dsniff, still segfaults, but some tools work fine urlsnarf,..

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@1199 3c298f89-4303-0410-b956-a3cf2f4a3e73

4 files changed, 937 insertions, 0 deletions

diff --git a/package/dsniff/patches/dns.patch b/package/dsniff/patches/dns.patch
new file mode 100644
index 000000000..e5cf8b2af
--- /dev/null
+++ b/package/dsniff/patches/dns.patch
@@ -0,0 +1,704 @@
+diff -Nur dsniff-2.3/dns.c dsniff-2.3.patched/dns.c
+--- dsniff-2.3/dns.c	1970-01-01 01:00:00.000000000 +0100
++++ dsniff-2.3.patched/dns.c	2005-06-09 14:06:36.000000000 +0200
+@@ -0,0 +1,677 @@
++/*
++ * Copyright (c) 1985, 1993
++ *    The Regents of the University of California.  All rights reserved.
++ * 
++ * Redistribution and use in source and binary forms, with or without
++ * modification, are permitted provided that the following conditions
++ * are met:
++ * 1. Redistributions of source code must retain the above copyright
++ *    notice, this list of conditions and the following disclaimer.
++ * 2. Redistributions in binary form must reproduce the above copyright
++ *    notice, this list of conditions and the following disclaimer in the
++ *    documentation and/or other materials provided with the distribution.
++ * 4. Neither the name of the University nor the names of its contributors
++ *    may be used to endorse or promote products derived from this software
++ *    without specific prior written permission.
++ * 
++ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
++ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
++ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
++ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
++ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
++ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
++ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
++ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
++ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
++ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
++ * SUCH DAMAGE.
++ */
++
++/*
++ * Portions Copyright (c) 1993 by Digital Equipment Corporation.
++ * 
++ * Permission to use, copy, modify, and distribute this software for any
++ * purpose with or without fee is hereby granted, provided that the above
++ * copyright notice and this permission notice appear in all copies, and that
++ * the name of Digital Equipment Corporation not be used in advertising or
++ * publicity pertaining to distribution of the document or software without
++ * specific, written prior permission.
++ * 
++ * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
++ * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
++ * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
++ * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
++ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
++ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
++ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
++ * SOFTWARE.
++ */
++
++/*
++ * Portions Copyright (c) 1996-1999 by Internet Software Consortium.
++ *
++ * Permission to use, copy, modify, and distribute this software for any
++ * purpose with or without fee is hereby granted, provided that the above
++ * copyright notice and this permission notice appear in all copies.
++ *
++ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
++ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
++ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
++ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
++ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
++ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
++ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
++ * SOFTWARE.
++ */
++
++/*
++ * Copyright (c) 1996,1999 by Internet Software Consortium.
++ *
++ * Permission to use, copy, modify, and distribute this software for any
++ * purpose with or without fee is hereby granted, provided that the above
++ * copyright notice and this permission notice appear in all copies.
++ *
++ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
++ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
++ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
++ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
++ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
++ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
++ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
++ * SOFTWARE.
++ */
++
++/*
++ *
++ * DNS helper functions not implemented in uclibc
++ *
++ */
++
++
++#include <sys/types.h>
++#include <sys/param.h>
++#include <netinet/in.h>
++#include <arpa/nameser.h>
++#include <ctype.h>
++#include <resolv.h>
++#include <stdio.h>
++#include <string.h>
++#include <unistd.h>
++
++static const char	digits[] = "0123456789";
++
++/* Forward. */
++
++static int		special(int);
++static int		printable(int);
++static int		dn_find(const u_char *, const u_char *,
++				const u_char * const *,
++				const u_char * const *);
++
++
++/*
++ * ns_name_ntop(src, dst, dstsiz)
++ *	Convert an encoded domain name to printable ascii as per RFC1035.
++ * return:
++ *	Number of bytes written to buffer, or -1 (with errno set)
++ * notes:
++ *	The root is returned as "."
