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187 lines
4.5 KiB
187 lines
4.5 KiB
#!/bin/sh -e
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#
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# update-ca-certificates
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#
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# Copyright (c) 2003 Fumitoshi UKAI <ukai@debian.or.jp>
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# Copyright (c) 2009 Philipp Kern <pkern@debian.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02111-1301,
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# USA.
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#
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verbose=0
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fresh=0
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default=0
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CERTSCONF=/etc/ca-certificates.conf
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CERTSDIR=/share/ca-certificates
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LOCALCERTSDIR=/var/share/ca-certificates
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CERTBUNDLE=ca-certificates.crt
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ETCCERTSDIR=/etc/ssl/certs
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while [ $# -gt 0 ];
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do
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case $1 in
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--verbose|-v)
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verbose=1;;
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--fresh|-f)
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fresh=1;;
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--default|-d)
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default=1
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fresh=1;;
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--certsconf)
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shift
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CERTSCONF="$1";;
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--certsdir)
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shift
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CERTSDIR="$1";;
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--localcertsdir)
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shift
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LOCALCERTSDIR="$1";;
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--certbundle)
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shift
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CERTBUNDLE="$1";;
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--etccertsdir)
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shift
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ETCCERTSDIR="$1";;
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--help|-h|*)
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echo "$0: [--verbose] [--fresh]"
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exit;;
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esac
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shift
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done
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if [ ! -s "$CERTSCONF" ]
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then
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fresh=1
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fi
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cleanup() {
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rm -f "$TEMPBUNDLE"
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rm -f "$ADDED"
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rm -f "$REMOVED"
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}
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trap cleanup 0
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# Helper files. (Some of them are not simple arrays because we spawn
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# subshells later on.)
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TEMPBUNDLE="$(mktemp -t "${CERTBUNDLE}.tmp.XXXXXX")"
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ADDED="$(mktemp -t "ca-certificates.tmp.XXXXXX")"
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REMOVED="$(mktemp -t "ca-certificates.tmp.XXXXXX")"
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# Adds a certificate to the list of trusted ones. This includes a symlink
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# in /etc/ssl/certs to the certificate file and its inclusion into the
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# bundle.
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add() {
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CERT="$1"
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PEM="$ETCCERTSDIR/$(basename "$CERT" .crt | sed -e 's/ /_/g' \
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-e 's/[()]/=/g' \
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-e 's/,/_/g').pem"
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if ! test -e "$PEM" || [ "$(readlink "$PEM")" != "$CERT" ]
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then
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ln -sf "$CERT" "$PEM"
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echo "+$PEM" >> "$ADDED"
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fi
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# Add trailing newline to certificate, if it is missing (#635570)
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sed -e '$a\' "$CERT" >> "$TEMPBUNDLE"
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}
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remove() {
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CERT="$1"
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PEM="$ETCCERTSDIR/$(basename "$CERT" .crt).pem"
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if test -L "$PEM"
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then
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rm -f "$PEM"
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echo "-$PEM" >> "$REMOVED"
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fi
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}
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mkdir -p "$ETCCERTSDIR"
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cd "$ETCCERTSDIR"
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if [ "$fresh" = 1 ]; then
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echo "Clearing symlinks in $ETCCERTSDIR..."
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find . -type l -print | while read symlink
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do
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case $(readlink "$symlink") in
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$CERTSDIR*|$LOCALCERTSDIR*) rm -f $symlink;;
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esac
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done
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find . -type l -print | while read symlink
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do
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test -f "$symlink" || rm -f "$symlink"
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done
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echo "done."
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fi
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echo "Updating certificates in $ETCCERTSDIR..."
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# Add default certificate authorities if requested
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if [ "$default" = 1 ]; then
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find -L "$CERTSDIR" -type f -name '*.crt' | sort | while read crt
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do
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add "$crt"
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done
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fi
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# Handle certificates that should be removed. This is an explicit act
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# by prefixing lines in the configuration files with exclamation marks (!).
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sed -n -e '/^$/d' -e 's/^!//p' "$CERTSCONF" | while read crt
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do
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remove "$CERTSDIR/$crt"
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done
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sed -e '/^$/d' -e '/^#/d' -e '/^!/d' "$CERTSCONF" | while read crt
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do
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if ! test -f "$CERTSDIR/$crt"
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then
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echo "W: $CERTSDIR/$crt not found, but listed in $CERTSCONF." >&2
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continue
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fi
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add "$CERTSDIR/$crt"
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done
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# Now process certificate authorities installed by the local system
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# administrator.
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if [ -d "$LOCALCERTSDIR" ]
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then
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find -L "$LOCALCERTSDIR" -type f -name '*.crt' | sort | while read crt
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do
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add "$crt"
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done
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fi
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rm -f "$CERTBUNDLE"
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ADDED_CNT=$(wc -l < "$ADDED")
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REMOVED_CNT=$(wc -l < "$REMOVED")
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if [ "$ADDED_CNT" -gt 0 ] || [ "$REMOVED_CNT" -gt 0 ]
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then
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# only run if set of files has changed
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if [ "$verbose" = 0 ]
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then
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c_rehash . > /dev/null
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else
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c_rehash .
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fi
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fi
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chmod 0644 "$TEMPBUNDLE"
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mv -f "$TEMPBUNDLE" "$CERTBUNDLE"
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# Restore proper SELinux label after moving the file
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[ -x /sbin/restorecon ] && /sbin/restorecon "$CERTBUNDLE" >/dev/null 2>&1
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echo "$ADDED_CNT added, $REMOVED_CNT removed; done."
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# vim:set et sw=2:
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