From 640605a8d95e6c14d08cb8bda1cb04a062750c5c Mon Sep 17 00:00:00 2001 From: Simon Rozman Date: Fri, 24 Jul 2020 08:29:55 +0200 Subject: api: update documentation Signed-off-by: Simon Rozman --- api/api.c | 10 ++++++ api/devmgmt.c | 94 ++++++++++++++++++++++++++--------------------------- api/registry.c | 101 ++++++++++++++++++++++++++++----------------------------- 3 files changed, 106 insertions(+), 99 deletions(-) (limited to 'api') diff --git a/api/api.c b/api/api.c index e9e3231..5816b4c 100644 --- a/api/api.c +++ b/api/api.c @@ -9,6 +9,16 @@ HINSTANCE ResourceModule; /** * Returns the version of the Wintun driver and NDIS system currently loaded. + * + * @param DriverVersionMaj Pointer to a DWORD to receive the Wintun driver major version number. + * + * @param DriverVersionMin Pointer to a DWORD to receive the Wintun driver minor version number. + * + * @param NdisVersionMaj Pointer to a DWORD to receive the NDIS major version number. + * + * @param NdisVersionMin Pointer to a DWORD to receive the NDIS minor version number. + * + * @return ERROR_SUCCESS on success; Win32 error code otherwise. */ WINTUN_STATUS WINAPI WintunGetVersion( diff --git a/api/devmgmt.c b/api/devmgmt.c index de83495..e9ff176 100644 --- a/api/devmgmt.c +++ b/api/devmgmt.c @@ -21,21 +21,20 @@ const static GUID ADAPTER_NET_GUID = { 0xcac88484L, * @param DevInfo A handle to the device information set that contains a device information element that * represents the device for which to open a registry key. * - * @param DevInfoData A pointer to a structure that specifies the device information element in DeviceInfoSet. + * @param DevInfoData A pointer to a structure that specifies the device information element in DevInfo. * * @param Property The property to be retrieved. One of the SPDRP_* constants. * - * @param PropertyRegDataType A pointer to a variable that receives the data type of the property that is being - * retrieved. This is one of the standard registry data types. This parameter is optional - * and can be NULL. + * @param ValueType A pointer to a variable that receives the data type of the property that is being retrieved. + * This is one of the standard registry data types. * - * @param PropertyBuffer A pointer to a buffer that receives the property that is being retrieved. Must be - * released with HeapFree(GetProcessHeap(), 0, Value) after use. + * @param Buf A pointer to a buffer that receives the property that is being retrieved. Must be released with + * HeapFree(GetProcessHeap(), 0, *Buf) after use. * - * @param PropertySize A pointer to a variable of type DWORD that receives the property size, in bytes, of the - * PropertyBuffer buffer. This parameter is optional and can be NULL. + * @param BufLen On input, a hint of expected registry value size in bytes; on output, actual registry value size + * in bytes. * - * @return ERROR_SUCCESS on success; Win32 error code otherwise + * @return ERROR_SUCCESS on success; Win32 error code otherwise. */ static WINTUN_STATUS GetDeviceRegistryProperty( @@ -67,14 +66,14 @@ GetDeviceRegistryProperty( * @param DevInfo A handle to the device information set that contains a device information element that * represents the device for which to open a registry key. * - * @param DevInfoData A pointer to a structure that specifies the device information element in DeviceInfoSet. + * @param DevInfoData A pointer to a structure that specifies the device information element in DevInfo. * * @param Property The property to be retrieved. One of the SPDRP_* constants. * - * @param PropertyBuffer A pointer to a string that receives the string that is being retrieved. Must be - * released with HeapFree(GetProcessHeap(), 0, Value) after use. + * @param Buf A pointer to a string that receives the string that is being retrieved. Must be released with + * HeapFree(GetProcessHeap(), 0, *Buf) after use. * - * @return ERROR_SUCCESS on success; Win32 error code otherwise + * @return ERROR_SUCCESS on success; Win32 error code otherwise. */ static WINTUN_STATUS GetDeviceRegistryString( @@ -108,14 +107,14 @@ GetDeviceRegistryString( * @param DevInfo A handle to the device information set that contains a device information element that * represents the device for which to open a registry key. * - * @param DevInfoData A pointer to a structure that specifies the device information element in DeviceInfoSet. + * @param DevInfoData A pointer to a structure that specifies the device information element in DevInfo. * * @param Property The property to be retrieved. One of the SPDRP_* constants. * - * @param PropertyBuffer A pointer to a multi-string that receives the string that is being retrieved. Must be - * released with HeapFree(GetProcessHeap(), 0, Value) after use. + * @param Buf A pointer to a multi-string that receives the string that is being retrieved. Must be released + * with HeapFree(GetProcessHeap(), 0, *Buf) after use. * - * @return ERROR_SUCCESS on success; Win32 error code otherwise + * @return ERROR_SUCCESS on success; Win32 error code otherwise. */ static WINTUN_STATUS GetDeviceRegistryMultiString( @@ -150,15 +149,15 @@ GetDeviceRegistryMultiString( * @param DevInfo A handle to the device information set that contains a device information element that * represents the device for which to open a registry key. * - * @param DevInfoData A pointer to a structure that specifies the device information element in DeviceInfoSet. + * @param DevInfoData A pointer to a structure that specifies the device information element in DevInfo. * * @param DriverData A pointer to a structure that specifies the driver information element that represents the * driver for which to retrieve details. * * @param DriverDetailData A pointer to a structure that receives detailed information about the specified driver. - * Must be released with HeapFree(GetProcessHeap(), 0, Value) after use. + * Must be released with HeapFree(GetProcessHeap(), 0, *DriverDetailData) after use. * - * @return ERROR_SUCCESS on success; Win32 error code otherwise + * @return ERROR_SUCCESS on success; Win32 error code otherwise. */ static WINTUN_STATUS GetDriverInfoDetail( @@ -187,7 +186,7 @@ GetDriverInfoDetail( /** * Tests if any of the hardware IDs match ours. * - * @param Hwids Multi-string containing a list of hardware IDs + * @param Hwids Multi-string containing a list of hardware IDs. * * @return TRUE on match; FALSE otherwise. */ @@ -201,7 +200,7 @@ IsOurHardwareID(_In_z_ WCHAR *Hwids) } /** - * Check if the device is using Wintun driver. + * Checks if the device is using Wintun driver. */ static WINTUN_STATUS IsUsingOurDriver(_In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA *DevInfoData, _Out_ BOOL *IsOurDriver) @@ -269,11 +268,11 @@ SetQuietInstall(_In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA *DevInfoData) * @param DevInfo A handle to the device information set that contains a device information element that * represents the device for which to open a registry key. * - * @param DevInfoData A pointer to a structure that specifies the device information element in DeviceInfoSet. + * @param DevInfoData A pointer to a structure that specifies the device information element in DevInfo. * * @param CfgInstanceID Pointer to a GUID to receive the adapter GUID. * - * @return ERROR_SUCCESS on success; Win32 error code otherwise + * @return ERROR_SUCCESS on success; Win32 error code otherwise. */ static WINTUN_STATUS GetNetCfgInstanceId(_In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA *DevInfoData, _Out_ GUID *CfgInstanceID) @@ -295,16 +294,16 @@ cleanupKey: /** * Returns device info list handle and adapter device info data. * - * @param CfgInstanceID The adapter GUID + * @param CfgInstanceID The adapter GUID. * * @param DevInfo A pointer to receive the handle of the device information set that contains a device information * element that represents the device. Must