cebcd450c6
Take and release mutex between ifc_init() and ifc_close() calls to prevent global ifc_ctl_sock override. Bug: 22307208 Change-Id: Iacffd329ce2a51defa550c7e33277332045a7b9b Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
/*
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* Copyright 2015, 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 <err.h>
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#include <errno.h>
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#include <error.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <netutils/dhcp.h>
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#include <netutils/ifc.h>
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int main(int argc, char* argv[]) {
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if (argc != 2) {
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error(EXIT_FAILURE, 0, "usage: %s INTERFACE", argv[0]);
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}
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char* interface = argv[1];
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if (ifc_init()) {
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err(errno, "dhcptool %s: ifc_init failed", interface);
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ifc_close();
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return EXIT_FAILURE;
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}
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int rc = do_dhcp(interface);
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if (rc) {
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err(errno, "dhcptool %s: do_dhcp failed", interface);
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}
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ifc_close();
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return rc ? EXIT_FAILURE : EXIT_SUCCESS;
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}
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