#! /bin/sh # # mhmail.c -- simple mail program # # This code is Copyright (c) 2012, by the authors of nmh. See the # COPYRIGHT file in the root directory of the nmh distribution for # complete copyright information. # # Emulation of compiled mhmail(1) using nmh send(1) or post(8). # Differences from compiled mhmail: # * Supports all send(1) (with -profile) or post(8) (without -profile) options. # * Optionally (with -profile) obeys the users profile, including # AliasFile and send entries. # * Adds -debug option for debugging (sending, not incorporating new mail). # # To do: # * update mhmail man page # * add mhmail test # * integrate into autoconf # * support undocumented mhmail options? usage='Usage: mhmail [addrs ... [switches]] switches are: -b(ody) text -c(c) addrs ... -f(rom) addr -s(ubject) text -pr(ofile) -v(ersion) -h(elp) -d(ebug) and all send(1)/post(8) switches' #### Use autoconf to fill in bindir. nmhbindir=@bindir@ #### Or if configure hasn't been run yet, figure out nmhbindir at runtime. case ${nmhbindir} in @*@) nmhbindir=`dirname $0` ;; esac if [ $# -eq 0 ]; then #### Emulate mhmail for reading mail. exec ${nmhbindir}/inc else #### Go through all the switches so we can build the draft. tolist= body= bodyarg=0 cclist= ccarg=0 havefrom=0 header= otherarg=0 sendpostargs= switcharg=0 use_send=0 debug= for arg in "$@"; do case ${arg} in -*) switcharg=0 esac case ${arg} in #### Send and post wouldn't accept -f -or -s because they'd be #### ambiguous, so no conflicts with them. And they don't have #### -b or -c. For the new switches that compiled mhmail didn't #### have: let -p indicate mhmail -profile, not send -port, and #### let -d indicate mhmail -debug, not send -draft. -b|-bo|-bod|-body) bodyarg=1 ;; -c|-cc) ccarg=1 ;; -d|-de|-deb|-debu|-debug) debug=echo ;; -f|-fr|-fro|-from) header="${header}From:"; otherarg=1; havefrom=1 ;; -h|-he|-hel|-help) printf "%s\n" "${usage}"; exit ;; -p|-pr|-pro|-prof|-profi|-profil|-profile) use_send=1 ;; -s|-su|-sub|-subj|-subje|-subjec|-subject) header="${header}Subject:"; otherarg=1 ;; -v|-ve|-ver|-vers|-versi|-versio|-version) #### Cheat instead of using autoconf and make to fill in the version. ${nmhbindir}/mhpath -v | sed 's/mhpath/mhmail/'; exit ;; -*) sendpostargs="${sendpostargs:+${sendpostargs} }${arg}"; switcharg=1 ;; *) if [ ${ccarg} -eq 1 ]; then cclist="${cclist:+${cclist}, }${arg}"; ccarg=0 elif [ ${bodyarg} -eq 1 ]; then body=${arg}; bodyarg=0 elif [ ${otherarg} -eq 1 ]; then #### Always end ${header} with a newline. header="${header:+${header} }${arg} "; otherarg=0 elif [ ${switcharg} -eq 1 ]; then sendpostargs="${sendpostargs:+${sendpostargs} }${arg}" else #### An address. tolist="${tolist:+${tolist}, }${arg}" fi esac done #### Check for at least one address and -from. if [ "${tolist}"x = x ]; then printf "mhmail: usage: mhmail addrs ... [switches]\n"; exit 1 fi if [ "${havefrom}" = 0 ]; then nmhlibdir=`${nmhbindir}/mhparam libdir` header="${header:+${header} }From: "`${nmhlibdir}/ap -format '%(localmbox)' 0`" " fi #### Set up a tmpfil and trap to remove it. send moves the file to a backup. tmpdir=${MHTMPDIR:-${TMPDIR:-${TMP:-`${nmhbindir}/mhpath +`}}} tmpfil=${tmpdir}/mhmail$$ tmpfilbackup=${tmpdir}/[,#]mhmail$$ trap "rm -f ${tmpfil} ${tmpfilbackup}" EXIT #### Put message header and body in file to supply as draft to #### send/post. ${header} always ends with a newline, so this adds #### the blank that separates the body. umask 077 printf "%s\n" "To: ${tolist} Cc: ${cclist} ${header} ${body}" > ${tmpfil} || exit 1 if [ "${debug}" ]; then printf "%s:\n" `ls -1 ${tmpfil}` cat ${tmpfil} fi if [ "$use_send" -eq 1 ]; then send_or_post="${nmhbindir}/send" else send_or_post="${nmhlibdir:=`${nmhbindir}/mhparam libdir`}/post" fi $debug ${send_or_post} ${tmpfil} ${sendpostargs} fi