t *headers_in;
|
|
1315
|
|
1316 f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module);
|
|
1317
|
|
1318 headers_in = &f->upstream->headers_in;
|
|
1319 part = &headers_in->headers.part;
|
|
1320 h = part->elts;
|
|
1321
|
|
1322 for (i = 0; /* void */; i++) {
|
|
1323
|
|
1324 if (i >= part->nelts) {
|
|
1325 if (part->next == NULL) {
|
|
1326 break;
|
|
1327 }
|
|
1328
|
|
1329 part = part->next;
|
|
1330 h = part->elts;
|
|
1331 i = 0;
|
|
1332 }
|
|
1333
|
|
1334 /* ignore some headers */
|
|
1335
|
|
1336 if (&h[i] == headers_in->status) {
|
|
1337 continue;
|
|
1338 }
|
|
1339
|
|
1340
|
|
1341 if (&h[i] == headers_in->x_powered_by
|
|
1342 && !r->upstream->conf->x_powered_by)
|
|
1343 {
|
|
1344 continue;
|
|
1345 }
|
|
1346
|
|
1347
|
|
1348 /* "Content-Type" is handled specially */
|
|
1349
|
|
1350 if (&h[i] == headers_in->content_type) {
|
|
1351 r->headers_out.content_type = &h[i];
|
|
1352 r->headers_out.content_type->key.len = 0;
|
|
1353 continue;
|
|
1354 }
|
|
1355
|
|
1356
|
|
1357 /* copy some header pointers and set up r->headers_out */
|
|
1358
|
|
1359 if (!(ho = ngx_list_push(&r->headers_out.headers))) {
|
|
1360 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
1361 }
|
|
1362
|
|
1363 *ho = h[i];
|
|
1364
|
|
1365 #if (NGX_HTTP_GZIP)
|
|
1366 if (&h[i] == headers_in->content_encoding) {
|
|
1367 r->headers_out.content_encoding = ho;
|
|
1368 continue;
|
|
1369 }
|
|
1370 #endif
|
|
1371
|
|
1372 if (&h[i] == headers_in->content_length) {
|
|
1373 r->headers_out.content_length = ho;
|
|
1374 r->headers_out.content_length_n = ngx_atoi(ho->value.data,
|
|
1375 ho->value.len);
|
|
1376 continue;
|
|
1377 }
|
|
1378 }
|
|
1379
|
|
1380 return ngx_http_send_header(r);
|
|
1381 }
|
|
1382
|
|
1383
|
|
1384 static ngx_int_t ngx_http_fastcgi_input_filter(ngx_event_pipe_t *p,
|
|
1385 ngx_buf_t *buf)
|
|
1386 {
|
|
1387 ngx_int_t rc;
|
|
1388 ngx_buf_t *b;
|
|
1389 ngx_str_t line;
|
|
1390 ngx_chain_t *cl;
|
|
1391 ngx_http_request_t *r;
|
|
1392 ngx_http_fastcgi_ctx_t *f;
|
|
1393
|
|
1394 if (buf->pos == buf->last) {
|
|
1395 return NGX_OK;
|
|
1396 }
|
|
1397
|
|
1398 r = p->input_ctx;
|
|
1399 f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module);
|
|
1400
|
|
1401 b = NULL;
|
|
1402
|
|
1403 f->pos = buf->pos;
|
|
1404 f->last = buf->last;
|
|
1405
|
|
1406 for ( ;; ) {
|
|
1407 if (f->state < ngx_http_fastcgi_st_data) {
|
|
1408
|
|
1409 rc = ngx_http_fastcgi_process_record(r, f);
|
|
1410
|
|
1411 if (rc == NGX_AGAIN) {
|
|
1412 break;
|
|
1413 }
|
|
1414
|
|
1415 if (rc == NGX_ERROR) {
|
|
1416 return NGX_ERROR;
|
|
1417 }
|
|
1418
|
|
1419 if (f->type == NGX_HTTP_FASTCGI_STDOUT && f->length == 0) {
|
|
1420 f->state = ngx_http_fastcgi_st_version;
|
|
1421 p->upstream_done = 1;
|
|
1422
|
|
1423 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, p->log, 0,
|
|
1424 "http fastcgi closed stdout");
|
|
1425
|
|
1426 continue;
|
|
1427 }
|
|
1428
|
|
1429 if (f->type == NGX_HTTP_FASTCGI_END_REQUEST) {
|
|
1430 f->state = ngx_http_fastcgi_st_version;
|
|
1431 p->upstream_done = 1;
|
|
1432
|
|
1433 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, p->log, 0,
|
|
1434 "http fastcgi sent end request");
|
|
1435
