320 lines
10 KiB
Bash
Executable file
320 lines
10 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Restconf+NACM openssl functionality using server and client certs
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# The test creates certs and keys:
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# A CA, server key/cert, user key/cert for two users
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# Can we try illegal certs?
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# Magic line must be first in script (see README.md)
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s="$_" ; . ./lib.sh || if [ "$s" = $0 ]; then exit 0; else return 0; fi
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# Only works with native and https
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if [ "${WITH_RESTCONF}" != "native" ]; then
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if [ "$s" = $0 ]; then exit 0; else return 0; fi # skip
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fi
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RCPROTO=https
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APPNAME=example
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# Common NACM scripts
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. ./nacm.sh
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fyang=$dir/example.yang
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cfg=$dir/conf.xml
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# Local for test here
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certdir=$dir/certs
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cakey=$certdir/ca_key.pem
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cacert=$certdir/ca_cert.pem
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srvkey=$certdir/srv_key.pem
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srvcert=$certdir/srv_cert.pem
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# These is another CA (invalid) for creating invalid client certs
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xcakey=$certdir/xca_key.pem
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xcacert=$certdir/xca_cert.pem
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users="andy guest" # generate certs for some users in nacm.sh
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x1users="limited" # Set invalid cert
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#x2users="invalid" # Wrong CA
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x3users="mymd5" # Too weak ca
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# Whether to generate new keys or not (only if $dir is not removed)
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# Here dont generate keys if restconf started stand-alone (RC=0)
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: ${genkeys:=true}
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#if [ $RC -eq 0 ]; then
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# genkeys=false
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#fi
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test -d $certdir || mkdir $certdir
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# Use yang in example
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cat <<EOF > $fyang
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module example{
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yang-version 1.1;
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namespace "urn:example:example";
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prefix ex;
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import ietf-netconf-acm {
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prefix nacm;
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}
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leaf x{
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type int32;
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description "something to edit";
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}
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}
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EOF
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# Two groups: admin allow all, guest allow nothing
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RULES=$(cat <<EOF
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<nacm xmlns="urn:ietf:params:xml:ns:yang:ietf-netconf-acm">
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<enable-nacm>false</enable-nacm>
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<read-default>permit</read-default>
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<write-default>deny</write-default>
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<exec-default>deny</exec-default>
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$NGROUPS
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<rule-list>
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<name>guest-acl</name>
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<group>guest</group>
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<rule>
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<name>deny-ncm</name>
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<module-name>*</module-name>
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<access-operations>*</access-operations>
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<action>deny</action>
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<comment>
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Do not allow guests any access to the NETCONF
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</comment>
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</rule>
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</rule-list>
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$NADMIN
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</nacm>
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<x xmlns="urn:example:example">0</x>
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EOF
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)
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if $genkeys; then
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# Create server certs
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cacerts $cakey $cacert
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servercerts $cakey $cacert $srvkey $srvcert
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# Other (invalid)
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cacerts $xcakey $xcacert
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# create client certs
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for name in $users $x1users; do
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cat<<EOF > $dir/$name.cnf
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[req]
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prompt = no
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distinguished_name = dn
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[dn]
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CN = $name # This can be verified using SSL_set1_host
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emailAddress = $name@foo.bar
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O = Clixon
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L = Stockholm
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C = SE
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EOF
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# Create client key
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openssl genpkey -algorithm RSA -out "$certdir/$name.key" || err "Generate client key"
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# Generate CSR (signing request)
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openssl req -new -config $dir/$name.cnf -key $certdir/$name.key -out $certdir/$name.csr
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# Sign by CA
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openssl x509 -req -extfile $dir/$name.cnf -days 1 -passin "pass:password" -in $certdir/$name.csr -CA $cacert -CAkey $cakey -CAcreateserial -out $certdir/$name.crt || err "Generate signing client cert"
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done # client key
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# invalid (days = 0)
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for name in $x1users; do
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openssl x509 -req -extfile $dir/$name.cnf -days 0 -passin "pass:password" -in $certdir/$name.csr -CA $cacert -CAkey $cakey -CAcreateserial -out $certdir/$name.crt || err "Generate signing client cert"
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done # invalid
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# create client certs with md5 -- too weak ca
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for name in $x3users; do
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cat<<EOF > $dir/$name.cnf
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[req]
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prompt = no
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distinguished_name = dn
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[dn]
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CN = $name # This can be verified using SSL_set1_host
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emailAddress = $name@foo.bar
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O = Clixon
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L = Stockholm
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C = SE
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EOF
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# Create client key
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openssl genpkey -algorithm RSA -out "$certdir/$name.key" || err "Generate client key"
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# Generate CSR (signing request)
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openssl req -new -config $dir/$name.cnf -key $certdir/$name.key -out $certdir/$name.csr
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# Sign by CA
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openssl x509 -req -extfile $dir/$name.cnf -days 1 -passin "pass:password" -in $certdir/$name.csr -CA $cacert -CAkey $cakey -CAcreateserial -md5 -out $certdir/$name.crt || err "Generate signing client cert"
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done # too weak ca
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if false; then # XXX: How do you generate an "invalid" cert?
