576
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1
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2 /*
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3 * Copyright (C) Unbit S.a.s. 2009-2010
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4 * Copyright (C) 2008 Manlio Perillo (manlio.perillo@gmail.com)
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5 * Copyright (C) Igor Sysoev
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6 */
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7
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8
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9 #include <ngx_config.h>
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10 #include <ngx_core.h>
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11 #include <ngx_http.h>
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12
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13
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14 typedef struct {
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15 ngx_http_upstream_conf_t upstream;
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16
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17 ngx_array_t *flushes;
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18 ngx_array_t *params_len;
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19 ngx_array_t *params;
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20 ngx_array_t *params_source;
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21
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22 ngx_hash_t headers_hash;
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23 ngx_uint_t header_params;
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24
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25 ngx_array_t *uwsgi_lengths;
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26 ngx_array_t *uwsgi_values;
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27
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28 #if (NGX_HTTP_CACHE)
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29 ngx_http_complex_value_t cache_key;
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30 #endif
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31
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32 ngx_str_t uwsgi_string;
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33
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34 ngx_uint_t modifier1;
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35 ngx_uint_t modifier2;
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36 } ngx_http_uwsgi_loc_conf_t;
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37
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38
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39 typedef struct {
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40 ngx_uint_t status;
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41 ngx_uint_t status_count;
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42 u_char *status_start;
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43 u_char *status_end;
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44 } ngx_http_uwsgi_ctx_t;
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45
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46
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47 #define NGX_HTTP_UWSGI_PARSE_NO_HEADER 20
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48
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49
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50 static ngx_int_t ngx_http_uwsgi_eval(ngx_http_request_t *r,
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51 ngx_http_uwsgi_loc_conf_t *uwcf);
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52 static ngx_int_t ngx_http_uwsgi_create_request(ngx_http_request_t *r);
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53 static ngx_int_t ngx_http_uwsgi_reinit_request(ngx_http_request_t *r);
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54 static ngx_int_t ngx_http_uwsgi_process_status_line(ngx_http_request_t *r);
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55 static ngx_int_t ngx_http_uwsgi_parse_status_line(ngx_http_request_t *r,
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56 ngx_http_uwsgi_ctx_t *ctx);
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57 static ngx_int_t ngx_http_uwsgi_process_header(ngx_http_request_t *r);
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58 static ngx_int_t ngx_http_uwsgi_process_header(ngx_http_request_t *r);
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59 static void ngx_http_uwsgi_abort_request(ngx_http_request_t *r);
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60 static void ngx_http_uwsgi_finalize_request(ngx_http_request_t *r,
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61 ngx_int_t rc);
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62
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63 static void *ngx_http_uwsgi_create_loc_conf(ngx_conf_t *cf);
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64 static char *ngx_http_uwsgi_merge_loc_conf(ngx_conf_t *cf, void *parent,
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65 void *child);
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66
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67 static char *ngx_http_uwsgi_pass(ngx_conf_t *cf, ngx_command_t *cmd,
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68 void *conf);
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69 static char *ngx_http_uwsgi_store(ngx_conf_t *cf, ngx_command_t *cmd,
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70 void *conf);
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71
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72 #if (NGX_HTTP_CACHE)
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73 static ngx_int_t ngx_http_uwsgi_create_key(ngx_http_request_t *r);
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74 static char *ngx_http_uwsgi_cache(ngx_conf_t *cf, ngx_command_t *cmd,
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75 void *conf);
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76 static char *ngx_http_uwsgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd,
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77 void *conf);
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78 #endif
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79
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80
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81 static ngx_conf_num_bounds_t ngx_http_uwsgi_modifier_bounds = {
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82 ngx_conf_check_num_bounds, 0, 255
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83 };
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84
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85
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86 static ngx_conf_bitmask_t ngx_http_uwsgi_next_upstream_masks[] = {
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87 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
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88 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
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89 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
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90 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
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91 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 },
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92 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
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93 { ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING },
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94 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF },
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95 { ngx_null_string, 0 }
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96 };
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97
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98
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99 static ngx_conf_bitmask_t ngx_http_uwsgi_ignore_headers_masks[] = {
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100 { ngx_string("X-Accel-Redirect"), NGX_HTTP_UPSTREAM_IGN_XA_REDIRECT },
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101 { ngx_string("X-Accel-Expires"), NGX_HTTP_UPSTREAM_IGN_XA_EXPIRES },
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102 { ngx_string("Expires"), NGX_HTTP_UPSTREAM_IGN_EXPIRES },
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103 { ngx_string("Cache-Control"), NGX_HTTP_UPSTREAM_IGN_CACHE_CONTROL },
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104 { ngx_null_string, 0 }
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105 };
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106
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107
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108 ngx_module_t ngx_http_uwsgi_module;
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109
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110
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111 static ngx_command_t ngx_http_uwsgi_commands[] = {
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112
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113 { ngx_string("uwsgi_pass"),
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114 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1,
