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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214
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171 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF },
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172 { ngx_null_string, 0 }
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173 };
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174
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175
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176 static ngx_command_t ngx_http_fastcgi_commands[] = {
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177
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178 { ngx_string("fastcgi_pass"),
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178
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179 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1,
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180 ngx_http_fastcgi_pass,
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181 NGX_HTTP_LOC_CONF_OFFSET,
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182 0,
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183 NULL },
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184
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185 { ngx_string("fastcgi_index"),
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186 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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187 ngx_conf_set_str_slot,
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188 NGX_HTTP_LOC_CONF_OFFSET,
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189 offsetof(ngx_http_fastcgi_loc_conf_t, index),
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190 NULL },
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191
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178
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192 { ngx_string("fastcgi_ignore_client_abort"),
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193 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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194 ngx_conf_set_flag_slot,
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195 NGX_HTTP_LOC_CONF_OFFSET,
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196 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.ignore_client_abort),
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197 NULL },
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198
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199 { ngx_string("fastcgi_connect_timeout"),
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200 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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201 ngx_conf_set_msec_slot,
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202 NGX_HTTP_LOC_CONF_OFFSET,
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203 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.connect_timeout),
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204 NULL },
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205
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206 { ngx_string("fastcgi_send_timeout"),
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207 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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208 ngx_conf_set_msec_slot,
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209 NGX_HTTP_LOC_CONF_OFFSET,
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210 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.send_timeout),
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211 NULL },
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212
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213 { ngx_string("fastcgi_send_lowat"),
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214 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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215 ngx_conf_set_size_slot,
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216 NGX_HTTP_LOC_CONF_OFFSET,
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217 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.send_lowat),
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218 &ngx_http_fastcgi_lowat_post },
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219
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220 { ngx_string("fastcgi_buffer_size"),
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221 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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222 ngx_conf_set_size_slot,
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223 NGX_HTTP_LOC_CONF_OFFSET,
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224 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.buffer_size),
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225 NULL },
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226
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227 { ngx_string("fastcgi_header_buffer_size"),
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228 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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229 ngx_conf_set_size_slot,
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230 NGX_HTTP_LOC_CONF_OFFSET,
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231 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.buffer_size),
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232 &ngx_conf_deprecated_fastcgi_header_buffer_size },
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233
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234 { ngx_string("fastcgi_pass_request_headers"),
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235 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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236 ngx_conf_set_flag_slot,
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237 NGX_HTTP_LOC_CONF_OFFSET,
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238 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.pass_request_headers),
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239 NULL },
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240
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241 { ngx_string("fastcgi_pass_request_body"),
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242 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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243 ngx_conf_set_flag_slot,
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244 NGX_HTTP_LOC_CONF_OFFSET,
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245 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.pass_request_body),
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246 NULL },
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247
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206
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248 { ngx_string("fastcgi_intercept_errors"),
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249 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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250 ngx_conf_set_flag_slot,
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251 NGX_HTTP_LOC_CONF_OFFSET,
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252 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.intercept_errors),
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253 NULL },
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254
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255 { ngx_string("fastcgi_redirect_errors"),
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256 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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257 ngx_conf_set_flag_slot,
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258 NGX_HTTP_LOC_CONF_OFFSET,
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259 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.intercept_errors),
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260 &ngx_conf_deprecated_fastcgi_redirect_errors },
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261
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262 { ngx_string("fastcgi_read_timeout"),
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263 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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264 ngx_conf_set_msec_slot,
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265 NGX_HTTP_LOC_CONF_OFFSET,
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266 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.read_timeout),
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267 NULL },
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268
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269 { ngx_string("fastcgi_buffers"),
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270 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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271 ngx_conf_set_bufs_slot,
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272 NGX_HTTP_LOC_CONF_OFFSET,
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273 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.bufs),
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274 NULL },
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275
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276 { ngx_string("fastcgi_busy_buffers_size"),
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277 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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278 ngx_conf_set_size_slot,
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279 NGX_HTTP_LOC_CONF_OFFSET,
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280 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.busy_buffers_size_conf),
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281 NULL },
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282
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283 { ngx_string("fastcgi_temp_path"),
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284 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
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285 ngx_conf_set_path_slot,
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286 NGX_HTTP_LOC_CONF_OFFSET,
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287 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.temp_path),
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288 (void *) ngx_garbage_collector_temp_handler },
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289
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290 { ngx_string("fastcgi_max_temp_file_size"),
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291 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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292 ngx_conf_set_size_slot,
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293 NGX_HTTP_LOC_CONF_OFFSET,
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294 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.max_temp_file_size_conf),
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295 NULL },
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296
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297 { ngx_string("fastcgi_temp_file_write_size"),
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298 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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299 ngx_conf_set_size_slot,
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300 NGX_HTTP_LOC_CONF_OFFSET,
