From 39194f030918b87eeb3e11e94cfa05f575fb47b4 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Thu, 3 Aug 2017 19:00:01 +0200 Subject: new NOFORKs: pwdx,kill[all5],ttysize,realpath,readlink NOEXECs: date,resize function old new delta run_nofork_applet 258 280 +22 readlink_main 112 123 +11 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 33/0) Total: 33 bytes Signed-off-by: Denys Vlasenko --- libbb/bb_pwd.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'libbb/bb_pwd.c') diff --git a/libbb/bb_pwd.c b/libbb/bb_pwd.c index 4829b723a..dca0a150b 100644 --- a/libbb/bb_pwd.c +++ b/libbb/bb_pwd.c @@ -31,9 +31,9 @@ struct group* FAST_FUNC xgetgrnam(const char *name) return gr; } - struct passwd* FAST_FUNC xgetpwuid(uid_t uid) { + /* Note: used in nofork applets (whoami), be careful not to leak anything */ struct passwd *pw = getpwuid(uid); if (!pw) bb_error_msg_and_die("unknown uid %u", (unsigned)uid); @@ -50,6 +50,7 @@ struct group* FAST_FUNC xgetgrgid(gid_t gid) char* FAST_FUNC xuid2uname(uid_t uid) { + /* Note: used in nofork applets (whoami), be careful not to leak anything */ struct passwd *pw = xgetpwuid(uid); return pw->pw_name; } -- cgit v1.2.3