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| -rw-r--r-- | include/VBox/HostServices/GuestControlSvc.h | 1367 |
1 files changed, 1367 insertions, 0 deletions
diff --git a/include/VBox/HostServices/GuestControlSvc.h b/include/VBox/HostServices/GuestControlSvc.h new file mode 100644 index 00000000..181cdf3a --- /dev/null +++ b/include/VBox/HostServices/GuestControlSvc.h @@ -0,0 +1,1367 @@ +/* $Id: GuestControlSvc.h $ */ +/** @file + * Guest control service - Common header for host service and guest clients. + */ + +/* + * Copyright (C) 2011-2019 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL) only, as it comes in the "COPYING.CDDL" file of the + * VirtualBox OSE distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + */ + +#ifndef VBOX_INCLUDED_HostServices_GuestControlSvc_h +#define VBOX_INCLUDED_HostServices_GuestControlSvc_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <VBox/VMMDevCoreTypes.h> +#include <VBox/VBoxGuestCoreTypes.h> +#include <VBox/hgcmsvc.h> +#include <iprt/assert.h> + +/* Everything defined in this file lives in this namespace. */ +namespace guestControl { + +/****************************************************************************** +* Typedefs, constants and inlines * +******************************************************************************/ + +#define HGCMSERVICE_NAME "VBoxGuestControlSvc" + +/** Maximum number of concurrent guest sessions a VM can have. */ +#define VBOX_GUESTCTRL_MAX_SESSIONS 32 +/** Maximum number of concurrent guest objects (processes, files, ...) + * a guest session can have. */ +#define VBOX_GUESTCTRL_MAX_OBJECTS _2K +/** Maximum of callback contexts a guest process can have. */ +#define VBOX_GUESTCTRL_MAX_CONTEXTS _64K + +/** Base (start) of guest control session IDs. Session + * ID 0 is reserved for the root process which + * hosts all other guest session processes. */ +#define VBOX_GUESTCTRL_SESSION_ID_BASE 1 + +/** Builds a context ID out of the session ID, object ID and an + * increasing count. */ +#define VBOX_GUESTCTRL_CONTEXTID_MAKE(uSession, uObject, uCount) \ + ( (uint32_t)((uSession) & 0x1f) << 27 \ + | (uint32_t)((uObject) & 0x7ff) << 16 \ + | (uint32_t)((uCount) & 0xffff) \ + ) +/** Creates a context ID out of a session ID. */ +#define VBOX_GUESTCTRL_CONTEXTID_MAKE_SESSION(uSession) \ + ((uint32_t)((uSession) & 0x1f) << 27) +/** Gets the session ID out of a context ID. */ +#define VBOX_GUESTCTRL_CONTEXTID_GET_SESSION(uContextID) \ + (((uContextID) >> 27) & 0x1f) +/** Gets the process ID out of a context ID. */ +#define VBOX_GUESTCTRL_CONTEXTID_GET_OBJECT(uContextID) \ + (((uContextID) >> 16) & 0x7ff) +/** Gets the context count of a process out of a context ID. */ +#define VBOX_GUESTCTRL_CONTEXTID_GET_COUNT(uContextID) \ + ((uContextID) & 0xffff) +/** Filter context IDs by session. Can be used in conjunction + * with VbglR3GuestCtrlMsgFilterSet(). */ +#define VBOX_GUESTCTRL_FILTER_BY_SESSION(uSession) \ + (VBOX_GUESTCTRL_CONTEXTID_MAKE_SESSION(uSession) | 0xF8000000) + +/** + * Structure keeping the context of a host callback. + */ +typedef struct VBoxGuestCtrlHostCbCtx +{ + /** HGCM message number. */ + uint32_t uMessage; + /** The context ID. */ + uint32_t uContextID; + /** Protocol version of this guest session. Might + * be 0 if not supported. */ + uint32_t uProtocol; + +} VBOXGUESTCTRLHOSTCBCTX, *PVBOXGUESTCTRLHOSTCBCTX; + +/** + * Structure for low level HGCM host callback from + * the guest. No deep copy. */ +typedef struct VBoxGuestCtrlHostCallback +{ + VBoxGuestCtrlHostCallback(uint32_t cParms, VBOXHGCMSVCPARM paParms[]) + : mParms(cParms), mpaParms(paParms) { } + + /** Number of HGCM parameters. */ + uint32_t mParms; + /** Actual HGCM parameters. */ + PVBOXHGCMSVCPARM mpaParms; + +} VBOXGUESTCTRLHOSTCALLBACK, *PVBOXGUESTCTRLHOSTCALLBACK; + + +/** @name Host message destiation flags. + * + * This is ORed into the context ID parameter Main after extending it to 64-bit. + * + * @internal Host internal. + * @{ */ +#define VBOX_GUESTCTRL_DST_ROOT_SVC RT_BIT_64(63) +#define VBOX_GUESTCTRL_DST_SESSION RT_BIT_64(62) +#define VBOX_GUESTCTRL_DST_BOTH ( VBOX_GUESTCTRL_DST_ROOT_SVC | VBOX_GUESTCTRL_DST_SESSION ) +/** @} */ + + +/** + * The service messages which are callable by host. + */ +enum eHostMsg +{ + /** + * The host asks the client to cancel all pending waits and exit. + */ + HOST_MSG_CANCEL_PENDING_WAITS = 0, + /** + * The host wants to create a guest session. + */ + HOST_MSG_SESSION_CREATE = 20, + /** + * The host wants to close a guest session. + */ + HOST_MSG_SESSION_CLOSE = 21, + /** + * The host wants to execute something in the guest. This can be a command line + * or starting a program. + ** Note: Legacy (VBox < 4.3) message. + */ + HOST_MSG_EXEC_CMD = 100, + /** + * Sends input data for stdin to a running process executed by HOST_EXEC_CMD. + ** Note: Legacy (VBox < 4.3) message. + */ + HOST_MSG_EXEC_SET_INPUT = 101, + /** + * Gets the current status of a running process, e.g. + * new data on stdout/stderr, process terminated etc. + * @note Legacy (VBox < 4.3) message. + */ + HOST_MSG_EXEC_GET_OUTPUT = 102, + /** + * Terminates a running guest process. + */ + HOST_MSG_EXEC_TERMINATE = 110, + /** + * Waits for a certain event to happen. This can be an input, output + * or status event. + */ + HOST_MSG_EXEC_WAIT_FOR = 120, + /** + * Opens a guest file. + */ + HOST_MSG_FILE_OPEN = 240, + /** + * Closes a guest file. + */ + HOST_MSG_FILE_CLOSE = 241, + /** + * Reads from an opened guest file. + */ + HOST_MSG_FILE_READ = 250, + /** + * Reads from an opened guest file at + * a specified offset. + */ + HOST_MSG_FILE_READ_AT = 251, + /** + * Write to an opened guest file. + */ + HOST_MSG_FILE_WRITE = 260, + /** + * Write to an opened guest file at + * a specified offset. + */ + HOST_MSG_FILE_WRITE_AT = 261, + /** + * Changes the read & write position of an opened guest file. + */ + HOST_MSG_FILE_SEEK = 270, + /** + * Gets the current file position of an opened guest file. + */ + HOST_MSG_FILE_TELL = 271, + /** + * Removes a directory on the guest. + */ + HOST_MSG_DIR_REMOVE = 320, + /** + * Renames a path on the guest. + */ + HOST_MSG_PATH_RENAME = 330, + /** + * Retrieves the user's documents directory. + */ + HOST_MSG_PATH_USER_DOCUMENTS = 331, + /** + * Retrieves the user's home directory. + */ + HOST_MSG_PATH_USER_HOME = 332 +}; + + +/** + * Translates a guest control host message enum to a string. + * + * @returns Enum string name. + * @param enmMsg The message to translate. + */ +DECLINLINE(const char *) GstCtrlHostMsgtoStr(enum eHostMsg enmMsg) +{ + switch (enmMsg) + { + RT_CASE_RET_STR(HOST_MSG_CANCEL_PENDING_WAITS); + RT_CASE_RET_STR(HOST_MSG_SESSION_CREATE); + RT_CASE_RET_STR(HOST_MSG_SESSION_CLOSE); + RT_CASE_RET_STR(HOST_MSG_EXEC_CMD); + RT_CASE_RET_STR(HOST_MSG_EXEC_SET_INPUT); + RT_CASE_RET_STR(HOST_MSG_EXEC_GET_OUTPUT); + RT_CASE_RET_STR(HOST_MSG_EXEC_TERMINATE); + RT_CASE_RET_STR(HOST_MSG_EXEC_WAIT_FOR); + RT_CASE_RET_STR(HOST_MSG_FILE_OPEN); + RT_CASE_RET_STR(HOST_MSG_FILE_CLOSE); + RT_CASE_RET_STR(HOST_MSG_FILE_READ); + RT_CASE_RET_STR(HOST_MSG_FILE_READ_AT); + RT_CASE_RET_STR(HOST_MSG_FILE_WRITE); + RT_CASE_RET_STR(HOST_MSG_FILE_WRITE_AT); + RT_CASE_RET_STR(HOST_MSG_FILE_SEEK); + RT_CASE_RET_STR(HOST_MSG_FILE_TELL); + RT_CASE_RET_STR(HOST_MSG_DIR_REMOVE); + RT_CASE_RET_STR(HOST_MSG_PATH_RENAME); + RT_CASE_RET_STR(HOST_MSG_PATH_USER_DOCUMENTS); + RT_CASE_RET_STR(HOST_MSG_PATH_USER_HOME); + } + return "Unknown"; +} + + +/** + * The service messages which are callable by the guest. + * + * @note The message numbers cannot be changed. Please use the first non-zero + * number that's not in use when adding new messages. + * + * @note Remember to update service.cpp when adding new messages for Main, + * as it validates all incoming messages before passing them on. + */ +enum eGuestMsg +{ + /** Guest waits for a new message the host wants to process on the guest side. + * This is a blocking call and can be deferred. + * + * @note This message is rather odd. The above description isn't really + * correct. Yes, it (1) waits for a new message and will return the + * mesage number and parameter count when one is available. However, it + * is also (2) used to retrieve the message parameters. For some weird + * reasons it was decided that it should always return VERR_TOO_MUCH_DATA + * when used in the first capacity. + * + * @note Has a problem if the guest kernel module cancels the HGCM call, as the + * guest cannot resume waiting till the host issues a message for it and + * the cancelled call returns. The new message may potentially end up in + * /dev/null depending and hang the message conversation between the guest + * and the host (SIGCHLD). + * + * @deprecated Replaced by GUEST_MSG_PEEK_WAIT, GUEST_MSG_GET and + * GUEST_MSG_CANCEL. + */ + GUEST_MSG_WAIT = 1, + /** Cancels pending calls for this client session. + * + * This should be used if a GUEST_MSG_PEEK_WAIT or GUEST_MSG_WAIT call gets + * interrupted on the client end, so as to prevent being rebuffed with + * VERR_RESOURCE_BUSY when restarting the call. + * + * @retval VINF_SUCCESS if cancelled any calls. + * @retval VWRN_NOT_FOUND if no callers. + * @retval VERR_INVALID_CLIENT_ID + * @retval VERR_WRONG_PARAMETER_COUNT + * @since 6.0 + */ + GUEST_MSG_CANCEL = 2, + /** Guest disconnected (terminated normally or due to a crash HGCM + * detected when calling service::clientDisconnect(). + * + * @note This is a host side notification message that has no business in this + * enum. The guest cannot use this message number, host will reject it. + */ + GUEST_MSG_DISCONNECTED = 3, + /** Sets a message filter to only get messages which have a certain + * context ID scheme (that is, a specific session, object etc). + * Since VBox 4.3+. + * @deprecated Replaced by GUEST_SESSION_ACCEPT. + */ + GUEST_MSG_FILTER_SET = 4, + /** Unsets (and resets) a previously set message filter. + * @retval VERR_NOT_IMPLEMENTED since 6.0. + * @deprecated Never needed or used, + */ + GUEST_MSG_FILTER_UNSET = 5, + /** Peeks at the next message, returning immediately. + * + * Returns two 32-bit parameters, first is the message