Leaked source code of windows server 2003
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/*++
Copyright (c) 2000 Microsoft Corporation
Module Name:
netshares.c
Abstract:
<abstract>
Author:
Jay Thaler (jthaler) 21 Apr 2000
Revision History:
<alias> <date> <comments>
--*/
//
// Includes
//
#include "pch.h"
#include "logmsg.h"
#include <Winnetwk.h>
#include <Lm.h>
#include <Lmshare.h>
#define DBG_NETSHARES "NetShares"
//
// Strings
//
#define S_NETSHARES_NAME TEXT("NetShares")
//
// Constants
//
/* These flags are relevant for share-level security on VSERVER
* When operating with user-level security, use SHI50F_FULL - the actual
* access rights are determined by the NetAccess APIs.
*/
#define SHI50F_RDONLY 0x0001
#define SHI50F_FULL 0x0002
#define SHI50F_ACCESSMASK (SHI50F_RDONLY|SHI50F_FULL)
/* The share is restored on system startup */
#define SHI50F_PERSIST 0x0100
/* The share is not normally visible */
#define SHI50F_SYSTEM 0x0200
//
// Win9x migration net share flag, used to distinguish user-level security and
// password-level security. When it is specified, user-level
// security is enabled, and NetShares\<share>\ACL\<list> exists.
//
#define SHI50F_ACLS 0x1000
//
// Flags that help determine when custom access is enabled
//
#define READ_ACCESS_FLAGS 0x0081
#define READ_ACCESS_MASK 0x7fff
#define FULL_ACCESS_FLAGS 0x00b7
#define FULL_ACCESS_MASK 0x7fff
#define INDEXLOCAL 0
#define INDEXREMOTE 1
//
// Macros
//
// None
//
// Types
//
typedef struct {
PCTSTR Pattern;
HASHTABLE_ENUM HashData;
} NETSHARE_ENUM, *PNETSHARE_ENUM;
typedef struct {
CHAR sharePath[MAX_PATH + 1];
} NETSHARE_DATAA, *PNETSHARE_DATAA;
typedef struct {
WCHAR sharePath[MAX_PATH + 1];
} NETSHARE_DATAW, *PNETSHARE_DATAW;
#ifdef UNICODE
#define NETSHARE_DATA NETSHARE_DATAW
#define PNETSHARE_DATA PNETSHARE_DATAW
#else
#define NETSHARE_DATA NETSHARE_DATAA
#define PNETSHARE_DATA PNETSHARE_DATAA
#endif
//
// types not defined by public headers
//
typedef NET_API_STATUS (* ScanNetShareEnumNT) (
LMSTR servername,
DWORD level,
PBYTE *bufptr,
DWORD prefmaxlen,
PDWORD entriesread,
PDWORD totalentries,
PDWORD resume_handle
);
typedef NET_API_STATUS (* ScanNetShareEnum9x) (
const char * servername,
short level,
char * bufptr,
unsigned short prefmaxlen,
unsigned short * entriesread,
unsigned short * totalentries
);
typedef NET_API_STATUS (* ScanNetApiBufferFreeNT) ( void *);
typedef NET_API_STATUS (* ScanNetAccessEnum9x) (
const char * pszServer,
char * pszBasePath,
short fsRecursive,
short sLevel,
char * pbBuffer,
unsigned short cbBuffer,
unsigned short * pcEntriesRead,
unsigned short * pcTotalAvail
);
#pragma pack(push)
#pragma pack(1) /* Assume byte packing throughout */
struct _share_info_50 {
char shi50_netname[LM20_NNLEN+1];
unsigned char shi50_type;
unsigned short shi50_flags;
char * shi50_remark;
char * shi50_path;
char shi50_rw_password[SHPWLEN+1];
char shi50_ro_password[SHPWLEN+1];
};
struct access_list_2
{
char * acl2_ugname;
unsigned short acl2_access;
}; /* access_list_2 */
struct access_info_2
{
char * acc2_resource_name;
short acc2_attr;
unsigned short acc2_count;
}; /* access_info_2 */
#pragma pack(pop)
//
// netapi functions
//
typedef NET_API_STATUS(WINAPI NETSHAREADDW)(
IN PWSTR servername,
IN DWORD level,
IN PBYTE buf,
OUT PDWORD parm_err
);
typedef NETSHAREADDW *PNETSHAREADDW;
typedef NET_API_STATUS(WINAPI NETSHAREDELW)(
IN PWSTR servername,
IN PWSTR netname,
IN DWORD reserved
);
typedef NETSHAREDELW *PNETSHAREDELW;
//
// Globals
//
PMHANDLE g_NetSharesPool = NULL;
PMHANDLE g_PathPool = NULL;
HASHTABLE g_NetSharesTable;
MIG_OBJECTTYPEID g_NetShareTypeId = 0;
static BOOL g_IsWin9x = FALSE;
