1/* -*- C -*- */
2/*
3 * Copyright (c) 1995-2005 Kungliga Tekniska Högskolan
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#include <stdio.h>
36#include <stdlib.h>
37#include <stdarg.h>
38#ifdef HAVE_STDINT_H
39#include <stdint.h>
40#endif
41#include <string.h>
42#include <signal.h>
43
44#ifndef ROKEN_LIB_FUNCTION
45#ifdef _WIN32
46#  define ROKEN_LIB_CALL     __cdecl
47#  ifdef ROKEN_LIB_DYNAMIC
48#    define ROKEN_LIB_FUNCTION __declspec(dllimport)
49#    define ROKEN_LIB_VARIABLE __declspec(dllimport)
50#  else
51#    define ROKEN_LIB_FUNCTION
52#    define ROKEN_LIB_VARIABLE
53#  endif
54#else
55#define ROKEN_LIB_FUNCTION
56#define ROKEN_LIB_CALL
57#define ROKEN_LIB_VARIABLE
58#endif
59#endif
60
61#ifdef HAVE_WINSOCK
62/* Declarations for Microsoft Windows */
63
64#include <winsock2.h>
65#include <ws2tcpip.h>
66
67/*
68 * error codes for inet_ntop/inet_pton
69 */
70#define EAFNOSUPPORT WSAEAFNOSUPPORT
71
72typedef SOCKET rk_socket_t;
73
74#define rk_closesocket(x) closesocket(x)
75#define rk_INVALID_SOCKET INVALID_SOCKET
76#define rk_IS_BAD_SOCKET(s) ((s) == INVALID_SOCKET)
77#define rk_IS_SOCKET_ERROR(rv) ((rv) == SOCKET_ERROR)
78#define rk_SOCK_ERRNO WSAGetLastError()
79
80ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL rk_SOCK_IOCTL(SOCKET s, long cmd, int * argp);
81
82/* Microsoft VC 2010 POSIX definitions */
83#ifndef ENOTSOCK
84#define ENOTSOCK		128
85#endif
86#ifndef ENOTSUP
87#define ENOTSUP                 129
88#endif
89#ifndef EOVERFLOW
90#define EOVERFLOW               132
91#endif
92#ifndef ETIMEDOUT
93#define ETIMEDOUT               138
94#endif
95#ifndef EWOULDBLOCK
96#define EWOULDBLOCK             140
97#endif
98
99#define rk_SOCK_INIT() rk_WSAStartup()
100#define rk_SOCK_EXIT() rk_WSACleanup()
101
102ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL rk_WSAStartup(void);
103ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL rk_WSACleanup(void);
104
105#else  /* not WinSock */
106
107typedef int rk_socket_t;
108
109#define rk_closesocket(x) close(x)
110#define rk_SOCK_IOCTL(s,c,a) ioctl((s),(c),(a))
111#define rk_IS_BAD_SOCKET(s) ((s) < 0)
112#define rk_IS_SOCKET_ERROR(rv) ((rv) < 0)
113#define rk_SOCK_ERRNO errno
114#define rk_INVALID_SOCKET (-1)
115
116#define rk_SOCK_INIT() 0
117#define rk_SOCK_EXIT() do { } while(0)
118
119#endif
120
121#ifndef IN_LOOPBACKNET
122#define IN_LOOPBACKNET 127
123#endif
124
125#ifdef _MSC_VER
126/* Declarations for Microsoft Visual C runtime on Windows */
127
128#include<process.h>
129
130#include<io.h>
131
132#ifndef __BIT_TYPES_DEFINED__
133#define __BIT_TYPES_DEFINED__
134
135typedef __int8             int8_t;
136typedef __int16            int16_t;
137typedef __int32            int32_t;
138typedef __int64            int64_t;
139typedef unsigned __int8    uint8_t;
140typedef unsigned __int16   uint16_t;
141typedef unsigned __int32   uint32_t;
142typedef unsigned __int64   uint64_t;
143typedef uint8_t            u_int8_t;
144typedef uint16_t           u_int16_t;
145typedef uint32_t           u_int32_t;
146typedef uint64_t           u_int64_t;
147
148#endif  /* __BIT_TYPES_DEFINED__ */
149
150#define UNREACHABLE(x) x
151#define UNUSED_ARGUMENT(x) ((void) x)
152
153#define RETSIGTYPE void
154
155#define VOID_RETSIGTYPE 1
156
157#ifdef VOID_RETSIGTYPE
158#define SIGRETURN(x) return
159#else
160#define SIGRETURN(x) return (RETSIGTYPE)(x)
161#endif
162
163#ifndef CPP_ONLY
164
165typedef int pid_t;
166
167typedef unsigned int gid_t;
168
169typedef unsigned int uid_t;
170
171typedef unsigned short mode_t;
172
173#endif
174
175#ifndef __cplusplus
176#define inline __inline
177#endif
178
179#else
180
181#define UNREACHABLE(x)
182#define UNUSED_ARGUMENT(x)
183
184#endif
185
186#ifdef _AIX
