src/xmpp/sasl/digestmd5proplist.cpp

   1 /*
   2  * Copyright (C) 2003  Justin Karneges
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  *
  18  */
  19
  20 #include "xmpp/sasl/digestmd5proplist.h"
  21
  22 namespace XMPP {
  23
  24 DIGESTMD5PropList::DIGESTMD5PropList() : QList<DIGESTMD5Prop>()
  25 {
  26 }
  27
  28 void DIGESTMD5PropList::set(const QByteArray &var, const QByteArray &val) {
  29         DIGESTMD5Prop p;
  30         p.var = var;
  31         p.val = val;
  32         append(p);
  33 }
  34
  35 QByteArray DIGESTMD5PropList::get(const QByteArray &var)
  36 {
  37         for(ConstIterator it = begin(); it != end(); ++it) {
  38                 if((*it).var == var)
  39                         return (*it).val;
  40         }
  41         return QByteArray();
  42 }
  43
  44 QByteArray DIGESTMD5PropList::toString() const
  45 {
  46         QByteArray str;
  47         bool first = true;
  48         for(ConstIterator it = begin(); it != end(); ++it) {
  49                 if(!first)
  50                         str += ',';
  51                 if ((*it).var == "realm" || (*it).var == "nonce" || (*it).var == "username" || (*it).var == "cnonce" || (*it).var == "digest-uri" || (*it).var == "authzid")
  52                         str += (*it).var + "=\"" + (*it).val + '\"';
  53                 else
  54                         str += (*it).var + "=" + (*it).val;
  55                 first = false;
  56         }
  57         return str;
  58 }
  59
  60 bool DIGESTMD5PropList::fromString(const QByteArray &str)
  61 {
  62         DIGESTMD5PropList list;
  63         int at = 0;
  64         while(1) {
  65                 while (at < str.length() && (str[at] == ',' || str[at] == ' ' || str[at] == '\t'))
  66                                 ++at;
  67                 int n = str.indexOf('=', at);
  68                 if(n == -1)
  69                         break;
  70                 QByteArray var, val;
  71                 var = str.mid(at, n-at);
  72                 at = n + 1;
  73                 if(str[at] == '\"') {
  74                         ++at;
  75                         n = str.indexOf('\"', at);
  76                         if(n == -1)
  77                                 break;
  78                         val = str.mid(at, n-at);
  79                         at = n + 1;
  80                 }
  81                 else {
  82                         n = at;
  83                         while (n < str.length() && str[n] != ',' && str[n] != ' ' && str[n] != '\t')
  84                                 ++n;
  85                         val = str.mid(at, n-at);
  86                         at = n;
  87                 }
  88                 DIGESTMD5Prop prop;
  89                 prop.var = var;
  90                 if (var == "qop" || var == "cipher") {
  91                         int a = 0;
  92                         while (a < val.length()) {
  93                                 while (a < val.length() && (val[a] == ',' || val[a] == ' ' || val[a] == '\t'))
  94                                         ++a;
  95                                 if (a == val.length())
  96                                         break;
  97                                 n = a+1;
  98                                 while (n < val.length() && val[n] != ',' && val[n] != ' ' && val[n] != '\t')
  99                                         ++n;
 100                                 prop.val = val.mid(a, n-a);
 101                                 list.append(prop);
 102                                 a = n+1;
 103                         }
 104                 }
 105                 else {
 106                         prop.val = val;
 107                         list.append(prop);
 108                 }
 109
 110                 if(at >= str.size() - 1 || (str[at] != ',' && str[at] != ' ' && str[at] != '\t'))
 111                         break;
 112         }
 113
 114         // integrity check
 115         if(list.varCount("nonce") != 1)
 116                 return false;
 117         if(list.varCount("algorithm") != 1)
 118                 return false;
 119         *this = list;
 120         return true;
 121 }
 122
 123 int DIGESTMD5PropList::varCount(const QByteArray &var)
 124 {
 125         int n = 0;
 126         for(ConstIterator it = begin(); it != end(); ++it) {
 127                 if((*it).var == var)
 128                         ++n;
 129         }
 130         return n;
 131 }
 132
 133 }