GROWBUFFER g_NetShareConversionBuff = INIT_GROWBUFFER;
BOOL g_NetSharesMigEnabled = FALSE;
//
// Macro expansion list
//
// None
//
// Private function prototypes
//
// None
//
// Macro expansion definition
//
// None
//
// Private prototypes
//
TYPE_ENUMFIRSTPHYSICALOBJECT EnumFirstNetShare;
TYPE_ENUMNEXTPHYSICALOBJECT EnumNextNetShare;
TYPE_ABORTENUMPHYSICALOBJECT AbortEnumNetShare;
TYPE_CONVERTOBJECTTOMULTISZ ConvertNetShareToMultiSz;
TYPE_CONVERTMULTISZTOOBJECT ConvertMultiSzToNetShare;
TYPE_GETNATIVEOBJECTNAME GetNativeNetShareName;
TYPE_ACQUIREPHYSICALOBJECT AcquireNetShare;
TYPE_RELEASEPHYSICALOBJECT ReleaseNetShare;
TYPE_DOESPHYSICALOBJECTEXIST DoesNetShareExist;
TYPE_REMOVEPHYSICALOBJECT RemoveNetShare;
TYPE_CREATEPHYSICALOBJECT CreateNetShare;
TYPE_CONVERTOBJECTCONTENTTOUNICODE ConvertNetShareContentToUnicode;
TYPE_CONVERTOBJECTCONTENTTOANSI ConvertNetShareContentToAnsi;
TYPE_FREECONVERTEDOBJECTCONTENT FreeConvertedNetShareContent;
//
// netapi functions
//
PNETSHAREADDW g_NetShareAddW = NULL;
PNETSHAREDELW g_NetShareDelW = NULL;
//
// Code
//
BOOL
NetSharesInitialize (
VOID
)
{
OSVERSIONINFO versionInfo;
ZeroMemory (&versionInfo, sizeof (OSVERSIONINFO));
versionInfo.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
if (!GetVersionEx (&versionInfo)) {
return FALSE;
}
g_IsWin9x = (versionInfo.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS);
g_PathPool = PmCreateNamedPool ("NetShares Paths");
g_NetSharesTable = HtAllocWithData (sizeof (PNETSHARE_DATA));
g_NetSharesPool = PmCreateNamedPool ("NetShares");
return TRUE;
}
VOID
NetSharesTerminate (
VOID
)
{
HASHTABLE_ENUM e;
PNETSHARE_DATA netshareData;
if (g_NetSharesTable) {
if (EnumFirstHashTableString (&e, g_NetSharesTable)) {
do {
netshareData = *((PNETSHARE_DATA *) e.ExtraData);
if (netshareData) {
PmReleaseMemory (g_NetSharesPool, netshareData);
}
} while (EnumNextHashTableString (&e));
}
HtFree (g_NetSharesTable);
g_NetSharesTable = NULL;
}
PmDestroyPool (g_NetSharesPool);
g_NetSharesPool = NULL;
PmDestroyPool (g_PathPool);
g_PathPool = NULL;
}
BOOL
pLoadNetSharesData (
VOID
)
{
DWORD error;
PBYTE netBuffer = NULL;
CHAR netBuf9x[16384]; // static because NetShareEnum is unreliable
DWORD netNumEntries = 0;
DWORD totalEntries = 0;
DWORD i;
DWORD j;
DWORD level;
HINSTANCE hInst;
PCTSTR name = NULL;
PCTSTR path = NULL;
PNETSHARE_DATA netshareData;
//
// Get the net share info from the machine
//
level = (g_IsWin9x ? 50 : 502);
hInst = LoadLibraryA (g_IsWin9x ? "svrapi.dll" : "netapi32.dll");
if (hInst == 0) {
SetLastError (ERROR_INVALID_DLL);
return FALSE;
}
if (g_IsWin9x) {
struct _share_info_50 *tmpBuf;
ScanNetShareEnum9x pNetShareEnum9x = NULL;
ScanNetAccessEnum9x pNetAccessEnum9x = NULL;
pNetShareEnum9x = (ScanNetShareEnum9x) GetProcAddress (hInst, "NetShareEnum");
if (pNetShareEnum9x == NULL) {
SetLastError (ERROR_INVALID_DLL);
return FALSE;
}
pNetAccessEnum9x = (ScanNetAccessEnum9x) GetProcAddress (hInst, "NetAccessEnum");
if (pNetAccessEnum9x == NULL) {
SetLastError (ERROR_INVALID_DLL);
return FALSE;
}
error = (*pNetShareEnum9x)(NULL,
(short)level,
netBuf9x,
sizeof (netBuf9x),
(USHORT *)&netNumEntries,
(USHORT *)&totalEntries);
if ((error == ERROR_SUCCESS) || (error == ERROR_MORE_DATA)) {
for (i = 0; i < netNumEntries; i++) {
DWORD dwPerms = 0;
tmpBuf = (struct _share_info_50 *)(netBuf9x + (i * sizeof(struct _share_info_50)));
// Require share to be a user-defined, persistent disk share
if ((tmpBuf->shi50_flags & SHI50F_SYSTEM) ||
!(tmpBuf->shi50_flags & SHI50F_PERSIST) ||
tmpBuf->shi50_type != STYPE_DISKTREE ) {
continue;
}
if (tmpBuf->shi50_flags & SHI50F_RDONLY) {
dwPerms = ACCESS_READ;
} else if (tmpBuf->shi50_flags & SHI50F_FULL) {
