489 lines
17 KiB
C
489 lines
17 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Busybox main internal header file
|
|
*
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
* 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.
|
|
*
|
|
*/
|
|
#ifndef __LIBCONFIG_H__
|
|
#define __LIBCONFIG_H__ 1
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <stdarg.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/types.h>
|
|
#include <regex.h>
|
|
#include <termios.h>
|
|
#include <stdint.h>
|
|
|
|
#include <netdb.h>
|
|
|
|
#ifdef DMALLOC
|
|
#include <dmalloc.h>
|
|
#endif
|
|
|
|
#include <features.h>
|
|
|
|
#include "config.h"
|
|
#ifdef CONFIG_SELINUX
|
|
#include <proc_secure.h>
|
|
#endif
|
|
|
|
#include "pwd_.h"
|
|
#include "grp_.h"
|
|
#ifdef CONFIG_FEATURE_SHADOWPASSWDS
|
|
#include "shadow_.h"
|
|
#endif
|
|
#ifdef CONFIG_FEATURE_SHA1_PASSWORDS
|
|
# include "sha1.h"
|
|
#endif
|
|
|
|
/* Convenience macros to test the version of gcc. */
|
|
#if defined __GNUC__ && defined __GNUC_MINOR__
|
|
# define __GNUC_PREREQ(maj, min) \
|
|
((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
|
|
#else
|
|
# define __GNUC_PREREQ(maj, min) 0
|
|
#endif
|
|
|
|
/* __restrict is known in EGCS 1.2 and above. */
|
|
#if !__GNUC_PREREQ (2,92)
|
|
# define __restrict /* Ignore */
|
|
#endif
|
|
|
|
/* Some useful definitions */
|
|
#define FALSE ((int) 0)
|
|
#define TRUE ((int) 1)
|
|
#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
|
|
|
|
extern void bb_show_usage(void) __attribute__ ((noreturn));
|
|
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);
|
|
|
|
/* These two are used internally -- you shouldn't need to use them */
|
|
extern void bb_verror_msg(const char *s, va_list p) __attribute__ ((format (printf, 1, 0)));
|
|
extern void bb_vperror_msg(const char *s, va_list p) __attribute__ ((format (printf, 1, 0)));
|
|
|
|
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 ssize_t safe_read(int fd, void *buf, size_t count);
|
|
extern ssize_t bb_full_read(int fd, void *buf, size_t len);
|
|
extern ssize_t safe_write(int fd, const void *buf, size_t count);
|
|
extern ssize_t bb_full_write(int fd, const void *buf, size_t len);
|
|
extern int recursive_action(const char *fileName, int recurse,
|
|
int followLinks, int depthFirst,
|
|
int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData),
|
|
int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData),
|
|
void* userData);
|
|
|
|
extern int bb_parse_mode( const char* s, mode_t* theMode);
|
|
extern long bb_xgetlarg(const char *arg, int base, long lower, long upper);
|
|
|
|
extern unsigned long bb_baud_to_value(speed_t speed);
|
|
extern speed_t bb_value_to_baud(unsigned long value);
|
|
|
|
extern int get_kernel_revision(void);
|
|
|
|
extern int get_console_fd(void);
|
|
extern struct mntent *find_mount_point(const char *name, const char *table);
|
|
extern void write_mtab(char* blockDevice, char* directory,
|
|
char* filesystemType, long flags, char* string_flags);
|
|
extern void erase_mtab(const char * name);
|
|
extern long *find_pid_by_name( const char* pidName);
|
|
extern char *find_real_root_device_name(const char* name);
|
|
extern char *bb_get_line_from_file(FILE *file);
|
|
extern char *bb_get_chomped_line_from_file(FILE *file);
|
|
extern int bb_copyfd_size(int fd1, int fd2, const off_t size);
|
|
extern int bb_copyfd_eof(int fd1, int fd2);
|
|
extern void bb_xprint_and_close_file(FILE *file);
|
|
extern int bb_xprint_file_by_name(const char *filename);
|
|
extern char bb_process_escape_sequence(const char **ptr);
|
|
extern char *bb_get_last_path_component(char *path);
|
|
extern FILE *bb_wfopen(const char *path, const char *mode);
|
|
extern FILE *bb_xfopen(const char *path, const char *mode);
|
|
|
|
//#warning rename?