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301 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.temp_file_write_size_conf),
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302 NULL },
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303
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304 { ngx_string("fastcgi_next_upstream"),
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305 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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306 ngx_conf_set_bitmask_slot,
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307 NGX_HTTP_LOC_CONF_OFFSET,
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308 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.next_upstream),
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309 &ngx_http_fastcgi_next_upstream_masks },
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310
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110
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311 { ngx_string("fastcgi_upstream_max_fails"),
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312 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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313 ngx_conf_set_num_slot,
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314 NGX_HTTP_LOC_CONF_OFFSET,
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315 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.max_fails),
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316 NULL },
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317
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318 { ngx_string("fastcgi_upstream_fail_timeout"),
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319 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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320 ngx_conf_set_sec_slot,
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321 NGX_HTTP_LOC_CONF_OFFSET,
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322 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.fail_timeout),
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323 NULL },
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324
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58
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325 { ngx_string("fastcgi_param"),
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326 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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198
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327 ngx_conf_set_keyval_slot,
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328 NGX_HTTP_LOC_CONF_OFFSET,
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329 offsetof(ngx_http_fastcgi_loc_conf_t, params_source),
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330 NULL },
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331
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198
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332 { ngx_string("fastcgi_pass_header"),
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333 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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334 ngx_conf_set_str_array_slot,
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335 NGX_HTTP_LOC_CONF_OFFSET,
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336 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.pass_headers),
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337 NULL },
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338
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339 { ngx_string("fastcgi_hide_header"),
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340 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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341 ngx_conf_set_str_array_slot,
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342 NGX_HTTP_LOC_CONF_OFFSET,
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343 offsetof(ngx_http_fastcgi_loc_conf_t, upstream.hide_headers),
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344 NULL },
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345
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50
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346 ngx_null_command
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347 };
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348
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349
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216
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350 static ngx_http_module_t ngx_http_fastcgi_module_ctx = {
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58
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351 ngx_http_fastcgi_add_variables, /* preconfiguration */
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352 NULL, /* postconfiguration */
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353
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354 NULL, /* create main configuration */
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355 NULL, /* init main configuration */
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356
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357 NULL, /* create server configuration */
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358 NULL, /* merge server configuration */
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359
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360 ngx_http_fastcgi_create_loc_conf, /* create location configuration */
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361 ngx_http_fastcgi_merge_loc_conf /* merge location configuration */
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362 };
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363
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364
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365 ngx_module_t ngx_http_fastcgi_module = {
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58
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366 NGX_MODULE_V1,
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367 &ngx_http_fastcgi_module_ctx, /* module context */
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368 ngx_http_fastcgi_commands, /* module directives */
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369 NGX_HTTP_MODULE, /* module type */
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90
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370 NULL, /* init master */
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371 NULL, /* init module */
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90
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372 NULL, /* init process */
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373 NULL, /* init thread */
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374 NULL, /* exit thread */
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375 NULL, /* exit process */
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376 NULL, /* exit master */
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377 NGX_MODULE_V1_PADDING
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50
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378 };
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379
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380
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198
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381 static ngx_str_t ngx_http_fastcgi_hide_headers[] = {
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382 ngx_string("Status"),
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383 ngx_string("X-Accel-Expires"),
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384 ngx_string("X-Accel-Redirect"),
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385 ngx_string("X-Accel-Limit-Rate"),
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386 ngx_string("X-Accel-Buffer"),
|
|
387 ngx_null_string
|
|
388 };
|
|
389
|
|
390
|
50
|
391 static ngx_int_t
|
|
392 ngx_http_fastcgi_handler(ngx_http_request_t *r)
|
|
393 {
|
|
394 ngx_int_t rc;
|
|
395 ngx_http_upstream_t *u;
|
|
396 ngx_http_fastcgi_loc_conf_t *flcf;
|
|
397
|
|
398 flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module);
|
|
399
|
|
400 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t));
|
|
401 if (u == NULL) {
|
|
402 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
403 }
|
|
404
|
|
405 u->peer.log = r->connection->log;
|
|
406 u->peer.log_error = NGX_ERROR_ERR;
|
200
|
407 u->peer.peers = flcf->upstream_peers->peers;
|
|
408 u->peer.tries = flcf->upstream_peers->peers->number;
|
50
|
409 #if (NGX_THREADS)
|
|
410 u->peer.lock = &r->connection->lock;
|
|
411 #endif
|
|
412
|
|
413 u->output.tag = (ngx_buf_tag_t) &ngx_http_fastcgi_module;
|
|
414
|
|
415 u->conf = &flcf->upstream;
|
|
416
|
|
417 u->create_request = ngx_http_fastcgi_create_request;
|
|
418 u->reinit_request = ngx_http_fastcgi_reinit_request;
|
|
419 u->process_header = ngx_http_fastcgi_process_header;
|
|
420 u->abort_request = ngx_http_fastcgi_abort_request;
|
|
421 u->finalize_request = ngx_http_fastcgi_finalize_request;
|
|
422
|
198
|
423 u->buffering = 1;
|
|
424
|
130
|
425 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
|
|
426 if (u->pipe == NULL) {
|
|
427 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
428 }
|
|
429
|
|
430 u->pipe->input_filter = ngx_http_fastcgi_input_filter;
|
|
431 u->pipe->input_ctx = r;
|
50
|
432
|
|
433 r->upstream = u;
|
|
434
|
|
435 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
436
|
|
437 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
438 return rc;
|
|
439 }
|
|
440
|
|
441 return NGX_DONE;
|
|
442 }
|
|
443
|
|
444
|
|
445 static ngx_int_t
|
|
446 ngx_http_fastcgi_create_request(ngx_http_request_t *r)
|
|
447 {
|
58
|
448 off_t file_pos;
|
|
449 u_char ch, *pos;
|
|
450 size_t size, len, key_len, val_len, padding;
|
|
451 ngx_uint_t i, n, next;
|
|
452 ngx_buf_t *b;
|
|
453 ngx_chain_t *cl, *body;
|
|
454 ngx_list_part_t *part;
|
|
455 ngx_table_elt_t *header;
|
|
456 ngx_http_script_code_pt code;
|
|
457 ngx_http_script_engine_t e, le;
|
|
458 ngx_http_fastcgi_header_t *h;
|
|
459 ngx_http_fastcgi_loc_conf_t *flcf;
|
|
460 ngx_http_script_len_code_pt lcode;
|
50
|
461
|
58
|
462 len = 0;
|
50
|
463
|
|
464 flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module);
|
|
465
|
58
|
466 if (flcf->params_len) {
|
|
467 ngx_memzero(&le, sizeof(ngx_http_script_engine_t));
|
50
|
468
|
122
|
469 ngx_http_script_flush_no_cachable_variables(r, flcf->flushes);
|
|
470 le.flushed = 1;
|
|
471
|
58
|
472 le.ip = flcf->params_len->elts;
|
|
473 le.request = r;
|
50
|
474
|
58
|
475 while (*(uintptr_t *) le.ip) {
|
50
|
476
|
58
|
477 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
478 key_len = lcode(&le);
|
50
|
479
|
58
|
480 for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) {
|
|
481 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
482 }
|
|
483 le.ip += sizeof(uintptr_t);
|
50
|
484
|
86
|
485 len += 1 + key_len + ((val_len > 127) ? 4 : 1) + val_len;
|
50
|
486 }
|
|
487 }
|
|
488
|
58
|
489 if (flcf->upstream.pass_request_headers) {
|
50
|
490
|
58
|
491 part = &r->headers_in.headers.part;
|
|
492 header = part->elts;
|
|
493
|
|
494 for (i = 0; /* void */; i++) {
|
50
|
495
|
58
|
496 if (i >= part->nelts) {
|
|
497 if (part->next == NULL) {
|
|
498 break;
|
|
499 }
|
50
|
500
|
58
|
501 part = part->next;
|
|
502 header = part->elts;
|
|
503 i = 0;
|
50
|
504 }
|
|
505
|
58
|
506 len += ((sizeof("HTTP_") - 1 + header[i].key.len > 127) ? 4 : 1)
|
|
507 + ((header[i].value.len > 127) ? 4 : 1)
|
|
508 + sizeof("HTTP_") - 1 + header[i].key.len + header[i].value.len;
|
50
|
509 }
|
|
510 }
|
|
511
|
|
512
|
