mirror of
https://github.com/sheumann/hush.git
synced 2024-12-22 14:30:31 +00:00
735 lines
25 KiB
C
735 lines
25 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Busybox main internal header file
|
|
*
|
|
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
|
* Permission has been granted to redistribute this code under the GPL.
|
|
*
|
|
* Licensed under the GPL version 2, see the file LICENSE in this tarball.
|
|
*/
|
|
#ifndef __LIBBUSYBOX_H__
|
|
#define __LIBBUSYBOX_H__ 1
|
|
|
|
#include "platform.h"
|
|
|
|
#include <ctype.h>
|
|
#include <dirent.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <inttypes.h>
|
|
#include <malloc.h>
|
|
#include <netdb.h>
|
|
#include <setjmp.h>
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <stdarg.h>
|
|
#include <string.h>
|
|
#include <strings.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/mman.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/statfs.h>
|
|
#include <sys/time.h>
|
|
#include <sys/types.h>
|
|
#include <sys/wait.h>
|
|
#include <termios.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
#include <utime.h>
|
|
|
|
#if ENABLE_SELINUX
|
|
#include <selinux/selinux.h>
|
|
#endif
|
|
|
|
#if ENABLE_LOCALE_SUPPORT
|
|
#include <locale.h>
|
|
#else
|
|
#define setlocale(x,y) ((void)0)
|
|
#endif
|
|
|
|
#include "pwd_.h"
|
|
#include "grp_.h"
|
|
/* ifdef it out, because it may include <shadow.h> */
|
|
/* and we may not even _have_ <shadow.h>! */
|
|
#if ENABLE_FEATURE_SHADOWPASSWDS
|
|
#include "shadow_.h"
|
|
#endif
|
|
|
|
/* Try to pull in PATH_MAX */
|
|
#include <limits.h>
|
|
#include <sys/param.h>
|
|
#ifndef PATH_MAX
|
|
#define PATH_MAX 256
|
|
#endif
|
|
|
|
/* Tested to work correctly (IIRC :]) */
|
|
#define MAXINT(T) (T)( \
|
|
((T)-1) > 0 \
|
|
? (T)-1 \
|
|
: (T)~((T)1 << (sizeof(T)*8-1)) \
|
|
)
|
|
|
|
#define MININT(T) (T)( \
|
|
((T)-1) > 0 \
|
|
? (T)0 \
|
|
: ((T)1 << (sizeof(T)*8-1)) \
|
|
)
|
|
|
|
/* Large file support */
|
|
/* Note that CONFIG_LFS forces bbox to be built with all common ops
|
|
* (stat, lseek etc) mapped to "largefile" variants by libc.
|
|
* Practically it means that open() automatically has O_LARGEFILE added
|
|
* and all filesize/file_offset parameters and struct members are "large"
|
|
* (in today's world - signed 64bit). For full support of large files,
|
|
* we need a few helper #defines (below) and careful use of off_t
|
|
* instead of int/ssize_t. No lseek64(), O_LARGEFILE etc necessary */
|
|
#if ENABLE_LFS
|
|
/* CONFIG_LFS is on */
|
|
# if ULONG_MAX > 0xffffffff
|
|
/* "long" is long enough on this system */
|
|
# define XATOOFF(a) xatoul_range(a, 0, LONG_MAX)
|
|
/* usage: sz = BB_STRTOOFF(s, NULL, 10); if (errno || sz < 0) die(); */
|
|
# define BB_STRTOOFF bb_strtoul
|
|
# define STRTOOFF strtoul
|
|
/* usage: printf("size: %"OFF_FMT"d (%"OFF_FMT"x)\n", sz, sz); */
|
|
# define OFF_FMT "l"
|
|
# else
|
|
/* "long" is too short, need "long long" */
|
|
# define XATOOFF(a) xatoull_range(a, 0, LLONG_MAX)
|
|
# define BB_STRTOOFF bb_strtoull
|
|
# define STRTOOFF strtoull
|
|
# define OFF_FMT "ll"
|
|
# endif
|
|
#else
|
|
/* CONFIG_LFS is off */
|
|
# if UINT_MAX == 0xffffffff
|
|
/* While sizeof(off_t) == sizeof(int), off_t is typedef'ed to long anyway.
