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-rw-r--r--usr.bin/ssh/bufaux.c165
-rw-r--r--usr.bin/ssh/bufbn.c209
-rw-r--r--usr.bin/ssh/lib/Makefile4
-rw-r--r--usr.bin/ssh/sftp-server/Makefile5
-rw-r--r--usr.bin/ssh/sftp/Makefile5
5 files changed, 215 insertions, 173 deletions
diff --git a/usr.bin/ssh/bufaux.c b/usr.bin/ssh/bufaux.c
index 4f9a89881d9..4c9cb662c36 100644
--- a/usr.bin/ssh/bufaux.c
+++ b/usr.bin/ssh/bufaux.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bufaux.c,v 1.41 2006/03/30 09:58:15 djm Exp $ */
+/* $OpenBSD: bufaux.c,v 1.42 2006/04/18 10:44:28 dtucker Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -46,169 +46,6 @@
#include "misc.h"
/*
- * Stores an BIGNUM in the buffer with a 2-byte msb first bit count, followed
- * by (bits+7)/8 bytes of binary data, msb first.
- */
-int
-buffer_put_bignum_ret(Buffer *buffer, const BIGNUM *value)
-{
- int bits = BN_num_bits(value);
- int bin_size = (bits + 7) / 8;
- u_char *buf = xmalloc(bin_size);
- int oi;
- char msg[2];
-
- /* Get the value of in binary */
- oi = BN_bn2bin(value, buf);
- if (oi != bin_size) {
- error("buffer_put_bignum_ret: BN_bn2bin() failed: oi %d != bin_size %d",
- oi, bin_size);
- xfree(buf);
- return (-1);
- }
-
- /* Store the number of bits in the buffer in two bytes, msb first. */
- put_u16(msg, bits);
- buffer_append(buffer, msg, 2);
- /* Store the binary data. */
- buffer_append(buffer, buf, oi);
-
- memset(buf, 0, bin_size);
- xfree(buf);
-
- return (0);
-}
-
-void
-buffer_put_bignum(Buffer *buffer, const BIGNUM *value)
-{
- if (buffer_put_bignum_ret(buffer, value) == -1)
- fatal("buffer_put_bignum: buffer error");
-}
-
-/*
- * Retrieves an BIGNUM from the buffer.
- */
-int
-buffer_get_bignum_ret(Buffer *buffer, BIGNUM *value)
-{
- u_int bits, bytes;
- u_char buf[2], *bin;
-
- /* Get the number for bits. */
- if (buffer_get_ret(buffer, (char *) buf, 2) == -1) {
- error("buffer_get_bignum_ret: invalid length");
- return (-1);
- }
- bits = get_u16(buf);
- /* Compute the number of binary bytes that follow. */
- bytes = (bits + 7) / 8;
- if (bytes > 8 * 1024) {
- error("buffer_get_bignum_ret: cannot handle BN of size %d", bytes);
- return (-1);
- }
- if (buffer_len(buffer) < bytes) {
- error("buffer_get_bignum_ret: input buffer too small");
- return (-1);
- }
- bin = buffer_ptr(buffer);
- BN_bin2bn(bin, bytes, value);
- if (buffer_consume_ret(buffer, bytes) == -1) {
- error("buffer_get_bignum_ret: buffer_consume failed");
- return (-1);
- }
- return (0);
-}
-
-void
-buffer_get_bignum(Buffer *buffer, BIGNUM *value)
-{
- if (buffer_get_bignum_ret(buffer, value) == -1)
- fatal("buffer_get_bignum: buffer error");
-}
-
-/*
- * Stores an BIGNUM in the buffer in SSH2 format.
