blob: 343a932901828e99227e640637977ecc02847fce [file] [log] [blame]
Eric Andersenaad1a882001-03-16 22:47:14 +00001/* vi: set sw=4 ts=4: */
2/*
3 * Busybox main internal header file
4 *
Eric Andersenc7bda1c2004-03-15 08:29:22 +00005 * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
Eric Andersenaad1a882001-03-16 22:47:14 +00006 * Permission has been granted to redistribute this code under the GPL.
Rob Landleyeb84a422006-09-20 21:41:13 +00007 *
8 * Licensed under the GPL version 2, see the file LICENSE in this tarball.
Eric Andersenaad1a882001-03-16 22:47:14 +00009 */
Bernhard Reutner-Fischer86f5c992006-01-22 22:55:11 +000010#ifndef __LIBBUSYBOX_H__
11#define __LIBBUSYBOX_H__ 1
Eric Andersenaad1a882001-03-16 22:47:14 +000012
Bernhard Reutner-Fischer781e42d2006-05-26 14:41:40 +000013#include "platform.h"
14
Rob Landley5d9c42a2006-06-24 17:55:02 +000015#include <ctype.h>
Rob Landleyb623a542006-05-31 22:09:03 +000016#include <dirent.h>
Rob Landleyc9c1a412006-07-12 19:17:55 +000017#include <errno.h>
Rob Landley5d9c42a2006-06-24 17:55:02 +000018#include <fcntl.h>
Rob Landleyb623a542006-05-31 22:09:03 +000019#include <inttypes.h>
Rob Landleyd921b2e2006-08-03 15:41:12 +000020#include <malloc.h>
Rob Landleyb623a542006-05-31 22:09:03 +000021#include <netdb.h>
Rob Landleyd921b2e2006-08-03 15:41:12 +000022#include <setjmp.h>
Rob Landley1cca9482006-07-10 19:45:20 +000023#include <signal.h>
Eric Andersenaad1a882001-03-16 22:47:14 +000024#include <stdio.h>
Manuel Novoa III 68474f32004-02-05 14:45:58 +000025#include <stdlib.h>
Eric Andersenaad1a882001-03-16 22:47:14 +000026#include <stdarg.h>
Rob Landley5d9c42a2006-06-24 17:55:02 +000027#include <string.h>
28#include <strings.h>
Rob Landleyc9c1a412006-07-12 19:17:55 +000029#include <sys/ioctl.h>
Rob Landleyd921b2e2006-08-03 15:41:12 +000030#include <sys/mman.h>
Rob Landley5d9c42a2006-06-24 17:55:02 +000031#include <sys/socket.h>
"Vladimir N. Oleynik"7fe65202005-09-20 10:02:36 +000032#include <sys/stat.h>
Rob Landleyd921b2e2006-08-03 15:41:12 +000033#include <sys/statfs.h>
Rob Landley299a6b42006-05-27 21:42:58 +000034#include <sys/time.h>
Rob Landleyb623a542006-05-31 22:09:03 +000035#include <sys/types.h>
Rob Landleyc9c1a412006-07-12 19:17:55 +000036#include <sys/wait.h>
Rob Landleyb623a542006-05-31 22:09:03 +000037#include <termios.h>
Rob Landleyd921b2e2006-08-03 15:41:12 +000038#include <time.h>
Rob Landleyb13fee42006-06-20 22:38:00 +000039#include <unistd.h>
Rob Landleyd921b2e2006-08-03 15:41:12 +000040#include <utime.h>
Rob Landley299a6b42006-05-27 21:42:58 +000041
Eric Andersen9e480452003-07-03 10:07:04 +000042#ifdef CONFIG_SELINUX
Bernhard Reutner-Fischerd4cffd12005-09-21 17:38:30 +000043#include <selinux/selinux.h>
Eric Andersen9e480452003-07-03 10:07:04 +000044#endif
Robert Grieblc9aca452002-06-04 20:06:25 +000045
Rob Landleyd921b2e2006-08-03 15:41:12 +000046#ifdef CONFIG_LOCALE_SUPPORT
47#include <locale.h>
Rob Landleyeb84a422006-09-20 21:41:13 +000048#else
49#define setlocale(x,y)
Rob Landleyd921b2e2006-08-03 15:41:12 +000050#endif
51
Eric Andersen887ca792002-07-03 23:19:26 +000052#include "pwd_.h"
53#include "grp_.h"
Eric Andersen27f64e12002-06-23 04:24:25 +000054#include "shadow_.h"
Eric Andersen27f64e12002-06-23 04:24:25 +000055
Rob Landley362dc2b2006-06-05 17:35:24 +000056/* Try to pull in PATH_MAX */
57#include <limits.h>
58#include <sys/param.h>
59#ifndef PATH_MAX
60#define PATH_MAX 256
61#endif
62
Denis Vlasenko7039a662006-10-08 17:54:47 +000063/* Not (yet) used, but tested to work correctly
64#define MAXINT(T) (T)( \
65 ((T)-1) > 0 \
66 ? (T)-1 \
67 : (T)~((T)1 << (sizeof(T)*8-1)) \
68 )
69
70#define MININT(T) (T)( \
71 ((T)-1) > 0 \
72 ? (T)0 \
73 : ((T)1 << (sizeof(T)*8-1)) \
74 )
75*/
76
Denis Vlasenko56254152006-10-07 16:24:46 +000077/* Large file support */
Denis Vlasenko7039a662006-10-08 17:54:47 +000078/* Note that CONFIG_LFS forces bbox to be built with all common ops
79 * (stat, lseek etc) mapped to "largefile" variants by libc.
