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fcntl: decode F_GETOWNER_UIDS

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* fcntl.c (print_owner_uids): New function.
(print_fcntl) <case F_GETOWNER_UIDS>: Decode command using
print_owner_uids.
This commit is contained in:
Eugene Syromyatnikov 2018-10-26 01:46:25 +02:00
parent 7908a872ba
commit 606a8f39e8
1 changed files with 20 additions and 0 deletions
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20
fcntl.c
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@ -98,6 +98,19 @@ print_rwhint(struct tcb *const tcp, const kernel_ulong_t addr)
tprints("]");
}
static void
print_owner_uids(struct tcb *const tcp, const kernel_ulong_t addr)
{
uint32_t uids[2];
if (umove_or_printaddr(tcp, addr, uids))
return;
printuid("[", uids[0]); /* Real */
printuid(", ", uids[1]); /* Effective */
tprints("]");
}
static int
print_fcntl(struct tcb *tcp)
{
@ -211,6 +224,13 @@ print_fcntl(struct tcb *tcp)
return 0;
tcp->auxstr = signame(tcp->u_rval);
return RVAL_STR;
case F_GETOWNER_UIDS:
if (entering(tcp)) {
tprints(", ");
return 0;
}
print_owner_uids(tcp, tcp->u_arg[2]);
break;
default:
tprintf(", %#" PRI_klx, tcp->u_arg[2]);
break;