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openssh-portable
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- millert@cvs.openbsd.org 2001/03/03 21:41:07 

[packet.c]
     Dynamically allocate fd_set; deraadt@ OK
This commit is contained in:
Ben Lindstrom 2001-03-05 07:07:49 +00:00
parent cb80bdf6d5
commit cb978aa057
2 changed files with 25 additions and 12 deletions
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5
ChangeLog
View File

@ -131,6 +131,9 @@
- millert@cvs.openbsd.org 2001/03/03 21:40:30 - millert@cvs.openbsd.org 2001/03/03 21:40:30
[sftp-server.c] [sftp-server.c]
Dynamically allocate fd_set; deraadt@ OK Dynamically allocate fd_set; deraadt@ OK
- millert@cvs.openbsd.org 2001/03/03 21:41:07
[packet.c]
Dynamically allocate fd_set; deraadt@ OK
20010304 20010304
- (bal) Remove make-ssh-known-hosts.1 since it's no longer valid. - (bal) Remove make-ssh-known-hosts.1 since it's no longer valid.
@ -4323,4 +4326,4 @@
- Wrote replacements for strlcpy and mkdtemp - Wrote replacements for strlcpy and mkdtemp
- Released 1.0pre1 - Released 1.0pre1
$Id: ChangeLog,v 1.891 2001/03/05 07:06:12 mouring Exp $ $Id: ChangeLog,v 1.892 2001/03/05 07:07:49 mouring Exp $

32
packet.c
View File

@ -37,7 +37,7 @@
*/ */
#include "includes.h" #include "includes.h"
RCSID("$OpenBSD: packet.c,v 1.55 2001/03/01 02:45:10 deraadt Exp $"); RCSID("$OpenBSD: packet.c,v 1.56 2001/03/03 21:41:07 millert Exp $");
#include "xmalloc.h" #include "xmalloc.h"
#include "buffer.h" #include "buffer.h"
@ -660,10 +660,13 @@ int
packet_read(int *payload_len_ptr) packet_read(int *payload_len_ptr)
{ {
int type, len; int type, len;
fd_set set; fd_set *setp;
char buf[8192]; char buf[8192];
DBG(debug("packet_read()")); DBG(debug("packet_read()"));
setp = (fd_set *)xmalloc(howmany(connection_in+1, NFDBITS) *
sizeof(fd_mask));
/* Since we are blocking, ensure that all written packets have been sent. */ /* Since we are blocking, ensure that all written packets have been sent. */
packet_write_wait(); packet_write_wait();
@ -678,17 +681,20 @@ packet_read(int *payload_len_ptr)
|| type == SSH_CMSG_EXIT_CONFIRMATION)) || type == SSH_CMSG_EXIT_CONFIRMATION))
packet_integrity_check(*payload_len_ptr, 0, type); packet_integrity_check(*payload_len_ptr, 0, type);
/* If we got a packet, return it. */ /* If we got a packet, return it. */
if (type != SSH_MSG_NONE) if (type != SSH_MSG_NONE) {
xfree(setp);
return type; return type;
}
/* /*
* Otherwise, wait for some data to arrive, add it to the * Otherwise, wait for some data to arrive, add it to the
* buffer, and try again. * buffer, and try again.
*/ */
FD_ZERO(&set); memset(setp, 0, howmany(connection_in + 1, NFDBITS) *
FD_SET(connection_in, &set); sizeof(fd_mask));
FD_SET(connection_in, setp);
/* Wait for some data to arrive. */ /* Wait for some data to arrive. */
while (select(connection_in + 1, &set, NULL, NULL, NULL) == -1 && while (select(connection_in + 1, setp, NULL, NULL, NULL) == -1 &&
(errno == EAGAIN || errno == EINTR)) (errno == EAGAIN || errno == EINTR))
; ;
@ -1194,17 +1200,21 @@ packet_write_poll()
void void
packet_write_wait() packet_write_wait()
{ {
fd_set *setp;
setp = (fd_set *)xmalloc(howmany(connection_out + 1, NFDBITS) *
sizeof(fd_mask));
packet_write_poll(); packet_write_poll();
while (packet_have_data_to_write()) { while (packet_have_data_to_write()) {
fd_set set; memset(setp, 0, howmany(connection_out + 1, NFDBITS) *
sizeof(fd_mask));
FD_ZERO(&set); FD_SET(connection_out, setp);
FD_SET(connection_out, &set); while (select(connection_out + 1, NULL, setp, NULL, NULL) == -1 &&
while (select(connection_out + 1, NULL, &set, NULL, NULL) == -1 &&
(errno == EAGAIN || errno == EINTR)) (errno == EAGAIN || errno == EINTR))
; ;
packet_write_poll(); packet_write_poll();
} }
xfree(setp);
} }
/* Returns true if there is buffered data to write to the connection. */ /* Returns true if there is buffered data to write to the connection. */