The 1.3.0 version of pptpd produces lots of noise in the debug log. My log
today way 29MB all the same thing:
GRE: accepting #.........
GRE: accepting #.........
GRE: accepting #.........
GRE: accepting #.........
GRE: accepting #.........
Looks like a bug (missing if (pptpctrl_debug)).
I used the following openwrt patch:
pptpgre-use-debug-option.patch:
diff -Nur pptpd-1.3.0/pptpgre.c.orig pptpd-1.3.0/pptpgre.c
--- pptpd-1.3.0/pptpgre.c.orig 2006-04-18 02:13:10.000000000 -0400
+++ pptpd-1.3.0/pptpgre.c 2006-04-18 02:14:19.000000000 -0400
@@ -46,6 +46,9 @@
#define PACKET_MAX 8196
+/* Command Line Variable Args */
+extern int pptpctrl_debug;
+
typedef int (*callback_t)(int cl, void *pack, unsigned int len);
/* test for a 32 bit counter overflow */
@@ -319,7 +322,9 @@
stats.rx_lost += head->seq - gre.seq_recv - 1;
syslog(LOG_DEBUG, "GRE: timeout waiting for %d
packets", head->seq -
gre.seq_recv - 1);
}
- syslog(LOG_DEBUG, "GRE: accepting #%d from queue", head->seq);
+ if (pptpctrl_debug) {
+ syslog(LOG_DEBUG, "GRE: accepting #%d from queue",
head->seq);
+ }
gre.seq_recv = head->seq;
status = callback(cl, head->packet, head->packlen);
pqueue_del(head);
@@ -399,7 +404,9 @@
}
/* check for out-of-order sequence number */
if (seq_greater(seq, gre.seq_recv)) {
- syslog(LOG_DEBUG, "GRE: accepting packet #%d", seq);
+ if (pptpctrl_debug) {
+ syslog(LOG_DEBUG, "GRE: accepting packet #%d",
seq);
+ }
stats.rx_accepted++;
gre.seq_recv = seq;
return cb(cl, buffer + ip_len + headersize,
payload_len);
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