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* kernel: Fix KERNEL_STACKPROTECTOR on kernel 4.19Hauke Mehrtens2018-12-261-0/+8
| | | | | | | | | | | | The configuration option was renamed with kernel 4.19 from CONFIG_CC_STACKPROTECTOR to CONFIG_STACKPROTECTOR adapt the code to set both options. CONFIG_STACKPROTECTOR now sets the regular stack protector and CONFIG_STACKPROTECTOR_STRONG activates the additional protection of more functions. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* build: cleanup SSP_SUPPORT configure optionJulien Dusser2018-01-271-2/+2
| | | | | | | | | | | | | | | | | | Configure variable SSP_SUPPORT is ambiguous for packages (tor, openssh, avahi, freeswitch). It means 'toolchain supporting SSP', but for toolchain and depends it means 'build gcc with libssp'. Musl no longer uses libssp (1877bc9d8f), it has internal support, so SSP_SUPPORT was disabled leading some package to not use SSP. No information why Glibc and uClibc use libssp, but they may also provide their own SSP support. uClibc used it own with commit 933b588e25 but it was reverted in f3cacb9e84 without details. Create an new configure GCC_LIBSSP and automatically enable SSP_SUPPORT if either USE_MUSL or GCC_LIBSSP. Signed-off-by: Julien Dusser <julien.dusser@free.fr>
* build: add hardened builds with PIE (ASLR) supportJulien Dusser2018-01-271-0/+16
| | | | | | | | | | | | | | | | | | Introduce a configuration option to build a "hardened" OpenWrt with ASLR PIE support. Add new option PKG_ASLR_PIE to enable Address Space Layout Randomization (ASLR) by building Position Independent Executables (PIE). This new option protects against "return-to-text" attacks. Busybox need a special care, link is done with ld, not gcc, leading to unknown flags. Set BUSYBOX_DEFAULT_PIE instead and disable PKG_ASLR_PIE. If other failing packages were found, PKG_ASLR_PIE:=0 should be added to their Makefiles. Original Work by: Yongkui Han <yonhan@cisco.com> Signed-off-by: Julien Dusser <julien.dusser@free.fr>
* build: disable BUILD_PATENTED by defaultYousong Zhou2018-01-261-1/+1
| | | | | | | | This is mainly for legal considerations and not promoting the usage of and no redistribution of binaries of patented technologies seems to be also the established practice in other linux distros. Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
* config: make CONFIG_ALL_* select other CONIFG_ALL_* optionsHauke Mehrtens2017-08-261-3/+4
| | | | | | | | | | | | | Select the other CONFIG_ALL_* options in the hierarchy when the master option is selected. Currently CONFIG_ALL_KMODS is not selected when the build bot selects CONFIG_ALL_NONSHARED for example. Now the rtc kmods should get build when CONFIG_ALL_KMODS, CONFIG_ALL_NONSHARED or CONFIG_ALL and CONFIG_RTC_SUPPORT are selected like it is done by the build bots for targets with rtc support. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Acked-by: Jo-Philipp Wich <jo@mein.io>
* kernel: Hide kernel options behind a menuFlorian Fainelli2017-05-261-1/+3
| | | | | | | | We are starting to add more and more kernel configurable options, to the point where the Global build options menu is not really usable anymore, hide all kernel-related configuration options behind a menu. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
* build: add devel option to store build config in firmwareVitaly Chekryzhev2017-03-181-0/+6
| | | | | | Store config.seed in firmware /etc/build.config Signed-off-by: Vitaly Chekryzhev <13hakta@gmail.com>
* build: add buildbot specific config option for setting defaultsFelix Fietkau2017-02-141-2/+12
| | | | | | | | | | This can be used to tweak the buildbot behavior without having to change buildbot's configuration. It will also allow us to add more aggressive clean steps (e.g. on toolchain changes), which would break developers' workflows if enable by default. Signed-off-by: Felix Fietkau <nbd@nbd.name>
* build: remove obsolete parallel build related optionsFelix Fietkau2017-01-101-53/+0
| | | | | | Always use the main make jobserver, which has been the default for ages Signed-off-by: Felix Fietkau <nbd@nbd.name>
* config: enable shadow passwords unconditionallyMatthias Schiffer2016-09-261-3/+0
| | | | | | | | | | | | | Configurations without shadow passwords have been broken since the removal of telnet: as the default entry in /etc/passwd is not empty (but rather unset), there will be no way to log onto such a system by default. As disabling shadow passwords is not useful anyways, remove this configuration option. The config symbol is kept (for a while), as packages from feeds depend on it. Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
* toolchain: get rid of GCC_VERSION_5 config symbolFelix Fietkau2016-07-151-2/+2
| | | | | | Replace it with !GCC_VERSION_4_8 to be more future compatible Signed-off-by: Felix Fietkau <nbd@nbd.name>
* global: introduce ALL_NONSHARED symbolJo-Philipp Wich2016-04-131-0/+5
| | | | | | | | Introduce a new symbol ALL_NONSHARED which selects all non-sharable packages by default. This option is mainly intented for buildbot setups to build the target dependant software subset only. Signed-off-by: Jo-Philipp Wich <jo@mein.io>
* build: do not deselect CONFIG_USE_SSTRIP if CONFIG_DEBUG is enabledFelix Fietkau2016-01-261-2/+1
| | | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 48504
* build: use sstrip by default for muslFelix Fietkau2016-01-181-1/+1
| | | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 48313
* linux: make IPv6 builtin if selected (saves >30KB)Steven Barth2015-09-091-1/+1
