xref: /freebsd/lib/libutil/libutil.h (revision 4d846d260e2b9a3d4d0a701462568268cbfe7a5b)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1996  Peter Wemm <peter@FreeBSD.org>.
5  * All rights reserved.
6  * Copyright (c) 2002 Networks Associates Technology, Inc.
7  * All rights reserved.
8  *
9  * Portions of this software were developed for the FreeBSD Project by
10  * ThinkSec AS and NAI Labs, the Security Research Division of Network
11  * Associates, Inc.  under DARPA/SPAWAR contract N66001-01-C-8035
12  * ("CBOSS"), as part of the DARPA CHATS research program.
13  *
14  * Redistribution and use in source and binary forms, with or without
15  * modification, is permitted provided that the following conditions
16  * are met:
17  * 1. Redistributions of source code must retain the above copyright
18  *    notice, this list of conditions and the following disclaimer.
19  * 2. Redistributions in binary form must reproduce the above copyright
20  *    notice, this list of conditions and the following disclaimer in the
21  *    documentation and/or other materials provided with the distribution.
22  * 3. The name of the author may not be used to endorse or promote
23  *    products derived from this software without specific prior written
24  *    permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36  * SUCH DAMAGE.
37  *
38  * $FreeBSD$
39  */
40 
41 #ifndef _LIBUTIL_H_
42 #define	_LIBUTIL_H_
43 
44 #include <sys/cdefs.h>
45 #include <sys/_types.h>
46 #include <sys/_stdint.h>
47 
48 #ifndef _GID_T_DECLARED
49 typedef	__gid_t		gid_t;
50 #define	_GID_T_DECLARED
51 #endif
52 
53 #ifndef _MODE_T_DECLARED
54 typedef	__mode_t	mode_t;
55 #define	_MODE_T_DECLARED
56 #endif
57 
58 #ifndef _PID_T_DECLARED
59 typedef	__pid_t		pid_t;
60 #define	_PID_T_DECLARED
61 #endif
62 
63 #ifndef _SIZE_T_DECLARED
64 typedef	__size_t	size_t;
65 #define	_SIZE_T_DECLARED
66 #endif
67 
68 #ifndef _UID_T_DECLARED
69 typedef	__uid_t		uid_t;
70 #define	_UID_T_DECLARED
71 #endif
72 
73 #define	PROPERTY_MAX_NAME	64
74 #define	PROPERTY_MAX_VALUE	512
75 
76 /* For properties.c. */
77 typedef struct _property {
78 	struct _property *next;
79 	char	*name;
80 	char	*value;
81 } *properties;
82 
83 /* Avoid pulling in all the include files for no need. */
84 struct in_addr;
85 struct pidfh;
86 struct sockaddr;
87 struct termios;
88 struct winsize;
89 
90 __BEGIN_DECLS
91 char	*auth_getval(const char *_name);
92 void	clean_environment(const char * const *_white,
93 	    const char * const *_more_white);
94 int	expand_number(const char *_buf, uint64_t *_num);
95 int	extattr_namespace_to_string(int _attrnamespace, char **_string);
96 int	extattr_string_to_namespace(const char *_string, int *_attrnamespace);
97 int	flopen(const char *_path, int _flags, ...);
98 int	flopenat(int _dirfd, const char *_path, int _flags, ...);
99 int	forkpty(int *_amaster, char *_name,
100 	    struct termios *_termp, struct winsize *_winp);
101 const char *
102 	getlocalbase(void);
103 void	hexdump(const void *_ptr, int _length, const char *_hdr, int _flags);
104 int	humanize_number(char *_buf, size_t _len, int64_t _number,
105 	    const char *_suffix, int _scale, int _flags);
106 struct kinfo_file *
107 	kinfo_getfile(pid_t _pid, int *_cntp);
108 struct kinfo_vmentry *
109 	kinfo_getvmmap(pid_t _pid, int *_cntp);
110 struct kinfo_vmobject *
111 	kinfo_getvmobject(int *_cntp);
112 struct kinfo_vmobject *
113 	kinfo_getswapvmobject(int *_cntp);
114 struct kinfo_proc *
115 	kinfo_getallproc(int *_cntp);
116 struct kinfo_proc *
117 	kinfo_getproc(pid_t _pid);
118 int	kld_isloaded(const char *_name);
119 int	kld_load(const char *_name);
120 int	login_tty(int _fd);
121 int	openpty(int *_amaster, int *_aslave, char *_name,
122 	    struct termios *_termp, struct winsize *_winp);
123 int	pidfile_close(struct pidfh *_pfh);
124 int	pidfile_fileno(const struct pidfh *_pfh);
125 int	pidfile_signal(const char *pathp, int sig, pid_t *pidptr);
126 struct pidfh *
127 	pidfile_open(const char *_path, mode_t _mode, pid_t *_pidptr);
128 int	pidfile_remove(struct pidfh *_pfh);
129 int	pidfile_write(struct pidfh *_pfh);
130 void	properties_free(properties _list);
131 char	*property_find(properties _list, const char *_name);
132 properties
133 	properties_read(int _fd);
134 int	realhostname(char *_host, size_t _hsize, const struct in_addr *_ip);
135 int	realhostname_sa(char *_host, size_t _hsize, struct sockaddr *_addr,
136 	    int _addrlen);
137 int	_secure_path(const char *_path, uid_t _uid, gid_t _gid);
138 void	trimdomain(char *_fullhost, int _hostsize);
139 const char *
140 	uu_lockerr(int _uu_lockresult);
141 int	uu_lock(const char *_ttyname);
142 int	uu_unlock(const char *_ttyname);
143 int	uu_lock_txfr(const char *_ttyname, pid_t _pid);
144 
145 /*
146  * Conditionally prototype the following functions if the include
147  * files upon which they depend have been included.
