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341 lines
12 KiB
341 lines
12 KiB
libpcap 0.7.1 and later appear to work on AIX when using AIX's native
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BPF; that appears to work better than DLPI does. Note that you may have
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to run AIX's tcpdump, as root, before configuring, building, and
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installing libpcap, in order to create the "/dev/bpf" devices and load
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the BPF driver.
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However, libpcap 0.7.1 doesn't work perfectly with AIX's BPF - it
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appears that AIX's BPF devices inform their user that packets were
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dropped since the last successful read by returning -1 and setting
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"errno" to EFAULT, which libpcap 0.7.1 treats as an error. The current
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CVS version of libpcap ignores EFAULT on AIX; it appears that this fixes
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the problem.
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Some earlier notes:
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The notes about libpcap may not apply, with libpcap 0.7.1 and later, but
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they're preserved here for historical reasons.
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The notes about glib, gtk+, and Ethereal may not apply, as we're now
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using GLib 2.x and GTK+ 2.x, and don't have our own gtkclist.c, but
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they're also preserved for historical reasons.
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After much work and toil, Craig Rodrigues was able to compile libpcap
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and Ethereal on AIX 4.3.2. His odyssey is document in various e-mails
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at https://www.wireshark.org/lists/ethereal-dev/199911/
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Here are a few excerpts. Note that, to configure "libpcap" to use DLPI
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rather than BPF (which it'll apparently use by default on AIX),
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specifying the flag
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--with-pcap=dlpi
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to the "configure" script for "libpcap" should do the trick.
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The source code changes to Ethereal mentioned below should be in the
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current source tree. The changes to the GLib configure script is in
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GLib 1.2.7; the changes for the "-lgdk" problem are probably still
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necessary in the current version of GTK+.
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Subject: Re: [ethereal-dev] Re: [ethereal-users] Problems compiling 0.7.7 under AIX 4.3.2
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From: Gilbert Ramirez <gram@xiexie.org>
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Date: Fri, 5 Nov 1999 16:58:17 -0600
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To: Guy Harris <guy@netapp.com>
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Cc: Craig Rodrigues <rodrigc@mediaone.net>, ethereal-dev@zing.org
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On Fri, Nov 05, 1999 at 01:42:44PM -0600, Guy Harris wrote:
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>
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>
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> Hmm.
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>
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> Looks suspiciously similar to the previous error; have you tried
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> recompiling GTK+ with "xlc_r"?
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I believe glib and gtk+ should both be compiled with xlc_r. I haven't
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compiled on AIX in a long time, but I think it's because glib is including
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pthread stuff, so the re-entrant C library, libc_r, is needed.
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Compiler Invocation
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When compiling a multi-threaded program, you should invoke the C compiler
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using one of the following commands:
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xlc_r
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Invokes the compiler with default language level of ansi.
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cc_r
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Invokes the compiler with default language level of extended.
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These commands ensure that the adequate options and libraries are used to be
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compliant with the X/Open Version 5 Standard. The POSIX Threads
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Specification 1003.1c is a subset of the X/Open Specification.
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The following libraries are automatically linked with your program when using these commands:
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libpthreads.a
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Threads library.
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libc.a
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Standard C library
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For example, the following command compiles the foo.c multi-threaded C source file and produces the foo executable file:
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cc_r -o foo foo.c
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See the cc command for more information about C For AIX.
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--gilbert
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To: ethereal-users@zing.org
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Subject: [ethereal-dev] AIX: gtk problem solved, now an ethereal problem
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From: Craig Rodrigues <rodrigc@mediaone.net>
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Date: Mon, 8 Nov 1999 10:46:25 -0500
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Cc: ethereal-dev@zing.org
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Hi,
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After much sweat and toil, I have managed to get gtk 1.2.6 to
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compile and not dump core under AIX. The solutions were to
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(1) apply the attached patch to the configure.ac in the glib-1.2.6
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subdirectory
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(2) In the file gtk+-1.2.6/gtk/Makefile, add a link flag -lgdk to link
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in gdk.
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I have submitted (1) to the gtk-devel mailing list where it has been
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accepted. (2) is an uglier problem, but for now, adding -lgdk by hand
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seems to work.
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Now I have a problem....I compiled gtk, and that works.
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I compiled ethereal (after some minor mods), and it starts,
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but when I click on Capture -> Start, I get:
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"There are no network interfaces that can be opened."
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I am running as root, so I don't think permissions are a problem.
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Any ideas?