|
|
* gcc will throw warnings on printf("%d", off_t). Crap... */
|
|
# define XATOOFF(a) xatoi_u(a)
|
|
# define BB_STRTOOFF bb_strtou
|
|
# define STRTOOFF strtol
|
|
# define OFF_FMT "l"
|
|
# else
|
|
# define XATOOFF(a) xatoul_range(a, 0, LONG_MAX)
|
|
# define BB_STRTOOFF bb_strtoul
|
|
# define STRTOOFF strtol
|
|
# define OFF_FMT "l"
|
|
# endif
|
|
#endif
|
|
/* scary. better ideas? (but do *test* them first!) */
|
|
#define OFF_T_MAX ((off_t)~((off_t)1 << (sizeof(off_t)*8-1)))
|
|
|
|
/* Some useful definitions */
|
|
#undef FALSE
|
|
#define FALSE ((int) 0)
|
|
#undef TRUE
|
|
#define TRUE ((int) 1)
|
|
#undef SKIP
|
|
#define SKIP ((int) 2)
|
|
|
|
/* for mtab.c */
|
|
#define MTAB_GETMOUNTPT '1'
|
|
#define MTAB_GETDEVICE '2'
|
|
|
|
#define BUF_SIZE 8192
|
|
#define EXPAND_ALLOC 1024
|
|
|
|
/* Macros for min/max. */
|
|
#ifndef MIN
|
|
#define MIN(a,b) (((a)<(b))?(a):(b))
|
|
#endif
|
|
|
|
#ifndef MAX
|
|
#define MAX(a,b) (((a)>(b))?(a):(b))
|
|
#endif
|
|
|
|
/* buffer allocation schemes */
|
|
#if ENABLE_FEATURE_BUFFERS_GO_ON_STACK
|
|
#define RESERVE_CONFIG_BUFFER(buffer,len) char buffer[len]
|
|
#define RESERVE_CONFIG_UBUFFER(buffer,len) unsigned char buffer[len]
|
|
#define RELEASE_CONFIG_BUFFER(buffer) ((void)0)
|
|
#else
|
|
#if ENABLE_FEATURE_BUFFERS_GO_IN_BSS
|
|
#define RESERVE_CONFIG_BUFFER(buffer,len) static char buffer[len]
|
|
#define RESERVE_CONFIG_UBUFFER(buffer,len) static unsigned char buffer[len]
|
|
#define RELEASE_CONFIG_BUFFER(buffer) ((void)0)
|
|
#else
|
|
#define RESERVE_CONFIG_BUFFER(buffer,len) char *buffer=xmalloc(len)
|
|
#define RESERVE_CONFIG_UBUFFER(buffer,len) unsigned char *buffer=xmalloc(len)
|
|
#define RELEASE_CONFIG_BUFFER(buffer) free (buffer)
|
|
#endif
|
|
#endif
|
|
|
|
|
|
#if defined(__GLIBC__) && __GLIBC__ < 2
|
|
int vdprintf(int d, const char *format, va_list ap);
|
|
#endif
|
|
// This is declared here rather than #including <libgen.h> in order to avoid
|
|
// confusing the two versions of basename. See the dirname/basename man page
|
|
// for details.
|
|
char *dirname(char *path);
|
|
/* Include our own copy of struct sysinfo to avoid binary compatibility
|
|
* problems with Linux 2.4, which changed things. Grumble, grumble. */
|
|
struct sysinfo {
|
|
long uptime; /* Seconds since boot */
|
|
unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
|
|
unsigned long totalram; /* Total usable main memory size */
|
|
unsigned long freeram; /* Available memory size */
|
|
unsigned long sharedram; /* Amount of shared memory */
|
|
unsigned long bufferram; /* Memory used by buffers */
|
|
unsigned long totalswap; /* Total swap space size */
|
|
unsigned long freeswap; /* swap space still available */
|
|
unsigned short procs; /* Number of current processes */
|
|
unsigned short pad; /* Padding needed for m68k */
|
|
unsigned long totalhigh; /* Total high memory size */
|
|
unsigned long freehigh; /* Available high memory size */
|
|
unsigned int mem_unit; /* Memory unit size in bytes */
|
|
char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
|
|
};
|
|
extern int sysinfo(struct sysinfo* info);
|
|
|
|
|
|
/* Size-saving "small" ints (arch-dependent) */
|
|
#if defined(i386) || defined (__mips__)
|
|
/* add other arches which benefit from this... */
|
|
typedef signed char smallint;
|
|
typedef unsigned char smalluint;
|
|
#else
|
|
/* for arches where byte accesses generate larger code: */
|
|
typedef int smallint;
|
|
typedef unsigned smalluint;
|
|
#endif
|
|
|
|
|
|
extern void chomp(char *s);
|
|
extern void trim(char *s);
|
|
extern char *skip_whitespace(const char *);
|
|