187struct ether_addr;
188struct sockaddr_dl;
189#endif
190#ifdef HAVE_SYS_PARAM_H
191#include <sys/param.h>
192#endif
193#ifdef HAVE_INTTYPES_H
194#include <inttypes.h>
195#endif
196#ifdef HAVE_SYS_TYPES_H
197#include <sys/types.h>
198#endif
199#ifdef HAVE_SYS_BITYPES_H
200#include <sys/bitypes.h>
201#endif
202#ifdef HAVE_BIND_BITYPES_H
203#include <bind/bitypes.h>
204#endif
205#ifdef HAVE_NETINET_IN6_MACHTYPES_H
206#include <netinet/in6_machtypes.h>
207#endif
208#ifdef HAVE_UNISTD_H
209#include <unistd.h>
210#endif
211#ifdef HAVE_SYS_SOCKET_H
212#include <sys/socket.h>
213#endif
214#ifdef HAVE_SYS_UIO_H
215#include <sys/uio.h>
216#endif
217#ifdef HAVE_GRP_H
218#include <grp.h>
219#endif
220#ifdef HAVE_SYS_STAT_H
221#include <sys/stat.h>
222#endif
223#ifdef HAVE_NETINET_IN_H
224#include <netinet/in.h>
225#endif
226#ifdef HAVE_NETINET_IN6_H
227#include <netinet/in6.h>
228#endif
229#ifdef HAVE_NETINET6_IN6_H
230#include <netinet6/in6.h>
231#endif
232#ifdef HAVE_ARPA_INET_H
233#include <arpa/inet.h>
234#endif
235#ifdef HAVE_NETDB_H
236#include <netdb.h>
237#endif
238#ifdef HAVE_ARPA_NAMESER_H
239#include <arpa/nameser.h>
240#endif
241#ifdef HAVE_RESOLV_H
242#include <resolv.h>
243#endif
244#ifdef HAVE_SYSLOG_H
245#include <syslog.h>
246#endif
247#ifdef HAVE_FCNTL_H
248#include <fcntl.h>
249#endif
250#ifdef HAVE_ERRNO_H
251#include <errno.h>
252#endif
253#include <err.h>
254#ifdef HAVE_TERMIOS_H
255#include <termios.h>
256#endif
257#ifdef HAVE_SYS_IOCTL_H
258#include <sys/ioctl.h>
259#endif
260#ifdef TIME_WITH_SYS_TIME
261#include <sys/time.h>
262#include <time.h>
263#elif defined(HAVE_SYS_TIME_H)
264#include <sys/time.h>
265#else
266#include <time.h>
267#endif
268
269#ifdef HAVE_PATHS_H
270#include <paths.h>
271#endif
272
273#ifdef HAVE_DIRENT_H
274#include <dirent.h>
275#endif
276
277#ifdef BACKSLASH_PATH_DELIM
278#define rk_PATH_DELIM '\\'
279#endif
280
281#ifndef HAVE_SSIZE_T
282#ifndef SSIZE_T_DEFINED
283#ifdef ssize_t
284#undef ssize_t
285#endif
286#ifdef _WIN64
287typedef __int64 ssize_t;
288#else
289typedef int ssize_t;
290#endif
291#define SSIZE_T_DEFINED
292#endif  /* SSIZE_T_DEFINED */
293#endif  /* HAVE_SSIZE_T */
294
295#include <roken-common.h>
296
297ROKEN_CPP_START
298
299#ifdef HAVE_UINTPTR_T
300#define rk_UNCONST(x) ((void *)(uintptr_t)(const void *)(x))
301#else
302#define rk_UNCONST(x) ((void *)(unsigned long)(const void *)(x))
303#endif
304
305#if !defined(HAVE_SETSID) && defined(HAVE__SETSID)
306#define setsid _setsid
307#endif
308
309#ifdef _MSC_VER
310/* Additional macros for Visual C/C++ runtime */
311
312#define close	_close
313
314#define getpid	_getpid
315
316#define open	_open
317
318#define chdir   _chdir
319
320#define fsync   _commit
321
322/* The MSVC implementation of snprintf is not C99 compliant.  */
323#define snprintf    rk_snprintf
324#define vsnprintf   rk_vsnprintf
325#define vasnprintf  rk_vasnprintf
326#define vasprintf   rk_vasprintf
327#define asnprintf   rk_asnprintf
328#define asprintf    rk_asprintf
329
330#define _PIPE_BUFFER_SZ 8192
331#define pipe(fds) _pipe((fds), _PIPE_BUFFER_SZ, O_BINARY);
332
333#define ftruncate(fd, sz) _chsize((fd), (sz))
334
335ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
336rk_snprintf (char *str, size_t sz, const char *format, ...);
337
338ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
339rk_asprintf (char **ret, const char *format, ...);
340
341ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
342rk_asnprintf (char **ret, size_t max_sz, const char *format, ...);
343
344ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
345rk_vasprintf (char **ret, const char *format, va_list args);
346
347ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
