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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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660
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4 * Copyright (C) Nginx, Inc.
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580
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5 * Copyright (C) Manlio Perillo (manlio.perillo@gmail.com)
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6 */
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7
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8
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9 #include <ngx_config.h>
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10 #include <ngx_core.h>
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11 #include <ngx_http.h>
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12
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13
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14 typedef struct {
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15 ngx_http_upstream_conf_t upstream;
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16
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17 ngx_array_t *flushes;
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18 ngx_array_t *params_len;
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19 ngx_array_t *params;
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20 ngx_array_t *params_source;
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21
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22 ngx_hash_t headers_hash;
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23 ngx_uint_t header_params;
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24
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25 ngx_array_t *scgi_lengths;
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26 ngx_array_t *scgi_values;
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27
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28 #if (NGX_HTTP_CACHE)
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29 ngx_http_complex_value_t cache_key;
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30 #endif
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31 } ngx_http_scgi_loc_conf_t;
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32
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33
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34 static ngx_int_t ngx_http_scgi_eval(ngx_http_request_t *r,
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35 ngx_http_scgi_loc_conf_t *scf);
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36 static ngx_int_t ngx_http_scgi_create_request(ngx_http_request_t *r);
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37 static ngx_int_t ngx_http_scgi_reinit_request(ngx_http_request_t *r);
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38 static ngx_int_t ngx_http_scgi_process_status_line(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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648
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46 static ngx_int_t ngx_http_scgi_merge_params(ngx_conf_t *cf,
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47 ngx_http_scgi_loc_conf_t *conf, ngx_http_scgi_loc_conf_t *prev);
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580
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48
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49 static char *ngx_http_scgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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50 static char *ngx_http_scgi_store(ngx_conf_t *cf, ngx_command_t *cmd,
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51 void *conf);
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52
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53 #if (NGX_HTTP_CACHE)
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54 static ngx_int_t ngx_http_scgi_create_key(ngx_http_request_t *r);
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55 static char *ngx_http_scgi_cache(ngx_conf_t *cf, ngx_command_t *cmd,
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56 void *conf);
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57 static char *ngx_http_scgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd,
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58 void *conf);
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59 #endif
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60
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61
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62 static ngx_conf_bitmask_t ngx_http_scgi_next_upstream_masks[] = {
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63 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
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64 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
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65 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
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66 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
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67 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 },
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68 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
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69 { ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING },
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70 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF },
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71 { ngx_null_string, 0 }
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72 };
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73
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74
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75 ngx_module_t ngx_http_scgi_module;
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76
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77
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78 static ngx_command_t ngx_http_scgi_commands[] = {
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79
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80 { ngx_string("scgi_pass"),
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81 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1,
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82 ngx_http_scgi_pass,
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83 NGX_HTTP_LOC_CONF_OFFSET,
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84 0,
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85 NULL },
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86
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87 { ngx_string("scgi_store"),
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88 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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89 ngx_http_scgi_store,
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90 NGX_HTTP_LOC_CONF_OFFSET,
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91 0,
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92 NULL },
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93
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94 { ngx_string("scgi_store_access"),
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95 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123,
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96 ngx_conf_set_access_slot,
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97 NGX_HTTP_LOC_CONF_OFFSET,
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98 offsetof(ngx_http_scgi_loc_conf_t, upstream.store_access),
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99 NULL },
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100
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642
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101 { ngx_string("scgi_buffering"),
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102 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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103 ngx_conf_set_flag_slot,
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104 NGX_HTTP_LOC_CONF_OFFSET,
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105 offsetof(ngx_http_scgi_loc_conf_t, upstream.buffering),
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106 NULL },
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107
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580
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108 { ngx_string("scgi_ignore_client_abort"),
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109 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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110 ngx_conf_set_flag_slot,
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111 NGX_HTTP_LOC_CONF_OFFSET,
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112 offsetof(ngx_http_scgi_loc_conf_t, upstream.ignore_client_abort),
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113 NULL },
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114