extern char *skip_non_whitespace(const char *);
|
|
|
|
extern const char *bb_mode_string(int mode);
|
|
extern int is_directory(const char *name, int followLinks, struct stat *statBuf);
|
|
extern int remove_file(const char *path, int flags);
|
|
extern int copy_file(const char *source, const char *dest, int flags);
|
|
extern int recursive_action(const char *fileName, int recurse,
|
|
int followLinks, int depthFirst,
|
|
int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData, int depth),
|
|
int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData, int depth),
|
|
void* userData, int depth);
|
|
extern int device_open(const char *device, int mode);
|
|
extern int get_console_fd(void);
|
|
extern char *find_block_device(char *path);
|
|
/* bb_copyfd_XX print read/write errors and return -1 if they occur */
|
|
extern off_t bb_copyfd_eof(int fd1, int fd2);
|
|
extern off_t bb_copyfd_size(int fd1, int fd2, off_t size);
|
|
extern void bb_copyfd_exact_size(int fd1, int fd2, off_t size);
|
|
/* "short" copy can be detected by return value < size */
|
|
/* this helper yells "short read!" if param is not -1 */
|
|
extern void complain_copyfd_and_die(off_t sz) ATTRIBUTE_NORETURN;
|
|
extern char bb_process_escape_sequence(const char **ptr);
|
|
extern char *bb_get_last_path_component(char *path);
|
|
extern int ndelay_on(int fd);
|
|
extern int ndelay_off(int fd);
|
|
|
|
|
|
extern DIR *xopendir(const char *path);
|
|
extern DIR *warn_opendir(const char *path);
|
|
|
|
char *xgetcwd(char *cwd);
|
|
char *xreadlink(const char *path);
|
|
extern void xstat(char *filename, struct stat *buf);
|
|
extern pid_t spawn(char **argv);
|
|
extern pid_t xspawn(char **argv);
|
|
extern int wait4pid(int pid);
|
|
extern void xsetgid(gid_t gid);
|
|
extern void xsetuid(uid_t uid);
|
|
extern void xdaemon(int nochdir, int noclose);
|
|
extern void xchdir(const char *path);
|
|
extern void xsetenv(const char *key, const char *value);
|
|
extern int xopen(const char *pathname, int flags);
|
|
extern int xopen3(const char *pathname, int flags, int mode);
|
|
extern off_t xlseek(int fd, off_t offset, int whence);
|
|
extern off_t fdlength(int fd);
|
|
|
|
|
|
extern int xsocket(int domain, int type, int protocol);
|
|
extern void xbind(int sockfd, struct sockaddr *my_addr, socklen_t addrlen);
|
|
extern void xlisten(int s, int backlog);
|
|
extern void xconnect(int s, const struct sockaddr *s_addr, socklen_t addrlen);
|
|
extern int xconnect_tcp_v4(struct sockaddr_in *s_addr);
|
|
extern struct hostent *xgethostbyname(const char *name);
|
|
extern struct hostent *xgethostbyname2(const char *name, int af);
|
|
extern int xsocket_stream_ip4or6(sa_family_t *fp);
|
|
typedef union {
|
|
struct sockaddr sa;
|
|
struct sockaddr_in sin;
|
|
#if ENABLE_FEATURE_IPV6
|
|
struct sockaddr_in6 sin6;
|
|
#endif
|
|
} sockaddr_inet;
|
|
extern int dotted2sockaddr(const char *dotted, struct sockaddr* sp, int socklen);
|
|
extern int create_and_bind_socket_ip4or6(const char *hostaddr, int port);
|
|
extern int setsockopt_reuseaddr(int fd);
|
|
extern int setsockopt_broadcast(int fd);
|
|
|
|
|
|
extern char *xstrdup(const char *s);
|
|
extern char *xstrndup(const char *s, int n);
|
|
extern char *safe_strncpy(char *dst, const char *src, size_t size);
|
|
extern char *xasprintf(const char *format, ...) __attribute__ ((format (printf, 1, 2)));
|
|
// gcc-4.1.1 still isn't good enough at optimizing it
|
|
// (+200 bytes compared to macro)
|
|
//static ATTRIBUTE_ALWAYS_INLINE
|
|
//int LONE_DASH(const char *s) { return s[0] == '-' && !s[1]; }
|
|
//static ATTRIBUTE_ALWAYS_INLINE
