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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 * Copyright (C) Manlio Perillo (manlio.perillo@gmail.com)
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5 */
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6
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7
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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10 #include <ngx_http.h>
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11
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12
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13 typedef struct {
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14 ngx_http_upstream_conf_t upstream;
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15
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16 ngx_array_t *flushes;
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17 ngx_array_t *params_len;
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18 ngx_array_t *params;
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19 ngx_array_t *params_source;
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20
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21 ngx_hash_t headers_hash;
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22 ngx_uint_t header_params;
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23
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24 ngx_array_t *scgi_lengths;
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25 ngx_array_t *scgi_values;
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26
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27 #if (NGX_HTTP_CACHE)
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28 ngx_http_complex_value_t cache_key;
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29 #endif
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30 } ngx_http_scgi_loc_conf_t;
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31
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32
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33 static ngx_int_t ngx_http_scgi_eval(ngx_http_request_t *r,
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34 ngx_http_scgi_loc_conf_t *scf);
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35 static ngx_int_t ngx_http_scgi_create_request(ngx_http_request_t *r);
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36 static ngx_int_t ngx_http_scgi_reinit_request(ngx_http_request_t *r);
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37 static ngx_int_t ngx_http_scgi_process_status_line(ngx_http_request_t *r);
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38 static ngx_int_t ngx_http_scgi_process_header(ngx_http_request_t *r);
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39 static ngx_int_t ngx_http_scgi_process_header(ngx_http_request_t *r);
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40 static void ngx_http_scgi_abort_request(ngx_http_request_t *r);
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41 static void ngx_http_scgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc);
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42
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43 static void *ngx_http_scgi_create_loc_conf(ngx_conf_t *cf);
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44 static char *ngx_http_scgi_merge_loc_conf(ngx_conf_t *cf, void *parent,
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45 void *child);
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46
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47 static char *ngx_http_scgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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48 static char *ngx_http_scgi_store(ngx_conf_t *cf, ngx_command_t *cmd,
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49 void *conf);
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50
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51 #if (NGX_HTTP_CACHE)
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52 static ngx_int_t ngx_http_scgi_create_key(ngx_http_request_t *r);
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53 static char *ngx_http_scgi_cache(ngx_conf_t *cf, ngx_command_t *cmd,
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54 void *conf);
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55 static char *ngx_http_scgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd,
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56 void *conf);
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57 #endif
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58
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59
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60 static ngx_conf_bitmask_t ngx_http_scgi_next_upstream_masks[] = {
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61 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
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62 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
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63 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
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64 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
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65 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 },
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66 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
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67 { ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING },
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68 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF },
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69 { ngx_null_string, 0 }
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70 };
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71
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72
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73 static ngx_conf_bitmask_t ngx_http_scgi_ignore_headers_masks[] = {
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74 { ngx_string("X-Accel-Redirect"), NGX_HTTP_UPSTREAM_IGN_XA_REDIRECT },
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75 { ngx_string("X-Accel-Expires"), NGX_HTTP_UPSTREAM_IGN_XA_EXPIRES },
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76 { ngx_string("Expires"), NGX_HTTP_UPSTREAM_IGN_EXPIRES },
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77 { ngx_string("Cache-Control"), NGX_HTTP_UPSTREAM_IGN_CACHE_CONTROL },
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78 { ngx_null_string, 0 }
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79 };
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80
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81
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82 ngx_module_t ngx_http_scgi_module;
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83
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84
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85 static ngx_command_t ngx_http_scgi_commands[] = {
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86
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87 { ngx_string("scgi_pass"),
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88 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1,
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89 ngx_http_scgi_pass,
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90 NGX_HTTP_LOC_CONF_OFFSET,
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91 0,
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92 NULL },
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93
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94 { ngx_string("scgi_store"),
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95 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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96 ngx_http_scgi_store,
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97 NGX_HTTP_LOC_CONF_OFFSET,
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98 0,
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99 NULL },
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100
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101 { ngx_string("scgi_store_access"),
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102 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123,
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103 ngx_conf_set_access_slot,
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104 NGX_HTTP_LOC_CONF_OFFSET,
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105 offsetof(ngx_http_scgi_loc_conf_t, upstream.store_access),
