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Contents of /alx-src/trunk/alxconfig-ng/functions/config_ssh_auth.sh

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Revision 330 - (show annotations) (download) (as text)
Wed Sep 7 19:14:24 2005 UTC (18 years, 7 months ago) by niro
File MIME type: application/x-sh
File size: 1762 byte(s)
added HOME=/root as $HOME is not defined on system boot

1 # $Header: /home/cvsd/alx-cvs/alx-src/alxconfig-ng/functions/config_ssh_auth.sh,v 1.3 2005-09-07 19:14:18 niro Exp $
2 # exchanges the public server and client ssh keys
3
4 gen_keys() {
5 if [ ! -e /etc/ssh/ssh_host_key ]
6 then
7 echo -e ${COLOREDSTAR}"Generating SSH-Hostkey ..."
8 /usr/bin/ssh-keygen -t rsa1 -b 1024 -f /etc/ssh/ssh_host_key -N ''
9 fi
10
11 if [ ! -e /etc/ssh/ssh_host_dsa_key ]
12 then
13 echo -e ${COLREDSTAR}"Generating DSA-Hostkey ..."
14 /usr/bin/ssh-keygen -d -f /etc/ssh/ssh_host_dsa_key -N ''
15 fi
16
17 if [ ! -e /etc/ssh/ssh_host_rsa_key ]
18 then
19 echo -e ${COLOREDSTAR}"Generating RSA-Hostkey ..."
20 /usr/bin/ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key -N ''
21 fi
22 }
23
24 config_ssh_auth() {
25
26 local PUB_KEY_SERVER
27 local ID
28
29 # generate evtually missing keys
30 gen_keys
31
32 # write the public key of the server to the host system
33 PUB_KEY_SERVER="$(mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
34 "select public_key from ssh_auth_server where id=1;")"
35
36 if [ -n "${PUB_KEY_SERVER}" ]
37 then
38 HOME=/root
39 # only if not empty
40 [ ! -d $HOME/.ssh ] && install -d $HOME/.ssh
41 echo "${PUB_KEY_SERVER}" > $HOME/.ssh/authorized_keys
42 fi
43
44
45 # put the public key of the host into the db
46 ID=$(mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
47 "select serial from ssh_auth_clients where serial=${ALX_SERIAL};")
48
49 if [ -n "${ID}" ]
50 then
51 #run an update
52 mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
53 "update ssh_auth_clients set public_key='$(< /etc/ssh/ssh_host_rsa_key.pub)' where serial=${ALX_SERIAL};"
54 else
55 #run an insert
56 mysql_command ${SQL_USER} ${SQL_PASS} ${SQL_HOST} ${SQL_DB} \
57 "insert into ssh_auth_clients(serial,public_key) values('${ALX_SERIAL}','$(< /etc/ssh/ssh_host_rsa_key.pub)')"
58 fi
59 }