2eec67acbb
This patch removes includes that are not used. The removals were found with include-what-you-use which checks if any of the symbols from a header is in use.
111 lines
3.4 KiB
C
111 lines
3.4 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2014 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "util.h"
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#include "fileio.h"
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#include "cap-list.h"
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#include "capability.h"
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#include <sys/prctl.h>
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/* verify the capability parser */
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static void test_cap_list(void) {
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int i;
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assert_se(!capability_to_name(-1));
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assert_se(!capability_to_name(capability_list_length()));
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for (i = 0; i < capability_list_length(); i++) {
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const char *n;
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assert_se(n = capability_to_name(i));
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assert_se(capability_from_name(n) == i);
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printf("%s = %i\n", n, i);
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}
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assert_se(capability_from_name("asdfbsd") == -EINVAL);
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assert_se(capability_from_name("CAP_AUDIT_READ") == CAP_AUDIT_READ);
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assert_se(capability_from_name("cap_audit_read") == CAP_AUDIT_READ);
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assert_se(capability_from_name("cAp_aUdIt_rEAd") == CAP_AUDIT_READ);
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assert_se(capability_from_name("0") == 0);
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assert_se(capability_from_name("15") == 15);
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assert_se(capability_from_name("-1") == -EINVAL);
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for (i = 0; i < capability_list_length(); i++) {
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_cleanup_cap_free_charp_ char *a = NULL;
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const char *b;
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unsigned u;
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assert_se(a = cap_to_name(i));
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/* quit the loop as soon as libcap starts returning
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* numeric ids, formatted as strings */
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if (safe_atou(a, &u) >= 0)
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break;
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assert_se(b = capability_to_name(i));
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printf("%s vs. %s\n", a, b);
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assert_se(strcasecmp(a, b) == 0);
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}
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}
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/* verify cap_last_cap() against /proc/sys/kernel/cap_last_cap */
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static void test_last_cap_file(void) {
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_cleanup_free_ char *content = NULL;
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unsigned long val = 0;
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int r;
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r = read_one_line_file("/proc/sys/kernel/cap_last_cap", &content);
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assert_se(r >= 0);
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r = safe_atolu(content, &val);
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assert_se(r >= 0);
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assert_se(val != 0);
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assert_se(val == cap_last_cap());
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}
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/* verify cap_last_cap() against syscall probing */
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static void test_last_cap_probe(void) {
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unsigned long p = (unsigned long)CAP_LAST_CAP;
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if (prctl(PR_CAPBSET_READ, p) < 0) {
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for (p--; p > 0; p --)
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if (prctl(PR_CAPBSET_READ, p) >= 0)
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break;
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} else {
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for (;; p++)
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if (prctl(PR_CAPBSET_READ, p+1) < 0)
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break;
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}
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assert_se(p != 0);
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assert_se(p == cap_last_cap());
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}
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int main(int argc, char *argv[]) {
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test_cap_list();
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test_last_cap_file();
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test_last_cap_probe();
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return 0;
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}
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