diff options
| author | Dimitri Staessens <dimitri.staessens@ugent.be> | 2018-03-11 10:30:30 +0100 |
|---|---|---|
| committer | Sander Vrijders <sander.vrijders@ugent.be> | 2018-03-12 10:32:17 +0100 |
| commit | 6a4151baa8231cdaf746761fd8dc4aacb895c9e5 (patch) | |
| tree | 5d9bf738c4fcf0463e207940011834bc51aaba56 /src/ipcpd/eth/eth.c | |
| parent | 103e9d80b2970b4e8fc1f45d3bf48d95b8937d6a (diff) | |
| download | ouroboros-6a4151baa8231cdaf746761fd8dc4aacb895c9e5.tar.gz ouroboros-6a4151baa8231cdaf746761fd8dc4aacb895c9e5.zip | |
ipcpd: Add validity checks for eth-dix
This will check if the Ethertype value is a valid Ethertype in the irm
tool and the eth-dix IPCPd.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Diffstat (limited to 'src/ipcpd/eth/eth.c')
| -rw-r--r-- | src/ipcpd/eth/eth.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/ipcpd/eth/eth.c b/src/ipcpd/eth/eth.c index 9bbadf91..90143d2f 100644 --- a/src/ipcpd/eth/eth.c +++ b/src/ipcpd/eth/eth.c @@ -1106,6 +1106,10 @@ static int eth_ipcp_bootstrap(const struct ipcp_config * conf) memcpy(ifr.ifr_name, conf->dev, strlen(conf->dev)); #ifdef BUILD_ETH_DIX + if (conf->ethertype < 0x0600 || conf->ethertype == 0xFFFF) { + log_err("Invalid Ethertype."); + return -1; + } eth_data.ethertype = htons(conf->ethertype); #endif |