diff options
| -rw-r--r-- | package/busybox/patches/005-bsd-compat.patch | 2295 | ||||
| -rwxr-xr-x | scripts/cpio | 2 |
2 files changed, 2293 insertions, 4 deletions
diff --git a/package/busybox/patches/005-bsd-compat.patch b/package/busybox/patches/005-bsd-compat.patch index c6b86e20d..9ec8d5d29 100644 --- a/package/busybox/patches/005-bsd-compat.patch +++ b/package/busybox/patches/005-bsd-compat.patch @@ -1,6 +1,6 @@ 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 2010-07-26 13:42:48.000000000 +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> @@ -17,9 +17,1769 @@ diff -Nur busybox-1.17.1.orig/include/libbb.h busybox-1.17.1/include/libbb.h #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()). < |