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115 { ngx_string("scgi_bind"),
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116 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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117 ngx_http_upstream_bind_set_slot,
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118 NGX_HTTP_LOC_CONF_OFFSET,
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119 offsetof(ngx_http_scgi_loc_conf_t, upstream.local),
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120 NULL },
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121
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122 { ngx_string("scgi_connect_timeout"),
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123 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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124 ngx_conf_set_msec_slot,
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125 NGX_HTTP_LOC_CONF_OFFSET,
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126 offsetof(ngx_http_scgi_loc_conf_t, upstream.connect_timeout),
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127 NULL },
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128
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129 { ngx_string("scgi_send_timeout"),
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130 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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131 ngx_conf_set_msec_slot,
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132 NGX_HTTP_LOC_CONF_OFFSET,
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133 offsetof(ngx_http_scgi_loc_conf_t, upstream.send_timeout),
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134 NULL },
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135
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136 { ngx_string("scgi_buffer_size"),
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137 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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138 ngx_conf_set_size_slot,
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139 NGX_HTTP_LOC_CONF_OFFSET,
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140 offsetof(ngx_http_scgi_loc_conf_t, upstream.buffer_size),
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141 NULL },
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142
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143 { ngx_string("scgi_pass_request_headers"),
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144 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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145 ngx_conf_set_flag_slot,
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146 NGX_HTTP_LOC_CONF_OFFSET,
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147 offsetof(ngx_http_scgi_loc_conf_t, upstream.pass_request_headers),
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148 NULL },
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149
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150 { ngx_string("scgi_pass_request_body"),
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151 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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152 ngx_conf_set_flag_slot,
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153 NGX_HTTP_LOC_CONF_OFFSET,
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154 offsetof(ngx_http_scgi_loc_conf_t, upstream.pass_request_body),
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155 NULL },
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156
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157 { ngx_string("scgi_intercept_errors"),
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158 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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159 ngx_conf_set_flag_slot,
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160 NGX_HTTP_LOC_CONF_OFFSET,
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161 offsetof(ngx_http_scgi_loc_conf_t, upstream.intercept_errors),
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162 NULL },
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163
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164 { ngx_string("scgi_read_timeout"),
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165 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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166 ngx_conf_set_msec_slot,
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167 NGX_HTTP_LOC_CONF_OFFSET,
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168 offsetof(ngx_http_scgi_loc_conf_t, upstream.read_timeout),
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169 NULL },
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170
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171 { ngx_string("scgi_buffers"),
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172 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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173 ngx_conf_set_bufs_slot,
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174 NGX_HTTP_LOC_CONF_OFFSET,
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175 offsetof(ngx_http_scgi_loc_conf_t, upstream.bufs),
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176 NULL },
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177
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178 { ngx_string("scgi_busy_buffers_size"),
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179 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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180 ngx_conf_set_size_slot,
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181 NGX_HTTP_LOC_CONF_OFFSET,
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182 offsetof(ngx_http_scgi_loc_conf_t, upstream.busy_buffers_size_conf),
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183 NULL },
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184
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185 #if (NGX_HTTP_CACHE)
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186
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187 { ngx_string("scgi_cache"),
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592
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188 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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580
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189 ngx_http_scgi_cache,
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190 NGX_HTTP_LOC_CONF_OFFSET,
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191 0,
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192 NULL },
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193
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194 { ngx_string("scgi_cache_key"),
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592
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195 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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580
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196 ngx_http_scgi_cache_key,
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197 NGX_HTTP_LOC_CONF_OFFSET,
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198 0,
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199 NULL },
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200
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201 { ngx_string("scgi_cache_path"),
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202 NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE,
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203 ngx_http_file_cache_set_slot,
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204 0,
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205 0,
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206 &ngx_http_scgi_module },
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207
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588
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208 { ngx_string("scgi_cache_bypass"),
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209 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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210 ngx_http_set_predicate_slot,
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211 NGX_HTTP_LOC_CONF_OFFSET,
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212 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_bypass),
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213 NULL },
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214
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580
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215 { ngx_string("scgi_no_cache"),
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216 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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588
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217 ngx_http_set_predicate_slot,
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580
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218 NGX_HTTP_LOC_CONF_OFFSET,