348rk_vasnprintf (char **ret, size_t max_sz, const char *format, va_list args);
349
350ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
351rk_vsnprintf (char *str, size_t sz, const char *format, va_list args);
352
353/* missing stat.h predicates */
354
355#define S_ISREG(m) (((m) & _S_IFREG) == _S_IFREG)
356
357#define S_ISDIR(m) (((m) & _S_IFDIR) == _S_IFDIR)
358
359#define S_ISCHR(m) (((m) & _S_IFCHR) == _S_IFCHR)
360
361#define S_ISFIFO(m) (((m) & _S_IFIFO) == _S_IFIFO)
362
363/* The following are not implemented:
364
365 S_ISLNK(m)
366 S_ISSOCK(m)
367 S_ISBLK(m)
368*/
369
370#endif  /* _MSC_VER */
371
372#ifdef HAVE_WINSOCK
373
374/* While we are at it, define WinSock specific scatter gather socket
375   I/O. */
376
377#define iovec    _WSABUF
378#define iov_base buf
379#define iov_len  len
380
381struct msghdr {
382    void           *msg_name;
383    socklen_t       msg_namelen;
384    struct iovec   *msg_iov;
385    size_t          msg_iovlen;
386    void           *msg_control;
387    socklen_t       msg_controllen;
388    int             msg_flags;
389};
390
391#define sendmsg sendmsg_w32
392
393ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL
394sendmsg_w32(rk_socket_t s, const struct msghdr * msg, int flags);
395
396#endif	/* HAVE_WINSOCK */
397
398#ifndef HAVE_PUTENV
399#define putenv rk_putenv
400ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL putenv(const char *);
401#endif
402
403#if !defined(HAVE_SETENV) || defined(NEED_SETENV_PROTO)
404#ifndef HAVE_SETENV
405#define setenv rk_setenv
406#endif
407ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL setenv(const char *, const char *, int);
408#endif
409
410#if !defined(HAVE_UNSETENV) || defined(NEED_UNSETENV_PROTO)
411#ifndef HAVE_UNSETENV
412#define unsetenv rk_unsetenv
413#endif
414ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL unsetenv(const char *);
415#endif
416
417#if !defined(HAVE_GETUSERSHELL) || defined(NEED_GETUSERSHELL_PROTO)
418#ifndef HAVE_GETUSERSHELL
419#define getusershell rk_getusershell
420#define endusershell rk_endusershell
421#endif
422ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL getusershell(void);
423ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL endusershell(void);
424#endif
425
426#if !defined(HAVE_SNPRINTF) || defined(NEED_SNPRINTF_PROTO)
427#ifndef HAVE_SNPRINTF
428#define snprintf rk_snprintf
429#endif
430ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
431     rk_snprintf (char *, size_t, const char *, ...)
432     __attribute__ ((format (printf, 3, 4)));
433#endif
434
435#if !defined(HAVE_VSNPRINTF) || defined(NEED_VSNPRINTF_PROTO)
436#ifndef HAVE_VSNPRINTF
437#define vsnprintf rk_vsnprintf
438#endif
439ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
440     rk_vsnprintf (char *, size_t, const char *, va_list)
441     __attribute__((format (printf, 3, 0)));
442#endif
443
444#if !defined(HAVE_ASPRINTF) || defined(NEED_ASPRINTF_PROTO)
445#ifndef HAVE_ASPRINTF
446#define asprintf rk_asprintf
447#endif
448ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
449     rk_asprintf (char **, const char *, ...)
450     __attribute__ ((format (printf, 2, 3)));
451#endif
452
453#if !defined(HAVE_VASPRINTF) || defined(NEED_VASPRINTF_PROTO)
454#ifndef HAVE_VASPRINTF
455#define vasprintf rk_vasprintf
456#endif
457ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
458    rk_vasprintf (char **, const char *, va_list)
459     __attribute__((format (printf, 2, 0)));
460#endif
461
462#if !defined(HAVE_ASNPRINTF) || defined(NEED_ASNPRINTF_PROTO)
463#ifndef HAVE_ASNPRINTF
464#define asnprintf rk_asnprintf
465#endif
466ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
467    rk_asnprintf (char **, size_t, const char *, ...)