be released with SetupDiDestroyDeviceInfoList(*DevInfo) * after use. * * @param DevInfoData A pointer to a structure that receives specification of the device information element in - * DeviceInfoSet. + * DevInfo. * - * @return ERROR_SUCCESS on success; ERROR_FILE_NOT_FOUND if the device is not found; Win32 error code otherwise + * @return ERROR_SUCCESS on success; ERROR_FILE_NOT_FOUND if the device is not found; Win32 error code otherwise. */ static WINTUN_STATUS GetDevInfoData(_In_ const GUID *CfgInstanceID, _Out_ HDEVINFO *DevInfo, _Out_ SP_DEVINFO_DATA *DevInfoData) @@ -412,14 +411,15 @@ cleanupDeviceDesc: * @param DevInfo A handle to the device information set that contains a device information element that * represents the device for which to open a registry key. * - * @param DevInfoData A pointer to a structure that specifies the device information element in DeviceInfoSet. + * @param DevInfoData A pointer to a structure that specifies the device information element in DevInfo. * - * @param Pool Name of the adapter pool + * @param Pool Name of the adapter pool. * * @param Adapter Pointer to a handle to receive the adapter descriptor. Must be released with * HeapFree(GetProcessHeap(), 0, *Adapter). * - * @return ERROR_SUCCESS on success; Win32 error code otherwise + * @return ERROR_SUCCESS on success; ERROR_INVALID_DATATYPE or ERROR_INVALID_DATA on any invalid registry values; Win32 + * error code otherwise. */ static WINTUN_STATUS CreateAdapterData( @@ -549,7 +549,7 @@ cleanupTcpipAdapterRegKey: /** * Releases Wintun adapter resources. * - * @param Adapter Adapter handle obtained with WintunGetAdapter or WintunCreateAdapter + * @param Adapter Adapter handle obtained with WintunGetAdapter or WintunCreateAdapter. */ void WINAPI WintunFreeAdapter(_In_ WINTUN_ADAPTER *Adapter) @@ -560,16 +560,14 @@ WintunFreeAdapter(_In_ WINTUN_ADAPTER *Adapter) /** * Finds a Wintun adapter by its name. * - * @param Pool Name of the adapter pool + * @param Pool Name of the adapter pool. * - * @param Name Adapter name + * @param Name Adapter name. * - * @param Adapter Pointer to a handle to receive the adapter handle. Must be released with - * WintunFreeAdapter. + * @param Adapter Pointer to a handle to receive the adapter handle. Must be released with WintunFreeAdapter. * - * @return ERROR_SUCCESS on success; Win32 error code otherwise; - * ERROR_FILE_NOT_FOUND if adapter with given name is not found; - * ERROR_ALREADY_EXISTS if adapter is found but not a Wintun-class or not a member of the pool + * @return ERROR_SUCCESS on success; ERROR_FILE_NOT_FOUND if adapter with given name is not found; ERROR_ALREADY_EXISTS + * if adapter is found but not a Wintun-class or not a member of the pool; Win32 error code otherwise */ WINTUN_STATUS WINAPI WintunGetAdapter(_In_z_count_c_(MAX_POOL) const WCHAR *Pool, _In_z_ const WCHAR *Name, _Out_ WINTUN_ADAPTER **Adapter) @@ -769,11 +767,11 @@ WintunGetAdapterLUID(_In_ const WINTUN_ADAPTER *Adapter, _Out_ LUID *Luid) /** * Returns a handle to the adapter device object. * - * @param Adapter Adapter handle obtained with WintunGetAdapter or WintunCreateAdapter + * @param Adapter Adapter handle obtained with WintunGetAdapter or WintunCreateAdapter. * * @param Handle Pointer to receive the adapter device object handle. Must be released with CloseHandle. * - * @return ERROR_SUCCESS on success; Win32 error code otherwise + * @return ERROR_SUCCESS on success; Win32 error code otherwise. */ WINTUN_STATUS WINAPI WintunGetAdapterDeviceObject(_In_ const WINTUN_ADAPTER *Adapter, _Out_ HANDLE *Handle) @@ -840,9 +838,9 @@ IsNewer(_In_ const SP_DRVINFO_DATA_W *DriverData, _In_ const FILETIME *DriverDat /** * Creates a Wintun adapter. * - * @param Pool Name of the adapter pool + * @param Pool Name of the adapter pool. * - * @param Name The requested name of the adapter + * @param Name The requested name of the adapter. * * @param RequestedGUID The GUID of the created