p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

virt: vbox: Implement passing requestor info to the host for VirtualBox 6.0.x 

VirtualBox 6.0.x has a new feature where the guest kernel driver passes
info about the origin of the request (e.g. userspace or kernelspace) to
the hypervisor.

If we do not pass this information then when running the 6.0.x userspace
guest-additions tools on a 6.0.x host, some requests will get denied
with a VERR_VERSION_MISMATCH error, breaking vboxservice.service and
the mounting of shared folders marked to be auto-mounted.

This commit implements passing the requestor info to the host, fixing this.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hans de Goede 2019-03-22 09:19:34 +01:00 committed by Greg Kroah-Hartman
parent 80045e1442
commit 0532a1b0d0
8 changed files with 197 additions and 71 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

106
drivers/virt/vboxguest/vboxguest_core.c
View File

@ -27,6 +27,10 @@
#define GUEST_MAPPINGS_TRIES 5
#define VBG_KERNEL_REQUEST \
(VMMDEV_REQUESTOR_KERNEL | VMMDEV_REQUESTOR_USR_DRV | \
VMMDEV_REQUESTOR_CON_DONT_KNOW | VMMDEV_REQUESTOR_TRUST_NOT_GIVEN)
/**
* Reserves memory in which the VMM can relocate any guest mappings
* that are floating around.
@ -48,7 +52,8 @@ static void vbg_guest_mappings_init(struct vbg_dev *gdev)
int i, rc;
/* Query the required space. */
req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_GET_HYPERVISOR_INFO);
req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_GET_HYPERVISOR_INFO,
VBG_KERNEL_REQUEST);
if (!req)
return;
@ -135,7 +140,8 @@ static void vbg_guest_mappings_exit(struct vbg_dev *gdev)
* Tell the host that we're going to free the memory we reserved for
* it, the free it up. (Leak the memory if anything goes wrong here.)
*/
req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_HYPERVISOR_INFO);
req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_HYPERVISOR_INFO,
VBG_KERNEL_REQUEST);
if (!req)
return;
@ -172,8 +178,10 @@ static int vbg_report_guest_info(struct vbg_dev *gdev)
struct vmmdev_guest_info2 *req2 = NULL;
int rc, ret = -ENOMEM;
req1 = vbg_req_alloc(sizeof(*req1), VMMDEVREQ_REPORT_GUEST_INFO);
req2 = vbg_req_alloc(sizeof(*req2), VMMDEVREQ_REPORT_GUEST_INFO2);
req1 = vbg_req_alloc(sizeof(*req1), VMMDEVREQ_REPORT_GUEST_INFO,
VBG_KERNEL_REQUEST);
req2 = vbg_req_alloc(sizeof(*req2), VMMDEVREQ_REPORT_GUEST_INFO2,
VBG_KERNEL_REQUEST);
if (!req1 || !req2)
goto out_free;
@ -187,8 +195,8 @@ static int vbg_report_guest_info(struct vbg_dev *gdev)
req2->additions_minor = VBG_VERSION_MINOR;
req2->additions_build = VBG_VERSION_BUILD;
req2->additions_revision = VBG_SVN_REV;
/* (no features defined yet) */
req2->additions_features = 0;
req2->additions_features =
VMMDEV_GUEST_INFO2_ADDITIONS_FEATURES_REQUESTOR_INFO;
strlcpy(req2->name, VBG_VERSION_STRING,
sizeof(req2->name));
@ -230,7 +238,8 @@ static int vbg_report_driver_status(struct vbg_dev *gdev, bool active)
struct vmmdev_guest_status *req;
int rc;
req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_REPORT_GUEST_STATUS);
req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_REPORT_GUEST_STATUS,
VBG_KERNEL_REQUEST);
if (!req)
return -ENOMEM;
@ -423,7 +432,8 @@ static int vbg_heartbeat_host_config(struct vbg_dev *gdev, bool enabled)
struct vmmdev_heartbeat *req;
int rc;
req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_HEARTBEAT_CONFIGURE);
req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_HEARTBEAT_CONFIGURE,
VBG_KERNEL_REQUEST);
if (!req)
return -ENOMEM;
@ -457,7 +467,8 @@ static int vbg_heartbeat_init(struct vbg_dev *gdev)
gdev->guest_heartbeat_req = vbg_req_alloc(
