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| author | Vasilis Tsiligiannis <acinonyx@openwrt.gr> | 2011-02-02 18:50:50 +0000 |
|---|---|---|
| committer | Vasilis Tsiligiannis <acinonyx@openwrt.gr> | 2011-02-02 18:50:50 +0000 |
| commit | b435f9d603c5ba47abf331b4104bfe2dd7dbfd54 (patch) | |
| tree | f3d0c50837e574350940f77fde9958c0e85ee4e7 /package/busybox/files | |
| parent | 4fec7f7edb0718c322e1ec574e0b02a227551db0 (diff) | |
| download | upstream-b435f9d603c5ba47abf331b4104bfe2dd7dbfd54.tar.gz upstream-b435f9d603c5ba47abf331b4104bfe2dd7dbfd54.tar.bz2 upstream-b435f9d603c5ba47abf331b4104bfe2dd7dbfd54.zip | |
busybox: Disable telnet if an SSH public key for root exists (#8760)
SVN-Revision: 25317
Diffstat (limited to 'package/busybox/files')
| -rwxr-xr-x | package/busybox/files/telnet | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/package/busybox/files/telnet b/package/busybox/files/telnet index b8823379b9..a1e17275a3 100755 --- a/package/busybox/files/telnet +++ b/package/busybox/files/telnet @@ -10,8 +10,14 @@ has_root_pwd() { test -n "${pwd#!}" } +has_ssh_pubkey() { + ( test -x /usr/sbin/dropbear && grep -qs "^ssh-" /etc/dropbear/authorized_keys ) || \ + ( test -x /usr/sbin/sshd && grep -qs "^ssh-" /root/.ssh/authorized_keys ) +} + start() { - if ( ! has_root_pwd /etc/passwd && ! has_root_pwd /etc/shadow ) || \ + if ( ! has_ssh_pubkey && \ + ! has_root_pwd /etc/passwd && ! has_root_pwd /etc/shadow ) || \ ( [ ! -x /usr/sbin/dropbear ] && [ ! -x /usr/sbin/sshd ] ); then telnetd -l /bin/login.sh |