|
513 if (len > 65535) {
|
|
514 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
515 "fastcgi: the request record is too big");
|
|
516 return NGX_ERROR;
|
|
517 }
|
|
518
|
|
519
|
|
520 padding = 8 - len % 8;
|
|
521 padding = (padding == 8) ? 0 : padding;
|
|
522
|
|
523
|
|
524 size = sizeof(ngx_http_fastcgi_header_t)
|
|
525 + sizeof(ngx_http_fastcgi_begin_request_t)
|
|
526
|
|
527 + sizeof(ngx_http_fastcgi_header_t) /* NGX_HTTP_FASTCGI_PARAMS */
|
|
528 + len + padding
|
|
529 + sizeof(ngx_http_fastcgi_header_t) /* NGX_HTTP_FASTCGI_PARAMS */
|
|
530
|
|
531 + sizeof(ngx_http_fastcgi_header_t); /* NGX_HTTP_FASTCGI_STDIN */
|
|
532
|
|
533
|
|
534 b = ngx_create_temp_buf(r->pool, size);
|
|
535 if (b == NULL) {
|
|
536 return NGX_ERROR;
|
|
537 }
|
|
538
|
|
539 cl = ngx_alloc_chain_link(r->pool);
|
|
540 if (cl == NULL) {
|
|
541 return NGX_ERROR;
|
|
542 }
|
|
543
|
|
544 cl->buf = b;
|
|
545
|
58
|
546 ngx_memcpy(b->pos, &ngx_http_fastcgi_request_start,
|
|
547 sizeof(ngx_http_fastcgi_request_start_t));
|
50
|
548
|
|
549 h = (ngx_http_fastcgi_header_t *)
|
|
550 (b->pos + sizeof(ngx_http_fastcgi_header_t)
|
|
551 + sizeof(ngx_http_fastcgi_begin_request_t));
|
|
552
|
|
553 h->content_length_hi = (u_char) ((len >> 8) & 0xff);
|
|
554 h->content_length_lo = (u_char) (len & 0xff);
|
|
555 h->padding_length = (u_char) padding;
|
|
556 h->reserved = 0;
|
|
557
|
|
558 b->last = b->pos + sizeof(ngx_http_fastcgi_header_t)
|
|
559 + sizeof(ngx_http_fastcgi_begin_request_t)
|
|
560 + sizeof(ngx_http_fastcgi_header_t);
|
|
561
|
|
562
|
58
|
563 if (flcf->params_len) {
|
|
564 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
50
|
565
|
58
|
566 e.ip = flcf->params->elts;
|
|
567 e.pos = b->last;
|
|
568 e.request = r;
|
122
|
569 e.flushed = 1;
|
50
|
570
|
58
|
571 le.ip = flcf->params_len->elts;
|
50
|
572
|
58
|
573 while (*(uintptr_t *) le.ip) {
|
50
|
574
|
58
|
575 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
576 key_len = (u_char) lcode(&le);
|
50
|
577
|
58
|
578 for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) {
|
|
579 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
580 }
|
|
581 le.ip += sizeof(uintptr_t);
|
50
|
582
|
86
|
583 *e.pos++ = (u_char) key_len;
|
50
|
584
|
86
|
585 if (val_len > 127) {
|
|
586 *e.pos++ = (u_char) (((val_len >> 24) & 0x7f) | 0x80);
|
|
587 *e.pos++ = (u_char) ((val_len >> 16) & 0xff);
|
|
588 *e.pos++ = (u_char) ((val_len >> 8) & 0xff);
|
|
589 *e.pos++ = (u_char) (val_len & 0xff);
|
50
|
590
|
86
|
591 } else {
|
|
592 *e.pos++ = (u_char) val_len;
|
58
|
593 }
|
50
|
594
|
58
|
595 while (*(uintptr_t *) e.ip) {
|
|
596 code = *(ngx_http_script_code_pt *) e.ip;
|
|
597 code((ngx_http_script_engine_t *) &e);
|
|
598 }
|
|
599 e.ip += sizeof(uintptr_t);
|
50
|
600 }
|
|
601
|
58
|
602 b->last = e.pos;
|
50
|
603 }
|
|
604
|
|
605
|
58
|
606 if (flcf->upstream.pass_request_headers) {
|
50
|
607
|
58
|
608 part = &r->headers_in.headers.part;
|
|
609 header = part->elts;
|
50
|
610
|
58
|
611 for (i = 0; /* void */; i++) {
|
50
|
612
|
58
|
613 if (i >= part->nelts) {
|
|
614 if (part->next == NULL) {
|
126
|
615 break;
|
58
|
616 }
|
126
|
617
|
58
|
618 part = part->next;
|
|
619 header = part->elts;
|
|
620 i = 0;
|
|
621 }
|
50
|
622
|
58
|
623 len = sizeof("HTTP_") - 1 + header[i].key.len;
|
|
624 if (len > 127) {
|
|
625 *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
|
|
626 *b->last++ = (u_char) ((len >> 16) & 0xff);
|
|
627 *b->last++ = (u_char) ((len >> 8) & 0xff);
|
|
628 *b->last++ = (u_char) (len & 0xff);
|
126
|
629
|
58
|
630 } else {
|
|
631 *b->last++ = (u_char) len;
|
50
|
632 }
|
|
633
|
58
|
634 len = header[i].value.len;
|
|
635 if (len > 127) {
|
|
636 *b->last++ = (u_char) (((len >> 24) & 0x7f) | 0x80);
|
|
637 *b->last++ = (u_char) ((len >> 16) & 0xff);
|
|
638 *b->last++ = (u_char) ((len >> 8) & 0xff);
|
|
639 *b->last++ = (u_char) (len & 0xff);
|
50
|
640
|
58
|
641 } else {
|
|
642 *b->last++ = (u_char) len;
|
50
|
643 }
|
|
644
|
58
|
645 b->last = ngx_cpymem(b->last, "HTTP_", sizeof("HTTP_") - 1);
|
50
|
646
|
58
|
647 for (n = 0; n < header[i].key.len; n++) {
|
|
648 ch = header[i].key.data[n];
|
50
|
649
|
58
|
650 if (ch >= 'a' && ch <= 'z') {
|
|
651 ch &= ~0x20;
|
50
|
652
|
58
|
653 } else if (ch == '-') {
|
|
654 ch = '_';
|
|
655 }
|
50
|
656
|
58
|
657 *b->last++ = ch;
|
50
|
658 }
|
|
659
|
122
|
660 b->last = ngx_copy(b->last, header[i].value.data,
|
|
661 header[i].value.len);
|
50
|
662 }
|
|
663 }
|
|
664
|
|
665
|
|
666 if (padding) {
|
|
667 ngx_memzero(b->last, padding);
|
|
668 b->last += padding;
|
|
669 }
|
|
670
|
|
671
|
|
672 h = (ngx_http_fastcgi_header_t *) b->last;
|
|
673 b->last += sizeof(ngx_http_fastcgi_header_t);
|
|
674
|
|
675 h->version = 1;
|
|
676 h->type = NGX_HTTP_FASTCGI_PARAMS;
|
|
677 h->request_id_hi = 0;
|
|
678 h->request_id_lo = 1;
|
|
679 h->content_length_hi = 0;
|
|
680 h->content_length_lo = 0;
|
|
681 h->padding_length = 0;
|
|
682 h->reserved = 0;
|
|
683
|
|
684 h = (ngx_http_fastcgi_header_t *) b->last;
|
|
685 b->last += sizeof(ngx_http_fastcgi_header_t);
|
|
686
|
58
|
687 if (flcf->upstream.pass_request_body) {
|
|
688 body = r->upstream->request_bufs;
|
|
689 r->upstream->request_bufs = cl;
|
50
|
690
|
|
691 #if (NGX_SUPPRESS_WARN)
|
58
|
692 file_pos = 0;
|
|
693 pos = NULL;
|
50
|
694 #endif
|
|
695
|
58
|
696 while (body) {
|
50
|
697
|
58
|
698 if (body->buf->in_file) {
|
|
699 file_pos = body->buf->file_pos;
|
50
|
700
|
58
|
701 } else {
|
|
702 pos = body->buf->pos;
|
50
|
703 }
|
|
704
|
58
|
705 next = 0;
|
50
|
706
|
58
|
707 do {
|
|
708 b = ngx_alloc_buf(r->pool);
|
|
709 if (b == NULL) {
|
|
710 return NGX_ERROR;
|
50
|
711 }
|
|
712
|
58
|
713 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
714
|
|
715 if (body->buf->in_file) {
|
|
716 b->file_pos = file_pos;
|
|
717 file_pos += 32 * 1024;
|
50
|
718
|
58
|
719 if (file_pos > body->buf->file_last) {
|
|
720 file_pos = body->buf->file_last;
|
|
721 next = 1;
|
|
722 }
|
|
723
|
|
724 b->file_last = file_pos;
|
|
725 len = (ngx_uint_t) (file_pos - b->file_pos);
|
|
726
|
|
727 } else {
|
|
728 b->pos = pos;
|
|
729 pos += 32 * 1024;
|
50
|
730
|
58
|
731 if (pos > body->buf->last) {
|
|
732 pos = body->buf->last;
|
|
733 next = 1;
|
|
734 }
|
|
735
|
|
736 b->last = pos;
|
|
737 len = (ngx_uint_t) (pos - b->pos);
|
|
738 }
|
50
|
739
|
58
|
740 padding = 8 - len % 8;
|
|
741 padding = (padding == 8) ? 0 : padding;
|
50
|
742
|
58
|
743 h->version = 1;
|
|
744 h->type = NGX_HTTP_FASTCGI_STDIN;
|
|
745 h->request_id_hi = 0;
|
|
746 h->request_id_lo = 1;
|
|
747 h->content_length_hi = (u_char) ((len >> 8) & 0xff);
|
|
748 h->content_length_lo = (u_char) (len & 0xff);
|
|
749 h->padding_length = (u_char) padding;
|
|
750 h->reserved = 0;
|
50
|
751
|
58
|
752 cl->next = ngx_alloc_chain_link(r->pool);
|
|
753 if (cl->next == NULL) {
|
|
754 return NGX_ERROR;
|
|
755 }
|
50
|
756
|
58
|
757 cl = cl->next;
|
|
758 cl->buf = b;
|
|
759
|
|
760 b = ngx_create_temp_buf(r->pool,
|
|
761 sizeof(ngx_http_fastcgi_header_t)
|
|
762 + padding);
|
|
763 if (b == NULL) {
|
|
764 return NGX_ERROR;
|
|
765 }
|
50
|
766
|
58
|
767 if (padding) {
|
|
768 ngx_memzero(b->last, padding);
|
|
769 b->last += padding;
|
|
770 }
|
|
771
|
|
772 h = (ngx_http_fastcgi_header_t *) b->last;
|
|
773 b->last += sizeof(ngx_http_fastcgi_header_t);
|
50
|
774
|
58
|
775 cl->next = ngx_alloc_chain_link(r->pool);
|
|
776 if (cl->next == NULL) {
|
|
777 return NGX_ERROR;
|
|
778 }
|
|
779
|
|
780 cl = cl->next;
|
|
781 cl->buf = b;
|
50
|
782
|
58
|
783 } while (!next);
|
50
|
784
|
58
|
785 body = body->next;
|
|
786 }
|
50
|
787
|
58
|
788 } else {
|
|
789 r->upstream->request_bufs = cl;
|
50
|
790 }
|
|
791
|
|
792 h->version = 1;
|
|
793 h->type = NGX_HTTP_FASTCGI_STDIN;
|
|
794 h->request_id_hi = 0;
|
|
795 h->request_id_lo = 1;
|
|
796 h->content_length_hi = 0;
|
|
797 h->content_length_lo = 0;
|
|
798 h->padding_length = 0;
|
|
799 h->reserved = 0;
|
|
800
|
|
801 cl->next = NULL;
|
|
802
|
|
803 return NGX_OK;
|
|
804 }
|
|
805
|
|
806
|
|
807 static ngx_int_t
|
|
808 ngx_http_fastcgi_reinit_request(ngx_http_request_t *r)
|
|
809 {
|
|
810 ngx_http_fastcgi_ctx_t *f;
|
|
811
|
|
812 f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module);
|
|
813
|
|
814 if (f == NULL) {
|
|
815 return NGX_OK;
|
|
816 }
|
|
817
|
|
818 f->state = ngx_http_fastcgi_st_version;
|
164
|
819 f->fastcgi_stdout = 0;
|
50
|
820
|
|
821 return NGX_OK;
|
|
822 }
|
|
823
|
|
824
|
56
|
825 static ngx_int_t
|
|
826 ngx_http_fastcgi_process_header(ngx_http_request_t *r)
|
50
|
827 {
|
58
|
828 u_char *start, *last;
|
|
829 ngx_str_t *status_line, line;
|
|
830 ngx_int_t rc, status;
|
198
|
831 ngx_uint_t i;
|
58
|
832 ngx_table_elt_t *h;
|
|
833 ngx_http_upstream_t *u;
|
|
834 ngx_http_fastcgi_ctx_t *f;
|
|
835 ngx_http_upstream_header_t *hh;
|
|
836 ngx_http_upstream_main_conf_t *umcf;
|
50
|
837
|
|
838 f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module);
|
|
839
|
58
|
840 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
841
|
50
|
842 if (f == NULL) {
|
|
843 f = ngx_pcalloc(r->pool, sizeof(ngx_http_fastcgi_ctx_t));
|
|
844 if (f == NULL) {
|
|
845 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
846 }
|
|
847
|
|
848 ngx_http_set_ctx(r, f, ngx_http_fastcgi_module);
|
|
849 }
|
|
850
|
|
851 u = r->upstream;
|
|
852
|
|
853 for ( ;; ) {
|
|
854
|
|
855 if (f->state < ngx_http_fastcgi_st_data) {
|
|
856
|
130
|
857 f->pos = u->buffer.pos;
|
|
858 f->last = u->buffer.last;
|
50
|
859
|
|
860 rc = ngx_http_fastcgi_process_record(r, f);
|
|
861
|
130
|
862 u->buffer.pos = f->pos;
|
|
863 u->buffer.last = f->last;
|
50
|
864
|
|
865 if (rc == NGX_AGAIN) {
|
|
866 return NGX_AGAIN;
|
|
867 }
|
|
868
|
|
869 if (rc == NGX_ERROR) {
|
|
870 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
871 }
|
|
872
|
|
873 if (f->type != NGX_HTTP_FASTCGI_STDOUT
|
|
874 && f->type != NGX_HTTP_FASTCGI_STDERR)
|
|
875 {
|
|
876 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
877 "upstream sent unexpected FastCGI record: %d",
|
|
878 f->type);
|
|
879
|
|
880 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
881 }
|
|
882
|
|
883 if (f->type == NGX_HTTP_FASTCGI_STDOUT && f->length == 0) {
|
|
884 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
885 "upstream closed prematurely FastCGI stdout");
|
|
886
|
|
887 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
888 }
|
|
889 }
|
|
890
|
|
891 if (f->state == ngx_http_fastcgi_st_padding) {
|
|
892
|
130
|
893 if (u->buffer.pos + f->padding < u->buffer.last) {
|
50
|
894 f->state = ngx_http_fastcgi_st_version;
|
130
|
895 u->buffer.pos += f->padding;
|
50
|
896
|
|
897 continue;
|
|
898 }
|
|
899
|
130
|
900 if (u->buffer.pos + f->padding == u->buffer.last) {
|
50
|
901 f->state = ngx_http_fastcgi_st_version;
|
130
|
902 u->buffer.pos = u->buffer.last;
|
50
|
903
|
|
904 return NGX_AGAIN;
|
|
905 }
|
|
906
|
130
|
907 f->padding -= u->buffer.last - u->buffer.pos;
|
|
908 u->buffer.pos = u->buffer.last;
|
50
|
909
|
|
910 return NGX_AGAIN;
|
|
911 }
|
|
912
|
|
913
|
|
914 /* f->state == ngx_http_fastcgi_st_data */
|
|
915
|
|
916 if (f->type == NGX_HTTP_FASTCGI_STDERR) {
|
|
917
|
|
918 if (f->length) {
|
130
|
919 line.data = u->buffer.pos;
|
50
|
920
|
130
|
921 if (u->buffer.pos + f->length <= u->buffer.last) {
|
50
|
922 line.len = f->length;
|
130
|
923 u->buffer.pos += f->length;
|
50
|
924 f->length = 0;
|
|
925 f->state = ngx_http_fastcgi_st_padding;
|
|
926
|
126
|
927 } else {
|
130
|
928 line.len = u->buffer.last - u->buffer.pos;
|
|
929 f->length -= u->buffer.last - u->buffer.pos;
|
|
930 u->buffer.pos = u->buffer.last;
|
50
|
931 }
|
|
932
|
|
933 while (line.data[line.len - 1] == LF
|
|
934 || line.data[line.len - 1] == CR
|
|
935 || line.data[line.len - 1] == '.'
