From 5736d6963d2ff44dd6c7b509f381b810b708c072 Mon Sep 17 00:00:00 2001 From: Filipp Lepalaan Date: Tue, 19 Mar 2019 14:32:10 +0200 Subject: Initial commit --- .gitattributes | 2 + CHANGELOG | 260 +++++++ LICENSE | 339 +++++++++ README | 244 +++++++ README-BR.txt | 120 +++ TODO | 27 + sendEmail | 2235 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ sendEmail.pl | 1 + 8 files changed, 3228 insertions(+) create mode 100644 .gitattributes create mode 100644 CHANGELOG create mode 100644 LICENSE create mode 100644 README create mode 100644 README-BR.txt create mode 100644 TODO create mode 100755 sendEmail create mode 120000 sendEmail.pl diff --git a/.gitattributes b/.gitattributes new file mode 100644 index 0000000..dfe0770 --- /dev/null +++ b/.gitattributes @@ -0,0 +1,2 @@ +# Auto detect text files and perform LF normalization +* text=auto diff --git a/CHANGELOG b/CHANGELOG new file mode 100644 index 0000000..9deddaf --- /dev/null +++ b/CHANGELOG @@ -0,0 +1,260 @@ +1.56 (Sep 8, 2009) + - Fixed authentication errors caused by invalid base64 encoding. + Thanks for dozens of people who reported this and even submitted + patches! Sorry it took me so long to get this fixed :| + - Updated authentication code so it would try both AUTH PLAIN and + AUTH LOGIN methods before giving up. This should make it even + more robust. + - Detect " + format and it will populate the appropriate fields in the email message. + - All messages are now MIME encoded, even simple text ones. This makes the + program flow much cleaner. + - SMTP Auth is now supported with the -xu and -xp command line parameters. + - You can create multi-line messages on the command line now by putting + a '\n' into the message specified with the -m parameter. + - Always use +0000 for timezone, and get the current time from gmtime() + rather than localtime(). + - Added some color to the help and documentation if the shell is Bash. + - It now aborts with an error message if all file attachments can not be + found before connecting to the remote smtp server. Previously if an + attachment specified couldn't be opened it would simply send the message + without the attachment. + - Allow a single custom email header line to be specified with + -o message-header=HEADER + - Add a -o timeout=SECONDS option so you can set the timeout used for all + network reads and writes. + - Added ability to specify a "Reply-to:" header with -o reply-to=ADDRESS + - Added ability to read message body from a file with -o message-file=FILE + - Added a lot of new documentation available via --help TOPIC. + +1.42 (June 06, 2003) + - It was possible to send bare CR's, so I fixed that now. (Thanks to + Jared Cheney for the bug report) + - Patch from Jared Cheney to add the MIME-Version field to conform to RFC1521 + (made attachments work with more mail clients) + +1.41 (Apr 22, 2003) + - In some cases bare LF's were *still* getting sent, so I think I fixed it + right this time. (Thanks to Buddy Nahay for that bug report and helping + me test the fix!) + - Fixed bare period encoding (it wasn't working in all cases either) + - Changed HTML detection to require the to be at the beginning of + a line. Otherwise any email with "" in the message would get + tagged as being an html message. (Thanks to John Rouillard for that + bug report!) + +1.40 (Dec 04, 2002) + - A patch from Paul Kreiner (J.P van Oyen also reported a similar fix): + "This patch forces the timestamp string to always follow + the HH:MM:SS convention required by the RFCs, even if the + fields could be represented with a single digit. I also + took the liberty of adding a global "timezone" variable at + the top, and fixing a couple of typos." + - A patch from Reidar Johansen that included several fixes, but notably + he included a function called tz_offset that determines what timezone + your in. + - Fixed the signal handlers so they display a nice message + - Added a quit() function + - Added a printmsg() function to handle all printed/logged messages + - Added a simple openLogFile() function + - If running in Win32 it says "CTRL-Z" rather than "CTRL-D" + - Applied fix from Yakov Lerner to fix bare period encoding + - Check that attachments exist and are readable before trying to open them + - Rewrote the connect() function + - Rewrote the close/disconnect function + - Made the -v option work with any number of -v's + - Rewrote the read_server_response() function and renamed it to readServerResponse() + - Did a bunch of little fixes so that perl -w won't complain + - Redid the whole file logging stuff - now the printmsg function takes care of it, + and it's no longer partially broken. + - Added a global alarm variable for setting the alarm timeout, and changed + it's default value to 60 rather than 15. + - Fixed all the exit()'s so that sendEmail should now only exit with an + error status of 0 if it successfully sent the email. + - Added support for HTML email (Thanks again to Reidar Johansen) + - Re-worked the mime-encoding function to work with -w and use strict. + - Removed several die() calls in the file attachment process. + - Put a fix in place that should cleanly replace any bare LF's with CRLF. + +1.33 (Apr 16, 2001) + - Fixed some typo's and problems with the logging option regarding the + printing of attachment(s) names to the log file. + - Fixed several comparisons with null strings. + - Lots of little cleanup things. + +1.32 (Aug 18, 2000) + - Fixed a fairly serious error which in some circumstances would + cause file attachments to be corrupted because the mime padding at + the end of the attachment was not getting set correctly. + +1.31 (Aug 9, 2000) + - Totally rewrote all mime encoding code, it should now be 100% + MIME/Base64 compliant, and it now opens files in binary mode in win32. + This was a much bigger operation than it sounds like ;-) + - Now it should work with LARGE file attachments. In v1.30 it had to + load the whole file into memory before encoding it, now it encodes + line by line so it doesn't use nearly as much memory. + - Now checks the message for bare periods and encodes them. + - Fixed a bug that would allow text to be printed even if -q was + set (and -m was not). + - The MIME delimiter is now somewhat random. + +1.30 (Aug 1, 2000) + - ATTACHMENT SUPPORT ADDED! + - Added CC and BCC support, they are now normal command line options. + - sendEmail should now work easier in Win32. Win32 did not support + the alarm() calls, so I put a check that disables the alarm calls if + $^O matches 'Win'. + - Added autodetection of mime type on attachments. + - Disabled the alarm timer if there are attachments, that way people + on modems can send big attachments without getting their upload killed. + - Added a -q option for quiet mode + - Added a 'Date:' field in the mail headers so messages will + show up in the right order in my mail program ;-) + - Changed the way you specify a port form the command line + now you specify it in the -s option as an + optional :port addendum to the server name. + - Added -h and --help support. + - Updated the help to reflect all changes. + +1.22 (Jul 8, 2000) + - Removed the 'content-type' and 'transfer encoding type' flags in the email + headers, in preparation for a version that will support real attachments. + - When piping data to sendEmail often email would have lines ending with + just \012 and many email servers do not like this. So I now have \012 + replaced with \012\015 in data piped from STDIN. + - When piping data as the message it now displays a message for those manually + typing in an email. It also changes the 15 second alarm to a 60 second alarm + and resets it after every new line. + +1.21 (May 15, 2000) + - Removed the SIG_ALARM call (gave errors on certain non-slackware distributions) + - Added a missing error check that could have allowed sendEmail to say a + message was sent successfully when the server had actually returned an + error message. + + +1.20 (May 10, 2000) + VERSION OVERVIEW: + ----------------- + -v option added + -vv option added + Passing the body of the email via STDIN is now an option + Multiple addresses now allowed + Logging feature added + Terminates itself after 15 seconds to avoid dns hangs etc + Lots of small potential bugs fixed and a lot of code cleanup + + DETAILS: + -------- + - DEBUG CODE/MODE: + - Lots of error messages everywhere + - 2 levels of verbosity accessible via command like parameters + - Lots more information messages triggered by $debug's value + - Fixed a problem which could have caused sendEmail to overlook certain + error messages from the email server. + - All invalid command line parameters are now reported correctly + - Some code comments were written incorrectly, and are now fixed. + - Added handler for HUP and ALARM (both kill sendEmail now) + - Possible problems with certain email addresses fixed. + - Modified date routine to not use a system call. (making it more portable) + - Improved command line parsing (preventing a few possible errors). + - Thanks to Nick Pasich for help with these patches: + - You can now send the body of the email via the -m option + as before or optionally leave the -m out and pass the body + of the email to STDIN. + - Alarm to abort sendEmail if it runs longer than 15 seconds + - Multiple 'To' addresses + - Option to log to a file + - Updated the 'help' page to reflect all changes + + +1.01 + - Fixed a bug in the error/success checking routine which caused sendEmail + to report errors when there were none. + Thanks to Michael Santy for this bug report. + - Added some more documentation in the code. + - Added this CHANGELOG file. + - Release v1.01 + diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..25e216a --- /dev/null +++ b/LICENSE @@ -0,0 +1,339 @@ +GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. 