docs/masqmail-cs: masqmail.tex comparison

comparison masqmail.tex @ 5:282b52d9de09

wrote parts about ch05 and about help; cleanups

author	meillo@marmaro.de
date	Thu, 05 Mar 2009 23:01:54 +0100
parents	1197518aa221
children	00207c2995ae

comparison

equal deleted inserted replaced

-:1197518aa221
+:282b52d9de09
 \secframe{about me}
 \frame{\ft{markus schnalke}
-\textbf{past}
+past:
-Business Information Systems\\
+\qquad Business Information Systems\\
-at University of Applied Sciences, Ulm
+\qquad at University of Applied Sciences, Ulm
-Diploma Thesis about masqmail
+\qquad Diploma Thesis about masqmail
-\textbf{future}
+future:
-Master in Informatics\\
+\qquad Master in Informatics\\
-here at University, Ulm
+\qquad here at University, Ulm
 }
 \frame{\ft{I am interested in}
 2) about masqmail (xx\%)
 3) the thesis (xx\%)
-4) help me to help masqmail (xx\%)
+4) help wanted (xx\%)
 }
 1999 -- 2003
 GPL
-about 9\,000 SLOC
+about 9\,000 lines of C
 }
 \frame{\ft{guessed}
 \secframe{when I met masqmail}
-\frame{\ft{using unmaintained software}
+\frame{\ft{Fall 2007}
-Fall 2007: started to use masqmail
+started to use masqmail
-Spring 2008: realized it is unmaintained in Debian
+}
+\frame{\ft{Spring 2008}
+problem: realized it is unmaintained in Debian
 A situation to be changed ... but by whom?
-... me? No!
+\dots me? No!
 }
-\frame{\ft{solving two problems}
+\frame{\ft{Summer 2008}
-Summer 2008:
 problem: find a topic for the diploma thesis
+}
+\frame{\ft{while lying in bed some night}
 the great idea: solve both problems in once
-- \textbf{use the diploma thesis to revive masqmail}
+1) \textbf{use the diploma thesis to revive masqmail}
-- \textbf{use masqmail to do a great diploma thesis}
+2) \textbf{use masqmail to do a great diploma thesis}
 }
 \frame{\ft{advising professor}
-Professor Sch\"affter
+professor Markus Sch\"affter
 thanks!
 }
-\frame{\ft{motivation}
+\frame{\ft{logical decisions}
-\textbf{motivation}
+motivation:
-- for myself
+\qquad for myself
-- for the community
+\qquad for the community
-\textbf{thus}
+thus:
-- in English
+\qquad write in English
-- free available
+\qquad make the thesis free available
 }
 \frame{\ft{MTAs}
-- relay-only MTAs (forwarders): nullmailer, ssmtp
+relay-only MTAs (forwarders):
-- groupware: Lotus Notes, Exchange, opengroupware.org
+\qquad nullmailer, ssmtp
-- ``real'' MTAs: sendmail, exim, qmail, postfix, masqmail
+groupware:
+\qquad Lotus Notes, Exchange, opengroupware.org
+``real'' MTAs:
+\qquad sendmail, exim, qmail, postfix, masqmail
 }
 \frame{\ft{why not postfix}
 - too large
+- too complex
 - not designed for masqmail's scenario
 }
 \frame{\ft{in summary}
 }
 \frame{\ft{further development}
-- improve existing code
+1) improve existing code
-- add wrappers and interposition filters
+2) add wrappers and interposition filters
-- redesign and rewrite from scratch
+3) redesign and rewrite from scratch
+\quad
+$1) + 2) = 13$ \quad vs. \quad $3) = 17$
 }
 \frame{\ft{architecture}
 ``one fits all'' is not possible
 hence: different strategies for different goals
 short-term goal: keep masqmail usable\\
-\quad\quad$\rightarrow$ improve existing code
+\qquad $\rightarrow$ improve existing code
 long-term goal: make masqmail future-proof\\
-\quad\quad$\rightarrow$ recreate it from scratch
+\qquad $\rightarrow$ recreate it from scratch
 disadvantage: more work
 }
+\oneline{questions?}
 \secframe{in detail: ch05.1 existing code}
-\frame{\ft{masqmail's code base}
+\frame{\ft{TODO 1: Encryption}
-C
+STARTTLS
-~ 9,000 SLOC
+qmail patch as template
-}
+affected files: smtp\_in.c, smtp\_out.c, conf.c
+}
+\frame{\ft{TODO 2: Authentication}
+static: TCP Wrapper
+dynamic: SMTP-AUTH with SASL
+affected files: smtp\_in.c, smtp\_out.c, conf.c
+}
+\frame{\ft{TODO 3: Security}
+mail security layers
+\begin{center}
+\includegraphics[width=\textwidth]{fig/proxy-setup.eps}
+\end{center}
+}
+\oneline{questions?}
 \secframe{in detail: ch05.2 new design}
-\frame{\ft{FIXME}
+\frame{\ft{design goals}
-}
+throughout compartmentalization
+free internal system from in and out channels
+single point for scanning
+concentrate on mail transfer
-\secframe{HELP!}
+keep it simple, clear, and general
-\frame{\ft{FIXME}
+}
+\frame{\ft{incoming channels}
+arbitrary protocol handlers
+one single module that puts the mail into the queue
+}
+\frame{\ft{queueing}
+reliable queue
+preferably the system's native format
+}
+\frame{\ft{mail sanitizing}
+qmail: ``don't parse'' $\rightarrow$ parse very carefully
+Jon Postel's robustness principle
+}
+\frame{\ft{authentication and encryption}
+in receiving and sending modules (?)
+with library code
+}
+\frame{\ft{spam and malware handling}
+receiving modules vs. a scanning module
+in both places?
+}
+\frame{\ft{route management}
+the thing special to masqmail
+done just before the outgoing modules
+}
+\frame{\ft{outgoing channels}
+modules for each protocol
+no own MDA, only a pipe module
+}
+\frame{\ft{the proposed architecture}
+\begin{center}
+\includegraphics[width=0.9\textwidth]{fig/masqmail-arch-new.eps}
+\end{center}
+}
+\oneline{questions?}
+\secframe{help wanted!}
+\frame{\ft{work to do}
+add encryption, authentication, security
+fix bugs
+documentation
+user guides and ``marketing''
+create the new masqmail
+}
+\frame{\ft{current team}
+\tiny me
+}
+\frame{\ft{}
+project site:
+\qquad \url{http://prog.marmaro.de/masqmail}
+mailing list:
+\qquad masqmail@marmaro.de
+}
+\frame{\ft{Debian}
+I search for a DD to sponsor my masqmail work
+please contact me!
+}
+\frame{\ft{you!}
+I welcome your help!
+I appreciate your advice!
+I am thankful for your comments!
+\quad
+\textbf{help masqmail}
 }
 \LaTeX\ with the beamer classes
 Vim, latexmk, and Mercurial
+diagrams: PIC and groff
 \vfill
 {\scriptsize The slides are available on \url{http://marmaro.de/docs} \hfill 2009-03-09 }
 }

Mercurial > docs > masqmail-cs

comparison masqmail.tex @ 5:282b52d9de09