|
|
936 || line.data[line.len - 1] == ' ')
|
|
937 {
|
|
938 line.len--;
|
|
939 }
|
|
940
|
|
941 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
942 "FastCGI sent in stderr: \"%V\"", &line);
|
|
943
|
130
|
944 if (u->buffer.pos == u->buffer.last) {
|
164
|
945
|
|
946 if (!f->fastcgi_stdout) {
|
|
947
|
|
948 /*
|
|
949 * the special handling the large number
|
|
950 * of the PHP warnings to not allocate memory
|
|
951 */
|
|
952
|
|
953 u->buffer.pos = u->buffer.start;
|
|
954 u->buffer.last = u->buffer.start;
|
|
955 }
|
|
956
|
50
|
957 return NGX_AGAIN;
|
|
958 }
|
|
959
|
|
960 } else {
|
|
961 f->state = ngx_http_fastcgi_st_version;
|
|
962 }
|
|
963
|
|
964 continue;
|
|
965 }
|
|
966
|
|
967
|
|
968 /* f->type == NGX_HTTP_FASTCGI_STDOUT */
|
|
969
|
164
|
970 f->fastcgi_stdout = 1;
|
|
971
|
130
|
972 start = u->buffer.pos;
|
50
|
973
|
130
|
974 if (u->buffer.pos + f->length < u->buffer.last) {
|
50
|
975
|
|
976 /*
|
130
|
977 * set u->buffer.last to the end of the FastCGI record data
|
50
|
978 * for ngx_http_parse_header_line()
|
|
979 */
|
|
980
|
130
|
981 last = u->buffer.last;
|
|
982 u->buffer.last = u->buffer.pos + f->length;
|
50
|
983
|
|
984 } else {
|
|
985 last = NULL;
|
|
986 }
|
|
987
|
|
988 for ( ;; ) {
|
|
989
|
130
|
990 rc = ngx_http_parse_header_line(r, &u->buffer);
|
50
|
991
|
|
992 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
993 "http fastcgi parser: %d", rc);
|
|
994
|
|
995 if (rc == NGX_AGAIN) {
|
|
996 break;
|
|
997 }
|
|
998
|
|
999 if (rc == NGX_OK) {
|
|
1000
|
|
1001 /* a header line has been parsed successfully */
|
|
1002
|
58
|
1003 h = ngx_list_push(&u->headers_in.headers);
|
50
|
1004 if (h == NULL) {
|
|
1005 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
1006 }
|
|
1007
|
58
|
1008 h->hash = r->header_hash;
|
|
1009
|
50
|
1010 h->key.len = r->header_name_end - r->header_name_start;
|
|
1011 h->value.len = r->header_end - r->header_start;
|
|
1012
|
|
1013 h->key.data = ngx_palloc(r->pool,
|
198
|
1014 h->key.len + 1 + h->value.len + 1 + h->key.len);
|
50
|
1015 if (h->key.data == NULL) {
|
|
1016 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
1017 }
|
|
1018
|
|
1019 h->value.data = h->key.data + h->key.len + 1;
|
198
|
1020 h->lowcase_key = h->key.data + h->key.len + 1
|
|
1021 + h->value.len + 1;
|
50
|
1022
|
|
1023 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
1024 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
1025
|
198
|
1026 if (h->key.len == r->lowcase_index) {
|
|
1027 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
1028
|
|
1029 } else {
|
|
1030 for (i = 0; i < h->key.len; i++) {
|
|
1031 h->lowcase_key[i] = ngx_tolower(h->lowcase_key[i]);
|
50
|
1032 }
|
|
1033 }
|
|
1034
|
198
|
1035 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash,
|
|
1036 h->lowcase_key, h->key.len);
|
|
1037
|
|
1038 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
1039 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
1040 }
|
|
1041
|
50
|
1042 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1043 "http fastcgi header: \"%V: %V\"",
|
|
1044 &h->key, &h->value);
|
|
1045
|
164
|
1046 if (u->buffer.pos < u->buffer.last) {
|
|
1047 continue;
|
|
1048 }
|
|
1049
|
|
1050 /* the end of the FastCGI record */
|
|
1051
|
|
1052 break;
|
50
|
1053 }
|
|
1054
|
|
1055 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
1056
|
|
1057 /* a whole header has been parsed successfully */
|
|
1058
|
|
1059 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1060 "http fastcgi header done");
|
|
1061
|
58
|
1062 if (u->headers_in.status) {
|
|
1063 status_line = &u->headers_in.status->value;
|
50
|
1064
|
|
1065 status = ngx_atoi(status_line->data, 3);
|
|
1066
|
|
1067 if (status == NGX_ERROR) {
|
|
1068 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
1069 }
|
|
1070
|
78
|
1071 u->headers_in.status_n = status;
|
|
1072 u->headers_in.status_line = *status_line;
|
50
|
1073
|
|
1074 } else {
|
78
|
1075 u->headers_in.status_n = 200;
|
|
1076 u->headers_in.status_line.len = sizeof("200 OK") - 1;
|
|
1077 u->headers_in.status_line.data = (u_char *) "200 OK";
|
50
|
1078 }
|
|
1079
|
78
|
1080 u->state->status = u->headers_in.status_n;
|
50
|
1081 #if 0
|
|
1082 if (u->cachable) {
|
|
1083 u->cachable = ngx_http_upstream_is_cachable(r);
|
|
1084 }
|
|
1085 #endif
|
|
1086
|
|
1087 break;
|
|
1088 }
|
|
1089
|
|
1090 /* there was error while a header line parsing */
|
|
1091
|
|
1092 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
168
|
1093 "upstream sent invalid header");
|
50
|
1094
|
|
1095 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
1096
|
|
1097 }
|
|
1098
|
|
1099 if (last) {
|
130
|
1100 u->buffer.last = last;
|
50
|
1101 }
|
|
1102
|
130
|
1103 f->length -= u->buffer.pos - start;
|
50
|
1104
|
|
1105 if (f->length == 0) {
|
|
1106 if (f->padding) {
|
|
1107 f->state = ngx_http_fastcgi_st_padding;
|
|
1108 } else {
|
|
1109 f->state = ngx_http_fastcgi_st_version;
|
|
1110 }
|
|
1111 }
|
|
1112
|
164
|
1113 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
1114 return NGX_OK;
|
|
1115 }
|
|
1116
|
|
1117 if (u->buffer.pos == u->buffer.last) {
|
|
1118 return NGX_AGAIN;
|
|
1119 }
|
|
1120
|
|
1121 if (rc == NGX_AGAIN) {
|
|
1122 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
1123 "upstream split a header line in FastCGI records");
|
|
1124
|
|
1125 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
1126 }
|
50
|
1127 }
|
|
1128 }
|
|
1129
|
|
1130
|
|
1131 static ngx_int_t
|
|
1132 ngx_http_fastcgi_input_filter(ngx_event_pipe_t *p, ngx_buf_t *buf)
|
|
1133 {
|
|
1134 ngx_int_t rc;
|
|
1135 ngx_buf_t *b, **prev;
|
|
1136 ngx_str_t line;
|
|
1137 ngx_chain_t *cl;
|
|
1138 ngx_http_request_t *r;
|
|
1139 ngx_http_fastcgi_ctx_t *f;
|
|
1140
|
|
1141 if (buf->pos == buf->last) {
|
|
1142 return NGX_OK;
|
|
1143 }
|
|
1144
|
|
1145 r = p->input_ctx;
|
|
1146 f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module);
|
|
1147
|
|
1148 b = NULL;
|
|
1149 prev = &buf->shadow;
|
|
1150
|
|
1151 f->pos = buf->pos;
|
|
1152 f->last = buf->last;
|
|
1153
|
|
1154 for ( ;; ) {
|
|
1155 if (f->state < ngx_http_fastcgi_st_data) {
|
|
1156
|
|
1157 rc = ngx_http_fastcgi_process_record(r, f);
|
|
1158
|
|
1159 if (rc == NGX_AGAIN) {
|
|
1160 break;
|
|
1161 }
|
|
1162
|
|
1163 if (rc == NGX_ERROR) {
|
|
1164 return NGX_ERROR;
|
|
1165 }
|
|
1166
|
|
1167 if (f->type == NGX_HTTP_FASTCGI_STDOUT && f->length == 0) {
|
|
1168 f->state = ngx_http_fastcgi_st_version;
|
|
1169 p->upstream_done = 1;
|
|
1170
|
|
1171 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, p->log, 0,
|
|
1172 "http fastcgi closed stdout");
|
|
1173
|
|
1174 continue;
|
|
1175 }
|
|
1176
|
|
1177 if (f->type == NGX_HTTP_FASTCGI_END_REQUEST) {
|
|
1178 f->state = ngx_http_fastcgi_st_version;