dwPerms = ACCESS_ALL;
}
// JTJTJT: Also store dwPerms
//
// Process custom access permissions
//
if ((tmpBuf->shi50_flags & SHI50F_ACCESSMASK) ==
SHI50F_ACCESSMASK) {
static CHAR AccessInfoBuf[16384];
WORD wItemsAvail, wItemsRead;
error = (*pNetAccessEnum9x) (NULL,
tmpBuf->shi50_path,
0,
2,
AccessInfoBuf,
sizeof (AccessInfoBuf),
&wItemsRead,
&wItemsAvail
);
if (error != NERR_ACFNotLoaded) {
BOOL LostCustomAccess = FALSE;
if (error == ERROR_SUCCESS) {
struct access_info_2 *pai;
struct access_list_2 *pal;
pai = (struct access_info_2 *) AccessInfoBuf;
pal = (struct access_list_2 *) (&pai[1]);
for (j = 0 ; j < pai->acc2_count ; j++) {
#if 0
// turn off custom access support
// implementation is incomplete
if (pal->acl2_access & READ_ACCESS_FLAGS) {
Win32Printf (h, " %s, read\r\n",
pal->acl2_ugname);
} else if(pal->acl2_access & FULL_ACCESS_FLAGS) {
Win32Printf (h, " %s, full\r\n",
pal->acl2_ugname);
} else
#endif
LostCustomAccess = TRUE;
pal++;
}
if (LostCustomAccess) {
DEBUGMSG ((DBG_NETSHARES, "Share %s not migrated.", tmpBuf->shi50_netname));
continue;
}
tmpBuf->shi50_flags |= SHI50F_ACLS;
} else if (error != ERROR_SUCCESS) {
return FALSE;
}
}
}
if (!(tmpBuf->shi50_flags & SHI50F_ACLS) &&
(tmpBuf->shi50_rw_password[0] ||
tmpBuf->shi50_ro_password[0])) {
// IDS_SHARE_PASSWORD_NOT_MIGRATED, tmpBuf->shi50_netname
DEBUGMSG ((DBG_NETSHARES, "Share %s not migrated.", tmpBuf->shi50_netname));
continue;
}
// everything looks OK, let's add this entry
name = ConvertAtoT (tmpBuf->shi50_netname);
path = ConvertAtoT (tmpBuf->shi50_path);
netshareData = (PNETSHARE_DATA) PmGetMemory (g_NetSharesPool, sizeof (NETSHARE_DATA));
ZeroMemory (netshareData, sizeof (NETSHARE_DATA));
StringCopyTcharCount (netshareData->sharePath, path, MAX_PATH + 1);
HtAddStringEx (g_NetSharesTable, name, &netshareData, FALSE);
FreeAtoT (name);
INVALID_POINTER (name);
FreeAtoT (path);
INVALID_POINTER (path);
}
} else if (error == NERR_ServerNotStarted) {
error = ERROR_SUCCESS;
}
} else {
ScanNetShareEnumNT pNetShareEnum = NULL;
SHARE_INFO_502* tmpBuf = NULL;
pNetShareEnum = (ScanNetShareEnumNT) GetProcAddress(hInst, "NetShareEnum");
if (pNetShareEnum == NULL) {
SetLastError (ERROR_INVALID_DLL);
return FALSE;
}
//
// Call the NetShareEnum function to list the
// shares, specifying information level 502.
//
error = (*pNetShareEnum)(NULL,
level,
(BYTE **) &netBuffer,
MAX_PREFERRED_LENGTH,
&netNumEntries,
&totalEntries,
NULL);
//
// Loop through the entries; process errors.
//
if (error == ERROR_SUCCESS) {
if ((tmpBuf = (SHARE_INFO_502 *)netBuffer) != NULL) {
for (i = 0; (i < netNumEntries); i++) {
if (!(tmpBuf->shi502_type & STYPE_SPECIAL)) {
name = ConvertWtoT (tmpBuf->shi502_netname);
path = ConvertWtoT (tmpBuf->shi502_path);
netshareData = (PNETSHARE_DATA) PmGetMemory (g_NetSharesPool, sizeof (NETSHARE_DATA));
ZeroMemory (netshareData, sizeof (NETSHARE_DATA));
StringCopyTcharCount (netshareData->sharePath, path, MAX_PATH + 1);
HtAddStringEx (g_NetSharesTable, name, &netshareData, FALSE);
// JTJTJT: also store tmpBuf->shi502_permissions, tmpBuf->shi502_remark));
FreeWtoT (name);
INVALID_POINTER (name);
FreeWtoT (path);
INVALID_POINTER (path);
}
tmpBuf++;
}
}
} else {
//SetLastError (IDS_CANNOT_ENUM_NETSHARES);
return FALSE;
}
if (netBuffer != NULL) {
ScanNetApiBufferFreeNT pNetApiBufferFree = NULL;
pNetApiBufferFree = (ScanNetApiBufferFreeNT) GetProcAddress (hInst, "NetApiBufferFree");
if (pNetApiBufferFree != NULL)
(*pNetApiBufferFree) (netBuffer);
}
}
return TRUE;
}
BOOL
pLoadNetEntries (
VOID
)
{
HMODULE netDll = NULL;
BOOL result = FALSE;
//
// Get the net api entry points. Sometimes networking isn't installed.
