50
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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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200
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14 ngx_http_upstream_conf_t upstream;
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15
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16 ngx_http_upstream_srv_conf_t *upstream_peers;
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17 ngx_peers_t *peers0;
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18
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19 ngx_str_t index;
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20
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21 ngx_array_t *flushes;
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22 ngx_array_t *params_len;
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23 ngx_array_t *params;
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24 ngx_array_t *params_source;
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50
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25 } ngx_http_fastcgi_loc_conf_t;
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26
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27
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28 typedef enum {
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29 ngx_http_fastcgi_st_version = 0,
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30 ngx_http_fastcgi_st_type,
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31 ngx_http_fastcgi_st_request_id_hi,
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32 ngx_http_fastcgi_st_request_id_lo,
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33 ngx_http_fastcgi_st_content_length_hi,
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34 ngx_http_fastcgi_st_content_length_lo,
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35 ngx_http_fastcgi_st_padding_length,
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36 ngx_http_fastcgi_st_reserved,
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37 ngx_http_fastcgi_st_data,
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38 ngx_http_fastcgi_st_padding
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39 } ngx_http_fastcgi_state_e;
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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_state_e state;
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44 u_char *pos;
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45 u_char *last;
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46 ngx_uint_t type;
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47 size_t length;
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48 size_t padding;
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49
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50 ngx_uint_t fastcgi_stdout;
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50
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51 } ngx_http_fastcgi_ctx_t;
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52
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53
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54 #define NGX_HTTP_FASTCGI_RESPONDER 1
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55
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56 #define NGX_HTTP_FASTCGI_BEGIN_REQUEST 1
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57 #define NGX_HTTP_FASTCGI_ABORT_REQUEST 2
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58 #define NGX_HTTP_FASTCGI_END_REQUEST 3
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59 #define NGX_HTTP_FASTCGI_PARAMS 4
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60 #define NGX_HTTP_FASTCGI_STDIN 5
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61 #define NGX_HTTP_FASTCGI_STDOUT 6
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62 #define NGX_HTTP_FASTCGI_STDERR 7
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63 #define NGX_HTTP_FASTCGI_DATA 8
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64
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65
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66 typedef struct {
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67 u_char version;
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68 u_char type;
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69 u_char request_id_hi;
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70 u_char request_id_lo;
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71 u_char content_length_hi;
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72 u_char content_length_lo;
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73 u_char padding_length;
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74 u_char reserved;
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75 } ngx_http_fastcgi_header_t;
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76
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77
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78 typedef struct {
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79 u_char role_hi;
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80 u_char role_lo;
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81 u_char flags;
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82 u_char reserved[5];
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83 } ngx_http_fastcgi_begin_request_t;
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84
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85
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58
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86 typedef struct {
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87 u_char version;
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88 u_char type;
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89 u_char request_id_hi;
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90 u_char request_id_lo;
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91 } ngx_http_fastcgi_header_small_t;
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92
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93
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94 typedef struct {
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95 ngx_http_fastcgi_header_t h0;
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96 ngx_http_fastcgi_begin_request_t br;
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97 ngx_http_fastcgi_header_small_t h1;
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98 } ngx_http_fastcgi_request_start_t;
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99
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100
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101 static ngx_int_t ngx_http_fastcgi_create_request(ngx_http_request_t *r);
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102 static ngx_int_t ngx_http_fastcgi_reinit_request(ngx_http_request_t *r);
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103 static ngx_int_t ngx_http_fastcgi_process_header(ngx_http_request_t *r);
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104 static ngx_int_t ngx_http_fastcgi_input_filter(ngx_event_pipe_t *p,
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105 ngx_buf_t *buf);
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106 static ngx_int_t ngx_http_fastcgi_process_record(ngx_http_request_t *r,
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107 ngx_http_fastcgi_ctx_t *f);
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108 static void ngx_http_fastcgi_abort_request(ngx_http_request_t *r);
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109 static void ngx_http_fastcgi_finalize_request(ngx_http_request_t *r,
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110 ngx_int_t rc);
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111
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112 static ngx_int_t ngx_http_fastcgi_add_variables(ngx_conf_t *cf);
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113 static void *ngx_http_fastcgi_create_loc_conf(ngx_conf_t *cf);
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114 static char *ngx_http_fastcgi_merge_loc_conf(ngx_conf_t *cf,
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115 void *parent, void *child);
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122
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116 static ngx_int_t ngx_http_fastcgi_script_name_variable(ngx_http_request_t *r,
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117 ngx_http_variable_value_t *v, uintptr_t data);
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118
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119 static char *ngx_http_fastcgi_pass(ngx_conf_t *cf, ngx_command_t *cmd,
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120 void *conf);
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121 static char *ngx_http_fastcgi_lowat_check(ngx_conf_t *cf, void *post,
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122 void *data);
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123
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124
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125 static ngx_http_fastcgi_request_start_t ngx_http_fastcgi_request_start = {
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126 { 1, /* version */
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127 NGX_HTTP_FASTCGI_BEGIN_REQUEST, /* type */
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128 0, /* request_id_hi */
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129 1, /* request_id_lo */
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130 0, /* content_length_hi */
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131 sizeof(ngx_http_fastcgi_begin_request_t), /* content_length_lo */
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132 0, /* padding_length */
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133 0 }, /* reserved */
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134
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135 { 0, /* role_hi */
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136 NGX_HTTP_FASTCGI_RESPONDER, /* role_lo */
