libutil/libutil.h

   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 void    hexdump(const void *_ptr, int _length, const char *_hdr, int _flags);
 102 int     humanize_number(char *_buf, size_t _len, int64_t _number,
 103             const char *_suffix, int _scale, int _flags);
 104 struct kinfo_file *
 105         kinfo_getfile(pid_t _pid, int *_cntp);
 106 struct kinfo_vmentry *
 107         kinfo_getvmmap(pid_t _pid, int *_cntp);
 108 struct kinfo_vmobject *
 109         kinfo_getvmobject(int *_cntp);
 110 struct kinfo_proc *
 111         kinfo_getallproc(int *_cntp);
 112 struct kinfo_proc *
 113         kinfo_getproc(pid_t _pid);
 114 int     kld_isloaded(const char *_name);
 115 int     kld_load(const char *_name);
 116 int     login_tty(int _fd);
 117 int     openpty(int *_amaster, int *_aslave, char *_name,
 118             struct termios *_termp, struct winsize *_winp);
 119 int     pidfile_close(struct pidfh *_pfh);
 120 int     pidfile_fileno(const struct pidfh *_pfh);
 121 struct pidfh *
 122         pidfile_open(const char *_path, mode_t _mode, pid_t *_pidptr);
 123 int     pidfile_remove(struct pidfh *_pfh);
 124 int     pidfile_write(struct pidfh *_pfh);
 125 void    properties_free(properties _list);
 126 char    *property_find(properties _list, const char *_name);
 127 properties
 128         properties_read(int _fd);
 129 int     realhostname(char *_host, size_t _hsize, const struct in_addr *_ip);
 130 int     realhostname_sa(char *_host, size_t _hsize, struct sockaddr *_addr,
 131             int _addrlen);
 132 int     _secure_path(const char *_path, uid_t _uid, gid_t _gid);
 133 void    trimdomain(char *_fullhost, int _hostsize);
 134 const char *
 135         uu_lockerr(int _uu_lockresult);
 136 int     uu_lock(const char *_ttyname);
 137 int     uu_unlock(const char *_ttyname);
 138 int     uu_lock_txfr(const char *_ttyname, pid_t _pid);
 139
 140 /*
 141  * Conditionally prototype the following functions if the include
 142  * files upon which they depend have been included.
 143  */
 144 #ifdef _STDIO_H_
 145 char    *fparseln(FILE *_fp, size_t *_len, size_t *_lineno,
 146             const char _delim[3], int _flags);
 147 #endif
 148
 149 #ifdef _PWD_H_
 150 int     pw_copy(int _ffd, int _tfd, const struct passwd *_pw,
 151             struct passwd *_old_pw);
 152 struct passwd
 153         *pw_dup(const struct passwd *_pw);
 154 int     pw_edit(int _notsetuid);
 155 int     pw_equal(const struct passwd *_pw1, const struct passwd *_pw2);
 156 void    pw_fini(void);
 157 int     pw_init(const char *_dir, const char *_master);
 158 void    pw_initpwd(struct passwd *_pw);
 159 char    *pw_make(const struct passwd *_pw);
 160 char    *pw_make_v7(const struct passwd *_pw);
 161 int     pw_mkdb(const char *_user);
 162 int     pw_lock(void);
 163 struct passwd *
 164         pw_scan(const char *_line, int _flags);
 165 const char *
 166         pw_tempname(void);
 167 int     pw_tmp(int _mfd);
 168 #endif
 169
 170 #ifdef _GRP_H_
 171 int     gr_copy(int __ffd, int _tfd, const struct group *_gr,
 172             struct group *_old_gr);
 173 struct group *
 174         gr_dup(const struct group *_gr);
 175 struct group *
 176         gr_add(const struct group *_gr, const char *_newmember);
 177 int     gr_equal(const struct group *_gr1, const struct group *_gr2);
 178 void    gr_fini(void);
 179 int     gr_init(const char *_dir, const char *_master);
 180 int     gr_lock(void);
 181 char    *gr_make(const struct group *_gr);
 182 int     gr_mkdb(void);
 183 struct group *
 184         gr_scan(const char *_line);
 185 int     gr_tmp(int _mdf);
 186 #endif
 187
 188 #ifdef _UFS_UFS_QUOTA_H_
 189 struct fstab;
 190 struct quotafile;
 191 int     quota_check_path(const struct quotafile *_qf, const char *_path);
 192 void    quota_close(struct quotafile *_qf);
 193 int     quota_convert(struct quotafile *_qf, int _wordsize);
 194 const char *
 195         quota_fsname(const struct quotafile *_qf);
 196 int     quota_maxid(struct quotafile *_qf);
 197 int     quota_off(struct quotafile *_qf);
 198 int     quota_on(struct quotafile *_qf);
 199 struct quotafile *
 200         quota_open(struct fstab *_fs, int _quotatype, int _openflags);
 201 const char *
 202         quota_qfname(const struct quotafile *_qf);
 203 int     quota_read(struct quotafile *_qf, struct dqblk *_dqb, int _id);
 204 int     quota_write_limits(struct quotafile *_qf, struct dqblk *_dqb, int _id);
 205 int     quota_write_usage(struct quotafile *_qf, struct dqblk *_dqb, int _id);
 206 #endif
 207
 208 __END_DECLS
 209
 210 /* fparseln(3) */
 211 #define FPARSELN_UNESCESC       0x01
 212 #define FPARSELN_UNESCCONT      0x02
 213 #define FPARSELN_UNESCCOMM      0x04
 214 #define FPARSELN_UNESCREST      0x08
 215 #define FPARSELN_UNESCALL       0x0f
 216
 217 /* Flags for hexdump(3). */
 218 #define HD_COLUMN_MASK          0xff
 219 #define HD_DELIM_MASK           0xff00
 220 #define HD_OMIT_COUNT           (1 << 16)
 221 #define HD_OMIT_HEX             (1 << 17)
 222 #define HD_OMIT_CHARS           (1 << 18)
 223
 224 /* Values for humanize_number(3)'s flags parameter. */
 225 #define HN_DECIMAL              0x01
 226 #define HN_NOSPACE              0x02
 227 #define HN_B                    0x04
 228 #define HN_DIVISOR_1000         0x08
 229 #define HN_IEC_PREFIXES         0x10
 230
 231 /* Values for humanize_number(3)'s scale parameter. */
 232 #define HN_GETSCALE             0x10
 233 #define HN_AUTOSCALE            0x20
 234
 235 /* Return values from realhostname(). */
 236 #define HOSTNAME_FOUND          0
 237 #define HOSTNAME_INCORRECTNAME  1
 238 #define HOSTNAME_INVALIDADDR    2
 239 #define HOSTNAME_INVALIDNAME    3
 240
 241 /* Flags for pw_scan(). */
 242 #define PWSCAN_MASTER           0x01
 243 #define PWSCAN_WARN             0x02
 244
 245 /* Return values from uu_lock(). */
 246 #define UU_LOCK_INUSE           1
 247 #define UU_LOCK_OK              0
 248 #define UU_LOCK_OPEN_ERR        (-1)
 249 #define UU_LOCK_READ_ERR        (-2)
 250 #define UU_LOCK_CREAT_ERR       (-3)
 251 #define UU_LOCK_WRITE_ERR       (-4)
 252 #define UU_LOCK_LINK_ERR        (-5)
 253 #define UU_LOCK_TRY_ERR         (-6)
 254 #define UU_LOCK_OWNER_ERR       (-7)
 255
 256 #endif /* !_LIBUTIL_H_ */