182 lines
7.2 KiB
Bash
Executable file
182 lines
7.2 KiB
Bash
Executable file
#!/bin/bash
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source $(dirname $(readlink -f $0))/../lib/ca-functions
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ALT_NAMES=()
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QUALIFY=1
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CNF_ONLY=0
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CSR_ONLY=0
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CRT_ONLY=0
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MAKE_P12=0
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# XXX: in the ca_extension_policy section of ca-config.tpl it states that the
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# C= and O= DN values in a CSR have to match those of the CA
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# should we have options here to change them when it will cause breakage?
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usage() {
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cat <<__EOT__
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Usage:
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$PROGNAME [options] <common name>
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Options:
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-h, --help Print this helpful message!
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-c, --encrypt Encrypt certificate private key with Triple-DES
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-f, --config FILE Use config file instead of $CONFFILE
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-t, --type TYPE Certificate type: "server" (default), "client" or "user"
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-d, --days DAYS Certificate valid for DAYS days instead of CA_CRT_DAYS
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-b, --bits BITS Generate a BITS bit certificate instead of CA_CRT_BITS
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-n, --alt-name NAME Alternative host name (can be provided multiple times)
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-p, --pkcs12 Create PKCS#12 certificate archive from generated cert
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-q, --no-qualify Don't qualify short (dotless) names with CA_DOMAIN
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-r, --req-only Only generate CSR, don't sign it
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-s, --sign-only Only sign certificate, requires CSR in place
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-x, --cnf-only Only generate templates, do not create CSR or sign CRT
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--country Certificate DN -- C
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--state Certificate DN -- ST
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--loc Certificate DN -- L
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--org Certificate DN -- O
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--ounit Certificate DN -- OU
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--email Certificate DN -- E
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--comment Certificate nsComment field
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__EOT__
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}
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short="hcf:t:d:b:n:pqrsx"
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long="help,encrypt,config:,type:,days:,bits:,alt-name:"
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long="$long,pkcs12,no-qualify,req-only,sign-only,cnf-only"
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long="$long,country:,state:,loc:,org:,ounit:,email:,comment:"
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opts=$( 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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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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-t|--type) shift; USER_CA_CRT_TYPE="$1"; shift;;
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-d|--days) shift; USER_CA_CRT_DAYS="$1"; shift;;
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-b|--bits) shift; USER_CA_CRT_BITS="$1"; shift;;
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-n|--alt-name) shift; ALT_NAMES+=("$1"); shift;;
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-p|--pkcs12) MAKE_P12=1; shift;;
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-q|--no-qualify) QUALIFY=0; shift;;
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-r|--req-only) CSR_ONLY=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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--country) shift; USER_CA_CRT_C="$1"; shift;;
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--state) shift; USER_CA_CRT_ST="$1"; shift;;
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--location) shift; USER_CA_CRT_L="$1"; shift;;
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--org) shift; USER_CA_CRT_O="$1"; shift;;
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--ounit) shift; USER_CA_CRT_OU="$1"; shift;;
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--email) shift; USER_CA_CRT_E="$1"; shift;;
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--comment) shift; USER_CA_CRT_COMMENT="$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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# This must be provided on the command line. There's no point setting a
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# "default" certificate CN in the config, it should be different every time.
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CA_CRT_CN="$1"
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# parameter checking fun -- we need a type and a cn (either user or host name)
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if [ -z "$CA_CRT_CN" ]; then
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error "The host or username parameter is mandatory!"
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fi
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if [ 1 -eq "$CSR_ONLY" -a 1 -eq "$CRT_ONLY" ]; then
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error "Options --csr-only and --crt-only are mutually exclusive."
