Changes since previous release:Aaro Koskinen: find: implement -emptyAlistair Francis (4): date: Use 64 prefix syscall if we have to time: Use 64 prefix syscall if we have to runsv: Use 64 prefix syscall if we have to Remove stime() function callsBiswapriyo Nath: Makefile.flags: restrict Wno-constant-logical-operand and Wno-string-plus-int options for clangBrian Foley (3): dc: execute shouldn't pop if stack head is not a string dc: Fix segfault when executing strings generated using asciify dc: Parse error & fix out of bounds read in xc_program_printStringDaniel Edgecumbe (3): gzip: default level with ENABLE_FEATURE_GZIP_LEVELS should be 6 gzip: set compression flags correctly as per standard gzip: set default compression level to 6 when CONFIG_FEATURE_GZIP_LEVELS=nDavid Demelier: wget: increase redirections limitDenys Vlasenko: build system: suppress some clang-9 warnings examples/udhcp/simple.script: up interface on deconfig event libbb: remove syscall wrappers around clock_gettime, closes 12091 libbb: clang/llvm 9 fix - do not eliminate a store to a fake "const" libbb: deal with "declaration of 'link' shadows a global declaration" warning libbb: include only if necessary ash,hush: add comment about masked SIGCHLD, handle SIG_IGNed SIGHUP as in bash ash,hush: testcase for "exit" without arguments in a trap ash: Expand here-documents in the current shell environment ash: Return without arguments in a trap should use status outside traps ash: [BUILTIN] Exit without arguments in a trap should use status outside traps ash: builtin: Mark more regular built-ins ash: eval: Add assignment built-in support again ash: eval: Always set localvar_stop ash: eval: Fail immediately with redirections errors for simple command ash: eval: Only restore exit status on exit/return ash: eval: Reap zombies after built-in commands and functions ash: eval: Replace with listsetvar with mklocal/setvareq ash: eval: Use the correct expansion mode for fd redirection ash: exec: Do not allocate stack string in padvance ash: exec: Never rehash regular built-ins ash: exec: Stricter pathopt parsing ash: expand: Do not reprocess data when expanding words ash: expand: Ensure result is escaped in cvtnum ash: expand: Fix multiple issues with EXP_DISCARD in evalvar ash: expand: Fix skipping of command substitution when trimming in evalvar ash: expand: Fix trailing newlines processing in backquote expanding ash: expand: Merge syntax/quotes in memtodest with flags ash: expand: Use HOME in tilde expansion when it is empty ash: fix BASE###nn bashism for bases 36..64 ash: fix BASE###nn bashism to accept letter 'digits' for bases > 9 ash: fix set -o to not show "nameless" options ash: jobs - Do not block when waiting on SIGCHLD ash: jobs: Only clear gotsigchld when waiting for everything ash: jobs: Replace some uses of fmtstr with stpcpy/stpncpy ash: main: Only set savestatus in exitcmd ash: main: Print \n upon EOF (CTRL-D) when run interactively ash: memalloc: Add growstackto helper ash: memalloc: Avoid looping in growstackto ash: mkinit: Split reset into exitreset and reset ash: output: Fix fmtstr return value ash: parser: Do not push token back before parseheredoc ash: parser: Fix incorrect eating of backslash newlines ash: parser: Fix old-style command substitution here-document crash ash: parser: Only accept single-digit parameter expansion outside of braces ash: parser: Save/restore here-documents in command substitution ash: rename some function parameters to match dash ash: rename stack_nputstr() back to stnputs() to match dash ash: shell: Fix clang warnings about "string plus integer" ash: use pgetc_eatbnl() in more places, take 2 hush: fix "set -o INVALID" affecting -e flag state hush: fix negative_arith.tests: glob-protect dash in "$((arith))" hush: fix preprocessor directives indentation hush: implement "return NUM in trap sets $? after trap" hush: make "exit" in trap use pre-trap exitcode hush: make "exit" in trap use pre-trap exitcode - fix for nested trap hush: restore redirected stdin awk: disallow "str"++, closes bug 12981 awk: fix more "length" cases, closes 12486 bc: fix comparison bug, closes 12336 brctl: fold show_bridge_ports into its caller dpkg-deb: work around bogus error message when working with XZ compressed packages fdisk: add HFS / HFS+ partition type fdisk: avoid overflow in "mega/gigabytes" calculation, code shrink gunzip: code shrink by using int-, not short-sized struct member gunzip: fix incorrect decoding of "fixed" inflate blocks gzip: -d with zcat enabled but gunzip disabled was misbehaving init: if tcgetattr() fails, don't even try to tcsetattr() init: improve handling of signals racing with each other nmeter: add %T (zero-based timestamp) format nmeter: do not clamp down %Nc to minimum of 10 (think nmeter "%`nproc`c") nologin: make it possible to build it as single applet ntpd: abort if argvs are (unexpectedly) given ntpd: abs(tmx.offset) was truncating a "long" typed value ntpd: add comment about mode6, no code changes ntpd: commonalize message strings ntpd: decrease MIN_FREQHOLD by 2, increase "penalty" for largish offset x2 pidof: support "pidof /path/to/binary" case readlink,realpath: fix a case with a symplink, closes 11021 stat: print nanosecond times, fix printing of empty lines sysctl: do report EACCES errors on write tar: change -a from meaning "lzma" to mean "autodetect by extension" taskset: add support for taking/printing CPU list (-c option) taskset: implement stride argument taskset: tighten the check for stride values tc: array address is never NULL tee: do not intercept SIGPIPE telnet: add disabled code to emit EC and IP telnet: fix uninitialized variable bug tftp: on download, open local file only when first bit of data arrived tftpd: show requested file name in open error message top: do not use previous collected data wheh "h" toggles threads display udhcp: comment out unused domain compression code udhcpc6: add ELAPSED_TIME option to outgoing packets udhcpc6: s/iphdr/ip6_hdr/ udhcpd: mangle hostnames starting with dash ("-option") whois: limit total length of response to 32+2 kbDimitri John Ledkov: wget: implement TLS verification with ENABLE_FEATURE_WGET_OPENSSLEivind Versvik: udhcpc6: support stateless DHCPv6Gray Wolf: grep: Fix -f FILE when FILE is empty and -x providedJames Byrne (2): libbb: reduce the overhead of single parameter bb_error_msg() calls config: PID_FILE_PATH required for FEATURE_CROND_SPECIAL_TIMESJean-Philippe Brucker: build system: remove KBUILD_STR()Jo-Philipp Wich (2): nslookup: handle replies without RRs nslookup: implement support for SRV recordsKaarle Ritvanen: ln: --no-target-directory implies --no-dereferenceKang-Che Sung: bc: Add 'U' suffix in UINT_MAX preprocessor checkLauri Kasanen: unzip: -d should create the dirLiu, Shuang (ADITG/ESM): chgrp: correct the usage for non-desktop chgrp callsLukas Rusak: free: include SReclaimable in cached valueMark Edgar: unexpand: correct behavior for --first-only --tabs=4Martin Lewis (8): libbb: Converted safe_read to safe_write format replace: count_strstr - Handle an edge case where sub is empty xstrndup: Use strndup instead of implementing it brctl: add support for showmacs command brctl: add support for showstp command dhcpc.c: Added support for relay server parameter dhcpc: code shrink in good_hostname dhcpc: refactor xmalloc_optname_optval to shrink binary sizeMichal Kazior: udhcpc: fix segmentation fault on empty bin optPeter Korsgaard: syslogd: add config option to include milliseconds in timestampsRolf Eike Beer: examples/udhcp/simple.script: print the filename actually changedRon Yorston (13): mim: new applet: run scripts from a specification file ash,hush: allow builtins to be tab-completed, closes 