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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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642
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99 { ngx_string("scgi_buffering"),
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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.buffering),
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104 NULL },
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105
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580
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106 { ngx_string("scgi_ignore_client_abort"),
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107 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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108 ngx_conf_set_flag_slot,
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109 NGX_HTTP_LOC_CONF_OFFSET,
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110 offsetof(ngx_http_scgi_loc_conf_t, upstream.ignore_client_abort),
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111 NULL },
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112
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113 { ngx_string("scgi_bind"),
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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_http_upstream_bind_set_slot,
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116 NGX_HTTP_LOC_CONF_OFFSET,
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117 offsetof(ngx_http_scgi_loc_conf_t, upstream.local),
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118 NULL },
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119
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120 { ngx_string("scgi_connect_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.connect_timeout),
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125 NULL },
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126
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127 { ngx_string("scgi_send_timeout"),
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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_msec_slot,
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130 NGX_HTTP_LOC_CONF_OFFSET,
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131 offsetof(ngx_http_scgi_loc_conf_t, upstream.send_timeout),
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132 NULL },
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133
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134 { ngx_string("scgi_buffer_size"),
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135 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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136 ngx_conf_set_size_slot,
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137 NGX_HTTP_LOC_CONF_OFFSET,
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138 offsetof(ngx_http_scgi_loc_conf_t, upstream.buffer_size),
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139 NULL },
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140
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141 { ngx_string("scgi_pass_request_headers"),
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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_headers),
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146 NULL },
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147
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148 { ngx_string("scgi_pass_request_body"),
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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.pass_request_body),
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153 NULL },
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154
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155 { ngx_string("scgi_intercept_errors"),
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156 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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157 ngx_conf_set_flag_slot,
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158 NGX_HTTP_LOC_CONF_OFFSET,
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159 offsetof(ngx_http_scgi_loc_conf_t, upstream.intercept_errors),
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160 NULL },
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161
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162 { ngx_string("scgi_read_timeout"),
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163 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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164 ngx_conf_set_msec_slot,
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165 NGX_HTTP_LOC_CONF_OFFSET,
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166 offsetof(ngx_http_scgi_loc_conf_t, upstream.read_timeout),
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167 NULL },
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168
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169 { ngx_string("scgi_buffers"),
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170 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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171 ngx_conf_set_bufs_slot,
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172 NGX_HTTP_LOC_CONF_OFFSET,
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173 offsetof(ngx_http_scgi_loc_conf_t, upstream.bufs),
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174 NULL },
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175
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176 { ngx_string("scgi_busy_buffers_size"),
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177 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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178 ngx_conf_set_size_slot,
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179 NGX_HTTP_LOC_CONF_OFFSET,
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180 offsetof(ngx_http_scgi_loc_conf_t, upstream.busy_buffers_size_conf),
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181 NULL },
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182
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183 #if (NGX_HTTP_CACHE)
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184
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185 { ngx_string("scgi_cache"),
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592
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186 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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580
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187 ngx_http_scgi_cache,
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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_key"),
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592
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193 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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580
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194 ngx_http_scgi_cache_key,
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195 NGX_HTTP_LOC_CONF_OFFSET,
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196 0,
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197 NULL },
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198
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199 { ngx_string("scgi_cache_path"),
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200 NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE,
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201 ngx_http_file_cache_set_slot,
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202 0,
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203 0,
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204 &ngx_http_scgi_module },
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205
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588
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206 { ngx_string("scgi_cache_bypass"),
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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_set_predicate_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_bypass),
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211 NULL },
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212
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580
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213 { ngx_string("scgi_no_cache"),
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214 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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588
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215 ngx_http_set_predicate_slot,
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580
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216 NGX_HTTP_LOC_CONF_OFFSET,
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217 offsetof(ngx_http_scgi_loc_conf_t, upstream.no_cache),
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218 NULL },
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219
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220 { ngx_string("scgi_cache_valid"),
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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_http_file_cache_valid_set_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_valid),
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225 NULL },
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226
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227 { ngx_string("scgi_cache_min_uses"),
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228 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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229 ngx_conf_set_num_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_min_uses),
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232 NULL },
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233
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234 { ngx_string("scgi_cache_use_stale"),
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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_use_stale),
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239 &ngx_http_scgi_next_upstream_masks },
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240
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241 { ngx_string("scgi_cache_methods"),
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242 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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243 ngx_conf_set_bitmask_slot,
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244 NGX_HTTP_LOC_CONF_OFFSET,
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245 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_methods),
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246 &ngx_http_upstream_cache_method_mask },
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247
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248 #endif
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249
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250 { ngx_string("scgi_temp_path"),
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251 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
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252 ngx_conf_set_path_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_path),
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255 NULL },
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256
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257 { ngx_string("scgi_max_temp_file_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.max_temp_file_size_conf),
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262 NULL },
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263
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264 { ngx_string("scgi_temp_file_write_size"),