- */
-int
-buffer_put_bignum2_ret(Buffer *buffer, const BIGNUM *value)
-{
- u_int bytes;
- u_char *buf;
- int oi;
- u_int hasnohigh = 0;
-
- if (BN_is_zero(value)) {
- buffer_put_int(buffer, 0);
- return 0;
- }
- if (value->neg) {
- error("buffer_put_bignum2_ret: negative numbers not supported");
- return (-1);
- }
- bytes = BN_num_bytes(value) + 1; /* extra padding byte */
- if (bytes < 2) {
- error("buffer_put_bignum2_ret: BN too small");
- return (-1);
- }
- buf = xmalloc(bytes);
- buf[0] = 0x00;
- /* Get the value of in binary */
- oi = BN_bn2bin(value, buf+1);
- if (oi < 0 || (u_int)oi != bytes - 1) {
- error("buffer_put_bignum2_ret: BN_bn2bin() failed: "
- "oi %d != bin_size %d", oi, bytes);
- xfree(buf);
- return (-1);
- }
- hasnohigh = (buf[1] & 0x80) ? 0 : 1;
- buffer_put_string(buffer, buf+hasnohigh, bytes-hasnohigh);
- memset(buf, 0, bytes);
- xfree(buf);
- return (0);
-}
-
-void
-buffer_put_bignum2(Buffer *buffer, const BIGNUM *value)
-{
- if (buffer_put_bignum2_ret(buffer, value) == -1)
- fatal("buffer_put_bignum2: buffer error");
-}
-
-int
-buffer_get_bignum2_ret(Buffer *buffer, BIGNUM *value)
-{
- u_int len;
- u_char *bin;
-
- if ((bin = buffer_get_string_ret(buffer, &len)) == NULL) {
- error("buffer_get_bignum2_ret: invalid bignum");
- return (-1);
- }
-
- if (len > 0 && (bin[0] & 0x80)) {
- error("buffer_get_bignum2_ret: negative numbers not supported");
- xfree(bin);
- return (-1);
- }
- if (len > 8 * 1024) {
- error("buffer_get_bignum2_ret: cannot handle BN of size %d", len);
- xfree(bin);
- return (-1);
- }
- BN_bin2bn(bin, len, value);
- xfree(bin);
- return (0);
-}
-
-void
-buffer_get_bignum2(Buffer *buffer, BIGNUM *value)
-{
- if (buffer_get_bignum2_ret(buffer, value) == -1)
- fatal("buffer_get_bignum2: buffer error");
-}
-
-/*
* Returns integers from the buffer (msb first).
*/
diff --git a/usr.bin/ssh/bufbn.c b/usr.bin/ssh/bufbn.c
new file mode 100644
index 00000000000..56f4f6d5b19
--- /dev/null
+++ b/usr.bin/ssh/bufbn.c
@@ -0,0 +1,209 @@
+/* $OpenBSD: bufbn.c,v 1.1 2006/04/18 10:44:28 dtucker Exp $*/
+/*
+ * Author: Tatu Ylonen <ylo@cs.hut.fi>
+ * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
+ * All rights reserved
+ * Auxiliary functions for storing and retrieving various data types to/from
+ * Buffers.
+ *
+ * As far as I am concerned, the code I have written for this software
+ * can be used freely for any purpose. Any derived versions of this
+ * software must be clearly marked as such, and if the derived work is
+ * incompatible with the protocol description in the RFC file, it must be
+ * called by a name other than "ssh" or "Secure Shell".
+ *
+ *
+ * SSH2 packet format added by Markus Friedl
+ * Copyright (c) 2000 Markus Friedl. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ */
+
+#include "includes.h"
+
+#include <openssl/bn.h>
+#include "bufaux.h"
+#include "xmalloc.h"
+#include "log.h"
+#include "misc.h"
+
+/*
+ * Stores an BIGNUM in the buffer with a 2-byte msb first bit count, followed
+ * by (bits+7)/8 bytes of binary data, msb first.
