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| author | Denys Vlasenko | 2017-08-06 18:06:46 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2017-08-06 18:06:46 +0200 |
| commit | 97b738d359c0398942d0dc4301415a2fe814eace (patch) | |
| tree | 8902608e7ed41f3cb52499aee4929f8735db66c1 | |
| parent | 08e66a81495274dbe8a16f264761ccdf921b6564 (diff) | |
| download | busybox-97b738d359c0398942d0dc4301415a2fe814eace.zip busybox-97b738d359c0398942d0dc4301415a2fe814eace.tar.gz | |
setserial: make it NOEXEC
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | NOFORK_NOEXEC.lst | 2 | ||||
| -rw-r--r-- | miscutils/setserial.c | 7 |
2 files changed, 5 insertions, 4 deletions
diff --git a/NOFORK_NOEXEC.lst b/NOFORK_NOEXEC.lst index 3bd82aa..30690af 100644 --- a/NOFORK_NOEXEC.lst +++ b/NOFORK_NOEXEC.lst @@ -310,7 +310,7 @@ setfont setkeycodes setlogcons setpriv - spawner, changes state, let's play safe and not be noexec -setserial +setserial - noexec setsid - spawner, uses fork_or_rexec() [not audited to work in noexec], let's play safe and not be noexec setuidgid - noexec. spawner sha1sum - noexec. runner diff --git a/miscutils/setserial.c b/miscutils/setserial.c index a4d59f8..2000de7 100644 --- a/miscutils/setserial.c +++ b/miscutils/setserial.c @@ -15,7 +15,7 @@ //config: help //config: Retrieve or set Linux serial port. -//applet:IF_SETSERIAL(APPLET(setserial, BB_DIR_BIN, BB_SUID_DROP)) +//applet:IF_SETSERIAL(APPLET_NOEXEC(setserial, setserial, BB_DIR_BIN, BB_SUID_DROP, setserial)) //kbuild:lib-$(CONFIG_SETSERIAL) += setserial.o @@ -746,14 +746,15 @@ int setserial_main(int argc UNUSED_PARAM, char **argv) opts = getopt32(argv, "bGavzgq"); argv += optind; - if (!argv[1]) /* one arg only? */ - opts |= OPT_LIST_OF_DEVS; + if (!argv[1]) /* one arg only? (nothing to change?) */ + opts |= OPT_LIST_OF_DEVS; /* force display */ if (!(opts & OPT_LIST_OF_DEVS)) { serial_set(argv, opts); argv[1] = NULL; } + /* -v effect: "after setting params, do not be silent, show them" */ if (opts & (OPT_VERBOSE | OPT_LIST_OF_DEVS)) { do { serial_get(*argv, opts & OPT_MODE_MASK); |