From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michael Tremer <michael.tremer@ipfire.org>
To: development@lists.ipfire.org
Subject: Re: [PATCH] dhcpcd: Update to 9.4.0
Date: Mon, 15 Mar 2021 11:08:37 +0000
Message-ID: <77E49E33-398C-4546-8C61-7BC342743669@ipfire.org>
In-Reply-To: <11b485007ef71620f0d90bb6e3e529bd@ipfire.org>
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There is some sad news here:

https://roy.marples.name/archives/dhcpcd-discuss/0003457.html

> On 16 Feb 2021, at 15:04, Arne Fitzenreiter <arne_f(a)ipfire.org> wrote:
>=20
> Hi, we have to revert this patches back to 9.1.4 because it still not work
> with the kernel-4.14.x headers. On i686 it always crash with "Bad System Ca=
ll".
> Looks like not all Systemcalls are defined in the headers.
>=20
> This version build with kernel-5.10 works but i have an other problem:
> On x86_64 i often got no IP at boot but if i rerun via connscheduler
> reconnect it works.
>=20
> I think this need intensive testing on all platforms.
>=20
> Arne
>=20
>=20
> Am 2020-12-29 13:36, schrieb Matthias Fischer:
>> For details see:
>> https://roy.marples.name/archives/dhcpcd-discuss/0003420.html
>> Former patch for Bug #12552 is now included.
>> Signed-off-by: Matthias Fischer <matthias.fischer(a)ipfire.org>
>> ---
>> lfs/dhcpcd                                    |  7 ++--
>> ...r_SECCOMP_as_it_just_uses_socketcall.patch | 36 -------------------
>> 2 files changed, 2 insertions(+), 41 deletions(-)
>> delete mode 100644
>> src/patches/dhcpcd/01_Fix_Linux_i386_for_SECCOMP_as_it_just_uses_socketcal=
l.patch
>> diff --git a/lfs/dhcpcd b/lfs/dhcpcd
>> index 4e34e19d5..352308692 100644
>> --- a/lfs/dhcpcd
>> +++ b/lfs/dhcpcd
>> @@ -24,7 +24,7 @@
>> include Config
>> -VER        =3D 9.3.4
>> +VER        =3D 9.4.0
>> THISAPP    =3D dhcpcd-$(VER)
>> DL_FILE    =3D $(THISAPP).tar.xz
>> @@ -40,7 +40,7 @@ objects =3D $(DL_FILE)
>> $(DL_FILE) =3D $(DL_FROM)/$(DL_FILE)
>> -$(DL_FILE)_MD5 =3D badb02dfc69fe9bbeec35a02efcdb4db
>> +$(DL_FILE)_MD5 =3D c36715fc629bc40aa94aae06fa1724c2
>> install : $(TARGET)
>> @@ -70,9 +70,6 @@ $(subst %,%_MD5,$(objects)) :
>> $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
>> 	@$(PREBUILD)
>> 	@rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar axf $(DIR_DL)/$(DL_FILE)
>> -
>> -	cd $(DIR_APP) && patch -Np1 -i
>> $(DIR_SRC)/src/patches/dhcpcd/01_Fix_Linux_i386_for_SECCOMP_as_it_just_use=
s_socketcall.patch
>> -
>> 	cd $(DIR_APP) && ./configure --prefix=3D"" --sysconfdir=3D/var/ipfire/dhc=
pc \
>> 			--dbdir=3D/var/ipfire/dhcpc \
>> 			--libexecdir=3D/var/ipfire/dhcpc \
>> diff --git
>> a/src/patches/dhcpcd/01_Fix_Linux_i386_for_SECCOMP_as_it_just_uses_socketc=
all.patch
>> b/src/patches/dhcpcd/01_Fix_Linux_i386_for_SECCOMP_as_it_just_uses_socketc=
all.patch
>> deleted file mode 100644
>> index 9efcde219..000000000
>> ---
>> a/src/patches/dhcpcd/01_Fix_Linux_i386_for_SECCOMP_as_it_just_uses_socketc=
all.patch
>> +++ /dev/null
>> @@ -1,36 +0,0 @@
>> -=EF=BB=BFdiff --git a/src/privsep-linux.c b/src/privsep-linux.c
>> -index 050a30cf..d31d720d 100644
>> ---- a/src/privsep-linux.c
>> -+++ b/src/privsep-linux.c
>> -@@ -32,6 +32,7 @@
>> -
>> - #include <linux/audit.h>
>> - #include <linux/filter.h>
>> -+#include <linux/net.h>
>> - #include <linux/seccomp.h>
>> - #include <linux/sockios.h>
>> -
>> -@@ -304,6 +305,23 @@ static struct sock_filter ps_seccomp_filter[] =3D {
>> - #ifdef __NR_sendto
>> - 	SECCOMP_ALLOW(__NR_sendto),
>> - #endif
>> -+#ifdef __NR_socketcall
>> -+	/* i386 needs this and demonstrates why SECCOMP
>> -+	 * is poor compared to OpenBSD pledge(2) and FreeBSD capsicum(4)
>> -+	 * as this is soooo tied to the kernel API which changes per arch
>> -+	 * and likely libc as well. */
>> -+	SECCOMP_ALLOW_ARG(__NR_socketcall, 0, SYS_ACCEPT),
>> -+	SECCOMP_ALLOW_ARG(__NR_socketcall, 0, SYS_ACCEPT4),
>> -+	SECCOMP_ALLOW_ARG(__NR_socketcall, 0, SYS_LISTEN),
>> -+	SECCOMP_ALLOW_ARG(__NR_socketcall, 0, SYS_GETSOCKOPT),	/* overflow */
>> -+	SECCOMP_ALLOW_ARG(__NR_socketcall, 0, SYS_RECV),
>> -+	SECCOMP_ALLOW_ARG(__NR_socketcall, 0, SYS_RECVFROM),
>> -+	SECCOMP_ALLOW_ARG(__NR_socketcall, 0, SYS_RECVMSG),
>> -+	SECCOMP_ALLOW_ARG(__NR_socketcall, 0, SYS_SEND),
>> -+	SECCOMP_ALLOW_ARG(__NR_socketcall, 0, SYS_SENDMSG),
>> -+	SECCOMP_ALLOW_ARG(__NR_socketcall, 0, SYS_SENDTO),
>> -+	SECCOMP_ALLOW_ARG(__NR_socketcall, 0, SYS_SHUTDOWN),
>> -+#endif
>> - #ifdef __NR_shutdown
>> - 	SECCOMP_ALLOW(__NR_shutdown),
>> - #endif


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