//
__try {
netDll = LoadLibrary (TEXT("NETAPI32.DLL"));
}
__except (EXCEPTION_EXECUTE_HANDLER) {
netDll = NULL;
}
if (netDll) {
g_NetShareAddW = (PNETSHAREADDW) GetProcAddress (netDll, "NetShareAdd");
g_NetShareDelW = (PNETSHAREDELW) GetProcAddress (netDll, "NetShareDel");
if (g_NetShareAddW && g_NetShareDelW) {
result = TRUE;
} else {
result = FALSE;
DEBUGMSG ((DBG_NETSHARES, "Not all NETAPI32 entry points were found."));
}
} else {
DEBUGMSG ((DBG_NETSHARES, "NETAPI32 is not installed on this computer."));
}
return result;
}
BOOL
WINAPI
NetSharesEtmInitialize (
IN MIG_PLATFORMTYPEID Platform,
IN PMIG_LOGCALLBACK LogCallback,
IN PVOID Reserved
)
{
TYPE_REGISTER netSharesTypeData;
//
// We need to register our type callback functions. Types allow us to
// abstract net shares into generalized objects. The engine can perform
// global operations with this abstraction (such as undo or compare), and
// modules can access net shares without knowing the complexities of
// OS-specific APIs, bugs & workarounds, storage formats, etc. Script
// modules can implement script capabilities that control net shares
// without actually inventing special net share syntaxes (or even knowing
// about net shares).
//
LogReInit (NULL, NULL, NULL, (PLOGCALLBACK) LogCallback);
pLoadNetSharesData ();
ZeroMemory (&netSharesTypeData, sizeof (TYPE_REGISTER));
netSharesTypeData.Priority = PRIORITY_NETSHARE;
if (Platform == PLATFORM_SOURCE) {
netSharesTypeData.EnumFirstPhysicalObject = EnumFirstNetShare;
netSharesTypeData.EnumNextPhysicalObject = EnumNextNetShare;
netSharesTypeData.AbortEnumPhysicalObject = AbortEnumNetShare;
netSharesTypeData.ConvertObjectToMultiSz = ConvertNetShareToMultiSz;
netSharesTypeData.ConvertMultiSzToObject = ConvertMultiSzToNetShare;
netSharesTypeData.GetNativeObjectName = GetNativeNetShareName;
netSharesTypeData.AcquirePhysicalObject = AcquireNetShare;
netSharesTypeData.ReleasePhysicalObject = ReleaseNetShare;
netSharesTypeData.ConvertObjectContentToUnicode = ConvertNetShareContentToUnicode;
netSharesTypeData.ConvertObjectContentToAnsi = ConvertNetShareContentToAnsi;
netSharesTypeData.FreeConvertedObjectContent = FreeConvertedNetShareContent;
g_NetShareTypeId = IsmRegisterObjectType (
S_NETSHARES_NAME,
TRUE,
FALSE,
&netSharesTypeData
);
} else {
netSharesTypeData.EnumFirstPhysicalObject = EnumFirstNetShare;
netSharesTypeData.EnumNextPhysicalObject = EnumNextNetShare;
netSharesTypeData.AbortEnumPhysicalObject = AbortEnumNetShare;
netSharesTypeData.ConvertObjectToMultiSz = ConvertNetShareToMultiSz;
netSharesTypeData.ConvertMultiSzToObject = ConvertMultiSzToNetShare;
netSharesTypeData.GetNativeObjectName = GetNativeNetShareName;
netSharesTypeData.AcquirePhysicalObject = AcquireNetShare;
netSharesTypeData.ReleasePhysicalObject = ReleaseNetShare;
netSharesTypeData.DoesPhysicalObjectExist = DoesNetShareExist;
netSharesTypeData.RemovePhysicalObject = RemoveNetShare;
netSharesTypeData.CreatePhysicalObject = CreateNetShare;
netSharesTypeData.ConvertObjectContentToUnicode = ConvertNetShareContentToUnicode;
netSharesTypeData.ConvertObjectContentToAnsi = ConvertNetShareContentToAnsi;
netSharesTypeData.FreeConvertedObjectContent = FreeConvertedNetShareContent;
g_NetShareTypeId = IsmRegisterObjectType (
S_NETSHARES_NAME,
TRUE,
FALSE,
&netSharesTypeData
);
pLoadNetEntries ();
}
MYASSERT (g_NetShareTypeId);
return TRUE;
}
UINT
NetSharesCallback (
IN PCMIG_OBJECTENUMDATA Data,
IN ULONG_PTR CallerArg
)
{
//
// This callback gets called for each net share. We simply mark the
// share to be applied.