80 * Practically it means that open() automatically has O_LARGEFILE added
81 * and all filesize/file_offset parameters and struct members are "large"
82 * (in today's world - signed 64bit). For full support of large files,
83 * we need a few helper #defines (below) and careful use of off_t
84 * instead of int/ssize_t. No lseek64(), O_LARGEFILE etc necessary */
Denis Vlasenkodca0b702006-10-27 09:05:02 +000085#if ENABLE_LFS
Denis Vlasenko7039a662006-10-08 17:54:47 +000086/* CONFIG_LFS is on */
87# if ULONG_MAX > 0xffffffff
88/* "long" is long enough on this system */
89# define STRTOOFF strtol
90# define SAFE_STRTOOFF safe_strtol
Denis Vlasenkocba9ef52006-10-10 21:00:47 +000091# define XSTRTOUOFF xstrtoul
Denis Vlasenko5c759602006-10-28 12:37:16 +000092# define OFF_FMT "ld"
Denis Vlasenko7039a662006-10-08 17:54:47 +000093# else
Denis Vlasenkocba9ef52006-10-10 21:00:47 +000094/* "long" is too short, need "long long" */
Denis Vlasenko7039a662006-10-08 17:54:47 +000095# define STRTOOFF strtoll
96# define SAFE_STRTOOFF safe_strtoll
Denis Vlasenkocba9ef52006-10-10 21:00:47 +000097# define XSTRTOUOFF xstrtoull
Denis Vlasenko5c759602006-10-28 12:37:16 +000098# define OFF_FMT "lld"
Denis Vlasenko7039a662006-10-08 17:54:47 +000099# endif
Denis Vlasenko56254152006-10-07 16:24:46 +0000100#else
Denis Vlasenkocba9ef52006-10-10 21:00:47 +0000101# if 0 /* #if UINT_MAX == 0xffffffff */
Denis Vlasenko7039a662006-10-08 17:54:47 +0000102/* Doesn't work. off_t is a long. gcc will throw warnings on printf("%d", off_t)
103 * even if long==int on this arch. Crap... */
104# define STRTOOFF strtol
105# define SAFE_STRTOOFF safe_strtoi
Denis Vlasenkocba9ef52006-10-10 21:00:47 +0000106# define XSTRTOUOFF xstrtou
Denis Vlasenko5c759602006-10-28 12:37:16 +0000107# define OFF_FMT "d"
Denis Vlasenko7039a662006-10-08 17:54:47 +0000108# else
109# define STRTOOFF strtol
110# define SAFE_STRTOOFF safe_strtol
Denis Vlasenkocba9ef52006-10-10 21:00:47 +0000111# define XSTRTOUOFF xstrtoul
Denis Vlasenko5c759602006-10-28 12:37:16 +0000112# define OFF_FMT "ld"
Denis Vlasenko7039a662006-10-08 17:54:47 +0000113# endif
Denis Vlasenko56254152006-10-07 16:24:46 +0000114#endif
115/* scary. better ideas? (but do *test* them first!) */
Denis Vlasenko7039a662006-10-08 17:54:47 +0000116#define OFF_T_MAX ((off_t)~((off_t)1 << (sizeof(off_t)*8-1)))
Denis Vlasenko56254152006-10-07 16:24:46 +0000117
Eric Andersenaad1a882001-03-16 22:47:14 +0000118/* Some useful definitions */
Bernhard Reutner-Fischer781e42d2006-05-26 14:41:40 +0000119#undef FALSE
Eric Andersenaad1a882001-03-16 22:47:14 +0000120#define FALSE ((int) 0)
Bernhard Reutner-Fischer781e42d2006-05-26 14:41:40 +0000121#undef TRUE
Eric Andersenaad1a882001-03-16 22:47:14 +0000122#define TRUE ((int) 1)
Bernhard Reutner-Fischer781e42d2006-05-26 14:41:40 +0000123#undef SKIP
Eric Andersenaad1a882001-03-16 22:47:14 +0000124#define SKIP ((int) 2)
125
126/* for mtab.c */
127#define MTAB_GETMOUNTPT '1'
128#define MTAB_GETDEVICE '2'
129
130#define BUF_SIZE 8192
131#define EXPAND_ALLOC 1024
132
Eric Andersenaad1a882001-03-16 22:47:14 +0000133/* Macros for min/max. */
134#ifndef MIN
135#define MIN(a,b) (((a)<(b))?(a):(b))
136#endif
137
138#ifndef MAX
139#define MAX(a,b) (((a)>(b))?(a):(b))
140#endif
141
Bernhard Reutner-Fischer421d9e52006-04-03 16:39:31 +0000142/* buffer allocation schemes */
143#ifdef CONFIG_FEATURE_BUFFERS_GO_ON_STACK
144#define RESERVE_CONFIG_BUFFER(buffer,len) char buffer[len]
145#define RESERVE_CONFIG_UBUFFER(buffer,len) unsigned char buffer[len]
146#define RELEASE_CONFIG_BUFFER(buffer) ((void)0)
147#else
148#ifdef CONFIG_FEATURE_BUFFERS_GO_IN_BSS
149#define RESERVE_CONFIG_BUFFER(buffer,len) static char buffer[len]
150#define RESERVE_CONFIG_UBUFFER(buffer,len) static unsigned char buffer[len]
151#define RELEASE_CONFIG_BUFFER(buffer) ((void)0)
152#else
153#define RESERVE_CONFIG_BUFFER(buffer,len) char *buffer=xmalloc(len)
154#define RESERVE_CONFIG_UBUFFER(buffer,len) unsigned char *buffer=xmalloc(len)
155#define RELEASE_CONFIG_BUFFER(buffer) free (buffer)
156#endif
157#endif
158
159
Denis Vlasenkodca0b702006-10-27 09:05:02 +0000160#if (__GLIBC__ < 2)
161int vdprintf(int d, const char *format, va_list ap);
162#endif
163// This is declared here rather than #including <libgen.h> in order to avoid
164// confusing the two versions of basename. See the dirname/basename man page
165// for details.
