[Buildroot] [PATCH] samba: bump to version 4.3.0

[Vicente Olivert Riera <Vincent.Riera@imgtec.com>]

Dear Gustavo Zacarias,

On 11/09/15 21:01, Gustavo Zacarias wrote:
> New patch status: sent upstream.
>
> Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Reviewed-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Tested-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>

Tested using a toolchain without stack smashing protection.

Regards,

Vincent.

> ---
>   .../0002-build-improve-stack-protector-check.patch | 56 ++++++++++++++++++++++
>   package/samba4/samba4.hash                         |  2 +-
>   package/samba4/samba4.mk                           |  4 +-
>   3 files changed, 59 insertions(+), 3 deletions(-)
>   create mode 100644 package/samba4/0002-build-improve-stack-protector-check.patch
>
> diff --git a/package/samba4/0002-build-improve-stack-protector-check.patch b/package/samba4/0002-build-improve-stack-protector-check.patch
> new file mode 100644
> index 0000000..51ffc04
> --- /dev/null
> +++ b/package/samba4/0002-build-improve-stack-protector-check.patch
> @@ -0,0 +1,56 @@
> +From e4ef92852023f4e2f192d3c47220dc75930a615c Mon Sep 17 00:00:00 2001
> +From: Gustavo Zacarias <gustavo@zacarias.com.ar>
> +Date: Fri, 11 Sep 2015 16:41:31 -0300
> +Subject: [PATCH] build: improve stack protector check
> +
> +Testing a toolchain for proper -fstack-protector must go beyond ensuring
> +the compiler and linker accept the option.
> +If the test C program does nothing with the stack then guards aren't
> +inserted and/or are optimized away giving the false impression that it
> +works when in fact the libc might not support it.
> +
> +Update the check to a program that uses the stack, hence making a link
> +fail if proper support isn't available, for example in non-ssp enabled
> +uclibc toolchains like this:
> +
> +test.c:(.text.startup+0x64): undefined reference to `__stack_chk_fail'
> +
> +Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
> +---
> + buildtools/wafsamba/samba_autoconf.py | 20 +++++++++++++++++---
> + 1 file changed, 17 insertions(+), 3 deletions(-)
> +
> +diff --git a/buildtools/wafsamba/samba_autoconf.py b/buildtools/wafsamba/samba_autoconf.py
> +index c5f132c..ef34b00 100644
> +--- a/buildtools/wafsamba/samba_autoconf.py
> ++++ b/buildtools/wafsamba/samba_autoconf.py
> +@@ -657,9 +657,23 @@ def SAMBA_CONFIG_H(conf, path=None):
> +     if not IN_LAUNCH_DIR(conf):
> +         return
> +
> +-    if conf.CHECK_CFLAGS(['-fstack-protector']) and conf.CHECK_LDFLAGS(['-fstack-protector']):
> +-        conf.ADD_CFLAGS('-fstack-protector')
> +-        conf.ADD_LDFLAGS('-fstack-protector')
> ++    # we need to build real code that can't be optimized away to test
> ++    if conf.check(fragment='''
> ++        #include <stdio.h>
> ++
> ++        int main(void)
> ++        {
> ++            char t[100000];
> ++            while (fgets(t, sizeof(t), stdin));
> ++            return 0;
> ++        }
> ++        ''',
> ++        execute=0,
> ++        ccflags='-fstack-protector',
> ++        ldflags='-fstack-protector',
> ++        msg='Checking if toolchain accepts -fstack-protector'):
> ++            conf.ADD_CFLAGS('-fstack-protector')
> ++            conf.ADD_LDFLAGS('-fstack-protector')
> +
> +     if Options.options.debug:
> +         conf.ADD_CFLAGS('-g', testflags=True)
> +--
> +2.4.6
> +
> diff --git a/package/samba4/samba4.hash b/package/samba4/samba4.hash
> index e2b3969..d242f94 100644
> --- a/package/samba4/samba4.hash
> +++ b/package/samba4/samba4.hash
> @@ -1,2 +1,2 @@
>   # Locally calculated after checking pgp signature
> -sha256	b6dfa5ae4818d891ee2fcff04a5912f4a4fb2394b4f5e66a2a15b428da094c7c	samba-4.2.3.tar.gz
> +sha256	d8dbb6b29dec1d9aa295655c4aa4eadd1e5367ef7047be22f4d6a18ba8acdb63	samba-4.3.0.tar.gz
> diff --git a/package/samba4/samba4.mk b/package/samba4/samba4.mk
> index c88cc9f..6f3fb58 100644
> --- a/package/samba4/samba4.mk
> +++ b/package/samba4/samba4.mk
> @@ -4,8 +4,8 @@
>   #
>   ################################################################################
>
> -SAMBA4_VERSION = 4.2.3
> -SAMBA4_SITE = http://ftp.samba.org/pub/samba
> +SAMBA4_VERSION = 4.3.0
> +SAMBA4_SITE = http://ftp.samba.org/pub/samba/stable
>   SAMBA4_SOURCE = samba-$(SAMBA4_VERSION).tar.gz
>   SAMBA4_INSTALL_STAGING = YES
>   SAMBA4_LICENSE = GPLv3+
>