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- deraadt@cvs.openbsd.org 2001/03/03 06:53:12

Browse Source 
[ssh-keyscan.c]
     standard theo sweep
This commit is contained in:
Ben Lindstrom 2001-03-05 07:01:18 +00:00
parent 92a2e38f8e
commit d20b855bc6
2 changed files with 22 additions and 15 deletions
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5
ChangeLog
View File

@ -121,6 +121,9 @@
scp.c serverloop.c session.c sftp-server.8 sftp.1 ssh-add.1 ssh-add.c scp.c serverloop.c session.c sftp-server.8 sftp.1 ssh-add.1 ssh-add.c
ssh-agent.1 ssh-agent.c ssh-keygen.1 ssh.1 sshd.8] ssh-agent.1 ssh-agent.c ssh-keygen.1 ssh.1 sshd.8]
make copyright lines the same format make copyright lines the same format
- deraadt@cvs.openbsd.org 2001/03/03 06:53:12
[ssh-keyscan.c]
standard theo sweep
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- (bal) Remove make-ssh-known-hosts.1 since it's no longer valid. - (bal) Remove make-ssh-known-hosts.1 since it's no longer valid.
@ -4313,4 +4316,4 @@
- Wrote replacements for strlcpy and mkdtemp - Wrote replacements for strlcpy and mkdtemp
- Released 1.0pre1 - Released 1.0pre1
$Id: ChangeLog,v 1.888 2001/03/05 06:59:27 mouring Exp $ $Id: ChangeLog,v 1.889 2001/03/05 07:01:18 mouring Exp $

