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@ -0,0 +1,468 @@
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diff -Naur xl2tpd-1.3.14-orig/aaa.c xl2tpd-1.3.14/aaa.c
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--- xl2tpd-1.3.14-orig/aaa.c 2019-04-17 12:23:39.000000000 -0400
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+++ xl2tpd-1.3.14/aaa.c 2019-09-24 20:51:39.478952494 -0400
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@@ -21,6 +21,8 @@
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#include <errno.h>
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#include "l2tp.h"
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+#include <openssl/md5.h>
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+
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extern void bufferDump (char *, int);
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/* FIXME: Accounting? */
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@@ -273,11 +275,11 @@
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#endif
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memset (chal->response, 0, MD_SIG_SIZE);
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- MD5Init (&chal->md5);
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- MD5Update (&chal->md5, &chal->ss, 1);
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- MD5Update (&chal->md5, chal->secret, strlen ((char *)chal->secret));
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- MD5Update (&chal->md5, chal->challenge, chal->chal_len);
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- MD5Final (chal->response, &chal->md5);
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+ MD5_Init (&chal->md5);
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+ MD5_Update (&chal->md5, &chal->ss, 1);
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+ MD5_Update (&chal->md5, chal->secret, strlen ((char *)chal->secret));
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+ MD5_Update (&chal->md5, chal->challenge, chal->chal_len);
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+ MD5_Final (chal->response, &chal->md5);
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#ifdef DEBUG_AUTH
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l2tp_log (LOG_DEBUG, "response is %X%X%X%X to '%s' and %X%X%X%X, %d\n",
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*((int *) &chal->response[0]),
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@@ -392,12 +394,12 @@
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buf->len += length;
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/* Back to the beginning of real data, including the original length AVP */
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- MD5Init (&t->chal_them.md5);
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- MD5Update (&t->chal_them.md5, (void *) &attr, 2);
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- MD5Update (&t->chal_them.md5, t->chal_them.secret,
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+ MD5_Init (&t->chal_them.md5);
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+ MD5_Update (&t->chal_them.md5, (void *) &attr, 2);
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+ MD5_Update (&t->chal_them.md5, t->chal_them.secret,
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strlen ((char *)t->chal_them.secret));
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- MD5Update (&t->chal_them.md5, t->chal_them.vector, VECTOR_SIZE);
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- MD5Final (digest, &t->chal_them.md5);
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+ MD5_Update (&t->chal_them.md5, t->chal_them.vector, VECTOR_SIZE);
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+ MD5_Final (digest, &t->chal_them.md5);
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/* Though not a "MUST" in the spec, our subformat length is always a multiple of 16 */
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ptr = ((unsigned char *) new_hdr) + sizeof (struct avp_hdr);
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@@ -421,11 +423,11 @@
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#endif
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if (ptr < end)
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{
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- MD5Init (&t->chal_them.md5);
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- MD5Update (&t->chal_them.md5, t->chal_them.secret,
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+ MD5_Init (&t->chal_them.md5);
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+ MD5_Update (&t->chal_them.md5, t->chal_them.secret,
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strlen ((char *)t->chal_them.secret));
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- MD5Update (&t->chal_them.md5, previous_segment, MD_SIG_SIZE);
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- MD5Final (digest, &t->chal_them.md5);
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+ MD5_Update (&t->chal_them.md5, previous_segment, MD_SIG_SIZE);
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+ MD5_Final (digest, &t->chal_them.md5);
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}
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previous_segment = ptr;
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}
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@@ -458,12 +460,12 @@
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that it will be padded to a 16 byte boundary, so we
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have to be more careful than when encrypting */
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attr = ntohs (old_hdr->attr);
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- MD5Init (&t->chal_us.md5);
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- MD5Update (&t->chal_us.md5, (void *) &attr, 2);
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- MD5Update (&t->chal_us.md5, t->chal_us.secret,
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+ MD5_Init (&t->chal_us.md5);
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+ MD5_Update (&t->chal_us.md5, (void *) &attr, 2);
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+ MD5_Update (&t->chal_us.md5, t->chal_us.secret,
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strlen ((char *)t->chal_us.secret));
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- MD5Update (&t->chal_us.md5, t->chal_us.vector, t->chal_us.vector_len);
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- MD5Final (digest, &t->chal_us.md5);
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+ MD5_Update (&t->chal_us.md5, t->chal_us.vector, t->chal_us.vector_len);
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+ MD5_Final (digest, &t->chal_us.md5);
