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BUILD
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1998-12-17
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UNIX BUILD NOTES
A change has been made from previous versions of the IMAP toolkit.
There are no longer separate ANSI and non-ANSI source trees. Nor is it
possible to build directly on the source tree. Instead, you *must* build
through the top-level imap-4.5/Makefile, which will run a "process" step the
first time and create the imap-4.5/c-client, imap-4.5/ipopd, and
imap-4.5/imapd directories in which building actually takes place.
Before doing a make on UNIX, you should read imap-4.5/Makefile and see if
your system type is known. The various system types are three-letter codes.
If your system type is known, then use this as the make option. After the
first time you do a make, this option is remembered in a file called OSTYPE,
so just typing "make" suffices.
For example, if you are using a more or less modern Linux system, your
system type is either slx (shadow passwords only) or lnp (PAM), and the
appropriate command is:
make slx (or make lnp)
There are other make options, described in imap-4.5/src/osdep/Makefile.
It's probably best to see if an existing port will work on your system
before inventing a new port. Try:
sv4 generic SVR4
a32 modern SVR4, SVR4 with gcc
bsd basic 4.3 BSD
nxt, mct, gul modern BSD, BSD with gcc
If you must invent a new port, you need to create an entry in
imap-4.5/Makefile and imap-4.5/src/osdep/Makefile for your new port, as well as
osdep/os_???.h and osdep/os_???.c files with the appropriate OS-dependent
support for that system. You also need to determine which setup process to
use. You should use the ua process unless you are sure that your compiler
supports *ALL* aspects of ANSI C prototyping. Note that some compilers, such
as Ultrix, support some aspects of ANSI C but not others; c-client really
beats on the full prototyping capability of ANSI C so you have to use the
non-ANSI source tree for such systems.
If you send a new port back to us, we will make it available for others
who use your particular system type.
The mbox driver is now enabled by default. If the file "mbox" exists on
the user's home directory and is in UNIX mailbox format, then when INBOX is
opened this file will be selected as INBOX instead of the mail spool file.
Messages will be automatically transferred from the mail spool file into the
mbox file. To disable this behavior, delete "mbox" from the EXTRADRIVERS list
in the top-level Makefile and rebuild.
WARNING: The SVR2 (sv2) port is *incomplete*. SVR2 does not appear to
have any way to do ftruncate(), which is needed by the mbox, mbx, mmdf, mtx,
tenex, and unix drivers.
UNIX INSTALLATION NOTES
Binaries from the build are:
imap-4.5/mtest/mtest c-client testbed program
imap-4.5/ipopd/ipop2d POP2 daemon
imap-4.5/ipopd/ipop3d POP3 daemon
imap-4.5/imapd/imapd IMAP4rev1 daemon
mtest is normally not used except by c-client developers. The ipop2d,
ipop3d, and imapd daemons should be installed in a system daemon directory,
and invoked by your /etc/inetd.conf file with lines such as:
pop stream tcp nowait root /usr/local/etc/ipop2d ipop2d
pop3 stream tcp nowait root /usr/local/etc/ipop3d ipop3d
imap stream tcp nowait root /usr/local/etc/imapd imapd
Note that different variants of UNIX have different versions of inetd,
so you should verify the precise form of these commands (for example, some
versions of inetd do not require the "nowait").
You may also have to edit your /etc/services (or Yellow Pages,
NetInfo, etc. equivalent) to register these services, such as:
pop 109/tcp
pop3 110/tcp
imap 143/tcp
If you want to enable the rimap capability, which allows users with a
suitable client and .rhosts file on the server to access IMAP services
without transmitting her password in the clear over the network, you need
to have /etc/rimapd as a link to the real copy of imapd. Assuming you have
imapd installed on /usr/local/etc as above:
% ln -s /usr/local/etc/imapd /etc/rimapd
Technical note: rimap works by having the client routine tcp_aopen()
invoke `rsh _host_ exec /etc/rimapd' in an child process, and then returning
pipes to that process' standard I/O instead of a TCP socket. You can set up
`e-mail only accounts' by making the shell be something which accepts only
that string and not ordinary UNIX shell commands.
User "root" and any other UID 0 account can lot log in via IMAP
or POP. "That's not a bug, it's a feature!"
This software is designed to run without privileges. The mail spool
directory should be protected 1777; that is, with world write and the sticky
bit. Of course, mail *files* should be protected 600!
