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