++ *	All other domains are returned in non absolute form
++ */
++int
++ns_name_ntop(const u_char *src, char *dst, size_t dstsiz) {
++	const u_char *cp;
++	char *dn, *eom;
++	u_char c;
++	u_int n;
++
++	cp = src;
++	dn = dst;
++	eom = dst + dstsiz;
++
++	while ((n = *cp++) != 0) {
++		if ((n & NS_CMPRSFLGS) != 0) {
++			/* Some kind of compression pointer. */
++			return (-1);
++		}
++		if (dn != dst) {
++			if (dn >= eom) {
++				return (-1);
++			}
++			*dn++ = '.';
++		}
++		if (dn + n >= eom) {
++			return (-1);
++		}
++		for ((void)NULL; n > 0; n--) {
++			c = *cp++;
++			if (special(c)) {
++				if (dn + 1 >= eom) {
++					return (-1);
++				}
++				*dn++ = '\\';
++				*dn++ = (char)c;
++			} else if (!printable(c)) {
++				if (dn + 3 >= eom) {
++					return (-1);
++				}
++				*dn++ = '\\';
++				*dn++ = digits[c / 100];
++				*dn++ = digits[(c % 100) / 10];
++				*dn++ = digits[c % 10];
++			} else {
++				if (dn >= eom) {
++					return (-1);
++				}
++				*dn++ = (char)c;
++			}
++		}
++	}
++	if (dn == dst) {
++		if (dn >= eom) {
++			return (-1);
++		}
++		*dn++ = '.';
++	}
++	if (dn >= eom) {
++		return (-1);
++	}
++	*dn++ = '\0';
++	return (dn - dst);
++}
++
++/*
++ * ns_name_pton(src, dst, dstsiz)
++ *	Convert a ascii string into an encoded domain name as per RFC1035.
++ * return:
++ *	-1 if it fails
++ *	1 if string was fully qualified
++ *	0 is string was not fully qualified
++ * notes:
++ *	Enforces label and domain length limits.
++ */
++
++int
++ns_name_pton(const char *src, u_char *dst, size_t dstsiz) {
++	u_char *label, *bp, *eom;
++	int c, n, escaped;
++	char *cp;
++
++	escaped = 0;
++	bp = dst;
++	eom = dst + dstsiz;
++	label = bp++;
++
++	while ((c = *src++) != 0) {
++		if (escaped) {
++			if ((cp = strchr(digits, c)) != NULL) {
++				n = (cp - digits) * 100;
++				if ((c = *src++) == 0 ||
++				    (cp = strchr(digits, c)) == NULL) {
++					return (-1);
++				}
++				n += (cp - digits) * 10;
++				if ((c = *src++) == 0 ||
++				    (cp = strchr(digits, c)) == NULL) {
++					return (-1);
++				}
++				n += (cp - digits);
++				if (n > 255) {
++					return (-1);
++				}
++				c = n;
++			}
++			escaped = 0;
++		} else if (c == '\\') {
++			escaped = 1;
++			continue;
++		} else if (c == '.') {
++			c = (bp - label - 1);
++			if ((c & NS_CMPRSFLGS) != 0) {	/* Label too big. */
++				return (-1);
++			}
++			if (label >= eom) {
++				return (-1);
++			}
++			*label = c;
++			/* Fully qualified ? */
++			if (*src == '\0') {
++				if (c != 0) {
++					if (bp >= eom) {
++						return (-1);
++					}
++					*bp++ = '\0';
++				}
++				if ((bp - dst) > MAXCDNAME) {
++					return (-1);
++				}
++				return (1);
++			}
++			if (c == 0 || *src == '.') {
++				return (-1);
++			}
++			label = bp++;
++			continue;
++		}
++		if (bp >= eom) {
++			return (-1);
++		}
++		*bp++ = (u_char)c;
++	}
++	c = (bp - label - 1);
++	if ((c & NS_CMPRSFLGS) != 0) {		/* Label too big. */
++		return (-1);
++	}
++	if (label >= eom) {
++		return (-1);
++	}
++	*label = c;
++	if (c != 0) {
++		if (bp >= eom) {
++			return (-1);
++		}
++		*bp++ = 0;
++	}
++	if ((bp - dst) > MAXCDNAME) {	/* src too big */
++		return (-1);
++	}
++	return (0);
++}
++
++/*
++ * ns_name_ntol(src, dst, dstsiz)
++ *	Convert a network strings labels into all lowercase.
++ * return:
++ *	Number of bytes written to buffer, or -1 (with errno set)
++ * notes:
++ *	Enforces label and domain length limits.
