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Author SHA1 Message Date
Denys Vlasenko
0f14f41e72 ash: do not set a signal to SIG_DFL if it already is 
function                                             old     new   delta
setsignal                                            312     338     +26

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-06 20:06:19 +02:00
Denys Vlasenko
ed7d118dd0 adjtimex: make it NOFORK 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-06 20:00:21 +02:00
Denys Vlasenko
c8e29317e9 adjtimex: zero-fill whole structure, to be on the safe side 
function                                             old     new   delta
adjtimex_main                                        395     406     +11

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-06 19:46:21 +02:00
Denys Vlasenko
a894a4bedd raidautorun: make it NOEXEC 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-06 19:08:46 +02:00
Denys Vlasenko
1b280e4652 loadfont,setfont: make them NOEXEC 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-06 19:05:45 +02:00
Denys Vlasenko
5cb907fffc setconsole: make it NOEXEC 
BTW, I failed to make it do what it meant to do.
ioctl appears to succeed, but kernel's output is not coming
to the specified console (tried on VT consoles too).
OTOH, setlogcons does work...

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-06 18:56:25 +02:00
Denys Vlasenko
ab23381100 setconsole: since SUSE version has no -r, nuke our --reset longopt 
Why we even bother inventing incompatible longopts?!

function                                             old     new   delta
packed_usage                                       31734   31738      +4
static.setconsole_longopts                             9       -      -9
setconsole_main                                       94      84     -10
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 1/1 up/down: 4/-19)             Total: -15 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-06 18:54:16 +02:00
Denys Vlasenko
b83db4ddae setkeycodes: make it NOEXEC, better --help text 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-06 18:29:25 +02:00
Denys Vlasenko
341ce0a31e setlogcons: make it NOEXEC, better --help text 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-06 18:17:58 +02:00
Denys Vlasenko
97b738d359 setserial: make it NOEXEC 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-06 18:06:46 +02:00
Denys Vlasenko
08e66a8149 setserial: code shrink, better --help text 
function                                             old     new   delta
packed_usage                                       31747   31749      +2
setserial_main                                      1152    1132     -20

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-06 17:59:37 +02:00
Denys Vlasenko
2262746e2b slattach: code shrink, better --help text 
function                                             old     new   delta
tcsetattr_serial_or_warn                               -      34     +34
static.int_N_SLIP                                      -       4      +4
restore_state_and_exit                               123     117      -6
packed_usage                                       31774   31747     -27
set_termios_state_or_warn                             42       -     -42
slattach_main                                        673     624     -49
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 0/3 up/down: 38/-124)           Total: -86 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-06 17:14:09 +02:00
Denys Vlasenko
a759b22c29 nameif: make it NOEXEC 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-06 14:15:24 +02:00
Denys Vlasenko
fbecca1bed Tweak outdated documentation and comments 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-06 14:03:27 +02:00
Denys Vlasenko
9a58cc0f7f tunctl: make it NOEXEC 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-06 12:28:00 +02:00
Denys Vlasenko
ae17ba0924 kbd_more: make it NOEXEC, remove redundant opt clearing 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-06 12:23:04 +02:00
Denys Vlasenko
32b60cc0db kbd_mode: try harder to find console device if -C TTY is not given 
Was (under X):
	$ ./busybox_old kbd_mode
	kbd_mode: ioctl 0x4b44 failed: Inappropriate ioctl for device
Now:
	$ ./busybox kbd_mode
	The keyboard is in off mode

function                                             old     new   delta
kbd_mode_main                                        166     174      +8
packed_usage                                       31782   31764     -18
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 8/-18)             Total: -10 bytes
   text	   data	    bss	    dec	    hex	filename
 915757	    485	   6880	 923122	  e15f2	busybox_old
 915747	    485	   6880	 923112	  e15e8	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-06 12:17:46 +02:00
Denys Vlasenko
6517bbc76c kbd_mode: show "off" mode too 
function                                             old     new   delta
kbd_mode_main                                        156     166     +10

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-06 11:58:46 +02:00
Denys Vlasenko
3239ab89c9 lspci,lsscsi,lsusb: make them NOEXEC 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-05 23:28:19 +02:00
Denys Vlasenko
83a6c8d58b umount: make it NOEXEC 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-05 23:21:02 +02:00
Denys Vlasenko
00c1811d87 pstree: make it NOEXEC 
While at it, documet why ps can't be NOEXEC.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-05 22:25:00 +02:00
Denys Vlasenko
99125c0495 chattr,lsattr,tune2fs: make them NOEXEC 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-05 20:38:04 +02:00
Denys Vlasenko
d3147cd5c3 chattr: fix option parsing to accept more cryptic option combos 
function                                             old     new   delta
chattr_main                                          286     289      +3
packed_usage                                       31793   31761     -32

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-05 20:33:48 +02:00
Denys Vlasenko
caf26b36f3 sysctl: make it NOEXEC 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-05 18:23:10 +02:00
Denys Vlasenko
50db1f29bf sysctl: recognize ";comment" and "<whitespace>#comment" lines 
function                                             old     new   delta
config_read                                          639     699     +60

