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- diff -Nur busybox-1.17.1.orig/include/libbb.h busybox-1.17.1/include/libbb.h
- --- busybox-1.17.1.orig/include/libbb.h 2010-07-25 00:12:43.000000000 +0200
- +++ busybox-1.17.1/include/libbb.h 2010-07-28 20:13:21.000000000 +0200
- @@ -40,6 +40,7 @@
- /* Try to pull in PATH_MAX */
- #include <limits.h>
- #include <sys/param.h>
- +#if !(defined __APPLE__ || defined BSD )
- #ifdef HAVE_MNTENT_H
- #include <mntent.h>
- #endif
- @@ -52,6 +53,7 @@
- #include <selinux/flask.h>
- #include <selinux/av_permissions.h>
- #endif
- +#endif
- #if ENABLE_LOCALE_SUPPORT
- # include <locale.h>
- #else
- diff -Nur busybox-1.17.1.orig/include/libbb.h.orig busybox-1.17.1/include/libbb.h.orig
- --- busybox-1.17.1.orig/include/libbb.h.orig 1970-01-01 01:00:00.000000000 +0100
- +++ busybox-1.17.1/include/libbb.h.orig 2010-07-25 00:12:43.000000000 +0200
- @@ -0,0 +1,1756 @@
- +/* vi: set sw=4 ts=4: */
- +/*
- + * Busybox main internal header file
- + *
- + * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
- + * Permission has been granted to redistribute this code under the GPL.
- + *
- + * Licensed under the GPL version 2, see the file LICENSE in this tarball.
- + */
- +#ifndef LIBBB_H
- +#define LIBBB_H 1
- +
- +#include "platform.h"
- +
- +#include <ctype.h>
- +#include <dirent.h>
- +#include <errno.h>
- +#include <fcntl.h>
- +#include <inttypes.h>
- +#include <netdb.h>
- +#include <setjmp.h>
- +#include <signal.h>
- +#include <stdint.h>
- +#include <stdio.h>
- +#include <stdlib.h>
- +#include <stdarg.h>
- +#include <stddef.h>
- +#include <string.h>
- +#include <sys/poll.h>
- +#include <sys/ioctl.h>
- +#include <sys/mman.h>
- +#include <sys/socket.h>
- +#include <sys/stat.h>
- +#include <sys/time.h>
- +#include <sys/types.h>
- +#include <sys/wait.h>
- +#include <termios.h>
- +#include <time.h>
- +#include <unistd.h>
- +/* Try to pull in PATH_MAX */
- +#include <limits.h>
- +#include <sys/param.h>
- +#ifdef HAVE_MNTENT_H
- +#include <mntent.h>
- +#endif
- +#ifdef HAVE_SYS_STATFS_H
- +#include <sys/statfs.h>
- +#endif
- +#if ENABLE_SELINUX
- +#include <selinux/selinux.h>
- +#include <selinux/context.h>
- +#include <selinux/flask.h>
- +#include <selinux/av_permissions.h>
- +#endif
- +#if ENABLE_LOCALE_SUPPORT
- +# include <locale.h>
- +#else
- +# define setlocale(x,y) ((void)0)
- +#endif
- +#ifdef DMALLOC
- +# include <dmalloc.h>
- +#endif
- +#include <pwd.h>
- +#include <grp.h>
- +#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 <shadow.h>
- +# endif
- +#endif
- +#if defined __FreeBSD__
- +# include <netinet/in.h>
- +# include <arpa/inet.h>
- +#elif defined __APPLE__
- +# include <netinet/in.h>
- +#else
- +# include <arpa/inet.h>
- +# 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
- +#endif
- +
- +
- +/* Some libc's forget to declare these, do it ourself */
- +
- +extern char **environ;
- +#if defined(__GLIBC__) && __GLIBC__ < 2
- +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 <libgen.h> 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
- +/* 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.. */
- +};
- +int sysinfo(struct sysinfo* info);
- +#ifndef PATH_MAX
- +# define PATH_MAX 256
- +#endif
- +#ifndef BUFSIZ
- +# define BUFSIZ 4096
- +#endif
- +
- +
- +/* Make all declarations hidden (-fvisibility flag only affects definitions) */
- +/* (don't include system headers after this until corresponding pop!) */
- +PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
- +
- +
- +#if ENABLE_USE_BB_PWD_GRP
- +# include "pwd_.h"
- +# include "grp_.h"
- +#endif
- +#if ENABLE_FEATURE_SHADOWPASSWDS
- +# if ENABLE_USE_BB_SHADOW
- +# include "shadow_.h"
- +# endif
- +#endif
- +
- +/* Tested to work correctly with all int types (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=y 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 */
- +typedef unsigned long uoff_t;
- +# 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" */
- +typedef unsigned long long uoff_t;
- +# 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... */
- +typedef unsigned long uoff_t;
- +# define XATOOFF(a) xatoi_u(a)
- +# define BB_STRTOOFF bb_strtou
- +# define STRTOOFF strtol
- +# define OFF_FMT "l"
- +# else
- +typedef unsigned long uoff_t;
- +# 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)
- +#undef TRUE
- +#define TRUE ((int) 1)
- +#undef SKIP
- +#define SKIP ((int) 2)
- +
- +/* for mtab.c */
- +#define MTAB_GETMOUNTPT '1'
- +#define MTAB_GETDEVICE '2'
- +
- +#define BUF_SIZE 8192
- +#define EXPAND_ALLOC 1024
- +
- +/* Macros for min/max. */
- +#ifndef MIN
- +#define MIN(a,b) (((a)<(b))?(a):(b))
- +#endif
- +
- +#ifndef MAX
- +#define MAX(a,b) (((a)>(b))?(a):(b))
- +#endif
- +
- +/* buffer allocation schemes */
- +#if ENABLE_FEATURE_BUFFERS_GO_ON_STACK
- +#define RESERVE_CONFIG_BUFFER(buffer,len) char buffer[len]
- +#define RESERVE_CONFIG_UBUFFER(buffer,len) unsigned char buffer[len]
- +#define RELEASE_CONFIG_BUFFER(buffer) ((void)0)
- +#else
- +#if ENABLE_FEATURE_BUFFERS_GO_IN_BSS
- +#define RESERVE_CONFIG_BUFFER(buffer,len) static char buffer[len]
- +#define RESERVE_CONFIG_UBUFFER(buffer,len) static unsigned char buffer[len]
- +#define RELEASE_CONFIG_BUFFER(buffer) ((void)0)
- +#else
- +#define RESERVE_CONFIG_BUFFER(buffer,len) char *buffer = xmalloc(len)
- +#define RESERVE_CONFIG_UBUFFER(buffer,len) unsigned char *buffer = xmalloc(len)
- +#define RELEASE_CONFIG_BUFFER(buffer) free(buffer)
- +#endif
- +#endif
- +
- +#if defined(__GLIBC__)
- +/* glibc uses __errno_location() to get a ptr to errno */
- +/* We can just memorize it once - no multithreading in busybox :) */
- +extern int *const bb_errno;
- +#undef errno
- +#define errno (*bb_errno)
- +#endif
- +
- +unsigned long long monotonic_ns(void) FAST_FUNC;
- +unsigned long long monotonic_us(void) FAST_FUNC;
- +unsigned long long monotonic_ms(void) FAST_FUNC;
- +unsigned monotonic_sec(void) FAST_FUNC;
- +
- +extern void chomp(char *s) FAST_FUNC;
- +extern void trim(char *s) FAST_FUNC;
- +extern char *skip_whitespace(const char *) FAST_FUNC;
- +extern char *skip_non_whitespace(const char *) FAST_FUNC;
- +extern char *skip_dev_pfx(const char *tty_name) FAST_FUNC;
- +
- +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. */
- + FILEUTILS_PRESERVE_STATUS = 1 << 0, /* -p */
- + FILEUTILS_DEREFERENCE = 1 << 1, /* !-d */
- + FILEUTILS_RECUR = 1 << 2, /* -R */
- + FILEUTILS_FORCE = 1 << 3, /* -f */
- + FILEUTILS_INTERACTIVE = 1 << 4, /* -i */
- + FILEUTILS_MAKE_HARDLINK = 1 << 5, /* -l */
- + FILEUTILS_MAKE_SOFTLINK = 1 << 6, /* -s */
- + FILEUTILS_DEREF_SOFTLINK = 1 << 7, /* -L */
- + FILEUTILS_DEREFERENCE_L0 = 1 << 8, /* -H */
- +#if ENABLE_SELINUX
- + FILEUTILS_PRESERVE_SECURITY_CONTEXT = 1 << 9, /* -c */
- + FILEUTILS_SET_SECURITY_CONTEXT = 1 << 10,
- +#endif
- +};
- +#define FILEUTILS_CP_OPTSTR "pdRfilsLH" 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).
- + * This makes "cp /dev/null file" and "install /dev/null file" (!!!)
- + * work coreutils-compatibly. */
- +extern int copy_file(const char *source, const char *dest, int flags) FAST_FUNC;
- +
- +enum {
- + ACTION_RECURSE = (1 << 0),
- + ACTION_FOLLOWLINKS = (1 << 1),
- + ACTION_FOLLOWLINKS_L0 = (1 << 2),
- + ACTION_DEPTHFIRST = (1 << 3),
- + /*ACTION_REVERSE = (1 << 4), - unused */
- + ACTION_QUIET = (1 << 5),
- + ACTION_DANGLING_OK = (1 << 6),
- +};
- +typedef uint8_t recurse_flags_t;
- +extern int recursive_action(const char *fileName, unsigned flags,
- + int FAST_FUNC (*fileAction)(const char *fileName, struct stat* statbuf, void* userData, int depth),
- + int FAST_FUNC (*dirAction)(const char *fileName, struct stat* statbuf, void* userData, int depth),
- + void* userData, unsigned depth) FAST_FUNC;
- +extern int device_open(const char *device, int mode) FAST_FUNC;
- +enum { GETPTY_BUFSIZE = 16 }; /* more than enough for "/dev/ttyXXX" */
- +extern int xgetpty(char *line) FAST_FUNC;
- +extern int get_console_fd_or_die(void) FAST_FUNC;
- +extern void console_make_active(int fd, const int vt_num) FAST_FUNC;
- +extern char *find_block_device(const char *path) FAST_FUNC;
- +/* bb_copyfd_XX print read/write errors and return -1 if they occur */
- +extern off_t bb_copyfd_eof(int fd1, int fd2) FAST_FUNC;
- +extern off_t bb_copyfd_size(int fd1, int fd2, off_t size) FAST_FUNC;
- +extern void bb_copyfd_exact_size(int fd1, int fd2, off_t size) FAST_FUNC;
- +/* "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) NORETURN FAST_FUNC;
- +extern char bb_process_escape_sequence(const char **ptr) FAST_FUNC;
- +/* xxxx_strip version can modify its parameter:
- + * "/" -> "/"
- + * "abc" -> "abc"
- + * "abc/def" -> "def"
- + * "abc/def/" -> "def" !!
- + */
- +extern char *bb_get_last_path_component_strip(char *path) FAST_FUNC;
- +/* "abc/def/" -> "" and it never modifies 'path' */
- +extern char *bb_get_last_path_component_nostrip(const char *path) FAST_FUNC;
- +
- +int ndelay_on(int fd) FAST_FUNC;
- +int ndelay_off(int fd) FAST_FUNC;
- +int close_on_exec_on(int fd) FAST_FUNC;
- +void xdup2(int, int) FAST_FUNC;
- +void xmove_fd(int, int) FAST_FUNC;
- +
- +
- +DIR *xopendir(const char *path) FAST_FUNC;
- +DIR *warn_opendir(const char *path) FAST_FUNC;
- +
- +char *xmalloc_realpath(const char *path) FAST_FUNC RETURNS_MALLOC;
- +char *xmalloc_readlink(const char *path) FAST_FUNC RETURNS_MALLOC;
- +char *xmalloc_readlink_or_warn(const char *path) FAST_FUNC RETURNS_MALLOC;
- +/* !RETURNS_MALLOC: it's a realloc-like function */
- +char *xrealloc_getcwd_or_warn(char *cwd) FAST_FUNC;
- +
- +char *xmalloc_follow_symlinks(const char *path) FAST_FUNC RETURNS_MALLOC;
- +
- +
- +enum {
- + /* bb_signals(BB_FATAL_SIGS, handler) catches all signals which
- + * otherwise would kill us, except for those resulting from bugs:
- + * SIGSEGV, SIGILL, SIGFPE.
