From: Lev Stipakov <l...@openvpn.net> Print dco-win driver version using the new ioctl. Requires dco-win driver 1.0.0 or newer to work.
Change-Id: I1d0d909e7fca3f51b5c848f1a771a989ab040f17 Signed-off-by: Lev Stipakov <l...@openvpn.net> Acked-by: Arne Schwabe <arne-open...@rfc2549.org> --- This change was reviewed on Gerrit and approved by at least one developer. I request to merge it to release/2.6. Gerrit URL: https://gerrit.openvpn.net/c/openvpn/+/367 This mail reflects revision 3 of this Change. Acked-by according to Gerrit (reflected above): Arne Schwabe <arne-open...@rfc2549.org> diff --git a/src/openvpn/dco_win.c b/src/openvpn/dco_win.c index 53f1523..a775c82 100644 --- a/src/openvpn/dco_win.c +++ b/src/openvpn/dco_win.c @@ -386,7 +386,32 @@ const char * dco_version_string(struct gc_arena *gc) { - return "v0"; + OVPN_VERSION version; + ZeroMemory(&version, sizeof(OVPN_VERSION)); + + /* try to open device by symbolic name */ + HANDLE h = CreateFile("\\\\.\\ovpn-dco", GENERIC_READ | GENERIC_WRITE, + 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_SYSTEM | FILE_FLAG_OVERLAPPED, NULL); + + if (h == INVALID_HANDLE_VALUE) + { + return "N/A"; + } + + DWORD bytes_returned = 0; + if (!DeviceIoControl(h, OVPN_IOCTL_GET_VERSION, NULL, 0, + &version, sizeof(version), &bytes_returned, NULL)) + { + CloseHandle(h); + return "N/A"; + } + + CloseHandle(h); + + struct buffer out = alloc_buf_gc(256, gc); + buf_printf(&out, "%ld.%ld.%ld", version.Major, version.Minor, version.Patch); + + return BSTR(&out); } int diff --git a/src/openvpn/ovpn_dco_win.h b/src/openvpn/ovpn_dco_win.h index cbbdf92..ea2a733 100644 --- a/src/openvpn/ovpn_dco_win.h +++ b/src/openvpn/ovpn_dco_win.h @@ -100,6 +100,12 @@ LONG MSS; } OVPN_SET_PEER, * POVPN_SET_PEER; +typedef struct _OVPN_VERSION { + LONG Major; + LONG Minor; + LONG Patch; +} OVPN_VERSION, * POVPN_VERSION; + #define OVPN_IOCTL_NEW_PEER CTL_CODE(FILE_DEVICE_UNKNOWN, 1, METHOD_BUFFERED, FILE_ANY_ACCESS) #define OVPN_IOCTL_GET_STATS CTL_CODE(FILE_DEVICE_UNKNOWN, 2, METHOD_BUFFERED, FILE_ANY_ACCESS) #define OVPN_IOCTL_NEW_KEY CTL_CODE(FILE_DEVICE_UNKNOWN, 3, METHOD_BUFFERED, FILE_ANY_ACCESS) @@ -107,3 +113,4 @@ #define OVPN_IOCTL_SET_PEER CTL_CODE(FILE_DEVICE_UNKNOWN, 5, METHOD_BUFFERED, FILE_ANY_ACCESS) #define OVPN_IOCTL_START_VPN CTL_CODE(FILE_DEVICE_UNKNOWN, 6, METHOD_BUFFERED, FILE_ANY_ACCESS) #define OVPN_IOCTL_DEL_PEER CTL_CODE(FILE_DEVICE_UNKNOWN, 7, METHOD_BUFFERED, FILE_ANY_ACCESS) +#define OVPN_IOCTL_GET_VERSION CTL_CODE(FILE_DEVICE_UNKNOWN, 8, METHOD_BUFFERED, FILE_ANY_ACCESS) _______________________________________________ Openvpn-devel mailing list Openvpn-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/openvpn-devel