ID and the second the + * parameter count. May optionally return additional 32-bit parameters with the + * sizes of respective message parameters. To distinguish buffer sizes from + * integer parameters, the latter gets their sizes inverted (uint32_t is ~4U, + * uint64_t is ~8U). + * + * Does also support the VM restore checking as in GUEST_MSG_PEEK_WAIT (64-bit + * param \# 0), see documentation there. + * + * @retval VINF_SUCCESS if a message was pending and is being returned. + * @retval VERR_TRY_AGAIN if no message pending. + * @retval VERR_VM_RESTORED if first parameter is a non-zero 64-bit value that + * does not match VbglR3GetSessionId() any more. The new value is + * returned. + * @retval VERR_INVALID_CLIENT_ID + * @retval VERR_WRONG_PARAMETER_COUNT + * @retval VERR_WRONG_PARAMETER_TYPE + * @since 6.0 + */ + GUEST_MSG_PEEK_NOWAIT = 6, + /** Peeks at the next message, waiting for one to arrive. + * + * Returns two 32-bit parameters, first is the message ID and the second the + * parameter count. May optionally return additional 32-bit parameters with the + * sizes of respective message parameters. To distinguish buffer sizes from + * integer parameters, the latter gets their sizes inverted (uint32_t is ~4U, + * uint64_t is ~8U). + * + * To facilitate VM restore checking, the first parameter can be a 64-bit + * integer holding the VbglR3GetSessionId() value the guest knowns. The + * function will then check this before going to sleep and return + * VERR_VM_RESTORED if it doesn't match, same thing happens when the VM is + * restored. + * + * @retval VINF_SUCCESS if info about an pending message is being returned. + * @retval VINF_TRY_AGAIN and message set to HOST_CANCEL_PENDING_WAITS if + * cancelled by GUEST_MSG_CANCEL. + * @retval VERR_RESOURCE_BUSY if another thread already made a waiting call. + * @retval VERR_VM_RESTORED if first parameter is a non-zero 64-bit value that + * does not match VbglR3GetSessionId() any more. The new value is + * returned. + * @retval VERR_INVALID_CLIENT_ID + * @retval VERR_WRONG_PARAMETER_COUNT + * @retval VERR_WRONG_PARAMETER_TYPE + * @note This replaces GUEST_MSG_WAIT. + * @since 6.0 + */ + GUEST_MSG_PEEK_WAIT = 7, + /** Gets the next message, returning immediately. + * + * All parameters are specific to the message being retrieved, however if the + * first one is an integer value it shall be an input parameter holding the + * ID of the message being retrieved. While it would be nice to add a separate + * parameter for this purpose, this is difficult without breaking GUEST_MSG_WAIT + * compatibility. + * + * @retval VINF_SUCCESS if message retrieved and removed from the pending queue. + * @retval VERR_TRY_AGAIN if no message pending. + * @retval VERR_MISMATCH if the incoming message ID does not match the pending. + * @retval VERR_BUFFER_OVERFLOW if a parmeter buffer is too small. The buffer + * size was updated to reflect the required size. + * @retval VERR_INVALID_CLIENT_ID + * @retval VERR_WRONG_PARAMETER_COUNT + * @retval VERR_WRONG_PARAMETER_TYPE + * @note This replaces GUEST_MSG_WAIT. + * @since 6.0 + */ + GUEST_MSG_GET = 8, + /** Skip message. + * + * This skips the current message, replying to the main backend as best it can. + * Takes between zero and two parameters. The first parameter is the 32-bit + * VBox status code to pass onto Main when skipping the message, defaults to + * VERR_NOT_SUPPORTED. The second parameter is the 32-bit message ID of the + * message to skip, by default whatever is first in the queue is removed. This + * is also the case if UINT32_MAX is specified. + * + * @retval VINF_SUCCESS on success. + * @retval VERR_NOT_FOUND if no message pending. + * @retval VERR_MISMATCH if the specified message ID didn't match. + * @retval VERR_INVALID_CLIENT_ID + * @retval VERR_WRONG_PARAMETER_COUNT + * @since 6.0 + */ + GUEST_MSG_SKIP = 9, + /** + * Skips the current assigned message returned by GUEST_MSG_WAIT. + * Needed for telling the host service to not keep stale + * host messages in the queue. + * @deprecated Replaced by GUEST_MSG_SKIP. + */ + GUEST_MSG_SKIP_OLD = 10, + /** General reply to a host message. + * Only contains basic data along with a simple payload. + * @todo proper docs. + */ + GUEST_MSG_REPLY = 11, + /** General message for updating a pending progress for a long task. + * @todo proper docs. + */ + GUEST_MSG_PROGRESS_UPDATE = 12, + /** Sets the caller as the master. + * + * Called by the root VBoxService to explicitly tell the host that's the master + * service. Required to use main VBoxGuest device node. No parameters. + * + * @retval VINF_SUCCESS on success. + * @retval VERR_ACCESS_DENIED if not using main VBoxGuest device not + * @retval VERR_RESOURCE_BUSY if there is already a master. + * @retval VERR_VERSION_MISMATCH if VBoxGuest didn't supply requestor info. + * @retval VERR_INVALID_CLIENT_ID + * @retval VERR_WRONG_PARAMETER_COUNT + * @since 6.0 + */ + GUEST_MSG_MAKE_ME_MASTER = 13, + /** Prepares the starting of a session. + * + * VBoxService makes this call before spawning a session process (must be + * master). The first parameter is the session ID and the second is a one time + * key for identifying the right session process. First parameter is a 32-bit + * session ID with a value between 1 and 0xfff0. The second parameter is a byte + * buffer containing a key that GUEST_SESSION_ACCEPT checks against, minimum + * length is 64 bytes, maximum 16384 bytes. + * + * @retval VINF_SUCCESS on success. + * @retval VERR_OUT_OF_RESOURCES if too many pending sessions hanging around. + * @retval VERR_OUT_OF_RANGE if the session ID outside the allowed range. + * @retval VERR_BUFFER_OVERFLOW if key too large. + * @retval VERR_BUFFER_UNDERFLOW if key too small. + * @retval VERR_ACCESS_DENIED if not master or in legacy mode. + * @retval VERR_DUPLICATE if the session ID has been prepared already. + * @retval VERR_INVALID_CLIENT_ID + * @retval VERR_WRONG_PARAMETER_COUNT + * @retval VERR_WRONG_PARAMETER_TYPE + * @since 6.0 + */ + GUEST_MSG_SESSION_PREPARE = 14, + /** Cancels a prepared session. + * + * VBoxService makes this call to clean up after spawning a session process + * failed. One parameter, 32-bit session ID. If UINT32_MAX is passed, all + * prepared sessions are cancelled. + * + * @retval VINF_SUCCESS on success. + * @retval VWRN_NOT_FOUND if no session with the specified ID. + * @retval VERR_ACCESS_DENIED if not master or in legacy mode. + * @retval VERR_INVALID_CLIENT_ID + * @retval VERR_WRONG_PARAMETER_COUNT + * @retval VERR_WRONG_PARAMETER_TYPE + * @since 6.0 + */ + GUEST_MSG_SESSION_CANCEL_PREPARED = 15, + /** Accepts a prepared session. + * + * The session processes makes this call to accept a prepared session. The + * session ID is then uniquely associated with the HGCM client ID of the caller. + * The parameters must be identical to the matching GUEST_SESSION_PREPARE call. + * + * @retval VINF_SUCCESS on success. + * @retval VERR_NOT_FOUND if the specified session ID wasn't found. + * @retval VERR_OUT_OF_RANGE if the session ID outside the allowed range. + * @retval VERR_BUFFER_OVERFLOW if key too large. + * @retval VERR_BUFFER_UNDERFLOW if key too small. + * @retval VERR_ACCESS_DENIED if we're in legacy mode or is master. + * @retval VERR_RESOURCE_BUSY if the client is already associated with a session. + * @retval VERR_MISMATCH if the key didn't match. + * @retval VERR_INVALID_CLIENT_ID + * @retval VERR_WRONG_PARAMETER_COUNT + * @retval VERR_WRONG_PARAMETER_TYPE + * @since 6.0 + */ + GUEST_MSG_SESSION_ACCEPT = 16, + /** + * Guest reports back a guest session status. + * @todo proper docs. + */ + GUEST_MSG_SESSION_NOTIFY = 20, + /** + * Guest wants to close a specific guest session. + * @todo proper docs. + */ + GUEST_MSG_SESSION_CLOSE = 21, + + /** + * Guests sends output from an executed process. + * @todo proper docs. + */ + GUEST_MSG_EXEC_OUTPUT = 100, + /** + * Guest sends a status update of an executed process to the host. + * @todo proper docs. + */ + GUEST_MSG_EXEC_STATUS = 101, + /** + * Guests sends an input status notification to the host. + * @todo proper docs. + */ + GUEST_MSG_EXEC_INPUT_STATUS = 102, + /** + * Guest notifies the host about some I/O event. This can be + * a stdout, stderr or a stdin event. The actual event only tells + * how many data is available / can be sent without actually + * transmitting the data. + * @todo proper docs. + */ + GUEST_MSG_EXEC_IO_NOTIFY = 210, + /** + * Guest notifies the host about some directory event. + * @todo proper docs. + */ + GUEST_MSG_DIR_NOTIFY = 230, + /** + * Guest notifies the host about some file event. + * @todo proper docs. + */ + GUEST_MSG_FILE_NOTIFY = 240 +}; + +/** + * Translates a guest control guest message enum to a string. + * + * @returns Enum string name. + * @param enmMsg The message to translate. + */ +DECLINLINE(const char *) GstCtrlGuestMsgToStr(enum eGuestMsg enmMsg) +{ + switch (enmMsg) + { + RT_CASE_RET_STR(GUEST_MSG_WAIT); + RT_CASE_RET_STR(GUEST_MSG_CANCEL); + RT_CASE_RET_STR(GUEST_MSG_DISCONNECTED); + RT_CASE_RET_STR(GUEST_MSG_FILTER_SET); + RT_CASE_RET_STR(GUEST_MSG_FILTER_UNSET); + RT_CASE_RET_STR(GUEST_MSG_PEEK_NOWAIT); + RT_CASE_RET_STR(GUEST_MSG_PEEK_WAIT); + RT_CASE_RET_STR(GUEST_MSG_GET); + RT_CASE_RET_STR(GUEST_MSG_SKIP_OLD); + RT_CASE_RET_STR(GUEST_MSG_REPLY); + RT_CASE_RET_STR(GUEST_MSG_PROGRESS_UPDATE); + RT_CASE_RET_STR(GUEST_MSG_SKIP); + RT_CASE_RET_STR(GUEST_MSG_MAKE_ME_MASTER); + RT_CASE_RET_STR(GUEST_MSG_SESSION_PREPARE); + RT_CASE_RET_STR(GUEST_MSG_SESSION_CANCEL_PREPARED); + RT_CASE_RET_STR(GUEST_MSG_SESSION_ACCEPT); + RT_CASE_RET_STR(GUEST_MSG_SESSION_NOTIFY); + RT_CASE_RET_STR(GUEST_MSG_SESSION_CLOSE); + RT_CASE_RET_STR(GUEST_MSG_EXEC_OUTPUT); + RT_CASE_RET_STR(GUEST_MSG_EXEC_STATUS); + RT_CASE_RET_STR(GUEST_MSG_EXEC_INPUT_STATUS); + RT_CASE_RET_STR(GUEST_MSG_EXEC_IO_NOTIFY); + RT_CASE_RET_STR(GUEST_MSG_DIR_NOTIFY); + RT_CASE_RET_STR(GUEST_MSG_FILE_NOTIFY); + } + return "Unknown"; +} + + +/** + * Guest session notification types. + * @sa HGCMMsgSessionNotify. + */ +enum GUEST_SESSION_NOTIFYTYPE +{ + GUEST_SESSION_NOTIFYTYPE_UNDEFINED = 0, + /** Something