diff options
| -rw-r--r-- | README.txt | 10 | ||||
| -rw-r--r-- | configure.sh | 30 | ||||
| -rwxr-xr-x | genca.sh | 14 | ||||
| -rwxr-xr-x | gensignedcert.sh | 31 | ||||
| -rwxr-xr-x | mailcert.sh | 59 | ||||
| -rw-r--r-- | openssl.cnf | 310 | ||||
| -rwxr-xr-x | revoke.sh | 37 | ||||
| -rwxr-xr-x | signcsr.sh | 35 |
8 files changed, 526 insertions, 0 deletions
diff --git a/README.txt b/README.txt new file mode 100644 index 0000000..733e47d --- /dev/null +++ b/README.txt @@ -0,0 +1,10 @@ +Quick and dirty scripts for maintaining a certificate authority/client certificates/server certificates with openssl. + +To start with, you should run + + head -n 15 configure.sh > local.cfg + +edit local.cfg to your liking, run ./genca.sh, then do one of + +* generate a signed key and cert with ./gensignedcert certname +* sign an existing CSR with ./signcsr csrfile diff --git a/configure.sh b/configure.sh new file mode 100644 index 0000000..e441aa0 --- /dev/null +++ b/configure.sh @@ -0,0 +1,30 @@ +#!/bin/echo This is intended to be run from within scripts as this as . + +export CA="omgca" +export EXPIRE="3650" +export C="US" +export ST="Oregon" +export L="Portland" +export O="Rayhawk Foundation For World Domination" +export OU="Ministry of Propaganda" +export CN="Joe Rayhawk" +export E="jrayhawk+ssl@omgwallhack.org" # also used for From: and CC: in ./mailcert.sh usage + +export OPENSSL_CONFIG="openssl.cnf" + +export EMAIL_DEFAULT_DOMAIN="omgwallhack.org" + +if [ $SUPPLEMENTARY_CONFIG ]; then + if [ -e ./"$SUPPLEMENTARY_CONFIG" ]; then + . ./"$SUPPLEMENTARY_CONFIG" # dash is finnicky about how paths for sourcing work + elif [ -e /"$SUPPLEMENTARY_CONFIG" ]; then + . /"$SUPPLEMENTARY_CONFIG" + else + echo "$SUPPLEMENTARY_CONFIG" does not exist + exit 1 + fi +fi + +if [ -e ./local.cfg ]; then + . ./local.cfg # dash is finnicky about how paths for sourcing work +fi diff --git a/genca.sh b/genca.sh new file mode 100755 index 0000000..8178cea --- /dev/null +++ b/genca.sh @@ -0,0 +1,14 @@ +#!/bin/sh +# ./genca.sh (configfile) +set -e + +SUPPLEMENTARY_CONFIG="$1" + +. ./configure.sh + +# Certificate Authority +mkdir -pv "$CA"/ca "$CA"/certs "$CA"/signed +echo 1000 > "$CA"/ca/"$CA".serial +touch "$CA"/ca/"$CA".idx +openssl req -config "$OPENSSL_CONFIG" -new -x509 -days "$EXPIRE" -extensions v3_ca -keyout "$CA"/ca/"$CA".key -out "$CA"/ca/"$CA".crt +chmod 600 "$CA"/ca/"$CA".key diff --git a/gensignedcert.sh b/gensignedcert.sh new file mode 100755 index 0000000..3564024 --- /dev/null +++ b/gensignedcert.sh @@ -0,0 +1,31 @@ +#!/bin/sh +# ./keygen [name] (configfile) +# This is only suggested if you have a secured path to deliver this new key through. + +SUPPLEMENTARY_CONFIG="$2" + +. ./configure.sh + +if ! [ $1 ]; then + echo "Please provide a one-word certificate name as an argument.\n" + echo "$0 [name] (configfile)\n" + exit 2 +fi + +if [ $2 ]; then + export CA=$2 +fi + +# Gen signed key +mkdir -pv "$CA"/signed "$CA"/temp "$CA"/certs +openssl req -config "$OPENSSL_CONFIG" -new -nodes -out "$CA"/temp/"$1".csr -keyout "$CA"/temp/"$1".key +chmod 600 "$CA"/temp/"$1".key +SERIAL=$(cat "$CA"/ca/"$CA".serial) +openssl ca -config "$OPENSSL_CONFIG" -in "$CA"/temp/"$1".csr +if [ -e "$CA"/certs/"$SERIAL".pem ]; then # openssl lacks useful exit status codes, so we check to see if it actually did anything instead. + mv -i "$CA"/temp/"$1".csr "$CA"/temp/"$1".key "$CA"/signed/ + ln "$CA"/certs/"$SERIAL".pem "$CA"/signed/"$1".crt # so we can find the certificate by name as well as by serial + echo To create an encrypted key/certificate, run the following: + echo openssl rsa -in "$CA"/signed/"$1".key -des3 -out "$CA"/signed/"$1"-password.key + echo cat "$CA"/signed/"$1"-password.key "$CA"/signed/"$1".crt '>' "$CA"/signed/"$1"-password.pem +fi diff --git a/mailcert.sh b/mailcert.sh new file mode 100755 index 0000000..d3301d5 --- /dev/null +++ b/mailcert.sh @@ -0,0 +1,59 @@ +#!