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265 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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266 ngx_conf_set_size_slot,
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267 NGX_HTTP_LOC_CONF_OFFSET,
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268 offsetof(ngx_http_scgi_loc_conf_t, upstream.temp_file_write_size_conf),
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269 NULL },
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270
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271 { ngx_string("scgi_next_upstream"),
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272 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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273 ngx_conf_set_bitmask_slot,
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274 NGX_HTTP_LOC_CONF_OFFSET,
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275 offsetof(ngx_http_scgi_loc_conf_t, upstream.next_upstream),
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276 &ngx_http_scgi_next_upstream_masks },
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277
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278 { ngx_string("scgi_param"),
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279 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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280 ngx_conf_set_keyval_slot,
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281 NGX_HTTP_LOC_CONF_OFFSET,
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282 offsetof(ngx_http_scgi_loc_conf_t, params_source),
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283 NULL },
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284
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285 { ngx_string("scgi_pass_header"),
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592
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286 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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580
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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.pass_headers),
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290 NULL },
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291
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292 { ngx_string("scgi_hide_header"),
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592
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293 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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580
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294 ngx_conf_set_str_array_slot,
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295 NGX_HTTP_LOC_CONF_OFFSET,
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296 offsetof(ngx_http_scgi_loc_conf_t, upstream.hide_headers),
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297 NULL },
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298
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299 { ngx_string("scgi_ignore_headers"),
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300 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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301 ngx_conf_set_bitmask_slot,
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302 NGX_HTTP_LOC_CONF_OFFSET,
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303 offsetof(ngx_http_scgi_loc_conf_t, upstream.ignore_headers),
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584
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304 &ngx_http_upstream_ignore_headers_masks },
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580
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305
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306 ngx_null_command
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307 };
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308
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309
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310 static ngx_http_module_t ngx_http_scgi_module_ctx = {
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311 NULL, /* preconfiguration */
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312 NULL, /* postconfiguration */
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313
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314 NULL, /* create main configuration */
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315 NULL, /* init main configuration */
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316
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317 NULL, /* create server configuration */
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318 NULL, /* merge server configuration */
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319
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320 ngx_http_scgi_create_loc_conf, /* create location configuration */
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321 ngx_http_scgi_merge_loc_conf /* merge location configuration */
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322 };
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323
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324
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325 ngx_module_t ngx_http_scgi_module = {
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326 NGX_MODULE_V1,
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327 &ngx_http_scgi_module_ctx, /* module context */
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328 ngx_http_scgi_commands, /* module directives */
|
|
|
329 NGX_HTTP_MODULE, /* module type */
|
|
|
330 NULL, /* init master */
|
|
|
331 NULL, /* init module */
|
|
|
332 NULL, /* init process */
|
|
|
333 NULL, /* init thread */
|
|
|
334 NULL, /* exit thread */
|
|
|
335 NULL, /* exit process */
|
|
|
336 NULL, /* exit master */
|
|
|
337 NGX_MODULE_V1_PADDING
|
|
|
338 };
|
|
|
339
|
|
|
340
|
|
|
341 static ngx_str_t ngx_http_scgi_hide_headers[] = {
|
|
|
342 ngx_string("Status"),
|
|
|
343 ngx_string("X-Accel-Expires"),
|
|
|
344 ngx_string("X-Accel-Redirect"),
|
|
|
345 ngx_string("X-Accel-Limit-Rate"),
|
|
|
346 ngx_string("X-Accel-Buffering"),
|
|
|
347 ngx_string("X-Accel-Charset"),
|
|
|
348 ngx_null_string
|
|
|
349 };
|
|
|
350
|
|
|
351
|
|
|
352 #if (NGX_HTTP_CACHE)
|
|
|
353
|
|
|
354 static ngx_keyval_t ngx_http_scgi_cache_headers[] = {
|
|
|
355 { ngx_string("HTTP_IF_MODIFIED_SINCE"), ngx_string("") },
|
|
|
356 { ngx_string("HTTP_IF_UNMODIFIED_SINCE"), ngx_string("") },
|
|
|
357 { ngx_string("HTTP_IF_NONE_MATCH"), ngx_string("") },
|
|
|
358 { ngx_string("HTTP_IF_MATCH"), ngx_string("") },
|
|
|
359 { ngx_string("HTTP_RANGE"), ngx_string("") },
|
|
|
360 { ngx_string("HTTP_IF_RANGE"), ngx_string("") },
|
|
|
361 { ngx_null_string, ngx_null_string }
|
|
|
362 };
|
|
|
363
|
|
|
364 #endif
|
|
|
365
|
|
|
366
|
|
|
367 static ngx_path_init_t ngx_http_scgi_temp_path = {
|
|
|
368 ngx_string(NGX_HTTP_SCGI_TEMP_PATH), { 1, 2, 0 }
|
|
|
369 };
|
|
|
370
|
|
|
371
|
|
|
372 static ngx_int_t
|
|
|
373 ngx_http_scgi_handler(ngx_http_request_t *r)
|
|
|
374 {
|
|
|
375 ngx_int_t rc;
|
|
|
376 ngx_http_status_t *status;
|
|
|
377 ngx_http_upstream_t *u;
|
|
|
378 ngx_http_scgi_loc_conf_t *scf;
|
|
|
379
|
|
|
380 if (r->subrequest_in_memory) {
|
|
|
381 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
382 "ngx_http_scgi_module does not support "
|
|
|
383 "subrequests in memory");
|
|
|
384 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
385 }
|
|
|
386
|
|
|
387 if (ngx_http_upstream_create(r) != NGX_OK) {
|
|
|
388 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
389 }
|
|
|
390
|
|
|
391 status = ngx_pcalloc(r->pool, sizeof(ngx_http_status_t));
|
|
|
392 if (status == NULL) {
|
|
|
393 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
394 }
|
|
|
395
|
|
|
396 ngx_http_set_ctx(r, status, ngx_http_scgi_module);
|
|
|
397
|
|
|
398 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module);
|
|
|
399
|
|
|
400 if (scf->scgi_lengths) {
|
|
|
401 if (ngx_http_scgi_eval(r, scf) != NGX_OK) {
|
|
|
402 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
403 }
|
|
|
404 }
|
|
|
405
|
|
|
406 u = r->upstream;
|
|
|
407
|
|
|
408 ngx_str_set(&u->schema, "scgi://");
|
|
|
409 u->output.tag = (ngx_buf_tag_t) &ngx_http_scgi_module;
|
|
|
410
|
|
|
411 u->conf = &scf->upstream;
|
|
|
412
|
|
|
413 #if (NGX_HTTP_CACHE)
|
|
|
414 u->create_key = ngx_http_scgi_create_key;
|
|
|
415 #endif
|
|
|
416 u->create_request = ngx_http_scgi_create_request;
|
|
|
417 u->reinit_request = ngx_http_scgi_reinit_request;
|
|
|
418 u->process_header = ngx_http_scgi_process_status_line;
|
|
|
419 u->abort_request = ngx_http_scgi_abort_request;
|
|
|
420 u->finalize_request = ngx_http_scgi_finalize_request;
|
|
|
421
|
|
642
|
422 u->buffering = scf->upstream.buffering;
|
|
580
|
423
|
|
|
424 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
|
|
|
425 if (u->pipe == NULL) {
|
|
|
426 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
427 }
|
|
|
428
|
|
|
429 u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
|
|
|
430 u->pipe->input_ctx = r;
|
|
|
431
|
|
|
432 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
|
433
|
|
|
434 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
|
435 return rc;
|
|
|
436 }
|
|
|
437
|
|
|
438 return NGX_DONE;
|
|
|
439 }
|
|
|
440
|
|
|
441
|
|
|
442 static ngx_int_t
|
|
|
443 ngx_http_scgi_eval(ngx_http_request_t *r, ngx_http_scgi_loc_conf_t * scf)
|
|
|
444 {
|
|
|
445 ngx_url_t url;
|
|
|
446 ngx_http_upstream_t *u;
|
|
|
447
|
|
|
448 ngx_memzero(&url, sizeof(ngx_url_t));
|
|
|
449
|
|
|
450 if (ngx_http_script_run(r, &url.url, scf->scgi_lengths->elts, 0,
|
|
|
451 scf->scgi_values->elts)
|
|
|
452 == NULL)
|
|
|
453 {
|
|
|
454 return NGX_ERROR;
|
|
|
455 }
|
|
|
456
|
|
|
457 url.no_resolve = 1;
|
|
|
458
|
|
|
459 if (ngx_parse_url(r->pool, &url) != NGX_OK) {
|
|
|
460 if (url.err) {
|
|
|
461 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
462 "%s in upstream \"%V\"", url.err, &url.url);
|
|
|
463 }
|
|
|
464
|
|
|
465 return NGX_ERROR;
|
|
|
466 }
|
|
|
467
|
|
|
468 u = r->upstream;
|
|
|
469
|
|
|
470 u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t));
|
|
|
471 if (u->resolved == NULL) {
|
|
|
472 return NGX_ERROR;
|
|
|
473 }
|
|
|
474
|
|
|
475 if (url.addrs && url.addrs[0].sockaddr) {
|
|
|
476 u->resolved->sockaddr = url.addrs[0].sockaddr;
|
|
|
477 u->resolved->socklen = url.addrs[0].socklen;
|
|
|
478 u->resolved->naddrs = 1;
|
|
|
479 u->resolved->host = url.addrs[0].name;
|
|
|
480
|
|
|
481 } else {
|
|
|
482 u->resolved->host = url.host;
|
|
|
483 u->resolved->port = url.port;
|
|
618
|
484 u->resolved->no_port = url.no_port;
|
|
580
|
485 }
|
|
|
486
|
|
|
487 return NGX_OK;
|
|
|
488 }
|
|
|
489
|
|
|
490
|
|
|
491 #if (NGX_HTTP_CACHE)
|
|
|
492
|
|
|
493 static ngx_int_t
|
|
|
494 ngx_http_scgi_create_key(ngx_http_request_t *r)
|
|
|
495 {
|
|
|
496 ngx_str_t *key;
|
|
|
497 ngx_http_scgi_loc_conf_t *scf;
|
|
|
498
|
|
|
499 key = ngx_array_push(&r->cache->keys);
|
|
|
500 if (key == NULL) {
|
|
|
501 return NGX_ERROR;
|
|
|
502 }
|
|
|
503
|
|
|
504 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module);
|
|
|
505
|
|
|
506 if (ngx_http_complex_value(r, &scf->cache_key, key) != NGX_OK) {
|
|
|
507 return NGX_ERROR;
|
|
|
508 }
|
|
|
509
|
|
|
510 return NGX_OK;
|
|
|
511 }
|
|
|
512
|
|
|
513 #endif
|
|
|
514
|
|
|
515
|
|
|
516 static ngx_int_t
|
|
|
517 ngx_http_scgi_create_request(ngx_http_request_t *r)
|
|
|
518 {
|
|
|
519 u_char ch, *key, *val, *lowcase_key;
|
|
|
520 size_t len, allocated;
|
|
|
521 ngx_buf_t *b;
|
|
|
522 ngx_str_t *content_length;
|
|
|
523 ngx_uint_t i, n, hash, header_params;
|
|
|
524 ngx_chain_t *cl, *body;
|
|
|
525 ngx_list_part_t *part;
|
|
|
526 ngx_table_elt_t *header, **ignored;
|
|
|
527 ngx_http_script_code_pt code;
|
|
|
528 ngx_http_script_engine_t e, le;
|
|
|
529 ngx_http_scgi_loc_conf_t *scf;
|
|
|
530 ngx_http_script_len_code_pt lcode;
|
|
|
531 static ngx_str_t zero = ngx_string("0");
|
|
|
532
|
|
|
533 content_length = r->headers_in.content_length ?