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It is safest +to attach them to the start of each source file to most effectively +convey the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +Also add information on how to contact you by electronic and paper mail. + +If the program is interactive, make it output a short notice like this +when it starts in an interactive mode: + + Gnomovision version 69, Copyright (C) year name of author + Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, the commands you use may +be called something other than `show w' and `show c'; they could even be +mouse-clicks or menu items--whatever suits your program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision' (which makes passes at compilers) written by James Hacker. + + , 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program into +proprietary programs. If your program is a subroutine library, you may +consider it more useful to permit linking proprietary applications with the +library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. \ No newline at end of file diff --git a/README b/README new file mode 100644 index 0000000..a902bb4 --- /dev/null +++ b/README @@ -0,0 +1,244 @@ +sendEmail - Send email from a console near you! +Written by: Brandon Zehm +http://caspian.dotconf.net/ +http://www.tsheets.com/ + + + +------------------ +What is sendEmail? +------------------ + +SendEmail is a lightweight, completly command line based, SMTP email agent. +If you have the need to send email from the command line, this tool is perfect. +It was designed to be used in bash scripts, Perl programs, and web sites, but +it is also quite useful in many other contexts. SendEmail is written in Perl +and is unique in that it requires NO SPECIAL MODULES. It has an intuitive and +flexible set of command-line options, making it very easy to learn and use. + + + + +------------------ +Installation +------------------ + +SendEmail is a perl script/program, and only needs to be copied to a directory +in your path to make it accessible. Most likely the following steps will +be sufficient: + +1) Extract the package + tar -zxvf sendEmail-v1.XX.tar.gz + +2) Copy the sendEmail script to /usr/local/bin + cp -a sendEmail-v1.XX/sendEmail /usr/local/bin + +3) Make sure its executable + chmod +x /usr/local/bin/sendEmail + +4) Run it + sendEmail + or + /usr/local/bin/sendEmail + +NOTES: + * Running sendEmail without any arguments will produce a usage summary. + * SendEmail is written in Perl, so no compilation is needed. + * On a Unix/Linux OS if your perl binary is not installed at /usr/bin/perl + you may need to edit the first line of the script accordingly. + + + + + + +--------------- +Usage Overview +--------------- + +sendEmail-1.56 by Brandon Zehm + +Synopsis: sendEmail -f ADDRESS [options] + + Required: + -f ADDRESS from (sender) email address + * At least one recipient required via -t, -cc, or -bcc + * Message body required via -m, STDIN, or -o message-file=FILE + + Common: + -t ADDRESS [ADDR ...] to email address(es) + -u SUBJECT message subject + -m MESSAGE message body + -s SERVER[:PORT] smtp mail relay, default is localhost:25 + + Optional: + -a FILE [FILE ...] file attachment(s) + -cc ADDRESS [ADDR ...] cc email address(es) + -bcc ADDRESS [ADDR ...] bcc email address(es) + -xu USERNAME username for SMTP authentication + -xp PASSWORD password for SMTP authentication + + Paranormal: + -b BINDADDR[:PORT] local host bind address + -l LOGFILE log to the specified file + -v verbosity, use multiple times for greater effect + -q be quiet (i.e. no STDOUT output) + -o NAME=VALUE advanced options, for details try: --help misc + -o message-content-type= + -o message-file=FILE -o message-format=raw + -o message-header=HEADER -o message-charset=CHARSET + -o reply-to=ADDRESS -o timeout=SECONDS + -o username=USERNAME -o password=PASSWORD + -o tls= -o fqdn=FQDN + + Help: + --help the helpful overview you're reading now + --help addressing explain addressing and related options + --help message explain message body input and related options + --help networking explain -s, -b, etc + --help output explain logging and other output options + --help misc explain -o options, TLS, SMTP auth, and more + + + +--------------- +Examples +--------------- + +Simple Email: + sendEmail -f me@gmail.com \ + -t friend@yahoo.com \ + -s smtp.gmail.com:587 \ + -xu me@gmail.com \ + -xp MY-PASSWORD \ + -u "Test email" \ + -m "Hi buddy, this is a test email." + +Sending to mutiple people: + sendEmail -f myaddress@isp.net \ + -t "Scott Thomas " jason@isp.net renee@isp.net \ + -s relay.isp.net \ + -u "Test email" \ + -m "Hi guys, this is a test email." + +Sending to multiple people using cc and bcc recipients: +(notice the different way I specified multiple To recipients, you can do this for cc and bcc as well) + sendEmail -f myaddress@isp.net \ + -t scott@isp.net;jason@isp.net;renee@isp.net \ + -cc jennifer@isp.net paul@isp.net jeremiah@isp.net \ + -bcc troy@isp.net miranda@isp.net jay@isp.net \ + -s relay.isp.net \ + -u "Test email with cc and bcc recipients" \ + -m "Hi guys, this is a test email." + + +Sending to multiple people with multiple attachments: + sendEmail -f myaddress@isp.net \ + -t jason@isp.net \ + -cc jennifer@isp.net paul@isp.net jeremiah@isp.net \ + -s relay.isp.net \ + -u "Test email with cc and bcc recipients" \ + -m "Hi guys, this is a test email." \ + -a /mnt/storage/document.sxw "/root/My Documents/Work Schedule.kwd" + + +Sending an email with the contents of a file as the message body: + cat /tmp/file.txt | sendEmail -f myaddress@isp.net \ + -t jason@isp.net \ + -s relay.isp.net \ + -u "Test email with contents of file" + + +Sending an email with the contents of a file as the message body (method 2): + sendEmail -f myaddress@isp.net \ + -t jason@isp.net \ + -s relay.isp.net \ + -o message-file=/tmp/file.txt \ + -u "Test email with contents of file" + + +Sending an html email: (make sure your html file has at the beginning) + cat /tmp/file.html | sendEmail -f myaddress@isp.net \ + -t jason@isp.net \ + -s relay.isp.net \ + -u "Test email with html content" + + + + + + + + + +------------ +Contributors +------------ + +Many thanks go to the people who have submitted ideas and patches. +I know I've forgotten to mention everyone who's helped with sendEmail, +but here is a small list. Please let me know if you feel your name +should be here! + + v1.56 + - Several people submitted fixes for the authentication bug. + Thanks to all of you for nagging me to get this release out! + + Simon Matter (v1.55) + - Local bind address patch + + CBL Team and Chris Peay (v1.55) + - Bug reports about sendEmail causing people get blacklisted. + + Jared Cheney (v1.42) + - More bare LF bug fixes and bare period encoding. + - Mime encoding patch + + Buddy Nahay (v1.41) + - Bare LF bug report + + John Rouillard (v1.41) + - html detection bug report + + Reidar Johansen (v1.40) + - Added support for HTML email + - Created a function called tz_offset that determines the local timezone + - Many other fixes and suggestions + + Paul Kreiner (v1.40) + - Submitted a patch that forces the timestamp string to always follow + the HH:MM:SS convention required by the RFCs. + + Al Danial + - Found and reported a logging/typo/attachment issue in v1.32 + + Svante Gerhard + - Found and reported the file attachment/padding issue in v1.31 + + Charles Leeds + - Put together all the original file attachment code and got me + on the path to v1.3x + - Provided the compiled Windows executable version of sendEmail + for a LONG time. I really appreciate your help! + + Nick Pasich + - Passing the email message via STDIN + - Multiple recpients + - Log file option + - Quiet option + - Cc option + - Lots of other suggestions and code + + Richard Duim + - For mime/content-type/attachment suggestions + + Ulisses Montenegro + - First one to report problems with bare LF's on qmail servers + + Michael Santy + - Reported problems with various SMTP servers and helped me fix a few + fairly serious problems. + + Many other people have submitted bug reports and helped to make sendEmail + what it is today, and my best regards go out to all those .. complainers ;-) + diff --git a/README-BR.txt b/README-BR.txt new file mode 100644 index 0000000..ad4c143 --- /dev/null +++ b/README-BR.txt @@ -0,0 +1,120 @@ +sendEmail - Send email from a console near you! +Written by: Brandon Zehm +http://caspian.dotconf.net/ +http://www.tsheets.com/ + +// Language: Portuguese (Brazil) +// Traduzido por: nogueira_jr@ig.com.br + +----------------- +Instru‡äes de uso +----------------- + +sendEmail-1.55 by Brandon Zehm + +Comando: sendEmail -f ENDERE€O [op‡äes] + + Necess rio: + -f ENDERE€O endere‡o de quem est  enviando o email + * Pelo menos um destinat rio, via -t, -cc, ou -bcc + * Corpo da mensagem, via -m, STDIN, ou -o message-file=FILE + + Comum: + -t ENDERE€O [ENDERE€OS...] destinat rio(s) + -u "ASSUNTO" assunto da mensagem + -m "MENSAGEM" corpo da mensagem + -s SERVER[:PORT] servidor smtp, default e' a porta localhost:25 + + Opcional: + -a ARQ [ARQ...] Arquivo(s) anexado + -cc ENDERE€O [ENDERE€O...] cc endere‡os(s) + -bcc ENDERE€O [ENDERE€O...] bcc endere‡o(s) + -xu USUARIO nome do usuario para autentica‡Æo + -xp SENHA senha para autentica‡Æo + + Extras: + -b BINDADDR[:PORT] endere‡o do host local bind + -l ARQLOG fazer LOG no arquivo indicado + -v verbal, use v rias vezes para grandes efeitos + -q silencioso (nÆo ecoa saidas) + -o NOME=VALOR op‡äes avan‡adas, para detalhes use: --help misc + -o message-content-type= + -o message-file=ARQUIVO -o message-format=RAW + -o message-header=HEADER -o message-charset=CHARSET + -o reply-to=ENDERE€O -o timeout=SEGUNDOS + -o username=USUARIO -o password=SENHA + -o tls= -o fqdn=FQDN + + Help: + --help informa‡äes gerais (que voce le agora) + --help addressing detalhes de endere‡os e suas op‡äes + --help message detalhes do corpo da mensagem e suas op‡äes + --help networking detalhes -s, -b, etc + --help output detalhes de saidas e suas op‡äes + --help misc detalhes op‡Æo -o, TLS, autent SMTP auth etc + + + +--------------- +Exemplos +--------------- + +Simples Email: + sendEmail -f myaddress@isp.net \ + -t nogueira_jr@ig.com.br \ + -s relay.isp.net \ + -u "Teste email" \ + -m "Ola, isso e' um teste de email." + +Enviando para v rias pessoas: + sendEmail -f myaddress@isp.net \ + -t "Scott Thomas " nogueira_jr@ig.com.br renee@isp.net \ + -s relay.isp.net \ + -u "Teste email" \ + -m "Ola, isso e' um teste de email." + +Enviando para v rias pessoas e enviando copias cc e bcc: +(existe diferentes formas de enviar para varios destinatarios, usando TO +mas voce pode usar CC e BCC para destinatarios tambem) + sendEmail -f myaddress@isp.net \ + -t scott@isp.net;jason@isp.net;nogueira_jr@ig.com.br \ + -cc jennifer@isp.net paul@isp.net jeremiah@isp.net \ + -bcc troy@isp.net miranda@isp.net jay@isp.net \ + -s relay.isp.net \ + -u "Teste email com copias cc e bcc" \ + -m "Ola, isso e' um teste de email." + + +Enviando para v rias pessoas com v rios anexos: + sendEmail -f myaddress@isp.net \ + -t nogueira_jr@ig.com.br \ + -cc jennifer@isp.net paul@isp.net jeremiah@isp.net \ + -s relay.isp.net \ + -u "Teste email com c¢pias cc e bcc" \ + -m "Ola, isso e' um teste de email." + -a /mnt/storage/document.sxw "/root/My Documents/Work Schedule.kwd" + + +Enviando um email com o conteudo de um arquivo no corpo da mensagem: + cat /tmp/file.txt | sendEmail -f myaddress@isp.net \ + -t nogueira_jr@ig.com.br \ + -s relay.isp.net \ + -u "Ola, isso e' um teste de email com anexo." + + +Enviando um email com o conteudo de um arquivo no corpo da mensagem (m‚todo 2): + sendEmail -f myaddress@isp.net \ + -t nogueira_jr@ig.com.br \ + -s relay.isp.net \ + -o message-file=/tmp/file.txt \ + -u "Ola, isso e' um teste de email com anexo." + + +Enviando um email HTML: (certifique-se que o arquivo tem no in¡cio) + cat /tmp/file.html | sendEmail -f myaddress@isp.net \ + -t nogueira_jr@ig.com.br \ + -s relay.isp.net \ + -u "Ola, isso e' um teste de email com HTML." + + + diff --git a/TODO b/TODO new file mode 100644 index 0000000..ba0604f --- /dev/null +++ b/TODO @@ -0,0 +1,27 @@ +Reported Bugs: + [ ] But it seems that I can't send more than 16 or 17 KB from the STDIN on Windows (2003) with the EXE version. + Even with -o message-file=... and got the same 17 KB message limitation. + +Feature Ideas + [ ] A preferences file with default settings? + [ ] Deliver directly to MX server for domain? + [ ] Command line option requesting read-receipt + X-Confirm-Reading-To: + Disposition-Notification-To: + Return-Receipt-To: + [ ] Add support for CRAM-MD5 authentication + [ ] Add a pair of options to add receipt on delivery and on read of sent emails + [ ] Support for unicode (european) characters in the subject + +More Ideas: + [ ] What about an option to send the same message more than once? + [ ] How about a delay before sending the message? + [ ] What about an internal queue for messages that wern't sent? + Next time it's invoked it could deliver those messages as well. + [ ] Convert inline documentation to standard perldoc format? + [ ] Support for pop before smtp? + +Crazy Ideas (not so sure about): + [ ] Preferences registry settings for the Windows .exe version? + (several people have said No! use a flat file) + diff --git a/sendEmail b/sendEmail new file mode 100755 index 0000000..9f9392e --- /dev/null +++ b/sendEmail @@ -0,0 +1,2235 @@ +#!