++ */
++
++int
++ns_name_ntol(const u_char *src, u_char *dst, size_t dstsiz) {
++	const u_char *cp;
++	u_char *dn, *eom;
++	u_char c;
++	u_int n;
++
++	cp = src;
++	dn = dst;
++	eom = dst + dstsiz;
++
++	while ((n = *cp++) != 0) {
++		if ((n & NS_CMPRSFLGS) != 0) {
++			/* Some kind of compression pointer. */
++			return (-1);
++		}
++		*dn++ = n;
++		if (dn + n >= eom) {
++			return (-1);
++		}
++		for ((void)NULL; n > 0; n--) {
++			c = *cp++;
++			if (isupper(c))
++				*dn++ = tolower(c);
++			else
++				*dn++ = c;
++		}
++	}
++	*dn++ = '\0';
++	return (dn - dst);
++}
++
++/*
++ * ns_name_unpack(msg, eom, src, dst, dstsiz)
++ *	Unpack a domain name from a message, source may be compressed.
++ * return:
++ *	-1 if it fails, or consumed octets if it succeeds.
++ */
++int
++ns_name_unpack(const u_char *msg, const u_char *eom, const u_char *src,
++	       u_char *dst, size_t dstsiz)
++{
++	const u_char *srcp, *dstlim;
++	u_char *dstp;
++	int n, len, checked;
++
++	len = -1;
++	checked = 0;
++	dstp = dst;
++	srcp = src;
++	dstlim = dst + dstsiz;
++	if (srcp < msg || srcp >= eom) {
++		return (-1);
++	}
++	/* Fetch next label in domain name. */
++	while ((n = *srcp++) != 0) {
++		/* Check for indirection. */
++		switch (n & NS_CMPRSFLGS) {
++		case 0:
++			/* Limit checks. */
++			if (dstp + n + 1 >= dstlim || srcp + n >= eom) {
++				return (-1);
++			}
++			checked += n + 1;
++			*dstp++ = n;
++			memcpy(dstp, srcp, n);
++			dstp += n;
++			srcp += n;
++			break;
++
++		case NS_CMPRSFLGS:
++			if (srcp >= eom) {
++				return (-1);
++			}
++			if (len < 0)
++				len = srcp - src + 1;
++			srcp = msg + (((n & 0x3f) << 8) | (*srcp & 0xff));
++			if (srcp < msg || srcp >= eom) {  /* Out of range. */
++				return (-1);
++			}
++			checked += 2;
++			/*
++			 * Check for loops in the compressed name;
++			 * if we've looked at the whole message,
++			 * there must be a loop.
++			 */
++			if (checked >= eom - msg) {
++				return (-1);
++			}
++			break;
++
++		default:
++			return (-1);			/* flag error */
++		}
++	}
++	*dstp = '\0';
++	if (len < 0)
++		len = srcp - src;
++	return (len);
++}
++
++/*
++ * ns_name_pack(src, dst, dstsiz, dnptrs, lastdnptr)
++ *	Pack domain name 'domain' into 'comp_dn'.
++ * return:
++ *	Size of the compressed name, or -1.
++ * notes:
++ *	'dnptrs' is an array of pointers to previous compressed names.
++ *	dnptrs[0] is a pointer to the beginning of the message. The array
++ *	ends with NULL.
++ *	'lastdnptr' is a pointer to the end of the array pointed to
++ *	by 'dnptrs'.
++ * Side effects:
++ *	The list of pointers in dnptrs is updated for labels inserted into
++ *	the message as we compress the name.  If 'dnptr' is NULL, we don't
++ *	try to compress names. If 'lastdnptr' is NULL, we don't update the
++ *	list.