166char *dirname(char *path);
167/* Include our own copy of struct sysinfo to avoid binary compatibility
168 * problems with Linux 2.4, which changed things. Grumble, grumble. */
169struct sysinfo {
170 long uptime; /* Seconds since boot */
171 unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
172 unsigned long totalram; /* Total usable main memory size */
173 unsigned long freeram; /* Available memory size */
174 unsigned long sharedram; /* Amount of shared memory */
175 unsigned long bufferram; /* Memory used by buffers */
176 unsigned long totalswap; /* Total swap space size */
177 unsigned long freeswap; /* swap space still available */
178 unsigned short procs; /* Number of current processes */
179 unsigned short pad; /* Padding needed for m68k */
180 unsigned long totalhigh; /* Total high memory size */
181 unsigned long freehigh; /* Available high memory size */
182 unsigned int mem_unit; /* Memory unit size in bytes */
183 char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
Denis Vlasenko3538b9a2006-09-06 18:36:50 +0000184};
Denis Vlasenkodca0b702006-10-27 09:05:02 +0000185extern int sysinfo(struct sysinfo* info);
Denis Vlasenko3538b9a2006-09-06 18:36:50 +0000186
Manuel Novoa III cad53642003-03-19 09:13:01 +0000187
Denis Vlasenkodca0b702006-10-27 09:05:02 +0000188extern void chomp(char *s);
189extern void trim(char *s);
190extern char *skip_whitespace(const char *);
Paul Fox0b621582005-08-09 19:38:05 +0000191
Manuel Novoa III cad53642003-03-19 09:13:01 +0000192extern const char *bb_mode_string(int mode);
193extern int is_directory(const char *name, int followLinks, struct stat *statBuf);
Denis Vlasenkodca0b702006-10-27 09:05:02 +0000194extern int remove_file(const char *path, int flags);
195extern int copy_file(const char *source, const char *dest, int flags);
196extern int recursive_action(const char *fileName, int recurse,
Denis Vlasenko8c35d652006-10-27 23:42:25 +0000197 int followLinks, int depthFirst,
198 int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData, int depth),
199 int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData, int depth),
200 void* userData, int depth);
Denis Vlasenkodca0b702006-10-27 09:05:02 +0000201extern int device_open(const char *device, int mode);
202extern int get_console_fd(void);
203extern char *find_block_device(char *path);
204extern off_t bb_copyfd_size(int fd1, int fd2, off_t size);
205extern off_t bb_copyfd_eof(int fd1, int fd2);
206extern char bb_process_escape_sequence(const char **ptr);
207extern char *bb_get_last_path_component(char *path);
208
209
Rob Landleyd921b2e2006-08-03 15:41:12 +0000210extern DIR *xopendir(const char *path);
Denis Vlasenkodca0b702006-10-27 09:05:02 +0000211extern DIR *warn_opendir(const char *path);
212
213char *xgetcwd(char *cwd);
214char *xreadlink(const char *path);
215extern void xstat(char *filename, struct stat *buf);
216extern pid_t spawn(char **argv);
217extern pid_t xspawn(char **argv);
218extern int wait4pid(int pid);
219extern void xsetgid(gid_t gid);
220extern void xsetuid(uid_t uid);
221extern void xdaemon(int nochdir, int noclose);
222extern void xchdir(const char *path);
223extern void xsetenv(const char *key, const char *value);
224extern int xopen(const char *pathname, int flags);
225extern int xopen3(const char *pathname, int flags, int mode);
226extern off_t xlseek(int fd, off_t offset, int whence);
227extern off_t fdlength(int fd);
228
229extern int xsocket(int domain, int type, int protocol);
230extern void xbind(int sockfd, struct sockaddr *my_addr, socklen_t addrlen);
231extern void xlisten(int s, int backlog);
232extern void xconnect(int s, const struct sockaddr *s_addr, socklen_t addrlen);
233extern int xconnect_tcp_v4(struct sockaddr_in *s_addr);
234extern struct hostent *xgethostbyname(const char *name);
235extern struct hostent *xgethostbyname2(const char *name, int af);
236
237extern char *xstrdup(const char *s);
238extern char *xstrndup(const char *s, int n);
239extern char *safe_strncpy(char *dst, const char *src, size_t size);
240extern char *xasprintf(const char *format, ...) __attribute__ ((format (printf, 1, 2)));
241
242/* dmalloc will redefine these to it's own implementation. It is safe
243 * to have the prototypes here unconditionally. */
244extern void *xmalloc(size_t size);
245extern void *xrealloc(void *old, size_t size);
246extern void *xzalloc(size_t size);
Eric Andersenaad1a882001-03-16 22:47:14 +0000247
Denis Vlasenkoea620772006-10-14 02:23:43 +0000248extern ssize_t safe_read(int fd, void *buf, size_t count);
249extern ssize_t full_read(int fd, void *buf, size_t count);