32
ssh-keyscan.c
View File

@ -8,7 +8,7 @@
*/ */
#include "includes.h" #include "includes.h"
RCSID("$OpenBSD: ssh-keyscan.c,v 1.17 2001/02/21 07:37:04 deraadt Exp $"); RCSID("$OpenBSD: ssh-keyscan.c,v 1.18 2001/03/03 06:53:12 deraadt Exp $");
#if defined(HAVE_SYS_QUEUE_H) && !defined(HAVE_BOGUS_SYS_QUEUE_H) #if defined(HAVE_SYS_QUEUE_H) && !defined(HAVE_BOGUS_SYS_QUEUE_H)
#include <sys/queue.h> #include <sys/queue.h>
@ -26,6 +26,7 @@ RCSID("$OpenBSD: ssh-keyscan.c,v 1.17 2001/02/21 07:37:04 deraadt Exp $");
#include "buffer.h" #include "buffer.h"
#include "bufaux.h" #include "bufaux.h"
#include "log.h" #include "log.h"
#include "atomicio.h"
static int argno = 1; /* Number of argument currently being parsed */ static int argno = 1; /* Number of argument currently being parsed */
@ -37,7 +38,7 @@ int family = AF_UNSPEC; /* IPv4, IPv6 or both */
int timeout = 5; int timeout = 5;
int maxfd; int maxfd;
#define maxcon (maxfd - 10) #define MAXCON (maxfd - 10)
#ifdef HAVE___PROGNAME #ifdef HAVE___PROGNAME
extern char *__progname; extern char *__progname;
@ -368,9 +369,9 @@ conalloc(char *iname, char *oname)
void void
confree(int s) confree(int s)
{ {
close(s);
if (s >= maxfd || fdcon[s].c_status == CS_UNUSED) if (s >= maxfd || fdcon[s].c_status == CS_UNUSED)
fatal("confree: attempt to free bad fdno %d", s); fatal("confree: attempt to free bad fdno %d", s);
close(s);
xfree(fdcon[s].c_namebase); xfree(fdcon[s].c_namebase);
xfree(fdcon[s].c_output_name); xfree(fdcon[s].c_output_name);
if (fdcon[s].c_status == CS_KEYS) if (fdcon[s].c_status == CS_KEYS)
@ -428,7 +429,7 @@ congreet(int s)
buf[n - 1] = '\0'; buf[n - 1] = '\0';
fprintf(stderr, "# %s %s\n", c->c_name, buf); fprintf(stderr, "# %s %s\n", c->c_name, buf);
n = snprintf(buf, sizeof buf, "SSH-1.5-OpenSSH-keyscan\r\n"); n = snprintf(buf, sizeof buf, "SSH-1.5-OpenSSH-keyscan\r\n");
if (write(s, buf, n) != n) { if (atomicio(write, s, buf, n) != n) {
error("write (%s): %s", c->c_name, strerror(errno)); error("write (%s): %s", c->c_name, strerror(errno));
confree(s); confree(s);
return; return;
@ -488,9 +489,8 @@ conloop(void)
gettimeofday(&now, NULL); gettimeofday(&now, NULL);
c = tq.tqh_first; c = tq.tqh_first;
if (c && if (c && (c->c_tv.tv_sec > now.tv_sec ||
(c->c_tv.tv_sec > now.tv_sec || (c->c_tv.tv_sec == now.tv_sec && c->c_tv.tv_usec > now.tv_usec))) {
(c->c_tv.tv_sec == now.tv_sec && c->c_tv.tv_usec > now.tv_usec))) {
seltime = c->c_tv; seltime = c->c_tv;
seltime.tv_sec -= now.tv_sec; seltime.tv_sec -= now.tv_sec;
seltime.tv_usec -= now.tv_usec; seltime.tv_usec -= now.tv_usec;
@ -506,18 +506,19 @@ conloop(void)
(errno == EAGAIN || errno == EINTR)) (errno == EAGAIN || errno == EINTR))
; ;
for (i = 0; i < maxfd; i++) for (i = 0; i < maxfd; i++) {
if (FD_ISSET(i, &e)) { if (FD_ISSET(i, &e)) {
error("%s: exception!", fdcon[i].c_name); error("%s: exception!", fdcon[i].c_name);
confree(i); confree(i);
} else if (FD_ISSET(i, &r)) } else if (FD_ISSET(i, &r))
conread(i); conread(i);
}
c = tq.tqh_first; c = tq.tqh_first;
while (c && while (c && (c->c_tv.tv_sec < now.tv_sec ||
(c->c_tv.tv_sec < now.tv_sec || (c->c_tv.tv_sec == now.tv_sec && c->c_tv.tv_usec < now.tv_usec))) {
(c->c_tv.tv_sec == now.tv_sec && c->c_tv.tv_usec < now.tv_usec))) {
int s = c->c_fd; int s = c->c_fd;
c = c->c_link.tqe_next; c = c->c_link.tqe_next;
conrecycle(s); conrecycle(s);
} }
@ -540,6 +541,7 @@ nexthost(int argc, char **argv)
return (argv[argno++]); return (argv[argno++]);
} else if (!strncmp(argv[argno], "-f", 2)) { } else if (!strncmp(argv[argno], "-f", 2)) {
char *fname; char *fname;
if (argv[argno][2]) if (argv[argno][2])
fname = &argv[argno++][2]; fname = &argv[argno++][2];
else if (++argno >= argc) { else if (++argno >= argc) {
@ -551,9 +553,11 @@ nexthost(int argc, char **argv)
fname = NULL; fname = NULL;
lb = Linebuf_alloc(fname, error); lb = Linebuf_alloc(fname, error);
} else } else
error("ignoring invalid/misplaced option `%s'", argv[argno++]); error("ignoring invalid/misplaced option `%s'",
argv[argno++]);
} else { } else {
char *line; char *line;
line = Linebuf_getline(lb); line = Linebuf_getline(lb);
if (line) if (line)
return (line); return (line);
@ -601,7 +605,7 @@ main(int argc, char **argv)
fatal("%s: fdlim_get: bad value", __progname); fatal("%s: fdlim_get: bad value", __progname);
if (maxfd > MAXMAXFD) if (maxfd > MAXMAXFD)
maxfd = MAXMAXFD; maxfd = MAXMAXFD;
if (maxcon <= 0) if (MAXCON <= 0)
fatal("%s: not enough file descriptors", __progname); fatal("%s: not enough file descriptors", __progname);
if (maxfd > fdlim_get(0)) if (maxfd > fdlim_get(0))
fdlim_set(maxfd); fdlim_set(maxfd);
@ -609,7 +613,7 @@ main(int argc, char **argv)
memset(fdcon, 0, maxfd * sizeof(con)); memset(fdcon, 0, maxfd * sizeof(con));
do { do {
while (ncon < maxcon) { while (ncon < MAXCON) {
char *name; char *name;
host = nexthost(argc, argv); host = nexthost(argc, argv);