1 /* $NetBSD: util.h,v 1.49 2007/12/14 16:36:19 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1995 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #ifndef _UTIL_H_ 33 #define _UTIL_H_ 34 35 #include <sys/cdefs.h> 36 #include <sys/types.h> 37 #include <stdio.h> 38 #include <pwd.h> 39 #include <termios.h> 40 #include <utmp.h> 41 42 #ifdef _BSD_TIME_T_ 43 typedef _BSD_TIME_T_ time_t; 44 #undef _BSD_TIME_T_ 45 #endif 46 47 #define PIDLOCK_NONBLOCK 1 48 #define PIDLOCK_USEHOSTNAME 2 49 50 #define PW_POLICY_BYSTRING 0 51 #define PW_POLICY_BYPASSWD 1 52 #define PW_POLICY_BYGROUP 2 53 54 __BEGIN_DECLS 55 #ifndef __minix 56 struct disklabel; 57 struct iovec; 58 struct passwd; 59 struct termios; 60 struct utmp; 61 struct winsize; 62 struct sockaddr; 63 64 typedef struct pw_policy *pw_policy_t; 65 66 char *flags_to_string(unsigned long, const char *); 67 pid_t forkpty(int *, char *, struct termios *, struct winsize *); 68 const char *getbootfile(void); 69 off_t getlabeloffset(void); 70 int getlabelsector(void); 71 int getmaxpartitions(void); 72 int getrawpartition(void); 73 void login(const struct utmp *); 74 void loginx(const struct utmpx *); 75 int login_tty(int); 76 int logout(const char *); 77 int logoutx(const char *, int, int); 78 void logwtmp(const char *, const char *, const char *); 79 void logwtmpx(const char *, const char *, const char *, int, int); 80 int opendisk(const char *, int, char *, size_t, int); 81 int openpty(int *, int *, char *, struct termios *, 82 struct winsize *); 83 time_t parsedate(const char *, const time_t *, const int *); 84 int pidfile(const char *); 85 int pidlock(const char *, int, pid_t *, const char *); 86 int pw_abort(void); 87 void pw_copy(int, int, struct passwd *, struct passwd *); 88 int pw_copyx(int, int, struct passwd *, struct passwd *, 89 char *, size_t); 90 void pw_edit(int, const char *); 91 void pw_error(const char *, int, int); 92 void pw_getconf(char *, size_t, const char *, const char *); 93 void pw_getpwconf(char *, size_t, const struct passwd *, 94 const char *); 95 const char *pw_getprefix(void); 96 void pw_init(void); 97 int pw_lock(int); 98 int pw_mkdb(const char *, int); 99 pw_policy_t pw_policy_load(void *, int); 100 int pw_policy_test(pw_policy_t, char *); 101 void pw_policy_free(pw_policy_t); 102 void pw_prompt(void); 103 int pw_setprefix(const char *); 104 int raise_default_signal(int); 105 int secure_path(const char *); 106 int snprintb(char *, size_t, const char *, uint64_t); 107 int sockaddr_snprintf(char *, size_t, const char *, 108 const struct sockaddr *); 109 int string_to_flags(char **, unsigned long *, unsigned long *); 110 int ttyaction(const char *, const char *, const char *); 111 int ttylock(const char *, int, pid_t *); 112 char *ttymsg(struct iovec *, int, const char *, int); 113 int ttyunlock(const char *); 114 115 uint16_t disklabel_dkcksum(struct disklabel *); 116 int disklabel_scan(struct disklabel *, char *, size_t); 117 118 #endif 119 120 /* Error checked functions */ 121 void (*esetfunc(void (*)(int, const char *, ...))) 122 (int, const char *, ...); 123 size_t estrlcpy(char *, const char *, size_t); 124 size_t estrlcat(char *, const char *, size_t); 125 char *estrdup(const char *); 126 char *estrndup(const char *, size_t); 127 void *ecalloc(size_t, size_t); 128 void *emalloc(size_t); 129 void *erealloc(void *, size_t); 130 FILE *efopen(const char *, const char *); 131 132 #ifndef __minix 133 int easprintf(char ** __restrict, const char * __restrict, ...) 134 __attribute__((__format__(__printf__, 2, 3))); 135 int evasprintf(char ** __restrict, const char * __restrict, 136 _BSD_VA_LIST_) 137 __attribute__((__format__(__printf__, 2, 0))); 138 #endif 139 __END_DECLS 140 141 #endif /* !_UTIL_H_ */ 142