Paul Gofman : nsiproxy.sys: Detect PPP interface type from flags on Linux.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 1ea5d470a21effb90b5a7442a47e7f714ce997dc
URL:    https://gitlab.winehq.org/wine/wine/-/commit/1ea5d470a21effb90b5a7442a47e7f7...

Author: Paul Gofman <pgofman(a)codeweavers.com>
Date:   Tue May 23 19:52:45 2023 -0600

nsiproxy.sys: Detect PPP interface type from flags on Linux.

VPN interfaces often have ARPHRD_NONE in ifr_hwaddr.sa_data
but IFF_POINTOPOINT flag set.

---

 dlls/nsiproxy.sys/ndis.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dlls/nsiproxy.sys/ndis.c b/dlls/nsiproxy.sys/ndis.c
index c34630d8aec..1fc66c3611b 100644
--- a/dlls/nsiproxy.sys/ndis.c
+++ b/dlls/nsiproxy.sys/ndis.c
@@ -170,6 +170,9 @@ static NTSTATUS if_get_physical( const char *name, UINT *type, IF_PHYSICAL_ADDRE
             break;
         }
 
+    if (*type == MIB_IF_TYPE_OTHER && !ioctl( fd, SIOCGIFFLAGS, &ifr ) && ifr.ifr_flags & IFF_POINTOPOINT)
+        *type = MIB_IF_TYPE_PPP;
+
 err:
     close( fd );
     return ret;