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2017-01-08hush: conditionalize print_escaped() on EXPORT || TRAPDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-08hush: make memleak builtin optionalDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-08hush: make export builtin optionalDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-08hush: make umask builtin optionalDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-08hush: make set/unset builtins optionalDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-08hush: make read and trap builtins optionalDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-08hush: kill builtin and kill %jobspec supportDenys Vlasenko
Also made it and printf, type and wait builtins optional. function old new delta builtin_kill - 323 +323 bltins1 336 348 +12 builtin_type 114 116 +2 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 2/0 up/down: 337/0) Total: 337 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-08hush: support %%, %+ and % jobspec (meaning "current job")Denys Vlasenko
function old new delta parse_jobspec 83 133 +50 builtin_wait 278 283 +5 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-08httpd: fix address family for reverse proxy client socketLaurent Bercot
When httpd proxies a request to another server, it first creates an AF_INET socket, then resolves the server name to a sockaddr, then connects to it. This fails if the server name resolves to an IPv6 address. This patch ensures that the socket is created with the correct address family (AF_INET6 if the server resolves to an IPv6 address and AF_INET otherwise). Signed-off-by: Laurent Bercot <ska-dietlibc@skarnet.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-08build system: no longer prompt for PLATFORM_LINUX optionKang-Che Sung
With the new "select PLATFORM_LINUX" mechanism (commit e3b1a1fd28558f7a1b3c0ec33313bedb675be8a1), the PLATFORM_LINUX option alone no longer has any purpose of changing program behavior or affecting compiled code. So there is no longer need to prompt user of this config question. Signed-off-by: Kang-Che Sung <explorer09@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-08bunzip2: fix code bloat caused by zcat's seamless magicKang-Che Sung
This example single-applet configuration would trigger the bloat: CONFIG_FEATURE_SEAMLESS_XZ=y CONFIG_FEATURE_SEAMLESS_LZMA=y CONFIG_FEATURE_SEAMLESS_BZ2=y CONFIG_FEATURE_SEAMLESS_GZ=y CONFIG_BUNZIP2=y # CONFIG_ZCAT is not set # All other applets disabled Here, the resulting "busybox-bunzip2" binary would contain unpack_gz_stream, unpack_lzma_stream and unpack_xz_stream functions code. In other words, the gzip, lzma and xz decompressors' code are linked into the binary unnecessarily. This happens because SEAMLESS_MAGIC != 0 and compiler is unable to figure out that SEAMLESS_MAGIC bit is never set. Fix this by disabling SEAMLESS_MAGIC option flag (setting its value to 0) when zcat is disabled. This will help the compiler optimize out bbunpack() and no longer generate open_zipped() function call. Signed-off-by: Kang-Che Sung <explorer09@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-08ash: fix "kill %1" not working if CONFIG_ASH is disabledKang-Che Sung
ix ash "kill %1" not working if CONFIG_ASH is disabled but ash is launched by 'sh' or 'bash' name Signed-off-by: Kang-Che Sung <explorer09@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-08unzip: do not use CDF.extra_len, read local file header. Closes 9536Denys Vlasenko
While at it, shorten many field and variable names. function old new delta unzip_main 2334 2376 +42 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-07ash: fix open fds leaking in redirects. Closes 9561Denys Vlasenko
commit e19923f6652a638ac39c84012e97f52cf5a7568e deleted clearredir() call in shellexec(): ash: [REDIR] Remove redundant CLOEXEC calls Upstream commit: Now that we're marking file descriptors as CLOEXEC in savefd, we no longer need to close them on exec or in setinputfd. but it missed one place where we don't set CLOEXEC. Fixing this. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-06Automatically disable FEATURE_COMPRESS_USAGE for small builds.Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-06ash: explicltly group ash optionsKang-Che Sung
