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63 lines
2.1 KiB
C
63 lines
2.1 KiB
C
/* UTMP API
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*
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* Copyright (c) 2016-2023 Joachim Wiberg <troglobit@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef FINIT_UTMP_API_H_
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#define FINIT_UTMP_API_H_
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#include <paths.h>
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#include <utmp.h>
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#ifndef _PATH_BTMP
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#define _PATH_BTMP "/var/log/btmp"
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#endif
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int utmp_set (int type, int pid, char *line, char *id, char *user);
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int utmp_set_boot (void);
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int utmp_set_halt (void);
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int utmp_set_init (char *tty, char *id);
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int utmp_set_login (char *tty, char *id);
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int utmp_set_dead (int pid);
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int utmp_set_runlevel(int pre, int now);
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int utmp_show (char *file);
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void runlevel_set (int pre, int now);
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/*
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* musl libc default to /dev/null/utmp and /dev/null/wtmp, respectively.
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* See https://www.openwall.com/lists/musl/2012/03/04/4 for reasoning.
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* Also, there's no __MUSL__, so we cannot make a libc-specific #ifdef
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*/
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static inline int has_utmp(void)
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{
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return strncmp(_PATH_UTMP, "/dev/null", 9);
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}
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#endif /* FINIT_UTMP_API_H_ */
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/**
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* Local Variables:
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* indent-tabs-mode: t
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* c-file-style: "linux"
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* End:
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*/
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