went wrong (see rc). */ + GUEST_SESSION_NOTIFYTYPE_ERROR = 1, + /** Guest session has been started. */ + GUEST_SESSION_NOTIFYTYPE_STARTED = 11, + /** Guest session terminated normally. */ + GUEST_SESSION_NOTIFYTYPE_TEN = 20, + /** Guest session terminated via signal. */ + GUEST_SESSION_NOTIFYTYPE_TES = 30, + /** Guest session terminated abnormally. */ + GUEST_SESSION_NOTIFYTYPE_TEA = 40, + /** Guest session timed out and was killed. */ + GUEST_SESSION_NOTIFYTYPE_TOK = 50, + /** Guest session timed out and was not killed successfully. */ + GUEST_SESSION_NOTIFYTYPE_TOA = 60, + /** Service/OS is stopping, process was killed. */ + GUEST_SESSION_NOTIFYTYPE_DWN = 150 +}; + +/** + * Guest directory notification types. + * @sa HGCMMsgDirNotify. + */ +enum GUEST_DIR_NOTIFYTYPE +{ + GUEST_DIR_NOTIFYTYPE_UNKNOWN = 0, + /** Something went wrong (see rc). */ + GUEST_DIR_NOTIFYTYPE_ERROR = 1, + /** Guest directory opened. */ + GUEST_DIR_NOTIFYTYPE_OPEN = 10, + /** Guest directory closed. */ + GUEST_DIR_NOTIFYTYPE_CLOSE = 20, + /** Information about an open guest directory. */ + GUEST_DIR_NOTIFYTYPE_INFO = 40, + /** Guest directory created. */ + GUEST_DIR_NOTIFYTYPE_CREATE = 70, + /** Guest directory deleted. */ + GUEST_DIR_NOTIFYTYPE_REMOVE = 80 +}; + +/** + * Guest file notification types. + * @sa HGCMMsgFileNotify. + */ +enum GUEST_FILE_NOTIFYTYPE +{ + GUEST_FILE_NOTIFYTYPE_UNKNOWN = 0, + GUEST_FILE_NOTIFYTYPE_ERROR = 1, + GUEST_FILE_NOTIFYTYPE_OPEN = 10, + GUEST_FILE_NOTIFYTYPE_CLOSE = 20, + GUEST_FILE_NOTIFYTYPE_READ = 30, + GUEST_FILE_NOTIFYTYPE_WRITE = 40, + GUEST_FILE_NOTIFYTYPE_SEEK = 50, + GUEST_FILE_NOTIFYTYPE_TELL = 60 +}; + +/** + * Guest file seeking types. Has to match FileSeekType in Main. + * + * @note This is not compatible with RTFileSeek, which is an unncessary pain. + */ +enum GUEST_FILE_SEEKTYPE +{ + GUEST_FILE_SEEKTYPE_BEGIN = 1, + GUEST_FILE_SEEKTYPE_CURRENT = 4, + GUEST_FILE_SEEKTYPE_END = 8 +}; + +/* + * HGCM parameter structures. + */ +#pragma pack (1) + +/** + * Waits for a host message to arrive. The structure then contains the + * actual message type + required number of parameters needed to successfully + * retrieve that host message (in a next round). + */ +typedef struct HGCMMsgWaitFor +{ + VBGLIOCHGCMCALL hdr; + /** The returned message the host wants to run on the guest. */ + HGCMFunctionParameter msg; /* OUT uint32_t */ + /** Number of parameters the message needs. */ + HGCMFunctionParameter num_parms; /* OUT uint32_t */ +} HGCMMsgWaitFor; + +/** + * Asks the guest control host service to set a message + * filter for this client. This filter will then only + * deliver messages to the client which match the + * wanted context ID (ranges). + */ +typedef struct HGCMMsgFilterSet +{ + VBGLIOCHGCMCALL hdr; + /** Value to filter for after filter mask was applied. */ + HGCMFunctionParameter value; /* IN uint32_t */ + /** Mask to add to the current set filter. */ + HGCMFunctionParameter mask_add; /* IN uint32_t */ + /** Mask to remove from the current set filter. */ + HGCMFunctionParameter mask_remove; /* IN uint32_t */ + /** Filter flags; currently unused. */ + HGCMFunctionParameter flags; /* IN uint32_t */ +} HGCMMsgFilterSet; + +/** + * Asks the guest control host service to disable + * a previously set message filter again. + */ +typedef struct HGCMMsgFilterUnset +{ + VBGLIOCHGCMCALL hdr; + /** Unset flags; currently unused. */ + HGCMFunctionParameter flags; /* IN uint32_t */ +} HGCMMsgFilterUnset; + +/** + * Asks the guest control host service to skip the + * currently assigned host message returned by + * VbglR3GuestCtrlMsgWaitFor(). + */ +typedef struct HGCMMsgSkip +{ + VBGLIOCHGCMCALL hdr; + /** Skip flags; currently unused. */ + HGCMFunctionParameter flags; /* IN uint32_t */ +} HGCMMsgSkip; + +/** + * Asks the guest control host service to cancel all pending (outstanding) + * waits which were not processed yet. This is handy for a graceful shutdown. + */ +typedef struct HGCMMsgCancelPendingWaits +{ + VBGLIOCHGCMCALL hdr; +} HGCMMsgCancelPendingWaits; + +typedef struct HGCMMsgReply +{ + VBGLIOCHGCMCALL hdr; + /** Context ID. */ + HGCMFunctionParameter context; + /** Message type. */ + HGCMFunctionParameter type; + /** IPRT result of overall operation. */ + HGCMFunctionParameter rc; + /** Optional payload to this reply. */ + HGCMFunctionParameter payload; +} HGCMMsgReply; + +/** + * Creates a guest session. + */ +typedef struct HGCMMsgSessionOpen +{ + VBGLIOCHGCMCALL hdr; + /** Context ID. */ + HGCMFunctionParameter context; + /** The guest control protocol version this + * session is about to use. */ + HGCMFunctionParameter protocol; + /** The user name to run the guest session under. */ + HGCMFunctionParameter username; + /** The user's password. */ + HGCMFunctionParameter password; + /** The domain to run the guest session under. */ + HGCMFunctionParameter domain; + /** Session creation flags. */ + HGCMFunctionParameter flags; +} HGCMMsgSessionOpen; + +/** + * Terminates (closes) a guest session. + */ +typedef struct HGCMMsgSessionClose +{ + VBGLIOCHGCMCALL