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#ifdef DEBUG_HIDDEN
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l2tp_log (LOG_DEBUG, "attribute is %d and challenge is: ", attr);
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print_challenge (&t->chal_us);
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@@ -474,11 +476,11 @@
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{
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if (cnt >= MD_SIG_SIZE)
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{
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- MD5Init (&t->chal_us.md5);
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- MD5Update (&t->chal_us.md5, t->chal_us.secret,
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+ MD5_Init (&t->chal_us.md5);
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+ MD5_Update (&t->chal_us.md5, t->chal_us.secret,
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strlen ((char *)t->chal_us.secret));
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- MD5Update (&t->chal_us.md5, saved_segment, MD_SIG_SIZE);
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- MD5Final (digest, &t->chal_us.md5);
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+ MD5_Update (&t->chal_us.md5, saved_segment, MD_SIG_SIZE);
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+ MD5_Final (digest, &t->chal_us.md5);
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cnt = 0;
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}
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/* at the beginning of each segment, we save the current segment (16 octets or less) of cipher
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diff -Naur xl2tpd-1.3.14-orig/aaa.h xl2tpd-1.3.14/aaa.h
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--- xl2tpd-1.3.14-orig/aaa.h 2019-04-17 12:23:39.000000000 -0400
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+++ xl2tpd-1.3.14/aaa.h 2019-09-24 20:52:14.179531612 -0400
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@@ -15,7 +15,7 @@
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#ifndef _AAA_H
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#define _AAA_H
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-#include "md5.h"
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+#include <openssl/md5.h>
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#define ADDR_HASH_SIZE 256
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#define MD_SIG_SIZE 16
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@@ -34,7 +34,7 @@
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struct challenge
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{
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- struct MD5Context md5;
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+ MD5_CTX md5;
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unsigned char ss; /* State we're sending in */
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unsigned char secret[MAXSTRLEN]; /* The shared secret */
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unsigned char *challenge; /* The original challenge */
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diff -Naur xl2tpd-1.3.14-orig/Makefile xl2tpd-1.3.14/Makefile
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--- xl2tpd-1.3.14-orig/Makefile 2019-04-17 12:23:39.000000000 -0400
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+++ xl2tpd-1.3.14/Makefile 2019-09-24 20:53:02.420020643 -0400
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@@ -101,8 +101,8 @@
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IPFLAGS?= -DIP_ALLOCATION
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CFLAGS+= $(DFLAGS) -Os -Wall -Wextra -DSANITY $(OSFLAGS) $(IPFLAGS)
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-HDRS=l2tp.h avp.h misc.h control.h call.h scheduler.h file.h aaa.h md5.h
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-OBJS=xl2tpd.o pty.o misc.o control.o avp.o call.o network.o avpsend.o scheduler.o file.o aaa.o md5.o
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+HDRS=l2tp.h avp.h misc.h control.h call.h scheduler.h file.h aaa.h
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+OBJS=xl2tpd.o pty.o misc.o control.o avp.o call.o network.o avpsend.o scheduler.o file.o aaa.o
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SRCS=${OBJS:.o=.c} ${HDRS}
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CONTROL_SRCS=xl2tpd-control.c
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#LIBS= $(OSLIBS) # -lefence # efence for malloc checking
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@@ -121,7 +121,7 @@
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rm -f $(OBJS) $(EXEC) pfc.o pfc $(CONTROL_EXEC)
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$(EXEC): $(OBJS) $(HDRS)
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- $(CC) $(LDFLAGS) -o $@ $(OBJS) $(LDLIBS)
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+ $(CC) $(LDFLAGS) -o $@ $(OBJS) -lcrypto $(LDLIBS)
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$(CONTROL_EXEC): $(CONTROL_SRCS)
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$(CC) $(CFLAGS) $(LDFLAGS) $(CONTROL_SRCS) -o $@
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diff -Naur xl2tpd-1.3.14-orig/md5.c xl2tpd-1.3.14/md5.c
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--- xl2tpd-1.3.14-orig/md5.c 2019-04-17 12:23:39.000000000 -0400
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+++ xl2tpd-1.3.14/md5.c 1969-12-31 19:00:00.000000000 -0500
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@@ -1,274 +0,0 @@
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-#ifdef FREEBSD
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-# include <machine/endian.h>
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-#elif defined(OPENBSD) || defined(NETBSD)
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-# define __BSD_VISIBLE 0
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-# include <machine/endian.h>
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-#elif defined(LINUX)
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-# include <endian.h>
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-#elif defined(SOLARIS)
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-# include <sys/isa_defs.h>
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-#endif
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-#if __BYTE_ORDER == __BIG_ENDIAN
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-#define HIGHFIRST 1
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-#endif
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-
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-/*
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- * This code implements the MD5 message-digest algorithm.