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115 ngx_http_uwsgi_pass,
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116 NGX_HTTP_LOC_CONF_OFFSET,
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117 0,
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118 NULL },
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119
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120 { ngx_string("uwsgi_modifier1"),
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121 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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122 ngx_conf_set_num_slot,
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123 NGX_HTTP_LOC_CONF_OFFSET,
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124 offsetof(ngx_http_uwsgi_loc_conf_t, modifier1),
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125 &ngx_http_uwsgi_modifier_bounds },
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126
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127 { ngx_string("uwsgi_modifier2"),
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128 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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129 ngx_conf_set_num_slot,
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130 NGX_HTTP_LOC_CONF_OFFSET,
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131 offsetof(ngx_http_uwsgi_loc_conf_t, modifier2),
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132 &ngx_http_uwsgi_modifier_bounds },
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133
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134 { ngx_string("uwsgi_store"),
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135 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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136 ngx_http_uwsgi_store,
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137 NGX_HTTP_LOC_CONF_OFFSET,
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138 0,
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139 NULL },
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140
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141 { ngx_string("uwsgi_store_access"),
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142 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123,
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143 ngx_conf_set_access_slot,
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144 NGX_HTTP_LOC_CONF_OFFSET,
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145 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.store_access),
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146 NULL },
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147
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148 { ngx_string("uwsgi_ignore_client_abort"),
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149 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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150 ngx_conf_set_flag_slot,
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151 NGX_HTTP_LOC_CONF_OFFSET,
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152 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.ignore_client_abort),
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153 NULL },
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154
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155 { ngx_string("uwsgi_bind"),
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156 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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157 ngx_http_upstream_bind_set_slot,
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158 NGX_HTTP_LOC_CONF_OFFSET,
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159 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.local),
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160 NULL },
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161
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162 { ngx_string("uwsgi_connect_timeout"),
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163 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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164 ngx_conf_set_msec_slot,
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165 NGX_HTTP_LOC_CONF_OFFSET,
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166 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.connect_timeout),
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167 NULL },
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168
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169 { ngx_string("uwsgi_send_timeout"),
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170 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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171 ngx_conf_set_msec_slot,
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172 NGX_HTTP_LOC_CONF_OFFSET,
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173 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.send_timeout),
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174 NULL },
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175
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176 { ngx_string("uwsgi_buffer_size"),
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177 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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178 ngx_conf_set_size_slot,
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179 NGX_HTTP_LOC_CONF_OFFSET,
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180 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.buffer_size),
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181 NULL },
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182
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183 { ngx_string("uwsgi_pass_request_headers"),
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184 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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185 ngx_conf_set_flag_slot,
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186 NGX_HTTP_LOC_CONF_OFFSET,
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187 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.pass_request_headers),
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188 NULL },
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189
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190 { ngx_string("uwsgi_pass_request_body"),
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191 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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192 ngx_conf_set_flag_slot,
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193 NGX_HTTP_LOC_CONF_OFFSET,
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194 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.pass_request_body),
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195 NULL },
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196
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197 { ngx_string("uwsgi_intercept_errors"),
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198 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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199 ngx_conf_set_flag_slot,
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200 NGX_HTTP_LOC_CONF_OFFSET,
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201 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.intercept_errors),
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202 NULL },
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203
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204 { ngx_string("uwsgi_read_timeout"),
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205 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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206 ngx_conf_set_msec_slot,
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207 NGX_HTTP_LOC_CONF_OFFSET,
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208 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.read_timeout),
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209 NULL },
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210
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211 { ngx_string("uwsgi_buffers"),
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212 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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213 ngx_conf_set_bufs_slot,
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214 NGX_HTTP_LOC_CONF_OFFSET,
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215 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.bufs),
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216 NULL },
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217
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218 { ngx_string("uwsgi_busy_buffers_size"),
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219 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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220 ngx_conf_set_size_slot,
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221 NGX_HTTP_LOC_CONF_OFFSET,
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222 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.busy_buffers_size_conf),
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223 NULL },
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224
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225 #if (NGX_HTTP_CACHE)
