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[Bug libc/433] New: gethostbyname fails to resolve undotted decimal, hex and octal addresses
- From: "mike dot batchelor at ticketmaster dot com" <sourceware-bugzilla at sources dot redhat dot com>
- To: glibc-bugs at sources dot redhat dot com
- Date: 8 Oct 2004 22:43:31 -0000
- Subject: [Bug libc/433] New: gethostbyname fails to resolve undotted decimal, hex and octal addresses
- Reply-to: sourceware-bugzilla at sources dot redhat dot com
"telnet 0 25" stopped working after upgrading system from RH7.2 glibc 2.2.4 to
RHAS3 with glibc 2.3.2, and also after upgrading Ultra1 from Solaris 8 to RHAS3
with glibc 2.3.2. Any undotted decimal, hexadecimal or octal IP address also
fails to resolve for apps using glibc 2.3.2's gethostbyname. Apps that use
libresolv (ping, tracertoute) continue to operate as expected, and resolve
hostname '0' to IP address 0.0.0.0, which causes socket calls to connect to the
first local interface, usually lo0. They can also resolve hex or octal
addresses. Apps linked only against glibc 2.3.2 return "0: Name or service not
known" or "0xac1c3f0a: Name or service not known".
I have not used any glibc versions between 2.2.4 and 2.3.2 so I cannot pinpoint
when this change occurred. I did a search in the bug list and didn't find
anything relevant, so here I am, posting a bug.
--
Summary: gethostbyname fails to resolve undotted decimal, hex and
octal addresses
Product: glibc
Version: 2.3.2
Status: NEW
Severity: normal
Priority: P2
Component: libc
AssignedTo: gotom at debian dot or dot jp
ReportedBy: mike dot batchelor at ticketmaster dot com
CC: glibc-bugs at sources dot redhat dot com
GCC host triplet: "i686 i686 i386" and "sparc64 sun4u TI UltraSparc II"
http://sources.redhat.com/bugzilla/show_bug.cgi?id=433
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