X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Flibbb.h;h=b1fec01577fb0608fffcbca00c772abe445e0364;hb=4f13a7050787aadb402c9c47aae0ff778dbc2c8b;hp=63d0419576afe73d694bbcb52db86f23ace94e00;hpb=67905e2d7c6ee273b753af22fb22de0ebec918c1;p=oweals%2Fbusybox.git diff --git a/include/libbb.h b/include/libbb.h index 63d041957..b1fec0157 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -20,6 +20,7 @@ #include #include #include +#include #if defined __UCLIBC__ /* TODO: and glibc? */ /* use inlined versions of these: */ # define sigfillset(s) __sigfillset(s) @@ -32,20 +33,39 @@ #include #include #include -#include +/* There are two incompatible basename's, let's not use them! */ +/* See the dirname/basename man page for details */ +#include /* dirname,basename */ +#undef basename +#define basename dont_use_basename +#include #include #include #include #include #include #include -#ifndef major +#if !defined(major) || defined(__GLIBC__) # include #endif #include #include #include #include +#include +#include +#if ENABLE_FEATURE_SHADOWPASSWDS +# if !ENABLE_USE_BB_SHADOW +/* If using busybox's shadow implementation, do not include the shadow.h + * header as the toolchain may not provide it at all. + */ +# include +# endif +#endif +#if defined(ANDROID) || defined(__ANDROID__) +# define endpwent() ((void)0) +# define endgrent() ((void)0) +#endif #ifdef HAVE_MNTENT_H # include #endif @@ -61,11 +81,36 @@ #if ENABLE_SELINUX # include # include -# include -# include #endif #if ENABLE_FEATURE_UTMP -# include +# if defined __UCLIBC__ && ( \ + (UCLIBC_VERSION >= KERNEL_VERSION(0, 9, 32) \ + && UCLIBC_VERSION < KERNEL_VERSION(0, 9, 34) \ + && defined __UCLIBC_HAS_UTMPX__ \ + ) || ( \ + UCLIBC_VERSION >= KERNEL_VERSION(0, 9, 34) \ + ) \ + ) +# include +# elif defined __UCLIBC__ +# include +# define utmpx utmp +# define setutxent setutent +# define endutxent endutent +# define getutxent getutent +# define getutxid getutid +# define getutxline getutline +# define pututxline pututline +# define utmpxname utmpname +# define updwtmpx updwtmp +# define _PATH_UTMPX _PATH_UTMP +# else +# include +# include +# if defined _PATH_UTMP && !defined _PATH_UTMPX +# define _PATH_UTMPX _PATH_UTMP +# endif +# endif #endif #if ENABLE_LOCALE_SUPPORT # include @@ -75,16 +120,6 @@ #ifdef DMALLOC # include #endif -#include -#include -#if ENABLE_FEATURE_SHADOWPASSWDS -# if !ENABLE_USE_BB_SHADOW -/* If using busybox's shadow implementation, do not include the shadow.h - * header as the toolchain may not provide it at all. - */ -# include -# endif -#endif /* Just in case libc doesn't define some of these... */ #ifndef _PATH_PASSWD #define _PATH_PASSWD "/etc/passwd" @@ -105,14 +140,18 @@ # include #else # include -# if !defined(__socklen_t_defined) && !defined(_SOCKLEN_T_DECLARED) -/* We #define socklen_t *after* includes, otherwise we get - * typedef redefinition errors from system headers - * (in case "is it defined already" detection above failed) - */ -# define socklen_t bb_socklen_t - typedef unsigned socklen_t; -# endif +//This breaks on bionic: +//# if !defined(__socklen_t_defined) && !defined(_SOCKLEN_T_DECLARED) +///* We #define socklen_t *after* includes, otherwise we get +// * typedef redefinition errors from system headers +// * (in case "is it defined already" detection above failed) +// */ +//# define socklen_t bb_socklen_t +// typedef unsigned socklen_t; +//# endif +//if this is still needed, add a fix along the lines of +// ifdef SPECIFIC_BROKEN_LIBC_CHECK / typedef socklen_t / endif +//in platform.h instead! #endif #ifndef HAVE_CLEARENV # define clearenv() do { if (environ) environ[0] = NULL; } while (0) @@ -133,12 +172,6 @@ int vdprintf(int d, const char *format, va_list ap); #endif /* klogctl is in libc's klog.h, but we cheat and not #include that */ int klogctl(int type, char *b, int len); -/* 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. */ -#if !defined __FreeBSD__ -char *dirname(char *path); -#endif #ifndef PATH_MAX # define PATH_MAX 256 #endif @@ -150,24 +183,33 @@ char *dirname(char *path); /* Busybox does not use threads, we can speed up stdio. */ #ifdef HAVE_UNLOCKED_STDIO # undef getc -# define getc(stream) getc_unlocked(stream) +# define getc(stream) getc_unlocked(stream) # undef getchar -# define getchar() getchar_unlocked() +# define getchar() getchar_unlocked() # undef putc -# define putc(c, stream) putc_unlocked(c, stream) +# define putc(c,stream) putc_unlocked(c,stream) # undef putchar -# define putchar(c) putchar_unlocked(c) +# define putchar(c) putchar_unlocked(c) # undef fgetc -# define fgetc(stream) getc_unlocked(stream) +# define fgetc(stream) getc_unlocked(stream) # undef fputc -# define fputc(c, stream) putc_unlocked(c, stream) +# define fputc(c,stream) putc_unlocked(c,stream) #endif /* Above functions are required by POSIX.1-2008, below ones are extensions */ #ifdef HAVE_UNLOCKED_LINE_OPS # undef fgets -# define fgets(s, n, stream) fgets_unlocked(s, n, stream) +# define fgets(s,n,stream) fgets_unlocked(s,n,stream) # undef fputs -# define fputs(s, stream) fputs_unlocked(s, stream) +# define fputs(s,stream) fputs_unlocked(s,stream) +/* musl <= 1.1.15 does not support fflush_unlocked(NULL) */ +//# undef fflush +//# define fflush(stream) fflush_unlocked(stream) +# undef feof +# define feof(stream) feof_unlocked(stream) +# undef ferror +# define ferror(stream) ferror_unlocked(stream) +# undef fileno +# define fileno(stream) fileno_unlocked(stream) #endif @@ -212,7 +254,7 @@ PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN # if ULONG_MAX > 0xffffffff /* "long" is long enough on this system */ typedef unsigned long uoff_t; -# define XATOOFF(a) xatoul_range(a, 0, LONG_MAX) +# 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 @@ -221,7 +263,7 @@ typedef unsigned long uoff_t; # else /* "long" is too short, need "long long" */ typedef unsigned long long uoff_t; -# define XATOOFF(a) xatoull_range(a, 0, LLONG_MAX) +# define XATOOFF(a) xatoull_range((a), 0, LLONG_MAX) # define BB_STRTOOFF bb_strtoull # define STRTOOFF strtoull # define OFF_FMT "ll" @@ -238,7 +280,7 @@ typedef unsigned long uoff_t; # define OFF_FMT "l" # else typedef unsigned long uoff_t; -# define XATOOFF(a) xatoul_range(a, 0, LONG_MAX) +# define XATOOFF(a) xatoul_range((a), 0, LONG_MAX) # define BB_STRTOOFF bb_strtoul # define STRTOOFF strtol # define OFF_FMT "l" @@ -246,6 +288,12 @@ typedef unsigned long uoff_t; #endif /* scary. better ideas? (but do *test* them first!) */ #define OFF_T_MAX ((off_t)~((off_t)1 << (sizeof(off_t)*8-1))) +/* Users report bionic to use 32-bit off_t even if LARGEFILE support is requested. + * We misdetected that. Don't let it build: + */ +struct BUG_off_t_size_is_misdetected { + char BUG_off_t_size_is_misdetected[sizeof(off_t) == sizeof(uoff_t) ? 1 : -1]; +}; /* Some useful definitions */ #undef FALSE @@ -255,13 +303,6 @@ typedef unsigned long uoff_t; #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)) @@ -316,8 +357,8 @@ extern char *strrstr(const char *haystack, const char *needle) FAST_FUNC; //TODO: supply a pointer to char[11] buffer (avoid statics)? extern const char *bb_mode_string(mode_t mode) FAST_FUNC; -extern int is_directory(const char *name, int followLinks, struct stat *statBuf) FAST_FUNC; -enum { /* DO NOT CHANGE THESE VALUES! cp.c, mv.c, install.c depend on them. */ +extern int is_directory(const char *name, int followLinks) FAST_FUNC; +enum { /* cp.c, mv.c, install.c depend on these values. CAREFUL when changing them! */ FILEUTILS_PRESERVE_STATUS = 1 << 0, /* -p */ FILEUTILS_DEREFERENCE = 1 << 1, /* !-d */ FILEUTILS_RECUR = 1 << 2, /* -R */ @@ -327,12 +368,25 @@ enum { /* DO NOT CHANGE THESE VALUES! cp.c, mv.c, install.c depend on them. */ FILEUTILS_MAKE_SOFTLINK = 1 << 6, /* -s */ FILEUTILS_DEREF_SOFTLINK = 1 << 7, /* -L */ FILEUTILS_DEREFERENCE_L0 = 1 << 8, /* -H */ + /* -a = -pdR (mapped in cp.c) */ + /* -r = -dR (mapped in cp.c) */ + /* -P = -d (mapped in cp.c) */ + FILEUTILS_VERBOSE = (1 << 12) * ENABLE_FEATURE_VERBOSE, /* -v */ + FILEUTILS_UPDATE = 1 << 13, /* -u */ +#if ENABLE_SELINUX + FILEUTILS_PRESERVE_SECURITY_CONTEXT = 1 << 14, /* -c */ +#endif + FILEUTILS_RMDEST = 1 << (15 - !ENABLE_SELINUX), /* --remove-destination */ + /* + * Hole. cp may have some bits set here, + * they should not affect remove_file()/copy_file() + */ #if ENABLE_SELINUX - FILEUTILS_PRESERVE_SECURITY_CONTEXT = 1 << 9, /* -c */ - FILEUTILS_SET_SECURITY_CONTEXT = 1 << 10, + FILEUTILS_SET_SECURITY_CONTEXT = 1 << 30, #endif + FILEUTILS_IGNORE_CHMOD_ERR = 1 << 31, }; -#define FILEUTILS_CP_OPTSTR "pdRfilsLH" IF_SELINUX("c") +#define FILEUTILS_CP_OPTSTR "pdRfilsLHarPvu" IF_SELINUX("c") extern int remove_file(const char *path, int flags) FAST_FUNC; /* NB: without FILEUTILS_RECUR in flags, it will basically "cat" * the source, not copy (unless "source" is a directory). @@ -383,9 +437,12 @@ char *bb_get_last_path_component_nostrip(const char *path) FAST_FUNC; const char *bb_basename(const char *name) FAST_FUNC; /* NB: can violate const-ness (similarly to strchr) */ char *last_char_is(const char *s, int c) FAST_FUNC; +const char* endofname(const char *name) FAST_FUNC; +char *is_prefixed_with(const char *string, const char *key) FAST_FUNC; +char *is_suffixed_with(const char *string, const char *key) FAST_FUNC; -void ndelay_on(int fd) FAST_FUNC; -void ndelay_off(int fd) FAST_FUNC; +int ndelay_on(int fd) FAST_FUNC; +int ndelay_off(int fd) FAST_FUNC; void close_on_exec_on(int fd) FAST_FUNC; void xdup2(int, int) FAST_FUNC; void xmove_fd(int, int) FAST_FUNC; @@ -457,7 +514,10 @@ void record_signo(int signo); /* not FAST_FUNC! */ void xsetgid(gid_t gid) FAST_FUNC; void xsetuid(uid_t uid) FAST_FUNC; +void xsetegid(gid_t egid) FAST_FUNC; +void xseteuid(uid_t euid) FAST_FUNC; void xchdir(const char *path) FAST_FUNC; +void xfchdir(int fd) FAST_FUNC; void xchroot(const char *path) FAST_FUNC; void xsetenv(const char *key, const char *value) FAST_FUNC; void bb_unsetenv(const char *key) FAST_FUNC; @@ -465,11 +525,12 @@ void bb_unsetenv_and_free(char *key) FAST_FUNC; void xunlink(const char *pathname) FAST_FUNC; void xstat(const char *pathname, struct stat *buf) FAST_FUNC; void xfstat(int fd, struct stat *buf, const char *errmsg) FAST_FUNC; +int open3_or_warn(const char *pathname, int flags, int mode) FAST_FUNC; +int open_or_warn(const char *pathname, int flags) FAST_FUNC; +int xopen3(const char *pathname, int flags, int mode) FAST_FUNC; int xopen(const char *pathname, int flags) FAST_FUNC; int xopen_nonblocking(const char *pathname) FAST_FUNC; -int xopen3(const char *pathname, int flags, int mode) FAST_FUNC; -int open_or_warn(const char *pathname, int flags) FAST_FUNC; -int open3_or_warn(const char *pathname, int flags, int mode) FAST_FUNC; +int xopen_as_uid_gid(const char *pathname, int flags, uid_t u, gid_t g) FAST_FUNC; int open_or_warn_stdin(const char *pathname) FAST_FUNC; int xopen_stdin(const char *pathname) FAST_FUNC; void xrename(const char *oldpath, const char *newpath) FAST_FUNC; @@ -479,9 +540,9 @@ int xmkstemp(char *template) FAST_FUNC; off_t fdlength(int fd) FAST_FUNC; uoff_t FAST_FUNC get_volume_size_in_bytes(int fd, - const char *override, - unsigned override_units, - int extend); + const char *override, + unsigned override_units, + int extend); void xpipe(int filedes[2]) FAST_FUNC; /* In this form code with pipes is much more readable */ @@ -519,7 +580,8 @@ struct BUG_too_small { void parse_datestr(const char *date_str, struct tm *ptm) FAST_FUNC; time_t validate_tm_time(const char *date_str, struct tm *ptm) FAST_FUNC; - +char *strftime_HHMMSS(char *buf, unsigned len, time_t *tp) FAST_FUNC; +char *strftime_YYYYMMDDHHMMSS(char *buf, unsigned len, time_t *tp) FAST_FUNC; int