svn_error_t *
svn_fs__path_valid(const char *path, apr_pool_t *pool)
{
/* UTF-8 encoded string without NULs. */
if (! svn_utf__cstring_is_valid(path))
{
return svn_error_createf(SVN_ERR_FS_PATH_SYNTAX, NULL,
_("Path '%s' is not in UTF-8"), path);
}
/* No "." or ".." elements. */
if (svn_path_is_backpath_present(path)
|| svn_path_is_dotpath_present(path))
{
return svn_error_createf(SVN_ERR_FS_PATH_SYNTAX, NULL,
_("Path '%s' contains '.' or '..' element"),
path);
}
/* That's good enough. */
return SVN_NO_ERROR;
}
/* Explicit tests of various valid/invalid sequences */
static svn_error_t *
utf_validate(apr_pool_t *pool)
{
struct data {
svn_boolean_t valid;
char string[20];
} tests[] = {
{TRUE, {'a', 'b', '\0'}},
{FALSE, {'a', 'b', '\x80', '\0'}},
{FALSE, {'a', 'b', '\xC0', '\0'}},
{FALSE, {'a', 'b', '\xC0', '\x81', 'x', 'y', '\0'}},
{TRUE, {'a', 'b', '\xC5', '\x81', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xC5', '\xC0', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xE0', '\0'}},
{FALSE, {'a', 'b', '\xE0', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xE0', '\xA0', '\0'}},
{FALSE, {'a', 'b', '\xE0', '\xA0', 'x', 'y', '\0'}},
{TRUE, {'a', 'b', '\xE0', '\xA0', '\x81', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xE0', '\x9F', '\x81', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xE0', '\xCF', '\x81', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xE5', '\0'}},
{FALSE, {'a', 'b', '\xE5', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xE5', '\x81', '\0'}},
{FALSE, {'a', 'b', '\xE5', '\x81', 'x', 'y', '\0'}},
{TRUE, {'a', 'b', '\xE5', '\x81', '\x81', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xE5', '\xE1', '\x81', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xE5', '\x81', '\xE1', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xED', '\0'}},
{FALSE, {'a', 'b', '\xED', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xED', '\x81', '\0'}},
{FALSE, {'a', 'b', '\xED', '\x81', 'x', 'y', '\0'}},
{TRUE, {'a', 'b', '\xED', '\x81', '\x81', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xED', '\xA0', '\x81', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xED', '\x81', '\xC1', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xEE', '\0'}},
{FALSE, {'a', 'b', '\xEE', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xEE', '\x81', '\0'}},
{FALSE, {'a', 'b', '\xEE', '\x81', 'x', 'y', '\0'}},
{TRUE, {'a', 'b', '\xEE', '\x81', '\x81', 'x', 'y', '\0'}},
{TRUE, {'a', 'b', '\xEE', '\xA0', '\x81', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xEE', '\xC0', '\x81', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xEE', '\x81', '\xC1', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF0', '\0'}},
{FALSE, {'a', 'b', '\xF0', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF0', '\x91', '\0'}},
{FALSE, {'a', 'b', '\xF0', '\x91', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF0', '\x91', '\x81', '\0'}},
{FALSE, {'a', 'b', '\xF0', '\x91', '\x81', 'x', 'y', '\0'}},
{TRUE, {'a', 'b', '\xF0', '\x91', '\x81', '\x81', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF0', '\x81', '\x81', '\x81', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF0', '\xC1', '\x81', '\x81', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF0', '\x91', '\xC1', '\x81', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF0', '\x91', '\x81', '\xC1', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF2', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF2', '\x91', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF2', '\x91', '\x81', 'x', 'y', '\0'}},
{TRUE, {'a', 'b', '\xF2', '\x91', '\x81', '\x81', 'x', 'y', '\0'}},
{TRUE, {'a', 'b', '\xF2', '\x81', '\x81', '\x81', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF2', '\xC1', '\x81', '\x81', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF2', '\x91', '\xC1', '\x81', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF2', '\x91', '\x81', '\xC1', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF4', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF4', '\x91', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF4', '\x91', '\x81', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF4', '\x91', '\x81', '\x81', 'x', 'y', '\0'}},
{TRUE, {'a', 'b', '\xF4', '\x81', '\x81', '\x81', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF4', '\xC1', '\x81', '\x81', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF4', '\x91', '\xC1', '\x81', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF4', '\x91', '\x81', '\xC1', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF5', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF5', '\x81', 'x', 'y', '\0'}},
{TRUE, {'a', 'b', '\xF4', '\x81', '\x81', '\x81', 'x', 'y',
'a', 'b', '\xF2', '\x91', '\x81', '\x81', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF4', '\x81', '\x81', '\x81', 'x', 'y',
'a', 'b', '\xF2', '\x91', '\x81', '\xC1', 'x', 'y', '\0'}},
{FALSE, {'a', 'b', '\xF4', '\x81', '\x81', '\x81', 'x', 'y',
'a', 'b', '\xF2', '\x91', '\x81', 'x', 'y', '\0'}},
{-1},
};
int i = 0;
while (tests[i].valid != -1)
{
const char *last = svn_utf__last_valid(tests[i].string,
strlen(tests[i].string));
apr_size_t len = strlen(tests[i].string);
if ((svn_utf__cstring_is_valid(tests[i].string) != tests[i].valid)
||
(svn_utf__is_valid(tests[i].string, len) != tests[i].valid))
return svn_error_createf
(SVN_ERR_TEST_FAILED, NULL, "is_valid test %d failed", i);
if (!svn_utf__is_valid(tests[i].string, last - tests[i].string)
||
(tests[i].valid && *last))
return svn_error_createf
(SVN_ERR_TEST_FAILED, NULL, "last_valid test %d failed", i);
++i;
}
return SVN_NO_ERROR;
}