/bin/bash +# ./mailcert.sh [certfile|certname|serial] (emailaddress) (configfile) + +# We need to know what to send, and who to send it to. We aggressively attempt to infer this information as best we can from what arguments are given to us, and what's provided in config files. + +set -e + +SUPPLEMENTARY_CONFIG="$3" + +if [ $2 ]; then + if [[ "$2" =~ .+@.+ ]]; then + USEREMAIL=$2 + else + echo "Second argument is not a valid email address; proceeding as if it were the config file..." + SUPPLEMENTARY_CONFIG="$2" + fi +fi + +. ./configure.sh + +# attempt to work out where the certificate is, and which CA it is. +if [ -e "$CA"/certs/"$1".pem ]; then # serial + USERCERT="$CA"/certs/"$1".pem +elif [ -e "$CA"/signed/"$1".crt ]; then # certname + USERCERT="$CA"/signed/"$1".crt +elif [ -e "$1" ]; then # certfile (ugh!) +# omgca/signed/test.crt + USERCERT="$1" + if [[ "$1" =~ (.+/|())(.+)/.+/.+ ]]; then + CA="${BASH_REMATCH[3]}" + fi +else + echo None of "$CA"/certs/"$1".pem, "$1", or "$CA"/signed/"$1".crt exist\! + exit 2 +fi + +CACERT="$CA"/ca/"$CA".crt + +# attempt to work out where to send the certificate +if ! [ "$USEREMAIL" ]; then # address from cmdline + if ! USEREMAIL="$(openssl x509 -in "$USERCERT" -text | sed -ne '{s/.*Subject.\+emailAddress=\(.\+\)/\1/p}' | head -n 1 | grep . )"; then # address from cert + if [[ "$USERCERT" =~ (.+/|())(.+)-.+ ]]; then + USEREMAIL="${BASH_REMATCH[3]}"@"$EMAIL_DEFAULT_DOMAIN" + elif [[ "$USERCERT" =~ (.+/|())(.+)\..+ ]]; then + USEREMAIL="${BASH_REMATCH[3]}"@"$EMAIL_DEFAULT_DOMAIN" + else + echo "Cannot find email address!" + exit 3 + fi + fi +fi + +echo CACERT is assumed to be: "$CACERT" +echo USERCERT is assumed to be: "$USERCERT" +echo USEREMAIL is assumed to be: "$USEREMAIL" +echo Press Ctrl-C if any of this looks incorrect. +sleep 5 + +# FIXME: implement /usr/lib/sendmail input, including attachment syntax diff --git a/openssl.cnf b/openssl.cnf new file mode 100644 index 0000000..6fff481 --- /dev/null +++ b/openssl.cnf @@ -0,0 +1,310 @@ +# I have not designed the management scripts to survive modifications to this file. +# you should follow the directions in README.txt + +# This definition stops the following lines choking if HOME isn't +# defined. +HOME = . +RANDFILE = $ENV::HOME/.rnd + +# To use this configuration file with the "-extfile" option of the +# "openssl x509" utility, name here the section containing the +# X.509v3 extensions to use: +# extensions = +# (Alternatively, use a configuration file that has only +# X.509v3 extensions in its main [= default] section.) + +[ new_oids ] + +# We can add new OIDs in here for use by 'ca' and 'req'. +# Add a simple OID like this: +# testoid1=1.2.3.4 +# Or use config file substitution like this: +# testoid2=${testoid1}.5.6 + +#################################################################### +[ ca ] +default_ca = CA_default # The default ca section + +#################################################################### +[ CA_default ] + +dir = ./$ENV::CA # Where everything is kept +certs = $dir/certs # Where the issued certs are kept # this is a lie; what is this even for? +crl_dir = $dir/crl # Where the issued crl are kept # and what is this for? +database = $dir/ca/$ENV::CA.idx # database index file. +unique_subject = no # Set to 