++ */
++int
++ns_name_pack(const u_char *src, u_char *dst, int dstsiz,
++	     const u_char **dnptrs, const u_char **lastdnptr)
++{
++	u_char *dstp;
++	const u_char **cpp, **lpp, *eob, *msg;
++	const u_char *srcp;
++	int n, l, first = 1;
++
++	srcp = src;
++	dstp = dst;
++	eob = dstp + dstsiz;
++	lpp = cpp = NULL;
++	if (dnptrs != NULL) {
++		if ((msg = *dnptrs++) != NULL) {
++			for (cpp = dnptrs; *cpp != NULL; cpp++)
++				(void)NULL;
++			lpp = cpp;	/* end of list to search */
++		}
++	} else
++		msg = NULL;
++
++	/* make sure the domain we are about to add is legal */
++	l = 0;
++	do {
++		n = *srcp;
++		if ((n & NS_CMPRSFLGS) != 0) {
++			return (-1);
++		}
++		l += n + 1;
++		if (l > MAXCDNAME) {
++			return (-1);
++		}
++		srcp += n + 1;
++	} while (n != 0);
++
++	/* from here on we need to reset compression pointer array on error */
++	srcp = src;
++	do {
++		/* Look to see if we can use pointers. */
++		n = *srcp;
++		if (n != 0 && msg != NULL) {
++			l = dn_find(srcp, msg, (const u_char * const *)dnptrs,
++				    (const u_char * const *)lpp);
++			if (l >= 0) {
++				if (dstp + 1 >= eob) {
++					goto cleanup;
++				}
++				*dstp++ = (l >> 8) | NS_CMPRSFLGS;
++				*dstp++ = l % 256;
++				return (dstp - dst);
++			}
++			/* Not found, save it. */
++			if (lastdnptr != NULL && cpp < lastdnptr - 1 &&
++			    (dstp - msg) < 0x4000 && first) {
++				*cpp++ = dstp;
++				*cpp = NULL;
++				first = 0;
++			}
++		}
++		/* copy label to buffer */
++		if (n & NS_CMPRSFLGS) {		/* Should not happen. */
++			goto cleanup;
++		}
++		if (dstp + 1 + n >= eob) {
++			goto cleanup;
++		}
++		memcpy(dstp, srcp, n + 1);
++		srcp += n + 1;
++		dstp += n + 1;
++	} while (n != 0);
++
++	if (dstp > eob) {
++cleanup:
++		if (msg != NULL)
++			*lpp = NULL;
++		return (-1);
++	} 
++	return (dstp - dst);
++}
++
++/*
++ * ns_name_uncompress(msg, eom, src, dst, dstsiz)
++ *	Expand compressed domain name to presentation format.
++ * return:
++ *	Number of bytes read out of `src', or -1 (with errno set).
++ * note:
++ *	Root domain returns as "." not "".
++ */
++int
++ns_name_uncompress(const u_char *msg, const u_char *eom, const u_char *src,
++		   char *dst, size_t dstsiz)
++{
++	u_char tmp[NS_MAXCDNAME];
++	int n;
++	
++	if ((n = ns_name_unpack(msg, eom, src, tmp, sizeof tmp)) == -1)
++		return (-1);
++	if (ns_name_ntop(tmp, dst, dstsiz) == -1)
++		return (-1);
++	return (n);
++}
++
++/*
++ * ns_name_compress(src, dst, dstsiz, dnptrs, lastdnptr)
++ *	Compress a domain name into wire format, using compression pointers.
++ * return:
++ *	Number of bytes consumed in `dst' or -1 (with errno set).
++ * notes:
++ *	'dnptrs' is an array of pointers to previous compressed names.
++ *	dnptrs[0] is a pointer to the beginning of the message.
++ *	The list ends with NULL.  'lastdnptr' is a pointer to the end of the
++ *	array pointed to by 'dnptrs'. Side effect is to update the list of
++ *	pointers for labels inserted into the message as we compress the name.
++ *	If 'dnptr' is NULL, we don't try to compress names. If 'lastdnptr'
++ *	is NULL, we don't update the list.
++ */
++int
++ns_name_compress(const char *src, u_char *dst, size_t dstsiz,
++		 const u_char **dnptrs, const u_char **lastdnptr)
++{
++	u_char tmp[NS_MAXCDNAME];
++
++	if (ns_name_pton(src, tmp, sizeof tmp) == -1)
++		return (-1);
++	return (ns_name_pack(tmp, dst, dstsiz, dnptrs, lastdnptr));
++}
++
++/*
++ * special(ch)
++ *	Thinking in noninternationalized USASCII (per the DNS spec),
++ *	is this characted special ("in need of quoting") ?
++ * return:
++ *	boolean.