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106 NULL },
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107
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108 { ngx_string("scgi_ignore_client_abort"),
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109 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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110 ngx_conf_set_flag_slot,
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111 NGX_HTTP_LOC_CONF_OFFSET,
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112 offsetof(ngx_http_scgi_loc_conf_t, upstream.ignore_client_abort),
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113 NULL },
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114
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115 { ngx_string("scgi_bind"),
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116 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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117 ngx_http_upstream_bind_set_slot,
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118 NGX_HTTP_LOC_CONF_OFFSET,
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119 offsetof(ngx_http_scgi_loc_conf_t, upstream.local),
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120 NULL },
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121
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122 { ngx_string("scgi_connect_timeout"),
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123 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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124 ngx_conf_set_msec_slot,
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125 NGX_HTTP_LOC_CONF_OFFSET,
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126 offsetof(ngx_http_scgi_loc_conf_t, upstream.connect_timeout),
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127 NULL },
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128
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129 { ngx_string("scgi_send_timeout"),
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130 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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131 ngx_conf_set_msec_slot,
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132 NGX_HTTP_LOC_CONF_OFFSET,
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133 offsetof(ngx_http_scgi_loc_conf_t, upstream.send_timeout),
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134 NULL },
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135
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136 { ngx_string("scgi_buffer_size"),
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137 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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138 ngx_conf_set_size_slot,
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139 NGX_HTTP_LOC_CONF_OFFSET,
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140 offsetof(ngx_http_scgi_loc_conf_t, upstream.buffer_size),
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141 NULL },
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142
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143 { ngx_string("scgi_pass_request_headers"),
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144 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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145 ngx_conf_set_flag_slot,
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146 NGX_HTTP_LOC_CONF_OFFSET,
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147 offsetof(ngx_http_scgi_loc_conf_t, upstream.pass_request_headers),
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148 NULL },
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149
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150 { ngx_string("scgi_pass_request_body"),
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151 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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152 ngx_conf_set_flag_slot,
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153 NGX_HTTP_LOC_CONF_OFFSET,
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154 offsetof(ngx_http_scgi_loc_conf_t, upstream.pass_request_body),
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155 NULL },
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156
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157 { ngx_string("scgi_intercept_errors"),
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158 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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159 ngx_conf_set_flag_slot,
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160 NGX_HTTP_LOC_CONF_OFFSET,
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161 offsetof(ngx_http_scgi_loc_conf_t, upstream.intercept_errors),
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162 NULL },
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163
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164 { ngx_string("scgi_read_timeout"),
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165 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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166 ngx_conf_set_msec_slot,
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167 NGX_HTTP_LOC_CONF_OFFSET,
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168 offsetof(ngx_http_scgi_loc_conf_t, upstream.read_timeout),
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169 NULL },
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170
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171 { ngx_string("scgi_buffers"),
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172 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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173 ngx_conf_set_bufs_slot,
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174 NGX_HTTP_LOC_CONF_OFFSET,
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175 offsetof(ngx_http_scgi_loc_conf_t, upstream.bufs),
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176 NULL },
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177
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178 { ngx_string("scgi_busy_buffers_size"),
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179 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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180 ngx_conf_set_size_slot,
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181 NGX_HTTP_LOC_CONF_OFFSET,
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182 offsetof(ngx_http_scgi_loc_conf_t, upstream.busy_buffers_size_conf),
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183 NULL },
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184
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185 #if (NGX_HTTP_CACHE)
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186
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187 { ngx_string("scgi_cache"),
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188 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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189 ngx_http_scgi_cache,
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190 NGX_HTTP_LOC_CONF_OFFSET,
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191 0,
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192 NULL },
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193
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194 { ngx_string("scgi_cache_key"),
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195 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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196 ngx_http_scgi_cache_key,
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197 NGX_HTTP_LOC_CONF_OFFSET,
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198 0,
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199 NULL },
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200
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201 { ngx_string("scgi_cache_path"),
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202 NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE,
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203 ngx_http_file_cache_set_slot,
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204 0,
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205 0,
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206 &ngx_http_scgi_module },
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207
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208 { ngx_string("scgi_no_cache"),
