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/*
* SPDX-License-Identifier: ISC
*
* Copyright (c) 1993-1996, 1998-2005, 2007-2015, 2017-2018, 2021-2023
* Todd C. Miller <Todd.Miller@sudo.ws>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Sponsored in part by the Defense Advanced Research Projects
* Agency (DARPA) and Air Force Research Laboratory, Air Force
* Materiel Command, USAF, under agreement number F39502-99-1-0512.
*/
#ifndef SUDOERS_TIMESTAMP_H
#define SUDOERS_TIMESTAMP_H
struct passwd;
struct sudoers_context;
struct getpass_closure {
int lectured;
void *cookie;
struct passwd *auth_pw;
const struct sudoers_context *ctx;
};
/* Status codes for timestamp_status() */
#define TS_CURRENT 0
#define TS_OLD 1
#define TS_MISSING 2
#define TS_ERROR 3
#define TS_FATAL 4
/*
* Time stamps are now stored in a single file which contains multiple
* records. Each record starts with a 16-bit version number and a 16-bit
* record size. Multiple record types can coexist in the same file.
*/
#define TS_VERSION 2
/* Time stamp entry types */
#define TS_GLOBAL 0x01U /* not restricted by tty or ppid */
#define TS_TTY 0x02U /* restricted by tty */
#define TS_PPID 0x03U /* restricted by ppid */
#define TS_LOCKEXCL 0x04U /* special lock record */
/* Time stamp flags */
#define TS_DISABLED 0x01U /* entry disabled */
#define TS_ANYUID 0x02U /* ignore uid, only valid in the key */
struct timestamp_entry_v1 {
unsigned short version; /* version number */
unsigned short size; /* entry size */
unsigned short type; /* TS_GLOBAL, TS_TTY, TS_PPID */
unsigned short flags; /* TS_DISABLED, TS_ANYUID */
uid_t auth_uid; /* uid to authenticate as */
pid_t sid; /* session ID associated with tty/ppid */
struct timespec ts; /* time stamp (CLOCK_MONOTONIC) */
union {
dev_t ttydev; /* tty device number */
pid_t ppid; /* parent pid */
} u;
};
struct timestamp_entry {
unsigned short version; /* version number */
unsigned short size; /* entry size */
unsigned short type; /* TS_GLOBAL, TS_TTY, TS_PPID */
unsigned short flags; /* TS_DISABLED, TS_ANYUID */
uid_t auth_uid; /* uid to authenticate as */
pid_t sid; /* session ID associated with tty/ppid */
struct timespec start_time; /* session/ppid start time */
struct timespec ts; /* time stamp (CLOCK_MONOTONIC) */
union {
dev_t ttydev; /* tty device number */
pid_t ppid; /* parent pid */
} u;
};
union sudo_defs_val;
void *timestamp_open(const struct sudoers_context *ctx);
void timestamp_close(void *vcookie);
bool timestamp_lock(void *vcookie, struct passwd *pw);
bool timestamp_update(void *vcookie, struct passwd *pw);
int timestamp_remove(const struct sudoers_context *ctx, bool unlinkit);
int timestamp_status(void *vcookie, struct passwd *pw);
uid_t timestamp_get_uid(void);
bool cb_timestampowner(struct sudoers_context *ctx, const char *file, int line, int column, const union sudo_defs_val *sd_un, int op);
int get_starttime(pid_t pid, struct timespec *starttime);
bool already_lectured(const struct sudoers_context *ctx);
int set_lectured(const struct sudoers_context *ctx);
void display_lecture(struct sudo_conv_callback *callback);
int create_admin_success_flag(const struct sudoers_context *ctx);
#endif /* SUDOERS_TIMESTAMP_H */
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