xsocket(int domain, int type, int protocol) FAST_FUNC; void xbind(int sockfd, struct sockaddr *my_addr, socklen_t addrlen) FAST_FUNC; @@ -527,6 +589,11 @@ void xlisten(int s, int backlog) FAST_FUNC; void xconnect(int s, const struct sockaddr *s_addr, socklen_t addrlen) FAST_FUNC; ssize_t xsendto(int s, const void *buf, size_t len, const struct sockaddr *to, socklen_t tolen) FAST_FUNC; + +int setsockopt_int(int fd, int level, int optname, int optval) FAST_FUNC; +int setsockopt_1(int fd, int level, int optname) FAST_FUNC; +int setsockopt_SOL_SOCKET_int(int fd, int optname, int optval) FAST_FUNC; +int setsockopt_SOL_SOCKET_1(int fd, int optname) FAST_FUNC; /* SO_REUSEADDR allows a server to rebind to an address that is already * "in use" by old connections to e.g. previous server instance which is * killed or crashed. Without it bind will fail until all such connections @@ -534,6 +601,7 @@ ssize_t xsendto(int s, const void *buf, size_t len, const struct sockaddr *to, * regardless of SO_REUSEADDR (unlike some other flavors of Unix). * Turn it on before you call bind(). */ void setsockopt_reuseaddr(int fd) FAST_FUNC; /* On Linux this never fails. */ +int setsockopt_keepalive(int fd) FAST_FUNC; int setsockopt_broadcast(int fd) FAST_FUNC; int setsockopt_bindtodevice(int fd, const char *iface) FAST_FUNC; /* NB: returns port in host byte order */ @@ -566,12 +634,7 @@ enum { * and if kernel doesn't support it, fall back to IPv4. * This is useful if you plan to bind to resulting local lsa. */ -#if ENABLE_FEATURE_IPV6 int xsocket_type(len_and_sockaddr **lsap, int af, int sock_type) FAST_FUNC; -#else -int xsocket_type(len_and_sockaddr **lsap, int sock_type) FAST_FUNC; -#define xsocket_type(lsap, af, sock_type) xsocket_type((lsap), (sock_type)) -#endif int xsocket_stream(len_and_sockaddr **lsap) FAST_FUNC; /* Create server socket bound to bindaddr:port. bindaddr can be NULL, * numeric IP ("N.N.N.N") or numeric IPv6 address, @@ -640,18 +703,23 @@ ssize_t recv_from_to(int fd, void *buf, size_t len, int flags, struct sockaddr *to, socklen_t sa_size) FAST_FUNC; +uint16_t inet_cksum(uint16_t *addr, int len) FAST_FUNC; char *xstrdup(const char *s) FAST_FUNC RETURNS_MALLOC; char *xstrndup(const char *s, int n) FAST_FUNC RETURNS_MALLOC; +void *xmemdup(const void *s, int n) FAST_FUNC RETURNS_MALLOC; void overlapping_strcpy(char *dst, const char *src) FAST_FUNC; char *safe_strncpy(char *dst, const char *src, size_t size) FAST_FUNC; char *strncpy_IFNAMSIZ(char *dst, const char *src) FAST_FUNC; +unsigned count_strstr(const char *str, const char *sub) FAST_FUNC; +char *xmalloc_substitute_string(const char *src, int count, const char *sub, const char *repl) FAST_FUNC; /* Guaranteed to NOT be a macro (smallest code). Saves nearly 2k on uclibc. * But potentially slow, don't use in one-billion-times loops */ int bb_putchar(int ch) FAST_FUNC; /* Note: does not use stdio, writes to fd 2 directly */ int bb_putchar_stderr(char ch) FAST_FUNC; char *xasprintf(const char *format, ...) __attribute__ ((format(printf, 1, 2))) FAST_FUNC RETURNS_MALLOC; +char *auto_string(char *str) FAST_FUNC; // gcc-4.1.1 still isn't good enough at optimizing it // (+200 bytes compared to macro) //static ALWAYS_INLINE @@ -677,6 +745,13 @@ const char* FAST_FUNC printable_string(uni_stat_t *stats, const char *str); * else it is printed as-is (except for ch = 0x9b) */ enum { PRINTABLE_META = 0x100 }; void fputc_printable(int ch, FILE *file) FAST_FUNC; +/* Return a string that is the printable representation of character ch. + * Buffer must hold at least four characters. */ +enum { + VISIBLE_ENDLINE = 1 << 0, + VISIBLE_SHOW_TABS = 1 << 1, +}; +void visible(unsigned ch, char *buf, int flags) FAST_FUNC; /* dmalloc will redefine these to it's own implementation. It is safe * to have the prototypes here unconditionally. */ @@ -684,17 +759,20 @@ void *malloc_or_warn(size_t size) FAST_FUNC RETURNS_MALLOC; void *xmalloc(size_t size) FAST_FUNC RETURNS_MALLOC; void *xzalloc(size_t size) FAST_FUNC RETURNS_MALLOC; void *xrealloc(void *old, size_t size) FAST_FUNC; -/* After xrealloc_vector(v, 4, idx) it's ok to use +/* After v = xrealloc_vector(v, SHIFT, idx) it's ok to use * at least v[idx] and v[idx+1], for all idx values. - * shift specifies how many new elements are added (1: 2, 2: 4... 8: 256...) - * when all elements are used up. New elements are zeroed out. */ + * SHIFT specifies how many new elements are added (1:2, 2:4, ..., 8:256...) + * when all elements are used up. New elements are zeroed out. + * xrealloc_vector(v, SHIFT, idx) *MUST* be called with consecutive IDXs - + * skipping an index is a bad bug - it may miss a realloc! + */ #define xrealloc_vector(vector, shift, idx) \ xrealloc_vector_helper((vector), (sizeof((vector)[0]) << 8) + (shift), (idx)) void* xrealloc_vector_helper(void *vector, unsigned sizeof_and_shift, int idx) FAST_FUNC; extern ssize_t safe_read(int fd, void *buf, size_t count) FAST_FUNC; -extern ssize_t nonblock_immune_read(int fd, void *buf, size_t count, int loop_on_EINTR) FAST_FUNC; +extern ssize_t nonblock_immune_read(int fd, void *buf, size_t count) FAST_FUNC; // NB: will return short read on error, not -1, // if some data was read before error occurred extern ssize_t full_read(int fd, void *buf, size_t count) FAST_FUNC; @@ -712,18 +790,37 @@ extern void *xmalloc_read(int fd, size_t *maxsz_p) FAST_FUNC RETURNS_MALLOC; extern void *xmalloc_open_read_close(const char *filename, size_t *maxsz_p) FAST_FUNC RETURNS_MALLOC; /* Never returns NULL */ extern void *xmalloc_xopen_read_close(const char *filename, size_t *maxsz_p) FAST_FUNC RETURNS_MALLOC; -/* Autodetects gzip/bzip2 formats. fd may be in the middle of the file! */ -#if ENABLE_FEATURE_SEAMLESS_LZMA \ - || ENABLE_FEATURE_SEAMLESS_BZ2 \ - || ENABLE_FEATURE_SEAMLESS_GZ \ - /* || ENABLE_FEATURE_SEAMLESS_Z */ -extern void