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226
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227 { ngx_string("uwsgi_cache"),
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228 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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229 ngx_http_uwsgi_cache,
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230 NGX_HTTP_LOC_CONF_OFFSET,
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231 0,
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232 NULL },
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233
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234 { ngx_string("uwsgi_cache_key"),
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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_http_uwsgi_cache_key,
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237 NGX_HTTP_LOC_CONF_OFFSET,
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238 0,
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239 NULL },
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240
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241 { ngx_string("uwsgi_cache_path"),
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242 NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE,
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243 ngx_http_file_cache_set_slot,
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244 0,
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245 0,
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246 &ngx_http_uwsgi_module },
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247
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248 { ngx_string("uwsgi_no_cache"),
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249 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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250 ngx_http_no_cache_set_slot,
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251 NGX_HTTP_LOC_CONF_OFFSET,
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252 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.no_cache),
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253 NULL },
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254
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255 { ngx_string("uwsgi_cache_valid"),
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256 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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257 ngx_http_file_cache_valid_set_slot,
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258 NGX_HTTP_LOC_CONF_OFFSET,
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259 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.cache_valid),
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260 NULL },
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261
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262 { ngx_string("uwsgi_cache_min_uses"),
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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_num_slot,
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265 NGX_HTTP_LOC_CONF_OFFSET,
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266 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.cache_min_uses),
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267 NULL },
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268
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269 { ngx_string("uwsgi_cache_use_stale"),
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270 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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271 ngx_conf_set_bitmask_slot,
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272 NGX_HTTP_LOC_CONF_OFFSET,
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273 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.cache_use_stale),
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274 &ngx_http_uwsgi_next_upstream_masks },
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275
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276 { ngx_string("uwsgi_cache_methods"),
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277 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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278 ngx_conf_set_bitmask_slot,
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279 NGX_HTTP_LOC_CONF_OFFSET,
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280 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.cache_methods),
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281 &ngx_http_upstream_cache_method_mask },
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282
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283 #endif
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284
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285 { ngx_string("uwsgi_temp_path"),
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286 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
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287 ngx_conf_set_path_slot,
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288 NGX_HTTP_LOC_CONF_OFFSET,
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289 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.temp_path),
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290 NULL },
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291
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292 { ngx_string("uwsgi_max_temp_file_size"),
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293 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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294 ngx_conf_set_size_slot,
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295 NGX_HTTP_LOC_CONF_OFFSET,
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296 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.max_temp_file_size_conf),
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297 NULL },
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298
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299 { ngx_string("uwsgi_temp_file_write_size"),
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300 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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301 ngx_conf_set_size_slot,
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302 NGX_HTTP_LOC_CONF_OFFSET,
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303 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.temp_file_write_size_conf),
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304 NULL },
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305
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306 { ngx_string("uwsgi_next_upstream"),
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307 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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308 ngx_conf_set_bitmask_slot,
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309 NGX_HTTP_LOC_CONF_OFFSET,
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310 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.next_upstream),
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311 &ngx_http_uwsgi_next_upstream_masks },
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312
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313 { ngx_string("uwsgi_param"),
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314 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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315 ngx_conf_set_keyval_slot,
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316 NGX_HTTP_LOC_CONF_OFFSET,
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317 offsetof(ngx_http_uwsgi_loc_conf_t, params_source),
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318 NULL },
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319
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320 { ngx_string("uwsgi_string"),
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321 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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322 ngx_conf_set_str_slot,
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323 NGX_HTTP_LOC_CONF_OFFSET,
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324 offsetof(ngx_http_uwsgi_loc_conf_t, uwsgi_string),
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325 NULL },
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326
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327 { ngx_string("uwsgi_pass_header"),
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328 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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329 ngx_conf_set_str_array_slot,
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330 NGX_HTTP_LOC_CONF_OFFSET,
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331 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.pass_headers),
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332 NULL },
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333
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334 { ngx_string("uwsgi_hide_header"),
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335 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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336 ngx_conf_set_str_array_slot,
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337 NGX_HTTP_LOC_CONF_OFFSET,