|
|
//int NOT_LONE_DASH(const char *s) { return s[0] != '-' || s[1]; }
|
|
#define LONE_DASH(s) ((s)[0] == '-' && !(s)[1])
|
|
#define NOT_LONE_DASH(s) ((s)[0] != '-' || (s)[1])
|
|
#define LONE_CHAR(s,c) ((s)[0] == (c) && !(s)[1])
|
|
#define NOT_LONE_CHAR(s,c) ((s)[0] != (c) || (s)[1])
|
|
|
|
/* dmalloc will redefine these to it's own implementation. It is safe
|
|
* to have the prototypes here unconditionally. */
|
|
extern void *xmalloc(size_t size);
|
|
extern void *xrealloc(void *old, size_t size);
|
|
extern void *xzalloc(size_t size);
|
|
|
|
extern ssize_t safe_read(int fd, void *buf, size_t count);
|
|
extern ssize_t full_read(int fd, void *buf, size_t count);
|
|
extern void xread(int fd, void *buf, size_t count);
|
|
extern unsigned char xread_char(int fd);
|
|
extern char *reads(int fd, char *buf, size_t count);
|
|
extern ssize_t read_close(int fd, void *buf, size_t count);
|
|
extern ssize_t open_read_close(const char *filename, void *buf, size_t count);
|
|
extern void *xmalloc_open_read_close(const char *filename, size_t *sizep);
|
|
|
|
extern ssize_t safe_write(int fd, const void *buf, size_t count);
|
|
extern ssize_t full_write(int fd, const void *buf, size_t count);
|
|
extern void xwrite(int fd, const void *buf, size_t count);
|
|
|
|
/* Reads and prints to stdout till eof, then closes FILE. Exits on error: */
|
|
extern void xprint_and_close_file(FILE *file);
|
|
extern char *xmalloc_fgets(FILE *file);
|
|
/* Read up to (and including) TERMINATING_STRING: */
|
|
extern char *xmalloc_fgets_str(FILE *file, const char *terminating_string);
|
|
/* Chops off '\n' from the end, unlike fgets: */
|
|
extern char *xmalloc_getline(FILE *file);
|
|
extern char *bb_get_chunk_from_file(FILE *file, int *end);
|
|
extern void die_if_ferror(FILE *file, const char *msg);
|
|
extern void die_if_ferror_stdout(void);
|
|
extern void xfflush_stdout(void);
|
|
extern void fflush_stdout_and_exit(int retval) ATTRIBUTE_NORETURN;
|
|
extern int fclose_if_not_stdin(FILE *file);
|
|
extern FILE *xfopen(const char *filename, const char *mode);
|
|
/* Prints warning to stderr and returns NULL on failure: */
|
|
extern FILE *fopen_or_warn(const char *filename, const char *mode);
|
|
/* "Opens" stdin if filename is special, else just opens file: */
|
|
extern FILE *fopen_or_warn_stdin(const char *filename);
|
|
|
|
|
|
extern void smart_ulltoa5(unsigned long long ul, char buf[5]);
|
|
extern void utoa_to_buf(unsigned n, char *buf, unsigned buflen);
|
|
extern char *utoa(unsigned n);
|
|
extern void itoa_to_buf(int n, char *buf, unsigned buflen);
|
|
extern char *itoa(int n);
|
|
|
|
struct suffix_mult {
|
|
const char *suffix;
|
|
unsigned mult;
|
|
};
|
|
#include "xatonum.h"
|
|
/* Specialized: */
|
|
/* Using xatoi() instead of naive atoi() is not always convenient -
|
|
* in many places people want *non-negative* values, but store them
|
|
* in signed int. Therefore we need this one:
|
|
* dies if input is not in [0, INT_MAX] range. Also will reject '-0' etc */
|
|
int xatoi_u(const char *numstr);
|
|
/* Useful for reading port numbers */
|
|
uint16_t xatou16(const char *numstr);
|
|
|
|
|
|
/* These parse entries in /etc/passwd and /etc/group. This is desirable
|
|
* for BusyBox since we want to avoid using the glibc NSS stuff, which
|
|
* increases target size and is often not needed on embedded systems. */
|
|
extern long xuname2uid(const char *name);
|
|
extern long xgroup2gid(const char *name);
|
|
/* wrapper: allows string to contain numeric uid or gid */
|
|
extern unsigned long get_ug_id(const char *s, long (*xname2id)(const char *));