setup_unzip_on_fd(int fd /*, int fail_if_not_detected*/) FAST_FUNC; + +#if defined(ARG_MAX) && (ARG_MAX >= 60*1024 || !defined(_SC_ARG_MAX)) +/* Use _constant_ maximum if: defined && (big enough || no variable one exists) */ +# define bb_arg_max() ((unsigned)ARG_MAX) +#elif defined(_SC_ARG_MAX) +/* Else use variable one (a bit more expensive) */ +unsigned bb_arg_max(void) FAST_FUNC; #else -# define setup_unzip_on_fd(...) ((void)0) +/* If all else fails */ +# define bb_arg_max() ((unsigned)(32 * 1024)) #endif +unsigned bb_clk_tck(void) FAST_FUNC; + +#define SEAMLESS_COMPRESSION (0 \ + || ENABLE_FEATURE_SEAMLESS_XZ \ + || ENABLE_FEATURE_SEAMLESS_LZMA \ + || ENABLE_FEATURE_SEAMLESS_BZ2 \ + || ENABLE_FEATURE_SEAMLESS_GZ \ + || ENABLE_FEATURE_SEAMLESS_Z) + +#if SEAMLESS_COMPRESSION +/* Autodetects gzip/bzip2 formats. fd may be in the middle of the file! */ +extern int setup_unzip_on_fd(int fd, int fail_if_not_compressed) FAST_FUNC; /* Autodetects .gz etc */ -extern int open_zipped(const char *fname) FAST_FUNC; +extern int open_zipped(const char *fname, int fail_if_not_compressed) FAST_FUNC; extern void *xmalloc_open_zipped_read_close(const char *fname, size_t *maxsz_p) FAST_FUNC RETURNS_MALLOC; +#else +# define setup_unzip_on_fd(...) (0) +# define open_zipped(fname, fail_if_not_compressed) open((fname), O_RDONLY); +# define xmalloc_open_zipped_read_close(fname, maxsz_p) xmalloc_open_read_close((fname), (maxsz_p)) +#endif extern ssize_t safe_write(int fd, const void *buf, size_t count) FAST_FUNC; // NB: will return short write on error, not -1, @@ -788,7 +885,6 @@ void qsort_string_vector(char **sv, unsigned count) FAST_FUNC; int safe_poll(struct pollfd *ufds, nfds_t nfds, int timeout_ms) FAST_FUNC; char *safe_gethostname(void) FAST_FUNC; -char *safe_getdomainname(void) FAST_FUNC; /* Convert each alpha char in str to lower-case */ char* str_tolower(char *str) FAST_FUNC; @@ -799,8 +895,8 @@ char *itoa(int n) FAST_FUNC; char *utoa_to_buf(unsigned n, char *buf, unsigned buflen) FAST_FUNC; char *itoa_to_buf(int n, char *buf, unsigned buflen) FAST_FUNC; /* Intelligent formatters of bignums */ -void smart_ulltoa4(unsigned long long ul, char buf[4], const char *scale) FAST_FUNC; -void smart_ulltoa5(unsigned long long ul, char buf[5], const char *scale) FAST_FUNC; +char *smart_ulltoa4(unsigned long long ul, char buf[4], const char *scale) FAST_FUNC; +char *smart_ulltoa5(unsigned long long ul, char buf[5], const char *scale) FAST_FUNC; /* If block_size == 0, display size without fractional part, * else display (size * block_size) with one decimal digit. * If display_unit == 0, show value no bigger than 1024 with suffix (K,M,G...), @@ -811,9 +907,9 @@ void smart_ulltoa5(unsigned long long ul, char buf[5], const char *scale) FAST_F const char *make_human_readable_str(unsigned long long size, unsigned long block_size, unsigned long display_unit) FAST_FUNC; /* Put a string of hex bytes ("1b2e66fe"...), return advanced pointer */ -char *bin2hex(char *buf, const char *cp, int count) FAST_FUNC; +char *bin2hex(char *dst, const char *src, int count) FAST_FUNC; /* Reverse */ -char* hex2bin(char *dst, const char *str, int count) FAST_FUNC; +char* hex2bin(char *dst, const char *src, int count) FAST_FUNC; /* Generate a UUID */ void generate_uuid(uint8_t *buf) FAST_FUNC; @@ -823,6 +919,11 @@ struct suffix_mult { char suffix[4]; unsigned mult; }; +extern const struct suffix_mult bkm_suffixes[]; +#define km_suffixes (bkm_suffixes + 1) +extern const struct suffix_mult cwbkMG_suffixes[]; +#define kMG_suffixes (cwbkMG_suffixes + 3) + #include "xatonum.h" /* Specialized: */ @@ -846,14 +947,13 @@ long xuname2uid(const char *name) FAST_FUNC; long xgroup2gid(const char *name) FAST_FUNC; /* wrapper: allows string to contain numeric uid or gid */ unsigned long get_ug_id(const char *s, long FAST_FUNC (*xname2id)(const char *)) FAST_FUNC; -/* from chpst. Does not die, returns 0 on failure */ struct bb_uidgid_t { uid_t uid; gid_t gid; }; -/* always sets uid and gid */ -int get_uidgid(struct bb_uidgid_t*, const char*, int numeric_ok) FAST_FUNC; -/* always sets uid and gid, allows numeric; exits on failure */ +/* always sets uid and gid; returns 0 on failure */ +int get_uidgid(struct bb_uidgid_t*, const char*) FAST_FUNC; +/* always sets uid and gid; exits on failure */ void xget_uidgid(struct bb_uidgid_t*, const char*) FAST_FUNC; /* chown-like handling of "user[:[group]" */ void parse_chown_usergroup_or_die(struct bb_uidgid_t *u, char *user_group) FAST_FUNC; @@ -882,15 +982,17 @@ void die_if_bad_username(const char* name) FAST_FUNC; #if ENABLE_FEATURE_UTMP void FAST_FUNC write_new_utmp(pid_t pid, int new_type, const char *tty_name, const char *username, const char *hostname); void FAST_FUNC update_utmp(pid_t pid, int new_type, const char *tty_name, const char *username, const char *hostname); +void FAST_FUNC update_utmp_DEAD_PROCESS(pid_t pid); #else # define write_new_utmp(pid, new_type, tty_name, username, hostname) ((void)0) # define update_utmp(pid, new_type, tty_name, username, hostname) ((void)0) +# define update_utmp_DEAD_PROCESS(pid) ((void)0) #endif -int execable_file(const char *name) FAST_FUNC; -char *find_execable(const char *filename, char **PATHp) FAST_FUNC; -int exists_execable(const char *filename) FAST_FUNC; +int file_is_executable(const char *name) FAST_FUNC; +char *find_executable(const char *filename, char **PATHp) FAST_FUNC; +int executable_exists(const char *filename) FAST_FUNC; /* BB_EXECxx always execs (it's not doing NOFORK/NOEXEC stuff), * but it may exec busybox and call applet instead of searching PATH. @@ -907,9 +1009,10 @@ int BB_EXECVP(const char *file, char *const argv[]) FAST_FUNC; #define BB_EXECVP(prog,cmd) execvp(prog,cmd) #define BB_EXECLP(prog,cmd,...) execlp(prog,cmd,__VA_ARGS__) #endif -int BB_EXECVP_or_die(char **argv) NORETURN FAST_FUNC; +void