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137 0, /* NGX_HTTP_FASTCGI_KEEP_CONN */ /* flags */
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138 { 0, 0, 0, 0, 0 } }, /* reserved[5] */
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139
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140 { 1, /* version */
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141 NGX_HTTP_FASTCGI_PARAMS, /* type */
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142 0, /* request_id_hi */
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143 1 }, /* request_id_lo */
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144
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145 };
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146
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147
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148 static ngx_str_t ngx_http_fastcgi_script_name =
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149 ngx_string("fastcgi_script_name");
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150
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151
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152 static ngx_conf_post_t ngx_http_fastcgi_lowat_post =
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153 { ngx_http_fastcgi_lowat_check };
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154
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130
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155 static ngx_conf_deprecated_t ngx_conf_deprecated_fastcgi_header_buffer_size = {
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156 ngx_conf_deprecated, "fastcgi_header_buffer_size", "fastcgi_buffer_size"
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157 };
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158
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206
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159 static ngx_conf_deprecated_t ngx_conf_deprecated_fastcgi_redirect_errors = {
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160 ngx_conf_deprecated, "fastcgi_redirect_errors", "fastcgi_intercept_errors"
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161 };
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162
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163
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164 static ngx_conf_bitmask_t ngx_http_fastcgi_next_upstream_masks[] = {
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165 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
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166 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
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167 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
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168 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
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172
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169 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 },
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170 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
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171 { ngx_null_string, 0 }
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172 };
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173
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174
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175 static ngx_command_t ngx_http_fastcgi_commands[] = {
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176
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177 { ngx_string("fastcgi_pass"),
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178
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178 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1,
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179 ngx_http_fastcgi_pass,
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180 NGX_HTTP_LOC_CONF_OFFSET,
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181 0,
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182 NULL },
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183
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184 { ngx_string("fastcgi_index"),
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185 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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186 ngx_conf_set_str_slot,
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187 NGX_HTTP_LOC_CONF_OFFSET,
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188 offsetof(ngx_http_fastcgi_loc_conf_t, index),
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189 NULL },
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190
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178
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191 { ngx_string("fastcgi_ignore_client_abort"),
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192 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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193 ngx_conf_set_flag_slot,
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194 NGX_HTTP_LOC_CONF_OFFSET,
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195 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.ignore_client_abort),
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196 NULL },
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197
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198 { ngx_string("fastcgi_connect_timeout"),
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199 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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200 ngx_conf_set_msec_slot,
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201 NGX_HTTP_LOC_CONF_OFFSET,
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202 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.connect_timeout),
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203 NULL },
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204
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205 { ngx_string("fastcgi_send_timeout"),
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206 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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207 ngx_conf_set_msec_slot,
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208 NGX_HTTP_LOC_CONF_OFFSET,
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209 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.send_timeout),
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210 NULL },
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211
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212 { ngx_string("fastcgi_send_lowat"),
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213 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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214 ngx_conf_set_size_slot,
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215 NGX_HTTP_LOC_CONF_OFFSET,
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216 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.send_lowat),
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217 &ngx_http_fastcgi_lowat_post },
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218
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219 { ngx_string("fastcgi_buffer_size"),
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220 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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221 ngx_conf_set_size_slot,
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222 NGX_HTTP_LOC_CONF_OFFSET,
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223 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.buffer_size),
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224 NULL },
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225
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226 { ngx_string("fastcgi_header_buffer_size"),
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227 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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228 ngx_conf_set_size_slot,
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229 NGX_HTTP_LOC_CONF_OFFSET,
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230 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.buffer_size),
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231 &ngx_conf_deprecated_fastcgi_header_buffer_size },
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232
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233 { ngx_string("fastcgi_pass_request_headers"),
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234 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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235 ngx_conf_set_flag_slot,
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236 NGX_HTTP_LOC_CONF_OFFSET,
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237 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.pass_request_headers),
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238 NULL },
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239
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240 { ngx_string("fastcgi_pass_request_body"),
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241 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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242 ngx_conf_set_flag_slot,
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243 NGX_HTTP_LOC_CONF_OFFSET,
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244 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.pass_request_body),
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245 NULL },
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246
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206
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247 { ngx_string("fastcgi_intercept_errors"),
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248 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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249 ngx_conf_set_flag_slot,
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250 NGX_HTTP_LOC_CONF_OFFSET,