7532 ash,hush: drop pointer check before calls to show_history ash: fix build failure when command built-in is disabled ash: only catch unexpected exceptions in PS1 expansion ash: improve expandstr() ash: return exit status of nofork applets (again) ash: move TRACE statement in evalcommand() httpd: permit non-default home directory with NOMMU enabled httpd: allow '-h' to work when daemonized with NOMMU enabled vi: fixes to string search in colon commands, closes 10321 xargs: fix handling of quoted arguments, closes 11441 xargs: restore correct behaviour of -n optionStefan Agner: examples/udhcp/simple.script: fix IPv6 support when using udhcpcSÃren Tempel (2): grep: add proper support for pattern_list deluser: check if specified home is a directory before removing itTomas Paukrt: route: fix output of "route -n -A inet6"Tomi Leppanen: grep: add -RUwe Glaeser: udhcpc6: use correct multicast MAC
Changes since previous release:Avi Fishman: i2cset: fix 'i' & 's' modes (3 extra bytes were sent)Avi Halachmi: lineedit: improve multiline PS1 - redraw using last PS1 line. Closes 10381Bartosz Golaszewski: i2c-tools: remove unneeded include i2c-tools: don't include linux/i2c-dev.hDenys Vlasenko: stop using atexit in non-debug build: saves 260 bytes in bss with musl use %m printf specifier where appropriate standalone shell / prefer_applets: fix "exe" in comm fields change BB_EXTRA_VERSION: now it needs to contain any spaces/parenthesis regularize format of source file headers, no code changes move get_unaligned_le32() macros to platform.h sparc: needs -fPIC config: deindent all help texts config: FEDORA_COMPAT option (so far only tweaks uname) config: merge "Busybox Settings" and "Busybox Library Tuning" into one menu config: more tweaking of help texts config: reorder items in "Busybox Settings", improve help config: trim/improve item names and help texts build system: FEATURE_LIBBUSYBOX_STATIC - try to pull libc/libm into libbusybox build system: fix "allnoconfig" to clear all options. Closes 10296 build system: remove unused CONFIG_FEATURE_HAVE_RPC libarchive: do not extract unsafe symlinks unless $EXTRACT_UNSAFE_SYMLINKS=1 libarchive: FEATURE_LZMA_FAST should be visible if FEATURE_SEAMLESS_LZMA libbb: avoid malloc/free in bb_unsetenv() libbb: do not die if setgid/setuid(real_id) on startup fails libbb/dump: allow skipping over stdin too libbb/dump: fix a few broken commits and shrink code libbb: hide getnetbyaddr() inside "#if ENABLE_FEATURE_ETC_NETWORKS" block libbb: make trim() return pointer to terminating NUL libbb: move capability names code to libbb libbb: new function bb_getgroups() - allocating wrapper around getgroups() libbb: safe_write should not return EINTR libbb: use _exit, not exit, in bb_daemonize_or_rexec() libbb: rearrange NOFORK/NOEXEC code, logic is not changed libbb: simplify NOFORK/NOEXEC defines, move set_task_comm to libbb lineedit: do not tab-complete any strings which have control characters lineedit: get terminal width before printing prompt lineedit: make read_line_input() not take timeout param main: fix the case where user has "halt" as login shell. Closes 9986 networking/interface.c: remove superfluous "& 0377" noexec: consolidate code noexec: do GETOPT_RESET() before entering APPLET_main() noexec: set comm field for noexecs nofork: fix a bug uncovered by hush testsuite (forgotten fflush) adjtimex,blkdiscard,free: make it NOFORK clear,nproc,tty,uname,arch,unlink,which: make them NOFORK pwdx,pivot_root,kill[all5],ttysize,realpath,readlink: make them NOFORK add/remove-shell,add/deluser,add/delgroup: make them NOEXEC make 17 state-changing execing applets (ex: "nice PROG ARGS") NOEXEC blkid: make it NOEXEC, make FEATURE_BLKID_TYPE=y default blockdev,fsfreeze,fstrim,mountpoint: make them NOEXEC brctl,chattr,lsattr,tune2fs: make them NOEXEC chvt,deallocvt,dumpkmap,fgconsole,loadkmap: make them NOEXEC cryptpw,mkpasswd: make them NOEXEC df,dnsdomainname,hostname,dumpleases,expr,fatattr: make them NOEXEC freeramdisk,free,stat,getopt,ifenslave,ipcalc,rdev,ipcrm,ipcs: make them NOEXEC ip,ip*: make them NOEXEC kbd_more: make it NOEXEC, remove redundant opt clearing loadfont,setfont,losetup,lspci,lsscsi,lsusb: make them NOEXEC makedevs,mesg,mktemp,nameif: make ithem NOEXEC modutils: make them NOEXEC except depmod nbd-client: make it NOEXEC, stop using argc date,resize,partprobe,ps,pstree,raidautorun,runlevel,setconsole: make them NOEXEC setkeycodes: make it NOEXEC, better --help text setlogcons: make it NOEXEC, better --help text setserial,stty,sv,svc,sysctl,tunctl,umount: make them NOEXEC users,w,who,uptime,renice,vconfig: make them NOEXEC adjtimex: zero-fill whole structure, to be on the safe side arch: new applet (same as uname -m). 30 bytes ash: align --login code with dash ash: alloc slightly smaller buffer in cvtnum(); faster unsetvar() ash: allow "trap NUM d0d94e66b7..." syntax ash: implement BASH_XTRACEFD bashism ash: do not set a signal to SIG_DFL if it already is ash: fix display of ">&-" redirect in job strings ash: fix matching of unicode greek letter rho (cf 81) and similar cases ash: note which versions of glibc exhibit "rho bug" ash: fix nofork bug where environment is not properly passed to a command ash: fix redir_leak.tests if STANDALONE=y ash: fix "unset OPTIND" throwing an error message ash: force inlining of a trivial function ash: if !ENABLE_ASH_EXPAND_PRMT, disable PSSYNTAX code ash: improve set -x to quote strings as necessary ash: INT_OFF/INT_ON around run_nofork_applet() ash: less hackish implementation of evaltreenr() ash: make tryexec(cmd) parameter const char ash: more general format $var:EXPR:EXPR ash: more s/error/perror/ for better error reporting ash: one "current line = 1" might be missing, fix that ash: [PARSER] Add FAKEEOFMARK for expandstr ash: [PARSER] Catch variable length expansions on non-existant specials ash: [PARSER] Removed noexpand/length check on eofmark ash: [REDIR] Fix popredir on abnormal exit from built-in ash: [REDIR] Replace GPL noclobberopen code with the FreeBSD version ash: remove REDIR_SAVEFD2 ash: retain envvars with bad names in initial environment. Closes 10231 ash: revert previous implementation of "A=1 A=2 B=$A cmd" code ash: [SHELL] Optimize dash -c "command" to avoid a fork ash: significant overhaul of redirect saving logic ash: stage backported LINENO support as a separate patch ash: survive failures in $PS1 expansion. Closes 10371 ash: sync up with dash with respect to redirection escaping ash: unset OPTARG if getopts exits 1, support OPTERR=0 behavior ash: use mempcpy() where appropriate ash: [VAR] Add localvars nesting ash: [VAR] Do not poplocalvars prematurely on regular utilities ash: [VAR] Fix loss of variables when hash collides ash: [VAR] Fix poplocalvar leak ash: [VAR] Fix poplocalvar on abnormal exit from function ash: [VAR] Move unsetvar functionality into setvareq ash: [VAR] Replace cmdenviron with localvars ash,hush: ">&10" redirects to script/tty fds should not work hush: add a test which fails due to uclibc bug in getopt() hush: add support for "set -e" hush: add TODO for "set -e" hush: convert exp/ro/local parameters to bitfields in one flag param hush: correctly handle quoting in "case" even if !BASH_PATTERN_SUBST hush: do not accept "if() echo; " function def hush: do not assign to readonly VAR in "VAR=VAL CMD" syntax too hush: explain why wait5.tests is failing hush: fix a case when redirect to a closed fd #1 is not restoring (closing) it hush: fix and_or_and_backgrounding.tests failure hush: fix "cmd1 && cmd2 &" handling on NOMMU hush: fix comment parsing in `cmd`, closes 10421 hush: fix $##, $#?, $#! handling hush: fix handling of empty heredoc EOF marker hush: fix quoted_punct.tests failure