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- deraadt@cvs.openbsd.org 2001/02/12 22:56:09 

[clientloop.c packet.c ssh-keyscan.c]
     deal with EAGAIN/EINTR selects which were skipped
This commit is contained in:
Ben Lindstrom 2001-02-15 03:12:08 +00:00
parent d8a9021f36
commit f9452513fc
4 changed files with 27 additions and 7 deletions
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5
ChangeLog
View File

@ -20,6 +20,9 @@
ssh-keygen.c sshd.8]
PermitRootLogin={yes,without-password,forced-commands-only,no}
(before this change, root could login even if PermitRootLogin==no)
- deraadt@cvs.openbsd.org 2001/02/12 22:56:09
[clientloop.c packet.c ssh-keyscan.c]
deal with EAGAIN/EINTR selects which were skipped
20010214
- (djm) Don't try to close PAM session or delete credentials if the
@ -3948,4 +3951,4 @@
- Wrote replacements for strlcpy and mkdtemp
- Released 1.0pre1
$Id: ChangeLog,v 1.764 2001/02/15 03:08:27 mouring Exp $
$Id: ChangeLog,v 1.765 2001/02/15 03:12:08 mouring Exp $

11
clientloop.c
View File

@ -59,7 +59,7 @@
*/
#include "includes.h"
RCSID("$OpenBSD: clientloop.c,v 1.49 2001/02/08 19:30:51 itojun Exp $");
RCSID("$OpenBSD: clientloop.c,v 1.51 2001/02/13 21:51:09 markus Exp $");
#include "ssh.h"
#include "ssh1.h"
@ -406,6 +406,15 @@ client_wait_until_can_do_something(fd_set **readsetp, fd_set **writesetp,
if (select((*maxfdp)+1, *readsetp, *writesetp, NULL, NULL) < 0) {
char buf[100];
/*
* We have to clear the select masks, because we return.
* We have to return, because the mainloop checks for the flags
* set by the signal handlers.
*/
memset(*readsetp, 0, *maxfdp);
memset(*writesetp, 0, *maxfdp);
if (errno == EINTR)
return;
/* Note: we might still have data in the buffers. */

11
packet.c
View File

@ -37,7 +37,7 @@
*/
#include "includes.h"
RCSID("$OpenBSD: packet.c,v 1.50 2001/02/11 12:59:25 markus Exp $");
RCSID("$OpenBSD: packet.c,v 1.51 2001/02/12 22:56:09 deraadt Exp $");
#include "xmalloc.h"
#include "buffer.h"
@ -688,7 +688,9 @@ packet_read(int *payload_len_ptr)
FD_SET(connection_in, &set);
/* Wait for some data to arrive. */
select(connection_in + 1, &set, NULL, NULL, NULL);
while (select(connection_in + 1, &set, NULL, NULL, NULL) == -1 &&
(errno == EAGAIN || errno == EINTR))
;
/* Read data from the socket. */
len = read(connection_in, buf, sizeof(buf));
@ -1195,9 +1197,12 @@ packet_write_wait()
packet_write_poll();
while (packet_have_data_to_write()) {
fd_set set;
FD_ZERO(&set);
FD_SET(connection_out, &set);
select(connection_out + 1, NULL, &set, NULL, NULL);
while (select(connection_out + 1, NULL, &set, NULL, NULL) == -1 &&
(errno == EAGAIN || errno == EINTR))
;
packet_write_poll();
}
}

7
ssh-keyscan.c
View File

@ -8,7 +8,7 @@
*/
#include "includes.h"
RCSID("$OpenBSD: ssh-keyscan.c,v 1.15 2001/02/09 09:04:59 itojun Exp $");
RCSID("$OpenBSD: ssh-keyscan.c,v 1.16 2001/02/12 22:56:10 deraadt Exp $");
#if defined(HAVE_SYS_QUEUE_H) && !defined(HAVE_BOGUS_SYS_QUEUE_H)
#include <sys/queue.h>
@ -498,7 +498,10 @@ conloop(void)
seltime.tv_sec = seltime.tv_usec = 0;
r = e = read_wait;
select(maxfd, &r, NULL, &e, &seltime);
while (select(maxfd, &r, NULL, &e, &seltime) == -1 &&
(errno == EAGAIN || errno == EINTR))
;
for (i = 0; i < maxfd; i++)
if (FD_ISSET(i, &e)) {
error("%s: exception!", fdcon[i].c_name);