| Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 1 | /* |
| Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 2 | * Author: Tatu Ylonen <ylo@cs.hut.fi> |
| Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 3 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
| 4 | * All rights reserved |
| Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 5 | * Functions for allocating a pseudo-terminal and making it the controlling |
| 6 | * tty. |
| Damien Miller | e4340be | 2000-09-16 13:29:08 +1100 | [diff] [blame] | 7 | * |
| 8 | * As far as I am concerned, the code I have written for this software |
| 9 | * can be used freely for any purpose. Any derived versions of this |
| 10 | * software must be clearly marked as such, and if the derived work is |
| 11 | * incompatible with the protocol description in the RFC file, it must be |
| 12 | * called by a name other than "ssh" or "Secure Shell". |
| Damien Miller | 95def09 | 1999-11-25 00:26:21 +1100 | [diff] [blame] | 13 | */ |
| Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 14 | |
| Ben Lindstrom | b4c774c | 2001-07-04 04:07:12 +0000 | [diff] [blame^] | 15 | /* RCSID("$OpenBSD: sshpty.h,v 1.2 2001/06/26 06:33:04 itojun Exp $"); */ |
| Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 16 | |
| Kevin Steves | 6189e19 | 2001-04-02 14:02:55 +0000 | [diff] [blame] | 17 | #ifndef SSHPTY_H |
| 18 | #define SSHPTY_H |
| Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 19 | |
| Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 20 | /* |
| 21 | * Allocates and opens a pty. Returns 0 if no pty could be allocated, or |
| 22 | * nonzero if a pty was successfully allocated. On success, open file |
| 23 | * descriptors for the pty and tty sides and the name of the tty side are |
| 24 | * returned (the buffer must be able to hold at least 64 characters). |
| 25 | */ |
| Ben Lindstrom | b4c774c | 2001-07-04 04:07:12 +0000 | [diff] [blame^] | 26 | int pty_allocate(int *, int *, char *, int); |
| Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 27 | |
| Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 28 | /* |
| 29 | * Releases the tty. Its ownership is returned to root, and permissions to |
| 30 | * 0666. |
| 31 | */ |
| Ben Lindstrom | b4c774c | 2001-07-04 04:07:12 +0000 | [diff] [blame^] | 32 | void pty_release(const char *); |
| Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 33 | |
| Damien Miller | 5428f64 | 1999-11-25 11:54:57 +1100 | [diff] [blame] | 34 | /* |
| 35 | * Makes the tty the processes controlling tty and sets it to sane modes. |
| 36 | * This may need to reopen the tty to get rid of possible eavesdroppers. |
| 37 | */ |
| Ben Lindstrom | b4c774c | 2001-07-04 04:07:12 +0000 | [diff] [blame^] | 38 | void pty_make_controlling_tty(int *, const char *); |
| Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 39 | |
| 40 | /* Changes the window size associated with the pty. */ |
| Ben Lindstrom | b4c774c | 2001-07-04 04:07:12 +0000 | [diff] [blame^] | 41 | void pty_change_window_size(int, int, int, int, int); |
| Damien Miller | d4a8b7e | 1999-10-27 13:42:43 +1000 | [diff] [blame] | 42 | |
| Ben Lindstrom | b4c774c | 2001-07-04 04:07:12 +0000 | [diff] [blame^] | 43 | void pty_setowner(struct passwd *, const char *); |
| Damien Miller | c7d8dbb | 2000-03-02 23:30:53 +1100 | [diff] [blame] | 44 | |
| Kevin Steves | 6189e19 | 2001-04-02 14:02:55 +0000 | [diff] [blame] | 45 | #endif /* SSHPTY_H */ |