468     __attribute__ ((format (printf, 3, 4)));
469#endif
470
471#if !defined(HAVE_VASNPRINTF) || defined(NEED_VASNPRINTF_PROTO)
472#ifndef HAVE_VASNPRINTF
473#define vasnprintf rk_vasnprintf
474#endif
475ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
476    vasnprintf (char **, size_t, const char *, va_list)
477     __attribute__((format (printf, 3, 0)));
478#endif
479
480#ifndef HAVE_STRDUP
481#define strdup rk_strdup
482ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL strdup(const char *);
483#endif
484
485#if !defined(HAVE_STRNDUP) || defined(NEED_STRNDUP_PROTO)
486#ifndef HAVE_STRNDUP
487#define strndup rk_strndup
488#endif
489ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL strndup(const char *, size_t);
490#endif
491
492#ifndef HAVE_STRLWR
493#define strlwr rk_strlwr
494ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL strlwr(char *);
495#endif
496
497#ifndef HAVE_STRNLEN
498#define strnlen rk_strnlen
499ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL strnlen(const char*, size_t);
500#endif
501
502#if !defined(HAVE_STRSEP) || defined(NEED_STRSEP_PROTO)
503#ifndef HAVE_STRSEP
504#define strsep rk_strsep
505#endif
506ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL strsep(char**, const char*);
507#endif
508
509#if !defined(HAVE_STRSEP_COPY) || defined(NEED_STRSEP_COPY_PROTO)
510#ifndef HAVE_STRSEP_COPY
511#define strsep_copy rk_strsep_copy
512#endif
513ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL strsep_copy(const char**, const char*, char*, size_t);
514#endif
515
516#ifndef HAVE_STRCASECMP
517#define strcasecmp rk_strcasecmp
518ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL strcasecmp(const char *, const char *);
519#endif
520
521#ifdef NEED_FCLOSE_PROTO
522ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL fclose(FILE *);
523#endif
524
525#ifdef NEED_STRTOK_R_PROTO
526ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL strtok_r(char *, const char *, char **);
527#endif
528
529#ifndef HAVE_STRUPR
530#define strupr rk_strupr
531ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL strupr(char *);
532#endif
533
534#ifndef HAVE_STRLCPY
535#define strlcpy rk_strlcpy
536ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL strlcpy (char *, const char *, size_t);
537#endif
538
539#ifndef HAVE_STRLCAT
540#define strlcat rk_strlcat
541ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL strlcat (char *, const char *, size_t);
542#endif
543
544#ifndef HAVE_GETDTABLESIZE
545#define getdtablesize rk_getdtablesize
546ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL getdtablesize(void);
547#endif
548
549#if !defined(HAVE_STRERROR) && !defined(strerror)
550#define strerror rk_strerror
551ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL strerror(int);
552#endif
553
554#if !defined(HAVE_STRERROR_R) && !defined(strerror_r)
555int ROKEN_LIB_FUNCTION rk_strerror_r(int, char *, size_t);
556#elif !defined(STRERROR_R_PROTO_COMPATIBLE) && defined(HAVE_STRERROR_R)
557int ROKEN_LIB_FUNCTION rk_strerror_r(int, char *, size_t);
558#else
559#define rk_strerror_r strerror_r
560#endif
561
562#if !defined(HAVE_HSTRERROR) || defined(NEED_HSTRERROR_PROTO)
563#ifndef HAVE_HSTRERROR
564#define hstrerror rk_hstrerror
565#endif
566/* This causes a fatal error under Psoriasis */
567#ifndef SunOS
568ROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL hstrerror(int);
569#endif
570#endif
571
572#if !HAVE_DECL_H_ERRNO
573extern int h_errno;
574#endif
575
576#if !defined(HAVE_INET_ATON) || defined(NEED_INET_ATON_PROTO)
577#ifndef HAVE_INET_ATON
578#define inet_aton rk_inet_aton
579#endif
580ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL inet_aton(const char *, struct in_addr *);
581#endif
582
583#ifndef HAVE_INET_NTOP
584#define inet_ntop rk_inet_ntop
585ROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL
586inet_ntop(int af, const void *src, char *dst, size_t size);
587#endif
588
589#ifndef HAVE_INET_PTON
590#define inet_pton rk_inet_pton
591ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
592inet_pton(int, const char *, void *);
593#endif
594
595#ifndef HAVE_GETCWD
