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busybox/include/libbb.h
Denis Vlasenko 7a431b3715 By popular request reinstate fakeidentd's standalone mode. 
Since this is also needed for other applets like telnetd,
introduce generic driver for such things.
It even supports inetd-wait ('linger') mode, when inetd
hands out listen socket to child and waits to it to die,
instead of handing out accepted socket and continuing
listening itself (nowait mode).
Code growth ~200 bytes.
NB: our inetd doesn't support wait mode yet (or mabe it is buggy).
2007-01-14 01:29:06 +00:00

810 lines
28 KiB
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/* 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)))
/* This structure defines protocol families and their handlers. */
struct aftype {
char *name;
char *title;
int af;
int alen;
char *(*print) (unsigned char *);
char *(*sprint) (struct sockaddr *, int numeric);
int (*input) (int type, char *bufp, struct sockaddr *);
void (*herror) (char *text);
int (*rprint) (int options);
int (*rinput) (int typ, int ext, char **argv);
/* may modify src */
int (*getmask) (char *src, struct sockaddr * mask, char *name);
int fd;
char *flag_file;
};
/* This structure defines hardware protocols and their handlers. */
struct hwtype {
char *name;
char *title;
int type;
int alen;
char *(*print) (unsigned char *);
int (*input) (char *, struct sockaddr *);
int (*activate) (int fd);
int suppress_null_addr;
};
/* 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);
char *xmalloc_realpath(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);
/* More clever/thorough xdaemon */
extern void bb_sanitize_stdio(int daemonize);
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 setsockopt_reuseaddr(int fd);
extern int setsockopt_broadcast(int fd);
/* "new" (ipv4+ipv6) API */
typedef struct len_and_sockaddr {
int len;
union {
struct sockaddr sa;
struct sockaddr_in sin;
#if ENABLE_FEATURE_IPV6
struct sockaddr_in6 sin6;
#endif
};
} len_and_sockaddr;
/* Create stream socket, and allocated suitable lsa
* (lsa of correct size and lsa->sa.sa_family (AF_INET/AF_INET6)) */
int xsocket_stream(len_and_sockaddr **lsap);
/* Create server TCP socket bound to bindaddr:port. bindaddr can be NULL,
* numeric IP ("N.N.N.N") or numeric IPv6 address,
* and can have ":PORT" suffix (for IPv6 use "[X:X:...:X]:PORT").
* If there is no suffix, port argument is used */
extern int create_and_bind_stream_or_die(const char *bindaddr, int port);
/* Create client TCP socket connected to peer:port. Peer cannot be NULL.
* Peer can be numeric IP ("N.N.N.N"), numeric IPv6 address or hostname,
* and can have ":PORT" suffix (for IPv6 use "[X:X:...:X]:PORT").
* If there is no suffix, port argument is used */
extern int create_and_connect_stream_or_die(const char *peer, int port);
/* Connect to peer identified by lsa */
extern int xconnect_stream(const len_and_sockaddr *lsa);
/* Return malloc'ed len_and_sockaddr with socket address of host:port
* Currently will return IPv4 or IPv6 sockaddrs only
* (depending on host), but in theory nothing prevents e.g.
* UNIX socket address being returned, IPX sockaddr etc... */
extern len_and_sockaddr* host2sockaddr(const char *host, int port);
/* Assign sin[6]_port member if the socket is of corresponding type,
* otherwise noop. Useful for ftp.
* NB: does NOT do htons() internally, just direct assignment. */
extern void set_nport(len_and_sockaddr *lsa, unsigned port);
/* Retrieve sin[6]_port or return -1 for non-inet lsa's */
extern int get_nport(len_and_sockaddr *lsa);
extern char* xmalloc_sockaddr2host(const struct sockaddr *sa, socklen_t salen);
extern char* xmalloc_sockaddr2dotted(const struct sockaddr *sa, socklen_t salen);
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 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);
extern void smart_ulltoa5(unsigned long long ul, char buf[5]);
/* Put a string of hex bytes (ala "1b"), return advanced pointer */
extern char *bin2hex(char *buf, const char *cp, int count);
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 */
struct aftype;
struct hwtype;
extern int interface_opt_a;
int display_interfaces(char *ifname);
struct aftype *get_aftype(const char *name);
const struct hwtype *get_hwtype(const char *name);
const struct hwtype *get_hwntype(int type);
#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);
/* NB: returns port in host byte order */
unsigned bb_lookup_port(const char *port, const char *protocol, unsigned 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[];
/* NB: (bb_hexdigits_upcase[i] | 0x10) -> lowercase hex digit */
extern const char bb_hexdigits_upcase[];
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__ */
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