cmhi
/
f-stack
mirror of https://github.com/F-Stack/f-stack.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Fix endless loop when connect to a peer if all ports are completely used.

This commit is contained in:
logwang 2017-09-11 11:01:18 +08:00
parent 85eb2ae96a
commit 1cd6edf41e
1 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
freebsd/netinet/in_pcb.c
View File

@ -1114,9 +1114,11 @@ in_pcbconnect_setup(struct inpcb *inp, struct sockaddr *nam,
return (error);
}
#else
{
struct ifaddr *ifa;
struct ifnet *ifp;
struct sockaddr_in ifp_sin;
unsigned loop_count = 0;
bzero(&ifp_sin, sizeof(ifp_sin));
ifp_sin.sin_addr.s_addr = laddr.s_addr;
ifp_sin.sin_family = AF_INET;
@ -1138,6 +1140,15 @@ in_pcbconnect_setup(struct inpcb *inp, struct sockaddr *nam,
break;
}
lport = 0;
/* Note:
* if all ports are completely used, just return.
* this ugly code is not a correct way, it just lets loop quit.
* we will fix it as soon as possible.
*/
if (++loop_count >= 65535) {
return (EADDRNOTAVAIL);
}
}
}
#endif
*laddrp = laddr.s_addr;