596#define getcwd rk_getcwd
597ROKEN_LIB_FUNCTION char* ROKEN_LIB_CALL getcwd(char *, size_t);
598#endif
599
600#ifdef HAVE_PWD_H
601#include <pwd.h>
602ROKEN_LIB_FUNCTION struct passwd * ROKEN_LIB_CALL k_getpwnam (const char *);
603ROKEN_LIB_FUNCTION struct passwd * ROKEN_LIB_CALL k_getpwuid (uid_t);
604#endif
605
606ROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL get_default_username (void);
607
608#ifndef HAVE_SETEUID
609#define seteuid rk_seteuid
610ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL seteuid(uid_t);
611#endif
612
613#ifndef HAVE_SETEGID
614#define setegid rk_setegid
615ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL setegid(gid_t);
616#endif
617
618#ifndef HAVE_LSTAT
619#define lstat rk_lstat
620ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL lstat(const char *, struct stat *);
621#endif
622
623#if !defined(HAVE_MKSTEMP) || defined(NEED_MKSTEMP_PROTO)
624#ifndef HAVE_MKSTEMP
625#define mkstemp rk_mkstemp
626#endif
627ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL mkstemp(char *);
628#endif
629
630#ifndef HAVE_CGETENT
631#define cgetent rk_cgetent
632#define cgetstr rk_cgetstr
633ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL cgetent(char **, char **, const char *);
634ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL cgetstr(char *, const char *, char **);
635#endif
636
637#ifndef HAVE_INITGROUPS
638#define initgroups rk_initgroups
639ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL initgroups(const char *, gid_t);
640#endif
641
642#ifndef HAVE_FCHOWN
643#define fchown rk_fchown
644ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL fchown(int, uid_t, gid_t);
645#endif
646
647#ifdef RENAME_DOES_NOT_UNLINK
648ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL rk_rename(const char *, const char *);
649#else
650#define rk_rename(__rk_rn_from,__rk_rn_to) rename(__rk_rn_from,__rk_rn_to)
651#endif
652
653#if !defined(HAVE_DAEMON) || defined(NEED_DAEMON_PROTO)
654#ifndef HAVE_DAEMON
655#define daemon rk_daemon
656#endif
657ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL daemon(int, int);
658#endif
659
660#ifndef HAVE_CHOWN
661#define chown rk_chown
662ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL chown(const char *, uid_t, gid_t);
663#endif
664
665#ifndef HAVE_RCMD
666#define rcmd rk_rcmd
667ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
668    rcmd(char **, unsigned short, const char *,
669	 const char *, const char *, int *);
670#endif
671
672#if !defined(HAVE_INNETGR) || defined(NEED_INNETGR_PROTO)
673#ifndef HAVE_INNETGR
674#define innetgr rk_innetgr
675#endif
676ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL innetgr(const char*, const char*,
677    const char*, const char*);
678#endif
679
680#ifndef HAVE_IRUSEROK
681#define iruserok rk_iruserok
682ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL iruserok(unsigned, int,
683    const char *, const char *);
684#endif
685
686#if !defined(HAVE_GETHOSTNAME) || defined(NEED_GETHOSTNAME_PROTO)
687#ifndef HAVE_GETHOSTNAME
688#define gethostname rk_gethostname
689#endif
690ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL gethostname(char *, int);
691#endif
692
693#ifndef HAVE_WRITEV
694#define writev rk_writev
695ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL
696writev(int, const struct iovec *, int);
697#endif
698
699#ifndef HAVE_READV
700#define readv rk_readv
701ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL
702readv(int, const struct iovec *, int);
703#endif
704
705#ifndef HAVE_PIDFILE
706#ifdef NO_PIDFILES
707#define pidfile(x) ((void) 0)
708#else
709#define pidfile rk_pidfile
710ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL pidfile (const char*);
711#endif
712#endif
713
714#ifndef HAVE_BSWAP32
715#define bswap32 rk_bswap32
716ROKEN_LIB_FUNCTION unsigned int ROKEN_LIB_CALL bswap32(unsigned int);
717#endif
718
719#ifndef HAVE_BSWAP16
720#define bswap16 rk_bswap16
721ROKEN_LIB_FUNCTION unsigned short ROKEN_LIB_CALL bswap16(unsigned short);
722#endif
723
724#ifndef HAVE_FLOCK
725#ifndef LOCK_SH
726#define LOCK_SH   1		/* Shared lock */
727#endif
728#ifndef	LOCK_EX