250extern void xread(int fd, void *buf, size_t count);
251extern unsigned char xread_char(int fd);
252extern char *reads(int fd, char *buf, size_t count);
Denis Vlasenkodca0b702006-10-27 09:05:02 +0000253extern ssize_t read_close(int fd, void *buf, size_t count);
254extern ssize_t open_read_close(const char *filename, void *buf, size_t count);
255extern void *xmalloc_open_read_close(const char *filename, size_t *sizep);
Denis Vlasenkoea620772006-10-14 02:23:43 +0000256
257extern ssize_t safe_write(int fd, const void *buf, size_t count);
258extern ssize_t full_write(int fd, const void *buf, size_t count);
259extern void xwrite(int fd, void *buf, size_t count);
260
Denis Vlasenko1de08302006-10-26 23:32:43 +0000261/* Reads and prints to stdout till eof, then closes FILE. Exits on error: */
Denis Vlasenkoddec5af2006-10-26 23:25:17 +0000262extern void xprint_and_close_file(FILE *file);
263extern char *xmalloc_fgets(FILE *file);
Denis Vlasenko1de08302006-10-26 23:32:43 +0000264/* Read up to (and including) TERMINATING_STRING: */
Denis Vlasenkoddec5af2006-10-26 23:25:17 +0000265extern char *xmalloc_fgets_str(FILE *file, const char *terminating_string);
266/* Chops off '\n' from the end, unlike fgets: */
267extern char *xmalloc_getline(FILE *file);
268extern char *bb_get_chunk_from_file(FILE *file, int *end);
269extern void die_if_ferror(FILE *file, const char *msg);
270extern void die_if_ferror_stdout(void);
271extern void xfflush_stdout(void);
Denis Vlasenkof0ed3762006-10-26 23:21:47 +0000272extern void fflush_stdout_and_exit(int retval) ATTRIBUTE_NORETURN;
Denis Vlasenkoddec5af2006-10-26 23:25:17 +0000273extern int fclose_if_not_stdin(FILE *file);
274extern FILE *xfopen(const char *filename, const char *mode);
275/* Prints warning to stderr and returns NULL on failure: */
276extern FILE *fopen_or_warn(const char *filename, const char *mode);
277/* "Opens" stdin if filename is special, else just opens file: */
278extern FILE *fopen_or_warn_stdin(const char *filename);
Eric Andersen8876fb22003-06-20 09:01:58 +0000279
Denis Vlasenkodca0b702006-10-27 09:05:02 +0000280
Rob Landleyc9c1a412006-07-12 19:17:55 +0000281extern void utoa_to_buf(unsigned n, char *buf, unsigned buflen);
282extern char *utoa(unsigned n);
283extern void itoa_to_buf(int n, char *buf, unsigned buflen);
284extern char *itoa(int n);
Rob Landleyc5b1d4d2006-03-13 15:45:16 +0000285
Denis Vlasenko13858992006-10-08 12:49:22 +0000286// FIXME: the prototype doesn't match libc strtoXX -> confusion
287// FIXME: alot of unchecked strtoXXX are still in tree
288// FIXME: atoi_or_else(str, N)?
289extern int safe_strtoi(const char *arg, int* value);
290extern int safe_strtou(const char *arg, unsigned* value);
291extern int safe_strtod(const char *arg, double* value);
292extern int safe_strtol(const char *arg, long* value);
293extern int safe_strtoll(const char *arg, long long* value);
294extern int safe_strtoul(const char *arg, unsigned long* value);
295extern int safe_strtoull(const char *arg, unsigned long long* value);
296extern int safe_strtou32(const char *arg, uint32_t* value);
Eric Andersenaad1a882001-03-16 22:47:14 +0000297
298struct suffix_mult {
Eric Andersene5dfced2001-04-09 22:48:12 +0000299 const char *suffix;
Denis Vlasenkodca0b702006-10-27 09:05:02 +0000300 unsigned mult;
Eric Andersenaad1a882001-03-16 22:47:14 +0000301};
Denis Vlasenkocba9ef52006-10-10 21:00:47 +0000302unsigned long long xstrtoull(const char *numstr, int base);
303unsigned long long xatoull(const char *numstr);
Denis Vlasenko13858992006-10-08 12:49:22 +0000304unsigned long xstrtoul_range_sfx(const char *numstr, int base,
Denis Vlasenkocf944462006-10-03 19:02:20 +0000305 unsigned long lower,
306 unsigned long upper,
307 const struct suffix_mult *suffixes);
Denis Vlasenko13858992006-10-08 12:49:22 +0000308unsigned long xstrtoul_range(const char *numstr, int base,
Denis Vlasenkocf944462006-10-03 19:02:20 +0000309 unsigned long lower,
310 unsigned long upper);
Denis Vlasenko1114de72006-10-10 23:26:05 +0000311unsigned long xstrtoul_sfx(const char *numstr, int base,
312 const struct suffix_mult *suffixes);
Denis Vlasenko13858992006-10-08 12:49:22 +0000313unsigned long xstrtoul(const char *numstr, int base);
314unsigned long xatoul_range_sfx(const char *numstr,
315 unsigned long lower,
316 unsigned long upper,
317 const struct suffix_mult *suffixes);
318unsigned long xatoul_sfx(const char *numstr,
319 const struct suffix_mult *suffixes);
320unsigned long xatoul_range(const char *numstr,
Denis Vlasenkocf944462006-10-03 19:02:20 +0000321 unsigned long lower,
322 unsigned long upper);
Denis Vlasenko13858992006-10-08 12:49:22 +0000323unsigned long xatoul(const char *numstr);
