106 lines
2.8 KiB
Bash
Executable File
106 lines
2.8 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (C) 2001-2019 Graeme Walker <graeme_walker@users.sourceforge.net>
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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 3 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, see <http://www.gnu.org/licenses/>.
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# ===
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#
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# emailrelay-submit.sh
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#
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# An example script that reads an e-mail message from stdin and deposits in into
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# a sub-directory of the E-MailRelay spool directory depending on the "To:"
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# address. This could be used with an E-MailRelay POP server using the
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# "--pop-by-name" option so that messages get routed appropriately.
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#
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# See also 'man emailrelay-filter-copy'.
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#
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store="__SPOOL_DIR__"
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log="/var/log/emailrelay-submit.out"
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tmp="/tmp/`basename $0.$$.tmp`"
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trap "rm -f \"${tmp}\" 2>/dev/null ; exit 0" 0
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trap "rm -f \"${tmp}\" 2>/dev/null ; exit 1" 1 2 3 13 15
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List()
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{
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# Maps from the given "To:" address to a spool sub-directory -- edit as required
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to_="${1}"
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to_="`echo \"${to_}\" | tr '[A-Z]' '[a-z]'`"
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case "${to_}" in
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me@*) echo me_1 me_2 ;;
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other@*) echo other_1 other_2 ;;
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*) echo postmaster ;;
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esac
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}
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Create()
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{
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# Creates a spool sub-directory if it doesnt already exist
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dir_="${1}"
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if test ! -f "${dir_}"
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then
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echo `basename $0`: creating directory \"${dir_}\"
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mkdir "${dir_}"
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chown root:daemon "${dir_}"
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chmod 775 "${dir_}"
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fi
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}
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Main()
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{
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# take a copy of the content
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cat > ${tmp}
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# parse out the "To:" address
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to="`head -500 \"${tmp}\" | grep '^To:' | perl -ane 'print $F[1];exit'`"
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echo `basename $0`: to \"${to}\"
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# submit the message into the main spool directory
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content="`cat \"${tmp}\" | \"${sbin}emailrelay-submit\" --verbose --spool-dir \"${store}\" \"${to}\"`"
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envelope="`echo \"${content}\" | sed 's/content/envelope/'`"
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if test \! -f "${content}"
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then
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echo `basename $0`: emailrelay-submit failed >&2
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trap "" 0 # leave it in /tmp
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return
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fi
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# link & copy into sub-directories
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copied="0"
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for name in `List "${to}"` ""
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do
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if test "${name}" != ""
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then
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Create "${store}/${name}"
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c="${store}/${name}/`basename \"${content}\"`"
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e="${store}/${name}/`basename \"${envelope}\"`"
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ln "${content}" "${c}" && cp -p "${envelope}" "${e}"
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if test "$?" -ne 0 ; then return ; fi
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copied="1"
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fi
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done
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# delete from the main directory
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if test "${copied}" -eq 1
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then
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rm -f "${envelope}" && rm -f "${content}"
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fi
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}
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Main "$@" >> "${log}" 2>&1
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