729#define LOCK_EX   2		/* Exclusive lock */
730#endif
731#ifndef LOCK_NB
732#define LOCK_NB   4		/* Don't block when locking */
733#endif
734#ifndef LOCK_UN
735#define LOCK_UN   8		/* Unlock */
736#endif
737
738#define flock(_x,_y) rk_flock(_x,_y)
739int rk_flock(int fd, int operation);
740#endif /* HAVE_FLOCK */
741
742#ifndef HAVE_DIRFD
743#ifdef HAVE_DIR_DD_FD
744#define dirfd(x) ((x)->dd_fd)
745#else
746#ifndef _WIN32 /* Windows code never calls dirfd */
747#error Missing dirfd() and ->dd_fd
748#endif
749#endif
750#endif
751
752ROKEN_LIB_FUNCTION time_t ROKEN_LIB_CALL tm2time (struct tm, int);
753
754ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL unix_verify_user(char *, char *);
755
756ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL roken_concat (char *, size_t, ...);
757
758ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL roken_mconcat (char **, size_t, ...);
759
760ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL roken_vconcat (char *, size_t, va_list);
761
762ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL
763    roken_vmconcat (char **, size_t, va_list);
764
765ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL
766    net_write (rk_socket_t, const void *, size_t);
767
768ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL
769    net_read (rk_socket_t, void *, size_t);
770
771ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
772    issuid(void);
773
774#ifndef HAVE_VSYSLOG
775#define vsyslog rk_vsyslog
776ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL vsyslog(int, const char *, va_list);
777#endif
778
779#ifndef HAVE_GETOPT
780#define getopt rk_getopt
781#define optarg rk_optarg
782#define optind rk_optind
783#define opterr rk_opterr
784ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
785getopt(int nargc, char * const *nargv, const char *ostr);
786#endif
787
788#if !HAVE_DECL_OPTARG
789ROKEN_LIB_VARIABLE extern char *optarg;
790#endif
791#if !HAVE_DECL_OPTIND
792ROKEN_LIB_VARIABLE extern int optind;
793#endif
794#if !HAVE_DECL_OPTERR
795ROKEN_LIB_VARIABLE extern int opterr;
796#endif
797
798#ifndef HAVE_GETIPNODEBYNAME
799#define getipnodebyname rk_getipnodebyname
800ROKEN_LIB_FUNCTION struct hostent * ROKEN_LIB_CALL
801getipnodebyname (const char *, int, int, int *);
802#endif
803
804#ifndef HAVE_GETIPNODEBYADDR
805#define getipnodebyaddr rk_getipnodebyaddr
806ROKEN_LIB_FUNCTION struct hostent * ROKEN_LIB_CALL
807getipnodebyaddr (const void *, size_t, int, int *);
808#endif
809
810#ifndef HAVE_FREEHOSTENT
811#define freehostent rk_freehostent
812ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
813freehostent (struct hostent *);
814#endif
815
816#ifndef HAVE_COPYHOSTENT
817#define copyhostent rk_copyhostent
818ROKEN_LIB_FUNCTION struct hostent * ROKEN_LIB_CALL
819copyhostent (const struct hostent *);
820#endif
821
822#ifndef HAVE_SOCKLEN_T
823typedef int socklen_t;
824#endif
825
826#ifndef HAVE_STRUCT_SOCKADDR_STORAGE
827
828#ifndef HAVE_SA_FAMILY_T
829typedef unsigned short sa_family_t;
830#endif
831
832#ifdef HAVE_IPV6
833#define _SS_MAXSIZE sizeof(struct sockaddr_in6)
834#else
835#define _SS_MAXSIZE sizeof(struct sockaddr_in)
836#endif
837
838#define _SS_ALIGNSIZE	sizeof(unsigned long)
839
840#if HAVE_STRUCT_SOCKADDR_SA_LEN
841
842typedef unsigned char roken_sa_family_t;
843
844#define _SS_PAD1SIZE   ((2 * _SS_ALIGNSIZE - sizeof (roken_sa_family_t) - sizeof(unsigned char)) % _SS_ALIGNSIZE)
845#define _SS_PAD2SIZE   (_SS_MAXSIZE - (sizeof (roken_sa_family_t) + sizeof(unsigned char) + _SS_PAD1SIZE + _SS_ALIGNSIZE))
846
847struct sockaddr_storage {
848    unsigned char	ss_len;
849    roken_sa_family_t	ss_family;
850    char		__ss_pad1[_SS_PAD1SIZE];
851    unsigned long	__ss_align[_SS_PAD2SIZE / sizeof(unsigned long) + 1];
852};
853
854#else /* !HAVE_STRUCT_SOCKADDR_SA_LEN */
855
856typedef unsigned short roken_sa_family_t;
857
858#define _SS_PAD1SIZE   ((2 * _SS_ALIGNSIZE - sizeof (roken_sa_family_t)) % _SS_ALIGNSIZE)
859#define _SS_PAD2SIZE   (_SS_MAXSIZE - (sizeof (roken_sa_family_t) + _SS_PAD1SIZE + _SS_ALIGNSIZE))
860
861struct sockaddr_storage {
862    roken_sa_family_t	ss_family;
