Date: Sun, 21 Jun 1998 11:46:45 +0100 From: Brian Somers <brian@Awfulhak.org> To: freebsd-hackers@FreeBSD.ORG, Charles Mott <cmott@srv.net>, Ari Suutari <ari@suutari.iki.fi> Subject: CUSEEME Message-ID: <199806211046.LAA14433@awfulhak.org>
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[-- Attachment #1 --] Hi, Is anyone in a position to test these patches to libalias ? I have no way of testing them myself, but the job looked so straight forward that I thought I'd give it a shot. I've attached the patches because they're reasonably small (<4k). The patches are against libalias in -current. If you're not running -current, you can download the latest ppp from http://www.Awfulhak.org/ppp/ and use the libalias from there. The patched libalias *should* provide CUSEEME support for more than one host behind a natd/ppp -alias gateway, but I must stress, I've no way of testing it here. Thanks. -- Brian <brian@Awfulhak.org>, <brian@FreeBSD.org>, <brian@OpenBSD.org> <http://www.Awfulhak.org>; Don't _EVER_ lose your sense of humour.... [-- Attachment #2 --] J{5 WmoFW ڢlZi+(MQK\(X\ZPJ. ,I_8H,jgwy٥9c+^}o U''ڻӷowoޢp > gV ^eO˼ς߁oャ 3~ z0;],3)ϏǨ~_к=%%F!%pª l1p[G?,i:U>EQ$ (9 i\ y.2~W&'!`O O,`r'~Qrf3-EY!xS e+":K xb I7J8ȓ{d֭grR$Za=" #V)]@*=zI*xs1^)t 7 bc2v'@pÆ"5`e)LbI;|` I. gj`Fte7.oѩ:Su>͜;q:eï6[r*߂mpqZ1t[cܱ1R t`f\NsL@+niS^3ù&3&;S-X´e456lm7>wY&by#Br&Cmذt!:' 5Cp3셮#պUo'k u*͵k:pecBax[n`fR0QB7>_!u3nY1yMz,563jdZ)PfEJTF45f⮨ sjf\sM'In [a &7J+V>6JWcAXQՌ9HM+.k#?;x/gc~, ,// b"K_oi嗝1=5/|2?ĆGE (e9GNzB /W<~ sL4 OQz0JO`}6k7c9U~ y6~ /fɨi$E1x[ji:lW4xI xzAZ$bD. 6/Vw8eEQ e,KdKcv~˨q(F}:sQDLUoHњi/y I=Zլq~sR\g gqT aR Oz5 ѭ`5 ZHAU< !2cbZc#Ρv% C_{ף[G+ r FMUjtAP&rE%jZ4p6" ֊e8:w RT]W ϫ6,Ä'`MjY c{oQ:^7kD +1=wh5<Ѣ$d^k[sm 합g/$XNni̞W ߑ"2* Ojd/c{gϭ=r5 7iМh҃,V&˒Z\fp+f]0Ӡ1Ayf&^Ӑ&ͫ6ĩ MmK t'5ipWݐMKDː]Ӄsuh:k9JϏ&Џ.0=*ļ"| Pã[ *()/{9S >ͅM2 |zZkZkZkZkZkZkF ( [-- Attachment #3 --] Index: Makefile =================================================================== RCS file: /home/ncvs/src/lib/libalias/Makefile,v retrieving revision 1.6 diff -u -r1.6 Makefile --- Makefile 1998/05/24 03:03:09 1.6 +++ Makefile 1998/06/12 00:07:27 @@ -2,8 +2,8 @@ SHLIB_MAJOR= 2 SHLIB_MINOR= 5 CFLAGS+=-Wall -I${.CURDIR} -SRCS= alias.c alias_db.c alias_ftp.c alias_irc.c alias_util.c alias_old.c \ - alias_nbt.c +SRCS= alias.c alias_cuseeme.c alias_db.c alias_ftp.c alias_irc.c \ + alias_nbt.c alias_old.c alias_util.c MAN3=libalias.3 Index: alias.c =================================================================== RCS file: /home/ncvs/src/lib/libalias/alias.c,v retrieving revision 1.7 diff -u -r1.7 alias.c --- alias.c 1998/06/10 00:26:19 1.7 +++ alias.c 1998/06/12 00:34:47 @@ -99,6 +99,7 @@ #define FTP_CONTROL_PORT_NUMBER 21 #define IRC_CONTROL_PORT_NUMBER_1 6667 #define IRC_CONTROL_PORT_NUMBER_2 6668 +#define CUSEEME_PORT_NUMBER 7648 /* The following macro is used to update an @@ -623,6 +624,9 @@ &ud->uh_dport ); } + if (ntohs(ud->uh_dport) == CUSEEME_PORT_NUMBER) + AliasHandleCUSeeMeIn(pip, original_address); + /* If UDP checksum is not zero, then adjust since destination port */ /* is being unaliased and destination port is being altered. */ if (ud->uh_sum != 0) @@ -667,6 +671,9 @@ alias_address = GetAliasAddress(link); alias_port = GetAliasPort(link); + + if (ntohs(ud->uh_dport) == CUSEEME_PORT_NUMBER) + AliasHandleCUSeeMeOut(pip, link); /* If NETBIOS Datagram, It should be alias address in UDP Data, too */ if (ntohs(ud->uh_dport) == NETBIOS_DGM_PORT_NUMBER Index: alias_local.h =================================================================== RCS file: /home/ncvs/src/lib/libalias/alias_local.h,v retrieving revision 1.5 diff -u -r1.5 alias_local.h --- alias_local.h 1998/06/06 21:52:37 1.5 +++ alias_local.h 1998/06/12 00:38:41 @@ -92,6 +92,8 @@ void AliasHandleIrcOut(struct ip *pip, struct alias_link *link, int maxsize ); void AliasHandleUdpNbt(struct ip *, struct alias_link *, struct in_addr *, u_short); void AliasHandleUdpNbtNS(struct ip *, struct alias_link *, struct in_addr *, u_short *, struct in_addr *, u_short *); +void AliasHandleCUSeeMeOut(struct ip *, struct alias_link *); +void AliasHandleCUSeeMeIn(struct ip *, struct in_addr);help
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