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251 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.intercept_errors),
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252 NULL },
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253
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254 { ngx_string("fastcgi_redirect_errors"),
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255 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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256 ngx_conf_set_flag_slot,
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257 NGX_HTTP_LOC_CONF_OFFSET,
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258 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.intercept_errors),
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259 &ngx_conf_deprecated_fastcgi_redirect_errors },
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260
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261 { ngx_string("fastcgi_read_timeout"),
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262 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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263 ngx_conf_set_msec_slot,
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264 NGX_HTTP_LOC_CONF_OFFSET,
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265 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.read_timeout),
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266 NULL },
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267
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268 { ngx_string("fastcgi_buffers"),
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269 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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270 ngx_conf_set_bufs_slot,
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271 NGX_HTTP_LOC_CONF_OFFSET,
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272 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.bufs),
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273 NULL },
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274
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275 { ngx_string("fastcgi_busy_buffers_size"),
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276 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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277 ngx_conf_set_size_slot,
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278 NGX_HTTP_LOC_CONF_OFFSET,
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279 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.busy_buffers_size_conf),
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280 NULL },
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281
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282 { ngx_string("fastcgi_temp_path"),
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283 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
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284 ngx_conf_set_path_slot,
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285 NGX_HTTP_LOC_CONF_OFFSET,
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286 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.temp_path),
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287 (void *) ngx_garbage_collector_temp_handler },
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288
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289 { ngx_string("fastcgi_max_temp_file_size"),
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290 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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291 ngx_conf_set_size_slot,
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292 NGX_HTTP_LOC_CONF_OFFSET,
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293 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.max_temp_file_size_conf),
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294 NULL },
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295
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296 { ngx_string("fastcgi_temp_file_write_size"),
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297 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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298 ngx_conf_set_size_slot,
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299 NGX_HTTP_LOC_CONF_OFFSET,
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300 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.temp_file_write_size_conf),
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301 NULL },
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302
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303 { ngx_string("fastcgi_next_upstream"),
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304 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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305 ngx_conf_set_bitmask_slot,
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306 NGX_HTTP_LOC_CONF_OFFSET,
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307 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.next_upstream),
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308 &ngx_http_fastcgi_next_upstream_masks },
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309
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110
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310 { ngx_string("fastcgi_upstream_max_fails"),
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311 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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312 ngx_conf_set_num_slot,
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313 NGX_HTTP_LOC_CONF_OFFSET,
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314 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.max_fails),
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315 NULL },
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316
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317 { ngx_string("fastcgi_upstream_fail_timeout"),
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318 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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319 ngx_conf_set_sec_slot,
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320 NGX_HTTP_LOC_CONF_OFFSET,
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321 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.fail_timeout),
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322 NULL },
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323
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324 { ngx_string("fastcgi_param"),
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325 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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198
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326 ngx_conf_set_keyval_slot,
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327 NGX_HTTP_LOC_CONF_OFFSET,
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328 offsetof(ngx_http_fastcgi_loc_conf_t, params_source),
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329 NULL },
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330
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198
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331 { ngx_string("fastcgi_pass_header"),
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332 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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333 ngx_conf_set_str_array_slot,
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334 NGX_HTTP_LOC_CONF_OFFSET,
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335 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.pass_headers),
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336 NULL },
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337
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338 { ngx_string("fastcgi_hide_header"),
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339 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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340 ngx_conf_set_str_array_slot,
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341 NGX_HTTP_LOC_CONF_OFFSET,
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342 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.hide_headers),
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343 NULL },
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344
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50
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345 ngx_null_command
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346 };
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347
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348
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349 ngx_http_module_t ngx_http_fastcgi_module_ctx = {
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58
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350 ngx_http_fastcgi_add_variables, /* preconfiguration */
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351 NULL, /* postconfiguration */
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352
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353 NULL, /* create main configuration */
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354 NULL, /* init main configuration */
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355
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356 NULL, /* create server configuration */
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357 NULL, /* merge server configuration */
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358
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359 ngx_http_fastcgi_create_loc_conf, /* create location configuration */
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360 ngx_http_fastcgi_merge_loc_conf /* merge location configuration */
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361 };
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362
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363
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364 ngx_module_t ngx_http_fastcgi_module = {
