ExternalVendorCode/ZeroTierOne
1
0
Fork 0
mirror of https://github.com/zerotier/ZeroTierOne.git synced 2025-06-13 04:38:28 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Improved bind() logic, added more error handling to accept()

Browse Source
This commit is contained in:
Joseph Henry
2015-10-13 18:33:56 -04:00
parent 8a05efa365
commit aa6ff039c4
3 changed files with 48 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
netcon/NetconEthernetTap.cpp
View File

@ -490,6 +490,12 @@ int NetconEthernetTap::send_return_value(int fd, int retval, int _errno = 0)
* @param error code
* @return ERR_OK if everything is ok, -1 otherwise
i := should be implemented in intercept lib
I := is implemented in intercept lib
X := is implemented in service
? := required treatment Unknown
- := Not needed
[ ] EAGAIN or EWOULDBLOCK - The socket is marked nonblocking and no connections are present
to be accepted. POSIX.1-2001 allows either error to be returned for
this case, and does not require these constants to have the same value,
@ -499,12 +505,12 @@ int NetconEthernetTap::send_return_value(int fd, int retval, int _errno = 0)
[i] EFAULT - The addr argument is not in a writable part of the user address space.
[ ] EINTR - The system call was interrupted by a signal that was caught before a valid connection arrived; see signal(7).
[ ] EINVAL - Socket is not listening for connections, or addrlen is invalid (e.g., is negative).
[ ] EINVAL - (accept4()) invalid value in flags.
[I] EINVAL - (accept4()) invalid value in flags.
[I] EMFILE - The per-process limit of open file descriptors has been reached.
[ ] ENFILE - The system limit on the total number of open files has been reached.
[ ] ENOBUFS, ENOMEM - Not enough free memory. This often means that the memory allocation is
limited by the socket buffer limits, not by the system memory.
[i] ENOTSOCK - The descriptor references a file, not a socket.
[I] ENOTSOCK - The descriptor references a file, not a socket.
[I] EOPNOTSUPP - The referenced socket is not of type SOCK_STREAM.
[ ] EPROTO - Protocol error.
@ -802,10 +808,12 @@ void NetconEthernetTap::handle_retval(PhySocket *sock, void **uptr, unsigned cha
[ ] EACCES - The address is protected, and the user is not the superuser.
[X] EADDRINUSE - The given address is already in use.
[X] EBADF - sockfd is not a valid descriptor.
[I] EBADF - sockfd is not a valid descriptor.
[X] EINVAL - The socket is already bound to an address.
[i] ENOTSOCK - sockfd is a descriptor for a file, not a socket.
[-] The following errors are specific to UNIX domain (AF_UNIX) sockets:
[I] ENOTSOCK - sockfd is a descriptor for a file, not a socket.
- The following errors are specific to UNIX domain (AF_UNIX) sockets:
[-] EACCES - Search permission is denied on a component of the path prefix. (See also path_resolution(7).)
[-] EADDRNOTAVAIL - A nonexistent interface was requested or the requested address was not local.
[-] EFAULT - addr points outside the user's accessible address space.