[108] | 1 | /**********************************************************************
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| 2 | *
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| 3 | * cgiutils.cpp -- general cgi utilities
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| 4 | * Copyright (C) 1999 The New Zealand Digital Library Project
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| 5 | *
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[533] | 6 | * A component of the Greenstone digital library software
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| 7 | * from the New Zealand Digital Library Project at the
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| 8 | * University of Waikato, New Zealand.
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[108] | 9 | *
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[533] | 10 | * This program is free software; you can redistribute it and/or modify
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| 11 | * it under the terms of the GNU General Public License as published by
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| 12 | * the Free Software Foundation; either version 2 of the License, or
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| 13 | * (at your option) any later version.
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| 14 | *
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| 15 | * This program is distributed in the hope that it will be useful,
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| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 18 | * GNU General Public License for more details.
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| 19 | *
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| 20 | * You should have received a copy of the GNU General Public License
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| 21 | * along with this program; if not, write to the Free Software
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| 22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 23 | *
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[108] | 24 | *********************************************************************/
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| 25 |
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| 26 | #include "cgiutils.h"
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[3151] | 27 | #include "gsdlunicode.h"
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[3217] | 28 | #include "unitool.h" // in mg, for output_utf8_char
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[108] | 29 |
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| 30 | static unsigned short hexdigit (unsigned short c) {
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| 31 | if (c >= '0' && c <= '9') return (c-'0');
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| 32 | if (c >= 'a' && c <= 'f') return (c-'a'+10);
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| 33 | if (c >= 'A' && c <= 'F') return (c-'A'+10);
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| 34 | return c;
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| 35 | }
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| 36 |
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| 37 |
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| 38 | static void c2hex (unsigned short c, text_t &t) {
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| 39 | t.clear();
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| 40 |
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| 41 | if (c >= 256) {
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| 42 | t = "20"; // ' '
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| 43 | return;
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| 44 | }
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| 45 |
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| 46 | unsigned short o1, o2;
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| 47 |
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| 48 | o1 = (c/16) % 16;
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| 49 | o2 = c % 16;
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| 50 | if (o1 >= 10) o1 += 'a' - 10;
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| 51 | else o1 += '0';
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| 52 | if (o2 >= 10) o2 += 'a' - 10;
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| 53 | else o2 += '0';
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| 54 |
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| 55 | t.push_back(o1);
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| 56 | t.push_back(o2);
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| 57 | }
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| 58 |
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| 59 | // convert %xx and + to their appropriate equivalents
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[3217] | 60 | // IE 6.0 and later use "%u" followed by 4 hex digits... MS IIS extension!
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[108] | 61 | void decode_cgi_arg (text_t &argstr) {
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| 62 | text_t::iterator in = argstr.begin();
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| 63 | text_t::iterator out = in;
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| 64 | text_t::iterator end = argstr.end();
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| 65 |
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| 66 | while (in != end) {
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| 67 | if (*in == '+') *out = ' ';
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| 68 |
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| 69 | else if (*in == '%') {
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| 70 | unsigned short c = '%';
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[3151] | 71 | ++in;
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| 72 | if (in != end) { // this is an encoding...
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| 73 | if (*in == 'u') { // convert %uHHHH to unicode then current encoding
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| 74 | // this assumes a short int is at least 16 bits...
