1 /* 2 * Check decoding of ICMP_FILTER. 3 * 4 * Copyright (c) 2016 Dmitry V. Levin <ldv (at) altlinux.org> 5 * Copyright (c) 2016-2017 The strace developers. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "tests.h" 32 #include <stdio.h> 33 #include <sys/socket.h> 34 #include <linux/icmp.h> 35 36 int 37 main(void) 38 { 39 getsockopt(-1, SOL_RAW, ICMP_FILTER, 0, 0); 40 printf("getsockopt(-1, SOL_RAW, ICMP_FILTER, NULL, NULL) = -1 %s (%m)\n", 41 errno2name()); 42 43 setsockopt(-1, SOL_RAW, ICMP_FILTER, NULL, 0); 44 printf("setsockopt(-1, SOL_RAW, ICMP_FILTER, NULL, 0) = -1 %s (%m)\n", 45 errno2name()); 46 47 TAIL_ALLOC_OBJECT_CONST_PTR(socklen_t, plen); 48 void *const efault = plen + 1; 49 TAIL_ALLOC_OBJECT_CONST_PTR(struct icmp_filter, f); 50 51 getsockopt(-1, SOL_RAW, ICMP_FILTER, f, plen); 52 printf("getsockopt(-1, SOL_RAW, ICMP_FILTER, %p, [%d]) = -1 %s (%m)\n", 53 f, *plen, errno2name()); 54 55 setsockopt(-1, SOL_RAW, ICMP_FILTER, efault, sizeof(*f)); 56 printf("setsockopt(-1, SOL_RAW, ICMP_FILTER, %p, %u) = -1 %s (%m)\n", 57 efault, (unsigned) sizeof(*f), errno2name()); 58 59 f->data = ~( 60 1<<ICMP_ECHOREPLY | 61 1<<ICMP_DEST_UNREACH | 62 1<<ICMP_SOURCE_QUENCH | 63 1<<ICMP_REDIRECT | 64 1<<ICMP_TIME_EXCEEDED | 65 1<<ICMP_PARAMETERPROB); 66 67 setsockopt(-1, SOL_RAW, ICMP_FILTER, f, -2); 68 printf("setsockopt(-1, SOL_RAW, ICMP_FILTER, %p, -2) = -1 %s (%m)\n", 69 f, errno2name()); 70 71 setsockopt(-1, SOL_RAW, ICMP_FILTER, f, sizeof(*f)); 72 printf("setsockopt(-1, SOL_RAW, ICMP_FILTER, %s, %u) = -1 %s (%m)\n", 73 "~(1<<ICMP_ECHOREPLY|1<<ICMP_DEST_UNREACH|1<<ICMP_SOURCE_QUENCH" 74 "|1<<ICMP_REDIRECT|1<<ICMP_TIME_EXCEEDED|1<<ICMP_PARAMETERPROB)", 75 (unsigned) sizeof(*f), errno2name()); 76 77 setsockopt(-1, SOL_RAW, ICMP_FILTER, f, sizeof(*f) * 2); 78 printf("setsockopt(-1, SOL_RAW, ICMP_FILTER, %s, %u) = -1 %s (%m)\n", 79 "~(1<<ICMP_ECHOREPLY|1<<ICMP_DEST_UNREACH|1<<ICMP_SOURCE_QUENCH" 80 "|1<<ICMP_REDIRECT|1<<ICMP_TIME_EXCEEDED|1<<ICMP_PARAMETERPROB)", 81 (unsigned) sizeof(*f) * 2, errno2name()); 82 83 puts("+++ exited with 0 +++"); 84 return 0; 85 } 86