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338 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.hide_headers),
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339 NULL },
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340
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341 { ngx_string("uwsgi_ignore_headers"),
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342 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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343 ngx_conf_set_bitmask_slot,
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344 NGX_HTTP_LOC_CONF_OFFSET,
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345 offsetof(ngx_http_uwsgi_loc_conf_t, upstream.ignore_headers),
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346 &ngx_http_uwsgi_ignore_headers_masks },
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347
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348 ngx_null_command
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349 };
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350
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351
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352 static ngx_http_module_t ngx_http_uwsgi_module_ctx = {
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353 NULL, /* preconfiguration */
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354 NULL, /* postconfiguration */
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355
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356 NULL, /* create main configuration */
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357 NULL, /* init main configuration */
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358
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359 NULL, /* create server configuration */
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360 NULL, /* merge server configuration */
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361
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362 ngx_http_uwsgi_create_loc_conf, /* create location configuration */
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363 ngx_http_uwsgi_merge_loc_conf /* merge location configuration */
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364 };
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365
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366
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367 ngx_module_t ngx_http_uwsgi_module = {
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368 NGX_MODULE_V1,
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369 &ngx_http_uwsgi_module_ctx, /* module context */
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370 ngx_http_uwsgi_commands, /* module directives */
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371 NGX_HTTP_MODULE, /* module type */
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372 NULL, /* init master */
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373 NULL, /* init module */
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374 NULL, /* init process */
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375 NULL, /* init thread */
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376 NULL, /* exit thread */
|
|
377 NULL, /* exit process */
|
|
378 NULL, /* exit master */
|
|
379 NGX_MODULE_V1_PADDING
|
|
380 };
|
|
381
|
|
382
|
|
383 static ngx_str_t ngx_http_uwsgi_hide_headers[] = {
|
|
384 ngx_string("X-Accel-Expires"),
|
|
385 ngx_string("X-Accel-Redirect"),
|
|
386 ngx_string("X-Accel-Limit-Rate"),
|
|
387 ngx_string("X-Accel-Buffering"),
|
|
388 ngx_string("X-Accel-Charset"),
|
|
389 ngx_null_string
|
|
390 };
|
|
391
|
|
392
|
|
393 #if (NGX_HTTP_CACHE)
|
|
394
|
|
395 static ngx_str_t ngx_http_uwsgi_hide_cache_headers[] = {
|
|
396 ngx_string("X-Accel-Expires"),
|
|
397 ngx_string("X-Accel-Redirect"),
|
|
398 ngx_string("X-Accel-Limit-Rate"),
|
|
399 ngx_string("X-Accel-Buffering"),
|
|
400 ngx_string("X-Accel-Charset"),
|
|
401 ngx_string("Set-Cookie"),
|
|
402 ngx_string("P3P"),
|
|
403 ngx_null_string
|
|
404 };
|
|
405
|
|
406
|
|
407 static ngx_keyval_t ngx_http_uwsgi_cache_headers[] = {
|
|
408 { ngx_string("HTTP_IF_MODIFIED_SINCE"), ngx_string("") },
|
|
409 { ngx_string("HTTP_IF_UNMODIFIED_SINCE"), ngx_string("") },
|
|
410 { ngx_string("HTTP_IF_NONE_MATCH"), ngx_string("") },
|
|
411 { ngx_string("HTTP_IF_MATCH"), ngx_string("") },
|
|
412 { ngx_string("HTTP_RANGE"), ngx_string("") },
|
|
413 { ngx_string("HTTP_IF_RANGE"), ngx_string("") },
|
|
414 { ngx_null_string, ngx_null_string }
|
|
415 };
|
|
416
|
|
417 #endif
|
|
418
|
|
419
|
|
420 static ngx_path_init_t ngx_http_uwsgi_temp_path = {
|
|
421 ngx_string(NGX_HTTP_UWSGI_TEMP_PATH), { 1, 2, 0 }
|
|
422 };
|
|
423
|
|
424
|
|
425 static ngx_int_t
|
|
426 ngx_http_uwsgi_handler(ngx_http_request_t *r)
|
|
427 {
|
|
428 ngx_int_t rc;
|
|
429 ngx_http_upstream_t *u;
|
|
430 ngx_http_uwsgi_ctx_t *ctx;
|
|
431 ngx_http_uwsgi_loc_conf_t *uwcf;
|
|
432
|
|
433 if (r->subrequest_in_memory) {
|
|
434 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
435 "ngx_http_uwsgi_module does not support "
|
|
436 "subrequests in memory");
|
|
437 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
438 }
|
|
439
|
|
440 if (ngx_http_upstream_create(r) != NGX_OK) {
|
|
441 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
442 }
|
|
443
|
|
444 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_uwsgi_ctx_t));
|
|
445 if (ctx == NULL) {
|
|
446 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
447 }
|
|
448
|
|
449 ngx_http_set_ctx(r, ctx, ngx_http_uwsgi_module);
|
|
450
|
|
451 uwcf = ngx_http_get_module_loc_conf(r, ngx_http_uwsgi_module);
|
|
452
|
|
453 if (uwcf->uwsgi_lengths) {
|
|
454 if (ngx_http_uwsgi_eval(r, uwcf) != NGX_OK) {
|
|
455 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
456 }
|
|
457 }
|
|
458
|
|
459 u = r->upstream;
|
|
460
|
|
461 ngx_str_set(&u->schema, "uwsgi://");
|
|
462 u->output.tag = (ngx_buf_tag_t) &ngx_http_uwsgi_module;
|
|
463
|
|
464 u->conf = &uwcf->upstream;
|
|
465
|
|
466 #if (NGX_HTTP_CACHE)
|
|
467 u->create_key = ngx_http_uwsgi_create_key;
|
|
468 #endif
|
|
469 u->create_request = ngx_http_uwsgi_create_request;
|
|
470 u->reinit_request = ngx_http_uwsgi_reinit_request;
|
|
471 u->process_header = ngx_http_uwsgi_process_status_line;
|
|
472 u->abort_request = ngx_http_uwsgi_abort_request;
|
|
473 u->finalize_request = ngx_http_uwsgi_finalize_request;
|
|
474
|
|
475 u->buffering = 1;
|
|
476
|
|
477 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
|
|
478 if (u->pipe == NULL) {
|
|
479 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
480 }
|
|
481
|
|
482 u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
|
|
483 u->pipe->input_ctx = r;
|
|
484
|
|
485 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
486
|
|
487 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
488 return rc;
|
|
489 }
|
|
490
|
|
491 return NGX_DONE;
|
|
492 }
|
|
493
|
|
494
|
|
495 static ngx_int_t
|
|
496 ngx_http_uwsgi_eval(ngx_http_request_t *r, ngx_http_uwsgi_loc_conf_t * uwcf)
|
|
497 {
|
|
498 ngx_url_t u;
|
|
499
|
|
500 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
501
|
|
502 if (ngx_http_script_run(r, &u.url, uwcf->uwsgi_lengths->elts, 0,
|
|
503 uwcf->uwsgi_values->elts)
|
|
504 == NULL)
|
|
505 {
|
|
506 return NGX_ERROR;
|
|
507 }
|
|
508
|
|
509 u.no_resolve = 1;
|
|
510
|
|
511 if (ngx_parse_url(r->pool, &u) != NGX_OK) {
|
|
512 if (u.err) {
|
|
513 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
514 "%s in upstream \"%V\"", u.err, &u.url);
|
|
515 }
|
|
516
|
|
517 return NGX_ERROR;
|
|
518 }
|
|
519
|
|
520 if (u.no_port) {
|
|
521 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
522 "no port in upstream \"%V\"", &u.url);
|
|
523 return NGX_ERROR;
|
|
524 }
|
|
525
|
|
526 r->upstream->resolved = ngx_pcalloc(r->pool,
|
|
527 sizeof(ngx_http_upstream_resolved_t));
|
|
528 if (r->upstream->resolved == NULL) {
|
|
529 return NGX_ERROR;
|
|
530 }
|
|
531
|
|
532 if (u.addrs && u.addrs[0].sockaddr) {
|
|
533 r->upstream->resolved->sockaddr = u.addrs[0].sockaddr;
|
|
534 r->upstream->resolved->socklen = u.addrs[0].socklen;
|
|
535 r->upstream->resolved->naddrs = 1;
|
|
536 r->upstream->resolved->host = u.addrs[0].name;
|
|
537
|
|
538 } else {
|
|
539 r->upstream->resolved->host = u.host;
|
|
540 r->upstream->resolved->port = u.port;
|
|
541 }
|
|
542
|
|
543 return NGX_OK;
|
|
544 }
|
|
545
|
|
546
|
|
547 #if (NGX_HTTP_CACHE)
|
|
548
|
|
549 static ngx_int_t
|
|
550 ngx_http_uwsgi_create_key(ngx_http_request_t *r)
|
|
551 {
|
|
552 ngx_str_t *key;
|
|
553 ngx_http_uwsgi_loc_conf_t *uwcf;
|
|
554
|
|
555 key = ngx_array_push(&r->cache->keys);
|
|
556 if (key == NULL) {
|
|
557 return NGX_ERROR;
|
|
558 }
|
|
559
|
|
560 uwcf = ngx_http_get_module_loc_conf(r, ngx_http_uwsgi_module);
|
|
561
|
|
562 if (ngx_http_complex_value(r, &uwcf->cache_key, key) != NGX_OK) {
|
|
563 return NGX_ERROR;
|
|
564 }
|
|
565
|
|
566 return NGX_OK;
|
|
567 }
|
|
568
|
|
569 #endif
|
|
570
|
|
571
|
|
572 static ngx_int_t
|
|
573 ngx_http_uwsgi_create_request(ngx_http_request_t *r)
|
|
574 {
|
|
575 u_char ch, *lowcase_key;
|
|
576 size_t key_len, val_len, len, allocated;
|
|
577 ngx_uint_t i, n, hash, header_params;
|
|
578 ngx_buf_t *b;
|
|
579 ngx_chain_t *cl, *body;
|
|
580 ngx_list_part_t *part;
|
|
581 ngx_table_elt_t *header, **ignored;
|
|
582 ngx_http_script_code_pt code;
|
|
583 ngx_http_script_engine_t e, le;
|
|
584 ngx_http_uwsgi_loc_conf_t *uwcf;
|
|
585 ngx_http_script_len_code_pt lcode;
|
|
586
|
|
587 len = 0;
|
|
588 header_params = 0;
|
