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Date:      Sun, 4 Jul 2021 04:14:49 GMT
From:      Alan Somers <asomers@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org
Subject:   git: 5d7ae6fbb117 - stable/12 - id: sanitize arguments better
Message-ID:  <202107040414.1644Eno1015991@gitrepo.freebsd.org>

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The branch stable/12 has been updated by asomers:

URL: https://cgit.FreeBSD.org/src/commit/?id=5d7ae6fbb117fde20189db763a9561e97c2af35c

commit 5d7ae6fbb117fde20189db763a9561e97c2af35c
Author:     Alan Somers <asomers@FreeBSD.org>
AuthorDate: 2021-06-11 16:38:07 +0000
Commit:     Alan Somers <asomers@FreeBSD.org>
CommitDate: 2021-07-04 04:14:06 +0000

    id: sanitize arguments better
    
    The -[AMc] flags ignore the user argument.  Better if id rejects
    invocations that include a user argument along with any of those flags.
    
    PR:             256554
    Reviewed by:    trasz
    Sponsored by:   Axcient
    Differential Revision: https://reviews.freebsd.org/D30734
    
    (cherry picked from commit 4a06e9377398b34922f8a67d7cb3ea980b95bde8)
---
 usr.bin/id/id.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/usr.bin/id/id.c b/usr.bin/id/id.c
index 5abfb655c948..b8988dedd6f6 100644
--- a/usr.bin/id/id.c
+++ b/usr.bin/id/id.c
@@ -144,6 +144,8 @@ main(int argc, char *argv[])
 
 	if (iswhoami && argc > 0)
 		usage();
+	if ((cflag || Aflag || Mflag) && argc > 0)
+		usage();
 
 	switch(Aflag + Gflag + Mflag + Pflag + gflag + pflag + uflag) {
 	case 1:



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