roken.h.in revision 55682 
1/* -*- C -*- */
2/*
3 * Copyright (c) 1995, 1996, 1997, 1998, 1999 Kungliga Tekniska H�gskolan
4 * (Royal Institute of Technology, Stockholm, Sweden).
5 * 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 * 
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 
18 * 3. Neither the name of the Institute nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 * 
22 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35/* $Id: roken.h.in,v 1.133 1999/12/30 02:22:54 assar Exp $ */
36
37#include <stdio.h>
38#include <stdlib.h>
39#include <stdarg.h>
40#include <string.h>
41#include <signal.h>
42#ifdef HAVE_SYS_PARAM_H
43#include <sys/param.h>
44#endif
45#ifdef HAVE_SYS_TYPES_H
46#include <sys/types.h>
47#endif
48#ifdef HAVE_UNISTD_H
49#include <unistd.h>
50#endif
51#ifdef HAVE_SYS_SOCKET_H
52#include <sys/socket.h>
53#endif
54#ifdef HAVE_SYS_UIO_H
55#include <sys/uio.h>
56#endif
57#ifdef HAVE_GRP_H
58#include <grp.h>
59#endif
60#ifdef HAVE_SYS_STAT_H
61#include <sys/stat.h>
62#endif
63#ifdef HAVE_NETINET_IN_H
64#include <netinet/in.h>
65#endif
66#ifdef HAVE_NETINET_IN6_H
67#include <netinet/in6.h>
68#endif
69#ifdef HAVE_NETINET6_IN6_H
70#include <netinet6/in6.h>
71#endif
72#ifdef HAVE_ARPA_INET_H
73#include <arpa/inet.h>
74#endif
75#ifdef HAVE_NETDB_H
76#include <netdb.h>
77#endif
78#ifdef HAVE_SYSLOG_H
79#include <syslog.h>
80#endif
81#ifdef HAVE_WINSOCK_H
82#include <winsock.h>
83#endif
84#ifdef HAVE_FCNTL_H
85#include <fcntl.h>
86#endif
87#ifdef HAVE_ERRNO_H
88#include <errno.h>
89#endif
90#ifdef HAVE_ERR_H
91#include <err.h>
92#endif
93#ifdef HAVE_TERMIOS_H
94#include <termios.h>
95#endif
96#if defined(HAVE_SYS_IOCTL_H) && SunOS != 40
97#include <sys/ioctl.h>
98#endif
99#ifdef TIME_WITH_SYS_TIME
100#include <sys/time.h>
101#include <time.h>
102#elif defined(HAVE_SYS_TIME_H)
103#include <sys/time.h>
104#else
105#include <time.h>
106#endif
107
108#ifdef HAVE_PATHS_H
109#include <paths.h>
110#endif
111
112#ifdef __cplusplus
113extern "C" {
114#endif
115
116#ifndef ROKEN_LIB_FUNCTION
117#if defined(__BORLANDC__)
118#define ROKEN_LIB_FUNCTION /* not-ready-definition-yet */
119#elif defined(_MSC_VER)
120#define ROKEN_LIB_FUNCTION /* not-ready-definition-yet2 */
121#else
122#define ROKEN_LIB_FUNCTION
123#endif
124#endif
125
126#include <roken-common.h>
127
128#if !defined(HAVE_SETSID) && defined(HAVE__SETSID)
129#define setsid _setsid
130#endif
131
132#ifndef HAVE_PUTENV
133int putenv(const char *string);
134#endif
135
136#if !defined(HAVE_SETENV) || defined(NEED_SETENV_PROTO)
137int setenv(const char *var, const char *val, int rewrite);
138#endif
139
140#if !defined(HAVE_UNSETENV) || defined(NEED_UNSETENV_PROTO)
141void unsetenv(const char *name);
142#endif
143
144#if !defined(HAVE_GETUSERSHELL) || defined(NEED_GETUSERSHELL_PROTO)
145char *getusershell(void);
146void endusershell(void);
147#endif
148
149#if !defined(HAVE_SNPRINTF) || defined(NEED_SNPRINTF_PROTO)
150int snprintf (char *str, size_t sz, const char *format, ...)
151     __attribute__ ((format (printf, 3, 4)));
152#endif
153
154#if !defined(HAVE_VSNPRINTF) || defined(NEED_VSNPRINTF_PROTO)
155int vsnprintf (char *str, size_t sz, const char *format, va_list ap)
156     __attribute__((format (printf, 3, 0)));
157#endif
158
159#if !defined(HAVE_ASPRINTF) || defined(NEED_ASPRINTF_PROTO)
160int asprintf (char **ret, const char *format, ...)
