127 lines
5.0 KiB
Diff
127 lines
5.0 KiB
Diff
From 38a49840b16cab5b0c6fe10ad87abc78b39c341d Mon Sep 17 00:00:00 2001
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From: Ziyang Zhou <ziyang.zhou@outlook.com>
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Date: Sun, 9 May 2021 23:09:00 +0800
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Subject: [PATCH 1/7] fix booting
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---
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init/first_stage_init.cpp | 18 +++++++++++++++---
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init/init.cpp | 0
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init/property_service.cpp | 0
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init/service.cpp | 3 ++-
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init/util.cpp | 3 ++-
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rootdir/init.rc | 1 -
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6 files changed, 19 insertions(+), 6 deletions(-)
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mode change 100644 => 100755 init/init.cpp
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mode change 100644 => 100755 init/property_service.cpp
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diff --git a/init/first_stage_init.cpp b/init/first_stage_init.cpp
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index 107e99a31..649f3ec76 100644
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--- a/init/first_stage_init.cpp
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+++ b/init/first_stage_init.cpp
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@@ -35,6 +35,7 @@
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#include <android-base/chrono_utils.h>
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#include <android-base/file.h>
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#include <android-base/logging.h>
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+#include <android-base/strings.h>
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#include <modprobe/modprobe.h>
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#include <private/android_filesystem_config.h>
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@@ -243,6 +244,8 @@ int FirstStageMain(int argc, char** argv) {
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CHECKCALL(mkdir("/dev/pts", 0755));
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CHECKCALL(mkdir("/dev/socket", 0755));
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CHECKCALL(mkdir("/dev/dm-user", 0755));
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+ mount("/system/etc", "/etc", "none", MS_BIND, NULL); // cgroup fix
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+ unshare(CLONE_NEWCGROUP);
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CHECKCALL(mount("devpts", "/dev/pts", "devpts", 0, NULL));
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#define MAKE_STR(x) __STRING(x)
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CHECKCALL(mount("proc", "/proc", "proc", 0, "hidepid=2,gid=" MAKE_STR(AID_READPROC)));
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@@ -306,7 +309,6 @@ int FirstStageMain(int argc, char** argv) {
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for (const auto& [error_string, error_errno] : errors) {
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LOG(ERROR) << error_string << " " << strerror(error_errno);
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}
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- LOG(FATAL) << "Init encountered errors starting first stage, aborting";
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}
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LOG(INFO) << "init first stage started!";
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@@ -420,12 +422,22 @@ int FirstStageMain(int argc, char** argv) {
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1);
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const char* path = "/system/bin/init";
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- const char* args[] = {path, "selinux_setup", nullptr};
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+ std::vector<const char *> args = {path, "second_stage"};
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+ std::string init_cmdline;
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+ android::base::ReadFileToString("/proc/self/cmdline", &init_cmdline);
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+ std::replace(init_cmdline.begin(), init_cmdline.end(), '\0', ' ');
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+ auto cmd_vector = android::base::Split(android::base::Trim(init_cmdline), " ");
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+ int i = 0;
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+ for (const auto& entry : cmd_vector) {
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+ if (i++ == 0) continue; // ignore first arg '/init'
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+ args.push_back(entry.c_str());
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+ }
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+ args.push_back(nullptr);
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auto fd = open("/dev/kmsg", O_WRONLY | O_CLOEXEC);
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dup2(fd, STDOUT_FILENO);
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dup2(fd, STDERR_FILENO);
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close(fd);
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- execv(path, const_cast<char**>(args));
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+ execv(path, const_cast<char**>(args.data()));
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// execv() only returns if an error happened, in which case we
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// panic and never fall through this conditional.
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diff --git a/init/init.cpp b/init/init.cpp
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old mode 100644
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new mode 100755
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diff --git a/init/property_service.cpp b/init/property_service.cpp
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old mode 100644
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new mode 100755
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diff --git a/init/service.cpp b/init/service.cpp
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index 35beaad33..3bdf7c26c 100644
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--- a/init/service.cpp
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+++ b/init/service.cpp
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@@ -75,6 +75,7 @@ namespace android {
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namespace init {
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static Result<std::string> ComputeContextFromExecutable(const std::string& service_path) {
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+ se_hack1("HACKED");
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std::string computed_context;
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char* raw_con = nullptr;
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@@ -371,7 +372,7 @@ void Service::Reap(const siginfo_t& siginfo) {
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if (!GetBoolProperty("init.svc_debug.no_fatal." + name_, false)) {
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// Aborts into `fatal_reboot_target_'.
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SetFatalRebootTarget(fatal_reboot_target_);
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- LOG(FATAL) << "critical process '" << name_ << "' exited 4 times "
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+ LOG(ERROR) << "critical process '" << name_ << "' exited 4 times "
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<< exit_reason;
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}
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} else {
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diff --git a/init/util.cpp b/init/util.cpp
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index bc8ea6eaf..78d76a297 100644
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--- a/init/util.cpp
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+++ b/init/util.cpp
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@@ -242,7 +242,8 @@ int wait_for_file(const char* filename, std::chrono::nanoseconds timeout) {
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void ImportKernelCmdline(const std::function<void(const std::string&, const std::string&)>& fn) {
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std::string cmdline;
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- android::base::ReadFileToString("/proc/cmdline", &cmdline);
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+ android::base::ReadFileToString("/proc/self/cmdline", &cmdline); // HACKED
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+ std::replace(cmdline.begin(), cmdline.end(), '\0', ' '); // HACKED
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for (const auto& entry : android::base::Split(android::base::Trim(cmdline), " ")) {
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std::vector<std::string> pieces = android::base::Split(entry, "=");
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diff --git a/rootdir/init.rc b/rootdir/init.rc
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index 1e6918d00..5806d142e 100644
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--- a/rootdir/init.rc
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+++ b/rootdir/init.rc
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@@ -571,7 +571,6 @@ on post-fs
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# Once everything is setup, no need to modify /.
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# The bind+remount combination allows this to work in containers.
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- mount rootfs rootfs / remount bind ro nodev
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# Mount default storage into root namespace
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mount none /mnt/user/0 /storage bind rec
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--
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2.34.1
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