git: 33dd42e63298 - main - inetd: don't assume that initgroups(3) will set the egid

The branch main has been updated by kevans:

URL: https://cgit.FreeBSD.org/src/commit/?id=33dd42e632982ba324789f47041d03ceb65f6560

commit 33dd42e632982ba324789f47041d03ceb65f6560
Author:     Kyle Evans <kevans@FreeBSD.org>
AuthorDate: 2025-08-08 22:34:56 +0000
Commit:     Kyle Evans <kevans@FreeBSD.org>
CommitDate: 2025-08-08 22:35:04 +0000

    inetd: don't assume that initgroups(3) will set the egid
    
    inetd, in the ident provider, seems to be the only initgroups(3)
    caller in base that assumes it will set the egid.  Everyone else uses it
    as it's typically used on other platforms: to initialize supplementary
    groups.
---
 usr.sbin/inetd/builtins.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/usr.sbin/inetd/builtins.c b/usr.sbin/inetd/builtins.c
index 9609faf0b104..21ce44c77033 100644
--- a/usr.sbin/inetd/builtins.c
+++ b/usr.sbin/inetd/builtins.c
@@ -606,6 +606,8 @@ ident_stream(int s, struct servtab *sep)
 		 */
 		if (initgroups(pw->pw_name, pw->pw_gid) == -1)
 			iderror(lport, fport, s, ID_UNKNOWN);
+		if (setegid(pw->pw_gid) == -1)
+			iderror(lport, fport, s, ID_UNKNOWN);
 		if (seteuid(pw->pw_uid) == -1)
 			iderror(lport, fport, s, ID_UNKNOWN);
 		/*