|
589 ignored = NULL;
|
|
590
|
|
591 uwcf = ngx_http_get_module_loc_conf(r, ngx_http_uwsgi_module);
|
|
592
|
|
593 if (uwcf->params_len) {
|
|
594 ngx_memzero(&le, sizeof(ngx_http_script_engine_t));
|
|
595
|
|
596 ngx_http_script_flush_no_cacheable_variables(r, uwcf->flushes);
|
|
597 le.flushed = 1;
|
|
598
|
|
599 le.ip = uwcf->params_len->elts;
|
|
600 le.request = r;
|
|
601
|
|
602 while (*(uintptr_t *) le.ip) {
|
|
603
|
|
604 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
605 key_len = lcode(&le);
|
|
606
|
|
607 for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode (&le)) {
|
|
608 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
609 }
|
|
610 le.ip += sizeof(uintptr_t);
|
|
611
|
|
612 len += 2 + key_len + 2 + val_len;
|
|
613 }
|
|
614 }
|
|
615
|
|
616 if (uwcf->upstream.pass_request_headers) {
|
|
617
|
|
618 allocated = 0;
|
|
619 lowcase_key = NULL;
|
|
620
|
|
621 if (uwcf->header_params) {
|
|
622 ignored = ngx_palloc(r->pool, uwcf->header_params * sizeof(void *));
|
|
623 if (ignored == NULL) {
|
|
624 return NGX_ERROR;
|
|
625 }
|
|
626 }
|
|
627
|
|
628 part = &r->headers_in.headers.part;
|
|
629 header = part->elts;
|
|
630
|
|
631 for (i = 0; /* void */ ; i++) {
|
|
632
|
|
633 if (i >= part->nelts) {
|
|
634 if (part->next == NULL) {
|
|
635 break;
|
|
636 }
|
|
637
|
|
638 part = part->next;
|
|
639 header = part->elts;
|
|
640 i = 0;
|
|
641 }
|
|
642
|
|
643 if (uwcf->header_params) {
|
|
644 if (allocated < header[i].key.len) {
|
|
645 allocated = header[i].key.len + 16;
|
|
646 lowcase_key = ngx_pnalloc(r->pool, allocated);
|
|
647 if (lowcase_key == NULL) {
|
|
648 return NGX_ERROR;
|
|
649 }
|
|
650 }
|
|
651
|
|
652 hash = 0;
|
|
653
|
|
654 for (n = 0; n < header[i].key.len; n++) {
|
|
655 ch = header[i].key.data[n];
|
|
656
|
|
657 if (ch >= 'A' && ch <= 'Z') {
|
|
658 ch |= 0x20;
|
|
659
|
|
660 } else if (ch == '-') {
|
|
661 ch = '_';
|
|
662 }
|
|
663
|
|
664 hash = ngx_hash(hash, ch);
|
|
665 lowcase_key[n] = ch;
|
|
666 }
|
|
667
|
|
668 if (ngx_hash_find(&uwcf->headers_hash, hash, lowcase_key, n)) {
|
|
669 ignored[header_params++] = &header[i];
|
|
670 continue;
|
|
671 }
|
|
672 }
|
|
673
|
|
674 len += 2 + sizeof("HTTP_") - 1 + header[i].key.len
|
|
675 + 2 + header[i].value.len;
|
|
676 }
|
|
677 }
|
|
678
|
|
679 len += uwcf->uwsgi_string.len;
|
|
680
|
|
681 #if 0
|
|
682 /* allow custom uwsgi packet */
|
|
683 if (len > 0 && len < 2) {
|
|
684 ngx_log_error (NGX_LOG_ALERT, r->connection->log, 0,
|
|
685 "uwsgi request is too little: %uz", len);
|
|
686 return NGX_ERROR;
|
|
687 }
|
|
688 #endif
|
|
689
|
|
690 b = ngx_create_temp_buf(r->pool, len + 4);
|
|
691 if (b == NULL) {
|
|
692 return NGX_ERROR;
|
|
693 }
|
|
694
|
|
695 cl = ngx_alloc_chain_link(r->pool);
|
|
696 if (cl == NULL) {
|
|
697 return NGX_ERROR;
|
|
698 }
|
|
699
|
|
700 cl->buf = b;
|
|
701
|
|
702 *b->last++ = (u_char) uwcf->modifier1;
|
|
703 *b->last++ = (u_char) (len & 0xff);
|
|
704 *b->last++ = (u_char) ((len >> 8) & 0xff);
|
|
705 *b->last++ = (u_char) uwcf->modifier2;
|
|
706
|
|
707 if (uwcf->params_len) {
|
|
708 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
709
|
|
710 e.ip = uwcf->params->elts;
|
|
711 e.pos = b->last;
|
|
712 e.request = r;
|
|
713 e.flushed = 1;
|
|
714
|
|
715 le.ip = uwcf->params_len->elts;
|
|
716
|
|
717 while (*(uintptr_t *) le.ip) {
|
|
718
|
|
719 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
720 key_len = (u_char) lcode (&le);
|
|
721
|
|
722 for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) {
|
|
723 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
724 }
|
|
725 le.ip += sizeof(uintptr_t);
|
|
726
|
|
727 *e.pos++ = (u_char) (key_len & 0xff);
|
|
728 *e.pos++ = (u_char) ((key_len >> 8) & 0xff);
|
|
729
|
|
730 code = *(ngx_http_script_code_pt *) e.ip;
|
|
731 code((ngx_http_script_engine_t *) & e);
|
|
732
|
|
733 *e.pos++ = (u_char) (val_len & 0xff);
|
|
734 *e.pos++ = (u_char) ((val_len >> 8) & 0xff);
|
|
735
|
|
736 while (*(uintptr_t *) e.ip) {
|
|
737 code = *(ngx_http_script_code_pt *) e.ip;
|
|
738 code((ngx_http_script_engine_t *) & e);
|
|
739 }
|
|
740
|
|
741 e.ip += sizeof(uintptr_t);
|
|
742
|
|
743 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
744 "uwsgi param: \"%*s: %*s\"",
|
|
745 key_len, e.pos - (key_len + 2 + val_len),
|
|
746 val_len, e.pos - val_len);
|
|
747 }
|
|
748
|
|
749 b->last = e.pos;
|
|
750 }
|
|
751
|
|
752 if (uwcf->upstream.pass_request_headers) {
|
|
753
|
|
754 part = &r->headers_in.headers.part;
|
|
755 header = part->elts;
|
|
756
|
|
757 for (i = 0; /* void */ ; i++) {
|
|
758
|
|
759 if (i >= part->nelts) {
|
|
760 if (part->next == NULL) {
|
|
761 break;
|
|
762 }
|
|
763
|
|
764 part = part->next;
|
|
765 header = part->elts;
|
|
766 i = 0;
|
|
767 }
|
|
768
|
|
769 for (n = 0; n < header_params; n++) {
|
|
770 if (&header[i] == ignored[n]) {
|
|
771 goto next;
|
|
772 }
|
|
773 }
|
|
774
|
|
775 key_len = sizeof("HTTP_") - 1 + header[i].key.len;
|
|
776 *b->last++ = (u_char) (key_len & 0xff);
|
|
777 *b->last++ = (u_char) ((key_len >> 8) & 0xff);
|
|
778
|
|
779 b->last = ngx_cpymem(b->last, "HTTP_", sizeof("HTTP_") - 1);
|
|
780 for (n = 0; n < header[i].key.len; n++) {
|
|
781 ch = header[i].key.data[n];
|
|
782
|
|
783 if (ch >= 'a' && ch <= 'z') {
|
|
784 ch &= ~0x20;
|
|
785
|
|
786 } else if (ch == '-') {
|
|
787 ch = '_';
|
|
788 }
|
|
789
|
|
790 *b->last++ = ch;
|
|
791 }
|
|
792
|
|
793 val_len = header[i].value.len;
|
|
794 *b->last++ = (u_char) (val_len & 0xff);
|
|
795 *b->last++ = (u_char) ((val_len >> 8) & 0xff);
|
|
796 b->last = ngx_copy(b->last, header[i].value.data, val_len);
|
|
797
|
|
798 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
799 "uwsgi param: \"%*s: %*s\"",
|
|
800 key_len, b->last - (key_len + 2 + val_len),
|
|
801 val_len, b->last - val_len);
|
|
802 next:
|
|
803
|
|
804 continue;
|
|
805 }
|
|
806 }
|
|
807
|
|
808 b->last = ngx_copy(b->last, uwcf->uwsgi_string.data,
|
|
809 uwcf->uwsgi_string.len);
|
|
810
|
|
811 if (uwcf->upstream.pass_request_body) {
|
|
812 body = r->upstream->request_bufs;
|
|
813 r->upstream->request_bufs = cl;
|
|
814
|
|
815 while (body) {
|
|
816 b = ngx_alloc_buf(r->pool);
|
|
817 if (b == NULL) {
|
|
818 return NGX_ERROR;
|
|
819 }
|
|
820
|
|
821 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
822
|
|
823 cl->next = ngx_alloc_chain_link(r->pool);
|
|
824 if (cl->next == NULL) {
|
|
825 return NGX_ERROR;
|
|
826 }
|
|
827
|
|
828 cl = cl->next;
|
|
829 cl->buf = b;
|
|
830
|
|
831 body = body->next;
|
|
832 }
|
|
833
|
|
834 b->flush = 1;
|
|
835
|
|
836 } else {
|
|
837 r->upstream->request_bufs = cl;
|
|
838 }
|
|
839
|
|
840 cl->next = NULL;
|
|
841
|
|
842 return NGX_OK;
|
|
843 }
|
|
844
|
|
845
|
|
846 static ngx_int_t
|
|
847 ngx_http_uwsgi_reinit_request(ngx_http_request_t *r)
|
|
848 {
|
|
849 ngx_http_uwsgi_ctx_t *ctx;
|
|
850
|
|
851 ctx = ngx_http_get_module_ctx(r, ngx_http_uwsgi_module);
|
|
852
|
|
853 if (ctx == NULL) {
|
|
854 return NGX_OK;
|
|
855 }
|
|
856
|
|
857 ctx->status = 0;
|
|
858 ctx->status_count = 0;
|
|
859 ctx->status_start = NULL;
|
|
860 ctx->status_end = NULL;
|
|
861
|
|
862 r->upstream->process_header = ngx_http_uwsgi_process_status_line;
|
|
863
|
|
864 return NGX_OK;
|
|
865 }
|
|
866
|
|
867 static ngx_int_t
|
|
868 ngx_http_uwsgi_parse_status_line(ngx_http_request_t *r,
|
|
869 ngx_http_uwsgi_ctx_t *ctx)
|
|
870 {
|
|
871 u_char ch;
|
|
872 u_char *p;
|
|
873 ngx_http_upstream_t *u;
|
|
874 enum {
|
|
875 sw_start = 0,
|
|
876 sw_H,
|
|
877 sw_HT,
|
|
878 sw_HTT,
|
|
879 sw_HTTP,
|
|
880 sw_first_major_digit,
|
|
881 sw_major_digit,
|
|
882 sw_first_minor_digit,
|
|
883 sw_minor_digit,
|
|
884 sw_status,
|
|
885 sw_space_after_status,
|
|
886 sw_status_text,
|
|
887 sw_almost_done
|
|
888 } state;
|
|
889
|
|
890 u = r->upstream;
|
|
891
|
|
892 state = r->state;
|
|
893
|
|
894 for (p = u->buffer.pos; p < u->buffer.last; p++) {
|
|
895 ch = *p;
|
|
896
|
|
897 switch (state) {
|
|
898
|
|
899 /* "HTTP/" */
|
|
900 case sw_start:
|
|
901 switch (ch) {
|
|
902 case 'H':
|
|
903 state = sw_H;
|
|
904 break;
|
|
905 default:
|
|
906 return NGX_HTTP_UWSGI_PARSE_NO_HEADER;
|
|
907 }
|
|
908 break;
|
|
909
|
|
910 case sw_H:
|
|
911 switch (ch) {
|
|
912 case 'T':
|
|
913 state = sw_HT;
|
|
914 break;
|
|
915 default:
|
|
916 return NGX_HTTP_UWSGI_PARSE_NO_HEADER;
|
|
917 }
|
|
918 break;
|
|
919
|
|
920 case sw_HT:
|
|
921 switch (ch) {
|
|
922 case 'T':
|
|
923 state = sw_HTT;
|
|
924 break;
|
|
925 default:
|
|
926 return NGX_HTTP_UWSGI_PARSE_NO_HEADER;
|
|
927 }
|
|
928 break;
|
|
929
|
|
930 case sw_HTT:
|
|
931 switch (ch) {
|
|
932 case 'P':
|
|
933 state = sw_HTTP;
|
|
934 break;
|
|
935 default:
|
|
936 return NGX_HTTP_UWSGI_PARSE_NO_HEADER;
|
|
937 }
|
|
938 break;
|
|
939
|
|
940 case sw_HTTP:
|
|
941 switch (ch) {
|
|
942 case '/':
|
|
943 state = sw_first_major_digit;
|
|
944 break;
|
|
945 default:
|
|
946 return NGX_HTTP_UWSGI_PARSE_NO_HEADER;
|
|
947 }
|
|
948 break;
|
|
949
|
|
950 /* the first digit of major HTTP version */
|
|
951 case sw_first_major_digit:
|
|
952 if (ch < '1' || ch > '9') {
|
|
953 return NGX_HTTP_UWSGI_PARSE_NO_HEADER;
|
|
954 }
|
|
955
|
|
956 state = sw_major_digit;
|
|
957 break;
|
|
958
|
|
959 /* the major HTTP version or dot */
|
|
960 case sw_major_digit:
|
|
961 if (ch == '.') {
|
|
962 state = sw_first_minor_digit;
|
|
963 break;
|
|
964 }
|
|
965
|
|
966 if (ch < '0' || ch > '9') {
|
|
967 return NGX_HTTP_UWSGI_PARSE_NO_HEADER;
|
|
968 }
|
|
969
|
|
970 break;
|
|
971
|
|
972 /* the first digit of minor HTTP version */
|
|