|
|
|
534 &r->headers_in.content_length->value : &zero;
|
|
|
535
|
|
|
536 len = sizeof("CONTENT_LENGTH") + content_length->len + 1;
|
|
|
537
|
|
|
538 header_params = 0;
|
|
|
539 ignored = NULL;
|
|
|
540
|
|
|
541 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module);
|
|
|
542
|
|
|
543 if (scf->params_len) {
|
|
|
544 ngx_memzero(&le, sizeof(ngx_http_script_engine_t));
|
|
|
545
|
|
|
546 ngx_http_script_flush_no_cacheable_variables(r, scf->flushes);
|
|
|
547 le.flushed = 1;
|
|
|
548
|
|
|
549 le.ip = scf->params_len->elts;
|
|
|
550 le.request = r;
|
|
|
551
|
|
|
552 while (*(uintptr_t *) le.ip) {
|
|
|
553
|
|
|
554 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
555 len += lcode(&le);
|
|
|
556
|
|
|
557 while (*(uintptr_t *) le.ip) {
|
|
|
558 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
559 len += lcode(&le) + 1;
|
|
|
560 }
|
|
|
561 le.ip += sizeof(uintptr_t);
|
|
|
562 }
|
|
|
563 }
|
|
|
564
|
|
|
565 if (scf->upstream.pass_request_headers) {
|
|
|
566
|
|
|
567 allocated = 0;
|
|
|
568 lowcase_key = NULL;
|
|
|
569
|
|
|
570 if (scf->header_params) {
|
|
634
|
571 n = 0;
|
|
|
572 part = &r->headers_in.headers.part;
|
|
|
573
|
|
|
574 while (part) {
|
|
|
575 n += part->nelts;
|
|
|
576 part = part->next;
|
|
|
577 }
|
|
|
578
|
|
|
579 ignored = ngx_palloc(r->pool, n * sizeof(void *));
|
|
580
|
580 if (ignored == NULL) {
|
|
|
581 return NGX_ERROR;
|
|
|
582 }
|
|
|
583 }
|
|
|
584
|
|
|
585 part = &r->headers_in.headers.part;
|
|
|
586 header = part->elts;
|
|
|
587
|
|
|
588 for (i = 0; /* void */; i++) {
|
|
|
589
|
|
|
590 if (i >= part->nelts) {
|
|
|
591 if (part->next == NULL) {
|
|
|
592 break;
|
|
|
593 }
|
|
|
594
|
|
|
595 part = part->next;
|
|
|
596 header = part->elts;
|
|
|
597 i = 0;
|
|
|
598 }
|
|
|
599
|
|
|
600 if (scf->header_params) {
|
|
|
601 if (allocated < header[i].key.len) {
|
|
|
602 allocated = header[i].key.len + 16;
|
|
|
603 lowcase_key = ngx_pnalloc(r->pool, allocated);
|
|
|
604 if (lowcase_key == NULL) {
|
|
|
605 return NGX_ERROR;
|
|
|
606 }
|
|
|
607 }
|
|
|
608
|
|
|
609 hash = 0;
|
|
|
610
|
|
|
611 for (n = 0; n < header[i].key.len; n++) {
|
|
|
612 ch = header[i].key.data[n];
|
|
|
613
|
|
|
614 if (ch >= 'A' && ch <= 'Z') {
|
|
|
615 ch |= 0x20;
|
|
|
616
|
|
|
617 } else if (ch == '-') {
|
|
|
618 ch = '_';
|
|
|
619 }
|
|
|
620
|
|
|
621 hash = ngx_hash(hash, ch);
|
|
|
622 lowcase_key[n] = ch;
|
|
|
623 }
|
|
|
624
|
|
|
625 if (ngx_hash_find(&scf->headers_hash, hash, lowcase_key, n)) {
|
|
|
626 ignored[header_params++] = &header[i];
|
|
|
627 continue;
|
|
|
628 }
|
|
|
629 }
|
|
|
630
|
|
|
631 len += sizeof("HTTP_") - 1 + header[i].key.len + 1
|
|
|
632 + header[i].value.len + 1;
|
|
|
633 }
|
|
|
634 }
|
|
|
635
|
|
|
636 /* netstring: "length:" + packet + "," */
|
|
|
637
|
|
|
638 b = ngx_create_temp_buf(r->pool, NGX_SIZE_T_LEN + 1 + len + 1);
|
|
|
639 if (b == NULL) {
|
|
|
640 return NGX_ERROR;
|
|
|
641 }
|
|
|
642
|
|
|
643 cl = ngx_alloc_chain_link(r->pool);
|
|
|
644 if (cl == NULL) {
|
|
|
645 return NGX_ERROR;
|
|
|
646 }
|
|
|
647
|
|
|
648 cl->buf = b;
|
|
|
649
|
|
|
650 b->last = ngx_snprintf(b->last,
|
|
|
651 NGX_SIZE_T_LEN + 1 + sizeof("CONTENT_LENGTH")
|
|
|
652 + NGX_OFF_T_LEN + 1,
|
|
|
653 "%ui:CONTENT_LENGTH%Z%V%Z",
|
|
|
654 len, content_length);
|
|
|
655
|
|
|
656 if (scf->params_len) {
|
|
|
657 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
658
|
|
|
659 e.ip = scf->params->elts;
|
|
|
660 e.pos = b->last;
|
|
|
661 e.request = r;
|
|
|
662 e.flushed = 1;
|
|
|
663
|
|
|
664 while (*(uintptr_t *) e.ip) {
|
|
|
665
|
|
|
666 #if (NGX_DEBUG)
|
|
|
667 key = e.pos;
|
|
|
668 #endif
|
|
|
669 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
670 code((ngx_http_script_engine_t *) & e);
|
|
|
671
|
|
|
672 #if (NGX_DEBUG)
|
|
|
673 val = e.pos;
|
|
|
674 #endif
|
|
|
675 while (*(uintptr_t *) e.ip) {
|
|
|
676 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
677 code((ngx_http_script_engine_t *) &e);
|
|
|
678 }
|
|
|
679 *e.pos++ = '\0';
|
|
|
680 e.ip += sizeof(uintptr_t);
|
|
|
681
|
|
|
682 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
683 "scgi param: \"%s: %s\"", key, val);
|
|
|
684 }
|
|
|
685
|
|
|
686 b->last = e.pos;
|
|
|
687 }
|
|
|
688
|
|
|
689 if (scf->upstream.pass_request_headers) {
|
|
|
690
|
|
|
691 part = &r->headers_in.headers.part;
|
|
|
692 header = part->elts;
|
|
|
693
|
|
|
694 for (i = 0; /* void */; i++) {
|
|
|
695
|
|
|
696 if (i >= part->nelts) {
|
|
|
697 if (part->next == NULL) {
|
|
|
698 break;
|
|
|
699 }
|
|
|
700
|
|
|
701 part = part->next;
|
|
|
702 header = part->elts;
|
|
|
703 i = 0;
|
|
|
704 }
|
|
|
705
|
|
|
706 for (n = 0; n < header_params; n++) {
|
|
|
707 if (&header[i] == ignored[n]) {
|
|
|
708 goto next;
|
|
|
709 }
|
|
|
710 }
|
|
|
711
|
|
|
712 key = b->last;
|
|
|
713 b->last = ngx_cpymem(key, "HTTP_", sizeof("HTTP_") - 1);
|
|
|
714
|
|
|
715 for (n = 0; n < header[i].key.len; n++) {
|
|
|
716 ch = header[i].key.data[n];
|
|
|
717
|
|
|
718 if (ch >= 'a' && ch <= 'z') {
|
|
|
719 ch &= ~0x20;
|
|
|
720
|
|
|
721 } else if (ch == '-') {
|
|
|
722 ch = '_';
|
|
|
723 }
|
|
|
724
|
|
|
725 *b->last++ = ch;
|
|
|
726 }
|
|
|
727
|
|
|
728 *b->last++ = (u_char) 0;
|
|
|
729
|
|
|
730 val = b->last;
|
|
|
731 b->last = ngx_copy(val, header[i].value.data, header[i].value.len);
|
|
|
732 *b->last++ = (u_char) 0;
|
|
|
733
|
|
|
734 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
735 "scgi param: \"%s: %s\"", key, val);
|
|
|
736
|
|
|
737 next:
|
|
|
738
|
|
|
739 continue;
|
|
|
740 }
|
|
|
741 }
|
|
|
742
|
|
|
743 *b->last++ = (u_char) ',';
|
|
|
744
|
|
|
745 if (scf->upstream.pass_request_body) {
|
|
|
746 body = r->upstream->request_bufs;
|
|
|
747 r->upstream->request_bufs = cl;
|
|
|
748
|
|
|
749 while (body) {
|
|
|
750 b = ngx_alloc_buf(r->pool);
|
|
|
751 if (b == NULL) {
|
|
|
752 return NGX_ERROR;
|
|
|
753 }
|
|
|
754
|
|
|
755 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
756
|
|
|
757 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
758 if (cl->next == NULL) {
|
|
|
759 return NGX_ERROR;
|
|
|
760 }
|
|
|
761
|
|
|
762 cl = cl->next;
|
|
|
763 cl->buf = b;
|
|
|
764
|
|
|
765 body = body->next;
|
|
|
766 }
|
|
|
767
|
|
|
768 } else {
|
|
|
769 r->upstream->request_bufs = cl;
|
|
|
770 }
|
|
|
771
|
|
|
772 cl->next = NULL;
|
|
|
773
|
|
|
774 return NGX_OK;
|
|
|
775 }
|
|
|
776
|
|
|
777
|
|
|
778 static ngx_int_t
|
|
|
779 ngx_http_scgi_reinit_request(ngx_http_request_t *r)
|
|
|
780 {
|
|
|
781 ngx_http_status_t *status;
|
|
|
782
|
|
|
783 status = ngx_http_get_module_ctx(r, ngx_http_scgi_module);
|
|
|
784
|
|
|
785 if (status == NULL) {
|
|
|