- + * Other fatal signals not included (TODO?):
- + * SIGBUS Bus error (bad memory access)
- + * SIGPOLL Pollable event. Synonym of SIGIO
- + * SIGPROF Profiling timer expired
- + * SIGSYS Bad argument to routine
- + * SIGTRAP Trace/breakpoint trap
- + *
- + * The only known arch with some of these sigs not fitting
- + * into 32 bits is parisc (SIGXCPU=33, SIGXFSZ=34, SIGSTKFLT=36).
- + * Dance around with long long to guard against that...
- + */
- + BB_FATAL_SIGS = (int)(0
- + + (1LL << SIGHUP)
- + + (1LL << SIGINT)
- + + (1LL << SIGTERM)
- + + (1LL << SIGPIPE) // Write to pipe with no readers
- + + (1LL << SIGQUIT) // Quit from keyboard
- + + (1LL << SIGABRT) // Abort signal from abort(3)
- + + (1LL << SIGALRM) // Timer signal from alarm(2)
- + + (1LL << SIGVTALRM) // Virtual alarm clock
- + + (1LL << SIGXCPU) // CPU time limit exceeded
- + + (1LL << SIGXFSZ) // File size limit exceeded
- + + (1LL << SIGUSR1) // Yes kids, these are also fatal!
- + + (1LL << SIGUSR2)
- + + 0),
- +};
- +void bb_signals(int sigs, void (*f)(int)) FAST_FUNC;
- +/* Unlike signal() and bb_signals, sets handler with sigaction()
- + * and in a way that while signal handler is run, no other signals
- + * will be blocked; syscalls will not be restarted: */
- +void bb_signals_recursive_norestart(int sigs, void (*f)(int)) FAST_FUNC;
- +/* syscalls like read() will be interrupted with EINTR: */
- +void signal_no_SA_RESTART_empty_mask(int sig, void (*handler)(int)) FAST_FUNC;
- +/* syscalls like read() won't be interrupted (though select/poll will be): */
- +void signal_SA_RESTART_empty_mask(int sig, void (*handler)(int)) FAST_FUNC;
- +void wait_for_any_sig(void) FAST_FUNC;
- +void kill_myself_with_sig(int sig) NORETURN FAST_FUNC;
- +void sig_block(int sig) FAST_FUNC;
- +void sig_unblock(int sig) FAST_FUNC;
- +/* Will do sigaction(signum, act, NULL): */
- +int sigaction_set(int sig, const struct sigaction *act) FAST_FUNC;
- +/* SIG_BLOCK/SIG_UNBLOCK all signals: */
- +int sigprocmask_allsigs(int how) FAST_FUNC;
- +/* Standard handler which just records signo */
- +extern smallint bb_got_signal;
- +void record_signo(int signo); /* not FAST_FUNC! */
- +
- +
- +void xsetgid(gid_t gid) FAST_FUNC;
- +void xsetuid(uid_t uid) FAST_FUNC;
- +void xchdir(const char *path) 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;
- +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;
- +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 open_or_warn_stdin(const char *pathname) FAST_FUNC;
- +void xrename(const char *oldpath, const char *newpath) FAST_FUNC;
- +int rename_or_warn(const char *oldpath, const char *newpath) FAST_FUNC;
- +off_t xlseek(int fd, off_t offset, int whence) 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);
- +
- +void xpipe(int filedes[2]) FAST_FUNC;
- +/* In this form code with pipes is much more readable */
- +struct fd_pair { int rd; int wr; };
- +#define piped_pair(pair) pipe(&((pair).rd))
- +#define xpiped_pair(pair) xpipe(&((pair).rd))
- +
- +/* Useful for having small structure members/global variables */
- +typedef int8_t socktype_t;
- +typedef int8_t family_t;
- +struct BUG_too_small {
- + char BUG_socktype_t_too_small[(0
- + | SOCK_STREAM
- + | SOCK_DGRAM
- + | SOCK_RDM
- + | SOCK_SEQPACKET
- + | SOCK_RAW
- + ) <= 127 ? 1 : -1];
- + char BUG_family_t_too_small[(0
- + | AF_UNSPEC
- + | AF_INET
- + | AF_INET6
- + | AF_UNIX
- +#ifdef AF_PACKET
- + | AF_PACKET
- +#endif
- +#ifdef AF_NETLINK
- + | AF_NETLINK
- +#endif
- + /* | AF_DECnet */
- + /* | AF_IPX */
- + ) <= 127 ? 1 : -1];
- +};
- +
- +
- +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;
- +
- +
- +int xsocket(int domain, int type, int protocol) FAST_FUNC;
- +void xbind(int sockfd, struct sockaddr *my_addr, socklen_t addrlen) FAST_FUNC;
- +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;
- +/* 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
- + * time out. Linux does not allow multiple live binds on same ip:port
- + * 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_broadcast(int fd) FAST_FUNC;
- +int setsockopt_bindtodevice(int fd, const char *iface) FAST_FUNC;
- +/* NB: returns port in host byte order */
- +unsigned bb_lookup_port(const char *port, const char *protocol, unsigned default_port) FAST_FUNC;
- +typedef struct len_and_sockaddr {
- + socklen_t len;
- + union {
- + struct sockaddr sa;
- + struct sockaddr_in sin;
- +#if ENABLE_FEATURE_IPV6
- + struct sockaddr_in6 sin6;
- +#endif
- + } u;
- +} len_and_sockaddr;
- +enum {
- + LSA_LEN_SIZE = offsetof(len_and_sockaddr, u),
- + LSA_SIZEOF_SA = sizeof(
- + union {
- + struct sockaddr sa;
- + struct sockaddr_in sin;
- +#if ENABLE_FEATURE_IPV6
- + struct sockaddr_in6 sin6;
- +#endif
- + }
- + )
- +};
- +/* Create stream socket, and allocate suitable lsa.
- + * (lsa of correct size and lsa->sa.sa_family (AF_INET/AF_INET6))
- + * af == AF_UNSPEC will result in trying to create IPv6 socket,
- + * 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,
- + * and can have ":PORT" suffix (for IPv6 use "[X:X:...:X]:PORT").
- + * Only if there is no suffix, port argument is used */
- +/* NB: these set SO_REUSEADDR before bind */
- +int create_and_bind_stream_or_die(const char *bindaddr, int port) FAST_FUNC;
- +int create_and_bind_dgram_or_die(const char *bindaddr, int port) FAST_FUNC;
- +/* Create client TCP socket connected to peer:port. Peer cannot be NULL.
- + * Peer can be numeric IP ("N.N.N.N"), numeric IPv6 address or hostname,
- + * and can have ":PORT" suffix (for IPv6 use "[X:X:...:X]:PORT").
- + * If there is no suffix, port argument is used */
- +int create_and_connect_stream_or_die(const char *peer, int port) FAST_FUNC;
- +/* Connect to peer identified by lsa */
- +int xconnect_stream(const len_and_sockaddr *lsa) FAST_FUNC;
- +/* Get local address of bound or accepted socket */
- +len_and_sockaddr *get_sock_lsa(int fd) FAST_FUNC RETURNS_MALLOC;
- +/* Get remote address of connected or accepted socket */
- +len_and_sockaddr *get_peer_lsa(int fd) FAST_FUNC RETURNS_MALLOC;
- +/* Return malloc'ed len_and_sockaddr with socket address of host:port
- + * Currently will return IPv4 or IPv6 sockaddrs only
- + * (depending on host), but in theory nothing prevents e.g.
- + * UNIX socket address being returned, IPX sockaddr etc...
- + * On error does bb_error_msg and returns NULL */
- +len_and_sockaddr* host2sockaddr(const char *host, int port) FAST_FUNC RETURNS_MALLOC;
- +/* Version which dies on error */
- +len_and_sockaddr* xhost2sockaddr(const char *host, int port) FAST_FUNC RETURNS_MALLOC;
- +len_and_sockaddr* xdotted2sockaddr(const char *host, int port) FAST_FUNC RETURNS_MALLOC;
- +/* Same, useful if you want to force family (e.g. IPv6) */
- +#if !ENABLE_FEATURE_IPV6
- +#define host_and_af2sockaddr(host, port, af) host2sockaddr((host), (port))
- +#define xhost_and_af2sockaddr(host, port, af) xhost2sockaddr((host), (port))
- +#else
- +len_and_sockaddr* host_and_af2sockaddr(const char *host, int port, sa_family_t af) FAST_FUNC RETURNS_MALLOC;
- +len_and_sockaddr* xhost_and_af2sockaddr(const char *host, int port, sa_family_t af) FAST_FUNC RETURNS_MALLOC;
- +#endif
- +/* Assign sin[6]_port member if the socket is an AF_INET[6] one,
- + * otherwise no-op. Useful for ftp.
- + * NB: does NOT do htons() internally, just direct assignment. */
- +void set_nport(len_and_sockaddr *lsa, unsigned port) FAST_FUNC;
- +/* Retrieve sin[6]_port or return -1 for non-INET[6] lsa's */
- +int get_nport(const struct sockaddr *sa) FAST_FUNC;
- +/* Reverse DNS. Returns NULL on failure. */
- +char* xmalloc_sockaddr2host(const struct sockaddr *sa) FAST_FUNC RETURNS_MALLOC;
- +/* This one doesn't append :PORTNUM */
- +char* xmalloc_sockaddr2host_noport(const struct sockaddr *sa) FAST_FUNC RETURNS_MALLOC;
- +/* This one also doesn't fall back to dotted IP (returns NULL) */
- +char* xmalloc_sockaddr2hostonly_noport(const struct sockaddr *sa) FAST_FUNC RETURNS_MALLOC;
- +/* inet_[ap]ton on steroids */
- +char* xmalloc_sockaddr2dotted(const struct sockaddr *sa) FAST_FUNC RETURNS_MALLOC;
- +char* xmalloc_sockaddr2dotted_noport(const struct sockaddr *sa) FAST_FUNC RETURNS_MALLOC;
- +// "old" (ipv4 only) API
- +// users: traceroute.c hostname.c - use _list_ of all IPs
- +struct hostent *xgethostbyname(const char *name) FAST_FUNC;
- +// Also mount.c and inetd.c are using gethostbyname(),
- +// + inet_common.c has additional IPv4-only stuff
- +
- +
- +void socket_want_pktinfo(int fd) FAST_FUNC;
- +ssize_t send_to_from(int fd, void *buf, size_t len, int flags,
- + const struct sockaddr *to,
- + const struct sockaddr *from,
- + socklen_t tolen) FAST_FUNC;
- +ssize_t recv_from_to(int fd, void *buf, size_t len, int flags,
- + struct sockaddr *from,
- + struct sockaddr *to,
- + socklen_t sa_size) FAST_FUNC;
- +
- +
- +char *xstrdup(const char *s) FAST_FUNC RETURNS_MALLOC;
- +char *xstrndup(const char *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;
- +/* 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;
- +// gcc-4.1.1 still isn't good enough at optimizing it
- +// (+200 bytes compared to macro)
- +//static ALWAYS_INLINE
- +//int LONE_DASH(const char *s) { return s[0] == '-' && !s[1]; }
- +//static 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])
- +#define DOT_OR_DOTDOT(s) ((s)[0] == '.' && (!(s)[1] || ((s)[1] == '.' && !(s)[2])))
- +
- +typedef struct uni_stat_t {
- + unsigned byte_count;
- + unsigned unicode_count;
- + unsigned unicode_width;
- +} uni_stat_t;
- +/* Returns a string with unprintable chars replaced by '?' or
- + * SUBST_WCHAR. This function is unicode-aware. */
- +const char* FAST_FUNC printable_string(uni_stat_t *stats, const char *str);
- +/* Prints unprintable char ch as ^C or M-c to file
- + * (M-c is used only if ch is ORed with PRINTABLE_META),
- + * else it is printed as-is (except for ch = 0x9b) */
- +enum { PRINTABLE_META = 0x100 };
- +void fputc_printable(int ch, FILE *file) FAST_FUNC;
- +
- +/* dmalloc will redefine these to it's own implementation. It is safe
- + * to have the prototypes here unconditionally. */
- +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
- + * 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. */
- +#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_safe_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;
- +extern void xread(int fd, void *buf, size_t count) FAST_FUNC;
- +extern unsigned char xread_char(int fd) FAST_FUNC;
- +extern ssize_t read_close(int fd, void *buf, size_t maxsz) FAST_FUNC;
- +extern ssize_t open_read_close(const char *filename, void *buf, size_t maxsz) FAST_FUNC;
- +// Reads one line a-la fgets (but doesn't save terminating '\n').