| | | | | | Signed-off-by: Steven Barth <steven@midlink.org> SVN-Revision: 46834
* gcc: remove version 4.9-linaroFelix Fietkau2015-09-061-2/+2
| | | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 46798
* enable strong SSP / Stackprotector on gcc5Steven Barth2015-08-181-2/+2
| | | | | | Signed-off-by: Dirk Neukirchen <dirkneukirchen@web.de> SVN-Revision: 46685
* build: disable kernel stack protector support for i386/x86_64Felix Fietkau2015-08-021-0/+1
| | | | | | | | | | | | When stack protector support is disabled in libc (always the case for !musl), gcc assumes that it needs to use __stack_chk_guard for the stack canary. This causes kernel build errors, because the kernel is only set up to handle TLS stack canaries. Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 46543
* hardening: disable user-space SSP for !muslSteven Barth2015-06-291-0/+1
| | | | | | Signed-off-by: Steven Barth <steven@midlink.org> SVN-Revision: 46146
* toolchain: add fortify-headers, enable FORTIFY_SOURCE by defaultSteven Barth2015-06-231-0/+1
| | | | | | Signed-off-by: Steven Barth <steven@midlink.org> SVN-Revision: 46117
* gcc/musl: rework SSP-supportSteven Barth2015-06-221-2/+2
| | | | | | | | | | | Make musl provide libssp_nonshared.a and make GCC link it unconditionally if musl is used. This should be a no-op if SSP is disabled and seems to be the only reliable way of dealing with SSP over all packages due to the mess that is linkerflags handling in packages. Signed-off-by: Steven Barth <steven@midlink.org> SVN-Revision: 46108
* hardening: enable regular SSP support by defaultSteven Barth2015-06-171-2/+2
| | | | | | Signed-off-by: Steven Barth <steven@midlink.org> SVN-Revision: 46020
* hardening: enable RELRO by defaultSteven Barth2015-06-161-0/+1
| | | | | | Signed-off-by: Steven Barth <steven@midlink.org> SVN-Revision: 46004
* hardening: enable format security checking by defaultSteven Barth2015-06-161-1/+1
| | | | | | Signed-off-by: Steven Barth <steven@midlink.org> SVN-Revision: 46003
* build: enable package list signing by defaultFelix Fietkau2015-05-051-0/+1
| | | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 45614
* build: add integration for managing opkg package feed keysFelix Fietkau2015-04-061-0/+3
| | | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 45286
* buildroot: make it easier to build all kmodsJonas Gorski2015-03-161-1/+5
| | | | | | | | | Split out kmods from ALL to make it easier to create local builds that are compatible kmod-wise with releases. Signed-off-by: Jonas Gorski <jogo@openwrt.org> SVN-Revision: 44830
* toolchain: The glorious return of glibc, ver 2.21John Crispin2015-03-121-3/+2
| | | | | | | | | | | It's the eglibc packaging with a bit of spit-polishing. And testing. :-) [blogic: merged glibc and eglibc into 1 and made eglibc a glibc variant] Signed-off-by: Jeff Waugh <jdub@bethesignal.org> Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 44701
* config: remove CONFIG_BUILD_STATIC_TOOLSJo-Philipp Wich2015-02-061-8/+0
| | | | | | Signed-off-by: Jo-Philipp Wich <jow@openwrt.org> SVN-Revision: 44287
* config: fix typo in Global build settings menuNicolas Thill2015-02-051-2/+2
| | | | | | Signed-off-by: Nicolas Thill <nico@openwrt.org> SVN-Revision: 44258
* config: fix typo in Global build settings menuJohn Crispin2015-01-281-1/+1
| | | | | | Signed-off-by: Daniel Golle <daniel@makrotopia.org> SVN-Revision: 44163
* Support for building an hardened OpenWRTJohn Crispin2015-01-171-9/+79
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Introduce configuration options to build an "hardened" OpenWRT. Options to enable Stack-Smashing Protection, FORTIFY_SOURCE and RELRO have been introduced. uClibc makefile now automatically detects if SSP support is necessary. hostapd makefile has been fixed to use "^" as sed separator since using a comma was problematic when using "-Wl,-z,now" and the like in TARGET_CFLAGS. Currently enabling SSP on user space depends on enabling SSP kernel side, this is due to the fact that TARGET_CFLAGS are used to build kernel modules (at least). Suggestions on how to avoid this are welcome. Using "select" instead of "depends on" doesn't seem to work with choice entries. Tested with a lantiq (WBMR) router, GCC 4.8, uClibc and a subset of the available packages. Needs to be tested with GCC 4.9 and the remaining packages. PIE not currently included. Signed-off-by: Alessandro Di Federico <ale+owrt@clearmind.me> SVN-Revision: 44005
* Kconfig: Various typo/grammar/line-length fixes in Config*.in filesHauke Mehrtens2014-09-131-37/+41
| | | | | | | | | | | | | Non-functional changes to config/Config-*.in files, including: * spelling mistakes * inconsistent terminology * grammar * overly long lines in "help" components Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> SVN-Revision: 42519
* PKG_CHECK_FORMAT_SECURITY: add a menuconfig option, disable by defaultJohn Crispin2014-08-251-0/+9
| | | | | | | | | | | The idea is still to enable it by default at some point I've tested all ar71xx packages (except oldpackages) using CONFIG_ALL=y Failing packages have been marked with PKG_CHECK_FORMAT_SECURITY:=0 for now I can test more targets but i have no idea which are the most used Signed-off-by: Etienne CHAMPETIER <champetier.etienne@gmail.com> SVN-Revision: 42282
* move menuconfig options into separate filesImre Kaloz2013-11-221-0/+206
Signed-off-by: Imre Kaloz <kaloz@openwrt.org> SVN-Revision: 38895
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