|
|
1179 p->upstream_done = 1;
|
|
1180
|
|
1181 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, p->log, 0,
|
|
1182 "http fastcgi sent end request");
|
|
1183
|
|
1184 break;
|
|
1185 }
|
|
1186 }
|
|
1187
|
|
1188
|
|
1189 if (f->state == ngx_http_fastcgi_st_padding) {
|
|
1190
|
|
1191 if (f->pos + f->padding < f->last) {
|
|
1192 f->state = ngx_http_fastcgi_st_version;
|
|
1193 f->pos += f->padding;
|
|
1194
|
|
1195 continue;
|
|
1196 }
|
|
1197
|
|
1198 if (f->pos + f->padding == f->last) {
|
|
1199 f->state = ngx_http_fastcgi_st_version;
|
|
1200
|
|
1201 break;
|
|
1202 }
|
|
1203
|
|
1204 f->padding -= f->last - f->pos;
|
|
1205
|
|
1206 break;
|
|
1207 }
|
|
1208
|
|
1209
|
|
1210 /* f->state == ngx_http_fastcgi_st_data */
|
|
1211
|
|
1212 if (f->type == NGX_HTTP_FASTCGI_STDERR) {
|
|
1213
|
|
1214 if (f->length) {
|
188
|
1215
|
|
1216 if (f->pos == f->last) {
|
|
1217 break;
|
|
1218 }
|
|
1219
|
50
|
1220 line.data = f->pos;
|
|
1221
|
|
1222 if (f->pos + f->length <= f->last) {
|
|
1223 line.len = f->length;
|
|
1224 f->pos += f->length;
|
|
1225 f->length = 0;
|
|
1226 f->state = ngx_http_fastcgi_st_padding;
|
|
1227
|
126
|
1228 } else {
|
50
|
1229 line.len = f->last - f->pos;
|
|
1230 f->length -= f->last - f->pos;
|
|
1231 f->pos = f->last;
|
|
1232 }
|
|
1233
|
|
1234 while (line.data[line.len - 1] == LF
|
|
1235 || line.data[line.len - 1] == CR
|
|
1236 || line.data[line.len - 1] == '.'
|
|
1237 || line.data[line.len - 1] == ' ')
|
|
1238 {
|
|
1239 line.len--;
|
|
1240 }
|
|
1241
|
|
1242 ngx_log_error(NGX_LOG_ERR, p->log, 0,
|
|
1243 "FastCGI sent in stderr: \"%V\"", &line);
|
|
1244
|
|
1245 if (f->pos == f->last) {
|
|
1246 break;
|
|
1247 }
|
|
1248
|
|
1249 } else {
|
|
1250 f->state = ngx_http_fastcgi_st_version;
|
|
1251 }
|
|
1252
|
|
1253 continue;
|
|
1254 }
|
|
1255
|
|
1256
|
|
1257 /* f->type == NGX_HTTP_FASTCGI_STDOUT */
|
|
1258
|
188
|
1259 if (f->pos == f->last) {
|
|
1260 break;
|
|
1261 }
|
|
1262
|
50
|
1263 if (p->free) {
|
|
1264 b = p->free->buf;
|
|
1265 p->free = p->free->next;
|
|
1266
|
|
1267 } else {
|
|
1268 b = ngx_alloc_buf(p->pool);
|
|
1269 if (b == NULL) {
|
|
1270 return NGX_ERROR;
|
|
1271 }
|
|
1272 }
|
|
1273
|
|
1274 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
1275
|
|
1276 b->pos = f->pos;
|
|
1277 b->start = buf->start;
|
|
1278 b->end = buf->end;
|
|
1279 b->tag = p->tag;
|
|
1280 b->temporary = 1;
|
|
1281 b->recycled = 1;
|
|
1282
|
|
1283 *prev = b;
|
|
1284 prev = &b->shadow;
|
|
1285
|
|
1286 cl = ngx_alloc_chain_link(p->pool);
|
|
1287 if (cl == NULL) {
|
|
1288 return NGX_ERROR;
|
|
1289 }
|
|
1290
|
|
1291 cl->buf = b;
|
|
1292 cl->next = NULL;
|
|
1293
|
|
1294 if (p->in) {
|
|
1295 *p->last_in = cl;
|
|
1296 } else {
|
|
1297 p->in = cl;
|
|
1298 }
|
|
1299 p->last_in = &cl->next;
|
|
1300
|
|
1301
|
|
1302 /* STUB */ b->num = buf->num;
|
|
1303
|
|
1304 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, p->log, 0, "input buf #%d", b->num);
|
|
1305
|
|
1306
|
|
1307 if (f->pos + f->length < f->last) {
|
|
1308
|
|
1309 if (f->padding) {
|
|
1310 f->state = ngx_http_fastcgi_st_padding;
|
|
1311 } else {
|
|
1312 f->state = ngx_http_fastcgi_st_version;
|
|
1313 }
|
|
1314
|
|
1315 f->pos += f->length;
|
|
1316 b->last = f->pos;
|
|
1317
|
|
1318 continue;
|
|
1319 }
|
|
1320
|
|
1321 if (f->pos + f->length == f->last) {
|
|
1322
|
|
1323 if (f->padding) {
|
|
1324 f->state = ngx_http_fastcgi_st_padding;
|
|
1325 } else {
|
|
1326 f->state = ngx_http_fastcgi_st_version;
|
|
1327 }
|
|
1328
|
|
1329 b->last = f->last;
|
|
1330
|
|
1331 break;
|
|
1332 }
|
|
1333
|
|
1334 f->length -= f->last - f->pos;
|
|
1335
|
|
1336 b->last = f->last;
|
|
1337
|
|
1338 break;
|
|
1339
|
|
1340 }
|
|
1341
|
|
1342 if (b) {
|
|
1343 b->shadow = buf;
|
|
1344 b->last_shadow = 1;
|
|
1345
|
|
1346 return NGX_OK;
|
|
1347 }
|
|
1348
|
|
1349 /* there is no data record in the buf, add it to free chain */
|
|
1350
|
|
1351 if (ngx_event_pipe_add_free_buf(p, buf) != NGX_OK) {
|
|
1352 return NGX_ERROR;
|
|
1353 }
|
|
1354
|
|
1355 return NGX_OK;
|
|
1356 }
|
|
1357
|
|
1358
|
|
1359 static ngx_int_t
|
|
1360 ngx_http_fastcgi_process_record(ngx_http_request_t *r,
|
|
1361 ngx_http_fastcgi_ctx_t *f)
|
|
1362 {
|
|
1363 u_char ch, *p;
|
|
1364 ngx_http_fastcgi_state_e state;
|
|
1365
|
|
1366 state = f->state;
|
|
1367
|
|
1368 for (p = f->pos; p < f->last; p++) {
|
|
1369
|
|
1370 ch = *p;
|
|
1371
|
|
1372 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1373 "http fastcgi record byte: %02Xd", ch);
|
|
1374
|
|
1375 switch (state) {
|
|
1376
|
|
1377 case ngx_http_fastcgi_st_version:
|
|
1378 if (ch != 1) {
|
|
1379 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
1380 "upstream sent unsupported FastCGI "
|
|
1381 "protocol version: %d", ch);
|
|
1382 return NGX_ERROR;
|
|
1383 }
|
|
1384 state = ngx_http_fastcgi_st_type;
|
|
1385 break;
|
|
1386
|
|
1387 case ngx_http_fastcgi_st_type:
|
|
1388 switch (ch) {
|
|
1389 case NGX_HTTP_FASTCGI_STDOUT:
|
|
1390 case NGX_HTTP_FASTCGI_STDERR:
|
|
1391 case NGX_HTTP_FASTCGI_END_REQUEST:
|
|
1392 f->type = (ngx_uint_t) ch;
|
|
1393 break;
|
|
1394 default:
|
|
1395 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
1396 "upstream sent invalid FastCGI "
|
|
1397 "record type: %d", ch);
|
|
1398 return NGX_ERROR;
|
|
1399
|
|
1400 }
|
|
1401 state = ngx_http_fastcgi_st_request_id_hi;
|
|
1402 break;
|
|
1403
|
|
1404 /* we support the single request per connection */
|
|
1405
|
|
1406 case ngx_http_fastcgi_st_request_id_hi:
|
|
1407 if (ch != 0) {
|
|
1408 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
1409 "upstream sent unexpected FastCGI "
|
|
1410 "request id high byte: %d", ch);
|
|
1411 return NGX_ERROR;
|
|
1412 }
|
|
1413 state = ngx_http_fastcgi_st_request_id_lo;
|
|
1414 break;
|
|
1415
|
|
1416 case ngx_http_fastcgi_st_request_id_lo:
|
|
1417 if (ch != 1) {
|
|
1418 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
1419 "upstream sent unexpected FastCGI "
|
|
1420 "request id low byte: %d", ch);
|
|
1421 return NGX_ERROR;
|
|
1422 }
|
|
1423 state = ngx_http_fastcgi_st_content_length_hi;
|
|
1424 break;
|
|
1425
|
|
1426 case ngx_http_fastcgi_st_content_length_hi:
|
|
1427 f->length = ch << 8;
|
|
1428 state = ngx_http_fastcgi_st_content_length_lo;
|
|
1429 break;
|
|
1430
|
|
1431 case ngx_http_fastcgi_st_content_length_lo:
|
|
1432 f->length |= (size_t) ch;
|
|
1433 state = ngx_http_fastcgi_st_padding_length;
|
|
1434 break;
|
|
1435
|
|
1436 case ngx_http_fastcgi_st_padding_length:
|
|
1437 f->padding = (size_t) ch;
|
|
1438 state = ngx_http_fastcgi_st_reserved;
|
|
1439 break;
|
|
1440
|
|
1441 case ngx_http_fastcgi_st_reserved:
|
|
1442 state = ngx_http_fastcgi_st_data;
|
|
1443
|
|