973 case sw_first_minor_digit:
|
|
974 if (ch < '0' || ch > '9') {
|
|
975 return NGX_HTTP_UWSGI_PARSE_NO_HEADER;
|
|
976 }
|
|
977
|
|
978 state = sw_minor_digit;
|
|
979 break;
|
|
980
|
|
981 /* the minor HTTP version or the end of the request line */
|
|
982 case sw_minor_digit:
|
|
983 if (ch == ' ') {
|
|
984 state = sw_status;
|
|
985 break;
|
|
986 }
|
|
987
|
|
988 if (ch < '0' || ch > '9') {
|
|
989 return NGX_HTTP_UWSGI_PARSE_NO_HEADER;
|
|
990 }
|
|
991
|
|
992 break;
|
|
993
|
|
994 /* HTTP status code */
|
|
995 case sw_status:
|
|
996 if (ch == ' ') {
|
|
997 break;
|
|
998 }
|
|
999
|
|
1000 if (ch < '0' || ch > '9') {
|
|
1001 return NGX_HTTP_UWSGI_PARSE_NO_HEADER;
|
|
1002 }
|
|
1003
|
|
1004 ctx->status = ctx->status * 10 + ch - '0';
|
|
1005
|
|
1006 if (++ctx->status_count == 3) {
|
|
1007 state = sw_space_after_status;
|
|
1008 ctx->status_start = p - 2;
|
|
1009 }
|
|
1010
|
|
1011 break;
|
|
1012
|
|
1013 /* space or end of line */
|
|
1014 case sw_space_after_status:
|
|
1015 switch (ch) {
|
|
1016 case ' ':
|
|
1017 state = sw_status_text;
|
|
1018 break;
|
|
1019 case '.': /* IIS may send 403.1, 403.2, etc */
|
|
1020 state = sw_status_text;
|
|
1021 break;
|
|
1022 case CR:
|
|
1023 state = sw_almost_done;
|
|
1024 break;
|
|
1025 case LF:
|
|
1026 goto done;
|
|
1027 default:
|
|
1028 return NGX_HTTP_UWSGI_PARSE_NO_HEADER;
|
|
1029 }
|
|
1030 break;
|
|
1031
|
|
1032 /* any text until end of line */
|
|
1033 case sw_status_text:
|
|
1034 switch (ch) {
|
|
1035 case CR:
|
|
1036 state = sw_almost_done;
|
|
1037
|
|
1038 break;
|
|
1039 case LF:
|
|
1040 goto done;
|
|
1041 }
|
|
1042 break;
|
|
1043
|
|
1044 /* end of status line */
|
|
1045 case sw_almost_done:
|
|
1046 ctx->status_end = p - 1;
|
|
1047 switch (ch) {
|
|
1048 case LF:
|
|
1049 goto done;
|
|
1050 default:
|
|
1051 return NGX_HTTP_UWSGI_PARSE_NO_HEADER;
|
|
1052 }
|
|
1053 }
|
|
1054 }
|
|
1055
|
|
1056 u->buffer.pos = p;
|
|
1057 r->state = state;
|
|
1058
|
|
1059 return NGX_AGAIN;
|
|
1060
|
|
1061 done:
|
|
1062
|
|
1063 u->buffer.pos = p + 1;
|
|
1064
|
|
1065 if (ctx->status_end == NULL) {
|
|
1066 ctx->status_end = p;
|
|
1067 }
|
|
1068
|
|
1069 r->state = sw_start;
|
|
1070
|
|
1071 return NGX_OK;
|
|
1072 }
|
|
1073
|
|
1074
|
|
1075 static ngx_int_t
|
|
1076 ngx_http_uwsgi_process_status_line(ngx_http_request_t *r)
|
|
1077 {
|
|
1078 ngx_int_t rc;
|
|
1079 ngx_http_upstream_t *u;
|
|
1080 ngx_http_uwsgi_ctx_t *ctx;
|
|
1081
|
|
1082 ctx = ngx_http_get_module_ctx(r, ngx_http_uwsgi_module);
|
|
1083
|
|
1084 if (ctx == NULL) {
|
|
1085 return NGX_ERROR;
|
|
1086 }
|
|
1087
|
|
1088 rc = ngx_http_uwsgi_parse_status_line(r, ctx);
|
|
1089
|
|
1090 if (rc == NGX_AGAIN) {
|
|
1091 return rc;
|
|
1092 }
|
|
1093
|
|
1094 u = r->upstream;
|
|
1095
|
|
1096 if (rc == NGX_HTTP_UWSGI_PARSE_NO_HEADER) {
|
|
1097
|
|
1098 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
1099 "upstream sent no valid HTTP/1.0 header");
|
|
1100
|
|
1101 r->http_version = NGX_HTTP_VERSION_9;
|
|
1102 u->headers_in.status_n = NGX_HTTP_OK;
|
|
1103 u->state->status = NGX_HTTP_OK;
|
|
1104
|
|
1105 return NGX_OK;
|
|
1106 }
|
|
1107
|
|
1108 if (u->state) {
|
|
1109 u->state->status = ctx->status;
|
|
1110 }
|
|
1111
|
|
1112 u->headers_in.status_n = ctx->status;
|
|
1113
|
|
1114 u->headers_in.status_line.len = ctx->status_end - ctx->status_start;
|
|
1115 u->headers_in.status_line.data = ngx_pnalloc(r->pool,
|
|
1116 u->headers_in.status_line.len);
|
|
1117 if (u->headers_in.status_line.data == NULL) {
|
|
1118 return NGX_ERROR;
|
|
1119 }
|
|
1120
|
|
1121 ngx_memcpy(u->headers_in.status_line.data, ctx->status_start,
|
|
1122 u->headers_in.status_line.len);
|
|
1123
|
|
1124 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1125 "http uwsgi status %ui \"%V\"",
|
|
1126 u->headers_in.status_n, &u->headers_in.status_line);
|
|
1127
|
|
1128 u->process_header = ngx_http_uwsgi_process_header;
|
|
1129
|
|
1130 return ngx_http_uwsgi_process_header(r);
|
|
1131 }
|
|
1132
|
|
1133
|
|
1134 static ngx_int_t
|
|
1135 ngx_http_uwsgi_process_header(ngx_http_request_t *r)
|
|
1136 {
|
|
1137 ngx_int_t rc;
|
|
1138 ngx_table_elt_t *h;
|
|
1139 ngx_http_upstream_header_t *hh;
|
|
1140 ngx_http_upstream_main_conf_t *umcf;
|
|
1141
|
|
1142 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
1143
|
|
1144 for ( ;; ) {
|
|
1145
|
|
1146 rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1);
|
|
1147
|
|
1148 if (rc == NGX_OK) {
|
|
1149
|
|
1150 /* a header line has been parsed successfully */
|
|
1151
|
|
1152 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
1153 if (h == NULL) {
|
|
1154 return NGX_ERROR;
|
|
1155 }
|
|
1156
|
|
1157 h->hash = r->header_hash;
|
|
1158
|
|
1159 h->key.len = r->header_name_end - r->header_name_start;
|
|
1160 h->value.len = r->header_end - r->header_start;
|
|
1161
|
|
1162 h->key.data = ngx_pnalloc(r->pool,
|
|
1163 h->key.len + 1 + h->value.len + 1
|
|
1164 + h->key.len);
|
|
1165 if (h->key.data == NULL) {
|
|
1166 return NGX_ERROR;
|
|
1167 }
|
|
1168
|
|
1169 h->value.data = h->key.data + h->key.len + 1;
|
|
1170 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1;
|
|
1171
|
|
1172 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
1173 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
1174
|
|
1175 if (h->key.len == r->lowcase_index) {
|
|
1176 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
1177
|
|
1178 } else {
|
|
1179 ngx_strlow(h->lowcase_key, h->key.data, h->key.len);
|
|
1180 }
|
|
1181
|
|
1182 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash,
|
|
1183 h->lowcase_key, h->key.len);
|
|
1184
|
|
1185 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
1186 return NGX_ERROR;
|
|
1187 }
|
|
1188
|
|
1189 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1190 "http uwsgi header: \"%V: %V\"", &h->key, &h->value);
|
|
1191
|
|
1192 continue;
|
|
1193 }
|
|
1194
|
|
1195 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
1196
|
|
1197 /* a whole header has been parsed successfully */
|
|
1198
|
|
1199 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1200 "http uwsgi header done");
|
|
1201
|
|
1202 /*
|
|
1203 * if no "Server" and "Date" in header line,
|
|
1204 * then add the special empty headers
|
|
1205 */
|
|
1206
|
|
1207 if (r->upstream->headers_in.server == NULL) {
|
|
1208 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
1209 if (h == NULL) {
|
|
1210 return NGX_ERROR;
|
|
1211 }
|
|
1212
|
|
1213 h->hash = ngx_hash(ngx_hash(ngx_hash(ngx_hash(
|
|
1214 ngx_hash ('s', 'e'), 'r'), 'v'), 'e'), 'r');
|
|
1215
|
|
1216 ngx_str_set(&h->key, "Server");
|
|
1217 ngx_str_null(&h->value);
|
|
1218 h->lowcase_key = (u_char *) "server";
|
|
1219 }
|
|
1220
|
|
1221 if (r->upstream->headers_in.date == NULL) {
|
|
1222 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
1223 if (h == NULL) {
|
|
1224 return NGX_ERROR;
|
|
1225 }
|
|
1226
|
|
1227 h->hash = ngx_hash(ngx_hash(ngx_hash('d', 'a'), 't'), 'e');
|
|
1228
|
|
1229 ngx_str_set(&h->key, "Date");
|
|
1230 ngx_str_null(&h->value);
|
|
1231 h->lowcase_key = (u_char *) "date";
|
|
1232 }
|
|
1233
|
|
1234 return NGX_OK;
|
|
1235 }
|
|
1236
|
|
1237 if (rc == NGX_AGAIN) {
|
|
1238 return NGX_AGAIN;
|
|
1239 }
|
|
1240
|
|
1241 /* there was error while a header line parsing */
|
|
1242
|
|
1243 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
1244 "upstream sent invalid header");
|
|
1245
|
|
1246 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
1247 }
|
|
1248 }
|
|
1249
|
|
1250
|
|
1251 static void
|
|
1252 ngx_http_uwsgi_abort_request(ngx_http_request_t *r)
|
|
1253 {
|
|
1254 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1255 "abort http uwsgi request");
|
|
1256
|
|
1257 return;
|
|
1258 }
|
|
1259
|
|
1260
|
|
1261 static void
|
|
1262 ngx_http_uwsgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
1263 {
|
|
1264 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
1265 "finalize http uwsgi request");
|
|
1266
|
|
1267 return;
|
|
1268 }
|
|
1269
|
|
1270
|
|
1271 static void *
|
|
1272 ngx_http_uwsgi_create_loc_conf(ngx_conf_t *cf)
|
|
1273 {
|
|
1274 ngx_http_uwsgi_loc_conf_t *conf;
|
|
1275
|
|
1276 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_uwsgi_loc_conf_t));
|
|
1277 if (conf == NULL) {
|
|
1278 return NULL;
|
|
1279 }
|
|
1280
|
|
1281 conf->modifier1 = NGX_CONF_UNSET_UINT;
|
|
1282 conf->modifier2 = NGX_CONF_UNSET_UINT;
|
|
1283
|
|
1284 conf->upstream.store = NGX_CONF_UNSET;
|
|
1285 conf->upstream.store_access = NGX_CONF_UNSET_UINT;
|
|
1286 conf->upstream.buffering = NGX_CONF_UNSET;
|
|
1287 conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
|
|
1288
|
|
1289 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
1290 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
1291 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
1292
|
|
1293 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
1294 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
1295
|
|
1296 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
1297 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
1298 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
1299
|
|
1300 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
1301 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
1302
|
|
1303 #if (NGX_HTTP_CACHE)
|
|
1304 conf->upstream.cache = NGX_CONF_UNSET_PTR;
|
|
1305 conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT;
|
|
1306 conf->upstream.cache_valid = NGX_CONF_UNSET_PTR;
|
|
1307 #endif
|
|
1308
|
|
1309 conf->upstream.hide_headers = NGX_CONF_UNSET_PTR;
|
|