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58
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365 NGX_MODULE_V1,
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366 &ngx_http_fastcgi_module_ctx, /* module context */
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367 ngx_http_fastcgi_commands, /* module directives */
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368 NGX_HTTP_MODULE, /* module type */
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90
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369 NULL, /* init master */
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370 NULL, /* init module */
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90
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371 NULL, /* init process */
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372 NULL, /* init thread */
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373 NULL, /* exit thread */
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374 NULL, /* exit process */
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375 NULL, /* exit master */
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376 NGX_MODULE_V1_PADDING
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50
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377 };
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378
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379
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198
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380 static ngx_str_t ngx_http_fastcgi_hide_headers[] = {
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381 ngx_string("Status"),
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382 ngx_string("X-Accel-Expires"),
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383 ngx_string("X-Accel-Redirect"),
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384 ngx_string("X-Accel-Limit-Rate"),
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385 ngx_string("X-Accel-Buffer"),
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386 ngx_null_string
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387 };
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388
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|
389
|
50
|
390 static ngx_int_t
|
|
391 ngx_http_fastcgi_handler(ngx_http_request_t *r)
|
|
392 {
|
|
393 ngx_int_t rc;
|
|
394 ngx_http_upstream_t *u;
|
|
395 ngx_http_fastcgi_loc_conf_t *flcf;
|
|
396
|
|
397 flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module);
|
|
398
|
|
399 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t));
|
|
400 if (u == NULL) {
|
|
401 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
402 }
|
|
403
|
|
404 u->peer.log = r->connection->log;
|
|
405 u->peer.log_error = NGX_ERROR_ERR;
|
200
|
406 u->peer.peers = flcf->upstream_peers->peers;
|
|
407 u->peer.tries = flcf->upstream_peers->peers->number;
|
50
|
408 #if (NGX_THREADS)
|
|
409 u->peer.lock = &r->connection->lock;
|
|
410 #endif
|
|
411
|
|
412 u->output.tag = (ngx_buf_tag_t) &ngx_http_fastcgi_module;
|
|
413
|
|
414 u->conf = &flcf->upstream;
|
|
415
|
|
416 u->create_request = ngx_http_fastcgi_create_request;
|
|
417 u->reinit_request = ngx_http_fastcgi_reinit_request;
|
|
418 u->process_header = ngx_http_fastcgi_process_header;
|
|
419 u->abort_request = ngx_http_fastcgi_abort_request;
|
|
420 u->finalize_request = ngx_http_fastcgi_finalize_request;
|
|
421
|
198
|
422 u->buffering = 1;
|
|
423
|
130
|
424 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
|
|
425 if (u->pipe == NULL) {
|
|
426 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
427 }
|
|
428
|
|
429 u->pipe->input_filter = ngx_http_fastcgi_input_filter;
|
|
430 u->pipe->input_ctx = r;
|
50
|
431
|
|
432 r->upstream = u;
|
|
433
|
|
434 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
435
|
|
436 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
437 return rc;
|
|
438 }
|
|
439
|
|
440 return NGX_DONE;
|
|
441 }
|
|
442
|
|
443
|
|
444 static ngx_int_t
|
|
445 ngx_http_fastcgi_create_request(ngx_http_request_t *r)
|
|
446 {
|
58
|
447 off_t file_pos;
|
|
448 u_char ch, *pos;
|
|
449 size_t size, len, key_len, val_len, padding;
|
|
450 ngx_uint_t i, n, next;
|
|
451 ngx_buf_t *b;
|
|
452 ngx_chain_t *cl, *body;
|
|
453 ngx_list_part_t *part;
|
|
454 ngx_table_elt_t *header;
|
|
455 ngx_http_script_code_pt code;
|
|
456 ngx_http_script_engine_t e, le;
|
|
457 ngx_http_fastcgi_header_t *h;
|
|
458 ngx_http_fastcgi_loc_conf_t *flcf;
|
|
459 ngx_http_script_len_code_pt lcode;
|
50
|
460
|
58
|
461 len = 0;
|
50
|
462
|
|
463 flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module);
|
|
464
|
58
|
465 if (flcf->params_len) {
|
|
466 ngx_memzero(&le, sizeof(ngx_http_script_engine_t));
|
50
|
467
|
122
|
468 ngx_http_script_flush_no_cachable_variables(r, flcf->flushes);
|
|
469 le.flushed = 1;
|
|
470
|
58
|
471 le.ip = flcf->params_len->elts;
|
|
472 le.request = r;
|
50
|
473
|
58
|
474 while (*(uintptr_t *) le.ip) {
|
50
|
475
|
58
|
476 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
477 key_len = lcode(&le);
|
50
|
478
|
58
|
479 for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) {
|
|
480 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
481 }
|
|
482 le.ip += sizeof(uintptr_t);
|
50
|
483
|
86
|
484 len += 1 + key_len + ((val_len > 127) ? 4 : 1) + val_len;
|
50
|
485 }
|
|
486 }
|
|
487
|
58
|
488 if (flcf->upstream.pass_request_headers) {
|
50
|
489
|
58
|
490 part = &r->headers_in.headers.part;
|
|
491 header = part->elts;
|
|
492
|
|
493 for (i = 0; /* void */; i++) {
|
50
|
494
|
58
|
495 if (i >= part->nelts) {
|
|
496 if (part->next == NULL) {
|
|
497 break;
|
|
498 }
|
50
|
499
|
58
|
500 part = part->next;
|
|
501 header = part->elts;
|
|
502 i = 0;
|
50
|
503 }
|
|
504
|
58
|
505 len += ((sizeof("HTTP_") - 1 + header[i].key.len > 127) ? 4 : 1)
|
|
506 + ((header[i].value.len > 127) ? 4 : 1)
|
|
507 + sizeof("HTTP_") - 1 + header[i].key.len + header[i].value.len;
|
50
|
508 }
|
|
509 }
|
|
510
|
|
511
|
|
512 if (len > 65535) {
|
|
513 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
514 "fastcgi: the request record is too big");
|
|
515 return NGX_ERROR;
|
|
516 }
|
|
517
|
|
518
|
|
519 padding = 8 - len % 8;
|
|
520 padding = (padding == 8) ? 0 : padding;
|
|
521
|
|
522
|
|
523 size = sizeof(ngx_http_fastcgi_header_t)
|
|
524 + sizeof(ngx_http_fastcgi_begin_request_t)
|
|
525
|
|
526 + sizeof(ngx_http_fastcgi_header_t) /* NGX_HTTP_FASTCGI_PARAMS */
|
|
527 + len + padding
|
|
528 + sizeof(ngx_http_fastcgi_header_t) /* NGX_HTTP_FASTCGI_PARAMS */
|
|
529
|
|
530 + sizeof(ngx_http_fastcgi_header_t); /* NGX_HTTP_FASTCGI_STDIN */
|
|
531
|
|
532
|
|
533 b = ngx_create_temp_buf(r->pool, size);
|
|
534 if (b == NULL) {
|
|
535 return NGX_ERROR;
|
|
536 }
|
|
537
|
|
538 cl = ngx_alloc_chain_link(r->pool);
|
|
539 if (cl == NULL) {
|
|
540 return NGX_ERROR;
|
|
541 }
|
|
542
|
|
543 cl->buf = b;
|
|
544
|
58
|
545 ngx_memcpy(b->pos, &ngx_http_fastcgi_request_start,
|
|
546 sizeof(ngx_http_fastcgi_request_start_t));
|
50
|
547
|
|
548 h = (ngx_http_fastcgi_header_t *)
|
|
549 (b->pos + sizeof(ngx_http_fastcgi_header_t)
|
|
550 + sizeof(ngx_http_fastcgi_begin_request_t));
|
|
551
|
|
552 h->content_length_hi = (u_char) ((len >> 8) & 0xff);
|
|
553 h->content_length_lo = (u_char) (len & 0xff);
|
|
554 h->padding_length = (u_char) padding;
|
|
555 h->reserved = 0;
|
|
556
|
|
557 b->last = b->pos + sizeof(ngx_http_fastcgi_header_t)
|
|
558 + sizeof(ngx_http_fastcgi_begin_request_t)
|
|
559 + sizeof(ngx_http_fastcgi_header_t);
|
|
560
|
|
561
|
58
|
562 if (flcf->params_len) {
|
|
563 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
50
|
564
|
58
|
565 e.ip = flcf->params->elts;
|
|
566 e.pos = b->last;
|
|
567 e.request = r;
|
122
|
568 e.flushed = 1;
|
50
|
569
|
58
|
570 le.ip = flcf->params_len->elts;
|
50
|
571
|
58
|
572 while (*(uintptr_t *) le.ip) {
|
50
|
573
|
58
|
574 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
575 key_len = (u_char) lcode(&le);
|
50
|
576
|
58
|
577 for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) {
|
|
578 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
579 }
|
|
580 le.ip += sizeof(uintptr_t);
|
50
|
581
|
86
|
582 *e.pos++ = (u_char) key_len;
|
50
|
583
|
86
|
584 if (val_len > 127) {
|
|
585 *e.pos++ = (u_char) (((val_len >> 24) & 0x7f) | 0x80);
|
|
586 *e.pos++ = (u_char) ((val_len >> 16) & 0xff);
|
|
587 *e.pos++ = (u_char) ((val_len >> 8) & 0xff);
|
|
588 *e.pos++ = (u_char) (val_len & 0xff);
|
50
|
589
|
86
|
590 } else {
|
|
591 *e.pos++ = (u_char) val_len;
|
58
|
592 }
|
50
|
593
|
58
|
594 while (*(uintptr_t *) e.ip) {
|
|
595 code = *(ngx_http_script_code_pt *) e.ip;
|
|
596 code((ngx_http_script_engine_t *) &e);
|
|
597 }
|
|
598 e.ip += sizeof(uintptr_t);
|
50
|
599 }
|
|
600
|
58
|
601 b->last = e.pos;
|
50
|
602 }
|
|
603
|
|
604
|
58
|
605 if (flcf->upstream.pass_request_headers) {
|
50
|
606
|
58
|
607 part = &r->headers_in.headers.part;
|
|
608 header = part->elts;
|
50
|
609
|
58
|
610 for (i = 0; /* void */; i++) {
|
50
|
611
|
58
|
612 if (i >= part->nelts) {
|
|
613 if (part->next == NULL) {
|
126
|
614 break;
|
58
|
615 }
|
126
|
616
|
58
|
617 part = part->next;
|
|
618 header = part->elts;
|
|
619 i = 0;
|
|
620 }
|
50
|
621
|
58
|
622 len = sizeof("HTTP_") - 1 + header[i].key.len;
|
|
623 if (len > 127) {
|
|
624 *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
|
|
625 *b->last++ = (u_char) ((len >> 16) & 0xff);
|
|
626 *b->last++ = (u_char) ((len >> 8) & 0xff);
|
|
627 *b->last++ = (u_char) (len & 0xff);
|
126
|
628
|
58
|
629 } else {
|
|
630 *b->last++ = (u_char) len;
|
50
|
631 }
|
|
632
|
58
|
633 len = header[i].value.len;
|
|
634 if (len > 127) {
|
|
635 *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
|
|
636 *b->last++ = (u_char) ((len >> 16) & 0xff);
|
|
637 *b->last++ = (u_char) ((len >> 8) & 0xff);
|
|
638 *b->last++ = (u_char) (len & 0xff);
|
50
|
639
|
58
|
640 } else {
|
|
641 *b->last++ = (u_char) len;
|
50
|
642 }
|
|
643
|
58
|
644 b->last = ngx_cpymem(b->last, "HTTP_", sizeof("HTTP_") - 1);
|
50
|
645
|
58
|
646 for (n = 0; n < header[i].key.len; n++) {
|
|
647 ch = header[i].key.data[n];
|
50
|
648
|
58
|
649 if (ch >= 'a' && ch <= 'z') {
|
|
650 ch &= ~0x20;
|
50
|
651
|
58
|
652 } else if (ch == '-') {
