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Revert "dhcpcd: Update to 9.4.0"

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This reverts commit 15194c7c52.

This version still fails to run on i586 without this patch.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
This commit is contained in:
Michael Tremer
2021-02-05 17:01:29 +00:00
parent 8e308e4eb2
commit c1b356d20d
2 changed files with 41 additions and 2 deletions
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36
src/patches/dhcpcd/01_Fix_Linux_i386_for_SECCOMP_as_it_just_uses_socketcall.patch Normal file
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@@ -0,0 +1,36 @@
diff --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[] = {
#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