- +// Reads byte-by-byte. Useful when it is important to not read ahead.
- +// Bytes are appended to pfx (which must be malloced, or NULL).
- +extern char *xmalloc_reads(int fd, char *pfx, size_t *maxsz_p) FAST_FUNC;
- +/* Reads block up to *maxsz_p (default: INT_MAX - 4095) */
- +extern void *xmalloc_read(int fd, size_t *maxsz_p) FAST_FUNC RETURNS_MALLOC;
- +/* Returns NULL if file can't be opened (default max size: INT_MAX - 4095) */
- +extern void *xmalloc_open_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;
- +#else
- +# define setup_unzip_on_fd(...) ((void)0)
- +#endif
- +/* Autodetects .gz etc */
- +extern int open_zipped(const char *fname) FAST_FUNC;
- +extern void *xmalloc_open_zipped_read_close(const char *fname, 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;
- +
- +extern ssize_t safe_write(int fd, const void *buf, size_t count) FAST_FUNC;
- +// NB: will return short write on error, not -1,
- +// if some data was written before error occurred
- +extern ssize_t full_write(int fd, const void *buf, size_t count) FAST_FUNC;
- +extern void xwrite(int fd, const void *buf, size_t count) FAST_FUNC;
- +extern void xwrite_str(int fd, const char *str) FAST_FUNC;
- +extern ssize_t full_write1_str(const char *str) FAST_FUNC;
- +extern ssize_t full_write2_str(const char *str) FAST_FUNC;
- +extern void xopen_xwrite_close(const char* file, const char *str) FAST_FUNC;
- +
- +/* Close fd, but check for failures (some types of write errors) */
- +extern void xclose(int fd) FAST_FUNC;
- +
- +/* Reads and prints to stdout till eof, then closes FILE. Exits on error: */
- +extern void xprint_and_close_file(FILE *file) FAST_FUNC;
- +
- +extern char *bb_get_chunk_from_file(FILE *file, int *end) FAST_FUNC;
- +extern char *bb_get_chunk_with_continuation(FILE *file, int *end, int *lineno) FAST_FUNC;
- +/* Reads up to (and including) TERMINATING_STRING: */
- +extern char *xmalloc_fgets_str(FILE *file, const char *terminating_string) FAST_FUNC RETURNS_MALLOC;
- +/* Same, with limited max size, and returns the length (excluding NUL): */
- +extern char *xmalloc_fgets_str_len(FILE *file, const char *terminating_string, size_t *maxsz_p) FAST_FUNC RETURNS_MALLOC;
- +/* Chops off TERMINATING_STRING from the end: */
- +extern char *xmalloc_fgetline_str(FILE *file, const char *terminating_string) FAST_FUNC RETURNS_MALLOC;
- +/* Reads up to (and including) "\n" or NUL byte: */
- +extern char *xmalloc_fgets(FILE *file) FAST_FUNC RETURNS_MALLOC;
- +/* Chops off '\n' from the end, unlike fgets: */
- +extern char *xmalloc_fgetline(FILE *file) FAST_FUNC RETURNS_MALLOC;
- +/* Same, but doesn't try to conserve space (may have some slack after the end) */
- +/* extern char *xmalloc_fgetline_fast(FILE *file) FAST_FUNC RETURNS_MALLOC; */
- +
- +void die_if_ferror(FILE *file, const char *msg) FAST_FUNC;
- +void die_if_ferror_stdout(void) FAST_FUNC;
- +int fflush_all(void) FAST_FUNC;
- +void fflush_stdout_and_exit(int retval) NORETURN FAST_FUNC;
- +int fclose_if_not_stdin(FILE *file) FAST_FUNC;
- +FILE* xfopen(const char *filename, const char *mode) FAST_FUNC;
- +/* Prints warning to stderr and returns NULL on failure: */
- +FILE* fopen_or_warn(const char *filename, const char *mode) FAST_FUNC;
- +/* "Opens" stdin if filename is special, else just opens file: */
- +FILE* xfopen_stdin(const char *filename) FAST_FUNC;
- +FILE* fopen_or_warn_stdin(const char *filename) FAST_FUNC;
- +FILE* fopen_for_read(const char *path) FAST_FUNC;
- +FILE* xfopen_for_read(const char *path) FAST_FUNC;
- +FILE* fopen_for_write(const char *path) FAST_FUNC;
- +FILE* xfopen_for_write(const char *path) FAST_FUNC;
- +FILE* xfdopen_for_read(int fd) FAST_FUNC;
- +FILE* xfdopen_for_write(int fd) FAST_FUNC;
- +
- +int bb_pstrcmp(const void *a, const void *b) /* not FAST_FUNC! */;
- +void qsort_string_vector(char **sv, unsigned count) FAST_FUNC;
- +
- +/* Wrapper which restarts poll on EINTR or ENOMEM.
- + * On other errors complains [perror("poll")] and returns.
- + * Warning! May take (much) longer than timeout_ms to return!
- + * If this is a problem, use bare poll and open-code EINTR/ENOMEM handling */
- +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;
- +
- +char *utoa(unsigned n) FAST_FUNC;
- +char *itoa(int n) FAST_FUNC;
- +/* Returns a pointer past the formatted number, does NOT null-terminate */
- +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[5], const char *scale) FAST_FUNC;
- +void 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...),
- + * else divide by display_unit and do not use suffix. */
- +#define HUMAN_READABLE_MAX_WIDTH 7 /* "1024.0G" */
- +#define HUMAN_READABLE_MAX_WIDTH_STR "7"
- +//TODO: provide pointer to buf (avoid statics)?
- +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;
- +/* Reverse */
- +char* hex2bin(char *dst, const char *str, int count) FAST_FUNC;
- +
- +/* Generate a UUID */
- +void generate_uuid(uint8_t *buf) FAST_FUNC;
- +
- +/* Last element is marked by mult == 0 */
- +struct suffix_mult {
- + char suffix[4];
- + 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) FAST_FUNC;
- +/* Useful for reading port numbers */
- +uint16_t xatou16(const char *numstr) FAST_FUNC;
- +
- +
- +/* These parse entries in /etc/passwd and /etc/group. This is desirable
- + * for BusyBox since we want to avoid using the glibc NSS stuff, which
- + * increases target size and is often not needed on embedded systems. */
- +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 */
- +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;
- +struct passwd* xgetpwnam(const char *name) FAST_FUNC;
- +struct group* xgetgrnam(const char *name) FAST_FUNC;
- +struct passwd* xgetpwuid(uid_t uid) FAST_FUNC;
- +struct group* xgetgrgid(gid_t gid) FAST_FUNC;
- +char* xuid2uname(uid_t uid) FAST_FUNC;
- +char* xgid2group(gid_t gid) FAST_FUNC;
- +char* uid2uname(uid_t uid) FAST_FUNC;
- +char* gid2group(gid_t gid) FAST_FUNC;
- +char* uid2uname_utoa(long uid) FAST_FUNC;
- +char* gid2group_utoa(long gid) FAST_FUNC;
- +/* versions which cache results (useful for ps, ls etc) */
- +const char* get_cached_username(uid_t uid) FAST_FUNC;
- +const char* get_cached_groupname(gid_t gid) FAST_FUNC;
- +void clear_username_cache(void) FAST_FUNC;
- +/* internally usernames are saved in fixed-sized char[] buffers */
- +enum { USERNAME_MAX_SIZE = 16 - sizeof(int) };
- +#if ENABLE_FEATURE_CHECK_NAMES
- +void die_if_bad_username(const char* name) FAST_FUNC;
- +#else
- +#define die_if_bad_username(name) ((void)(name))
- +#endif
- +
- +#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);
- +#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)
- +#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;
- +
- +/* BB_EXECxx always execs (it's not doing NOFORK/NOEXEC stuff),
- + * but it may exec busybox and call applet instead of searching PATH.
- + */
- +#if ENABLE_FEATURE_PREFER_APPLETS
- +int bb_execvp(const char *file, char *const argv[]) FAST_FUNC;
- +#define BB_EXECVP(prog,cmd) bb_execvp(prog,cmd)
- +#define BB_EXECLP(prog,cmd,...) \
- + execlp((find_applet_by_name(prog) >= 0) ? CONFIG_BUSYBOX_EXEC_PATH : prog, \
- + cmd, __VA_ARGS__)
- +#else
- +#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;
- +
- +/* xvfork() can't be a _function_, return after vfork mangles stack
- + * in the parent. It must be a macro. */
- +#define xvfork() \
- +({ \
- + pid_t bb__xvfork_pid = vfork(); \
- + if (bb__xvfork_pid < 0) \
- + bb_perror_msg_and_die("vfork"); \
- + bb__xvfork_pid; \
- +})
- +#if BB_MMU
- +pid_t xfork(void) FAST_FUNC;
- +#endif
- +
- +/* NOMMU friendy fork+exec: */
- +pid_t spawn(char **argv) FAST_FUNC;
- +pid_t xspawn(char **argv) FAST_FUNC;
- +
- +pid_t safe_waitpid(pid_t pid, int *wstat, int options) FAST_FUNC;
- +pid_t wait_any_nohang(int *wstat) FAST_FUNC;
- +/* wait4pid: unlike waitpid, waits ONLY for one process.
- + * Returns sig + 0x180 if child is killed by signal.
- + * It's safe to pass negative 'pids' from failed [v]fork -
- + * wait4pid will return -1 (and will not clobber [v]fork's errno).
- + * IOW: rc = wait4pid(spawn(argv));
- + * if (rc < 0) bb_perror_msg("%s", argv[0]);
- + * if (rc > 0) bb_error_msg("exit code: %d", rc & 0xff);
- + */
- +int wait4pid(pid_t pid) FAST_FUNC;
- +/* Same as wait4pid(spawn(argv)), but with NOFORK/NOEXEC if configured: */
- +int spawn_and_wait(char **argv) FAST_FUNC;
- +struct nofork_save_area {
- + jmp_buf die_jmp;
- + const char *applet_name;
- + int xfunc_error_retval;
- + uint32_t option_mask32;
- + int die_sleep;
- + smallint saved;
- +};
- +void save_nofork_data(struct nofork_save_area *save) FAST_FUNC;
- +void restore_nofork_data(struct nofork_save_area *save) FAST_FUNC;
- +/* Does NOT check that applet is NOFORK, just blindly runs it */
- +int run_nofork_applet(int applet_no, char **argv) FAST_FUNC;
- +int run_nofork_applet_prime(struct nofork_save_area *old, int applet_no, char **argv) FAST_FUNC;
- +
- +/* Helpers for daemonization.
- + *
- + * bb_daemonize(flags) = daemonize, does not compile on NOMMU
- + *
- + * bb_daemonize_or_rexec(flags, argv) = daemonizes on MMU (and ignores argv),
- + * rexec's itself on NOMMU with argv passed as command line.