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# create client certs from invalid CA
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for name in $x2users; do
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cat<<EOF > $dir/$name.cnf
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[req]
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prompt = no
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distinguished_name = dn
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[dn]
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CN = $name # This can be verified using SSL_set1_host
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emailAddress = $name@foo.bar
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O = Clixon
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L = Stockholm
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C = SE
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EOF
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# Create client key
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openssl genpkey -algorithm RSA -out "$certdir/$name.key" || err "Generate client key"
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# Generate CSR (signing request)
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openssl req -new -config $dir/$name.cnf -key $certdir/$name.key -out $certdir/$name.csr
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# Sign by CA
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openssl x509 -req -extfile $dir/$name.cnf -days 1 -passin "pass:password" -in $certdir/$name.csr -CA $xcacert -CAkey $xcakey -CAcreateserial -out $certdir/$name.crt
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done # invalid ca
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fi # XXX
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fi # genkeys
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# Write local config
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cat <<EOF > $cfg
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<clixon-config xmlns="http://clicon.org/config">
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<CLICON_CONFIGFILE>$cfg</CLICON_CONFIGFILE>
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<CLICON_FEATURE>ietf-netconf:startup</CLICON_FEATURE>
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<CLICON_YANG_DIR>/usr/local/share/clixon</CLICON_YANG_DIR>
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<CLICON_YANG_DIR>$IETFRFC</CLICON_YANG_DIR>
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<CLICON_YANG_MAIN_FILE>$fyang</CLICON_YANG_MAIN_FILE>
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<CLICON_CLISPEC_DIR>/usr/local/lib/$APPNAME/clispec</CLICON_CLISPEC_DIR>
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<CLICON_BACKEND_DIR>/usr/local/lib/$APPNAME/backend</CLICON_BACKEND_DIR>
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<CLICON_BACKEND_REGEXP>example_backend.so$</CLICON_BACKEND_REGEXP>
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<CLICON_RESTCONF_DIR>/usr/local/lib/$APPNAME/restconf</CLICON_RESTCONF_DIR>
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<CLICON_CLI_DIR>/usr/local/lib/$APPNAME/cli</CLICON_CLI_DIR>
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<CLICON_CLI_MODE>$APPNAME</CLICON_CLI_MODE>
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<CLICON_SOCK>/usr/local/var/$APPNAME/$APPNAME.sock</CLICON_SOCK>
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<CLICON_BACKEND_PIDFILE>/usr/local/var/$APPNAME/$APPNAME.pidfile</CLICON_BACKEND_PIDFILE>
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<CLICON_XMLDB_DIR>$dir</CLICON_XMLDB_DIR>
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<CLICON_XMLDB_UPGRADE_CHECKOLD>true</CLICON_XMLDB_UPGRADE_CHECKOLD>
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<CLICON_MODULE_LIBRARY_RFC7895>true</CLICON_MODULE_LIBRARY_RFC7895>
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<CLICON_NACM_MODE>internal</CLICON_NACM_MODE>
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<restconf>
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<enable>true</enable>
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<auth-type>client-certificate</auth-type>
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<server-cert-path>$srvcert</server-cert-path>
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<server-key-path>$srvkey</server-key-path>
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<server-ca-cert-path>$cacert</server-ca-cert-path>
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<debug>$DBG</debug>
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<pretty>false</pretty>
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<socket>
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<namespace>default</namespace>
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<address>0.0.0.0</address>
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<port>443</port>
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<ssl>true</ssl>
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</socket>
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</restconf>
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</clixon-config>
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EOF
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# Run The test, ssl config is in local config
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function testrun()
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{
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cat <<EOF > $dir/startup_db
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<${DATASTORE_TOP}>
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$RULES
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</${DATASTORE_TOP}>
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EOF
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if [ $BE -ne 0 ]; then
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new "kill old backend"
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sudo clixon_backend -zf $cfg
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if [ $? -ne 0 ]; then
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err
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fi
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sudo pkill -f clixon_backend # to be sure
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new "start backend -s startup -f $cfg"
