/* 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(MSIPACKAGE *package, MSIFILE *file, struct media_info *mi)
{
UINT rc = ERROR_SUCCESS;
/* media info for continuous cabinet is already loaded */
if (mi->is_continuous)
return ERROR_SUCCESS;
rc = load_media_info(package, file, mi);
if (rc != ERROR_SUCCESS)
{
ERR("Unable to load media info\n");
return ERROR_FUNCTION_FAILED;
}
/* cabinet is internal, no checks needed */
if (!mi->cabinet || mi->cabinet[0] == '#')
return ERROR_SUCCESS;
/* package should be downloaded */
if (file->IsCompressed &&
GetFileAttributesW(mi->source) == INVALID_FILE_ATTRIBUTES &&
package->BaseURL && UrlIsW(package->BaseURL, URLIS_URL))
{
WCHAR temppath[MAX_PATH];
msi_download_file(mi->source, temppath);
lstrcpyW(mi->source, temppath);
return ERROR_SUCCESS;
}
/* check volume matches, change media if not */
if (mi->volume_label && mi->disk_id > 1 &&
lstrcmpW(mi->first_volume, mi->volume_label))
{
LPWSTR source = msi_dup_property(package, cszSourceDir);
BOOL matches;
matches = source_matches_volume(mi, source);
msi_free(source);
if ((mi->type == DRIVE_CDROM || mi->type == DRIVE_REMOVABLE) && !matches)
{
rc = msi_change_media(package, mi);
if (rc != ERROR_SUCCESS)
return rc;
}
}
if (file->IsCompressed &&
GetFileAttributesW(mi->source) == INVALID_FILE_ATTRIBUTES)
{
/* FIXME: this might be done earlier in the install process */
rc = find_published_source(package, mi);
if (rc != ERROR_SUCCESS)
{
ERR("Cabinet not found: %s\n", debugstr_w(mi->source));
return ERROR_INSTALL_FAILURE;
}
}
return ERROR_SUCCESS;
}
