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Diffstat (limited to 'crypto/openssh/pty.h')
-rw-r--r-- | crypto/openssh/pty.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/crypto/openssh/pty.h b/crypto/openssh/pty.h new file mode 100644 index 0000000..7d8e09d --- /dev/null +++ b/crypto/openssh/pty.h @@ -0,0 +1,48 @@ +/* + * + * pty.h + * + * Author: Tatu Ylonen <ylo@cs.hut.fi> + * + * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland + * All rights reserved + * + * Created: Fri Mar 17 05:03:28 1995 ylo + * + * Functions for allocating a pseudo-terminal and making it the controlling + * tty. + */ + +/* RCSID("$Id: pty.h,v 1.5 2000/02/15 16:52:58 markus 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 */ |