[Bug 1659719] Re: ssh can't call a binary from a snap without the full path
Michael Hudson-Doyle
1659719 at bugs.launchpad.net
Thu Aug 20 23:01:23 UTC 2020
Verified on focal:
mwhudson at anduril:~$ ssh ubuntu at 10.187.142.128 "sh -c 'dpkg-query -W libpam-modules; type go '"
libpam-modules:amd64 1.3.1-5ubuntu4
go: not found
mwhudson at anduril:~$ lxc exec test-pam-focal -- apt install -y libpam-modules/focal-proposed
Reading package lists... Done
Building dependency tree
Reading state information... Done
Selected version '1.3.1-5ubuntu4.1' (Ubuntu:20.04/focal-proposed [amd64]) for 'libpam-modules'
Selected version '1.3.1-5ubuntu4.1' (Ubuntu:20.04/focal-proposed [amd64]) for 'libpam-modules-bin' because of 'libpam-modules'
...
mwhudson at anduril:~$ ssh ubuntu at 10.187.142.128 "sh -c 'dpkg-query -W libpam-modules; type go '"
libpam-modules:amd64 1.3.1-5ubuntu4.1
go is /snap/bin/go
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https://bugs.launchpad.net/bugs/1659719
Title:
ssh can't call a binary from a snap without the full path
Status in Snappy:
Fix Committed
Status in livecd-rootfs package in Ubuntu:
Fix Released
Status in openssh package in Ubuntu:
Confirmed
Status in pam package in Ubuntu:
Fix Released
Status in livecd-rootfs source package in Xenial:
New
Status in openssh source package in Xenial:
New
Status in pam source package in Xenial:
New
Status in livecd-rootfs source package in Bionic:
New
Status in openssh source package in Bionic:
New
Status in pam source package in Bionic:
Fix Committed
Status in livecd-rootfs source package in Focal:
New
Status in openssh source package in Focal:
New
Status in pam source package in Focal:
Fix Committed
Status in livecd-rootfs source package in Groovy:
Fix Released
Status in openssh source package in Groovy:
Confirmed
Status in pam source package in Groovy:
Fix Released
Status in openssh package in Debian:
New
Bug description:
[impact]
ssh can't call a binary from a snap, it will only work using the full path.
[test case]
Create a container. Install the go snap (and make sure golang-go is not installed). Run "ssh <container-ip> go version" and check the binary is found.
[regression potential]
It's a pam change an they are always a bit scary but the code follows the existing pattern for updating PATH in /etc/environment and has been tested in groovy.
[original description]
Let's say I have the hello snap installed in 192.168.122.24. Then:
elopio at ubuntu-xenial:~/mosh$ ssh 192.168.122.24 hello
elopio at 192.168.122.24's password:
bash: hello: command not found
elopio at ubuntu-xenial:~/mosh$ ssh 192.168.122.24 /snap/bin/hello
elopio at 192.168.122.24's password:
Hello, world!
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