/usr/bin/perl -w +############################################################################## +## sendEmail +## Written by: Brandon Zehm +## +## License: +## sendEmail (hereafter referred to as "program") is free software; +## you can redistribute it and/or modify it under the terms of the GNU General +## Public License as published by the Free Software Foundation; either version +## 2 of the License, or (at your option) any later version. +## When redistributing modified versions of this source code it is recommended +## that that this disclaimer and the above coder's names are included in the +## modified code. +## +## Disclaimer: +## This program is provided with no warranty of any kind, either expressed or +## implied. It is the responsibility of the user (you) to fully research and +## comprehend the usage of this program. As with any tool, it can be misused, +## either intentionally (you're a vandal) or unintentionally (you're a moron). +## THE AUTHOR(S) IS(ARE) NOT RESPONSIBLE FOR ANYTHING YOU DO WITH THIS PROGRAM +## or anything that happens because of your use (or misuse) of this program, +## including but not limited to anything you, your lawyers, or anyone else +## can dream up. And now, a relevant quote directly from the GPL: +## +## NO WARRANTY +## +## 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY +## FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN +## OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES +## PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED +## OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +## MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS +## TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE +## PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, +## REPAIR OR CORRECTION. +## +############################################################################## +use strict; +use IO::Socket; + + +######################## +## Global Variables ## +######################## + +my %conf = ( + ## General + "programName" => $0, ## The name of this program + "version" => '1.56', ## The version of this program + "authorName" => 'Brandon Zehm', ## Author's Name + "authorEmail" => 'caspian@dotconf.net', ## Author's Email Address + "timezone" => '+0000', ## We always use +0000 for the time zone + "hostname" => 'changeme', ## Used in printmsg() for all output (is updated later in the script). + "debug" => 0, ## Default debug level + "error" => '', ## Error messages will often be stored here + + ## Logging + "stdout" => 1, + "logging" => 0, ## If this is true the printmsg function prints to the log file + "logFile" => '', ## If this is specified (form the command line via -l) this file will be used for logging. + + ## Network + "server" => 'localhost', ## Default SMTP server + "port" => 25, ## Default port + "bindaddr" => '', ## Default local bind address + "alarm" => '', ## Default timeout for connects and reads, this gets set from $opt{'timeout'} + "tls_client" => 0, ## If TLS is supported by the client (us) + "tls_server" => 0, ## If TLS is supported by the remote SMTP server + + ## Email + "delimiter" => "----MIME delimiter for sendEmail-" ## MIME Delimiter + . rand(1000000), ## Add some randomness to the delimiter + "Message-ID" => rand(1000000) . "-sendEmail", ## Message-ID for email header + +); + + +## This hash stores the options passed on the command line via the -o option. +my %opt = ( + ## Addressing + "reply-to" => '', ## Reply-To field + + ## Message + "message-file" => '', ## File to read message body from + "message-header" => '', ## Additional email header line(s) + "message-format" => 'normal', ## If "raw" is specified the message is sent unmodified + "message-charset" => 'iso-8859-1', ## Message character-set + "message-content-type" => 'auto', ## auto, text, html or an actual string to put into the content-type header. + + ## Network + "timeout" => 60, ## Default timeout for connects and reads, this is copied to $conf{'alarm'} later. + "fqdn" => 'changeme', ## FQDN of this machine, used during SMTP communication (is updated later in the script). + + ## eSMTP + "username" => '', ## Username used in SMTP Auth + "password" => '', ## Password used in SMTP Auth + "tls" => 'auto', ## Enable or disable TLS support. Options: auto, yes, no + +); + +## More variables used later in the program +my $SERVER; +my $CRLF = "\015\012"; +my $subject = ''; +my $header = ''; +my $message = ''; +my $from = ''; +my @to = (); +my @cc = (); +my @bcc = (); +my @attachments = (); +my @attachments_names = (); + +## For printing colors to the console +my ${colorRed} = "\033[31;1m"; +my ${colorGreen} = "\033[32;1m"; +my ${colorCyan} = "\033[36;1m"; +my ${colorWhite} = "\033[37;1m"; +my ${colorNormal} = "\033[m"; +my ${colorBold} = "\033[1m"; +my ${colorNoBold} = "\033[0m"; + +## Don't use shell escape codes on Windows systems +if ($^O =~ /win/i) { + ${colorRed} = ${colorGreen} = ${colorCyan} = ${colorWhite} = ${colorNormal} = ${colorBold} = ${colorNoBold} = ""; +} + +## Load IO::Socket::SSL if it's available +eval { require IO::Socket::SSL; }; +if ($@) { $conf{'tls_client'} = 0; } +else { $conf{'tls_client'} = 1; } + + + + + + +############################# +## ## +## FUNCTIONS ## +## ## +############################# + + + + + +############################################################################################### +## Function: initialize () +## +## Does all the script startup jibberish. +## +############################################################################################### +sub initialize { + + ## Set STDOUT to flush immediatly after each print + $| = 1; + + ## Intercept signals + $SIG{'QUIT'} = sub { quit("EXITING: Received SIG$_[0]", 1); }; + $SIG{'INT'} = sub { quit("EXITING: Received SIG$_[0]", 1); }; + $SIG{'KILL'} = sub { quit("EXITING: Received SIG$_[0]", 1); }; + $SIG{'TERM'} = sub { quit("EXITING: Received SIG$_[0]", 1); }; + + ## ALARM and HUP signals are not supported in Win32 + unless ($^O =~ /win/i) { + $SIG{'HUP'} = sub { quit("EXITING: Received SIG$_[0]", 1); }; + $SIG{'ALRM'} = sub { quit("EXITING: Received SIG$_[0]", 1); }; + } + + ## Fixup $conf{'programName'} + $conf{'programName'} =~ s/(.)*[\/,\\]//; + $0 = $conf{'programName'} . " " . join(" ", @ARGV); + + ## Fixup $conf{'hostname'} and $opt{'fqdn'} + if ($opt{'fqdn'} eq 'changeme') { $opt{'fqdn'} = get_hostname(1); } + if ($conf{'hostname'} eq 'changeme') { $conf{'hostname'} = $opt{'fqdn'}; $conf{'hostname'} =~ s/\..*//; } + + return(1); +} + + + + + + + + + + + + + + + +############################################################################################### +## Function: processCommandLine () +## +## Processes command line storing important data in global vars (usually %conf) +## +############################################################################################### +sub processCommandLine { + + + ############################ + ## Process command line ## + ############################ + + my @ARGS = @ARGV; ## This is so later we can re-parse the command line args later if we need to + my $numargv = @ARGS; + help() unless ($numargv); + my $counter = 0; + + for ($counter = 0; $counter < $numargv; $counter++) { + + if ($ARGS[$counter] =~ /^-h$/i) { ## Help ## + help(); + } + + elsif ($ARGS[$counter] eq "") { ## Ignore null arguments + ## Do nothing + } + + elsif ($ARGS[$counter] =~ /^--help/) { ## Topical Help ## + $counter++; + if ($ARGS[$counter] && $ARGS[$counter] !~ /^-/) { + helpTopic($ARGS[$counter]); + } + else { + help(); + } + } + + elsif ($ARGS[$counter] =~ /^-o$/i) { ## Options specified with -o ## + $counter++; + ## Loop through each option passed after the -o + while ($ARGS[$counter] && $ARGS[$counter] !~ /^-/) { + + if ($ARGS[$counter] !~ /(\S+)=(\S.*)/) { + printmsg("WARNING => Name/Value pair [$ARGS[$counter]] is not properly formatted", 0); + printmsg("WARNING => Arguments proceeding -o should be in the form of \"name=value\"", 0); + } + else { + if (exists($opt{$1})) { + if ($1 eq 'message-header') { + $opt{$1} .= $2 . $CRLF; + } + else { + $opt{$1} = $2; + } + printmsg("DEBUG => Assigned \$opt{} key/value: $1 => $2", 3); + } + else { + printmsg("WARNING => Name/Value pair [$ARGS[$counter]] will be ignored: unknown key [$1]", 0); + printmsg("HINT => Try the --help option to find valid command line arguments", 1); + } + } + $counter++; + } $counter--; + } + + elsif ($ARGS[$counter] =~ /^-f$/) { ## From ## + $counter++; + if ($ARGS[$counter] && $ARGS[$counter] !~ /^-/) { $from = $ARGS[$counter]; } + else { printmsg("WARNING => The argument after -f was not an email address!", 0); $counter--; } + } + + elsif ($ARGS[$counter] =~ /^-t$/) { ## To ## + $counter++; + while ($ARGS[$counter] && ($ARGS[$counter] !~ /^-/)) { + if ($ARGS[$counter] =~ /[;,]/) { + push (@to, split(/[;,]/, $ARGS[$counter])); + } + else { + push (@to,$ARGS[$counter]); + } + $counter++; + } $counter--; + } + + elsif ($ARGS[$counter] =~ /^-cc$/) { ## Cc ## + $counter++; + while ($ARGS[$counter] && ($ARGS[$counter] !~ /^-/)) { + if ($ARGS[$counter] =~ /[;,]/) { + push (@cc, split(/[;,]/, $ARGS[$counter])); + } + else { + push (@cc,$ARGS[$counter]); + } + $counter++; + } $counter--; + } + + elsif ($ARGS[$counter] =~ /^-bcc$/) { ## Bcc ## + $counter++; + while ($ARGS[$counter] && ($ARGS[$counter] !~ /^-/)) { + if ($ARGS[$counter] =~ /[;,]/) { + push (@bcc, split(/[;,]/, $ARGS[$counter])); + } + else { + push (@bcc,$ARGS[$counter]); + } + $counter++; + } $counter--; + } + + elsif ($ARGS[$counter] =~ /^-m$/) { ## Message ## + $counter++; + $message = ""; + while ($ARGS[$counter] && $ARGS[$counter] !~ /^-/) { + if ($message) { $message .= " "; } + $message .