++ */
++static int
++special(int ch) {
++	switch (ch) {
++	case 0x22: /* '"' */
++	case 0x2E: /* '.' */
++	case 0x3B: /* ';' */
++	case 0x5C: /* '\\' */
++	/* Special modifiers in zone files. */
++	case 0x40: /* '@' */
++	case 0x24: /* '$' */
++		return (1);
++	default:
++		return (0);
++	}
++}
++
++/*
++ * printable(ch)
++ *	Thinking in noninternationalized USASCII (per the DNS spec),
++ *	is this character visible and not a space when printed ?
++ * return:
++ *	boolean.
++ */
++static int
++printable(int ch) {
++	return (ch > 0x20 && ch < 0x7f);
++}
++
++/*
++ *	Thinking in noninternationalized USASCII (per the DNS spec),
++ *	convert this character to lower case if it's upper case.
++ */
++static int
++mklower(int ch) {
++	if (ch >= 0x41 && ch <= 0x5A)
++		return (ch + 0x20);
++	return (ch);
++}
++
++/*
++ * dn_find(domain, msg, dnptrs, lastdnptr)
++ *	Search for the counted-label name in an array of compressed names.
++ * return:
++ *	offset from msg if found, or -1.
++ * notes:
++ *	dnptrs is the pointer to the first name on the list,
++ *	not the pointer to the start of the message.
++ */
++static int
++dn_find(const u_char *domain, const u_char *msg,
++	const u_char * const *dnptrs,
++	const u_char * const *lastdnptr)
++{
++	const u_char *dn, *cp, *sp;
++	const u_char * const *cpp;
++	u_int n;
++
++	for (cpp = dnptrs; cpp < lastdnptr; cpp++) {
++		sp = *cpp;
++		/*
++		 * terminate search on:
++		 * root label
++		 * compression pointer
++		 * unusable offset
++		 */
++		while (*sp != 0 && (*sp & NS_CMPRSFLGS) == 0 &&
++		       (sp - msg) < 0x4000) {
++			dn = domain;
++			cp = sp;
++			while ((n = *cp++) != 0) {
++				/*
++				 * check for indirection
++				 */
++				switch (n & NS_CMPRSFLGS) {
++				case 0:		/* normal case, n == len */
++					if (n != *dn++)
++						goto next;
++					for ((void)NULL; n > 0; n--)
++						if (mklower(*dn++) !=
++						    mklower(*cp++))
++							goto next;
++					/* Is next root for both ? */
++					if (*dn == '\0' && *cp == '\0')
++						return (sp - msg);
++					if (*dn)
++						continue;
++					goto next;
++
++				case NS_CMPRSFLGS:	/* indirection */
++					cp = msg + (((n & 0x3f) << 8) | *cp);
++					break;
++
++				default:	/* illegal type */
++					return (-1);
++				}
++			}
++ next:
++			sp += *sp + 1;
++		}
++	}
++	return (-1);
++}
++
++/*
++ * Expand compressed domain name 'comp_dn' to full domain name.
++ * 'msg' is a pointer to the begining of the message,
++ * 'eomorig' points to the first location after the message,
++ * 'exp_dn' is a pointer to a buffer of size 'length' for the result.
++ * Return size of compressed name or -1 if there was an error.
++ */
++int
++dn_expand(const u_char *msg, const u_char *eom, const u_char *src,
++	  char *dst, int dstsiz)
++{
++	int n = ns_name_uncompress(msg, eom, src, dst, (size_t)dstsiz);
++
++	if (n > 0 && dst[0] == '.')
++		dst[0] = '\0';
++	return (n);
++}
++
++/*
++ * Pack domain name 'exp_dn' in presentation form into 'comp_dn'.
++ * Return the size of the compressed name or -1.
++ * 'length' is the size of the array pointed to by 'comp_dn'.