sizeof(*gdev->guest_heartbeat_req),
VMMDEVREQ_GUEST_HEARTBEAT);
VMMDEVREQ_GUEST_HEARTBEAT,
VBG_KERNEL_REQUEST);
if (!gdev->guest_heartbeat_req)
return -ENOMEM;
@ -528,7 +539,8 @@ static int vbg_reset_host_event_filter(struct vbg_dev *gdev,
struct vmmdev_mask *req;
int rc;
req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_CTL_GUEST_FILTER_MASK);
req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_CTL_GUEST_FILTER_MASK,
VBG_KERNEL_REQUEST);
if (!req)
return -ENOMEM;
@ -567,8 +579,14 @@ static int vbg_set_session_event_filter(struct vbg_dev *gdev,
u32 changed, previous;
int rc, ret = 0;
/* Allocate a request buffer before taking the spinlock */
req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_CTL_GUEST_FILTER_MASK);
/*
* Allocate a request buffer before taking the spinlock, when
* the session is being terminated the requestor is the kernel,
* as we're cleaning up.
*/
req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_CTL_GUEST_FILTER_MASK,
session_termination ? VBG_KERNEL_REQUEST :
session->requestor);
if (!req) {
if (!session_termination)
return -ENOMEM;
@ -627,7 +645,8 @@ static int vbg_reset_host_capabilities(struct vbg_dev *gdev)
struct vmmdev_mask *req;
int rc;
req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_GUEST_CAPABILITIES);
req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_GUEST_CAPABILITIES,
VBG_KERNEL_REQUEST);
if (!req)
return -ENOMEM;
@ -662,8 +681,14 @@ static int vbg_set_session_capabilities(struct vbg_dev *gdev,
u32 changed, previous;
int rc, ret = 0;
/* Allocate a request buffer before taking the spinlock */
req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_GUEST_CAPABILITIES);
/*
* Allocate a request buffer before taking the spinlock, when
* the session is being terminated the requestor is the kernel,
* as we're cleaning up.
*/
req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_GUEST_CAPABILITIES,
session_termination ? VBG_KERNEL_REQUEST :
session->requestor);
if (!req) {
if (!session_termination)
return -ENOMEM;
@ -722,7 +747,8 @@ static int vbg_query_host_version(struct vbg_dev *gdev)
struct vmmdev_host_version *req;
int rc, ret;
req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_GET_HOST_VERSION);
req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_GET_HOST_VERSION,
VBG_KERNEL_REQUEST);
if (!req)
return -ENOMEM;
@ -783,19 +809,24 @@ int vbg_core_init(struct vbg_dev *gdev, u32 fixed_events)
gdev->mem_balloon.get_req =
vbg_req_alloc(sizeof(*gdev->mem_balloon.get_req),
VMMDEVREQ_GET_MEMBALLOON_CHANGE_REQ);
VMMDEVREQ_GET_MEMBALLOON_CHANGE_REQ,
VBG_KERNEL_REQUEST);
gdev->mem_balloon.change_req =
vbg_req_alloc(sizeof(*gdev->mem_balloon.change_req),
VMMDEVREQ_CHANGE_MEMBALLOON);
VMMDEVREQ_CHANGE_MEMBALLOON,
VBG_KERNEL_REQUEST);
gdev->cancel_req =
vbg_req_alloc(sizeof(*(gdev->cancel_req)),
VMMDEVREQ_HGCM_CANCEL2);
VMMDEVREQ_HGCM_CANCEL2,
VBG_KERNEL_REQUEST);
gdev->ack_events_req =
vbg_req_alloc(sizeof(*gdev->ack_events_req),
VMMDEVREQ_ACKNOWLEDGE_EVENTS);
VMMDEVREQ_ACKNOWLEDGE_EVENTS,
VBG_KERNEL_REQUEST);
gdev->mouse_status_req =
vbg_req_alloc(sizeof(*gdev->mouse_status_req),
VMMDEVREQ_GET_MOUSE_STATUS);
VMMDEVREQ_GET_MOUSE_STATUS,
VBG_KERNEL_REQUEST);
if (!gdev->mem_balloon.get_req || !gdev->mem_balloon.change_req ||
!gdev->cancel_req || !gdev->ack_events_req ||
@ -892,9 +923,9 @@ void vbg_core_exit(struct vbg_dev *gdev)
* vboxguest_linux.c calls this when userspace opens the char-device.
* Return: A pointer to the new session or an ERR_PTR on error.
* @gdev: The Guest extension device.
* @user: Set if this is a session for the vboxuser device.