'no' to allow creation of + # several ctificates with same subject. +new_certs_dir = $dir/certs # default place for new certs. + +certificate = $dir/ca/$ENV::CA.crt # The CA certificate +serial = $dir/ca/$ENV::CA.serial # The current serial number +#crlnumber = $dir/crl/number # the current crl number + # must be commented out to leave a V1 CRL +crl = $dir/ca/$ENV::CA.crl # The current CRL +private_key = $dir/ca/$ENV::CA.key # The private key +RANDFILE = $dir/.rand # private random number file + +x509_extensions = usr_cert # The extentions to add to the cert + +# Comment out the following two lines for the "traditional" +# (and highly broken) format. +name_opt = ca_default # Subject Name options +cert_opt = ca_default # Certificate field options + +# Extension copying option: use with caution. +# copy_extensions = copy + +# Extensions to add to a CRL. Note: Netscape communicator chokes on V2 CRLs +# so this is commented out by default to leave a V1 CRL. +# crlnumber must also be commented out to leave a V1 CRL. +# crl_extensions = crl_ext + +default_days = $ENV::EXPIRE # how long to certify for +default_crl_days= $ENV::EXPIRE # how long before next CRL +default_md = sha1 # which md to use. +preserve = no # keep passed DN ordering + +# A few difference way of specifying how similar the request should look +# For type CA, the listed attributes must be the same, and the optional +# and supplied fields are just that :-) +policy = policy_anything + +# For the CA policy +[ policy_match ] +countryName = match +stateOrProvinceName = match +organizationName = match +organizationalUnitName = optional +commonName = supplied +emailAddress = optional + +# For the 'anything' policy +# At this point in time, you must list all acceptable 'object' +# types. +[ policy_anything ] +countryName = optional +stateOrProvinceName = optional +localityName = optional +organizationName = optional +organizationalUnitName = optional +commonName = supplied +emailAddress = optional + +#################################################################### +[ req ] +default_bits = 1024 +default_keyfile = privkey.pem +distinguished_name = req_distinguished_name +attributes = req_attributes +x509_extensions = v3_ca # The extentions to add to the self signed cert + +# Passwords for private keys if not present they will be prompted for +# input_password = secret +# output_password = secret + +# This sets a mask for permitted string types. There are several options. +# default: PrintableString, T61String, BMPString. +# pkix : PrintableString, BMPString. +# utf8only: only UTF8Strings. +# nombstr : PrintableString, T61String (no BMPStrings or UTF8Strings). +# MASK:XXXX a literal mask value. +# WARNING: current versions of Netscape crash on BMPStrings or UTF8Strings +# so use this option with caution! +string_mask = nombstr + +# req_extensions = v3_req # The extensions to add to a certificate request + +[ req_distinguished_name ] +countryName = Country Name (2 letter code) +countryName_default = $ENV::C +countryName_min = 2 +countryName_max = 2 + +stateOrProvinceName = State or Province Name (full name) +stateOrProvinceName_default = $ENV::ST + +localityName = Locality Name (eg, city) +localityName_default = $ENV::L + +0.organizationName = Organization Name (eg, company) +0.organizationName_default = $ENV::O + +# we can do this but it is not needed normally :-) +#1.organizationName = Second Organization Name (eg, company) +#1.organizationName_default = World Wide Web Pty Ltd + +organizationalUnitName = Organizational Unit Name (eg, section) +organizationalUnitName_default = $ENV::OU + +commonName = Common Name (eg, YOUR name) +commonName_max = 64 +commonName_default = $ENV::CN + +emailAddress = Email Address +emailAddress_max = 64 +emailAddress_default = $ENV::E + +# SET-ex3 = SET extension number 3 + +[ req_attributes ] +#challengePassword = A challenge password +#challengePassword_min = 4 +#challengePassword_max = 20 + +#unstructuredName = An optional company name + +[ usr_cert ] + +# These extensions are added when 'ca' signs a request. + +# This goes against PKIX guidelines but some CAs do it and some software +# requires this to avoid interpreting an end user certificate as a CA. + +basicConstraints=CA:FALSE + +# Here are some examples of the usage of nsCertType. If it is omitted +# the certificate can be used for anything *except* object signing. + +# This is OK for an SSL server. +# nsCertType = server + +# For an object signing certificate this would be used. +# nsCertType = objsign + +# For normal client use this is typical +# nsCertType = client, email + +# and for everything including object signing: +# nsCertType = client, email, objsign + +# This is typical in keyUsage for a client certificate. +# keyUsage = nonRepudiation, digitalSignature, keyEncipherment + +# This will be displayed in Netscape's comment listbox. +nsComment = "OpenSSL Generated Certificate" + +# PKIX recommendations harmless if included in all certificates. +subjectKeyIdentifier=hash +authorityKeyIdentifier=keyid,issuer + +# This stuff is for subjectAltName and issuerAltname. +# Import the email address. +# subjectAltName=email:copy +# An alternative to produce certificates that aren't +# deprecated according to PKIX. +# subjectAltName=email:move + +# Copy subject details +# issuerAltName=issuer:copy + +#nsCaRevocationUrl = http://www.domain.dom/ca-crl.pem +#nsBaseUrl +#nsRevocationUrl +#nsRenewalUrl +#nsCaPolicyUrl +#nsSslServerName + +[ v3_req ] + +# Extensions to add to a certificate request + +basicConstraints = CA:FALSE +keyUsage = nonRepudiation, digitalSignature, keyEncipherment + +[ v3_ca ] + + +# Extensions for a typical CA + + +# PKIX recommendation. + +subjectKeyIdentifier=hash + +authorityKeyIdentifier=keyid:always,issuer:always + +# This is what PKIX recommends but some broken software chokes on critical +# extensions. +#basicConstraints = critical,CA:true +# So we do this instead. +basicConstraints = CA:true + +# Key usage: this is typical for a CA certificate. However since it will +# prevent it being used as an test self-signed certificate it is best +# left out by default. +# keyUsage = cRLSign, keyCertSign + +# Some might want this also +# nsCertType = sslCA, emailCA + +# Include email address in subject alt name: another PKIX recommendation +# subjectAltName=email:copy +# Copy issuer details +# issuerAltName=issuer:copy + +# DER hex encoding of an extension: beware experts only! +# obj=DER:02:03 +# Where 'obj' is a standard or added object +# You can even override a supported extension: +# basicConstraints= critical, DER:30:03:01:01:FF + +[ crl_ext ] + +# CRL extensions. +# Only issuerAltName and authorityKeyIdentifier make any sense in a CRL. + +# issuerAltName=issuer:copy +authorityKeyIdentifier=keyid:always,issuer:always + +[ proxy_cert_ext ] +# These extensions should be added when creating a proxy certificate + +# This goes against PKIX guidelines but some CAs do it and some software +# requires this to avoid interpreting an end user certificate as a CA. + +basicConstraints=CA:FALSE + +# Here are some examples of the usage of nsCertType. If it is omitted +# the certificate can be used for