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