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(kerberos5_is): check that the subkey is non-NULL

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@11469 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
2002-09-20 14:12:57 +00:00
parent 77b977bd7d
commit d0f02062c7
1 changed files with 9 additions and 0 deletions
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9
appl/telnet/libtelnet/kerberos5.c
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@@ -425,6 +425,15 @@ kerberos5_is(Authenticator *ap, unsigned char *data, int cnt)
return;
}
if (key_block == NULL) {
Data(ap, KRB_REJECT, "no subkey received", -1);
auth_finished(ap, AUTH_REJECT);
if (auth_debug_mode)
printf("Kerberos V5: "
"krb5_auth_con_getremotesubkey returned NULL key\r\n");
return;
}
if ((ap->way & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) {
ret = krb5_mk_rep(context, auth_context, &outbuf);
if (ret) {