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Thanks.
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--
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Craig Rodrigues
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http://www.gis.net/~craigr
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rodrigc@mediaone.net
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*** configure.ac.old Thu Oct 7 17:27:43 1999
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--- configure.ac Sun Nov 7 19:34:36 1999
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***************
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*** 795,809 ****
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fi
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if test "$ac_cv_func_getpwuid_r" = "yes"; then
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AC_MSG_CHECKING(whether getpwuid_r is posix like)
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! # getpwuid_r(0, NULL, NULL, 0) is the signature on
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! # solaris, if that is not found, the prog below won't
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! # compile, then the posix signature is assumed as
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! # the default.
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! AC_TRY_COMPILE([#include <pwd.h>],
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! [getpwuid_r(0, NULL, NULL, 0);],
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! [AC_MSG_RESULT(no)],
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! [AC_MSG_RESULT(yes)
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! AC_DEFINE(HAVE_GETPWUID_R_POSIX)])
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fi
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fi
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if test x"$have_threads" = xposix; then
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--- 795,809 ----
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fi
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if test "$ac_cv_func_getpwuid_r" = "yes"; then
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AC_MSG_CHECKING(whether getpwuid_r is posix like)
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! # The signature for the POSIX version is:
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! # int getpwuid_r(uid_t, struct passwd *, char *, size_t, struct passwd **)
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! AC_TRY_COMPILE([#include <pwd.h>
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! #include <sys/types.h>
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! #include <stdlib.h>],
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! [getpwuid_r((uid_t)0, NULL, NULL, (size_t)0, NULL);],
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! [AC_DEFINE(HAVE_GETPWUID_R_POSIX)
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! AC_MSG_RESULT(yes)],
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! [AC_MSG_RESULT(no)])
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fi
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fi
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if test x"$have_threads" = xposix; then
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To: ethereal-dev@zing.org
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Subject: Re: [ethereal-dev] AIX: gtk problem solved, now an ethereal problem
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From: Craig Rodrigues <rodrigc@mediaone.net>
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Date: Wed, 10 Nov 1999 12:18:47 -0500
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Hi,
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OK, I'm getting closer and closer to this working on AIX.
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Things I've done:
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(1) In a bunch of places in the code I removed '//' style C++ comments
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which the IBM C compiler didn't like.
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(2) I also found some places in the code like:
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enum some_enum { FOO, BAR, };
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IBM C did not like the trailing "," after BAR.
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(3) In packet-ipv6.h, IPV6_VERSION is defined, but that is already
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defined in <netinet/in.h> on AIX 4.3, so for now I just commented that out.
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(4) in packet-afs.c, when it sucks in <netinet/in.h>, in.h sucks in
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<sys/machine.h> which defines LITTLE_ENDIAN. This conflicts with
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LITTLE_ENDIAN in globals.h. So what I did was, in globals.h, I added:
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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So after doing all these things, I can compile ethereal and run it.
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I can list the
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correct network interfaces on my system: lo0 and en0. However,
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when I start capturing packets on en0, they are all of the protocol type
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"TRMAC" and "TR". The only problem is, I'm not on a Token Ring network.
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Any ideas?
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No. Time Source Destination Protocol Info
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1 0.000000 0a:30:a1:08:00:45 06:74:60:08:00:5a TR Token-Ring Unknown
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2 0.210304 0a:30:a1:08:00:45 06:74:60:08:00:5a TR Token-Ring Unknown
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3 0.926080 0a:30:a1:08:00:45 06:74:60:08:00:5a TR Token-Ring Unknown
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4 0.4236416 0a:30:a1:08:00:45 06:74:60:08:00:5a TR Token-Ring Unknown
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5 0.4712064 6f:06:74:60:08:00 5a:8a:30:a1:00:00 TR MAC Unknown Major Vector: 127
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---------------------
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It turns out that libpcap was using IFT_* numbers instead of DLT_* numbers for
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link types. That has been fixed
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---------------------
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To: tcpdump-workers@tcpdump.org
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Subject: [ethereal-dev] Sucess with libpcap under AIX
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From: Craig Rodrigues <rodrigc@mediaone.net>
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Date: Sat, 20 Nov 1999 03:34:50 -0500
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Cc: ethereal-dev@zing.org
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Hi,
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I have managed to successfully compile and use the latest
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snapshot of libpcap under AIX using DLPI. bpf is majorly
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brain-dead under AIX, and very unsupported. Rather than
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find all the bugs in AIX's bpf, I decided to try using
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dlpi, which is officially supported.