* @requestor: VMMDEV_REQUESTOR_* flags
*/
struct vbg_session *vbg_core_open_session(struct vbg_dev *gdev, bool user)
struct vbg_session *vbg_core_open_session(struct vbg_dev *gdev, u32 requestor)
{
struct vbg_session *session;
@ -903,7 +934,7 @@ struct vbg_session *vbg_core_open_session(struct vbg_dev *gdev, bool user)
return ERR_PTR(-ENOMEM);
session->gdev = gdev;
session->user_session = user;
session->requestor = requestor;
return session;
}
@ -924,7 +955,9 @@ void vbg_core_close_session(struct vbg_session *session)
if (!session->hgcm_client_ids[i])
continue;
vbg_hgcm_disconnect(gdev, session->hgcm_client_ids[i], &rc);
/* requestor is kernel here, as we're cleaning up. */
vbg_hgcm_disconnect(gdev, VBG_KERNEL_REQUEST,
session->hgcm_client_ids[i], &rc);
}
kfree(session);
@ -1152,7 +1185,8 @@ static int vbg_req_allowed(struct vbg_dev *gdev, struct vbg_session *session,
return -EPERM;
}
if (trusted_apps_only && session->user_session) {
if (trusted_apps_only &&
(session->requestor & VMMDEV_REQUESTOR_USER_DEVICE)) {
vbg_err("Denying userspace vmm call type %#08x through vboxuser device node\n",
req->request_type);
return -EPERM;
@ -1209,8 +1243,8 @@ static int vbg_ioctl_hgcm_connect(struct vbg_dev *gdev,
if (i >= ARRAY_SIZE(session->hgcm_client_ids))
return -EMFILE;
ret = vbg_hgcm_connect(gdev, &conn->u.in.loc, &client_id,
&conn->hdr.rc);
ret = vbg_hgcm_connect(gdev, session->requestor, &conn->u.in.loc,
&client_id, &conn->hdr.rc);
mutex_lock(&gdev->session_mutex);
if (ret == 0 && conn->hdr.rc >= 0) {
@ -1251,7 +1285,8 @@ static int vbg_ioctl_hgcm_disconnect(struct vbg_dev *gdev,
if (i >= ARRAY_SIZE(session->hgcm_client_ids))
return -EINVAL;
ret = vbg_hgcm_disconnect(gdev, client_id, &disconn->hdr.rc);
ret = vbg_hgcm_disconnect(gdev, session->requestor, client_id,
&disconn->hdr.rc);
mutex_lock(&gdev->session_mutex);
if (ret == 0 && disconn->hdr.rc >= 0)
@ -1313,12 +1348,12 @@ static int vbg_ioctl_hgcm_call(struct vbg_dev *gdev,
}
if (IS_ENABLED(CONFIG_COMPAT) && f32bit)
ret = vbg_hgcm_call32(gdev, client_id,
ret = vbg_hgcm_call32(gdev, session->requestor, client_id,
call->function, call->timeout_ms,
VBG_IOCTL_HGCM_CALL_PARMS32(call),
call->parm_count, &call->hdr.rc);
else
ret = vbg_hgcm_call(gdev, client_id,
ret = vbg_hgcm_call(gdev, session->requestor, client_id,
call->function, call->timeout_ms,
VBG_IOCTL_HGCM_CALL_PARMS(call),
call->parm_count, &call->hdr.rc);
@ -1408,6 +1443,7 @@ static int vbg_ioctl_check_balloon(struct vbg_dev *gdev,
}
static int vbg_ioctl_write_core_dump(struct vbg_dev *gdev,
struct vbg_session *session,
struct vbg_ioctl_write_coredump *dump)
{
struct vmmdev_write_core_dump *req;
@ -1415,7 +1451,8 @@ static int vbg_ioctl_write_core_dump(struct vbg_dev *gdev,
if (vbg_ioctl_chk(&dump->hdr, sizeof(dump->u.in), 0))
return -EINVAL;
req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_WRITE_COREDUMP);
req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_WRITE_COREDUMP,
session->requestor);
if (!req)
return -ENOMEM;
@ -1476,7 +1513,7 @@ int vbg_core_ioctl(struct vbg_session *session, unsigned int req, void *data)
case VBG_IOCTL_CHECK_BALLOON:
return vbg_ioctl_check_balloon(gdev, data);
case VBG_IOCTL_WRITE_CORE_DUMP:
return vbg_ioctl_write_core_dump(gdev, data);
return vbg_ioctl_write_core_dump(gdev, session, data);
}
/* Variable sized requests. */
@ -1508,7 +1545,8 @@ int vbg_core_set_mouse_status(struct vbg_dev *gdev, u32 features)
struct vmmdev_mouse_status *req;
int rc;
req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_MOUSE_STATUS);
req = vbg_req_alloc(sizeof(*req), VMMDEVREQ_SET_MOUSE_STATUS,
VBG_KERNEL_REQUEST);
if (!req)
return -ENOMEM;