|
|
/* from chpst. Does not die, returns 0 on failure */
|
|
struct bb_uidgid_t {
|
|
uid_t uid;
|
|
gid_t gid;
|
|
};
|
|
extern int get_uidgid(struct bb_uidgid_t*, const char*, int numeric_ok);
|
|
/* what is this? */
|
|
/*extern char *bb_getug(char *buffer, char *idname, long id, int bufsize, char prefix);*/
|
|
extern char *bb_getpwuid(char *name, long uid, int bufsize);
|
|
extern char *bb_getgrgid(char *group, long gid, int bufsize);
|
|
|
|
|
|
enum { BB_GETOPT_ERROR = 0x80000000 };
|
|
extern const char *opt_complementary;
|
|
#if ENABLE_GETOPT_LONG
|
|
extern const struct option *applet_long_options;
|
|
#endif
|
|
extern uint32_t option_mask32;
|
|
extern uint32_t getopt32(int argc, char **argv, const char *applet_opts, ...);
|
|
|
|
|
|
typedef struct llist_s {
|
|
char *data;
|
|
struct llist_s *link;
|
|
} llist_t;
|
|
extern void llist_add_to(llist_t **old_head, void *data);
|
|
extern void llist_add_to_end(llist_t **list_head, void *data);
|
|
extern void *llist_pop(llist_t **elm);
|
|
extern void llist_free(llist_t *elm, void (*freeit)(void *data));
|
|
extern llist_t* rev_llist(llist_t *list);
|
|
|
|
enum {
|
|
LOGMODE_NONE = 0,
|
|
LOGMODE_STDIO = 1<<0,
|
|
LOGMODE_SYSLOG = 1<<1,
|
|
LOGMODE_BOTH = LOGMODE_SYSLOG + LOGMODE_STDIO,
|
|
};
|
|
extern const char *msg_eol;
|
|
extern int logmode;
|
|
extern int die_sleep;
|
|
extern int xfunc_error_retval;
|
|
extern void sleep_and_die(void) ATTRIBUTE_NORETURN;
|
|
extern void bb_show_usage(void) ATTRIBUTE_NORETURN ATTRIBUTE_EXTERNALLY_VISIBLE;
|
|
extern void bb_error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
|
|
extern void bb_error_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
|
|
extern void bb_perror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
|
|
extern void bb_perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
|
|
extern void bb_vherror_msg(const char *s, va_list p);
|
|
extern void bb_herror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
|
|
extern void bb_herror_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
|
|
extern void bb_perror_nomsg_and_die(void) ATTRIBUTE_NORETURN;
|
|
extern void bb_perror_nomsg(void);
|
|
extern void bb_info_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
|
|
/* These are used internally -- you shouldn't need to use them */
|
|
extern void bb_verror_msg(const char *s, va_list p, const char *strerr);
|
|
extern void bb_vperror_msg(const char *s, va_list p);
|
|
extern void bb_vinfo_msg(const char *s, va_list p);
|
|
|
|
|
|
/* applets which are useful from another applets */
|
|
extern int bb_cat(char** argv);
|
|
extern int bb_echo(char** argv);
|
|
extern int bb_test(int argc, char** argv);
|
|
|
|
|
|
/* Networking */
|
|
int create_icmp_socket(void);
|
|
int create_icmp6_socket(void);
|
|
/* interface.c */
|
|
extern int interface_opt_a;
|
|
int display_interfaces(char *ifname);
|
|
|
|
|
|
#ifndef BUILD_INDIVIDUAL
|
|
extern struct BB_applet *find_applet_by_name(const char *name);
|
|
extern void run_applet_by_name(const char *name, int argc, char **argv);
|
|
#endif
|
|
|
|
extern struct mntent *find_mount_point(const char *name, const char *table);
|
|
extern void erase_mtab(const char * name);
|
|
extern unsigned int tty_baud_to_value(speed_t speed);
|
|
extern speed_t tty_value_to_baud(unsigned int value);
|
|
extern void bb_warn_ignoring_args(int n);
|
|
|
|
extern int get_linux_version_code(void);
|
|
|
|
extern char *query_loop(const char *device);
|
|
extern int del_loop(const char *device);
|
|
extern int set_loop(char **device, const char *file, unsigned long long offset);
|
|