1444 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1445 "http fastcgi record length: %z", f->length);
|
|
1446
|
|
1447 f->pos = p + 1;
|
|
1448 f->state = state;
|
|
1449
|
|
1450 return NGX_OK;
|
|
1451
|
|
1452 /* suppress warning */
|
|
1453 case ngx_http_fastcgi_st_data:
|
|
1454 case ngx_http_fastcgi_st_padding:
|
|
1455 break;
|
|
1456 }
|
|
1457 }
|
|
1458
|
|
1459 f->state = state;
|
|
1460
|
|
1461 return NGX_AGAIN;
|
|
1462 }
|
|
1463
|
|
1464
|
|
1465 static void
|
|
1466 ngx_http_fastcgi_abort_request(ngx_http_request_t *r)
|
|
1467 {
|
|
1468 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1469 "abort http fastcgi request");
|
|
1470
|
|
1471 return;
|
|
1472 }
|
|
1473
|
|
1474
|
|
1475 static void
|
|
1476 ngx_http_fastcgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
1477 {
|
|
1478 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1479 "finalize http fastcgi request");
|
|
1480
|
|
1481 return;
|
|
1482 }
|
|
1483
|
|
1484
|
58
|
1485 static ngx_int_t
|
|
1486 ngx_http_fastcgi_add_variables(ngx_conf_t *cf)
|
50
|
1487 {
|
58
|
1488 ngx_http_variable_t *var;
|
50
|
1489
|
132
|
1490 var = ngx_http_add_variable(cf, &ngx_http_fastcgi_script_name,
|
204
|
1491 NGX_HTTP_VAR_NOHASH|NGX_HTTP_VAR_NOCACHABLE);
|
58
|
1492 if (var == NULL) {
|
|
1493 return NGX_ERROR;
|
50
|
1494 }
|
|
1495
|
186
|
1496 var->get_handler = ngx_http_fastcgi_script_name_variable;
|
50
|
1497
|
58
|
1498 return NGX_OK;
|
50
|
1499 }
|
|
1500
|
|
1501
|
|
1502 static void *
|
|
1503 ngx_http_fastcgi_create_loc_conf(ngx_conf_t *cf)
|
|
1504 {
|
|
1505 ngx_http_fastcgi_loc_conf_t *conf;
|
|
1506
|
|
1507 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_fastcgi_loc_conf_t));
|
|
1508 if (conf == NULL) {
|
|
1509 return NGX_CONF_ERROR;
|
|
1510 }
|
|
1511
|
|
1512 /*
|
|
1513 * set by ngx_pcalloc():
|
|
1514 *
|
|
1515 * conf->upstream.bufs.num = 0;
|
|
1516 * conf->upstream.next_upstream = 0;
|
|
1517 * conf->upstream.temp_path = NULL;
|
198
|
1518 * conf->upstream.hide_headers_hash = { NULL, 0 };
|
|
1519 * conf->upstream.hide_headers = NULL;
|
|
1520 * conf->upstream.pass_headers = NULL;
|
58
|
1521 * conf->upstream.schema = { 0, NULL };
|
|
1522 * conf->upstream.uri = { 0, NULL };
|
|
1523 * conf->upstream.location = NULL;
|
|
1524 *
|
50
|
1525 * conf->index.len = 0;
|
|
1526 * conf->index.data = NULL;
|
|
1527 */
|
|
1528
|
130
|
1529 conf->upstream.buffering = NGX_CONF_UNSET;
|
178
|
1530 conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
|
130
|
1531
|
50
|
1532 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
1533 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
56
|
1534 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
1535
|
50
|
1536 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
130
|
1537 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
78
|
1538
|
|
1539 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
126
|
1540 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
78
|
1541 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
58
|
1542
|
110
|
1543 conf->upstream.max_fails = NGX_CONF_UNSET_UINT;
|
|
1544 conf->upstream.fail_timeout = NGX_CONF_UNSET;
|
|
1545
|
58
|
1546 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
1547 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
1548
|
206
|
1549 conf->upstream.intercept_errors = NGX_CONF_UNSET;
|
50
|
1550
|
|
1551 /* "fastcgi_cyclic_temp_file" is disabled */
|
|
1552 conf->upstream.cyclic_temp_file = 0;
|
|
1553
|
|
1554 return conf;
|
|
1555 }
|
|
1556
|
|
1557
|
|
1558 static char *
|
|
1559 ngx_http_fastcgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
1560 {
|
|
1561 ngx_http_fastcgi_loc_conf_t *prev = parent;
|
|
1562 ngx_http_fastcgi_loc_conf_t *conf = child;
|
|
1563
|
58
|
1564 u_char *p;
|
|
1565 size_t size;
|
|
1566 uintptr_t *code;
|
198
|
1567 ngx_str_t *header;
|
|
1568 ngx_uint_t i, j;
|
212
|
1569 ngx_peer_t *peer;
|
198
|
1570 ngx_array_t hide_headers;
|
|
1571 ngx_keyval_t *src;
|
|
1572 ngx_hash_key_t *hk;
|
|
1573 ngx_hash_init_t hash;
|
58
|
1574 ngx_http_script_compile_t sc;
|
|
1575 ngx_http_script_copy_code_t *copy;
|
50
|
1576
|
130
|
1577 ngx_conf_merge_value(conf->upstream.buffering,
|
|
1578 prev->upstream.buffering, 1);
|
|
1579
|
178
|
1580 ngx_conf_merge_value(conf->upstream.ignore_client_abort,
|
|
1581 prev->upstream.ignore_client_abort, 0);
|
|
1582
|
50
|
1583 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
1584 prev->upstream.connect_timeout, 60000);
|
56
|
1585
|
50
|
1586 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
1587 prev->upstream.send_timeout, 60000);
|
|
1588
|
|
1589 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
1590 prev->upstream.read_timeout, 60000);
|
|
1591
|
56
|
1592 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
1593 prev->upstream.send_lowat, 0);
|
50
|
1594
|
130
|
1595 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
1596 prev->upstream.buffer_size,
|
50
|
1597 (size_t) ngx_pagesize);
|
|
1598
|
56
|
1599
|
50
|
1600 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
1601 8, ngx_pagesize);
|
|
1602
|
|
1603 if (conf->upstream.bufs.num < 2) {
|
|
1604 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1605 "there must be at least 2 \"fastcgi_buffers\"");
|
|
1606 return NGX_CONF_ERROR;
|
|
1607 }
|
|
1608
|
|
1609
|
130
|
1610 size = conf->upstream.buffer_size;
|
50
|
1611 if (size < conf->upstream.bufs.size) {
|
|
1612 size = conf->upstream.bufs.size;
|
|
1613 }
|
|
1614
|
|
1615
|
78
|
1616 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
1617 prev->upstream.busy_buffers_size_conf,
|
50
|
1618 NGX_CONF_UNSET_SIZE);
|
|
1619
|
78
|
1620 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
50
|
1621 conf->upstream.busy_buffers_size = 2 * size;
|
78
|
1622 } else {
|
|
1623 conf->upstream.busy_buffers_size =
|
|
1624 conf->upstream.busy_buffers_size_conf;
|
|
1625 }
|
50
|
1626
|
78
|
1627 if (conf->upstream.busy_buffers_size < size) {
|
50
|
1628 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1629 "\"fastcgi_busy_buffers_size\" must be equal or bigger than "
|
|
1630 "maximum of the value of \"fastcgi_header_buffer_size\" and "
|
|
1631 "one of the \"fastcgi_buffers\"");
|
|
1632
|
|
1633 return NGX_CONF_ERROR;
|
78
|
1634 }
|
50
|
1635
|
78
|
1636 if (conf->upstream.busy_buffers_size
|
|
1637 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
50
|
1638 {
|
|
1639 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1640 "\"fastcgi_busy_buffers_size\" must be less than "
|
|
1641 "the size of all \"fastcgi_buffers\" minus one buffer");
|
|
1642
|
|
1643 return NGX_CONF_ERROR;
|
|
1644 }
|
|
1645
|
|
1646
|
78
|
1647 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
1648 prev->upstream.temp_file_write_size_conf,
|
50
|
1649 NGX_CONF_UNSET_SIZE);
|
|
1650
|
78
|
