some more checks

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@3123 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
1997-08-24 11:01:35 +00:00
parent 035128a796
commit 25410aa3e0

View File

@@ -307,6 +307,12 @@ create_reply_ticket (struct rx_header *hdr,
krb5_storage_to_data (sp, &enc_data);
krb5_storage_free (sp);
if (enc_data.length > max_seq_len) {
krb5_data_free (&enc_data);
make_error_reply (hdr, KAANSWERTOOLONG, reply);
return 0;
}
/* encrypt it */
des_set_key (key, schedule);
des_pcbc_encrypt ((des_cblock *)enc_data.data,
@@ -631,7 +637,22 @@ do_getticket (struct rx_header *hdr,
&paddress, session, &life, &time_sec,
sname, sinstance,
&key, schedule);
/* XXX - check all the fields */
if (strcmp (sname, "krbtgt") != 0
|| strcmp (sinstance, v4_realm) != 0) {
kdc_log(0, "no TGT: %s.%s for %s.%s@%s",
sname, sinstance,
pname, pinst, prealm);
make_error_reply (hdr, KABADTICKET, reply);
goto out;
}
if (kdc_time > krb_life_to_time(time_sec, life)) {
kdc_log(0, "TGT expired: %s.%s@%s",
pname, pinst, prealm);
make_error_reply (hdr, KABADTICKET, reply);
goto out;
}
}
/* decrypt the times */