|
|
|
|
const char *make_human_readable_str(unsigned long long size,
|
|
unsigned long block_size, unsigned long display_unit);
|
|
|
|
char *bb_askpass(int timeout, const char * prompt);
|
|
int bb_ask_confirmation(void);
|
|
int klogctl(int type, char * b, int len);
|
|
|
|
extern int bb_parse_mode(const char* s, mode_t* theMode);
|
|
|
|
char *concat_path_file(const char *path, const char *filename);
|
|
char *concat_subpath_file(const char *path, const char *filename);
|
|
char *last_char_is(const char *s, int c);
|
|
|
|
int execable_file(const char *name);
|
|
char *find_execable(const char *filename);
|
|
int exists_execable(const char *filename);
|
|
|
|
USE_DESKTOP(long long) int uncompress(int fd_in, int fd_out);
|
|
int inflate(int in, int out);
|
|
|
|
|
|
unsigned short bb_lookup_port(const char *port, const char *protocol, unsigned short default_port);
|
|
void bb_lookup_host(struct sockaddr_in *s_in, const char *host);
|
|
|
|
int bb_make_directory(char *path, long mode, int flags);
|
|
|
|
int get_signum(const char *name);
|
|
const char *get_signame(int number);
|
|
|
|
char *bb_simplify_path(const char *path);
|
|
|
|
#define FAIL_DELAY 3
|
|
extern void bb_do_delay(int seconds);
|
|
extern void change_identity(const struct passwd *pw);
|
|
extern const char *change_identity_e2str(const struct passwd *pw);
|
|
extern void run_shell(const char *shell, int loginshell, const char *command, const char **additional_args);
|
|
#if ENABLE_SELINUX
|
|
extern void renew_current_security_context(void);
|
|
extern void set_current_security_context(security_context_t sid);
|
|
#endif
|
|
extern int restricted_shell(const char *shell);
|
|
extern void setup_environment(const char *shell, int loginshell, int changeenv, const struct passwd *pw);
|
|
extern int correct_password(const struct passwd *pw);
|
|
extern char *pw_encrypt(const char *clear, const char *salt);
|
|
extern int obscure(const char *old, const char *newval, const struct passwd *pwdp);
|
|
extern int index_in_str_array(const char * const string_array[], const char *key);
|
|
extern int index_in_substr_array(const char * const string_array[], const char *key);
|
|
extern void print_login_issue(const char *issue_file, const char *tty);
|
|
extern void print_login_prompt(void);
|
|
#ifdef BB_NOMMU
|
|
extern void vfork_daemon(int nochdir, int noclose);
|
|
extern void vfork_daemon_rexec(int nochdir, int noclose,
|
|
int argc, char **argv, char *foreground_opt);
|
|
#endif
|
|
extern int get_terminal_width_height(int fd, int *width, int *height);
|
|
|
|
int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
|
|
void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
|
|
void reset_ino_dev_hashtable(void);
|
|
#ifdef __GLIBC__
|
|
/* At least glibc has horrendously large inline for this, so wrap it */
|
|
extern unsigned long long bb_makedev(unsigned int major, unsigned int minor);
|
|
#undef makedev
|
|
#define makedev(a,b) bb_makedev(a,b)
|
|
#endif
|
|
|
|
|
|
#ifndef COMM_LEN
|
|
#ifdef TASK_COMM_LEN
|
|
enum { COMM_LEN = TASK_COMM_LEN };
|
|
#else
|
|
/* synchronize with sizeof(task_struct.comm) in /usr/include/linux/sched.h */
|
|
enum { COMM_LEN = 16 };
|
|
#endif
|
|
#endif
|
|
typedef struct {
|
|
DIR *dir;
|
|
/* Fields are set to 0/NULL if failed to determine (or not requested) */
|
|
char *cmd;
|
|
unsigned long rss;
|
|
unsigned long stime, utime;
|
|
unsigned pid;
|
|
unsigned ppid;
|
|
unsigned pgid;
|
|
unsigned sid;
|
|
unsigned uid;
|
|
unsigned gid;
|
|
/* basename of executable file in call to exec(2), size from */
|
|
/* sizeof(task_struct.comm) in /usr/include/linux/sched.h */
