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wall: access FILE under real user's credentials

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While at it, move applet/config/kbuild bits into wall.c.
(This way, it's more visible that applet is suid'ed).

function                                             old     new   delta
wall_main                                             87     138     +51

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2013-10-06 15:14:25 +02:00
parent 3eab2b7675
commit cd256e1c40
4 changed files with 24 additions and 11 deletions
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miscutils/Kbuild.src
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@@ -46,5 +46,4 @@ lib-$(CONFIG_TIME) += time.o
lib-$(CONFIG_TIMEOUT) += timeout.o
lib-$(CONFIG_TTYSIZE) += ttysize.o
lib-$(CONFIG_VOLNAME) += volname.o
lib-$(CONFIG_WALL) += wall.o
lib-$(CONFIG_WATCHDOG) += watchdog.o