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krb5: Fix crash in resolving "DIR" as a ccache name (Fix #1108)

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This commit is contained in:
Nicolas Williams
2023-05-26 13:47:26 -05:00
parent 7812c17f95
commit 39f24c4cd4
2 changed files with 3 additions and 5 deletions
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6
kuser/kinit.1
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@@ -371,13 +371,11 @@ this is a FILE cache in a file named
(the default would be (the default would be
.Ql /tmp/krb5cc_{UID} ) .Ql /tmp/krb5cc_{UID} )
.It Ql FILE:/tmp/cc+jane@TEST.H5L.SE .It Ql FILE:/tmp/cc+jane@TEST.H5L.SE
.It Ql DIR: .It Ql DIR:/tmp/ccdir
this is a FILE cache named by this is a FILE cache named by
.Ql /tmp/krb5cc_{UID}_dir/primary .Ql /tmp/krb5cc_{UID}_dir/primary
which will be of the form which will be of the form
.Ql /tmp/krb5cc_{UID}_dir/tkt.XXXXXX .Ql /tmp/ccdir/tkt.XXXXXX
.It Ql DIR:/tmp/ccdir
same, but in the givern directory rather than the default
.It Ql DIR:/tmp/ccdir:jane@TEST.H5L.SE .It Ql DIR:/tmp/ccdir:jane@TEST.H5L.SE
this is a FILE ccache named this is a FILE ccache named
.Ql /tmp/ccdir/tkt.jane@TEST.H5L.SE .Ql /tmp/ccdir/tkt.jane@TEST.H5L.SE

2
lib/krb5/dcache.c
View File

@@ -377,7 +377,7 @@ dcc_resolve_2(krb5_context context,
* *
*/ */
if (*res == '\0' || (res[0] == ':' && res[1] == '\0')) { if (res == NULL || *res == '\0' || (res[0] == ':' && res[1] == '\0')) {
/* XXX Why not? */ /* XXX Why not? */
krb5_set_error_message(context, KRB5_CC_FORMAT, krb5_set_error_message(context, KRB5_CC_FORMAT,
N_("\"DIR:\" is not a valid ccache name", "")); N_("\"DIR:\" is not a valid ccache name", ""));