1651 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
50
|
1652 conf->upstream.temp_file_write_size = 2 * size;
|
78
|
1653 } else {
|
|
1654 conf->upstream.temp_file_write_size =
|
|
1655 conf->upstream.temp_file_write_size_conf;
|
|
1656 }
|
50
|
1657
|
78
|
1658 if (conf->upstream.temp_file_write_size < size) {
|
50
|
1659 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1660 "\"fastcgi_temp_file_write_size\" must be equal or bigger than "
|
|
1661 "maximum of the value of \"fastcgi_header_buffer_size\" and "
|
|
1662 "one of the \"fastcgi_buffers\"");
|
|
1663
|
|
1664 return NGX_CONF_ERROR;
|
|
1665 }
|
|
1666
|
|
1667
|
78
|
1668 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
1669 prev->upstream.max_temp_file_size_conf,
|
50
|
1670 NGX_CONF_UNSET_SIZE);
|
|
1671
|
78
|
1672 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
50
|
1673 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
78
|
1674 } else {
|
|
1675 conf->upstream.max_temp_file_size =
|
|
1676 conf->upstream.max_temp_file_size_conf;
|
|
1677 }
|
50
|
1678
|
78
|
1679 if (conf->upstream.max_temp_file_size != 0
|
|
1680 && conf->upstream.max_temp_file_size < size)
|
50
|
1681 {
|
|
1682 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1683 "\"fastcgi_max_temp_file_size\" must be equal to zero to disable "
|
|
1684 "the temporary files usage or must be equal or bigger than "
|
|
1685 "maximum of the value of \"fastcgi_header_buffer_size\" and "
|
|
1686 "one of the \"fastcgi_buffers\"");
|
|
1687
|
|
1688 return NGX_CONF_ERROR;
|
|
1689 }
|
|
1690
|
|
1691
|
|
1692 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
1693 prev->upstream.next_upstream,
|
|
1694 (NGX_CONF_BITMASK_SET
|
|
1695 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
1696 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
1697
|
214
|
1698 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
1699 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
|
|
1700 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
1701 }
|
|
1702
|
212
|
1703 ngx_conf_merge_uint_value(conf->upstream.max_fails,
|
110
|
1704 prev->upstream.max_fails, 1);
|
|
1705
|
|
1706 ngx_conf_merge_sec_value(conf->upstream.fail_timeout,
|
|
1707 prev->upstream.fail_timeout, 10);
|
|
1708
|
212
|
1709 if (conf->upstream_peers) {
|
|
1710 peer = conf->upstream_peers->peers->peer;
|
200
|
1711 for (i = 0; i < conf->upstream_peers->peers->number; i++) {
|
212
|
1712 ngx_conf_init_uint_value(peer[i].weight, 1);
|
|
1713 peer[i].current_weight = peer[i].weight;
|
|
1714 ngx_conf_init_uint_value(peer[i].max_fails,
|
|
1715 conf->upstream.max_fails);
|
|
1716 ngx_conf_init_value(peer[i].fail_timeout,
|
|
1717 conf->upstream.fail_timeout);
|
110
|
1718 }
|
212
|
1719
|
110
|
1720 }
|
|
1721
|
50
|
1722 ngx_conf_merge_path_value(conf->upstream.temp_path,
|
|
1723 prev->upstream.temp_path,
|
|
1724 NGX_HTTP_FASTCGI_TEMP_PATH, 1, 2, 0,
|
|
1725 ngx_garbage_collector_temp_handler, cf);
|
|
1726
|
58
|
1727 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
1728 prev->upstream.pass_request_headers, 1);
|
|
1729 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
1730 prev->upstream.pass_request_body, 1);
|
|
1731
|
206
|
1732 ngx_conf_merge_value(conf->upstream.intercept_errors,
|
|
1733 prev->upstream.intercept_errors, 0);
|
58
|
1734
|
56
|
1735
|
50
|
1736 ngx_conf_merge_str_value(conf->index, prev->index, "");
|
|
1737
|
198
|
1738 if (conf->upstream.hide_headers == NULL
|
|
1739 && conf->upstream.pass_headers == NULL)
|
|
1740 {
|
|
1741 conf->upstream.hide_headers = prev->upstream.hide_headers;
|
|
1742 conf->upstream.pass_headers = prev->upstream.pass_headers;
|
|
1743 conf->upstream.hide_headers_hash = prev->upstream.hide_headers_hash;
|
|
1744
|
|
1745 if (conf->upstream.hide_headers_hash.buckets) {
|
|
1746 goto peers;
|
|
1747 }
|
|
1748
|
|
1749 } else {
|
|
1750 if (conf->upstream.hide_headers == NULL) {
|
|
1751 conf->upstream.hide_headers = prev->upstream.hide_headers;
|
|
1752 }
|
|
1753
|
|
1754 if (conf->upstream.pass_headers == NULL) {
|
|
1755 conf->upstream.pass_headers = prev->upstream.pass_headers;
|
|
1756 }
|
|
1757 }
|
|
1758
|
|
1759 if (ngx_array_init(&hide_headers, cf->temp_pool, 4, sizeof(ngx_hash_key_t))
|
|
1760 != NGX_OK)
|
|
1761 {
|
|
1762 return NGX_CONF_ERROR;
|
|
1763 }
|
|
1764
|
|
1765 for (header = ngx_http_fastcgi_hide_headers; header->len; header++) {
|
|
1766 hk = ngx_array_push(&hide_headers);
|
|
1767 if (hk == NULL) {
|
|
1768 return NGX_CONF_ERROR;
|
|
1769 }
|
|
1770
|
|
1771 hk->key = *header;
|
|
1772 hk->key_hash = ngx_hash_key_lc(header->data, header->len);
|
|
1773 hk->value = (void *) 1;
|
|
1774 }
|
|
1775
|
|
1776 if (conf->upstream.hide_headers) {
|
|
1777
|
|
1778 header = conf->upstream.hide_headers->elts;
|
|
1779
|
|
1780 for (i = 0; i < conf->upstream.hide_headers->nelts; i++) {
|
|
1781
|
|
1782 hk = hide_headers.elts;
|
|
1783
|
|
1784 for (j = 0; j < hide_headers.nelts; j++) {
|
|
1785 if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) {
|
|
1786 goto exist;
|
|
1787 }
|
|
1788 }
|
|
1789
|
|
1790 hk = ngx_array_push(&hide_headers);
|
|
1791 if (hk == NULL) {
|
|
1792 return NGX_CONF_ERROR;
|
|
1793 }
|
|
1794
|
|
1795 hk->key = header[i];
|
|
1796 hk->key_hash = ngx_hash_key_lc(header[i].data, header[i].len);
|
|
1797 hk->value = (void *) 1;
|
|
1798
|
|
1799 exist:
|
|
1800
|
|
1801 continue;
|
|
1802 }
|
|
1803 }
|
|
1804
|
|
1805 if (conf->upstream.pass_headers) {
|
|
1806
|
|
1807 hk = hide_headers.elts;
|
|
1808 header = conf->upstream.pass_headers->elts;
|
|
1809
|
|
1810 for (i = 0; i < conf->upstream.pass_headers->nelts; i++) {
|
|
1811
|
|
1812 for (j = 0; j < hide_headers.nelts; j++) {
|
|
1813
|
|
1814 if (hk[j].key.data == NULL) {
|
|
1815 continue;
|
|
1816 }
|
|
1817
|
|
1818 if (ngx_strcasecmp(header[i].data, hk[j].key.data) == 0) {
|
|
1819 hk[j].key.data = NULL;
|
|
1820 break;
|
|
1821 }
|
|
1822 }
|
|
1823 }
|
|
1824 }
|
|
1825
|
|
1826 hash.hash = &conf->upstream.hide_headers_hash;
|
|
1827 hash.key = ngx_hash_key_lc;
|
|
1828 hash.max_size = 512;
|
|
1829 hash.bucket_size = ngx_cacheline_size;
|
|
1830 hash.name = "fastcgi_hide_headers_hash";
|
|
1831 hash.pool = cf->pool;
|
|
1832 hash.temp_pool = NULL;
|
|
1833
|
|
1834 if (ngx_hash_init(&hash, hide_headers.elts, hide_headers.nelts) != NGX_OK) {
|
|
1835 return NGX_CONF_ERROR;
|
|
1836 }
|
|
1837
|
|
1838 peers:
|
|
1839
|
200
|
1840 if (conf->upstream_peers == NULL) {
|
|
1841 conf->upstream_peers = prev->upstream_peers;
|
178
|
1842 conf->upstream.schema = prev->upstream.schema;
|
56
|
1843 }
|
|
1844
|
58
|
1845 if (conf->params_source == NULL) {
|
122
|
1846 conf->flushes = prev->flushes;
|
58
|
1847 conf->params_len = prev->params_len;
|
|
1848 conf->params = prev->params;
|
122
|
