/*
* Copyright (c) 2010-2011 Todd C. Miller <Todd.Miller@courtesan.com>
*
* 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.
*/
#ifndef _SUDO_EXEC_H
#define _SUDO_EXEC_H
/*
* Special values to indicate whether continuing in foreground or background.
*/
#define SIGCONT_FG -2
#define SIGCONT_BG -3
/*
* Symbols shared between exec.c and exec_pty.c
*/
/* exec.c */
int sudo_execve(const char *path, char *const argv[], char *const envp[], int noexec);
int pipe_nonblock(int fds[2]);
/* exec_pty.c */
struct command_details;
struct command_status;
int fork_pty(struct command_details *details, int sv[], int *maxfd);
int perform_io(fd_set *fdsr, fd_set *fdsw, struct command_status *cstat);
int suspend_parent(int signo);
void fd_set_iobs(fd_set *fdsr, fd_set *fdsw);
void handler(int s);
void pty_close(struct command_status *cstat);
void pty_setup(uid_t uid, const char *tty, const char *utmp_user);
void terminate_child(pid_t pid, bool use_pgrp);
extern int signal_pipe[2];
/* utmp.c */
bool utmp_login(const char *from_line, const char *to_line, int ttyfd,
const char *user);
bool utmp_logout(const char *line, int status);
#endif /* _SUDO_EXEC_H */
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