1 /* $NetBSD: misc.h,v 1.3 2010/11/21 18:29:48 adam Exp $ */ 2 /* $OpenBSD: misc.h,v 1.43 2010/07/13 23:13:16 djm Exp $ */ 3 4 /* 5 * Author: Tatu Ylonen <ylo@cs.hut.fi> 6 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 7 * All rights reserved 8 * 9 * As far as I am concerned, the code I have written for this software 10 * can be used freely for any purpose. Any derived versions of this 11 * software must be clearly marked as such, and if the derived work is 12 * incompatible with the protocol description in the RFC file, it must be 13 * called by a name other than "ssh" or "Secure Shell". 14 */ 15 16 #ifndef _MISC_H 17 #define _MISC_H 18 19 /* misc.c */ 20 21 char *chop(char *); 22 char *strdelim(char **); 23 int set_nonblock(int); 24 int unset_nonblock(int); 25 void set_nodelay(int); 26 int a2port(const char *); 27 int a2tun(const char *, int *); 28 char *put_host_port(const char *, u_short); 29 char *hpdelim(char **); 30 char *cleanhostname(char *); 31 char *colon(char *); 32 long convtime(const char *); 33 char *tilde_expand_filename(const char *, uid_t); 34 char *percent_expand(const char *, ...) 35 #if __GNUC_PREREQ__(4, 0) 36 __attribute__((__sentinel__)) 37 #endif 38 ; 39 char *tohex(const void *, size_t); 40 void sanitise_stdfd(void); 41 void ms_subtract_diff(struct timeval *, int *); 42 void ms_to_timeval(struct timeval *, int); 43 int timingsafe_bcmp(const void *, const void *, size_t); 44 45 long long strtonum(const char *, long long, long long, const char **); 46 47 struct passwd *pwcopy(struct passwd *); 48 const char *ssh_gai_strerror(int); 49 50 typedef struct arglist arglist; 51 struct arglist { 52 char **list; 53 u_int num; 54 u_int nalloc; 55 }; 56 void addargs(arglist *, char *, ...) 57 __attribute__((format(printf, 2, 3))); 58 void replacearg(arglist *, u_int, char *, ...) 59 __attribute__((format(printf, 3, 4))); 60 void freeargs(arglist *); 61 62 int tun_open(int, int); 63 64 /* Common definitions for ssh tunnel device forwarding */ 65 #define SSH_TUNMODE_NO 0x00 66 #define SSH_TUNMODE_POINTOPOINT 0x01 67 #define SSH_TUNMODE_ETHERNET 0x02 68 #define SSH_TUNMODE_DEFAULT SSH_TUNMODE_POINTOPOINT 69 #define SSH_TUNMODE_YES (SSH_TUNMODE_POINTOPOINT|SSH_TUNMODE_ETHERNET) 70 71 #define SSH_TUNID_ANY 0x7fffffff 72 #define SSH_TUNID_ERR (SSH_TUNID_ANY - 1) 73 #define SSH_TUNID_MAX (SSH_TUNID_ANY - 2) 74 75 /* Functions to extract or store big-endian words of various sizes */ 76 u_int64_t get_u64(const void *) 77 #ifdef __OpenBSD__ 78 __attribute__((__bounded__( __minbytes__, 1, 8))) 79 #endif 80 ; 81 u_int32_t get_u32(const void *) 82 #ifdef __OpenBSD__ 83 __attribute__((__bounded__( __minbytes__, 1, 4))) 84 #endif 85 ; 86 u_int16_t get_u16(const void *) 87 #ifdef __OpenBSD__ 88 __attribute__((__bounded__( __minbytes__, 1, 2))) 89 #endif 90 ; 91 void put_u64(void *, u_int64_t) 92 #ifdef __OpenBSD__ 93 __attribute__((__bounded__( __minbytes__, 1, 8))) 94 #endif 95 ; 96 void put_u32(void *, u_int32_t) 97 #ifdef __OpenBSD__ 98 __attribute__((__bounded__( __minbytes__, 1, 4))) 99 #endif 100 ; 101 void put_u16(void *, u_int16_t) 102 #ifdef __OpenBSD__ 103 __attribute__((__bounded__( __minbytes__, 1, 2))) 104 #endif 105 ; 106 107 108 /* readpass.c */ 109 110 #define RP_ECHO 0x0001 111 #define RP_ALLOW_STDIN 0x0002 112 #define RP_ALLOW_EOF 0x0004 113 #define RP_USE_ASKPASS 0x0008 114 115 char *read_passphrase(const char *, int); 116 int ask_permission(const char *, ...) __attribute__((format(printf, 1, 2))); 117 int read_keyfile_line(FILE *, const char *, char *, size_t, u_long *); 118 119 #endif /* _MISC_H */ 120