= $ARGS[$counter]; + $counter++; + } $counter--; + + ## Replace '\n' with $CRLF. + ## This allows newlines with messages sent on the command line + $message =~ s/\\n/$CRLF/g; + } + + elsif ($ARGS[$counter] =~ /^-u$/) { ## Subject ## + $counter++; + $subject = ""; + while ($ARGS[$counter] && $ARGS[$counter] !~ /^-/) { + if ($subject) { $subject .= " "; } + $subject .= $ARGS[$counter]; + $counter++; + } $counter--; + } + + elsif ($ARGS[$counter] =~ /^-s$/) { ## Server ## + $counter++; + if ($ARGS[$counter] && $ARGS[$counter] !~ /^-/) { + $conf{'server'} = $ARGS[$counter]; + if ($conf{'server'} =~ /:/) { ## Port ## + ($conf{'server'},$conf{'port'}) = split(":",$conf{'server'}); + } + } + else { printmsg("WARNING - The argument after -s was not the server!", 0); $counter--; } + } + + elsif ($ARGS[$counter] =~ /^-b$/) { ## Bind Address ## + $counter++; + if ($ARGS[$counter] && $ARGS[$counter] !~ /^-/) { + $conf{'bindaddr'} = $ARGS[$counter]; + } + else { printmsg("WARNING - The argument after -b was not the bindaddr!", 0); $counter--; } + } + + elsif ($ARGS[$counter] =~ /^-a$/) { ## Attachments ## + $counter++; + while ($ARGS[$counter] && ($ARGS[$counter] !~ /^-/)) { + push (@attachments,$ARGS[$counter]); + $counter++; + } $counter--; + } + + elsif ($ARGS[$counter] =~ /^-xu$/) { ## AuthSMTP Username ## + $counter++; + if ($ARGS[$counter] && $ARGS[$counter] !~ /^-/) { + $opt{'username'} = $ARGS[$counter]; + } + else { + printmsg("WARNING => The argument after -xu was not valid username!", 0); + $counter--; + } + } + + elsif ($ARGS[$counter] =~ /^-xp$/) { ## AuthSMTP Password ## + $counter++; + if ($ARGS[$counter] && $ARGS[$counter] !~ /^-/) { + $opt{'password'} = $ARGS[$counter]; + } + else { + printmsg("WARNING => The argument after -xp was not valid password!", 0); + $counter--; + } + } + + elsif ($ARGS[$counter] =~ /^-l$/) { ## Logging ## + $counter++; + $conf{'logging'} = 1; + if ($ARGS[$counter] && $ARGS[$counter] !~ /^-/) { $conf{'logFile'} = $ARGS[$counter]; } + else { printmsg("WARNING - The argument after -l was not the log file!", 0); $counter--; } + } + + elsif ($ARGS[$counter] =~ s/^-v+//i) { ## Verbosity ## + my $tmp = (length($&) - 1); + $conf{'debug'} += $tmp; + } + + elsif ($ARGS[$counter] =~ /^-q$/) { ## Quiet ## + $conf{'stdout'} = 0; + } + + else { + printmsg("Error: \"$ARGS[$counter]\" is not a recognized option!", 0); + help(); + } + + } + + + + + + + + + ################################################### + ## Verify required variables are set correctly ## + ################################################### + + ## Make sure we have something in $conf{hostname} and $opt{fqdn} + if ($opt{'fqdn'} =~ /\./) { + $conf{'hostname'} = $opt{'fqdn'}; + $conf{'hostname'} =~ s/\..*//; + } + + if (!$conf{'server'}) { $conf{'server'} = 'localhost'; } + if (!$conf{'port'}) { $conf{'port'} = 25; } + if (!$from) { + quit("ERROR => You must specify a 'from' field! Try --help.", 1); + } + if ( ((scalar(@to)) + (scalar(@cc)) + (scalar(@bcc))) <= 0) { + quit("ERROR => You must specify at least one recipient via -t, -cc, or -bcc", 1); + } + + ## Make sure email addresses look OK. + foreach my $addr (@to, @cc, @bcc, $from, $opt{'reply-to'}) { + if ($addr) { + if (!returnAddressParts($addr)) { + printmsg("ERROR => Can't use improperly formatted email address: $addr", 0); + printmsg("HINT => Try viewing the extended help on addressing with \"--help addressing\"", 1); + quit("", 1); + } + } + } + + ## Make sure all attachments exist. + foreach my $file (@attachments) { + if ( (! -f $file) or (! -r $file) ) { + printmsg("ERROR => The attachment [$file] doesn't exist!", 0); + printmsg("HINT => Try specifying the full path to the file or reading extended help with \"--help message\"", 1); + quit("", 1); + } + } + + if ($conf{'logging'} and (!$conf{'logFile'})) { + quit("ERROR => You used -l to enable logging but didn't specify a log file!", 1); + } + + if ( $opt{'username'} ) { + if (!$opt{'password'}) { + ## Prompt for a password since one wasn't specified with the -xp option. + $SIG{'ALRM'} = sub { quit("ERROR => Timeout waiting for password inpupt", 1); }; + alarm(60) if ($^O !~ /win/i); ## alarm() doesn't work in win32 + print "Password: "; + $opt{'password'} = ; chomp $opt{'password'}; + if (!$opt{'password'}) { + quit("ERROR => A username for SMTP authentication was specified, but no password!", 1); + } + } + } + + ## Validate the TLS setting + $opt{'tls'} = lc($opt{'tls'}); + if ($opt{'tls'} !~ /^(auto|yes|no)$/) { + quit("ERROR => Invalid TLS setting ($opt{'tls'}). Must be one of auto, yes, or no.", 1); + } + + ## If TLS is set to "yes", make sure sendEmail loaded the libraries needed. + if ($opt{'tls'} eq 'yes' and $conf{'tls_client'} == 0) { + quit("ERROR => No TLS support! SendEmail can't load required libraries. (try installing Net::SSLeay and IO::Socket::SSL)", 1); + } + + ## Return 0 errors + return(0); +} + + + + + + + + + + + + + + + + +## getline($socketRef) +sub getline { + my ($socketRef) = @_; + local ($/) = "\r\n"; + return $$socketRef->getline; +} + + + + +## Receive a (multiline?) SMTP response from ($socketRef) +sub getResponse { + my ($socketRef) = @_; + my ($tmp, $reply); + local ($/) = "\r\n"; + return undef unless defined($tmp = getline($socketRef)); + return("getResponse() socket is not open") unless ($$socketRef->opened); + ## Keep reading lines if it's a multi-line response + while ($tmp =~ /^\d{3}-/o) { + $reply .= $tmp; + return undef unless defined($tmp = getline($socketRef)); + } + $reply .= $tmp; + $reply =~ s/\r?\n$//o; + return $reply; +} + + + + +############################################################################################### +## Function: SMTPchat ( [string $command] ) +## +## Description: Sends $command to the SMTP server (on SERVER) and awaits a successful +## reply form the server. If the server returns an error, or does not reply +## within $conf{'alarm'} seconds an error is generated. +## NOTE: $command is optional, if no command is specified then nothing will +## be sent to the server, but a valid response is still required from the server. +## +## Input: [$command] A (optional) valid SMTP command (ex. "HELO") +## +## +## Output: Returns zero on success, or non-zero on error. +## Error messages will be stored in $conf{'error'} +## A copy of the last SMTP response is stored in the global variable +## $conf{'SMTPchat_response'} +## +## +## Example: SMTPchat ("HELO mail.isp.net"); +############################################################################################### +sub SMTPchat { + my ($command) = @_; + + printmsg("INFO => Sending: \t$command", 1) if ($command); + + ## Send our command + print $SERVER "$command$CRLF" if ($command); + + ## Read a response from the server + $SIG{'ALRM'} = sub { $conf{'error'} = "alarm"; $SERVER->close(); }; + alarm($conf{'alarm'}) if ($^O !~ /win/i); ## alarm() doesn't work in win32; + my $result = $conf{'SMTPchat_response'} = getResponse(\$SERVER); + alarm(0) if ($^O !~ /win/i); ## alarm() doesn't work in win32; + + ## Generate an alert if we timed out + if ($conf{'error'} eq "alarm") { + $conf{'error'} = "ERROR => Timeout while reading from $conf{'server'}:$conf{'port'} There was no response after $conf{'alarm'} seconds."; + return(1); + } + + ## Make sure the server actually responded + if (!$result) { + $conf{'error'} = "ERROR => $conf{'server'}:$conf{'port'} returned a zero byte response to our query."; + return(2); + } + + ## Validate the response + if (evalSMTPresponse($result)) { + ## conf{'error'} will already be set here + return(2); + } + + ## Print the success messsage + printmsg($conf{'error'}, 1); + + ## Return Success + return(0); +} + + + + + + + + + + + + +############################################################################################### +## Function: evalSMTPresponse (string $message ) +## +## Description: Searches $message for either an SMTP success or error code, and returns +## 0 on success, and the actual error code on error. +## +## +## Input: $message Data received from a SMTP server (ex. "220 +## +## +## Output: Returns zero on success, or non-zero on error. +## Error messages will be stored in $conf{'error'} +## +## +## Example: SMTPchat ("HELO mail.isp.net"); +############################################################################################### +sub evalSMTPresponse { + my ($message) = @_; + + ## Validate input + if (!$message) { + $conf{'error'} = "ERROR => No message was passed to evalSMTPresponse(). What happened?"; + return(1) + } + + printmsg("DEBUG => evalSMTPresponse() - Checking for SMTP success or error status in the message: $message ", 3); + + ## Look for a SMTP success code + if ($message =~ /^([23]\d\d)/) { + printmsg("DEBUG => evalSMTPresponse() - Found SMTP success code: $1", 2); + $conf{'error'} = "SUCCESS => Received: \t$message"; + return(0); + } + + ## Look for a SMTP error code + if ($message =~ /^([45]\d\d)/) { + printmsg("DEBUG => evalSMTPresponse() - Found SMTP error code: $1", 2); + $conf{'error'} = "ERROR => Received: \t$message"; + return($1); + } + + ## If no SMTP codes were found return an error of 1 + $conf{'error'} = "ERROR => Received a message with no success or error code. The message received was: $message"; + return(2); + +} + + + + + + + + + + +######################################################### +# SUB: &return_month(0,1,etc) +# returns the name of the month that corrosponds +# with the number. returns 0 on error. +######################################################### +sub return_month { + my $x = $_[0]; + if ($x == 0) { return 'Jan'; } + if ($x == 1) { return 'Feb'; } + if ($x == 2) { return 'Mar'; } + if ($x == 3) { return 'Apr'; } + if ($x == 4) { return 'May'; } + if ($x == 5) { return 'Jun'; } + if ($x == 6) { return 'Jul'; } + if ($x == 7) { return 'Aug'; } + if ($x == 8) { return 'Sep'; } + if ($x == 9) { return 'Oct'; } + if ($x == 10) { return 'Nov'; } + if ($x == 11) { return 'Dec'; } + return (0); +} + + + + + + + + + + + + + + + + +######################################################### +# SUB: &return_day(0,1,etc) +# returns the name of the day that corrosponds +# with the number. returns 0 on error. +######################################################### +sub return_day { + my $x = $_[0]; + if ($x == 0) { return 'Sun'; } + if ($x == 1) { return 'Mon'; } + if ($x == 2) { return 'Tue'; } + if ($x == 3) { return 'Wed'; } + if ($x == 4) { return 'Thu'; } + if ($x == 5) { return 'Fri'; } + if ($x == 6) { return 'Sat'; } + return (0); +} + + + + + + + + + + + + + + + + +############################################################################################### +## Function: returnAddressParts(string $address) +## +## Description: Returns a two element array containing the "Name" and "Address" parts of +## an email address. +## +## Example: "Brandon Zehm " +## would return: ("Brandon Zehm", "caspian@dotconf.net"); +## +## "caspian@dotconf.net" +## would return: ("caspian@dotconf.net", "caspian@dotconf.net") +############################################################################################### +sub returnAddressParts { + my $input = $_[0]; + my $name = ""; + my $address = ""; + + ## Make sure to fail if it looks totally invalid + if ($input !