|
|
1436 break;
|
|
1437 }
|
|
1438 }
|
|
1439
|
|
1440
|
|
1441 if (f->state == ngx_http_fastcgi_st_padding) {
|
|
1442
|
|
1443 if (f->pos + f->padding < f->last) {
|
|
1444 f->state = ngx_http_fastcgi_st_version;
|
|
1445 f->pos += f->padding;
|
|
1446
|
|
1447 continue;
|
|
1448 }
|
|
1449
|
|
1450 if (f->pos + f->padding == f->last) {
|
|
1451 f->state = ngx_http_fastcgi_st_version;
|
|
1452
|
|
1453 break;
|
|
1454 }
|
|
1455
|
|
1456 f->padding -= f->last - f->pos;
|
|
1457
|
|
1458 break;
|
|
1459 }
|
|
1460
|
|
1461
|
|
1462 /* f->state == ngx_http_fastcgi_st_data */
|
|
1463
|
|
1464 if (f->type == NGX_HTTP_FASTCGI_STDERR) {
|
|
1465
|
|
1466 if (f->length) {
|
|
1467 line.data = f->pos;
|
|
1468
|
|
1469 if (f->pos + f->length <= f->last) {
|
|
1470 line.len = f->length;
|
|
1471 f->pos += f->length;
|
|
1472
|
|
1473 } else {
|
|
1474 line.len = f->last - f->pos;
|
|
1475 f->length -= f->last - f->pos;
|
|
1476 f->pos = f->last;
|
|
1477 }
|
|
1478
|
|
1479 /*
|
|
1480 * TODO: copy split stderr output into buffer,
|
|
1481 * clean it up
|
|
1482 */
|
|
1483
|
|
1484 ngx_log_error(NGX_LOG_ERR, p->log, 0,
|
|
1485 "FastCGI stderr: %V", &line);
|
|
1486
|
|
1487 if (f->pos == f->last) {
|
|
1488 break;
|
|
1489 }
|
|
1490 }
|
|
1491
|
|
1492 f->state = ngx_http_fastcgi_st_version;
|
|
1493
|
|
1494 continue;
|
|
1495 }
|
|
1496
|
|
1497
|
|
1498 /* f->type == NGX_HTTP_FASTCGI_STDOUT */
|
|
1499
|
|
1500 if (p->free) {
|
|
1501 b = p->free->buf;
|
|
1502 p->free = p->free->next;
|
|
1503
|
|
1504 } else {
|
|
1505 if (!(b = ngx_alloc_buf(p->pool))) {
|
|
1506 return NGX_ERROR;
|
|
1507 }
|
|
1508 }
|
|
1509
|
|
1510 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
1511
|
|
1512 b->pos = f->pos;
|
|
1513 b->shadow = buf;
|
|
1514 b->tag = p->tag;
|
|
1515 b->temporary = 1;
|
|
1516 b->recycled = 1;
|
|
1517 buf->shadow = b;
|
|
1518
|
|
1519 if (!(cl = ngx_alloc_chain_link(p->pool))) {
|
|
1520 return NGX_ERROR;
|
|
1521 }
|
|
1522
|
|
1523 cl->buf = b;
|
|
1524 cl->next = NULL;
|
|
1525
|
|
1526 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, p->log, 0, "input buf #%d", b->num);
|
|
1527
|
|
1528 ngx_chain_add_link(p->in, p->last_in, cl);
|
|
1529
|
|
1530 if (f->pos + f->length < f->last) {
|
|
1531
|
|
1532 if (f->padding) {
|
|
1533 f->state = ngx_http_fastcgi_st_padding;
|
|
1534 } else {
|
|
1535 f->state = ngx_http_fastcgi_st_version;
|
|
1536 }
|
|
1537
|
|
1538 f->pos += f->length;
|
|
1539 b->last = f->pos;
|
|
1540
|
|
1541 continue;
|
|
1542 }
|
|
1543
|
|
1544 if (f->pos + f->length == f->last) {
|
|
1545
|
|
1546 if (f->padding) {
|
|
1547 f->state = ngx_http_fastcgi_st_padding;
|
|
1548 } else {
|
|
1549 f->state = ngx_http_fastcgi_st_version;
|
|
1550 }
|
|
1551
|
|
1552 b->last = f->last;
|
|
1553
|
|
1554 break;
|
|
1555 }
|
|
1556
|
|
1557 f->length -= f->last - f->pos;
|
|
1558
|
|
1559 b->last = f->last;
|
|
1560
|
|
1561 break;
|
|
1562
|
|
1563 }
|
|
1564
|
|
1565 if (b) {
|
|
1566 b->last_shadow = 1;
|
|
1567 }
|
|
1568
|
|
1569 return NGX_OK;
|
|
1570 }
|
|
1571
|
|
1572
|
|
1573 static ngx_int_t ngx_http_fastcgi_process_record(ngx_http_request_t *r,
|
|
1574 ngx_http_fastcgi_ctx_t *f)
|
|
1575 {
|
|
1576 u_char ch, *p;
