static bool
getfile (char ** setme, const char * root, tr_variant * path, struct evbuffer * buf)
{
bool success = false;
size_t root_len = 0;
*setme = NULL;
/* root's already been checked by caller */
assert (!path_component_is_suspicious (root));
if (tr_variantIsList (path))
{
int i;
const int n = tr_variantListSize (path);
success = true;
evbuffer_drain (buf, evbuffer_get_length (buf));
root_len = strlen (root);
evbuffer_add (buf, root, root_len);
for (i=0; i<n; i++)
{
size_t len;
const char * str;
if (!tr_variantGetStr (tr_variantListChild (path, i), &str, &len) ||
path_component_is_suspicious (str))
{
success = false;
break;
}
if (!*str)
continue;
evbuffer_add (buf, TR_PATH_DELIMITER_STR, 1);
evbuffer_add (buf, str, len);
}
}
if (success && (evbuffer_get_length (buf) <= root_len))
{
success = false;
}
if (success)
{
*setme = tr_utf8clean ((char*)evbuffer_pullup (buf, -1), evbuffer_get_length (buf));
/*fprintf (stderr, "[%s]\n", *setme);*/
}
return success;
}
static char const* parseFiles(tr_info* inf, tr_variant* files, tr_variant const* length)
{
int64_t len;
inf->totalSize = 0;
if (tr_variantIsList(files)) /* multi-file mode */
{
struct evbuffer* buf;
char const* result;
if (path_component_is_suspicious(inf->name))
{
return "path";
}
buf = evbuffer_new();
result = NULL;
inf->isFolder = true;
inf->fileCount = tr_variantListSize(files);
inf->files = tr_new0(tr_file, inf->fileCount);
for (tr_file_index_t i = 0; i < inf->fileCount; i++)
{
tr_variant* file;
tr_variant* path;
file = tr_variantListChild(files, i);
if (!tr_variantIsDict(file))
{
result = "files";
break;
}
if (!tr_variantDictFindList(file, TR_KEY_path_utf_8, &path))
{
if (!tr_variantDictFindList(file, TR_KEY_path, &path))
{
result = "path";
break;
}
}
if (!getfile(&inf->files[i].name, inf->name, path, buf))
{
result = "path";
break;
}
if (!tr_variantDictFindInt(file, TR_KEY_length, &len))
{
result = "length";
break;
}
inf->files[i].length = len;
inf->totalSize += len;
}
evbuffer_free(buf);
return result;
}
else if (tr_variantGetInt(length, &len)) /* single-file mode */
{
if (path_component_is_suspicious(inf->name))
{
return "path";
}
inf->isFolder = false;
inf->fileCount = 1;
inf->files = tr_new0(tr_file, 1);
inf->files[0].name = tr_strdup(inf->name);
inf->files[0].length = len;
inf->totalSize += len;
}
else
{
return "length";
}
return NULL;
}