15
drivers/virt/vboxguest/vboxguest_core.h
View File

@ -154,15 +154,15 @@ struct vbg_session {
* host. Protected by vbg_gdev.session_mutex.
*/
u32 guest_caps;
/** Does this session belong to a root process or a user one? */
bool user_session;
/** VMMDEV_REQUESTOR_* flags */
u32 requestor;
/** Set on CANCEL_ALL_WAITEVENTS, protected by vbg_devevent_spinlock. */
bool cancel_waiters;
};
int vbg_core_init(struct vbg_dev *gdev, u32 fixed_events);
void vbg_core_exit(struct vbg_dev *gdev);
struct vbg_session *vbg_core_open_session(struct vbg_dev *gdev, bool user);
struct vbg_session *vbg_core_open_session(struct vbg_dev *gdev, u32 requestor);
void vbg_core_close_session(struct vbg_session *session);
int vbg_core_ioctl(struct vbg_session *session, unsigned int req, void *data);
int vbg_core_set_mouse_status(struct vbg_dev *gdev, u32 features);
@ -172,12 +172,13 @@ irqreturn_t vbg_core_isr(int irq, void *dev_id);
void vbg_linux_mouse_event(struct vbg_dev *gdev);
/* Private (non exported) functions form vboxguest_utils.c */
void *vbg_req_alloc(size_t len, enum vmmdev_request_type req_type);
void *vbg_req_alloc(size_t len, enum vmmdev_request_type req_type,
u32 requestor);
void vbg_req_free(void *req, size_t len);
int vbg_req_perform(struct vbg_dev *gdev, void *req);
int vbg_hgcm_call32(
struct vbg_dev *gdev, u32 client_id, u32 function, u32 timeout_ms,
struct vmmdev_hgcm_function_parameter32 *parm32, u32 parm_count,
int *vbox_status);
struct vbg_dev *gdev, u32 requestor, u32 client_id, u32 function,
u32 timeout_ms, struct vmmdev_hgcm_function_parameter32 *parm32,
u32 parm_count, int *vbox_status);
#endif