Denis Vlasenko13858992006-10-08 12:49:22 +0000324long xstrtol_range_sfx(const char *numstr, int base,
Denis Vlasenkocf944462006-10-03 19:02:20 +0000325 long lower,
326 long upper,
327 const struct suffix_mult *suffixes);
Denis Vlasenko13858992006-10-08 12:49:22 +0000328long xstrtol_range(const char *numstr, int base, long lower, long upper);
329long xatol_range_sfx(const char *numstr,
330 long lower,
331 long upper,
Eric Andersenaad1a882001-03-16 22:47:14 +0000332 const struct suffix_mult *suffixes);
Denis Vlasenko13858992006-10-08 12:49:22 +0000333long xatol_range(const char *numstr, long lower, long upper);
334long xatol_sfx(const char *numstr, const struct suffix_mult *suffixes);
335long xatol(const char *numstr);
336/* Specialized: */
337unsigned xatou(const char *numstr);
Denis Vlasenkoca3c9812006-10-08 23:36:17 +0000338int xatoi_range(const char *numstr, int lower, int upper);
Denis Vlasenko13858992006-10-08 12:49:22 +0000339int xatoi(const char *numstr);
340/* Using xatoi() instead of naive atoi() is not always convenient -
341 * in many places people want *non-negative* values, but store them
342 * in signed int. Therefore we need this one:
343 * dies if input is not in [0, INT_MAX] range. Also will reject '-0' etc */
344int xatoi_u(const char *numstr);
345uint32_t xatou32(const char *numstr);
346/* Useful for reading port numbers */
347uint16_t xatou16(const char *numstr);
Eric Andersenaad1a882001-03-16 22:47:14 +0000348
Denis Vlasenkodca0b702006-10-27 09:05:02 +0000349
Eric Andersenaad1a882001-03-16 22:47:14 +0000350/* These parse entries in /etc/passwd and /etc/group. This is desirable
351 * for BusyBox since we want to avoid using the glibc NSS stuff, which
Bernhard Reutner-Fischerd5bd1372005-09-20 21:06:17 +0000352 * increases target size and is often not needed on embedded systems. */
353extern long bb_xgetpwnam(const char *name);
354extern long bb_xgetgrnam(const char *name);
Denis Vlasenkocf944462006-10-03 19:02:20 +0000355extern char *bb_getug(char *buffer, char *idname, long id, int bufsize, char prefix);
356extern char *bb_getpwuid(char *name, long uid, int bufsize);
357extern char *bb_getgrgid(char *group, long gid, int bufsize);
Denis Vlasenkode59c0f2006-10-05 22:50:22 +0000358/* from chpst */
359struct bb_uidgid_t {
360 uid_t uid;
361 gid_t gid;
362};
363extern unsigned uidgid_get(struct bb_uidgid_t*, const char* /*, unsigned*/);
364
Eric Andersenaad1a882001-03-16 22:47:14 +0000365
Denis Vlasenkodca0b702006-10-27 09:05:02 +0000366enum { BB_GETOPT_ERROR = 0x80000000 };
367extern const char *opt_complementary;
368extern const struct option *applet_long_options;
369extern uint32_t option_mask32;
370extern uint32_t getopt32(int argc, char **argv, const char *applet_opts, ...);
371
372
373typedef struct llist_s {
374 char *data;
375 struct llist_s *link;
376} llist_t;
377extern void llist_add_to(llist_t **old_head, void *data);
378extern void llist_add_to_end(llist_t **list_head, void *data);
379extern void *llist_pop(llist_t **elm);
380extern void llist_free(llist_t *elm, void (*freeit)(void *data));
381extern llist_t* rev_llist(llist_t *list);
382
383enum {
384 LOGMODE_NONE = 0,
385 LOGMODE_STDIO = 1<<0,
386 LOGMODE_SYSLOG = 1<<1,
387 LOGMODE_BOTH = LOGMODE_SYSLOG + LOGMODE_STDIO,
388};
389extern const char *msg_eol;
390extern int logmode;
391extern int die_sleep;
392extern int xfunc_error_retval;
393extern void bb_show_usage(void) ATTRIBUTE_NORETURN ATTRIBUTE_EXTERNALLY_VISIBLE;
394extern void bb_error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
395extern void bb_error_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
396extern void bb_perror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
397extern void bb_perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
398extern void bb_vherror_msg(const char *s, va_list p);
399extern void bb_herror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
400extern void bb_herror_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
401extern void bb_perror_nomsg_and_die(void) ATTRIBUTE_NORETURN;
402extern void bb_perror_nomsg(void);
403extern void bb_info_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
404/* These two are used internally -- you shouldn't need to use them */
405extern void bb_verror_msg(const char *s, va_list p, const char *strerr);
406extern void bb_vperror_msg(const char *s, va_list p);
407extern void bb_vinfo_msg(const char *s, va_list p);
408
409
410extern int bb_echo(int argc, char** argv);
411extern int bb_test(int argc, char** argv);
412
413#ifndef BUILD_INDIVIDUAL
414extern struct BB_applet *find_applet_by_name(const char *name);