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- * The algorithm is due to Ron Rivest. This code was
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- * written by Colin Plumb in 1993, no copyright is claimed.
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- * This code is in the public domain; do with it what you wish.
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- *
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- * Equivalent code is available from RSA Data Security, Inc.
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- * This code has been tested against that, and is equivalent,
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- * except that you don't need to include two pages of legalese
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- * with every copy.
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- *
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- * To compute the message digest of a chunk of bytes, declare an
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- * MD5Context structure, pass it to MD5Init, call MD5Update as
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- * needed on buffers full of bytes, and then call MD5Final, which
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- * will fill a supplied 16-byte array with the digest.
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- */
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-#include <string.h> /* for memcpy() */
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-#include "md5.h"
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-
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-#ifndef HIGHFIRST
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-#define byteReverse(buf, len) /* Nothing */
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-#else
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-void byteReverse (unsigned char *buf, unsigned longs);
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-
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-#ifndef ASM_MD5
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-/*
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- * Note: this code is harmless on little-endian machines.
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- */
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-void byteReverse (unsigned char *buf, unsigned longs)
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-{
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- uint32 t;
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- do
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- {
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- t = (uint32) ((unsigned) buf[3] << 8 | buf[2]) << 16 |
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- ((unsigned) buf[1] << 8 | buf[0]);
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- *(uint32 *) buf = t;
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- buf += 4;
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- }
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- while (--longs);
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-}
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-#endif
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-#endif
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-
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-/*
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- * Start MD5 accumulation. Set bit count to 0 and buffer to mysterious
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- * initialization constants.
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- */
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-void MD5Init (struct MD5Context *ctx)
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-{
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- ctx->buf[0] = 0x67452301;
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- ctx->buf[1] = 0xefcdab89;
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- ctx->buf[2] = 0x98badcfe;
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- ctx->buf[3] = 0x10325476;
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-
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- ctx->bits[0] = 0;
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- ctx->bits[1] = 0;
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-}
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-
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-/*
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- * Update context to reflect the concatenation of another buffer full
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- * of bytes.
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- */
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-void MD5Update (struct MD5Context *ctx, unsigned char const *buf,
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- unsigned len)
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-{
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- uint32 t;
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-
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- /* Update bitcount */
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-
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- t = ctx->bits[0];
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- if ((ctx->bits[0] = t + ((uint32) len << 3)) < t)
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- ctx->bits[1]++; /* Carry from low to high */
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- ctx->bits[1] += len >> 29;
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-
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- t = (t >> 3) & 0x3f; /* Bytes already in shsInfo->data */
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-
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- /* Handle any leading odd-sized chunks */
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-
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- if (t)
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- {
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- unsigned char *p = (unsigned char *) ctx->in + t;
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-
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- t = 64 - t;
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- if (len < t)
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- {
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- memcpy (p, buf, len);
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- return;
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- }
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- memcpy (p, buf, t);
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- byteReverse (ctx->in, 16);
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- MD5Transform (ctx->buf, (uint32 *) ctx->in);
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- buf += t;
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- len -= t;
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- }
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- /* Process data in 64-byte chunks */
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-
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- while (len >= 64)
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- {
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- memcpy (ctx->in, buf, 64);
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- byteReverse (ctx->in, 16);
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- MD5Transform (ctx->buf, (uint32 *) ctx->in);
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- buf += 64;
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- len -= 64;
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- }
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-
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- /* Handle any remaining bytes of data. */
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-
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- memcpy (ctx->in, buf, len);
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-}
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-
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-/*
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- * Final wrapup - pad to 64-byte boundary with the bit pattern
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- * 1 0* (64-bit count of bits processed, MSB-first)
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- */
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-void MD5Final (unsigned char digest[16], struct MD5Context *ctx)