~ /(\S+\@\S+)/) { + $conf{'error'} = "ERROR => The address [$input] doesn't look like a valid email address, ignoring it"; + return(undef()); + } + + ## Check 1, should find addresses like: "Brandon Zehm " + elsif ($input =~ /^\s*(\S(.*\S)?)\s*<(\S+\@\S+)>/o) { + ($name, $address) = ($1, $3); + } + + ## Otherwise if that failed, just get the address: + elsif ($input =~ /<(\S+\@\S+)>/o) { + $name = $address = $1; + } + + ## Or maybe it was formatted this way: caspian@dotconf.net + elsif ($input =~ /(\S+\@\S+)/o) { + $name = $address = $1; + } + + ## Something stupid happened, just return an error. + unless ($name and $address) { + printmsg("ERROR => Couldn't parse the address: $input", 0); + printmsg("HINT => If you think this should work, consider reporting this as a bug to $conf{'authorEmail'}", 1); + return(undef()); + } + + ## Make sure there aren't invalid characters in the address, and return it. + my $ctrl = '\000-\037'; + my $nonASCII = '\x80-\xff'; + if ($address =~ /[<> ,;:"'\[\]\\$ctrl$nonASCII]/) { + printmsg("WARNING => The address [$address] seems to contain invalid characters: continuing anyway", 0); + } + return($name, $address); +} + + + + + + + + + + + + + + + + +############################################################################################### +## Function: base64_encode(string $data, bool $chunk) +## +## Description: Returns $data as a base64 encoded string. +## If $chunk is true, the encoded data is returned in 76 character long lines +## with the final \CR\LF removed. +## +## Note: This is only used from the smtp auth section of code. +## At some point it would be nice to merge the code that encodes attachments and this. +############################################################################################### +sub base64_encode { + my $data = $_[0]; + my $chunk = $_[1]; + my $tmp = ''; + my $base64 = ''; + my $CRLF = "\r\n"; + + ################################### + ## Convert binary data to base64 ## + ################################### + while ($data =~ s/(.{45})//s) { ## Get 45 bytes from the binary string + $tmp = substr(pack('u', $&), 1); ## Convert the binary to uuencoded text + chop($tmp); + $tmp =~ tr|` -_|AA-Za-z0-9+/|; ## Translate from uuencode to base64 + $base64 .= $tmp; + } + + ########################## + ## Encode the leftovers ## + ########################## + my $padding = ""; + if ( ($data) and (length($data) > 0) ) { + $padding = (3 - length($data) % 3) % 3; ## Set flag if binary data isn't divisible by 3 + $tmp = substr(pack('u', $data), 1); ## Convert the binary to uuencoded text + chop($tmp); + $tmp =~ tr|` -_|AA-Za-z0-9+/|; ## Translate from uuencode to base64 + $base64 .= $tmp; + } + + ############################ + ## Fix padding at the end ## + ############################ + $data = ''; + $base64 =~ s/.{$padding}$/'=' x $padding/e if $padding; ## Fix the end padding if flag (from above) is set + if ($chunk) { + while ($base64 =~ s/(.{1,76})//s) { ## Put $CRLF after each 76 characters + $data .= "$1$CRLF"; + } + } + else { + $data = $base64; + } + + ## Remove any trailing CRLF's + $data =~ s/(\r|\n)*$//s; + return($data); +} + + + + + + + + + +######################################################### +# SUB: send_attachment("/path/filename") +# Sends the mime headers and base64 encoded file +# to the email server. +######################################################### +sub send_attachment { + my ($filename) = @_; ## Get filename passed + my (@fields, $y, $filename_name, $encoding, ## Local variables + @attachlines, $content_type); + my $bin = 1; + + @fields = split(/\/|\\/, $filename); ## Get the actual filename without the path + $filename_name = pop(@fields); + push @attachments_names, $filename_name; ## FIXME: This is only used later for putting in the log file + + ########################## + ## Autodetect Mime Type ## + ########################## + + @fields = split(/\./, $filename_name); + $encoding = $fields[$#fields]; + + if ($encoding =~ /txt|text|log|conf|^c$|cpp|^h$|inc|m3u/i) { $content_type = 'text/plain'; } + elsif ($encoding =~ /html|htm|shtml|shtm|asp|php|cfm/i) { $content_type = 'text/html'; } + elsif ($encoding =~ /sh$/i) { $content_type = 'application/x-sh'; } + elsif ($encoding =~ /tcl/i) { $content_type = 'application/x-tcl'; } + elsif ($encoding =~ /pl$/i) { $content_type = 'application/x-perl'; } + elsif ($encoding =~ /js$/i) { $content_type = 'application/x-javascript'; } + elsif ($encoding =~ /man/i) { $content_type = 'application/x-troff-man'; } + elsif ($encoding =~ /gif/i) { $content_type = 'image/gif'; } + elsif ($encoding =~ /jpg|jpeg|jpe|jfif|pjpeg|pjp/i) { $content_type = 'image/jpeg'; } + elsif ($encoding =~ /tif|tiff/i) { $content_type = 'image/tiff'; } + elsif ($encoding =~ /xpm/i) { $content_type = 'image/x-xpixmap'; } + elsif ($encoding =~ /bmp/i) { $content_type = 'image/x-MS-bmp'; } + elsif ($encoding =~ /pcd/i) { $content_type = 'image/x-photo-cd'; } + elsif ($encoding =~ /png/i) { $content_type = 'image/png'; } + elsif ($encoding =~ /aif|aiff/i) { $content_type = 'audio/x-aiff'; } + elsif ($encoding =~ /wav/i) { $content_type = 'audio/x-wav'; } + elsif ($encoding =~ /mp2|mp3|mpa/i) { $content_type = 'audio/x-mpeg'; } + elsif ($encoding =~ /ra$|ram/i) { $content_type = 'audio/x-pn-realaudio'; } + elsif ($encoding =~ /mpeg|mpg/i) { $content_type = 'video/mpeg'; } + elsif ($encoding =~ /mov|qt$/i) { $content_type = 'video/quicktime'; } + elsif ($encoding =~ /avi/i) { $content_type = 'video/x-msvideo'; } + elsif ($encoding =~ /zip/i) { $content_type = 'application/x-zip-compressed'; } + elsif ($encoding =~ /tar/i) { $content_type = 'application/x-tar'; } + elsif ($encoding =~ /jar/i) { $content_type = 'application/java-archive'; } + elsif ($encoding =~ /exe|bin/i) { $content_type = 'application/octet-stream'; } + elsif ($encoding =~ /ppt|pot|ppa|pps|pwz/i) { $content_type = 'application/vnd.ms-powerpoint'; } + elsif ($encoding =~ /mdb|mda|mde/i) { $content_type = 'application/vnd.ms-access'; } + elsif ($encoding =~ /xls|xlt|xlm|xld|xla|xlc|xlw|xll/i) { $content_type = 'application/vnd.ms-excel'; } + elsif ($encoding =~ /doc|dot/i) { $content_type = 'application/msword'; } + elsif ($encoding =~ /rtf/i) { $content_type = 'application/rtf'; } + elsif ($encoding =~ /pdf/i) { $content_type = 'application/pdf'; } + elsif ($encoding =~ /tex/i) { $content_type = 'application/x-tex'; } + elsif ($encoding =~ /latex/i) { $content_type = 'application/x-latex'; } + elsif ($encoding =~ /vcf/i) { $content_type = 'application/x-vcard'; } + else { $content_type = 'application/octet-stream'; } + + + ############################ + ## Process the attachment ## + ############################ + + ##################################### + ## Generate and print MIME headers ## + ##################################### + + $y = "$CRLF--$conf{'delimiter'}$CRLF"; + $y .= "Content-Type: $content_type;$CRLF"; + $y .= " name=\"$filename_name\"$CRLF"; + $y .= "Content-Transfer-Encoding: base64$CRLF"; + $y .= "Content-Disposition: attachment; filename=\"$filename_name\"$CRLF"; + $y .= "$CRLF"; + print $SERVER $y; + + + ########################################################### + ## Convert the file to base64 and print it to the server ## + ########################################################### + + open (FILETOATTACH, $filename) || do { + printmsg("ERROR => Opening the file [$filename] for attachment failed with the error: $!", 0); + return(1); + }; + binmode(FILETOATTACH); ## Hack to make Win32 work + + my $res = ""; + my $tmp = ""; + my $base64 = ""; + while () { ## Read a line from the (binary) file + $res .= $_; + + ################################### + ## Convert binary data to base64 ## + ################################### + while ($res =~ s/(.{45})//s) { ## Get 45 bytes from the binary string + $tmp = substr(pack('u', $&), 1); ## Convert the binary to uuencoded text + chop($tmp); + $tmp =~ tr|` -_|AA-Za-z0-9+/|; ## Translate from uuencode to base64 + $base64 .= $tmp; + } + + ################################ + ## Print chunks to the server ## + ################################ + while ($base64 =~ s/(.{76})//s) { + print $SERVER "$1$CRLF"; + } + + } + + ################################### + ## Encode and send the leftovers ## + ################################### + my $padding = ""; + if ( ($res) and (length($res) >= 1) ) { + $padding = (3 - length($res) % 3) % 3; ## Set flag if binary data isn't divisible by 3 + $res = substr(pack('u', $res), 1); ## Convert the binary to uuencoded text + chop($res); + $res =~ tr|` -_|AA-Za-z0-9+/|; ## Translate from uuencode to base64 + } + + ############################ + ## Fix padding at the end ## + ############################ + $res = $base64 . $res; ## Get left overs from above + $res =~ s/.{$padding}$/'=' x $padding/e if $padding; ## Fix the end padding if flag (from above) is set + if ($res) { + while ($res =~ s/(.{1,76})//s) { ## Send it to the email server. + print $SERVER "$1$CRLF"; + } + } + + close (FILETOATTACH) || do { + printmsg("ERROR - Closing the filehandle for file [$filename] failed with the error: $!", 0); + return(2); + }; + + ## Return 0 errors + return(0); + +} + + + + + + + + + +############################################################################################### +## Function: $string = get_hostname (boot $fqdn) +## +## Description: Tries really hard to returns the short (or FQDN) hostname of the current +## system. Uses techniques and code from the Sys-Hostname module. +## +## Input: $fqdn A true value (1) will cause this function to return a FQDN hostname +## rather than a short hostname. +## +## Output: Returns a string +############################################################################################### +sub get_hostname { + ## Assign incoming parameters to variables + my ( $fqdn ) = @_; + my $hostname = ""; + + ## STEP 1: Get short hostname + + ## Load Sys::Hostname if it's available + eval { require Sys::Hostname; }; + unless ($@) { + $hostname = Sys::Hostname::hostname(); + } + + ## If that didn't get us a hostname, try a few other things + else { + ## Windows systems + if ($^O !~ /win/i) { + if ($ENV{'COMPUTERNAME'}) { $hostname = $ENV{'COMPUTERNAME'}; } + if (!$hostname) { $hostname = gethostbyname('localhost'); } + if (!$hostname) { chomp($hostname = `hostname 2> NUL`) }; + } + + ## Unix systems + else { + local $ENV{PATH} = '/usr/bin:/bin:/usr/sbin:/sbin'; ## Paranoia + + ## Try the environment first (Help! What other variables could/should I be checking here?) + if ($ENV{'HOSTNAME'}) { $hostname = $ENV{'HOSTNAME'}; } + + ## Try the hostname command + eval { local $SIG{__DIE__}; local $SIG{CHLD}; $hostname = `hostname 2>/dev/null`; chomp($hostname); } || + + ## Try POSIX::uname(), which strictly can't be expected to be correct + eval { local $SIG{__DIE__}; require POSIX; $hostname = (POSIX::uname())[1]; } || + + ## Try the uname command + eval { local $SIG{__DIE__}; $hostname = `uname -n 2>/dev/null`; chomp($hostname); }; + + } + + ## If we can't find anything else, return "" + if (!