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			82 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			82 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Permission to use, copy, modify, distribute, and sell this software and its
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 * documentation for any purpose is hereby granted without fee, provided that
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 * the above copyright notice appear in all copies and that both that copyright
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 * notice and this permission notice appear in supporting documentation, and
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 * that the name of the copyright holders not be used in advertising or
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 * publicity pertaining to distribution of the software without specific,
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 * written prior permission.  The copyright holders make no representations
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 * about the suitability of this software for any purpose.  It is provided "as
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 * is" without express or implied warranty.
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 *
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 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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 * OF THIS SOFTWARE.
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 */
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#include <stdlib.h>
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#include <assert.h>
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#include <errno.h>
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#include <string.h>
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#include <sys/un.h>
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#include "wayland-client.h"
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#include "wayland-server.h"
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#include "test-runner.h"
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/* Paths longer than what the .sun_path array can contain must be rejected.
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   This is a hard limitation of assigning a name to AF_UNIX/AF_LOCAL sockets.
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   See `man 7 unix`. */
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static const struct sockaddr_un example_sockaddr_un;
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#define TOO_LONG (1 + sizeof example_sockaddr_un.sun_path)
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/* Ensure the connection doesn't fail due to lack of XDG_RUNTIME_DIR. */
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static void
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require_xdg_runtime_dir(void)
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{
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	char *val = getenv("XDG_RUNTIME_DIR");
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	if (!val)
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		assert(0 && "set $XDG_RUNTIME_DIR to run this test");
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}
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TEST(socket_path_overflow_client_connect)
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{
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	char path[TOO_LONG];
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	struct wl_display *d;
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	require_xdg_runtime_dir();
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	memset(path, 'a', sizeof path);
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	path[sizeof path - 1] = '\0';
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	d = wl_display_connect(path);
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	assert(d == NULL);
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	assert(errno == ENAMETOOLONG);
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}
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TEST(socket_path_overflow_server_create)
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{
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	char path[TOO_LONG];
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	struct wl_display *d;
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	int ret;
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	require_xdg_runtime_dir();
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	memset(path, 'a', sizeof path);
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	path[sizeof path - 1] = '\0';
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	d = wl_display_create();
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	assert(d != NULL);
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	ret = wl_display_add_socket(d, path);
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	assert(ret < 0);
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	assert(errno == ENAMETOOLONG);
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	wl_display_destroy(d);
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}
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