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