Use a random port when connecting

(cherry picked from commit f584b61c93a97e1a9852f306acba673ced21e03a)
This commit is contained in:
James R 2019-12-18 15:34:55 -08:00
parent a335d6b583
commit b1f5e66a23
2 changed files with 12 additions and 4 deletions

View file

@ -43,6 +43,8 @@ extern SINT8 nodetoplayer4[MAXNETNODES]; // Say the numplayer for this node if a
extern UINT8 playerpernode[MAXNETNODES]; // Used specially for splitscreen extern UINT8 playerpernode[MAXNETNODES]; // Used specially for splitscreen
extern boolean nodeingame[MAXNETNODES]; // Set false as nodes leave game extern boolean nodeingame[MAXNETNODES]; // Set false as nodes leave game
extern boolean serverrunning;
INT32 Net_GetFreeAcks(boolean urgent); INT32 Net_GetFreeAcks(boolean urgent);
void Net_AckTicker(void); void Net_AckTicker(void);

View file

@ -924,6 +924,7 @@ static boolean UDP_Socket(void)
#ifdef HAVE_IPV6 #ifdef HAVE_IPV6
const INT32 b_ipv6 = M_CheckParm("-ipv6"); const INT32 b_ipv6 = M_CheckParm("-ipv6");
#endif #endif
const char *serv;
for (s = 0; s < mysocketses; s++) for (s = 0; s < mysocketses; s++)
@ -939,11 +940,16 @@ static boolean UDP_Socket(void)
hints.ai_socktype = SOCK_DGRAM; hints.ai_socktype = SOCK_DGRAM;
hints.ai_protocol = IPPROTO_UDP; hints.ai_protocol = IPPROTO_UDP;
if (serverrunning)
serv = port_name;
else
serv = NULL;/* any port */
if (M_CheckParm("-bindaddr")) if (M_CheckParm("-bindaddr"))
{ {
while (M_IsNextParm()) while (M_IsNextParm())
{ {
gaie = I_getaddrinfo(M_GetNextParm(), port_name, &hints, &ai); gaie = I_getaddrinfo(M_GetNextParm(), serv, &hints, &ai);
if (gaie == 0) if (gaie == 0)
{ {
runp = ai; runp = ai;
@ -964,7 +970,7 @@ static boolean UDP_Socket(void)
} }
else else
{ {
gaie = I_getaddrinfo("0.0.0.0", port_name, &hints, &ai); gaie = I_getaddrinfo("0.0.0.0", serv, &hints, &ai);
if (gaie == 0) if (gaie == 0)
{ {
runp = ai; runp = ai;
@ -997,7 +1003,7 @@ static boolean UDP_Socket(void)
{ {
while (M_IsNextParm()) while (M_IsNextParm())
{ {
gaie = I_getaddrinfo(M_GetNextParm(), port_name, &hints, &ai); gaie = I_getaddrinfo(M_GetNextParm(), serv, &hints, &ai);
if (gaie == 0) if (gaie == 0)
{ {
runp = ai; runp = ai;
@ -1018,7 +1024,7 @@ static boolean UDP_Socket(void)
} }
else else
{ {
gaie = I_getaddrinfo("::", port_name, &hints, &ai); gaie = I_getaddrinfo("::", serv, &hints, &ai);
if (gaie == 0) if (gaie == 0)
{ {
runp = ai; runp = ai;