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-rw-r--r--debian/configure-instance.sh148
1 files changed, 148 insertions, 0 deletions
diff --git a/debian/configure-instance.sh b/debian/configure-instance.sh
new file mode 100644
index 0000000..6a297d1
--- /dev/null
+++ b/debian/configure-instance.sh
@@ -0,0 +1,148 @@
+#! /bin/sh -e
+
+# This helper script is used by the postfix init scripts,
+# upstart jobs, systemd services, openrc scripts, etc. in
+# prepping the instance of postfix to be started.
+
+# It was originally part of the postfix init script, which
+# was written by LaMont Jones <lamont@debian.org>, and based
+# off of the sendmail init script.
+
+chroot_extra_files=
+chroot_extra_CAdir=
+
+INSTANCE="$1"
+
+SYNC_CHROOT="y"
+
+if test -r /etc/default/postfix; then
+ . /etc/default/postfix
+fi
+
+# Sigh. Because reasons, files is relative, CAdir not
+[ "$chroot_extra_CAdir" != '' ] && [ ! "${chroot_extra_CAdir%${chroot_extra_CAdir#?}}"x = '/x' ] && chroot_extra_CAdir=/$chroot_extra_CAdir
+if [ "$chroot_extra_files" != '' ]; then
+ files=''
+ for file in $chroot_extra_files
+ do
+ [ "${file%${file#?}}"x = '/x' ] && file=${file#?}
+ files="$files $file"
+ done
+ chroot_extra_files=$files
+fi
+
+if [ "X$INSTANCE" = X ] || [ "X$INSTANCE" = "X-" ]; then
+ POSTCONF="postconf -o inet_interfaces="
+else
+ POSTCONF="postmulti -i $INSTANCE -x postconf -o inet_interfaces="
+fi
+
+# if you set myorigin to 'ubuntu.com' or 'debian.org', it's wrong, and annoys the admins of
+# those domains. See also sender_canonical_maps.
+
+MYORIGIN=$($POSTCONF -hx myorigin | tr 'A-Z' 'a-z')
+if [ "X${MYORIGIN#/}" != "X${MYORIGIN}" ]; then
+ MYORIGIN=$(tr 'A-Z' 'a-z' < $MYORIGIN)
+fi
+if [ "X$MYORIGIN" = Xubuntu.com ] || [ "X$MYORIGIN" = Xdebian.org ]; then
+ echo "Invalid \$myorigin ($MYORIGIN), refusing to start"
+ exit 1
+fi
+
+config_dir=$($POSTCONF -hx config_directory)
+MAJOR_VER=$($POSTCONF -hx mail_version|cut -d. -f1)
+COMPAT=$($POSTCONF -xh compatibility_level|cut -d. -f1)
+[ $MAJOR_VER -ge 3 ] && [ $COMPAT -ge 1 ] && CHROOT_TEST="[yY]" || CHROOT_TEST="[-yY]"
+# see if anything is running chrooted.
+NEED_CHROOT=$(awk '/^[0-9a-z]/ && ($5 ~ "'"$CHROOT_TEST"'") { print "y"; exit}' ${config_dir}/master.cf)
+
+# Functions for chroot setup
+
+copyCAdir() {
+ # Copy/update CA directory in chroot
+ ca_path=$1
+ case "$ca_path" in
+ '') :;; # no ca_path
+ $queue_dir/*) :;; # skip stuff already in chroot
+ *)
+ if test -d "$ca_path"; then
+ dest_dir="$queue_dir/${ca_path#/}"
+ # strip any/all trailing /
+ while [ "${dest_dir%/}" != "${dest_dir}" ]; do
+ dest_dir="${dest_dir%/}"
+ done
+ new=0
+ if test -d "$dest_dir"; then
+ # write to a new directory ...
+ dest_dir="${dest_dir}.NEW"
+ new=1
+ fi
+ mkdir --parent ${dest_dir}
+ # handle files in subdirectories
+ (cd "$ca_path" && find . -name '*.pem' -not -xtype l -print0 | cpio -0pdL --quiet "$dest_dir") 2>/dev/null ||
+ (echo failure copying certificates; exit 1)
+ openssl rehash "$dest_dir" >/dev/null 2>&1
+ if [ "$new" = 1 ]; then
+ # and replace the old directory
+ rm -rf "${dest_dir%.NEW}"
+ mv "$dest_dir" "${dest_dir%.NEW}"
+ fi
+ fi
+ ;;
+ esac
+}
+
+if [ -n "$NEED_CHROOT" ] && [ -n "$SYNC_CHROOT" ]; then
+ # Make sure that the chroot environment is set up correctly.
+ umask 022
+ queue_dir=$($POSTCONF -hx queue_directory)
+ cd "$queue_dir"
+
+ # Set the smtp CA path to be copied, if specified
+ sca_path=$($POSTCONF -hx smtp_tls_CApath)
+
+ # Set the smtpd CA path to be copied, if specified
+ dca_path=$($POSTCONF -hx smtpd_tls_CApath)
+
+ # Copy or update each defined CA directory
+ for CA in $sca_path $dca_path $chroot_extra_CAdir
+ do
+ copyCAdir $CA
+ done
+
+ # if we're using unix:passwd.byname, then we need to add etc/passwd.
+ local_maps=$($POSTCONF -hx local_recipient_maps)
+ if [ "X$local_maps" != "X${local_maps#*unix:passwd.byname}" ]; then
+ if [ "X$local_maps" = "X${local_maps#*proxy:unix:passwd.byname}" ]; then
+ sed 's/^\([^:]*\):[^:]*/\1:x/' /etc/passwd > etc/passwd
+ chmod a+r etc/passwd
+ fi
+ fi
+
+ FILES="etc/localtime etc/services etc/resolv.conf etc/hosts \
+ etc/host.conf etc/nsswitch.conf etc/nss_mdns.config \
+ $chroot_extra_files"
+ for file in $FILES; do
+ [ -d ${file%/*} ] || mkdir -p ${file%/*}
+ if [ -f /${file} ]; then rm -f ${file} && cp /${file} ${file}; fi
+ if [ -f ${file} ]; then chmod a+rX ${file}; fi
+ done
+ # ldaps needs this. debian bug 572841
+ (echo /dev/random; echo /dev/urandom) | cpio -pdL --quiet . 2>/dev/null || true
+ rm -f usr/lib/zoneinfo/localtime
+ mkdir -p usr/lib/zoneinfo
+ ln -sf /etc/localtime usr/lib/zoneinfo/localtime
+
+ LIBLIST=$(for name in gcc_s nss resolv; do
+ for f in /lib/*/lib${name}*.so* /lib/lib${name}*.so*; do
+ if [ -f "$f" ]; then echo ${f#/}; fi;
+ done;
+ done)
+
+ if [ -n "$LIBLIST" ]; then
+ for f in $LIBLIST; do
+ rm -f "$f"
+ done
+ tar cf - -C / $LIBLIST 2>/dev/null |tar xf -
+ fi
+fi