diff options
Diffstat (limited to 'crypto/heimdal/lib/roken/parse_reply-test.c')
| -rw-r--r-- | crypto/heimdal/lib/roken/parse_reply-test.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/roken/parse_reply-test.c b/crypto/heimdal/lib/roken/parse_reply-test.c new file mode 100644 index 0000000..47e12d1 --- /dev/null +++ b/crypto/heimdal/lib/roken/parse_reply-test.c @@ -0,0 +1,129 @@ +/* + * Copyright (c) 2002 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * 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. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +RCSID("$Id: parse_reply-test.c,v 1.2 2002/09/04 03:25:06 assar Exp $"); +#endif + +#include <sys/types.h> +#ifdef HAVE_SYS_MMAN_H +#include <sys/mman.h> +#endif +#include <fcntl.h> + +#include "roken.h" +#include "resolve.h" + +struct dns_reply* +parse_reply(const unsigned char *, size_t); + +enum { MAX_BUF = 36}; + +static struct testcase { + unsigned char buf[MAX_BUF]; + size_t buf_len; +} tests[] = { + {{0x12, 0x67, 0x84, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, + 0x03, 'f', 'o', 'o', 0x00, + 0x00, 0x10, 0x00, 0x01, + 0x03, 'f', 'o', 'o', 0x00, + 0x00, 0x10, 0x00, 0x01, + 0x00, 0x00, 0x12, 0x67, 0xff, 0xff}, 36} +}; + +#ifndef MAP_FAILED +#define MAP_FAILED (-1) +#endif + +static sig_atomic_t val = 0; + +static RETSIGTYPE +segv_handler(int sig) +{ + val = 1; +} + +int +main(int argc, char **argv) +{ +#ifndef HAVE_MMAP + return 77; /* signal to automake that this test + cannot be run */ +#else /* HAVE_MMAP */ + int ret; + int i; + struct sigaction sa; + + sigemptyset (&sa.sa_mask); + sa.sa_flags = 0; + sa.sa_handler = segv_handler; + sigaction (SIGSEGV, &sa, NULL); + + for (i = 0; val == 0 && i < sizeof(tests)/sizeof(tests[0]); ++i) { + const struct testcase *t = &tests[i]; + unsigned char *p1, *p2; + int flags; + int fd; + size_t pagesize = getpagesize(); + unsigned char *buf; + +#ifdef MAP_ANON + flags = MAP_ANON; + fd = -1; +#else + flags = 0; + fd = open ("/dev/zero", O_RDONLY); + if(fd < 0) + err (1, "open /dev/zero"); +#endif + flags |= MAP_PRIVATE; + + p1 = (char *)mmap(0, 2 * pagesize, PROT_READ | PROT_WRITE, + flags, fd, 0); + if (p1 == (unsigned char *)MAP_FAILED) + err (1, "mmap"); + p2 = p1 + pagesize; + ret = mprotect (p2, pagesize, 0); + if (ret < 0) + err (1, "mprotect"); + buf = p2 - t->buf_len; + memcpy (buf, t->buf, t->buf_len); + parse_reply (buf, t->buf_len); + ret = munmap (p1, 2 * pagesize); + if (ret < 0) + err (1, "munmap"); + } + return val; +#endif /* HAVE_MMAP */ +} |