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| 75 | ++in;
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| 76 | if (in != end)
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| 77 | c=hexdigit(*in++) << 12;
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| 78 | if (in != end)
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| 79 | c+=hexdigit(*in++) << 8;
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| 80 | if (in != end)
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| 81 | c+=hexdigit(*in++) << 4;
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| 82 | if (in != end)
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| 83 | c+=hexdigit(*in);
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| 84 | /* BAD!! The following assumes the interface is using utf-8. But
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| 85 | at this point we don't know what encoding we are using, unless
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| 86 | we can parse it out of the string we are currently decoding... */
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| 87 | text_t uni=" ";
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| 88 | uni[0]=c;
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| 89 | text_t utf8=to_utf8(uni);
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| 90 | int last_byte=utf8.size()-1;
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[9620] | 91 | for (int i=0;i<last_byte;++i)
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[3151] | 92 | *out++ = utf8[i];
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| 93 | c=utf8[last_byte];
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| 94 | } else { // convert %HH to hex value
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| 95 | c = hexdigit (*in);
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| 96 | ++in;
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| 97 | if (in != end && c < 16) { // sanity check on the previous character
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| 98 | c = c*16 + hexdigit (*in);
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| 99 | }
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| 100 | }
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[108] | 101 | }
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| 102 | *out = c;
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| 103 | } else *out = *in;
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| 104 |
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[9620] | 105 | if (in != end) ++in;
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| 106 | ++out;
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[108] | 107 | }
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| 108 |
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| 109 | // remove the excess characters
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| 110 | argstr.erase (out, end);
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| 111 | }
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| 112 |
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| 113 |
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| 114 | // split up the cgi arguments
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[776] | 115 | void split_cgi_args (const cgiargsinfoclass &argsinfo, text_t argstr,
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| 116 | cgiargsclass &args) {
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[108] | 117 | args.clear();
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| 118 |
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[7432] | 119 | text_t::const_iterator here = argstr.begin();
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| 120 | text_t::const_iterator end = argstr.end();
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[108] | 121 | text_t key, value;
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| 122 |
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| 123 | // extract out the key=value pairs
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| 124 | while (here != end) {
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| 125 | // get the next key and value pair
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| 126 | here = getdelimitstr (here, end, '=', key);
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| 127 | here = getdelimitstr (here, end, '&', value);
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| 128 |
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| 129 | // convert %xx and + to their appropriate equivalents
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[614] | 130 | decode_cgi_arg (value);
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[607] | 131 |
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[108] | 132 | value.setencoding(1); // other encoding
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| 133 | // store this key=value pair
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[764] | 134 | if (!key.empty()) {
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[2426] | 135 |
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| 136 | // if arg occurs multiple times (as is the case with multiple
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| 137 | // checkboxes using the same name) we'll create a comma separated
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| 138 | // list of all the values (this uses a hack that encodes naturally
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| 139 | // occurring commas as %2C - values will therefore need to be decoded
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| 140 | // again before use) - it should use an array instead
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[2417] | 141 | const cgiarginfo *info = argsinfo.getarginfo (key);
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| 142 | if (info != NULL && info->multiplevalue) {
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| 143 | text_t newvalue = args[key];
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| 144 | if (args.lookupcgiarg(key).source == cgiarg_t::cgi_arg) newvalue += ",";
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[2426] | 145 | newvalue += encode_commas(value);
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[2417] | 146 | args.setarg (key, newvalue, cgiarg_t::cgi_arg);
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| 147 |
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| 148 | } else {
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[764] | 149 | args.setarg (key, value, cgiarg_t::cgi_arg);
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[2417] | 150 | }
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[764] | 151 | }
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[108] | 152 | }
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| 153 | }
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| 154 |
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[2426] | 155 | text_t encode_commas (const text_t &intext) {
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| 156 |
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| 157 | text_t outtext;
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| 158 |
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| 159 | text_t::const_iterator here = intext.begin ();
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| 160 | text_t::const_iterator end = intext.end ();
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| 161 |
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| 162 | while (here != end) {
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| 163 | if (*here == ',') outtext += "%2C";
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| 164 | else outtext.push_back (*here);
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[9620] | 165 | ++here;
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[2426] | 166 | }
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| 167 | return outtext;
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| 168 | }
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| 169 |
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| 170 | text_t decode_commas (const text_t &intext) {
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| 171 |
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| 172 | text_t outtext;