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209 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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210 ngx_http_no_cache_set_slot,
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211 NGX_HTTP_LOC_CONF_OFFSET,
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212 offsetof(ngx_http_scgi_loc_conf_t, upstream.no_cache),
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213 NULL },
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214
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215 { ngx_string("scgi_cache_valid"),
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216 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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217 ngx_http_file_cache_valid_set_slot,
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218 NGX_HTTP_LOC_CONF_OFFSET,
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219 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_valid),
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220 NULL },
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221
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222 { ngx_string("scgi_cache_min_uses"),
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223 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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224 ngx_conf_set_num_slot,
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225 NGX_HTTP_LOC_CONF_OFFSET,
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226 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_min_uses),
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227 NULL },
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228
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229 { ngx_string("scgi_cache_use_stale"),
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230 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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231 ngx_conf_set_bitmask_slot,
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232 NGX_HTTP_LOC_CONF_OFFSET,
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233 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_use_stale),
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234 &ngx_http_scgi_next_upstream_masks },
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235
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236 { ngx_string("scgi_cache_methods"),
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237 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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238 ngx_conf_set_bitmask_slot,
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239 NGX_HTTP_LOC_CONF_OFFSET,
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240 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_methods),
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241 &ngx_http_upstream_cache_method_mask },
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242
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243 #endif
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244
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245 { ngx_string("scgi_temp_path"),
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246 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
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247 ngx_conf_set_path_slot,
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248 NGX_HTTP_LOC_CONF_OFFSET,
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249 offsetof(ngx_http_scgi_loc_conf_t, upstream.temp_path),
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250 NULL },
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251
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252 { ngx_string("scgi_max_temp_file_size"),
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253 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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254 ngx_conf_set_size_slot,
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255 NGX_HTTP_LOC_CONF_OFFSET,
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256 offsetof(ngx_http_scgi_loc_conf_t, upstream.max_temp_file_size_conf),
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257 NULL },
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258
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259 { ngx_string("scgi_temp_file_write_size"),
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260 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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261 ngx_conf_set_size_slot,
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262 NGX_HTTP_LOC_CONF_OFFSET,
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263 offsetof(ngx_http_scgi_loc_conf_t, upstream.temp_file_write_size_conf),
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264 NULL },
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265
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266 { ngx_string("scgi_next_upstream"),
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267 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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268 ngx_conf_set_bitmask_slot,
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269 NGX_HTTP_LOC_CONF_OFFSET,
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270 offsetof(ngx_http_scgi_loc_conf_t, upstream.next_upstream),
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271 &ngx_http_scgi_next_upstream_masks },
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272
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273 { ngx_string("scgi_param"),
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274 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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275 ngx_conf_set_keyval_slot,
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276 NGX_HTTP_LOC_CONF_OFFSET,
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277 offsetof(ngx_http_scgi_loc_conf_t, params_source),
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278 NULL },
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279
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280 { ngx_string("scgi_pass_header"),
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281 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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282 ngx_conf_set_str_array_slot,
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283 NGX_HTTP_LOC_CONF_OFFSET,
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284 offsetof(ngx_http_scgi_loc_conf_t, upstream.pass_headers),
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285 NULL },
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286
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287 { ngx_string("scgi_hide_header"),
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288 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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289 ngx_conf_set_str_array_slot,
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290 NGX_HTTP_LOC_CONF_OFFSET,
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291 offsetof(ngx_http_scgi_loc_conf_t, upstream.hide_headers),
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292 NULL },
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293
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294 { ngx_string("scgi_ignore_headers"),
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295 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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296 ngx_conf_set_bitmask_slot,
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297 NGX_HTTP_LOC_CONF_OFFSET,
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298 offsetof(ngx_http_scgi_loc_conf_t, upstream.ignore_headers),
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299 &ngx_http_scgi_ignore_headers_masks },
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300
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301 ngx_null_command
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302 };
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303
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304
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305 static ngx_http_module_t ngx_http_scgi_module_ctx = {
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306 NULL, /* preconfiguration */
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307 NULL, /* postconfiguration */
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308
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309 NULL, /* create main configuration */
