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msi: Download the MSI package if it is a remote URL.

This commit is contained in:
James Hawkins 2006-07-26 14:54:15 -07:00 committed by Alexandre Julliard
parent 3882b4f66a
commit d1617bea17
2 changed files with 41 additions and 2 deletions
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2
dlls/msi/Makefile.in
View File

@ -4,7 +4,7 @@ SRCDIR = @srcdir@
VPATH = @srcdir@
MODULE = msi.dll
IMPORTLIB = libmsi.$(IMPLIBEXT)
IMPORTS = comctl32 shell32 shlwapi cabinet oleaut32 ole32 version user32 gdi32 advapi32 kernel32
IMPORTS = urlmon wininet comctl32 shell32 shlwapi cabinet oleaut32 ole32 version user32 gdi32 advapi32 kernel32
EXTRALIBS = -luuid
C_SRCS = \

41
dlls/msi/package.c
View File

@ -35,6 +35,8 @@
#include "objidl.h"
#include "wincrypt.h"
#include "winuser.h"
#include "wininet.h"
#include "urlmon.h"
#include "shlobj.h"
#include "wine/unicode.h"
#include "objbase.h"
@ -452,6 +454,38 @@ static LPCWSTR copy_package_to_temp( LPCWSTR szPackage, LPWSTR filename )
return filename;
}
static LPCWSTR msi_download_package( LPCWSTR szUrl, LPWSTR filename )
{
LPINTERNET_CACHE_ENTRY_INFOW cache_entry;
DWORD size = 0;
HRESULT hr;
/* call will always fail, becase size is 0,
* but will return ERROR_FILE_NOT_FOUND first
* if the file doesn't exist
*/
GetUrlCacheEntryInfoW( szUrl, NULL, &size );
if ( GetLastError() != ERROR_FILE_NOT_FOUND )
{
cache_entry = HeapAlloc( GetProcessHeap(), 0, size );
if ( !GetUrlCacheEntryInfoW( szUrl, cache_entry, &size ) )
{
HeapFree( GetProcessHeap(), 0, cache_entry );
return szUrl;
}
lstrcpyW( filename, cache_entry->lpszLocalFileName );
HeapFree( GetProcessHeap(), 0, cache_entry );
return filename;
}
hr = URLDownloadToCacheFileW( NULL, szUrl, filename, MAX_PATH, 0, NULL );
if ( FAILED(hr) )
return szUrl;
return filename;
}
UINT MSI_OpenPackageW(LPCWSTR szPackage, MSIPACKAGE **pPackage)
{
MSIDATABASE *db = NULL;
@ -471,7 +505,12 @@ UINT MSI_OpenPackageW(LPCWSTR szPackage, MSIPACKAGE **pPackage)
else
{
WCHAR temppath[MAX_PATH];
LPCWSTR file = copy_package_to_temp( szPackage, temppath );
LPCWSTR file;
if ( UrlIsW( szPackage, URLIS_URL ) )
file = msi_download_package( szPackage, temppath );
else
file = copy_package_to_temp( szPackage, temppath );
r = MSI_OpenDatabaseW( file, MSIDBOPEN_READONLY, &db );