hdr; + /** Context ID. */ + HGCMFunctionParameter context; + /** Session termination flags. */ + HGCMFunctionParameter flags; +} HGCMMsgSessionClose; + +/** + * Reports back a guest session's status. + */ +typedef struct HGCMMsgSessionNotify +{ + VBGLIOCHGCMCALL hdr; + /** Context ID. */ + HGCMFunctionParameter context; + /** Notification type. */ + HGCMFunctionParameter type; + /** Notification result. */ + HGCMFunctionParameter result; +} HGCMMsgSessionNotify; + +typedef struct HGCMMsgPathRename +{ + VBGLIOCHGCMCALL hdr; + /** UInt32: Context ID. */ + HGCMFunctionParameter context; + /** Source to rename. */ + HGCMFunctionParameter source; + /** Destination to rename source to. */ + HGCMFunctionParameter dest; + /** UInt32: Rename flags. */ + HGCMFunctionParameter flags; +} HGCMMsgPathRename; + +typedef struct HGCMMsgPathUserDocuments +{ + VBGLIOCHGCMCALL hdr; + /** UInt32: Context ID. */ + HGCMFunctionParameter context; +} HGCMMsgPathUserDocuments; + +typedef struct HGCMMsgPathUserHome +{ + VBGLIOCHGCMCALL hdr; + /** UInt32: Context ID. */ + HGCMFunctionParameter context; +} HGCMMsgPathUserHome; + +/** + * Executes a command inside the guest. + */ +typedef struct HGCMMsgProcExec +{ + VBGLIOCHGCMCALL hdr; + /** Context ID. */ + HGCMFunctionParameter context; + /** The command to execute on the guest. */ + HGCMFunctionParameter cmd; + /** Execution flags (see IGuest::ProcessCreateFlag_*). */ + HGCMFunctionParameter flags; + /** Number of arguments. */ + HGCMFunctionParameter num_args; + /** The actual arguments. */ + HGCMFunctionParameter args; + /** Number of environment value pairs. */ + HGCMFunctionParameter num_env; + /** Size (in bytes) of environment block, including terminating zeros. */ + HGCMFunctionParameter cb_env; + /** The actual environment block. */ + HGCMFunctionParameter env; + union + { + struct + { + /** The user name to run the executed command under. + * Only for VBox < 4.3 hosts. */ + HGCMFunctionParameter username; + /** The user's password. + * Only for VBox < 4.3 hosts. */ + HGCMFunctionParameter password; + /** Timeout (in msec) which either specifies the + * overall lifetime of the process or how long it + * can take to bring the process up and running - + * (depends on the IGuest::ProcessCreateFlag_*). */ + HGCMFunctionParameter timeout; + } v1; + struct + { + /** Timeout (in ms) which either specifies the + * overall lifetime of the process or how long it + * can take to bring the process up and running - + * (depends on the IGuest::ProcessCreateFlag_*). */ + HGCMFunctionParameter timeout; + /** Process priority. */ + HGCMFunctionParameter priority; + /** Number of process affinity blocks. */ + HGCMFunctionParameter num_affinity; + /** Pointer to process affinity blocks (uint64_t). */ + HGCMFunctionParameter affinity; + } v2; + } u; +} HGCMMsgProcExec; + +/** + * Sends input to a guest process via stdin. + */ +typedef struct HGCMMsgProcInput +{ + VBGLIOCHGCMCALL hdr; + /** Context ID. */ + HGCMFunctionParameter context; + /** The process ID (PID) to send the input to. */ + HGCMFunctionParameter pid; + /** Input flags (see IGuest::ProcessInputFlag_*). */ + HGCMFunctionParameter flags; + /** Data buffer. */ + HGCMFunctionParameter data; + /** Actual size of data (in bytes). */ + HGCMFunctionParameter size; +} HGCMMsgProcInput; + +/** + * Retrieves ouptut from a previously executed process + * from stdout/stderr. + */ +typedef struct HGCMMsgProcOutput +{ + VBGLIOCHGCMCALL hdr; + /** Context ID. */ + HGCMFunctionParameter context; + /** The process ID (PID). */ + HGCMFunctionParameter pid; + /** The pipe handle ID (stdout/stderr). */ + HGCMFunctionParameter handle; + /** Optional flags. */ + HGCMFunctionParameter flags; + /** Data buffer. */ + HGCMFunctionParameter data; +} HGCMMsgProcOutput; + +/** + * Reports the current status of a guest process. + */ +typedef struct HGCMMsgProcStatus +{ + VBGLIOCHGCMCALL hdr; + /** Context ID. */ + HGCMFunctionParameter context; + /** The process ID (PID). */ + HGCMFunctionParameter pid; + /** The process status. */ + HGCMFunctionParameter status; + /** Optional flags (based on status). */ + HGCMFunctionParameter flags; + /** Optional data buffer (not used atm). */ + HGCMFunctionParameter data; +} HGCMMsgProcStatus; + +/** + * Reports back the status of data written to a process. + */ +typedef struct HGCMMsgProcStatusInput +{ + VBGLIOCHGCMCALL hdr; + /** Context ID. */ + HGCMFunctionParameter context; + /** The process ID (PID). */ + HGCMFunctionParameter pid; + /** Status of the operation. */ + HGCMFunctionParameter status; + /** Optional flags. */ + HGCMFunctionParameter flags; + /** Data written. */ + HGCMFunctionParameter written; +} HGCMMsgProcStatusInput; + +/* + * Guest control 2.0 messages. + */ + +/** + * Terminates a guest process. + */ +typedef struct HGCMMsgProcTerminate +{ + VBGLIOCHGCMCALL hdr; + /** Context ID. */ + HGCMFunctionParameter context; + /** The process ID (PID). */ + HGCMFunctionParameter pid; +} HGCMMsgProcTerminate; + +/** + * Waits for certain events to happen. + */ +typedef struct