|
|
1577 ngx_http_upstream_t *u;
|
|
1578 ngx_http_fastcgi_state_e state;
|
|
1579
|
|
1580 u = r->upstream;
|
|
1581
|
|
1582 state = f->state;
|
|
1583
|
|
1584 for (p = f->pos; p < f->last; p++) {
|
|
1585
|
|
1586 ch = *p;
|
|
1587
|
|
1588 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1589 "http fastcgi record byte: %02Xd", ch);
|
|
1590
|
|
1591 switch (state) {
|
|
1592
|
|
1593 case ngx_http_fastcgi_st_version:
|
|
1594 if (ch != 1) {
|
|
1595 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
1596 "upstream sent unsupported FastCGI "
|
|
1597 "protocol version: %d", ch);
|
|
1598 return NGX_ERROR;
|
|
1599 }
|
|
1600 state = ngx_http_fastcgi_st_type;
|
|
1601 break;
|
|
1602
|
|
1603 case ngx_http_fastcgi_st_type:
|
|
1604 switch (ch) {
|
|
1605 case NGX_HTTP_FASTCGI_STDOUT:
|
|
1606 case NGX_HTTP_FASTCGI_STDERR:
|
|
1607 case NGX_HTTP_FASTCGI_END_REQUEST:
|
|
1608 f->type = (ngx_uint_t) ch;
|
|
1609 break;
|
|
1610 default:
|
|
1611 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
1612 "upstream sent invalid FastCGI "
|
|
1613 "record type: %d", ch);
|
|
1614 return NGX_ERROR;
|
|
1615
|
|
1616 }
|
|
1617 state = ngx_http_fastcgi_st_request_id_hi;
|
|
1618 break;
|
|
1619
|
|
1620 /* we support the single request per connection */
|
|
1621
|
|
1622 case ngx_http_fastcgi_st_request_id_hi:
|
|
1623 if (ch != 0) {
|
|
1624 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
1625 "upstream sent unexpected FastCGI "
|
|
1626 "request id high byte: %d", ch);
|
|
1627 return NGX_ERROR;
|
|
1628 }
|
|
1629 state = ngx_http_fastcgi_st_request_id_lo;
|
|
1630 break;
|
|
1631
|
|
1632 case ngx_http_fastcgi_st_request_id_lo:
|
|
1633 if (ch != 1) {
|
|
1634 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
1635 "upstream sent unexpected FastCGI "
|
|
1636 "request id low byte: %d", ch);
|
|
1637 return NGX_ERROR;
|
|
1638 }
|
|
1639 state = ngx_http_fastcgi_st_content_length_hi;
|
|
1640 break;
|
|
1641
|
|
1642 case ngx_http_fastcgi_st_content_length_hi:
|
|
1643 f->length = ch << 8;
|
|
1644 state = ngx_http_fastcgi_st_content_length_lo;
|
|
1645 break;
|
|
1646
|
|
1647 case ngx_http_fastcgi_st_content_length_lo:
|
|
1648 f->length |= (size_t) ch;
|
|
1649 state = ngx_http_fastcgi_st_padding_length;
|
|
1650 break;
|
|
1651
|
|
1652 case ngx_http_fastcgi_st_padding_length:
|
|
1653 f->padding = (size_t) ch;
|
|
1654 state = ngx_http_fastcgi_st_reserved;
|
|
1655 break;
|
|
1656
|
|
1657 case ngx_http_fastcgi_st_reserved:
|
|
1658 state = ngx_http_fastcgi_st_data;
|
|
1659
|
|
1660 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1661 "http fastcgi record length: %z", f->length);
|
|
1662
|
|
1663 f->pos = p + 1;
|
|
1664 f->state = state;
|
|
1665
|
|
1666 return NGX_OK;
|
|
1667
|
|
1668 /* suppress warning */
|
|
1669 case ngx_http_fastcgi_st_data:
|
|
1670 case ngx_http_fastcgi_st_padding:
|
|
1671 break;
|
|
1672 }
|
|
1673 }
|
|
1674
|
|
1675 f->pos = p + 1;
|
|
1676 f->state = state;
|
|
1677
|
|
1678 return NGX_AGAIN;
|
|
1679 }
|
|
1680
|
|
1681
|
|
1682 static void ngx_http_fastcgi_abort_request(ngx_http_request_t *r)
|
|
1683 {
|
|
1684 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1685 "abort http fastcgi request");
