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make-certs
561 строка
16 KB
Kamil Aronowski
make-certs: Handle missing OpenSSL installation
13 ноя 2024, 01:08
13 ноя 2024, 01:08
e68f4ca
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#!/usr/bin/env bash # # Generate a root CA cert for signing, and then a subject cert. # Usage: make-certs.sh hostname [user[@domain]] [more ...] # For testing only, probably still has some bugs in it. # set -e if [[ ! -f `which openssl` ]]; then echo "OpenSSL not found. Install it first, then run this script again." exit 1 fi DOMAIN=xn--u4h.net DAYS=365 KEYTYPE=RSA KEYSIZE=2048 DIGEST=SHA256 CRLHOURS=24 CRLDAYS= # Cleanup temporary files at exit. touch openssl.cnf newcertdir=`mktemp -d` cleanup() { test -f openssl.cnf && rm -f openssl.cnf test -f ca.txt && rm -f ca.txt test -f ocsp.txt && rm -f ocsp.txt test -n "$newcertdir" && rm -fr "$newcertdir" } trap cleanup EXIT # The first argument is either a common name value or a flag indicating that # we're doing something other than issuing a cert. commonname="$1" refresh_crl=false revoke_cert=false ocsp_serve=false if test "x$commonname" = "x-refresh-crl" ; then refresh_crl=true commonname="$1" fi if test "x$commonname" = "x-refresh_crl" ; then refresh_crl=true commonname="$1" fi if test "x$commonname" = "x-revoke" ; then revoke_cert=true shift commonname="$1" fi if test "x$commonname" = "x-ocsp" ; then ocsp_serve=true commonname="$1" fi if test "x$commonname" = x ; then echo Usage: `basename $0` 'commonname' user'[@domain]' '[more [...]]' echo Usage: `basename $0` -revoke 'commonname' echo Usage: `basename $0` -ocsp echo Usage: `basename $0` -refresh-crl echo More: echo -e \\tKey usage: "[sign|signing|encrypt|encryption|all]" echo -e \\tAuthority Access Info OCSP responder: "ocsp:URI" echo -e \\tCRL distribution point: "crl:URI" echo -e \\tSubject Alternative Name: echo -e \\t\\tHostname: "*" echo -e \\t\\tIP address: w.x.y.z echo -e \\t\\tEmail address: "*@*.com/edu/net/org/local" echo -e \\t\\tKerberos principal name: "*@*.COM/EDU/NET/ORG/LOCAL" echo -e \\tExtended key usage: echo -e \\t\\t1.... echo -e \\t\\t2.... echo -e \\t\\tid-kp-server-auth \| tls-server echo -e \\t\\tid-kp-client-auth \| tls-client echo -e \\t\\tid-kp-email-protection \| email echo -e \\t\\tid-ms-kp-sc-logon \| id-ms-sc-logon echo -e \\t\\tid-pkinit-kp-client-auth \| id-pkinit-client echo -e \\t\\tid-pkinit-kp-kdc \| id-pkinit-kdc echo -e \\t\\tca \| CA exit 1 fi # Choose a user name part for email attributes. GIVENUSER=$2 test x"$GIVENUSER" = x && GIVENUSER=$USER echo "$GIVENUSER" | grep -q @ || GIVENUSER="$GIVENUSER"@$DOMAIN DOMAIN=`echo "$GIVENUSER" | cut -f2- -d@` shift || true shift || true # Done already? done=: keygen() { case "$KEYTYPE" in DSA) openssl dsaparam -out "$1".param $KEYSIZE openssl gendsa "$1".param ;; RSA|*) #openssl genrsa $KEYSIZE -passout pass:qweqwe openssl genrsa $KEYSIZE #openssl genrsa $KEYSIZE -nodes ;; esac } # Set some defaults. CA=FALSE if test -s ca.crldp.uri.txt ; then crlval="`cat ca.crldp.uri.txt`" crl="URI:$crlval" fi if test -s ca.ocsp.uri.txt ; then aiaval="`cat ca.ocsp.uri.txt`" aia="OCSP;URI:$aiaval" fi if test -s ca.domain.txt ; then domval="`cat ca.domain.txt`" if test -n "$domval" ; then DOMAIN="$domval" fi fi # Parse the arguments which indicate what sort of information we want. while test $# -gt 0 ; do type= value="$1" case "$value" in RSA|rsa) KEYTYPE=RSA ;; DSA|dsa) KEYTYPE=DSA ;; OCSP:*|ocsp:*) aiaval=`echo "$value" | cut -f2- -d:` aia="OCSP;URI:$aiaval" ;; CRL:*|crl:*) crlval=`echo "$value" | cut -f2- -d:` crl="URI:$crlval" ;; signing|sign) keyusage="${keyusage:+${keyusage},}nonRepudiation,digitalSignature" ;; encryption|encrypt) keyusage="${keyusage:+${keyusage},}keyEncipherment,dataEncipherment" ;; all) keyusage="digitalSignature,nonRepudiation,keyEncipherment,dataEncipherment,keyAgreement,keyCertSign,cRLSign,encipherOnly,decipherOnly" ;; ca|CA) CA=TRUE keyusage="${keyusage:+${keyusage},}nonRepudiation,digitalSignature,keyEncipherment,dataEncipherment,keyAgreement,keyCertSign,cRLSign" ;; 1.*|2.*|id-*|tls-*|email|mail|codesign) ekuval=`echo "$value" | tr '[A-Z]' '[a-z]' | sed 's,\-,,g'` case "$ekuval" in idkpserverauth|tlsserver) ekuval=1.3.6.1.5.5.7.3.1;; idkpclientauth|tlsclient) ekuval=1.3.6.1.5.5.7.3.2;; idkpemailprotection|email|mail) ekuval=1.3.6.1.5.5.7.3.4;; idkpcodesign|codesign) ekuval=1.3.6.1.5.5.7.3.3;; idmskpsclogon|idmssclogon) ekuval=1.3.6.1.4.1.311.20.2.2;; idpkinitkpclientauth|idpkinitclient) ekuval=1.3.6.1.5.2.3.4;; idpkinitkpkdc|idpkinitkdc) ekuval=1.3.6.1.5.2.3.5;; esac if test -z "$eku" ; then eku="$ekuval" else eku="$eku,$ekuval" fi ;; *@*.COM|*@*.EDU|*@*.NET|*@*.ORG|*@*.LOCAL) luser=`echo "$value" | tr '[A-Z]' '[a-z]'` if test "$luser" = "$value" ; then luser= fi type="otherName:1.3.6.1.5.2.2;SEQUENCE:$value,${luser:+otherName:1.3.6.1.4.1.311.20.2.3;UTF8:${luser},}otherName:1.3.6.1.4.1.311.20.2.3;UTF8" unset luser principals="$principals $value" ;; *@*.com|*@*.edu|*@*.net|*@*.org|*@*.local) type=email;; [0-9]*.[0-9]*.[0-9]*.[0-9]*) type=IP;; *) type=DNS;; esac if test -n "$type" ; then newvalue="${type}:$value" if test -z "$altnames" ; then altnames="${newvalue}" else altnames="${altnames},${newvalue}" fi fi shift done # Build the configuration file, including bits on how to construct the CA # certificate, an OCSP responder certificate, and the issued certificate. cat > openssl.cnf <<- EOF [ca] default_ca = issuer [issuer] private_key = `pwd`/ca.key certificate = `pwd`/ca.crt database = `pwd`/ca.db serial = `pwd`/ca.srl default_md = $DIGEST new_certs_dir = $newcertdir policy = no_policy [no_policy] [req_oids] domainComponent = 0.9.2342.19200300.100.1.25 [req_ca] prompt = no oid_section = req_oids distinguished_name = req_ca_name default_md = $DIGEST subjectKeyIdentifier=hash [req_ca_name] C=US #stateOrProvinceName=SomeState localityName=SomeCity O=SomeOrg EOF #echo $DOMAIN | awk 'BEGIN {FS="."