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msi: Download install cabinet files if the msi package is remote.

This commit is contained in:
James Hawkins 2006-08-09 15:02:49 -07:00 committed by Alexandre Julliard
parent 759850feff
commit 1ff96c63a8
2 changed files with 62 additions and 3 deletions
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61
dlls/msi/files.c
View File

@ -42,6 +42,8 @@
#include "msvcrt/fcntl.h"
#include "msipriv.h"
#include "winuser.h"
#include "winreg.h"
#include "shlwapi.h"
#include "wine/unicode.h"
#include "action.h"
@ -56,6 +58,7 @@ extern const WCHAR szRemoveFiles[];
static const WCHAR cszTempFolder[]= {'T','e','m','p','F','o','l','d','e','r',0};
extern LPCWSTR msi_download_file( LPCWSTR szUrl, LPWSTR filename );
/*
* This is a helper function for handling embedded cabinet media
@ -378,6 +381,52 @@ static void free_media_info( struct media_info *mi )
msi_free( mi );
}
/* downloads a remote cabinet and extracts it if it exists */
static UINT msi_extract_remote_cabinet( MSIPACKAGE *package, struct media_info *mi )
{
FDICABINETINFO cabinfo;
WCHAR temppath[MAX_PATH];
WCHAR src[MAX_PATH];
LPSTR cabpath;
LPCWSTR file;
LPWSTR ptr;
HFDI hfdi;
ERF erf;
int hf;
/* the URL is the path prefix of the package URL and the filename
* of the file to download
*/
ptr = strrchrW(package->PackagePath, '/');
lstrcpynW(src, package->PackagePath, ptr - package->PackagePath + 2);
ptr = strrchrW(mi->source, '\\');
lstrcatW(src, ptr + 1);
file = msi_download_file( src, temppath );
lstrcpyW(mi->source, file);
/* check if the remote cabinet still exists, ignore if it doesn't */
hfdi = FDICreate(cabinet_alloc, cabinet_free, cabinet_open, cabinet_read,
cabinet_write, cabinet_close, cabinet_seek, 0, &erf);
if (!hfdi)
{
ERR("FDICreate failed\n");
return ERROR_FUNCTION_FAILED;
}
cabpath = strdupWtoA(mi->source);
hf = cabinet_open(cabpath, _O_RDONLY, 0);
if (!FDIIsCabinet(hfdi, hf, &cabinfo))
{
WARN("Remote cabinet %s does not exist.\n", debugstr_w(mi->source));
msi_free(cabpath);
return ERROR_SUCCESS;
}
msi_free(cabpath);
return !extract_cabinet_file(package, mi->source, mi->last_path);
}
static UINT ready_media_for_file( MSIPACKAGE *package, struct media_info *mi,
MSIFILE *file )
{
@ -488,7 +537,17 @@ static UINT ready_media_for_file( MSIPACKAGE *package, struct media_info *mi,
GetTempPathW(MAX_PATH,mi->last_path);
}
}
rc = !extract_cabinet_file(package, mi->source, mi->last_path);
/* only download the remote cabinet file if a local copy does not exist */
if (GetFileAttributesW(mi->source) == INVALID_FILE_ATTRIBUTES &&
UrlIsW(package->PackagePath, URLIS_URL))
{
rc = msi_extract_remote_cabinet(package, mi);
}
else
{
rc = !extract_cabinet_file(package, mi->source, mi->last_path);
}
}
else
{

4
dlls/msi/package.c
View File

@ -485,7 +485,7 @@ static LPCWSTR copy_package_to_temp( LPCWSTR szPackage, LPWSTR filename )
return filename;
}
static LPCWSTR msi_download_package( LPCWSTR szUrl, LPWSTR filename )
LPCWSTR msi_download_file( LPCWSTR szUrl, LPWSTR filename )
{
LPINTERNET_CACHE_ENTRY_INFOW cache_entry;
DWORD size = 0;
@ -539,7 +539,7 @@ UINT MSI_OpenPackageW(LPCWSTR szPackage, MSIPACKAGE **pPackage)
LPCWSTR file;
if ( UrlIsW( szPackage, URLIS_URL ) )
file = msi_download_package( szPackage, temppath );
file = msi_download_file( szPackage, temppath );
else
file = copy_package_to_temp( szPackage, temppath );