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Commit	Line	Data
	1	/* $OpenBSD: misc.h,v 1.39 2009/10/28 16:38:18 reyk Exp $ */
	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
	15	#ifndef _MISC_H
	16	#define _MISC_H
	17
	18	/* misc.c */
	19
	20	char chop(char );
	21	char strdelim(char *);
	22	int set_nonblock(int);
	23	int unset_nonblock(int);
	24	void set_nodelay(int);
	25	int a2port(const char *);
	26	int a2tun(const char , int );
	27	char put_host_port(const char , u_short);
	28	char hpdelim(char *);
	29	char cleanhostname(char );
	30	char colon(char );
	31	long convtime(const char *);
	32	char tilde_expand_filename(const char , uid_t);
	33	char percent_expand(const char , ...) __attribute__((__sentinel__));
	34	char tohex(const void , size_t);
	35	void sanitise_stdfd(void);
	36	void ms_subtract_diff(struct timeval , int );
	37	void ms_to_timeval(struct timeval *, int);
	38	void sock_set_v6only(int);
	39
	40	struct passwd pwcopy(struct passwd );
	41	const char *ssh_gai_strerror(int);
	42
	43	typedef struct arglist arglist;
	44	struct arglist {
	45	char **list;
	46	u_int num;
	47	u_int nalloc;
	48	};
	49	void addargs(arglist , char , ...)
	50	__attribute__((format(printf, 2, 3)));
	51	void replacearg(arglist , u_int, char , ...)
	52	__attribute__((format(printf, 3, 4)));
	53	void freeargs(arglist *);
	54
	55	int tun_open(int, int);
	56
	57	int socket_rdomain(int, int, int, int);
	58
	59	/* Common definitions for ssh tunnel device forwarding */
	60	#define SSH_TUNMODE_NO 0x00
	61	#define SSH_TUNMODE_POINTOPOINT 0x01
	62	#define SSH_TUNMODE_ETHERNET 0x02
	63	#define SSH_TUNMODE_DEFAULT SSH_TUNMODE_POINTOPOINT
	64	#define SSH_TUNMODE_YES (SSH_TUNMODE_POINTOPOINT\|SSH_TUNMODE_ETHERNET)
	65
	66	#define SSH_TUNID_ANY 0x7fffffff
	67	#define SSH_TUNID_ERR (SSH_TUNID_ANY - 1)
	68	#define SSH_TUNID_MAX (SSH_TUNID_ANY - 2)
	69
	70	/* Functions to extract or store big-endian words of various sizes */
	71	u_int64_t get_u64(const void *)
	72	__attribute__((__bounded__( __minbytes__, 1, 8)));
	73	u_int32_t get_u32(const void *)
	74	__attribute__((__bounded__( __minbytes__, 1, 4)));
	75	u_int16_t get_u16(const void *)
	76	__attribute__((__bounded__( __minbytes__, 1, 2)));
	77	void put_u64(void *, u_int64_t)
	78	__attribute__((__bounded__( __minbytes__, 1, 8)));
	79	void put_u32(void *, u_int32_t)
	80	__attribute__((__bounded__( __minbytes__, 1, 4)));
	81	void put_u16(void *, u_int16_t)
	82	__attribute__((__bounded__( __minbytes__, 1, 2)));
	83
	84
	85	/* readpass.c */
	86
	87	#define RP_ECHO 0x0001
	88	#define RP_ALLOW_STDIN 0x0002
	89	#define RP_ALLOW_EOF 0x0004
	90	#define RP_USE_ASKPASS 0x0008
	91
	92	char read_passphrase(const char , int);
	93	int ask_permission(const char *, ...) __attribute__((format(printf, 1, 2)));
	94	int read_keyfile_line(FILE , const char , char , size_t, u_long );
	95
	96	#endif /* _MISC_H */