161     __attribute__ ((format (printf, 2, 3)));
162#endif
163
164#if !defined(HAVE_VASPRINTF) || defined(NEED_VASPRINTF_PROTO)
165int vasprintf (char **ret, const char *format, va_list ap)
166     __attribute__((format (printf, 2, 0)));
167#endif
168
169#if !defined(HAVE_ASNPRINTF) || defined(NEED_ASNPRINTF_PROTO)
170int asnprintf (char **ret, size_t max_sz, const char *format, ...)
171     __attribute__ ((format (printf, 3, 4)));
172#endif
173
174#if !defined(HAVE_VASNPRINTF) || defined(NEED_VASNPRINTF_PROTO)
175int vasnprintf (char **ret, size_t max_sz, const char *format, va_list ap)
176     __attribute__((format (printf, 3, 0)));
177#endif
178
179#ifndef HAVE_STRDUP
180char * strdup(const char *old);
181#endif
182
183#ifndef HAVE_STRNDUP
184char * strndup(const char *old, size_t sz);
185#endif
186
187#ifndef HAVE_STRLWR
188char * strlwr(char *);
189#endif
190
191#ifndef HAVE_STRNLEN
192size_t strnlen(const char*, size_t);
193#endif
194
195#if !defined(HAVE_STRSEP) || defined(NEED_STRSEP_PROTO)
196char *strsep(char**, const char*);
197#endif
198
199#ifndef HAVE_STRCASECMP
200int strcasecmp(const char *s1, const char *s2);
201#endif
202
203#ifdef NEED_FCLOSE_PROTO
204int fclose(FILE *);
205#endif
206
207#ifdef NEED_STRTOK_R_PROTO
208char *strtok_r(char *s1, const char *s2, char **lasts);
209#endif
210
211#ifndef HAVE_STRUPR
212char * strupr(char *);
213#endif
214
215#ifndef HAVE_STRLCPY
216size_t strlcpy (char *dst, const char *src, size_t dst_sz);
217#endif
218
219#ifndef HAVE_STRLCAT
220size_t strlcat (char *dst, const char *src, size_t dst_sz);
221#endif
222
223#ifndef HAVE_GETDTABLESIZE
224int getdtablesize(void);
225#endif
226
227#if !defined(HAVE_STRERROR) && !defined(strerror)
228char *strerror(int eno);
229#endif
230
231#if !defined(HAVE_HSTRERROR) || defined(NEED_HSTRERROR_PROTO)
232/* This causes a fatal error under Psoriasis */
233#if !(defined(SunOS) && (SunOS >= 50))
234const char *hstrerror(int herr);
235#endif
236#endif
237
238#ifndef HAVE_H_ERRNO_DECLARATION
239extern int h_errno;
240#endif
241
242#if !defined(HAVE_INET_ATON) || defined(NEED_INET_ATON_PROTO)
243int inet_aton(const char *cp, struct in_addr *adr);
244#endif
245
246#ifndef HAVE_INET_NTOP
247const char *
248inet_ntop(int af, const void *src, char *dst, size_t size);
249#endif
250
251#ifndef HAVE_INET_PTON
252int
253inet_pton(int af, const char *src, void *dst);
254#endif
255
256#if !defined(HAVE_GETCWD)
257char* getcwd(char *path, size_t size);
258#endif
259
260#ifdef HAVE_PWD_H
261#include <pwd.h>
262struct passwd *k_getpwnam (const char *user);
263struct passwd *k_getpwuid (uid_t uid);
264#endif
265
266const char *get_default_username (void);
267
268#ifndef HAVE_SETEUID
269int seteuid(uid_t euid);
270#endif
271
272#ifndef HAVE_SETEGID
273int setegid(gid_t egid);
274#endif
275
276#ifndef HAVE_LSTAT
277int lstat(const char *path, struct stat *buf);
278#endif
279
280#if !defined(HAVE_MKSTEMP) || defined(NEED_MKSTEMP_PROTO)
281int mkstemp(char *);
282#endif
283
284#ifndef HAVE_CGETENT
285int cgetent(char **buf, char **db_array, const char *name);
286int cgetstr(char *buf, const char *cap, char **str);
287#endif
288
289#ifndef HAVE_INITGROUPS
290int initgroups(const char *name, gid_t basegid);
291#endif
292
293#ifndef HAVE_FCHOWN
294int fchown(int fd, uid_t owner, gid_t group);
295#endif
296
297#ifndef HAVE_DAEMON
298int daemon(int nochdir, int noclose);
299#endif
300
301#ifndef HAVE_INNETGR