HGCMMsgProcWaitFor +{ + VBGLIOCHGCMCALL hdr; + /** Context ID. */ + HGCMFunctionParameter context; + /** The process ID (PID). */ + HGCMFunctionParameter pid; + /** Wait (event) flags. */ + HGCMFunctionParameter flags; + /** Timeout (in ms). */ + HGCMFunctionParameter timeout; +} HGCMMsgProcWaitFor; + +typedef struct HGCMMsgDirRemove +{ + VBGLIOCHGCMCALL hdr; + /** UInt32: Context ID. */ + HGCMFunctionParameter context; + /** Directory to remove. */ + HGCMFunctionParameter path; + /** UInt32: Removement flags. */ + HGCMFunctionParameter flags; +} HGCMMsgDirRemove; + +/** + * Opens a guest file. + */ +typedef struct HGCMMsgFileOpen +{ + VBGLIOCHGCMCALL hdr; + /** UInt32: Context ID. */ + HGCMFunctionParameter context; + /** File to open. */ + HGCMFunctionParameter filename; + /** Open mode. */ + HGCMFunctionParameter openmode; + /** Disposition mode. */ + HGCMFunctionParameter disposition; + /** Sharing mode. */ + HGCMFunctionParameter sharing; + /** UInt32: Creation mode. */ + HGCMFunctionParameter creationmode; + /** UInt64: Initial offset. */ + HGCMFunctionParameter offset; +} HGCMMsgFileOpen; + +/** + * Closes a guest file. + */ +typedef struct HGCMMsgFileClose +{ + VBGLIOCHGCMCALL hdr; + /** Context ID. */ + HGCMFunctionParameter context; + /** File handle to close. */ + HGCMFunctionParameter handle; +} HGCMMsgFileClose; + +/** + * Reads from a guest file. + */ +typedef struct HGCMMsgFileRead +{ + VBGLIOCHGCMCALL hdr; + /** Context ID. */ + HGCMFunctionParameter context; + /** File handle to read from. */ + HGCMFunctionParameter handle; + /** Size (in bytes) to read. */ + HGCMFunctionParameter size; +} HGCMMsgFileRead; + +/** + * Reads at a specified offset from a guest file. + */ +typedef struct HGCMMsgFileReadAt +{ + VBGLIOCHGCMCALL hdr; + /** Context ID. */ + HGCMFunctionParameter context; + /** File handle to read from. */ + HGCMFunctionParameter handle; + /** Offset where to start reading from. */ + HGCMFunctionParameter offset; + /** Actual size of data (in bytes). */ + HGCMFunctionParameter size; +} HGCMMsgFileReadAt; + +/** + * Writes to a guest file. + */ +typedef struct HGCMMsgFileWrite +{ + VBGLIOCHGCMCALL hdr; + /** Context ID. */ + HGCMFunctionParameter context; + /** File handle to write to. */ + HGCMFunctionParameter handle; + /** Actual size of data (in bytes). */ + HGCMFunctionParameter size; + /** Data buffer to write to the file. */ + HGCMFunctionParameter data; +} HGCMMsgFileWrite; + +/** + * Writes at a specified offset to a guest file. + */ +typedef struct HGCMMsgFileWriteAt +{ + VBGLIOCHGCMCALL hdr; + /** Context ID. */ + HGCMFunctionParameter context; + /** File handle to write to. */ + HGCMFunctionParameter handle; + /** Offset where to start reading from. */ + HGCMFunctionParameter offset; + /** Actual size of data (in bytes). */ + HGCMFunctionParameter size; + /** Data buffer to write to the file. */ + HGCMFunctionParameter data; +} HGCMMsgFileWriteAt; + +/** + * Seeks the read/write position of a guest file. + */ +typedef struct HGCMMsgFileSeek +{ + VBGLIOCHGCMCALL hdr; + /** Context ID. */ + HGCMFunctionParameter context; + /** File handle to seek. */ + HGCMFunctionParameter handle; + /** The seeking method. */ + HGCMFunctionParameter method; + /** The seeking offset. */ + HGCMFunctionParameter offset; +} HGCMMsgFileSeek; + +/** + * Tells the current read/write position of a guest file. + */ +typedef struct HGCMMsgFileTell +{ + VBGLIOCHGCMCALL hdr; + /** Context ID. */ + HGCMFunctionParameter context; + /** File handle to get the current position for. */ + HGCMFunctionParameter handle; +} HGCMMsgFileTell; + +/****************************************************************************** +* HGCM replies from the guest. These are handled in Main's low-level HGCM * +* callbacks and dispatched to the appropriate guest object. * +******************************************************************************/ + +typedef struct HGCMReplyFileNotify +{ + VBGLIOCHGCMCALL hdr; + /** Context ID. */ + HGCMFunctionParameter context; + /** Notification type. */ + HGCMFunctionParameter type; + /** IPRT result of overall operation. */ + HGCMFunctionParameter rc; + union + { + struct + { + /** Guest file handle. */ + HGCMFunctionParameter handle; + } open; + /** Note: Close does not have any additional data (yet). */ + struct + { + /** Actual data read (if any). */ + HGCMFunctionParameter data; + } read; + struct + { + /** How much data (in bytes) have been successfully written. */ + HGCMFunctionParameter written; + } write; + struct + { + HGCMFunctionParameter offset; + } seek; + struct + { + HGCMFunctionParameter offset; + } tell; + } u; +} HGCMReplyFileNotify; + +typedef struct HGCMReplyDirNotify +{ + VBGLIOCHGCMCALL hdr; + /** Context ID. */ + HGCMFunctionParameter context; + /** Notification type. */ + HGCMFunctionParameter type; + /** IPRT result of overall operation. */ + HGCMFunctionParameter rc; + union + { + struct + { + /** Directory information. */ + HGCMFunctionParameter objInfo; + } info; + struct + { + /** Guest directory handle. */ + HGCMFunctionParameter