This would makes all ash options indented inside "ash" in menuconfig. It appears that menuconfig has a limit at tracking multiple dependency lines like this (it looks like a "diamond problem" but I'm not sure if it is): ---ASH <---------- / \ ASH_OPTIMIZE_FOR_SIZE !NOMMU <-*----SH_IS_ASH <----[OR] <--ASH_INTERNAL_GLOB \ / ASH_RANDOM_SUPPORT ---BASH_IS_ASH <-- [...] The kconfig-language document [1] states that: > If a menu entry somehow depends on the previous entry, it can be > made a submenu of it. First, the previous (parent) symbol must be > part of the dependency list and then one of these two conditions > must be true: > - the child entry must become invisible, if the parent is set to 'n' [BusyBox ash used to satisfy this, but no longer does] > - the child entry must only be visible, if the parent is visible [BusyBox ash configs actually satisfy this, but because of "diamond" above this might not be easily detected] So I found out a direct workaround: by making ash options explicitly depend on !NOMMU, we can tell menuconfig that rule 2 above is satisfied without any more tracking. --------------------- / \ !NOMMU <-*-----ASH <-------- \ \ \ \ ASH_OPTIMIZE_FOR_SIZE *---SH_IS_ASH <---[OR]-[AND] <--ASH_INTERNAL_GLOB \ / ASH_RANDOM_SUPPORT --BASH_IS_ASH <- [...] So all ash options would now be indented under "ash". [1] "Documentation/kbuild/kconfig-language.txt" in Linux kernel source Signed-off-by: Kang-Che Sung <explorer09@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-06ntpd: improve postponed hostname resolutionNatanael Copa
Run the namelookup from the main loop so a misspelled first ntp server name does not block everything forever. This fixes the following situation which would block forever: $ sudo ./busybox ntpd -dn -p foobar -p pool.ntp.org ntpd: bad address 'foobar' ntpd: bad address 'foobar' ntpd: bad address 'foobar' ... New behavior: ntpd: bad address 'foobar' ntpd: sending query to 137.190.2.4 ntpd: reply from 137.190.2.4: offset:-1.009775 delay:0.175550 status:0x24 strat:1 refid:0x00535047 rootdelay:0.000000 reach:0x01 ntpd: sending query to 137.190.2.4 ntpd: reply from 137.190.2.4: offset:-1.009605 delay:0.175461 status:0x24 strat:1 refid:0x00535047 rootdelay:0.000000 reach:0x03 ntpd: sending query to 137.190.2.4 ntpd: reply from 137.190.2.4: offset:-1.005327 delay:0.167027 status:0x24 strat:1 refid:0x00535047 rootdelay:0.000000 reach:0x07 ntpd: sending query to 137.190.2.4 ntpd: bad address 'foobar' ntpd: reply from 137.190.2.4: offset:-1.046349 delay:0.248705 status:0x24 strat:1 refid:0x00535047 rootdelay:0.000000 reach:0x0f This patch is based on Kaarle Ritvanens work. http://lists.busybox.net/pipermail/busybox/2016-May/084197.html function old new delta ntpd_main 1061 1079 +18 ntp_init 556 560 +4 resolve_peer_hostname 81 75 -6 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/1 up/down: 22/-6) Total: 16 bytes Signed-off-by: Kaarle Ritvanen <kaarle.ritvanen@datakunkku.fi> Signed-off-by: Natanael Copa <ncopa@alpinelinux.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-05unzip: remove now-pointless lseek which returns current positionCristian Ionescu-Idbohrn
archival/unzip.c: In function 'read_next_cdf': archival/unzip.c:271:8: warning: variable 'org' set but not used [-Wunused-but-set-variable] off_t org; ^~~ Signed-off-by: Cristian Ionescu-Idbohrn <cristian.ionescu-idbohrn@axis.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-05typo fix in config help textDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-05unzip: properly use CDF to find compressed files. Closes 9536Denys Vlasenko
function old new delta unzip_main 2437 2350 -87 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-04modutils: remove special handling of uClibcWaldemar Brodkorb
Commit 3a45b87ac36f (modutils: support finit_module syscall) introduced macro finit_module. But it is not defined for uClibc. The compilation for busybox fails for MIPS with: With uClibc, we get following build errors: modutils/lib.a(modutils.o): In function `bb_init_module': modutils.c:(.text.bb_init_module+0x94): undefined reference to `finit_module' modutils.c:(.text.bb_init_module+0xa0): undefined reference to `finit_module' We can just use syscall() without any need for the uClibc wrappers. Newer versions of uClibc-ng (>1.0.20) will remove the module syscall wrappers. Found via Buildroot autobuilders: http://autobuild.buildroot.net/results/556/55655daef23788fb3967f801ec8b79e9bed7122b/build-end.log function old new delta bb_delete_module 26 32 +6 bb_init_module 90 95 +5 delete_module 37 - -37 init_module 53 - -53 ------------------------------------------------------------------------------ (add/remove: 0/4 grow/shrink: 2/0 up/down: 11/-90) Total: -79 bytes Reported-by: Rahul Bedarkar <rahul.bedarkar@imgtec.com> Signed-off-by: Waldemar Brodkorb <wbx@openadk.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-04shell: clarify help text of CONFIG_{SH,BASH}_IS_* optionsKang-Che Sung
Mention the behavior if user selects CONFIG_SH_IS_ASH but not CONFIG_ASH. We will be explicit that invocations like "busybox ash" will not work for such configuration. Also clarify help text of CONFIG_BASH_IS_* that bash compatibility in ash is not complete. (It shouldn't be anyway - ash can't support every bash quirk out there.) Signed-off-by: Kang-Che Sung <explorer09@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-04udhcp: tweak config order and menu item namesDenys Vlasenko
All other applets are listed simply by their name, no reason why dumpleases doesn't do that. Group all udhcpd feature options directly after it. Put "NOT READY" into udhcpc6 item (some users actually tried to use it, and complained). Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-03Fix dependency for IFUPDOWN_UDHCPC_CMD_OPTIONSJörg Krause