|
|
1686
|
|
1687 return;
|
|
1688 }
|
|
1689
|
|
1690
|
|
1691 static void ngx_http_fastcgi_finalize_request(ngx_http_request_t *r,
|
|
1692 ngx_int_t rc)
|
|
1693 {
|
|
1694 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1695 "finalize http fastcgi request");
|
|
1696
|
|
1697 return;
|
|
1698 }
|
|
1699
|
|
1700
|
|
1701 static char *ngx_http_fastcgi_pass(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
1702 void *conf)
|
|
1703 {
|
|
1704 ngx_http_fastcgi_loc_conf_t *lcf = conf;
|
|
1705
|
|
1706 ngx_str_t *value;
|
|
1707 ngx_inet_upstream_t inet_upstream;
|
|
1708 ngx_http_core_loc_conf_t *clcf;
|
|
1709 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
1710 ngx_unix_domain_upstream_t unix_upstream;
|
|
1711 #endif
|
|
1712
|
|
1713 value = cf->args->elts;
|
|
1714
|
|
1715 if (ngx_strncasecmp(value[1].data, "unix:", 5) == 0) {
|
|
1716
|
|
1717 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
1718
|
|
1719 ngx_memzero(&unix_upstream, sizeof(ngx_unix_domain_upstream_t));
|
|
1720
|
|
1721 unix_upstream.name = value[1];
|
|
1722 unix_upstream.url = value[1];
|
|
1723
|
|
1724 if (!(lcf->peers = ngx_unix_upstream_parse(cf, &unix_upstream))) {
|
|
1725 return NGX_CONF_ERROR;
|
|
1726 }
|
|
1727
|
|
1728 #else
|
|
1729 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1730 "the unix domain sockets are not supported "
|
|
1731 "on this platform");
|
|
1732 return NGX_CONF_ERROR;
|
|
1733
|
|
1734 #endif
|
|
1735
|
|
1736 } else {
|
|
1737 ngx_memzero(&inet_upstream, sizeof(ngx_inet_upstream_t));
|
|
1738
|
|
1739 inet_upstream.name = value[1];
|
|
1740 inet_upstream.url = value[1];
|
|
1741
|
|
1742 if (!(lcf->peers = ngx_inet_upstream_parse(cf, &inet_upstream))) {
|
|
1743 return NGX_CONF_ERROR;
|
|
1744 }
|
|
1745 }
|
|
1746
|
|
1747 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
1748
|
|
1749 clcf->handler = ngx_http_fastcgi_handler;
|
|
1750
|
30
|
1751 lcf->location = clcf->regex ? &ngx_http_fastcgi_uri: &clcf->name;
|
|
1752
|
28
|
1753 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
1754 clcf->auto_redirect = 1;
|
|
1755 }
|
|
1756
|
|
1757 return NGX_CONF_OK;
|
|
1758 }
|
|
1759
|
|
1760
|
|
1761 static char *ngx_http_fastcgi_lowat_check(ngx_conf_t *cf, void *post,
|
|
1762 void *data)
|
|
1763 {
|
|
1764 #if (NGX_FREEBSD)
|
|
1765 ssize_t *np = data;
|
|
1766
|
|
1767 if (*np >= ngx_freebsd_net_inet_tcp_sendspace) {
|
|
1768 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1769 "\"fastcgi_send_lowat\" must be less than %d "
|
|
1770 "(sysctl net.inet.tcp.sendspace)",
|
|
1771 ngx_freebsd_net_inet_tcp_sendspace);
|
|
1772
|
|
1773 return NGX_CONF_ERROR;
|
|
1774 }
|
|
1775
|
|
1776 #elif !(NGX_HAVE_SO_SNDLOWAT)
|
|
1777 ssize_t *np = data;
|
|
1778
|
|
1779 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
1780 "\"fastcgi_send_lowat\" is not supported, ignored");
|
|
1781
|
|
1782 *np = 0;
|
|
1783
|
|
1784 #endif
|
|
1785
|
|
1786 return NGX_CONF_OK;
|
|
1787 }
|
|
1788
|
|
1789
|
|
1790 static void *ngx_http_fastcgi_create_loc_conf(ngx_conf_t *cf)
|
|
1791 {
|
|
1792 ngx_http_fastcgi_loc_conf_t *conf;
|
|
1793
|
|
1794 if (!(conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_fastcgi_loc_conf_t)))) {