}{for(i=NF;i>0;i--){print NF-i ".domainComponent="$i;}}' >> openssl.cnf cat >> openssl.cnf <<- EOF #commonName = Test Certifying CA [v3_ca] subjectKeyIdentifier=hash authorityKeyIdentifier=keyid:always #authorityKeyIdentifier=keyid:always,issuer:always keyUsage=nonRepudiation,digitalSignature,keyEncipherment,dataEncipherment,keyAgreement,keyCertSign,cRLSign basicConstraints=critical,CA:TRUE nsComment="Testing CA Certificate" EOF if test -n "$aia" ; then echo "authorityInfoAccess = ${aia}" >> openssl.cnf echo -n "$aiaval" > ca.ocsp.uri.txt fi if test -n "$crl" ; then echo "crlDistributionPoints = ${crl}" >> openssl.cnf echo -n "$crlval" > ca.crldp.uri.txt fi echo "$DOMAIN" > ca.domain.txt cat >> openssl.cnf <<- EOF [req_ocsp] prompt = no oid_section = req_oids distinguished_name = req_ocsp_name default_md = $DIGEST [req_ocsp_name] C=US #stateOrProvinceName=SomeState localityName=SomeOrg O=SomeOrg EOF #echo $DOMAIN | awk 'BEGIN {FS="."}{for(i=NF;i>0;i--){print NF-i ".domainComponent="$i;}}' >> openssl.cnf cat >> openssl.cnf <<- EOF #commonName = OCSP Signer for Test Certifying CA [v3_ocsp] subjectKeyIdentifier=hash #authorityKeyIdentifier=keyid:always,issuer:always authorityKeyIdentifier=keyid:always keyUsage=digitalSignature,nonRepudiation,keyEncipherment,dataEncipherment,keyAgreement,keyCertSign,cRLSign extendedKeyUsage=1.3.6.1.5.5.7.3.9 #basicConstraints=CA:FALSE basicConstraints=CA:TRUE nsComment="Testing OCSP Certificate" 1.3.6.1.5.5.7.48.1.5=ASN1:NULL EOF if test -n "$aia" ; then echo "authorityInfoAccess = ${aia}" >> openssl.cnf fi if test -n "$crl" ; then echo "crlDistributionPoints = ${crl}" >> openssl.cnf fi cat >> openssl.cnf <<- EOF [req_issued] prompt = no oid_section = req_oids distinguished_name = req_issued_name default_md = $DIGEST [req_issued_name] C=US #stateOrProvinceName=SomeState localityName=SomeCity O=SomeOrg EOF #echo $DOMAIN | awk 'BEGIN {FS="."}{for(i=NF;i>0;i--){print NF-i ".domainComponent="$i;}}' >> openssl.cnf #mail = $GIVENUSER cat >> openssl.cnf <<- EOF commonName = $commonname [v3_issued] #certificatePolicies=2.5.29.32.0${eku:+,${eku}} subjectKeyIdentifier=hash authorityKeyIdentifier=keyid:always #authorityKeyIdentifier=keyid:always,issuer:always EOF if test -n "$aia" ; then echo "authorityInfoAccess = ${aia}" >> openssl.cnf fi if test -n "$crl" ; then echo "crlDistributionPoints = ${crl}" >> openssl.cnf fi if test -n "$keyusage" ; then echo "keyUsage = critical,${keyusage}" >> openssl.cnf fi if test -n "$altnames" ; then echo "subjectAltName = ${altnames}" >> openssl.cnf fi if test -n "$eku" ; then echo "extendedKeyUsage = ${eku}" >> openssl.cnf : fi if test "x$CA" = xTRUE ; then echo "basicConstraints=critical,CA:TRUE" >> openssl.cnf echo 'nsComment="Testing CA Certificate for '"$commonname"'"' >> openssl.cnf else echo "basicConstraints=CA:FALSE" >> openssl.cnf echo 'nsComment="Testing Certificate for '"$commonname"'"' >> openssl.cnf fi for value in $principals; do user=`echo "$value" | cut -f1 -d@` realm=`echo "$value" | cut -f2- -d@` echo "" >> openssl.cnf echo "[$value]" >> openssl.cnf echo "realm=EXPLICIT:0,GeneralString:$realm" >> openssl.cnf echo "kerberosname=EXPLICIT:1,SEQUENCE:krb5$user" >> openssl.cnf echo "" >> openssl.cnf echo "[krb5$user]" >> openssl.cnf echo "nametype=EXPLICIT:0,INTEGER:1" >> openssl.cnf echo "namelist=EXPLICIT:1,SEQUENCE:krb5basic$user" >> openssl.cnf echo "[krb5basic$user]" >> openssl.cnf count=0 for part in `echo "$user" | sed 's,/, ,g'` ; do echo "$count.part=GeneralString:$part" >> openssl.cnf count=`expr "$count" + 1` done done # Create the data files for a new CA. if ! test -s ca.srl ; then (dd if=/dev/urandom bs=8 count=1 2> /dev/null) | od -t x1c | head -n 1 | awk '{$1="00";OFS="";print}' > ca.srl else echo "You already have a ca.srl file; not replacing." fi if ! test -s ca.db ; then touch ca.db else echo "You already have a ca.db file; not replacing." fi if ! test -s ca.db.attr ; then touch ca.db.attr else echo "You already have a ca.db.attr file; not replacing." fi # If we need a CA key, generate one. if ! test -s ca.key ; then umask=`umask -p` umask 077 keygen ca > ca.key 2> /dev/null $umask else echo "You already have a ca.key file; not replacing." done=echo fi # If we need a CA certificate, generate one. if ! test -s ca.crt ; then sed -i -e 's,^\[req_ca\]$,\[req\],g' `pwd`/openssl.cnf openssl req -config `pwd`/openssl.cnf -new -key ca.key > ca.csr 2> /dev/null -passin pass:shim sed -i -e 's,^\[req\]$,\[req_ca\],g' `pwd`/openssl.cnf openssl x509 -extfile `pwd`/openssl.cnf -CAserial ca.srl -signkey ca.key -extensions v3_ca -req -in ca.csr -days $DAYS -out ca.crt ; : 2> /dev/null openssl x509 -noout -text -in ca.crt > ca.txt cat ca.crt >> ca.txt cat ca.txt > ca.crt rm ca.txt cat ca.crt > ca.chain.crt else echo "You already have a ca.crt file; not replacing." done=echo fi # If we need an OCSP key, generate one. if ! test -s ocsp.key ; then umask=`umask -p` umask 077 keygen ocsp > ocsp.key 2> /dev/null $umask else echo "You already have an ocsp.key file; not replacing." done=echo fi # Generate the OCSP signing cert. Set the X.509v3 basic constraints and EKU. if ! test -s ocsp.crt ; then sed -i -e 's,^\[req_ocsp\]$,\[req\],g' `pwd`/openssl.cnf openssl req -config `pwd`/openssl.cnf -new -key ocsp.key > ocsp.csr 2> /dev/null sed -i -e 's,^\[req\]$,\[req_ocsp\],g' `pwd`/openssl.cnf openssl ca -batch -config `pwd`/openssl.cnf -extensions v3_ocsp -preserveDN -in ocsp.csr -days $DAYS -out ocsp.crt 2> /dev/null openssl x509 -noout -text -in ocsp.crt > ocsp.txt cat ocsp.crt >> ocsp.txt cat ocsp.txt > ocsp.crt rm ocsp.txt else echo "You already have an ocsp.crt file; not replacing." done=echo fi # If we were told to revoke the certificate with the specified common name, # do so. if $revoke_cert ; then openssl ca -config `pwd`/openssl.cnf -revoke "$commonname".crt fi # Always refresh the CRL. openssl ca -config `pwd`/openssl.cnf -gencrl ${CRLHOURS:+-crlhours ${CRLHOURS}} ${CRLDAYS:+-crldays ${CRLDAYS}} -out ca.crl.pem openssl crl -in ca.crl.pem -outform der -out ca.crl openssl crl -in ca.crl -inform der -noout -text > ca.crl.pem openssl crl -in ca.crl -inform der >> ca.crl.pem # If we were told to start up the mini OCSP server, do so. if $ocsp_serve ; then openssl ocsp -text -index `pwd`/ca.db -CA `pwd`/ca.crt -rsigner `pwd`/ocsp.crt -rkey `pwd`/ocsp.key -rother `pwd`/ocsp.crt -port "`cut -f3 -d/ ca.ocsp.uri.txt | sed -r 's,(^[^:]*),0.0.0.0,g'`" exit 0 fi # If we're just here to do a revocation or refresh the CRL, we're done. if $revoke_cert || $refresh_crl ; then exit 0 fi # Create a new serial number and whatnot if this is a new sub-CA. if test "x$CA" = xTRUE ; then if ! test -d "$commonname" ; then mkdir "$commonname" fi if ! test -s "$commonname/ca.srl" ; then (dd if=/dev/urandom bs=8 count=1 2> /dev/null) | od -t x1c | head -n 1 | awk '{$1="00";OFS="";print}' > "$commonname/ca.srl" else echo "You already have a $commonname/ca.srl file; not replacing." fi if test -n "$aia" ; then echo -n "$aiaval" > "$commonname/ca.ocsp.uri.txt" fi if test -n "$crl" ; then echo -n "$crlval" > "$commonname/ca.crldp.uri.txt" fi echo "$DOMAIN" > "$commonname/ca.domain.txt" touch "$commonname/ca.db" "$commonname/ca.db.attr" cert="$commonname/ca.crt" csr="$commonname/ca.csr" key="$commonname/ca.key" pem="$commonname/ca.pem" pfx="$commonname/ca.p12" ln -s ../`basename $0` "$commonname"/ else cert="$commonname.crt" csr="$commonname.csr" key="$commonname.key" pem="$commonname.pem" pfx="$commonname.p12" fi # Generate the subject's certificate. Set the X.509v3 basic constraints. if ! test -s "$cert" ; then # Generate another key, unless we have a key or CSR. if ! test -s "$key" && ! test -s "$csr" ; then umask=`umask -p` umask 077 keygen "$commonname" > "$key" 2> /dev/null $umask else echo "You already have a $key or $csr file; not replacing." done=echo fi if ! test -s "$csr" ; then sed -i -e 's,^\[req_issued\]$,\[req\],g' `pwd`/openssl.cnf openssl req -config `pwd`/openssl.cnf -new -key "$key" > "$csr" 2> /dev/null sed -i -e 's,^\[req\]$,\[req_issued\],g' `pwd`/openssl.cnf fi openssl ca -batch -config `pwd`/openssl.cnf -extensions v3_issued -preserveDN -in "$csr" -days $DAYS -out "$cert" 2> /dev/null openssl x509 -noout -text -in "$cert" > "$cert.txt" cat "$cert" >> "$cert.txt" cat "$cert.txt" > "$cert" rm -f "$cert.txt" else echo "You already have a $cert file; not replacing." done=echo fi if test -s ca.chain.crt ; then chain=ca.chain.crt else chain=ca.crt fi if test "x$CA" = xTRUE ; then cat "$chain" "$cert" > "$commonname/ca.chain.crt" fi # Create ca.pem and the subject's name.pem for the benefit of applications # which expect both the private key and the certificate in one file. umask=`umask -p` umask 077 if ! test -s ca.pem ; then cat ca.key ca.crt > ca.pem else echo "You already have a ca.pem file; not replacing." done=echo fi if ! test -s "$pem" ; then cat "$key" "$cert" > "$pem" else echo "You already have a $pem file; not replacing." done=echo fi if ! test -s "$pfx" ; then #openssl pkcs12 -export -inkey "$key" -in "$cert" -name "$commonname" -out "$pfx" -nodes -passout pass:qweqwe openssl pkcs12 -export -inkey "$key" -in "$cert" -name "$commonname" -out "$pfx" -nodes -passout pass: else echo "You already have a $pfx file; not replacing." done=echo fi $umask $done echo CA certificate: openssl x509 -noout -issuer -in ca.crt | sed s,=\ ,\ ,g openssl x509 -noout -subject -in ca.crt | sed s,=\ ,\ ,g echo echo End entity certificate: openssl x509 -noout -issuer -in "$cert" | sed s,=\ ,\ ,g openssl x509 -noout -subject -in "$cert" | sed s,=\ ,\ ,g openssl x509 -noout -serial -in "$cert" | sed s,=,\ ,g echo echo PKCS12 bag: openssl pkcs12 -in "$pfx" -nodes -nokeys -nocerts -info -passin pass: #openssl pkcs12 -in "$pfx" -nodes -nokeys -nocerts -info -passin pass:qweqwe echo echo Verifying: echo + openssl verify -CAfile "$chain" "$cert" openssl verify -CAfile "$chain" "$cert"