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Code Issues 5 Pull Requests Releases Activity

Check NULL pointer before dereference them

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Found by Russ Allbery
This commit is contained in:
Love Hornquist Astrand
2010-05-26 11:45:17 -05:00
parent e745e97c3f
commit 7ecd5b5f9d
1 changed files with 4 additions and 2 deletions
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6
kdc/krb5tgs.c
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@@ -447,7 +447,7 @@ check_tgs_flags(krb5_context context,
}
if(f.renewable){
if(!tgt->flags.renewable){
if(!tgt->flags.renewable || tgt->renew_till == NULL){
kdc_log(context, config, 0,
"Bad request for renewable ticket");
return KRB5KDC_ERR_BADOPTION;
@@ -770,7 +770,9 @@ tgs_make_reply(krb5_context context,
et.endtime = *et.starttime + life;
}
if(f.renewable_ok && tgt->flags.renewable &&
et.renew_till == NULL && et.endtime < *b->till){
et.renew_till == NULL && et.endtime < *b->till &&
tgt->renew_till != NULL)
{
et.flags.renewable = 1;
ALLOC(et.renew_till);
*et.renew_till = *b->till;