786 return NGX_OK;
|
|
|
787 }
|
|
|
788
|
|
|
789 status->code = 0;
|
|
|
790 status->count = 0;
|
|
|
791 status->start = NULL;
|
|
|
792 status->end = NULL;
|
|
|
793
|
|
|
794 r->upstream->process_header = ngx_http_scgi_process_status_line;
|
|
|
795
|
|
|
796 return NGX_OK;
|
|
|
797 }
|
|
|
798
|
|
|
799
|
|
|
800 static ngx_int_t
|
|
|
801 ngx_http_scgi_process_status_line(ngx_http_request_t *r)
|
|
|
802 {
|
|
|
803 size_t len;
|
|
|
804 ngx_int_t rc;
|
|
|
805 ngx_http_status_t *status;
|
|
|
806 ngx_http_upstream_t *u;
|
|
|
807
|
|
|
808 status = ngx_http_get_module_ctx(r, ngx_http_scgi_module);
|
|
|
809
|
|
|
810 if (status == NULL) {
|
|
|
811 return NGX_ERROR;
|
|
|
812 }
|
|
|
813
|
|
|
814 u = r->upstream;
|
|
|
815
|
|
|
816 rc = ngx_http_parse_status_line(r, &u->buffer, status);
|
|
|
817
|
|
|
818 if (rc == NGX_AGAIN) {
|
|
|
819 return rc;
|
|
|
820 }
|
|
|
821
|
|
|
822 if (rc == NGX_ERROR) {
|
|
|
823
|
|
|
824 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
825
|
|
|
826 u->process_header = ngx_http_scgi_process_header;
|
|
|
827
|
|
|
828 return ngx_http_scgi_process_header(r);
|
|
|
829 }
|
|
|
830
|
|
|
831 if (u->state) {
|
|
|
832 u->state->status = status->code;
|
|
|
833 }
|
|
|
834
|
|
|
835 u->headers_in.status_n = status->code;
|
|
|
836
|
|
|
837 len = status->end - status->start;
|
|
|
838 u->headers_in.status_line.len = len;
|
|
|
839
|
|
|
840 u->headers_in.status_line.data = ngx_pnalloc(r->pool, len);
|
|
|
841 if (u->headers_in.status_line.data == NULL) {
|
|
|
842 return NGX_ERROR;
|
|
|
843 }
|
|
|
844
|
|
|
845 ngx_memcpy(u->headers_in.status_line.data, status->start, len);
|
|
|
846
|
|
|
847 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
848 "http scgi status %ui \"%V\"",
|
|
|
849 u->headers_in.status_n, &u->headers_in.status_line);
|
|
|
850
|
|
|
851 u->process_header = ngx_http_scgi_process_header;
|
|
|
852
|
|
|
853 return ngx_http_scgi_process_header(r);
|
|
|
854 }
|
|
|
855
|
|
|
856
|
|
|
857 static ngx_int_t
|
|
|
858 ngx_http_scgi_process_header(ngx_http_request_t *r)
|
|
|
859 {
|
|
|
860 ngx_str_t *status_line;
|
|
|
861 ngx_int_t rc, status;
|
|
|
862 ngx_table_elt_t *h;
|
|
|
863 ngx_http_upstream_t *u;
|
|
|
864 ngx_http_upstream_header_t *hh;
|
|
|
865 ngx_http_upstream_main_conf_t *umcf;
|
|
|
866
|
|
|
867 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
868
|
|
|
869 for ( ;; ) {
|
|
|
870
|
|
|
871 rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1);
|
|
|
872
|
|
|
873 if (rc == NGX_OK) {
|
|
|
874
|
|
|
875 /* a header line has been parsed successfully */
|
|
|
876
|
|
|
877 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
878 if (h == NULL) {
|
|
|
879 return NGX_ERROR;
|
|
|
880 }
|
|
|
881
|
|
|
882 h->hash = r->header_hash;
|
|
|
883
|
|
|
884 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
885 h->value.len = r->header_end - r->header_start;
|
|
|
886
|
|
|
887 h->key.data = ngx_pnalloc(r->pool,
|
|
|
888 h->key.len + 1 + h->value.len + 1
|
|
|
889 + h->key.len);
|
|
|
890 if (h->key.data == NULL) {
|
|
|
891 return NGX_ERROR;
|
|
|
892 }
|
|
|
893
|
|
|
894 h->value.data = h->key.data + h->key.len + 1;
|
|
|
895 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1;
|
|
|
896
|
|
|
897 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
|
898 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
|
899
|
|
|
900 if (h->key.len == r->lowcase_index) {
|
|
|
901 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
902
|
|
|
903 } else {
|
|
|
904 ngx_strlow(h->lowcase_key, h->key.data, h->key.len);
|
|
|
905 }
|
|
|
906
|
|
|
907 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash,
|
|
|
908 h->lowcase_key, h->key.len);
|
|
|
909
|
|
|
910 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
|
911 return NGX_ERROR;
|
|
|
912 }
|
|
|
913
|
|
|
914 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
915 "http scgi header: \"%V: %V\"", &h->key, &h->value);
|
|
|
916
|
|
|
917 continue;
|
|
|
918 }
|
|
|
919
|
|
|
920 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
|
921
|
|
|
922 /* a whole header has been parsed successfully */
|
|
|
923
|
|
|
924 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
925 "http scgi header done");
|
|
|
926
|
|
|
927 if (r->http_version > NGX_HTTP_VERSION_9) {
|
|
|
928 return NGX_OK;
|
|
|
929 }
|
|
|
930
|
|
|
931 u = r->upstream;
|
|
|
932
|
|
|
933 if (u->headers_in.status) {
|
|
|
934 status_line = &u->headers_in.status->value;
|
|
|
935
|
|
|
936 status = ngx_atoi(status_line->data, 3);
|
|
|
937 if (status == NGX_ERROR) {
|
|
|
938 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
939 "upstream sent invalid status \"%V\"",
|
|
|
940 status_line);
|
|
|
941 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
942 }
|
|
|
943
|
|
|
944 r->http_version = NGX_HTTP_VERSION_10;
|
|
|
945 u->headers_in.status_n = status;
|
|
|
946 u->headers_in.status_line = *status_line;
|
|
|
947
|
|
|
948 } else if (u->headers_in.location) {
|
|
|
949 r->http_version = NGX_HTTP_VERSION_10;
|
|
|
950 u->headers_in.status_n = 302;
|
|
|
951 ngx_str_set(&u->headers_in.status_line,
|
|
|
952 "302 Moved Temporarily");
|
|
|
953
|
|
|
954 } else {
|
|
|
955 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
956 "upstream sent neither valid HTTP/1.0 header "
|
|
|
957 "nor \"Status\" header line");
|
|
|
958 u->headers_in.status_n = 200;
|
|
|
959 ngx_str_set(&u->headers_in.status_line, "200 OK");
|
|
|
960 }
|
|
|
961
|
|
|
962 if (u->state) {
|
|
|
963 u->state->status = u->headers_in.status_n;
|
|
|
964 }
|
|
|
965
|
|
|
966 return NGX_OK;
|
|
|
967 }
|
|
|
968
|
|
|
969 if (rc == NGX_AGAIN) {
|
|
|
970 return NGX_AGAIN;
|
|
|
971 }
|
|
|
972
|
|
|
973 /* there was error while a header line parsing */
|
|
|
974
|
|
|
975 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
976 "upstream sent invalid header");
|
|
|
977
|
|
|
978 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
979 }
|
|
|
980 }
|
|
|
981
|
|
|
982
|
|
|
983 static void
|
|
|
984 ngx_http_scgi_abort_request(ngx_http_request_t *r)
|
|
|
985 {
|
|
|
986 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
987 "abort http scgi request");
|
|
|
988
|
|
|
989 return;
|
|
|
990 }
|
|
|
991
|
|
|
992
|
|
|
993 static void
|
|
|
994 ngx_http_scgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
|
995 {
|
|
|
996 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
997 "finalize http scgi request");
|
|
|
998
|
|
|
999 return;
|
|
|
1000 }
|
|
|
1001
|
|
|
1002
|
|
|
1003 static void *
|
|
|
1004 ngx_http_scgi_create_loc_conf(ngx_conf_t *cf)
|
|
|
1005 {
|
|
|
1006 ngx_http_scgi_loc_conf_t *conf;
|
|
|
1007
|
|
|
1008 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_scgi_loc_conf_t));