1849 conf->params_source = prev->params_source;
|
58
|
1850
|
|
1851 if (conf->params_source == NULL) {
|
|
1852 return NGX_CONF_OK;
|
|
1853 }
|
|
1854 }
|
|
1855
|
|
1856 conf->params_len = ngx_array_create(cf->pool, 64, 1);
|
|
1857 if (conf->params_len == NULL) {
|
|
1858 return NGX_CONF_ERROR;
|
|
1859 }
|
122
|
1860
|
58
|
1861 conf->params = ngx_array_create(cf->pool, 512, 1);
|
|
1862 if (conf->params == NULL) {
|
|
1863 return NGX_CONF_ERROR;
|
|
1864 }
|
|
1865
|
|
1866 src = conf->params_source->elts;
|
|
1867 for (i = 0; i < conf->params_source->nelts; i++) {
|
|
1868
|
|
1869 if (ngx_http_script_variables_count(&src[i].value) == 0) {
|
|
1870 copy = ngx_array_push_n(conf->params_len,
|
|
1871 sizeof(ngx_http_script_copy_code_t));
|
|
1872 if (copy == NULL) {
|
|
1873 return NGX_CONF_ERROR;
|
|
1874 }
|
|
1875
|
|
1876 copy->code = (ngx_http_script_code_pt)
|
|
1877 ngx_http_script_copy_len_code;
|
|
1878 copy->len = src[i].key.len;
|
|
1879
|
|
1880
|
|
1881 copy = ngx_array_push_n(conf->params_len,
|
|
1882 sizeof(ngx_http_script_copy_code_t));
|
|
1883 if (copy == NULL) {
|
|
1884 return NGX_CONF_ERROR;
|
|
1885 }
|
|
1886
|
|
1887 copy->code = (ngx_http_script_code_pt)
|
|
1888 ngx_http_script_copy_len_code;
|
|
1889 copy->len = src[i].value.len;
|
|
1890
|
|
1891
|
|
1892 size = (sizeof(ngx_http_script_copy_code_t)
|
|
1893 + src[i].key.len + src[i].value.len
|
|
1894 + sizeof(uintptr_t) - 1)
|
|
1895 & ~(sizeof(uintptr_t) - 1);
|
|
1896
|
|
1897 copy = ngx_array_push_n(conf->params, size);
|
|
1898 if (copy == NULL) {
|
|
1899 return NGX_CONF_ERROR;
|
|
1900 }
|
126
|
1901
|
58
|
1902 copy->code = ngx_http_script_copy_code;
|
|
1903 copy->len = src[i].key.len + src[i].value.len;
|
|
1904
|
|
1905 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
1906
|
|
1907 p = ngx_cpymem(p, src[i].key.data, src[i].key.len);
|
|
1908 ngx_memcpy(p, src[i].value.data, src[i].value.len);
|
|
1909
|
|
1910 } else {
|
|
1911 copy = ngx_array_push_n(conf->params_len,
|
|
1912 sizeof(ngx_http_script_copy_code_t));
|
|
1913 if (copy == NULL) {
|
|
1914 return NGX_CONF_ERROR;
|
|
1915 }
|
|
1916
|
|
1917 copy->code = (ngx_http_script_code_pt)
|
|
1918 ngx_http_script_copy_len_code;
|
|
1919 copy->len = src[i].key.len;
|
|
1920
|
|
1921
|
|
1922 size = (sizeof(ngx_http_script_copy_code_t)
|
|
1923 + src[i].key.len + sizeof(uintptr_t) - 1)
|
|
1924 & ~(sizeof(uintptr_t) - 1);
|
|
1925
|
|
1926 copy = ngx_array_push_n(conf->params, size);
|
|
1927 if (copy == NULL) {
|
|
1928 return NGX_CONF_ERROR;
|
|
1929 }
|
126
|
1930
|
58
|
1931 copy->code = ngx_http_script_copy_code;
|
|
1932 copy->len = src[i].key.len;
|
|
1933
|
|
1934 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
1935 ngx_memcpy(p, src[i].key.data, src[i].key.len);
|
|
1936
|
|
1937
|
|
1938 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
1939
|
|
1940 sc.cf = cf;
|
|
1941 sc.source = &src[i].value;
|
122
|
1942 sc.flushes = &conf->flushes;
|
58
|
1943 sc.lengths = &conf->params_len;
|
|
1944 sc.values = &conf->params;
|
|
1945
|
|
1946 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
1947 return NGX_CONF_ERROR;
|
|
1948 }
|
|
1949 }
|
|
1950
|
|
1951 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t));
|
|
1952 if (code == NULL) {
|
|
1953 return NGX_CONF_ERROR;
|
|
1954 }
|
|
1955
|
|
1956 *code = (uintptr_t) NULL;
|
|
1957
|
|
1958
|
|
1959 code = ngx_array_push_n(conf->params, sizeof(uintptr_t));
|
|
1960 if (code == NULL) {
|
|
1961 return NGX_CONF_ERROR;
|
|
1962 }
|
|
1963
|
|
1964 *code = (uintptr_t) NULL;
|
|
1965 }
|
|
1966
|
|
1967 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t));
|
|
1968 if (code == NULL) {
|
|
1969 return NGX_CONF_ERROR;
|
|
1970 }
|
|
1971
|
|
1972 *code = (uintptr_t) NULL;
|
|
1973
|
50
|
1974 return NGX_CONF_OK;
|
|
1975 }
|
58
|
1976
|
|
1977
|
122
|
1978 static ngx_int_t
|
|
1979 ngx_http_fastcgi_script_name_variable(ngx_http_request_t *r,
|
|
1980 ngx_http_variable_value_t *v, uintptr_t data)
|
58
|
1981 {
|
|
1982 u_char *p;
|
|
1983 ngx_http_fastcgi_loc_conf_t *flcf;
|
|
1984
|
126
|
1985 v->valid = 1;
|
122
|
1986 v->no_cachable = 0;
|
|
1987 v->not_found = 0;
|
58
|
1988
|
|
1989 flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module);
|
|
1990
|
|
1991 if (r->uri.data[r->uri.len - 1] != '/') {
|
122
|
1992 v->len = r->uri.len;
|
|
1993 v->data = r->uri.data;
|
|
1994 return NGX_OK;
|
58
|
1995 }
|
|
1996
|
122
|
1997 v->len = r->uri.len + flcf->index.len;
|
58
|
1998
|
122
|
1999 v->data = ngx_palloc(r->pool, v->len);
|
|
2000 if (v->data == NULL) {
|
|
2001 return NGX_ERROR;
|
58
|
2002 }
|
|
2003
|
122
|
2004 p = ngx_copy(v->data, r->uri.data, r->uri.len);
|
58
|
2005 ngx_memcpy(p, flcf->index.data, flcf->index.len);
|
|
2006
|
122
|
2007 return NGX_OK;
|
58
|
2008 }
|
|
2009
|
|
2010
|
|
2011 static char *
|
|
2012 ngx_http_fastcgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
2013 {
|
|
2014 ngx_http_fastcgi_loc_conf_t *lcf = conf;
|
|
2015
|
200
|
2016 ngx_url_t u;
|
58
|
2017 ngx_str_t *value;
|
|
2018 ngx_http_core_loc_conf_t *clcf;
|
|
2019
|
104
|
2020 if (lcf->upstream.schema.len) {
|
|
2021 return "is duplicate";
|
|
2022 }
|
|
2023
|
58
|
2024 value = cf->args->elts;
|
|
2025
|
200
|
2026 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
2027
|
|
2028 u.url = value[1];
|
|
2029 u.upstream = 1;
|
|
2030
|
|
2031 lcf->upstream_peers = ngx_http_upstream_add(cf, &u);
|
|
2032 if (lcf->upstream_peers == NULL) {
|
58
|
2033 return NGX_CONF_ERROR;
|
|
2034 }
|
|
2035
|
|
2036 lcf->upstream.schema.len = sizeof("fastcgi://") - 1;
|
|
2037 lcf->upstream.schema.data = (u_char *) "fastcgi://";
|
|
2038
|
|
2039 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
2040
|
|
2041 clcf->handler = ngx_http_fastcgi_handler;
|
|
2042
|
122
|
2043 lcf->upstream.location = clcf->name;
|
58
|
2044
|
|
2045 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
2046 clcf->auto_redirect = 1;
|
|
2047 }
|
|
2048
|
|
2049 return NGX_CONF_OK;
|
|
2050 }
|
|
2051
|
|
2052
|
|
2053 static char *
|
|
2054 ngx_http_fastcgi_lowat_check(ngx_conf_t *cf, void *post, void *data)
|
|
2055 {
|
|
2056 #if (NGX_FREEBSD)
|
|
2057 ssize_t *np = data;
|
|
2058
|
|
2059 if (*np >= ngx_freebsd_net_inet_tcp_sendspace) {
|
|
2060 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
2061 "\"fastcgi_send_lowat\" must be less than %d "
|
|
2062 "(sysctl net.inet.tcp.sendspace)",
|
|
2063 ngx_freebsd_net_inet_tcp_sendspace);
|
|
2064
|
|
2065 return NGX_CONF_ERROR;
|
|
2066 }
|
|
2067
|
|
2068 #elif !(NGX_HAVE_SO_SNDLOWAT)
|
|
2069 ssize_t *np = data;
|
|
2070
|
|
2071 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
2072 "\"fastcgi_send_lowat\" is not supported, ignored");
|
|
2073
|
|
2074 *np = 0;
|
|
2075
|
|
2076 #endif
|
|
2077
|
|
2078 return NGX_CONF_OK;
|
|
2079 }
|