+ */
+int
+buffer_put_bignum_ret(Buffer *buffer, const BIGNUM *value)
+{
+ int bits = BN_num_bits(value);
+ int bin_size = (bits + 7) / 8;
+ u_char *buf = xmalloc(bin_size);
+ int oi;
+ char msg[2];
+
+ /* Get the value of in binary */
+ oi = BN_bn2bin(value, buf);
+ if (oi != bin_size) {
+ error("buffer_put_bignum_ret: BN_bn2bin() failed: oi %d != bin_size %d",
+ oi, bin_size);
+ xfree(buf);
+ return (-1);
+ }
+
+ /* Store the number of bits in the buffer in two bytes, msb first. */
+ put_u16(msg, bits);
+ buffer_append(buffer, msg, 2);
+ /* Store the binary data. */
+ buffer_append(buffer, buf, oi);
+
+ memset(buf, 0, bin_size);
+ xfree(buf);
+
+ return (0);
+}
+
+void
+buffer_put_bignum(Buffer *buffer, const BIGNUM *value)
+{
+ if (buffer_put_bignum_ret(buffer, value) == -1)
+ fatal("buffer_put_bignum: buffer error");
+}
+
+/*
+ * Retrieves an BIGNUM from the buffer.
+ */
+int
+buffer_get_bignum_ret(Buffer *buffer, BIGNUM *value)
+{
+ u_int bits, bytes;
+ u_char buf[2], *bin;
+
+ /* Get the number for bits. */
+ if (buffer_get_ret(buffer, (char *) buf, 2) == -1) {
+ error("buffer_get_bignum_ret: invalid length");
+ return (-1);
+ }
+ bits = get_u16(buf);
+ /* Compute the number of binary bytes that follow. */
+ bytes = (bits + 7) / 8;
+ if (bytes > 8 * 1024) {
+ error("buffer_get_bignum_ret: cannot handle BN of size %d", bytes);
+ return (-1);
+ }
+ if (buffer_len(buffer) < bytes) {
+ error("buffer_get_bignum_ret: input buffer too small");
+ return (-1);
+ }
+ bin = buffer_ptr(buffer);
+ BN_bin2bn(bin, bytes, value);
+ if (buffer_consume_ret(buffer, bytes) == -1) {
+ error("buffer_get_bignum_ret: buffer_consume failed");
+ return (-1);
+ }
+ return (0);
+}
+
+void
+buffer_get_bignum(Buffer *buffer, BIGNUM *value)
+{
+ if (buffer_get_bignum_ret(buffer, value) == -1)
+ fatal("buffer_get_bignum: buffer error");
+}
+
+/*
+ * Stores an BIGNUM in the buffer in SSH2 format.
+ */
+int
+buffer_put_bignum2_ret(Buffer *buffer, const BIGNUM *value)
+{
+ u_int bytes;
+ u_char *buf;
+ int oi;
+ u_int hasnohigh = 0;
+
+ if (BN_is_zero(value)) {
+ buffer_put_int(buffer, 0);
+ return 0;
+ }
+ if (value->neg) {
+ error("buffer_put_bignum2_ret: negative numbers not supported");
+ return (-1);
+ }
+ bytes = BN_num_bytes(value) + 1; /* extra padding byte */
+ if (bytes < 2) {
+ error("buffer_put_bignum2_ret: BN too small");
+ return (-1);
+ }
+ buf = xmalloc(bytes);
+ buf[0] = 0x00;
+ /* Get the value of in binary */
+ oi = BN_bn2bin(value, buf+1);
+ if (oi < 0 || (u_int)oi != bytes - 1) {
+ error("buffer_put_bignum2_ret: BN_bn2bin() failed: "
+ "oi %d != bin_size %d", oi, bytes);
+ xfree(buf);
+ return (-1);
+ }
+ hasnohigh = (buf[1] & 0x80) ? 0 : 1;