|
|
|
1009 if (conf == NULL) {
|
|
|
1010 return NULL;
|
|
|
1011 }
|
|
|
1012
|
|
|
1013 conf->upstream.store = NGX_CONF_UNSET;
|
|
|
1014 conf->upstream.store_access = NGX_CONF_UNSET_UINT;
|
|
|
1015 conf->upstream.buffering = NGX_CONF_UNSET;
|
|
|
1016 conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
|
|
|
1017
|
|
|
1018 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1019 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1020 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1021
|
|
|
1022 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
|
1023 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
|
1024
|
|
|
1025 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
|
1026 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
|
1027 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
|
1028
|
|
|
1029 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
|
1030 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
|
1031
|
|
|
1032 #if (NGX_HTTP_CACHE)
|
|
|
1033 conf->upstream.cache = NGX_CONF_UNSET_PTR;
|
|
|
1034 conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT;
|
|
588
|
1035 conf->upstream.cache_bypass = NGX_CONF_UNSET_PTR;
|
|
|
1036 conf->upstream.no_cache = NGX_CONF_UNSET_PTR;
|
|
580
|
1037 conf->upstream.cache_valid = NGX_CONF_UNSET_PTR;
|
|
|
1038 #endif
|
|
|
1039
|
|
|
1040 conf->upstream.hide_headers = NGX_CONF_UNSET_PTR;
|
|
|
1041 conf->upstream.pass_headers = NGX_CONF_UNSET_PTR;
|
|
|
1042
|
|
|
1043 conf->upstream.intercept_errors = NGX_CONF_UNSET;
|
|
|
1044
|
|
|
1045 /* "scgi_cyclic_temp_file" is disabled */
|
|
|
1046 conf->upstream.cyclic_temp_file = 0;
|
|
|
1047
|
|
642
|
1048 conf->upstream.change_buffering = 1;
|
|
|
1049
|
|
632
|
1050 ngx_str_set(&conf->upstream.module, "scgi");
|
|
|
1051
|
|
580
|
1052 return conf;
|
|
|
1053 }
|
|
|
1054
|
|
|
1055
|
|
|
1056 static char *
|
|
|
1057 ngx_http_scgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1058 {
|
|
|
1059 ngx_http_scgi_loc_conf_t *prev = parent;
|
|
|
1060 ngx_http_scgi_loc_conf_t *conf = child;
|
|
|
1061
|
|
|
1062 u_char *p;
|
|
|
1063 size_t size;
|
|
|
1064 uintptr_t *code;
|
|
|
1065 ngx_uint_t i;
|
|
|
1066 ngx_array_t headers_names;
|
|
|
1067 ngx_keyval_t *src;
|
|
|
1068 ngx_hash_key_t *hk;
|
|
|
1069 ngx_hash_init_t hash;
|
|
592
|
1070 ngx_http_core_loc_conf_t *clcf;
|
|
580
|
1071 ngx_http_script_compile_t sc;
|
|
|
1072 ngx_http_script_copy_code_t *copy;
|
|
|
1073
|
|
|
1074 if (conf->upstream.store != 0) {
|
|
|
1075 ngx_conf_merge_value(conf->upstream.store, prev->upstream.store, 0);
|
|
|
1076
|
|
|
1077 if (conf->upstream.store_lengths == NULL) {
|
|
|
1078 conf->upstream.store_lengths = prev->upstream.store_lengths;
|
|
|
1079 conf->upstream.store_values = prev->upstream.store_values;
|
|
|
1080 }
|
|
|
1081 }
|
|
|
1082
|
|
|
1083 ngx_conf_merge_uint_value(conf->upstream.store_access,
|
|
|
1084 prev->upstream.store_access, 0600);
|
|
|
1085
|
|
|
1086 ngx_conf_merge_value(conf->upstream.buffering,
|
|
|
1087 prev->upstream.buffering, 1);
|
|
|
1088
|
|
|
1089 ngx_conf_merge_value(conf->upstream.ignore_client_abort,
|
|
|
1090 prev->upstream.ignore_client_abort, 0);
|
|
|
1091
|
|
|
1092 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
1093 prev->upstream.connect_timeout, 60000);
|
|
|
1094
|
|
|
1095 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
1096 prev->upstream.send_timeout, 60000);
|
|
|
1097
|
|
|
1098 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
1099 prev->upstream.read_timeout, 60000);
|
|
|
1100
|
|
|
1101 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
|
1102 prev->upstream.send_lowat, 0);
|
|
|
1103
|
|
|
1104 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
|
1105 prev->upstream.buffer_size,
|
|
|
1106 (size_t) ngx_pagesize);
|
|
|
1107
|
|
|
1108
|
|
|
1109 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
|
1110 8, ngx_pagesize);
|
|
|
1111
|
|
|
1112 if (conf->upstream.bufs.num < 2) {
|
|
|
1113 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1114 "there must be at least 2 \"scgi_buffers\"");
|
|
|
1115 return NGX_CONF_ERROR;
|
|
|
1116 }
|
|
|
1117
|
|
|
1118
|
|
|
1119 size = conf->upstream.buffer_size;
|
|
|
1120 if (size < conf->upstream.bufs.size) {
|
|
|
1121 size = conf->upstream.bufs.size;
|
|
|
1122 }
|
|
|
1123
|
|
|
1124
|
|
|
1125 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
|
1126 prev->upstream.busy_buffers_size_conf,
|
|
|
1127 NGX_CONF_UNSET_SIZE);
|
|
|
1128
|
|
|
1129 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
|
1130 conf->upstream.busy_buffers_size = 2 * size;
|
|
|
1131 } else {
|
|
|
1132 conf->upstream.busy_buffers_size =
|
|
|
1133 conf->upstream.busy_buffers_size_conf;
|
|
|
1134 }
|
|
|
1135
|
|
|
1136 if (conf->upstream.busy_buffers_size < size) {
|
|
|
1137 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1138 "\"scgi_busy_buffers_size\" must be equal or bigger "
|
|
|
1139 "than maximum of the value of \"scgi_buffer_size\" and "
|
|
|
1140 "one of the \"scgi_buffers\"");
|
|
|
1141
|
|
|
1142 return NGX_CONF_ERROR;
|
|
|
1143 }
|
|
|
1144
|
|
|
1145 if (conf->upstream.busy_buffers_size
|
|
|
1146 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
|
1147 {
|
|
|
1148 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1149 "\"scgi_busy_buffers_size\" must be less than "
|
|
|
1150 "the size of all \"scgi_buffers\" minus one buffer");
|
|
|
1151
|
|
|
1152 return NGX_CONF_ERROR;
|
|
|
1153 }
|
|
|
1154
|
|
|
1155
|
|
|
1156 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
|
1157 prev->upstream.temp_file_write_size_conf,
|
|
|
1158 NGX_CONF_UNSET_SIZE);
|
|
|
1159
|
|
|
1160 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
|
1161 conf->upstream.temp_file_write_size = 2 * size;
|
|
|
1162 } else {
|
|
|
1163 conf->upstream.temp_file_write_size =
|
|
|
1164 conf->upstream.temp_file_write_size_conf;
|
|
|
1165 }
|
|
|
1166
|
|
|
1167 if (conf->upstream.temp_file_write_size < size) {
|
|
|
1168 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1169 "\"scgi_temp_file_write_size\" must be equal or bigger than "
|
|
|
1170 "maximum of the value of \"scgi_buffer_size\" and "
|
|
|
1171 "one of the \"scgi_buffers\"");
|
|
|
1172
|
|
|
1173 return NGX_CONF_ERROR;
|
|
|
1174 }
|
|
|
1175
|
|
|
1176
|
|
|
1177 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
|
1178 prev->upstream.max_temp_file_size_conf,
|
|
|
1179 NGX_CONF_UNSET_SIZE);
|
|
|
1180
|
|
|
1181 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
|
1182 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
|
1183 } else {
|
|
|
1184 conf->upstream.max_temp_file_size =
|
|
|
1185 conf->upstream.max_temp_file_size_conf;
|