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fi
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if [ "$CA_CRT_TYPE" = "user" ]; then
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# append @$CA_DOMAIN to user CN if it's not already there and -q not set
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if [ 1 -eq "$QUALIFY" -a "${CA_CRT_CN%%@*}" = "$CA_CRT_CN" ]; then
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CA_CRT_CN="$CA_CRT_CN@$CA_DOMAIN";
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fi
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else
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# fully qualify server or client CN with $CA_DOMAIN if it's not already
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if [ 1 -eq "$QUALIFY" -a "${CA_CRT_CN%%.*}" = "$CA_CRT_CN" ]; then
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# however we may also want the unqualified one as an alt-name
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ALT_NAMES+=("$CA_CRT_CN")
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CA_CRT_CN="$CA_CRT_CN.$CA_DOMAIN"
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fi
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fi
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CNF_NAME=$( echo -n "$CA_CRT_CN" | tr -c '[:alnum:]@-' _ )".$CA_CRT_TYPE";
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# if they've provided a comment, reformat it correctly
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if [ -n "$CA_CRT_COMMENT" ]; then
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CA_CRT_COMMENT="$( tr -d\" <<< $CA_CRT_COMMENT )"
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CA_CRT_COMMENT="nsComment = \"$CA_CRT_COMMENT\"\n"
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else
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CA_CRT_COMMENT=""
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fi
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CA_CRT_ALT_NAMES=""
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# generate a list of alternative DNS names for server or client certificates
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if [ "$CA_CRT_TYPE" != "user" ]; then
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i=1
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for ALT_NAME in "$CA_CRT_CN" "${ALT_NAMES[@]}"; do
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# also fully-qualify unqualified alt-names too (see below)
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# NOTE: except when it's the previously-fully-qualified CN...
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# XXX: maybe we should uniq the alt-names? hmm.
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if [ 1 -eq "$QUALIFY" -a "${ALT_NAME%%.*}" = "$ALT_NAME" \
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-a "${CA_CRT_CN%%.*}" != "$ALT_NAME" ]; then
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CA_CRT_ALT_NAMES="${CA_CRT_ALT_NAMES}DNS.$i=$ALT_NAME.$CA_DOMAIN\n"
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i=$(( $i+1 ))
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fi
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CA_CRT_ALT_NAMES="${CA_CRT_ALT_NAMES}DNS.$i=$ALT_NAME\n"
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i=$(( $i+1 ))
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done
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fi
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if [ 1 -ne "$CRT_ONLY" ]; then
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if [ 1 -eq "$CNF_ONLY" -o "$CSR_ONLY" -eq "$CNF_ONLY" ]; then
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# dirty logic here that probably needs commenting!
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# generate a *new* certificate request configuration if...
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# a) --cnf-only is set, i.e. we only want to generate a config
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# b) both --cnf-only and --csr-only are unset, i.e.
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# we're just generating a csr/crt as per usual
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# c) both --cnf-only and --csr-only are set, i.e.
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# we're just generating the config and not the csr itself
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ca_template "req-config" "$CA_HOME/cnf/$CNF_NAME.req.cnf"
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fi
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if [ 1 -ne "$CNF_ONLY" ]; then
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if [ ! -f "$CA_HOME/cnf/$CNF_NAME.req.cnf" ]; then
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error "Couldn't find CSR config $CA_HOME/cnf/$CNF_NAME.req.cnf!"
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fi
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# the above logic means that if you pass --csr-only but not
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# --cnf-only, you can re-use a pre-existing config to generate
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# a new csr, should you wish to do so...
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openssl req -new $CRYPTKEY -config "$CA_HOME/cnf/$CNF_NAME.req.cnf" \
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-keyout "$CA_HOME/key/$CNF_NAME.key" \
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-out "$CA_HOME/csr/$CNF_NAME.csr"
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fi
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fi
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if [ 1 -ne "$CSR_ONLY" ]; then
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if [ 1 -eq "$CNF_ONLY" -o "$CRT_ONLY" -eq "$CNF_ONLY" ]; then
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# same logic above applies here, but for generating the extensions
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# configuration file and signed certificate instead
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ca_template "$CA_CRT_TYPE-ext" "$CA_HOME/cnf/$CNF_NAME.ext.cnf"
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fi
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if [ 1 -ne "$CNF_ONLY" ]; then
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# ensure relevant files are in place before continuing...
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if [ ! -f "$CA_HOME/csr/$CNF_NAME.csr" ]; then
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error "CSR not present in $CA_HOME/csr/$CNF_NAME.csr"
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fi
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if [ ! -f "$CA_HOME/cnf/$CNF_NAME.ext.cnf" ]; then
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error "Couldn't find extensions in $CA_HOME/cnf/$CNF_NAME.ext.cnf"
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fi
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openssl ca -config "$CA_HOME/cnf/$CA_NAME.ca.cnf" \
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-days "$CA_CRT_DAYS" \
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-extfile "$CA_HOME/cnf/$CNF_NAME.ext.cnf" -batch \
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-out "$CA_HOME/crt/$CNF_NAME.crt" \
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-in "$CA_HOME/csr/$CNF_NAME.csr"
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fi
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fi
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if [ 1 -eq "$MAKE_P12" ]; then
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ca_gen_p12 "$CNF_NAME"
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fi
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