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219 offsetof(ngx_http_scgi_loc_conf_t, upstream.no_cache),
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220 NULL },
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221
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222 { ngx_string("scgi_cache_valid"),
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223 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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224 ngx_http_file_cache_valid_set_slot,
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225 NGX_HTTP_LOC_CONF_OFFSET,
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226 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_valid),
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227 NULL },
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228
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229 { ngx_string("scgi_cache_min_uses"),
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230 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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231 ngx_conf_set_num_slot,
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232 NGX_HTTP_LOC_CONF_OFFSET,
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233 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_min_uses),
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234 NULL },
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235
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236 { ngx_string("scgi_cache_use_stale"),
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237 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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238 ngx_conf_set_bitmask_slot,
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239 NGX_HTTP_LOC_CONF_OFFSET,
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240 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_use_stale),
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241 &ngx_http_scgi_next_upstream_masks },
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242
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243 { ngx_string("scgi_cache_methods"),
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244 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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245 ngx_conf_set_bitmask_slot,
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246 NGX_HTTP_LOC_CONF_OFFSET,
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247 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_methods),
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248 &ngx_http_upstream_cache_method_mask },
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249
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656
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250 { ngx_string("scgi_cache_lock"),
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251 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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252 ngx_conf_set_flag_slot,
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253 NGX_HTTP_LOC_CONF_OFFSET,
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254 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_lock),
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255 NULL },
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256
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257 { ngx_string("scgi_cache_lock_timeout"),
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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_msec_slot,
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260 NGX_HTTP_LOC_CONF_OFFSET,
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261 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_lock_timeout),
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262 NULL },
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263
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580
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264 #endif
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265
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266 { ngx_string("scgi_temp_path"),
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267 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
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268 ngx_conf_set_path_slot,
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269 NGX_HTTP_LOC_CONF_OFFSET,
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270 offsetof(ngx_http_scgi_loc_conf_t, upstream.temp_path),
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271 NULL },
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272
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273 { ngx_string("scgi_max_temp_file_size"),
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274 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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275 ngx_conf_set_size_slot,
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276 NGX_HTTP_LOC_CONF_OFFSET,
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277 offsetof(ngx_http_scgi_loc_conf_t, upstream.max_temp_file_size_conf),
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278 NULL },
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279
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280 { ngx_string("scgi_temp_file_write_size"),
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281 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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282 ngx_conf_set_size_slot,
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283 NGX_HTTP_LOC_CONF_OFFSET,
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284 offsetof(ngx_http_scgi_loc_conf_t, upstream.temp_file_write_size_conf),
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285 NULL },
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286
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287 { ngx_string("scgi_next_upstream"),
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288 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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289 ngx_conf_set_bitmask_slot,
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290 NGX_HTTP_LOC_CONF_OFFSET,
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291 offsetof(ngx_http_scgi_loc_conf_t, upstream.next_upstream),
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292 &ngx_http_scgi_next_upstream_masks },
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293
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294 { ngx_string("scgi_param"),
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654
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295 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE23,
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296 ngx_http_upstream_param_set_slot,
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580
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297 NGX_HTTP_LOC_CONF_OFFSET,
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298 offsetof(ngx_http_scgi_loc_conf_t, params_source),
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299 NULL },
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300
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301 { ngx_string("scgi_pass_header"),
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592
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302 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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580
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303 ngx_conf_set_str_array_slot,
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304 NGX_HTTP_LOC_CONF_OFFSET,
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305 offsetof(ngx_http_scgi_loc_conf_t, upstream.pass_headers),
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306 NULL },
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307
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308 { ngx_string("scgi_hide_header"),
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592
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309 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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580
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310 ngx_conf_set_str_array_slot,
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311 NGX_HTTP_LOC_CONF_OFFSET,
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312 offsetof(ngx_http_scgi_loc_conf_t, upstream.hide_headers),
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313 NULL },
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314
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315 { ngx_string("scgi_ignore_headers"),
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316 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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317 ngx_conf_set_bitmask_slot,
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318 NGX_HTTP_LOC_CONF_OFFSET,
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319 offsetof(ngx_http_scgi_loc_conf_t, upstream.ignore_headers),
