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passing params to su in a script fails [solved]
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DaggyStyle
Watchman
Watchman


Joined: 22 Mar 2006
Posts: 5929

PostPosted: Wed Oct 23, 2024 8:01 am    Post subject: passing params to su in a script fails [solved] Reply with quote

Greetings,

I'm working on a script that gets run as root and run it as other users with params, this is the script:
Code:
#!/bin/bash -x

do_virsh() {
   local uri=$1
   su -l -c "LC_ALL=C virsh -c ${uri} $@ 2>/dev/null | head -n -1" ${user}
}

test1() {
   local uri=$1
   shift

   do_virsh "${uri}" list --uuid $@ | grep -v 00000000-0000-0000-0000-000000000000
}

for uri in {qemu:///system,qemu:///session}; do
   users=root

   [ "${uri}" = "qemu:///session" ] && users=dagg

   for user in ${users}; do
      export user
      test1 ${uri} "--persistent"
   done
done


when I run it I get this:
Code:

+ for uri in {qemu:///system,qemu:///session}
+ users=root
+ '[' qemu:///system = qemu:///session ']'
+ for user in ${users}
+ export user
+ test1 qemu:///system --persistent
+ local uri=qemu:///system
+ shift
+ do_virsh qemu:///system list --uuid --persistent
+ local uri=qemu:///system
+ su -l -c 'LC_ALL=C virsh -c qemu:///system qemu:///system' list --uuid '--persistent 2>/dev/null | head -n -1' root
+ grep -v 00000000-0000-0000-0000-000000000000
su: unrecognized option '--uuid'
Try 'su --help' for more information.
+ for uri in {qemu:///system,qemu:///session}
+ users=root
+ '[' qemu:///session = qemu:///session ']'
+ users=dagg
+ for user in ${users}
+ export user
+ test1 qemu:///session --persistent
+ local uri=qemu:///session
+ shift
+ do_virsh qemu:///session list --uuid --persistent
+ local uri=qemu:///session
+ su -l -c 'LC_ALL=C virsh -c qemu:///session qemu:///session' list --uuid '--persistent 2>/dev/null | head -n -1' dagg
+ grep -v 00000000-0000-0000-0000-000000000000
su: unrecognized option '--uuid'
Try 'su --help' for more information.


any ideas how to pass the params correctly without using sed or switching to other utils such as sudo or doas?
_________________
Only two things are infinite, the universe and human stupidity and I'm not sure about the former - Albert Einstein


Last edited by DaggyStyle on Wed Oct 23, 2024 10:09 am; edited 1 time in total
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DaggyStyle
Watchman
Watchman


Joined: 22 Mar 2006
Posts: 5929

PostPosted: Wed Oct 23, 2024 10:09 am    Post subject: Reply with quote

after long search and trying, this works:
Code:
do_virsh() {
   local uri=$1
   shift

   su -f ${user} -s /bin/bash << EOS
   LC_ALL=C virsh -c ${uri} $@ 2>/dev/null | head -n -1
EOS
}

_________________
Only two things are infinite, the universe and human stupidity and I'm not sure about the former - Albert Einstein
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