[pptp-server] PPTP Kernel patches

Joey Coco anesthes at cisdi.com
Fri Oct 20 11:16:59 CDT 2000 

Thank you. I was reading from some old dox and a RFC I found. I should
probably have searched a little beter on the topic. Thanks again.

-- Joe


On Fri, 20 Oct 2000, Philip Van Baren wrote:

> Its in the PoPToP FAQ.  See http://poptop.lineo.com/help.html for the full
> list of docs.
> 
> > -----Original Message-----
> > From: Joey Coco [mailto:anesthes at cisdi.com]
> > Sent: Friday, October 20, 2000 12:05 PM
> > To: Philip Van Baren
> > Cc: pptp-server at lists.schulte.org
> > Subject: RE: [pptp-server] PPTP Kernel patches
> >
> >
> >
> >
> > Hi,
> >
> > Thanks..  Curiously, what dox are you reading?? My install dox don't
> > seem to have this anywhere?
> >
> > Thanks again.
> >
> > -- Joe
> >
> >
> > On Fri, 20 Oct 2000, Philip Van Baren wrote:
> >
> > > 7.4 Errors while building pppd, pptpd, and kernel modules
> > >
> > > 7.4.1.	Get PPP_VERSION or PPP_MAGIC undefined error
> > message while compiling
> > > ppp kernel modules
> > >
> > > 	Solution: add the following lines to
> > /usr/src/linux/include/linux/if_ppp.h
> > > 		#define PPP_VERSION "2.3.11"
> > > 		#define PPP_MAGIC   0x5002  /* Magic value for the
> > ppp structure */
> > >
> > >
> > > > -----Original Message-----
> > > > From: Joey Coco [mailto:anesthes at cisdi.com]
> > > > Sent: Friday, October 20, 2000 11:52 AM
> > > > To: Phil Van Baren
> > > > Cc: pptp-server at lists.schulte.org
> > > > Subject: RE: [pptp-server] PPTP Kernel patches
> > > >
> > > >
> > > >
> > > >
> > > > Hi,
> > > >
> > > > Did anyone happen to get this problem on make modules.  PPP-2.3.11,
> > > > kernel 2.2.17, and the ppp-2.3.11-openssl-0.9.5-mppe.patch.gz
> > patch from
> > > > ftp://ftp.binarix.com/pub/ppp-mppe/
> > > >
> > > > ppp.c:3139: `PPP_MAGIC' undeclared (first use in this function)
> > > > ppp.c: In function `cleanup_module':
> > > > ppp.c:3345: `PPP_MAGIC' undeclared (first use in this function)
> > > > make[2]: *** [ppp.o] Error 1
> > > > make[2]: Leaving directory `/usr/src/linux/drivers/net'
> > > > make[1]: *** [_modsubdir_net] Error 2
> > > > make[1]: Leaving directory `/usr/src/linux/drivers'
> > > > make: *** [_mod_drivers] Error 2
> > > > demo:/usr/src/linux#
> > > >
> > > > Curious if perhaps the RC4 files from this patch are causing it?
> > > > I did a grep of PPP_MAGIC and the only reference I can find to it is
> > > > in ppp.c.
> > > >
> > > > I'll continue to debug this if noone has a solution. I tried adding a
> > > > define to PPP_MAGIC to see if that will fix it, and it broke
> > other things.
> > > > I'll keep sifting through the code to see what its used for. But any
> > > > help would be appreciated..
> > > >
> > > > -- Joe
> > > >
> > > >
> > > > On Wed, 18 Oct 2000, Phil Van Baren wrote:
> > > >
> > > > > The docs were wrong when they told you to remove the #include
> > > > "rc4_skey.c"
> > > > > line.  The version of SSLeay that you are using requires this file.
> > > > >
> > > > >
> > > > >
> > > > > 7.4.3.	Get symbols not defined for ppp_mppe module when
> > > > doing "depmod -a"
> > > > >
> > > > > 	Solution: Probably missing some of the rc4* files (most
> > > > likely rc4_skey.c)
> > > > > 		This typically happens when getting rc4* files from
> > > > a different source
> > > > > 		than was suggested in the corresponding patch file.
> > > >  If I remember right,
> > > > > 		if you use the SSLeay-0.6.6 files you don't have an
> > > > rc4_skey.c file,
> > > > > 		but if you use the SSLeay-0.9.0 files you must have
> > > > the rc4_skey.c file.
> > > > > 		Using OpenSSL-0.9.5 may have different requirements.
> > > > > 		Best solution is to use the complete patch for your
> > > > appropriate ppp
> > > > > version
> > > > > 		from the following ftp server, as these patches
> > > > include the rc4* files:
> > > > > 			ftp://ftp.binarix.com/pub/ppp-mppe/
> > > > >
> > > > >
> > > > >
> > > > > > -----Original Message-----
> > > > > > From: pptp-server-admin at lists.schulte.org
> > > > > > [mailto:pptp-server-admin at lists.schulte.org]On Behalf Of Joey Coco
> > > > > > Sent: Wednesday, October 18, 2000 11:10 PM
> > > > > > To: pptp-server at lists.schulte.org
> > > > > > Subject: [pptp-server] PPTP Kernel patches
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > Hey guys,
> > > > > >
> > > > > > I patched pppd, as well as my kernel according to dox. I compiled
