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1.8.7

    1: /*
    2:  * Copyright (c) 2010-2013 Todd C. Miller <Todd.Miller@courtesan.com>
    3:  *
    4:  * Permission to use, copy, modify, and distribute this software for any
    5:  * purpose with or without fee is hereby granted, provided that the above
    6:  * copyright notice and this permission notice appear in all copies.
    7:  *
    8:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
    9:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   10:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   11:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   12:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   13:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   14:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   15:  */
   16: 
   17: #ifndef _SUDO_EXEC_H
   18: #define _SUDO_EXEC_H
   19: 
   20: /*
   21:  * Special values to indicate whether continuing in foreground or background.
   22:  */
   23: #define SIGCONT_FG	-2
   24: #define SIGCONT_BG	-3
   25: 
   26: /*
   27:  * Positions in saved_signals[]
   28:  */
   29: #define SAVED_SIGALRM	 0
   30: #define SAVED_SIGCHLD	 1
   31: #define SAVED_SIGCONT	 2
   32: #define SAVED_SIGHUP	 3
   33: #define SAVED_SIGINT	 4
   34: #define SAVED_SIGPIPE	 5
   35: #define SAVED_SIGQUIT	 6
   36: #define SAVED_SIGTERM	 7
   37: #define SAVED_SIGTSTP	 8
   38: #define SAVED_SIGTTIN	 9
   39: #define SAVED_SIGTTOU	10
   40: #define SAVED_SIGUSR1	11
   41: #define SAVED_SIGUSR2	12
   42: 
   43: /*
   44:  * Symbols shared between exec.c and exec_pty.c
   45:  */
   46: 
   47: /* exec.c */
   48: int sudo_execve(const char *path, char *const argv[], char *const envp[], int noexec);
   49: extern volatile pid_t cmnd_pid;
   50: 
   51: /* exec_pty.c */
   52: struct command_details;
   53: struct command_status;
   54: int fork_pty(struct command_details *details, int sv[], int *maxfd, sigset_t *omask);
   55: int perform_io(fd_set *fdsr, fd_set *fdsw, struct command_status *cstat);
   56: int suspend_parent(int signo);
   57: void exec_cmnd(struct command_details *details, struct command_status *cstat,
   58:     int *errfd);
   59: void fd_set_iobs(fd_set *fdsr, fd_set *fdsw);
   60: #ifdef SA_SIGINFO
   61: void handler(int s, siginfo_t *info, void *context);
   62: #else
   63: void handler(int s);
   64: #endif
   65: void pty_close(struct command_status *cstat);
   66: void pty_setup(uid_t uid, const char *tty, const char *utmp_user);
   67: void terminate_command(pid_t pid, bool use_pgrp);
   68: 
   69: /* utmp.c */
   70: bool utmp_login(const char *from_line, const char *to_line, int ttyfd,
   71:     const char *user);
   72: bool utmp_logout(const char *line, int status);
   73: 
   74: #endif /* _SUDO_EXEC_H */