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584
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320 &ngx_http_upstream_ignore_headers_masks },
|
|
580
|
321
|
|
|
322 ngx_null_command
|
|
|
323 };
|
|
|
324
|
|
|
325
|
|
|
326 static ngx_http_module_t ngx_http_scgi_module_ctx = {
|
|
|
327 NULL, /* preconfiguration */
|
|
|
328 NULL, /* postconfiguration */
|
|
|
329
|
|
|
330 NULL, /* create main configuration */
|
|
|
331 NULL, /* init main configuration */
|
|
|
332
|
|
|
333 NULL, /* create server configuration */
|
|
|
334 NULL, /* merge server configuration */
|
|
|
335
|
|
|
336 ngx_http_scgi_create_loc_conf, /* create location configuration */
|
|
|
337 ngx_http_scgi_merge_loc_conf /* merge location configuration */
|
|
|
338 };
|
|
|
339
|
|
|
340
|
|
|
341 ngx_module_t ngx_http_scgi_module = {
|
|
|
342 NGX_MODULE_V1,
|
|
|
343 &ngx_http_scgi_module_ctx, /* module context */
|
|
|
344 ngx_http_scgi_commands, /* module directives */
|
|
|
345 NGX_HTTP_MODULE, /* module type */
|
|
|
346 NULL, /* init master */
|
|
|
347 NULL, /* init module */
|
|
|
348 NULL, /* init process */
|
|
|
349 NULL, /* init thread */
|
|
|
350 NULL, /* exit thread */
|
|
|
351 NULL, /* exit process */
|
|
|
352 NULL, /* exit master */
|
|
|
353 NGX_MODULE_V1_PADDING
|
|
|
354 };
|
|
|
355
|
|
|
356
|
|
|
357 static ngx_str_t ngx_http_scgi_hide_headers[] = {
|
|
|
358 ngx_string("Status"),
|
|
|
359 ngx_string("X-Accel-Expires"),
|
|
|
360 ngx_string("X-Accel-Redirect"),
|
|
|
361 ngx_string("X-Accel-Limit-Rate"),
|
|
|
362 ngx_string("X-Accel-Buffering"),
|
|
|
363 ngx_string("X-Accel-Charset"),
|
|
|
364 ngx_null_string
|
|
|
365 };
|
|
|
366
|
|
|
367
|
|
|
368 #if (NGX_HTTP_CACHE)
|
|
|
369
|
|
|
370 static ngx_keyval_t ngx_http_scgi_cache_headers[] = {
|
|
|
371 { ngx_string("HTTP_IF_MODIFIED_SINCE"), ngx_string("") },
|
|
|
372 { ngx_string("HTTP_IF_UNMODIFIED_SINCE"), ngx_string("") },
|
|
|
373 { ngx_string("HTTP_IF_NONE_MATCH"), ngx_string("") },
|
|
|
374 { ngx_string("HTTP_IF_MATCH"), ngx_string("") },
|
|
|
375 { ngx_string("HTTP_RANGE"), ngx_string("") },
|
|
|
376 { ngx_string("HTTP_IF_RANGE"), ngx_string("") },
|
|
|
377 { ngx_null_string, ngx_null_string }
|
|
|
378 };
|
|
|
379
|
|
|
380 #endif
|
|
|
381
|
|
|
382
|
|
|
383 static ngx_path_init_t ngx_http_scgi_temp_path = {
|
|
|
384 ngx_string(NGX_HTTP_SCGI_TEMP_PATH), { 1, 2, 0 }
|
|
|
385 };
|
|
|
386
|
|
|
387
|
|
|
388 static ngx_int_t
|
|
|
389 ngx_http_scgi_handler(ngx_http_request_t *r)
|
|
|
390 {
|
|
|
391 ngx_int_t rc;
|
|
|
392 ngx_http_status_t *status;
|
|
|
393 ngx_http_upstream_t *u;
|
|
|
394 ngx_http_scgi_loc_conf_t *scf;
|
|
|
395
|
|
|
396 if (r->subrequest_in_memory) {
|
|
|
397 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
398 "ngx_http_scgi_module does not support "
|
|
|
399 "subrequests in memory");
|
|
|
400 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
401 }
|
|
|
402
|
|
|
403 if (ngx_http_upstream_create(r) != NGX_OK) {
|
|
|
404 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
405 }
|
|
|
406
|
|
|
407 status = ngx_pcalloc(r->pool, sizeof(ngx_http_status_t));
|
|
|
408 if (status == NULL) {
|
|
|
409 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
410 }
|
|
|
411
|
|
|
412 ngx_http_set_ctx(r, status, ngx_http_scgi_module);
|
|
|
413
|
|
|
414 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module);
|
|
|
415
|
|
|
416 if (scf->scgi_lengths) {
|
|
|
417 if (ngx_http_scgi_eval(r, scf) != NGX_OK) {
|
|
|
418 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
419 }
|
|
|
420 }
|
|
|
421
|
|
|
422 u = r->upstream;
|
|
|
423
|
|
|
424 ngx_str_set(&u->schema, "scgi://");
|
|
|
425 u->output.tag = (ngx_buf_tag_t) &ngx_http_scgi_module;
|
|
|
426
|
|
|
427 u->conf = &scf->upstream;
|
|
|
428
|
|
|
429 #if (NGX_HTTP_CACHE)
|
|
|
430 u->create_key = ngx_http_scgi_create_key;
|
|
|
431 #endif
|
|
|
432 u->create_request = ngx_http_scgi_create_request;
|
|
|
433 u->reinit_request = ngx_http_scgi_reinit_request;
|
|
|
434 u->process_header = ngx_http_scgi_process_status_line;
|
|
|
435 u->abort_request = ngx_http_scgi_abort_request;
|
|
|
436 u->finalize_request = ngx_http_scgi_finalize_request;
|
|
|
437
|
|
642
|
438 u->buffering = scf->upstream.buffering;
|
|
580
|
439
|
|
|
440 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
|
|
|
441 if (u->pipe == NULL) {
|
|
|
442 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
443 }
|
|
|
444
|
|
|
445 u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
|
|
|
446 u->pipe->input_ctx = r;
|
|
|
447
|
|
|
448 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
|
|
|
449
|
|
|
450 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
|
|
|
451 return rc;
|
|
|
452 }
|
|
|
453
|
|
|
454 return NGX_DONE;
|
|
|
455 }
|
|
|
456
|
|
|
457
|
|
|
458 static ngx_int_t
|
|
|
459 ngx_http_scgi_eval(ngx_http_request_t *r, ngx_http_scgi_loc_conf_t * scf)
|
|
|
460 {
|
|
|
461 ngx_url_t url;
|
|
|
462 ngx_http_upstream_t *u;
|
|
|
463
|
|
|
464 ngx_memzero(&url, sizeof(ngx_url_t));
|
|
|
465
|
|
|
466 if (ngx_http_script_run(r, &url.url, scf->scgi_lengths->elts, 0,
|
|
|
467 scf->scgi_values->elts)
|
|
|
468 == NULL)
|
|
|
469 {
|
|
|
470 return NGX_ERROR;
|
|
|
471 }
|
|
|
472
|
|
|
473 url.no_resolve = 1;
|
|
|
474
|
|
|
475 if (ngx_parse_url(r->pool, &url) != NGX_OK) {
|
|
|
476 if (url.err) {
|
|
|
477 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
478 "%s in upstream \"%V\"", url.err, &url.url);
|
|
|
479 }
|
|
|
480
|
|
|
481 return NGX_ERROR;
|
|
|
482 }
|
|
|
483
|
|
|
484 u = r->upstream;
|
|
|
485
|
|
|
486 u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t));
|
|
|
487 if (u->resolved == NULL) {
|
|
|
488 return NGX_ERROR;
|
|
|
489 }
|
|
|
490
|
|
|
491 if (url.addrs && url.addrs[0].sockaddr) {
|
|
|
492 u->resolved->sockaddr = url.addrs[0].sockaddr;
|
|
|
493 u->resolved->socklen = url.addrs[0].socklen;
|
|
|
494 u->resolved->naddrs = 1;
|
|
|
495 u->resolved->host = url.addrs[0].name;
|
|
|
496
|
|
|
497 } else {
|
|
|
498 u->resolved->host = url.host;
|
|
|
499 u->resolved->port = url.port;
|
|
618
|
500 u->resolved->no_port = url.no_port;
|
|
580
|
501 }
|
|
|
502
|
|
|
503 return NGX_OK;
|
|
|
504 }
|
|
|
505
|
|
|
506
|
|
|
507 #if (NGX_HTTP_CACHE)
|
|
|
508
|
|
|
509 static ngx_int_t
|
|
|
510 ngx_http_scgi_create_key(ngx_http_request_t *r)
|
|
|
511 {
|
|
|
512 ngx_str_t *key;
|
|
|
513 ngx_http_scgi_loc_conf_t *scf;
|
|
|
514
|
|
|
515 key = ngx_array_push(&r->cache->keys);
|
|
|
516 if (key == NULL) {
|
|
|
517 return NGX_ERROR;
|
|
|
518 }
|
|
|
519
|
|
|
520 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module);
|
|
|
521
|
|
|
522 if (ngx_http_complex_value(r, &scf->cache_key, key) != NGX_OK) {
|
|
|
523 return NGX_ERROR;
|
|
|
524 }
|
|
|
525
|
|
|
526 return NGX_OK;
|
|
|
527 }
|
|
|
528
|
|
|
529 #endif
|
|
|
530
|
|
|
531
|
|
|
532 static ngx_int_t
|
|
|
533 ngx_http_scgi_create_request(ngx_http_request_t *r)
|
|
|
534 {
|
|
|
535 u_char ch, *key, *val, *lowcase_key;
|
|
654
|
536 size_t len, key_len, val_len, allocated;
|
|
580
|
537 ngx_buf_t *b;
|
|
|
538 ngx_str_t *content_length;
|
|
654
|
539 ngx_uint_t i, n, hash, skip_empty, header_params;
|
|
580
|
540 ngx_chain_t *cl, *body;
|
|
|
541 ngx_list_part_t *part;
|
|
|
542 ngx_table_elt_t *header, **ignored;
|
|
|
543 ngx_http_script_code_pt code;
|
|
|
544 ngx_http_script_engine_t e, le;
|
|
|
545 ngx_http_scgi_loc_conf_t *scf;
|
|
|
546 ngx_http_script_len_code_pt lcode;
|
|
|
547 static ngx_str_t zero = ngx_string("0");
|
|
|
548
|
|
|
549 content_length = r->headers_in.content_length ?
|
|
|
550 &r->headers_in.content_length->value : &zero;
|
|
|
551
|
|
|
552 len = sizeof("CONTENT_LENGTH") + content_length->len + 1;
|
|
|
553
|
|
|
554 header_params = 0;
|
|
|
555 ignored = NULL;
|
|
|
556
|
|
|
557 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module);
|
|
|
558
|
|
|
559 if (scf->params_len) {
|
|
|
560 ngx_memzero(&le, sizeof(ngx_http_script_engine_t));
|
|
|
561
|
|
|
562 ngx_http_script_flush_no_cacheable_variables(r, scf->flushes);
|
|
|
563 le.flushed = 1;
|
|
|
564
|
|
|
565 le.ip = scf->params_len->elts;
|
|
|
566 le.request = r;
|
|
|
567
|
|
|
568 while (*(uintptr_t *) le.ip) {
|
|
|
569
|
|
|
570 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
654
|
571 key_len = lcode(&le);
|
|
580
|
572
|
|
654
|
573 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
574 skip_empty = lcode(&le);
|
|
|
575
|
|
|
576 for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) {
|
|
580
|
577 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
578 }
|
|
654
|
579 le.ip += sizeof(uintptr_t);
|
|
650
|
580
|
|
654
|
581 if (skip_empty && val_len == 0) {
|
|
|
582 continue;
|
|
|
583 }
|
|
|
584
|
|
|
585 len += key_len + val_len + 1;
|
|
580
|
586 }
|
|
|
587 }
|
|
|
588
|
|
|
589 if (scf->upstream.pass_request_headers) {
|
|
|
590
|
|
|
591 allocated = 0;
|
|
|
592 lowcase_key = NULL;
|
|
|
593
|
|
|
594 if (scf->header_params) {
|
|
634
|
595 n = 0;
|
|
|
596 part = &r->headers_in.headers.part;
|
|
|
597
|
|
|
598 while (part) {
|
|
|
599 n += part->nelts;
|
|
|
600 part = part->next;
|
|
|
601 }
|
|
|
602
|
|
|
603 ignored = ngx_palloc(r->pool, n * sizeof(void *));