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| 173 |
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| 174 | text_t::const_iterator here = intext.begin ();
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| 175 | text_t::const_iterator end = intext.end ();
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| 176 |
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| 177 | while (here != end) {
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| 178 | if ((here+2<end) && *here == '%' && *(here+1) == '2' &&
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| 179 | (*(here+2) == 'C' || *(here+2) == 'c')) {
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| 180 | here += 2;
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| 181 | outtext.push_back(',');
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| 182 |
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| 183 | }else outtext.push_back (*here);
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[9620] | 184 | ++here;
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[2426] | 185 | }
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| 186 | return outtext;
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| 187 | }
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| 188 |
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[607] | 189 | text_t minus_safe (const text_t &intext) {
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| 190 |
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| 191 | text_t outtext;
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| 192 |
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| 193 | text_t::const_iterator here = intext.begin ();
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| 194 | text_t::const_iterator end = intext.end ();
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| 195 |
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| 196 | while (here != end) {
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[1504] | 197 | if (*here == '-') outtext += "Zz-";
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[607] | 198 | else outtext.push_back (*here);
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[9620] | 199 | ++here;
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[607] | 200 | }
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[614] | 201 | outtext = cgi_safe (outtext);
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[607] | 202 | return outtext;
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| 203 | }
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| 204 |
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[108] | 205 | text_t cgi_safe (const text_t &intext) {
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| 206 | text_t outtext;
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| 207 |
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| 208 | text_t::const_iterator here = intext.begin ();
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| 209 | text_t::const_iterator end = intext.end ();
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| 210 | unsigned short c;
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| 211 | text_t ttmp;
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| 212 |
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| 213 | while (here != end) {
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| 214 | c = *here;
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| 215 | if (((c >= 'a') && (c <= 'z')) ||
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| 216 | ((c >= 'A') && (c <= 'Z')) ||
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[474] | 217 | ((c >= '0') && (c <= '9')) ||
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[614] | 218 | (c == '+') || (c == '%') || (c == '-')) {
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[108] | 219 | // alphanumeric character
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| 220 | outtext.push_back(c);
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| 221 | } else if (c == ' ') {
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| 222 | // space
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[150] | 223 | outtext.push_back('+');
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[3217] | 224 | } else if (c > 255) { // unicode character
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| 225 | unsigned char buf[3]; // up to 3 bytes
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| 226 | buf[0]='\0';buf[1]='\0';buf[2]='\0';
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| 227 | output_utf8_char(c,buf, buf+2);
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| 228 | outtext.push_back('%');
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| 229 | c2hex(buf[0], ttmp);
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| 230 | outtext += ttmp;
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| 231 | outtext.push_back('%');
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| 232 | c2hex(buf[1], ttmp);
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| 233 | outtext += ttmp;
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| 234 | if (buf[2]) {
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| 235 | outtext.push_back('%');
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| 236 | c2hex(buf[2], ttmp);
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| 237 | outtext += ttmp;
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| 238 | }
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[108] | 239 | } else {
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| 240 | // everything else
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| 241 | outtext.push_back('%');
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| 242 | c2hex(c, ttmp);
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| 243 | outtext += ttmp;
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| 244 | }
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| 245 |
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[9620] | 246 | ++here;
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[108] | 247 | }
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| 248 |
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| 249 | return outtext;
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| 250 | }
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[155] | 251 |
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| 252 |
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| 253 |
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| 254 |
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| 255 | static text_t::const_iterator get_next_save_arg (text_t::const_iterator first,
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| 256 | text_t::const_iterator last,
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| 257 | text_t &argname) {
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| 258 | first = getdelimitstr (first, last, '-', argname);
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| 259 | return first;
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| 260 | }
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| 261 |
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| 262 |
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| 263 | // check_save_conf_str checks the configuration string for
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| 264 | // the saved args and makes sure it does not conflict with
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| 265 | // the information about the arguments. If an error is encountered
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| 266 | // it will return false and the program should not produce any
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| 267 | // output.
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| 268 | bool check_save_conf_str (const text_t &saveconf,
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| 269 | const cgiargsinfoclass &argsinfo,
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| 270 | ostream &logout) {
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| 271 | outconvertclass text_t2ascii;
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| 272 |
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| 273 | text_tset argsset;
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| 274 | text_t::const_iterator saveconfhere = saveconf.begin ();