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310 NULL, /* init main configuration */
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311
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312 NULL, /* create server configuration */
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313 NULL, /* merge server configuration */
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314
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315 ngx_http_scgi_create_loc_conf, /* create location configuration */
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316 ngx_http_scgi_merge_loc_conf /* merge location configuration */
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317 };
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318
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319
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320 ngx_module_t ngx_http_scgi_module = {
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321 NGX_MODULE_V1,
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322 &ngx_http_scgi_module_ctx, /* module context */
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323 ngx_http_scgi_commands, /* module directives */
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324 NGX_HTTP_MODULE, /* module type */
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325 NULL, /* init master */
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326 NULL, /* init module */
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327 NULL, /* init process */
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328 NULL, /* init thread */
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329 NULL, /* exit thread */
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330 NULL, /* exit process */
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331 NULL, /* exit master */
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332 NGX_MODULE_V1_PADDING
|
|
|
333 };
|
|
|
334
|
|
|
335
|
|
|
336 static ngx_str_t ngx_http_scgi_hide_headers[] = {
|
|
|
337 ngx_string("Status"),
|
|
|
338 ngx_string("X-Accel-Expires"),
|
|
|
339 ngx_string("X-Accel-Redirect"),
|
|
|
340 ngx_string("X-Accel-Limit-Rate"),
|
|
|
341 ngx_string("X-Accel-Buffering"),
|
|
|
342 ngx_string("X-Accel-Charset"),
|
|
|
343 ngx_null_string
|
|
|
344 };
|
|
|
345
|
|
|
346
|
|
|
347 #if (NGX_HTTP_CACHE)
|
|
|
348
|
|
|
349 static ngx_str_t ngx_http_scgi_hide_cache_headers[] = {
|
|
|
350 ngx_string("Status"),
|
|
|
351 ngx_string("X-Accel-Expires"),
|
|
|
352 ngx_string("X-Accel-Redirect"),
|
|
|
353 ngx_string("X-Accel-Limit-Rate"),
|
|
|
354 ngx_string("X-Accel-Buffering"),
|
|
|
355 ngx_string("X-Accel-Charset"),
|
|
|
356 ngx_string("Set-Cookie"),
|
|
|
357 ngx_string("P3P"),
|
|
|
358 ngx_null_string
|
|
|
359 };
|
|
|
360
|
|
|
361
|
|
|
362 static ngx_keyval_t ngx_http_scgi_cache_headers[] = {
|
|
|
363 { ngx_string("HTTP_IF_MODIFIED_SINCE"), ngx_string("") },
|
|
|
364 { ngx_string("HTTP_IF_UNMODIFIED_SINCE"), ngx_string("") },
|
|
|
365 { ngx_string("HTTP_IF_NONE_MATCH"), ngx_string("") },
|
|
|
366 { ngx_string("HTTP_IF_MATCH"), ngx_string("") },
|
|
|
367 { ngx_string("HTTP_RANGE"), ngx_string("") },
|
|
|
368 { ngx_string("HTTP_IF_RANGE"), ngx_string("") },
|
|
|
369 { ngx_null_string, ngx_null_string }
|
|
|
370 };
|
|
|
371
|
|
|
372 #endif
|
|
|
373
|
|
|
374
|
|
|
375 static ngx_path_init_t ngx_http_scgi_temp_path = {
|
|
|
376 ngx_string(NGX_HTTP_SCGI_TEMP_PATH), { 1, 2, 0 }
|
|
|
377 };
|
|
|
378
|
|
|
379
|
|
|
380 static ngx_int_t
|
|
|
381 ngx_http_scgi_handler(ngx_http_request_t *r)
|
|
|
382 {
|
|
|
383 ngx_int_t rc;
|
|
|
384 ngx_http_status_t *status;
|
|
|
385 ngx_http_upstream_t *u;
|
|
|
386 ngx_http_scgi_loc_conf_t *scf;
|
|
|
387
|
|
|
388 if (r->subrequest_in_memory) {
|
|
|
389 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
390 "ngx_http_scgi_module does not support "
|
|
|
391 "subrequests in memory");
|
|
|
392 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
393 }
|
|
|
394
|
|
|
395 if (ngx_http_upstream_create(r) != NGX_OK) {
|
|
|
396 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
397 }
|
|
|
398
|
|
|
399 status = ngx_pcalloc(r->pool, sizeof(ngx_http_status_t));
|
|
|
400 if (status == NULL) {
|
|
|
401 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
402 }
|
|
|
403
|
|
|
404 ngx_http_set_ctx(r, status, ngx_http_scgi_module);
|
|
|
405
|
|
|
406 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module);
|
|
|
407
|
|
|
408 if (scf->scgi_lengths) {
|
|
|
409 if (ngx_http_scgi_eval(r, scf) != NGX_OK) {
|
|
|
410 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
411 }
|
|
|
412 }
|
|
|
413
|
|
|
414 u = r->upstream;
|
|
|
415
|
|
|
416 ngx_str_set(&u->schema, "scgi://");
|
|
|
417 u->output.tag = (ngx_buf_tag_t) &ngx_http_scgi_module;
|
|
|
418
|
|
|
419 u->conf = &scf->upstream;
|
|
|
420
|
|
|
421 #if (NGX_HTTP_CACHE)
|
|
|
422 u->create_key = ngx_http_scgi_create_key;
|
|
|
423 #endif
|
|
|
424 u->create_request = ngx_http_scgi_create_request;
|
|
|
425 u->reinit_request = ngx_http_scgi_reinit_request;
|
|
|
426 u->process_header = ngx_http_scgi_process_status_line;
|
|
|
427 u->abort_request = ngx_http_scgi_abort_request;
|
|
|
428 u->finalize_request = ngx_http_scgi_finalize_request;
|
|
|
429
|
|
|
430 u->buffering = 1;
|
|
|
431
|
|
|
432 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
|
|
|
433 if (u->pipe == NULL) {
|
|
|
434 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
435 }
|
|
|
436
|
|
|
437 u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
|
|
|
438 u->pipe->input_ctx = r;
|
|
|
439
|
|
|
440 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
|
441
|
|
|
442 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
|
443 return rc;
|
|
|
444 }
|
|
|
445
|
|
|
446 return NGX_DONE;
|
|
|
447 }
|
|
|
448
|
|
|
449
|
|
|
450 static ngx_int_t
|
|
|
451 ngx_http_scgi_eval(ngx_http_request_t *r, ngx_http_scgi_loc_conf_t * scf)
|
|
|
452 {
|
|
|
453 ngx_url_t url;
|
|
|
454 ngx_http_upstream_t *u;
|
|
|
455
|
|
|
456 ngx_memzero(&url, sizeof(ngx_url_t));
|
|
|
457
|
|
|
458 if (ngx_http_script_run(r, &url.url, scf->scgi_lengths->elts, 0,
|
|
|
459 scf->scgi_values->elts)
|
|
|
460 == NULL)
|
|
|
461 {
|
|
|
462 return NGX_ERROR;
|
|
|
463 }
|
|
|
464
|
|
|
465 url.no_resolve = 1;
|
|
|
466
|
|
|
467 if (ngx_parse_url(r->pool, &url) != NGX_OK) {
|
|
|
468 if (url.err) {
|
|
|
469 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
470 "%s in upstream \"%V\"", url.err, &url.url);
|
|
|
471 }
|
|
|
472
|
|
|
473 return NGX_ERROR;
|
|
|
474 }
|
|
|
475
|
|
|
476 if (url.no_port) {
|
|
|
477 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
478 "no port in upstream \"%V\"", &url.url);
|
|
|
479 return NGX_ERROR;
|
|
|
480 }
|
|
|
481
|
|
|
482 u = r->upstream;
|
|
|
483
|
|
|
484 u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t));
|
|
|
485 if (u->resolved == NULL) {
|
|
|
486 return NGX_ERROR;
|
|
|
487 }
|
|
|
488
|
|
|
489 if (url.addrs && url.addrs[0].sockaddr) {
|
|
|
490 u->resolved->sockaddr = url.addrs[0].sockaddr;
|
|
|
491 u->resolved->socklen = url.addrs[0].socklen;
|
|
|
492 u->resolved->naddrs = 1;
|
|
|
493 u->resolved->host = url.addrs[0].name;
|
|
|
494
|
|
|
495 } else {
|
|
|
496 u->resolved->host = url.host;
|
|
|
497 u->resolved->port = url.port;
|
|
|
498 }
|
|
|
499
|
|
|
500 return NGX_OK;
|
|
|
501 }
|
|
|
502
|
|
|
503
|
|
|
504 #if (NGX_HTTP_CACHE)
|
|
|
505
|
|
|
506 static ngx_int_t
|
|
|
507 ngx_http_scgi_create_key(ngx_http_request_t *r)
|
|
|
508 {
|
|
|
509 ngx_str_t *key;
|
|
|
510 ngx_http_scgi_loc_conf_t *scf;
|
|
|
511
|
|
|
512 key = ngx_array_push(&r->cache->keys);
|
|
|
513 if (key == NULL) {
|
|
|
514 return NGX_ERROR;
|
|
|
515 }
|
|
|
516
|
|
|
517 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module);
|
|
|
518
|
|
|
519 if (ngx_http_complex_value(r, &scf->cache_key, key) != NGX_OK) {
|
|
|
520 return NGX_ERROR;
|
|
|
521 }
|
|
|
522
|
|
|
523 return NGX_OK;
|
|
|
524 }
|
|
|
525
|
|
|
526 #endif
|
|
|
527
|
|
|
528
|
|
|
529 static ngx_int_t
|
|
|
530 ngx_http_scgi_create_request(ngx_http_request_t *r)
|
|
|
531 {
|
|
|
532 u_char ch, *key, *val, *lowcase_key;
|
|
|
533 size_t len, allocated;
|
|
|
534 ngx_buf_t *b;
|
|
|
535 ngx_str_t *content_length;
|
|
|
536 ngx_uint_t i, n, hash, header_params;
|
|
|
537 ngx_chain_t *cl, *body;
|
|
|
538 ngx_list_part_t *part;
|
|
|
539 ngx_table_elt_t *header, **ignored;
|
|
|
540 ngx_http_script_code_pt code;
|
|
|
541 ngx_http_script_engine_t e, le;
|
|
|
542 ngx_http_scgi_loc_conf_t *scf;
|
|
|
543 ngx_http_script_len_code_pt lcode;
|
|
|
544 static ngx_str_t zero = ngx_string("0");
|
|
|
545
|
|
|
546 content_length = r->headers_in.content_length ?