There is one "gotcha" on System V Release 4 based systems such as
Solaris. These systems do not use the standard UNIX mail format, but rather a
variant of that format that depends upon a bogus "Content-Length:" message
header. This is widely recognized to have been a terrible mistake. One
symptom of the problem is that under certain circumstances, a message may get
broken up into several messages. I'm also aware of security bugs caused by
programs that foolishly trust "Content-Length:" headers with evil values.
To fix your system, edit your sendmail.cf to change the Mlocal line to
have the -E flag. A typical entry will lool like:
Mlocal, P=/usr/lib/mail.local, F=flsSDFMmnPE, S=10, R=20, A=mail.local -d $u
NT/WIN32 BUILD AND INSTALLATION NOTES
I build using Visual C++ 5.0. If you build with an earlier version of
Visual C, you may need to install the Platform SDK (formerly called the Win32
SDK) separately. If you get errors while building os_nt.c that LogonUser() is
undefined, it's a good bet that you don't have the Platform SDK installed
and/or in your path properly.
There is also considerable debate about how new mail is to be snarfed.
I am currently using something that seems to work with WinSMTP. Look at
the definition of MAILFILE in imap-4.5/src/osdep/nt/mailfile.h and at the
sysinbox() function in imap-4.5/src/osdep/nt/env_nt.c to see what's there
now, so you have a clue about how to hack it.
To build under NT, connect to the imap-4.5 directory and do:
nmake -f makefile.nt
The resulting binaries will be:
imap-4.5\mtest\mtest.exe (testbed client)
imap-4.5\ipopd\ipop2d.exe POP2 server
imap-4.5\ipopd\ipop3d.exe POP3 server
imap-4.5\imapd\imapd.exe IMAP4rev1 server
These servers are stdio servers. I wrote a simple network listener
for NT called inetlisn; currently it is available as:
ftp://ftp.cac.washington.edu/mail/nt/inetlisn.tar
To build this, use "nmake" after connecting to the inetlisn directory.
inetlisn takes two arguments, the first being the port number and the second
being the binary to run to serve a connection on that port, e.g.
c:\bin\inetlisn 143 c:\mail_daemons\imapd
Note that NT imapd must be started as SYSTEM in order to be recognized as
being "not logged in"; otherwise it will preauth as whatever user it is
running as which is probably not what you want. One way to have it run as
system is to have inetlisn run by an AT command, e.g. if the time now is
2:05PM, try something like:
AT 14:06 "c:\bin\inetlisn 143 c:\mail_daemons\imapd"
Bottom line: this is not plug-and-play on NT. If you're not a hacker
and/or are unwilling to invest the time to do some programming, you probably
want to buy a commercial server for NT.
DOS/WIN16 BUILD NOTES
If you are building a DOS client, you will need a TCP/IP stack installed
on your DOS system along with its development environment. The currently
supported stacks are Beame & Whiteside, PC-NFS, Novell, PC/IP, Waterloo, and
Winsock. mtest and a version of Pine called PC Pine run under DOS.
You do not use imap-4.5/Makefile under DOS, nor do you build any
components other than c-client and mtest. Merge the contents of
imap-4.5/src/c-client, imap-4.5/src/charset, imap-4.5/src/mtest, and
imap-4.5/src/osdep/dos onto a single directory on DOS and build from that. The
MAKE command on DOS takes an argument identifying the TCP/IP stack in use. For
example, do:
MAKE MAKEFILE OS=WSK (or MAKE -F MAKEFILE OS=WSK)
to build for Winsock.
If you write a program for DOS/Win16, you will probably have to write a
replacement cache manager (look at mm_cache()) and otherwise disable most of
c-client's caching. Even so, memory limitations will be an ongoing problem,
particularly with DOS, and you will have some severe performance problems.
It's a bit better on Win16, but in my opinion you are better off writing a
32-bit program and telling your Win16 customers to upgrade to Windows 95 or at
least install Win32s.
MACINTOSH BUILD NOTES
If you are building a Macintosh client, you will need MacTCP installed on
your system as well as the MacTCP C includes and libraries.
You do not use imap-4.5/Makefile on the Mac, nor do you build any
components other than c-client and mtest. Merge the contents of
imap-4.5/src/c-client, imap-4.5/src/charset, imap-4.5/src/mtest, and
imap-4.5/src/osdep/mac onto a single directory on the Mac and build from that.
mtext.sit.hqx is a THINK C project file and cute icon for building mtest,
encoded with Binhex and StuffIt.
