mirror of
git://anongit.mindrot.org/openssh.git
synced 2024-12-22 10:00:14 +00:00
8075fccbd4
(reallocating as necessary). ok aja@ as part of a larger diff OpenBSD-Commit-ID: 30796b50d330b3e0e201747fe40cdf9aa70a77f9
198 lines
6.6 KiB
C
198 lines
6.6 KiB
C
/* $OpenBSD: misc.h,v 1.84 2020/01/24 23:54:40 djm 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>
|
|
#include <sys/types.h>
|
|
#include <sys/socket.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 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 *);
|
|
void skip_space(char **);
|
|
char *strdelim(char **);
|
|
char *strdelimw(char **);
|
|
int set_nonblock(int);
|
|
int unset_nonblock(int);
|
|
void set_nodelay(int);
|
|
int set_reuseaddr(int);
|
|
char *get_rdomain(int);
|
|
int set_rdomain(int, const char *);
|
|
int waitrfd(int, int *);
|
|
int timeout_connect(int, const struct sockaddr *, socklen_t, int *);
|
|
int a2port(const char *);
|
|
int a2tun(const char *, int *);
|
|
char *put_host_port(const char *, u_short);
|
|
char *hpdelim2(char **, char *);
|
|
char *hpdelim(char **);
|
|
char *cleanhostname(char *);
|
|
char *colon(char *);
|
|
int parse_user_host_path(const char *, char **, char **, char **);
|
|
int parse_user_host_port(const char *, char **, char **, int *);
|
|
int parse_uri(const char *, const char *, char **, char **, int *, char **);
|
|
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 xextendf(char **s, const char *sep, const char *fmt, ...)
|
|
__attribute__((__format__ (printf, 3, 4))) __attribute__((__nonnull__ (3)));
|
|
void sanitise_stdfd(void);
|
|
void ms_subtract_diff(struct timeval *, int *);
|
|
void ms_to_timeval(struct timeval *, int);
|
|
void monotime_ts(struct timespec *);
|
|
void monotime_tv(struct timeval *);
|
|
time_t monotime(void);
|
|
double monotime_double(void);
|
|
void lowercase(char *s);
|
|
int unix_listener(const char *, int, int);
|
|
int valid_domain(char *, int, const char **);
|
|
int valid_env_name(const char *);
|
|
const char *atoi_err(const char *, int *);
|
|
int parse_absolute_time(const char *, uint64_t *);
|
|
void format_absolute_time(uint64_t, char *, size_t);
|
|
int path_absolute(const char *);
|
|
|
|
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, char **);
|
|
|
|
/* 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; /* desired rate in kbit/s */
|
|
u_int64_t thresh; /* threshold after which we'll check timers */
|
|
u_int64_t lamt; /* amount written in last timer interval */
|
|
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);
|
|
|
|
void child_set_env(char ***envp, u_int *envsizep, const char *name,
|
|
const char *value);
|
|
|
|
int argv_split(const char *, int *, char ***);
|
|
char *argv_assemble(int, char **argv);
|
|
int exited_cleanly(pid_t, const char *, const char *, int);
|
|
|
|
struct stat;
|
|
int safe_path(const char *, struct stat *, const char *, uid_t,
|
|
char *, size_t);
|
|
int safe_path_fd(int, const char *, struct passwd *,
|
|
char *err, size_t errlen);
|
|
|
|
/* authorized_key-style options parsing helpers */
|
|
int opt_flag(const char *opt, int allow_negate, const char **optsp);
|
|
char *opt_dequote(const char **sp, const char **errstrp);
|
|
int opt_match(const char **opts, const char *term);
|
|
|
|
/* readpass.c */
|
|
|
|
#define RP_ECHO 0x0001
|
|
#define RP_ALLOW_STDIN 0x0002
|
|
#define RP_ALLOW_EOF 0x0004
|
|
#define RP_USE_ASKPASS 0x0008
|
|
|
|
struct notifier_ctx;
|
|
|
|
char *read_passphrase(const char *, int);
|
|
int ask_permission(const char *, ...) __attribute__((format(printf, 1, 2)));
|
|
struct notifier_ctx *notify_start(int, const char *, ...)
|
|
__attribute__((format(printf, 2, 3)));
|
|
void notify_complete(struct notifier_ctx *);
|
|
|
|
#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))
|
|
|
|
typedef void (*sshsig_t)(int);
|
|
sshsig_t ssh_signal(int, sshsig_t);
|
|
#endif /* _MISC_H */
|