//
IsmMakeApplyObject (Data->ObjectTypeId, Data->ObjectName);
return CALLBACK_ENUM_CONTINUE;
}
BOOL
WINAPI
NetSharesSgmInitialize (
IN PMIG_LOGCALLBACK LogCallback,
IN PVOID Reserved
)
{
//
// Set the log callback (so all log messages to to the app)
//
LogReInit (NULL, NULL, NULL, (PLOGCALLBACK) LogCallback);
return TRUE;
}
BOOL
WINAPI
NetSharesSgmParse (
IN PVOID Reserved
)
{
PCTSTR friendlyName;
friendlyName = GetStringResource (MSG_NET_SHARE_NAME);
IsmAddComponentAlias (
S_NETSHARES_NAME,
MASTERGROUP_SYSTEM,
friendlyName,
COMPONENT_NAME,
FALSE
);
FreeStringResource (friendlyName);
return TRUE;
}
BOOL
WINAPI
NetSharesSgmQueueEnumeration (
IN PVOID Reserved
)
{
ENCODEDSTRHANDLE pattern;
if (!IsmIsComponentSelected (S_NETSHARES_NAME, 0)) {
g_NetSharesMigEnabled = FALSE;
return TRUE;
}
g_NetSharesMigEnabled = TRUE;
//
// Queue all net shares to be applied. This could be enhanced to allow a
// script to drive what should be restored.
//
pattern = IsmCreateSimpleObjectPattern (NULL, TRUE, NULL, FALSE);
IsmQueueEnumeration (g_NetShareTypeId, pattern, NetSharesCallback, (ULONG_PTR) 0, S_NETSHARES_NAME);
IsmDestroyObjectHandle (pattern);
return TRUE;
}
BOOL
NetSharesVcmInitialize (
IN PMIG_LOGCALLBACK LogCallback,
IN PVOID Reserved
)
{
//
// Set the log callback (so all log messages to to the app)
//
LogReInit (NULL, NULL, NULL, (PLOGCALLBACK) LogCallback);
return TRUE;
}
BOOL
WINAPI
NetSharesVcmParse (
IN PVOID Reserved
)
{
return NetSharesSgmParse (Reserved);
}
BOOL
WINAPI
NetSharesVcmQueueEnumeration (
IN PVOID Reserved
)
{
ENCODEDSTRHANDLE pattern;
if (!IsmIsComponentSelected (S_NETSHARES_NAME, 0)) {
g_NetSharesMigEnabled = FALSE;
return TRUE;
}
g_NetSharesMigEnabled = TRUE;
//
// Queue all net share objects to be marked as persistent
//
pattern = IsmCreateSimpleObjectPattern (NULL, TRUE, NULL, FALSE);
IsmQueueEnumeration (g_NetShareTypeId, pattern, NetSharesCallback, (ULONG_PTR) 0, S_NETSHARES_NAME);
IsmDestroyObjectHandle (pattern);
return TRUE;
}
BOOL
pEnumNetShareWorker (
OUT PMIG_TYPEOBJECTENUM EnumPtr,
IN PNETSHARE_ENUM NetShareEnum
)
{
//
// Test enumerated item against the pattern, and return only
// when the pattern matches. Also, fill the entire enum
// structure upon successful enumeration.
//
IsmDestroyObjectString (EnumPtr->ObjectNode);
EnumPtr->ObjectNode = NULL;
IsmDestroyObjectString (EnumPtr->ObjectLeaf);
EnumPtr->ObjectLeaf = NULL;
for (;;) {
EnumPtr->ObjectName = IsmCreateObjectHandle (NetShareEnum->HashData.String, NULL);
if (!ObsPatternMatch (NetShareEnum->Pattern, EnumPtr->ObjectName)) {
if (!EnumNextHashTableString (&NetShareEnum->HashData)) {
AbortEnumNetShare (EnumPtr);
return FALSE;
}
continue;
}
EnumPtr->NativeObjectName = NetShareEnum->HashData.String;
IsmCreateObjectStringsFromHandle (EnumPtr->ObjectName, &EnumPtr->ObjectNode, &EnumPtr->ObjectLeaf);
EnumPtr->Level = 1;
EnumPtr->SubLevel = 0;
EnumPtr->IsLeaf = FALSE;
EnumPtr->IsNode = TRUE;
EnumPtr->Details.DetailsSize = 0;
EnumPtr->Details.DetailsData = NULL;
break;
}
return TRUE;
}
BOOL
EnumFirstNetShare (
IN OUT PMIG_TYPEOBJECTENUM EnumPtr, CALLER_INITIALIZED
IN MIG_OBJECTSTRINGHANDLE Pattern,
IN UINT MaxLevel
)
{
PNETSHARE_ENUM netShareEnum = NULL;
if (!g_NetSharesTable) {
return FALSE;
}
netShareEnum = (PNETSHARE_ENUM) PmGetMemory (g_NetSharesPool, sizeof (NETSHARE_ENUM));
netShareEnum->Pattern = PmDuplicateString (g_NetSharesPool, Pattern);
EnumPtr->EtmHandle = (LONG_PTR) netShareEnum;
if (EnumFirstHashTableString (&netShareEnum->HashData, g_NetSharesTable)) {
return pEnumNetShareWorker (EnumPtr, netShareEnum);
}
AbortEnumNetShare (EnumPtr);
return FALSE;
}
BOOL
EnumNextNetShare (
IN OUT PMIG_TYPEOBJECTENUM EnumPtr
)
{
PNETSHARE_ENUM netShareEnum = NULL;
netShareEnum = (PNETSHARE_ENUM)(EnumPtr->EtmHandle);
if (!netShareEnum) {
return FALSE;
}
if (EnumPtr->ObjectName) {
IsmDestroyObjectHandle (EnumPtr->ObjectName);