|
|
580
|
604 if (ignored == NULL) {
|
|
|
605 return NGX_ERROR;
|
|
|
606 }
|
|
|
607 }
|
|
|
608
|
|
|
609 part = &r->headers_in.headers.part;
|
|
|
610 header = part->elts;
|
|
|
611
|
|
|
612 for (i = 0; /* void */; i++) {
|
|
|
613
|
|
|
614 if (i >= part->nelts) {
|
|
|
615 if (part->next == NULL) {
|
|
|
616 break;
|
|
|
617 }
|
|
|
618
|
|
|
619 part = part->next;
|
|
|
620 header = part->elts;
|
|
|
621 i = 0;
|
|
|
622 }
|
|
|
623
|
|
|
624 if (scf->header_params) {
|
|
|
625 if (allocated < header[i].key.len) {
|
|
|
626 allocated = header[i].key.len + 16;
|
|
|
627 lowcase_key = ngx_pnalloc(r->pool, allocated);
|
|
|
628 if (lowcase_key == NULL) {
|
|
|
629 return NGX_ERROR;
|
|
|
630 }
|
|
|
631 }
|
|
|
632
|
|
|
633 hash = 0;
|
|
|
634
|
|
|
635 for (n = 0; n < header[i].key.len; n++) {
|
|
|
636 ch = header[i].key.data[n];
|
|
|
637
|
|
|
638 if (ch >= 'A' && ch <= 'Z') {
|
|
|
639 ch |= 0x20;
|
|
|
640
|
|
|
641 } else if (ch == '-') {
|
|
|
642 ch = '_';
|
|
|
643 }
|
|
|
644
|
|
|
645 hash = ngx_hash(hash, ch);
|
|
|
646 lowcase_key[n] = ch;
|
|
|
647 }
|
|
|
648
|
|
|
649 if (ngx_hash_find(&scf->headers_hash, hash, lowcase_key, n)) {
|
|
|
650 ignored[header_params++] = &header[i];
|
|
|
651 continue;
|
|
|
652 }
|
|
|
653 }
|
|
|
654
|
|
|
655 len += sizeof("HTTP_") - 1 + header[i].key.len + 1
|
|
|
656 + header[i].value.len + 1;
|
|
|
657 }
|
|
|
658 }
|
|
|
659
|
|
|
660 /* netstring: "length:" + packet + "," */
|
|
|
661
|
|
|
662 b = ngx_create_temp_buf(r->pool, NGX_SIZE_T_LEN + 1 + len + 1);
|
|
|
663 if (b == NULL) {
|
|
|
664 return NGX_ERROR;
|
|
|
665 }
|
|
|
666
|
|
|
667 cl = ngx_alloc_chain_link(r->pool);
|
|
|
668 if (cl == NULL) {
|
|
|
669 return NGX_ERROR;
|
|
|
670 }
|
|
|
671
|
|
|
672 cl->buf = b;
|
|
|
673
|
|
|
674 b->last = ngx_snprintf(b->last,
|
|
|
675 NGX_SIZE_T_LEN + 1 + sizeof("CONTENT_LENGTH")
|
|
|
676 + NGX_OFF_T_LEN + 1,
|
|
|
677 "%ui:CONTENT_LENGTH%Z%V%Z",
|
|
|
678 len, content_length);
|
|
|
679
|
|
|
680 if (scf->params_len) {
|
|
|
681 ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
|
|
|
682
|
|
|
683 e.ip = scf->params->elts;
|
|
|
684 e.pos = b->last;
|
|
|
685 e.request = r;
|
|
|
686 e.flushed = 1;
|
|
|
687
|
|
654
|
688 le.ip = scf->params_len->elts;
|
|
|
689
|
|
|
690 while (*(uintptr_t *) le.ip) {
|
|
|
691
|
|
|
692 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
693 lcode(&le); /* key length */
|
|
|
694
|
|
|
695 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
696 skip_empty = lcode(&le);
|
|
|
697
|
|
|
698 for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) {
|
|
|
699 lcode = *(ngx_http_script_len_code_pt *) le.ip;
|
|
|
700 }
|
|
|
701 le.ip += sizeof(uintptr_t);
|
|
|
702
|
|
|
703 if (skip_empty && val_len == 0) {
|
|
|
704 e.skip = 1;
|
|
|
705
|
|
|
706 while (*(uintptr_t *) e.ip) {
|
|
|
707 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
708 code((ngx_http_script_engine_t *) &e);
|
|
|
709 }
|
|
|
710 e.ip += sizeof(uintptr_t);
|
|
|
711
|
|
|
712 e.skip = 0;
|
|
|
713
|
|
|
714 continue;
|
|
|
715 }
|
|
580
|
716
|
|
|
717 #if (NGX_DEBUG)
|
|
|
718 key = e.pos;
|
|
|
719 #endif
|
|
|
720 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
721 code((ngx_http_script_engine_t *) & e);
|
|
|
722
|
|
|
723 #if (NGX_DEBUG)
|
|
|
724 val = e.pos;
|
|
|
725 #endif
|
|
|
726 while (*(uintptr_t *) e.ip) {
|
|
|
727 code = *(ngx_http_script_code_pt *) e.ip;
|
|
|
728 code((ngx_http_script_engine_t *) &e);
|
|
|
729 }
|
|
|
730 *e.pos++ = '\0';
|
|
|
731 e.ip += sizeof(uintptr_t);
|
|
|
732
|
|
|
733 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
734 "scgi param: \"%s: %s\"", key, val);
|
|
|
735 }
|
|
|
736
|
|
|
737 b->last = e.pos;
|
|
|
738 }
|
|
|
739
|
|
|
740 if (scf->upstream.pass_request_headers) {
|
|
|
741
|
|
|
742 part = &r->headers_in.headers.part;
|
|
|
743 header = part->elts;
|
|
|
744
|
|
|
745 for (i = 0; /* void */; i++) {
|
|
|
746
|
|
|
747 if (i >= part->nelts) {
|
|
|
748 if (part->next == NULL) {
|
|
|
749 break;
|
|
|
750 }
|
|
|
751
|
|
|
752 part = part->next;
|
|
|
753 header = part->elts;
|
|
|
754 i = 0;
|
|
|
755 }
|
|
|
756
|
|
|
757 for (n = 0; n < header_params; n++) {
|
|
|
758 if (&header[i] == ignored[n]) {
|
|
|
759 goto next;
|
|
|
760 }
|
|
|
761 }
|
|
|
762
|
|
|
763 key = b->last;
|
|
|
764 b->last = ngx_cpymem(key, "HTTP_", sizeof("HTTP_") - 1);
|
|
|
765
|
|
|
766 for (n = 0; n < header[i].key.len; n++) {
|
|
|
767 ch = header[i].key.data[n];
|
|
|
768
|
|
|
769 if (ch >= 'a' && ch <= 'z') {
|
|
|
770 ch &= ~0x20;
|
|
|
771
|
|
|
772 } else if (ch == '-') {
|
|
|
773 ch = '_';
|
|
|
774 }
|
|
|
775
|
|
|
776 *b->last++ = ch;
|
|
|
777 }
|
|
|
778
|
|
|
779 *b->last++ = (u_char) 0;
|
|
|
780
|
|
|
781 val = b->last;
|
|
|
782 b->last = ngx_copy(val, header[i].value.data, header[i].value.len);
|
|
|
783 *b->last++ = (u_char) 0;
|
|
|
784
|
|
|
785 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
786 "scgi param: \"%s: %s\"", key, val);
|
|
|
787
|
|
|
788 next:
|
|
|
789
|
|
|
790 continue;
|
|
|
791 }
|
|
|
792 }
|
|
|
793
|
|
|
794 *b->last++ = (u_char) ',';
|
|
|
795
|
|
|
796 if (scf->upstream.pass_request_body) {
|
|
|
797 body = r->upstream->request_bufs;
|
|
|
798 r->upstream->request_bufs = cl;
|
|
|
799
|
|
|
800 while (body) {
|
|
|
801 b = ngx_alloc_buf(r->pool);
|
|
|
802 if (b == NULL) {
|
|
|
803 return NGX_ERROR;
|
|
|
804 }
|
|
|
805
|
|
|
806 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
|
|
|
807
|
|
|
808 cl->next = ngx_alloc_chain_link(r->pool);
|
|
|
809 if (cl->next == NULL) {
|
|
|
810 return NGX_ERROR;
|
|
|
811 }
|
|
|
812
|
|
|
813 cl = cl->next;
|
|
|
814 cl->buf = b;
|
|
|
815
|
|
|
816 body = body->next;
|
|
|
817 }
|
|
|
818
|
|
|
819 } else {
|
|
|
820 r->upstream->request_bufs = cl;
|
|
|
821 }
|
|
|
822
|
|
|
823 cl->next = NULL;
|
|
|
824
|
|
|
825 return NGX_OK;
|
|
|
826 }
|
|
|
827
|
|
|
828
|
|
|
829 static ngx_int_t
|
|
|
830 ngx_http_scgi_reinit_request(ngx_http_request_t *r)
|
|
|
831 {
|
|
|
832 ngx_http_status_t *status;
|
|
|
833
|
|
|
834 status = ngx_http_get_module_ctx(r, ngx_http_scgi_module);
|
|
|
835
|
|
|
836 if (status == NULL) {
|
|
|
837 return NGX_OK;
|
|
|
838 }
|
|
|
839
|
|
|
840 status->code = 0;
|
|
|
841 status->count = 0;
|
|
|
842 status->start = NULL;
|
|
|
843 status->end = NULL;
|
|
|
844
|
|
|
845 r->upstream->process_header = ngx_http_scgi_process_status_line;
|
|
|
846
|
|
|
847 return NGX_OK;
|
|
|
848 }
|
|
|
849
|
|
|
850
|
|
|
851 static ngx_int_t
|
|
|
852 ngx_http_scgi_process_status_line(ngx_http_request_t *r)
|
|
|
853 {
|
|
|
854 size_t len;
|
|
|
855 ngx_int_t rc;
|
|
|
856 ngx_http_status_t *status;
|
|
|
857 ngx_http_upstream_t *u;
|
|
|
858
|
|
|
859 status = ngx_http_get_module_ctx(r, ngx_http_scgi_module);
|
|
|
860
|
|
|
861 if (status == NULL) {
|
|
|
862 return NGX_ERROR;
|
|
|
863 }
|
|
|
864
|
|
|
865 u = r->upstream;
|
|
|
866
|
|
|
867 rc = ngx_http_parse_status_line(r, &u->buffer, status);
|
|
|
868
|
|
|
869 if (rc == NGX_AGAIN) {
|
|
|
870 return rc;
|
|
|
871 }
|
|
|
872
|
|
|
873 if (rc == NGX_ERROR) {
|
|
|
874 u->process_header = ngx_http_scgi_process_header;
|
|
|
875 return ngx_http_scgi_process_header(r);
|
|
|
876 }
|
|
|
877
|
|
|
878 if (u->state) {
|
|
|
879 u->state->status = status->code;
|
|
|
880 }
|
|
|
881
|
|
|
882 u->headers_in.status_n = status->code;
|
|
|
883
|
|
|
884 len = status->end - status->start;
|
|
|
885 u->headers_in.status_line.len = len;
|
|
|
886
|
|
|
887 u->headers_in.status_line.data = ngx_pnalloc(r->pool, len);
|
|
|
888 if (u->headers_in.status_line.data == NULL) {
|
|
|
889 return NGX_ERROR;
|
|
|
890 }
|
|
|
891
|
|
|
892 ngx_memcpy(u->headers_in.status_line.data, status->start, len);
|
|
|
893
|
|
|
894 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
895 "http scgi status %ui \"%V\"",
|
|
|
896 u->headers_in.status_n, &u->headers_in.status_line);
|
|
|
897
|
|
|
898 u->process_header = ngx_http_scgi_process_header;
|
|
|
899
|
|
|
900 return ngx_http_scgi_process_header(r);
|
|
|
901 }
|
|
|
902
|
|
|
903
|
|
|
904 static ngx_int_t
|
|
|
905 ngx_http_scgi_process_header(ngx_http_request_t *r)
|
|
|
906 {
|
|
|
907 ngx_str_t *status_line;
|
|
|
908 ngx_int_t rc, status;
|
|
|
909 ngx_table_elt_t *h;
|
|
|
910 ngx_http_upstream_t *u;
|
|
|
911 ngx_http_upstream_header_t *hh;
|
|
|
912 ngx_http_upstream_main_conf_t *umcf;
|
|
|
913
|
|
|
914 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
|
|
|
915
|
|
|
916 for ( ;; ) {
|
|
|
917
|
|
|
918 rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1);
|
|
|
919
|
|
|
920 if (rc == NGX_OK) {
|
|
|
921
|
|
|
922 /* a header line has been parsed successfully */
|
|
|
923
|
|
|
924 h = ngx_list_push(&r->upstream->headers_in.headers);
|
|
|
925 if (h == NULL) {
|
|
|
926 return NGX_ERROR;
|
|
|
927 }
|
|
|
928
|
|
|
929 h->hash = r->header_hash;
|
|
|
930
|
|
|
931 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
932 h->value.len = r->header_end - r->header_start;
|
|
|
933
|
|
|
934 h->key.data = ngx_pnalloc(r->pool,
|
|
|
935 h->key.len + 1 + h->value.len + 1
|
|
|
936 + h->key.len);
|
|
|
937 if (h->key.data == NULL) {
|
|
|
938 return NGX_ERROR;
|
|
|
939 }
|
|
|
940
|
|
|