863    char		__ss_pad1[_SS_PAD1SIZE];
864    unsigned long	__ss_align[_SS_PAD2SIZE / sizeof(unsigned long) + 1];
865};
866
867#endif /* HAVE_STRUCT_SOCKADDR_SA_LEN */
868
869#endif /* HAVE_STRUCT_SOCKADDR_STORAGE */
870
871#ifndef HAVE_STRUCT_ADDRINFO
872struct addrinfo {
873    int    ai_flags;
874    int    ai_family;
875    int    ai_socktype;
876    int    ai_protocol;
877    size_t ai_addrlen;
878    char  *ai_canonname;
879    struct sockaddr *ai_addr;
880    struct addrinfo *ai_next;
881};
882#endif
883
884#ifndef HAVE_GETADDRINFO
885#define getaddrinfo rk_getaddrinfo
886ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
887getaddrinfo(const char *,
888	    const char *,
889	    const struct addrinfo *,
890	    struct addrinfo **);
891#endif
892
893#ifndef HAVE_GETNAMEINFO
894#define getnameinfo rk_getnameinfo
895ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
896getnameinfo(const struct sockaddr *, socklen_t,
897		char *, size_t,
898		char *, size_t,
899		int);
900#endif
901
902#ifndef HAVE_FREEADDRINFO
903#define freeaddrinfo rk_freeaddrinfo
904ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
905freeaddrinfo(struct addrinfo *);
906#endif
907
908#ifndef HAVE_GAI_STRERROR
909#define gai_strerror rk_gai_strerror
910ROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL
911gai_strerror(int);
912#endif
913
914#ifdef NO_SLEEP
915
916ROKEN_LIB_FUNCTION unsigned int ROKEN_LIB_CALL
917sleep(unsigned int seconds);
918
919#endif
920
921ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
922getnameinfo_verified(const struct sockaddr *, socklen_t,
923		     char *, size_t,
924		     char *, size_t,
925		     int);
926
927ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
928roken_getaddrinfo_hostspec(const char *, int, struct addrinfo **);
929ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
930roken_getaddrinfo_hostspec2(const char *, int, int, struct addrinfo **);
931
932#ifndef HAVE_STRFTIME
933#define strftime rk_strftime
934ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL
935strftime (char *, size_t, const char *, const struct tm *);
936#endif
937
938#ifndef HAVE_STRPTIME
939#define strptime rk_strptime
940ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL
941strptime (const char *, const char *, struct tm *);
942#endif
943
944#ifndef HAVE_GETTIMEOFDAY
945#define gettimeofday rk_gettimeofday
946ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
947gettimeofday (struct timeval *, void *);
948#endif
949
950#ifndef HAVE_EMALLOC
951#define emalloc rk_emalloc
952ROKEN_LIB_FUNCTION void * ROKEN_LIB_CALL emalloc (size_t);
953#endif
954#ifndef HAVE_ECALLOC
955#define ecalloc rk_ecalloc
956ROKEN_LIB_FUNCTION void * ROKEN_LIB_CALL ecalloc(size_t, size_t);
957#endif
958#ifndef HAVE_EREALLOC
959#define erealloc rk_erealloc
960ROKEN_LIB_FUNCTION void * ROKEN_LIB_CALL erealloc (void *, size_t);
961#endif
962#ifndef HAVE_ESTRDUP
963#define estrdup rk_estrdup
964ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL estrdup (const char *);
965#endif
966
967/*
968 * kludges and such
969 */
970
971ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
972roken_gethostby_setup(const char*, const char*);
973ROKEN_LIB_FUNCTION struct hostent* ROKEN_LIB_CALL
974roken_gethostbyname(const char*);
975ROKEN_LIB_FUNCTION struct hostent* ROKEN_LIB_CALL
976roken_gethostbyaddr(const void*, size_t, int);
977
978#ifdef GETSERVBYNAME_PROTO_COMPATIBLE
979#define roken_getservbyname(x,y) getservbyname(x,y)
980#else
981#define roken_getservbyname(x,y) getservbyname((char *)x, (char *)y)
982#endif
983
984#ifdef OPENLOG_PROTO_COMPATIBLE
985#define roken_openlog(a,b,c) openlog(a,b,c)
986#else
987#define roken_openlog(a,b,c) openlog((char *)a,b,c)
988#endif
989
990#ifdef GETSOCKNAME_PROTO_COMPATIBLE
991#define roken_getsockname(a,b,c) getsockname(a,b,c)
992#else
993#define roken_getsockname(a,b,c) getsockname(a, b, (void*)c)
994#endif
995
996#ifndef HAVE_SETPROGNAME
997#define setprogname rk_setprogname
998ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL setprogname(const char *);
999#endif
1000
1001#ifndef HAVE_GETPROGNAME