|
|
extern int bb_fclose_nonstdin(FILE *f);
|
|
extern void bb_fflush_stdout_and_exit(int retval) __attribute__ ((noreturn));
|
|
|
|
extern const char *bb_opt_complementaly;
|
|
extern const struct option *bb_applet_long_options;
|
|
extern unsigned long bb_getopt_ulflags(int argc, char **argv, const char *applet_opts, ...);
|
|
|
|
//#warning rename?
|
|
extern FILE *bb_wfopen_input(const char *filename);
|
|
|
|
extern int bb_vfprintf(FILE * __restrict stream, const char * __restrict format,
|
|
va_list arg) __attribute__ ((format (printf, 2, 0)));
|
|
extern int bb_vprintf(const char * __restrict format, va_list arg)
|
|
__attribute__ ((format (printf, 1, 0)));
|
|
extern int bb_fprintf(FILE * __restrict stream, const char * __restrict format, ...)
|
|
__attribute__ ((format (printf, 2, 3)));
|
|
extern int bb_printf(const char * __restrict format, ...)
|
|
__attribute__ ((format (printf, 1, 2)));
|
|
|
|
//#warning rename to xferror_filename?
|
|
extern void bb_xferror(FILE *fp, const char *fn);
|
|
extern void bb_xferror_stdout(void);
|
|
extern void bb_xfflush_stdout(void);
|
|
|
|
extern void bb_warn_ignoring_args(int n);
|
|
|
|
extern void chomp(char *s);
|
|
extern void trim(char *s);
|
|
extern const char *bb_skip_whitespace(const char *);
|
|
|
|
extern struct BB_applet *find_applet_by_name(const char *name);
|
|
void run_applet_by_name(const char *name, int argc, char **argv);
|
|
|
|
//#warning is this needed anymore?
|
|
#ifndef DMALLOC
|
|
extern void *xmalloc (size_t size);
|
|
extern void *xrealloc(void *old, size_t size);
|
|
extern void *xcalloc(size_t nmemb, size_t size);
|
|
#endif
|
|
extern char *bb_xstrdup (const char *s);
|
|
extern char *bb_xstrndup (const char *s, int n);
|
|
extern char * safe_strncpy(char *dst, const char *src, size_t size);
|
|
|
|
struct suffix_mult {
|
|
const char *suffix;
|
|
unsigned int mult;
|
|
};
|
|
|
|
extern unsigned long bb_xgetularg_bnd_sfx(const char *arg, int base,
|
|
unsigned long lower,
|
|
unsigned long upper,
|
|
const struct suffix_mult *suffixes);
|
|
extern unsigned long bb_xgetularg_bnd(const char *arg, int base,
|
|
unsigned long lower,
|
|
unsigned long upper);
|
|
extern unsigned long bb_xgetularg10_bnd(const char *arg,
|
|
unsigned long lower,
|
|
unsigned long upper);
|
|
extern unsigned long bb_xgetularg10(const char *arg);
|
|
|
|
extern long bb_xgetlarg_bnd_sfx(const char *arg, int base,
|
|
long lower,
|
|
long upper,
|
|
const struct suffix_mult *suffixes);
|
|
extern long bb_xgetlarg10_sfx(const char *arg, const struct suffix_mult *suffixes);
|
|
|
|
|
|
//#warning pitchable now?
|
|
extern unsigned long bb_xparse_number(const char *numstr,
|
|
const struct suffix_mult *suffixes);
|
|
|
|
|
|
//#warning change names?