941 h->value.data = h->key.data + h->key.len + 1;
|
|
|
942 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1;
|
|
|
943
|
|
|
944 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
|
|
|
945 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
|
|
|
946
|
|
|
947 if (h->key.len == r->lowcase_index) {
|
|
|
948 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
949
|
|
|
950 } else {
|
|
|
951 ngx_strlow(h->lowcase_key, h->key.data, h->key.len);
|
|
|
952 }
|
|
|
953
|
|
|
954 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash,
|
|
|
955 h->lowcase_key, h->key.len);
|
|
|
956
|
|
|
957 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
|
958 return NGX_ERROR;
|
|
|
959 }
|
|
|
960
|
|
|
961 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
962 "http scgi header: \"%V: %V\"", &h->key, &h->value);
|
|
|
963
|
|
|
964 continue;
|
|
|
965 }
|
|
|
966
|
|
|
967 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
|
968
|
|
|
969 /* a whole header has been parsed successfully */
|
|
|
970
|
|
|
971 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
972 "http scgi header done");
|
|
|
973
|
|
656
|
974 u = r->upstream;
|
|
|
975
|
|
|
976 if (u->headers_in.status_n) {
|
|
580
|
977 return NGX_OK;
|
|
|
978 }
|
|
|
979
|
|
|
980 if (u->headers_in.status) {
|
|
|
981 status_line = &u->headers_in.status->value;
|
|
|
982
|
|
|
983 status = ngx_atoi(status_line->data, 3);
|
|
|
984 if (status == NGX_ERROR) {
|
|
|
985 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
986 "upstream sent invalid status \"%V\"",
|
|
|
987 status_line);
|
|
|
988 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
989 }
|
|
|
990
|
|
|
991 u->headers_in.status_n = status;
|
|
|
992 u->headers_in.status_line = *status_line;
|
|
|
993
|
|
|
994 } else if (u->headers_in.location) {
|
|
|
995 u->headers_in.status_n = 302;
|
|
|
996 ngx_str_set(&u->headers_in.status_line,
|
|
|
997 "302 Moved Temporarily");
|
|
|
998
|
|
|
999 } else {
|
|
|
1000 u->headers_in.status_n = 200;
|
|
|
1001 ngx_str_set(&u->headers_in.status_line, "200 OK");
|
|
|
1002 }
|
|
|
1003
|
|
|
1004 if (u->state) {
|
|
|
1005 u->state->status = u->headers_in.status_n;
|
|
|
1006 }
|
|
|
1007
|
|
|
1008 return NGX_OK;
|
|
|
1009 }
|
|
|
1010
|
|
|
1011 if (rc == NGX_AGAIN) {
|
|
|
1012 return NGX_AGAIN;
|
|
|
1013 }
|
|
|
1014
|
|
|
1015 /* there was error while a header line parsing */
|
|
|
1016
|
|
|
1017 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1018 "upstream sent invalid header");
|
|
|
1019
|
|
|
1020 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
|
|
|
1021 }
|
|
|
1022 }
|
|
|
1023
|
|
|
1024
|
|
|
1025 static void
|
|
|
1026 ngx_http_scgi_abort_request(ngx_http_request_t *r)
|
|
|
1027 {
|
|
|
1028 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1029 "abort http scgi request");
|
|
|
1030
|
|
|
1031 return;
|
|
|
1032 }
|
|
|
1033
|
|
|
1034
|
|
|
1035 static void
|
|
|
1036 ngx_http_scgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
|
1037 {
|
|
|
1038 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1039 "finalize http scgi request");
|
|
|
1040
|
|
|
1041 return;
|
|
|
1042 }
|
|
|
1043
|
|
|
1044
|
|
|
1045 static void *
|
|
|
1046 ngx_http_scgi_create_loc_conf(ngx_conf_t *cf)
|
|
|
1047 {
|
|
|
1048 ngx_http_scgi_loc_conf_t *conf;
|
|
|
1049
|
|
|
1050 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_scgi_loc_conf_t));
|
|
|
1051 if (conf == NULL) {
|
|
|
1052 return NULL;
|
|
|
1053 }
|
|
|
1054
|
|
|
1055 conf->upstream.store = NGX_CONF_UNSET;
|
|
|
1056 conf->upstream.store_access = NGX_CONF_UNSET_UINT;
|
|
|
1057 conf->upstream.buffering = NGX_CONF_UNSET;
|
|
|
1058 conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
|
|
|
1059
|
|
|
1060 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1061 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1062 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1063
|
|
|
1064 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
|
|
|
1065 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
|
1066
|
|
|
1067 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
|
|
|
1068 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
|
|
|
1069 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE;
|
|
|
1070
|
|
|
1071 conf->upstream.pass_request_headers = NGX_CONF_UNSET;
|
|
|
1072 conf->upstream.pass_request_body = NGX_CONF_UNSET;
|
|
|
1073
|
|
|
1074 #if (NGX_HTTP_CACHE)
|
|
|
1075 conf->upstream.cache = NGX_CONF_UNSET_PTR;
|
|
|
1076 conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT;
|
|
588
|
1077 conf->upstream.cache_bypass = NGX_CONF_UNSET_PTR;
|
|
|
1078 conf->upstream.no_cache = NGX_CONF_UNSET_PTR;
|
|
580
|
1079 conf->upstream.cache_valid = NGX_CONF_UNSET_PTR;
|
|
656
|
1080 conf->upstream.cache_lock = NGX_CONF_UNSET;
|
|
|
1081 conf->upstream.cache_lock_timeout = NGX_CONF_UNSET_MSEC;
|
|
580
|
1082 #endif
|
|
|
1083
|
|
|
1084 conf->upstream.hide_headers = NGX_CONF_UNSET_PTR;
|
|
|
1085 conf->upstream.pass_headers = NGX_CONF_UNSET_PTR;
|
|
|
1086
|
|
|
1087 conf->upstream.intercept_errors = NGX_CONF_UNSET;
|
|
|
1088
|
|
|
1089 /* "scgi_cyclic_temp_file" is disabled */
|
|
|
1090 conf->upstream.cyclic_temp_file = 0;
|
|
|
1091
|
|
642
|
1092 conf->upstream.change_buffering = 1;
|
|
|
1093
|
|
632
|
1094 ngx_str_set(&conf->upstream.module, "scgi");
|
|
|
1095
|
|
580
|
1096 return conf;
|
|
|
1097 }
|
|
|
1098
|
|
|
1099
|
|
|
1100 static char *
|
|
|
1101 ngx_http_scgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
1102 {
|
|
|
1103 ngx_http_scgi_loc_conf_t *prev = parent;
|
|
|
1104 ngx_http_scgi_loc_conf_t *conf = child;
|
|
|
1105
|
|
|
1106 size_t size;
|
|
|
1107 ngx_hash_init_t hash;
|
|
592
|
1108 ngx_http_core_loc_conf_t *clcf;
|
|
580
|
1109
|
|
|
1110 if (conf->upstream.store != 0) {
|
|
|
1111 ngx_conf_merge_value(conf->upstream.store, prev->upstream.store, 0);
|
|
|
1112
|
|
|
1113 if (conf->upstream.store_lengths == NULL) {
|
|
|
1114 conf->upstream.store_lengths = prev->upstream.store_lengths;
|
|
|
1115 conf->upstream.store_values = prev->upstream.store_values;
|
|
|
1116 }
|
|
|
1117 }
|
|
|
1118
|
|
|
1119 ngx_conf_merge_uint_value(conf->upstream.store_access,
|
|
|
1120 prev->upstream.store_access, 0600);
|
|
|
1121
|
|
|
1122 ngx_conf_merge_value(conf->upstream.buffering,
|
|
|
1123 prev->upstream.buffering, 1);
|
|
|
1124
|
|
|
1125 ngx_conf_merge_value(conf->upstream.ignore_client_abort,
|
|
|
1126 prev->upstream.ignore_client_abort, 0);
|
|
|
1127
|
|
|
1128 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
1129 prev->upstream.connect_timeout, 60000);
|
|
|
1130
|
|
|
1131 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
1132 prev->upstream.send_timeout, 60000);
|
|
|
1133
|
|
|
1134 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
1135 prev->upstream.read_timeout, 60000);
|
|
|
1136
|
|
|
1137 ngx_conf_merge_size_value(conf->upstream.send_lowat,
|
|
|
1138 prev->upstream.send_lowat, 0);
|
|
|
1139
|
|
|
1140 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
|
1141 prev->upstream.buffer_size,
|
|
|
1142 (size_t) ngx_pagesize);
|
|
|
1143
|
|
|
1144
|
|
|
1145 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
|
|
|
1146 8, ngx_pagesize);
|
|
|
1147
|
|
|
1148 if (conf->upstream.bufs.num < 2) {
|
|
|
1149 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1150 "there must be at least 2 \"scgi_buffers\"");
|
|
|
1151 return NGX_CONF_ERROR;
|
|
|
1152 }
|
|
|
1153
|
|
|
1154
|
|
|
1155 size = conf->upstream.buffer_size;
|
|
|
1156 if (size < conf->upstream.bufs.size) {
|
|
|
1157 size = conf->upstream.bufs.size;
|
|
|
1158 }
|
|
|
1159
|
|
|
1160
|
|
|
1161 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf,
|
|
|
1162 prev->upstream.busy_buffers_size_conf,
|
|
|
1163 NGX_CONF_UNSET_SIZE);
|
|
|
1164
|
|
|
1165 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
|
1166 conf->upstream.busy_buffers_size = 2 * size;
|
|
|
1167 } else {
|
|
|
1168 conf->upstream.busy_buffers_size =
|
|
|
1169 conf->upstream.busy_buffers_size_conf;
|
|
|
1170 }
|
|
|
1171
|
|
|
1172 if (conf->upstream.busy_buffers_size < size) {
|
|
|
1173 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1174 "\"scgi_busy_buffers_size\" must be equal or bigger "
|
|
|
1175 "than maximum of the value of \"scgi_buffer_size\" and "
|
|
|
1176 "one of the \"scgi_buffers\"");
|
|
|
1177
|
|
|
1178 return NGX_CONF_ERROR;
|
|
|
1179 }
|
|
|
1180
|
|
|
1181 if (conf->upstream.busy_buffers_size
|
|
|
1182 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size)
|
|
|
1183 {
|
|
|
1184 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1185 "\"scgi_busy_buffers_size\" must be less than "
|
|
|
1186 "the size of all \"scgi_buffers\" minus one buffer");
|
|
|
1187
|
|
|
1188 return NGX_CONF_ERROR;
|
|
|
1189 }
|
|
|
1190
|
|
|
1191
|
|
|
1192 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf,
|
|
|
1193 prev->upstream.temp_file_write_size_conf,
|
|
|
1194 NGX_CONF_UNSET_SIZE);
|
|
|
1195
|
|
|
1196 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
|
1197 conf->upstream.temp_file_write_size = 2 * size;
|
|
|
1198 } else {
|
|
|
1199 conf->upstream.temp_file_write_size =
|
|
|
1200 conf->upstream.temp_file_write_size_conf;
|
|
|
1201 }
|
|
|
1202
|
|
|
1203 if (conf->upstream.temp_file_write_size < size) {