|
|
|
547 &r->headers_in.content_length->value : &zero;
|
|
|
548
|
|
|
549 len = sizeof("CONTENT_LENGTH") + content_length->len + 1;
|
|
|
550
|
|
|
551 header_params = 0;
|
|
|
552 ignored = NULL;
|
|
|
553
|
|
|
554 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module);
|
|
|
555
|
|
|
556 if (scf->params_len) {
|
|
|
557 ngx_memzero(&le, sizeof(ngx_http_script_engine_t));
|
|
|
558
|
|
|
559 ngx_http_script_flush_no_cacheable_variables(r, scf->flushes);
|
|
|
560 le.flushed = 1;
|
|
|
561
|
|
|
562 le.ip = scf->params_len->elts;
|
|
|
563 le.request = r;
|
|
|
564
|
|
|
565 while (*(uintptr_t *) le.ip) {
|
|
|
566
|
|
|
567 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
568 len += lcode(&le);
|
|
|
569
|
|
|
570 while (*(uintptr_t *) le.ip) {
|
|
|
571 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
572 len += lcode(&le) + 1;
|
|
|
573 }
|
|
|
574 le.ip += sizeof(uintptr_t);
|
|
|
575 }
|
|
|
576 }
|
|
|
577
|
|
|
578 if (scf->upstream.pass_request_headers) {
|
|
|
579
|
|
|
580 allocated = 0;
|
|
|
581 lowcase_key = NULL;
|
|
|
582
|
|
|
583 if (scf->header_params) {
|
|
|
584 ignored = ngx_palloc(r->pool, scf->header_params * sizeof(void *));
|
|
|
585 if (ignored == NULL) {
|
|
|
586 return NGX_ERROR;
|
|
|
587 }
|
|
|
588 }
|
|
|
589
|
|
|
590 part = &r->headers_in.headers.part;
|
|
|
591 header = part->elts;
|
|
|
592
|
|
|
593 for (i = 0; /* void */; i++) {
|
|
|
594
|
|
|
595 if (i >= part->nelts) {
|
|
|
596 if (part->next == NULL) {
|
|
|
597 break;
|
|
|
598 }
|
|
|
599
|
|
|
600 part = part->next;
|
|
|
601 header = part->elts;
|
|
|
602 i = 0;
|
|
|
603 }
|
|
|
604
|
|
|
605 if (scf->header_params) {
|
|
|
606 if (allocated < header[i].key.len) {
|
|
|
607 allocated = header[i].key.len + 16;
|
|
|
608 lowcase_key = ngx_pnalloc(r->pool, allocated);
|
|
|
609 if (lowcase_key == NULL) {
|
|
|
610 return NGX_ERROR;
|
|
|
611 }
|
|
|
612 }
|
|
|
613
|
|
|
614 hash = 0;
|
|
|
615
|
|
|
616 for (n = 0; n < header[i].key.len; n++) {
|
|
|
617 ch = header[i].key.data[n];
|
|
|
618
|
|
|
619 if (ch >= 'A' && ch <= 'Z') {
|
|
|
620 ch |= 0x20;
|
|
|
621
|
|
|
622 } else if (ch == '-') {
|
|
|
623 ch = '_';
|
|
|
624 }
|
|
|
625
|
|
|
626 hash = ngx_hash(hash, ch);
|
|
|
627 lowcase_key[n] = ch;
|
|
|
628 }
|
|
|
629
|
|
|
630 if (ngx_hash_find(&scf->headers_hash, hash, lowcase_key, n)) {
|
|
|
631 ignored[header_params++] = &header[i];
|
|
|
632 continue;
|
|
|
633 }
|
|
|
634 }
|
|
|
635
|
|
|
636 len += sizeof("HTTP_") - 1 + header[i].key.len + 1
|
|
|
637 + header[i].value.len + 1;
|
|
|
638 }
|
|
|
639 }
|
|
|
640
|
|
|
641 /* netstring: "length:" + packet + "," */
|
|
|
642
|
|
|
643 b = ngx_create_temp_buf(r->pool, NGX_SIZE_T_LEN + 1 + len + 1);
|
|
|
644 if (b == NULL) {
|
|
|
645 return NGX_ERROR;
|
|
|
646 }
|
|
|
647
|
|
|
648 cl = ngx_alloc_chain_link(r->pool);
|
|
|
649 if (cl == NULL) {
|
|
|
650 return NGX_ERROR;
|
|
|
651 }
|
|
|
652
|
|
|
653 cl->buf = b;
|
|
|
654
|
|
|
655 b->last = ngx_snprintf(b->last,
|
|
|
656 NGX_SIZE_T_LEN + 1 + sizeof("CONTENT_LENGTH")
|
|
|
657 + NGX_OFF_T_LEN + 1,
|
|
|
658 "%ui:CONTENT_LENGTH%Z%V%Z",
|
|
|
659 len, content_length);
|
|
|
660
|
|
|
661 if (scf->params_len) {
|
|
|
662 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
663
|
|
|
664 e.ip = scf->params->elts;
|
|
|
665 e.pos = b->last;
|
|
|
666 e.request = r;
|
|
|
667 e.flushed = 1;
|
|
|
668
|
|
|
669 while (*(uintptr_t *) e.ip) {
|
|
|
670
|
|
|
671 #if (NGX_DEBUG)
|
|
|
672 key = e.pos;
|
|
|
673 #endif
|
|
|
674 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
675 code((ngx_http_script_engine_t *) & e);
|
|
|
676
|
|
|
677 #if (NGX_DEBUG)
|
|
|
678 val = e.pos;
|
|
|
679 #endif
|
|
|
680 while (*(uintptr_t *) e.ip) {
|
|
|
681 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
682 code((ngx_http_script_engine_t *) &e);
|
|
|
683 }
|
|
|
684 *e.pos++ = '\0';
|
|
|
685 e.ip += sizeof(uintptr_t);
|
|
|
686
|
|
|
687 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
688 "scgi param: \"%s: %s\"", key, val);
|
|
|
689 }
|
|
|
690
|
|
|
691 b->last = e.pos;
|
|
|
692 }
|
|
|
693
|
|
|
694 if (scf->upstream.pass_request_headers) {
|
|
|
695
|
|
|
696 part = &r->headers_in.headers.part;
|
|
|
697 header = part->elts;
|
|
|
698
|
|
|
699 for (i = 0; /* void */; i++) {
|
|
|
700
|
|
|
701 if (i >= part->nelts) {
|
|
|
702 if (part->next == NULL) {
|
|
|
703 break;
|
|
|
704 }
|
|
|
705
|
|
|
706 part = part->next;
|
|
|
707 header = part->elts;
|
|
|
708 i = 0;
|
|
|
709 }
|
|
|
710
|
|
|
711 for (n = 0; n < header_params; n++) {
|
|
|
712 if (&header[i] == ignored[n]) {
|
|
|
713 goto next;
|
|
|
714 }
|
|
|
715 }
|
|
|
716
|
|
|
717 key = b->last;
|
|
|
718 b->last = ngx_cpymem(key, "HTTP_", sizeof("HTTP_") - 1);
|
|
|
719
|
|
|
720 for (n = 0; n < header[i].key.len; n++) {
|
|
|
721 ch = header[i].key.data[n];
|
|
|
722
|
|
|
723 if (ch >= 'a' && ch <= 'z') {
|
|
|
724 ch &= ~0x20;
|
|
|
725
|
|
|
726 } else if (ch == '-') {
|
|
|
727 ch = '_';
|
|
|
728 }
|
|
|
729
|
|
|
730 *b->last++ = ch;
|
|
|
731 }
|
|
|
732
|
|
|
733 *b->last++ = (u_char) 0;
|
|
|
734
|
|
|
735 val = b->last;
|
|
|
736 b->last = ngx_copy(val, header[i].value.data, header[i].value.len);
|
|
|
737 *b->last++ = (u_char) 0;
|
|
|
738
|
|
|
739 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
740 "scgi param: \"%s: %s\"", key, val);
|
|
|
741
|
|
|
742 next:
|
|
|
743
|
|
|
744 continue;
|
|
|
745 }
|
|
|
746 }
|
|
|
747
|
|
|
748 *b->last++ = (u_char) ',';
|
|
|
749
|
|
|
750 if (scf->upstream.pass_request_body) {
|
|
|
751 body = r->upstream->request_bufs;
|
|
|
752 r->upstream->request_bufs = cl;
|
|
|
753
|
|
|
754 while (body) {
|
|
|
755 b = ngx_alloc_buf(r->pool);
|
|
|
756 if (b == NULL) {
|
|
|
757 return NGX_ERROR;
|
|
|
758 }
|
|
|
759
|
|
|
760 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
761
|
|
|
762 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
763 if (cl->next == NULL) {
|
|
|
764 return NGX_ERROR;
|
|
|
765 }
|
|
|
766
|
|
|
767 cl = cl->next;
|
|
|
768 cl->buf = b;
|
|
|
769
|
|
|
770 body = body->next;
|
|
|
771 }
|
|
|
772
|
|
|
773 } else {
|
|
|
774 r->upstream->request_bufs = cl;
|
|
|
775 }
|
|
|
776
|
|
|
777 cl->next = NULL;
|
|
|
778
|
|
|
779 return NGX_OK;
|
|
|
780 }
|
|
|
781
|
|
|
782
|
|
|
783 static ngx_int_t
|
|
|
784 ngx_http_scgi_reinit_request(ngx_http_request_t *r)
|
|
|
785 {
|
|
|
786 ngx_http_status_t *status;
|
|
|
787
|
|
|
788 status = ngx_http_get_module_ctx(r, ngx_http_scgi_module);
|
|
|
789
|
|
|
790 if (status == NULL) {
|
|
|
791 return NGX_OK;
|
|
|
792 }
|
|
|
793
|
|
|
794 status->code = 0;
|
|
|
795 status->count = 0;
|
|
|
796 status->start = NULL;
|
|
|
797 status->end = NULL;
|
|
|
798
|
|
|
799 r->upstream->process_header = ngx_http_scgi_process_status_line;
|
|
|
800
|
|
|
801 return NGX_OK;
|
|
|
802 }
|
|
|
803
|
|
|
804
|
|
|
805 static ngx_int_t
|
|
|
806 ngx_http_scgi_process_status_line(ngx_http_request_t *r)
|
|
|
807 {
|
|
|
808 size_t len;
|
|
|
809 ngx_int_t rc;
|
|
|
810 ngx_http_status_t *status;
|
|
|
811 ngx_http_upstream_t *u;
|
|
|
812
|
|
|
813 status = ngx_http_get_module_ctx(r, ngx_http_scgi_module);
|
|
|
814
|
|
|
815 if (status == NULL) {
|
|
|
816 return NGX_ERROR;
|
|
|
817 }
|
|
|
818
|
|
|
819 u = r->upstream;
|
|
|
820
|
|
|
821 rc = ngx_http_parse_status_line(r, &u->buffer, status);
|
|
|
822
|
|
|
823 if (rc == NGX_AGAIN) {
|
|
|
824 return rc;
|
|
|
825 }
|
|
|
826
|
|
|
827 if (rc == NGX_ERROR) {
|
|
|
828
|
|
|
829 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
830
|
|
|
831 u->process_header = ngx_http_scgi_process_header;
|
|
|
832
|
|
|
833 return ngx_http_scgi_process_header(r);
|
|
|
834 }
|
|
|
835
|
|
|
836 if (u->state) {
|
|
|
837 u->state->status = status->code;
|
|
|
838 }
|
|
|
839
|
|
|
840 u->headers_in.status_n = status->code;
|
|
|
841
|
|
|
842 len = status->end - status->start;
|
|
|
843 u->headers_in.status_line.len = len;
|
|
|
844
|
|
|
845 u->headers_in.status_line.data = ngx_pnalloc(r->pool, len);
|
|
|
846 if (u->headers_in.status_line.data == NULL) {
|
|
|
847 return NGX_ERROR;
|
|
|
848 }
|
|
|
849
|
|
|
850 ngx_memcpy(u->headers_in.status_line.data, status->start, len);
|
|
|
851
|
|
|
852 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
853 "http scgi status %ui \"%V\"",
|
|
|
854 u->headers_in.status_n, &u->headers_in.status_line);
|
|
|
855
|
|
|
856 u->process_header = ngx_http_scgi_process_header;
|
|
|
857
|
|
|
858 return ngx_http_scgi_process_header(r);
|
|
|
859 }
|
|
|
860
|
|
|
861
|
|
|
862 static ngx_int_t
|
|
|
863 ngx_http_scgi_process_header(ngx_http_request_t *r)
|
|
|
864 {
|
|
|
865 ngx_str_t *status_line;
|
|
|
866 ngx_int_t rc, status;
|
|
|
867 ngx_table_elt_t *h;