|
|
653 ch = '_';
|
|
654 }
|
50
|
655
|
58
|
656 *b->last++ = ch;
|
50
|
657 }
|
|
658
|
122
|
659 b->last = ngx_copy(b->last, header[i].value.data,
|
|
660 header[i].value.len);
|
50
|
661 }
|
|
662 }
|
|
663
|
|
664
|
|
665 if (padding) {
|
|
666 ngx_memzero(b->last, padding);
|
|
667 b->last += padding;
|
|
668 }
|
|
669
|
|
670
|
|
671 h = (ngx_http_fastcgi_header_t *) b->last;
|
|
672 b->last += sizeof(ngx_http_fastcgi_header_t);
|
|
673
|
|
674 h->version = 1;
|
|
675 h->type = NGX_HTTP_FASTCGI_PARAMS;
|
|
676 h->request_id_hi = 0;
|
|
677 h->request_id_lo = 1;
|
|
678 h->content_length_hi = 0;
|
|
679 h->content_length_lo = 0;
|
|
680 h->padding_length = 0;
|
|
681 h->reserved = 0;
|
|
682
|
|
683 h = (ngx_http_fastcgi_header_t *) b->last;
|
|
684 b->last += sizeof(ngx_http_fastcgi_header_t);
|
|
685
|
58
|
686 if (flcf->upstream.pass_request_body) {
|
|
687 body = r->upstream->request_bufs;
|
|
688 r->upstream->request_bufs = cl;
|
50
|
689
|
|
690 #if (NGX_SUPPRESS_WARN)
|
58
|
691 file_pos = 0;
|
|
692 pos = NULL;
|
50
|
693 #endif
|
|
694
|
58
|
695 while (body) {
|
50
|
696
|
58
|
697 if (body->buf->in_file) {
|
|
698 file_pos = body->buf->file_pos;
|
50
|
699
|
58
|
700 } else {
|
|
701 pos = body->buf->pos;
|
50
|
702 }
|
|
703
|
58
|
704 next = 0;
|
50
|
705
|
58
|
706 do {
|
|
707 b = ngx_alloc_buf(r->pool);
|
|
708 if (b == NULL) {
|
|
709 return NGX_ERROR;
|
50
|
710 }
|
|
711
|
58
|
712 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
713
|
|
714 if (body->buf->in_file) {
|
|
715 b->file_pos = file_pos;
|
|
716 file_pos += 32 * 1024;
|
50
|
717
|
58
|
718 if (file_pos > body->buf->file_last) {
|
|
719 file_pos = body->buf->file_last;
|
|
720 next = 1;
|
|
721 }
|
|
722
|
|
723 b->file_last = file_pos;
|
|
724 len = (ngx_uint_t) (file_pos - b->file_pos);
|
|
725
|
|
726 } else {
|
|
727 b->pos = pos;
|
|
728 pos += 32 * 1024;
|
50
|
729
|
58
|
730 if (pos > body->buf->last) {
|
|
731 pos = body->buf->last;
|
|
732 next = 1;
|
|
733 }
|
|
734
|
|
735 b->last = pos;
|
|
736 len = (ngx_uint_t) (pos - b->pos);
|
|
737 }
|
50
|
738
|
58
|
739 padding = 8 - len % 8;
|
|
740 padding = (padding == 8) ? 0 : padding;
|
50
|
741
|
58
|
742 h->version = 1;
|
|
743 h->type = NGX_HTTP_FASTCGI_STDIN;
|
|
744 h->request_id_hi = 0;
|
|
745 h->request_id_lo = 1;
|
|
746 h->content_length_hi = (u_char) ((len >> 8) & 0xff);
|
|
747 h->content_length_lo = (u_char) (len & 0xff);
|
|
748 h->padding_length = (u_char) padding;
|
|
749 h->reserved = 0;
|
50
|
750
|
58
|
751 cl->next = ngx_alloc_chain_link(r->pool);
|
|
752 if (cl->next == NULL) {
|
|
753 return NGX_ERROR;
|
|
754 }
|
50
|
755
|
58
|
756 cl = cl->next;
|
|
757 cl->buf = b;
|
|
758
|
|
759 b = ngx_create_temp_buf(r->pool,
|
|
760 sizeof(ngx_http_fastcgi_header_t)
|
|
761 + padding);
|
|
762 if (b == NULL) {
|
|
763 return NGX_ERROR;
|
|
764 }
|
50
|
765
|
58
|
766 if (padding) {
|
|
767 ngx_memzero(b->last, padding);
|
|
768 b->last += padding;
|
|
769 }
|
|
770
|
|
771 h = (ngx_http_fastcgi_header_t *) b->last;
|
|
772 b->last += sizeof(ngx_http_fastcgi_header_t);
|
50
|
773
|
58
|
774 cl->next = ngx_alloc_chain_link(r->pool);
|
|
775 if (cl->next == NULL) {
|
|
776 return NGX_ERROR;
|
|
777 }
|
|
778
|
|
779 cl = cl->next;
|
|
780 cl->buf = b;
|
50
|
781
|
58
|
782 } while (!next);
|
50
|
783
|
58
|
784 body = body->next;
|
|
785 }
|
50
|
786
|
58
|
787 } else {
|
|
788 r->upstream->request_bufs = cl;
|
50
|
789 }
|
|
790
|
|
791 h->version = 1;
|
|
792 h->type = NGX_HTTP_FASTCGI_STDIN;
|
|
793 h->request_id_hi = 0;
|
|
794 h->request_id_lo = 1;
|
|
795 h->content_length_hi = 0;
|
|
796 h->content_length_lo = 0;
|
|
797 h->padding_length = 0;
|
|
798 h->reserved = 0;
|
|
799
|
|
800 cl->next = NULL;
|
|
801
|
|
802 return NGX_OK;
|
|
803 }
|
|
804
|
|
805
|
|
806 static ngx_int_t
|
|
807 ngx_http_fastcgi_reinit_request(ngx_http_request_t *r)
|
|
808 {
|
|
809 ngx_http_fastcgi_ctx_t *f;
|
|
810
|
|
811 f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module);
|
|
812
|
|
813 if (f == NULL) {
|
|
814 return NGX_OK;
|
|
815 }
|
|
816
|
|
817 f->state = ngx_http_fastcgi_st_version;
|
164
|
818 f->fastcgi_stdout = 0;
|
50
|
819
|
|
820 return NGX_OK;
|
|
821 }
|
|
822
|
|
823
|
56
|
824 static ngx_int_t
|
|
825 ngx_http_fastcgi_process_header(ngx_http_request_t *r)
|
50
|
826 {
|
58
|
827 u_char *start, *last;
|
|
828 ngx_str_t *status_line, line;
|
|
829 ngx_int_t rc, status;
|
198
|
830 ngx_uint_t i;
|
58
|
831 ngx_table_elt_t *h;
|
|
832 ngx_http_upstream_t *u;
|
|
833 ngx_http_fastcgi_ctx_t *f;
|
|
834 ngx_http_upstream_header_t *hh;
|
|
835 ngx_http_upstream_main_conf_t *umcf;
|
50
|
836
|
|
837 f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module);
|
|
838
|
58
|
839 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
840
|
50
|
841 if (f == NULL) {
|
|
842 f = ngx_pcalloc(r->pool, sizeof(ngx_http_fastcgi_ctx_t));
|
|
843 if (f == NULL) {
|
|
844 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
845 }
|
|
846
|
|
847 ngx_http_set_ctx(r, f, ngx_http_fastcgi_module);
|
|
848 }
|
|
849
|
|
850 u = r->upstream;
|
|
851
|
|
852 for ( ;; ) {
|
|
853
|
|
854 if (f->state < ngx_http_fastcgi_st_data) {
|
|
855
|
130
|
856 f->pos = u->buffer.pos;
|
|
857 f->last = u->buffer.last;
|
50
|
858
|
|
859 rc = ngx_http_fastcgi_process_record(r, f);
|
|
860
|
130
|
861 u->buffer.pos = f->pos;
|
|
862 u->buffer.last = f->last;
|
50
|
863
|
|
864 if (rc == NGX_AGAIN) {
|
|
865 return NGX_AGAIN;
|
|
866 }
|
|
867
|
|
868 if (rc == NGX_ERROR) {
|
|
869 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
870 }
|
|
871
|
|
872 if (f->type != NGX_HTTP_FASTCGI_STDOUT
|
|
873 && f->type != NGX_HTTP_FASTCGI_STDERR)
|
|
874 {
|
|
875 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
876 "upstream sent unexpected FastCGI record: %d",
|
|
877 f->type);
|
|
878
|
|
879 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
880 }
|
|
881
|
|
882 if (f->type == NGX_HTTP_FASTCGI_STDOUT && f->length == 0) {
|
|
883 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
884 "upstream closed prematurely FastCGI stdout");
|
|
885
|
|
886 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
887 }
|
|
888 }
|
|
889
|
|
890 if (f->state == ngx_http_fastcgi_st_padding) {
|
|
891
|
130
|
892 if (u->buffer.pos + f->padding < u->buffer.last) {
|
50
|
893 f->state = ngx_http_fastcgi_st_version;
|
130
|
894 u->buffer.pos += f->padding;
|
50
|
895
|
|
896 continue;
|
|
897 }
|
|
898
|
130
|
899 if (u->buffer.pos + f->padding == u->buffer.last) {
|
50
|
900 f->state = ngx_http_fastcgi_st_version;
|
130
|
901 u->buffer.pos = u->buffer.last;
|
50
|
902
|
|
903 return NGX_AGAIN;
|
|
904 }
|
|
905
|
130
|
906 f->padding -= u->buffer.last - u->buffer.pos;
|
|
907 u->buffer.pos = u->buffer.last;
|
50
|
908
|
|
909 return NGX_AGAIN;
|
|
910 }
|
|
911
|
|
912
|
|
913 /* f->state == ngx_http_fastcgi_st_data */
|
|
914
|
|
915 if (f->type == NGX_HTTP_FASTCGI_STDERR) {
|
|
916
|
|
917 if (f->length) {
|
130
|
918 line.data = u->buffer.pos;
|
50
|
919
|
130
|
920 if (u->buffer.pos + f->length <= u->buffer.last) {
|
50
|
921 line.len = f->length;
|
130
|
922 u->buffer.pos += f->length;
|
50
|
923 f->length = 0;
|
|
924 f->state = ngx_http_fastcgi_st_padding;
|
|
925
|
126
|
926 } else {
|
130
|
927 line.len = u->buffer.last - u->buffer.pos;
|
|
928 f->length -= u->buffer.last - u->buffer.pos;
|
|
929 u->buffer.pos = u->buffer.last;
|
50
|
930 }
|
|
931
|
|
932 while (line.data[line.len - 1] == LF
|
|
933 || line.data[line.len - 1] == CR
|
|
934 || line.data[line.len - 1] == '.'
|
|
935 || line.data[line.len - 1] == ' ')
|
|
936 {
|
|
937 line.len--;
|
|
938 }
|
|
939
|
|
940 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
941 "FastCGI sent in stderr: \"%V\"", &line);
|
|
942
|
130
|
943 if (u->buffer.pos == u->buffer.last) {
|
164
|
944
|
|
945 if (!f->fastcgi_stdout) {
|
|
946
|
|
947 /*
|
|
948 * the special handling the large number
|
|
949 * of the PHP warnings to not allocate memory
|
|
950 */
|
|
951
|
|
952 u->buffer.pos = u->buffer.start;
|
|
953 u->buffer.last = u->buffer.start;
|
|
954 }
|
|
955
|
50
|
956 return NGX_AGAIN;
|
|
957 }
|
|
958
|
|
959 } else {
|
|
960 f->state = ngx_http_fastcgi_st_version;
|
|
961 }
|
|
962
|
|
963 continue;
|
|
964 }
|
|
965
|
|
966
|
|
967 /* f->type == NGX_HTTP_FASTCGI_STDOUT */
|
|
968
|
164
|
969 f->fastcgi_stdout = 1;
|
|
970
|
130
|
971 start = u->buffer.pos;
|
50
|
972
|
130
|
973 if (u->buffer.pos + f->length < u->buffer.last) {
|
50
|
974
|
|
975 /*
|
130
|
976 * set u->buffer.last to the end of the FastCGI record data
|
50
|
977 * for ngx_http_parse_header_line()
|
|
978 */
|
|
979
|
130
|
980 last = u->buffer.last;
|
|
981 u->buffer.last = u->buffer.pos + f->length;
|
50
|
982
|
|
983 } else {
|
|
984 last = NULL;
|
|
985 }
|
|
986
|
|
987 for ( ;; ) {
|
|
988
|
130
|
989 rc = ngx_http_parse_header_line(r, &u->buffer);
|
50
|
990
|
|
991 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
992 "http fastcgi parser: %d", rc);
|
|
993
|
|
994 if (rc == NGX_AGAIN) {
|
|
995 break;
|
|
996 }
|
|
997
|
|
998 if (rc == NGX_OK) {
|
|
999
|
|
1000 /* a header line has been parsed successfully */
|
|
1001
|
58
|
1002 h = ngx_list_push(&u->headers_in.headers);
|
50
|
1003 if (h == NULL) {
|
|
1004 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
1005 }
|
|
1006
|
58
|
1007 h->hash = r->header_hash;
|
|
1008
|
50
|
1009 h->key.len = r->header_name_end - r->header_name_start;
|
|
1010 h->value.len = r->header_end - r->header_start;
|
|
1011
|
|
1012 h->key.data = ngx_palloc(r->pool,
|
198
|
1013 h->key.len + 1 + h->value.len + 1 + h->key.len);
|
50
|
1014 if (h->key.data == NULL) {
|
|
1015 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
1016 }
|
|
1017
|
|
1018 h->value.data = h->key.data + h->key.len + 1;
|
198
|
1019 h->lowcase_key = h->key.data + h->key.len + 1
|
|
1020 + h->value.len + 1;
|
50
|
1021
|
|
1022 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
1023 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
1024
|
198
|
1025 if (h->key.len == r->lowcase_index) {
|
|
1026 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
1027
|
|
1028 } else {
|
|
1029 for (i = 0; i < h->key.len; i++) {
|
|
1030 h->lowcase_key[i] = ngx_tolower(h->lowcase_key[i]);
|
50
|
1031 }
|
|
1032 }
|
|
1033
|
198
|
1034 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash,
