Annotation of src/crypto/external/bsd/openssh/dist/misc.h, Revision 1.15
1.8 christos 1: /* $NetBSD: misc.h,v 1.7 2014/10/19 16:30:58 christos Exp $ */
1.15 ! christos 2: /* $OpenBSD: misc.h,v 1.74 2018/07/27 05:13:02 dtucker Exp $ */
1.1 christos 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:
1.11 christos 19: #include <sys/time.h>
1.13 christos 20: #include <sys/types.h>
1.11 christos 21:
1.7 christos 22: /* Data structure for representing a forwarding request. */
23: struct Forward {
24: char *listen_host; /* Host (address) to listen on. */
25: int listen_port; /* Port to forward. */
26: char *listen_path; /* Path to bind domain socket. */
27: char *connect_host; /* Host to connect. */
28: int connect_port; /* Port to connect on connect_host. */
29: char *connect_path; /* Path to connect domain socket. */
30: int allocated_port; /* Dynamically allocated listen port */
31: int handle; /* Handle for dynamic listen ports */
32: };
33:
1.10 christos 34: int forward_equals(const struct Forward *, const struct Forward *);
1.11 christos 35: int daemonized(void);
1.10 christos 36:
1.7 christos 37: /* Common server and client forwarding options. */
38: struct ForwardOptions {
39: int gateway_ports; /* Allow remote connects to forwarded ports. */
40: mode_t streamlocal_bind_mask; /* umask for streamlocal binds */
41: int streamlocal_bind_unlink; /* unlink socket before bind */
42: };
43:
1.1 christos 44: /* misc.c */
45:
46: char *chop(char *);
47: char *strdelim(char **);
1.15 ! christos 48: char *strdelimw(char **);
1.1 christos 49: int set_nonblock(int);
50: int unset_nonblock(int);
51: void set_nodelay(int);
1.14 christos 52: int set_reuseaddr(int);
53: char *get_rdomain(int);
54: int set_rdomain(int, const char *);
1.1 christos 55: int a2port(const char *);
56: int a2tun(const char *, int *);
57: char *put_host_port(const char *, u_short);
58: char *hpdelim(char **);
59: char *cleanhostname(char *);
60: char *colon(char *);
1.14 christos 61: int parse_user_host_path(const char *, char **, char **, const char **);
1.10 christos 62: int parse_user_host_port(const char *, char **, char **, int *);
1.14 christos 63: int parse_uri(const char *, const char *, char **, char **, int *, const char **);
1.1 christos 64: long convtime(const char *);
65: char *tilde_expand_filename(const char *, uid_t);
1.2 christos 66: char *percent_expand(const char *, ...)
67: #if __GNUC_PREREQ__(4, 0)
68: __attribute__((__sentinel__))
69: #endif
70: ;
1.1 christos 71: char *tohex(const void *, size_t);
72: void sanitise_stdfd(void);
1.7 christos 73: struct timeval;
1.1 christos 74: void ms_subtract_diff(struct timeval *, int *);
75: void ms_to_timeval(struct timeval *, int);
1.14 christos 76: void monotime_ts(struct timespec *);
77: void monotime_tv(struct timeval *);
1.6 christos 78: time_t monotime(void);
1.10 christos 79: double monotime_double(void);
1.7 christos 80: void lowercase(char *s);
81: int unix_listener(const char *, int, int);
1.14 christos 82: int valid_domain(char *, int, const char **);
83: const char *atoi_err(const char *, int *);
84: int parse_absolute_time(const char *, uint64_t *);
85: void format_absolute_time(uint64_t, char *, size_t);
1.4 christos 86:
1.7 christos 87: int bcrypt_pbkdf(const char *, size_t, const u_int8_t *, size_t,
88: u_int8_t *, size_t, unsigned int);
1.2 christos 89:
1.1 christos 90: struct passwd *pwcopy(struct passwd *);
91: const char *ssh_gai_strerror(int);
92:
93: typedef struct arglist arglist;
94: struct arglist {
95: char **list;
96: u_int num;
97: u_int nalloc;
98: };
1.4 christos 99: void addargs(arglist *, const char *, ...)
1.1 christos 100: __attribute__((format(printf, 2, 3)));
1.4 christos 101: void replacearg(arglist *, u_int, const char *, ...)