EnumPtr->ObjectName = NULL;
}
if (EnumNextHashTableString (&netShareEnum->HashData)) {
return pEnumNetShareWorker (EnumPtr, netShareEnum);
}
AbortEnumNetShare (EnumPtr);
return FALSE;
}
VOID
AbortEnumNetShare (
IN OUT PMIG_TYPEOBJECTENUM EnumPtr
)
{
PNETSHARE_ENUM netShareEnum = NULL;
MYASSERT (EnumPtr);
netShareEnum = (PNETSHARE_ENUM)(EnumPtr->EtmHandle);
if (!netShareEnum) {
return;
}
IsmDestroyObjectHandle (EnumPtr->ObjectName);
IsmDestroyObjectString (EnumPtr->ObjectNode);
IsmDestroyObjectString (EnumPtr->ObjectLeaf);
PmReleaseMemory (g_NetSharesPool, netShareEnum->Pattern);
PmReleaseMemory (g_NetSharesPool, netShareEnum);
ZeroMemory (EnumPtr, sizeof (MIG_TYPEOBJECTENUM));
}
BOOL
AcquireNetShare (
IN MIG_OBJECTSTRINGHANDLE ObjectName,
IN OUT PMIG_CONTENT ObjectContent,
IN MIG_CONTENTTYPE ContentType,
IN UINT MemoryContentLimit
)
{
PCTSTR node;
PCTSTR leaf;
PNETSHARE_DATA netshareData;
BOOL result = FALSE;
if (!ObjectContent) {
return FALSE;
}
//
// NOTE: Do not zero ObjectContent; some of its members were already set
//
if (ContentType == CONTENTTYPE_FILE) {
// nobody should request this as a file
DEBUGMSG ((
DBG_WHOOPS,
"Unexpected acquire request for %s: Can't acquire net shares as files",
ObjectName
));
return FALSE;
}
if (IsmCreateObjectStringsFromHandle (ObjectName, &node, &leaf)) {
if (HtFindStringEx (g_NetSharesTable, node, (PVOID)&netshareData, FALSE)) {
//
// Fill in all the content members. We already zeroed the struct,
// so most of the members are taken care of because they are zero.
//
ObjectContent->MemoryContent.ContentBytes = (PBYTE)netshareData;
ObjectContent->MemoryContent.ContentSize = sizeof(NETSHARE_DATA);
result = TRUE;
}
IsmDestroyObjectString (node);
INVALID_POINTER (node);
IsmDestroyObjectString (leaf);
INVALID_POINTER (leaf);
}
return result;
}
BOOL
ReleaseNetShare (
IN OUT PMIG_CONTENT ObjectContent
)
{
//
// Clean up routine for the AcquireNetShare function
//
if (ObjectContent) {
ZeroMemory (ObjectContent, sizeof (MIG_CONTENT));
}
return TRUE;
}
BOOL
DoesNetShareExist (
IN MIG_OBJECTSTRINGHANDLE ObjectName
)
{
PCTSTR node;
PCTSTR leaf;
BOOL result = FALSE;
//
// Given an object name (the net share), we must test to see if the
// share exists on the machine. A table was built at initialization
// time to provide fast access to net shares.
//
if (IsmCreateObjectStringsFromHandle (ObjectName, &node, &leaf)) {
if (HtFindStringEx (g_NetSharesTable, node, NULL, FALSE)) {
result = TRUE;
}
IsmDestroyObjectString (node);
INVALID_POINTER (node);
IsmDestroyObjectString (leaf);
INVALID_POINTER (leaf);
}
return result;
}
BOOL
RemoveNetShare (
IN MIG_OBJECTSTRINGHANDLE ObjectName
)
{
PCTSTR node;
PCTSTR leaf;
DWORD result = ERROR_NOT_FOUND;
PCWSTR name;
//
// Given an object name (the net share), we must delete the share.
//
if (IsmCreateObjectStringsFromHandle (ObjectName, &node, &leaf)) {
if (node && (!leaf)) {
if (g_IsWin9x) {
// JTJT: add here
} else {
name = CreateUnicode (node);
if (g_NetShareDelW) {
// record value name deletion
IsmRecordOperation (JRNOP_DELETE,
g_NetShareTypeId,
ObjectName);
result = g_NetShareDelW (NULL, (PWSTR) name, 0);
} else {
result = ERROR_CALL_NOT_IMPLEMENTED;
}
DestroyUnicode (name);
}
if (result != NERR_Success) {
DEBUGMSG ((DBG_NETSHARES, "Failed to delete existent net share %s", name));
} else {
HtRemoveString (g_NetSharesTable, node);
}
}
IsmDestroyObjectString (node);
INVALID_POINTER (node);
IsmDestroyObjectString (leaf);
INVALID_POINTER (leaf);
}
return (result == NERR_Success);
}
BOOL
CreateNetShare (
IN MIG_OBJECTSTRINGHANDLE ObjectName,
IN PMIG_CONTENT ObjectContent
)
{
PCTSTR node;
PCTSTR leaf;
DWORD result = NERR_Success;
DWORD level;
SHARE_INFO_502 shareInfo;
PNETSHARE_DATA netshareData = NULL;
//
// The name of the net share is in the object name's node. The net share
// content provides the path of the share. Details provide the net share
// ACLs.