- + * Thus bb_daemonize_or_rexec may cause your <applet>_main() to be re-executed
- + * from the start. (It will detect it and not reexec again second time).
- + * You have to audit carefully that you don't do something twice as a result
- + * (opening files/sockets, parsing config files etc...)!
- + *
- + * Both of the above will redirect fd 0,1,2 to /dev/null and drop ctty
- + * (will do setsid()).
- + *
- + * fork_or_rexec(argv) = bare-bones fork on MMU,
- + * "vfork + re-exec ourself" on NOMMU. No fd redirection, no setsid().
- + * On MMU ignores argv.
- + *
- + * Helper for network daemons in foreground mode:
- + *
- + * bb_sanitize_stdio() = make sure that fd 0,1,2 are opened by opening them
- + * to /dev/null if they are not.
- + */
- +enum {
- + DAEMON_CHDIR_ROOT = 1,
- + DAEMON_DEVNULL_STDIO = 2,
- + DAEMON_CLOSE_EXTRA_FDS = 4,
- + DAEMON_ONLY_SANITIZE = 8, /* internal use */
- +};
- +#if BB_MMU
- + enum { re_execed = 0 };
- +# define fork_or_rexec(argv) xfork()
- +# define bb_daemonize_or_rexec(flags, argv) bb_daemonize_or_rexec(flags)
- +# define bb_daemonize(flags) bb_daemonize_or_rexec(flags, bogus)
- +#else
- + extern bool re_execed;
- + 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;
- + int BUG_daemon_is_unavailable_on_nommu(void) FAST_FUNC;
- + void BUG_bb_daemonize_is_unavailable_on_nommu(void) FAST_FUNC;
- +# define fork() BUG_fork_is_unavailable_on_nommu()
- +# define xfork() BUG_fork_is_unavailable_on_nommu()
- +# define daemon(a,b) BUG_daemon_is_unavailable_on_nommu()
- +# define bb_daemonize(a) BUG_bb_daemonize_is_unavailable_on_nommu()
- +#endif
- +void bb_daemonize_or_rexec(int flags, char **argv) FAST_FUNC;
- +void bb_sanitize_stdio(void) FAST_FUNC;
- +/* Clear dangerous stuff, set PATH. Return 1 if was run by different user. */
- +int sanitize_env_if_suid(void) FAST_FUNC;
- +
- +
- +char* single_argv(char **argv) FAST_FUNC;
- +extern const char *const bb_argv_dash[]; /* "-", NULL */
- +extern const char *opt_complementary;
- +#if ENABLE_LONG_OPTS || ENABLE_FEATURE_GETOPT_LONG
- +#define No_argument "\0"
- +#define Required_argument "\001"
- +#define Optional_argument "\002"
- +extern const char *applet_long_options;
- +#endif
- +extern uint32_t option_mask32;
- +extern uint32_t getopt32(char **argv, const char *applet_opts, ...) FAST_FUNC;
- +
- +
- +typedef struct llist_t {
- + char *data;
- + struct llist_t *link;
- +} llist_t;
- +void llist_add_to(llist_t **old_head, void *data) FAST_FUNC;
- +void llist_add_to_end(llist_t **list_head, void *data) FAST_FUNC;
- +void *llist_pop(llist_t **elm) FAST_FUNC;
- +void llist_unlink(llist_t **head, llist_t *elm) FAST_FUNC;
- +void llist_free(llist_t *elm, void (*freeit)(void *data)) FAST_FUNC;
- +llist_t *llist_rev(llist_t *list) FAST_FUNC;
- +llist_t *llist_find_str(llist_t *first, const char *str) FAST_FUNC;
- +/* BTW, surprisingly, changing API to
- + * llist_t *llist_add_to(llist_t *old_head, void *data)
- + * etc does not result in smaller code... */
- +
- +/* start_stop_daemon and udhcpc are special - they want
- + * to create pidfiles regardless of FEATURE_PIDFILE */
- +#if ENABLE_FEATURE_PIDFILE || defined(WANT_PIDFILE)
- +/* True only if we created pidfile which is *file*, not /dev/null etc */
- +extern smallint wrote_pidfile;
- +void write_pidfile(const char *path) FAST_FUNC;
- +#define remove_pidfile(path) do { if (wrote_pidfile) unlink(path); } while (0)
- +#else
- +enum { wrote_pidfile = 0 };
- +#define write_pidfile(path) ((void)0)
- +#define remove_pidfile(path) ((void)0)
- +#endif
- +
- +enum {
- + LOGMODE_NONE = 0,
- + LOGMODE_STDIO = (1 << 0),
- + LOGMODE_SYSLOG = (1 << 1) * ENABLE_FEATURE_SYSLOG,
- + LOGMODE_BOTH = LOGMODE_SYSLOG + LOGMODE_STDIO,
- +};
- +extern const char *msg_eol;
- +extern smallint logmode;
- +extern int die_sleep;
- +extern int xfunc_error_retval;
- +extern jmp_buf die_jmp;
- +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;
- +extern void bb_error_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2))) FAST_FUNC;
- +extern void bb_perror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))) FAST_FUNC;
- +extern void bb_simple_perror_msg(const char *s) FAST_FUNC;
- +extern void bb_perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2))) FAST_FUNC;
- +extern void bb_simple_perror_msg_and_die(const char *s) NORETURN FAST_FUNC;
- +extern void bb_herror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))) FAST_FUNC;
- +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;
- +
- +/* We need to export XXX_main from libbusybox
- + * only if we build "individual" binaries
- + */
- +#if ENABLE_FEATURE_INDIVIDUAL
- +#define MAIN_EXTERNALLY_VISIBLE EXTERNALLY_VISIBLE
- +#else
- +#define MAIN_EXTERNALLY_VISIBLE
- +#endif
- +
- +
- +/* Applets which are useful from another applets */
- +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);
- +/* Similar, but used by chgrp, not shell */
- +int chown_main(int argc, char **argv) IF_CHOWN(MAIN_EXTERNALLY_VISIBLE);
- +/* Used by ftpd */
- +int ls_main(int argc, char **argv) IF_LS(MAIN_EXTERNALLY_VISIBLE);
- +/* Don't need IF_xxx() guard for these */
- +int gunzip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
- +int bunzip2_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
- +
- +#if ENABLE_ROUTE
- +void bb_displayroutes(int noresolve, int netstatfmt) FAST_FUNC;
- +#endif
- +
- +
- +/* 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;
- + const char *title;
- + int af;
- + int alen;
- + char* FAST_FUNC (*print)(unsigned char *);
- + const char* FAST_FUNC (*sprint)(struct sockaddr *, int numeric);
- + int FAST_FUNC (*input)(/*int type,*/ const char *bufp, struct sockaddr *);
- + void FAST_FUNC (*herror)(char *text);
- + int FAST_FUNC (*rprint)(int options);
- + int FAST_FUNC (*rinput)(int typ, int ext, char **argv);
- + /* may modify src */
- + int FAST_FUNC (*getmask)(char *src, struct sockaddr *mask, char *name);
- +};
- +/* This structure defines hardware protocols and their handlers. */
- +struct hwtype {
- + const char *name;
- + const char *title;
- + int type;
- + int alen;
- + char* FAST_FUNC (*print)(unsigned char *);
- + int FAST_FUNC (*input)(const char *, struct sockaddr *);
- + int FAST_FUNC (*activate)(int fd);
- + int suppress_null_addr;
- +};
- +extern smallint interface_opt_a;
- +int display_interfaces(char *ifname) FAST_FUNC;
- +#if ENABLE_FEATURE_HWIB
- +int in_ib(const char *bufp, struct sockaddr *sap) FAST_FUNC;
- +#else
- +#define in_ib(a, b) 1 /* fail */
- +#endif
- +const struct aftype *get_aftype(const char *name) FAST_FUNC;
- +const struct hwtype *get_hwtype(const char *name) FAST_FUNC;
- +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
- +
- +#ifdef HAVE_MNTENT_H
- +extern int match_fstype(const struct mntent *mt, const char *fstypes) FAST_FUNC;
- +extern struct mntent *find_mount_point(const char *name, int subdir_too) FAST_FUNC;
- +#endif
- +extern void erase_mtab(const char * name) FAST_FUNC;
- +extern unsigned int tty_baud_to_value(speed_t speed) FAST_FUNC;
- +extern speed_t tty_value_to_baud(unsigned int value) FAST_FUNC;
- +#if ENABLE_DESKTOP
- +extern void bb_warn_ignoring_args(char *arg) FAST_FUNC;
- +#else
- +# define bb_warn_ignoring_args(arg) ((void)0)
- +#endif
- +
- +extern int get_linux_version_code(void) FAST_FUNC;
- +
- +extern char *query_loop(const char *device) FAST_FUNC;
- +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;
- +
- +/* Like bb_ask below, but asks on stdin with no timeout. */
- +char *bb_ask_stdin(const char * prompt) FAST_FUNC;
- +//TODO: pass buf pointer or return allocated buf (avoid statics)?
- +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;
- +
- +/*
- + * Config file parser
- + */
- +enum {
- + PARSE_COLLAPSE = 0x00010000, // treat consecutive delimiters as one
- + PARSE_TRIM = 0x00020000, // trim leading and trailing delimiters
- +// TODO: COLLAPSE and TRIM seem to always go in pair
- + PARSE_GREEDY = 0x00040000, // last token takes entire remainder of the line
- + 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
- + // 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,
- +};
- +typedef struct parser_t {
- + FILE *fp;
- + char *line;
- + char *data;
- + int lineno;
- +} parser_t;
- +parser_t* config_open(const char *filename) FAST_FUNC;
- +parser_t* config_open2(const char *filename, FILE* FAST_FUNC (*fopen_func)(const char *path)) FAST_FUNC;
- +/* delims[0] is a comment char (use '\0' to disable), the rest are token delimiters */
- +int config_read(parser_t *parser, char **tokens, unsigned flags, const char *delims) FAST_FUNC;
- +#define config_read(parser, tokens, max, min, str, flags) \
- + config_read(parser, tokens, ((flags) | (((min) & 0xFF) << 8) | ((max) & 0xFF)), str)
- +void config_close(parser_t *parser) FAST_FUNC;
- +
- +/* Concatenate path and filename to new allocated buffer.
- + * Add "/" only as needed (no duplicate "//" are produced).
- + * If path is NULL, it is assumed to be "/".
- + * filename should not be NULL. */
- +char *concat_path_file(const char *path, const char *filename) FAST_FUNC;
- +char *concat_subpath_file(const char *path, const char *filename) 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;
- +
- +
- +int bb_make_directory(char *path, long mode, int flags) FAST_FUNC;
- +
- +int get_signum(const char *name) FAST_FUNC;
- +const char *get_signame(int number) FAST_FUNC;
- +void print_signames(void) FAST_FUNC;
- +
- +char *bb_simplify_path(const char *path) FAST_FUNC;
- +/* Returns ptr to NUL */
- +char *bb_simplify_abs_path_inplace(char *path) FAST_FUNC;
- +
- +#define FAIL_DELAY 3
- +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;
- +#if ENABLE_SELINUX
- +extern void renew_current_security_context(void) FAST_FUNC;
- +extern void set_current_security_context(security_context_t sid) FAST_FUNC;
- +extern context_t set_security_context_component(security_context_t cur_context,
- + char *user, char *role, char *type, char *range) FAST_FUNC;
- +extern void setfscreatecon_or_die(security_context_t scontext) FAST_FUNC;
- +extern void selinux_preserve_fcontext(int fdesc) FAST_FUNC;
- +#else
- +#define selinux_preserve_fcontext(fdesc) ((void)0)
- +#endif
- +extern void selinux_or_die(void) FAST_FUNC;
- +
- +/* 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
- + * TERM=(old value)
- + * USER=pw->pw_name, LOGNAME=pw->pw_name
- + * PATH=bb_default_[root_]path
- + * HOME=pw->pw_dir
- + * SHELL=shell
- + * else if change_env = 1:
- + * if not root (if pw->pw_uid != 0):
- + * USER=pw->pw_name, LOGNAME=pw->pw_name
- + * HOME=pw->pw_dir
- + * SHELL=shell
- + * else does nothing
- + */
- +#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;
- +/* Returns a malloced string */
- +#if !ENABLE_USE_BB_CRYPT
- +#define pw_encrypt(clear, salt, cleanup) pw_encrypt(clear, salt)
- +#endif
- +extern char *pw_encrypt(const char *clear, const char *salt, int cleanup) FAST_FUNC;
- +extern int obscure(const char *old, const char *newval, const struct passwd *pwdp) FAST_FUNC;
- +/* rnd is additional random input. New one is returned.
