103 lines
3.1 KiB
C
103 lines
3.1 KiB
C
/*
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* Copyright (c) 2010-2016 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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#ifndef SUDO_EXEC_H
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#define SUDO_EXEC_H
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/*
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* Older systems may not support MSG_WAITALL but it shouldn't really be needed.
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*/
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#ifndef MSG_WAITALL
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# define MSG_WAITALL 0
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#endif
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/*
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* Some older systems support siginfo but predate SI_USER.
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*/
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#ifdef SA_SIGINFO
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# ifdef SI_USER
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# define USER_SIGNALED(_info) ((_info) != NULL && (_info)->si_code == SI_USER)
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# else
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# define USER_SIGNALED(_info) ((_info) != NULL && (_info)->si_code <= 0)
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# endif
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#endif
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/*
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* Special values to indicate whether continuing in foreground or background.
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*/
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#define SIGCONT_FG -2
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#define SIGCONT_BG -3
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/*
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* Positions in saved_signals[]
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*/
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#define SAVED_SIGALRM 0
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#define SAVED_SIGCHLD 1
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#define SAVED_SIGCONT 2
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#define SAVED_SIGHUP 3
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#define SAVED_SIGINT 4
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#define SAVED_SIGPIPE 5
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#define SAVED_SIGQUIT 6
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#define SAVED_SIGTERM 7
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#define SAVED_SIGTSTP 8
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#define SAVED_SIGTTIN 9
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#define SAVED_SIGTTOU 10
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#define SAVED_SIGUSR1 11
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#define SAVED_SIGUSR2 12
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/*
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* Error codes for sesh
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*/
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#define SESH_SUCCESS 0 /* successful operation */
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#define SESH_ERR_FAILURE 1 /* unspecified error */
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#define SESH_ERR_INVALID 30 /* invalid -e arg value */
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#define SESH_ERR_BAD_PATHS 31 /* odd number of paths */
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#define SESH_ERR_NO_FILES 32 /* copy error, no files copied */
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#define SESH_ERR_SOME_FILES 33 /* copy error, some files copied */
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/*
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* Symbols shared between exec.c and exec_pty.c
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*/
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/* exec.c */
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struct sudo_event_base;
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int sudo_execve(int fd, const char *path, char *const argv[], char *envp[], bool noexec);
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extern volatile pid_t cmnd_pid;
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/* exec_pty.c */
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struct command_details;
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struct command_status;
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int fork_pty(struct command_details *details, int sv[], sigset_t *omask);
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int suspend_parent(int signo);
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void exec_cmnd(struct command_details *details, struct command_status *cstat,
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int errfd);
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void add_io_events(struct sudo_event_base *evbase);
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#ifdef SA_SIGINFO
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void handler(int s, siginfo_t *info, void *context);
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#else
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void handler(int s);
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#endif
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void pty_close(struct command_status *cstat);
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void pty_setup(uid_t uid, const char *tty, const char *utmp_user);
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void terminate_command(pid_t pid, bool use_pgrp);
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/* utmp.c */
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bool utmp_login(const char *from_line, const char *to_line, int ttyfd,
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const char *user);
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bool utmp_logout(const char *line, int status);
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#endif /* SUDO_EXEC_H */
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