//
// Our job is to take the object name, content and details, and create a
// share. We ignore the case where the content is in a file. This should
// not apply to net shares.
//
if (!ObjectContent->ContentInFile) {
if (ObjectContent->MemoryContent.ContentBytes && ObjectContent->MemoryContent.ContentSize) {
if (IsmCreateObjectStringsFromHandle (ObjectName, &node, &leaf)) {
if (node && (!leaf)) {
level = (g_IsWin9x ? 50 : 502);
netshareData = (PNETSHARE_DATA) PmGetMemory (g_NetSharesPool, sizeof (NETSHARE_DATA));
CopyMemory (netshareData,
ObjectContent->MemoryContent.ContentBytes,
sizeof(NETSHARE_DATA));
if (DoesFileExist (netshareData->sharePath)) {
if (g_IsWin9x) {
// JTJT: add here
} else {
shareInfo.shi502_netname = (PWSTR) CreateUnicode (node);
shareInfo.shi502_path = (PWSTR) CreateUnicode (netshareData->sharePath);
shareInfo.shi502_type = STYPE_DISKTREE; // JTJTJT: retrieve type
shareInfo.shi502_remark = NULL; // JTJTJT: retrieve remark
shareInfo.shi502_permissions = ACCESS_ALL; // JTJTJT: retrieve perms
shareInfo.shi502_max_uses = -1; // JTJTJT: retrieve max uses
shareInfo.shi502_current_uses = 0;
shareInfo.shi502_passwd = NULL; // JTJTJT: retrieve password
shareInfo.shi502_reserved = 0;
shareInfo.shi502_security_descriptor = NULL; // JTJTJT: retrieve ACLs
if (g_NetShareAddW) {
IsmRecordOperation (JRNOP_CREATE,
g_NetShareTypeId,
ObjectName);
result = g_NetShareAddW (NULL, level, (PBYTE)&shareInfo, NULL);
} else {
result = ERROR_CALL_NOT_IMPLEMENTED;
}
DestroyUnicode (shareInfo.shi502_netname);
DestroyUnicode (shareInfo.shi502_path);
}
if (result != NERR_Success) {
DEBUGMSG ((DBG_NETSHARES, "Failed to add net share for %s", node));
} else {
HtAddStringEx (g_NetSharesTable, node, &netshareData, FALSE);
}
}
PmReleaseMemory (g_NetSharesPool, netshareData);
}
IsmDestroyObjectString (node);
INVALID_POINTER (node);
IsmDestroyObjectString (leaf);
INVALID_POINTER (leaf);
}
}
} else {
DEBUGMSG ((DBG_WHOOPS, "Did not expect content to come in the form of a file."));
}
return (result == NERR_Success);
}
PCTSTR
ConvertNetShareToMultiSz (
IN MIG_OBJECTSTRINGHANDLE ObjectName,
IN PMIG_CONTENT ObjectContent
)
{
PCTSTR node = NULL, leaf = NULL;
PTSTR result;
PNETSHARE_DATA netshareData;
if (IsmCreateObjectStringsFromHandle (ObjectName, &node, &leaf)) {
//
// Copy field 1 (share name) and field 2 (share path) to a temp
// multi-sz buffer
//
MYASSERT (!ObjectContent->ContentInFile);
MYASSERT (ObjectContent->MemoryContent.ContentBytes);
g_NetShareConversionBuff.End = 0;
GbCopyQuotedString (&g_NetShareConversionBuff, node);
if (ObjectContent->MemoryContent.ContentBytes) {
netshareData = (PNETSHARE_DATA) PmGetMemory (g_NetSharesPool, sizeof (NETSHARE_DATA));
CopyMemory (&netshareData->sharePath, ObjectContent->MemoryContent.ContentBytes, sizeof(NETSHARE_DATA));
GbCopyQuotedString (&g_NetShareConversionBuff, netshareData->sharePath);
PmReleaseMemory (g_NetSharesPool, netshareData);
netshareData = NULL;
}
IsmDestroyObjectString (node);
INVALID_POINTER (node);
IsmDestroyObjectString (leaf);
INVALID_POINTER (leaf);
}
//
// Terminate the multi-sz
//
GbCopyString (&g_NetShareConversionBuff, TEXT(""));
//
// Transfer temp buffer to an ISM-allocated buffer and forget about it
//
result = IsmGetMemory (g_NetShareConversionBuff.End);
CopyMemory (result, g_NetShareConversionBuff.Buf, g_NetShareConversionBuff.End);
return result;
}
BOOL
ConvertMultiSzToNetShare (
IN PCTSTR ObjectMultiSz,
OUT MIG_OBJECTSTRINGHANDLE *ObjectName,
OUT PMIG_CONTENT ObjectContent OPTIONAL
)
{
MULTISZ_ENUM e;
PCTSTR localName = NULL;
UINT index;
NETSHARE_DATA netshareData;
BOOL pathFound = FALSE;
//
// Parse the multi-sz into the net share content and details.