|
|
|
868 ngx_http_upstream_t *u;
|
|
|
869 ngx_http_upstream_header_t *hh;
|
|
|
870 ngx_http_upstream_main_conf_t *umcf;
|
|
|
871
|
|
|
872 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
873
|
|
|
874 for ( ;; ) {
|
|
|
875
|
|
|
876 rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1);
|
|
|
877
|
|
|
878 if (rc == NGX_OK) {
|
|
|
879
|
|
|
880 /* a header line has been parsed successfully */
|
|
|
881
|
|
|
882 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
883 if (h == NULL) {
|
|
|
884 return NGX_ERROR;
|
|
|
885 }
|
|
|
886
|
|
|
887 h->hash = r->header_hash;
|
|
|
888
|
|
|
889 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
890 h->value.len = r->header_end - r->header_start;
|
|
|
891
|
|
|
892 h->key.data = ngx_pnalloc(r->pool,
|
|
|
893 h->key.len + 1 + h->value.len + 1
|
|
|
894 + h->key.len);
|
|
|
895 if (h->key.data == NULL) {
|
|
|
896 return NGX_ERROR;
|
|
|
897 }
|
|
|
898
|
|
|
899 h->value.data = h->key.data + h->key.len + 1;
|
|
|
900 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1;
|
|
|
901
|
|
|
902 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
|
903 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
|
904
|
|
|
905 if (h->key.len == r->lowcase_index) {
|
|
|
906 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
907
|
|
|
908 } else {
|
|
|
909 ngx_strlow(h->lowcase_key, h->key.data, h->key.len);
|
|
|
910 }
|
|
|
911
|
|
|
912 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash,
|
|
|
913 h->lowcase_key, h->key.len);
|
|
|
914
|
|
|
915 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
|
916 return NGX_ERROR;
|
|
|
917 }
|
|
|
918
|
|
|
919 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
920 "http scgi header: \"%V: %V\"", &h->key, &h->value);
|
|
|
921
|
|
|
922 continue;
|
|
|
923 }
|
|
|
924
|
|
|
925 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
|
926
|
|
|
927 /* a whole header has been parsed successfully */
|
|
|
928
|
|
|
929 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
930 "http scgi header done");
|
|
|
931
|
|
|
932 if (r->http_version > NGX_HTTP_VERSION_9) {
|
|
|
933 return NGX_OK;
|
|
|
934 }
|
|
|
935
|
|
|
936 u = r->upstream;
|
|
|
937
|
|
|
938 if (u->headers_in.status) {
|
|
|
939 status_line = &u->headers_in.status->value;
|
|
|
940
|
|
|
941 status = ngx_atoi(status_line->data, 3);
|
|
|
942 if (status == NGX_ERROR) {
|
|
|
943 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
944 "upstream sent invalid status \"%V\"",
|
|
|
945 status_line);
|
|
|
946 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
947 }
|
|
|
948
|
|
|
949 r->http_version = NGX_HTTP_VERSION_10;
|
|
|
950 u->headers_in.status_n = status;
|
|
|
951 u->headers_in.status_line = *status_line;
|
|
|
952
|
|
|
953 } else if (u->headers_in.location) {
|
|
|
954 r->http_version = NGX_HTTP_VERSION_10;
|
|
|
955 u->headers_in.status_n = 302;
|
|
|
956 ngx_str_set(&u->headers_in.status_line,
|
|
|
957 "302 Moved Temporarily");
|
|
|
958
|
|
|
959 } else {
|
|
|
960 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
961 "upstream sent neither valid HTTP/1.0 header "
|
|
|
962 "nor \"Status\" header line");
|
|
|
963 u->headers_in.status_n = 200;
|
|
|
964 ngx_str_set(&u->headers_in.status_line, "200 OK");
|
|
|
965 }
|
|
|
966
|
|
|
967 if (u->state) {
|
|
|
968 u->state->status = u->headers_in.status_n;
|
|
|
969 }
|
|
|
970
|
|
|
971 return NGX_OK;
|
|
|
972 }
|
|
|
973
|
|
|
974 if (rc == NGX_AGAIN) {
|
|
|
975 return NGX_AGAIN;
|
|
|
976 }
|
|
|
977
|
|
|
978 /* there was error while a header line parsing */
|
|
|
979
|
|
|
980 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
981 "upstream sent invalid header");
|
|
|
982
|
|
|
983 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
984 }
|
|
|
985 }
|
|
|
986
|
|
|
987
|
|
|
988 static void
|
|
|
989 ngx_http_scgi_abort_request(ngx_http_request_t *r)
|
|
|
990 {
|
|
|
991 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
992 "abort http scgi request");
|
|
|
993
|
|
|
994 return;
|
|
|
995 }
|
|
|
996
|
|
|
997
|
|
|
998 static void
|
|
|
999 ngx_http_scgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
|
1000 {
|
|
|
1001 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1002 "finalize http scgi request");
|
|
|
1003
|
|
|
1004 return;
|
|
|
1005 }
|
|
|
1006
|
|
|
1007
|
|
|
1008 static void *
|
|
|
1009 ngx_http_scgi_create_loc_conf(ngx_conf_t *cf)
|
|
|
1010 {
|
|
|
1011 ngx_http_scgi_loc_conf_t *conf;
|
|
|
1012
|
|
|
1013 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_scgi_loc_conf_t));
|
|
|
1014 if (conf == NULL) {
|
|
|
1015 return NULL;
|
|
|
1016 }
|
|
|
1017
|
|
|
1018 conf->upstream.store = NGX_CONF_UNSET;
|
|
|
1019 conf->upstream.store_access = NGX_CONF_UNSET_UINT;
|
|
|
1020 conf->upstream.buffering = NGX_CONF_UNSET;
|
|
|
1021 conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
|
|
|
1022
|
|
|
1023 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1024 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1025 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1026
|
|
|
1027 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
|
1028 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
|
1029
|
|
|
1030 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
|
1031 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
|
1032 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
|
1033
|
|
|
1034 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
|
1035 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
|
1036
|
|
|
1037 #if (NGX_HTTP_CACHE)
|
|
|
1038 conf->upstream.cache = NGX_CONF_UNSET_PTR;
|
|
|
1039 conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT;
|
|
|
1040 conf->upstream.cache_valid = NGX_CONF_UNSET_PTR;
|
|
|
1041 #endif
|
|
|
1042
|
|
|
1043 conf->upstream.hide_headers = NGX_CONF_UNSET_PTR;
|
|
|
1044 conf->upstream.pass_headers = NGX_CONF_UNSET_PTR;
|
|
|
1045
|
|
|
1046 conf->upstream.intercept_errors = NGX_CONF_UNSET;
|
|
|
1047
|
|
|
1048 /* "scgi_cyclic_temp_file" is disabled */
|
|
|
1049 conf->upstream.cyclic_temp_file = 0;
|
|
|
1050
|
|
|
1051 return conf;
|
|
|
1052 }
|
|
|
1053
|
|
|
1054
|
|
|
1055 static char *
|
|
|
1056 ngx_http_scgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1057 {
|
|
|
1058 ngx_http_scgi_loc_conf_t *prev = parent;
|
|
|
1059 ngx_http_scgi_loc_conf_t *conf = child;
|
|
|
1060
|
|
|
1061 u_char *p;
|
|
|
1062 size_t size;
|
|
|
1063 uintptr_t *code;
|
|
|
1064 ngx_str_t *hide;
|
|
|
1065 ngx_uint_t i;
|
|
|
1066 ngx_array_t headers_names;
|
|
|
1067 ngx_keyval_t *src;
|
|
|
1068 ngx_hash_key_t *hk;
|
|
|
1069 ngx_hash_init_t hash;
|
|
|
1070 ngx_http_script_compile_t sc;
|
|
|
1071 ngx_http_script_copy_code_t *copy;
|
|
|
1072
|
|
|
1073 if (conf->upstream.store != 0) {
|
|
|
1074 ngx_conf_merge_value(conf->upstream.store, prev->upstream.store, 0);
|
|
|
1075
|
|
|
1076 if (conf->upstream.store_lengths == NULL) {
|
|
|
1077 conf->upstream.store_lengths = prev->upstream.store_lengths;
|
|
|
1078 conf->upstream.store_values = prev->upstream.store_values;
|
|
|
1079 }
|
|
|
1080 }
|
|
|
1081
|
|
|
1082 ngx_conf_merge_uint_value(conf->upstream.store_access,
|
|
|
1083 prev->upstream.store_access, 0600);
|
|
|
1084
|
|
|
1085 ngx_conf_merge_value(conf->upstream.buffering,
|
|
|
1086 prev->upstream.buffering, 1);
|
|
|
1087
|
|
|
1088 ngx_conf_merge_value(conf->upstream.ignore_client_abort,
|
|
|
1089 prev->upstream.ignore_client_abort, 0);
|
|
|
1090
|
|
|
1091 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
1092 prev->upstream.connect_timeout, 60000);
|
|
|
1093
|
|
|
1094 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
1095 prev->upstream.send_timeout, 60000);
|
|
|
1096
|
|
|
1097 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
1098 prev->upstream.read_timeout, 60000);
|
|
|
1099
|
|
|
1100 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
|
1101 prev->upstream.send_lowat, 0);
|
|
|
1102
|
|
|
1103 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
|
1104 prev->upstream.buffer_size,
|
|
|
1105 (size_t) ngx_pagesize);
|
|
|
1106
|
|
|
1107
|
|
|
1108 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
|
1109 8, ngx_pagesize);
|
|
|
1110
|
|
|
1111 if (conf->upstream.bufs.num < 2) {
|
|
|
1112 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1113 "there must be at least 2 \"scgi_buffers\"");
|
|
|
1114 return NGX_CONF_ERROR;
|
|
|
1115 }
|
|
|
1116
|
|
|
1117
|
|
|
1118 size = conf->upstream.buffer_size;
|
|
|
1119 if (size < conf->upstream.bufs.size) {
|
|
|
1120 size = conf->upstream.bufs.size;
|
|
|
1121 }
|
|
|
1122
|
|
|
1123
|
|
|
1124 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
|
1125 prev->upstream.busy_buffers_size_conf,
|
|
|
1126 NGX_CONF_UNSET_SIZE);