- + * Useful if you call crypt_make_salt many times in a row:
- + * rnd = crypt_make_salt(buf1, 4, 0);
- + * rnd = crypt_make_salt(buf2, 4, rnd);
- + * rnd = crypt_make_salt(buf3, 4, rnd);
- + * (otherwise we risk having same salt generated)
- + */
- +extern int crypt_make_salt(char *p, int cnt, int rnd) FAST_FUNC;
- +
- +/* Returns number of lines changed, or -1 on error */
- +#if !(ENABLE_FEATURE_ADDUSER_TO_GROUP || ENABLE_FEATURE_DEL_USER_FROM_GROUP)
- +#define update_passwd(filename, username, data, member) \
- + update_passwd(filename, username, data)
- +#endif
- +extern int update_passwd(const char *filename,
- + const char *username,
- + const char *data,
- + const char *member) FAST_FUNC;
- +
- +int index_in_str_array(const char *const string_array[], const char *key) FAST_FUNC;
- +int index_in_strings(const char *strings, const char *key) FAST_FUNC;
- +int index_in_substr_array(const char *const string_array[], const char *key) FAST_FUNC;
- +int index_in_substrings(const char *strings, const char *key) FAST_FUNC;
- +const char *nth_string(const char *strings, int n) FAST_FUNC;
- +
- +extern void print_login_issue(const char *issue_file, const char *tty) FAST_FUNC;
- +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 tcsetattr_stdin_TCSANOW(const struct termios *tp) FAST_FUNC;
- +
- +/* NB: "unsigned request" is crucial! "int request" will break some arches! */
- +int ioctl_or_perror(int fd, unsigned request, void *argp, const char *fmt,...) __attribute__ ((format (printf, 4, 5))) FAST_FUNC;
- +int ioctl_or_perror_and_die(int fd, unsigned request, void *argp, const char *fmt,...) __attribute__ ((format (printf, 4, 5))) FAST_FUNC;
- +#if ENABLE_IOCTL_HEX2STR_ERROR
- +int bb_ioctl_or_warn(int fd, unsigned request, void *argp, const char *ioctl_name) FAST_FUNC;
- +int bb_xioctl(int fd, unsigned request, void *argp, const char *ioctl_name) FAST_FUNC;
- +#define ioctl_or_warn(fd,request,argp) bb_ioctl_or_warn(fd,request,argp,#request)
- +#define xioctl(fd,request,argp) bb_xioctl(fd,request,argp,#request)
- +#else
- +int bb_ioctl_or_warn(int fd, unsigned request, void *argp) FAST_FUNC;
- +int bb_xioctl(int fd, unsigned request, void *argp) FAST_FUNC;
- +#define ioctl_or_warn(fd,request,argp) bb_ioctl_or_warn(fd,request,argp)
- +#define xioctl(fd,request,argp) bb_xioctl(fd,request,argp)
- +#endif
- +
- +char *is_in_ino_dev_hashtable(const struct stat *statbuf) FAST_FUNC;
- +void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name) FAST_FUNC;
- +void reset_ino_dev_hashtable(void) FAST_FUNC;
- +#ifdef __GLIBC__
- +/* At least glibc has horrendously large inline for this, so wrap it */
- +unsigned long long bb_makedev(unsigned int major, unsigned int minor) FAST_FUNC;
- +#undef makedev
- +#define makedev(a,b) bb_makedev(a,b)
- +#endif
- +
- +
- +/* "Keycodes" that report an escape sequence.
- + * We use something which fits into signed char,
- + * 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,
- +#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_CURSOR_POS = -0x100, /* 0xfff..fff00 */
- + /* How long is the longest ESC sequence we know?
- + * We want it big enough to be able to contain
- + * cursor position sequence "ESC [ 9999 ; 9999 R"
- + */
- + KEYCODE_BUFFER_SIZE = 16
- +};
- +/* Note: fd may be in blocking or non-blocking mode, both make sense.
- + * For one, less uses non-blocking mode.
- + * Only the first read syscall inside read_key may block indefinitely
- + * (unless fd is in non-blocking mode),
- + * subsequent reads will time out after a few milliseconds.
- + * Return of -1 means EOF or error (errno == 0 on EOF).
- + * buffer[0] is used as a counter of buffered chars and must be 0
- + * on first call.
- + * timeout:
- + * -2: do not poll for input;
- + * -1: poll(-1) (i.e. block);
- + * >=0: poll for TIMEOUT milliseconds, return -1/EAGAIN on timeout
- + */
- +int64_t read_key(int fd, char *buffer, int timeout) FAST_FUNC;
- +void read_key_ungets(char *buffer, const char *str, unsigned len) FAST_FUNC;
- +
- +
- +#if ENABLE_FEATURE_EDITING
- +/* It's NOT just ENABLEd or disabled. It's a number: */
- +# ifdef CONFIG_FEATURE_EDITING_HISTORY
- +# define MAX_HISTORY (CONFIG_FEATURE_EDITING_HISTORY + 0)
- +# else
- +# define MAX_HISTORY 0
- +# endif
- +typedef struct line_input_t {
- + int flags;
- + const char *path_lookup;
- +# if MAX_HISTORY
- + int cnt_history;
- + int cur_history;
- +# if ENABLE_FEATURE_EDITING_SAVEHISTORY
- + unsigned cnt_history_in_file;
- + const char *hist_file;
- +# endif
- + char *history[MAX_HISTORY + 1];
- +# 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,
- +};
- +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; */
- +/* maxsize must be >= 2.
- + * Returns:
- + * -1 on read errors or EOF, or on bare Ctrl-D,
- + * 0 on ctrl-C (the line entered is still returned in 'command'),
- + * >0 length of input string, including terminating '\n'
- + */
- +int read_line_input(const char* prompt, char* command, int maxsize, line_input_t *state) FAST_FUNC;
- +#else
- +#define MAX_HISTORY 0
- +int read_line_input(const char* prompt, char* command, int maxsize) FAST_FUNC;
- +#define read_line_input(prompt, command, maxsize, state) \
- + read_line_input(prompt, command, maxsize)
- +#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 procps_status_t {
- + DIR *dir;
- + IF_FEATURE_SHOW_THREADS(DIR *task_dir;)
- + uint8_t shift_pages_to_bytes;
- + uint8_t shift_pages_to_kb;
- +/* Fields are set to 0/NULL if failed to determine (or not requested) */
- + uint16_t argv_len;
- + char *argv0;
- + char *exe;
- + IF_SELINUX(char *context;)
- + /* Everything below must contain no ptrs to malloc'ed data:
- + * it is memset(0) for each process in procps_scan() */
- + unsigned long vsz, rss; /* we round it to kbytes */
- + unsigned long stime, utime;
- + unsigned long start_time;
- + unsigned pid;
- + unsigned ppid;
- + unsigned pgid;
- + unsigned sid;
- + unsigned uid;
- + unsigned gid;
- +#if ENABLE_FEATURE_PS_ADDITIONAL_COLUMNS
- + unsigned ruid;
- + unsigned rgid;
- + int niceness;
- +#endif
- + unsigned tty_major,tty_minor;
- +#if ENABLE_FEATURE_TOPMEM
- + unsigned long mapped_rw;
- + unsigned long mapped_ro;
- + unsigned long shared_clean;
- + unsigned long shared_dirty;
- + unsigned long private_clean;
- + unsigned long private_dirty;
- + unsigned long stack;
- +#endif
- + char state[4];
- + /* basename of executable in exec(2), read from /proc/N/stat
- + * (if executable is symlink or script, it is NOT replaced
- + * by link target or interpreter name) */
- + char comm[COMM_LEN];
- + /* user/group? - use passwd/group parsing functions */
- +#if ENABLE_FEATURE_TOP_SMP_PROCESS
- + int last_seen_on_cpu;
- +#endif
- +} procps_status_t;
- +/* flag bits for procps_scan(xx, flags) calls */
- +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, - use read_cmdline instead */
- + PSSCAN_ARGV0 = 1 << 7,
- + PSSCAN_EXE = 1 << 8,
- + PSSCAN_STATE = 1 << 9,
- + PSSCAN_VSZ = 1 << 10,
- + PSSCAN_RSS = 1 << 11,
- + PSSCAN_STIME = 1 << 12,
- + PSSCAN_UTIME = 1 << 13,
- + PSSCAN_TTY = 1 << 14,
- + PSSCAN_SMAPS = (1 << 15) * ENABLE_FEATURE_TOPMEM,
- + /* NB: used by find_pid_by_name(). Any applet using it
- + * needs to be mentioned here. */
- + PSSCAN_ARGVN = (1 << 16) * (ENABLE_KILLALL
- + || ENABLE_PGREP || ENABLE_PKILL
- + || ENABLE_PIDOF
- + || ENABLE_SESTATUS
- + ),
- + PSSCAN_CONTEXT = (1 << 17) * ENABLE_SELINUX,
- + PSSCAN_START_TIME = 1 << 18,
- + PSSCAN_CPU = (1 << 19) * ENABLE_FEATURE_TOP_SMP_PROCESS,
- + PSSCAN_NICE = (1 << 20) * ENABLE_FEATURE_PS_ADDITIONAL_COLUMNS,
- + PSSCAN_RUIDGID = (1 << 21) * ENABLE_FEATURE_PS_ADDITIONAL_COLUMNS,
- + PSSCAN_TASKS = (1 << 22) * ENABLE_FEATURE_SHOW_THREADS,
- + /* These are all retrieved from proc/NN/stat in one go: */
- + PSSCAN_STAT = PSSCAN_PPID | PSSCAN_PGID | PSSCAN_SID
- + /**/ | PSSCAN_COMM | PSSCAN_STATE
- + /**/ | PSSCAN_VSZ | PSSCAN_RSS
- + /**/ | PSSCAN_STIME | PSSCAN_UTIME | PSSCAN_START_TIME
- + /**/ | PSSCAN_TTY | PSSCAN_NICE
- + /**/ | PSSCAN_CPU
- +};
- +//procps_status_t* alloc_procps_scan(void) FAST_FUNC;
- +void free_procps_scan(procps_status_t* sp) FAST_FUNC;
- +procps_status_t* procps_scan(procps_status_t* sp, int flags) FAST_FUNC;
- +/* Format cmdline (up to col chars) into char buf[size] */
- +/* Puts [comm] if cmdline is empty (-> process is a kernel thread) */
- +void read_cmdline(char *buf, int size, unsigned pid, const char *comm) FAST_FUNC;
- +pid_t *find_pid_by_name(const char* procName) FAST_FUNC;
- +pid_t *pidlist_reverse(pid_t *pidList) FAST_FUNC;
- +
- +
- +extern const char bb_uuenc_tbl_base64[];
- +extern const char bb_uuenc_tbl_std[];
- +void bb_uuencode(char *store, const void *s, int length, const char *tbl) FAST_FUNC;
- +
- +typedef struct sha1_ctx_t {
- + uint32_t hash[8]; /* 5, +3 elements for sha256 */
- + uint64_t total64;
- + uint8_t wbuffer[64]; /* NB: always correctly aligned for uint64_t */
- + void (*process_block)(struct sha1_ctx_t*) FAST_FUNC;
- +} sha1_ctx_t;
- +void sha1_begin(sha1_ctx_t *ctx) FAST_FUNC;
- +void sha1_hash(const void *data, size_t length, sha1_ctx_t *ctx) FAST_FUNC;
- +void sha1_end(void *resbuf, sha1_ctx_t *ctx) FAST_FUNC;
- +typedef struct sha1_ctx_t sha256_ctx_t;
- +void sha256_begin(sha256_ctx_t *ctx) FAST_FUNC;
- +#define sha256_hash sha1_hash
- +#define sha256_end sha1_end
- +typedef struct sha512_ctx_t {
- + uint64_t hash[8];
- + uint64_t total64[2];
- + uint8_t wbuffer[128]; /* NB: always correctly aligned for uint64_t */
- +} sha512_ctx_t;
- +void sha512_begin(sha512_ctx_t *ctx) FAST_FUNC;
- +void sha512_hash(const void *buffer, size_t len, sha512_ctx_t *ctx) FAST_FUNC;
- +void sha512_end(void *resbuf, sha512_ctx_t *ctx) FAST_FUNC;
- +#if 1
- +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;
- +#else
- +/* libbb/md5prime.c uses a bit different one: */
- +typedef struct md5_ctx_t {
- + uint32_t state[4]; /* state (ABCD) */
- + uint32_t count[2]; /* number of bits, modulo 2^64 (lsb first) */
- + unsigned char buffer[64]; /* input buffer */
- +} md5_ctx_t;
- +#endif
- +void md5_begin(md5_ctx_t *ctx) FAST_FUNC;
- +void md5_hash(const void *data, size_t length, md5_ctx_t *ctx) FAST_FUNC;
- +void md5_end(void *resbuf, md5_ctx_t *ctx) FAST_FUNC;
- +
- +
- +uint32_t *crc32_filltable(uint32_t *tbl256, int endian) FAST_FUNC;
- +
- +typedef struct masks_labels_t {
- + const char *labels;
- + const int masks[];
- +} masks_labels_t;
- +int print_flags_separated(const int *masks, const char *labels,
- + int flags, const char *separator) FAST_FUNC;
- +int print_flags(const masks_labels_t *ml, int flags) FAST_FUNC;
- +
- +typedef struct bb_progress_t {
- + off_t lastsize;
- + unsigned lastupdate_sec;
- + unsigned start_sec;
- + smallint inited;
- +} bb_progress_t;
- +
- +void bb_progress_init(bb_progress_t *p) FAST_FUNC;
- +void bb_progress_update(bb_progress_t *p, const char *curfile,
- + off_t beg_range, off_t transferred,
- + off_t totalsize) FAST_FUNC;
- +
- +extern const char *applet_name;
- +/* "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_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_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_str_default[];
- +/* NB: (bb_hexdigits_upcase[i] | 0x20) -> lowercase hex digit */
- +extern const char bb_hexdigits_upcase[];
- +
- +extern const char bb_path_mtab_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_motd_file[];
- +extern const char bb_path_wtmp_file[];
- +extern const char bb_dev_null[];
- +extern const char bb_busybox_exec_path[];
- +/* 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" */
- +#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;
- +
- +
- +/* 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;
- +/* '*const' ptr makes gcc optimize code much better.
