Mike Lockwood | 1305e95 | 2011-12-07 08:17:59 -0800 | [diff] [blame] | 1 | /* $OpenBSD: misc.h,v 1.48 2011/03/29 18:54:17 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 | /* 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 | /* Common definitions for ssh tunnel device forwarding */ |
| 58 | #define SSH_TUNMODE_NO 0x00 |
| 59 | #define SSH_TUNMODE_POINTOPOINT 0x01 |
| 60 | #define SSH_TUNMODE_ETHERNET 0x02 |
| 61 | #define SSH_TUNMODE_DEFAULT SSH_TUNMODE_POINTOPOINT |
| 62 | #define SSH_TUNMODE_YES (SSH_TUNMODE_POINTOPOINT|SSH_TUNMODE_ETHERNET) |
| 63 | |
| 64 | #define SSH_TUNID_ANY 0x7fffffff |
| 65 | #define SSH_TUNID_ERR (SSH_TUNID_ANY - 1) |
| 66 | #define SSH_TUNID_MAX (SSH_TUNID_ANY - 2) |
| 67 | |
| 68 | /* Functions to extract or store big-endian words of various sizes */ |
| 69 | u_int64_t get_u64(const void *) |
| 70 | __attribute__((__bounded__( __minbytes__, 1, 8))); |
| 71 | u_int32_t get_u32(const void *) |
| 72 | __attribute__((__bounded__( __minbytes__, 1, 4))); |
| 73 | u_int16_t get_u16(const void *) |
| 74 | __attribute__((__bounded__( __minbytes__, 1, 2))); |
| 75 | void put_u64(void *, u_int64_t) |
| 76 | __attribute__((__bounded__( __minbytes__, 1, 8))); |
| 77 | void put_u32(void *, u_int32_t) |
| 78 | __attribute__((__bounded__( __minbytes__, 1, 4))); |
| 79 | void put_u16(void *, u_int16_t) |
| 80 | __attribute__((__bounded__( __minbytes__, 1, 2))); |
| 81 | |
| 82 | struct bwlimit { |
| 83 | size_t buflen; |
| 84 | u_int64_t rate, thresh, lamt; |
| 85 | struct timeval bwstart, bwend; |
| 86 | }; |
| 87 | |
| 88 | void bandwidth_limit_init(struct bwlimit *, u_int64_t, size_t); |
| 89 | void bandwidth_limit(struct bwlimit *, size_t); |
| 90 | |
| 91 | int parse_ipqos(const char *); |
| 92 | const char *iptos2str(int); |
| 93 | void mktemp_proto(char *, size_t); |
| 94 | |
| 95 | /* readpass.c */ |
| 96 | |
| 97 | #define RP_ECHO 0x0001 |
| 98 | #define RP_ALLOW_STDIN 0x0002 |
| 99 | #define RP_ALLOW_EOF 0x0004 |
| 100 | #define RP_USE_ASKPASS 0x0008 |
| 101 | |
| 102 | char *read_passphrase(const char *, int); |
| 103 | int ask_permission(const char *, ...) __attribute__((format(printf, 1, 2))); |
| 104 | int read_keyfile_line(FILE *, const char *, char *, size_t, u_long *); |
| 105 | |
| 106 | #endif /* _MISC_H */ |