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authorVasilis Tsiligiannis <b_tsiligiannis@silverton.gr>2011-02-02 18:50:50 +0000
committerVasilis Tsiligiannis <b_tsiligiannis@silverton.gr>2011-02-02 18:50:50 +0000
commitf25945f89645d37f29551345d1117778e85fd2bb (patch)
treed9469fec9ea86ec2aee9608de06c97cf79117e88 /package/busybox/files/telnet
parentd51f7e6f9d9f0c58d22e158aa07b96a0044570fd (diff)
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[package] busybox: Disable telnet if an SSH public key for root exists (#8760)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25317 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/busybox/files/telnet')
-rwxr-xr-xpackage/busybox/files/telnet8
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