|
|
1795 return NGX_CONF_ERROR;
|
|
1796 }
|
|
1797
|
|
1798 /*
|
|
1799 * set by ngx_pcalloc():
|
|
1800 *
|
|
1801 * conf->upstream.bufs.num = 0;
|
|
1802 * conf->upstream.path = NULL;
|
|
1803 * conf->upstream.next_upstream = 0;
|
|
1804 * conf->upstream.temp_path = NULL;
|
|
1805 * conf->params = 0;
|
|
1806 * conf->root.len = 0;
|
|
1807 * conf->root.data = NULL;
|
|
1808 * conf->index.len = 0;
|
|
1809 * conf->index.data = NULL;
|
|
1810 * conf->location = NULL;
|
|
1811 */
|
|
1812
|
|
1813 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
1814 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
1815 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
1816
|
|
1817 conf->upstream.header_buffer_size = NGX_CONF_UNSET_SIZE;
|
|
1818 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
1819 conf->upstream.busy_buffers_size = NGX_CONF_UNSET_SIZE;
|
|
1820
|
|
1821 conf->upstream.max_temp_file_size = NGX_CONF_UNSET_SIZE;
|
|
1822 conf->upstream.temp_file_write_size = NGX_CONF_UNSET_SIZE;
|
|
1823
|
|
1824 conf->upstream.x_powered_by = NGX_CONF_UNSET;
|
|
1825
|
|
1826 /* "fastcgi_cyclic_temp_file" is disabled */
|
|
1827 conf->upstream.cyclic_temp_file = 0;
|
|
1828
|
|
1829 return conf;
|
|
1830 }
|
|
1831
|
|
1832
|
|
1833 static char *ngx_http_fastcgi_merge_loc_conf(ngx_conf_t *cf,
|
|
1834 void *parent, void *child)
|
|
1835 {
|
|
1836 ngx_http_fastcgi_loc_conf_t *prev = parent;
|
|
1837 ngx_http_fastcgi_loc_conf_t *conf = child;
|
|
1838
|
|
1839 size_t size;
|
|
1840
|
|
1841 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
1842 prev->upstream.connect_timeout, 60000);
|
|
1843 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
1844 prev->upstream.send_timeout, 60000);
|
|
1845 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
1846 prev->upstream.send_lowat, 0);
|
|
1847
|
|
1848 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
1849 prev->upstream.read_timeout, 60000);
|
|
1850
|
|
1851 ngx_conf_merge_msec_value(conf->upstream.x_powered_by,
|
|
1852 prev->upstream.x_powered_by, 1);
|
|
1853
|
|
1854
|
|
1855 ngx_conf_merge_size_value(conf->upstream.header_buffer_size,
|
|
1856 prev->upstream.header_buffer_size,
|
|
1857 (size_t) ngx_pagesize);
|
|
1858
|
|
1859 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
1860 8, ngx_pagesize);
|
|
1861
|
|
1862 if (conf->upstream.bufs.num < 2) {
|
|
1863 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1864 "there must be at least 2 \"fastcgi_buffers\"");
|
|
1865 return NGX_CONF_ERROR;
|
|
1866 }
|
|
1867
|
|
1868
|
|
1869 size = conf->upstream.header_buffer_size;
|
|
1870 if (size < conf->upstream.bufs.size) {
|
|
1871 size = conf->upstream.bufs.size;
|
|
1872 }
|
|
1873
|
|
1874
|
|
1875 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size,
|
|
1876 prev->upstream.busy_buffers_size,
|
|
1877 NGX_CONF_UNSET_SIZE);
|
|
1878
|
|
1879 if (conf->upstream.busy_buffers_size == NGX_CONF_UNSET_SIZE) {
|
|
1880 conf->upstream.busy_buffers_size = 2 * size;
|
|
1881
|
|
1882 } else if (conf->upstream.busy_buffers_size < size) {
|
|
1883 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1884 "\"fastcgi_busy_buffers_size\" must be equal or bigger than "
|
|
