75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
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/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <android-base/parseint.h>
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#include <error.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "libaudit.h"
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static void usage(const char* cmdline) {
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fprintf(stderr, "Usage: %s [-r rate]\n", cmdline);
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}
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static void do_update_rate(uint32_t rate) {
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int fd = audit_open();
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if (fd == -1) {
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error(EXIT_FAILURE, errno, "Unable to open audit socket");
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}
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int result = audit_rate_limit(fd, rate);
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close(fd);
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if (result < 0) {
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fprintf(stderr, "Can't update audit rate limit: %d\n", result);
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exit(EXIT_FAILURE);
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}
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}
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int main(int argc, char* argv[]) {
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uint32_t rate = 0;
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bool update_rate = false;
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int opt;
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while ((opt = getopt(argc, argv, "r:")) != -1) {
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switch (opt) {
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case 'r':
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if (!android::base::ParseUint<uint32_t>(optarg, &rate)) {
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error(EXIT_FAILURE, errno, "Invalid Rate");
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}
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update_rate = true;
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break;
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default: /* '?' */
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usage(argv[0]);
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exit(EXIT_FAILURE);
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}
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}
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// In the future, we may add other options to auditctl
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// so this if statement will expand.
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// if (!update_rate && !update_backlog && !update_whatever) ...
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if (!update_rate) {
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fprintf(stderr, "Nothing to do\n");
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usage(argv[0]);
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exit(EXIT_FAILURE);
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}
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if (update_rate) {
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do_update_rate(rate);
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}
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return 0;
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}
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