1 files changed, 81 insertions, 0 deletions
diff --git a/package/ppp/patches/patch-pppd_main_c b/package/ppp/patches/patch-pppd_main_c
new file mode 100644
index 000000000..22e6a64f8
--- /dev/null
+++ b/package/ppp/patches/patch-pppd_main_c
@@ -0,0 +1,81 @@
+--- ppp-2.4.4.orig/pppd/main.c	2006-06-04 05:52:50.000000000 +0200
++++ ppp-2.4.4/pppd/main.c	2009-06-05 19:12:00.000000000 +0200
+@@ -90,6 +90,7 @@
+ #include <sys/socket.h>
+ #include <netinet/in.h>
+ #include <arpa/inet.h>
++#include <sys/sysinfo.h>
+ 
+ #include "pppd.h"
+ #include "magic.h"
+@@ -227,6 +228,7 @@ static struct subprocess *children;
+ 
+ /* Prototypes for procedures local to this file. */
+ 
++static void check_time(void);
+ static void setup_signals __P((void));
+ static void create_pidfile __P((int pid));
+ static void create_linkpidfile __P((int pid));
+@@ -529,6 +531,7 @@ main(argc, argv)
+ 	    info("Starting link");
+ 	}
+ 
++	check_time();
+ 	gettimeofday(&start_time, NULL);
+ 	script_unsetenv("CONNECT_TIME");
+ 	script_unsetenv("BYTES_SENT");
+@@ -1262,6 +1265,36 @@ struct	callout {
+ 
+ static struct callout *callout = NULL;	/* Callout list */
+ static struct timeval timenow;		/* Current time */
++static long uptime_diff = 0;
++static int uptime_diff_set = 0;
++
++static void check_time(void)
++{
++	long new_diff;
++	struct timeval t;
++	struct sysinfo i;
++    struct callout *p;
++	
++	gettimeofday(&t, NULL);
++	sysinfo(&i);
++	new_diff = t.tv_sec - i.uptime;
++	
++	if (!uptime_diff_set) {
++		uptime_diff = new_diff;
++		uptime_diff_set = 1;
++		return;
++	}
++
++	if ((new_diff - 5 > uptime_diff) || (new_diff + 5 < uptime_diff)) {
++		/* system time has changed, update counters and timeouts */
++		info("System time change detected.");
++		start_time.tv_sec += new_diff - uptime_diff;
++		
++    	for (p = callout; p != NULL; p = p->c_next)
++			p->c_time.tv_sec += new_diff - uptime_diff;
++	}
++	uptime_diff = new_diff;
++}
+ 
+ /*
+  * timeout - Schedule a timeout.
+@@ -1332,6 +1365,8 @@ calltimeout()
+ {
+     struct callout *p;
+ 
++	check_time();
++	
+     while (callout != NULL) {
+ 	p = callout;
+ 
+@@ -1359,6 +1394,8 @@ timeleft(tvp)
+ {
+     if (callout == NULL)
+ 	return NULL;
++	
++	check_time();
+ 
+     gettimeofday(&timenow, NULL);
+     tvp->tv_sec = callout->c_time.tv_sec - timenow.tv_sec;