network adapter, which then influences NLA generation * deterministically. If it is set to NULL, the GUID is chosen by the system at random, and hence @@ -856,7 +854,7 @@ IsNewer(_In_ const SP_DRVINFO_DATA_W *DriverData, _In_ const FILETIME *DriverDat * @param RebootRequired Pointer to a boolean flag to be set to TRUE in case SetupAPI suggests a reboot. Must be * initialised to FALSE manually before this function is called. * - * @return ERROR_SUCCESS on success; Win32 error code otherwise + * @return ERROR_SUCCESS on success; Win32 error code otherwise. */ WINTUN_STATUS WINAPI WintunCreateAdapter( @@ -1105,12 +1103,12 @@ cleanupMutex: /** * Deletes a Wintun adapter. * - * @param Adapter Adapter handle obtained with WintunGetAdapter or WintunCreateAdapter + * @param Adapter Adapter handle obtained with WintunGetAdapter or WintunCreateAdapter. * * @param RebootRequired Pointer to a boolean flag to be set to TRUE in case SetupAPI suggests a reboot. Must be * initialised to FALSE manually before this function is called. * - * @return ERROR_SUCCESS on success; Win32 error code otherwise. This function succeeds if the adapter was not found. + * @return ERROR_SUCCESS on success or the adapter was not found; Win32 error code otherwise. */ WINTUN_STATUS WINAPI WintunDeleteAdapter(_In_ const WINTUN_ADAPTER *Adapter, _Inout_ BOOL *RebootRequired) @@ -1142,14 +1140,14 @@ cleanupDevInfo: /** * Enumerates all Wintun adapters. * - * @param Pool Name of the adapter pool + * @param Pool Name of the adapter pool. * * @param Func Callback function. To continue enumeration, the callback function must return TRUE; to stop * enumeration, it must return FALSE. * - * @param Param An application-defined value to be passed to the callback function + * @param Param An application-defined value to be passed to the callback function. * - * @return ERROR_SUCCESS on success; Win32 error code otherwise + * @return ERROR_SUCCESS on success; Win32 error code otherwise. */ WINTUN_STATUS WINAPI WintunEnumAdapters(_In_z_count_c_(MAX_POOL) const WCHAR *Pool, _In_ WINTUN_ENUMPROC Func, _In_ LPARAM Param) diff --git a/api/registry.c b/api/registry.c index 7a68e58..f822a0e 100644 --- a/api/registry.c +++ b/api/registry.c @@ -53,15 +53,15 @@ OpenKeyWait(_In_ HKEY Key, _Inout_z_ WCHAR *Path, _In_ DWORD Access, _In_ ULONGL * * @param Key Handle of the parent registry key. Must be opened with notify access. * - * @param Path Subpath of the registry key to open + * @param Path Subpath of the registry key to open. * - * @param Access A mask that specifies the desired access rights to the key to be opened + * @param Access A mask that specifies the desired access rights to the key to be opened. * - * @param Timeout Timeout to wait for the value in milliseconds + * @param Timeout Timeout to wait for the value in milliseconds. * - * @param KeyOut Pointer to a variable to receive the key handle + * @param KeyOut Pointer to a variable to receive the key handle. * - * @return ERROR_SUCCESS on success; WAIT_TIMEOUT on timeout; error code otherwise + * @return ERROR_SUCCESS on success; WAIT_TIMEOUT on timeout; Win32 error code otherwise. */ WINTUN_STATUS RegistryOpenKeyWait( @@ -88,19 +88,19 @@ RegistryWaitForKey(_In_ HKEY Key, _In_z_count_c_(MAX_REG_PATH) const WCHAR *Path } /** - * Validate and/or sanitize string value read from registry. + * Validates and/or sanitizes string value read from registry. * - * @param Buf On input, it contains pointer to pointer where the data is stored. The data must be - * allocated using HeapAlloc(GetProcessHeap(), 0). - * On output, it contains pointer to pointer where the sanitized data is stored. It must be - * released with HeapFree(GetProcessHeap(), 0, *Buf) after use. + * @param Buf On input, it contains a pointer to pointer where the data is stored. The data must be allocated + * using HeapAlloc(GetProcessHeap(), 0). On output, it contains a pointer to pointer where the + * sanitized data is