|
|
char state[4];
|
|
char comm[COMM_LEN];
|
|
// user/group? - use passwd/group parsing functions
|
|
} procps_status_t;
|
|
enum {
|
|
PSSCAN_PID = 1 << 0,
|
|
PSSCAN_PPID = 1 << 1,
|
|
PSSCAN_PGID = 1 << 2,
|
|
PSSCAN_SID = 1 << 3,
|
|
PSSCAN_UIDGID = 1 << 4,
|
|
PSSCAN_COMM = 1 << 5,
|
|
PSSCAN_CMD = 1 << 6,
|
|
PSSCAN_STATE = 1 << 7,
|
|
PSSCAN_RSS = 1 << 8,
|
|
PSSCAN_STIME = 1 << 9,
|
|
PSSCAN_UTIME = 1 << 10,
|
|
/* These are all retrieved from proc/NN/stat in one go: */
|
|
PSSCAN_STAT = PSSCAN_PPID | PSSCAN_PGID | PSSCAN_SID
|
|
| PSSCAN_COMM | PSSCAN_STATE
|
|
| PSSCAN_RSS | PSSCAN_STIME | PSSCAN_UTIME,
|
|
};
|
|
procps_status_t* alloc_procps_scan(int flags);
|
|
void free_procps_scan(procps_status_t* sp);
|
|
procps_status_t* procps_scan(procps_status_t* sp, int flags);
|
|
pid_t *find_pid_by_name(const char* procName);
|
|
pid_t *pidlist_reverse(pid_t *pidList);
|
|
void clear_username_cache(void);
|
|
const char* get_cached_username(uid_t uid);
|
|
const char* get_cached_groupname(gid_t gid);
|
|
|
|
|
|
extern const char bb_uuenc_tbl_base64[];
|
|
extern const char bb_uuenc_tbl_std[];
|
|
void bb_uuencode(const unsigned char *s, char *store, const int length, const char *tbl);
|
|
|
|
typedef struct sha1_ctx_t {
|
|
uint32_t count[2];
|
|
uint32_t hash[5];
|
|
uint32_t wbuf[16];
|
|
} sha1_ctx_t;
|
|
void sha1_begin(sha1_ctx_t *ctx);
|
|
void sha1_hash(const void *data, size_t length, sha1_ctx_t *ctx);
|
|
void *sha1_end(void *resbuf, sha1_ctx_t *ctx);
|
|
|
|
typedef struct md5_ctx_t {
|
|
uint32_t A;
|
|
uint32_t B;
|
|
uint32_t C;
|
|
uint32_t D;
|
|
uint64_t total;
|
|
uint32_t buflen;
|
|
char buffer[128];
|
|
} md5_ctx_t;
|
|
void md5_begin(md5_ctx_t *ctx);
|
|
void md5_hash(const void *data, size_t length, md5_ctx_t *ctx);
|
|
void *md5_end(void *resbuf, md5_ctx_t *ctx);
|
|
|
|
uint32_t *crc32_filltable(int endian);
|
|
|
|
|
|
enum { /* DO NOT CHANGE THESE VALUES! cp.c depends on them. */
|
|
FILEUTILS_PRESERVE_STATUS = 1,
|
|
FILEUTILS_DEREFERENCE = 2,
|
|
FILEUTILS_RECUR = 4,
|
|
FILEUTILS_FORCE = 8,
|
|
FILEUTILS_INTERACTIVE = 0x10,
|
|
FILEUTILS_MAKE_HARDLINK = 0x20,
|
|
FILEUTILS_MAKE_SOFTLINK = 0x40,
|
|
};
|
|
#define FILEUTILS_CP_OPTSTR "pdRfils"
|
|
|
|
extern const char *applet_name;
|
|
extern const char BB_BANNER[];
|
|
|
|
extern const char bb_msg_full_version[];
|
|
extern const char bb_msg_memory_exhausted[];
|
|
extern const char bb_msg_invalid_date[];
|
|
extern const char bb_msg_read_error[];
|
|
extern const char bb_msg_write_error[];
|
|
extern const char bb_msg_unknown[];
|
|
extern const char bb_msg_can_not_create_raw_socket[];
|
|
extern const char bb_msg_perm_denied_are_you_root[];
|
|
extern const char bb_msg_requires_arg[];
|
|
extern const char bb_msg_invalid_arg[];
|
|
extern const char bb_msg_standard_input[];
|
|
extern const char bb_msg_standard_output[];
|
|
|
|
extern const char bb_str_default[];
|
|
|
|
extern const char bb_path_mtab_file[];
|
|
extern const char bb_path_nologin_file[];
|
|
extern const char bb_path_passwd_file[];
|
|
extern const char bb_path_shadow_file[];
|
|
extern const char bb_path_gshadow_file[];
|
|
extern const char bb_path_group_file[];
|
|
extern const char bb_path_securetty_file[];
|
|
extern const char bb_path_motd_file[];
|
|
extern const char bb_path_wtmp_file[];
|
|
extern const char bb_dev_null[];
|
|
|
|
#ifndef BUFSIZ
|
|
#define BUFSIZ 4096
|
|
#endif
|
|
extern char bb_common_bufsiz1[BUFSIZ+1];
|
|
|
|
/* You can change LIBBB_DEFAULT_LOGIN_SHELL, but don't use it,
|
|
* use bb_default_login_shell and following defines.