++ */
++int
++dn_comp(const char *src, u_char *dst, int dstsiz,
++	u_char **dnptrs, u_char **lastdnptr)
++{
++	return (ns_name_compress(src, dst, (size_t)dstsiz,
++				 (const u_char **)dnptrs,
++				 (const u_char **)lastdnptr));
++}
++
+diff -Nur dsniff-2.3/Makefile.in dsniff-2.3.patched/Makefile.in
+--- dsniff-2.3/Makefile.in	2000-12-15 21:03:26.000000000 +0100
++++ dsniff-2.3.patched/Makefile.in	2005-06-09 14:03:18.000000000 +0200
+@@ -51,7 +51,7 @@
+ 	  pathnames.h pcaputil.h record.h rpc.h tcp_raw.h trigger.h \
+ 	  version.h vroot.h
+ 
+-SRCS	= asn1.c base64.c buf.c hex.c magic.c mount.c pcaputil.c rpc.c \
++SRCS	= asn1.c base64.c buf.c dns.c hex.c magic.c mount.c pcaputil.c rpc.c \
+ 	  tcp_raw.c trigger.c record.c dsniff.c decode.c decode_aim.c \
+ 	  decode_citrix.c decode_cvs.c decode_ftp.c decode_hex.c \
+ 	  decode_http.c decode_icq.c decode_imap.c decode_irc.c \
+@@ -99,8 +99,8 @@
+ arpspoof: arpspoof.o arp.o
+ 	$(CC) $(LDFLAGS) -o $@ arpspoof.o arp.o $(LIBS) $(PCAPLIB) $(LNETLIB)
+ 
+-dnsspoof: dnsspoof.o pcaputil.o
+-	$(CC) $(LDFLAGS) -o $@ dnsspoof.o pcaputil.o $(LIBS) $(PCAPLIB) $(LNETLIB)
++dnsspoof: dnsspoof.o pcaputil.o dns.o
++	$(CC) $(LDFLAGS) -o $@ dnsspoof.o pcaputil.o dns.o $(LIBS) $(PCAPLIB) $(LNETLIB)
+ 
+ filesnarf: nfs_prot.o filesnarf.o pcaputil.o rpc.o
+ 	$(CC) $(LDFLAGS) -o $@ filesnarf.o nfs_prot.o pcaputil.o rpc.o $(LIBS) $(NIDSLIB) $(PCAPLIB) $(LNETLIB)
diff --git a/package/dsniff/patches/gdbm.patch b/package/dsniff/patches/gdbm.patch
new file mode 100644
index 000000000..2d9256aae
--- /dev/null
+++ b/package/dsniff/patches/gdbm.patch
@@ -0,0 +1,188 @@
+diff -Nur dsniff-2.3/configure dsniff-2.3.patched/configure
+--- dsniff-2.3/configure	2005-06-09 15:21:49.000000000 +0200
++++ dsniff-2.3.patched/configure	2005-06-09 15:26:41.000000000 +0200
+@@ -3051,7 +3051,40 @@
+ 
+ fi
+ 
++echo $ac_n "checking for libgdbm""... $ac_c" 1>&6
++echo "configure:3059: checking for libgdbm" >&5
++# Check whether --with-gdbm or --without-gdbm was given.
++if test "${with_gdbm+set}" = set; then
++  withval="$with_gdbm"
++   case "$withval" in
++  yes|no)
++     echo "$ac_t""no" 1>&6
++     ;;
++  *)
++     echo "$ac_t""$withval" 1>&6
++     if test -f $withval/include/gdbm.h -a -f $withval/lib/libgdbm.a; then
++        owd=`pwd`
++        if cd $withval; then withval=`pwd`; cd $owd; fi
++	DBINC="-I$withval/include"
++	DBLIB="-L$withval/lib -lgdbm"
++     else
++        { echo "configure: error: gdbm.h or libgdbm.a not found in $withval" 1>&2; exit 1; }
++     fi
++     ;;
++  esac 
++else
++   if test -f ${prefix}/include/gdbm.h; then
++     LNETINC="-I${prefix}/include"
++     LNETLIB="-L${prefix}/lib -lgdbm"
++  elif test -f /usr/include/gdbm.h; then
++     LNETLIB="-lgdbm"
++  else
++     echo "$ac_t""no" 1>&6
++     { echo "configure: error: libgdbm not found" 1>&2; exit 1; }