|
|
|
1204 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1205 "\"scgi_temp_file_write_size\" must be equal or bigger than "
|
|
|
1206 "maximum of the value of \"scgi_buffer_size\" and "
|
|
|
1207 "one of the \"scgi_buffers\"");
|
|
|
1208
|
|
|
1209 return NGX_CONF_ERROR;
|
|
|
1210 }
|
|
|
1211
|
|
|
1212
|
|
|
1213 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf,
|
|
|
1214 prev->upstream.max_temp_file_size_conf,
|
|
|
1215 NGX_CONF_UNSET_SIZE);
|
|
|
1216
|
|
|
1217 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) {
|
|
|
1218 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024;
|
|
|
1219 } else {
|
|
|
1220 conf->upstream.max_temp_file_size =
|
|
|
1221 conf->upstream.max_temp_file_size_conf;
|
|
|
1222 }
|
|
|
1223
|
|
|
1224 if (conf->upstream.max_temp_file_size != 0
|
|
|
1225 && conf->upstream.max_temp_file_size < size) {
|
|
|
1226 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1227 "\"scgi_max_temp_file_size\" must be equal to zero to disable "
|
|
|
1228 "the temporary files usage or must be equal or bigger than "
|
|
|
1229 "maximum of the value of \"scgi_buffer_size\" and "
|
|
|
1230 "one of the \"scgi_buffers\"");
|
|
|
1231
|
|
|
1232 return NGX_CONF_ERROR;
|
|
|
1233 }
|
|
|
1234
|
|
|
1235
|
|
|
1236 ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers,
|
|
|
1237 prev->upstream.ignore_headers,
|
|
|
1238 NGX_CONF_BITMASK_SET);
|
|
|
1239
|
|
|
1240
|
|
|
1241 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
1242 prev->upstream.next_upstream,
|
|
|
1243 (NGX_CONF_BITMASK_SET
|
|
|
1244 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
1245 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
1246
|
|
|
1247 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
1248 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
|
|
|
1249 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
1250 }
|
|
|
1251
|
|
|
1252 if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path,
|
|
|
1253 prev->upstream.temp_path,
|
|
|
1254 &ngx_http_scgi_temp_path)
|
|
|
1255 != NGX_OK)
|
|
|
1256 {
|
|
|
1257 return NGX_CONF_ERROR;
|
|
|
1258 }
|
|
|
1259
|
|
|
1260 #if (NGX_HTTP_CACHE)
|
|
|
1261
|
|
|
1262 ngx_conf_merge_ptr_value(conf->upstream.cache,
|
|
|
1263 prev->upstream.cache, NULL);
|
|
|
1264
|
|
|
1265 if (conf->upstream.cache && conf->upstream.cache->data == NULL) {
|
|
|
1266 ngx_shm_zone_t *shm_zone;
|
|
|
1267
|
|
|
1268 shm_zone = conf->upstream.cache;
|
|
|
1269
|
|
|
1270 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1271 "\"scgi_cache\" zone \"%V\" is unknown",
|
|
|
1272 &shm_zone->shm.name);
|
|
|
1273
|
|
|
1274 return NGX_CONF_ERROR;
|
|
|
1275 }
|
|
|
1276
|
|
|
1277 ngx_conf_merge_uint_value(conf->upstream.cache_min_uses,
|
|
|
1278 prev->upstream.cache_min_uses, 1);
|
|
|
1279
|
|
|
1280 ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale,
|
|
|
1281 prev->upstream.cache_use_stale,
|
|
|
1282 (NGX_CONF_BITMASK_SET
|
|
|
1283 |NGX_HTTP_UPSTREAM_FT_OFF));
|
|
|
1284
|
|
|
1285 if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
1286 conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET
|
|
|
1287 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
1288 }
|
|
|
1289
|
|
658
|
1290 if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_ERROR) {
|
|
|
1291 conf->upstream.cache_use_stale |= NGX_HTTP_UPSTREAM_FT_NOLIVE;
|
|
|
1292 }
|
|
|
1293
|
|
580
|
1294 if (conf->upstream.cache_methods == 0) {
|
|
|
1295 conf->upstream.cache_methods = prev->upstream.cache_methods;
|
|
|
1296 }
|
|
|
1297
|
|
|
1298 conf->upstream.cache_methods |= NGX_HTTP_GET|NGX_HTTP_HEAD;
|
|
|
1299
|
|
588
|
1300 ngx_conf_merge_ptr_value(conf->upstream.cache_bypass,
|
|
|
1301 prev->upstream.cache_bypass, NULL);
|
|
|
1302
|
|
580
|
1303 ngx_conf_merge_ptr_value(conf->upstream.no_cache,
|
|
|
1304 prev->upstream.no_cache, NULL);
|
|
|
1305
|
|
|
1306 ngx_conf_merge_ptr_value(conf->upstream.cache_valid,
|
|
|
1307 prev->upstream.cache_valid, NULL);
|
|
|
1308
|
|
|
1309 if (conf->cache_key.value.data == NULL) {
|
|
|
1310 conf->cache_key = prev->cache_key;
|
|
|
1311 }
|
|
|
1312
|
|
656
|
1313 ngx_conf_merge_value(conf->upstream.cache_lock,
|
|
|
1314 prev->upstream.cache_lock, 0);
|
|
|
1315
|
|
|
1316 ngx_conf_merge_msec_value(conf->upstream.cache_lock_timeout,
|
|
|
1317 prev->upstream.cache_lock_timeout, 5000);
|
|
|
1318
|
|
580
|
1319 #endif
|
|
|
1320
|
|
|
1321 ngx_conf_merge_value(conf->upstream.pass_request_headers,
|
|
|
1322 prev->upstream.pass_request_headers, 1);
|
|
|
1323 ngx_conf_merge_value(conf->upstream.pass_request_body,
|
|
|
1324 prev->upstream.pass_request_body, 1);
|
|
|
1325
|
|
|
1326 ngx_conf_merge_value(conf->upstream.intercept_errors,
|
|
|
1327 prev->upstream.intercept_errors, 0);
|
|
|
1328
|
|
|
1329 hash.max_size = 512;
|
|
|
1330 hash.bucket_size = ngx_align(64, ngx_cacheline_size);
|
|
|
1331 hash.name = "scgi_hide_headers_hash";
|
|
|
1332
|
|
|
1333 if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream,
|
|
584
|
1334 &prev->upstream, ngx_http_scgi_hide_headers, &hash)
|
|
580
|
1335 != NGX_OK)
|
|
|
1336 {
|
|
|
1337 return NGX_CONF_ERROR;
|
|
|
1338 }
|
|
|
1339
|
|
|
1340 if (conf->upstream.upstream == NULL) {
|
|
|
1341 conf->upstream.upstream = prev->upstream.upstream;
|
|
|
1342 }
|
|
|
1343
|
|
|
1344 if (conf->scgi_lengths == NULL) {
|
|
|
1345 conf->scgi_lengths = prev->scgi_lengths;
|
|
|
1346 conf->scgi_values = prev->scgi_values;
|
|
|
1347 }
|
|
|
1348
|
|
592
|
1349 if (conf->upstream.upstream || conf->scgi_lengths) {
|
|
|
1350 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
1351 if (clcf->handler == NULL && clcf->lmt_excpt) {
|
|
|
1352 clcf->handler = ngx_http_scgi_handler;
|
|
|
1353 }
|
|
|
1354 }
|
|
|
1355
|
|
648
|
1356 if (ngx_http_scgi_merge_params(cf, conf, prev) != NGX_OK) {
|
|
|
1357 return NGX_CONF_ERROR;
|
|
|
1358 }
|
|
|
1359
|
|
|
1360 return NGX_CONF_OK;
|
|
|
1361 }
|
|
|
1362
|
|
580
|
1363
|
|
648
|
1364 static ngx_int_t
|
|
|
1365 ngx_http_scgi_merge_params(ngx_conf_t *cf, ngx_http_scgi_loc_conf_t *conf,
|
|
|
1366 ngx_http_scgi_loc_conf_t *prev)
|
|
|
1367 {
|
|
|
1368 u_char *p;
|
|
|
1369 size_t size;
|
|
|
1370 uintptr_t *code;
|
|
|
1371 ngx_uint_t i, nsrc;
|
|
|
1372 ngx_array_t headers_names;
|
|
580
|
1373 #if (NGX_HTTP_CACHE)
|
|
648
|
1374 ngx_array_t params_merged;
|
|
|
1375 #endif
|
|
|
1376 ngx_hash_key_t *hk;
|
|
|
1377 ngx_hash_init_t hash;
|
|
654
|
1378 ngx_http_upstream_param_t *src;
|
|
648
|
1379 ngx_http_script_compile_t sc;
|
|
|
1380 ngx_http_script_copy_code_t *copy;
|
|
580
|
1381
|
|
648
|
1382 if (conf->params_source == NULL) {
|
|
|
1383 conf->params_source = prev->params_source;
|
|
580
|
1384
|
|
648
|
1385 if (prev->headers_hash.buckets
|
|
|
1386 #if (NGX_HTTP_CACHE)
|
|
|
1387 && ((conf->upstream.cache == NULL) == (prev->upstream.cache == NULL))
|
|
|
1388 #endif
|
|
|
1389 )
|
|
|
1390 {
|
|
|
1391 conf->flushes = prev->flushes;
|
|
|
1392 conf->params_len = prev->params_len;
|
|
|
1393 conf->params = prev->params;
|
|
|
1394 conf->headers_hash = prev->headers_hash;
|
|
|
1395 conf->header_params = prev->header_params;
|
|
|
1396
|
|
|
1397 return NGX_OK;
|
|
580
|
1398 }
|
|
648
|
1399 }
|
|
580
|
1400
|
|
648
|
1401 if (conf->params_source == NULL
|
|
|
1402 #if (NGX_HTTP_CACHE)
|
|
|
1403 && (conf->upstream.cache == NULL)
|
|
580
|
1404 #endif
|
|
648
|
1405 )
|
|
|
1406 {
|
|
|
1407 conf->headers_hash.buckets = (void *) 1;
|
|
|
1408 return NGX_OK;
|
|
580
|
1409 }
|
|
|
1410
|
|
|
1411 conf->params_len = ngx_array_create(cf->pool, 64, 1);
|
|
|
1412 if (conf->params_len == NULL) {
|
|
648
|
1413 return NGX_ERROR;
|
|
580
|
1414 }
|
|
|
1415
|
|
|
1416 conf->params = ngx_array_create(cf->pool, 512, 1);
|
|
|
1417 if (conf->params == NULL) {
|
|
648
|
1418 return NGX_ERROR;
|
|
580
|
1419 }
|
|
|
1420
|
|
|
1421 if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t))
|
|
|
1422 != NGX_OK)
|
|
|
1423 {
|
|
648
|
1424 return NGX_ERROR;
|
|
580
|
1425 }
|
|
|
1426
|
|
648
|
1427 if (conf->params_source) {
|
|
|
1428 src = conf->params_source->elts;
|
|
|
1429 nsrc = conf->params_source->nelts;
|
|
|
1430
|
|
|
1431 } else {
|
|
|
1432 src = NULL;
|
|
|
1433 nsrc = 0;
|
|
|
1434 }
|
|
580
|
1435
|
|
|
1436 #if (NGX_HTTP_CACHE)
|
|
|
1437
|
|
|
1438 if (conf->upstream.cache) {
|
|
654
|
1439 ngx_keyval_t *h;
|
|
|
1440 ngx_http_upstream_param_t *s;
|
|
580
|
1441
|
|
654
|
1442 if (ngx_array_init(¶ms_merged, cf->temp_pool, 4,
|
|
|
1443 sizeof(ngx_http_upstream_param_t))
|
|
648
|
1444 != NGX_OK)
|
|
|
1445 {
|
|
|
1446 return NGX_ERROR;
|
|
|
1447 }
|
|
|
1448
|
|
|
1449 for (i = 0; i < nsrc; i++) {
|
|
580
|
1450
|
|
648
|
1451 s = ngx_array_push(¶ms_merged);
|
|
|
1452 if (s == NULL) {
|
|
|
1453 return NGX_ERROR;
|
|
|
1454 }
|
|
|
1455
|
|
|
1456 *s = src[i];
|
|
|
1457 }
|
|
|
1458
|
|
|
1459 h = ngx_http_scgi_cache_headers;
|
|
|
1460
|
|
|
1461 while (h->key.len) {
|
|
|
1462
|
|
|
1463 src = params_merged.elts;
|
|
|
1464 nsrc = params_merged.nelts;
|
|
|
1465
|
|
|
1466 for (i = 0; i < nsrc; i++) {
|
|
580
|
1467 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) {
|
|
|
1468 goto next;
|
|
|
1469 }
|
|
|
1470 }
|
|
|
1471
|
|
648
|