|
|
1035 h->lowcase_key, h->key.len);
|
|
1036
|
|
1037 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
1038 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
1039 }
|
|
1040
|
50
|
1041 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1042 "http fastcgi header: \"%V: %V\"",
|
|
1043 &h->key, &h->value);
|
|
1044
|
164
|
1045 if (u->buffer.pos < u->buffer.last) {
|
|
1046 continue;
|
|
1047 }
|
|
1048
|
|
1049 /* the end of the FastCGI record */
|
|
1050
|
|
1051 break;
|
50
|
1052 }
|
|
1053
|
|
1054 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
1055
|
|
1056 /* a whole header has been parsed successfully */
|
|
1057
|
|
1058 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1059 "http fastcgi header done");
|
|
1060
|
58
|
1061 if (u->headers_in.status) {
|
|
1062 status_line = &u->headers_in.status->value;
|
50
|
1063
|
|
1064 status = ngx_atoi(status_line->data, 3);
|
|
1065
|
|
1066 if (status == NGX_ERROR) {
|
|
1067 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
1068 }
|
|
1069
|
78
|
1070 u->headers_in.status_n = status;
|
|
1071 u->headers_in.status_line = *status_line;
|
50
|
1072
|
|
1073 } else {
|
78
|
1074 u->headers_in.status_n = 200;
|
|
1075 u->headers_in.status_line.len = sizeof("200 OK") - 1;
|
|
1076 u->headers_in.status_line.data = (u_char *) "200 OK";
|
50
|
1077 }
|
|
1078
|
78
|
1079 u->state->status = u->headers_in.status_n;
|
50
|
1080 #if 0
|
|
1081 if (u->cachable) {
|
|
1082 u->cachable = ngx_http_upstream_is_cachable(r);
|
|
1083 }
|
|
1084 #endif
|
|
1085
|
|
1086 break;
|
|
1087 }
|
|
1088
|
|
1089 /* there was error while a header line parsing */
|
|
1090
|
|
1091 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
168
|
1092 "upstream sent invalid header");
|
50
|
1093
|
|
1094 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
1095
|
|
1096 }
|
|
1097
|
|
1098 if (last) {
|
130
|
1099 u->buffer.last = last;
|
50
|
1100 }
|
|
1101
|
130
|
1102 f->length -= u->buffer.pos - start;
|
50
|
1103
|
|
1104 if (f->length == 0) {
|
|
1105 if (f->padding) {
|
|
1106 f->state = ngx_http_fastcgi_st_padding;
|
|
1107 } else {
|
|
1108 f->state = ngx_http_fastcgi_st_version;
|
|
1109 }
|
|
1110 }
|
|
1111
|
164
|
1112 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
1113 return NGX_OK;
|
|
1114 }
|
|
1115
|
|
1116 if (u->buffer.pos == u->buffer.last) {
|
|
1117 return NGX_AGAIN;
|
|
1118 }
|
|
1119
|
|
1120 if (rc == NGX_AGAIN) {
|
|
1121 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
1122 "upstream split a header line in FastCGI records");
|
|
1123
|
|
1124 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
1125 }
|
50
|
1126 }
|
|
1127 }
|
|
1128
|
|
1129
|
|
1130 static ngx_int_t
|
|
1131 ngx_http_fastcgi_input_filter(ngx_event_pipe_t *p, ngx_buf_t *buf)
|
|
1132 {
|
|
1133 ngx_int_t rc;
|
|
1134 ngx_buf_t *b, **prev;
|
|
1135 ngx_str_t line;
|
|
1136 ngx_chain_t *cl;
|
|
1137 ngx_http_request_t *r;
|
|
1138 ngx_http_fastcgi_ctx_t *f;
|
|
1139
|
|
1140 if (buf->pos == buf->last) {
|
|
1141 return NGX_OK;
|
|
1142 }
|
|
1143
|
|
1144 r = p->input_ctx;
|
|
1145 f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module);
|
|
1146
|
|
1147 b = NULL;
|
|
1148 prev = &buf->shadow;
|
|
1149
|
|
1150 f->pos = buf->pos;
|
|
1151 f->last = buf->last;
|
|
1152
|
|
1153 for ( ;; ) {
|
|
1154 if (f->state < ngx_http_fastcgi_st_data) {
|
|
1155
|
|
1156 rc = ngx_http_fastcgi_process_record(r, f);
|
|
1157
|
|
1158 if (rc == NGX_AGAIN) {
|
|
1159 break;
|
|
1160 }
|
|
1161
|
|
1162 if (rc == NGX_ERROR) {
|
|
1163 return NGX_ERROR;
|
|
1164 }
|
|
1165
|
|
1166 if (f->type == NGX_HTTP_FASTCGI_STDOUT && f->length == 0) {
|
|
1167 f->state = ngx_http_fastcgi_st_version;
|
|
1168 p->upstream_done = 1;
|
|
1169
|
|
1170 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, p->log, 0,
|
|
1171 "http fastcgi closed stdout");
|
|
1172
|
|
1173 continue;
|
|
1174 }
|
|
1175
|
|
1176 if (f->type == NGX_HTTP_FASTCGI_END_REQUEST) {
|
|
1177 f->state = ngx_http_fastcgi_st_version;
|
|
1178 p->upstream_done = 1;
|
|
1179
|
|
1180 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, p->log, 0,
|
|
1181 "http fastcgi sent end request");
|
|
1182
|
|
1183 break;
|
|
1184 }
|
|
1185 }
|
|
1186
|
|
1187
|
|
1188 if (f->state == ngx_http_fastcgi_st_padding) {
|
|
1189
|
|
1190 if (f->pos + f->padding < f->last) {
|
|
1191 f->state = ngx_http_fastcgi_st_version;
|
|
1192 f->pos += f->padding;
|
|
1193
|
|
1194 continue;
|
|
1195 }
|
|
1196
|
|
1197 if (f->pos + f->padding == f->last) {
|
|
1198 f->state = ngx_http_fastcgi_st_version;
|
|
1199
|
|
1200 break;
|
|
1201 }
|
|
1202
|
|
1203 f->padding -= f->last - f->pos;
|
|
1204
|
|
1205 break;
|
|
1206 }
|
|
1207
|
|
1208
|
|
1209 /* f->state == ngx_http_fastcgi_st_data */
|
|
1210
|
|
1211 if (f->type == NGX_HTTP_FASTCGI_STDERR) {
|
|
1212
|
|
1213 if (f->length) {
|
188
|
1214
|
|
1215 if (f->pos == f->last) {
|
|
1216 break;
|
|
1217 }
|
|
1218
|
50
|
1219 line.data = f->pos;
|
|
1220
|
|
1221 if (f->pos + f->length <= f->last) {
|
|
1222 line.len = f->length;
|
|
1223 f->pos += f->length;
|
|
1224 f->length = 0;
|
|
1225 f->state = ngx_http_fastcgi_st_padding;
|
|
1226
|
126
|
1227 } else {
|
50
|
1228 line.len = f->last - f->pos;
|
|
1229 f->length -= f->last - f->pos;
|
|
1230 f->pos = f->last;
|
|
1231 }
|
|
1232
|
|
1233 while (line.data[line.len - 1] == LF
|
|
1234 || line.data[line.len - 1] == CR
|
|
1235 || line.data[line.len - 1] == '.'
|
|
1236 || line.data[line.len - 1] == ' ')
|
|
1237 {
|
|
1238 line.len--;
|
|
1239 }
|
|
1240
|
|
1241 ngx_log_error(NGX_LOG_ERR, p->log, 0,
|
|
1242 "FastCGI sent in stderr: \"%V\"", &line);
|
|
1243
|
|
1244 if (f->pos == f->last) {
|
|
1245 break;
|
|
1246 }
|
|
1247
|
|
1248 } else {
|
|
1249 f->state = ngx_http_fastcgi_st_version;
|
|
1250 }
|
|
1251
|
|
1252 continue;
|
|
1253 }
|
|
1254
|
|
1255
|
|
1256 /* f->type == NGX_HTTP_FASTCGI_STDOUT */
|
|
1257
|
188
|
1258 if (f->pos == f->last) {
|
|
1259 break;
|
|
1260 }
|
|
1261
|
50
|
1262 if (p->free) {
|
|
1263 b = p->free->buf;
|
|
1264 p->free = p->free->next;
|
|
1265
|
|
1266 } else {
|
|
1267 b = ngx_alloc_buf(p->pool);
|
|
1268 if (b == NULL) {
|
|
1269 return NGX_ERROR;
|
|
1270 }
|
|
1271 }
|
|
1272
|
|
1273 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
1274
|
|
1275 b->pos = f->pos;
|
|
1276 b->start = buf->start;
|
|
1277 b->end = buf->end;
|
|
1278 b->tag = p->tag;
|
|
1279 b->temporary = 1;
|
|
1280 b->recycled = 1;
|
|
1281
|
|
1282 *prev = b;
|
|
1283 prev = &b->shadow;
|
|
1284
|
|
1285 cl = ngx_alloc_chain_link(p->pool);
|
|
1286 if (cl == NULL) {
|
|
1287 return NGX_ERROR;
|
|
1288 }
|
|
1289
|
|
1290 cl->buf = b;
|
|
1291 cl->next = NULL;
|
|
1292
|
|
1293 if (p->in) {
|
|
1294 *p->last_in = cl;
|
|
1295 } else {
|
|
1296 p->in = cl;
|
|
1297 }
|
|
1298 p->last_in = &cl->next;
|
|
1299
|
|
1300
|
|
1301 /* STUB */ b->num = buf->num;
|
|
1302
|
|
1303 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, p->log, 0, "input buf #%d", b->num);
|
|
1304
|
|
1305
|
|
1306 if (f->pos + f->length < f->last) {
|
|
1307
|
|
1308 if (f->padding) {
|
|
1309 f->state = ngx_http_fastcgi_st_padding;
|
|
1310 } else {
|
|
1311 f->state = ngx_http_fastcgi_st_version;
|
|
1312 }
|
|
1313
|
|
1314 f->pos += f->length;
|
|
1315 b->last = f->pos;
|
|
1316
|
|
1317 continue;
|
|
1318 }
|
|
1319
|
|
1320 if (f->pos + f->length == f->last) {
|
|
1321
|
|
1322 if (f->padding) {
|
|
1323 f->state = ngx_http_fastcgi_st_padding;
|
|
1324 } else {
|
|
1325 f->state = ngx_http_fastcgi_st_version;
|
|
1326 }
|
|
1327
|
|
1328 b->last = f->last;
|
|
1329
|
|
1330 break;
|
|
1331 }
|
|
1332
|
|
1333 f->length -= f->last - f->pos;
|
|
1334
|
|
1335 b->last = f->last;
|
|
1336
|
|
1337 break;
|
|
1338
|
|
1339 }
|
|
1340
|
|
1341 if (b) {
|
|
1342 b->shadow = buf;
|
|
1343 b->last_shadow = 1;
|
|
1344
|
|
1345 return NGX_OK;
|
|
1346 }
|
|
1347
|
|
1348 /* there is no data record in the buf, add it to free chain */
|
|
1349
|
|
1350 if (ngx_event_pipe_add_free_buf(p, buf) != NGX_OK) {
|
|
1351 return NGX_ERROR;
|
|
1352 }
|
|
1353
|
|
1354 return NGX_OK;
|
|
1355 }
|
|
1356
|
|
1357
|
|
1358 static ngx_int_t
|
|
1359 ngx_http_fastcgi_process_record(ngx_http_request_t *r,
|
|
1360 ngx_http_fastcgi_ctx_t *f)
|
|
1361 {
|
|
1362 u_char ch, *p;
|
|
1363 ngx_http_fastcgi_state_e state;
|
|
1364
|
|
1365 state = f->state;
|
|
1366
|
|
1367 for (p = f->pos; p < f->last; p++) {
|
|
1368
|
|
1369 ch = *p;
|
|
1370
|
|
1371 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1372 "http fastcgi record byte: %02Xd", ch);
|
|
1373
|
|
1374 switch (state) {
|
|
1375
|
|
1376 case ngx_http_fastcgi_st_version:
|
|
1377 if (ch != 1) {
|
|
1378 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
1379 "upstream sent unsupported FastCGI "
|
|
1380 "protocol version: %d", ch);
|
|
1381 return NGX_ERROR;
|
|
1382 }
|
|
1383 state = ngx_http_fastcgi_st_type;
|
|
1384 break;
|
|
1385
|
|
1386 case ngx_http_fastcgi_st_type:
|
|
1387 switch (ch) {
|
|
1388 case NGX_HTTP_FASTCGI_STDOUT:
|
|
1389 case NGX_HTTP_FASTCGI_STDERR:
|
|
1390 case NGX_HTTP_FASTCGI_END_REQUEST:
|
|
1391 f->type = (ngx_uint_t) ch;
|
|
1392 break;
|
|
1393 default:
|
|
1394 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
1395 "upstream sent invalid FastCGI "
|
|
1396 "record type: %d", ch);
|
|
1397 return NGX_ERROR;
|
|
1398
|
|
1399 }
|
|
1400 state = ngx_http_fastcgi_st_request_id_hi;
|
|
1401 break;
|
|
1402
|
|
1403 /* we support the single request per connection */
|
|
1404
|
|
1405 case ngx_http_fastcgi_st_request_id_hi:
|
|
1406 if (ch != 0) {
|
|
1407 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
1408 "upstream sent unexpected FastCGI "
|
|
1409 "request id high byte: %d", ch);
|
|
1410 return NGX_ERROR;
|
|
1411 }
|
|
1412 state = ngx_http_fastcgi_st_request_id_lo;
|
|
1413 break;
|
|
1414
|
|
1415 case ngx_http_fastcgi_st_request_id_lo:
|
|
1416 if (ch != 1) {
|
|
1417 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
1418 "upstream sent unexpected FastCGI "
|
|
1419 "request id low byte: %d", ch);
|
|
1420 return NGX_ERROR;
|
|
1421 }
|
|
1422 state = ngx_http_fastcgi_st_content_length_hi;
|
|
1423 break;
|
|
1424
|
|
1425 case ngx_http_fastcgi_st_content_length_hi:
|
|
1426 f->length = ch << 8;
|
|
1427 state = ngx_http_fastcgi_st_content_length_lo;