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start_backend -s startup -f $cfg
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fi
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new "wait for backend"
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wait_backend
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if [ $RC -ne 0 ]; then
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new "kill old restconf daemon"
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stop_restconf_pre
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new "start restconf daemon -s -c"
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start_restconf -f $cfg
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fi
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new "wait for restconf"
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wait_restconf --key $certdir/andy.key --cert $certdir/andy.crt
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new "enable nacm"
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expectpart "$(curl $CURLOPTS --key $certdir/andy.key --cert $certdir/andy.crt -X PUT -H "Content-Type: application/yang-data+json" -d '{"ietf-netconf-acm:enable-nacm": true}' $RCPROTO://localhost/restconf/data/ietf-netconf-acm:nacm/enable-nacm)" 0 "HTTP/1.1 204 No Content"
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new "admin get x"
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expectpart "$(curl $CURLOPTS --key $certdir/andy.key --cert $certdir/andy.crt -X GET $RCPROTO://localhost/restconf/data/example:x)" 0 "HTTP/1.1 200 OK" '{"example:x":0}'
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new "guest get x"
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expectpart "$(curl $CURLOPTS --key $certdir/guest.key --cert $certdir/guest.crt -X GET $RCPROTO://localhost/restconf/data/example:x)" 0 "HTTP/1.1 403 Forbidden" '{"ietf-restconf:errors":{"error":{"error-type":"application","error-tag":"access-denied","error-severity":"error","error-message":"access denied"}}}'
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new "admin set x 42"
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expectpart "$(curl $CURLOPTS --key $certdir/andy.key --cert $certdir/andy.crt -X PUT -H "Content-Type: application/yang-data+json" -d '{"example:x":42}' $RCPROTO://localhost/restconf/data/example:x)" 0 "HTTP/1.1 204 No Content"
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new "admin get x 42"
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expectpart "$(curl $CURLOPTS --key $certdir/andy.key --cert $certdir/andy.crt -X GET $RCPROTO://localhost/restconf/data/example:x)" 0 "HTTP/1.1 200 OK" '{"example:x":42}'
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# Negative tests
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new "Unknown yyy no cert get x 42"
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echo "dummy" > $certdir/yyy.key
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echo "dummy" > $certdir/yyy.crt
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expectpart "$(curl $CURLOPTS --key $certdir/yyy.key --cert $certdir/yyy.crt -X GET $RCPROTO://localhost/restconf/data/example:x 2>&1)" 58 " could not load PEM client certificate"
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# See (3) client-cert is NULL in restconf_main_openssl.c
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new "No cert: certificate required"
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expectpart "$(curl $CURLOPTS -X GET $RCPROTO://localhost/restconf/data/example:x 2>&1)" 0 "HTTP/1.1 400 Bad Request"
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new "limited invalid cert"
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expectpart "$(curl $CURLOPTS --key $certdir/limited.key --cert $certdir/limited.crt -X GET $RCPROTO://localhost/restconf/data/example:x 2>&1)" "35 55 56" # 55 "certificate expired"
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new "too weak cert (sign w md5)"
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expectpart "$(curl $CURLOPTS --key $certdir/mymd5.key --cert $certdir/mymd5.crt -X GET $RCPROTO://localhost/restconf/data/example:x 2>&1)" 58 "md too weak"
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# Havent been able to generate "wrong CA"
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# new "invalid cert from wrong CA"
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# expectpart "$(curl $CURLOPTS --key $certdir/invalid.key --cert $certdir/invalid.crt -X GET $RCPROTO://localhost/restconf/data/example:x 2>&1)" 0 foo # 58 "unable to set private key file" # 58 unable to set private key file
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# Just ensure all is OK
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new "admin get x 42"
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expectpart "$(curl $CURLOPTS --key $certdir/andy.key --cert $certdir/andy.crt -X GET $RCPROTO://localhost/restconf/data/example:x)" 0 "HTTP/1.1 200 OK" '{"example:x":42}'
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if [ $RC -ne 0 ]; then
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new "Kill restconf daemon"
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stop_restconf
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fi
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if [ $BE -ne 0 ]; then
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new "Kill backend"
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# Check if premature kill
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pid=$(pgrep -u root -f clixon_backend)
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if [ -z "$pid" ]; then
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err "backend already dead"
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fi
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# kill backend
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stop_backend -f $cfg
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fi
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}
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new "Run test"
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testrun
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rm -rf $dir
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# unset conditional parameters
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unset RCPROTO
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endtest
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