$hostname) { + print "WARNING => No hostname could be determined, please specify one with -o fqdn=FQDN option!\n"; + return("unknown"); + } + } + + ## Return the short hostname + unless ($fqdn) { + $hostname =~ s/\..*//; + return(lc($hostname)); + } + + ## STEP 2: Determine the FQDN + + ## First, if we already have one return it. + if ($hostname =~ /\w\.\w/) { return(lc($hostname)); } + + ## Next try using + eval { $fqdn = (gethostbyname($hostname))[0]; }; + if ($fqdn) { return(lc($fqdn)); } + return(lc($hostname)); +} + + + + + + + + +############################################################################################### +## Function: printmsg (string $message, int $level) +## +## Description: Handles all messages - printing them to the screen only if the messages +## $level is >= the global debug level. If $conf{'logFile'} is defined it +## will also log the message to that file. +## +## Input: $message A message to be printed, logged, etc. +## $level The debug level of the message. If +## not defined 0 will be assumed. 0 is +## considered a normal message, 1 and +## higher is considered a debug message. +## +## Output: Prints to STDOUT +## +## Assumptions: $conf{'hostname'} should be the name of the computer we're running on. +## $conf{'stdout'} should be set to 1 if you want to print to stdout +## $conf{'logFile'} should be a full path to a log file if you want that +## $conf{'debug'} should be an integer between 0 and 10. +## +## Example: printmsg("WARNING: We believe in generic error messages... NOT!", 0); +############################################################################################### +sub printmsg { + ## Assign incoming parameters to variables + my ( $message, $level ) = @_; + + ## Make sure input is sane + $level = 0 if (!defined($level)); + $message =~ s/\s+$//sgo; + $message =~ s/\r?\n/, /sgo; + + ## Continue only if the debug level of the program is >= message debug level. + if ($conf{'debug'} >= $level) { + + ## Get the date in the format: Dec 3 11:14:04 + my ($sec, $min, $hour, $mday, $mon) = localtime(); + $mon = ('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec')[$mon]; + my $date = sprintf("%s %02d %02d:%02d:%02d", $mon, $mday, $hour, $min, $sec); + + ## Print to STDOUT always if debugging is enabled, or if conf{stdout} is true. + if ( ($conf{'debug'} >= 1) or ($conf{'stdout'} == 1) ) { + print "$date $conf{'hostname'} $conf{'programName'}\[$$\]: $message\n"; + } + + ## Print to the log file if $conf{'logging'} is true + if ($conf{'logFile'}) { + if (openLogFile($conf{'logFile'})) { $conf{'logFile'} = ""; printmsg("ERROR => Opening the file [$conf{'logFile'}] for appending returned the error: $!", 1); } + print LOGFILE "$date $conf{'hostname'} $conf{'programName'}\[$$\]: $message\n"; + } + + } + + ## Return 0 errors + return(0); +} + + + + + + + + + + + + +############################################################################################### +## FUNCTION: +## openLogFile ( $filename ) +## +## +## DESCRIPTION: +## Opens the file $filename and attaches it to the filehandle "LOGFILE". Returns 0 on success +## and non-zero on failure. Error codes are listed below, and the error message gets set in +## global variable $!. +## +## +## Example: +## openFile ("/var/log/sendEmail.log"); +## +############################################################################################### +sub openLogFile { + ## Get the incoming filename + my $filename = $_[0]; + + ## Make sure our file exists, and if the file doesn't exist then create it + if ( ! -f $filename ) { + print STDERR "NOTICE: The log file [$filename] does not exist. Creating it now with mode [0600].\n" if ($conf{'stdout'}); + open (LOGFILE, ">>$filename"); + close LOGFILE; + chmod (0600, $filename); + } + + ## Now open the file and attach it to a filehandle + open (LOGFILE,">>$filename") or return (1); + + ## Put the file into non-buffering mode + select LOGFILE; + $| = 1; + select STDOUT; + + ## Return success + return(0); +} + + + + + + + + +############################################################################################### +## Function: read_file (string $filename) +## +## Description: Reads the contents of a file and returns a two part array: +## ($status, $file-contents) +## $status is 0 on success, non-zero on error. +## +## Example: ($status, $file) = read_file("/etc/passwd"); +############################################################################################### +sub read_file { + my ( $filename ) = @_; + + ## If the value specified is a file, load the file's contents + if ( (-e $filename and -r $filename) ) { + my $FILE; + if(!open($FILE, ' ' . $filename)) { + return((1, "")); + } + my $file = ''; + while (<$FILE>) { + $file .= $_; + } + ## Strip an ending \r\n + $file =~ s/\r?\n$//os; + } + return((1, "")); +} + + + + + + + + + +############################################################################################### +## Function: quit (string $message, int $errorLevel) +## +## Description: Exits the program, optionally printing $message. It +## returns an exit error level of $errorLevel to the +## system (0 means no errors, and is assumed if empty.) +## +## Example: quit("Exiting program normally", 0); +############################################################################################### +sub quit { + my ( $message, $errorLevel ) = @_; + $errorLevel = 0 if (!defined($errorLevel)); + + ## Print exit message + if ($message) { + printmsg($message, 0); + } + + ## Exit + exit($errorLevel); +} + + + + + + + + + + + + +############################################################################################### +## Function: help () +## +## Description: For all those newbies ;) +## Prints a help message and exits the program. +## +############################################################################################### +sub help { +exit(1) if (!$conf{'stdout'}); +print <${colorNoBold} + +Synopsis: $conf{'programName'} -f ADDRESS [options] + + ${colorRed}Required:${colorNormal} + -f ADDRESS from (sender) email address + * At least one recipient required via -t, -cc, or -bcc + * Message body required via -m, STDIN, or -o message-file=FILE + + ${colorGreen}Common:${colorNormal} + -t ADDRESS [ADDR ...] to email address(es) + -u SUBJECT message subject + -m MESSAGE message body + -s SERVER[:PORT] smtp mail relay, default is $conf{'server'}:$conf{'port'} + + ${colorGreen}Optional:${colorNormal} + -a FILE [FILE ...] file attachment(s) + -cc ADDRESS [ADDR ...] cc email address(es) + -bcc ADDRESS [ADDR ...] bcc email address(es) + -xu USERNAME username for SMTP authentication + -xp PASSWORD password for SMTP authentication + + ${colorGreen}Paranormal:${colorNormal} + -b BINDADDR[:PORT] local host bind address + -l LOGFILE log to the specified file + -v verbosity, use multiple times for greater effect + -q be quiet (i.e. no STDOUT output) + -o NAME=VALUE advanced options, for details try: --help misc + -o message-content-type= + -o message-file=FILE -o message-format=raw + -o message-header=HEADER -o message-charset=CHARSET + -o reply-to=ADDRESS -o timeout=SECONDS + -o username=USERNAME -o password=PASSWORD + -o tls= -o fqdn=FQDN + + + ${colorGreen}Help:${colorNormal} + --help the helpful overview you're reading now + --help addressing explain addressing and related options + --help message explain message body input and related options + --help networking explain -s, -b, etc + --help output explain logging and other output options + --help misc explain -o options, TLS, SMTP auth, and more + +EOM +exit(1); +} + + + + + + + + + +############################################################################################### +## Function: helpTopic ($topic) +## +## Description: For all those newbies ;) +## Prints a help message and exits the program. +## +############################################################################################### +sub helpTopic { + exit(1) if (!$conf{'stdout'}); + my ($topic) = @_; + + CASE: { + + + + +## ADDRESSING + ($topic eq 'addressing') && do { + print <" + Just Address: "john.doe\@gmail.com" + +The "Full Name" method is useful if you want a name, rather than a plain +email address, to be displayed in the recipient's From, To, or Cc fields +when they view the message. + + +${colorGreen}Multiple Recipients${colorNormal} +The -t, -cc, and -bcc options each accept multiple addresses. They may be +specified by separating them by either a white space, comma, or semi-colon +separated list. You may also specify the -t, -cc, and -bcc options multiple +times, each occurance will append the new recipients to the respective list. + +Examples: +(I used "-t" in these examples, but it can be "-cc" or "-bcc" as well) + + * Space separated list: + -t jane.doe\@yahoo.com "John Doe " + + * Semi-colon separated list: + -t "jane.doe\@yahoo.com; John Doe " + + * Comma separated list: + -t "jane.doe\@yahoo.com, John Doe " + + * Multiple -t, -cc, or -bcc options: + -t "jane.doe\@yahoo.com" -t "John Doe " + + +EOM + last CASE; + }; + + + + + + +## MESSAGE + ($topic eq 'message') && do { + print < + -o message-header=EMAIL HEADER + -o message-charset=CHARSET + -o message-format=raw + +-u SUBJECT + This option allows you to specify the subject for your email message. + It is not required (anymore) that the subject be quoted, although it + is recommended. The subject will be read until an argument starting + with a hyphen (-) is found. + Examples: + -u "Contact information while on vacation" + -u New Microsoft vulnerability discovered + +-m MESSAGE + This option is one of three methods that allow you to specify the message + body for your email. The message may be specified on the command line + with this -m option, read from a file with the -o message-file=FILE + option, or read from STDIN if neither of these options are present. + + It is not required (anymore) that the message be quoted, although it is + recommended. The message will be read until an argument starting with a + hyphen (-) is found. + Examples: + -m "See you in South Beach, Hawaii. -Todd" + -m Please ensure that you upgrade your systems right away + + Multi-line message bodies may be specified with the -m option by putting + a "\\n" into the message. Example: + -m "This is line 1.