|
|
1186 }
|
|
|
1187
|
|
|
1188 if (conf->upstream.max_temp_file_size != 0
|
|
|
1189 && conf->upstream.max_temp_file_size < size) {
|
|
|
1190 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1191 "\"scgi_max_temp_file_size\" must be equal to zero to disable "
|
|
|
1192 "the temporary files usage or must be equal or bigger than "
|
|
|
1193 "maximum of the value of \"scgi_buffer_size\" and "
|
|
|
1194 "one of the \"scgi_buffers\"");
|
|
|
1195
|
|
|
1196 return NGX_CONF_ERROR;
|
|
|
1197 }
|
|
|
1198
|
|
|
1199
|
|
|
1200 ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers,
|
|
|
1201 prev->upstream.ignore_headers,
|
|
|
1202 NGX_CONF_BITMASK_SET);
|
|
|
1203
|
|
|
1204
|
|
|
1205 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
1206 prev->upstream.next_upstream,
|
|
|
1207 (NGX_CONF_BITMASK_SET
|
|
|
1208 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
1209 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
1210
|
|
|
1211 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
1212 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
|
|
|
1213 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
1214 }
|
|
|
1215
|
|
|
1216 if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path,
|
|
|
1217 prev->upstream.temp_path,
|
|
|
1218 &ngx_http_scgi_temp_path)
|
|
|
1219 != NGX_OK)
|
|
|
1220 {
|
|
|
1221 return NGX_CONF_ERROR;
|
|
|
1222 }
|
|
|
1223
|
|
|
1224 #if (NGX_HTTP_CACHE)
|
|
|
1225
|
|
|
1226 ngx_conf_merge_ptr_value(conf->upstream.cache,
|
|
|
1227 prev->upstream.cache, NULL);
|
|
|
1228
|
|
|
1229 if (conf->upstream.cache && conf->upstream.cache->data == NULL) {
|
|
|
1230 ngx_shm_zone_t *shm_zone;
|
|
|
1231
|
|
|
1232 shm_zone = conf->upstream.cache;
|
|
|
1233
|
|
|
1234 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1235 "\"scgi_cache\" zone \"%V\" is unknown",
|
|
|
1236 &shm_zone->shm.name);
|
|
|
1237
|
|
|
1238 return NGX_CONF_ERROR;
|
|
|
1239 }
|
|
|
1240
|
|
|
1241 ngx_conf_merge_uint_value(conf->upstream.cache_min_uses,
|
|
|
1242 prev->upstream.cache_min_uses, 1);
|
|
|
1243
|
|
|
1244 ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale,
|
|
|
1245 prev->upstream.cache_use_stale,
|
|
|
1246 (NGX_CONF_BITMASK_SET
|
|
|
1247 |NGX_HTTP_UPSTREAM_FT_OFF));
|
|
|
1248
|
|
|
1249 if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
1250 conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET
|
|
|
1251 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
1252 }
|
|
|
1253
|
|
|
1254 if (conf->upstream.cache_methods == 0) {
|
|
|
1255 conf->upstream.cache_methods = prev->upstream.cache_methods;
|
|
|
1256 }
|
|
|
1257
|
|
|
1258 conf->upstream.cache_methods |= NGX_HTTP_GET|NGX_HTTP_HEAD;
|
|
|
1259
|
|
588
|
1260 ngx_conf_merge_ptr_value(conf->upstream.cache_bypass,
|
|
|
1261 prev->upstream.cache_bypass, NULL);
|
|
|
1262
|
|
580
|
1263 ngx_conf_merge_ptr_value(conf->upstream.no_cache,
|
|
|
1264 prev->upstream.no_cache, NULL);
|
|
|
1265
|
|
|
1266 ngx_conf_merge_ptr_value(conf->upstream.cache_valid,
|
|
|
1267 prev->upstream.cache_valid, NULL);
|
|
|
1268
|
|
|
1269 if (conf->cache_key.value.data == NULL) {
|
|
|
1270 conf->cache_key = prev->cache_key;
|
|
|
1271 }
|
|
|
1272
|
|
|
1273 #endif
|
|
|
1274
|
|
|
1275 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
|
1276 prev->upstream.pass_request_headers, 1);
|
|
|
1277 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
|
1278 prev->upstream.pass_request_body, 1);
|
|
|
1279
|
|
|
1280 ngx_conf_merge_value(conf->upstream.intercept_errors,
|
|
|
1281 prev->upstream.intercept_errors, 0);
|
|
|
1282
|
|
|
1283 hash.max_size = 512;
|
|
|
1284 hash.bucket_size = ngx_align(64, ngx_cacheline_size);
|
|
|
1285 hash.name = "scgi_hide_headers_hash";
|
|
|
1286
|
|
|
1287 if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream,
|
|
584
|
1288 &prev->upstream, ngx_http_scgi_hide_headers, &hash)
|
|
580
|
1289 != NGX_OK)
|
|
|
1290 {
|
|
|
1291 return NGX_CONF_ERROR;
|
|
|
1292 }
|
|
|
1293
|
|
|
1294 if (conf->upstream.upstream == NULL) {
|
|
|
1295 conf->upstream.upstream = prev->upstream.upstream;
|
|
|
1296 }
|
|
|
1297
|
|
|
1298 if (conf->scgi_lengths == NULL) {
|
|
|
1299 conf->scgi_lengths = prev->scgi_lengths;
|
|
|
1300 conf->scgi_values = prev->scgi_values;
|
|
|
1301 }
|
|
|
1302
|
|
592
|
1303 if (conf->upstream.upstream || conf->scgi_lengths) {
|
|
|
1304 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
1305 if (clcf->handler == NULL && clcf->lmt_excpt) {
|
|
|
1306 clcf->handler = ngx_http_scgi_handler;
|
|
|
1307 }
|
|
|
1308 }
|
|
|
1309
|
|
580
|
1310 if (conf->params_source == NULL) {
|
|
|
1311 conf->flushes = prev->flushes;
|
|
|
1312 conf->params_len = prev->params_len;
|
|
|
1313 conf->params = prev->params;
|
|
|
1314 conf->params_source = prev->params_source;
|
|
|
1315 conf->headers_hash = prev->headers_hash;
|
|
|
1316
|
|
|
1317 #if (NGX_HTTP_CACHE)
|
|
|
1318
|
|
|
1319 if (conf->params_source == NULL) {
|
|
|
1320
|
|
|
1321 if ((conf->upstream.cache == NULL)
|
|
|
1322 == (prev->upstream.cache == NULL))
|
|
|
1323 {
|
|
|
1324 return NGX_CONF_OK;
|
|
|
1325 }
|
|
|
1326
|
|
|
1327 /* 6 is a number of ngx_http_scgi_cache_headers entries */
|
|
|
1328 conf->params_source = ngx_array_create(cf->pool, 6,
|
|
|
1329 sizeof(ngx_keyval_t));
|
|
|
1330 if (conf->params_source == NULL) {
|
|
|
1331 return NGX_CONF_ERROR;
|
|
|
1332 }
|
|
|
1333 }
|
|
|
1334 #else
|
|
|
1335
|
|
|
1336 if (conf->params_source == NULL) {
|
|
|
1337 return NGX_CONF_OK;
|
|
|
1338 }
|
|
|
1339
|
|
|
1340 #endif
|
|
|
1341 }
|
|
|
1342
|
|
|
1343 conf->params_len = ngx_array_create(cf->pool, 64, 1);
|
|
|
1344 if (conf->params_len == NULL) {
|
|
|
1345 return NGX_CONF_ERROR;
|
|
|
1346 }
|
|
|
1347
|
|
|
1348 conf->params = ngx_array_create(cf->pool, 512, 1);
|
|
|
1349 if (conf->params == NULL) {
|
|
|
1350 return NGX_CONF_ERROR;
|
|
|
1351 }
|
|
|
1352
|
|
|
1353 if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t))
|
|
|
1354 != NGX_OK)
|
|
|
1355 {
|
|
|
1356 return NGX_CONF_ERROR;
|
|
|
1357 }
|
|
|
1358
|
|
|
1359 src = conf->params_source->elts;
|
|
|
1360
|
|
|
1361 #if (NGX_HTTP_CACHE)
|
|
|
1362
|
|
|
1363 if (conf->upstream.cache) {
|
|
|
1364 ngx_keyval_t *h, *s;
|
|
|
1365
|
|
|
1366 for (h = ngx_http_scgi_cache_headers; h->key.len; h++) {
|
|
|
1367
|
|
|
1368 for (i = 0; i < conf->params_source->nelts; i++) {
|
|
|
1369 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
|
1370 goto next;
|
|
|
1371 }
|
|
|
1372 }
|
|
|
1373
|
|
|
1374 s = ngx_array_push(conf->params_source);
|
|
|
1375 if (s == NULL) {
|
|
|
1376 return NGX_CONF_ERROR;
|
|
|
1377 }
|
|
|
1378
|
|
|
1379 *s = *h;
|
|
|
1380
|
|
|
1381 src = conf->params_source->elts;
