| /* 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 <stdarg.h> |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| |
| #include <netdb.h> |
| |
| #ifdef DMALLOC |
| #include <dmalloc.h> |
| #endif |
| |
| #include <features.h> |
| |
| #include "config.h" |
| |
| #include "pwd_.h" |
| #include "grp_.h" |
| #ifdef CONFIG_FEATURE_SHADOWPASSWDS |
| #include "shadow_.h" |
| #endif |
| #ifdef CONFIG_FEATURE_SHA1_PASSWORDS |
| # include "sha1.h" |
| #endif |
| |
| /* Compatability with ANSI C */ |
| #ifndef inline |
| # define inline |
| #endif |
| |
| #if (__GNU_LIBRARY__ < 5) && (!defined __dietlibc__) |
| /* libc5 doesn't define socklen_t */ |
| #ifndef _SOCKLEN_T |
| #define _SOCKLEN_T |
| typedef unsigned int socklen_t; |
| #endif |
| /* libc5 doesn't implement BSD 4.4 daemon() */ |
| extern int daemon (int nochdir, int noclose); |
| /* libc5 doesn't implement strtok_r */ |
| char *strtok_r(char *s, const char *delim, char **ptrptr); |
| #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 show_usage(void) __attribute__ ((noreturn)); |
| extern void error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))); |
| extern void error_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2))); |
| extern void perror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))); |
| extern void perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2))); |
| extern void vherror_msg(const char *s, va_list p); |
| extern void herror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))); |
| extern void herror_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2))); |
| |
| /* These two are used internally -- you shouldn't need to use them */ |
| extern void verror_msg(const char *s, va_list p); |
| extern void vperror_msg(const char *s, va_list p); |
| |
| const char *mode_string(int mode); |
| const char *time_string(time_t timeVal); |
| int is_directory(const char *name, int followLinks, struct stat *statBuf); |
| int isDevice(const char *name); |
| |
| int remove_file(const char *path, int flags); |
| int copy_file(const char *source, const char *dest, int flags); |
| int copy_file_chunk(FILE *src_file, FILE *dst_file, unsigned long long chunksize); |
| char *buildName(const char *dirName, const char *fileName); |
| int makeString(int argc, const char **argv, char *buf, int bufLen); |
| char *getChunk(int size); |
| char *chunkstrdup(const char *str); |
| void freeChunks(void); |
| ssize_t safe_read(int fd, void *buf, size_t count); |
| int full_write(int fd, const char *buf, int len); |
| int full_read(int fd, char *buf, int len); |
| 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 parse_mode( const char* s, mode_t* theMode); |
| |
| 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 atoi_w_units (const char *cp); |
| extern long* find_pid_by_name( const char* pidName); |
| extern char *find_real_root_device_name(const char* name); |
| extern char *get_line_from_file(FILE *file); |
| extern void print_file(FILE *file); |
| extern int copyfd(int fd1, int fd2, const off_t chunksize); |
| extern int print_file_by_name(char *filename); |
| extern char process_escape_sequence(const char **ptr); |
| extern char *get_last_path_component(char *path); |
| extern FILE *wfopen(const char *path, const char *mode); |
| extern FILE *xfopen(const char *path, const char *mode); |
| extern void chomp(char *s); |
| extern void trim(char *s); |
| extern struct BB_applet *find_applet_by_name(const char *name); |
| void run_applet_by_name(const char *name, int argc, char **argv); |
| |
| #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); |
| extern char *xstrdup (const char *s); |
| #endif |
| extern char *xstrndup (const char *s, int n); |
| extern char * safe_strncpy(char *dst, const char *src, size_t size); |
| |
| struct suffix_mult { |
| const char *suffix; |
| int mult; |
| }; |
| |
| extern unsigned long parse_number(const char *numstr, |
| const struct suffix_mult *suffixes); |
| |
| |
| /* 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 size, unsigned long block_size, unsigned long display_unit); |
| |
| int 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 *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); |
| 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(const char *host, const char *port); |
| |
| char *dirname (char *path); |
| |
| int make_directory (char *path, long mode, int flags); |
| |
| const char *u_signal_names(const char *str_sig, int *signo, int startnum); |
| char *simplify_path(const char *path); |
| |
| #define CT_AUTO 0 |
| #define CT_UNIX2DOS 1 |
| #define CT_DOS2UNIX 2 |
| /* extern int convert(char *fn, int ConvType); */ |
| |
| enum { |
| FILEUTILS_PRESERVE_STATUS = 1, |
| FILEUTILS_DEREFERENCE = 2, |
| FILEUTILS_RECUR = 4, |
| FILEUTILS_FORCE = 8, |
| FILEUTILS_INTERACTIVE = 16 |
| }; |
| |
| extern const char *applet_name; |
| extern const char * const full_version; |
| extern const char * const name_too_long; |
| extern const char * const omitting_directory; |
| extern const char * const not_a_directory; |
| extern const char * const memory_exhausted; |
| extern const char * const invalid_date; |
| extern const char * const invalid_option; |
| extern const char * const io_error; |
| extern const char * const dash_dash_help; |
| extern const char * const write_error; |
| extern const char * const too_few_args; |
| extern const char * const name_longer_than_foo; |
| extern const char * const unknown; |
| extern const char * const can_not_create_raw_socket; |
| extern const char * const nologin_file; |
| extern const char * const passwd_file; |
| extern const char * const shadow_file; |
| extern const char * const gshadow_file; |
| extern const char * const group_file; |
| extern const char * const securetty_file; |
| extern const char * const motd_file; |
| extern const char * const _path_login; |
| |
| #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" |
| # define SC_0 "/dev/tts/0" |
| # define SC_1 "/dev/tts/1" |
| # define VC_FORMAT "/dev/vc/%d" |
| # define SC_FORMAT "/dev/tts/%d" |
| # define LOOP_FORMAT "/dev/loop/%d" |
| #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" |
| # define SC_0 "/dev/ttyS0" |
| # define SC_1 "/dev/ttyS1" |
| # define VC_FORMAT "/dev/tty%d" |
| # define SC_FORMAT "/dev/ttyS%d" |
| # define LOOP_FORMAT "/dev/loop%d" |
| #endif |
| |
| /* 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 xstrlen(const char *string); |
| #define strlen(x) xstrlen(x) |
| |
| void bb_asprintf(char **string_ptr, const char *format, ...) __attribute__ ((format (printf, 2, 3))); |
| |
| |
| #define FAIL_DELAY 3 |
| extern void change_identity ( const struct passwd *pw ); |
| extern void run_shell ( const char *shell, int loginshell, const char *command, const char **additional_args ); |
| extern int run_parts(char **args, const unsigned char test_mode); |
| 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 xopen(const char *pathname, int flags); |
| extern ssize_t xread(int fd, void *buf, size_t count); |
| extern void xread_all(int fd, void *buf, size_t count); |
| extern unsigned char 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); |
| 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); |
| |
| void print_login_issue(const char *issue_file, const char *tty); |
| void print_login_prompt(void); |
| |
| #endif /* __LIBCONFIG_H__ */ |