|
|
|
1127
|
|
|
1128 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
|
1129 conf->upstream.busy_buffers_size = 2 * size;
|
|
|
1130 } else {
|
|
|
1131 conf->upstream.busy_buffers_size =
|
|
|
1132 conf->upstream.busy_buffers_size_conf;
|
|
|
1133 }
|
|
|
1134
|
|
|
1135 if (conf->upstream.busy_buffers_size < size) {
|
|
|
1136 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1137 "\"scgi_busy_buffers_size\" must be equal or bigger "
|
|
|
1138 "than maximum of the value of \"scgi_buffer_size\" and "
|
|
|
1139 "one of the \"scgi_buffers\"");
|
|
|
1140
|
|
|
1141 return NGX_CONF_ERROR;
|
|
|
1142 }
|
|
|
1143
|
|
|
1144 if (conf->upstream.busy_buffers_size
|
|
|
1145 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
|
1146 {
|
|
|
1147 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1148 "\"scgi_busy_buffers_size\" must be less than "
|
|
|
1149 "the size of all \"scgi_buffers\" minus one buffer");
|
|
|
1150
|
|
|
1151 return NGX_CONF_ERROR;
|
|
|
1152 }
|
|
|
1153
|
|
|
1154
|
|
|
1155 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
|
1156 prev->upstream.temp_file_write_size_conf,
|
|
|
1157 NGX_CONF_UNSET_SIZE);
|
|
|
1158
|
|
|
1159 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
|
1160 conf->upstream.temp_file_write_size = 2 * size;
|
|
|
1161 } else {
|
|
|
1162 conf->upstream.temp_file_write_size =
|
|
|
1163 conf->upstream.temp_file_write_size_conf;
|
|
|
1164 }
|
|
|
1165
|
|
|
1166 if (conf->upstream.temp_file_write_size < size) {
|
|
|
1167 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1168 "\"scgi_temp_file_write_size\" must be equal or bigger than "
|
|
|
1169 "maximum of the value of \"scgi_buffer_size\" and "
|
|
|
1170 "one of the \"scgi_buffers\"");
|
|
|
1171
|
|
|
1172 return NGX_CONF_ERROR;
|
|
|
1173 }
|
|
|
1174
|
|
|
1175
|
|
|
1176 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
|
1177 prev->upstream.max_temp_file_size_conf,
|
|
|
1178 NGX_CONF_UNSET_SIZE);
|
|
|
1179
|
|
|
1180 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
|
1181 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
|
1182 } else {
|
|
|
1183 conf->upstream.max_temp_file_size =
|
|
|
1184 conf->upstream.max_temp_file_size_conf;
|
|
|
1185 }
|
|
|
1186
|
|
|
1187 if (conf->upstream.max_temp_file_size != 0
|
|
|
1188 && conf->upstream.max_temp_file_size < size) {
|
|
|
1189 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1190 "\"scgi_max_temp_file_size\" must be equal to zero to disable "
|
|
|
1191 "the temporary files usage or must be equal or bigger than "
|
|
|
1192 "maximum of the value of \"scgi_buffer_size\" and "
|
|
|
1193 "one of the \"scgi_buffers\"");
|
|
|
1194
|
|
|
1195 return NGX_CONF_ERROR;
|
|
|
1196 }
|
|
|
1197
|
|
|
1198
|
|
|
1199 ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers,
|
|
|
1200 prev->upstream.ignore_headers,
|
|
|
1201 NGX_CONF_BITMASK_SET);
|
|
|
1202
|
|
|
1203
|
|
|
1204 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
1205 prev->upstream.next_upstream,
|
|
|
1206 (NGX_CONF_BITMASK_SET
|
|
|
1207 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
1208 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
1209
|
|
|
1210 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
1211 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
|
|
|
1212 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
1213 }
|
|
|
1214
|
|
|
1215 if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path,
|
|
|
1216 prev->upstream.temp_path,
|
|
|
1217 &ngx_http_scgi_temp_path)
|
|
|
1218 != NGX_OK)
|
|
|
1219 {
|
|
|
1220 return NGX_CONF_ERROR;
|
|
|
1221 }
|
|
|
1222
|
|
|
1223 #if (NGX_HTTP_CACHE)
|
|
|
1224
|
|
|
1225 ngx_conf_merge_ptr_value(conf->upstream.cache,
|
|
|
1226 prev->upstream.cache, NULL);
|
|
|
1227
|
|
|
1228 if (conf->upstream.cache && conf->upstream.cache->data == NULL) {
|
|
|
1229 ngx_shm_zone_t *shm_zone;
|
|
|
1230
|
|
|
1231 shm_zone = conf->upstream.cache;
|
|
|
1232
|
|
|
1233 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1234 "\"scgi_cache\" zone \"%V\" is unknown",
|
|
|
1235 &shm_zone->shm.name);
|
|
|
1236
|
|
|
1237 return NGX_CONF_ERROR;
|
|
|
1238 }
|
|
|
1239
|
|
|
1240 ngx_conf_merge_uint_value(conf->upstream.cache_min_uses,
|
|
|
1241 prev->upstream.cache_min_uses, 1);
|
|
|
1242
|
|
|
1243 ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale,
|
|
|
1244 prev->upstream.cache_use_stale,
|
|
|
1245 (NGX_CONF_BITMASK_SET
|
|
|
1246 |NGX_HTTP_UPSTREAM_FT_OFF));
|
|
|
1247
|
|
|
1248 if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
1249 conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET
|
|
|
1250 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
1251 }
|
|
|
1252
|
|
|
1253 if (conf->upstream.cache_methods == 0) {
|
|
|
1254 conf->upstream.cache_methods = prev->upstream.cache_methods;
|
|
|
1255 }
|
|
|
1256
|
|
|
1257 conf->upstream.cache_methods |= NGX_HTTP_GET|NGX_HTTP_HEAD;
|
|
|
1258
|
|
|
1259 ngx_conf_merge_ptr_value(conf->upstream.no_cache,
|
|
|
1260 prev->upstream.no_cache, NULL);
|
|
|
1261
|
|
|
1262 ngx_conf_merge_ptr_value(conf->upstream.cache_valid,
|
|
|
1263 prev->upstream.cache_valid, NULL);
|
|
|
1264
|
|
|
1265 if (conf->cache_key.value.data == NULL) {
|
|
|
1266 conf->cache_key = prev->cache_key;
|
|
|
1267 }
|
|
|
1268
|
|
|
1269 #endif
|
|
|
1270
|
|
|
1271 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
|
1272 prev->upstream.pass_request_headers, 1);
|
|
|
1273 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
|
1274 prev->upstream.pass_request_body, 1);
|
|
|
1275
|
|
|
1276 ngx_conf_merge_value(conf->upstream.intercept_errors,
|
|
|
1277 prev->upstream.intercept_errors, 0);
|
|
|
1278
|
|
|
1279 hash.max_size = 512;
|
|
|
1280 hash.bucket_size = ngx_align(64, ngx_cacheline_size);
|
|
|
1281 hash.name = "scgi_hide_headers_hash";
|
|
|
1282
|
|
|
1283 #if (NGX_HTTP_CACHE)
|
|
|
1284
|
|
|
1285 hide = conf->upstream.cache ? ngx_http_scgi_hide_cache_headers:
|
|
|
1286 ngx_http_scgi_hide_headers;
|
|
|
1287 #else
|
|
|
1288
|
|
|
1289 hide = ngx_http_scgi_hide_headers;
|
|
|
1290
|
|
|
1291 #endif
|
|
|
1292
|
|
|
1293 if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream,
|
|
|
1294 &prev->upstream, hide, &hash)
|
|
|
1295 != NGX_OK)
|
|
|
1296 {
|
|
|
1297 return NGX_CONF_ERROR;
|
|
|
1298 }
|
|
|
1299
|
|
|
1300 if (conf->upstream.upstream == NULL) {
|
|
|
1301 conf->upstream.upstream = prev->upstream.upstream;
|
|
|
1302 }
|
|
|
1303
|
|
|
1304 if (conf->scgi_lengths == NULL) {
|
|
|
1305 conf->scgi_lengths = prev->scgi_lengths;
|
|
|
1306 conf->scgi_values = prev->scgi_values;
|
|
|
1307 }
|
|
|
1308
|
|
|
1309 if (conf->params_source == NULL) {
|
|
|
1310 conf->flushes = prev->flushes;
|
|
|
1311 conf->params_len = prev->params_len;
|
|
|
1312 conf->params = prev->params;
|
|
|
1313 conf->params_source = prev->params_source;
|
|
|
1314 conf->headers_hash = prev->headers_hash;
|
|
|
1315
|
|
|
1316 #if (NGX_HTTP_CACHE)
|
|
|
1317
|
|
|
1318 if (conf->params_source == NULL) {
|
|
|
1319
|
|
|
1320 if ((conf->upstream.cache == NULL)
|
|
|
1321 == (prev->upstream.cache == NULL))
|
|
|
1322 {
|
|
|
1323 return NGX_CONF_OK;
|
|
|
1324 }
|
|
|
1325
|
|
|
1326 /* 6 is a number of ngx_http_scgi_cache_headers entries */
|
|
|
1327 conf->params_source = ngx_array_create(cf->pool, 6,
|
|
|
1328 sizeof(ngx_keyval_t));
|
|
|
1329 if (conf->params_source == NULL) {
|
|
|
1330 return NGX_CONF_ERROR;
|
|
|
1331 }
|
|
|
1332 }
|
|
|
1333 #else
|
|
|
1334
|
|
|
1335 if (conf->params_source == NULL) {
|
|
|
1336 return NGX_CONF_OK;
|
|
|
1337 }
|
|
|
1338
|
|
|
1339 #endif
|
|
|
1340 }
|
|
|
1341
|
|
|
1342 conf->params_len = ngx_array_create(cf->pool, 64, 1);
|
|
|
1343 if (conf->params_len == NULL) {
|
|
|
1344 return NGX_CONF_ERROR;
|
|
|
1345 }
|
|
|
1346
|
|
|
1347 conf->params = ngx_array_create(cf->pool, 512, 1);
|
|
|
1348 if (conf->params == NULL) {
|
|
|
1349 return NGX_CONF_ERROR;
|
|
|
1350 }
|
|
|
1351
|
|
|
1352 if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t))
|
|
|
1353 != NGX_OK)
|
|
|
1354 {
|
|
|
1355 return NGX_CONF_ERROR;
|
|
|
1356 }
|
|
|
1357
|
|
|
1358 src = conf->params_source->elts;
|
|
|
1359
|
|
|
1360 #if (NGX_HTTP_CACHE)
|
|
|
1361
|
|
|
1362 if (conf->upstream.cache) {
|
|
|
1363 ngx_keyval_t *h, *s;
|
|
|
1364
|
|
|
1365 for (h = ngx_http_scgi_cache_headers; h->key.len; h++) {
|
|
|
1366
|
|
|
1367 for (i = 0; i < conf->params_source->nelts; i++) {
|
|
|
1368 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
|
1369 goto next;
|
|
|
1370 }
|
|
|
1371 }
|
|
|
1372
|
|
|
1373 s = ngx_array_push(conf->params_source);
|
|
|
1374 if (s == NULL) {
|
|
|
1375 return NGX_CONF_ERROR;
|
|
|
1376 }
|
|
|
1377
|
|
|
1378 *s = *h;
|
|
|
1379
|
|
|