26
drivers/virt/vboxguest/vboxguest_linux.c
View File

@ -5,6 +5,7 @@
* Copyright (C) 2006-2016 Oracle Corporation
*/
#include <linux/cred.h>
#include <linux/input.h>
#include <linux/kernel.h>
#include <linux/miscdevice.h>
@ -28,6 +29,23 @@ static DEFINE_MUTEX(vbg_gdev_mutex);
/** Global vbg_gdev pointer used by vbg_get/put_gdev. */
static struct vbg_dev *vbg_gdev;
static u32 vbg_misc_device_requestor(struct inode *inode)
{
u32 requestor = VMMDEV_REQUESTOR_USERMODE |
VMMDEV_REQUESTOR_CON_DONT_KNOW |
VMMDEV_REQUESTOR_TRUST_NOT_GIVEN;
if (from_kuid(current_user_ns(), current->cred->uid) == 0)
requestor |= VMMDEV_REQUESTOR_USR_ROOT;
else
requestor |= VMMDEV_REQUESTOR_USR_USER;
if (in_egroup_p(inode->i_gid))
requestor |= VMMDEV_REQUESTOR_GRP_VBOX;
return requestor;
}
static int vbg_misc_device_open(struct inode *inode, struct file *filp)
{
struct vbg_session *session;
@ -36,7 +54,7 @@ static int vbg_misc_device_open(struct inode *inode, struct file *filp)
/* misc_open sets filp->private_data to our misc device */
gdev = container_of(filp->private_data, struct vbg_dev, misc_device);
session = vbg_core_open_session(gdev, false);
session = vbg_core_open_session(gdev, vbg_misc_device_requestor(inode));
if (IS_ERR(session))
return PTR_ERR(session);
@ -53,7 +71,8 @@ static int vbg_misc_device_user_open(struct inode *inode, struct file *filp)
gdev = container_of(filp->private_data, struct vbg_dev,
misc_device_user);
session = vbg_core_open_session(gdev, false);
session = vbg_core_open_session(gdev, vbg_misc_device_requestor(inode) |
VMMDEV_REQUESTOR_USER_DEVICE);
if (IS_ERR(session))
return PTR_ERR(session);
@ -115,7 +134,8 @@ static long vbg_misc_device_ioctl(struct file *filp, unsigned int req,
req == VBG_IOCTL_VMMDEV_REQUEST_BIG;
if (is_vmmdev_req)
buf = vbg_req_alloc(size, VBG_IOCTL_HDR_TYPE_DEFAULT);
buf = vbg_req_alloc(size, VBG_IOCTL_HDR_TYPE_DEFAULT,
session->requestor);
else
buf = kmalloc(size, GFP_KERNEL);
if (!buf)

32
drivers/virt/vboxguest/vboxguest_utils.c
View File

@ -62,7 +62,8 @@ VBG_LOG(vbg_err, pr_err);
VBG_LOG(vbg_debug, pr_debug);
#endif
void *vbg_req_alloc(size_t len, enum vmmdev_request_type req_type)
void *vbg_req_alloc(size_t len, enum vmmdev_request_type req_type,
u32 requestor)
{
struct vmmdev_request_header *req;
int order = get_order(PAGE_ALIGN(len));
@ -78,7 +79,7 @@ void *vbg_req_alloc(size_t len, enum vmmdev_request_type req_type)
req->request_type = req_type;
req->rc = VERR_GENERAL_FAILURE;
req->reserved1 = 0;
req->reserved2 = 0;
req->requestor = requestor;
return req;
}
@ -119,7 +120,7 @@ static bool hgcm_req_done(struct vbg_dev *gdev,
return done;
}
int vbg_hgcm_connect(struct vbg_dev *gdev,
int vbg_hgcm_connect(struct vbg_dev *gdev, u32 requestor,
struct vmmdev_hgcm_service_location *loc,
u32 *client_id, int *vbox_status)
{
@ -127,7 +128,7 @@ int vbg_hgcm_connect(struct vbg_dev *gdev,
int rc;
hgcm_connect = vbg_req_alloc(sizeof(*hgcm_connect),
VMMDEVREQ_HGCM_CONNECT);
VMMDEVREQ_HGCM_CONNECT, requestor);
if (!hgcm_connect)
return -ENOMEM;
@ -153,13 +154,15 @@ int vbg_hgcm_connect(struct vbg_dev *gdev,
}
EXPORT_SYMBOL(vbg_hgcm_connect);
int vbg_hgcm_disconnect(struct vbg_dev *gdev, u32 client_id, int *vbox_status)
int vbg_hgcm_disconnect(struct vbg_dev *gdev, u32 requestor,
u32 client_id, int *vbox_status)
{
struct vmmdev_hgcm_disconnect *hgcm_disconnect = NULL;
int rc;
hgcm_disconnect = vbg_req_alloc(sizeof(*hgcm_disconnect),
VMMDEVREQ_HGCM_DISCONNECT);
VMMDEVREQ_HGCM_DISCONNECT,
requestor);
if (!hgcm_disconnect)
return -ENOMEM;
@ -593,9 +596,10 @@ static int hgcm_call_copy_back_result(
return 0;
}
int vbg_hgcm_call(struct vbg_dev *gdev, u32 client_id, u32 function,
u32 timeout_ms, struct vmmdev_hgcm_function_parameter *parms,
u32 parm_count, int *vbox_status)
int vbg_hgcm_call(struct vbg_dev *gdev, u32 requestor, u32 client_id,
u32 function, u32 timeout_ms,
struct vmmdev_hgcm_function_parameter *parms, u32 parm_count,
int *vbox_status)
{
struct vmmdev_hgcm_call *call;
void **bounce_bufs = NULL;
@ -615,7 +619,7 @@ int vbg_hgcm_call(struct vbg_dev *gdev, u32 client_id, u32 function,
goto free_bounce_bufs;
}
call = vbg_req_alloc(size, VMMDEVREQ_HGCM_CALL);
call = vbg_req_alloc(size, VMMDEVREQ_HGCM_CALL, requestor);
if (!call) {
ret = -ENOMEM;
goto free_bounce_bufs;
@ -647,9 +651,9 @@ EXPORT_SYMBOL(vbg_hgcm_call);
#ifdef CONFIG_COMPAT
int vbg_hgcm_call32(
struct vbg_dev *gdev, u32 client_id, u32 function, u32 timeout_ms,
struct vmmdev_hgcm_function_parameter32 *parm32, u32 parm_count,
int *vbox_status)
struct vbg_dev *gdev, u32 requestor, u32 client_id, u32 function,
u32 timeout_ms, struct vmmdev_hgcm_function_parameter32 *parm32,
u32 parm_count, int *vbox_status)
{
struct vmmdev_hgcm_function_parameter *parm64 = NULL;
u32 i, size;
@ -689,7 +693,7 @@ int vbg_hgcm_call32(
goto out_free;
}
ret = vbg_hgcm_call(gdev, client_id, function, timeout_ms,
ret = vbg_hgcm_call(gdev, requestor, client_id, function, timeout_ms,
parm64, parm_count, vbox_status);
if (ret < 0)
goto out_free;

