[11253] in Kerberos-V5-bugs
[krbdev.mit.edu #6600] gss_inquire_context cannot handle no target
daemon@ATHENA.MIT.EDU (Arlene Berry" via RT)
Tue Dec 22 18:20:13 2009
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From: ""Arlene Berry" via RT" <rt-comment@krbdev.MIT.EDU>
In-Reply-To: <rt-6600@krbdev.mit.edu>
Message-ID: <rt-6600-31929.12.5071508909057@krbdev.mit.edu>
To: "'AdminCc of krbdev.mit.edu Ticket #6600'":;"'AdminCc of krbdev.mit.edu Ticket #6600'":;@MIT.EDU
Date: Tue, 22 Dec 2009 23:19:53 +0000 (UTC)
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According to RFC 2744 it is possible for gss_inquire_context to return
GSS_C_NO_NAME for the target name but if a mechanism actually does it
the mechglue layer segfaults. This fixes it:
Index: g_inq_context.c
===================================================================
--- g_inq_context.c (revision 23482)
+++ g_inq_context.c (working copy)
@@ -140,7 +140,8 @@
}
- if (targ_name) {
+ if (targ_name ) {
+ if (localTargName) {
status =
gssint_convert_name_to_union_name(minor_status, mech,
localTargName, targ_name);
@@ -150,6 +151,10 @@
return (status);
}
+ }
+ else {
+ *targ_name = GSS_C_NO_NAME;
+ }
}
/* spec says mech type must point to static storage */
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