[gssapi-openssh.git] / openssh / misc.h

/*	$OpenBSD: misc.h,v 1.29 2006/01/31 10:19:02 djm Exp $	*/

/*
 * Author: Tatu Ylonen <ylo@cs.hut.fi>
 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
 *                    All rights reserved
 *
 * 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".
 */

/* misc.c */

char	*chop(char *);
char	*strdelim(char **);
int	 set_nonblock(int);
int	 unset_nonblock(int);
void	 set_nodelay(int);
int	 a2port(const char *);
int	 a2tun(const char *, int *);
char	*hpdelim(char **);
char	*cleanhostname(char *);
char	*colon(char *);
long	 convtime(const char *);
char	*tilde_expand_filename(const char *, uid_t);
char	*percent_expand(const char *, ...) __attribute__((__sentinel__));
char	*tohex(const u_char *, u_int);
void	 sanitise_stdfd(void);

struct passwd *pwcopy(struct passwd *);

typedef struct arglist arglist;
struct arglist {
	char    **list;
	u_int   num;
	u_int   nalloc;
};
void	 addargs(arglist *, char *, ...)
	     __attribute__((format(printf, 2, 3)));
void	 replacearg(arglist *, u_int, char *, ...)
	     __attribute__((format(printf, 3, 4)));
void	 freeargs(arglist *);

/* readpass.c */

#define RP_ECHO			0x0001
#define RP_ALLOW_STDIN		0x0002
#define RP_ALLOW_EOF		0x0004
#define RP_USE_ASKPASS		0x0008

char	*read_passphrase(const char *, int);
int	 ask_permission(const char *, ...) __attribute__((format(printf, 1, 2)));
int	 read_keyfile_line(FILE *, const char *, char *, size_t, u_long *);

int	 tun_open(int, int);

/* Common definitions for ssh tunnel device forwarding */
#define SSH_TUNMODE_NO		0x00
#define SSH_TUNMODE_POINTOPOINT	0x01
#define SSH_TUNMODE_ETHERNET	0x02
#define SSH_TUNMODE_DEFAULT	SSH_TUNMODE_POINTOPOINT
#define SSH_TUNMODE_YES		(SSH_TUNMODE_POINTOPOINT|SSH_TUNMODE_ETHERNET)

#define SSH_TUNID_ANY		0x7fffffff
#define SSH_TUNID_ERR		(SSH_TUNID_ANY - 1)
#define SSH_TUNID_MAX		(SSH_TUNID_ANY - 2)
Commit	Line	Data
2c06c99b	1	/* $OpenBSD: misc.h,v 1.29 2006/01/31 10:19:02 djm Exp $ */
3c0ef626	2
	3	/*
	4	* Author: Tatu Ylonen <ylo@cs.hut.fi>
	5	* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
	6	* All rights reserved
	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".
	13	*/
	14
c9f39d2c	15	/* misc.c */
c9f39d2c	16
3c0ef626	17	char chop(char );
3c0ef626	18	char strdelim(char *);
c9f39d2c	19	int set_nonblock(int);
c9f39d2c	20	int unset_nonblock(int);
e9a17296	21	void set_nodelay(int);
3c0ef626	22	int a2port(const char *);
2c06c99b	23	int a2tun(const char , int );
996d5e62	24	char hpdelim(char *);
3c0ef626	25	char cleanhostname(char );
	26	char colon(char );
	27	long convtime(const char *);
665a873d	28	char tilde_expand_filename(const char , uid_t);
	29	char percent_expand(const char , ...) __attribute__((__sentinel__));
	30	char tohex(const u_char , u_int);
2c06c99b	31	void sanitise_stdfd(void);
3c0ef626	32
	33	struct passwd pwcopy(struct passwd );
	34
	35	typedef struct arglist arglist;
	36	struct arglist {
700318f3	37	char **list;
c9f39d2c	38	u_int num;
c9f39d2c	39	u_int nalloc;
3c0ef626	40	};
2c06c99b	41	void addargs(arglist , char , ...)
	42	__attribute__((format(printf, 2, 3)));
	43	void replacearg(arglist , u_int, char , ...)
	44	__attribute__((format(printf, 3, 4)));
	45	void freeargs(arglist *);
c9f39d2c	46
c9f39d2c	47	/* readpass.c */
	48
	49	#define RP_ECHO 0x0001
	50	#define RP_ALLOW_STDIN 0x0002
	51	#define RP_ALLOW_EOF 0x0004
	52	#define RP_USE_ASKPASS 0x0008
	53
	54	char read_passphrase(const char , int);
996d5e62	55	int ask_permission(const char *, ...) __attribute__((format(printf, 1, 2)));
996d5e62	56	int read_keyfile_line(FILE , const char , char , size_t, u_long );
2c06c99b	57
	58	int tun_open(int, int);
	59
	60	/* Common definitions for ssh tunnel device forwarding */
	61	#define SSH_TUNMODE_NO 0x00
	62	#define SSH_TUNMODE_POINTOPOINT 0x01
	63	#define SSH_TUNMODE_ETHERNET 0x02
	64	#define SSH_TUNMODE_DEFAULT SSH_TUNMODE_POINTOPOINT
	65	#define SSH_TUNMODE_YES (SSH_TUNMODE_POINTOPOINT\|SSH_TUNMODE_ETHERNET)
	66
	67	#define SSH_TUNID_ANY 0x7fffffff
	68	#define SSH_TUNID_ERR (SSH_TUNID_ANY - 1)
	69	#define SSH_TUNID_MAX (SSH_TUNID_ANY - 2)