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sudo v 1.8.10p3

    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:  * Older systems may not support MSG_WAITALL but it shouldn't really be needed.
   22:  */
   23: #ifndef MSG_WAITALL
   24: # define MSG_WAITALL 0
   25: #endif
   26: 
   27: /*
   28:  * Special values to indicate whether continuing in foreground or background.
   29:  */
   30: #define SIGCONT_FG	-2
   31: #define SIGCONT_BG	-3
   32: 
   33: /*
   34:  * Positions in saved_signals[]
   35:  */
   36: #define SAVED_SIGALRM	 0
   37: #define SAVED_SIGCHLD	 1
   38: #define SAVED_SIGCONT	 2
   39: #define SAVED_SIGHUP	 3
   40: #define SAVED_SIGINT	 4
   41: #define SAVED_SIGPIPE	 5
   42: #define SAVED_SIGQUIT	 6
   43: #define SAVED_SIGTERM	 7
   44: #define SAVED_SIGTSTP	 8
   45: #define SAVED_SIGTTIN	 9
   46: #define SAVED_SIGTTOU	10
   47: #define SAVED_SIGUSR1	11
   48: #define SAVED_SIGUSR2	12
   49: 
   50: /*
   51:  * Symbols shared between exec.c and exec_pty.c
   52:  */
   53: 
   54: /* exec.c */
   55: struct sudo_event_base;
   56: int sudo_execve(const char *path, char *const argv[], char *const envp[], bool noexec);
   57: extern volatile pid_t cmnd_pid;
   58: 
   59: /* exec_pty.c */
   60: struct command_details;
   61: struct command_status;
   62: int fork_pty(struct command_details *details, int sv[], sigset_t *omask);
   63: int suspend_parent(int signo);
   64: void exec_cmnd(struct command_details *details, struct command_status *cstat,
   65:     int errfd);
   66: void add_io_events(struct sudo_event_base *evbase);
   67: #ifdef SA_SIGINFO
   68: void handler(int s, siginfo_t *info, void *context);
   69: #else
   70: void handler(int s);
   71: #endif
   72: void pty_close(struct command_status *cstat);
   73: void pty_setup(uid_t uid, const char *tty, const char *utmp_user);
   74: void terminate_command(pid_t pid, bool use_pgrp);
   75: 
   76: /* utmp.c */
   77: bool utmp_login(const char *from_line, const char *to_line, int ttyfd,
   78:     const char *user);
   79: bool utmp_logout(const char *line, int status);
   80: 
   81: #endif /* _SUDO_EXEC_H */