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-{
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- unsigned count;
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- unsigned char *p;
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-
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- /* Compute number of bytes mod 64 */
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- count = (ctx->bits[0] >> 3) & 0x3F;
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-
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- /* Set the first char of padding to 0x80. This is safe since there is
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- always at least one byte free */
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- p = ctx->in + count;
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- *p++ = 0x80;
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-
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- /* Bytes of padding needed to make 64 bytes */
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- count = 64 - 1 - count;
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-
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- /* Pad out to 56 mod 64 */
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- if (count < 8)
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- {
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- /* Two lots of padding: Pad the first block to 64 bytes */
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- memset (p, 0, count);
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- byteReverse (ctx->in, 16);
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- MD5Transform (ctx->buf, (uint32 *) ctx->in);
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-
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- /* Now fill the next block with 56 bytes */
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- memset (ctx->in, 0, 56);
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- }
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- else
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- {
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- /* Pad block to 56 bytes */
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- memset (p, 0, count - 8);
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- }
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- byteReverse (ctx->in, 14);
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-
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- /* Append length in bits and transform */
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- memcpy(ctx->in + 14 * sizeof(uint32), ctx->bits, sizeof(ctx->bits));
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-
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- MD5Transform (ctx->buf, (uint32 *) ctx->in);
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- byteReverse ((unsigned char *) ctx->buf, 4);
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- memcpy (digest, ctx->buf, 16);
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- memset (ctx, 0, sizeof (*ctx)); /* In case it's sensitive */
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-}
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-
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-#ifndef ASM_MD5
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-
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-/* The four core functions - F1 is optimized somewhat */
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-
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-/* #define F1(x, y, z) (x & y | ~x & z) */
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-#define F1(x, y, z) (z ^ (x & (y ^ z)))
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-#define F2(x, y, z) F1(z, x, y)
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-#define F3(x, y, z) (x ^ y ^ z)
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-#define F4(x, y, z) (y ^ (x | ~z))
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-
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-/* This is the central step in the MD5 algorithm. */
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-#define MD5STEP(f, w, x, y, z, data, s) \
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- ( w += f(x, y, z) + data, w = w<<s | w>>(32-s), w += x )
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-
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-/*
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- * The core of the MD5 algorithm, this alters an existing MD5 hash to
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- * reflect the addition of 16 longwords of new data. MD5Update blocks
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- * the data and converts bytes into longwords for this routine.
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- */
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-void MD5Transform (uint32 buf[4], uint32 const in[16])
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-{
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- register uint32 a, b, c, d;
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-
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- a = buf[0];
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- b = buf[1];
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- c = buf[2];
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- d = buf[3];
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-
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- MD5STEP (F1, a, b, c, d, in[0] + 0xd76aa478, 7);
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- MD5STEP (F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
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- MD5STEP (F1, c, d, a, b, in[2] + 0x242070db, 17);
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- MD5STEP (F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
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- MD5STEP (F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
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- MD5STEP (F1, d, a, b, c, in[5] + 0x4787c62a, 12);
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- MD5STEP (F1, c, d, a, b, in[6] + 0xa8304613, 17);
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- MD5STEP (F1, b, c, d, a, in[7] + 0xfd469501, 22);
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- MD5STEP (F1, a, b, c, d, in[8] + 0x698098d8, 7);
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- MD5STEP (F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
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- MD5STEP (F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
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- MD5STEP (F1, b, c, d, a, in[11] + 0x895cd7be, 22);
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- MD5STEP (F1, a, b, c, d, in[12] + 0x6b901122, 7);
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- MD5STEP (F1, d, a, b, c, in[13] + 0xfd987193, 12);
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- MD5STEP (F1, c, d, a, b, in[14] + 0xa679438e, 17);
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- MD5STEP (F1, b, c, d, a, in[15] + 0x49b40821, 22);
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-
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- MD5STEP (F2, a, b, c, d, in[1] + 0xf61e2562, 5);
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- MD5STEP (F2, d, a, b, c, in[6] + 0xc040b340, 9);
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- MD5STEP (F2, c, d, a, b, in[11] + 0x265e5a51, 14);
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- MD5STEP (F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
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- MD5STEP (F2, a, b, c, d, in[5] + 0xd62f105d, 5);
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- MD5STEP (F2, d, a, b, c, in[10] + 0x02441453, 9);
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- MD5STEP (F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
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- MD5STEP (F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
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- MD5STEP (F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
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- MD5STEP (F2, d, a, b, c, in[14] + 0xc33707d6, 9);
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- MD5STEP (F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
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- MD5STEP (F2, b, c, d, a, in[8] + 0x455a14ed, 20);