BB_EXECVP_or_die(char **argv) NORETURN FAST_FUNC; +void exec_prog_or_SHELL(char **argv) NORETURN FAST_FUNC; -/* xvfork() can't be a _function_, return after vfork mangles stack +/* xvfork() can't be a _function_, return after vfork in child mangles stack * in the parent. It must be a macro. */ #define xvfork() \ ({ \ @@ -921,6 +1024,7 @@ int BB_EXECVP_or_die(char **argv) NORETURN FAST_FUNC; #if BB_MMU pid_t xfork(void) FAST_FUNC; #endif +void xvfork_parent_waits_and_exits(void) FAST_FUNC; /* NOMMU friendy fork+exec: */ pid_t spawn(char **argv) FAST_FUNC; @@ -937,6 +1041,7 @@ pid_t wait_any_nohang(int *wstat) FAST_FUNC; * if (rc > 0) bb_error_msg("exit code: %d", rc & 0xff); */ int wait4pid(pid_t pid) FAST_FUNC; +int wait_for_exitstatus(pid_t pid) FAST_FUNC; /* Same as wait4pid(spawn(argv)), but with NOFORK/NOEXEC if configured: */ int spawn_and_wait(char **argv) FAST_FUNC; /* Does NOT check that applet is NOFORK, just blindly runs it */ @@ -970,6 +1075,7 @@ enum { DAEMON_DEVNULL_STDIO = 2, DAEMON_CLOSE_EXTRA_FDS = 4, DAEMON_ONLY_SANITIZE = 8, /* internal use */ + DAEMON_DOUBLE_FORK = 16, /* double fork to avoid controlling tty */ }; #if BB_MMU enum { re_execed = 0 }; @@ -978,6 +1084,9 @@ enum { # define bb_daemonize(flags) bb_daemonize_or_rexec(flags, bogus) #else extern bool re_execed; + /* Note: re_exec() and fork_or_rexec() do argv[0][0] |= 0x80 on NOMMU! + * _Parent_ needs to undo it if it doesn't want to have argv[0] mangled. + */ void re_exec(char **argv) NORETURN FAST_FUNC; pid_t fork_or_rexec(char **argv) FAST_FUNC; int BUG_fork_is_unavailable_on_nommu(void) FAST_FUNC; @@ -1046,10 +1155,10 @@ enum { LOGMODE_BOTH = LOGMODE_SYSLOG + LOGMODE_STDIO, }; extern const char *msg_eol; +extern smallint syslog_level; extern smallint logmode; -extern int die_sleep; extern uint8_t xfunc_error_retval; -extern jmp_buf die_jmp; +extern void (*die_func)(void); extern void xfunc_die(void) NORETURN FAST_FUNC; extern void bb_show_usage(void) NORETURN FAST_FUNC; extern void bb_error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))) FAST_FUNC; @@ -1062,8 +1171,8 @@ extern void bb_herror_msg(const char *s, ...) __attribute__ ((format (printf, 1, extern void bb_herror_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2))) FAST_FUNC; extern void bb_perror_nomsg_and_die(void) NORETURN FAST_FUNC; extern void bb_perror_nomsg(void) FAST_FUNC; -extern void bb_info_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))) FAST_FUNC; extern void bb_verror_msg(const char *s, va_list p, const char *strerr) FAST_FUNC; +extern void bb_logenv_override(void) FAST_FUNC; /* We need to export XXX_main from libbusybox * only if we build "individual" binaries @@ -1080,8 +1189,16 @@ int bb_cat(char** argv); /* If shell needs them, they exist even if not enabled as applets */ int echo_main(int argc, char** argv) IF_ECHO(MAIN_EXTERNALLY_VISIBLE); int printf_main(int argc, char **argv) IF_PRINTF(MAIN_EXTERNALLY_VISIBLE); -int test_main(int argc, char **argv) IF_TEST(MAIN_EXTERNALLY_VISIBLE); -int kill_main(int argc, char **argv) IF_KILL(MAIN_EXTERNALLY_VISIBLE); +int test_main(int argc, char **argv) +#if ENABLE_TEST || ENABLE_TEST1 || ENABLE_TEST2 + MAIN_EXTERNALLY_VISIBLE +#endif +; +int kill_main(int argc, char **argv) +#if ENABLE_KILL || ENABLE_KILLALL || ENABLE_KILLALL5 + MAIN_EXTERNALLY_VISIBLE +#endif +; /* Similar, but used by chgrp, not shell */ int chown_main(int argc, char **argv) IF_CHOWN(MAIN_EXTERNALLY_VISIBLE); /* Used by ftpd */ @@ -1096,9 +1213,6 @@ void bb_displayroutes(int noresolve, int netstatfmt) FAST_FUNC; /* Networking */ -int create_icmp_socket(void) FAST_FUNC; -int create_icmp6_socket(void) FAST_FUNC; -/* interface.c */ /* This structure defines protocol families and their handlers. */ struct aftype { const char *name; @@ -1127,6 +1241,7 @@ struct hwtype { }; extern smallint interface_opt_a; int display_interfaces(char *ifname) FAST_FUNC; +int in_ether(const char *bufp, struct sockaddr *sap) FAST_FUNC; #if ENABLE_FEATURE_HWIB int in_ib(const char *bufp, struct sockaddr *sap) FAST_FUNC; #else @@ -1139,8 +1254,6 @@ const struct hwtype *get_hwntype(int type) FAST_FUNC; #ifndef BUILD_INDIVIDUAL extern int find_applet_by_name(const char *name) FAST_FUNC; -/* Returns only if applet is not found. */ -extern void run_applet_and_exit(const char *name, char **argv) FAST_FUNC; extern void run_applet_no_and_exit(int a, char **argv) NORETURN FAST_FUNC; #endif @@ -1164,7 +1277,7 @@ extern int del_loop(const char *device) FAST_FUNC; /* If *devname is not NULL, use that name, otherwise try to find free one, * malloc and return it in *devname. * return value: 1: read-only loopdev was setup, 0: rw, < 0: error */ -extern int set_loop(char **devname, const char *file, unsigned long long offset) FAST_FUNC; +extern int set_loop(char **devname, const char *file, unsigned long long offset, int ro) FAST_FUNC; /* Like bb_ask below, but asks on stdin with no timeout. */ char *bb_ask_stdin(const char * prompt) FAST_FUNC; @@ -1172,7 +1285,8 @@ char *bb_ask_stdin(const char * prompt) FAST_FUNC; char *bb_ask(const int fd, int timeout, const char * prompt) FAST_FUNC; int bb_ask_confirmation(void) FAST_FUNC; -int bb_parse_mode(const char* s, mode_t* theMode) FAST_FUNC; +/* Returns -1 if input is invalid. current_mode is a base for e.g. "u+rw" */ +int bb_parse_mode(const char* s, unsigned cur_mode) FAST_FUNC; /* * Config file parser @@ -1185,13 +1299,14 @@ enum { PARSE_MIN_DIE = 0x00100000, // die if < min tokens found // keep a copy of current line PARSE_KEEP_COPY = 0x00200000 * ENABLE_FEATURE_CROND_D, -// PARSE_ESCAPE = 0x00400000, // process escape sequences in tokens + PARSE_EOL_COMMENTS = 0x00400000, // comments are recognized even if they aren't the first char // NORMAL is: // * remove leading and trailing delimiters and collapse // multiple delimiters into one // * warn