static void check_all(const char *provider) {
check_weird_bug(provider);
verify_element(provider, 1, -4, 4, 0, 2, 4, 4, -8);
verify_group(provider, 4, 2);
if (no_ref)
printf("WARNING: no verification is done.\n");
else
printf("verification passed.\n");
}
static char *
thex_download_handle_xml(struct thex_download *ctx,
const char *data, size_t size)
{
xnode_t *hashtree = NULL, *node;
char *hashtree_id = NULL;
bool success = FALSE;
vxml_parser_t *vp;
vxml_error_t e;
if (size <= 0) {
if (GNET_PROPERTY(tigertree_debug)) {
g_debug("TTH XML record has no data");
}
goto finish;
}
/*
* Parse the XML record.
*/
vp = vxml_parser_make("THEX record", VXML_O_STRIP_BLANKS);
vxml_parser_add_data(vp, data, size);
e = vxml_parse_tree(vp, &hashtree);
vxml_parser_free(vp);
if (VXML_E_OK != e) {
if (GNET_PROPERTY(tigertree_debug)) {
g_warning("TTH cannot parse XML record: %s", vxml_strerror(e));
dump_hex(stderr, "XML record", data, size);
}
goto finish;
}
if (0 != strcmp("hashtree", xnode_element_name(hashtree))) {
if (GNET_PROPERTY(tigertree_debug)) {
g_debug("TTH couldn't find root hashtree element");
}
goto finish;
}
node = find_element_by_name(hashtree, "file");
if (node) {
if (!verify_element(node, "size", filesize_to_string(ctx->filesize)))
goto finish;
if (!verify_element(node, "segmentsize", THEX_SEGMENT_SIZE))
goto finish;
} else {
if (GNET_PROPERTY(tigertree_debug)) {
g_debug("TTH couldn't find hashtree/file element");
}
goto finish;
}
node = find_element_by_name(hashtree, "digest");
if (node) {
if (!verify_element(node, "algorithm", THEX_HASH_ALGO))
goto finish;
if (!verify_element(node, "outputsize", THEX_HASH_SIZE))
goto finish;
} else {
if (GNET_PROPERTY(tigertree_debug)) {
g_debug("TTH couldn't find hashtree/digest element");
}
goto finish;
}
node = find_element_by_name(hashtree, "serializedtree");
if (node) {
const char *value;
int error;
if (!verify_element(node, "type", THEX_TREE_TYPE))
goto finish;
value = xnode_prop_get(node, "uri");
if (NULL == value) {
if (GNET_PROPERTY(tigertree_debug)) {
g_debug("TTH couldn't find property \"uri\" of node \"%s\"",
xnode_element_name(node));
}
goto finish;
}
hashtree_id = h_strdup(value);
value = xnode_prop_get(node, "depth");
if (NULL == value) {
if (GNET_PROPERTY(tigertree_debug)) {
g_debug("TTH couldn't find property \"depth\" of node \"%s\"",
xnode_element_name(node));
}
goto finish;
}
ctx->depth = parse_uint16(value, NULL, 10, &error);
error |= ctx->depth > tt_full_depth(ctx->filesize);
if (error) {
ctx->depth = 0;
g_warning("TTH bad value for \"depth\" of node \"%s\": \"%s\"",
xnode_element_name(node), value);
}
if (error)
goto finish;
} else {
if (GNET_PROPERTY(tigertree_debug))
g_debug("TTH couldn't find hashtree/serializedtree element");
goto finish;
}
success = TRUE;
finish:
if (!success)
HFREE_NULL(hashtree_id);
xnode_tree_free_null(&hashtree);
return hashtree_id;
}
