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Commit	Line	Data
	1	/* $OpenBSD: misc.h,v 1.34 2006/08/01 23:22:47 stevesk 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	#include <sys/types.h>
	19
	20	#include <pwd.h>
	21	#include <stdio.h>
	22
	23	/* misc.c */
	24
	25	char chop(char );
	26	char strdelim(char *);
	27	int set_nonblock(int);
	28	int unset_nonblock(int);
	29	void set_nodelay(int);
	30	int a2port(const char *);
	31	int a2tun(const char , int );
	32	char put_host_port(const char , u_short);
	33	char hpdelim(char *);
	34	char cleanhostname(char );
	35	char colon(char );
	36	long convtime(const char *);
	37	char tilde_expand_filename(const char , uid_t);
	38	char percent_expand(const char , ...) __attribute__((__sentinel__));
	39	char tohex(const void , size_t);
	40	void sanitise_stdfd(void);
	41
	42	struct passwd pwcopy(struct passwd );
	43
	44	typedef struct arglist arglist;
	45	struct arglist {
	46	char **list;
	47	u_int num;
	48	u_int nalloc;
	49	};
	50	void addargs(arglist , char , ...)
	51	__attribute__((format(printf, 2, 3)));
	52	void replacearg(arglist , u_int, char , ...)
	53	__attribute__((format(printf, 3, 4)));
	54	void freeargs(arglist *);
	55
	56	/* readpass.c */
	57
	58	#define RP_ECHO 0x0001
	59	#define RP_ALLOW_STDIN 0x0002
	60	#define RP_ALLOW_EOF 0x0004
	61	#define RP_USE_ASKPASS 0x0008
	62
	63	char read_passphrase(const char , int);
	64	int ask_permission(const char *, ...) __attribute__((format(printf, 1, 2)));
	65	int read_keyfile_line(FILE , const char , char , size_t, u_long );
	66
	67	int tun_open(int, int);
	68
	69	/* Common definitions for ssh tunnel device forwarding */
	70	#define SSH_TUNMODE_NO 0x00
	71	#define SSH_TUNMODE_POINTOPOINT 0x01
	72	#define SSH_TUNMODE_ETHERNET 0x02
	73	#define SSH_TUNMODE_DEFAULT SSH_TUNMODE_POINTOPOINT
	74	#define SSH_TUNMODE_YES (SSH_TUNMODE_POINTOPOINT\|SSH_TUNMODE_ETHERNET)
	75
	76	#define SSH_TUNID_ANY 0x7fffffff
	77	#define SSH_TUNID_ERR (SSH_TUNID_ANY - 1)
	78	#define SSH_TUNID_MAX (SSH_TUNID_ANY - 2)
	79
	80	/* Functions to extract or store big-endian words of various sizes */
	81	u_int64_t get_u64(const void *)
	82	__attribute__((__bounded__( __minbytes__, 1, 8)));
	83	u_int32_t get_u32(const void *)
	84	__attribute__((__bounded__( __minbytes__, 1, 4)));
	85	u_int16_t get_u16(const void *)
	86	__attribute__((__bounded__( __minbytes__, 1, 2)));
	87	void put_u64(void *, u_int64_t)
	88	__attribute__((__bounded__( __minbytes__, 1, 8)));
	89	void put_u32(void *, u_int32_t)
	90	__attribute__((__bounded__( __minbytes__, 1, 4)));
	91	void put_u16(void *, u_int16_t)
	92	__attribute__((__bounded__( __minbytes__, 1, 2)));
	93
	94	#endif /* _MISC_H */
	95