4ce35a3c60
Fixed up: LineageOS-16.0/android_packages_apps_Backgrounds/308977.patch LineageOS-16.0/android_packages_apps_Settings/0001-Captive_Portal_Toggle.patch LineageOS-17.1/android_packages_apps_Settings/0001-Captive_Portal_Toggle.patch LineageOS-18.1/android_packages_apps_Settings/0001-Captive_Portal_Toggle.patch Must review again: LineageOS-14.1/android_packages_apps_PackageInstaller/64d8b44.patch Signed-off-by: Tad <tad@spotco.us>
60 lines
2.6 KiB
Diff
60 lines
2.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: Daniel Micay <danielmicay@gmail.com>
|
|
Date: Mon, 12 Feb 2018 03:29:58 -0500
|
|
Subject: [PATCH] Harden
|
|
|
|
Change-Id: Idd2da6d9989ec554ce5b0841781d323fdcd9eb87
|
|
---
|
|
init/first_stage_init.cpp | 6 +++---
|
|
rootdir/init.rc | 11 +++++++++++
|
|
2 files changed, 14 insertions(+), 3 deletions(-)
|
|
|
|
diff --git a/init/first_stage_init.cpp b/init/first_stage_init.cpp
|
|
index 2b899408a..84c2735c2 100644
|
|
--- a/init/first_stage_init.cpp
|
|
+++ b/init/first_stage_init.cpp
|
|
@@ -120,15 +120,15 @@ int FirstStageMain(int argc, char** argv) {
|
|
CHECKCALL(mount("tmpfs", "/dev", "tmpfs", MS_NOSUID, "mode=0755"));
|
|
CHECKCALL(mkdir("/dev/pts", 0755));
|
|
CHECKCALL(mkdir("/dev/socket", 0755));
|
|
- CHECKCALL(mount("devpts", "/dev/pts", "devpts", 0, NULL));
|
|
+ CHECKCALL(mount("devpts", "/dev/pts", "devpts", MS_NOSUID|MS_NOEXEC, NULL));
|
|
#define MAKE_STR(x) __STRING(x)
|
|
- CHECKCALL(mount("proc", "/proc", "proc", 0, "hidepid=2,gid=" MAKE_STR(AID_READPROC)));
|
|
+ CHECKCALL(mount("proc", "/proc", "proc", MS_NOSUID|MS_NODEV|MS_NOEXEC, "hidepid=2,gid=" MAKE_STR(AID_READPROC)));
|
|
#undef MAKE_STR
|
|
// Don't expose the raw commandline to unprivileged processes.
|
|
CHECKCALL(chmod("/proc/cmdline", 0440));
|
|
gid_t groups[] = {AID_READPROC};
|
|
CHECKCALL(setgroups(arraysize(groups), groups));
|
|
- CHECKCALL(mount("sysfs", "/sys", "sysfs", 0, NULL));
|
|
+ CHECKCALL(mount("sysfs", "/sys", "sysfs", MS_NOSUID|MS_NODEV|MS_NOEXEC, NULL));
|
|
CHECKCALL(mount("selinuxfs", "/sys/fs/selinux", "selinuxfs", 0, NULL));
|
|
|
|
CHECKCALL(mknod("/dev/kmsg", S_IFCHR | 0600, makedev(1, 11)));
|
|
diff --git a/rootdir/init.rc b/rootdir/init.rc
|
|
index c80acdf51..e9fba7989 100644
|
|
--- a/rootdir/init.rc
|
|
+++ b/rootdir/init.rc
|
|
@@ -145,6 +145,17 @@ on init
|
|
write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000
|
|
write /proc/sys/kernel/sched_child_runs_first 0
|
|
|
|
+ write /proc/sys/kernel/dmesg_restrict 1
|
|
+ write /proc/sys/fs/protected_hardlinks 1
|
|
+ write /proc/sys/fs/protected_symlinks 1
|
|
+ write /proc/sys/fs/protected_fifos 1
|
|
+ write /proc/sys/fs/protected_regular 1
|
|
+ write /proc/sys/net/ipv6/conf/all/use_tempaddr 2
|
|
+ write /proc/sys/net/ipv6/conf/all/max_addresses 128
|
|
+ write /proc/sys/net/ipv6/conf/all/temp_prefered_lft 21600
|
|
+ write /proc/sys/net/ipv6/conf/default/use_tempaddr 2
|
|
+ write /proc/sys/net/ipv6/conf/default/max_addresses 128
|
|
+ write /proc/sys/net/ipv6/conf/default/temp_prefered_lft 21600
|
|
write /proc/sys/kernel/randomize_va_space 2
|
|
write /proc/sys/vm/mmap_min_addr 32768
|
|
write /proc/sys/net/ipv4/ping_group_range "0 2147483647"
|
|
--
|
|
2.31.1
|
|
|