From nobody Sat Oct 09 01:30:06 2021 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4C32917E509C; Sat, 9 Oct 2021 01:30:06 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4HR6tk1dWtz4nK3; Sat, 9 Oct 2021 01:30:06 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 1828D11D0D; Sat, 9 Oct 2021 01:30:06 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 1991U6XM051056; Sat, 9 Oct 2021 01:30:06 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 1991U6oh051053; Sat, 9 Oct 2021 01:30:06 GMT (envelope-from git) Date: Sat, 9 Oct 2021 01:30:06 GMT Message-Id: <202110090130.1991U6oh051053@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Ed Maste Subject: git: 172fa4aa7577 - main - OpenSSH: cherry-pick "need initgroups() before setresgid()" List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-main@freebsd.org X-BeenThere: dev-commits-src-main@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: emaste X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 172fa4aa7577915bf5ace5783251821d3774dc05 Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch main has been updated by emaste: URL: https://cgit.FreeBSD.org/src/commit/?id=172fa4aa7577915bf5ace5783251821d3774dc05 commit 172fa4aa7577915bf5ace5783251821d3774dc05 Author: Ed Maste AuthorDate: 2021-10-09 01:28:53 +0000 Commit: Ed Maste CommitDate: 2021-10-09 01:29:25 +0000 OpenSSH: cherry-pick "need initgroups() before setresgid()" From openssh-portable commits f3cbe43e28fe and bf944e3794ef. --- crypto/openssh/misc.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/crypto/openssh/misc.c b/crypto/openssh/misc.c index b8d1040d1e3c..0134d69492e4 100644 --- a/crypto/openssh/misc.c +++ b/crypto/openssh/misc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: misc.c,v 1.169 2021/08/09 23:47:44 djm Exp $ */ +/* $OpenBSD: misc.c,v 1.170 2021/09/26 14:01:03 djm Exp $ */ /* * Copyright (c) 2000 Markus Friedl. All rights reserved. * Copyright (c) 2005-2020 Damien Miller. All rights reserved. @@ -56,6 +56,7 @@ #ifdef HAVE_PATHS_H # include #include +#include #endif #ifdef SSH_TUN_OPENBSD #include @@ -2695,6 +2696,12 @@ subprocess(const char *tag, const char *command, } closefrom(STDERR_FILENO + 1); + if (geteuid() == 0 && + initgroups(pw->pw_name, pw->pw_gid) == -1) { + error("%s: initgroups(%s, %u): %s", tag, + pw->pw_name, (u_int)pw->pw_gid, strerror(errno)); + _exit(1); + } if (setresgid(pw->pw_gid, pw->pw_gid, pw->pw_gid) == -1) { error("%s: setresgid %u: %s", tag, (u_int)pw->pw_gid, strerror(errno));