- + * Magic prevents ptr_to_globals from going into rodata.
- + * If you want to assign a value, use SET_PTR_TO_GLOBALS(x) */
- +extern struct globals *const ptr_to_globals;
- +/* At least gcc 3.4.6 on mipsel system needs optimization barrier */
- +#define barrier() __asm__ __volatile__("":::"memory")
- +#define SET_PTR_TO_GLOBALS(x) do { \
- + (*(struct globals**)&ptr_to_globals) = (void*)(x); \
- + barrier(); \
- +} 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[];
- +/* "/bin/sh" */
- +#define DEFAULT_SHELL (bb_default_login_shell+1)
- +/* "sh" */
- +#define DEFAULT_SHELL_SHORT_NAME (bb_default_login_shell+6)
- +
- +#if ENABLE_FEATURE_DEVFS
- +# define CURRENT_VC "/dev/vc/0"
- +# define VC_1 "/dev/vc/1"
- +# define VC_2 "/dev/vc/2"
- +# define VC_3 "/dev/vc/3"
- +# define VC_4 "/dev/vc/4"
- +# define VC_5 "/dev/vc/5"
- +# if defined(__sh__) || defined(__H8300H__) || defined(__H8300S__)
- +/* Yes, this sucks, but both SH (including sh64) and H8 have a SCI(F) for their
- + respective serial ports .. as such, we can't use the common device paths for
- + these. -- PFM */
- +# define SC_0 "/dev/ttsc/0"
- +# define SC_1 "/dev/ttsc/1"
- +# define SC_FORMAT "/dev/ttsc/%d"
- +# else
- +# define SC_0 "/dev/tts/0"
- +# define SC_1 "/dev/tts/1"
- +# define SC_FORMAT "/dev/tts/%d"
- +# endif
- +# define VC_FORMAT "/dev/vc/%d"
- +# define LOOP_FORMAT "/dev/loop/%d"
- +# define LOOP_NAMESIZE (sizeof("/dev/loop/") + sizeof(int)*3 + 1)
- +# define LOOP_NAME "/dev/loop/"
- +# define FB_0 "/dev/fb/0"
- +#else
- +# define CURRENT_VC "/dev/tty0"
- +# define VC_1 "/dev/tty1"
- +# define VC_2 "/dev/tty2"
- +# define VC_3 "/dev/tty3"
- +# define VC_4 "/dev/tty4"
- +# define VC_5 "/dev/tty5"
- +# if defined(__sh__) || defined(__H8300H__) || defined(__H8300S__)
- +# define SC_0 "/dev/ttySC0"
- +# define SC_1 "/dev/ttySC1"
- +# define SC_FORMAT "/dev/ttySC%d"
- +# else
- +# define SC_0 "/dev/ttyS0"
- +# define SC_1 "/dev/ttyS1"
- +# define SC_FORMAT "/dev/ttyS%d"
- +# endif
- +# define VC_FORMAT "/dev/tty%d"
- +# define LOOP_FORMAT "/dev/loop%d"
- +# define LOOP_NAMESIZE (sizeof("/dev/loop") + sizeof(int)*3 + 1)
- +# 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 DEV_CONSOLE "/dev/console"
- +
- +
- +#define ARRAY_SIZE(x) ((unsigned)(sizeof(x) / sizeof((x)[0])))
- +
- +
- +/* We redefine ctype macros. Unicode-correct handling of char types
- + * can't be done with such byte-oriented operations anyway,
- + * we don't lose anything.
- + */
- +#undef isalnum
- +#undef isalpha
- +#undef isascii
- +#undef isblank
- +#undef iscntrl
- +#undef isdigit
- +#undef isgraph
- +#undef islower
- +#undef isprint
- +#undef ispunct
- +#undef isspace
- +#undef isupper
- +#undef isxdigit
- +#undef toupper
- +#undef tolower
- +
- +/* We save ~500 bytes on isdigit alone.
- + * BTW, x86 likes (unsigned char) cast more than (unsigned). */
- +
- +/* These work the same for ASCII and Unicode,
- + * assuming no one asks "is this a *Unicode* letter?" using isalpha(letter) */
- +#define isascii(a) ((unsigned char)(a) <= 0x7f)
- +#define isdigit(a) ((unsigned char)((a) - '0') <= 9)
- +#define isupper(a) ((unsigned char)((a) - 'A') <= ('Z' - 'A'))
- +#define islower(a) ((unsigned char)((a) - 'a') <= ('z' - 'a'))
- +#define isalpha(a) ((unsigned char)(((a)|0x20) - 'a') <= ('z' - 'a'))
- +#define isblank(a) ({ unsigned char bb__isblank = (a); bb__isblank == ' ' || bb__isblank == '\t'; })
- +#define iscntrl(a) ({ unsigned char bb__iscntrl = (a); bb__iscntrl < ' ' || bb__iscntrl == 0x7f; })
- +/* In POSIX/C locale isspace is only these chars: "\t\n\v\f\r" and space.
- + * "\t\n\v\f\r" happen to have ASCII codes 9,10,11,12,13.
- + */
- +#define isspace(a) ({ unsigned char bb__isspace = (a) - 9; bb__isspace == (' ' - 9) || bb__isspace <= (13 - 9); })
- +// Unsafe wrt NUL: #define ispunct(a) (strchr("!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~", (a)) != NULL)
- +#define ispunct(a) (strchrnul("!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~", (a))[0])
- +// Bigger code: #define isalnum(a) ({ unsigned char bb__isalnum = (a) - '0'; bb__isalnum <= 9 || ((bb__isalnum - ('A' - '0')) & 0xdf) <= 25; })
- +#define isalnum(a) bb_ascii_isalnum(a)
- +static ALWAYS_INLINE int bb_ascii_isalnum(unsigned char a)
- +{
- + unsigned char b = a - '0';
- + if (b <= 9)
- + return (b <= 9);
- + b = (a|0x20) - 'a';
- + return b <= 'z' - 'a';
- +}
- +#define isxdigit(a) bb_ascii_isxdigit(a)
- +static ALWAYS_INLINE int bb_ascii_isxdigit(unsigned char a)
- +{
- + unsigned char b = a - '0';
- + if (b <= 9)
- + return (b <= 9);
- + b = (a|0x20) - 'a';
- + return b <= 'f' - 'a';
- +}
- +#define toupper(a) bb_ascii_toupper(a)
- +static ALWAYS_INLINE unsigned char bb_ascii_toupper(unsigned char a)
- +{
- + unsigned char b = a - 'a';
- + if (b <= ('z' - 'a'))
- + a -= 'a' - 'A';
- + return a;
- +}
- +#define tolower(a) bb_ascii_tolower(a)
- +static ALWAYS_INLINE unsigned char bb_ascii_tolower(unsigned char a)
- +{
- + unsigned char b = a - 'A';
- + if (b <= ('Z' - 'A'))
- + a += 'a' - 'A';
- + return a;
- +}
- +
- +/* In ASCII and Unicode, these are likely to be very different.
- + * Let's prevent ambiguous usage from the start */
- +#define isgraph(a) isgraph_is_ambiguous_dont_use(a)
- +#define isprint(a) isprint_is_ambiguous_dont_use(a)
- +/* NB: must not treat EOF as isgraph or isprint */
- +#define isgraph_asciionly(a) ((unsigned)((a) - 0x21) <= 0x7e - 0x21)
- +#define isprint_asciionly(a) ((unsigned)((a) - 0x20) <= 0x7e - 0x20)
- +
- +
- +POP_SAVED_FUNCTION_VISIBILITY
- +
- +#endif
- diff -Nur busybox-1.17.1.orig/include/platform.h busybox-1.17.1/include/platform.h
- --- busybox-1.17.1.orig/include/platform.h 2010-07-06 04:25:54.000000000 +0200
- +++ busybox-1.17.1/include/platform.h 2010-07-28 20:14:27.000000000 +0200
- @@ -150,18 +150,19 @@
-
- /* ---- Endian Detection ------------------------------------ */
-
- +# include <sys/param.h>
- #if defined(__digital__) && defined(__unix__)
- # include <sex.h>
- # define __BIG_ENDIAN__ (BYTE_ORDER == BIG_ENDIAN)
- # define __BYTE_ORDER BYTE_ORDER
- -#elif defined __FreeBSD__
- +#elif defined __FreeBSD__ || defined __APPLE__
- # include <sys/resource.h> /* rlimit */
- # include <machine/endian.h>
- # define bswap_64 __bswap64
- # define bswap_32 __bswap32
- # define bswap_16 __bswap16
- # define __BIG_ENDIAN__ (_BYTE_ORDER == _BIG_ENDIAN)
- -#elif !defined __APPLE__
- +#elif !defined BSD
- # include <byteswap.h>
- # include <endian.h>
- #endif
- @@ -172,9 +173,15 @@
- #elif defined(__BYTE_ORDER) && __BYTE_ORDER == __BIG_ENDIAN
- # define BB_BIG_ENDIAN 1
- # define BB_LITTLE_ENDIAN 0
- +#elif defined(_BYTE_ORDER) && _BYTE_ORDER == _BIG_ENDIAN
- +# define BB_BIG_ENDIAN 1
- +# define BB_LITTLE_ENDIAN 0
- #elif (defined(__BYTE_ORDER) && __BYTE_ORDER == __LITTLE_ENDIAN) || defined(__386__)
- # define BB_BIG_ENDIAN 0
- # define BB_LITTLE_ENDIAN 1
- +#elif (defined(_BYTE_ORDER) && _BYTE_ORDER == _LITTLE_ENDIAN) || defined(__386__)
- +# define BB_BIG_ENDIAN 0
- +# define BB_LITTLE_ENDIAN 1
- #else
- # error "Can't determine endianness"
- #endif
- diff -Nur busybox-1.17.1.orig/include/platform.h.orig busybox-1.17.1/include/platform.h.orig
- --- busybox-1.17.1.orig/include/platform.h.orig 1970-01-01 01:00:00.000000000 +0100
- +++ busybox-1.17.1/include/platform.h.orig 2010-07-06 04:25:54.000000000 +0200
- @@ -0,0 +1,409 @@
- +/* vi: set sw=4 ts=4: */
- +/*
- + Copyright 2006, Bernhard Reutner-Fischer
- +
- + Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
- +*/
- +#ifndef BB_PLATFORM_H
- +#define BB_PLATFORM_H 1
- +
- +/* Assume all these functions exist by default. Platforms where it is not
- + * true will #undef them below.