++  fi
++  echo "$ac_t""yes" 1>&6 
+ 
++fi
+ 
+ 
+ echo $ac_n "checking for libnet""... $ac_c" 1>&6
+diff -Nur dsniff-2.3/configure dsniff-2.3.patched/configure
+--- dsniff-2.3/configure	2005-06-09 15:17:11.000000000 +0200
++++ dsniff-2.3.patched/configure	2005-06-09 14:47:24.000000000 +0200
+@@ -16,6 +16,8 @@
+ ac_help="$ac_help
+   --with-db=DIR           use Berkeley DB (with --enable-compat185) in DIR"
+ ac_help="$ac_help
++  --with-gdbm=DIR         use GNU DBM in DIR"
++ac_help="$ac_help
+   --with-libpcap=DIR      use libpcap in DIR"
+ ac_help="$ac_help
+   --with-libnet=DIR       use libnet in DIR"
+diff -Nur dsniff-2.3/record.c dsniff-2.3.patched/record.c
+--- dsniff-2.3/record.c	2000-11-14 16:51:02.000000000 +0100
++++ dsniff-2.3.patched/record.c	2005-06-09 15:16:50.000000000 +0200
+@@ -13,12 +13,7 @@
+ #include <stdio.h>
+ #include <time.h>
+ #include <md5.h>
+-#ifdef HAVE_DB_185_H
+-#define DB_LIBRARY_COMPATIBILITY_API
+-#include <db_185.h>
+-#elif HAVE_DB_H
+-#include <db.h>
+-#endif
++#include <gdbm.h>
+ #include <libnet.h>
+ #include "options.h"
+ #include "record.h"
+@@ -34,7 +29,7 @@
+ 	struct netobj	data;
+ };
+ 	
+-static DB *db;
++GDBM_FILE dbf;
+ 
+ static int
+ xdr_rec(XDR *xdrs, struct rec *rec)
+@@ -86,10 +81,10 @@
+ 	fflush(stdout);
+ }
+ 
+-static DBT *
++static datum
+ record_hash(struct rec *rec)
+ {
+-	static DBT key;
++	static datum key;
+ 	static u_char hash[16];
+ 	MD5_CTX ctx;
+ 
+@@ -102,16 +97,16 @@
+ 	MD5Update(&ctx, rec->data.n_bytes, rec->data.n_len);
+ 	MD5Final(hash, &ctx);
+ 
+-	key.data = hash;
+-	key.size = sizeof(hash);
++	key.dptr = hash;
++	key.dsize = sizeof(hash);
+ 	
+-	return (&key);
++	return (key);
+ }
+ 
+ static int
+ record_save(struct rec *rec)
+ {
+-	DBT *key, data;
++	datum key, data;
+ 	XDR xdrs;
+ 	u_char buf[2048];
+ 	
+@@ -120,15 +115,15 @@
+ 	if (!xdr_rec(&xdrs, rec))
+ 		return (0);
+ 	
+-	data.data = buf;
+-	data.size = xdr_getpos(&xdrs);
++	data.dptr = buf;
++	data.dsize = xdr_getpos(&xdrs);
+ 	
+ 	xdr_destroy(&xdrs);
+ 
+ 	key = record_hash(rec);
+ 	
+-	if (db->put(db, key, &data, R_NOOVERWRITE) == 0)
+-		db->sync(db, 0);
++	if (gdbm_store(dbf, key, data, GDBM_INSERT) == 0)
++		gdbm_sync(dbf);
+ 	
+ 	return (1);
+ }
+@@ -136,18 +131,22 @@
+ void
+ record_dump(void)
+ {
+-	DBT key, data;
++	datum nextkey, data;
+ 	XDR xdrs;
+ 	struct rec rec;
+ 	
+-	while (db->seq(db, &key, &data, R_NEXT) == 0) {	
++	data = gdbm_firstkey ( dbf );
++	while (data.dptr) {	
++		nextkey = gdbm_nextkey ( dbf, data );
+ 		memset(&rec, 0, sizeof(rec));
+-		xdrmem_create(&xdrs, data.data, data.size, XDR_DECODE);
++		xdrmem_create(&xdrs, data.dptr, data.dsize, XDR_DECODE);
+ 		
+ 		if (xdr_rec(&xdrs, &rec)) {
+ 			record_print(&rec);
+ 		}
+ 		xdr_destroy(&xdrs);
++		free(data.dptr);