415extern void run_applet_by_name(const char *name, int argc, char **argv);
416#endif
417
418extern struct mntent *find_mount_point(const char *name, const char *table);
419extern void erase_mtab(const char * name);
420extern unsigned int tty_baud_to_value(speed_t speed);
421extern speed_t tty_value_to_baud(unsigned int value);
422extern void bb_warn_ignoring_args(int n);
423
424extern int get_linux_version_code(void);
Eric Andersenaad1a882001-03-16 22:47:14 +0000425
Rob Landley1d589b22005-11-29 23:47:10 +0000426extern char *query_loop(const char *device);
Eric Andersenaad1a882001-03-16 22:47:14 +0000427extern int del_loop(const char *device);
Denis Vlasenko13858992006-10-08 12:49:22 +0000428extern int set_loop(char **device, const char *file, unsigned long long offset);
Eric Andersenaad1a882001-03-16 22:47:14 +0000429
Eric Andersenaad1a882001-03-16 22:47:14 +0000430
Eric Andersenc7bda1c2004-03-15 08:29:22 +0000431const char *make_human_readable_str(unsigned long long size,
Eric Andersen97e24262003-08-22 23:08:37 +0000432 unsigned long block_size, unsigned long display_unit);
Eric Andersenaad1a882001-03-16 22:47:14 +0000433
Denis Vlasenkodca0b702006-10-27 09:05:02 +0000434char *bb_askpass(int timeout, const char * prompt);
Manuel Novoa III cad53642003-03-19 09:13:01 +0000435int bb_ask_confirmation(void);
Eric Andersene76c3b02001-04-05 03:14:39 +0000436int klogctl(int type, char * b, int len);
Eric Andersenaad1a882001-03-16 22:47:14 +0000437
Denis Vlasenkodca0b702006-10-27 09:05:02 +0000438extern int bb_parse_mode(const char* s, mode_t* theMode);
439
Eric Andersene5dfced2001-04-09 22:48:12 +0000440char *concat_path_file(const char *path, const char *filename);
Glenn L McGrath393183d2003-05-26 14:07:50 +0000441char *concat_subpath_file(const char *path, const char *filename);
Eric Andersenc911a432001-05-15 17:42:16 +0000442char *last_char_is(const char *s, int c);
Eric Andersene5dfced2001-04-09 22:48:12 +0000443
Denis Vlasenkof6f43df2006-10-11 22:16:56 +0000444int execable_file(const char *name);
445char *find_execable(const char *filename);
446int exists_execable(const char *filename);
447
Denis Vlasenkodca0b702006-10-27 09:05:02 +0000448USE_DESKTOP(long long) int uncompress(int fd_in, int fd_out);
449int inflate(int in, int out);
Glenn L McGrath4949faf2001-04-11 16:23:35 +0000450
Denis Vlasenkodca0b702006-10-27 09:05:02 +0000451int create_icmp_socket(void);
452int create_icmp6_socket(void);
Denis Vlasenko14579152006-10-26 01:09:46 +0000453
Denis Vlasenkodca0b702006-10-27 09:05:02 +0000454unsigned short bb_lookup_port(const char *port, const char *protocol, unsigned short default_port);
455void bb_lookup_host(struct sockaddr_in *s_in, const char *host);
Glenn L McGrath78b0e372001-06-26 02:06:08 +0000456
Denis Vlasenko97a8dd32006-10-01 15:55:11 +0000457int bb_make_directory(char *path, long mode, int flags);
Matt Kraaiceeff732001-06-21 19:41:37 +0000458
Denis Vlasenkoa77947f2006-09-27 14:19:16 +0000459int get_signum(const char *name);
460const char *get_signame(int number);
Rob Landleyc9c1a412006-07-12 19:17:55 +0000461
Manuel Novoa III cad53642003-03-19 09:13:01 +0000462char *bb_simplify_path(const char *path);
Eric Andersen34506362001-08-02 05:02:46 +0000463
Denis Vlasenkodca0b702006-10-27 09:05:02 +0000464#define FAIL_DELAY 3
465extern void bb_do_delay(int seconds);
466extern void change_identity(const struct passwd *pw);
467extern const char *change_identity_e2str(const struct passwd *pw);
468extern void run_shell(const char *shell, int loginshell, const char *command, const char **additional_args);
469#ifdef CONFIG_SELINUX
470extern void renew_current_security_context(void);
471extern void set_current_security_context(security_context_t sid);
472#endif
473extern int run_parts(char **args, const unsigned char test_mode, char **env);
474extern int restricted_shell(const char *shell);
475extern void setup_environment(const char *shell, int loginshell, int changeenv, const struct passwd *pw);
476extern int correct_password(const struct passwd *pw);
477extern char *pw_encrypt(const char *clear, const char *salt);
478extern int obscure(const char *old, const char *newval, const struct passwd *pwdp);
479extern int compare_string_array(const char * const string_array[], const char *key);
480extern void print_login_issue(const char *issue_file, const char *tty);
481extern void print_login_prompt(void);
482#ifdef BB_NOMMU
483extern void vfork_daemon(int nochdir, int noclose);
484extern void vfork_daemon_rexec(int nochdir, int noclose,
485 int argc, char **argv, char *foreground_opt);
486#endif