and continue if less than mintokens delimiters found // * grab everything into last token - PARSE_NORMAL = PARSE_COLLAPSE | PARSE_TRIM | PARSE_GREEDY, + // * comments are recognized even if they aren't the first char + PARSE_NORMAL = PARSE_COLLAPSE | PARSE_TRIM | PARSE_GREEDY | PARSE_EOL_COMMENTS, }; typedef struct parser_t { FILE *fp; @@ -1227,16 +1342,18 @@ char *bb_simplify_path(const char *path) FAST_FUNC; /* Returns ptr to NUL */ char *bb_simplify_abs_path_inplace(char *path) FAST_FUNC; +#ifndef LOGIN_FAIL_DELAY #define LOGIN_FAIL_DELAY 3 +#endif extern void bb_do_delay(int seconds) FAST_FUNC; extern void change_identity(const struct passwd *pw) FAST_FUNC; -extern void run_shell(const char *shell, int loginshell, const char *command, const char **additional_args) NORETURN FAST_FUNC; +extern void run_shell(const char *shell, int loginshell, const char **args) NORETURN FAST_FUNC; /* Returns $SHELL, getpwuid(getuid())->pw_shell, or DEFAULT_SHELL. * Note that getpwuid result might need xstrdup'ing * if there is a possibility of intervening getpwxxx() calls. */ -const char *get_shell_name(void); +const char *get_shell_name(void) FAST_FUNC; #if ENABLE_SELINUX extern void renew_current_security_context(void) FAST_FUNC; @@ -1251,11 +1368,6 @@ extern void selinux_preserve_fcontext(int fdesc) FAST_FUNC; extern void selinux_or_die(void) FAST_FUNC; -/* systemd support */ -#define SD_LISTEN_FDS_START 3 -int sd_listen_fds(void); - - /* setup_environment: * if chdir pw->pw_dir: ok: else if to_tmp == 1: goto /tmp else: goto / or die * if clear_env = 1: cd(pw->pw_dir), clear environment, then set @@ -1274,8 +1386,12 @@ int sd_listen_fds(void); #define SETUP_ENV_CHANGEENV (1 << 0) #define SETUP_ENV_CLEARENV (1 << 1) #define SETUP_ENV_TO_TMP (1 << 2) -extern void setup_environment(const char *shell, int flags, const struct passwd *pw) FAST_FUNC; -extern int correct_password(const struct passwd *pw) FAST_FUNC; +#define SETUP_ENV_NO_CHDIR (1 << 4) +void setup_environment(const char *shell, int flags, const struct passwd *pw) FAST_FUNC; +void nuke_str(char *str) FAST_FUNC; +int check_password(const struct passwd *pw, const char *plaintext) FAST_FUNC; +int ask_and_check_password_extended(const struct passwd *pw, int timeout, const char *prompt) FAST_FUNC; +int ask_and_check_password(const struct passwd *pw) FAST_FUNC; /* Returns a malloced string */ #if !ENABLE_USE_BB_CRYPT #define pw_encrypt(clear, salt, cleanup) pw_encrypt(clear, salt) @@ -1318,6 +1434,7 @@ extern void print_login_prompt(void) FAST_FUNC; char *xmalloc_ttyname(int fd) FAST_FUNC RETURNS_MALLOC; /* NB: typically you want to pass fd 0, not 1. Think 'applet | grep something' */ int get_terminal_width_height(int fd, unsigned *width, unsigned *height) FAST_FUNC; +int get_terminal_width(int fd) FAST_FUNC; int tcsetattr_stdin_TCSANOW(const struct termios *tp) FAST_FUNC; @@ -1352,35 +1469,47 @@ unsigned long long bb_makedev(unsigned major, unsigned minor) FAST_FUNC; * yet doesn't represent any valid Unicode character. * Also, -1 is reserved for error indication and we don't use it. */ enum { - KEYCODE_UP = -2, - KEYCODE_DOWN = -3, - KEYCODE_RIGHT = -4, - KEYCODE_LEFT = -5, - KEYCODE_HOME = -6, - KEYCODE_END = -7, - KEYCODE_INSERT = -8, - KEYCODE_DELETE = -9, - KEYCODE_PAGEUP = -10, - KEYCODE_PAGEDOWN = -11, - - KEYCODE_CTRL_UP = KEYCODE_UP & ~0x40, - KEYCODE_CTRL_DOWN = KEYCODE_DOWN & ~0x40, - KEYCODE_CTRL_RIGHT = KEYCODE_RIGHT & ~0x40, - KEYCODE_CTRL_LEFT = KEYCODE_LEFT & ~0x40, + KEYCODE_UP = -2, + KEYCODE_DOWN = -3, + KEYCODE_RIGHT = -4, + KEYCODE_LEFT = -5, + KEYCODE_HOME = -6, + KEYCODE_END = -7, + KEYCODE_INSERT = -8, + KEYCODE_DELETE = -9, + KEYCODE_PAGEUP = -10, + KEYCODE_PAGEDOWN = -11, + KEYCODE_BACKSPACE = -12, /* Used only if Alt/Ctrl/Shifted */ + KEYCODE_D = -13, /* Used only if Alted */ #if 0 - KEYCODE_FUN1 = -12, - KEYCODE_FUN2 = -13, - KEYCODE_FUN3 = -14, - KEYCODE_FUN4 = -15, - KEYCODE_FUN5 = -16, - KEYCODE_FUN6 = -17, - KEYCODE_FUN7 = -18, - KEYCODE_FUN8 = -19, - KEYCODE_FUN9 = -20, - KEYCODE_FUN10 = -21, - KEYCODE_FUN11 = -22, - KEYCODE_FUN12 = -23, -#endif + KEYCODE_FUN1 = , + KEYCODE_FUN2 = , + KEYCODE_FUN3 = , + KEYCODE_FUN4 = , + KEYCODE_FUN5 = , + KEYCODE_FUN6 = , + KEYCODE_FUN7 = , + KEYCODE_FUN8 = , + KEYCODE_FUN9 = , + KEYCODE_FUN10 = , + KEYCODE_FUN11 = , + KEYCODE_FUN12 = , +#endif + /* ^^^^^ Be sure that last defined value is small enough. + * Current read_key() code allows going up to -32 (0xfff..fffe0). + * This gives three upper bits in LSB to play with: + * KEYCODE_foo values are 0xfff..fffXX, lowest XX bits are: scavvvvv, + * s=0 if SHIFT, c=0 if CTRL, a=0 if ALT, + * vvvvv bits are the same for same key regardless of "shift bits". + */ + //KEYCODE_SHIFT_... = KEYCODE_... & ~0x80, + KEYCODE_CTRL_RIGHT = KEYCODE_RIGHT & ~0x40, + KEYCODE_CTRL_LEFT = KEYCODE_LEFT & ~0x40, + KEYCODE_ALT_RIGHT = KEYCODE_RIGHT & ~0x20, + KEYCODE_ALT_LEFT = KEYCODE_LEFT & ~0x20, + KEYCODE_ALT_BACKSPACE = KEYCODE_BACKSPACE & ~0x20, + KEYCODE_ALT_D = KEYCODE_D & ~0x20, + KEYCODE_CURSOR_POS = -0x100, /* 0xfff..fff00 */ /* How long is the longest ESC sequence we know? * We want it big enough to be able to contain @@ -1409,7 +1538,7 @@ void read_key_ungets(char *buffer, const char *str, unsigned len) FAST_FUNC; /* It's NOT just ENABLEd or disabled. It's a number: */ # if defined CONFIG_FEATURE_EDITING_HISTORY && CONFIG_FEATURE_EDITING_HISTORY > 0 # define MAX_HISTORY (CONFIG_FEATURE_EDITING_HISTORY + 0) -unsigned size_from_HISTFILESIZE(const char *hp); +unsigned size_from_HISTFILESIZE(const char *hp) FAST_FUNC; # else # define MAX_HISTORY 0 # endif @@ -1421,6 +1550,12 @@ typedef struct line_input_t { int cur_history; int max_history; /* must never be <= 0 */ # if ENABLE_FEATURE_EDITING_SAVEHISTORY + /* meaning of this field depends on FEATURE_EDITING_SAVE_ON_EXIT: + * if !FEATURE_EDITING_SAVE_ON_EXIT: "how many lines are + * in on-disk history" + * if FEATURE_EDITING_SAVE_ON_EXIT: "how many in-memory lines are + * also in on-disk history (and thus need to be skipped on save)" + */ unsigned cnt_history_in_file; const char *hist_file; # endif @@ -1428,13 +1563,12 @@ typedef struct line_input_t { # endif } line_input_t; enum { - DO_HISTORY = 1 * (MAX_HISTORY > 0), - SAVE_HISTORY = 2 * (MAX_HISTORY > 0) * ENABLE_FEATURE_EDITING_SAVEHISTORY, - TAB_COMPLETION = 4 * ENABLE_FEATURE_TAB_COMPLETION, - USERNAME_COMPLETION = 8 * ENABLE_FEATURE_USERNAME_COMPLETION, - VI_MODE = 0x10 * ENABLE_FEATURE_EDITING_VI, - WITH_PATH_LOOKUP = 0x20, - FOR_SHELL = DO_HISTORY | SAVE_HISTORY | TAB_COMPLETION | USERNAME_COMPLETION, + DO_HISTORY = 1 * (MAX_HISTORY > 0), + TAB_COMPLETION = 2 * ENABLE_FEATURE_TAB_COMPLETION, + USERNAME_COMPLETION = 4 * ENABLE_FEATURE_USERNAME_COMPLETION, + VI_MODE = 8 * ENABLE_FEATURE_EDITING_VI, + WITH_PATH_LOOKUP = 0x10, + FOR_SHELL = DO_HISTORY | TAB_COMPLETION | USERNAME_COMPLETION, }; line_input_t *new_line_input_t(int flags) FAST_FUNC; /* So far static: void free_line_input_t(line_input_t *n) FAST_FUNC; */ @@ -1446,6 +1580,10 @@ line_input_t *new_line_input_t(int flags) FAST_FUNC; * >0 length of input string, including terminating '\n' */ int read_line_input(line_input_t *st, const char *prompt, char *command, int maxsize, int timeout) FAST_FUNC; +void show_history(const line_input_t *st) FAST_FUNC; +# if ENABLE_FEATURE_EDITING_SAVE_ON_EXIT +void save_history(line_input_t *st); +# endif #else #define MAX_HISTORY 0 int read_line_input(const char* prompt, char* command, int maxsize) FAST_FUNC; @@ -1483,7 +1621,7 @@ struct smaprec { procps_read_smaps(pid, total) #endif int FAST_FUNC procps_read_smaps(pid_t pid, struct smaprec *total, - void (*cb)(struct smaprec *, void *), void *data); + void (*cb)(struct smaprec *, void *), void *data); typedef struct procps_status_t { DIR *dir; @@ -1570,15 +1708,25 @@ int starts_with_cpu(const char *str) FAST_FUNC; unsigned get_cpu_count(void) FAST_FUNC; -extern const char bb_uuenc_tbl_base64[]; -extern const char bb_uuenc_tbl_std[]; +/* Use strict=1 if you process input from untrusted source: + * it will return NULL on invalid %xx (bad hex chars) + * and str + 1 if decoded char is / or NUL. + * In non-strict mode, it always succeeds (returns str), + * and also it additionally decoded '+' to space. + */ +char *percent_decode_in_place(char *str, int strict) FAST_FUNC; + + +extern const char bb_uuenc_tbl_base64[] ALIGN1; +extern const char bb_uuenc_tbl_std[] ALIGN1; void bb_uuencode(char *store, const void *s, int length, const char *tbl) FAST_FUNC; enum { BASE64_FLAG_UU_STOP = 0x100, /* Sign-extends to a value which never matches fgetc result: */ BASE64_FLAG_NO_STOP_CHAR = 0x80, }; -void FAST_FUNC read_base64(FILE *src_stream, FILE *dst_stream, int flags); +const char *decode_base64(char **pp_dst, const char *src) FAST_FUNC; +void read_base64(FILE *src_stream, FILE *dst_stream, int flags) FAST_FUNC; typedef struct md5_ctx_t { uint8_t wbuffer[64]; /* always correctly aligned for uint64_t */ @@ -1593,8 +1741,13 @@ typedef struct sha512_ctx_t { uint64_t hash[8]; uint8_t wbuffer[128]; /* always correctly aligned for uint64_t */ } sha512_ctx_t; +typedef struct sha3_ctx_t { + uint64_t state[25]; + unsigned bytes_queued; + unsigned input_block_bytes; +} sha3_ctx_t; void md5_begin(md5_ctx_t *ctx) FAST_FUNC; -void md5_hash(md5_ctx_t *ctx, const void *data, size_t length) FAST_FUNC; +void md5_hash(md5_ctx_t *ctx, const void *buffer, size_t len) FAST_FUNC; void md5_end(md5_ctx_t *ctx, void *resbuf) FAST_FUNC; void sha1_begin(sha1_ctx_t *ctx) FAST_FUNC; #define sha1_hash md5_hash @@ -1605,6 +1758,9 @@ void sha256_begin(sha256_ctx_t *ctx) FAST_FUNC; void sha512_begin(sha512_ctx_t *ctx) FAST_FUNC; void sha512_hash(sha512_ctx_t *ctx, const void *buffer, size_t len) FAST_FUNC; void sha512_end(sha512_ctx_t *ctx, void *resbuf) FAST_FUNC; +void sha3_begin(sha3_ctx_t *ctx) FAST_FUNC; +void sha3_hash(sha3_ctx_t *ctx, const void *buffer, size_t len) FAST_FUNC; +void sha3_end(sha3_ctx_t *ctx, void *resbuf) FAST_FUNC; extern uint32_t *global_crc32_table; uint32_t *crc32_filltable(uint32_t *tbl256, int endian) FAST_FUNC; @@ -1638,6 +1794,9 @@ void bb_progress_update(bb_progress_t *p, uoff_t transferred, uoff_t totalsize) FAST_FUNC; +unsigned ubi_devnum_from_devname(const char *str) FAST_FUNC; +int ubi_get_volid_by_name(unsigned ubi_devnum, const char *vol_name) FAST_FUNC; + extern const char *applet_name; @@ -1651,24 +1810,24 @@ extern const char *applet_name; * Therefore now we use #defines. */ /* "BusyBox vN.N.N (timestamp or extra_version)" */ -extern const char bb_banner[]; -extern const char bb_msg_memory_exhausted[]; -extern const char bb_msg_invalid_date[]; +extern const char bb_banner[] ALIGN1; +extern const char bb_msg_memory_exhausted[] ALIGN1; +extern const char bb_msg_invalid_date[] ALIGN1; #define bb_msg_read_error "read error" #define bb_msg_write_error "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_you_must_be_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_msg_unknown[] ALIGN1; +extern const char bb_msg_can_not_create_raw_socket[] ALIGN1; +extern const char bb_msg_perm_denied_are_you_root[] ALIGN1; +extern const char bb_msg_you_must_be_root[] ALIGN1; +extern const char bb_msg_requires_arg[] ALIGN1; +extern const char bb_msg_invalid_arg_to[] ALIGN1; +extern const char bb_msg_standard_input[] ALIGN1; +extern const char bb_msg_standard_output[] ALIGN1; /* NB: (bb_hexdigits_upcase[i] | 0x20) -> lowercase hex digit */ -extern const char bb_hexdigits_upcase[]; +extern const char bb_hexdigits_upcase[] ALIGN1; -extern const char bb_path_wtmp_file[]; +extern const char bb_path_wtmp_file[] ALIGN1; /* Busybox mount uses either /proc/mounts or /etc/mtab to * get the list of currently