|
|
1428 break;
|
|
1429
|
|
1430 case ngx_http_fastcgi_st_content_length_lo:
|
|
1431 f->length |= (size_t) ch;
|
|
1432 state = ngx_http_fastcgi_st_padding_length;
|
|
1433 break;
|
|
1434
|
|
1435 case ngx_http_fastcgi_st_padding_length:
|
|
1436 f->padding = (size_t) ch;
|
|
1437 state = ngx_http_fastcgi_st_reserved;
|
|
1438 break;
|
|
1439
|
|
1440 case ngx_http_fastcgi_st_reserved:
|
|
1441 state = ngx_http_fastcgi_st_data;
|
|
1442
|
|
1443 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1444 "http fastcgi record length: %z", f->length);
|
|
1445
|
|
1446 f->pos = p + 1;
|
|
1447 f->state = state;
|
|
1448
|
|
1449 return NGX_OK;
|
|
1450
|
|
1451 /* suppress warning */
|
|
1452 case ngx_http_fastcgi_st_data:
|
|
1453 case ngx_http_fastcgi_st_padding:
|
|
1454 break;
|
|
1455 }
|
|
1456 }
|
|
1457
|
|
1458 f->state = state;
|
|
1459
|
|
1460 return NGX_AGAIN;
|
|
1461 }
|
|
1462
|
|
1463
|
|
1464 static void
|
|
1465 ngx_http_fastcgi_abort_request(ngx_http_request_t *r)
|
|
1466 {
|
|
1467 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1468 "abort http fastcgi request");
|
|
1469
|
|
1470 return;
|
|
1471 }
|
|
1472
|
|
1473
|
|
1474 static void
|
|
1475 ngx_http_fastcgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
1476 {
|
|
1477 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1478 "finalize http fastcgi request");
|
|
1479
|
|
1480 return;
|
|
1481 }
|
|
1482
|
|
1483
|
58
|
1484 static ngx_int_t
|
|
1485 ngx_http_fastcgi_add_variables(ngx_conf_t *cf)
|
50
|
1486 {
|
58
|
1487 ngx_http_variable_t *var;
|
50
|
1488
|
132
|
1489 var = ngx_http_add_variable(cf, &ngx_http_fastcgi_script_name,
|
204
|
1490 NGX_HTTP_VAR_NOHASH|NGX_HTTP_VAR_NOCACHABLE);
|
58
|
1491 if (var == NULL) {
|
|
1492 return NGX_ERROR;
|
50
|
1493 }
|
|
1494
|
186
|
1495 var->get_handler = ngx_http_fastcgi_script_name_variable;
|
50
|
1496
|
58
|
1497 return NGX_OK;
|
50
|
1498 }
|
|
1499
|
|
1500
|
|
1501 static void *
|
|
1502 ngx_http_fastcgi_create_loc_conf(ngx_conf_t *cf)
|
|
1503 {
|
|
1504 ngx_http_fastcgi_loc_conf_t *conf;
|
|
1505
|
|
1506 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_fastcgi_loc_conf_t));
|
|
1507 if (conf == NULL) {
|
|
1508 return NGX_CONF_ERROR;
|
|
1509 }
|
|
1510
|
|
1511 /*
|
|
1512 * set by ngx_pcalloc():
|
|
1513 *
|
|
1514 * conf->upstream.bufs.num = 0;
|
|
1515 * conf->upstream.next_upstream = 0;
|
|
1516 * conf->upstream.temp_path = NULL;
|
198
|
1517 * conf->upstream.hide_headers_hash = { NULL, 0 };
|
|
1518 * conf->upstream.hide_headers = NULL;
|
|
1519 * conf->upstream.pass_headers = NULL;
|
58
|
1520 * conf->upstream.schema = { 0, NULL };
|
|
1521 * conf->upstream.uri = { 0, NULL };
|
|
1522 * conf->upstream.location = NULL;
|
|
1523 *
|
50
|
1524 * conf->index.len = 0;
|
|
1525 * conf->index.data = NULL;
|
|
1526 */
|
|
1527
|
130
|
1528 conf->upstream.buffering = NGX_CONF_UNSET;
|
178
|
1529 conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
|
130
|
1530
|
50
|
1531 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
1532 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
56
|
1533 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
1534
|
50
|
1535 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
130
|
1536 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
78
|
1537
|
|
1538 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
126
|
1539 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
78
|
1540 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
58
|
1541
|
110
|
1542 conf->upstream.max_fails = NGX_CONF_UNSET_UINT;
|
|
1543 conf->upstream.fail_timeout = NGX_CONF_UNSET;
|
|
1544
|
58
|
1545 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
1546 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
1547
|
206
|
1548 conf->upstream.intercept_errors = NGX_CONF_UNSET;
|
50
|
1549
|
|
1550 /* "fastcgi_cyclic_temp_file" is disabled */
|
|
1551 conf->upstream.cyclic_temp_file = 0;
|
|
1552
|
|
1553 return conf;
|
|
1554 }
|
|
1555
|
|
1556
|
|
1557 static char *
|
|
1558 ngx_http_fastcgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
1559 {
|
|
1560 ngx_http_fastcgi_loc_conf_t *prev = parent;
|
|
1561 ngx_http_fastcgi_loc_conf_t *conf = child;
|
|
1562
|
58
|
1563 u_char *p;
|
|
1564 size_t size;
|
|
1565 uintptr_t *code;
|
198
|
1566 ngx_str_t *header;
|
|
1567 ngx_uint_t i, j;
|
212
|
1568 ngx_peer_t *peer;
|
198
|
1569 ngx_array_t hide_headers;
|
|
1570 ngx_keyval_t *src;
|
|
1571 ngx_hash_key_t *hk;
|
|
1572 ngx_hash_init_t hash;
|
58
|
1573 ngx_http_script_compile_t sc;
|
|
1574 ngx_http_script_copy_code_t *copy;
|
50
|
1575
|
130
|
1576 ngx_conf_merge_value(conf->upstream.buffering,
|
|
1577 prev->upstream.buffering, 1);
|
|
1578
|
178
|
1579 ngx_conf_merge_value(conf->upstream.ignore_client_abort,
|
|
1580 prev->upstream.ignore_client_abort, 0);
|
|
1581
|
50
|
1582 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
1583 prev->upstream.connect_timeout, 60000);
|
56
|
1584
|
50
|
1585 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
1586 prev->upstream.send_timeout, 60000);
|
|
1587
|
|
1588 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
1589 prev->upstream.read_timeout, 60000);
|
|
1590
|
56
|
1591 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
1592 prev->upstream.send_lowat, 0);
|
50
|
1593
|
130
|
1594 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
1595 prev->upstream.buffer_size,
|
50
|
1596 (size_t) ngx_pagesize);
|
|
1597
|
56
|
1598
|
50
|
1599 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
1600 8, ngx_pagesize);
|
|
1601
|
|
1602 if (conf->upstream.bufs.num < 2) {
|
|
1603 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1604 "there must be at least 2 \"fastcgi_buffers\"");
|
|
1605 return NGX_CONF_ERROR;
|
|
1606 }
|
|
1607
|
|
1608
|
130
|
1609 size = conf->upstream.buffer_size;
|
50
|
1610 if (size < conf->upstream.bufs.size) {
|
|
1611 size = conf->upstream.bufs.size;
|
|
1612 }
|
|
1613
|
|
1614
|
78
|
1615 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
1616 prev->upstream.busy_buffers_size_conf,
|
50
|
1617 NGX_CONF_UNSET_SIZE);
|
|
1618
|
78
|
1619 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
50
|
1620 conf->upstream.busy_buffers_size = 2 * size;
|
78
|
1621 } else {
|
|
1622 conf->upstream.busy_buffers_size =
|
|
1623 conf->upstream.busy_buffers_size_conf;
|
|
1624 }
|
50
|
1625
|
78
|
1626 if (conf->upstream.busy_buffers_size < size) {
|
50
|
1627 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1628 "\"fastcgi_busy_buffers_size\" must be equal or bigger than "
|
|
1629 "maximum of the value of \"fastcgi_header_buffer_size\" and "
|
|
1630 "one of the \"fastcgi_buffers\"");
|
|
1631
|
|
1632 return NGX_CONF_ERROR;
|
78
|
1633 }
|
50
|
1634
|
78
|
1635 if (conf->upstream.busy_buffers_size
|
|
1636 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
50
|
1637 {
|
|
1638 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1639 "\"fastcgi_busy_buffers_size\" must be less than "
|
|
1640 "the size of all \"fastcgi_buffers\" minus one buffer");
|
|
1641
|
|
1642 return NGX_CONF_ERROR;
|
|
1643 }
|
|
1644
|
|
1645
|
78
|
1646 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
1647 prev->upstream.temp_file_write_size_conf,
|
50
|
1648 NGX_CONF_UNSET_SIZE);
|
|
1649
|
78
|
1650 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
50
|
1651 conf->upstream.temp_file_write_size = 2 * size;
|
78
|
1652 } else {
|
|
1653 conf->upstream.temp_file_write_size =
|
|
1654 conf->upstream.temp_file_write_size_conf;
|
|
1655 }
|
50
|
1656
|
78
|
1657 if (conf->upstream.temp_file_write_size < size) {
|
50
|
1658 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1659 "\"fastcgi_temp_file_write_size\" must be equal or bigger than "
|
|
1660 "maximum of the value of \"fastcgi_header_buffer_size\" and "
|
|
1661 "one of the \"fastcgi_buffers\"");
|
|
1662
|
|
1663 return NGX_CONF_ERROR;
|
|
1664 }
|
|
1665
|
|
1666
|
78
|
1667 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
1668 prev->upstream.max_temp_file_size_conf,
|
50
|
1669 NGX_CONF_UNSET_SIZE);
|
|
1670
|
78
|
1671 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
50
|
1672 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
78
|
1673 } else {
|
|
1674 conf->upstream.max_temp_file_size =
|
|
1675 conf->upstream.max_temp_file_size_conf;
|
|
1676 }
|
50
|
1677
|
78
|
1678 if (conf->upstream.max_temp_file_size != 0
|
|
1679 && conf->upstream.max_temp_file_size < size)
|
50
|
1680 {
|
|
1681 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1682 "\"fastcgi_max_temp_file_size\" must be equal to zero to disable "
|
|
1683 "the temporary files usage or must be equal or bigger than "
|
|
1684 "maximum of the value of \"fastcgi_header_buffer_size\" and "
|
|
1685 "one of the \"fastcgi_buffers\"");
|
|
1686
|
|
1687 return NGX_CONF_ERROR;
|
|
1688 }
|
|
1689
|
|
1690
|
|
1691 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
1692 prev->upstream.next_upstream,
|
|
1693 (NGX_CONF_BITMASK_SET
|
|
1694 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
1695 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
1696
|
212
|
1697 ngx_conf_merge_uint_value(conf->upstream.max_fails,
|
110
|
1698 prev->upstream.max_fails, 1);
|
|
1699
|
|
1700 ngx_conf_merge_sec_value(conf->upstream.fail_timeout,
|
|
1701 prev->upstream.fail_timeout, 10);
|
|
1702
|
212
|
1703 if (conf->upstream_peers) {
|
|
1704 peer = conf->upstream_peers->peers->peer;
|
200
|
1705 for (i = 0; i < conf->upstream_peers->peers->number; i++) {
|
212
|
1706 ngx_conf_init_uint_value(peer[i].weight, 1);
|
|
1707 peer[i].current_weight = peer[i].weight;
|
|
1708 ngx_conf_init_uint_value(peer[i].max_fails,
|
|
1709 conf->upstream.max_fails);
|
|
1710 ngx_conf_init_value(peer[i].fail_timeout,
|
|
1711 conf->upstream.fail_timeout);
|
110
|
1712 }
|
212
|
1713
|
110
|
1714 }
|
|
1715
|
50
|
1716 ngx_conf_merge_path_value(conf->upstream.temp_path,
|
|
1717 prev->upstream.temp_path,
|
|
1718 NGX_HTTP_FASTCGI_TEMP_PATH, 1, 2, 0,
|
|
1719 ngx_garbage_collector_temp_handler, cf);
|
|
1720
|
58
|
1721 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
1722 prev->upstream.pass_request_headers, 1);
|
|
1723 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
1724 prev->upstream.pass_request_body, 1);
|
|
1725
|
206
|
1726 ngx_conf_merge_value(conf->upstream.intercept_errors,
