diff options
Diffstat (limited to 'accel-pptpd/ppp/lcp_opt_mru.c')
| -rw-r--r-- | accel-pptpd/ppp/lcp_opt_mru.c | 16 |
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 7ab75f9e..6a8c430f 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); } |