3 # unbound-control-setup.sh - set up SSL certificates for unbound-control
5 # Copyright (c) 2008, NLnet Labs. All rights reserved.
7 # This software is open source.
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10 # modification, are permitted provided that the following conditions
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14 # this list of conditions and the following disclaimer.
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17 # this list of conditions and the following disclaimer in the documentation
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41 # issuer and subject name for certificates
43 CLIENTNAME=unbound-control
45 # validity period for certificates
48 # size of keys in bits
54 # base name for unbound server keys
55 SVR_BASE=unbound_server
57 # base name for unbound-control keys
58 CTL_BASE=unbound_control
60 # we want -rw-r----- access (say you run this as root: grp=yes (server), all=no).
67 echo "$0 fatal error: $1"
72 while test $# -ne 0; do
75 if test $# -eq 1; then error "need argument for -d"; fi
80 echo "unbound-control-setup.sh - setup SSL keys for unbound-control"
81 echo " -d dir use directory to store keys and certificates."
82 echo " default: $DESTDIR"
83 echo "please run this command using the same user id that the "
84 echo "unbound daemon uses, it needs read privileges."
92 echo "setup in directory $DESTDIR"
93 cd "$DESTDIR" || error "could not cd to $DESTDIR"
95 # create certificate keys; do not recreate if they already exist.
96 if test -f $SVR_BASE.key; then
97 echo "$SVR_BASE.key exists"
99 echo "generating $SVR_BASE.key"
100 openssl genrsa -out $SVR_BASE.key $BITS || error "could not genrsa"
102 if test -f $CTL_BASE.key; then
103 echo "$CTL_BASE.key exists"
105 echo "generating $CTL_BASE.key"
106 openssl genrsa -out $CTL_BASE.key $BITS || error "could not genrsa"
109 # create self-signed cert for server
110 echo "[req]" > request.cfg
111 echo "default_bits=$BITS" >> request.cfg
112 echo "default_md=$HASH" >> request.cfg
113 echo "prompt=no" >> request.cfg
114 echo "distinguished_name=req_distinguished_name" >> request.cfg
115 echo "" >> request.cfg
116 echo "[req_distinguished_name]" >> request.cfg
117 echo "commonName=$SERVERNAME" >> request.cfg
119 test -f request.cfg || error "could not create request.cfg"
121 echo "create $SVR_BASE.pem (self signed certificate)"
122 openssl req -key $SVR_BASE.key -config request.cfg -new -x509 -days $DAYS -out $SVR_BASE.pem || error "could not create $SVR_BASE.pem"
123 # create trusted usage pem
124 openssl x509 -in $SVR_BASE.pem -addtrust serverAuth -out $SVR_BASE"_trust.pem"
126 # create client request and sign it, piped
127 echo "[req]" > request.cfg
128 echo "default_bits=$BITS" >> request.cfg
129 echo "default_md=$HASH" >> request.cfg
130 echo "prompt=no" >> request.cfg
131 echo "distinguished_name=req_distinguished_name" >> request.cfg
132 echo "" >> request.cfg
133 echo "[req_distinguished_name]" >> request.cfg
134 echo "commonName=$CLIENTNAME" >> request.cfg
136 test -f request.cfg || error "could not create request.cfg"
138 echo "create $CTL_BASE.pem (signed client certificate)"
139 openssl req -key $CTL_BASE.key -config request.cfg -new | openssl x509 -req -days $DAYS -CA $SVR_BASE"_trust.pem" -CAkey $SVR_BASE.key -CAcreateserial -$HASH -out $CTL_BASE.pem
140 test -f $CTL_BASE.pem || error "could not create $CTL_BASE.pem"
141 # create trusted usage pem
142 # openssl x509 -in $CTL_BASE.pem -addtrust clientAuth -out $CTL_BASE"_trust.pem"
144 # see details with openssl x509 -noout -text < $SVR_BASE.pem
145 # echo "create $CTL_BASE""_browser.pfx (web client certificate)"
146 # echo "create webbrowser PKCS#12 .PFX certificate file. In Firefox import in:"
147 # echo "preferences - advanced - encryption - view certificates - your certs"
148 # echo "empty password is used, simply click OK on the password dialog box."
149 # openssl pkcs12 -export -in $CTL_BASE"_trust.pem" -inkey $CTL_BASE.key -name "unbound remote control client cert" -out $CTL_BASE"_browser.pfx" -password "pass:" || error "could not create browser certificate"
151 # remove unused permissions
152 chmod o-rw $SVR_BASE.pem $SVR_BASE.key $CTL_BASE.pem $CTL_BASE.key
156 rm -f $CTL_BASE"_trust.pem" $SVR_BASE"_trust.pem" $SVR_BASE"_trust.srl"
158 echo "Setup success. Certificates created. Enable in unbound.conf file to use"