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7th os detection try

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Lorenz Stechauner
2020-08-13 12:54:03 +02:00
parent 65828e713e
commit 9a0d57c3bc
1 changed files with 5 additions and 6 deletions
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11
src/client.cpp
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@ -103,17 +103,16 @@ IpAddressInfo get_ip_address_info(Address* addr) {
} }
string get_os_info(int fd) { string get_os_info(int fd) {
struct tcp_info ti; struct tcp_repair_window trw;
socklen_t tisize = sizeof(ti); socklen_t trwsize = sizeof(trw);
getsockopt(fd, IPPROTO_TCP, TCP_INFO, &ti, &tisize); getsockopt(fd, IPPROTO_TCP, TCP_REPAIR_WINDOW, &trw, &trwsize);
int winsize_rcv = ti.tcpi_rcv_mss;
int winsize_snd = ti.tcpi_snd_mss;
int ttl; int ttl;
socklen_t ttlsize = sizeof(ttl); socklen_t ttlsize = sizeof(ttl);
getsockopt(fd, IPPROTO_IP, IP_TTL, &ttl, &ttlsize); getsockopt(fd, IPPROTO_IP, IP_TTL, &ttl, &ttlsize);
return "win_size=" + to_string(winsize_rcv) + "/" + to_string(winsize_snd) + ", ttl=" + to_string(ttl); return "win_size=" + to_string(trw.snd_wnd) + "/" + to_string(trw.rcv_wnd) + "/" + to_string(trw.max_window) + "/" +
to_string(trw.rcv_wup) + "/" + to_string(trw.snd_wl1) + ", ttl=" + to_string(ttl);
} }
string getETag(string filename) { string getETag(string filename) {