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Do not use the _syscall5 macro -- use syscall(2) instead
[oweals/busybox.git]
/
util-linux
/
rdate.c
diff --git
a/util-linux/rdate.c
b/util-linux/rdate.c
index a5699ebf4d1808a593dc33eb729a7f75961f00e3..c9a7ffeabe2970ae7ce5ca664c6043fa0fd8b3b2 100644
(file)
--- a/
util-linux/rdate.c
+++ b/
util-linux/rdate.c
@@
-32,21
+32,31
@@
#include <time.h>
#include <stdlib.h>
#include <unistd.h>
#include <time.h>
#include <stdlib.h>
#include <unistd.h>
+#include <signal.h>
+
#include "busybox.h"
static const int RFC_868_BIAS = 2208988800UL;
#include "busybox.h"
static const int RFC_868_BIAS = 2208988800UL;
+static void socket_timeout(int sig)
+{
+ bb_error_msg_and_die("timeout connecting to time server");
+}
+
static time_t askremotedate(const char *host)
{
unsigned long int nett, localt;
static time_t askremotedate(const char *host)
{
unsigned long int nett, localt;
-
const char *port="37"
;
+
struct sockaddr_in s_in
;
int fd;
int fd;
- if (getservbyname("time", "tcp") != NULL)
- port="time";
+ bb_lookup_host(&s_in, host, "time");
+
+ /* Add a timeout for dead or non accessable servers */
+ alarm(10);
+ signal(SIGALRM, socket_timeout);
- fd = xconnect(
host, port
);
+ fd = xconnect(
&s_in
);
if (safe_read(fd, (void *)&nett, 4) != 4) /* read time from server */
bb_error_msg_and_die("%s did not send the complete time", host);
if (safe_read(fd, (void *)&nett, 4) != 4) /* read time from server */
bb_error_msg_and_die("%s did not send the complete time", host);