1.1 christos 102: __attribute__((format(printf, 3, 4)));
103: void freeargs(arglist *);
104:
1.14 christos 105: int tun_open(int, int, char **);
1.1 christos 106:
107: /* Common definitions for ssh tunnel device forwarding */
108: #define SSH_TUNMODE_NO 0x00
109: #define SSH_TUNMODE_POINTOPOINT 0x01
110: #define SSH_TUNMODE_ETHERNET 0x02
111: #define SSH_TUNMODE_DEFAULT SSH_TUNMODE_POINTOPOINT
112: #define SSH_TUNMODE_YES (SSH_TUNMODE_POINTOPOINT|SSH_TUNMODE_ETHERNET)
113:
114: #define SSH_TUNID_ANY 0x7fffffff
115: #define SSH_TUNID_ERR (SSH_TUNID_ANY - 1)
116: #define SSH_TUNID_MAX (SSH_TUNID_ANY - 2)
117:
1.7 christos 118: /* Fake port to indicate that host field is really a path. */
119: #define PORT_STREAMLOCAL -2
120:
1.1 christos 121: /* Functions to extract or store big-endian words of various sizes */
122: u_int64_t get_u64(const void *)
1.7 christos 123: __attribute__((__bounded__( __minbytes__, 1, 8)));
1.1 christos 124: u_int32_t get_u32(const void *)
1.7 christos 125: __attribute__((__bounded__( __minbytes__, 1, 4)));
1.1 christos 126: u_int16_t get_u16(const void *)
1.7 christos 127: __attribute__((__bounded__( __minbytes__, 1, 2)));
1.1 christos 128: void put_u64(void *, u_int64_t)
1.7 christos 129: __attribute__((__bounded__( __minbytes__, 1, 8)));
1.1 christos 130: void put_u32(void *, u_int32_t)
1.7 christos 131: __attribute__((__bounded__( __minbytes__, 1, 4)));
1.1 christos 132: void put_u16(void *, u_int16_t)
1.7 christos 133: __attribute__((__bounded__( __minbytes__, 1, 2)));
134:
135: /* Little-endian store/load, used by umac.c */
136: u_int32_t get_u32_le(const void *)
137: __attribute__((__bounded__(__minbytes__, 1, 4)));
138: void put_u32_le(void *, u_int32_t)
139: __attribute__((__bounded__(__minbytes__, 1, 4)));
1.1 christos 140:
1.4 christos 141: struct bwlimit {
142: size_t buflen;
143: u_int64_t rate, thresh, lamt;
144: struct timeval bwstart, bwend;
145: };
146:
147: void bandwidth_limit_init(struct bwlimit *, u_int64_t, size_t);
148: void bandwidth_limit(struct bwlimit *, size_t);
149:
150: int parse_ipqos(const char *);
1.5 christos 151: const char *iptos2str(int);
1.4 christos 152: void mktemp_proto(char *, size_t);
1.1 christos 153:
1.13 christos 154: void child_set_env(char ***envp, u_int *envsizep, const char *name,
155: const char *value);
156:
157: int argv_split(const char *, int *, char ***);
158: char *argv_assemble(int, char **argv);
159: int exited_cleanly(pid_t, const char *, const char *, int);
160:
161: struct stat;
162: int safe_path(const char *, struct stat *, const char *, uid_t,
163: char *, size_t);
164: int safe_path_fd(int, const char *, struct passwd *,
165: char *err, size_t errlen);
166:
1.1 christos 167: /* readpass.c */
168:
169: #define RP_ECHO 0x0001
170: #define RP_ALLOW_STDIN 0x0002
171: #define RP_ALLOW_EOF 0x0004
172: #define RP_USE_ASKPASS 0x0008
173:
174: char *read_passphrase(const char *, int);
175: int ask_permission(const char *, ...) __attribute__((format(printf, 1, 2)));
176:
1.11 christos 177: #define MINIMUM(a, b) (((a) < (b)) ? (a) : (b))
178: #define MAXIMUM(a, b) (((a) > (b)) ? (a) : (b))
179: #define ROUNDUP(x, y) ((((x)+((y)-1))/(y))*(y))
180:
1.1 christos 181: #endif /* _MISC_H */
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