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The first step is to get the setup right. To determine if
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you have the dlpi driver loaded correctly, type:
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strload -q -d dlpi
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If the result is:
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dlpi: yes
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then you are ready to use dlpi.
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If you get:
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dlpi: no
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Then you need to type:
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strload -f /etc/dlpi.conf
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Check again with strload -q -d dlpi that the dlpi driver is loaded.
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I had to make one minor code change to pcap-dlpi.c. Maybe someone
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can explain it to me, because I am not familiar with dlpi or
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streams programming. It took me hours to figure this out, because
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I'm not familiar with dlpi.
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In pcap-dlpi.c, lines 316-320:
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#if !defined(HAVE_HPUX9) && !defined(HAVE_HPUX10_20) && !defined(sinix)
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if (dlbindreq(p->fd, 0, ebuf) < 0 ||
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dlbindack(p->fd, (char *)buf, ebuf) < 0)
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goto bad;
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#endif
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I changed it to:
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#if !defined(HAVE_HPUX9) && !defined(HAVE_HPUX10_20) && !defined(sinix)
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if (dlbindreq(p->fd, 1620, ebuf) < 0 ||
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dlbindack(p->fd, (char *)buf, ebuf) < 0)
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goto bad;
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#endif
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I picked the number 1620 out of thin air. The second parameter
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to dlbindreq() sets the value of dl_sap. This dl_sap
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value is then passed along to the DLPI driver through
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the DL_BIND_REQ primitive. I guess that it cannot be 0 under
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AIX, but I'm not sure.
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If someone knows anything about DLPI, I'd appreciate a clarification.
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Basically, I am just using the DLPI specification at:
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http://www.opengroup.org/onlinepubs/009638599/ which is pretty good.
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The AIX documentation is not so well written.
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But basically, after I fixed up pcap-dlpi.c, I managed to get libpcap
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working under AIX. This enabled me to successfully run Ethereal,
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ie. all the packets on my Ethernet network correctly showed up
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as Ethernet and not Token Ring in the Wireshark screen.
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YAY!
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--
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Craig Rodrigues
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http://www.gis.net/~craigr
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rodrigc@mediaone.net
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Date: Thu, 11 Nov 1999 23:47:02 -0500
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From: Craig Rodrigues <rodrigc@mediaone.net>
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To: ethereal-dev@zing.org
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Subject: Re: [ethereal-dev] AIX: gtk problem solved, now an ethereal problem
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On Thu, Nov 11, 1999 at 11:50:23AM -0800, Guy Harris wrote:
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> > The only differences between gtkclist.c in the gtk distribution and
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> > gtkclist.c in the ethereal distribution relate to the ROW_ELEMENT
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> > macro. It looks like an optimization for retrieving the GList item
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> > when the requested row is the last row in the list.
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>
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> Yup - as per my other mail, Ethereal does that rather a lot when
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> building the CList, and the optimization changes quadratic behavior to
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> linear behavior.
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>
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> > Any ideas why this causes trouble?
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>
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> Mismatches between the layouts of data structures as declared in the
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> "gtk/gtk*.h" files in the Wireshark source tree and the layouts as
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> declared in the header files in the GTK+ source (either due to header
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> file differences - although the header files appear to be identical to
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> the GTK+ 1.2.6 ones - or due to compiler behavior differences)?
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I tried stepping things through the debugger, and constantly
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hit the same segfault inside gdk_string_width(), line 308 of gdkfont.c
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Fails on line: switch(font->type),
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where *font is: (type = -1, ascent = -1, descent = -1)
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Stack trace:
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gdk_string_width(font = 0x7caf01a4, string = "../"), line 308 in "gdkfont.c"
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gtk_file_selection_populate(fs = 0x20094468, rel_path = "", try_complete = 0), line 1341 in "gtkfilesel.c"
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gtk_file_selection_init(filesel = 0x20094468), line 513 in "gtkfilesel.c"
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gtk_type_new(0xc315), line 403 in "gtktypeutils.c"
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gtk_file_selection_new(title = "Ethereal: Open Capture File"), line 524 in "gtkfilesel.c"
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file_open_cmd_cb(0x200640f4, 0x0), line 79 in "file_dlg.c"
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Removing gtkclist.o from libui.a and recompiling removed this problem.
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Any ideas? I'm stumped.
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--
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Craig Rodrigues
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http://www.gis.net/~craigr
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rodrigc@mediaone.net
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