9
drivers/virt/vboxguest/vboxguest_version.h
View File

@ -9,11 +9,10 @@
#ifndef __VBOX_VERSION_H__
#define __VBOX_VERSION_H__
/* Last synced October 4th 2017 */
#define VBG_VERSION_MAJOR 5
#define VBG_VERSION_MINOR 2
#define VBG_VERSION_MAJOR 6
#define VBG_VERSION_MINOR 0
#define VBG_VERSION_BUILD 0
#define VBG_SVN_REV 68940
#define VBG_VERSION_STRING "5.2.0"
#define VBG_SVN_REV 127566
#define VBG_VERSION_STRING "6.0.0"
#endif

8
drivers/virt/vboxguest/vmmdev.h
View File

@ -98,8 +98,8 @@ struct vmmdev_request_header {
s32 rc;
/** Reserved field no.1. MBZ. */
u32 reserved1;
/** Reserved field no.2. MBZ. */
u32 reserved2;
/** IN: Requestor information (VMMDEV_REQUESTOR_*) */
u32 requestor;
};
VMMDEV_ASSERT_SIZE(vmmdev_request_header, 24);
@ -247,6 +247,8 @@ struct vmmdev_guest_info {
};
VMMDEV_ASSERT_SIZE(vmmdev_guest_info, 24 + 8);
#define VMMDEV_GUEST_INFO2_ADDITIONS_FEATURES_REQUESTOR_INFO BIT(0)
/** struct vmmdev_guestinfo2 - Guest information report, version 2. */
struct vmmdev_guest_info2 {
/** Header. */
@ -259,7 +261,7 @@ struct vmmdev_guest_info2 {
u32 additions_build;
/** SVN revision. */
u32 additions_revision;
/** Feature mask, currently unused. */
/** Feature mask. */
u32 additions_features;
/**
* The intentional meaning of this field was:

12
include/linux/vbox_utils.h
View File

@ -24,15 +24,17 @@ __printf(1, 2) void vbg_debug(const char *fmt, ...);
#define vbg_debug pr_debug
#endif
int vbg_hgcm_connect(struct vbg_dev *gdev,
int vbg_hgcm_connect(struct vbg_dev *gdev, u32 requestor,
struct vmmdev_hgcm_service_location *loc,
u32 *client_id, int *vbox_status);
int vbg_hgcm_disconnect(struct vbg_dev *gdev, u32 client_id, int *vbox_status);
int vbg_hgcm_disconnect(struct vbg_dev *gdev, u32 requestor,
u32 client_id, int *vbox_status);
int vbg_hgcm_call(struct vbg_dev *gdev, u32 client_id, u32 function,
u32 timeout_ms, struct vmmdev_hgcm_function_parameter *parms,
u32 parm_count, int *vbox_status);
int vbg_hgcm_call(struct vbg_dev *gdev, u32 requestor, u32 client_id,
u32 function, u32 timeout_ms,
struct vmmdev_hgcm_function_parameter *parms, u32 parm_count,
int *vbox_status);
/**
* Convert a VirtualBox status code to a standard Linux kernel return value.