Commit a8c696bf09d8151323f6e99348c4bc8989f829c8 makes ifup and ifdown individually selectable, but forgets to update the dependency to IFUPDOWN_UDHCPC_CMD_OPTIONS, so it is not selectable anymore. This patch fixes the dependency by checking for IFUP or IFDOWN, instead of the obsolete IFUPDOWN. Also, it drops dependency on UDHCPC: udhcpc on the target system does not have to come from the _same_ binary. Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-03README_distro_proposal.txt: typo fixesTito Ragusa
Signed-off-by: Tito Ragusa <farmatito@tiscali.it> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-03appletlib: avoid warning on unused function ingroupCristian Ionescu-Idbohrn
libbb/appletlib.c:558:12: warning: 'ingroup' defined but not used [-Wunused-function] static int ingroup(uid_t u, gid_t g) ^~~~~~~ That function is used only if FEATURE_SUID_CONFIG is also enabled. Signed-off-by: Cristian Ionescu-Idbohrn <cristian.ionescu-idbohrn@axis.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-03hush: correct exitcode for unterminated ')' - exitcode2.tests testcaseDenys Vlasenko
function old new delta parse_stream 2595 2609 +14 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-03ash: fix error code regressionRon Yorston
The commit 'ash,hush: set exit code 127 in "sh /does/not/exist" case' only partly implemented the dash commit '[ERROR] Allow the originator of EXERROR to set the exit status'. This resulted in incorrect error codes for a syntax error: $ ) $ echo $? 0 or a redirection error for a special builtin: $ rm -f xxx $ eval cat <xxx $ echo $? 0 Signed-off-by: Ron Yorston <rmy@pobox.com> Reported-by: Martijn Dekker <martijn@inlv.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-02qemu_multiarch_testing: small improvementsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-02tcpudp: define SO_ORIGINAL_DST directly, not via includeDenys Vlasenko
musl does not like including linux/netfilter_ipv4.h (enum / #define collision in two headers, resulting in "3 = 3" type situation in enum definition). Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-01depmod: don't build it if MODPROBE_SMALL=yDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-12-25Update to examples/var_service/README_distro_proposal.txtDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-12-23make_single_applets.sh: SH_IS_HUSH needs special handling tooDenys Vlasenko
Well, in fact it works (make oldconfig throws only a warning when it sees both SH_IS_HUSH=y and SH_IS_NONE=y), but let's be nice. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-12-23Make it possible to select "sh" and "bash" aliases without selecting ash or hushDenys Vlasenko
The same can be done for msh, but we are probably better off just deleting it in a next versio or two. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-12-23Make RMMOD=y by defaultDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-12-23Make INSMOD=y by defaultDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-12-23Remove FEATURE_IFUPDOWN_IP_BUILTIN and FEATURE_IFUPDOWN_IFCONFIG_BUILTINDenys Vlasenko
They merely enable ip or ifconfig/route. There is already a way to do this on the same menuconfig page. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-12-23modprobe-small: make applets individually selectableDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-12-23Make DPKG=y and DPKG_DEB=y by defaultDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-12-23Selinux complains about deprecated selinux/flask.h, stop including itDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-12-23Make FEATURE_USERNAME_COMPLETION=y by defaultDenys Vlasenko
This matches bash behavior on Fedora Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-12-23make_single_applets.sh: a tool to check single-applet buildsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-12-23fix breakage found by mass one-applet buildsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-12-22ip: make ip aliases individually selectableDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-12-22Make POST upload example script easier to useDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-12-22shell: move "config" blocks above their use in coditional includesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-12-22Update information on building httpd and wget helpersDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-12-22Tweak some config defaults; fix MODPROBE_SMALL ordering in "make config"Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-12-21ash: clarify uclibc glob() bug in commentDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-12-21ash: error out if ASH_INTERNAL_GLOB is not selected on uClibcDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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