/* * Check decoding of socketcall syscall. * * Copyright (c) 2016 Dmitry V. Levin * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "tests.h" #include #ifdef __NR_socketcall # include # include # include # include "xlat.h" # include "xlat/socketcalls.h" static const char * xlookup_uint(const struct xlat *xlat, const unsigned int val) { for (; xlat->str != NULL; xlat++) if (xlat->val == val) return xlat->str; return NULL; } static const int sc_min = 1, sc_max = 20; static void *efault; static void test_socketcall(const int i, const void *const addr) { const unsigned long call = (unsigned long) 0xfacefeed00000000ULL | (unsigned int) i; long rc = syscall(__NR_socketcall, call, addr); if (i < sc_min || i > sc_max) { printf("socketcall(%d, %p) = %ld %s (%m)\n", (int) call, addr, rc, errno2name()); } else if (addr == efault) { const char *const str = xlookup_uint(socketcalls, i); assert(str); printf("socketcall(%s, %p) = %ld %s (%m)\n", str, addr, rc, errno2name()); } } int main(void) { assert((unsigned) sc_min == socketcalls[0].val); assert((unsigned) sc_max == socketcalls[ARRAY_SIZE(socketcalls) - 2].val); const unsigned long *const args = tail_alloc(sizeof(*args) * 6); efault = tail_alloc(1) + 1; int i; for (i = sc_min - 3; i <= sc_max + 3; ++i) { test_socketcall(i, efault); test_socketcall(i, args); } puts("+++ exited with 0 +++"); return 0; } #else SKIP_MAIN_UNDEFINED("__NR_socketcall") #endif