> > > > > > PPP as a module, and I now have the following modules under
> > > > > > kernel 2.2.17:
> > > > > >
> > > > > > bsd_comp.o
> > > > > > ip_masq_cuseeme.o
> > > > > > ip_masq_ftp.o
> > > > > > ip_masq_irc.o
> > > > > > ip_masq_quake.o
> > > > > > ip_masq_raudio.o
> > > > > > ip_masq_user.o
> > > > > > ip_masq_vdolive.o
> > > > > > ppp.o
> > > > > > ppp_deflate.o
> > > > > > ppp_mppe.o
> > > > > >
> > > > > > When I load these modules I get the following:
> > > > > >
> > > > > > /lib/modules/current/ppp_mppe.o: unresolved symbol RC4_set_key
> > > > > >
> > > > > > As well, when I try to connect to the server with a win98 client,
> > > > > > I get the following error with software compression and encryption
> > > > > > enabled:
> > > > > >
> > > > > > error 720: could not negotiate a compatible set of
> > network protocols.
> > > > > >
> > > > > > Without encryption and compression it connects, but oddly
> > enough does
> > > > > > NOT give my client an IP address. Only CHAP shows up in
> > the details
> > > > > > box, yet this is the process running on my box:
> > > > > >
> > > > > > 28715 ?        S   0:00 /usr/sbin/pppd local 115200
> > > > > > 192.168.0.2:192.168.0.10
> > > > > >
> > > > > >
> > > > > > Here is the debug output:
> > > > > >
> > > > > > Oct 19 10:15:33 demo pppd[28715]: rcvd [CHAP Response id=0x1
> > > > > > <29e911d16443b14ab796f4f426957a212e084868f167478c8e35306e0165e601f
> > > > > > c4ec276d3dd1f55b77ccb6a451dd42301>,
> > > > > > name = "jrcole"]
> > > > > > Oct 19 10:15:33 demo pppd[28715]: sent [CHAP Success id=0x1
> > > > "Welcome to
> > > > > > demo."]
> > > > > > Oct 19 10:15:33 demo pppd[28715]: sent [IPCP ConfReq id=0x1 <addr
> > > > > > 192.168.0.2> <compress VJ 0f 01>]
> > > > > > Oct 19 10:15:33 demo pppd[28715]: sent [CCP ConfReq id=0x1
> > > > <deflate 15>
> > > > > > <deflate(old#) 15> <bsd v1 15>]
> > > > > > Oct 19 10:15:33 demo pppd[28715]: rcvd [LCP ProtRej id=0x3 80
> > > > 21 01 01 00
> > > > > > 10 03
> > > > > > 06 c0 a8 00 02 02 06 00 2d 0f 01]
> > > > > > Oct 19 10:15:33 demo pppd[28715]: rcvd [LCP ProtRej id=0x4 80
> > > > fd 01 01 00
> > > > > > 0f 1a
> > > > > > 04 78 00 18 04 78 00 15 03 2f]
> > > > > > Oct 19 10:16:32 demo pptpd[28714]: CTRL: Received PPTP
> > Control Message
> > > > > > (type: 5)Oct 19 10:16:32 demo pptpd[28714]: CTRL: Made a ECHO
> > > > RPLY packet
> > > > > > Oct 19 10:16:32 demo pptpd[28714]: CTRL: I wrote 20 bytes to
> > > > the client.
> > > > > > Oct 19 10:16:32 demo pptpd[28714]: CTRL: Sent packet to client
> > > > > >
> > > > > >
> > > > > > Here is the same debug output when using softare compression and
> > > > > > encryption:
> > > > > >
> > > > > > Oct 19 10:18:03 demo pppd[28726]: rcvd [CCP ConfReq id=0x1
> > > > <mppe 1 0 0 31>
> > > > > > <lzs
> > > > > > 0 1 4>]
> > > > > > Oct 19 10:18:03 demo pppd[28726]: sent [CCP ConfRej id=0x1
> > > > <mppe 1 0 0 60>
> > > > > > <lzs
> > > > > > 0 1 4>]
> > > > > > Oct 19 10:18:03 demo pppd[28726]: rcvd [LCP ProtRej id=0x3 80
> > > > 21 01 01 00
> > > > > > 10 03
> > > > > > 06 c0 a8 00 01 02 06 00 2d 0f 01]
> > > > > > Oct 19 10:18:03 demo pppd[28726]: rcvd [CCP ConfRej id=0x1
> > > > <deflate 15>
> > > > > > <deflate(old#) 15> <bsd v1 15>]
> > > > > > Oct 19 10:18:03 demo pppd[28726]: sent [CCP ConfReq id=0x2]
> > > > > > Oct 19 10:18:03 demo pppd[28726]: rcvd [CCP ConfReq id=0x2]
> > > > > > Oct 19 10:18:03 demo pppd[28726]: sent [CCP ConfAck id=0x2]
> > > > > > Oct 19 10:18:03 demo pppd[28726]: rcvd [CCP ConfAck id=0x2]
> > > > > > Oct 19 10:18:03 demo pppd[28726]: rcvd [CCP TermReq id=0x3]
> > > > > > Oct 19 10:18:03 demo pppd[28726]: sent [CCP TermAck id=0x3]
> > > > > >
> > > > > >
> > > > > >  Does anyone have any insight on why this would be
> > bahaving this way?
> > > > > > perhaps I misunderstood a step somewhere.. I'm curious tho why no
> > > > > > IP address is recieved by the win98 client.  BTW the
> > version of PPPD
> > > > > > being used is 2.3.8.
> > > > > >
> > > > > >
> > > > > > Thanks.
> > > > > >
> > > > > > -- Joe
> > > > > >
> > > > > > _______________________________________________
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> > > > > >
> > > > >
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> > > > >
> > > >
> > >
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> > >
> >
> 
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