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authorDamien Miller <djm@mindrot.org>2000-05-07 12:03:14 +1000
committerDamien Miller <djm@mindrot.org>2000-05-07 12:03:14 +1000
commite247cc402bc391650f014316363dbce78ad85dc7 (patch)
tree65d72c3d3514c6119f47017f14b71ed153485a5d /packet.c
parent0437b33e54fd72060d17908d6abf96bfabaacad2 (diff)
downloadopenssh-git-e247cc402bc391650f014316363dbce78ad85dc7.tar.gz
- Remove references to SSLeay.
- Big OpenBSD CVS update - markus@cvs.openbsd.org [clientloop.c] - typo [session.c] - update proctitle on pty alloc/dealloc, e.g. w/ windows client [session.c] - update proctitle for proto 1, too [channels.h nchan.c serverloop.c session.c sshd.c] - use c-style comments - deraadt@cvs.openbsd.org [scp.c] - more atomicio - markus@cvs.openbsd.org [channels.c] - set O_NONBLOCK [ssh.1] - update AUTHOR [readconf.c ssh-keygen.c ssh.h] - default DSA key file ~/.ssh/id_dsa [clientloop.c] - typo, rm verbose debug - deraadt@cvs.openbsd.org [ssh-keygen.1] - document DSA use of ssh-keygen [sshd.8] - a start at describing what i understand of the DSA side [ssh-keygen.1] - document -X and -x [ssh-keygen.c] - simplify usage - markus@cvs.openbsd.org [sshd.8] - there is no rhosts_dsa [ssh-keygen.1] - document -y, update -X,-x [nchan.c] - fix close for non-open ssh1 channels [servconf.c servconf.h ssh.h sshd.8 sshd.c ] - s/DsaKey/HostDSAKey/, document option [sshconnect2.c] - respect number_of_password_prompts [channels.c channels.h servconf.c servconf.h session.c sshd.8] - GatewayPorts for sshd, ok deraadt@ [ssh-add.1 ssh-agent.1 ssh.1] - more doc on: DSA, id_dsa, known_hosts2, authorized_keys2 [ssh.1] - more info on proto 2 [sshd.8] - sync AUTHOR w/ ssh.1 [key.c key.h sshconnect.c] - print key type when talking about host keys [packet.c] - clear padding in ssh2 [dsa.c key.c radix.c ssh.h sshconnect1.c uuencode.c uuencode.h] - replace broken uuencode w/ libc b64_ntop [auth2.c] - log failure before sending the reply [key.c radix.c uuencode.c] - remote trailing comments before calling __b64_pton [auth2.c readconf.c readconf.h servconf.c servconf.h ssh.1] [sshconnect2.c sshd.8] - add DSAAuthetication option to ssh/sshd, document SSH2 in sshd.8 - Bring in b64_ntop and b64_pton from OpenBSD libc (bsd-base64.[ch])
Diffstat (limited to 'packet.c')
-rw-r--r--packet.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/packet.c b/packet.c
index e70d0609..dfe21fa1 100644
--- a/packet.c
+++ b/packet.c
@@ -17,7 +17,7 @@
*/
#include "includes.h"
-RCSID("$Id: packet.c,v 1.21 2000/05/01 11:10:33 damien Exp $");
+RCSID("$Id: packet.c,v 1.22 2000/05/07 02:03:17 damien Exp $");
#include "xmalloc.h"
#include "buffer.h"
@@ -465,7 +465,7 @@ packet_send1()
/* Compute packet length without padding (add checksum, remove padding). */
len = buffer_len(&outgoing_packet) + 4 - 8;
- /* Insert padding. */
+ /* Insert padding. Initialized to zero in packet_start1() */
padding = 8 - len % 8;
if (cipher_type != SSH_CIPHER_NONE) {
cp = buffer_ptr(&outgoing_packet);
@@ -569,12 +569,16 @@ packet_send2()
padlen += block_size;
buffer_append_space(&outgoing_packet, &cp, padlen);
if (enc && enc->type != SSH_CIPHER_NONE) {
+ /* random padding */
for (i = 0; i < padlen; i++) {
if (i % 4 == 0)
rand = arc4random();
cp[i] = rand & 0xff;
rand <<= 8;
}
+ } else {
+ /* clear padding */
+ memset(cp, 0, padlen);
}
/* packet_length includes payload, padding and padding length field */
packet_length = buffer_len(&outgoing_packet) - 4;
@@ -657,10 +661,11 @@ packet_read(int *payload_len_ptr)
for (;;) {
/* Try to read a packet from the buffer. */
type = packet_read_poll(payload_len_ptr);
- if (type == SSH_SMSG_SUCCESS
+ if (!use_ssh2_packet_format && (
+ type == SSH_SMSG_SUCCESS
|| type == SSH_SMSG_FAILURE
|| type == SSH_CMSG_EOF
- || type == SSH_CMSG_EXIT_CONFIRMATION)
+ || type == SSH_CMSG_EXIT_CONFIRMATION))
packet_integrity_check(*payload_len_ptr, 0, type);
/* If we got a packet, return it. */
if (type != SSH_MSG_NONE)