// The user may have edited the text (and potentially introduced
// errors).
//
ZeroMemory (&netshareData, sizeof (NETSHARE_DATA));
if (ObjectContent) {
ZeroMemory (ObjectContent, sizeof (MIG_CONTENT));
}
if (EnumFirstMultiSz (&e, ObjectMultiSz)) {
index = 0;
do {
switch (index) {
case INDEXLOCAL:
localName = e.CurrentString;
break;
case INDEXREMOTE:
pathFound = TRUE;
StringCopyTcharCount (netshareData.sharePath, e.CurrentString, MAX_PATH + 1);
break;
default:
// Ignore extra data
DEBUGMSG ((DBG_WARNING, "Extra net share string ignored: %s", e.CurrentString));
break;
}
index++;
} while (EnumNextMultiSz (&e));
}
if (!localName || !pathFound) {
//
// Bogus data, fail
//
return FALSE;
}
//
// Fill in all the members of the content structure. Keep in mind
// we already zeroed the buffer.
//
*ObjectName = IsmCreateObjectHandle (localName, NULL);
if (ObjectContent) {
ObjectContent->MemoryContent.ContentBytes = IsmGetMemory (sizeof (NETSHARE_DATA));
CopyMemory ((PBYTE) ObjectContent->MemoryContent.ContentBytes, &netshareData, sizeof (NETSHARE_DATA));
ObjectContent->MemoryContent.ContentSize = sizeof (NETSHARE_DATA);
}
return TRUE;
}
PCTSTR
GetNativeNetShareName (
IN MIG_OBJECTSTRINGHANDLE ObjectName
)
{
PCTSTR node, leaf;
UINT size;
PTSTR result = NULL;
//
// The "native" format is what most people would use to describe our
// object. For the net share case, we simply get the share name from the
// node; the node is not encoded in any way, and the leaf is not used.
//
if (IsmCreateObjectStringsFromHandle (ObjectName, &node, &leaf)) {
if (node) {
size = SizeOfString (node);
if (size) {
result = IsmGetMemory (size);
CopyMemory (result, node, size);
}
}
IsmDestroyObjectString (node);
INVALID_POINTER (node);
IsmDestroyObjectString (leaf);
INVALID_POINTER (leaf);
}
return result;
}
PMIG_CONTENT
ConvertNetShareContentToUnicode (
IN MIG_OBJECTSTRINGHANDLE ObjectName,
IN PMIG_CONTENT ObjectContent
)
{
PMIG_CONTENT result = NULL;
if (!ObjectContent) {
return result;
}
if (ObjectContent->ContentInFile) {
return result;
}
result = IsmGetMemory (sizeof (MIG_CONTENT));
if (result) {
CopyMemory (result, ObjectContent, sizeof (MIG_CONTENT));
if ((ObjectContent->MemoryContent.ContentSize != 0) &&
(ObjectContent->MemoryContent.ContentBytes != NULL)
) {
// convert Mapped Drive content
result->MemoryContent.ContentBytes = IsmGetMemory (sizeof (NETSHARE_DATAW));
if (result->MemoryContent.ContentBytes) {
DirectDbcsToUnicodeN (
((PNETSHARE_DATAW)result->MemoryContent.ContentBytes)->sharePath,
((PNETSHARE_DATAA)ObjectContent->MemoryContent.ContentBytes)->sharePath,
MAX_PATH + 1
);
result->MemoryContent.ContentSize = sizeof (NETSHARE_DATAW);
}
}
}
return result;
}
PMIG_CONTENT
ConvertNetShareContentToAnsi (
IN MIG_OBJECTSTRINGHANDLE ObjectName,
IN PMIG_CONTENT ObjectContent
)
{
PMIG_CONTENT result = NULL;
if (!ObjectContent) {
return result;
}
if (ObjectContent->ContentInFile) {
return result;
}
result = IsmGetMemory (sizeof (MIG_CONTENT));
if (result) {
CopyMemory (result, ObjectContent, sizeof (MIG_CONTENT));
if ((ObjectContent->MemoryContent.ContentSize != 0) &&
(ObjectContent->MemoryContent.ContentBytes != NULL)
) {
// convert Mapped Drive content
result->MemoryContent.ContentBytes = IsmGetMemory (sizeof (NETSHARE_DATAA));
if (result->MemoryContent.ContentBytes) {
DirectUnicodeToDbcsN (
((PNETSHARE_DATAA)result->MemoryContent.ContentBytes)->sharePath,
((PNETSHARE_DATAW)ObjectContent->MemoryContent.ContentBytes)->sharePath,
MAX_PATH + 1
);
result->MemoryContent.ContentSize = sizeof (NETSHARE_DATAA);
}
}
}
return result;
}
BOOL
FreeConvertedNetShareContent (
IN PMIG_CONTENT ObjectContent
)
{
if (!ObjectContent) {
return TRUE;
}
if (ObjectContent->MemoryContent.ContentBytes) {
IsmReleaseMemory (ObjectContent->MemoryContent.ContentBytes);
}
IsmReleaseMemory (ObjectContent);
return TRUE;
}