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author | Kozlov Dmitry <dima@server> | 2010-11-30 15:27:59 +0300 |
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committer | Kozlov Dmitry <dima@server> | 2010-11-30 15:27:59 +0300 |
commit | 575d140f9f67ce0ae6b93b9c6b47f6c7098864bb (patch) | |
tree | 27ee88d91fdd1d62b67b7312341fa88b125ca4cf /accel-pptpd/ppp/lcp_opt_mru.c | |
parent | 9f69311cce90c269d3e0c718e40c56484d1788b9 (diff) | |
download | accel-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.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 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); } |