xref: /freebsd/lib/libutil/libutil.h (revision a2aef24aa3c8458e4036735dd6928b4ef77294e5)
1 /*
2  * Copyright (c) 1996  Peter Wemm <peter@FreeBSD.org>.
3  * All rights reserved.
4  * Copyright (c) 2002 Networks Associates Technology, Inc.
5  * All rights reserved.
6  *
7  * Portions of this software were developed for the FreeBSD Project by
8  * ThinkSec AS and NAI Labs, the Security Research Division of Network
9  * Associates, Inc.  under DARPA/SPAWAR contract N66001-01-C-8035
10  * ("CBOSS"), as part of the DARPA CHATS research program.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, is permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. The name of the author may not be used to endorse or promote
21  *    products derived from this software without specific prior written
22  *    permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  * $FreeBSD$
37  */
38 
39 #ifndef _LIBUTIL_H_
40 #define	_LIBUTIL_H_
41 
42 #include <sys/cdefs.h>
43 #include <sys/_types.h>
44 #include <sys/_stdint.h>
45 
46 #ifndef _GID_T_DECLARED
47 typedef	__gid_t		gid_t;
48 #define	_GID_T_DECLARED
49 #endif
50 
51 #ifndef _MODE_T_DECLARED
52 typedef	__mode_t	mode_t;
53 #define	_MODE_T_DECLARED
54 #endif
55 
56 #ifndef _PID_T_DECLARED
57 typedef	__pid_t		pid_t;
58 #define	_PID_T_DECLARED
59 #endif
60 
61 #ifndef _SIZE_T_DECLARED
62 typedef	__size_t	size_t;
63 #define	_SIZE_T_DECLARED
64 #endif
65 
66 #ifndef _UID_T_DECLARED
67 typedef	__uid_t		uid_t;
68 #define	_UID_T_DECLARED
69 #endif
70 
71 #define	PROPERTY_MAX_NAME	64
72 #define	PROPERTY_MAX_VALUE	512
73 
74 /* For properties.c. */
75 typedef struct _property {
76 	struct _property *next;
77 	char	*name;
78 	char	*value;
79 } *properties;
80 
81 /* Avoid pulling in all the include files for no need. */
82 struct in_addr;
83 struct pidfh;
84 struct sockaddr;
85 struct termios;
86 struct winsize;
87 
88 __BEGIN_DECLS
89 char	*auth_getval(const char *_name);
90 void	clean_environment(const char * const *_white,
91 	    const char * const *_more_white);
92 int	expand_number(const char *_buf, uint64_t *_num);
93 int	extattr_namespace_to_string(int _attrnamespace, char **_string);
94 int	extattr_string_to_namespace(const char *_string, int *_attrnamespace);
95 int	flopen(const char *_path, int _flags, ...);
96 int	flopenat(int _dirfd, const char *_path, int _flags, ...);
97 int	forkpty(int *_amaster, char *_name,
98 	    struct termios *_termp, struct winsize *_winp);
99 void	hexdump(const void *_ptr, int _length, const char *_hdr, int _flags);
100 int	humanize_number(char *_buf, size_t _len, int64_t _number,
101 	    const char *_suffix, int _scale, int _flags);
102 struct kinfo_file *
103 	kinfo_getfile(pid_t _pid, int *_cntp);
104 struct kinfo_vmentry *
105 	kinfo_getvmmap(pid_t _pid, int *_cntp);
106 struct kinfo_vmobject *
107 	kinfo_getvmobject(int *_cntp);
108 struct kinfo_proc *
109 	kinfo_getallproc(int *_cntp);
110 struct kinfo_proc *
111 	kinfo_getproc(pid_t _pid);
112 int	kld_isloaded(const char *_name);
113 int	kld_load(const char *_name);
114 int	login_tty(int _fd);
115 int	openpty(int *_amaster, int *_aslave, char *_name,
116 	    struct termios *_termp, struct winsize *_winp);
117 int	pidfile_close(struct pidfh *_pfh);
118 int	pidfile_fileno(const struct pidfh *_pfh);
119 struct pidfh *
120 	pidfile_open(const char *_path, mode_t _mode, pid_t *_pidptr);
121 int	pidfile_remove(struct pidfh *_pfh);
122 int	pidfile_write(struct pidfh *_pfh);
123 void	properties_free(properties _list);
124 char	*property_find(properties _list, const char *_name);
125 properties
126 	properties_read(int _fd);
127 int	realhostname(char *_host, size_t _hsize, const struct in_addr *_ip);
128 int	realhostname_sa(char *_host, size_t _hsize, struct sockaddr *_addr,
129 	    int _addrlen);
130 int	_secure_path(const char *_path, uid_t _uid, gid_t _gid);
131 void	trimdomain(char *_fullhost, int _hostsize);
132 const char *
133 	uu_lockerr(int _uu_lockresult);
134 int	uu_lock(const char *_ttyname);
135 int	uu_unlock(const char *_ttyname);
136 int	uu_lock_txfr(const char *_ttyname, pid_t _pid);
137 
138 /*
139  * Conditionally prototype the following functions if the include
140  * files upon which they depend have been included.