|
|
|
1382
|
|
|
1383 next:
|
|
|
1384
|
|
|
1385 h++;
|
|
|
1386 }
|
|
|
1387 }
|
|
|
1388
|
|
|
1389 #endif
|
|
|
1390
|
|
|
1391 for (i = 0; i < conf->params_source->nelts; i++) {
|
|
|
1392
|
|
|
1393 if (src[i].key.len > sizeof("HTTP_") - 1
|
|
|
1394 && ngx_strncmp(src[i].key.data, "HTTP_", sizeof("HTTP_") - 1) == 0)
|
|
|
1395 {
|
|
|
1396 hk = ngx_array_push(&headers_names);
|
|
|
1397 if (hk == NULL) {
|
|
|
1398 return NGX_CONF_ERROR;
|
|
|
1399 }
|
|
|
1400
|
|
|
1401 hk->key.len = src[i].key.len - 5;
|
|
|
1402 hk->key.data = src[i].key.data + 5;
|
|
|
1403 hk->key_hash = ngx_hash_key_lc(hk->key.data, hk->key.len);
|
|
|
1404 hk->value = (void *) 1;
|
|
|
1405
|
|
|
1406 if (src[i].value.len == 0) {
|
|
|
1407 continue;
|
|
|
1408 }
|
|
|
1409 }
|
|
|
1410
|
|
|
1411 copy = ngx_array_push_n(conf->params_len,
|
|
|
1412 sizeof(ngx_http_script_copy_code_t));
|
|
|
1413 if (copy == NULL) {
|
|
|
1414 return NGX_CONF_ERROR;
|
|
|
1415 }
|
|
|
1416
|
|
|
1417 copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code;
|
|
|
1418 copy->len = src[i].key.len + 1;
|
|
|
1419
|
|
|
1420
|
|
|
1421 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1422 + src[i].key.len + 1 + sizeof(uintptr_t) - 1)
|
|
|
1423 & ~(sizeof(uintptr_t) - 1);
|
|
|
1424
|
|
|
1425 copy = ngx_array_push_n(conf->params, size);
|
|
|
1426 if (copy == NULL) {
|
|
|
1427 return NGX_CONF_ERROR;
|
|
|
1428 }
|
|
|
1429
|
|
|
1430 copy->code = ngx_http_script_copy_code;
|
|
|
1431 copy->len = src[i].key.len + 1;
|
|
|
1432
|
|
|
1433 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
1434 (void) ngx_cpystrn(p, src[i].key.data, src[i].key.len + 1);
|
|
|
1435
|
|
|
1436
|
|
|
1437 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1438
|
|
|
1439 sc.cf = cf;
|
|
|
1440 sc.source = &src[i].value;
|
|
|
1441 sc.flushes = &conf->flushes;
|
|
|
1442 sc.lengths = &conf->params_len;
|
|
|
1443 sc.values = &conf->params;
|
|
|
1444
|
|
|
1445 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1446 return NGX_CONF_ERROR;
|
|
|
1447 }
|
|
|
1448
|
|
|
1449 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t));
|
|
|
1450 if (code == NULL) {
|
|
|
1451 return NGX_CONF_ERROR;
|
|
|
1452 }
|
|
|
1453
|
|
|
1454 *code = (uintptr_t) NULL;
|
|
|
1455
|
|
|
1456
|
|
|
1457 code = ngx_array_push_n(conf->params, sizeof(uintptr_t));
|
|
|
1458 if (code == NULL) {
|
|
|
1459 return NGX_CONF_ERROR;
|
|
|
1460 }
|
|
|
1461
|
|
|
1462 *code = (uintptr_t) NULL;
|
|
|
1463 }
|
|
|
1464
|
|
|
1465 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t));
|
|
|
1466 if (code == NULL) {
|
|
|
1467 return NGX_CONF_ERROR;
|
|
|
1468 }
|
|
|
1469
|
|
|
1470 *code = (uintptr_t) NULL;
|
|
|
1471
|
|
|
1472 code = ngx_array_push_n(conf->params, sizeof(uintptr_t));
|
|
|
1473 if (code == NULL) {
|
|
|
1474 return NGX_CONF_ERROR;
|
|
|
1475 }
|
|
|
1476
|
|
|
1477 *code = (uintptr_t) NULL;
|
|
|
1478
|
|
|
1479 conf->header_params = headers_names.nelts;
|
|
|
1480
|
|
|
1481 hash.hash = &conf->headers_hash;
|
|
|
1482 hash.key = ngx_hash_key_lc;
|
|
|
1483 hash.max_size = 512;
|
|
|
1484 hash.bucket_size = 64;
|
|
|
1485 hash.name = "scgi_params_hash";
|
|
|
1486 hash.pool = cf->pool;
|
|
|
1487 hash.temp_pool = NULL;
|
|
|
1488
|
|
|
1489 if (ngx_hash_init(&hash, headers_names.elts, headers_names.nelts) != NGX_OK)
|
|
|
1490 {
|
|
|
1491 return NGX_CONF_ERROR;
|
|
|
1492 }
|
|
|
1493
|
|
|
1494 return NGX_CONF_OK;
|
|
|
1495 }
|
|
|
1496
|
|
|
1497
|
|
|
1498 static char *
|
|
|
1499 ngx_http_scgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
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1500 {
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1501 ngx_http_scgi_loc_conf_t *scf = conf;
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1502
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1503 ngx_url_t u;
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1504 ngx_str_t *value, *url;
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1505 ngx_uint_t n;
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1506 ngx_http_core_loc_conf_t *clcf;
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1507 ngx_http_script_compile_t sc;
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1508
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1509 if (scf->upstream.upstream || scf->scgi_lengths) {
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1510 return "is duplicate";
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|
1511 }
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1512
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1513 clcf = ngx_http_conf_get_module_loc_conf (cf, ngx_http_core_module);
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1514 clcf->handler = ngx_http_scgi_handler;
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1515
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1516 value = cf->args->elts;
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1517
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1518 url = &value[1];
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1519
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1520 n = ngx_http_script_variables_count(url);
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1521
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1522 if (n) {
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1523
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1524 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
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1525
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1526 sc.cf = cf;
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1527 sc.source = url;
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1528 sc.lengths = &scf->scgi_lengths;
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1529 sc.values = &scf->scgi_values;
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1530 sc.variables = n;
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1531 sc.complete_lengths = 1;
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1532 sc.complete_values = 1;
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1533
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1534 if (ngx_http_script_compile(&sc) != NGX_OK) {
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1535 return NGX_CONF_ERROR;
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1536 }
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1537
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1538 return NGX_CONF_OK;
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1539 }
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1540
