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handle truncated packet

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wangyu-
2018-02-20 06:10:18 -06:00
parent 3138b2ca8e
commit 7cb65ec45d
3 changed files with 22 additions and 4 deletions
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8
network.cpp
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@@ -704,7 +704,13 @@ int recv_raw_ip(raw_info_t &raw_info,char * &payload,int &payloadlen)
struct sockaddr_ll saddr={0};
socklen_t saddr_size = sizeof(saddr);
int flag=0;
int recv_len = recvfrom(raw_recv_fd, recv_raw_ip_buf, max_data_len, flag ,(sockaddr*)&saddr , &saddr_size);
int recv_len = recvfrom(raw_recv_fd, recv_raw_ip_buf, max_data_len+1, flag ,(sockaddr*)&saddr , &saddr_size);
if(recv_len==max_data_len+1)
{
mylog(log_warn,"huge packet, data_len > %d,dropped\n",max_data_len);
return -1;
}
if(recv_len<0)
{