|
|
* If you change LIBBB_DEFAULT_LOGIN_SHELL,
|
|
* don't forget to change increment constant. */
|
|
#define LIBBB_DEFAULT_LOGIN_SHELL "-/bin/sh"
|
|
extern const char bb_default_login_shell[];
|
|
/* "/bin/sh" */
|
|
#define DEFAULT_SHELL (bb_default_login_shell+1)
|
|
/* "sh" */
|
|
#define DEFAULT_SHELL_SHORT_NAME (bb_default_login_shell+6)
|
|
|
|
|
|
#if ENABLE_FEATURE_DEVFS
|
|
# define CURRENT_VC "/dev/vc/0"
|
|
# define VC_1 "/dev/vc/1"
|
|
# define VC_2 "/dev/vc/2"
|
|
# define VC_3 "/dev/vc/3"
|
|
# define VC_4 "/dev/vc/4"
|
|
# define VC_5 "/dev/vc/5"
|
|
#if defined(__sh__) || defined(__H8300H__) || defined(__H8300S__)
|
|
/* Yes, this sucks, but both SH (including sh64) and H8 have a SCI(F) for their
|
|
respective serial ports .. as such, we can't use the common device paths for
|
|
these. -- PFM */
|
|
# define SC_0 "/dev/ttsc/0"
|
|
# define SC_1 "/dev/ttsc/1"
|
|
# define SC_FORMAT "/dev/ttsc/%d"
|
|
#else
|
|
# define SC_0 "/dev/tts/0"
|
|
# define SC_1 "/dev/tts/1"
|
|
# define SC_FORMAT "/dev/tts/%d"
|
|
#endif
|
|
# define VC_FORMAT "/dev/vc/%d"
|
|
# define LOOP_FORMAT "/dev/loop/%d"
|
|
# define LOOP_NAME "/dev/loop/"
|
|
# define FB_0 "/dev/fb/0"
|
|
#else
|
|
# define CURRENT_VC "/dev/tty0"
|
|
# define VC_1 "/dev/tty1"
|
|
# define VC_2 "/dev/tty2"
|
|
# define VC_3 "/dev/tty3"
|
|
# define VC_4 "/dev/tty4"
|
|
# define VC_5 "/dev/tty5"
|
|
#if defined(__sh__) || defined(__H8300H__) || defined(__H8300S__)
|
|
# define SC_0 "/dev/ttySC0"
|
|
# define SC_1 "/dev/ttySC1"
|
|
# define SC_FORMAT "/dev/ttySC%d"
|
|
#else
|
|
# define SC_0 "/dev/ttyS0"
|
|
# define SC_1 "/dev/ttyS1"
|
|
# define SC_FORMAT "/dev/ttyS%d"
|
|
#endif
|
|
# define VC_FORMAT "/dev/tty%d"
|
|
# define LOOP_FORMAT "/dev/loop%d"
|
|
# define LOOP_NAME "/dev/loop"
|
|
# define FB_0 "/dev/fb0"
|
|
#endif
|
|
|
|
/* The following devices are the same on devfs and non-devfs systems. */
|
|
#define CURRENT_TTY "/dev/tty"
|
|
#define CONSOLE_DEV "/dev/console"
|
|
|
|
|
|
#ifndef RB_POWER_OFF
|
|
/* Stop system and switch power off if possible. */
|
|
#define RB_POWER_OFF 0x4321fedc
|
|
#endif
|
|
|
|
/* Make sure we call functions instead of macros. */
|
|
#undef isalnum
|
|
#undef isalpha
|
|
#undef isascii
|
|
#undef isblank
|
|
#undef iscntrl
|
|
#undef isgraph
|
|
#undef islower
|
|
#undef isprint
|
|
#undef ispunct
|
|
#undef isspace
|
|
#undef isupper
|
|
#undef isxdigit
|
|
|
|
/* This one is more efficient - we save ~400 bytes */
|
|
#undef isdigit
|
|
#define isdigit(a) ((unsigned)((a) - '0') <= 9)
|
|
|
|
|
|
#ifdef DMALLOC
|
|
#include <dmalloc.h>
|
|
#endif
|
|
|
|
#endif /* __LIBBUSYBOX_H__ */
|