handle; + } open; + struct + { + /** Current read directory entry. */ + HGCMFunctionParameter entry; + /** Extended entry object information. Optional. */ + HGCMFunctionParameter objInfo; + } read; + } u; +} HGCMReplyDirNotify; + +#pragma pack () + +/****************************************************************************** +* Callback data structures. * +******************************************************************************/ + +/** + * The guest control callback data header. Must come first + * on each callback structure defined below this struct. + */ +typedef struct CALLBACKDATA_HEADER +{ + /** Context ID to identify callback data. This is + * and *must* be the very first parameter in this + * structure to still be backwards compatible. */ + uint32_t uContextID; +} CALLBACKDATA_HEADER, *PCALLBACKDATA_HEADER; + +/* + * These structures make up the actual low level HGCM callback data sent from + * the guest back to the host. + */ + +typedef struct CALLBACKDATA_CLIENT_DISCONNECTED +{ + /** Callback data header. */ + CALLBACKDATA_HEADER hdr; +} CALLBACKDATA_CLIENT_DISCONNECTED, *PCALLBACKDATA_CLIENT_DISCONNECTED; + +typedef struct CALLBACKDATA_MSG_REPLY +{ + /** Callback data header. */ + CALLBACKDATA_HEADER hdr; + /** Notification type. */ + uint32_t uType; + /** Notification result. Note: int vs. uint32! */ + uint32_t rc; + /** Pointer to optional payload. */ + void *pvPayload; + /** Payload size (in bytes). */ + uint32_t cbPayload; +} CALLBACKDATA_MSG_REPLY, *PCALLBACKDATA_MSG_REPLY; + +typedef struct CALLBACKDATA_SESSION_NOTIFY +{ + /** Callback data header. */ + CALLBACKDATA_HEADER hdr; + /** Notification type. */ + uint32_t uType; + /** Notification result. Note: int vs. uint32! */ + uint32_t uResult; +} CALLBACKDATA_SESSION_NOTIFY, *PCALLBACKDATA_SESSION_NOTIFY; + +typedef struct CALLBACKDATA_PROC_STATUS +{ + /** Callback data header. */ + CALLBACKDATA_HEADER hdr; + /** The process ID (PID). */ + uint32_t uPID; + /** The process status. */ + uint32_t uStatus; + /** Optional flags, varies, based on u32Status. */ + uint32_t uFlags; + /** Optional data buffer (not used atm). */ + void *pvData; + /** Size of optional data buffer (not used atm). */ + uint32_t cbData; +} CALLBACKDATA_PROC_STATUS, *PCALLBACKDATA_PROC_STATUS; + +typedef struct CALLBACKDATA_PROC_OUTPUT +{ + /** Callback data header. */ + CALLBACKDATA_HEADER hdr; + /** The process ID (PID). */ + uint32_t uPID; + /** The handle ID (stdout/stderr). */ + uint32_t uHandle; + /** Optional flags (not used atm). */ + uint32_t uFlags; + /** Optional data buffer. */ + void *pvData; + /** Size (in bytes) of optional data buffer. */ + uint32_t cbData; +} CALLBACKDATA_PROC_OUTPUT, *PCALLBACKDATA_PROC_OUTPUT; + +typedef struct CALLBACKDATA_PROC_INPUT +{ + /** Callback data header. */ + CALLBACKDATA_HEADER hdr; + /** The process ID (PID). */ + uint32_t uPID; + /** Current input status. */ + uint32_t uStatus; + /** Optional flags. */ + uint32_t uFlags; + /** Size (in bytes) of processed input data. */ + uint32_t uProcessed; +} CALLBACKDATA_PROC_INPUT, *PCALLBACKDATA_PROC_INPUT; + +/** + * General guest directory notification callback. + */ +typedef struct CALLBACKDATA_DIR_NOTIFY +{ + /** Callback data header. */ + CALLBACKDATA_HEADER hdr; + /** Notification type. */ + uint32_t uType; + /** IPRT result of overall operation. */ + uint32_t rc; + union + { + struct + { + /** Size (in bytes) of directory information. */ + uint32_t cbObjInfo; + /** Pointer to directory information. */ + void *pvObjInfo; + } info; + struct + { + /** Guest directory handle. */ + uint32_t uHandle; + } open; + /** Note: Close does not have any additional data (yet). */ + struct + { + /** Size (in bytes) of directory entry information. */ + uint32_t cbEntry; + /** Pointer to directory entry information. */ + void *pvEntry; + /** Size (in bytes) of directory entry object information. */ + uint32_t cbObjInfo; + /** Pointer to directory entry object information. */ + void *pvObjInfo; + } read; + } u; +} CALLBACKDATA_DIR_NOTIFY, *PCALLBACKDATA_DIR_NOTIFY; + +/** + * General guest file notification callback. + */ +typedef struct CALLBACKDATA_FILE_NOTIFY +{ + /** Callback data header. */ + CALLBACKDATA_HEADER hdr; + /** Notification type. */ + uint32_t uType; + /** IPRT result of overall operation. */ + uint32_t rc; + union + { + struct + { + /** Guest file handle. */ + uint32_t uHandle; + } open; + /** Note: Close does not have any additional data (yet). */ + struct + { + /** How much data (in bytes) have been read. */ + uint32_t cbData; + /** Actual data read (if any). */ + void *pvData; + } read; + struct + { + /** How much data (in bytes) have been successfully written. */ + uint32_t cbWritten; + } write; + struct + { + /** New file offset after successful seek. */ + uint64_t uOffActual; + } seek; + struct + { + /** New file offset after successful tell. */ + uint64_t uOffActual; + } tell; + } u; +} CALLBACKDATA_FILE_NOTIFY, *PCALLBACKDATA_FILE_NOTIFY; + +} /* namespace guestControl */ + +#endif /* !VBOX_INCLUDED_HostServices_GuestControlSvc_h */ + |