oysteikt/heimdal
0
0
Fork 0
Code Issues 5 Pull Requests Releases Activity

Test rk_get*auxval()

Browse Source
This commit is contained in:
Nicolas Williams
2017-03-31 16:55:26 -05:00
parent 707b2372d2
commit f867a12aa9
2 changed files with 122 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

118
lib/roken/test-auxval.c Normal file
View File

@@ -0,0 +1,118 @@
/*
* Copyright (c) 1999 - 2004 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.
*/
#include <config.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "roken.h"
int
main()
{
unsigned long max_t = 0;
unsigned long a[2];
unsigned long v;
ssize_t bytes;
int fd;
if ((fd = open("/proc/self/auxv", O_RDONLY)) == -1)
return 0;
do {
bytes = read(fd, a, sizeof(a));
if (bytes != sizeof(a)) {
if (bytes == -1)
err(1, "Error reading from /proc/self/auxv");
if (bytes == 0)
warnx("Did not see terminator in /proc/self/auxv");
else
warnx("Partial entry in /proc/self/auxv or test interrupted");
(void) close(fd);
return 1;
}
if (a[0] > max_t)
max_t = a[0];
if (a[0] == 0) {
if (a[1] != 0)
warnx("AT_NULL with non-zero value %lu?!", a[1]);
continue;
}
errno = EACCES;
if ((v = rk_getauxval(a[0])) != a[1])
errx(1, "rk_getauxval(%lu) should have been %lu, was %lu",
a[0], a[1], v);
if (errno != EACCES)
errx(1, "rk_getauxval(%lu) did not preserve errno", a[0]);
if ((v = rk_getprocauxval(a[0])) != a[1])
errx(1, "rk_getauxval(%lu) should have been %lu, was %lu",
a[0], a[1], v);
if (errno != EACCES)
errx(1, "rk_getprocauxval(%lu) did not preserve errno", a[0]);
printf("auxv type %lu -> %lu\n", a[0], a[1]);
} while (a[0] != 0 || a[1] != 0);
(void) close(fd);
if (max_t == 0) {
warnx("No entries in /proc/self/auxv or it is not available on this "
"system or this program is linked statically; cannot test "
"rk_getauxval()");
return 0;
}
errno = EACCES;
if ((v = rk_getauxval(max_t + 1)) != 0)
errx(1, "rk_getauxval((max_type_seen = %lu) + 1) should have been "
"0, was %lu", max_t, v);
if (errno != ENOENT)
errx(1, "rk_getauxval((max_type_seen = %lu) + 1) did not set "
"errno = ENOENT!", max_t);
errno = EACCES;
if ((v = rk_getprocauxval(max_t + 1)) != 0)
errx(1, "rk_getprocauxval((max_type_seen = %lu) + 1) should have been "
"0, was %lu", max_t, v);
if (errno != ENOENT)
errx(1, "rk_getprocauxval((max_type_seen = %lu) + 1) did not set "
"errno = ENOENT!", max_t);
return 0;
}