wall,crontab: use xopen_as_uid_gid()
This fixes a narrow security race in crontab.
function old new delta
xopen_as_uid_gid - 80 +80
seteuid - 64 +64
setegid - 64 +64
setreuid - 37 +37
xseteuid - 22 +22
xsetegid - 22 +22
crontab_main 590 577 -13
setfsuid 33 - -33
setfsgid 33 - -33
wall_main 138 102 -36
open_as_user 109 - -109
text data bss dec hex filename
893539 497 7568 901604 dc1e4 busybox_old
893618 497 7568 901683 dc233 busybox_unstripped
Signed-off-by: Ryan Mallon <rmallon@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2 files changed