mounted filesystems */ @@ -1682,20 +1841,16 @@ extern const char bb_path_wtmp_file[]; #define bb_path_motd_file "/etc/motd" #define bb_dev_null "/dev/null" -extern const char bb_busybox_exec_path[]; +extern const char bb_busybox_exec_path[] ALIGN1; /* util-linux manpage says /sbin:/bin:/usr/sbin:/usr/bin, * but I want to save a few bytes here */ -extern const char bb_PATH_root_path[]; /* "PATH=/sbin:/usr/sbin:/bin:/usr/bin" */ +extern const char bb_PATH_root_path[] ALIGN1; /* "PATH=/sbin:/usr/sbin:/bin:/usr/bin" */ #define bb_default_root_path (bb_PATH_root_path + sizeof("PATH")) #define bb_default_path (bb_PATH_root_path + sizeof("PATH=/sbin:/usr/sbin")) extern const int const_int_0; -extern const int const_int_1; - +//extern const int const_int_1; -/* Providing hard guarantee on minimum size (think of BUFSIZ == 128) */ -enum { COMMON_BUFSIZE = (BUFSIZ >= 256*sizeof(void*) ? BUFSIZ+1 : 256*sizeof(void*)) }; -extern char bb_common_bufsiz1[COMMON_BUFSIZE]; /* This struct is deliberately not defined. */ /* See docs/keep_data_small.txt */ struct globals; @@ -1709,13 +1864,18 @@ extern struct globals *const ptr_to_globals; (*(struct globals**)&ptr_to_globals) = (void*)(x); \ barrier(); \ } while (0) +#define FREE_PTR_TO_GLOBALS() do { \ + if (ENABLE_FEATURE_CLEAN_UP) { \ + free(ptr_to_globals); \ + } \ +} while (0) /* 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[]; +extern const char bb_default_login_shell[] ALIGN1; /* "/bin/sh" */ #define DEFAULT_SHELL (bb_default_login_shell+1) /* "sh" */ @@ -1750,7 +1910,7 @@ extern const char bb_default_login_shell[]; # define VC_4 "/dev/vc/4" # define VC_5 "/dev/vc/5" # define VC_FORMAT "/dev/vc/%d" -# define LOOP_FORMAT "/dev/loop/%d" +# define LOOP_FORMAT "/dev/loop/%u" # define LOOP_NAMESIZE (sizeof("/dev/loop/") + sizeof(int)*3 + 1) # define LOOP_NAME "/dev/loop/" # define FB_0 "/dev/fb/0" @@ -1763,7 +1923,7 @@ extern const char bb_default_login_shell[]; # define VC_4 "/dev/tty4" # define VC_5 "/dev/tty5" # define VC_FORMAT "/dev/tty%d" -# define LOOP_FORMAT "/dev/loop%d" +# define LOOP_FORMAT "/dev/loop%u" # define LOOP_NAMESIZE (sizeof("/dev/loop") + sizeof(int)*3 + 1) # define LOOP_NAME "/dev/loop" # define FB_0 "/dev/fb0" @@ -1771,6 +1931,7 @@ extern const char bb_default_login_shell[]; #define ARRAY_SIZE(x) ((unsigned)(sizeof(x) / sizeof((x)[0]))) +#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) /* We redefine ctype macros. Unicode-correct handling of char types @@ -1856,6 +2017,140 @@ static ALWAYS_INLINE unsigned char bb_ascii_tolower(unsigned char a) #define isprint_asciionly(a) ((unsigned)((a) - 0x20) <= 0x7e - 0x20) +/* Simple unit-testing framework */ + +typedef void (*bbunit_testfunc)(void); + +struct bbunit_listelem { + const char* name; + bbunit_testfunc testfunc; +}; + +void bbunit_registertest(struct bbunit_listelem* test); +void bbunit_settestfailed(void); + +#define BBUNIT_DEFINE_TEST(NAME) \ + static void bbunit_##NAME##_test(void); \ + static struct bbunit_listelem bbunit_##NAME##_elem = { \ + .name = #NAME, \ + .testfunc = bbunit_##NAME##_test, \ + }; \ + static void INIT_FUNC bbunit_##NAME##_register(void) \ + { \ + bbunit_registertest(&bbunit_##NAME##_elem); \ + } \ + static void bbunit_##NAME##_test(void) + +/* + * Both 'goto bbunit_end' and 'break' are here only to get rid + * of compiler warnings. + */ +#define BBUNIT_ENDTEST \ + do { \ + goto bbunit_end; \ + bbunit_end: \ + break; \ + } while (0) + +#define BBUNIT_PRINTASSERTFAIL \ + do { \ + bb_error_msg( \ + "[ERROR] Assertion failed in file %s, line %d", \ + __FILE__, __LINE__); \ + } while (0) + +#define BBUNIT_ASSERTION_FAILED \ + do { \ + bbunit_settestfailed(); \ + goto bbunit_end; \ + } while (0) + +/* + * Assertions. + * For now we only offer assertions which cause tests to fail + * immediately. In the future 'expects' might be added too - + * similar to those offered by the gtest framework. + */ +#define BBUNIT_ASSERT_EQ(EXPECTED, ACTUAL) \ + do { \ + if ((EXPECTED) != (ACTUAL)) { \ + BBUNIT_PRINTASSERTFAIL; \ + bb_error_msg("[ERROR] '%s' isn't equal to '%s'", \ + #EXPECTED, #ACTUAL); \ + BBUNIT_ASSERTION_FAILED; \ + } \ + } while (0) + +#define BBUNIT_ASSERT_NOTEQ(EXPECTED, ACTUAL) \ + do { \ + if ((EXPECTED) == (ACTUAL)) { \ + BBUNIT_PRINTASSERTFAIL; \ + bb_error_msg("[ERROR] '%s' is equal to '%s'", \ + #EXPECTED, #ACTUAL); \ + BBUNIT_ASSERTION_FAILED; \ + } \ + } while (0) + +#define BBUNIT_ASSERT_NOTNULL(PTR) \ + do { \ + if ((PTR) == NULL) { \ + BBUNIT_PRINTASSERTFAIL; \ + bb_error_msg("[ERROR] '%s' is NULL!", #PTR); \ + BBUNIT_ASSERTION_FAILED; \ + } \ + } while (0) + +#define BBUNIT_ASSERT_NULL(PTR) \ + do { \ + if ((PTR) != NULL) { \ + BBUNIT_PRINTASSERTFAIL; \ + bb_error_msg("[ERROR] '%s' is not NULL!", #PTR); \ + BBUNIT_ASSERTION_FAILED; \ + } \ + } while (0) + +#define BBUNIT_ASSERT_FALSE(STATEMENT) \ + do { \ + if ((STATEMENT)) { \ + BBUNIT_PRINTASSERTFAIL; \ + bb_error_msg("[ERROR] Statement '%s' evaluated to true!", \ + #STATEMENT); \ + BBUNIT_ASSERTION_FAILED; \ + } \ + } while (0) + +#define BBUNIT_ASSERT_TRUE(STATEMENT) \ + do { \ + if (!(STATEMENT)) { \ + BBUNIT_PRINTASSERTFAIL; \ + bb_error_msg("[ERROR] Statement '%s' evaluated to false!", \ + #STATEMENT); \ + BBUNIT_ASSERTION_FAILED; \ + } \ + } while (0) + +#define BBUNIT_ASSERT_STREQ(STR1, STR2) \ + do { \ + if (strcmp(STR1, STR2) != 0) { \ + BBUNIT_PRINTASSERTFAIL; \ + bb_error_msg("[ERROR] Strings '%s' and '%s' " \ + "are not the same", STR1, STR2); \ + BBUNIT_ASSERTION_FAILED; \ + } \ + } while (0) + +#define BBUNIT_ASSERT_STRNOTEQ(STR1, STR2) \ + do { \ + if (strcmp(STR1, STR2) == 0) { \ + BBUNIT_PRINTASSERTFAIL; \ + bb_error_msg("[ERROR] Strings '%s' and '%s' " \ + "are the same, but were " \ + "expected to differ", STR1, STR2); \ + BBUNIT_ASSERTION_FAILED; \ + } \ + } while (0) + + POP_SAVED_FUNCTION_VISIBILITY #endif