+ buffer_put_string(buffer, buf+hasnohigh, bytes-hasnohigh);
+ memset(buf, 0, bytes);
+ xfree(buf);
+ return (0);
+}
+
+void
+buffer_put_bignum2(Buffer *buffer, const BIGNUM *value)
+{
+ if (buffer_put_bignum2_ret(buffer, value) == -1)
+ fatal("buffer_put_bignum2: buffer error");
+}
+
+int
+buffer_get_bignum2_ret(Buffer *buffer, BIGNUM *value)
+{
+ u_int len;
+ u_char *bin;
+
+ if ((bin = buffer_get_string_ret(buffer, &len)) == NULL) {
+ error("buffer_get_bignum2_ret: invalid bignum");
+ return (-1);
+ }
+
+ if (len > 0 && (bin[0] & 0x80)) {
+ error("buffer_get_bignum2_ret: negative numbers not supported");
+ xfree(bin);
+ return (-1);
+ }
+ if (len > 8 * 1024) {
+ error("buffer_get_bignum2_ret: cannot handle BN of size %d", len);
+ xfree(bin);
+ return (-1);
+ }
+ BN_bin2bn(bin, len, value);
+ xfree(bin);
+ return (0);
+}
+
+void
+buffer_get_bignum2(Buffer *buffer, BIGNUM *value)
+{
+ if (buffer_get_bignum2_ret(buffer, value) == -1)
+ fatal("buffer_get_bignum2: buffer error");
+}
diff --git a/usr.bin/ssh/lib/Makefile b/usr.bin/ssh/lib/Makefile
index eed873d8d48..ffe9f12696a 100644
--- a/usr.bin/ssh/lib/Makefile
+++ b/usr.bin/ssh/lib/Makefile
@@ -1,9 +1,9 @@
-# $OpenBSD: Makefile,v 1.52 2006/03/07 09:07:39 djm Exp $
+# $OpenBSD: Makefile,v 1.53 2006/04/18 10:44:28 dtucker Exp $
.PATH: ${.CURDIR}/..
LIB= ssh
-SRCS= authfd.c authfile.c bufaux.c buffer.c canohost.c channels.c \
+SRCS= authfd.c authfile.c bufaux.c bufbn.c buffer.c canohost.c channels.c \
cipher.c cipher-3des1.c cipher-bf1.c cipher-ctr.c \
cleanup.c compat.c compress.c crc32.c deattack.c fatal.c \
hostfile.c log.c match.c nchan.c packet.c readpass.c \
diff --git a/usr.bin/ssh/sftp-server/Makefile b/usr.bin/ssh/sftp-server/Makefile
index e0682391297..0d6068bce90 100644
--- a/usr.bin/ssh/sftp-server/Makefile
+++ b/usr.bin/ssh/sftp-server/Makefile
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.5 2001/03/03 23:59:36 markus Exp $
+# $OpenBSD: Makefile,v 1.6 2006/04/18 10:44:28 dtucker Exp $
.PATH: ${.CURDIR}/..
@@ -13,6 +13,3 @@ MAN= sftp-server.8
SRCS= sftp-server.c sftp-common.c
.include <bsd.prog.mk>
-
-LDADD+= -lcrypto
-DPADD+= ${LIBCRYPTO}
diff --git a/usr.bin/ssh/sftp/Makefile b/usr.bin/ssh/sftp/Makefile
index 4c59efb086d..98e17748c1d 100644
--- a/usr.bin/ssh/sftp/Makefile
+++ b/usr.bin/ssh/sftp/Makefile
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.9 2004/11/05 12:19:56 djm Exp $
+# $OpenBSD: Makefile,v 1.10 2006/04/18 10:44:28 dtucker Exp $
.PATH: ${.CURDIR}/..
@@ -14,5 +14,4 @@ SRCS= sftp.c sftp-client.c sftp-common.c sftp-glob.c
.include <bsd.prog.mk>
-LDADD+= -lcrypto -ledit -ltermcap
-DPADD+= ${LIBCRYPTO}
+LDADD+= -ledit -ltermcap
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-28 05:04:41 +0000