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authorKozlov Dmitry <dima@server>2010-11-30 15:27:59 +0300
committerKozlov Dmitry <dima@server>2010-11-30 15:27:59 +0300
commit575d140f9f67ce0ae6b93b9c6b47f6c7098864bb (patch)
tree27ee88d91fdd1d62b67b7312341fa88b125ca4cf /accel-pptpd/ppp/lcp_opt_mru.c
parent9f69311cce90c269d3e0c718e40c56484d1788b9 (diff)
downloadaccel-ppp-xebd-575d140f9f67ce0ae6b93b9c6b47f6c7098864bb.tar.gz
accel-ppp-xebd-575d140f9f67ce0ae6b93b9c6b47f6c7098864bb.zip
ppp: configuration checks
Diffstat (limited to 'accel-pptpd/ppp/lcp_opt_mru.c')
-rw-r--r--accel-pptpd/ppp/lcp_opt_mru.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/accel-pptpd/ppp/lcp_opt_mru.c b/accel-pptpd/ppp/lcp_opt_mru.c
index 7ab75f9..6a8c430 100644
--- a/accel-pptpd/ppp/lcp_opt_mru.c
+++ b/accel-pptpd/ppp/lcp_opt_mru.c
@@ -2,6 +2,7 @@
#include <string.h>
#include <errno.h>
#include <stdio.h>
+#include <unistd.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <sys/ioctl.h>
@@ -167,6 +168,21 @@ static void __init mru_opt_init()
opt = conf_get_opt("ppp", "max-mtu");
if (opt && atoi(opt) > 0)
conf_max_mtu = atoi(opt);
+
+ if (conf_min_mtu > conf_mru) {
+ log_emerg("min-mtu cann't be greater then mtu/mru\n");
+ _exit(-1);
+ }
+
+ if (conf_min_mtu > 1500) {
+ log_emerg("min-mtu cann't be greater then 1500\n");
+ _exit(-1);
+ }
+
+ if (conf_mru > 1500 || conf_mtu > 1500) {
+ log_emerg("mtu/mru cann't be greater then 1500\n");
+ _exit(-1);
+ }
lcp_option_register(&mru_opt_hnd);
}