- + */
- +#define HAVE_FDPRINTF 1
- +#define HAVE_MEMRCHR 1
- +#define HAVE_MKDTEMP 1
- +#define HAVE_SETBIT 1
- +#define HAVE_STRCASESTR 1
- +#define HAVE_STRCHRNUL 1
- +#define HAVE_STRSEP 1
- +#define HAVE_STRSIGNAL 1
- +#define HAVE_VASPRINTF 1
- +
- +/* Convenience macros to test the version of gcc. */
- +#undef __GNUC_PREREQ
- +#if defined __GNUC__ && defined __GNUC_MINOR__
- +# define __GNUC_PREREQ(maj, min) \
- + ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
- +#else
- +# define __GNUC_PREREQ(maj, min) 0
- +#endif
- +
- +/* __restrict is known in EGCS 1.2 and above. */
- +#if !__GNUC_PREREQ(2,92)
- +# ifndef __restrict
- +# define __restrict
- +# endif
- +#endif
- +
- +/* Define macros for some gcc attributes. This permits us to use the
- + macros freely, and know that they will come into play for the
- + version of gcc in which they are supported. */
- +
- +#if !__GNUC_PREREQ(2,7)
- +# ifndef __attribute__
- +# define __attribute__(x)
- +# endif
- +#endif
- +
- +#undef inline
- +#if defined(__STDC_VERSION__) && __STDC_VERSION__ > 199901L
- +/* it's a keyword */
- +#elif __GNUC_PREREQ(2,7)
- +# define inline __inline__
- +#else
- +# define inline
- +#endif
- +
- +#ifndef __const
- +# define __const const
- +#endif
- +
- +#define UNUSED_PARAM __attribute__ ((__unused__))
- +#define NORETURN __attribute__ ((__noreturn__))
- +/* "The malloc attribute is used to tell the compiler that a function
- + * may be treated as if any non-NULL pointer it returns cannot alias
- + * any other pointer valid when the function returns. This will often
- + * improve optimization. Standard functions with this property include
- + * malloc and calloc. realloc-like functions have this property as long
- + * as the old pointer is never referred to (including comparing it
- + * to the new pointer) after the function returns a non-NULL value."
- + */
- +#define RETURNS_MALLOC __attribute__ ((malloc))
- +#define PACKED __attribute__ ((__packed__))
- +#define ALIGNED(m) __attribute__ ((__aligned__(m)))
- +
- +/* __NO_INLINE__: some gcc's do not honor inlining! :( */
- +#if __GNUC_PREREQ(3,0) && !defined(__NO_INLINE__)
- +# define ALWAYS_INLINE __attribute__ ((always_inline)) inline
- +/* I've seen a toolchain where I needed __noinline__ instead of noinline */
- +# define NOINLINE __attribute__((__noinline__))
- +# if !ENABLE_WERROR
- +# define DEPRECATED __attribute__ ((__deprecated__))
- +# define UNUSED_PARAM_RESULT __attribute__ ((warn_unused_result))
- +# else
- +# define DEPRECATED
- +# define UNUSED_PARAM_RESULT
- +# endif
- +#else
- +# define ALWAYS_INLINE inline
- +# define NOINLINE
- +# define DEPRECATED
- +# define UNUSED_PARAM_RESULT
- +#endif
- +
- +/* -fwhole-program makes all symbols local. The attribute externally_visible
- + forces a symbol global. */
- +#if __GNUC_PREREQ(4,1)
- +# define EXTERNALLY_VISIBLE __attribute__(( visibility("default") ))
- +//__attribute__ ((__externally_visible__))
- +#else
- +# define EXTERNALLY_VISIBLE
- +#endif
- +
- +/* At 4.4 gcc become much more anal about this, need to use "aliased" types */
- +#if __GNUC_PREREQ(4,4)
- +# define FIX_ALIASING __attribute__((__may_alias__))
- +#else
- +# define FIX_ALIASING
- +#endif
- +
- +/* We use __extension__ in some places to suppress -pedantic warnings
- + about GCC extensions. This feature didn't work properly before
- + gcc 2.8. */
- +#if !__GNUC_PREREQ(2,8)
- +# ifndef __extension__
- +# define __extension__
- +# endif
- +#endif
- +
- +/* gcc-2.95 had no va_copy but only __va_copy. */
- +#if !__GNUC_PREREQ(3,0)
- +# include <stdarg.h>
- +# if !defined va_copy && defined __va_copy
- +# define va_copy(d,s) __va_copy((d),(s))
- +# endif
- +#endif
- +
- +/* FAST_FUNC is a qualifier which (possibly) makes function call faster
- + * and/or smaller by using modified ABI. It is usually only needed
- + * on non-static, busybox internal functions. Recent versions of gcc
- + * optimize statics automatically. FAST_FUNC on static is required
- + * only if you need to match a function pointer's type */
- +#if __GNUC_PREREQ(3,0) && defined(i386) /* || defined(__x86_64__)? */
- +/* stdcall makes callee to pop arguments from stack, not caller */
- +# define FAST_FUNC __attribute__((regparm(3),stdcall))
- +/* #elif ... - add your favorite arch today! */
- +#else
- +# define FAST_FUNC
- +#endif
- +
- +/* Make all declarations hidden (-fvisibility flag only affects definitions) */
- +/* (don't include system headers after this until corresponding pop!) */
- +#if __GNUC_PREREQ(4,1)
- +# define PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN _Pragma("GCC visibility push(hidden)")
- +# define POP_SAVED_FUNCTION_VISIBILITY _Pragma("GCC visibility pop")
- +#else
- +# define PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
- +# define POP_SAVED_FUNCTION_VISIBILITY
- +#endif
- +
- +/* ---- Endian Detection ------------------------------------ */
- +
- +#if defined(__digital__) && defined(__unix__)
- +# include <sex.h>
- +# define __BIG_ENDIAN__ (BYTE_ORDER == BIG_ENDIAN)
- +# define __BYTE_ORDER BYTE_ORDER
- +#elif defined __FreeBSD__
- +# include <sys/resource.h> /* rlimit */
- +# include <machine/endian.h>
- +# define bswap_64 __bswap64
- +# define bswap_32 __bswap32
- +# define bswap_16 __bswap16
- +# define __BIG_ENDIAN__ (_BYTE_ORDER == _BIG_ENDIAN)
- +#elif !defined __APPLE__
- +# include <byteswap.h>
- +# include <endian.h>
- +#endif
- +
- +#if defined(__BIG_ENDIAN__) && __BIG_ENDIAN__
- +# define BB_BIG_ENDIAN 1
- +# define BB_LITTLE_ENDIAN 0
- +#elif defined(__BYTE_ORDER) && __BYTE_ORDER == __BIG_ENDIAN
- +# define BB_BIG_ENDIAN 1
- +# define BB_LITTLE_ENDIAN 0
- +#elif (defined(__BYTE_ORDER) && __BYTE_ORDER == __LITTLE_ENDIAN) || defined(__386__)
- +# define BB_BIG_ENDIAN 0
- +# define BB_LITTLE_ENDIAN 1
- +#else
- +# error "Can't determine endianness"
- +#endif
- +
- +/* SWAP_LEnn means "convert CPU<->little_endian by swapping bytes" */
- +#if BB_BIG_ENDIAN
- +# define SWAP_BE16(x) (x)
- +# define SWAP_BE32(x) (x)
- +# define SWAP_BE64(x) (x)
- +# define SWAP_LE16(x) bswap_16(x)
- +# define SWAP_LE32(x) bswap_32(x)
- +# define SWAP_LE64(x) bswap_64(x)
- +#else
- +# define SWAP_BE16(x) bswap_16(x)
- +# define SWAP_BE32(x) bswap_32(x)
- +# define SWAP_BE64(x) bswap_64(x)
- +# define SWAP_LE16(x) (x)
- +# define SWAP_LE32(x) (x)
- +# define SWAP_LE64(x) (x)
- +#endif
- +
- +/* ---- Unaligned access ------------------------------------ */
- +
- +/* NB: unaligned parameter should be a pointer, aligned one -
- + * a lvalue. This makes it more likely to not swap them by mistake
- + */
- +#if defined(i386) || defined(__x86_64__) || defined(__powerpc__)
- +# include <stdint.h>
- +typedef int bb__aliased_int FIX_ALIASING;
- +typedef uint16_t bb__aliased_uint16_t FIX_ALIASING;
- +typedef uint32_t bb__aliased_uint32_t FIX_ALIASING;
- +# define move_from_unaligned_int(v, intp) ((v) = *(bb__aliased_int*)(intp))
- +# define move_from_unaligned16(v, u16p) ((v) = *(bb__aliased_uint16_t*)(u16p))
- +# define move_from_unaligned32(v, u32p) ((v) = *(bb__aliased_uint32_t*)(u32p))
- +# define move_to_unaligned16(u16p, v) (*(bb__aliased_uint16_t*)(u16p) = (v))
- +# define move_to_unaligned32(u32p, v) (*(bb__aliased_uint32_t*)(u32p) = (v))
- +/* #elif ... - add your favorite arch today! */
- +#else
- +/* performs reasonably well (gcc usually inlines memcpy here) */
- +# define move_from_unaligned_int(v, intp) (memcpy(&(v), (intp), sizeof(int)))
- +# define move_from_unaligned16(v, u16p) (memcpy(&(v), (u16p), 2))
- +# define move_from_unaligned32(v, u32p) (memcpy(&(v), (u32p), 4))
- +# define move_to_unaligned16(u16p, v) do { \
- + uint16_t __t = (v); \
- + memcpy((u16p), &__t, 4); \
- +} while (0)
- +# define move_to_unaligned32(u32p, v) do { \
- + uint32_t __t = (v); \
- + memcpy((u32p), &__t, 4); \
- +} while (0)
- +#endif
- +
- +/* ---- Compiler dependent settings ------------------------- */
- +
- +#if (defined __digital__ && defined __unix__) \
- + || defined __APPLE__ || defined __FreeBSD__
- +# undef HAVE_MNTENT_H
- +# undef HAVE_SYS_STATFS_H
- +#else
- +# define HAVE_MNTENT_H 1
- +# define HAVE_SYS_STATFS_H 1
- +#endif
- +
- +/*----- Kernel versioning ------------------------------------*/
- +
- +#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
- +
- +/* ---- Miscellaneous --------------------------------------- */
- +
- +#if defined(__GNU_LIBRARY__) && __GNU_LIBRARY__ < 5 && \
- + !defined(__dietlibc__) && \
- + !defined(_NEWLIB_VERSION) && \
- + !(defined __digital__ && defined __unix__)
- +# error "Sorry, this libc version is not supported :("
- +#endif
- +
- +/* Don't perpetuate e2fsck crap into the headers. Clean up e2fsck instead. */
- +
- +#if defined __GLIBC__ || defined __UCLIBC__ \
- + || defined __dietlibc__ || defined _NEWLIB_VERSION
- +# include <features.h>
- +#endif
- +
- +/* Size-saving "small" ints (arch-dependent) */
- +#if defined(i386) || defined(__x86_64__) || defined(__mips__) || defined(__cris__)
- +/* add other arches which benefit from this... */
- +typedef signed char smallint;
- +typedef unsigned char smalluint;
- +#else
- +/* for arches where byte accesses generate larger code: */
- +typedef int smallint;
- +typedef unsigned smalluint;
- +#endif
- +
- +/* ISO C Standard: 7.16 Boolean type and values <stdbool.h> */
- +#if (defined __digital__ && defined __unix__)
- +/* old system without (proper) C99 support */
- +# define bool smalluint
- +#else
- +/* modern system, so use it */
- +# include <stdbool.h>
- +#endif
- +
- +/* Try to defeat gcc's alignment of "char message[]"-like data */
- +#if 1 /* if needed: !defined(arch1) && !defined(arch2) */
- +# define ALIGN1 __attribute__((aligned(1)))
- +# define ALIGN2 __attribute__((aligned(2)))
- +# define ALIGN4 __attribute__((aligned(4)))
- +#else
- +/* Arches which MUST have 2 or 4 byte alignment for everything are here */
- +# define ALIGN1
- +# define ALIGN2
- +# define ALIGN4
- +#endif
- +
- +
- +/* uclibc does not implement daemon() for no-mmu systems.
