1 /* 2 * Check decoding of socketcall syscall. 3 * 4 * Copyright (c) 2016 Dmitry V. Levin <ldv@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 <asm/unistd.h> 32 33 #ifdef __NR_socketcall 34 35 # include <assert.h> 36 # include <stdio.h> 37 # include <unistd.h> 38 39 # include "xlat.h" 40 # include "xlat/socketcalls.h" 41 42 static const char * 43 xlookup_uint(const struct xlat *xlat, const unsigned int val) 44 { 45 for (; xlat->str != NULL; xlat++) 46 if (xlat->val == val) 47 return xlat->str; 48 return NULL; 49 } 50 51 static const int sc_min = 1, sc_max = 20; 52 static void *efault; 53 54 static void 55 test_socketcall(const int i, const void *const addr) 56 { 57 const unsigned long call = 58 (unsigned long) 0xfacefeed00000000ULL | (unsigned int) i; 59 60 long rc = syscall(__NR_socketcall, call, addr); 61 62 if (i < sc_min || i > sc_max) { 63 printf("socketcall(%d, %p) = %ld %s (%m)\n", 64 (int) call, addr, rc, errno2name()); 65 } else if (addr == efault) { 66 const char *const str = xlookup_uint(socketcalls, i); 67 assert(str); 68 printf("socketcall(%s, %p) = %ld %s (%m)\n", 69 str, addr, rc, errno2name()); 70 } 71 } 72 int 73 main(void) 74 { 75 assert((unsigned) sc_min == socketcalls[0].val); 76 assert((unsigned) sc_max == socketcalls[ARRAY_SIZE(socketcalls) - 2].val); 77 78 const unsigned long *const args = tail_alloc(sizeof(*args) * 6); 79 efault = tail_alloc(1) + 1; 80 81 int i; 82 for (i = sc_min - 3; i <= sc_max + 3; ++i) { 83 test_socketcall(i, efault); 84 test_socketcall(i, args); 85 } 86 87 puts("+++ exited with 0 +++"); 88 return 0; 89 } 90 91 #else 92 93 SKIP_MAIN_UNDEFINED("__NR_socketcall") 94 95 #endif 96