148  */
149 #ifdef _STDIO_H_
150 char	*fparseln(FILE *_fp, size_t *_len, size_t *_lineno,
151 	    const char _delim[3], int _flags);
152 #endif
153 
154 #ifdef _PWD_H_
155 int	pw_copy(int _ffd, int _tfd, const struct passwd *_pw,
156 	    struct passwd *_old_pw);
157 struct passwd
158 	*pw_dup(const struct passwd *_pw);
159 int	pw_edit(int _notsetuid);
160 int	pw_equal(const struct passwd *_pw1, const struct passwd *_pw2);
161 void	pw_fini(void);
162 int	pw_init(const char *_dir, const char *_master);
163 void	pw_initpwd(struct passwd *_pw);
164 char	*pw_make(const struct passwd *_pw);
165 char	*pw_make_v7(const struct passwd *_pw);
166 int	pw_mkdb(const char *_user);
167 int	pw_lock(void);
168 struct passwd *
169 	pw_scan(const char *_line, int _flags);
170 const char *
171 	pw_tempname(void);
172 int	pw_tmp(int _mfd);
173 #endif
174 
175 #ifdef _GRP_H_
176 int 	gr_copy(int __ffd, int _tfd, const struct group *_gr,
177 	    struct group *_old_gr);
178 struct group *
179 	gr_dup(const struct group *_gr);
180 struct group *
181 	gr_add(const struct group *_gr, const char *_newmember);
182 int	gr_equal(const struct group *_gr1, const struct group *_gr2);
183 void	gr_fini(void);
184 int	gr_init(const char *_dir, const char *_master);
185 int	gr_lock(void);
186 char	*gr_make(const struct group *_gr);
187 int	gr_mkdb(void);
188 struct group *
189 	gr_scan(const char *_line);
190 int	gr_tmp(int _mdf);
191 #endif
192 
193 #ifdef _UFS_UFS_QUOTA_H_
194 struct fstab;
195 struct quotafile;
196 int	quota_check_path(const struct quotafile *_qf, const char *_path);
197 void	quota_close(struct quotafile *_qf);
198 int	quota_convert(struct quotafile *_qf, int _wordsize);
199 const char *
200 	quota_fsname(const struct quotafile *_qf);
201 int	quota_maxid(struct quotafile *_qf);
202 int	quota_off(struct quotafile *_qf);
203 int	quota_on(struct quotafile *_qf);
204 struct quotafile *
205 	quota_open(struct fstab *_fs, int _quotatype, int _openflags);
206 const char *
207 	quota_qfname(const struct quotafile *_qf);
208 int	quota_read(struct quotafile *_qf, struct dqblk *_dqb, int _id);
209 int	quota_write_limits(struct quotafile *_qf, struct dqblk *_dqb, int _id);
210 int	quota_write_usage(struct quotafile *_qf, struct dqblk *_dqb, int _id);
211 #endif
212 
213 __END_DECLS
214 
215 /* fparseln(3) */
216 #define	FPARSELN_UNESCESC	0x01
217 #define	FPARSELN_UNESCCONT	0x02
218 #define	FPARSELN_UNESCCOMM	0x04
219 #define	FPARSELN_UNESCREST	0x08
220 #define	FPARSELN_UNESCALL	0x0f
221 
222 /* Flags for hexdump(3). */
223 #define	HD_COLUMN_MASK		0xff
224 #define	HD_DELIM_MASK		0xff00
225 #define	HD_OMIT_COUNT		(1 << 16)
226 #define	HD_OMIT_HEX		(1 << 17)
227 #define	HD_OMIT_CHARS		(1 << 18)
228 
229 /* Values for humanize_number(3)'s flags parameter. */
230 #define	HN_DECIMAL		0x01
231 #define	HN_NOSPACE		0x02
232 #define	HN_B			0x04
233 #define	HN_DIVISOR_1000		0x08
234 #define	HN_IEC_PREFIXES		0x10
235 
236 /* Values for humanize_number(3)'s scale parameter. */
237 #define	HN_GETSCALE		0x10
238 #define	HN_AUTOSCALE		0x20
239 
240 /* Return values from realhostname(). */
241 #define	HOSTNAME_FOUND		0
242 #define	HOSTNAME_INCORRECTNAME	1
243 #define	HOSTNAME_INVALIDADDR	2
244 #define	HOSTNAME_INVALIDNAME	3
245 
246 /* Flags for pw_scan(). */
247 #define	PWSCAN_MASTER		0x01
248 #define	PWSCAN_WARN		0x02
249 
250 /* Return values from uu_lock(). */
251 #define	UU_LOCK_INUSE		1
252 #define	UU_LOCK_OK		0
253 #define	UU_LOCK_OPEN_ERR	(-1)
254 #define	UU_LOCK_READ_ERR	(-2)
255 #define	UU_LOCK_CREAT_ERR	(-3)
256 #define	UU_LOCK_WRITE_ERR	(-4)
257 #define	UU_LOCK_LINK_ERR	(-5)
258 #define	UU_LOCK_TRY_ERR		(-6)
259 #define	UU_LOCK_OWNER_ERR	(-7)
260 
261 #endif /* !_LIBUTIL_H_ */
262