- + * For 0.9.29 and svn, __ARCH_USE_MMU__ indicates no-mmu reliably.
- + * For earlier versions there is no reliable way to check if we are building
- + * for a mmu-less system.
- + */
- +#if ENABLE_NOMMU || \
- + (defined __UCLIBC__ && __UCLIBC_MAJOR__ >= 0 && __UCLIBC_MINOR__ >= 9 && \
- + __UCLIBC_SUBLEVEL__ > 28 && !defined __ARCH_USE_MMU__)
- +# define BB_MMU 0
- +# define USE_FOR_NOMMU(...) __VA_ARGS__
- +# define USE_FOR_MMU(...)
- +#else
- +# define BB_MMU 1
- +# define USE_FOR_NOMMU(...)
- +# define USE_FOR_MMU(...) __VA_ARGS__
- +#endif
- +
- +/* Don't use lchown with glibc older than 2.1.x */
- +#if defined(__GLIBC__) && __GLIBC__ <= 2 && __GLIBC_MINOR__ < 1
- +# define lchown chown
- +#endif
- +
- +#if defined(__digital__) && defined(__unix__)
- +
- +# include <standards.h>
- +# include <inttypes.h>
- +# define PRIu32 "u"
- +/* use legacy setpgrp(pid_t,pid_t) for now. move to platform.c */
- +# define bb_setpgrp() do { pid_t __me = getpid(); setpgrp(__me, __me); } while (0)
- +# if !defined ADJ_OFFSET_SINGLESHOT && defined MOD_CLKA && defined MOD_OFFSET
- +# define ADJ_OFFSET_SINGLESHOT (MOD_CLKA | MOD_OFFSET)
- +# endif
- +# if !defined ADJ_FREQUENCY && defined MOD_FREQUENCY
- +# define ADJ_FREQUENCY MOD_FREQUENCY
- +# endif
- +# if !defined ADJ_TIMECONST && defined MOD_TIMECONST
- +# define ADJ_TIMECONST MOD_TIMECONST
- +# endif
- +# if !defined ADJ_TICK && defined MOD_CLKB
- +# define ADJ_TICK MOD_CLKB
- +# endif
- +
- +#else
- +
- +# define bb_setpgrp() setpgrp()
- +
- +#endif
- +
- +#if defined(__GLIBC__)
- +# define fdprintf dprintf
- +#endif
- +
- +#if defined(__dietlibc__)
- +# undef HAVE_STRCHRNUL
- +#endif
- +
- +#if defined(__WATCOMC__)
- +# undef HAVE_FDPRINTF
- +# undef HAVE_MEMRCHR
- +# undef HAVE_MKDTEMP
- +# undef HAVE_SETBIT
- +# undef HAVE_STRCASESTR
- +# undef HAVE_STRCHRNUL
- +# undef HAVE_STRSEP
- +# undef HAVE_STRSIGNAL
- +# undef HAVE_VASPRINTF
- +#endif
- +
- +#if defined(__FreeBSD__)
- +# undef HAVE_STRCHRNUL
- +#endif
- +
- +/*
- + * Now, define prototypes for all the functions defined in platform.c
- + * These must come after all the HAVE_* macros are defined (or not)
- + */
- +
- +#ifndef HAVE_FDPRINTF
- +extern int fdprintf(int fd, const char *format, ...);
- +#endif
- +
- +#ifndef HAVE_MEMRCHR
- +extern void *memrchr(const void *s, int c, size_t n) FAST_FUNC;
- +#endif
- +
- +#ifndef HAVE_MKDTEMP
- +extern char *mkdtemp(char *template) FAST_FUNC;
- +#endif
- +
- +#ifndef HAVE_SETBIT
- +# define setbit(a, b) ((a)[(b) >> 3] |= 1 << ((b) & 7))
- +# define clrbit(a, b) ((a)[(b) >> 3] &= ~(1 << ((b) & 7)))
- +#endif
- +
- +#ifndef HAVE_STRCASESTR
- +extern char *strcasestr(const char *s, const char *pattern) FAST_FUNC;
- +#endif
- +
- +#ifndef HAVE_STRCHRNUL
- +extern char *strchrnul(const char *s, int c) FAST_FUNC;
- +#endif
- +
- +#ifndef HAVE_STRSEP
- +extern char *strsep(char **stringp, const char *delim) FAST_FUNC;
- +#endif
- +
- +#ifndef HAVE_STRSIGNAL
- +/* Not exactly the same: instead of "Stopped" it shows "STOP" etc */
- +# define strsignal(sig) get_signame(sig)
- +#endif
- +
- +#ifndef HAVE_VASPRINTF
- +extern int vasprintf(char **string_ptr, const char *format, va_list p) FAST_FUNC;
- +#endif
- +
- +#endif
- diff -Nur busybox-1.17.1.orig/scripts/gen_build_files.sh busybox-1.17.1/scripts/gen_build_files.sh
- --- busybox-1.17.1.orig/scripts/gen_build_files.sh 2010-07-25 00:12:56.000000000 +0200
- +++ busybox-1.17.1/scripts/gen_build_files.sh 2010-07-28 20:13:21.000000000 +0200
- @@ -48,7 +48,7 @@
- fi
-
- # (Re)generate */Kbuild and */Config.in
- -{ cd -- "$srctree" && find -type d; } | while read -r d; do
- +{ cd -- "$srctree" && find . -type d; } | while read -r d; do
- d="${d#./}"
-
- src="$srctree/$d/Kbuild.src"
- diff -Nur busybox-1.17.1.orig/scripts/gen_build_files.sh.orig busybox-1.17.1/scripts/gen_build_files.sh.orig
- --- busybox-1.17.1.orig/scripts/gen_build_files.sh.orig 1970-01-01 01:00:00.000000000 +0100
- +++ busybox-1.17.1/scripts/gen_build_files.sh.orig 2010-07-25 00:12:56.000000000 +0200
- @@ -0,0 +1,96 @@
- +#!/bin/sh
- +
- +test $# -ge 2 || { echo "Syntax: $0 SRCTREE OBJTREE"; exit 1; }
- +
- +# cd to objtree
- +cd -- "$2" || { echo "Syntax: $0 SRCTREE OBJTREE"; exit 1; }
- +# In separate objtree build, include/ might not exist yet
- +mkdir include 2>/dev/null
- +
- +srctree="$1"
- +
- +# (Re)generate include/applets.h
- +src="$srctree/include/applets.src.h"
- +dst="include/applets.h"
- +s=`sed -n 's@^//applet:@@p' -- "$srctree"/*/*.c "$srctree"/*/*/*.c`
- +old=`cat "$dst" 2>/dev/null`
- +# Why "IFS='' read -r REPLY"??
- +# This atrocity is needed to read lines without mangling.
- +# IFS='' prevents whitespace trimming,
- +# -r suppresses backslash handling.
- +new=`echo "/* DO NOT EDIT. This file is generated from applets.src.h */"
- +while IFS='' read -r REPLY; do
- + test x"$REPLY" = x"INSERT" && REPLY="$s"
- + printf "%s\n" "$REPLY"
- +done <"$src"`
- +if test x"$new" != x"$old"; then
- + echo " GEN $dst"
- + printf "%s\n" "$new" >"$dst"
- +fi
- +
- +# (Re)generate include/usage.h
- +src="$srctree/include/usage.src.h"
- +dst="include/usage.h"
- +# We add line continuation backslash after each line,
- +# and insert empty line before each line which doesn't start
- +# with space or tab
- +# (note: we need to use \\\\ because of ``)
- +s=`sed -n -e 's@^//usage:\([ \t].*\)$@\1 \\\\@p' -e 's@^//usage:\([^ \t].*\)$@\n\1 \\\\@p' -- "$srctree"/*/*.c "$srctree"/*/*/*.c`
- +old=`cat "$dst" 2>/dev/null`
- +new=`echo "/* DO NOT EDIT. This file is generated from usage.src.h */"
- +while IFS='' read -r REPLY; do
- + test x"$REPLY" = x"INSERT" && REPLY="$s"
- + printf "%s\n" "$REPLY"
- +done <"$src"`
- +if test x"$new" != x"$old"; then
- + echo " GEN $dst"
- + printf "%s\n" "$new" >"$dst"
- +fi
- +
- +# (Re)generate */Kbuild and */Config.in
- +{ cd -- "$srctree" && find -type d; } | while read -r d; do
- + d="${d#./}"
- +
- + src="$srctree/$d/Kbuild.src"
- + dst="$d/Kbuild"
- + if test -f "$src"; then
- + mkdir -p -- "$d" 2>/dev/null
- + #echo " CHK $dst"
- +
- + s=`sed -n 's@^//kbuild:@@p' -- "$srctree/$d"/*.c`
- +
- + old=`cat "$dst" 2>/dev/null`
- + new=`echo "# DO NOT EDIT. This file is generated from Kbuild.src"
- + while IFS='' read -r REPLY; do
- + test x"$REPLY" = x"INSERT" && REPLY="$s"
- + printf "%s\n" "$REPLY"
- + done <"$src"`
- + if test x"$new" != x"$old"; then
- + echo " GEN $dst"
- + printf "%s\n" "$new" >"$dst"
- + fi
- + fi
- +
- + src="$srctree/$d/Config.src"
- + dst="$d/Config.in"
- + if test -f "$src"; then
- + mkdir -p -- "$d" 2>/dev/null
- + #echo " CHK $dst"
- +
- + s=`sed -n 's@^//config:@@p' -- "$srctree/$d"/*.c`
- +
- + old=`cat "$dst" 2>/dev/null`
- + new=`echo "# DO NOT EDIT. This file is generated from Config.src"
- + while IFS='' read -r REPLY; do
- + test x"$REPLY" = x"INSERT" && REPLY="$s"
- + printf "%s\n" "$REPLY"
- + done <"$src"`
- + if test x"$new" != x"$old"; then
- + echo " GEN $dst"
- + printf "%s\n" "$new" >"$dst"
- + fi
- + fi
- +done
- +
- +# Last read failed. This is normal. Don't exit with its error code:
- +exit 0
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