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| 275 | text_t::const_iterator saveconfend = saveconf.end ();
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| 276 | text_t argname;
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| 277 | const cgiarginfo *info;
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| 278 |
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| 279 | // first check to make sure all saved arguments can be saved
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| 280 |
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| 281 | while (saveconfhere != saveconfend) {
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| 282 | saveconfhere = get_next_save_arg (saveconfhere, saveconfend, argname);
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| 283 |
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| 284 | if (!argname.empty()) {
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| 285 | // save the argument name for later
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| 286 | argsset.insert (argname);
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| 287 |
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| 288 | // check the argument
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| 289 | info = argsinfo.getarginfo (argname);
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| 290 | if (info == NULL) {
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| 291 | logout << text_t2ascii << "Error: the cgi argument \"" << argname
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| 292 | << "\" is used in the configuration string for the\n"
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| 293 | << "saved arguments but does not exist as a valid argument.\n\n";
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| 294 | return false;
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| 295 | }
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| 296 | if (info->savedarginfo == cgiarginfo::mustnot) {
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| 297 | logout << text_t2ascii << "Error: the cgi argument \"" << argname
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| 298 | << "\" is used in the configuration string for the\n"
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| 299 | << "saved arguments but has been specified as an argument whose\n"
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| 300 | << "state must not be saved.\n\n";
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| 301 | return false;
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| 302 | }
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| 303 | }
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| 304 | }
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| 305 |
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| 306 |
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| 307 | // next check that all saved arguments that should be saved
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| 308 | // are saved
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| 309 | cgiargsinfoclass::const_iterator argsinfohere = argsinfo.begin ();
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| 310 | cgiargsinfoclass::const_iterator argsinfoend = argsinfo.end ();
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| 311 |
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| 312 | while (argsinfohere != argsinfoend) {
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| 313 | if (((*argsinfohere).second.savedarginfo == cgiarginfo::must) &&
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| 314 | (argsset.find((*argsinfohere).second.shortname) == argsset.end())) {
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| 315 | logout << text_t2ascii << "Error: the cgi argument \""
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| 316 | << (*argsinfohere).second.shortname << "\" was specified as needing to\n"
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| 317 | << "be save but was not listed in the saved arguments.\n\n";
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| 318 | return false;
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| 319 | }
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| 320 |
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[9620] | 321 | ++argsinfohere;
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[155] | 322 | }
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| 323 |
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| 324 | return true; // made it, no clashes
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| 325 | }
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| 326 |
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| 327 |
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| 328 | // create_save_conf_str will create a configuration string
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| 329 | // based on the information in argsinfo. This method of configuration
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| 330 | // is not recomended as small changes can produce large changes in
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| 331 | // the resulting configuration string (for instance a totally different
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| 332 | // ordering). Only arguments which "must" be saved are included in
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| 333 | // the resulting string.
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| 334 | text_t create_save_conf_str (const cgiargsinfoclass &argsinfo,
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| 335 | ostream &/*logout*/) {
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| 336 | cgiargsinfoclass::const_iterator argsinfohere = argsinfo.begin ();
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| 337 | cgiargsinfoclass::const_iterator argsinfoend = argsinfo.end ();
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| 338 | text_t saveconf;
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| 339 | bool first = true;
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| 340 |
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| 341 | while (argsinfohere != argsinfoend) {
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| 342 | // save this argument if it must be saved
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| 343 | if ((*argsinfohere).second.savedarginfo == cgiarginfo::must) {
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| 344 | if (!first) saveconf.push_back ('-');
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| 345 | else first = false;
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| 346 | saveconf += (*argsinfohere).second.shortname;
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| 347 | }
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| 348 |
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[9620] | 349 | ++argsinfohere;
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[155] | 350 | }
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| 351 |
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| 352 | return saveconf;
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| 353 | }
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| 354 |
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| 355 |
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| 356 | // expand_save_args will expand the saved arguments based
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| 357 | // on saveconf placing the results in args if they are not
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| 358 | // already defined. If it encounters an error it will return false
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| 359 | // and output more information to logout.
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| 360 | bool expand_save_args (const cgiargsinfoclass &argsinfo,
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| 361 | const text_t &saveconf,
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| 362 | cgiargsclass &args,
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| 363 | ostream &logout) {
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| 364 | outconvertclass text_t2ascii;
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| 365 |