141  */
142 #ifdef _STDIO_H_
143 char	*fparseln(FILE *_fp, size_t *_len, size_t *_lineno,
144 	    const char _delim[3], int _flags);
145 #endif
146 
147 #ifdef _PWD_H_
148 int	pw_copy(int _ffd, int _tfd, const struct passwd *_pw,
149 	    struct passwd *_old_pw);
150 struct passwd
151 	*pw_dup(const struct passwd *_pw);
152 int	pw_edit(int _notsetuid);
153 int	pw_equal(const struct passwd *_pw1, const struct passwd *_pw2);
154 void	pw_fini(void);
155 int	pw_init(const char *_dir, const char *_master);
156 char	*pw_make(const struct passwd *_pw);
157 char	*pw_make_v7(const struct passwd *_pw);
158 int	pw_mkdb(const char *_user);
159 int	pw_lock(void);
160 struct passwd *
161 	pw_scan(const char *_line, int _flags);
162 const char *
163 	pw_tempname(void);
164 int	pw_tmp(int _mfd);
165 #endif
166 
167 #ifdef _GRP_H_
168 int 	gr_copy(int __ffd, int _tfd, const struct group *_gr,
169 	    struct group *_old_gr);
170 struct group *
171 	gr_dup(const struct group *_gr);
172 struct group *
173 	gr_add(const struct group *_gr, const char *_newmember);
174 int	gr_equal(const struct group *_gr1, const struct group *_gr2);
175 void	gr_fini(void);
176 int	gr_init(const char *_dir, const char *_master);
177 int	gr_lock(void);
178 char	*gr_make(const struct group *_gr);
179 int	gr_mkdb(void);
180 struct group *
181 	gr_scan(const char *_line);
182 int	gr_tmp(int _mdf);
183 #endif
184 
185 #ifdef _UFS_UFS_QUOTA_H_
186 struct fstab;
187 struct quotafile;
188 int	quota_check_path(const struct quotafile *_qf, const char *_path);
189 void	quota_close(struct quotafile *_qf);
190 int	quota_convert(struct quotafile *_qf, int _wordsize);
191 const char *
192 	quota_fsname(const struct quotafile *_qf);
193 int	quota_maxid(struct quotafile *_qf);
194 int	quota_off(struct quotafile *_qf);
195 int	quota_on(struct quotafile *_qf);
196 struct quotafile *
197 	quota_open(struct fstab *_fs, int _quotatype, int _openflags);
198 const char *
199 	quota_qfname(const struct quotafile *_qf);
200 int	quota_read(struct quotafile *_qf, struct dqblk *_dqb, int _id);
201 int	quota_write_limits(struct quotafile *_qf, struct dqblk *_dqb, int _id);
202 int	quota_write_usage(struct quotafile *_qf, struct dqblk *_dqb, int _id);
203 #endif
204 
205 __END_DECLS
206 
207 /* fparseln(3) */
208 #define	FPARSELN_UNESCESC	0x01
209 #define	FPARSELN_UNESCCONT	0x02
210 #define	FPARSELN_UNESCCOMM	0x04
211 #define	FPARSELN_UNESCREST	0x08
212 #define	FPARSELN_UNESCALL	0x0f
213 
214 /* Flags for hexdump(3). */
215 #define	HD_COLUMN_MASK		0xff
216 #define	HD_DELIM_MASK		0xff00
217 #define	HD_OMIT_COUNT		(1 << 16)
218 #define	HD_OMIT_HEX		(1 << 17)
219 #define	HD_OMIT_CHARS		(1 << 18)
220 
221 /* Values for humanize_number(3)'s flags parameter. */
222 #define	HN_DECIMAL		0x01
223 #define	HN_NOSPACE		0x02
224 #define	HN_B			0x04
225 #define	HN_DIVISOR_1000		0x08
226 #define	HN_IEC_PREFIXES		0x10
227 
228 /* Values for humanize_number(3)'s scale parameter. */
229 #define	HN_GETSCALE		0x10
230 #define	HN_AUTOSCALE		0x20
231 
232 /* Return values from realhostname(). */
233 #define	HOSTNAME_FOUND		0
234 #define	HOSTNAME_INCORRECTNAME	1
235 #define	HOSTNAME_INVALIDADDR	2
236 #define	HOSTNAME_INVALIDNAME	3
237 
238 /* Flags for pw_scan(). */
239 #define	PWSCAN_MASTER		0x01
240 #define	PWSCAN_WARN		0x02
241 
242 /* Return values from uu_lock(). */
243 #define	UU_LOCK_INUSE		1
244 #define	UU_LOCK_OK		0
245 #define	UU_LOCK_OPEN_ERR	(-1)
246 #define	UU_LOCK_READ_ERR	(-2)
247 #define	UU_LOCK_CREAT_ERR	(-3)
248 #define	UU_LOCK_WRITE_ERR	(-4)
249 #define	UU_LOCK_LINK_ERR	(-5)
250 #define	UU_LOCK_TRY_ERR		(-6)
251 #define	UU_LOCK_OWNER_ERR	(-7)
252 
253 #endif /* !_LIBUTIL_H_ */
254