1380 src = conf->params_source->elts;
|
|
|
1381
|
|
|
1382 next:
|
|
|
1383
|
|
|
1384 h++;
|
|
|
1385 }
|
|
|
1386 }
|
|
|
1387
|
|
|
1388 #endif
|
|
|
1389
|
|
|
1390 for (i = 0; i < conf->params_source->nelts; i++) {
|
|
|
1391
|
|
|
1392 if (src[i].key.len > sizeof("HTTP_") - 1
|
|
|
1393 && ngx_strncmp(src[i].key.data, "HTTP_", sizeof("HTTP_") - 1) == 0)
|
|
|
1394 {
|
|
|
1395 hk = ngx_array_push(&headers_names);
|
|
|
1396 if (hk == NULL) {
|
|
|
1397 return NGX_CONF_ERROR;
|
|
|
1398 }
|
|
|
1399
|
|
|
1400 hk->key.len = src[i].key.len - 5;
|
|
|
1401 hk->key.data = src[i].key.data + 5;
|
|
|
1402 hk->key_hash = ngx_hash_key_lc(hk->key.data, hk->key.len);
|
|
|
1403 hk->value = (void *) 1;
|
|
|
1404
|
|
|
1405 if (src[i].value.len == 0) {
|
|
|
1406 continue;
|
|
|
1407 }
|
|
|
1408 }
|
|
|
1409
|
|
|
1410 copy = ngx_array_push_n(conf->params_len,
|
|
|
1411 sizeof(ngx_http_script_copy_code_t));
|
|
|
1412 if (copy == NULL) {
|
|
|
1413 return NGX_CONF_ERROR;
|
|
|
1414 }
|
|
|
1415
|
|
|
1416 copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code;
|
|
|
1417 copy->len = src[i].key.len + 1;
|
|
|
1418
|
|
|
1419
|
|
|
1420 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1421 + src[i].key.len + 1 + sizeof(uintptr_t) - 1)
|
|
|
1422 & ~(sizeof(uintptr_t) - 1);
|
|
|
1423
|
|
|
1424 copy = ngx_array_push_n(conf->params, size);
|
|
|
1425 if (copy == NULL) {
|
|
|
1426 return NGX_CONF_ERROR;
|
|
|
1427 }
|
|
|
1428
|
|
|
1429 copy->code = ngx_http_script_copy_code;
|
|
|
1430 copy->len = src[i].key.len + 1;
|
|
|
1431
|
|
|
1432 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
1433 (void) ngx_cpystrn(p, src[i].key.data, src[i].key.len + 1);
|
|
|
1434
|
|
|
1435
|
|
|
1436 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1437
|
|
|
1438 sc.cf = cf;
|
|
|
1439 sc.source = &src[i].value;
|
|
|
1440 sc.flushes = &conf->flushes;
|
|
|
1441 sc.lengths = &conf->params_len;
|
|
|
1442 sc.values = &conf->params;
|
|
|
1443
|
|
|
1444 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1445 return NGX_CONF_ERROR;
|
|
|
1446 }
|
|
|
1447
|
|
|
1448 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t));
|
|
|
1449 if (code == NULL) {
|
|
|
1450 return NGX_CONF_ERROR;
|
|
|
1451 }
|
|
|
1452
|
|
|
1453 *code = (uintptr_t) NULL;
|
|
|
1454
|
|
|
1455
|
|
|
1456 code = ngx_array_push_n(conf->params, sizeof(uintptr_t));
|
|
|
1457 if (code == NULL) {
|
|
|
1458 return NGX_CONF_ERROR;
|
|
|
1459 }
|
|
|
1460
|
|
|
1461 *code = (uintptr_t) NULL;
|
|
|
1462 }
|
|
|
1463
|
|
|
1464 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t));
|
|
|
1465 if (code == NULL) {
|
|
|
1466 return NGX_CONF_ERROR;
|
|
|
1467 }
|
|
|
1468
|
|
|
1469 *code = (uintptr_t) NULL;
|
|
|
1470
|
|
|
1471 code = ngx_array_push_n(conf->params, sizeof(uintptr_t));
|
|
|
1472 if (code == NULL) {
|
|
|
1473 return NGX_CONF_ERROR;
|
|
|
1474 }
|
|
|
1475
|
|
|
1476 *code = (uintptr_t) NULL;
|
|
|
1477
|
|
|
1478 conf->header_params = headers_names.nelts;
|
|
|
1479
|
|
|
1480 hash.hash = &conf->headers_hash;
|
|
|
1481 hash.key = ngx_hash_key_lc;
|
|
|
1482 hash.max_size = 512;
|
|
|
1483 hash.bucket_size = 64;
|
|
|
1484 hash.name = "scgi_params_hash";
|
|
|
1485 hash.pool = cf->pool;
|
|
|
1486 hash.temp_pool = NULL;
|
|
|
1487
|
|
|
1488 if (ngx_hash_init(&hash, headers_names.elts, headers_names.nelts) != NGX_OK)
|
|
|
1489 {
|
|
|
1490 return NGX_CONF_ERROR;
|
|
|
1491 }
|
|
|
1492
|
|
|
1493 return NGX_CONF_OK;
|
|
|
1494 }
|
|
|
1495
|
|
|
1496
|
|
|
1497 static char *
|
|
|
1498 ngx_http_scgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1499 {
|
|
|
1500 ngx_http_scgi_loc_conf_t *scf = conf;
|
|
|
1501
|
|
|
1502 ngx_url_t u;
|
|
|
1503 ngx_str_t *value, *url;
|
|
|
1504 ngx_uint_t n;
|
|
|
1505 ngx_http_core_loc_conf_t *clcf;
|
|
|
1506 ngx_http_script_compile_t sc;
|
|
|
1507
|
|
|
1508 if (scf->upstream.upstream || scf->scgi_lengths) {
|
|
|
1509 return "is duplicate";
|
|
|
1510 }
|
|
|
1511
|
|
|
1512 clcf = ngx_http_conf_get_module_loc_conf (cf, ngx_http_core_module);
|
|
|
1513 clcf->handler = ngx_http_scgi_handler;
|
|
|
1514
|
|
|
1515 value = cf->args->elts;
|
|
|
1516
|
|
|
1517 url = &value[1];
|
|
|
1518
|
|
|
1519 n = ngx_http_script_variables_count(url);
|
|
|
1520
|
|
|
1521 if (n) {
|
|
|
1522
|
|
|
1523 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1524
|
|
|
1525 sc.cf = cf;
|
|
|
1526 sc.source = url;
|
|
|
1527 sc.lengths = &scf->scgi_lengths;
|
|
|
1528 sc.values = &scf->scgi_values;
|
|
|
1529 sc.variables = n;
|
|
|
1530 sc.complete_lengths = 1;
|
|
|
1531 sc.complete_values = 1;
|
|
|
1532
|
|
|
1533 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1534 return NGX_CONF_ERROR;
|
|
|
1535 }
|
|
|
1536
|
|
|
1537 return NGX_CONF_OK;
|
|
|
1538 }
|
|
|
1539
|
|
|
1540 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
|
1541
|
|
|
1542 u.url = value[1];
|
|
|
1543 u.no_resolve = 1;
|
|
|
1544
|
|
|
1545 scf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
|
|
|
1546 if (scf->upstream.upstream == NULL) {
|
|
|
1547 return NGX_CONF_ERROR;
|
|
|
1548 }
|
|
|
1549
|
|
|
1550 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
1551 clcf->auto_redirect = 1;
|
|
|
1552 }
|
|
|
1553
|
|
|
1554 return NGX_CONF_OK;
|
|
|
1555 }
|
|
|
1556
|
|
|
1557
|
|
|
1558 static char *
|
|
|
1559 ngx_http_scgi_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1560 {
|
|
|
1561 ngx_http_scgi_loc_conf_t *scf = conf;
|
|
|
1562
|
|
|
1563 ngx_str_t *value;
|
|
|
1564 ngx_http_script_compile_t sc;
|
|
|
1565
|
|
|
1566 if (scf->upstream.store != NGX_CONF_UNSET || scf->upstream.store_lengths) {
|
|
|
1567 return "is duplicate";
|
|
|
1568 }
|
|
|
1569
|
|
|
1570 value = cf->args->elts;
|
|
|
1571
|
|
|
1572 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
1573 scf->upstream.store = 0;
|
|
|
1574 return NGX_CONF_OK;
|
|
|
1575 }
|
|
|
1576
|
|
|
1577 #if (NGX_HTTP_CACHE)
|
|
|
1578
|
|
|
1579 if (scf->upstream.cache != NGX_CONF_UNSET_PTR
|
|
|
1580 && scf->upstream.cache != NULL)
|
|
|
1581 {
|
|
|
1582 return "is incompatible with \"scgi_cache\"";
|
|
|
1583 }
|
|
|
1584
|
|
|
1585 #endif
|
|
|
1586
|
|
|
1587 if (ngx_strcmp(value[1].data, "on") == 0) {
|
|
|
1588 scf->upstream.store = 1;
|
|
|
1589 return NGX_CONF_OK;
|
|
|
1590 }
|
|
|
1591
|
|
|
1592 /* include the terminating '\0' into script */
|
|
|
1593 value[1].len++;
|
|
|
1594
|
|
|
1595 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1596
|
|
|
1597 sc.cf = cf;
|
|
|
1598 sc.source = &value[1];
|
|
|
1599 sc.lengths = &scf->upstream.store_lengths;
|
|
|
1600 sc.values = &scf->upstream.store_values;
|
|
|
1601 sc.variables = ngx_http_script_variables_count(&value[1]);;
|
|
|
1602 sc.complete_lengths = 1;
|
|
|
1603 sc.complete_values = 1;
|
|
|
1604
|
|
|
1605 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1606 return NGX_CONF_ERROR;
|
|
|
1607 }
|
|
|
1608
|
|
|
1609 return NGX_CONF_OK;
|
|
|
1610 }
|
|
|
1611
|
|
|
1612
|
|
|
1613 #if (NGX_HTTP_CACHE)
|
|
|
1614
|
|
|
1615 static char *
|
|
|
1616 ngx_http_scgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1617 {
|
|
|
1618 ngx_http_scgi_loc_conf_t *scf = conf;
|
|
|
1619
|
|
|
1620 ngx_str_t *value;
|
|
|
1621
|
|
|
1622 value = cf->args->elts;
|
|
|
1623
|
|
|
1624 if (scf->upstream.cache != NGX_CONF_UNSET_PTR) {
|
|
|
1625 return "is duplicate";
|
|
|
1626 }
|
|
|
1627
|
|
|
1628 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
1629 scf->upstream.cache = NULL;
|
|
|
1630 return NGX_CONF_OK;
|
|
|
1631 }
|
|
|
1632
|
|
|
1633 if (scf->upstream.store > 0 || scf->upstream.store_lengths) {
|
|
|
1634 return "is incompatible with \"scgi_store\"";
|
|
|
1635 }
|
|
|
1636
|
|
|
1637 scf->upstream.cache = ngx_shared_memory_add(cf, &value[1], 0,
|
|
|
1638 &ngx_http_scgi_module);
|
|
|
1639 if (scf->upstream.cache == NULL) {
|
|
|
1640 return NGX_CONF_ERROR;
|
|
|
1641 }
|
|
|
1642
|
|
|
1643 return NGX_CONF_OK;
|
|
|
1644 }
|
|
|
1645
|
|
|
1646
|
|
|
1647 static char *
|
|
|
1648 ngx_http_scgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1649 {
|
|
|
1650 ngx_http_scgi_loc_conf_t *scf = conf;
|
|
|
1651
|
|
|
1652 ngx_str_t *value;
|
|
|
1653 ngx_http_compile_complex_value_t ccv;
|
|
|
1654
|
|
|
1655 value = cf->args->elts;
|
|
|
1656
|
|
|
1657 if (scf->cache_key.value.len) {
|
|
|
1658 return "is duplicate";
|
|
|
1659 }
|
|
|
1660
|
|
|
1661 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
|
|
|
1662
|
|
|
1663 ccv.cf = cf;
|
|
|
1664 ccv.value = &value[1];
|
|
|
1665 ccv.complex_value = &scf->cache_key;
|
|
|
1666
|
|
|
1667 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
|
|
|
1668 return NGX_CONF_ERROR;
|
|
|
1669 }
|
|
|
1670
|
|
|
1671 return NGX_CONF_OK;
|
|
|
1672 }
|
|
|
1673
|
|
|
1674 #endif
|
