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Revert "Revert "dhcpcd: Update to 9.3.4""

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This reverts commit 7c6a4babf8.
This commit is contained in:
Arne Fitzenreiter
2021-03-10 15:13:26 +01:00
parent 66acb7f166
commit 63e0d451db
2 changed files with 41 additions and 2 deletions
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7
lfs/dhcpcd
View File

@@ -24,7 +24,7 @@
include Config
VER = 9.1.4
VER = 9.3.4
THISAPP = dhcpcd-$(VER)
DL_FILE = $(THISAPP).tar.xz
@@ -40,7 +40,7 @@ objects = $(DL_FILE)
$(DL_FILE) = $(DL_FROM)/$(DL_FILE)
$(DL_FILE)_MD5 = dd77711cf3232002bb075f5210269f88
$(DL_FILE)_MD5 = badb02dfc69fe9bbeec35a02efcdb4db
install : $(TARGET)
@@ -70,6 +70,9 @@ $(subst %,%_MD5,$(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_uses_socketcall.patch
cd $(DIR_APP) && ./configure --prefix="" --sysconfdir=/var/ipfire/dhcpc \
--dbdir=/var/ipfire/dhcpc \
--libexecdir=/var/ipfire/dhcpc \

36
src/patches/dhcpcd/01_Fix_Linux_i386_for_SECCOMP_as_it_just_uses_socketcall.patch Normal file
View File

@@ -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