1310 conf->upstream.pass_headers = NGX_CONF_UNSET_PTR;
|
|
1311
|
|
1312 conf->upstream.intercept_errors = NGX_CONF_UNSET;
|
|
1313
|
|
1314 /* "uwsgi_cyclic_temp_file" is disabled */
|
|
1315 conf->upstream.cyclic_temp_file = 0;
|
|
1316
|
|
1317 return conf;
|
|
1318 }
|
|
1319
|
|
1320
|
|
1321 static char *
|
|
1322 ngx_http_uwsgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
1323 {
|
|
1324 ngx_http_uwsgi_loc_conf_t *prev = parent;
|
|
1325 ngx_http_uwsgi_loc_conf_t *conf = child;
|
|
1326
|
|
1327 u_char *p;
|
|
1328 size_t size;
|
|
1329 uintptr_t *code;
|
|
1330 ngx_str_t *hide;
|
|
1331 ngx_uint_t i;
|
|
1332 ngx_array_t headers_names;
|
|
1333 ngx_keyval_t *src;
|
|
1334 ngx_hash_key_t *hk;
|
|
1335 ngx_hash_init_t hash;
|
|
1336 ngx_http_script_compile_t sc;
|
|
1337 ngx_http_script_copy_code_t *copy;
|
|
1338
|
|
1339 if (conf->upstream.store != 0) {
|
|
1340 ngx_conf_merge_value(conf->upstream.store, prev->upstream.store, 0);
|
|
1341
|
|
1342 if (conf->upstream.store_lengths == NULL) {
|
|
1343 conf->upstream.store_lengths = prev->upstream.store_lengths;
|
|
1344 conf->upstream.store_values = prev->upstream.store_values;
|
|
1345 }
|
|
1346 }
|
|
1347
|
|
1348 ngx_conf_merge_uint_value(conf->upstream.store_access,
|
|
1349 prev->upstream.store_access, 0600);
|
|
1350
|
|
1351 ngx_conf_merge_value(conf->upstream.buffering,
|
|
1352 prev->upstream.buffering, 1);
|
|
1353
|
|
1354 ngx_conf_merge_value(conf->upstream.ignore_client_abort,
|
|
1355 prev->upstream.ignore_client_abort, 0);
|
|
1356
|
|
1357 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
1358 prev->upstream.connect_timeout, 60000);
|
|
1359
|
|
1360 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
1361 prev->upstream.send_timeout, 60000);
|
|
1362
|
|
1363 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
1364 prev->upstream.read_timeout, 60000);
|
|
1365
|
|
1366 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
1367 prev->upstream.send_lowat, 0);
|
|
1368
|
|
1369 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
1370 prev->upstream.buffer_size,
|
|
1371 (size_t) ngx_pagesize);
|
|
1372
|
|
1373
|
|
1374 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
1375 8, ngx_pagesize);
|
|
1376
|
|
1377 if (conf->upstream.bufs.num < 2) {
|
|
1378 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1379 "there must be at least 2 \"uwsgi_buffers\"");
|
|
1380 return NGX_CONF_ERROR;
|
|
1381 }
|
|
1382
|
|
1383
|
|
1384 size = conf->upstream.buffer_size;
|
|
1385 if (size < conf->upstream.bufs.size) {
|
|
1386 size = conf->upstream.bufs.size;
|
|
1387 }
|
|
1388
|
|
1389
|
|
1390 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
1391 prev->upstream.busy_buffers_size_conf,
|
|
1392 NGX_CONF_UNSET_SIZE);
|
|
1393
|
|
1394 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
1395 conf->upstream.busy_buffers_size = 2 * size;
|
|
1396 } else {
|
|
1397 conf->upstream.busy_buffers_size =
|
|
1398 conf->upstream.busy_buffers_size_conf;
|
|
1399 }
|
|
1400
|
|
1401 if (conf->upstream.busy_buffers_size < size) {
|
|
1402 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1403 "\"uwsgi_busy_buffers_size\" must be equal or bigger "
|
|
1404 "than maximum of the value of \"uwsgi_buffer_size\" and "
|
|
1405 "one of the \"uwsgi_buffers\"");
|
|
1406
|
|
1407 return NGX_CONF_ERROR;
|
|
1408 }
|
|
1409
|
|
1410 if (conf->upstream.busy_buffers_size
|
|
1411 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
1412 {
|
|
1413 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1414 "\"uwsgi_busy_buffers_size\" must be less than "
|
|
1415 "the size of all \"uwsgi_buffers\" minus one buffer");
|
|
1416
|
|
1417 return NGX_CONF_ERROR;
|
|
1418 }
|
|
1419
|
|
1420
|
|
1421 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
1422 prev->upstream.temp_file_write_size_conf,
|
|
1423 NGX_CONF_UNSET_SIZE);
|
|
1424
|
|
1425 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
1426 conf->upstream.temp_file_write_size = 2 * size;
|
|
1427 } else {
|
|
1428 conf->upstream.temp_file_write_size =
|
|
1429 conf->upstream.temp_file_write_size_conf;
|
|
1430 }
|
|
1431
|
|
1432 if (conf->upstream.temp_file_write_size < size) {
|
|
1433 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1434 "\"uwsgi_temp_file_write_size\" must be equal or bigger than "
|
|
1435 "maximum of the value of \"uwsgi_buffer_size\" and "
|
|
1436 "one of the \"uwsgi_buffers\"");
|
|
1437
|
|
1438 return NGX_CONF_ERROR;
|
|
1439 }
|
|
1440
|
|
1441
|
|
1442 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
1443 prev->upstream.max_temp_file_size_conf,
|
|
1444 NGX_CONF_UNSET_SIZE);
|
|
1445
|
|
1446 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
1447 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
1448 } else {
|
|
1449 conf->upstream.max_temp_file_size =
|
|
1450 conf->upstream.max_temp_file_size_conf;
|
|
1451 }
|
|
1452
|
|
1453 if (conf->upstream.max_temp_file_size != 0
|
|
1454 && conf->upstream.max_temp_file_size < size) {
|
|
1455 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1456 "\"uwsgi_max_temp_file_size\" must be equal to zero to disable "
|
|
1457 "the temporary files usage or must be equal or bigger than "
|
|
1458 "maximum of the value of \"uwsgi_buffer_size\" and "
|
|
1459 "one of the \"uwsgi_buffers\"");
|
|
1460
|
|
1461 return NGX_CONF_ERROR;
|
|
1462 }
|
|
1463
|
|
1464
|
|
1465 ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers,
|
|
1466 prev->upstream.ignore_headers,
|
|
1467 NGX_CONF_BITMASK_SET);
|
|
1468
|
|
1469
|
|
1470 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
1471 prev->upstream.next_upstream,
|
|
1472 (NGX_CONF_BITMASK_SET
|
|
1473 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
1474 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
1475
|
|
1476 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
1477 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
|
|
1478 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
1479 }
|
|
1480
|
|
1481 if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path,
|
|
1482 prev->upstream.temp_path,
|
|
1483 &ngx_http_uwsgi_temp_path)
|
|
1484 != NGX_OK)
|
|
1485 {
|
|
1486 return NGX_CONF_ERROR;
|
|
1487 }
|
|
1488
|
|
1489 #if (NGX_HTTP_CACHE)
|
|
1490
|
|
1491 ngx_conf_merge_ptr_value(conf->upstream.cache,
|
|
1492 prev->upstream.cache, NULL);
|
|
1493
|
|
1494 if (conf->upstream.cache && conf->upstream.cache->data == NULL) {
|
|
1495 ngx_shm_zone_t *shm_zone;
|
|
1496
|
|
1497 shm_zone = conf->upstream.cache;
|
|
1498
|
|
1499 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1500 "\"uwsgi_cache\" zone \"%V\" is unknown",
|
|
1501 &shm_zone->shm.name);
|
|
1502
|
|
1503 return NGX_CONF_ERROR;
|
|
1504 }
|
|
1505
|
|
1506 ngx_conf_merge_uint_value(conf->upstream.cache_min_uses,
|
|
1507 prev->upstream.cache_min_uses, 1);
|
|
1508
|
|
1509 ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale,
|
|
1510 prev->upstream.cache_use_stale,
|
|
1511 (NGX_CONF_BITMASK_SET
|
|
1512 |NGX_HTTP_UPSTREAM_FT_OFF));
|
|
1513
|
|
1514 if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
1515 conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET
|
|
1516 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
1517 }
|
|
1518
|
|
1519 if (conf->upstream.cache_methods == 0) {
|
|
1520 conf->upstream.cache_methods = prev->upstream.cache_methods;
|
|
1521 }
|
|
1522
|
|
1523 conf->upstream.cache_methods |= NGX_HTTP_GET|NGX_HTTP_HEAD;
|
|
1524
|
|
1525 ngx_conf_merge_ptr_value(conf->upstream.no_cache,
|
|
1526 prev->upstream.no_cache, NULL);
|
|
1527
|
|
1528 ngx_conf_merge_ptr_value(conf->upstream.cache_valid,
|
|
1529 prev->upstream.cache_valid, NULL);
|
|
1530
|
|
1531 if (conf->cache_key.value.data == NULL) {
|
|
1532 conf->cache_key = prev->cache_key;
|
|
1533 }
|
|
1534
|
|
1535 #endif
|
|
1536
|
|
1537 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
1538 prev->upstream.pass_request_headers, 1);
|
|
1539 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
1540 prev->upstream.pass_request_body, 1);
|
|
1541
|
|
1542 ngx_conf_merge_value(conf->upstream.intercept_errors,
|
|
1543 prev->upstream.intercept_errors, 0);
|
|
1544
|
|
1545 ngx_conf_merge_str_value(conf->uwsgi_string, prev->uwsgi_string, "");
|
|
1546
|
|
1547 hash.max_size = 512;
|
|
1548 hash.bucket_size = ngx_align(64, ngx_cacheline_size);
|
|
1549 hash.name = "uwsgi_hide_headers_hash";
|
|
1550
|
|
1551 #if (NGX_HTTP_CACHE)
|
|
1552
|
|
1553 hide = conf->upstream.cache ? ngx_http_uwsgi_hide_cache_headers:
|
|
1554 ngx_http_uwsgi_hide_headers;
|
|
1555 #else
|
|
1556
|
|
1557 hide = ngx_http_uwsgi_hide_headers;
|
|
1558
|
|
1559 #endif
|
|
1560
|
|
1561 if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream,
|
|
1562 &prev->upstream, hide, &hash)
|
|
1563 != NGX_OK)
|
|
1564 {
|
|
1565 return NGX_CONF_ERROR;
|
|
1566 }
|
|
1567
|
|
1568 if (conf->upstream.upstream == NULL) {
|
|
1569 conf->upstream.upstream = prev->upstream.upstream;
|
|
1570 }
|
|
1571
|
|
1572 if (conf->uwsgi_lengths == NULL) {
|
|
1573 conf->uwsgi_lengths = prev->uwsgi_lengths;
|
|
1574 conf->uwsgi_values = prev->uwsgi_values;
|
|
1575 }
|
|
1576
|
|
1577 ngx_conf_merge_uint_value(conf->modifier1, prev->modifier1, 0);
|
|
1578 ngx_conf_merge_uint_value(conf->modifier2, prev->modifier2, 0);
|
|
1579
|
|
1580 if (conf->params_source == NULL) {
|
|
1581 conf->flushes = prev->flushes;
|
|
1582 conf->params_len = prev->params_len;
|
|
1583 conf->params = prev->params;
|
|
1584 conf->params_source = prev->params_source;
|
|
1585 conf->headers_hash = prev->headers_hash;
|
|
1586
|
|
1587 #if (NGX_HTTP_CACHE)
|
|
1588
|
|
1589 if (conf->params_source == NULL) {