1472 s = ngx_array_push(¶ms_merged);
|
|
580
|
1473 if (s == NULL) {
|
|
648
|
1474 return NGX_ERROR;
|
|
580
|
1475 }
|
|
|
1476
|
|
654
|
1477 s->key = h->key;
|
|
|
1478 s->value = h->value;
|
|
|
1479 s->skip_empty = 0;
|
|
580
|
1480
|
|
|
1481 next:
|
|
|
1482
|
|
|
1483 h++;
|
|
|
1484 }
|
|
648
|
1485
|
|
|
1486 src = params_merged.elts;
|
|
|
1487 nsrc = params_merged.nelts;
|
|
580
|
1488 }
|
|
|
1489
|
|
|
1490 #endif
|
|
|
1491
|
|
648
|
1492 for (i = 0; i < nsrc; i++) {
|
|
580
|
1493
|
|
|
1494 if (src[i].key.len > sizeof("HTTP_") - 1
|
|
|
1495 && ngx_strncmp(src[i].key.data, "HTTP_", sizeof("HTTP_") - 1) == 0)
|
|
|
1496 {
|
|
|
1497 hk = ngx_array_push(&headers_names);
|
|
|
1498 if (hk == NULL) {
|
|
648
|
1499 return NGX_ERROR;
|
|
580
|
1500 }
|
|
|
1501
|
|
|
1502 hk->key.len = src[i].key.len - 5;
|
|
|
1503 hk->key.data = src[i].key.data + 5;
|
|
|
1504 hk->key_hash = ngx_hash_key_lc(hk->key.data, hk->key.len);
|
|
|
1505 hk->value = (void *) 1;
|
|
|
1506
|
|
|
1507 if (src[i].value.len == 0) {
|
|
|
1508 continue;
|
|
|
1509 }
|
|
|
1510 }
|
|
|
1511
|
|
|
1512 copy = ngx_array_push_n(conf->params_len,
|
|
|
1513 sizeof(ngx_http_script_copy_code_t));
|
|
|
1514 if (copy == NULL) {
|
|
648
|
1515 return NGX_ERROR;
|
|
580
|
1516 }
|
|
|
1517
|
|
|
1518 copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code;
|
|
|
1519 copy->len = src[i].key.len + 1;
|
|
|
1520
|
|
654
|
1521 copy = ngx_array_push_n(conf->params_len,
|
|
|
1522 sizeof(ngx_http_script_copy_code_t));
|
|
|
1523 if (copy == NULL) {
|
|
|
1524 return NGX_ERROR;
|
|
|
1525 }
|
|
|
1526
|
|
|
1527 copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code;
|
|
|
1528 copy->len = src[i].skip_empty;
|
|
|
1529
|
|
580
|
1530
|
|
|
1531 size = (sizeof(ngx_http_script_copy_code_t)
|
|
|
1532 + src[i].key.len + 1 + sizeof(uintptr_t) - 1)
|
|
|
1533 & ~(sizeof(uintptr_t) - 1);
|
|
|
1534
|
|
|
1535 copy = ngx_array_push_n(conf->params, size);
|
|
|
1536 if (copy == NULL) {
|
|
648
|
1537 return NGX_ERROR;
|
|
580
|
1538 }
|
|
|
1539
|
|
|
1540 copy->code = ngx_http_script_copy_code;
|
|
|
1541 copy->len = src[i].key.len + 1;
|
|
|
1542
|
|
|
1543 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t);
|
|
|
1544 (void) ngx_cpystrn(p, src[i].key.data, src[i].key.len + 1);
|
|
|
1545
|
|
|
1546
|
|
|
1547 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1548
|
|
|
1549 sc.cf = cf;
|
|
|
1550 sc.source = &src[i].value;
|
|
|
1551 sc.flushes = &conf->flushes;
|
|
|
1552 sc.lengths = &conf->params_len;
|
|
|
1553 sc.values = &conf->params;
|
|
|
1554
|
|
|
1555 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
648
|
1556 return NGX_ERROR;
|
|
580
|
1557 }
|
|
|
1558
|
|
|
1559 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t));
|
|
|
1560 if (code == NULL) {
|
|
648
|
1561 return NGX_ERROR;
|
|
580
|
1562 }
|
|
|
1563
|
|
|
1564 *code = (uintptr_t) NULL;
|
|
|
1565
|
|
|
1566
|
|
|
1567 code = ngx_array_push_n(conf->params, sizeof(uintptr_t));
|
|
|
1568 if (code == NULL) {
|
|
648
|
1569 return NGX_ERROR;
|
|
580
|
1570 }
|
|
|
1571
|
|
|
1572 *code = (uintptr_t) NULL;
|
|
|
1573 }
|
|
|
1574
|
|
|
1575 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t));
|
|
|
1576 if (code == NULL) {
|
|
648
|
1577 return NGX_ERROR;
|
|
580
|
1578 }
|
|
|
1579
|
|
|
1580 *code = (uintptr_t) NULL;
|
|
|
1581
|
|
|
1582 code = ngx_array_push_n(conf->params, sizeof(uintptr_t));
|
|
|
1583 if (code == NULL) {
|
|
648
|
1584 return NGX_ERROR;
|
|
580
|
1585 }
|
|
|
1586
|
|
|
1587 *code = (uintptr_t) NULL;
|
|
|
1588
|
|
|
1589 conf->header_params = headers_names.nelts;
|
|
|
1590
|
|
|
1591 hash.hash = &conf->headers_hash;
|
|
|
1592 hash.key = ngx_hash_key_lc;
|
|
|
1593 hash.max_size = 512;
|
|
|
1594 hash.bucket_size = 64;
|
|
|
1595 hash.name = "scgi_params_hash";
|
|
|
1596 hash.pool = cf->pool;
|
|
|
1597 hash.temp_pool = NULL;
|
|
|
1598
|
|
648
|
1599 return ngx_hash_init(&hash, headers_names.elts, headers_names.nelts);
|
|
580
|
1600 }
|
|
|
1601
|
|
|
1602
|
|
|
1603 static char *
|
|
|
1604 ngx_http_scgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1605 {
|
|
|
1606 ngx_http_scgi_loc_conf_t *scf = conf;
|
|
|
1607
|
|
|
1608 ngx_url_t u;
|
|
|
1609 ngx_str_t *value, *url;
|
|
|
1610 ngx_uint_t n;
|
|
|
1611 ngx_http_core_loc_conf_t *clcf;
|
|
|
1612 ngx_http_script_compile_t sc;
|
|
|
1613
|
|
|
1614 if (scf->upstream.upstream || scf->scgi_lengths) {
|
|
|
1615 return "is duplicate";
|
|
|
1616 }
|
|
|
1617
|
|
|
1618 clcf = ngx_http_conf_get_module_loc_conf (cf, ngx_http_core_module);
|
|
|
1619 clcf->handler = ngx_http_scgi_handler;
|
|
|
1620
|
|
|
1621 value = cf->args->elts;
|
|
|
1622
|
|
|
1623 url = &value[1];
|
|
|
1624
|
|
|
1625 n = ngx_http_script_variables_count(url);
|
|
|
1626
|
|
|
1627 if (n) {
|
|
|
1628
|
|
|
1629 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1630
|
|
|
1631 sc.cf = cf;
|
|
|
1632 sc.source = url;
|
|
|
1633 sc.lengths = &scf->scgi_lengths;
|
|
|
1634 sc.values = &scf->scgi_values;
|
|
|
1635 sc.variables = n;
|
|
|
1636 sc.complete_lengths = 1;
|
|
|
1637 sc.complete_values = 1;
|
|
|
1638
|
|
|
1639 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1640 return NGX_CONF_ERROR;
|
|
|
1641 }
|
|
|
1642
|
|
|
1643 return NGX_CONF_OK;
|
|
|
1644 }
|
|
|
1645
|
|
|
1646 ngx_memzero(&u, sizeof(ngx_url_t));
|
|
|
1647
|
|
|
1648 u.url = value[1];
|
|
|
1649 u.no_resolve = 1;
|
|
|
1650
|
|
|
1651 scf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
|
|
|
1652 if (scf->upstream.upstream == NULL) {
|
|
|
1653 return NGX_CONF_ERROR;
|
|
|
1654 }
|
|
|
1655
|
|
|
1656 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
1657 clcf->auto_redirect = 1;
|
|
|
1658 }
|
|
|
1659
|
|
|
1660 return NGX_CONF_OK;
|
|
|
1661 }
|
|
|
1662
|
|
|
1663
|
|
|
1664 static char *
|
|
|
1665 ngx_http_scgi_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1666 {
|
|
|
1667 ngx_http_scgi_loc_conf_t *scf = conf;
|
|
|
1668
|
|
|
1669 ngx_str_t *value;
|
|
|
1670 ngx_http_script_compile_t sc;
|
|
|
1671
|
|
|
1672 if (scf->upstream.store != NGX_CONF_UNSET || scf->upstream.store_lengths) {
|
|
|
1673 return "is duplicate";
|
|
|
1674 }
|
|
|
1675
|
|
|
1676 value = cf->args->elts;
|
|
|
1677
|
|
|
1678 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
1679 scf->upstream.store = 0;
|
|
|
1680 return NGX_CONF_OK;
|
|
|
1681 }
|
|
|
1682
|
|
|
1683 #if (NGX_HTTP_CACHE)
|
|
|
1684
|
|
|
1685 if (scf->upstream.cache != NGX_CONF_UNSET_PTR
|
|
|
1686 && scf->upstream.cache != NULL)
|
|
|
1687 {
|
|
|
1688 return "is incompatible with \"scgi_cache\"";
|
|
|
1689 }
|
|
|
1690
|
|
|
1691 #endif
|
|
|
1692
|
|
|
1693 if (ngx_strcmp(value[1].data, "on") == 0) {
|
|
|
1694 scf->upstream.store = 1;
|
|
|
1695 return NGX_CONF_OK;
|
|
|
1696 }
|
|
|
1697
|
|
|
1698 /* include the terminating '\0' into script */
|
|
|
1699 value[1].len++;
|
|
|
1700
|
|
|
1701 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
|
|
|
1702
|
|
|
1703 sc.cf = cf;
|
|
|
1704 sc.source = &value[1];
|
|
|
1705 sc.lengths = &scf->upstream.store_lengths;
|
|
|
1706 sc.values = &scf->upstream.store_values;
|
|
|
1707 sc.variables = ngx_http_script_variables_count(&value[1]);;
|
|
|
1708 sc.complete_lengths = 1;
|
|
|
1709 sc.complete_values = 1;
|
|
|
1710
|
|
|
1711 if (ngx_http_script_compile(&sc) != NGX_OK) {
|
|
|
1712 return NGX_CONF_ERROR;
|
|
|
1713 }
|
|
|
1714
|
|
|
1715 return NGX_CONF_OK;
|
|
|
1716 }
|
|
|
1717
|
|
|
1718
|
|
|
1719 #if (NGX_HTTP_CACHE)
|
|
|
1720
|
|
|
1721 static char *
|
|
|
1722 ngx_http_scgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1723 {
|
|
|
1724 ngx_http_scgi_loc_conf_t *scf = conf;
|
|
|
1725
|
|
|
1726 ngx_str_t *value;
|
|
|
1727
|
|
|
1728 value = cf->args->elts;
|
|
|
1729
|
|
|
1730 if (scf->upstream.cache != NGX_CONF_UNSET_PTR) {
|
|
|
1731 return "is duplicate";
|
|
|
1732 }
|
|
|
1733
|
|
|
1734 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
1735 scf->upstream.cache = NULL;
|
|
|
1736 return NGX_CONF_OK;
|
|
|
1737 }
|
|
|
1738
|
|
|
1739 if (scf->upstream.store > 0 || scf->upstream.store_lengths) {
|
|
|
1740 return "is incompatible with \"scgi_store\"";
|
|
|
1741 }
|
|
|
1742
|
|
|
1743 scf->upstream.cache = ngx_shared_memory_add(cf, &value[1], 0,
|
|
|
1744 &ngx_http_scgi_module);
|
|
|
1745 if (scf->upstream.cache == NULL) {
|
|
|
1746 return NGX_CONF_ERROR;
|
|
|
1747 }
|
|
|
1748
|
|
|
1749 return NGX_CONF_OK;
|
|
|
1750 }
|
|
|
1751
|
|
|
1752
|
|
|
1753 static char *
|
|
|
1754 ngx_http_scgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1755 {
|
|
|
1756 ngx_http_scgi_loc_conf_t *scf = conf;
|
|
|
1757
|
|
|
1758 ngx_str_t *value;
|
|
|
1759 ngx_http_compile_complex_value_t ccv;
|
|
|
1760
|
|
|
1761 value = cf->args->elts;
|
|
|
1762
|
|
|
1763 if (scf->cache_key.value.len) {
|
|
|
1764 return "is duplicate";
|
|
|
1765 }
|
|
|
1766
|
|
|
1767 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
|
|
|
1768
|
|
|
1769 ccv.cf = cf;
|
|
|
1770 ccv.value = &value[1];
|
|
|
1771 ccv.complex_value = &scf->cache_key;
|
|
|
1772
|
|
|
1773 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
|
|
|
1774 return NGX_CONF_ERROR;
|
|
|
1775 }
|
|
|
1776
|
|
|
1777 return NGX_CONF_OK;
|
|
|
1778 }
|
|
|
1779
|
|
|
1780 #endif
|