hush: fix readonly2.tests failure hush: fix redirect code (was using uninitialized variables) hush: fix "(sleep 1; exit 3) & sleep 2; echo $?; wait $!; echo $?" hush: fix "true func_with_return" not allowing return hush: fix two redirection testcase failures hush: forgot to emit error on (failing) second "readonly VAR=VAL" hush: functions have priority over builtins (!) hush: implement "getopts" builtin hush: implement "readonly" builtin hush: implement "times" builtin hush: implement -d DELIM option for "read" hush: make SIGINT handling visually less confusing hush: make "wait %1" work even if the job is dead hush: massage redirect code to be slightly more like ash hush: print error messages on "shift -1" hush: remove redundant "G_flag_return_in_progress = -1" hush: remove superfluous comparison hush: rename a few functions hush: simplify insert_job_into_table() a bit hush: support $VAR:N:-M hush: treat $#? as "length of $?" hush: use mempcpy where useful hush: if STANDALONE, close interactive fd for NOEXECed children msh: delete this applet shell: improve comments on signal handling shell: add OPTARG poisoning to getopt_optarg.tests shell: and_or_and_backgrounding.tests is no longer "UNFIXED BUG" shell: make standalone shell tab-complete "busybox" shell: more efficient check for EOL in read shell: optional support for read -t N.NNN, closes 10101 awk: stop on first non-option, closes 9861 basename: do not use argc beep: disallow FEATURE_BEEP_FREQ = 0 in configuration blkdiscard: provide our own BLK[SEC]DISCARD if necessary bunzip2: fix runCnt overflow from bug 10431 bzcat: compile bunzip2_main() if BZCAT bzcat,zcat: simplify code if gunzip/bunzip2 is not selected cat: fix "cat -An" ignoring -n; make numbering go througn all files chat: do not die when HANGUP param is missing. Closes 10016 chattr: fix option parsing to accept more cryptic option combos chown: fix a mistake in opt_complementary change crond: allow $SHELL and starting user's shell override DEFAULT_SHELL. Closes 6458 crond: do not assume setenv() does not leak crond: support @daily etc date: maybe_set_utc only once dd: fix status=none. Closes 10066 ed: fix --help and reorder functions, no code changes ed: fix "\n" removal in command line; make "w" set "dirty = 0" free: no longer include common_bufsiz.h getopt32: factor out code to treat all args as options getopt32: move support for "always treat first arg as option" to users (tar/ar) getopt32: remove applet_long_options getopt32: remove opt_complementary hexedit: new applet httpd: fix handling of range requests httpd: skip "Status: " from CGI, including space. Closes 10291 inetd: fix for running by non-root inetd,mount: do not die if uclibc without RPC is detected init: reduce the window when init can lose reboot/poweroff signals ipcalc: trim help text ipcs: tweak output orer to match util-linux 2.28 kbd_mode: show "off" mode too kbd_mode: try harder to find console device if -C TTY is not given klibc-utils: add ipconfig.c work-in-progress klibc-utils: new applets: resume, nuke, minips makedevs: allow much longer filenames microcom: require exactly one non-option netcat: net applet (alias to nc) ntpd: do run the script at least once in 11 minutes ntpd: improve treatment of DNS resolution failures ntpd: mention in help text that -d can be repeated ntpd: perform DNS resolution out of send/receive loop. Closes 10466 ntpd: skip over setting next DNS resolution attempt if it is not needed pgrep: fix "pgrep -v -P1"; also allow matching of comm. Closes 10086 ping: better config help text for FEATURE_FANCY_PING ping: fix help text to show what parameter -p takes pmap: tweak help text, show usage if no params are given ps: implement -o sid ps: improve TIME column for large times: showing "14453:50" is not good ps: stop using AT_CLKTCK, there are more standard ways readprofile: do not close/