487extern int get_terminal_width_height(int fd, int *width, int *height);
488extern unsigned long get_ug_id(const char *s, long (*__bb_getxxnam)(const char *));
489
490int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
491void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
492void reset_ino_dev_hashtable(void);
493
494
495#ifndef COMM_LEN
496#ifdef TASK_COMM_LEN
497#define COMM_LEN TASK_COMM_LEN
498#else
499/* synchronize with sizeof(task_struct.comm) in /usr/include/linux/sched.h */
500#define COMM_LEN 16
501#endif
502#endif
503typedef struct {
Denis Vlasenko35fb5122006-11-01 09:16:49 +0000504 pid_t pid, ppid;
Denis Vlasenkodca0b702006-10-27 09:05:02 +0000505 char user[9];
506 char state[4];
507 unsigned long rss;
Denis Vlasenkodca0b702006-10-27 09:05:02 +0000508#ifdef CONFIG_FEATURE_TOP_CPU_USAGE_PERCENTAGE
509 unsigned pcpu;
510 unsigned pscpu;
511 unsigned long stime, utime;
512#endif
513 char *cmd;
514
515 /* basename of executable file in call to exec(2),
516 size from kernel headers */
517 char short_cmd[COMM_LEN];
518} procps_status_t;
519procps_status_t* procps_scan(int save_user_arg0);
Denis Vlasenko35fb5122006-11-01 09:16:49 +0000520pid_t *find_pid_by_name(const char* procName);
521pid_t *pidlist_reverse(pid_t *pidList);
Denis Vlasenkodca0b702006-10-27 09:05:02 +0000522
523
524extern const char bb_uuenc_tbl_base64[];
525extern const char bb_uuenc_tbl_std[];
526void bb_uuencode(const unsigned char *s, char *store, const int length, const char *tbl);
527
528typedef struct _sha1_ctx_t_ {
529 uint32_t count[2];
530 uint32_t hash[5];
531 uint32_t wbuf[16];
532} sha1_ctx_t;
533void sha1_begin(sha1_ctx_t *ctx);
534void sha1_hash(const void *data, size_t length, sha1_ctx_t *ctx);
535void *sha1_end(void *resbuf, sha1_ctx_t *ctx);
536
537typedef struct _md5_ctx_t_ {
538 uint32_t A;
539 uint32_t B;
540 uint32_t C;
541 uint32_t D;
542 uint64_t total;
543 uint32_t buflen;
544 char buffer[128];
545} md5_ctx_t;
546void md5_begin(md5_ctx_t *ctx);
547void md5_hash(const void *data, size_t length, md5_ctx_t *ctx);
548void *md5_end(void *resbuf, md5_ctx_t *ctx);
549
550uint32_t *crc32_filltable(int endian);
551
552
Manuel Novoa III cad53642003-03-19 09:13:01 +0000553enum { /* DO NOT CHANGE THESE VALUES! cp.c depends on them. */
Matt Kraai01441032001-04-24 01:30:02 +0000554 FILEUTILS_PRESERVE_STATUS = 1,
Matt Kraai4c557bf2001-10-05 01:35:10 +0000555 FILEUTILS_DEREFERENCE = 2,
Matt Kraai01441032001-04-24 01:30:02 +0000556 FILEUTILS_RECUR = 4,
557 FILEUTILS_FORCE = 8,
Denis Vlasenkof24e1f42006-10-21 23:40:20 +0000558 FILEUTILS_INTERACTIVE = 0x10,
559 FILEUTILS_MAKE_HARDLINK = 0x20,
560 FILEUTILS_MAKE_SOFTLINK = 0x40,
Matt Kraai91b28552001-04-23 18:53:07 +0000561};
Denis Vlasenkof24e1f42006-10-21 23:40:20 +0000562#define FILEUTILS_CP_OPTSTR "pdRfils"
Matt Kraai91b28552001-04-23 18:53:07 +0000563
Denis Vlasenko8f8f2682006-10-03 21:00:43 +0000564extern const char *applet_name;
Denis Vlasenkodca0b702006-10-27 09:05:02 +0000565extern const char BB_BANNER[];
Manuel Novoa III cad53642003-03-19 09:13:01 +0000566
Denis Vlasenko0b5fd452006-09-19 09:55:09 +0000567extern const char bb_msg_full_version[];
568extern const char bb_msg_memory_exhausted[];
569extern const char bb_msg_invalid_date[];
Denis Vlasenko0b5fd452006-09-19 09:55:09 +0000570extern const char bb_msg_read_error[];
571extern const char bb_msg_write_error[];
572extern const char bb_msg_name_longer_than_foo[];
573extern const char bb_msg_unknown[];
574extern const char bb_msg_can_not_create_raw_socket[];
575extern const char bb_msg_perm_denied_are_you_root[];
576extern const char bb_msg_requires_arg[];
577extern const char bb_msg_invalid_arg[];
578extern const char bb_msg_standard_input[];
579extern const char bb_msg_standard_output[];
Manuel Novoa III cad53642003-03-19 09:13:01 +0000580
Denis Vlasenkodca0b702006-10-27 09:05:02 +0000581extern const char bb_path_mtab_file[];
Denis Vlasenko0b5fd452006-09-19 09:55:09 +0000582extern const char bb_path_nologin_file[];
583extern const char bb_path_passwd_file[];
584extern const char bb_path_shadow_file[];
585extern const char bb_path_gshadow_file[];
586extern const char bb_path_group_file[];
587extern const char bb_path_securetty_file[];
588extern const char bb_path_motd_file[];
589extern const char bb_path_wtmp_file[];
590extern const char bb_dev_null[];
"Vladimir N. Oleynik"6f347ef2005-10-15 10:23:55 +0000591
592#ifndef BUFSIZ
593#define BUFSIZ 4096
594#endif
595extern char bb_common_bufsiz1[BUFSIZ+1];
596
Denis Vlasenkodca0b702006-10-27 09:05:02 +0000597/* You can change LIBBB_DEFAULT_LOGIN_SHELL, but don't use it,
598 * use bb_default_login_shell and following defines.