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| 366 | text_t *arg_e = args.getarg("e");
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| 367 | if (arg_e == NULL) return true; // no compressed arguments
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| 368 | if (arg_e->empty()) return true; // no compressed arguments
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| 369 |
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| 370 | text_t argname, argvalue;
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| 371 | const cgiarginfo *argnameinfo;
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| 372 |
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| 373 | text_t::const_iterator saveconfhere = saveconf.begin();
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| 374 | text_t::const_iterator saveconfend = saveconf.end();
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| 375 |
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| 376 | text_t::iterator arg_ehere = arg_e->begin();
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| 377 | text_t::iterator arg_eend = arg_e->end();
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| 378 | while (saveconfhere != saveconfend && arg_ehere != arg_eend) {
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| 379 | saveconfhere = get_next_save_arg (saveconfhere, saveconfend, argname);
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| 380 |
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| 381 | if (!argname.empty()) {
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| 382 | // found another entry
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| 383 | argnameinfo = argsinfo.getarginfo (argname);
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| 384 |
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| 385 | if (argnameinfo == NULL) {
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| 386 | // no information about the argument could be found
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| 387 | // we can't keep going because we don't know whether
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| 388 | // this argument is a single or multiple character value
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| 389 | logout << text_t2ascii << "Error: the cgi argument \"" << argname
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| 390 | << "\" was specified as being a compressed argument\n"
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| 391 | << "but no information about it could be found within the "
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| 392 | << "cgiargsinfoclass.\n";
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| 393 | return false;
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| 394 |
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| 395 | } else {
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[294] | 396 |
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[155] | 397 | // found the argument information
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| 398 | if (argnameinfo->multiplechar) {
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[607] | 399 | text_t::const_iterator sav = arg_ehere;
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[155] | 400 | arg_ehere = getdelimitstr (arg_ehere, arg_eend, '-', argvalue);
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[1504] | 401 | // replace any '-' chars escaped with 'Zz'
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[1422] | 402 | bool first = true;
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[1504] | 403 | while ((*(arg_ehere-3) == 'Z') && (*(arg_ehere-2) == 'z')) {
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[1422] | 404 | if (first) argvalue.clear();
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[607] | 405 | arg_ehere = (findchar (arg_ehere, arg_eend, '-')) + 1;
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| 406 | while (sav != (arg_ehere-1)) {
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[1504] | 407 | if (!((*sav == 'Z') && (*(sav+1) == 'z') && (*(sav+2) == '-')) &&
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| 408 | !((*(sav-1) == 'Z') && (*sav == 'z') && (*(sav+1) == '-'))) argvalue.push_back (*sav);
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[9620] | 409 | ++sav;
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[607] | 410 | }
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[1422] | 411 | first = false;
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[607] | 412 | }
|
---|
| 413 |
|
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[294] | 414 | argvalue.setencoding(1); // other encoding
|
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[366] | 415 | if (!argvalue.empty()) args.setdefaultarg (argname, argvalue, cgiarg_t::compressed_arg);
|
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[155] | 416 | } else {
|
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[366] | 417 | args.setdefaultcarg (argname,*arg_ehere, cgiarg_t::compressed_arg);
|
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[9620] | 418 | ++arg_ehere;
|
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[155] | 419 | }
|
---|
| 420 | }
|
---|
| 421 | }
|
---|
| 422 | }
|
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| 423 |
|
---|
| 424 | return true;
|
---|
| 425 | }
|
---|
| 426 |
|
---|
| 427 |
|
---|
| 428 | // adds the default values for those arguments which have not
|
---|
| 429 | // been specified
|
---|
| 430 | void add_default_args (const cgiargsinfoclass &argsinfo,
|
---|
| 431 | cgiargsclass &args,
|
---|
| 432 | ostream &/*logout*/) {
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| 433 | cgiargsinfoclass::const_iterator argsinfohere = argsinfo.begin ();
|
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| 434 | cgiargsinfoclass::const_iterator argsinfoend = argsinfo.end ();
|
---|
| 435 |
|
---|
| 436 | while (argsinfohere != argsinfoend) {
|
---|
| 437 | if ((*argsinfohere).second.defaultstatus != cgiarginfo::none) {
|
---|
| 438 | args.setdefaultarg ((*argsinfohere).second.shortname,
|
---|
[366] | 439 | (*argsinfohere).second.argdefault, cgiarg_t::default_arg);
|
---|
[155] | 440 | }
|
---|
[9620] | 441 | ++argsinfohere;
|
---|
[155] | 442 | }
|
---|
| 443 | }
|
---|
| 444 |
|
---|
| 445 |
|
---|
| 446 | // compress_save_args will compress the arguments and return
|
---|
| 447 | // them in compressed_args. If an error was encountered
|
---|
| 448 | // compressed_args will be set to to "", an error will be
|
---|
| 449 | // written to logout, and the function will return false.
|
---|
| 450 | bool compress_save_args (const cgiargsinfoclass &argsinfo,
|
---|
| 451 | const text_t &saveconf,
|
---|
| 452 | cgiargsclass &args,
|
---|
| 453 | text_t &compressed_args,
|
---|
[294] | 454 | outconvertclass &outconvert,
|
---|
[155] | 455 | ostream &logout) {
|
---|
| 456 | outconvertclass text_t2ascii;
|
---|
| 457 |
|
---|
| 458 | compressed_args.clear();
|
---|
| 459 |
|
---|
| 460 | text_t argname, argvalue;
|
---|
| 461 | const cgiarginfo *argnameinfo;
|
---|
| 462 |
|
---|
| 463 | text_t::const_iterator saveconfhere = saveconf.begin();
|
---|
| 464 | text_t::const_iterator saveconfend = saveconf.end();
|
---|
| 465 |
|
---|
| 466 | while (saveconfhere != saveconfend) {
|
---|
| 467 | saveconfhere = get_next_save_arg (saveconfhere, saveconfend, argname);
|
---|
| 468 |
|
---|
| 469 | if (!argname.empty()) {
|
---|
| 470 | // found another entry
|
---|
| 471 | argnameinfo = argsinfo.getarginfo (argname);
|
---|
| 472 |
|
---|
| 473 | if (argnameinfo == NULL) {
|
---|
| 474 | // no information about the argument could be found
|
---|
| 475 | // we can't keep going because we don't know whether
|
---|
| 476 | // this argument is a single or multiple character value
|
---|
| 477 | logout << text_t2ascii << "Error: the cgi argument \"" << argname
|
---|
| 478 | << "\" was specified as being a compressed argument\n"
|
---|
| 479 | << "but no information about it could be found within the "
|
---|
| 480 | << "cgiargsinfoclass.\n";
|
---|
| 481 | compressed_args.clear();
|
---|
| 482 | return false;
|
---|
| 483 |
|
---|
| 484 | } else {
|
---|
| 485 | // found the argument information
|
---|
| 486 | if (argnameinfo->multiplechar) {
|
---|
[607] | 487 | // multiple character argument -- sort out any '-' chars
|
---|
[9674] | 488 | if (args["w"]=="utf-16be") // browsers don't like \0 in urls...