\\nAnd this is line 2." + + HTML messages are supported, simply begin your message with "" and + sendEmail will properly label the mime header so MUAs properly render + the message. It is currently not possible without "-o message-format=raw" + to send a message with both text and html parts with sendEmail. + +-o message-file=FILE + This option is one of three methods that allow you to specify the message + body for your email. To use this option simply specify a text file + containing the body of your email message. Examples: + -o message-file=/root/message.txt + -o message-file="C:\\Program Files\\output.txt" + +-o message-content-type= + This option allows you to specify the content-type of the email. If your + email message is an html message but is being displayed as a text message + just add "-o message-content-type=html" to the command line to force it + to display as an html message. This actually just changes the Content-Type: + header. Advanced users will be happy to know that if you specify anything + other than the three options listed above it will use that as the vaule + for the Content-Type header. + +-o message-header=EMAIL HEADER + This option allows you to specify additional email headers to be included. + To add more than one message header simply use this option on the command + line more than once. If you specify a message header that sendEmail would + normally generate the one you specified will be used in it's place. + Do not use this unless you know what you are doing! + Example: + To scare a Microsoft Outlook user you may want to try this: + -o message-header="X-Message-Flag: Message contains illegal content" + Example: + To request a read-receipt try this: + -o message-header="Disposition-Notification-To: " + Example: + To set the message priority try this: + -o message-header="X-Priority: 1" + Priority reference: 1=highest, 2=high, 3=normal, 4=low, 5=lowest + +-o message-charset=CHARSET + This option allows you to specify the character-set for the message body. + The default is iso-8859-1. + +-o message-format=raw + This option instructs sendEmail to assume the message (specified with -m, + read from STDIN, or read from the file specified in -o message-file=FILE) + is already a *complete* email message. SendEmail will not generate any + headers and will transmit the message as-is to the remote SMTP server. + Due to the nature of this option the following command line options will + be ignored when this one is used: + -u SUBJECT + -o message-header=EMAIL HEADER + -o message-charset=CHARSET + -a ATTACHMENT + + +${colorGreen}The Message Body${colorNormal} +The email message body may be specified in one of three ways: + 1) Via the -m MESSAGE command line option. + Example: + -m "This is the message body" + + 2) By putting the message body in a file and using the -o message-file=FILE + command line option. + Example: + -o message-file=/root/message.txt + + 3) By piping the message body to sendEmail when nither of the above command + line options were specified. + Example: + grep "ERROR" /var/log/messages | sendEmail -t you\@domain.com ... + +If the message body begins with "" then the message will be treated as +an HTML message and the MIME headers will be written so that a HTML capable +email client will display the message in it's HTML form. +Any of the above methods may be used with the -o message-format=raw option +to deliver an already complete email message. + + +EOM + last CASE; + }; + + + + + + +## MISC + ($topic eq 'misc') && do { + print < + -o timeout=SECONDS + -o fqdn=FQDN + +-a ATTACHMENT [ATTACHMENT ...] + This option allows you to attach any number of files to your email message. + To specify more than one attachment, simply separate each filename with a + space. Example: -a file1.txt file2.txt file3.txt + +-xu USERNAME + Alias for -o username=USERNAME + +-xp PASSWORD + Alias for -o password=PASSWORD + +-o username=USERNAME (synonym for -xu) + These options allow specification of a username to be used with SMTP + servers that require authentication. If a username is specified but a + password is not, you will be prompted to enter one at runtime. + +-o password=PASSWORD (synonym for -xp) + These options allow specification of a password to be used with SMTP + servers that require authentication. If a username is specified but a + password is not, you will be prompted to enter one at runtime. + +-o tls= + This option allows you to specify if TLS (SSL for SMTP) should be enabled + or disabled. The default, auto, will use TLS automatically if your perl + installation has the IO::Socket::SSL and Net::SSLeay modules available, + and if the remote SMTP server supports TLS. To require TLS for message + delivery set this to yes. To disable TLS support set this to no. A debug + level of one or higher will reveal details about the status of TLS. + +-o timeout=SECONDS + This option sets the timeout value in seconds used for all network reads, + writes, and a few other things. + +-o fqdn=FQDN + This option sets the Fully Qualified Domain Name used during the initial + SMTP greeting. Normally this is automatically detected, but in case you + need to manually set it for some reason or get a warning about detection + failing, you can use this to override the default. + + +EOM + last CASE; + }; + + + + + + +## NETWORKING + ($topic eq 'networking') && do { + print < + -o timeout=SECONDS + +-s SERVER[:PORT] + This option allows you to specify the SMTP server sendEmail should + connect to to deliver your email message to. If this option is not + specified sendEmail will try to connect to localhost:25 to deliver + the message. THIS IS MOST LIKELY NOT WHAT YOU WANT, AND WILL LIKELY + FAIL unless you have a email server (commonly known as an MTA) running + on your computer! + Typically you will need to specify your company or ISP's email server. + For example, if you use CableOne you will need to specify: + -s mail.cableone.net + If you have your own email server running on port 300 you would + probably use an option like this: + -s myserver.mydomain.com:300 + If you're a GMail user try: + -s smtp.gmail.com:587 -xu me\@gmail.com -xp PASSWD + +-b BINDADDR[:PORT] + This option allows you to specify the local IP address (and optional + tcp port number) for sendEmail to bind to when connecting to the remote + SMTP server. This useful for people who need to send an email from a + specific network interface or source address and are running sendEmail on + a firewall or other host with several network interfaces. + +-o tls= + This option allows you to specify if TLS (SSL for SMTP) should be enabled + or disabled. The default, auto, will use TLS automatically if your perl + installation has the IO::Socket::SSL and Net::SSLeay modules available, + and if the remote SMTP server supports TLS. To require TLS for message + delivery set this to yes. To disable TLS support set this to no. A debug + level of one or higher will reveal details about the status of TLS. + +-o timeout=SECONDS + This option sets the timeout value in seconds used for all network reads, + writes, and a few other things. + + +EOM + last CASE; + }; + + + + + + +## OUTPUT + ($topic eq 'output') && do { + print < The help topic specified is not valid!", 1); + }; + +exit(1); +} + + + + + + + + + + + + + + + + + + + + + + +############################# +## ## +## MAIN PROGRAM ## +## ## +############################# + + +## Initialize +initialize(); + +## Process Command Line +processCommandLine(); +$conf{'alarm'} = $opt{'timeout'}; + +## Abort program after $conf{'alarm'} seconds to avoid infinite hangs +alarm($conf{'alarm'}) if ($^O !~ /win/i); ## alarm() doesn't work in win32 + + + + +################################################### +## Read $message from STDIN if -m was not used ## +################################################### + +if (!($message)) { + ## Read message body from a file specified with -o message-file= + if ($opt{'message-file'}) { + if (! -e $opt{'message-file'}) { + printmsg("ERROR => Message body file specified [$opt{'message-file'}] does not exist!", 0); + printmsg("HINT => 1) check spelling of your file; 2) fully qualify the path; 3) doubble quote it", 1); + quit("", 1); + } + if (! -r $opt{'message-file'}) { + printmsg("ERROR => Message body file specified can not be read due to restricted permissions!", 0); + printmsg("HINT => Check permissions on file specified to ensure it can be read", 1); + quit("", 1); + } + if (!open(MFILE, "< " . $opt{'message-file'})) { + printmsg("ERROR => Error opening message body file [$opt{'message-file'}]: $!", 0); + quit("", 1); + } + while () { + $message .= $_; + } + close(MFILE); + } + + ## Read message body from STDIN + else { + alarm($conf{'alarm'}) if ($^O !~ /win/i); ## alarm() doesn't work in win32 + if ($conf{'stdout'}) { + print "Reading message body from STDIN because the '-m' option was not used.\n"; + print "If you are manually typing in a message:\n"; + print " - First line must be received within $conf{'alarm'} seconds.\n" if ($^O !~ /win/i); + print " - End manual input with a CTRL-D on its own line.\n\n" if ($^O !~ /win/i); + print " - End manual input with a CTRL-Z on its own line.\n\n" if ($^O =~ /win/i); + } + while () { ## Read STDIN into $message + $message .= $_; + alarm(0) if ($^O !~ /win/i); ## Disable the alarm since at least one line was received + } + printmsg("Message input complete.", 0); + } +} + +## Replace bare LF's with CRLF's (\012 should always have \015 with it) +$message =~ s/(\015)?(\012|$)/\015\012/g; + +## Replace bare CR's with CRLF's (\015 should always have \012 with it) +$message =~ s/(\015)(\012|$)?/\015\012/g; + +## Check message for bare periods and encode them +$message =~ s/(^|$CRLF)(\.{1})($CRLF|$)/$1.$2$3/g; + +## Get the current date for the email header +my ($sec,$min,$hour,$mday,$mon,$year,$day) = gmtime(); +$year += 1900; $mon = return_month($mon); $day = return_day($day); +my $date = sprintf("%s, %s %s %d %.2d:%.2d:%.2d %s",$day, $mday, $mon, $year, $hour, $min, $sec, $conf{'timezone'}); + + + + +################################## +## Connect to the SMTP server ## +################################## +printmsg("DEBUG => Connecting to $conf{'server'}:$conf{'port'}", 1); +$SIG{'ALRM'} = sub { + printmsg("ERROR => Timeout while connecting to $conf{'server'}:$conf{'port'} There was no response after $conf{'alarm'} seconds.", 0); + printmsg("HINT => Try specifying a different mail relay with the -s option.", 1); + quit("", 1); +}; +alarm($conf{'alarm'}) if ($^O !~ /win/i); ## alarm() doesn't work in win32; +$SERVER = IO::Socket::INET->new( PeerAddr => $conf{'server'}, + PeerPort => $conf{'port'}, + LocalAddr => $conf{'bindaddr'}, + Proto => 'tcp', + Autoflush => 1, + timeout => $conf{'alarm'}, +); +alarm(0) if ($^O !~ /win/i); ## alarm() doesn't work in win32; + +## Make sure we got connected +if ( (!$SERVER) or (!$SERVER->opened()) ) { + printmsg("ERROR => Connection attempt to $conf{'server'}:$conf{'port'} failed: $@", 0); + printmsg("HINT => Try specifying a different mail relay with the -s option.", 1); + quit("", 1); +} + +## Save our IP address for later +$conf{'ip'} = $SERVER->sockhost(); +printmsg("DEBUG => My IP address is: $conf{'ip'}", 1); + + + + + + + +######################### +## Do the SMTP Dance ## +######################### + +## Read initial greeting to make sure we're talking to a live SMTP server +if (SMTPchat()) { quit($conf{'error'}, 1); } + +## We're about to use $opt{'fqdn'}, make sure it isn't empty +if (!