|
|
|
|
/* 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 embedded systems. */
|
|
extern long my_getpwnam(const char *name);
|
|
extern long my_getgrnam(const char *name);
|
|
extern char * my_getpwuid(char *name, long uid);
|
|
extern char * my_getgrgid(char *group, long gid);
|
|
extern long my_getpwnamegid(const char *name);
|
|
|
|
extern int device_open(const char *device, int mode);
|
|
|
|
extern int del_loop(const char *device);
|
|
extern int set_loop(const char *device, const char *file, int offset, int *loopro);
|
|
extern char *find_unused_loop_device (void);
|
|
|
|
|
|
#if (__GLIBC__ < 2)
|
|
extern int vdprintf(int d, const char *format, va_list ap);
|
|
#endif
|
|
|
|
int nfsmount(const char *spec, const char *node, int *flags,
|
|
char **extra_opts, char **mount_opts, int running_bg);
|
|
|
|
void syslog_msg_with_name(const char *name, int facility, int pri, const char *msg);
|
|
void syslog_msg(int facility, int pri, const char *msg);
|
|
|
|
/* Include our own copy of struct sysinfo to avoid binary compatability
|
|
* 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);
|
|
|
|
enum {
|
|
KILOBYTE = 1024,
|
|
MEGABYTE = (KILOBYTE*1024),
|
|
GIGABYTE = (MEGABYTE*1024)
|
|
};
|
|
const char *make_human_readable_str(unsigned long long size,
|
|
unsigned long block_size, unsigned long display_unit);
|
|
|
|
int bb_ask_confirmation(void);
|
|
int klogctl(int type, char * b, int len);
|
|
|
|
char *xgetcwd(char *cwd);
|
|
char *xreadlink(const char *path);
|
|
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);
|
|
|
|
extern long arith (const char *startbuf, int *errcode);
|
|
|
|
int read_package_field(const char *package_buffer, char **field_name, char **field_value);
|
|
//#warning yuk!
|
|
char *fgets_str(FILE *file, const char *terminating_string);
|
|
|
|
extern int uncompress(int fd_in, int fd_out);
|
|
extern int inflate(int in, int out);
|
|
|
|
extern struct hostent *xgethostbyname(const char *name);
|
|
extern struct hostent *xgethostbyname2(const char *name, int af);
|
|
extern int create_icmp_socket(void);
|
|
extern int create_icmp6_socket(void);
|
|
extern int xconnect(struct sockaddr_in *s_addr);
|
|
extern unsigned short bb_lookup_port(const char *port, const char *protocol, unsigned short default_port);
|
|
extern void bb_lookup_host(struct sockaddr_in *s_in, const char *host);
|
|
|
|
//#warning wrap this?
|
|
char *dirname (char *path);
|
|
|
|
int bb_make_directory (char *path, long mode, int flags);
|
|
|
|
const char *u_signal_names(const char *str_sig, int *signo, int startnum);
|
|
char *bb_simplify_path(const char *path);
|
|
|
|
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 = 16
|
|
};
|
|
|
|
extern const char *bb_applet_name;
|
|
|
|
extern const char * const bb_msg_full_version;
|
|
extern const char * const bb_msg_memory_exhausted;
|
|
extern const char * const bb_msg_invalid_date;
|
|
extern const char * const bb_msg_io_error;
|
|
extern const char * const bb_msg_write_error;
|
|
extern const char * const bb_msg_name_longer_than_foo;
|
|
extern const char * const bb_msg_unknown;
|
|
extern const char * const bb_msg_can_not_create_raw_socket;
|
|
extern const char * const bb_msg_perm_denied_are_you_root;
|
|
extern const char * const bb_msg_standard_input;
|
|
extern const char * const bb_msg_standard_output;
|
|
|
|
extern const char * const bb_path_nologin_file;
|
|
extern const char * const bb_path_passwd_file;
|
|
extern const char * const bb_path_shadow_file;
|
|
extern const char * const bb_path_gshadow_file;
|
|
extern const char * const bb_path_group_file;
|
|
extern const char * const bb_path_securetty_file;
|
|
extern const char * const bb_path_motd_file;
|
|
|
|
/*
|
|
* You can change LIBBB_DEFAULT_LOGIN_SHELL, but don`t use,
|
|
* use bb_default_login_shell and next defines,
|
|
* if you LIBBB_DEFAULT_LOGIN_SHELL change,
|
|
* don`t lose change increment constant!