|
---|
[3670] | 489 | compressed_args += minus_safe (args[argname]);
|
---|
| 490 | else
|
---|
| 491 | compressed_args += minus_safe (outconvert.convert(args[argname]));
|
---|
| 492 |
|
---|
[155] | 493 | if (saveconfhere != saveconfend) compressed_args.push_back ('-');
|
---|
| 494 |
|
---|
| 495 | } else {
|
---|
| 496 | // single character argument
|
---|
| 497 | if (args[argname].size() == 0) {
|
---|
| 498 | logout << text_t2ascii << "Error: the cgi argument \"" << argname
|
---|
| 499 | << "\" was specified as being a compressed argument which\n"
|
---|
| 500 | << "should have a one character value but it was empty.\n\n";
|
---|
| 501 | compressed_args.clear ();
|
---|
| 502 | return false;
|
---|
| 503 |
|
---|
| 504 | } else if (args[argname].size() > 1) {
|
---|
| 505 | logout << text_t2ascii << "Error: the cgi argument \"" << argname
|
---|
| 506 | << "\" was specified as being a compressed argument which\n"
|
---|
| 507 | << "should have a one character value but it had multiple characters.\n\n";
|
---|
| 508 | compressed_args.clear ();
|
---|
| 509 | return false;
|
---|
| 510 | }
|
---|
| 511 |
|
---|
| 512 | // everything is ok
|
---|
| 513 | compressed_args += args[argname];
|
---|
| 514 | }
|
---|
| 515 | }
|
---|
| 516 | }
|
---|
| 517 | }
|
---|
| 518 |
|
---|
| 519 | return true;
|
---|
| 520 | }
|
---|
| 521 |
|
---|
| 522 |
|
---|
| 523 | // args_tounicode converts any arguments which are not in unicode
|
---|
| 524 | // to unicode using inconvert
|
---|
| 525 | void args_tounicode (cgiargsclass &args, inconvertclass &inconvert) {
|
---|
| 526 | cgiargsclass::iterator here = args.begin();
|
---|
| 527 | cgiargsclass::iterator end = args.end();
|
---|
| 528 |
|
---|
| 529 | while (here != end) {
|
---|
[366] | 530 | if ((*here).second.value.getencoding() > 0) {
|
---|
| 531 | (*here).second.value = inconvert.convert((*here).second.value);
|
---|
[155] | 532 | }
|
---|
| 533 |
|
---|
[9620] | 534 | ++here;
|
---|
[155] | 535 | }
|
---|
| 536 | }
|
---|
[873] | 537 |
|
---|
| 538 | // fcgienv will be loaded with environment name-value pairs
|
---|
| 539 | // if using fastcgi (had to do this as getenv doesn't work
|
---|
| 540 | // with our implementation of fastcgi). if fcgienv is empty
|
---|
| 541 | // we'll simply use getenv
|
---|
| 542 | text_t gsdl_getenv (const text_t &name, text_tmap &fcgienv) {
|
---|
| 543 | if (fcgienv.empty()) {
|
---|
| 544 | char *n = name.getcstr();
|
---|
| 545 | char *v = getenv(n);
|
---|
[7432] | 546 | delete []n;
|
---|
[873] | 547 | if (v != NULL) return v;
|
---|
[7432] | 548 | return g_EmptyText;
|
---|
[873] | 549 |
|
---|
| 550 | } else return fcgienv[name];
|
---|
| 551 | }
|
---|