00142c91fa
file. This will make it possible for multiple sudo processes using the same tty to serialize their timestamp lookups.
73 lines
2.6 KiB
C
73 lines
2.6 KiB
C
/*
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* Copyright (c) 1993-1996,1998-2005, 2007-2014
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* Todd C. Miller <Todd.Miller@courtesan.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Sponsored in part by the Defense Advanced Research Projects
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* Agency (DARPA) and Air Force Research Laboratory, Air Force
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* Materiel Command, USAF, under agreement number F39502-99-1-0512.
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*/
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#ifndef SUDOERS_CHECK_H
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#define SUDOERS_CHECK_H
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/* Status codes for timestamp_status() */
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#define TS_CURRENT 0
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#define TS_OLD 1
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#define TS_MISSING 2
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#define TS_ERROR 3
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#define TS_FATAL 4
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/*
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* Time stamps are now stored in a single file which contains multiple
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* records. Each record starts with a 16-bit version number and a 16-bit
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* record size. Multiple record types can coexist in the same file.
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*/
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#define TS_VERSION 1
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/* Time stamp entry types */
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#define TS_GLOBAL 0x01
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#define TS_TTY 0x02
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#define TS_PPID 0x03
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#define TS_LOCKEXCL 0x04
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/* Time stamp flags */
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#define TS_DISABLED 0x01 /* entry disabled */
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#define TS_ANYUID 0x02 /* ignore uid, only valid in the key */
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/* XXX - may also want to store uid/gid of tty device */
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struct timestamp_entry {
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unsigned short version; /* version number */
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unsigned short size; /* entry size */
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unsigned short type; /* TS_GLOBAL, TS_TTY, TS_PPID */
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unsigned short flags; /* TS_DISABLED, TS_ANYUID */
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uid_t auth_uid; /* uid to authenticate as */
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pid_t sid; /* session ID associated with tty/ppid */
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struct timespec ts; /* timestamp (CLOCK_MONOTONIC) */
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union {
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dev_t ttydev; /* tty device number */
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pid_t ppid; /* parent pid */
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} u;
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};
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void *timestamp_open(const char *user, pid_t sid);
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void timestamp_close(void *vcookie);
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bool timestamp_lock(void *vcookie, struct passwd *pw);
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bool timestamp_update(void *vcookie, struct passwd *pw);
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int timestamp_status(void *vcookie, struct passwd *pw);
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bool already_lectured(int status);
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int set_lectured(void);
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#endif /* SUDOERS_CHECK_H */
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