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- (djm) [misc.c] Use CLOCK_BOOTTIME in preference to CLOCK_MONOTONIC 

when it is available. It takes into account time spent suspended,
   thereby ensuring timeouts (e.g. for expiring agent keys) fire
   correctly. bz#2228 reported by John Haxby
This commit is contained in:
Damien Miller 2014-05-21 17:12:53 +10:00
parent 18912775cb
commit 795b86313f
3 changed files with 27 additions and 4 deletions
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4
ChangeLog
View File

@ -2,6 +2,10 @@
- (djm) [commit configure.ac defines.h sshpty.c] don't attempt to use
vhangup on Linux. It doens't work for non-root users, and for them
it just messes up the tty settings.
- (djm) [misc.c] Use CLOCK_BOOTTIME in preference to CLOCK_MONOTONIC
when it is available. It takes into account time spent suspended,
thereby ensuring timeouts (e.g. for expiring agent keys) fire
correctly. bz#2228 reported by John Haxby
20140519
- (djm) [rijndael.c rijndael.h] Sync with newly-ressurected versions ine

16
channels.c
View File

@ -2700,6 +2700,7 @@ channel_set_af(int af)
* "0.0.0.0" -> wildcard v4/v6 if SSH_OLD_FORWARD_ADDR
* "" (empty string), "*" -> wildcard v4/v6
* "localhost" -> loopback v4/v6
* "127.0.0.1" / "::1" -> accepted even if gateway_ports isn't set
*/
static const char *
channel_fwd_bind_addr(const char *listen_addr, int *wildcardp,
@ -2729,9 +2730,20 @@ channel_fwd_bind_addr(const char *listen_addr, int *wildcardp,
"\"%s\" overridden by server "
"GatewayPorts", listen_addr);
}
}
else if (strcmp(listen_addr, "localhost") != 0)
} else if (strcmp(listen_addr, "localhost") != 0 ||
strcmp(listen_addr, "127.0.0.1") == 0 ||
strcmp(listen_addr, "::1") == 0) {
/* Accept localhost address when GatewayPorts=yes */
addr = listen_addr;
}
} else if (strcmp(listen_addr, "127.0.0.1") == 0 ||
strcmp(listen_addr, "::1") == 0) {
/*
* If a specific IPv4/IPv6 localhost address has been
* requested then accept it even if gateway_ports is in
* effect. This allows the client to prefer IPv4 or IPv6.
*/
addr = listen_addr;
}
if (wildcardp != NULL)
*wildcardp = wildcard;

11
misc.c
View File

@ -882,17 +882,24 @@ ms_to_timeval(struct timeval *tv, int ms)
time_t
monotime(void)
{
#if defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
#if defined(HAVE_CLOCK_GETTIME) && \
(defined(CLOCK_MONOTONIC) || defined(CLOCK_BOOTTIME))
struct timespec ts;
static int gettime_failed = 0;
if (!gettime_failed) {
#if defined(CLOCK_BOOTTIME)
if (clock_gettime(CLOCK_BOOTTIME, &ts) == 0)
return (ts.tv_sec);
#endif
#if defined(CLOCK_MONOTONIC)
if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0)
return (ts.tv_sec);
#endif
debug3("clock_gettime: %s", strerror(errno));
gettime_failed = 1;
}
#endif
#endif /* HAVE_CLOCK_GETTIME && (CLOCK_MONOTONIC || CLOCK_BOOTTIME */
return time(NULL);
}