From f1d87241987e4b46ae839395c06d9eb48e630fa7 Mon Sep 17 00:00:00 2001 From: Nicholas Marriott Date: Tue, 8 Mar 2022 11:02:17 +0000 Subject: Add getpeerid compat. --- compat/getpeereid.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 compat/getpeereid.c (limited to 'compat/getpeereid.c') diff --git a/compat/getpeereid.c b/compat/getpeereid.c new file mode 100644 index 00000000..722f14a2 --- /dev/null +++ b/compat/getpeereid.c @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2022 Nicholas Marriott + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER + * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include +#include + +#include + +#include "compat.h" + +int +getpeereid(int s, uid_t *uid, gid_t *gid) +{ +#ifdef HAVE_SO_PEERCRED + struct ucred uc; + int len = sizeof uc; + + if (getsockopt(s, SOL_SOCKET, SO_PEERCRED, &uc, &len) == -1) + return (-1); + *uid = uc.uid; + *gid = uc.gid; + return (0); +#else + errno = EOPNOTSUPP; + return (-1); +#endif +} -- cgit