1002#define getprogname rk_getprogname
1003ROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL getprogname(void);
1004#endif
1005
1006#if !defined(HAVE_SETPROGNAME) && !defined(HAVE_GETPROGNAME) && !HAVE_DECL___PROGNAME
1007extern const char *__progname;
1008#endif
1009
1010ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
1011mini_inetd_addrinfo (struct addrinfo*, rk_socket_t *);
1012
1013ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
1014mini_inetd (int, rk_socket_t *);
1015
1016#ifndef HAVE_LOCALTIME_R
1017#define localtime_r rk_localtime_r
1018ROKEN_LIB_FUNCTION struct tm * ROKEN_LIB_CALL
1019localtime_r(const time_t *, struct tm *);
1020#endif
1021
1022#if !defined(HAVE_STRSVIS) || defined(NEED_STRSVIS_PROTO)
1023#ifndef HAVE_STRSVIS
1024#define strsvis rk_strsvis
1025#endif
1026ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
1027strsvis(char *, const char *, int, const char *);
1028#endif
1029
1030#if !defined(HAVE_STRSVISX) || defined(NEED_STRSVISX_PROTO)
1031#ifndef HAVE_STRSVISX
1032#define strsvisx rk_strsvisx
1033#endif
1034ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
1035strsvisx(char *, const char *, size_t, int, const char *);
1036#endif
1037
1038#if !defined(HAVE_STRUNVIS) || defined(NEED_STRUNVIS_PROTO)
1039#ifndef HAVE_STRUNVIS
1040#define strunvis rk_strunvis
1041#endif
1042ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
1043strunvis(char *, const char *);
1044#endif
1045
1046#if !defined(HAVE_STRVIS) || defined(NEED_STRVIS_PROTO)
1047#ifndef HAVE_STRVIS
1048#define strvis rk_strvis
1049#endif
1050ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
1051strvis(char *, const char *, int);
1052#endif
1053
1054#if !defined(HAVE_STRVISX) || defined(NEED_STRVISX_PROTO)
1055#ifndef HAVE_STRVISX
1056#define strvisx rk_strvisx
1057#endif
1058ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
1059strvisx(char *, const char *, size_t, int);
1060#endif
1061
1062#if !defined(HAVE_SVIS) || defined(NEED_SVIS_PROTO)
1063#ifndef HAVE_SVIS
1064#define svis rk_svis
1065#endif
1066ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL
1067svis(char *, int, int, int, const char *);
1068#endif
1069
1070#if !defined(HAVE_UNVIS) || defined(NEED_UNVIS_PROTO)
1071#ifndef HAVE_UNVIS
1072#define unvis rk_unvis
1073#endif
1074ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
1075unvis(char *, int, int *, int);
1076#endif
1077
1078#if !defined(HAVE_VIS) || defined(NEED_VIS_PROTO)
1079#ifndef HAVE_VIS
1080#define vis rk_vis
1081#endif
1082ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL
1083vis(char *, int, int, int);
1084#endif
1085
1086#if !defined(HAVE_CLOSEFROM)
1087#define closefrom rk_closefrom
1088ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
1089closefrom(int);
1090#endif
1091
1092#if !defined(HAVE_TIMEGM)
1093#define timegm rk_timegm
1094ROKEN_LIB_FUNCTION time_t ROKEN_LIB_CALL
1095rk_timegm(struct tm *tm);
1096#endif
1097
1098#ifdef NEED_QSORT
1099#define qsort rk_qsort
1100void
1101rk_qsort(void *, size_t, size_t, int (*)(const void *, const void *));
1102#endif
1103
1104#if defined(HAVE_ARC4RANDOM)
1105#define rk_random() arc4random()
1106#define rk_random_uniform(_n) arc4random_uniform(_n)
1107#elif defined(HAVE_RANDOM)
1108#define rk_random() random()
1109#define rk_random_uniform(_n) (random() % (_n))
1110#else
1111#define rk_random() rand()
1112#define rk_random_uniform(_n) (rand() % (_n))
1113#endif
1114
1115#ifndef HAVE_TDELETE
1116#define tdelete(a,b,c) rk_tdelete(a,b,c)
1117#endif
1118#ifndef HAVE_TFIND
1119#define tfind(a,b,c) rk_tfind(a,b,c)
1120#endif
1121#ifndef HAVE_TSEARCH
1122#define tsearch(a,b,c) rk_tsearch(a,b,c)
1123#endif
1124#ifndef HAVE_TWALK
1125#define twalk(a,b) rk_twalk(a,b)
1126#endif
1127
1128#if defined(__linux__) && defined(SOCK_CLOEXEC) && !defined(SOCKET_WRAPPER_REPLACE) && !defined(__SOCKET_WRAPPER_H__)
1129#undef socket
1130#define socket(_fam,_type,_prot) rk_socket(_fam,_type,_prot)
1131int ROKEN_LIB_FUNCTION rk_socket(int, int, int);
1132#endif
1133
1134#ifdef SOCKET_WRAPPER_REPLACE
1135#include <socket_wrapper.h>
1136#endif
1137
1138ROKEN_CPP_END
1139