1 /* $MirOS: src/usr.bin/ssh/misc.h,v 1.5 2013/10/31 20:07:12 tg Exp $ */ 2 /* $OpenBSD: misc.h,v 1.38 2008/06/12 20:38:28 dtucker Exp $ */ 3 4 /* 5 * Author: Tatu Ylonen <ylo@cs.hut.fi> 6 * Copyright © 2013 7 * Thorsten “mirabilos” Glaser <tg@mirbsd.org> 8 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 9 * All rights reserved 10 * 11 * As far as I am concerned, the code I have written for this software 12 * can be used freely for any purpose. Any derived versions of this 13 * software must be clearly marked as such, and if the derived work is 14 * incompatible with the protocol description in the RFC file, it must be 15 * called by a name other than "ssh" or "Secure Shell". 16 */ 17 18 #ifndef _MISC_H 19 #define _MISC_H 20 21 /* misc.c */ 22 23 char *chop(char *); 24 char *strdelim(char **); 25 int set_nonblock(int); 26 int unset_nonblock(int); 27 void set_nodelay(int); 28 int a2port(const char *); 29 int a2tun(const char *, int *); 30 char *put_host_port(const char *, u_short); 31 char *hpdelim(char **); 32 char *cleanhostname(char *); 33 char *colon(char *); 34 long convtime(const char *); 35 char *tilde_expand_filename(const char *, uid_t); 36 char *percent_expand(const char *, ...) __attribute__((__sentinel__)); 37 char *tohex(const void *, size_t); 38 void sanitise_stdfd(void); 39 void ms_subtract_diff(struct timeval *, int *); 40 void ms_to_timeval(struct timeval *, int); 41 42 struct passwd *pwcopy(struct passwd *); 43 const char *ssh_gai_strerror(int); 44 45 typedef struct arglist arglist; 46 struct arglist { 47 char **list; 48 u_int num; 49 u_int nalloc; 50 }; 51 void addargs(arglist *, const char *, ...) 52 __attribute__((__format__(__printf__, 2, 3))); 53 void replacearg(arglist *, u_int, const char *, ...) 54 __attribute__((__format__(__printf__, 3, 4))); 55 void freeargs(arglist *); 56 57 int tun_open(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 */ 97