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-05 18:20:34 +02:00
Denys Vlasenko
20077c1429 libbb: make trim() return pointer to terminating NUL 
function                                             old     new   delta
trim                                                  80      90     +10
angle_address                                         56      50      -6
sysctl_main                                          282     273      -9
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/3 up/down: +10/-15)           Total:  -5 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-05 17:50:35 +02:00
Denys Vlasenko
9cf89cdf84 sysctl: fix file parsing, do not require -w for VAR=VAL 
function                                             old     new   delta
sysctl_act_on_setting                                  -     451    +451
sysctl_main                                          222     282     +60
packed_usage                                       31744   31793     +49
config_read                                          604     639     +35
sysctl_act_recursive                                 612     163    -449
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 3/1 up/down: 595/-449)          Total: 146 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-05 13:45:22 +02:00
Denys Vlasenko
feb79e8742 cryptpw, mkpasswd: make them NOEXEC 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-05 02:08:23 +02:00
Denys Vlasenko
ff53bee723 chvt, deallocvt, dumpkmap, fgconsole, loadkmap: make them NOEXEC 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-05 02:02:31 +02:00
Denys Vlasenko
fdb92359e4 pivot_root: make it NOFORK 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-05 01:51:12 +02:00
Denys Vlasenko
9c49d6e11b partprobe: make it NOEXEC 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-05 01:46:39 +02:00
Denys Vlasenko
a453ca576f sv, svc: make them NOEXEC 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-05 01:42:08 +02:00
Denys Vlasenko
754e9f96de svc: fix a case where with more than option, getopt() state is not reset 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-05 01:38:55 +02:00
Denys Vlasenko
9f59849daa blockdev, fsfreeze, fstrim, mountpoint: make NOEXEC 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-05 01:29:12 +02:00
Denys Vlasenko
b182e9ad60 libbb: use _exit, not exit, in bb_daemonize_or_rexec() 
By the time we reach exit in parent, child already exited or execed.
We should not re-run libc cleanup code.

While at it, introduce bb_daemon_helper() and add a few comments.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-04 23:04:17 +02:00
Denys Vlasenko
692eeb81a4 stty: make in NOEXEC 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-04 20:07:19 +02:00
Denys Vlasenko
5c527dc57e make 17 state-changing execing applets (ex: "nice PROG ARGS") noexec 
The applets with "<applet> [opts] PROG ARGS" API very quickly exec
another program, noexec is okay for them:

 chpst/envdir/envuidgid/softlimit/setuidgid
 chroot
 chrt
 ionice
 nice
 nohup
 setarch/linux32/linux64
 taskset
 cttyhack

"reset" and "sulogin" applets don't have this form, but also exec
another program at once, thus made noexec too.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-04 19:55:01 +02:00
Denys Vlasenko
6514785f95 mesg: make in NOFORK 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-04 19:16:01 +02:00
Denys Vlasenko
947b2391c0 pmap: tweak help text, show usage if no params are given 
Noticed while auditing nofork/noexec status

function                                             old     new   delta
pmap_main                                             70      80     +10
packed_usage                                       31747   31744      -3

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-04 18:37:34 +02:00
Denys Vlasenko
83d7785e41 runlevel: make it NOEXEC 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-04 17:59:46 +02:00
Denys Vlasenko
6bec24c4f5 mktemp: make it NOEXEC 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-04 17:39:05 +02:00
Denys Vlasenko
74c05f5b2c chat: trim help text 
Noticed while auditing nofork/noexec status

function                                             old     new   delta
packed_usage                                       31777   31747     -30

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-04 17:36:16 +02:00
Denys Vlasenko
dd5a40246b getopt32: move support for "always treat first arg as option" to users (tar/ar) 
Now getopt() never leaks (and never performs) any xmalloc's.

function                                             old     new   delta
ar_main                                              522     556     +34
tar_main                                             986    1014     +28
getopt32                                            1458    1350    -108
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/1 up/down: 62/-108)           Total: -46 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-04 16:46:17 +02:00
Denys Vlasenko
727948e585 getopt32: factor out code to treat all args as options 
Working towards making getopt32() xmalloc-free

function                                             old     new   delta
make_all_argv_opts                                     -      58     +58
top_main                                             914     912      -2
getopt32                                            1517    1458     -59
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 0/2 up/down: 58/-61)             Total: -3 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-04 16:33:23 +02:00
Denys Vlasenko
7f9d62d7f5 tweak NOFORK_NOEXEC.lst 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-04 16:01:39 +02:00
Denys Vlasenko
f8cdc7a2bc ash: BASH_XTRACEFD bashism 
Based on patch by Johannes Schindelin <johannes.schindelin@gmx.de>

function                                             old     new   delta
evalcommand                                         1447    1500     +53

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-04 15:24:49 +02:00
Johannes Schindelin
7344755823 ash: remove no-longer-used variable 
As of 035486c75 (ash: significant overhaul of redirect saving logic,
2017-07-31), the sv_pos variable is no longer used (just assigned to,
with no further effect).

Let's just remove it.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-04 14:52:08 +02:00
Denys Vlasenko
d329e34c96 ash: INT_OFF/INT_ON around run_nofork_applet() 
function                                             old     new   delta
evalcommand                                         1441    1447      +6

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-04 14:50:03 +02:00
Denys Vlasenko
49e6bf2db9 sheel: improve comments on signal handling 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-04 14:28:16 +02:00
Denys Vlasenko
3346b4afc5 modutils: make them NOEXEC except depmod 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-08-04 02:56:39 +02:00