stored. It must be released with HeapFree(GetProcessHeap(), 0, *Buf) after + * use. * - * @param Len Length of data string in wide characters + * @param Len Length of data string in wide characters. * * @param ValueType Type of data. Must be either REG_SZ or REG_EXPAND_SZ. REG_MULTI_SZ is treated like REG_SZ; only * the first string of a multi-string is to be used. * - * @return ERROR_SUCCESS on success; Win32 error code otherwise + * @return ERROR_SUCCESS on success; Win32 error code otherwise. */ WINTUN_STATUS RegistryGetString(_Inout_ WCHAR **Buf, _In_ DWORD Len, _In_ DWORD ValueType) @@ -153,18 +153,18 @@ RegistryGetString(_Inout_ WCHAR **Buf, _In_ DWORD Len, _In_ DWORD ValueType) } /** - * Validate and/or sanitize multi-string value read from registry. + * Validates and/or sanitizes multi-string value read from registry. * - * @param Buf On input, it contains pointer to pointer where the data is stored. The data must be - * allocated using HeapAlloc(GetProcessHeap(), 0). - * On output, it contains pointer to pointer where the sanitized data is stored. It must be - * released with HeapFree(GetProcessHeap(), 0, *Buf) after use. + * @param Buf On input, it contains a pointer to pointer where the data is stored. The data must be allocated + * using HeapAlloc(GetProcessHeap(), 0). On output, it contains a pointer to pointer where the + * sanitized data is stored. It must be released with HeapFree(GetProcessHeap(), 0, *Buf) after + * use. * - * @param Len Length of data string in wide characters + * @param Len Length of data string in wide characters. * * @param ValueType Type of data. Must be one of REG_MULTI_SZ, REG_SZ or REG_EXPAND_SZ. * - * @return ERROR_SUCCESS on success; Win32 error code otherwise + * @return ERROR_SUCCESS on success; Win32 error code otherwise. */ WINTUN_STATUS RegistryGetMultiString(_Inout_ WCHAR **Buf, _In_ DWORD Len, _In_ DWORD ValueType) @@ -223,10 +223,9 @@ RegistryGetMultiString(_Inout_ WCHAR **Buf, _In_ DWORD Len, _In_ DWORD ValueType /** * Retrieves the type and data for the specified value name associated with an open registry key. * - * @param Key Handle of the registry key to read from. Must be opened with read - * access. + * @param Key Handle of the registry key to read from. Must be opened with read access. * - * @param Name Name of the value to read + * @param Name Name of the value to read. * * @param ValueType A pointer to a variable that receives a code indicating the type of data stored in the specified * value. @@ -237,7 +236,7 @@ RegistryGetMultiString(_Inout_ WCHAR **Buf, _In_ DWORD Len, _In_ DWORD ValueType * @param BufLen On input, a hint of expected registry value size in bytes; on output, actual registry value size * in bytes. * - * @return ERROR_SUCCESS on success; Win32 error code otherwise + * @return ERROR_SUCCESS on success; Win32 error code otherwise. */ static WINTUN_STATUS RegistryQuery( @@ -265,17 +264,17 @@ RegistryQuery( /** * Reads string value from registry key. * - * @param Key Handle of the registry key to read from. Must be opened with read - * access. + * @param Key Handle of the registry key to read from. Must be opened with read access. * - * @param Name Name of the value to read + * @param Name Name of the value to read. * - * @param Value Pointer to string to retrieve registry value. If the value type is - * REG_EXPAND_SZ the value is expanded using ExpandEnvironmentStrings(). If the value type is - * REG_MULTI_SZ, only the first string from the multi-string is returned. - * The string must be released with HeapFree(GetProcessHeap(), 0, Value) after use. + * @param Value Pointer to string to retrieve registry value. If the value type is REG_EXPAND_SZ the value is + * expanded using ExpandEnvironmentStrings(). If the value type is REG_MULTI_SZ, only the first + * string from the multi-string is returned. The string must be released with + * HeapFree(GetProcessHeap(), 0, Value) after use. * - * @return