include/rfc2181.h

   1 /*
   2  * Copyright (C) 1996-2018 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 #ifndef _SQUID_INCLUDE_RFC1123_H
  10 #define _SQUID_INCLUDE_RFC1123_H
  11
  12 /**
  13  \par RFC 2181 section 11:
  14  *  A full domain name is limited to 255 octets (including the separators).
  15  *
  16  \par RFC 1123 section 2.1:
  17  *  Host software MUST handle host names of up to 63 characters and
  18  *  SHOULD handle host names of up to 255 characters.
  19  *
  20  *\par
  21  *  Also Ref: RFC 1035 Section 3.1  (RFC1035_MAXHOSTNAMESZ)
  22  *
  23  \par
  24  *  Squid accepts up to 255 character Hostname and Fully-Qualified Domain Names.
  25  *  Squid still NULL-terminates its FQDN and hotsname strings.
  26  */
  27 #define RFC2181_MAXHOSTNAMELEN  256
  28
  29 /** Back-port macro for old squid code still using SQUIDHOSTNAMELEN without RFC reference. */
  30 #define SQUIDHOSTNAMELEN    RFC2181_MAXHOSTNAMELEN
  31
  32 #endif /* _SQUID_INCLUDE_RFC1123_H */
  33