109 lines
4 KiB
Bash
Executable file
109 lines
4 KiB
Bash
Executable file
#!/bin/bash
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source $(dirname $(dirname $0))/../lib/ca-functions
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# XXX: Add an interactive mode to this script to obviate the need for a
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# pre-existing config file? e.g.
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# $ cd /empty/directory or /dir/containing/partial/conf
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# $ ca-init -i
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# or maybe:
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# $ ca-init -i /path/to/CA_HOME
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# + modify config file loading to check current directory too?
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# XXX: corollary to above: provide --long-options for all config file
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# variables also, reducing or eliminating *requirement* for config file?
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usage() {
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cat <<__EOT__
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Usage: $PROGNAME [options]
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Options:
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-h, --help Print this helpful message!
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-c, --encrypt Encrypt CA private key with Triple-DES
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-f, --config FILE Use config file instead of $CONFFILE
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-d, --days DAYS CA Certificate valid for DAYS days instead of CA_DAYS
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-l, --crl-days DAYS Make CRL valid for DAYS days instead of CA_CRL_DAYS
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-b, --bits BITS Generate a BITS bit certificate instead of CA_CRT_BITS
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-i, --template FILE Use alternative index.html template
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-o, --output FILE Generate CA index.html in FILE
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-s, --sign-only Only generate CA cert/key, use pre-created config
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-x, --cnf-only Only generate CA config file, don't create CA cert/key
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__EOT__
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}
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short="hcf:d:l:b:i:o:sx"
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long="help,encrypt,config:,days:,crl-days:,bits:"
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long="$long,template:,output:,sign-only,cnf-only"
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opts=$( getopt -o "$short" -l "$long" -n "$PROGNAME" -- "$@" )
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if [ 0 -ne $? ]; then echo; usage; exit 1; fi
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eval set -- "$opts";
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CRT_ONLY=0
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CNF_ONLY=0
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while :; do
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case "$1" in
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-h|--help) usage; exit 0;;
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-c|--encrypt) CRYPTKEY=""; shift;;
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-f|--config) shift; CONFFILE="$1"; CONFFILECLI=1; shift;;
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-d|--days) shift; USER_CA_DAYS="$1"; shift;;
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-l|--crl-days) shift; USER_CA_CRL_DAYS="$1"; shift;;
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-b|--bits) shift; USER_CA_CRT_BITS="$1"; shift;;
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-i|--template) shift; INDEXTPL="$1"; shift;;
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-o|--output) shift; INDEXOUT="$1"; shift;;
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-s|--sign-only) CRT_ONLY=1; shift;;
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-x|--cnf-only) CNF_ONLY=1; shift;;
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--) shift; break;;
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*) echo "Unknown value '$1'"; exit 1;;
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esac
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done
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# load up the configuration file
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ca_load_conf
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if [ 1 -eq "$CRT_ONLY" -a 1 -eq "$CNF_ONLY" ]; then
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error "The --crt-only and --cnf-only options are mutually exclusive."
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fi
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if [ 1 -eq "$CNF_ONLY" -a -n "$INDEXOUT" ]; then
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error "Cannot generate index.html when not creating certificates."
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fi
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if [ 1 -ne "$CRT_ONLY" ]; then
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# create the directory structure that'll be populated by the scripts
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mkdir -p $CA_HOME/{cnf,crl,crt,csr,db,idx,key,p12}
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echo "01" > $CA_HOME/db/crlnumber
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touch $CA_HOME/db/index.txt
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touch $CA_HOME/db/.rand
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# generate an openssl configuration for this CA
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ca_template ca-config "$CA_HOME/cnf/$CA_NAME.ca.cnf"
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fi
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if [ 1 -ne "$CNF_ONLY" ]; then
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if [ ! -f "$CA_HOME/cnf/$CA_NAME.ca.cnf" ]; then
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# looks like someone's running ca-init with -s without using -x first
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error "Could not find CA config. Please run ca-init -x before using ca-init -s."
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fi
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# generate a self-signed cert that is valid for 10 years, with
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# ... the private key in $CA_HOME/key/$CA_NAME.ca.key
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# ... the certificate in $CA_HOME/crt/$CA_NAME.ca.crt
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# ... using the config in $CA_HOME/cnf/$CA_NAME.ca.cnf
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openssl req -new $CRYPTKEY -config "$CA_HOME/cnf/$CA_NAME.ca.cnf" \
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-keyout "$CA_HOME/key/$CA_NAME.ca.key" \
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-out "$CA_HOME/csr/$CA_NAME.ca.csr"
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chmod 400 "$CA_HOME/key/$CA_NAME.ca.key"
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openssl ca -create_serial -selfsign -days "$CA_DAYS" -batch \
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-name ca_scripts -extensions ca_x509_extensions \
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-config "$CA_HOME/cnf/$CA_NAME.ca.cnf" \
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-in "$CA_HOME/csr/$CA_NAME.ca.csr" \
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-keyfile "$CA_HOME/key/$CA_NAME.ca.key" \
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-out "$CA_HOME/crt/$CA_NAME.ca.crt"
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# generate an initial CRL too (yes it will be empty, but we should serve it)
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ca_gen_crl
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if [ -n "$INDEXOUT" ]; then
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ca_checksum
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ca_template $INDEXTPL $INDEXOUT
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fi
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fi
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