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busybox: Disable telnet if an SSH public key for root exists (#8760) 

SVN-Revision: 25317
This commit is contained in:
Vasilis Tsiligiannis 2011-02-02 18:50:50 +00:00
parent 4fec7f7edb
commit b435f9d603
1 changed files with 7 additions and 1 deletions
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8
package/busybox/files/telnet
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@ -10,8 +10,14 @@ has_root_pwd() {
test -n "${pwd#!}" test -n "${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() { 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 ] ); ( [ ! -x /usr/sbin/dropbear ] && [ ! -x /usr/sbin/sshd ] );
then then
telnetd -l /bin/login.sh telnetd -l /bin/login.sh