mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-05-29 08:42:28 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Fix getpeername() bug on Windows

Browse source 
The WIN32 getpeername() function returns ENOTCONN when it uses connect()
the SOCK_NONBLOCK way. So we simply store the address, provided earlier.
This commit is contained in:
Justine Tunney 2024-08-25 11:26:21 -07:00
parent 908b7a82ca
commit f3ce684aef
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
4 changed files with 71 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

10
libc/sock/getsockname.c
View file

@ -17,8 +17,8 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/internal.h"
#include "libc/intrin/fds.h"
#include "libc/dce.h"
#include "libc/intrin/fds.h"
#include "libc/intrin/strace.h"
#include "libc/nt/errors.h"
#include "libc/nt/thunk/msabi.h"
@ -28,6 +28,7 @@
#include "libc/sock/struct/sockaddr.h"
#include "libc/sock/struct/sockaddr.internal.h"
#include "libc/sock/syscall_fd.internal.h"
#include "libc/sysv/consts/af.h"
#include "libc/sysv/errfuns.h"
__msabi extern typeof(__sys_getsockname_nt) *const __imp_getsockname;
@ -45,7 +46,12 @@ static int __getsockpeername(int fd, struct sockaddr *out_addr,
if (IsWindows()) {
if (__isfdkind(fd, kFdSocket)) {
if ((rc = impl_win32(g_fds.p[fd].handle, &ss, &size))) {
if (impl_win32 == __imp_getsockname && WSAGetLastError() == WSAEINVAL) {
if (impl_win32 == __imp_getpeername &&
g_fds.p[fd].peer.ss_family != AF_UNSPEC) {
ss = g_fds.p[fd].peer;
rc = 0;
} else if (impl_win32 == __imp_getsockname &&
WSAGetLastError() == WSAEINVAL) {
// The socket has not been bound to an address with bind, or
// ADDR_ANY is specified in bind but connection has not yet
// occurred. -MSDN