|
|
*/
|
|
#define LIBBB_DEFAULT_LOGIN_SHELL "-/bin/sh"
|
|
|
|
extern const char * const 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)
|
|
|
|
|
|
extern const char bb_path_mtab_file[];
|
|
|
|
extern int bb_default_error_retval;
|
|
|
|
#ifdef CONFIG_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 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 FB_0 "/dev/fb0"
|
|
#endif
|
|
|
|
//#warning put these in .o files
|
|
|
|
/* The following devices are the same on devfs and non-devfs systems. */
|
|
#define CURRENT_TTY "/dev/tty"
|
|
#define CONSOLE_DEV "/dev/console"
|
|
|
|
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);
|
|
|
|
/* Stupid gcc always includes its own builtin strlen()... */
|
|
extern size_t bb_strlen(const char *string);
|
|
#define strlen(x) bb_strlen(x)
|
|
|
|
void bb_xasprintf(char **string_ptr, const char *format, ...) __attribute__ ((format (printf, 2, 3)));
|
|
|
|
|
|
#define FAIL_DELAY 3
|
|
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
|
|
#ifdef CONFIG_SELINUX
|
|
, security_id_t sid
|
|
#endif
|
|
);
|
|
extern int run_parts(char **args, const unsigned char test_mode, char **env);
|
|
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 struct spwd *pwd_to_spwd(const struct passwd *pw);
|
|
extern int obscure(const char *old, const char *newval, const struct passwd *pwdp);
|
|
|
|
extern int bb_xopen(const char *pathname, int flags);
|
|
extern ssize_t bb_xread(int fd, void *buf, size_t count);
|
|
extern void bb_xread_all(int fd, void *buf, size_t count);
|
|
extern unsigned char bb_xread_char(int fd);
|
|
|
|
typedef struct {
|
|
int pid;
|
|
char user[9];
|
|
char state[4];
|
|
unsigned long rss;
|
|
int ppid;
|
|
#ifdef FEATURE_CPU_USAGE_PERCENTAGE
|
|
unsigned pcpu;
|
|
unsigned long stime, utime;
|
|
#endif
|
|
char *cmd;
|
|
|
|
/* basename of executable file in call to exec(2),
|
|
size from kernel headers */
|
|
char short_cmd[16];
|
|
} procps_status_t;
|
|
|
|
extern procps_status_t * procps_scan(int save_user_arg0
|
|
#ifdef CONFIG_SELINUX
|
|
, int use_selinux, security_id_t *sid
|
|
#endif
|
|
);
|
|
extern unsigned short compare_string_array(const char *string_array[], const char *key);
|
|
|
|
extern int my_query_module(const char *name, int which, void **buf, size_t *bufsize, size_t *ret);
|
|
|
|
typedef struct llist_s {
|
|
char *data;
|
|
struct llist_s *link;
|
|
} llist_t;
|
|
extern llist_t *llist_add_to(llist_t *old_head, char *new_item);
|
|
|
|
extern void print_login_issue(const char *issue_file, const char *tty);
|
|
extern void print_login_prompt(void);
|
|
|
|
extern void vfork_daemon_rexec(int nochdir, int noclose,
|
|
int argc, char **argv, char *foreground_opt);
|
|
extern void get_terminal_width_height(int fd, int *width, int *height);
|
|
extern unsigned long get_ug_id(const char *s, long (*my_getxxnam)(const char *));
|
|
extern void xregcomp(regex_t *preg, const char *regex, int cflags);
|
|
|
|
#define HASH_SHA1 1
|
|
#define HASH_MD5 2
|
|
extern int hash_fd(int fd, const size_t size, const uint8_t hash_algo, uint8_t *hashval);
|
|
extern size_t bb_full_fd_action(int src_fd, int dst_fd, const size_t size, ssize_t (*action)(int fd, const void *, size_t));
|
|
|
|
#endif /* __LIBCONFIG_H__ */
|