60
include/uapi/linux/vbox_vmmdev_types.h
View File

@ -102,6 +102,66 @@ enum vmmdev_request_type {
#define VMMDEVREQ_HGCM_CALL VMMDEVREQ_HGCM_CALL32
#endif
/* vmmdev_request_header.requestor defines */
/* Requestor user not given. */
#define VMMDEV_REQUESTOR_USR_NOT_GIVEN 0x00000000
/* The kernel driver (vboxguest) is the requestor. */
#define VMMDEV_REQUESTOR_USR_DRV 0x00000001
/* Some other kernel driver is the requestor. */
#define VMMDEV_REQUESTOR_USR_DRV_OTHER 0x00000002
/* The root or a admin user is the requestor. */
#define VMMDEV_REQUESTOR_USR_ROOT 0x00000003
/* Regular joe user is making the request. */
#define VMMDEV_REQUESTOR_USR_USER 0x00000006
/* User classification mask. */
#define VMMDEV_REQUESTOR_USR_MASK 0x00000007
/* Kernel mode request. Note this is 0, check for !USERMODE instead. */
#define VMMDEV_REQUESTOR_KERNEL 0x00000000
/* User mode request. */
#define VMMDEV_REQUESTOR_USERMODE 0x00000008
/* User or kernel mode classification mask. */
#define VMMDEV_REQUESTOR_MODE_MASK 0x00000008
/* Don't know the physical console association of the requestor. */
#define VMMDEV_REQUESTOR_CON_DONT_KNOW 0x00000000
/*
* The request originates with a process that is NOT associated with the
* physical console.
*/
#define VMMDEV_REQUESTOR_CON_NO 0x00000010
/* Requestor process is associated with the physical console. */
#define VMMDEV_REQUESTOR_CON_YES 0x00000020
/* Console classification mask. */
#define VMMDEV_REQUESTOR_CON_MASK 0x00000030
/* Requestor is member of special VirtualBox user group. */
#define VMMDEV_REQUESTOR_GRP_VBOX 0x00000080
/* Note: trust level is for windows guests only, linux always uses not-given */
/* Requestor trust level: Unspecified */
#define VMMDEV_REQUESTOR_TRUST_NOT_GIVEN 0x00000000
/* Requestor trust level: Untrusted (SID S-1-16-0) */
#define VMMDEV_REQUESTOR_TRUST_UNTRUSTED 0x00001000
/* Requestor trust level: Untrusted (SID S-1-16-4096) */
#define VMMDEV_REQUESTOR_TRUST_LOW 0x00002000
/* Requestor trust level: Medium (SID S-1-16-8192) */
#define VMMDEV_REQUESTOR_TRUST_MEDIUM 0x00003000
/* Requestor trust level: Medium plus (SID S-1-16-8448) */
#define VMMDEV_REQUESTOR_TRUST_MEDIUM_PLUS 0x00004000
/* Requestor trust level: High (SID S-1-16-12288) */
#define VMMDEV_REQUESTOR_TRUST_HIGH 0x00005000
/* Requestor trust level: System (SID S-1-16-16384) */
#define VMMDEV_REQUESTOR_TRUST_SYSTEM 0x00006000
/* Requestor trust level >= Protected (SID S-1-16-20480, S-1-16-28672) */
#define VMMDEV_REQUESTOR_TRUST_PROTECTED 0x00007000
/* Requestor trust level mask */
#define VMMDEV_REQUESTOR_TRUST_MASK 0x00007000
/* Requestor is using the less trusted user device node (/dev/vboxuser) */
#define VMMDEV_REQUESTOR_USER_DEVICE 0x00008000
/** HGCM service location types. */
enum vmmdev_hgcm_service_location_type {
VMMDEV_HGCM_LOC_INVALID = 0,