anything *except* object signing. + +# This is OK for an SSL server. +# nsCertType = server + +# For an object signing certificate this would be used. +# nsCertType = objsign + +# For normal client use this is typical +# nsCertType = client, email + +# and for everything including object signing: +# nsCertType = client, email, objsign + +# This is typical in keyUsage for a client certificate. +# keyUsage = nonRepudiation, digitalSignature, keyEncipherment + +# This will be displayed in Netscape's comment listbox. +nsComment = "OpenSSL Generated Certificate" + +# PKIX recommendations harmless if included in all certificates. +subjectKeyIdentifier=hash +authorityKeyIdentifier=keyid,issuer:always + +# This stuff is for subjectAltName and issuerAltname. +# Import the email address. +# subjectAltName=email:copy +# An alternative to produce certificates that aren't +# deprecated according to PKIX. +# subjectAltName=email:move + +# Copy subject details +# issuerAltName=issuer:copy + +#nsCaRevocationUrl = http://www.domain.dom/ca-crl.pem +#nsBaseUrl +#nsRevocationUrl +#nsRenewalUrl +#nsCaPolicyUrl +#nsSslServerName + +# This really needs to be in place for it to be a proxy certificate. +proxyCertInfo=critical,language:id-ppl-anyLanguage,pathlen:3,policy:foo diff --git a/revoke.sh b/revoke.sh new file mode 100755 index 0000000..8e45ab7 --- /dev/null +++ b/revoke.sh @@ -0,0 +1,37 @@ +#!/bin/bash +# requires bash regexes + +SUPPLEMENTARY_CONFIG="$2" + +set -e + +. ./configure.sh + +if [ $2 ]; then + export CA=$2 +fi + +if [ -e "$1" ]; then # check by filename + CERT="$1" +elif [ -e "$CA"/signed/"$1".crt ]; then # check by certificate name + CERT="$CA"/signed/"$1".crt +elif [ -e "$CA"/certs/"$1".pem ]; then # check by serial + CERT="$CA"/certs/"$1".pem +else + echo "Please provide a certificate file, name, or serial to revoke as an argument." + echo "$0 [certfile|certname|serial] (configfile)" + exit 2 +fi + +# Gen signed key +echo Adding revocation to index... +openssl ca -config "$OPENSSL_CONFIG" -revoke "$CERT" +echo Building and signing CRL... +openssl ca -config "$OPENSSL_CONFIG" -gencrl -out "$CA"/ca/"$CA".crl +echo +openssl crl -in "$CA"/ca/"$CA".crl -text -noout +echo +echo Apache: SSLCARevocationFile "$PWD"/"$CA"/ca/"$CA".crl +echo nginx: ssl_crl "$PWD"/"$CA"/ca/"$CA".crl +echo Lighttpd: sucks to be you! + diff --git a/signcsr.sh b/signcsr.sh new file mode 100755 index 0000000..8074b39 --- /dev/null +++ b/signcsr.sh @@ -0,0 +1,35 @@ +#!/bin/bash +# requires bash regexes + +SUPPLEMENTARY_CONFIG="$2" + +. ./configure.sh + +if ! [ -e "$1" ]; then + echo "Please provide a csr file as an argument." + echo "$0 [csrfile] (configfile)" + exit 2 +fi + +# bash doesn't like the (stuff|) construction, so we use (stuff|()) +if [[ "$1" =~ (.+/|())(.+) ]]; then # strip leading directories, if they exist + NAME="${BASH_REMATCH[3]}" + if [[ "$NAME" =~ (.+)\..* ]]; then # strip trailing suffix, if it exists + NAME="${BASH_REMATCH[1]}" + fi + echo Using "$NAME" as cert name. +fi + +if [ $2 ]; then + export CA=$2 +fi + +# Gen signed key +mkdir -pv "$CA"/signed "$CA"/temp "$CA"/certs +SERIAL=$(cat "$CA"/ca/"$CA".serial) +openssl ca -config "$OPENSSL_CONFIG" -in "$1" +if [ -e "$CA"/certs/"$SERIAL".pem ]; then # openssl lacks useful exit status codes, so we check to see if it actually did anything instead. + mv -i "$1" "$CA"/signed/$NAME.csr + ln "$CA"/certs/"$SERIAL".pem "$CA"/signed/"$1".crt # so we can find the certificate by name as well as serial + echo "Use ./mailcert.sh $NAME [emailaddress] to use sendmail to deliver the CA and user certificate." +fi |