++		data = nextkey;
+ 	}
+ }
+ 
+@@ -157,14 +156,14 @@
+ 	int flags, mode;
+ 	
+ 	if (Opt_read) {
+-		flags = O_RDONLY;
++		flags = GDBM_READER;
+ 		mode = 0;
+ 	}
+ 	else {
+-		flags = O_RDWR|O_CREAT;
++		flags = GDBM_WRCREAT;
+ 		mode = S_IRUSR|S_IWUSR;
+ 	}
+-	if ((db = dbopen(file, flags, mode, DB_BTREE, NULL)) == NULL)
++	if ((dbf = gdbm_open(file, 1024, flags, mode, NULL)) == NULL)
+ 		return (0);
+ 
+ 	return (1);
+@@ -203,6 +202,6 @@
+ void
+ record_close(void)
+ {
+-	db->close(db);
++	gdbm_close(dbf);
+ }
+ 
diff --git a/package/dsniff/patches/noyp.patch b/package/dsniff/patches/noyp.patch
new file mode 100644
index 000000000..47dda9515
--- /dev/null
+++ b/package/dsniff/patches/noyp.patch
@@ -0,0 +1,33 @@
+diff -Nur dsniff-2.3/decode.c dsniff-2.3.patched/decode.c
+--- dsniff-2.3/decode.c	2000-12-15 21:03:26.000000000 +0100
++++ dsniff-2.3.patched/decode.c	2005-06-09 15:20:16.000000000 +0200
+@@ -49,8 +49,6 @@
+ extern int decode_portmap(u_char *, int, u_char *, int);
+ extern int decode_mountd(u_char *, int, u_char *, int);
+ extern int decode_vrrp(u_char *, int, u_char *, int);
+-extern int decode_ypserv(u_char *, int, u_char *, int);
+-extern int decode_yppasswd(u_char *, int, u_char *, int);
+ 
+ static struct decode decodes[] = {
+ 	{ "hex",	decode_hex },
+@@ -86,8 +84,6 @@
+ 	{ "irc",	decode_irc },
+ 	{ "portmap",	decode_portmap },
+ 	{ "mountd",	decode_mountd },
+-	{ "ypserv",	decode_ypserv },
+-	{ "yppasswd",	decode_yppasswd },
+ 	{ NULL }
+ };
+ 
+diff -Nur dsniff-2.3/Makefile.in dsniff-2.3.patched/Makefile.in
+--- dsniff-2.3/Makefile.in	2005-06-09 15:20:41.000000000 +0200
++++ dsniff-2.3.patched/Makefile.in	2005-06-09 15:18:51.000000000 +0200
+@@ -60,7 +60,7 @@
+ 	  decode_pop.c decode_portmap.c decode_postgresql.c decode_pptp.c \
+ 	  decode_rip.c decode_rlogin.c decode_smb.c decode_smtp.c \
+ 	  decode_sniffer.c decode_snmp.c decode_socks.c decode_tds.c \
+-	  decode_telnet.c decode_vrrp.c decode_yp.c decode_x11.c
++	  decode_telnet.c decode_vrrp.c decode_x11.c
+ 
+ GEN	= mount.h mount.c nfs_prot.h nfs_prot.c
+ 
diff --git a/package/dsniff/patches/pcap-header.patch b/package/dsniff/patches/pcap-header.patch
new file mode 100644
index 000000000..6be3bf2d6
--- /dev/null
+++ b/package/dsniff/patches/pcap-header.patch
@@ -0,0 +1,12 @@
+diff -Nur dsniff-2.3/configure dsniff-2.3.patched/configure
+--- dsniff-2.3/configure	2000-12-03 05:35:46.000000000 +0100
++++ dsniff-2.3.patched/configure	2005-06-09 11:44:33.000000000 +0200
+@@ -3023,7 +3023,7 @@
+ 	PCAPINC="-I$withval -I$withval/bpf"
+ 	PCAPLIB="-L$withval -lpcap"
+      elif test -f $withval/include/pcap.h -a \
+-	       -f $withval/include/net/bpf.h -a \
++	       -f $withval/include/pcap-bpf.h -a \
+ 	       -f $withval/lib/libpcap.a; then
+ 	owd=`pwd`
+ 	if cd $withval; then withval=`pwd`; cd $owd; fi