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git.ipfire.org Git - thirdparty/pdns.git/blob - pdns/ednscookies.cc
2 * This file is part of PowerDNS or dnsdist.
3 * Copyright -- PowerDNS.COM B.V. and its contributors
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * In addition, for the avoidance of any doubt, permission is granted to
10 * link this program with OpenSSL and to (re)distribute the binaries
11 * produced as the result of such linking.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 #include "ednscookies.hh"
24 bool getEDNSCookiesOptFromString(const string
& option
, EDNSCookiesOpt
* eco
)
26 return getEDNSCookiesOptFromString(option
.c_str(), option
.length(), eco
);
29 bool getEDNSCookiesOptFromString(const char* option
, unsigned int len
, EDNSCookiesOpt
* eco
)
31 if(len
!= 8 && len
< 16)
33 eco
->client
= string(option
, 8);
35 eco
->server
= string(option
+ 8, len
- 8);
40 string
makeEDNSCookiesOptString(const EDNSCookiesOpt
& eco
)
43 if (eco
.client
.length() != 8)
45 if (eco
.server
.length() != 0 && (eco
.server
.length() < 8 || eco
.server
.length() > 32))
47 ret
.assign(eco
.client
);
48 if (eco
.server
.length() != 0)
49 ret
.append(eco
.server
);