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Subject: |
[Bug 121629] New: su ignores all options except -s shell when passed -s shell; effects /etc/init.d/functions daemon() function |
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Date: |
Fri, 23 Apr 2004 21:23:03 -0400 |
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https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=121629
Summary: su ignores all options except -s shell when passed -s
shell; effects /etc/init.d/functions daemon() function
Product: Fedora Core
Version: 1
Platform: All
OS/Version: Linux
Status: NEW
Severity: normal
Priority: normal
Component: coreutils
AssignedTo: address@hidden
ReportedBy: address@hidden
>From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6) Gecko/20040124
Description of problem:
When su is passed the -s flag to specify a shell, it will do nothing
but open that shell. The documentation for su seems to indicate that
-s shell should just override using the shell from /etc/passwd.
The upshot of this problem is that you can't script the running
commands as a different user and override the shell. This breaks the
--user option to daemon() in /etc/init.d/functions.
Version-Release number of selected component (if applicable):
coreutils-5.0-24
How reproducible:
Always
Steps to Reproduce:
1. As root, execute 'su - rpm -s /bin/bash -c "ls /"
Actual Results: You get an interactive shell for user rpm.
Expected Results: The command 'ls /' should have been run as the user rpm
Additional info:
An example:
safe|18:24|~# su - rpm -c "ls /"
bin dev home-old lost+found old-home proc scratch var
boot etc initrd media opt root tmp web
cvsroot home lib mnt perllocal.pod sbin usr
safe|18:25|~# su - rpm -s /bin/bash -c "ls /"
-su-2.05b$ id
uid=37(rpm) gid=37(rpm) groups=37(rpm)
-su-2.05b$ exit
logout
safe|18:25|~# id
uid=0(root) gid=0(root)
groups=0(root),1(bin),2(daemon),3(sys),4(adm),6(disk),10(wheel)
safe|18:25|~#
Here's a workaround to make --user work for daemon():
--- /etc/init.d/functions 2003-10-28 14:26:39.000000000 -0800
+++ /tmp/functions 2004-04-23 18:21:45.000000000 -0700
@@ -147,7 +147,8 @@
if [ -z "$user" ]; then
$nice initlog $INITLOG_ARGS -c "$*"
else
- $nice initlog $INITLOG_ARGS -c "su -s /bin/bash - $user -c
\"$*\""
+ #$nice initlog $INITLOG_ARGS -c "su -s /bin/bash - $user -c
\"$*\""
+ $nice initlog $INITLOG_ARGS -c "su - $user -c \"$*\""
fi
[ "$?" -eq 0 ] && success $"$base startup" || failure $"$base
startup"
}
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