On Fri, Apr 4, 2014 at 6:00 AM, Craig R. Skinner
<skin...@britvault.co.uk> wrote:
> Hi,
>
> When sudo'ing to another user, how can I obtain all of their environment
> settings as they receive when logging in themselves?
>
> When I use sudo in this manner, settings such as $PATH, $MAIL & umask
> aren't being honoured:
[...]
You do that with `sudo -c - -l`:
$ { ulimit -a; env; } > ea
$ sudo -c - -i 'ulimit -a; env' > eb
$ diff -u ea e
--- ea Tue Apr 8 07:13:11 2014
+++ eb Tue Apr 8 07:14:22 2014
@@ -1,29 +1,24 @@
time(cpu-seconds) unlimited
file(blocks) unlimited
coredump(blocks) unlimited
-data(kbytes) 524288
-stack(kbytes) 4096
+data(kbytes) 33554432
+stack(kbytes) 8192
lockedmem(kbytes) 2667916
memory(kbytes) 7984356
-nofiles(descriptors) 512
-processes 128
+nofiles(descriptors) 128
+processes 1310
_=/usr/bin/env
+USERNAME=root
XAUTHORITY=/home/a/.Xauthority
-LOGNAME=a
-WINDOWID=10485773
-WINDOWPATH=5
-XTERM_SHELL=/usr/bin/tmux
-HOME=/home/a
-PWD=/home/a
-XTERM_VERSION=XTerm/OpenBSD(301)
+LOGNAME=root
+HOME=/root
+SUDO_GID=1000
DISPLAY=:0
+SUDO_COMMAND=/bin/ksh -c ulimit -a; env
+SUDO_USER=a
+SUDO_UID=1000
MAIL=/var/mail/a
-PATH=/home/a/bin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/X11R6/bin:/usr/local/bin:/usr/local/sbin:/usr/games:.
-TMUX=/tmp/tmux-1000/default,3104,0
-PAGER=less
-TMUX_PANE=%2
-TERM=screen
+PATH=/sbin:/usr/sbin:/bin:/usr/bin:/usr/X11R6/bin:/usr/local/sbin:/usr/local/bin
SHELL=/bin/ksh
-DBUS_SESSION_BUS_ADDRESS=unix:path=/tmp/dbus-8X6HB7BfTU,guid=b24ea188864417630554661f5343d7bf
-USER=a
-XTERM_LOCALE=C
+TERM=screen
+USER=root
Also see `use_loginclass` in sudoers(5).
