https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3892
Summary: Fix for MIOP dissector for GIOP < 1.2
Product: Wireshark
Version: SVN
Platform: All
OS/Version: All
Status: NEW
Severity: Normal
Priority: Low
Component: Wireshark
AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
ReportedBy: steve@xxxxxxxxxxxxx
Build Information:
TShark 1.3.0 (SVN Rev 29392 from /trunk)
Copyright 1998-2009 Gerald Combs <gerald@xxxxxxxxxxxxx> and contributors.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Compiled with GLib 2.16.6, with libpcap 0.9.8, with libz 1.2.3.3, without POSIX
capabilities, without libpcre, without SMI, without c-ares, without ADNS,
without Lua, without Python, with GnuTLS 2.4.2, with Gcrypt 1.4.1, without
Kerberos, without GeoIP.
NOTE: this build doesn't support the "matches" operator for Wireshark filter
syntax.
Running on Linux 2.6.26-2-amd64, with libpcap version 0.9.8, GnuTLS 2.4.2,
Gcrypt 1.4.1.
Built using gcc 4.3.2.
--
For GIOP 1.2 MIOP used the request header TargetAddress union type to
encode it's profile as an address of type ProfileAddr. From the IDL:
union TargetAddress switch (AddressingDisposition) {
case KeyAddr: sequence <octet> object_key;
case ProfileAddr: IOP::TaggedProfile profile;
case ReferenceAddr: IORAddressingInfo ior;
};
struct RequestHeader_1_2 {
unsigned long request_id;
octet response_flags;
octet reserved[3];
TargetAddress target;
string operation;
// Principal not in GIOP 1.2
IOP::ServiceContextList service_context; // 1.2 change
};
However prior to GIOP 1.2 TargetAddress was not supported so MIOP profiles are
encoded where an object_key is normally expected, prefixed by the magic byte
sequence of 'MIOP'. From the IDL:
struct RequestHeader_1_1 {
IOP::ServiceContextList service_context;
unsigned long request_id;
boolean response_expected;
octet reserved[3]; // Added in GIOP 1.1
sequence <octet> object_key;
string operation;
CORBA::Principal requesting_principal;
};
The patch adds decoding for MIOP profiles encoded in this way.
--
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