You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
150 lines
4.8 KiB
150 lines
4.8 KiB
/* $OpenBSD: misc.h,v 1.61 2016/11/30 00:28:31 dtucker Exp $ */ |
|
|
|
/* |
|
* Author: Tatu Ylonen <ylo@cs.hut.fi> |
|
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
|
* All rights reserved |
|
* |
|
* As far as I am concerned, the code I have written for this software |
|
* can be used freely for any purpose. Any derived versions of this |
|
* software must be clearly marked as such, and if the derived work is |
|
* incompatible with the protocol description in the RFC file, it must be |
|
* called by a name other than "ssh" or "Secure Shell". |
|
*/ |
|
|
|
#ifndef _MISC_H |
|
#define _MISC_H |
|
|
|
#include <sys/time.h> |
|
|
|
/* Data structure for representing a forwarding request. */ |
|
struct Forward { |
|
char *listen_host; /* Host (address) to listen on. */ |
|
int listen_port; /* Port to forward. */ |
|
char *listen_path; /* Path to bind domain socket. */ |
|
char *connect_host; /* Host to connect. */ |
|
int connect_port; /* Port to connect on connect_host. */ |
|
char *connect_path; /* Path to connect domain socket. */ |
|
int allocated_port; /* Dynamically allocated listen port */ |
|
int handle; /* Handle for dynamic listen ports */ |
|
}; |
|
|
|
int forward_equals(const struct Forward *, const struct Forward *); |
|
int bind_permitted(int, uid_t); |
|
int daemonized(void); |
|
|
|
/* Common server and client forwarding options. */ |
|
struct ForwardOptions { |
|
int gateway_ports; /* Allow remote connects to forwarded ports. */ |
|
mode_t streamlocal_bind_mask; /* umask for streamlocal binds */ |
|
int streamlocal_bind_unlink; /* unlink socket before bind */ |
|
}; |
|
|
|
/* misc.c */ |
|
|
|
char *chop(char *); |
|
char *strdelim(char **); |
|
int set_nonblock(int); |
|
int unset_nonblock(int); |
|
void set_nodelay(int); |
|
int a2port(const char *); |
|
int a2tun(const char *, int *); |
|
char *put_host_port(const char *, u_short); |
|
char *hpdelim(char **); |
|
char *cleanhostname(char *); |
|
char *colon(char *); |
|
int parse_user_host_port(const char *, char **, char **, int *); |
|
long convtime(const char *); |
|
char *tilde_expand_filename(const char *, uid_t); |
|
char *percent_expand(const char *, ...) __attribute__((__sentinel__)); |
|
char *tohex(const void *, size_t); |
|
void sanitise_stdfd(void); |
|
void ms_subtract_diff(struct timeval *, int *); |
|
void ms_to_timeval(struct timeval *, int); |
|
time_t monotime(void); |
|
double monotime_double(void); |
|
void lowercase(char *s); |
|
int unix_listener(const char *, int, int); |
|
|
|
void sock_set_v6only(int); |
|
|
|
struct passwd *pwcopy(struct passwd *); |
|
const char *ssh_gai_strerror(int); |
|
|
|
typedef struct arglist arglist; |
|
struct arglist { |
|
char **list; |
|
u_int num; |
|
u_int nalloc; |
|
}; |
|
void addargs(arglist *, char *, ...) |
|
__attribute__((format(printf, 2, 3))); |
|
void replacearg(arglist *, u_int, char *, ...) |
|
__attribute__((format(printf, 3, 4))); |
|
void freeargs(arglist *); |
|
|
|
int tun_open(int, int); |
|
|
|
/* Common definitions for ssh tunnel device forwarding */ |
|
#define SSH_TUNMODE_NO 0x00 |
|
#define SSH_TUNMODE_POINTOPOINT 0x01 |
|
#define SSH_TUNMODE_ETHERNET 0x02 |
|
#define SSH_TUNMODE_DEFAULT SSH_TUNMODE_POINTOPOINT |
|
#define SSH_TUNMODE_YES (SSH_TUNMODE_POINTOPOINT|SSH_TUNMODE_ETHERNET) |
|
|
|
#define SSH_TUNID_ANY 0x7fffffff |
|
#define SSH_TUNID_ERR (SSH_TUNID_ANY - 1) |
|
#define SSH_TUNID_MAX (SSH_TUNID_ANY - 2) |
|
|
|
/* Fake port to indicate that host field is really a path. */ |
|
#define PORT_STREAMLOCAL -2 |
|
|
|
/* Functions to extract or store big-endian words of various sizes */ |
|
u_int64_t get_u64(const void *) |
|
__attribute__((__bounded__( __minbytes__, 1, 8))); |
|
u_int32_t get_u32(const void *) |
|
__attribute__((__bounded__( __minbytes__, 1, 4))); |
|
u_int16_t get_u16(const void *) |
|
__attribute__((__bounded__( __minbytes__, 1, 2))); |
|
void put_u64(void *, u_int64_t) |
|
__attribute__((__bounded__( __minbytes__, 1, 8))); |
|
void put_u32(void *, u_int32_t) |
|
__attribute__((__bounded__( __minbytes__, 1, 4))); |
|
void put_u16(void *, u_int16_t) |
|
__attribute__((__bounded__( __minbytes__, 1, 2))); |
|
|
|
/* Little-endian store/load, used by umac.c */ |
|
u_int32_t get_u32_le(const void *) |
|
__attribute__((__bounded__(__minbytes__, 1, 4))); |
|
void put_u32_le(void *, u_int32_t) |
|
__attribute__((__bounded__(__minbytes__, 1, 4))); |
|
|
|
struct bwlimit { |
|
size_t buflen; |
|
u_int64_t rate, thresh, lamt; |
|
struct timeval bwstart, bwend; |
|
}; |
|
|
|
void bandwidth_limit_init(struct bwlimit *, u_int64_t, size_t); |
|
void bandwidth_limit(struct bwlimit *, size_t); |
|
|
|
int parse_ipqos(const char *); |
|
const char *iptos2str(int); |
|
void mktemp_proto(char *, size_t); |
|
|
|
/* readpass.c */ |
|
|
|
#define RP_ECHO 0x0001 |
|
#define RP_ALLOW_STDIN 0x0002 |
|
#define RP_ALLOW_EOF 0x0004 |
|
#define RP_USE_ASKPASS 0x0008 |
|
|
|
char *read_passphrase(const char *, int); |
|
int ask_permission(const char *, ...) __attribute__((format(printf, 1, 2))); |
|
int read_keyfile_line(FILE *, const char *, char *, size_t, u_long *); |
|
|
|
#define MINIMUM(a, b) (((a) < (b)) ? (a) : (b)) |
|
#define MAXIMUM(a, b) (((a) > (b)) ? (a) : (b)) |
|
#define ROUNDUP(x, y) ((((x)+((y)-1))/(y))*(y)) |
|
|
|
#endif /* _MISC_H */
|
|
|