ERROR_SUCCESS on success; Win32 error code otherwise + * @return ERROR_SUCCESS on success; ERROR_INVALID_DATATYPE when the registry value is not a string; Win32 error code + * otherwise. */ WINTUN_STATUS RegistryQueryString(_In_ HKEY Key, _In_opt_z_ const WCHAR *Name, _Out_ WCHAR **Value) @@ -302,19 +301,19 @@ RegistryQueryString(_In_ HKEY Key, _In_opt_z_ const WCHAR *Name, _Out_ WCHAR **V /** * Reads string value from registry key. It waits for the registry value to become available. * - * @param Key Handle of the registry key to read from. Must be opened with read and notify - * access. + * @param Key Handle of the registry key to read from. Must be opened with read and notify access. * - * @param Name Name of the value to read + * @param Name Name of the value to read. * - * @param Timeout Timeout to wait for the value in milliseconds + * @param Timeout Timeout to wait for the value in milliseconds. * - * @param Value Pointer to string to retrieve registry value. If the value type is - * REG_EXPAND_SZ the value is expanded using ExpandEnvironmentStrings(). - * The string must be released with HeapFree(GetProcessHeap(), 0, Value) - * after use. + * @param Value Pointer to string to retrieve registry value. If the value type is REG_EXPAND_SZ the value is + * expanded using ExpandEnvironmentStrings(). If the value type is REG_MULTI_SZ, only the first + * string from the multi-string is returned. The string must be released with + * HeapFree(GetProcessHeap(), 0, Value) after use. * - * @return ERROR_SUCCESS on success; Win32 error code otherwise + * @return ERROR_SUCCESS on success; WAIT_TIMEOUT on timeout; ERROR_INVALID_DATATYPE when the registry value is a + * string; Win32 error code otherwise. */ WINTUN_STATUS RegistryQueryStringWait(_In_ HKEY Key, _In_opt_z_ const WCHAR *Name, _In_ DWORD Timeout, _Out_ WCHAR **Value) @@ -345,14 +344,14 @@ RegistryQueryStringWait(_In_ HKEY Key, _In_opt_z_ const WCHAR *Name, _In_ DWORD /** * Reads a 32-bit DWORD value from registry key. * - * @param Key Handle of the registry key to read from. Must be opened with read - * access. + * @param Key Handle of the registry key to read from. Must be opened with read access. * - * @param Name Name of the value to read + * @param Name Name of the value to read. * - * @param Value Pointer to DWORD to retrieve registry value + * @param Value Pointer to DWORD to retrieve registry value. * - * @return ERROR_SUCCESS on success; Win32 error code otherwise + * @return ERROR_SUCCESS on success; ERROR_INVALID_DATATYPE when registry value exist but not REG_DWORD type; + * ERROR_INVALID_DATA when registry value size is not 4 bytes; Win32 error code otherwise. */ WINTUN_STATUS RegistryQueryDWORD(_In_ HKEY Key, _In_opt_z_ const WCHAR *Name, _Out_ DWORD *Value) @@ -371,16 +370,16 @@ RegistryQueryDWORD(_In_ HKEY Key, _In_opt_z_ const WCHAR *Name, _Out_ DWORD *Val /** * Reads a 32-bit DWORD value from registry key. It waits for the registry value to become available. * - * @param Key Handle of the registry key to read from. Must be opened with read - * access. + * @param Key Handle of the registry key to read from. Must be opened with read access. * - * @param Name Name of the value to read + * @param Name Name of the value to read. * - * @param Timeout Timeout to wait for the value in milliseconds + * @param Timeout Timeout to wait for the value in milliseconds. * - * @param Value Pointer to DWORD to retrieve registry value + * @param Value Pointer to DWORD to retrieve registry value. * - * @return ERROR_SUCCESS on success; Win32 error code otherwise + * @return ERROR_SUCCESS on success; WAIT_TIMEOUT on timeout; ERROR_INVALID_DATATYPE when registry value exist but not + * REG_DWORD type; ERROR_INVALID_DATA when registry value size is not 4 bytes; Win32 error code otherwise. */ WINTUN_STATUS RegistryQueryDWORDWait(_In_ HKEY Key, _In_opt_z_ const WCHAR *Name, _In_ DWORD Timeout, _Out_ DWORD *Value) -- cgit v1.2.3-59-g8ed1b