302int innetgr(const char *netgroup, const char *machine, 
303	    const char *user, const char *domain);
304#endif
305
306#ifndef HAVE_CHOWN
307int chown(const char *path, uid_t owner, gid_t group);
308#endif
309
310#ifndef HAVE_RCMD
311int rcmd(char **ahost, unsigned short inport, const char *locuser,
312	 const char *remuser, const char *cmd, int *fd2p);
313#endif
314
315#if !defined(HAVE_INNETGR) || defined(NEED_INNETGR_PROTO)
316int innetgr(const char*, const char*, const char*, const char*);
317#endif
318
319#ifndef HAVE_IRUSEROK
320int iruserok(unsigned raddr, int superuser, const char *ruser,
321	     const char *luser);
322#endif
323
324#if !defined(HAVE_GETHOSTNAME) || defined(NEED_GETHOSTNAME_PROTO)
325int gethostname(char *name, int namelen);
326#endif
327
328#ifndef HAVE_WRITEV
329ssize_t
330writev(int d, const struct iovec *iov, int iovcnt);
331#endif
332
333#ifndef HAVE_READV
334ssize_t
335readv(int d, const struct iovec *iov, int iovcnt);
336#endif
337
338#ifndef HAVE_MKSTEMP
339int
340mkstemp(char *template);
341#endif
342
343#ifndef HAVE_FLOCK
344#ifndef LOCK_SH
345#define LOCK_SH   1		/* Shared lock */
346#endif
347#ifndef	LOCK_EX
348#define LOCK_EX   2		/* Exclusive lock */
349#endif
350#ifndef LOCK_NB
351#define LOCK_NB   4		/* Don't block when locking */
352#endif
353#ifndef LOCK_UN
354#define LOCK_UN   8		/* Unlock */
355#endif
356
357int flock(int fd, int operation);
358#endif /* HAVE_FLOCK */
359
360time_t tm2time (struct tm tm, int local);
361
362int unix_verify_user(char *user, char *password);
363
364void mini_inetd (int port);
365
366int roken_concat (char *s, size_t len, ...);
367
368size_t roken_mconcat (char **s, size_t max_len, ...);
369
370int roken_vconcat (char *s, size_t len, va_list args);
371
372size_t roken_vmconcat (char **s, size_t max_len, va_list args);
373
374ssize_t net_write (int fd, const void *buf, size_t nbytes);
375
376ssize_t net_read (int fd, void *buf, size_t nbytes);
377
378int issuid(void);
379
380#ifndef HAVE_STRUCT_WINSIZE
381struct winsize {
382	unsigned short ws_row, ws_col;
383	unsigned short ws_xpixel, ws_ypixel;
384};
385#endif
386
387int get_window_size(int fd, struct winsize *);
388
389#ifndef HAVE_VSYSLOG
390void vsyslog(int pri, const char *fmt, va_list ap);
391#endif
392
393#ifndef HAVE_OPTARG_DECLARATION
394extern char *optarg;
395#endif
396#ifndef HAVE_OPTIND_DECLARATION
397extern int optind;
398#endif
399#ifndef HAVE_OPTERR_DECLARATION
400extern int opterr;
401#endif
402
403#ifndef HAVE___PROGNAME_DECLARATION
404extern const char *__progname;
405#endif
406
407#ifndef HAVE_ENVIRON_DECLARATION
408extern char **environ;
409#endif
410
411#ifndef HAVE_GETIPNODEBYNAME
412struct hostent *
413getipnodebyname (const char *name, int af, int flags, int *error_num);
414#endif
415
416#ifndef HAVE_GETIPNODEBYADDR
417struct hostent *
418getipnodebyaddr (const void *src, size_t len, int af, int *error_num);
419#endif
420
421#ifndef HAVE_FREEHOSTENT
422void
423freehostent (struct hostent *h);
424#endif
425
426#ifndef HAVE_COPYHOSTENT
427struct hostent *
428copyhostent (const struct hostent *h);
429#endif
430
431#ifndef HAVE_SOCKLEN_T
432typedef int socklen_t;
433#endif
434
435#ifndef HAVE_STRUCT_SOCKADDR_STORAGE
436
437#ifndef HAVE_SA_FAMILY_T
438typedef unsigned short sa_family_t;
439#endif
440
441#ifdef HAVE_IPV6
442#define _SS_MAXSIZE sizeof(struct sockaddr_in6)
443#else
444#define _SS_MAXSIZE sizeof(struct sockaddr_in)
445#endif
446
