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QueSO determines a remote OS by sending simple TCP packets and analysing
the result.
This commit is contained in:
David E. O'Brien
parent
70364f181b
commit
0d9972514b
Notes:
svn2git
2021-03-31 03:12:20 +00:00
svn path=/head/; revision=14169
37
net/queso/Makefile
Normal file
37
net/queso/Makefile
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@ -0,0 +1,37 @@
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# ex:ts=8
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# Ports collection makefile for: Queso
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# Version required: 980922
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# Date created: 13 Oct 1998
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# Whom: Wu Ching-hong <woju@freebsd.ee.ntu.edu.tw>
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# and David O'Brien (obrien@NUXI.com)
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#
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# $Id: Makefile,v 1.2 1997/01/25 18:08:40 obrien Exp $
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#
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DISTNAME= queso-980922
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CATEGORIES= net security
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MASTER_SITES= ftp://apostols.org/AposTools/snapshots/ \
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ftp://ftp.ee.lbl.gov/ \
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ftp://freebsd.ntu.edu.tw/freebsd/_distfiles/
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DISTFILES= queso-980922.tar.gz
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MAINTAINER= woju@freebsd.ee.ntu.edu.tw
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OSVERSION!= sysctl -n kern.osreldate
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GNU_CONFIGURE= yes
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.if ${OSVERSION} < 300004
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DISTFILES+= libpcap-0.4.tar.Z
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post-patch:
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@cd ${WRKSRC}/../libpcap-0.4/; ./configure; make
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.endif
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post-install:
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#${INSTALL_PROGRAM} ${WRKSRC}/queso ${PREFIX}/sbin
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#${INSTALL_DATA} ${WRKSRC}/queso.conf ${PREFIX}/etc
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.if !defined(NOPORTDOCS)
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@${MKDIR} ${PREFIX}/share/doc/queso
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${INSTALL_DATA} ${WRKSRC}/Documentation.txt ${PREFIX}/share/doc/queso
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.endif
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.include <bsd.port.mk>
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2
net/queso/distinfo
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2
net/queso/distinfo
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@ -0,0 +1,2 @@
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MD5 (queso-980922.tar.gz) = bb679333867765de866d89d3fcba8a20
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MD5 (libpcap-0.4.tar.Z) = 3e0025a24218d327b152075c70a578e9
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81
net/queso/files/patch-01
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81
net/queso/files/patch-01
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@ -0,0 +1,81 @@
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--- tcpip.c.orig Tue Sep 22 13:35:43 1998
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+++ tcpip.c Sat Oct 24 11:46:58 1998
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@@ -25,6 +25,12 @@
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#include <stdarg.h>
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#include <net/if.h>
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+#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__bsdi__)
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+#include <err.h>
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+#include <errno.h>
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+#include <sysexits.h>
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+#endif
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+
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#include "tcpip.h"
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/*-- LINUX routilng TABLES */
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@@ -333,7 +339,64 @@
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}
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}
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-#else /* !LINUX ---------------------------------------------- OTHER --*/
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+/*------------------------------- FreeBSD / OpenBSD / NetBSD / BSDI --*/
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+#elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__bsdi__)
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+/*
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+ FreeBSD Ref: /usr/share/examples/find_interface/
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+*/
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+ struct sockaddr_in local, remote;
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+ int s, rv, namelen;
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+
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+ remote.sin_addr.s_addr = dest;
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+ remote.sin_port = htons(60000);
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+ remote.sin_family = AF_INET;
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+ remote.sin_len = sizeof remote;
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+
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+ local.sin_addr.s_addr = htonl(INADDR_ANY);
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+ local.sin_port = htons(60000);
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+ local.sin_family = AF_INET;
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+ local.sin_len = sizeof local;
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+
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+ s = socket(PF_INET, SOCK_DGRAM, 0);
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+ if (s < 0)
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+ err(EX_OSERR, "socket");
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+
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+ do
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+ {
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+ rv = bind(s, (struct sockaddr *)&local, sizeof local);
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+ local.sin_port = htons(ntohs(local.sin_port) + 1);
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+ } while(rv < 0 && errno == EADDRINUSE);
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+
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+ if (rv < 0)
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+ err(EX_OSERR, "bind");
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+
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+ do
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+ {
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+ rv = connect(s, (struct sockaddr *)&remote, sizeof remote);
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+ remote.sin_port = htons(ntohs(remote.sin_port) + 1);
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+ } while(rv < 0 && errno == EADDRINUSE);
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+
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+ if (rv < 0)
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+ err(EX_OSERR, "bind");
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+
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+ do
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+ {
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+ rv = connect(s, (struct sockaddr *)&remote, sizeof remote);
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+ remote.sin_port = htons(ntohs(remote.sin_port) + 1);
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+ } while(rv < 0 && errno == EADDRINUSE);
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+
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+ if (rv < 0)
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+ err(EX_OSERR, "connect");
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+
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+ namelen = sizeof local;
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+ rv = getsockname(s, (struct sockaddr *)&local, &namelen);
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+
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+ if (rv < 0)
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+ err(EX_OSERR, "getsockname");
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+
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+ return local.sin_addr;
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+
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+#else /* !LINUX && !BSD ---------------------------------- OTHER --*/
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struct sockaddr_in sin;
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char myname[80];
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19
net/queso/files/patch-02
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19
net/queso/files/patch-02
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--- configure.orig Tue Sep 22 13:42:29 1998
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+++ configure Sat Oct 24 11:56:57 1998
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@@ -1110,6 +1110,16 @@
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;;
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esac
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;;
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+FreeBSD)
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+ PCAP=1
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+ case "`uname -m`" in
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+ i386)
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+ unset NEEDS_HTONS_IP_LEN
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+ ;;
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+ alpha)
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+ ;;
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+ esac
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+ ;;
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*)
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PCAP=1
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;;
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1
net/queso/pkg-comment
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1
net/queso/pkg-comment
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@ -0,0 +1 @@
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Determine the remote OS using simple tcp packets
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21
net/queso/pkg-descr
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21
net/queso/pkg-descr
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@ -0,0 +1,21 @@
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QueSO homepage -- http://www.apostols.org/projectz/queso/
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How we can determine the remote OS using simple tcp packets? Well,
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it's easy, they're packets that don't make any sense, so the RFCs
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don't clearly state what to answer in these kind of situations.
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Facing this ambiguous, each TCP/IP stack takes a different approach
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to the problem, and this way, we get a different response. In some
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cases (like Linux, to name one) some programming mistakes make the OS
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detectable.
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QueSO sends:
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0 SYN * THIS IS VALID, used to verify LISTEN
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1 SYN+ACK
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2 FIN
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3 FIN+ACK
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4 SYN+FIN
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5 PSH
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6 SYN+XXX+YYY * XXX & YYY are unused TCP flags
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All packets have a random seq_num and a 0x0 ack_num.
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3
net/queso/pkg-plist
Normal file
3
net/queso/pkg-plist
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@ -0,0 +1,3 @@
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sbin/queso
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etc/queso.conf
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share/doc/queso/Documentation.txt
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