diff options
Diffstat (limited to 'sshpty.h')
-rw-r--r-- | sshpty.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/sshpty.h b/sshpty.h new file mode 100644 index 00000000..13d8e602 --- /dev/null +++ b/sshpty.h @@ -0,0 +1,47 @@ +/* + * Author: Tatu Ylonen <ylo@cs.hut.fi> + * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland + * All rights reserved + * Functions for allocating a pseudo-terminal and making it the controlling + * tty. + * + * As far as I am concerned, the code I have written for this software + * can be used freely for any purpose. Any derived versions of this + * software must be clearly marked as such, and if the derived work is + * incompatible with the protocol description in the RFC file, it must be + * called by a name other than "ssh" or "Secure Shell". + */ + +/* RCSID("$OpenBSD: pty.h,v 1.8 2000/09/07 20:27:52 deraadt Exp $"); */ + +#ifndef PTY_H +#define PTY_H + +/* + * Allocates and opens a pty. Returns 0 if no pty could be allocated, or + * nonzero if a pty was successfully allocated. On success, open file + * descriptors for the pty and tty sides and the name of the tty side are + * returned (the buffer must be able to hold at least 64 characters). + */ +int pty_allocate(int *ptyfd, int *ttyfd, char *ttyname, int ttynamelen); + +/* + * Releases the tty. Its ownership is returned to root, and permissions to + * 0666. + */ +void pty_release(const char *ttyname); + +/* + * Makes the tty the processes controlling tty and sets it to sane modes. + * This may need to reopen the tty to get rid of possible eavesdroppers. + */ +void pty_make_controlling_tty(int *ttyfd, const char *ttyname); + +/* Changes the window size associated with the pty. */ +void +pty_change_window_size(int ptyfd, int row, int col, + int xpixel, int ypixel); + +void pty_setowner(struct passwd *pw, const char *ttyname); + +#endif /* PTY_H */ |