599 * If you change LIBBB_DEFAULT_LOGIN_SHELL,
600 * don't forget to change increment constant. */
Glenn L McGrathdc4e75e2003-09-02 02:36:18 +0000601#define LIBBB_DEFAULT_LOGIN_SHELL "-/bin/sh"
Denis Vlasenko0b5fd452006-09-19 09:55:09 +0000602extern const char bb_default_login_shell[];
Glenn L McGrathdc4e75e2003-09-02 02:36:18 +0000603/* "/bin/sh" */
604#define DEFAULT_SHELL (bb_default_login_shell+1)
605/* "sh" */
606#define DEFAULT_SHELL_SHORT_NAME (bb_default_login_shell+6)
607
608
Eric Andersenbdfd0d72001-10-24 05:00:29 +0000609#ifdef CONFIG_FEATURE_DEVFS
Matt Kraai439e3df2001-07-23 14:52:08 +0000610# define CURRENT_VC "/dev/vc/0"
611# define VC_1 "/dev/vc/1"
612# define VC_2 "/dev/vc/2"
613# define VC_3 "/dev/vc/3"
614# define VC_4 "/dev/vc/4"
615# define VC_5 "/dev/vc/5"
Eric Andersen592ebd52003-07-22 07:33:14 +0000616#if defined(__sh__) || defined(__H8300H__) || defined(__H8300S__)
617/* Yes, this sucks, but both SH (including sh64) and H8 have a SCI(F) for their
618 respective serial ports .. as such, we can't use the common device paths for
619 these. -- PFM */
620# define SC_0 "/dev/ttsc/0"
621# define SC_1 "/dev/ttsc/1"
622# define SC_FORMAT "/dev/ttsc/%d"
623#else
624# define SC_0 "/dev/tts/0"
625# define SC_1 "/dev/tts/1"
626# define SC_FORMAT "/dev/tts/%d"
627#endif
Matt Kraai439e3df2001-07-23 14:52:08 +0000628# define VC_FORMAT "/dev/vc/%d"
Eric Andersenc7a3fb92002-03-20 15:25:25 +0000629# define LOOP_FORMAT "/dev/loop/%d"
Denis Vlasenko0b193a72006-09-29 21:47:11 +0000630# define LOOP_NAME "/dev/loop/"
Eric Andersen5f284552003-11-14 03:11:29 +0000631# define FB_0 "/dev/fb/0"
Matt Kraai439e3df2001-07-23 14:52:08 +0000632#else
633# define CURRENT_VC "/dev/tty0"
634# define VC_1 "/dev/tty1"
635# define VC_2 "/dev/tty2"
636# define VC_3 "/dev/tty3"
637# define VC_4 "/dev/tty4"
638# define VC_5 "/dev/tty5"
Eric Andersen592ebd52003-07-22 07:33:14 +0000639#if defined(__sh__) || defined(__H8300H__) || defined(__H8300S__)
640# define SC_0 "/dev/ttySC0"
641# define SC_1 "/dev/ttySC1"
642# define SC_FORMAT "/dev/ttySC%d"
643#else
644# define SC_0 "/dev/ttyS0"
645# define SC_1 "/dev/ttyS1"
646# define SC_FORMAT "/dev/ttyS%d"
647#endif
Matt Kraai439e3df2001-07-23 14:52:08 +0000648# define VC_FORMAT "/dev/tty%d"
Eric Andersenc7a3fb92002-03-20 15:25:25 +0000649# define LOOP_FORMAT "/dev/loop%d"
Denis Vlasenko0b193a72006-09-29 21:47:11 +0000650# define LOOP_NAME "/dev/loop"
Eric Andersen5f284552003-11-14 03:11:29 +0000651# define FB_0 "/dev/fb0"
Matt Kraai439e3df2001-07-23 14:52:08 +0000652#endif
653
654/* The following devices are the same on devfs and non-devfs systems. */
655#define CURRENT_TTY "/dev/tty"
656#define CONSOLE_DEV "/dev/console"
657
Rob Landleyc57ec372006-04-10 17:07:15 +0000658
Rob Landleyb623a542006-05-31 22:09:03 +0000659#ifndef RB_POWER_OFF
660/* Stop system and switch power off if possible. */
661#define RB_POWER_OFF 0x4321fedc
662#endif
663
Rob Landley4ae905a2006-07-06 17:22:54 +0000664// Make sure we call functions instead of macros.
665#undef isalnum
666#undef isalpha
667#undef isascii
668#undef isblank
669#undef iscntrl
670#undef isdigit
671#undef isgraph
672#undef islower
673#undef isprint
674#undef ispunct
675#undef isspace
676#undef isupper
677#undef isxdigit
678
Bernhard Reutner-Fischer73561cc2006-08-28 23:31:54 +0000679#ifdef DMALLOC
680#include <dmalloc.h>
681#endif
682
Bernhard Reutner-Fischer86f5c992006-01-22 22:55:11 +0000683#endif /* __LIBBUSYBOX_H__ */