1885 "maximum of the value of \"fastcgi_header_buffer_size\" and "
|
|
1886 "one of the \"fastcgi_buffers\"");
|
|
1887
|
|
1888 return NGX_CONF_ERROR;
|
|
1889
|
|
1890 } else if (conf->upstream.busy_buffers_size
|
|
1891 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
1892 {
|
|
1893 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1894 "\"fastcgi_busy_buffers_size\" must be less than "
|
|
1895 "the size of all \"fastcgi_buffers\" minus one buffer");
|
|
1896
|
|
1897 return NGX_CONF_ERROR;
|
|
1898 }
|
|
1899
|
|
1900
|
|
1901 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size,
|
|
1902 prev->upstream.temp_file_write_size,
|
|
1903 NGX_CONF_UNSET_SIZE);
|
|
1904
|
|
1905 if (conf->upstream.temp_file_write_size == NGX_CONF_UNSET_SIZE) {
|
|
1906 conf->upstream.temp_file_write_size = 2 * size;
|
|
1907
|
|
1908 } else if (conf->upstream.temp_file_write_size < size) {
|
|
1909 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1910 "\"fastcgi_temp_file_write_size\" must be equal or bigger than "
|
|
1911 "maximum of the value of \"fastcgi_header_buffer_size\" and "
|
|
1912 "one of the \"fastcgi_buffers\"");
|
|
1913
|
|
1914 return NGX_CONF_ERROR;
|
|
1915 }
|
|
1916
|
|
1917
|
|
1918 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size,
|
|
1919 prev->upstream.max_temp_file_size,
|
|
1920 NGX_CONF_UNSET_SIZE);
|
|
1921
|
|
1922 if (conf->upstream.max_temp_file_size == NGX_CONF_UNSET_SIZE) {
|
|
1923
|
|
1924 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
1925
|
|
1926 } else if (conf->upstream.max_temp_file_size != 0
|
|
1927 && conf->upstream.max_temp_file_size < size)
|
|
1928 {
|
|
1929 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1930 "\"fastcgi_max_temp_file_size\" must be equal to zero to disable "
|
|
1931 "the temporary files usage or must be equal or bigger than "
|
|
1932 "maximum of the value of \"fastcgi_header_buffer_size\" and "
|
|
1933 "one of the \"fastcgi_buffers\"");
|
|
1934
|
|
1935 return NGX_CONF_ERROR;
|
|
1936 }
|
|
1937
|
|
1938
|
|
1939 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
1940 prev->upstream.next_upstream,
|
|
1941 (NGX_CONF_BITMASK_SET
|
|
1942 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
1943 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
1944
|
|
1945 ngx_conf_merge_path_value(conf->upstream.temp_path,
|
|
1946 prev->upstream.temp_path,
|
|
1947 NGX_HTTP_FASTCGI_TEMP_PATH, 1, 2, 0,
|
|
1948 ngx_garbage_collector_temp_handler, cf);
|
|
1949
|
|
1950
|
|
1951 ngx_conf_merge_bitmask_value(conf->params, prev->params,
|
|
1952 (NGX_CONF_BITMASK_SET
|
|
1953 |NGX_HTTP_FASTCGI_REMOTE_ADDR
|
|
1954 |NGX_HTTP_FASTCGI_REMOTE_USER
|
|
1955 |NGX_HTTP_FASTCGI_SERVER_NAME
|
|
1956 |NGX_HTTP_FASTCGI_SERVER_PORT
|
|
1957 |NGX_HTTP_FASTCGI_SCRIPT_NAME
|
|
1958 |NGX_HTTP_FASTCGI_AUTH_TYPE
|
|
1959 |NGX_HTTP_FASTCGI_REQUEST_URI
|
|
1960 |NGX_HTTP_FASTCGI_REDIRECT_STATUS));
|
|
1961
|
|
1962 ngx_conf_merge_str_value(conf->root, prev->root, "");
|
|
1963
|
|
1964 if (conf->root.len && conf->root.data[conf->root.len - 1] == '/') {
|
|
1965 conf->root.len--;
|
|
1966 }
|
|
1967
|
|
1968 ngx_conf_merge_str_value(conf->index, prev->index, "");
|
|
1969
|
|
1970 return NGX_CONF_OK;
|
|
1971 }
|