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- MD5STEP (F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
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- MD5STEP (F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
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- MD5STEP (F2, c, d, a, b, in[7] + 0x676f02d9, 14);
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- MD5STEP (F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
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-
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- MD5STEP (F3, a, b, c, d, in[5] + 0xfffa3942, 4);
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- MD5STEP (F3, d, a, b, c, in[8] + 0x8771f681, 11);
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- MD5STEP (F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
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- MD5STEP (F3, b, c, d, a, in[14] + 0xfde5380c, 23);
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- MD5STEP (F3, a, b, c, d, in[1] + 0xa4beea44, 4);
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- MD5STEP (F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
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- MD5STEP (F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
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- MD5STEP (F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
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- MD5STEP (F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
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- MD5STEP (F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
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- MD5STEP (F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
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- MD5STEP (F3, b, c, d, a, in[6] + 0x04881d05, 23);
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- MD5STEP (F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
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- MD5STEP (F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
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- MD5STEP (F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
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- MD5STEP (F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
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-
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- MD5STEP (F4, a, b, c, d, in[0] + 0xf4292244, 6);
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- MD5STEP (F4, d, a, b, c, in[7] + 0x432aff97, 10);
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- MD5STEP (F4, c, d, a, b, in[14] + 0xab9423a7, 15);
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- MD5STEP (F4, b, c, d, a, in[5] + 0xfc93a039, 21);
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- MD5STEP (F4, a, b, c, d, in[12] + 0x655b59c3, 6);
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- MD5STEP (F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
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- MD5STEP (F4, c, d, a, b, in[10] + 0xffeff47d, 15);
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- MD5STEP (F4, b, c, d, a, in[1] + 0x85845dd1, 21);
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- MD5STEP (F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
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- MD5STEP (F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
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- MD5STEP (F4, c, d, a, b, in[6] + 0xa3014314, 15);
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- MD5STEP (F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
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- MD5STEP (F4, a, b, c, d, in[4] + 0xf7537e82, 6);
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- MD5STEP (F4, d, a, b, c, in[11] + 0xbd3af235, 10);
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- MD5STEP (F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
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- MD5STEP (F4, b, c, d, a, in[9] + 0xeb86d391, 21);
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-
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- buf[0] += a;
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- buf[1] += b;
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- buf[2] += c;
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- buf[3] += d;
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-}
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-
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-#endif
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diff -Naur xl2tpd-1.3.14-orig/md5.h xl2tpd-1.3.14/md5.h
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--- xl2tpd-1.3.14-orig/md5.h 2019-04-17 12:23:39.000000000 -0400
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+++ xl2tpd-1.3.14/md5.h 1969-12-31 19:00:00.000000000 -0500
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@@ -1,29 +0,0 @@
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-#ifndef MD5_H
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-#define MD5_H
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-
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-#ifdef __alpha
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-typedef unsigned int uint32;
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-#else
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-#include <stdint.h>
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-typedef uint32_t uint32;
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-#endif
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-
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-struct MD5Context
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-{
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- uint32 buf[4];
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- uint32 bits[2];
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- unsigned char in[64];
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-};
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-
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-void MD5Init (struct MD5Context *context);
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-void MD5Update (struct MD5Context *context, unsigned char const *buf,
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- unsigned len);
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-void MD5Final (unsigned char digest[16], struct MD5Context *context);
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-void MD5Transform (uint32 buf[4], uint32 const in[16]);
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-
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-/*
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- * This is needed to make RSAREF happy on some MS-DOS compilers.
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- */
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-typedef struct MD5Context MD5_CTX;
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-
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-#endif /* !MD5_H */
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diff -Naur xl2tpd-1.3.14-orig/xl2tpd.c xl2tpd-1.3.14/xl2tpd.c
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--- xl2tpd-1.3.14-orig/xl2tpd.c 2019-04-17 12:23:39.000000000 -0400
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+++ xl2tpd-1.3.14/xl2tpd.c 2019-09-24 20:53:50.969512827 -0400
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@@ -1643,7 +1643,11 @@
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static void usage(void) {
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|
|
- printf("\nxl2tpd version: %s\n", SERVER_VERSION);
|
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|
|
+ printf("\nxl2tpd version: %s\n"
|
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|
|
+"This product includes software developed by the OpenSSL Project for use\n"
|
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|
+"in the OpenSSL Toolkit. (http://www.openssl.org/)\n"
|
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|
+, SERVER_VERSION);
|
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+
|
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|
printf("Usage: xl2tpd [-c <config file>] [-s <secret file>] [-p <pid file>]\n"
|
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|
|
" [-C <control file>] [-D] [-l] [-q <tos decimal value for control>]\n"
|
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" [-v, --version]\n");
|
Paul Wouters
5 years ago