1 /* $OpenBSD: misc.h,v 1.50 2013/10/14 23:28:23 djm Exp $ */ 2 /* $FreeBSD$ */ 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 *, ...) __attribute__((__sentinel__)); 35 char *tohex(const void *, size_t); 36 void sanitise_stdfd(void); 37 void ms_subtract_diff(struct timeval *, int *); 38 void ms_to_timeval(struct timeval *, int); 39 time_t monotime(void); 40 void lowercase(char *s); 41 42 void sock_set_v6only(int); 43 void sock_get_rcvbuf(int *, int); 44 45 struct passwd *pwcopy(struct passwd *); 46 const char *ssh_gai_strerror(int); 47 48 typedef struct arglist arglist; 49 struct arglist { 50 char **list; 51 u_int num; 52 u_int nalloc; 53 }; 54 void addargs(arglist *, char *, ...) 55 __attribute__((format(printf, 2, 3))); 56 void replacearg(arglist *, u_int, char *, ...) 57 __attribute__((format(printf, 3, 4))); 58 void freeargs(arglist *); 59 60 int tun_open(int, int); 61 62 /* Common definitions for ssh tunnel device forwarding */ 63 #define SSH_TUNMODE_NO 0x00 64 #define SSH_TUNMODE_POINTOPOINT 0x01 65 #define SSH_TUNMODE_ETHERNET 0x02 66 #define SSH_TUNMODE_DEFAULT SSH_TUNMODE_POINTOPOINT 67 #define SSH_TUNMODE_YES (SSH_TUNMODE_POINTOPOINT|SSH_TUNMODE_ETHERNET) 68 69 #define SSH_TUNID_ANY 0x7fffffff 70 #define SSH_TUNID_ERR (SSH_TUNID_ANY - 1) 71 #define SSH_TUNID_MAX (SSH_TUNID_ANY - 2) 72 73 /* Functions to extract or store big-endian words of various sizes */ 74 u_int64_t get_u64(const void *) 75 __attribute__((__bounded__( __minbytes__, 1, 8))); 76 u_int32_t get_u32(const void *) 77 __attribute__((__bounded__( __minbytes__, 1, 4))); 78 u_int16_t get_u16(const void *) 79 __attribute__((__bounded__( __minbytes__, 1, 2))); 80 void put_u64(void *, u_int64_t) 81 __attribute__((__bounded__( __minbytes__, 1, 8))); 82 void put_u32(void *, u_int32_t) 83 __attribute__((__bounded__( __minbytes__, 1, 4))); 84 void put_u16(void *, u_int16_t) 85 __attribute__((__bounded__( __minbytes__, 1, 2))); 86 87 struct bwlimit { 88 size_t buflen; 89 u_int64_t rate, thresh, lamt; 90 struct timeval bwstart, bwend; 91 }; 92 93 void bandwidth_limit_init(struct bwlimit *, u_int64_t, size_t); 94 void bandwidth_limit(struct bwlimit *, size_t); 95 96 int parse_ipqos(const char *); 97 const char *iptos2str(int); 98 void mktemp_proto(char *, size_t); 99 100 /* readpass.c */ 101 102 #define RP_ECHO 0x0001 103 #define RP_ALLOW_STDIN 0x0002 104 #define RP_ALLOW_EOF 0x0004 105 #define RP_USE_ASKPASS 0x0008 106 107 char *read_passphrase(const char *, int); 108 int ask_permission(const char *, ...) __attribute__((format(printf, 1, 2))); 109 int read_keyfile_line(FILE *, const char *, char *, size_t, u_long *); 110 111 #endif /* _MISC_H */ 112