447#define _SS_ALIGNSIZE	sizeof(unsigned long)
448
449#if HAVE_STRUCT_SOCKADDR_SA_LEN
450
451typedef unsigned char roken_sa_family_t;
452
453#define _SS_PAD1SIZE   (_SS_ALIGNSIZE - sizeof (roken_sa_family_t) - sizeof(unsigned char))
454#define _SS_PAD2SIZE   (_SS_MAXSIZE - (sizeof (roken_sa_family_t) + sizeof(unsigned char) + _SS_PAD1SIZE + _SS_ALIGNSIZE))
455
456struct sockaddr_storage {
457    unsigned char	ss_len;
458    roken_sa_family_t	ss_family;
459    char		__ss_pad1[_SS_PAD1SIZE];
460    unsigned long	__ss_align[_SS_PAD2SIZE / sizeof(unsigned long) + 1];
461};
462
463#else /* !HAVE_STRUCT_SOCKADDR_SA_LEN */
464
465typedef unsigned short roken_sa_family_t;
466
467#define _SS_PAD1SIZE   (_SS_ALIGNSIZE - sizeof (roken_sa_family_t))
468#define _SS_PAD2SIZE   (_SS_MAXSIZE - (sizeof (roken_sa_family_t) + _SS_PAD1SIZE + _SS_ALIGNSIZE))
469
470struct sockaddr_storage {
471    roken_sa_family_t	ss_family;
472    char		__ss_pad1[_SS_PAD1SIZE];
473    unsigned long	__ss_align[_SS_PAD2SIZE / sizeof(unsigned long) + 1];
474};
475
476#endif /* HAVE_STRUCT_SOCKADDR_SA_LEN */
477
478#endif /* HAVE_STRUCT_SOCKADDR_STORAGE */
479
480#ifndef HAVE_STRUCT_ADDRINFO
481struct addrinfo {
482    int    ai_flags;
483    int    ai_family;
484    int    ai_socktype;
485    int    ai_protocol;
486    size_t ai_addrlen;
487    char  *ai_canonname;
488    struct sockaddr *ai_addr;
489    struct addrinfo *ai_next;
490};
491#endif
492
493#ifndef HAVE_GETADDRINFO
494int
495getaddrinfo(const char *nodename,
496	    const char *servname,
497	    const struct addrinfo *hints,
498	    struct addrinfo **res);
499#endif
500
501#ifndef HAVE_GETNAMEINFO
502int getnameinfo(const struct sockaddr *sa, socklen_t salen,
503		char *host, size_t hostlen,
504		char *serv, size_t servlen,
505		int flags);
506#endif
507
508#ifndef HAVE_FREEADDRINFO
509void
510freeaddrinfo(struct addrinfo *ai);
511#endif
512
513#ifndef HAVE_GAI_STRERROR
514char *
515gai_strerror(int ecode);
516#endif
517
518int
519getnameinfo_verified(const struct sockaddr *sa, socklen_t salen,
520		     char *host, size_t hostlen,
521		     char *serv, size_t servlen,
522		     int flags);
523
524#ifndef HAVE_STRFTIME
525size_t
526strftime (char *buf, size_t maxsize, const char *format,
527	  const struct tm *tm);
528#endif
529
530#ifndef HAVE_STRPTIME
531char *
532strptime (const char *buf, const char *format, struct tm *timeptr);
533#endif
534
535/*
536 * kludges and such
537 */
538
539#if 1
540int roken_gethostby_setup(const char*, const char*);
541struct hostent* roken_gethostbyname(const char*);
542struct hostent* roken_gethostbyaddr(const void*, size_t, int);
543#else
544#ifdef GETHOSTBYNAME_PROTO_COMPATIBLE
545#define roken_gethostbyname(x) gethostbyname(x)
546#else
547#define roken_gethostbyname(x) gethostbyname((char *)x)
548#endif
549
550#ifdef GETHOSTBYADDR_PROTO_COMPATIBLE
551#define roken_gethostbyaddr(a, l, t) gethostbyaddr(a, l, t)
552#else
553#define roken_gethostbyaddr(a, l, t) gethostbyaddr((char *)a, l, t)
554#endif
555#endif
556
557#ifdef GETSERVBYNAME_PROTO_COMPATIBLE
558#define roken_getservbyname(x,y) getservbyname(x,y)
559#else
560#define roken_getservbyname(x,y) getservbyname((char *)x, (char *)y)
561#endif
562
563#ifdef OPENLOG_PROTO_COMPATIBLE
564#define roken_openlog(a,b,c) openlog(a,b,c)
565#else
566#define roken_openlog(a,b,c) openlog((char *)a,b,c)
567#endif
568
569void set_progname(char *argv0);
570
571#ifdef __cplusplus
572}
573#endif
574