THINK C is a truly wretched product which help make me understand why
Macintosh has lost most of its market share. Not only does it do cretinous
things such as barf about a cast in front of an lvalue, it also limits the size
of code *or* data in a single file to 32K! So much for having large character
set tables. Symantec says that "MacOS requires it, break up your files into
smaller pieces" yet somehow gcc under MachTen contrives to compile C programs
without subjecting the programmer to this idiocy.
As a result of this, I found myself obliged to comment out the #includes
of the East Asian character sets in utf8.c in order to get it to build. It's
also necessary to break up some of the files, at least mail.c and imap4r1.c.
Maybe you don't have to do this in CodeWarrior or whatever the new compiler is
called, but I've pretty much given up on Macintosh.
If you use precompiled headers, you may get some compilation errors since
some Apple symbols need to be redefined in order to get it to build under all
versions of MacOS. Try turning off the precompiled headers (so it will
re-read the .h files) and see if it builds any better.
If you use a Mac C compiler with 2-byte ints (such as THINK C's normal
mode) you will need to fix some bugs in the MacTCP C includes and libraries to
prevent it from generating bad code, since those MacTCP files violate Apple's
standards of always using explicit shorts or longs, never ints. You could
avoid this if you set 4-byte ints in THINK C; however, the ANSI and UNIX
libraries in THINK C use 2-byte ints so you will also need to build 4-byte int
versions of these. c-client itself is 2-byte int or 4-byte int clean; it can
be used in either mode.
The most important bug in the MacTCP files that you need to fix is in the
file AddressXlation.h, you need to change the definition of the rtnCode member
of the hostInfo structure to be long instead of int. There are several other
changes you need to make if you decide to compile dnr.c under THINK C instead
of using the Apple-supplied object file; see me for details if you decide to
undertake such an effort. This is fixed in newer versions from Apple.
TOPS-20 BUILD NOTES
I have provided a c-client port for TOPS-20 systems, but you're on your
own in terms of a nice TOPS-20 like main program. Maybe someday some nice
person will try porting Pine to TOPS-20. I recently built mtest on TOPS-20
(thank you, XKL!!), so the sources are known to compile with the ANSI C
version of KCC.
You do not use imap-4.5/Makefile under TOPS-20, nor do you build any
components other than c-client and mtest. Merge the contents of
imap-4.5/src/c-client, imap-4.5/src/charset, imap-4.5/src/mtest, and
imap-4.5/src/osdep/tops-20 onto a single directory on TOPS-20 and build from
that. The command:
DO BUILD.CTL
will build the sources. If you don't have MIC, then SUBMIT BUILD.CTL and let
BATCON execute it.
KCC loves to give lots of diagnostics about unused parameters. That's
perfectly alright; just ignore them.
VMS BUILD NOTES
You do not use imap-4.5/Makefile under VMS, nor do you build any
components other than c-client and mtest. Merge the contents of
imap-4.5/src/c-client, imap-4.5/src/charset, imap-4.5/src/mtest, and
imap-4.5/src/osdep/vms onto a single directory on VMS and build from that. The
command to build it is:
@BUILD MULTINET
or @BUILD NETLIB
If you just do @BUILD it will build with dummy TCP code, and since only TCP
based drivers are provided here this isn't too useful.
If you aren't on the Pacific coast of the US or Canada, you probably will
need to change the wired-in timezone in the BUILD.COM file. Apparently, the
wonderful VMS system that DEC loves so much doesn't maintain any concept of
time zone; the VMS C compiler returns a null pointer from gmtime()!
Otherwise you're pretty much on your own here.
AMIGA BUILD AND INSTALLATION NOTES
See the UNIX build notes. I can't tell you much more than that, since
the Amiga code was contributed.
WCE BUILD NOTES
I build using Visual C++ 5.0 with the WCE extensions. The current code
has SH3 wired in for the compiler building.
To build under NT, connect to the imap-4.5 directory and do:
nmake -f makefile.wce
The only binary produced is a cclient.lib file. I haven't gotten as far
as building mtest on WCE, mainly because I don't have a stdlib library.
OS2 BUILD NOTES
The OS2 port is incomplete. There are no plans to continue work on it.