$opt{'fqdn'}) { + ## Ok, that means we couldn't get a hostname, how about using the IP address for the HELO instead + $opt{'fqdn'} = "[" . $conf{'ip'} . "]"; +} + +## EHLO +if (SMTPchat('EHLO ' . $opt{'fqdn'})) { + printmsg($conf{'error'}, 0); + printmsg("NOTICE => EHLO command failed, attempting HELO instead"); + if (SMTPchat('HELO ' . $opt{'fqdn'})) { quit($conf{'error'}, 1); } + if ( $opt{'username'} and $opt{'password'} ) { + printmsg("WARNING => The mail server does not support SMTP authentication!", 0); + } +} +else { + + ## Determin if the server supports TLS + if ($conf{'SMTPchat_response'} =~ /STARTTLS/) { + $conf{'tls_server'} = 1; + printmsg("DEBUG => The remote SMTP server supports TLS :)", 2); + } + else { + $conf{'tls_server'} = 0; + printmsg("DEBUG => The remote SMTP server does NOT support TLS :(", 2); + } + + ## Start TLS if possible + if ($conf{'tls_server'} == 1 and $conf{'tls_client'} == 1 and $opt{'tls'} =~ /^(yes|auto)$/) { + printmsg("DEBUG => Starting TLS", 2); + if (SMTPchat('STARTTLS')) { quit($conf{'error'}, 1); } + if (! IO::Socket::SSL->start_SSL($SERVER, SSL_version => 'SSLv3 TLSv1')) { + quit("ERROR => TLS setup failed: " . IO::Socket::SSL::errstr(), 1); + } + printmsg("DEBUG => TLS: Using cipher: ". $SERVER->get_cipher(), 3); + printmsg("DEBUG => TLS session initialized :)", 1); + + ## Restart our SMTP session + if (SMTPchat('EHLO ' . $opt{'fqdn'})) { quit($conf{'error'}, 1); } + } + elsif ($opt{'tls'} eq 'yes' and $conf{'tls_server'} == 0) { + quit("ERROR => TLS not possible! Remote SMTP server, $conf{'server'}, does not support it.", 1); + } + + + ## Do SMTP Auth if required + if ( $opt{'username'} and $opt{'password'} ) { + if ($conf{'SMTPchat_response'} !~ /AUTH\s/) { + printmsg("NOTICE => Authentication not supported by the remote SMTP server!", 0); + } + else { + my $auth_succeeded = 0; + my $mutual_method = 0; + + # ## SASL CRAM-MD5 authentication method + # if ($conf{'SMTPchat_response'} =~ /\bCRAM-MD5\b/i) { + # printmsg("DEBUG => SMTP-AUTH: Using CRAM-MD5 authentication method", 1); + # if (SMTPchat('AUTH CRAM-MD5')) { quit($conf{'error'}, 1); } + # + # ## FIXME!! + # + # printmsg("DEBUG => User authentication was successful", 1); + # } + + ## SASL LOGIN authentication method + if ($auth_succeeded == 0 and $conf{'SMTPchat_response'} =~ /\bLOGIN\b/i) { + $mutual_method = 1; + printmsg("DEBUG => SMTP-AUTH: Using LOGIN authentication method", 1); + if (!SMTPchat('AUTH LOGIN')) { + if (!SMTPchat(base64_encode($opt{'username'}))) { + if (!SMTPchat(base64_encode($opt{'password'}))) { + $auth_succeeded = 1; + printmsg("DEBUG => User authentication was successful (Method: LOGIN)", 1); + } + } + } + if ($auth_succeeded == 0) { + printmsg("DEBUG => SMTP-AUTH: LOGIN authenticaion failed.", 1); + } + } + + ## SASL PLAIN authentication method + if ($auth_succeeded == 0 and $conf{'SMTPchat_response'} =~ /\bPLAIN\b/i) { + $mutual_method = 1; + printmsg("DEBUG => SMTP-AUTH: Using PLAIN authentication method", 1); + if (SMTPchat('AUTH PLAIN ' . base64_encode("$opt{'username'}\0$opt{'username'}\0$opt{'password'}"))) { + printmsg("DEBUG => SMTP-AUTH: PLAIN authenticaion failed.", 1); + } + else { + $auth_succeeded = 1; + printmsg("DEBUG => User authentication was successful (Method: PLAIN)", 1); + } + } + + ## If none of the authentication methods supported by sendEmail were supported by the server, let the user know + if ($mutual_method == 0) { + printmsg("WARNING => SMTP-AUTH: No mutually supported authentication methods available", 0); + } + + ## If we didn't get authenticated, log an error message and exit + if ($auth_succeeded == 0) { + quit("ERROR => ERROR => SMTP-AUTH: Authentication to $conf{'server'}:$conf{'port'} failed.", 1); + } + } + } +} + +## MAIL FROM +if (SMTPchat('MAIL FROM:<' .(returnAddressParts($from))[1]. '>')) { quit($conf{'error'}, 1); } + +## RCPT TO +my $oneRcptAccepted = 0; +foreach my $rcpt (@to, @cc, @bcc) { + my ($name, $address) = returnAddressParts($rcpt); + if (SMTPchat('RCPT TO:<' . $address . '>')) { + printmsg("WARNING => The recipient <$address> was rejected by the mail server, error follows:", 0); + $conf{'error'} =~ s/^ERROR/WARNING/o; + printmsg($conf{'error'}, 0); + } + elsif ($oneRcptAccepted == 0) { + $oneRcptAccepted = 1; + } +} +## If no recipients were accepted we need to exit with an error. +if ($oneRcptAccepted == 0) { + quit("ERROR => Exiting. No recipients were accepted for delivery by the mail server.", 1); +} + +## DATA +if (SMTPchat('DATA')) { quit($conf{'error'}, 1); } + + +############################### +## Build and send the body ## +############################### +printmsg("INFO => Sending message body",1); + +## If the message-format is raw just send the message as-is. +if ($opt{'message-format'} =~ /^raw$/i) { + print $SERVER $message; +} + +## If the message-format isn't raw, then build and send the message, +else { + + ## Message-ID: + if ($opt{'message-header'} !~ /^Message-ID:/iom) { + $header .= 'Message-ID: <' . $conf{'Message-ID'} . '@' . $conf{'hostname'} . '>' . $CRLF; + } + + ## From: "Name" (the pointless test below is just to keep scoping correct) + if ($from and $opt{'message-header'} !~ /^From:/iom) { + my ($name, $address) = returnAddressParts($from); + $header .= 'From: "' . $name . '" <' . $address . '>' . $CRLF; + } + + ## Reply-To: + if ($opt{'reply-to'} and $opt{'message-header'} !~ /^Reply-To:/iom) { + my ($name, $address) = returnAddressParts($opt{'reply-to'}); + $header .= 'Reply-To: "' . $name . '" <' . $address . '>' . $CRLF; + } + + ## To: "Name" + if ($opt{'message-header'} =~ /^To:/iom) { + ## The user put the To: header in via -o message-header - dont do anything + } + elsif (scalar(@to) > 0) { + $header .= "To:"; + for (my $a = 0; $a < scalar(@to); $a++) { + my $msg = ""; + + my ($name, $address) = returnAddressParts($to[$a]); + $msg = " \"$name\" <$address>"; + + ## If we're not on the last address add a comma to the end of the line. + if (($a + 1) != scalar(@to)) { + $msg .= ","; + } + + $header .= $msg . $CRLF; + } + } + ## We always want a To: line so if the only recipients were bcc'd they don't see who it was sent to + else { + $header .= "To: \"Undisclosed Recipients\" <>$CRLF"; + } + + if (scalar(@cc) > 0 and $opt{'message-header'} !~ /^Cc:/iom) { + $header .= "Cc:"; + for (my $a = 0; $a < scalar(@cc); $a++) { + my $msg = ""; + + my ($name, $address) = returnAddressParts($cc[$a]); + $msg = " \"$name\" <$address>"; + + ## If we're not on the last address add a comma to the end of the line. + if (($a + 1) != scalar(@cc)) { + $msg .= ","; + } + + $header .= $msg . $CRLF; + } + } + + if ($opt{'message-header'} !~ /^Subject:/iom) { + $header .= 'Subject: ' . $subject . $CRLF; ## Subject + } + if ($opt{'message-header'} !~ /^Date:/iom) { + $header .= 'Date: ' . $date . $CRLF; ## Date + } + if ($opt{'message-header'} !~ /^X-Mailer:/iom) { + $header .= 'X-Mailer: sendEmail-'.$conf{'version'}.$CRLF; ## X-Mailer + } + ## I wonder if I should put this in by default? + # if ($opt{'message-header'} !~ /^X-Originating-IP:/iom) { + # $header .= 'X-Originating-IP: ['.$conf{'ip'}.']'.$CRLF; ## X-Originating-IP + # } + + ## Encode all messages with MIME. + if ($opt{'message-header'} !~ /^MIME-Version:/iom) { + $header .= "MIME-Version: 1.0$CRLF"; + } + if ($opt{'message-header'} !~ /^Content-Type:/iom) { + my $content_type = 'multipart/mixed'; + if (scalar(@attachments) == 0) { $content_type = 'multipart/related'; } + $header .= "Content-Type: $content_type; boundary=\"$conf{'delimiter'}\"$CRLF"; + } + + ## Send additional message header line(s) if specified + if ($opt{'message-header'}) { + $header .= $opt{'message-header'}; + } + + ## Send the message header to the server + print $SERVER $header . $CRLF; + + ## Start sending the message body to the server + print $SERVER "This is a multi-part message in MIME format. To properly display this message you need a MIME-Version 1.0 compliant Email program.$CRLF"; + print $SERVER "$CRLF"; + + + ## Send message body + print $SERVER "--$conf{'delimiter'}$CRLF"; + ## Send a message content-type header: + ## If the message contains HTML... + if ($opt{'message-content-type'} eq 'html' or ($opt{'message-content-type'} eq 'auto' and $message =~ /^\s*( 0) { + ## Disable the alarm so people on modems can send big attachments + alarm(0) if ($^O !~ /win/i); ## alarm() doesn't work in win32 + + ## Send the attachments + foreach my $filename (@attachments) { + ## This is check 2, we already checked this above, but just in case... + if ( ! -f $filename ) { + printmsg("ERROR => The file [$filename] doesn't exist! Email will be sent, but without that attachment.", 0); + } + elsif ( ! -r $filename ) { + printmsg("ERROR => Couldn't open the file [$filename] for reading: $! Email will be sent, but without that attachment.", 0); + } + else { + printmsg("DEBUG => Sending the attachment [$filename]", 1); + send_attachment($filename); + } + } + } + + + ## End the mime encoded message + print $SERVER "$CRLF--$conf{'delimiter'}--$CRLF"; +} + + +## Tell the server we are done sending the email +print $SERVER "$CRLF.$CRLF"; +if (SMTPchat()) { quit($conf{'error'}, 1); } + + + +#################### +# We are done!!! # +#################### + +## Disconnect from the server (don't SMTPchat(), it breaks when using TLS) +print $SERVER "QUIT$CRLF"; +close $SERVER; + + + + + + +####################################### +## Generate exit message/log entry ## +####################################### + +if ($conf{'debug'} or $conf{'logging'}) { + printmsg("Generating a detailed exit message", 3); + + ## Put the message together + my $output = "Email was sent successfully! From: <" . (returnAddressParts($from))[1] . "> "; + + if (scalar(@to) > 0) { + $output .= "To: "; + for ($a = 0; $a < scalar(@to); $a++) { + $output .= "<" . (returnAddressParts($to[$a]))[1] . "> "; + } + } + if (scalar(@cc) > 0) { + $output .= "Cc: "; + for ($a = 0; $a < scalar(@cc); $a++) { + $output .= "<" . (returnAddressParts($cc[$a]))[1] . "> "; + } + } + if (scalar(@bcc) > 0) { + $output .= "Bcc: "; + for ($a = 0; $a < scalar(@bcc); $a++) { + $output .= "<" . (returnAddressParts($bcc[$a]))[1] . "> "; + } + } + $output .= "Subject: [$subject] " if ($subject); + if (scalar(@attachments_names) > 0) { + $output .= "Attachment(s): "; + foreach(@attachments_names) { + $output .= "[$_] "; + } + } + $output .= "Server: [$conf{'server'}:$conf{'port'}]"; + + +###################### +# Exit the program # +###################### + + ## Print / Log the detailed message + quit($output, 0); +} +else { + ## Or the standard message + quit("Email was sent successfully!", 0); +} + diff --git a/sendEmail.pl b/sendEmail.pl new file mode 120000 index 0000000..9ebfbdb --- /dev/null +++ b/sendEmail.pl @@ -0,0 +1 @@ +sendEmail \ No newline at end of file -- cgit v1.2.3