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wangyu-
2018-08-29 20:00:37 -05:00
parent c72480110f
commit 92fcdbb31a
3 changed files with 56 additions and 16 deletions
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5
network.cpp
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@@ -460,6 +460,7 @@ void remove_filter()
//exit(-1);
}
}
int init_ifindex(const char * if_name,int fd,int &index)
{
struct ifreq ifr;
@@ -1327,7 +1328,7 @@ int send_raw_tcp(raw_info_t &raw_info,const char * payload, int payloadlen) {
tcph->urg = 0;
//tcph->window = htons((uint16_t)(1024));
tcph->window = htons((uint16_t) (receive_window_lower_bound + random() % receive_window_random_range));
tcph->window = htons((uint16_t) (receive_window_lower_bound + get_true_random_number() % receive_window_random_range));
tcph->check = 0; //leave checksum 0 now, filled later by pseudo header
tcph->urg_ptr = 0;
@@ -2266,7 +2267,7 @@ int after_send_raw0(raw_info_t &raw_info)
send_info.seq += raw_info.send_info.data_len; //////////////////modify
} else if (seq_mode == 2)
{
if (random() % 5 == 3)
if (get_true_random_number() % 5 == 3)
send_info.seq += raw_info.send_info.data_len; //////////////////modify
}
else if(seq_mode==3||seq_mode==4)