|
|
1590
|
|
1591 if ((conf->upstream.cache == NULL)
|
|
1592 == (prev->upstream.cache == NULL))
|
|
1593 {
|
|
1594 return NGX_CONF_OK;
|
|
1595 }
|
|
1596
|
|
1597 /* 6 is a number of ngx_http_uwsgi_cache_headers entries */
|
|
1598 conf->params_source = ngx_array_create(cf->pool, 6,
|
|
1599 sizeof(ngx_keyval_t));
|
|
1600 if (conf->params_source == NULL) {
|
|
1601 return NGX_CONF_ERROR;
|
|
1602 }
|
|
1603 }
|
|
1604 #else
|
|
1605
|
|
1606 if (conf->params_source == NULL) {
|
|
1607 return NGX_CONF_OK;
|
|
1608 }
|
|
1609
|
|
1610 #endif
|
|
1611 }
|
|
1612
|
|
1613 conf->params_len = ngx_array_create(cf->pool, 64, 1);
|
|
1614 if (conf->params_len == NULL) {
|
|
1615 return NGX_CONF_ERROR;
|
|
1616 }
|
|
1617
|
|
1618 conf->params = ngx_array_create(cf->pool, 512, 1);
|
|
1619 if (conf->params == NULL) {
|
|
1620 return NGX_CONF_ERROR;
|
|
1621 }
|
|
1622
|
|
1623 if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t))
|
|
1624 != NGX_OK)
|
|
1625 {
|
|
1626 return NGX_CONF_ERROR;
|
|
1627 }
|
|
1628
|
|
1629 src = conf->params_source->elts;
|
|
1630
|
|
1631 #if (NGX_HTTP_CACHE)
|
|
1632
|
|
1633 if (conf->upstream.cache) {
|
|
1634 ngx_keyval_t *h, *s;
|
|
1635
|
|
1636 for (h = ngx_http_uwsgi_cache_headers; h->key.len; h++) {
|
|
1637
|
|
1638 for (i = 0; i < conf->params_source->nelts; i++) {
|
|
1639 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
1640 goto next;
|
|
1641 }
|
|
1642 }
|
|
1643
|
|
1644 s = ngx_array_push(conf->params_source);
|
|
1645 if (s == NULL) {
|
|
1646 return NGX_CONF_ERROR;
|
|
1647 }
|
|
1648
|
|
1649 *s = *h;
|
|
1650
|
|
1651 src = conf->params_source->elts;
|
|
1652
|
|
1653 next:
|
|
1654
|
|
1655 h++;
|
|
1656 }
|
|
1657 }
|
|
1658
|
|
1659 #endif
|
|
1660
|
|
1661 for (i = 0; i < conf->params_source->nelts; i++) {
|
|
1662
|
|
1663 if (src[i].key.len > sizeof("HTTP_") - 1
|
|
1664 && ngx_strncmp(src[i].key.data, "HTTP_", sizeof("HTTP_") - 1) == 0)
|
|
1665 {
|
|
1666 hk = ngx_array_push(&headers_names);
|
|
1667 if (hk == NULL) {
|
|
1668 return NGX_CONF_ERROR;
|
|
1669 }
|
|
1670
|
|
1671 hk->key.len = src[i].key.len - 5;
|
|
1672 hk->key.data = src[i].key.data + 5;
|
|
1673 hk->key_hash = ngx_hash_key_lc(hk->key.data, hk->key.len);
|
|
1674 hk->value = (void *) 1;
|
|
1675
|
|
1676 if (src[i].value.len == 0) {
|
|
1677 continue;
|
|
1678 }
|
|
1679 }
|
|
1680
|
|
1681 copy = ngx_array_push_n(conf->params_len,
|
|
1682 sizeof(ngx_http_script_copy_code_t));
|
|
1683 if (copy == NULL) {
|
|
1684 return NGX_CONF_ERROR;
|
|
1685 }
|
|
1686
|
|
1687 copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code;
|
|
1688 copy->len = src[i].key.len;
|
|
1689
|
|
1690
|
|
1691 size = (sizeof(ngx_http_script_copy_code_t)
|
|
1692 + src[i].key.len + sizeof(uintptr_t) - 1)
|
|
1693 & ~(sizeof(uintptr_t) - 1);
|
|
1694
|
|
1695 copy = ngx_array_push_n(conf->params, size);
|
|
1696 if (copy == NULL) {
|
|
1697 return NGX_CONF_ERROR;
|
|
1698 }
|
|
1699
|
|
1700 copy->code = ngx_http_script_copy_code;
|
|
1701 copy->len = src[i].key.len;
|
|
1702
|
|
1703 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
1704 ngx_memcpy(p, src[i].key.data, src[i].key.len);
|
|
1705
|
|
1706
|
|
1707 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
1708
|
|
1709 sc.cf = cf;
|
|
1710 sc.source = &src[i].value;
|
|
1711 sc.flushes = &conf->flushes;
|
|
1712 sc.lengths = &conf->params_len;
|
|
1713 sc.values = &conf->params;
|
|
1714
|
|
1715 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
1716 return NGX_CONF_ERROR;
|
|
1717 }
|
|
1718
|
|
1719 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t));
|
|
1720 if (code == NULL) {
|
|
1721 return NGX_CONF_ERROR;
|
|
1722 }
|
|
1723
|
|
1724 *code = (uintptr_t) NULL;
|
|
1725
|
|
1726
|
|
1727 code = ngx_array_push_n(conf->params, sizeof(uintptr_t));
|
|
1728 if (code == NULL) {
|
|
1729 return NGX_CONF_ERROR;
|
|
1730 }
|
|
1731
|
|
1732 *code = (uintptr_t) NULL;
|
|
1733 }
|
|
1734
|
|
1735 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t));
|
|
1736 if (code == NULL) {
|
|
1737 return NGX_CONF_ERROR;
|
|
1738 }
|
|
1739
|
|
1740 *code = (uintptr_t) NULL;
|
|
1741
|
|
1742 conf->header_params = headers_names.nelts;
|
|
1743
|
|
1744 hash.hash = &conf->headers_hash;
|
|
1745 hash.key = ngx_hash_key_lc;
|
|
1746 hash.max_size = 512;
|
|
1747 hash.bucket_size = 64;
|
|
1748 hash.name = "uwsgi_params_hash";
|
|
1749 hash.pool = cf->pool;
|
|
1750 hash.temp_pool = NULL;
|
|
1751
|
|
1752 if (ngx_hash_init(&hash, headers_names.elts, headers_names.nelts) != NGX_OK)
|
|
1753 {
|
|
1754 return NGX_CONF_ERROR;
|
|
1755 }
|
|
1756
|
|
1757 return NGX_CONF_OK;
|
|
1758 }
|
|
1759
|
|
1760
|
|
1761 static char *
|
|
1762 ngx_http_uwsgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
1763 {
|
|
1764 ngx_http_uwsgi_loc_conf_t *uwcf = conf;
|
|
1765
|
|
1766 ngx_url_t u;
|
|
1767 ngx_str_t *value, *url;
|
|
1768 ngx_uint_t n;
|
|
1769 ngx_http_core_loc_conf_t *clcf;
|
|
1770 ngx_http_script_compile_t sc;
|
|
1771
|
|
1772 if (uwcf->upstream.upstream || uwcf->uwsgi_lengths) {
|
|
1773 return "is duplicate";
|
|
1774 }
|
|
1775
|
|
1776 clcf = ngx_http_conf_get_module_loc_conf (cf, ngx_http_core_module);
|
|
1777 clcf->handler = ngx_http_uwsgi_handler;
|
|
1778
|
|
1779 value = cf->args->elts;
|
|
1780
|
|
1781 url = &value[1];
|
|
1782
|
|
1783 n = ngx_http_script_variables_count(url);
|
|
1784
|
|
1785 if (n) {
|
|
1786
|
|
1787 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
1788
|
|
1789 sc.cf = cf;
|
|
1790 sc.source = url;
|
|
1791 sc.lengths = &uwcf->uwsgi_lengths;
|
|
1792 sc.values = &uwcf->uwsgi_values;
|
|
1793 sc.variables = n;
|
|
1794 sc.complete_lengths = 1;
|
|
1795 sc.complete_values = 1;
|
|
1796
|
|
1797 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
1798 return NGX_CONF_ERROR;
|
|
1799 }
|
|
1800
|
|
1801 return NGX_CONF_OK;
|
|
1802 }
|
|
1803
|
|
1804 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
1805
|
|
1806 u.url = value[1];
|
|
1807 u.no_resolve = 1;
|
|
1808
|
|
1809 uwcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
|
|
1810 if (uwcf->upstream.upstream == NULL) {
|
|
1811 return NGX_CONF_ERROR;
|
|
1812 }
|
|
1813
|
|
1814 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
1815 clcf->auto_redirect = 1;
|
|
1816 }
|
|
1817
|
|
1818 return NGX_CONF_OK;
|
|
1819 }
|
|
1820
|
|
1821
|
|
1822 static char *
|
|
1823 ngx_http_uwsgi_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
1824 {
|
|
1825 ngx_http_uwsgi_loc_conf_t *uwcf = conf;
|
|
1826
|
|
1827 ngx_str_t *value;
|
|
1828 ngx_http_script_compile_t sc;
|
|
1829
|
|
1830 if (uwcf->upstream.store != NGX_CONF_UNSET || uwcf->upstream.store_lengths)
|
|
1831 {
|
|
1832 return "is duplicate";
|
|
1833 }
|
|
1834
|
|
1835 value = cf->args->elts;
|
|
1836
|
|
1837 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
1838 uwcf->upstream.store = 0;
|
|
1839 return NGX_CONF_OK;
|
|
1840 }
|
|
1841
|
|
1842 #if (NGX_HTTP_CACHE)
|
|
1843
|
|
1844 if (uwcf->upstream.cache != NGX_CONF_UNSET_PTR
|
|
1845 && uwcf->upstream.cache != NULL)
|
|
1846 {
|
|
1847 return "is incompatible with \"uwsgi_cache\"";
|
|
1848 }
|
|
1849
|
|
1850 #endif
|
|
1851
|
|
1852 if (ngx_strcmp(value[1].data, "on") == 0) {
|
|
1853 uwcf->upstream.store = 1;
|
|
1854 return NGX_CONF_OK;
|
|
1855 }
|
|
1856
|
|
1857 /* include the terminating '\0' into script */
|
|
1858 value[1].len++;
|
|
1859
|
|
1860 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
1861
|
|
1862 sc.cf = cf;
|
|
1863 sc.source = &value[1];
|
|
1864 sc.lengths = &uwcf->upstream.store_lengths;
|
|
1865 sc.values = &uwcf->upstream.store_values;
|
|
1866 sc.variables = ngx_http_script_variables_count(&value[1]);;
|
|
1867 sc.complete_lengths = 1;
|
|
1868 sc.complete_values = 1;
|
|
1869
|
|
1870 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
1871 return NGX_CONF_ERROR;
|
|
1872 }
|
|
1873
|
|
1874 return NGX_CONF_OK;
|
|
1875 }
|
|
1876
|
|
1877
|
|
1878 #if (NGX_HTTP_CACHE)
|
|
1879
|
|
1880 static char *
|
|
1881 ngx_http_uwsgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
1882 {
|
|
1883 ngx_http_uwsgi_loc_conf_t *uwcf = conf;
|
|
1884
|
|
1885 ngx_str_t *value;
|
|
1886
|
|
1887 value = cf->args->elts;
|
|
1888
|
|
1889 if (uwcf->upstream.cache != NGX_CONF_UNSET_PTR) {
|
|
1890 return "is duplicate";
|
|
1891 }
|
|
1892
|
|
1893 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
1894 uwcf->upstream.cache = NULL;
|
|
1895 return NGX_CONF_OK;
|
|
1896 }
|
|
1897
|
|
1898 if (uwcf->upstream.store > 0 || uwcf->upstream.store_lengths) {
|
|
1899 return "is incompatible with \"uwsgi_store\"";
|
|
1900 }
|
|
1901
|
|
1902 uwcf->upstream.cache = ngx_shared_memory_add(cf, &value[1], 0,
|
|
1903 &ngx_http_uwsgi_module);
|
|
1904 if (uwcf->upstream.cache == NULL) {
|
|
1905 return NGX_CONF_ERROR;
|
|
1906 }
|
|
1907
|
|
1908 return NGX_CONF_OK;
|
|
1909 }
|
|
1910
|
|
1911
|
|
1912 static char *
|
|
1913 ngx_http_uwsgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
1914 {
|
|
1915 ngx_http_uwsgi_loc_conf_t *uwcf = conf;
|
|
1916
|
|
1917 ngx_str_t *value;
|
|
1918 ngx_http_compile_complex_value_t ccv;
|
|
1919
|
|
1920 value = cf->args->elts;
|
|
1921
|
|
1922 if (uwcf->cache_key.value.len) {
|
|
1923 return "is duplicate";
|
|
1924 }
|
|
1925
|
|
1926 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
|
|
1927
|
|
1928 ccv.cf = cf;
|
|
1929 ccv.value = &value[1];
|
|
1930 ccv.complex_value = &uwcf->cache_key;
|
|
1931
|
|
1932 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
|
|
1933 return NGX_CONF_ERROR;
|
|
1934 }
|
|
1935
|
|
1936 return NGX_CONF_OK;
|
|
1937 }
|
|
1938
|
|
1939 #endif
|