X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Flibbb.h;h=d94dd598eaa45719c65b23ee5a99f776a11f8fca;hb=a5b3e76c38371c2c5781c11cfe5980aeb041e034;hp=eee7d7dfac90f7cd814a0d9b2b053e64345eb0e6;hpb=69115c656d7b16732f11bc5e92539ef441794c03;p=oweals%2Fbusybox.git diff --git a/include/libbb.h b/include/libbb.h index eee7d7dfa..d94dd598e 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -2,16 +2,14 @@ /* * Busybox main internal header file * - * Licensed under the GPL v2 or later, see the file LICENSE in this tarball. - * * 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 "bb_config.h" #include "platform.h" #include @@ -47,6 +45,8 @@ #ifdef CONFIG_LOCALE_SUPPORT #include +#else +#define setlocale(x,y) #endif #include "pwd_.h" @@ -60,6 +60,63 @@ #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) @@ -102,138 +159,118 @@ #endif -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)); - - -enum { - LOGMODE_NONE = 0, - LOGMODE_STDIO = 1<<0, - LOGMODE_SYSLOG = 1<<1, - LOGMODE_BOTH = LOGMODE_SYSLOG + LOGMODE_STDIO, +#if defined(__GLIBC__) && __GLIBC__ < 2 +int vdprintf(int d, const char *format, va_list ap); +#endif +// This is declared here rather than #including 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 const char *msg_eol; -extern int logmode; -extern int die_sleep; +extern int sysinfo(struct sysinfo* info); -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 two are used internally -- you shouldn't need to use them */ -extern void bb_verror_msg(const char *s, va_list p, const char *strerr) __attribute__ ((format (printf, 1, 0))); -extern void bb_vperror_msg(const char *s, va_list p) __attribute__ ((format (printf, 1, 0))); -extern void bb_vinfo_msg(const char *s, va_list p) __attribute__ ((format (printf, 1, 0))); - -extern int bb_echo(int argc, char** argv); -extern int bb_test(int argc, char** argv); +extern void chomp(char *s); +extern void trim(char *s); +extern char *skip_whitespace(const char *); extern const char *bb_mode_string(int mode); extern int is_directory(const char *name, int followLinks, struct stat *statBuf); -extern DIR *warn_opendir(const char *path); -extern DIR *xopendir(const char *path); - 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 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 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 int tty_baud_to_value(speed_t speed); -extern speed_t tty_value_to_baud(unsigned int value); - -extern int get_linux_version_code(void); - + 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 struct mntent *find_mount_point(const char *name, const char *table); -extern void erase_mtab(const char * name); -extern long *find_pid_by_name( const char* pidName); -extern long *pidlist_reverse(long *pidList); extern char *find_block_device(char *path); -extern char *bb_get_line_from_file(FILE *file); -extern char *bb_get_chomped_line_from_file(FILE *file); -extern char *bb_get_chunk_from_file(FILE *file, int *end); -extern int bb_copyfd_size(int fd1, int fd2, const off_t size); -extern int bb_copyfd_eof(int fd1, int fd2); -extern char bb_process_escape_sequence(const char **ptr); +/* 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 FILE *bb_wfopen(const char *path, const char *mode); -extern FILE *bb_wfopen_input(const char *filename); -extern FILE *xfopen(const char *path, const char *mode); +extern int ndelay_on(int fd); +extern int ndelay_off(int fd); + -extern int bb_fclose_nonstdin(FILE *f); -extern void bb_fflush_stdout_and_exit(int retval) ATTRIBUTE_NORETURN; +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 int xsocket(int domain, int type, int protocol); extern pid_t spawn(char **argv); extern pid_t xspawn(char **argv); extern int wait4pid(int pid); -extern void xdaemon(int nochdir, int noclose); -extern void xbind(int sockfd, struct sockaddr *my_addr, socklen_t addrlen); -extern void xlisten(int s, int backlog); -extern void xchdir(const char *path); -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 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); -#define BB_GETOPT_ERROR 0x80000000UL -extern const char *bb_opt_complementally; -extern const struct option *bb_applet_long_options; -extern unsigned long bb_getopt_ulflags(int argc, char **argv, const char *applet_opts, ...); - -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))); - -extern void xferror(FILE *fp, const char *fn); -extern void xferror_stdout(void); -extern void xfflush_stdout(void); -extern void bb_warn_ignoring_args(int n); +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 void chomp(char *s); -extern void trim(char *s); -extern char *skip_whitespace(const char *); -#ifndef BUILD_INDIVIDUAL -extern struct BB_applet *find_applet_by_name(const char *name); -void run_applet_by_name(const char *name, int argc, char **argv); -#endif +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. */ @@ -241,40 +278,58 @@ extern void *xmalloc(size_t size); extern void *xrealloc(void *old, size_t size); extern void *xzalloc(size_t size); -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 int safe_strtoi(char *arg, int* value); -extern int safe_strtod(char *arg, double* value); -extern int safe_strtol(char *arg, long* value); -extern int safe_strtoul(char *arg, unsigned long* value); - -struct suffix_mult { - const char *suffix; - unsigned int mult; -}; +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 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 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 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); +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); -extern unsigned long bb_xparse_number(const char *numstr, - const struct suffix_mult *suffixes); +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 @@ -282,142 +337,295 @@ extern unsigned long bb_xparse_number(const char *numstr, * increases target size and is often not needed on embedded systems. */ extern long bb_xgetpwnam(const char *name); extern long bb_xgetgrnam(const char *name); -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); -extern char *bb_askpass(int timeout, const char * prompt); +/*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); +/* from chpst */ +struct bb_uidgid_t { + uid_t uid; + gid_t gid; +}; +extern unsigned uidgid_get(struct bb_uidgid_t*, const char* /*, unsigned*/); -extern int device_open(const char *device, int mode); -extern char *query_loop(const char *device); -extern int del_loop(const char *device); -extern int set_loop(char **device, const char *file, int offset); - -#if (__GLIBC__ < 2) -extern int vdprintf(int d, const char *format, va_list ap); +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, ...); -/* 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); + +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 { - KILOBYTE = 1024, - MEGABYTE = (KILOBYTE*1024), - GIGABYTE = (MEGABYTE*1024) + 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 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); + +#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); -char *xgetcwd(char *cwd); -char *xreadlink(const char *path); +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); -char *fgets_str(FILE *file, const char *terminating_string); +int execable_file(const char *name); +char *find_execable(const char *filename); +int exists_execable(const char *filename); -extern int uncompress(int fd_in, int fd_out); -extern int inflate(int in, int out); +USE_DESKTOP(long long) int uncompress(int fd_in, int fd_out); +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); +int create_icmp_socket(void); +int create_icmp6_socket(void); -// This is declared here rather than #including in order to avoid -// confusing the two versions of basename. See the dirname/basename man page -// for details. -char *dirname (char *path); +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 bb_make_directory(char *path, long mode, int flags); -int get_signum(char *name); -char *get_signame(int number); +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); +#ifdef CONFIG_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); +extern unsigned long get_ug_id(const char *s, long (*__bb_getxxnam)(const char *)); + +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 = 16 + 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_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_read_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_requires_arg; -extern const char * const bb_msg_invalid_arg; -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; -extern const char * const bb_path_wtmp_file; -extern const char * const bb_dev_null; +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, - * use bb_default_login_shell and next defines, - * if you LIBBB_DEFAULT_LOGIN_SHELL change, - * don`t lose change increment constant! - */ +/* 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 * const bb_default_login_shell; +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) -extern 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" @@ -439,6 +647,7 @@ extern int bb_default_error_retval; #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" @@ -458,129 +667,26 @@ extern int bb_default_error_retval; #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" -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); - -char *xasprintf(const char *format, ...) __attribute__ ((format (printf, 1, 2))); -void xprint_and_close_file(FILE *file); - -#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); -#ifdef CONFIG_SELINUX -extern void renew_current_security_context(void); -extern void set_current_security_context(security_context_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 int obscure(const char *old, const char *newval, const struct passwd *pwdp); - -extern int xopen(const char *pathname, int flags); -extern int xopen3(const char *pathname, int flags, int mode); -extern void xread(int fd, void *buf, size_t count); -extern unsigned char xread_char(int fd); -extern void xlseek(int fd, off_t offset, int whence); -extern void xwrite(int fd, void *buf, size_t count); - -extern const char bb_uuenc_tbl_base64[]; -extern const char bb_uuenc_tbl_std[]; -extern void bb_uuencode(const unsigned char *s, char *store, const int length, const char *tbl); - -#ifndef COMM_LEN -#ifdef TASK_COMM_LEN -#define COMM_LEN TASK_COMM_LEN -#else -/* synchronize with sizeof(task_struct.comm) in /usr/include/linux/sched.h */ -#define COMM_LEN 16 -#endif -#endif -typedef struct { - int pid; - char user[9]; - char state[4]; - unsigned long rss; - int ppid; -#ifdef CONFIG_FEATURE_TOP_CPU_USAGE_PERCENTAGE - unsigned pcpu; - unsigned pscpu; - unsigned long stime, utime; -#endif - char *cmd; - - /* basename of executable file in call to exec(2), - size from kernel headers */ - char short_cmd[COMM_LEN]; -} procps_status_t; - -extern procps_status_t * procps_scan(int save_user_arg0); -extern int compare_string_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); -extern unsigned long get_ug_id(const char *s, long (*__bb_getxxnam)(const char *)); - -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); - -extern uint32_t *crc32_filltable (int endian); #ifndef RB_POWER_OFF /* Stop system and switch power off if possible. */ #define RB_POWER_OFF 0x4321fedc #endif -extern const char BB_BANNER[]; - -// Make sure we call functions instead of macros. +/* Make sure we call functions instead of macros. */ #undef isalnum #undef isalpha #undef isascii #undef isblank #undef iscntrl -#undef isdigit #undef isgraph #undef islower #undef isprint @@ -589,6 +695,11 @@ extern const char BB_BANNER[]; #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 #endif