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1541 ngx_memzero(&u, sizeof(ngx_url_t));
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1542
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1543 u.url = value[1];
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1544 u.no_resolve = 1;
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1545
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1546 scf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
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1547 if (scf->upstream.upstream == NULL) {
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1548 return NGX_CONF_ERROR;
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1549 }
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1550
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1551 if (clcf->name.data[clcf->name.len - 1] == '/') {
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1552 clcf->auto_redirect = 1;
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1553 }
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1554
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1555 return NGX_CONF_OK;
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1556 }
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1557
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1558
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1559 static char *
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1560 ngx_http_scgi_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
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1561 {
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1562 ngx_http_scgi_loc_conf_t *scf = conf;
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1563
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1564 ngx_str_t *value;
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1565 ngx_http_script_compile_t sc;
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1566
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1567 if (scf->upstream.store != NGX_CONF_UNSET || scf->upstream.store_lengths) {
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1568 return "is duplicate";
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|
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1569 }
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1570
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1571 value = cf->args->elts;
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1572
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1573 if (ngx_strcmp(value[1].data, "off") == 0) {
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|
1574 scf->upstream.store = 0;
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|
|
1575 return NGX_CONF_OK;
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|
|
1576 }
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1577
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|
|
1578 #if (NGX_HTTP_CACHE)
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1579
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1580 if (scf->upstream.cache != NGX_CONF_UNSET_PTR
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|
|
1581 && scf->upstream.cache != NULL)
|
|
|
1582 {
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|
|
1583 return "is incompatible with \"scgi_cache\"";
|
|
|
1584 }
|
|
|
1585
|
|
|
1586 #endif
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|
|
1587
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|
|
1588 if (ngx_strcmp(value[1].data, "on") == 0) {
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|
|
1589 scf->upstream.store = 1;
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|
|
1590 return NGX_CONF_OK;
|
|
|
1591 }
|
|
|
1592
|
|
|
1593 /* include the terminating '\0' into script */
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|
|
1594 value[1].len++;
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|
|
1595
|
|
|
1596 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
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|
|
1597
|
|
|
1598 sc.cf = cf;
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|
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1599 sc.source = &value[1];
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|
|
1600 sc.lengths = &scf->upstream.store_lengths;
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|
|
1601 sc.values = &scf->upstream.store_values;
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|
|
1602 sc.variables = ngx_http_script_variables_count(&value[1]);;
|
|
|
1603 sc.complete_lengths = 1;
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|
|
1604 sc.complete_values = 1;
|
|
|
1605
|
|
|
1606 if (ngx_http_script_compile(&sc) != NGX_OK) {
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|
|
1607 return NGX_CONF_ERROR;
|
|
|
1608 }
|
|
|
1609
|
|
|
1610 return NGX_CONF_OK;
|
|
|
1611 }
|
|
|
1612
|
|
|
1613
|
|
|
1614 #if (NGX_HTTP_CACHE)
|
|
|
1615
|
|
|
1616 static char *
|
|
|
1617 ngx_http_scgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1618 {
|
|
|
1619 ngx_http_scgi_loc_conf_t *scf = conf;
|
|
|
1620
|
|
|
1621 ngx_str_t *value;
|
|
|
1622
|
|
|
1623 value = cf->args->elts;
|
|
|
1624
|
|
|
1625 if (scf->upstream.cache != NGX_CONF_UNSET_PTR) {
|
|
|
1626 return "is duplicate";
|
|
|
1627 }
|
|
|
1628
|
|
|
1629 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
1630 scf->upstream.cache = NULL;
|
|
|
1631 return NGX_CONF_OK;
|
|
|
1632 }
|
|
|
1633
|
|
|
1634 if (scf->upstream.store > 0 || scf->upstream.store_lengths) {
|
|
|
1635 return "is incompatible with \"scgi_store\"";
|
|
|
1636 }
|
|
|
1637
|
|
|
1638 scf->upstream.cache = ngx_shared_memory_add(cf, &value[1], 0,
|
|
|
1639 &ngx_http_scgi_module);
|
|
|
1640 if (scf->upstream.cache == NULL) {
|
|
|
1641 return NGX_CONF_ERROR;
|
|
|
1642 }
|
|
|
1643
|
|
|
1644 return NGX_CONF_OK;
|
|
|
1645 }
|
|
|
1646
|
|
|
1647
|
|
|
1648 static char *
|
|
|
1649 ngx_http_scgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1650 {
|
|
|
1651 ngx_http_scgi_loc_conf_t *scf = conf;
|
|
|
1652
|
|
|
1653 ngx_str_t *value;
|
|
|
1654 ngx_http_compile_complex_value_t ccv;
|
|
|
1655
|
|
|
1656 value = cf->args->elts;
|
|
|
1657
|
|
|
1658 if (scf->cache_key.value.len) {
|
|
|
1659 return "is duplicate";
|
|
|
1660 }
|
|
|
1661
|
|
|
1662 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
|
|
|
1663
|
|
|
1664 ccv.cf = cf;
|
|
|
1665 ccv.value = &value[1];
|
|
|
1666 ccv.complex_value = &scf->cache_key;
|
|
|
1667
|
|
|
1668 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
|
|
|
1669 return NGX_CONF_ERROR;
|
|
|
1670 }
|
|
|
1671
|
|
|
1672 return NGX_CONF_OK;
|
|
|
1673 }
|
|
|
1674
|
|
|
1675 #endif
|
