90 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			90 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Check decoding of sockaddr related arguments of recvfrom syscall.
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|  *
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|  * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
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|  * All rights reserved.
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|  *
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|  * Redistribution and use in source and binary forms, with or without
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|  * modification, are permitted provided that the following conditions
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|  * are met:
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|  * 1. Redistributions of source code must retain the above copyright
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|  *    notice, this list of conditions and the following disclaimer.
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|  * 2. Redistributions in binary form must reproduce the above copyright
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|  *    notice, this list of conditions and the following disclaimer in the
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|  *    documentation and/or other materials provided with the distribution.
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|  * 3. The name of the author may not be used to endorse or promote products
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|  *    derived from this software without specific prior written permission.
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|  *
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|  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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|  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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|  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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|  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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|  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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|  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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|  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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|  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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|  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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|  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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|  */
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| 
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| #define TEST_SYSCALL_NAME recvfrom
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| #define TEST_SYSCALL_PREPARE send_un()
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| #define PREFIX_S_ARGS	, recv_buf, 1, 0
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| #define PREFIX_S_STR	", \"A\", 1, 0"
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| #define PREFIX_F_ARGS	, 0, 1, 0
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| #define PREFIX_F_STR	", NULL, 1, 0"
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| static void send_un(void);
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| static char recv_buf[1];
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| #include "sockname.c"
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| 
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| static int cfd;
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| 
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| static void
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| send_un(void)
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| {
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| 	if (send(cfd, "A", 1, 0) != 1)
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| 		perror_msg_and_skip("send");
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| }
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| 
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| int
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| main(void)
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| {
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| 	cfd = socket(AF_UNIX, SOCK_STREAM, 0);
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| 	int lfd = socket(AF_UNIX, SOCK_STREAM, 0);
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| 	if (cfd < 0 || lfd < 0)
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| 		perror_msg_and_skip("socket");
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| 
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| 	struct sockaddr_un un = {
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| 		.sun_family = AF_UNIX,
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| 		.sun_path = TEST_SOCKET ".send"
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| 	};
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| 
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| 	(void) unlink(un.sun_path);
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| 	if (bind(cfd, (const void *) &un, sizeof(un)))
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| 		perror_msg_and_skip("bind");
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| 	(void) unlink(un.sun_path);
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| 
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| 	un.sun_path[sizeof(TEST_SOCKET) - 1] = '\0';
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| 	(void) unlink(un.sun_path);
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| 
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| 	if (bind(lfd, (const void *) &un, sizeof(un)))
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| 		perror_msg_and_skip("bind");
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| 
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| 	if (listen(lfd, 1))
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| 		perror_msg_and_skip("listen");
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| 
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| 	if (connect(cfd, (const void *) &un, sizeof(un)))
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| 		perror_msg_and_skip("connect");
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| 
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| 	int afd = accept(lfd, 0, 0);
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| 	if (afd < 0)
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| 		perror_msg_and_skip("accept");
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| 
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| 	(void) unlink(un.sun_path);
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| 
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| 	test_sockname_syscall(afd);
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| 
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| 	puts("+++ exited with 0 +++");
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| 	return 0;
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| }
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