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