msi: Factor out download_remote_cabinet and reuse extract_cabinet_file to extract a remote cabinet.

This commit is contained in:
James Hawkins 2006-11-07 15:14:20 -08:00 committed by Alexandre Julliard
parent ae18c2dc7f
commit 1ae4ab6ef7

View File

@ -354,52 +354,6 @@ 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);
}
static UINT msi_change_media( MSIPACKAGE *package, struct media_info *mi, LPCWSTR prompt )
{
LPWSTR error, error_dialog;
@ -423,6 +377,34 @@ static UINT msi_change_media( MSIPACKAGE *package, struct media_info *mi, LPCWST
return r;
}
static UINT download_remote_cabinet(MSIPACKAGE *package, struct media_info *mi)
{
WCHAR temppath[MAX_PATH];
LPWSTR src, ptr;
LPCWSTR cab;
src = strdupW(package->BaseURL);
if (!src)
return ERROR_OUTOFMEMORY;
ptr = strrchrW(src, '/');
if (!ptr)
{
msi_free(src);
return ERROR_FUNCTION_FAILED;
}
*(ptr + 1) = '\0';
ptr = strrchrW(mi->source, '\\');
lstrcatW(src, ptr + 1);
cab = msi_download_file(src, temppath);
lstrcpyW(mi->source, cab);
msi_free(src);
return ERROR_SUCCESS;
}
static UINT ready_media_for_file( MSIPACKAGE *package, struct media_info *mi,
MSIFILE *file )
{
@ -534,12 +516,15 @@ static UINT ready_media_for_file( MSIPACKAGE *package, struct media_info *mi,
if (GetFileAttributesW(mi->source) == INVALID_FILE_ATTRIBUTES &&
UrlIsW(package->BaseURL, URLIS_URL))
{
rc = msi_extract_remote_cabinet(package, mi);
}
else
{
rc = !extract_cabinet_file(package, mi);
rc = download_remote_cabinet(package, mi);
if (rc != ERROR_SUCCESS ||
GetFileAttributesW(mi->source) == INVALID_FILE_ATTRIBUTES)
{
goto done;
}
}
rc = !extract_cabinet_file(package, mi);
}
else
{