|
|
1727 prev->upstream.intercept_errors, 0);
|
58
|
1728
|
56
|
1729
|
50
|
1730 ngx_conf_merge_str_value(conf->index, prev->index, "");
|
|
1731
|
198
|
1732 if (conf->upstream.hide_headers == NULL
|
|
1733 && conf->upstream.pass_headers == NULL)
|
|
1734 {
|
|
1735 conf->upstream.hide_headers = prev->upstream.hide_headers;
|
|
1736 conf->upstream.pass_headers = prev->upstream.pass_headers;
|
|
1737 conf->upstream.hide_headers_hash = prev->upstream.hide_headers_hash;
|
|
1738
|
|
1739 if (conf->upstream.hide_headers_hash.buckets) {
|
|
1740 goto peers;
|
|
1741 }
|
|
1742
|
|
1743 } else {
|
|
1744 if (conf->upstream.hide_headers == NULL) {
|
|
1745 conf->upstream.hide_headers = prev->upstream.hide_headers;
|
|
1746 }
|
|
1747
|
|
1748 if (conf->upstream.pass_headers == NULL) {
|
|
1749 conf->upstream.pass_headers = prev->upstream.pass_headers;
|
|
1750 }
|
|
1751 }
|
|
1752
|
|
1753 if (ngx_array_init(&hide_headers, cf->temp_pool, 4, sizeof(ngx_hash_key_t))
|
|
1754 != NGX_OK)
|
|
1755 {
|
|
1756 return NGX_CONF_ERROR;
|
|
1757 }
|
|
1758
|
|
1759 for (header = ngx_http_fastcgi_hide_headers; header->len; header++) {
|
|
1760 hk = ngx_array_push(&hide_headers);
|
|
1761 if (hk == NULL) {
|
|
1762 return NGX_CONF_ERROR;
|
|
1763 }
|
|
1764
|
|
1765 hk->key = *header;
|
|
1766 hk->key_hash = ngx_hash_key_lc(header->data, header->len);
|
|
1767 hk->value = (void *) 1;
|
|
1768 }
|
|
1769
|
|
1770 if (conf->upstream.hide_headers) {
|
|
1771
|
|
1772 header = conf->upstream.hide_headers->elts;
|
|
1773
|
|
1774 for (i = 0; i < conf->upstream.hide_headers->nelts; i++) {
|
|
1775
|
|
1776 hk = hide_headers.elts;
|
|
1777
|
|
1778 for (j = 0; j < hide_headers.nelts; j++) {
|
|
1779 if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) {
|
|
1780 goto exist;
|
|
1781 }
|
|
1782 }
|
|
1783
|
|
1784 hk = ngx_array_push(&hide_headers);
|
|
1785 if (hk == NULL) {
|
|
1786 return NGX_CONF_ERROR;
|
|
1787 }
|
|
1788
|
|
1789 hk->key = header[i];
|
|
1790 hk->key_hash = ngx_hash_key_lc(header[i].data, header[i].len);
|
|
1791 hk->value = (void *) 1;
|
|
1792
|
|
1793 exist:
|
|
1794
|
|
1795 continue;
|
|
1796 }
|
|
1797 }
|
|
1798
|
|
1799 if (conf->upstream.pass_headers) {
|
|
1800
|
|
1801 hk = hide_headers.elts;
|
|
1802 header = conf->upstream.pass_headers->elts;
|
|
1803
|
|
1804 for (i = 0; i < conf->upstream.pass_headers->nelts; i++) {
|
|
1805
|
|
1806 for (j = 0; j < hide_headers.nelts; j++) {
|
|
1807
|
|
1808 if (hk[j].key.data == NULL) {
|
|
1809 continue;
|
|
1810 }
|
|
1811
|
|
1812 if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) {
|
|
1813 hk[j].key.data = NULL;
|
|
1814 break;
|
|
1815 }
|
|
1816 }
|
|
1817 }
|
|
1818 }
|
|
1819
|
|
1820 hash.hash = &conf->upstream.hide_headers_hash;
|
|
1821 hash.key = ngx_hash_key_lc;
|
|
1822 hash.max_size = 512;
|
|
1823 hash.bucket_size = ngx_cacheline_size;
|
|
1824 hash.name = "fastcgi_hide_headers_hash";
|
|
1825 hash.pool = cf->pool;
|
|
1826 hash.temp_pool = NULL;
|
|
1827
|
|
1828 if (ngx_hash_init(&hash, hide_headers.elts, hide_headers.nelts) != NGX_OK) {
|
|
1829 return NGX_CONF_ERROR;
|
|
1830 }
|
|
1831
|
|
1832 peers:
|
|
1833
|
200
|
1834 if (conf->upstream_peers == NULL) {
|
|
1835 conf->upstream_peers = prev->upstream_peers;
|
178
|
1836 conf->upstream.schema = prev->upstream.schema;
|
56
|
1837 }
|
|
1838
|
58
|
1839 if (conf->params_source == NULL) {
|
122
|
1840 conf->flushes = prev->flushes;
|
58
|
1841 conf->params_len = prev->params_len;
|
|
1842 conf->params = prev->params;
|
122
|
1843 conf->params_source = prev->params_source;
|
58
|
1844
|
|
1845 if (conf->params_source == NULL) {
|
|
1846 return NGX_CONF_OK;
|
|
1847 }
|
|
1848 }
|
|
1849
|
|
1850 conf->params_len = ngx_array_create(cf->pool, 64, 1);
|
|
1851 if (conf->params_len == NULL) {
|
|
1852 return NGX_CONF_ERROR;
|
|
1853 }
|
122
|
1854
|
58
|
1855 conf->params = ngx_array_create(cf->pool, 512, 1);
|
|
1856 if (conf->params == NULL) {
|
|
1857 return NGX_CONF_ERROR;
|
|
1858 }
|
|
1859
|
|
1860 src = conf->params_source->elts;
|
|
1861 for (i = 0; i < conf->params_source->nelts; i++) {
|
|
1862
|
|
1863 if (ngx_http_script_variables_count(&src[i].value) == 0) {
|
|
1864 copy = ngx_array_push_n(conf->params_len,
|
|
1865 sizeof(ngx_http_script_copy_code_t));
|
|
1866 if (copy == NULL) {
|
|
1867 return NGX_CONF_ERROR;
|
|
1868 }
|
|
1869
|
|
1870 copy->code = (ngx_http_script_code_pt)
|
|
1871 ngx_http_script_copy_len_code;
|
|
1872 copy->len = src[i].key.len;
|
|
1873
|
|
1874
|
|
1875 copy = ngx_array_push_n(conf->params_len,
|
|
1876 sizeof(ngx_http_script_copy_code_t));
|
|
1877 if (copy == NULL) {
|
|
1878 return NGX_CONF_ERROR;
|
|
1879 }
|
|
1880
|
|
1881 copy->code = (ngx_http_script_code_pt)
|
|
1882 ngx_http_script_copy_len_code;
|
|
1883 copy->len = src[i].value.len;
|
|
1884
|
|
1885
|
|
1886 size = (sizeof(ngx_http_script_copy_code_t)
|
|
1887 + src[i].key.len + src[i].value.len
|
|
1888 + sizeof(uintptr_t) - 1)
|
|
1889 & ~(sizeof(uintptr_t) - 1);
|
|
1890
|
|
1891 copy = ngx_array_push_n(conf->params, size);
|
|
1892 if (copy == NULL) {
|
|
1893 return NGX_CONF_ERROR;
|
|
1894 }
|
126
|
1895
|
58
|
1896 copy->code = ngx_http_script_copy_code;
|
|
1897 copy->len = src[i].key.len + src[i].value.len;
|
|
1898
|
|
1899 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
1900
|
|
1901 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
1902 ngx_memcpy(p, src[i].value.data, src[i].value.len);
|
|
1903
|
|
1904 } else {
|
|
1905 copy = ngx_array_push_n(conf->params_len,
|
|
1906 sizeof(ngx_http_script_copy_code_t));
|
|
1907 if (copy == NULL) {
|
|
1908 return NGX_CONF_ERROR;
|
|
1909 }
|
|
1910
|
|
1911 copy->code = (ngx_http_script_code_pt)
|
|
1912 ngx_http_script_copy_len_code;
|
|
1913 copy->len = src[i].key.len;
|
|
1914
|
|
1915
|
|
1916 size = (sizeof(ngx_http_script_copy_code_t)
|
|
1917 + src[i].key.len + sizeof(uintptr_t) - 1)
|
|
1918 & ~(sizeof(uintptr_t) - 1);
|
|
1919
|
|
1920 copy = ngx_array_push_n(conf->params, size);
|
|
1921 if (copy == NULL) {
|
|
1922 return NGX_CONF_ERROR;
|
|
1923 }
|
126
|
1924
|
58
|
1925 copy->code = ngx_http_script_copy_code;
|
|
1926 copy->len = src[i].key.len;
|
|
1927
|
|
1928 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
1929 ngx_memcpy(p, src[i].key.data, src[i].key.len);
|
|
1930
|
|
1931
|
|
1932 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
1933
|
|
1934 sc.cf = cf;
|
|
1935 sc.source = &src[i].value;
|
122
|
1936 sc.flushes = &conf->flushes;
|
58
|
1937 sc.lengths = &conf->params_len;
|
|
1938 sc.values = &conf->params;
|
|
1939
|
|
1940 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
1941 return NGX_CONF_ERROR;
|
|
1942 }
|
|
1943 }
|
|
1944
|
|
1945 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t));
|
|
1946 if (code == NULL) {
|
|
1947 return NGX_CONF_ERROR;
|
|
1948 }
|
|
1949
|
|
1950 *code = (uintptr_t) NULL;
|
|
1951
|
|
1952
|
|
1953 code = ngx_array_push_n(conf->params, sizeof(uintptr_t));
|
|
1954 if (code == NULL) {
|
|
1955 return NGX_CONF_ERROR;
|
|
1956 }
|
|
1957
|
|
1958 *code = (uintptr_t) NULL;
|
|
1959 }
|
|
1960
|
|
1961 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t));
|
|
1962 if (code == NULL) {
|
|
1963 return NGX_CONF_ERROR;
|
|
1964 }
|
|
1965
|
|
1966 *code = (uintptr_t) NULL;
|
|
1967
|
50
|
1968 return NGX_CONF_OK;
|
|
1969 }
|
58
|
1970
|
|
1971
|
122
|
1972 static ngx_int_t
|
|
1973 ngx_http_fastcgi_script_name_variable(ngx_http_request_t *r,
|
|
1974 ngx_http_variable_value_t *v, uintptr_t data)
|
58
|
1975 {
|
|
1976 u_char *p;
|
|
1977 ngx_http_fastcgi_loc_conf_t *flcf;
|
|
1978
|
126
|
1979 v->valid = 1;
|
122
|
1980 v->no_cachable = 0;
|
|
1981 v->not_found = 0;
|
58
|
1982
|
|
1983 flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module);
|
|
1984
|
|
1985 if (r->uri.data[r->uri.len - 1] != '/') {
|
122
|
1986 v->len = r->uri.len;
|
|
1987 v->data = r->uri.data;
|
|
1988 return NGX_OK;
|
58
|
1989 }
|
|
1990
|
122
|
1991 v->len = r->uri.len + flcf->index.len;
|
58
|
1992
|
122
|
1993 v->data = ngx_palloc(r->pool, v->len);
|
|
1994 if (v->data == NULL) {
|
|
1995 return NGX_ERROR;
|
58
|
1996 }
|
|
1997
|
122
|
1998 p = ngx_copy(v->data, r->uri.data, r->uri.len);
|
58
|
1999 ngx_memcpy(p, flcf->index.data, flcf->index.len);
|
|
2000
|
122
|
2001 return NGX_OK;
|
58
|
2002 }
|
|
2003
|
|
2004
|
|
2005 static char *
|
|
2006 ngx_http_fastcgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
2007 {
|
|
2008 ngx_http_fastcgi_loc_conf_t *lcf = conf;
|
|
2009
|
200
|
2010 ngx_url_t u;
|
58
|
2011 ngx_str_t *value;
|
|
2012 ngx_http_core_loc_conf_t *clcf;
|
|
2013
|
104
|
2014 if (lcf->upstream.schema.len) {
|
|
2015 return "is duplicate";
|
|
2016 }
|
|
2017
|
58
|
2018 value = cf->args->elts;
|
|
2019
|
200
|
2020 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
2021
|
|
2022 u.url = value[1];
|
|
2023 u.upstream = 1;
|
|
2024
|
|
2025 lcf->upstream_peers = ngx_http_upstream_add(cf, &u);
|
|
2026 if (lcf->upstream_peers == NULL) {
|
58
|
2027 return NGX_CONF_ERROR;
|
|
2028 }
|
|
2029
|
|
2030 lcf->upstream.schema.len = sizeof("fastcgi://") - 1;
|
|
2031 lcf->upstream.schema.data = (u_char *) "fastcgi://";
|
|
2032
|
|
2033 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
2034
|
|
2035 clcf->handler = ngx_http_fastcgi_handler;
|
|
2036
|
122
|
2037 lcf->upstream.location = clcf->name;
|
58
|
2038
|
|
2039 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
2040 clcf->auto_redirect = 1;
|
|
2041 }
|
|
2042
|
|
2043 return NGX_CONF_OK;
|
|
2044 }
|
|
2045
|
|
2046
|
|
2047 static char *
|
|
2048 ngx_http_fastcgi_lowat_check(ngx_conf_t *cf, void *post, void *data)
|
|
2049 {
|
|
2050 #if (NGX_FREEBSD)
|
|
2051 ssize_t *np = data;
|
|
2052
|
|
2053 if (*np >= ngx_freebsd_net_inet_tcp_sendspace) {
|
|
2054 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
2055 "\"fastcgi_send_lowat\" must be less than %d "
|
|
2056 "(sysctl net.inet.tcp.sendspace)",
|
|
2057 ngx_freebsd_net_inet_tcp_sendspace);
|
|
2058
|
|
2059 return NGX_CONF_ERROR;
|
|
2060 }
|
|
2061
|
|
2062 #elif !(NGX_HAVE_SO_SNDLOWAT)
|
|
2063 ssize_t *np = data;
|
|
2064
|
|
2065 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
2066 "\"fastcgi_send_lowat\" is not supported, ignored");
|
|
2067
|
|
2068 *np = 0;
|
|
2069
|
|
2070 #endif
|
|
2071
|
|
2072 return NGX_CONF_OK;
|
|
2073 }
|