forked from MarcoBuster/Magisk
119 lines
2.9 KiB
C++
119 lines
2.9 KiB
C++
#include <unistd.h>
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#include <cstdio>
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#include <cstdlib>
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#include <string>
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#include <vector>
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#include <magisk.h>
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#include <utils.h>
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#include <selinux.h>
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using namespace std;
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static void set_path() {
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char buf[4096];
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sprintf(buf, BBPATH ":%s", getenv("PATH"));
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setenv("PATH", buf, 1);
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}
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static void set_mirror_path() {
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setenv("PATH", BBPATH ":/sbin:" MIRRDIR "/system/bin:"
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MIRRDIR "/system/xbin:" MIRRDIR "/vendor/bin", 1);
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}
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void exec_common_script(const char *stage) {
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char path[4096];
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DIR *dir;
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struct dirent *entry;
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sprintf(path, SECURE_DIR "/%s.d", stage);
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if (!(dir = xopendir(path)))
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return;
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chdir(path);
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bool pfs = strcmp(stage, "post-fs-data") == 0;
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while ((entry = xreaddir(dir))) {
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if (entry->d_type == DT_REG) {
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if (access(entry->d_name, X_OK) == -1)
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continue;
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LOGI("%s.d: exec [%s]\n", stage, entry->d_name);
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exec_t exec {
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.pre_exec = pfs ? set_mirror_path : set_path,
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.fork = pfs ? xfork : fork_dont_care
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};
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if (pfs)
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exec_command_sync(exec, MIRRDIR "/system/bin/sh", entry->d_name);
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else
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exec_command(exec, MIRRDIR "/system/bin/sh", entry->d_name);
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}
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}
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closedir(dir);
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chdir("/");
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}
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void exec_module_script(const char *stage, const vector<string> &module_list) {
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char path[4096];
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bool pfs = strcmp(stage, "post-fs-data") == 0;
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for (auto &m : module_list) {
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const char* module = m.c_str();
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sprintf(path, MODULEROOT "/%s/%s.sh", module, stage);
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if (access(path, F_OK) == -1)
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continue;
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LOGI("%s: exec [%s.sh]\n", module, stage);
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exec_t exec {
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.pre_exec = pfs ? set_mirror_path : set_path,
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.fork = pfs ? xfork : fork_dont_care
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};
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if (pfs)
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exec_command_sync(exec, MIRRDIR "/system/bin/sh", path);
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else
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exec_command(exec, MIRRDIR "/system/bin/sh", path);
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}
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}
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static const char migrate_script[] =
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"IMG=/data/adb/tmp.img;"
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"MNT=/dev/img_mnt;"
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"e2fsck -yf $IMG;"
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"mkdir -p $MNT;"
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"for num in 0 1 2 3 4 5 6 7; do"
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" losetup /dev/block/loop${num} $IMG || continue;"
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" mount -t ext4 /dev/block/loop${num} $MNT;"
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" rm -rf $MNT/lost+found $MNT/.core;"
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" magisk --clone $MNT " MODULEROOT ";"
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" umount $MNT;"
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" rm -rf $MNT;"
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" losetup -d /dev/block/loop${num};"
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" break;"
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"done;"
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"rm -rf $IMG";
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void migrate_img(const char *img) {
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LOGI("* Migrating %s\n", img);
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exec_t exec { .pre_exec = set_path };
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rename(img, "/data/adb/tmp.img");
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exec_command_sync(exec, "/system/bin/sh", "-c", migrate_script);
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}
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static const char install_script[] =
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"APK=%s;"
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"while true; do"
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" OUT=`pm install -r $APK 2>&1`;"
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" log -t Magisk \"apk_install: $OUT\";"
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" if echo \"$OUT\" | grep -qE \"Can't|Error:\"; then"
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" sleep 5;"
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" continue;"
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" fi;"
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" break;"
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"done;"
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"rm -f $APK";
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void install_apk(const char *apk) {
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setfilecon(apk, "u:object_r:" SEPOL_FILE_DOMAIN ":s0");
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LOGI("apk_install: %s\n", apk);
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exec_t exec { .pre_exec = set_mirror_path };
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char cmds[sizeof(install_script) + 4096];
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sprintf(cmds, install_script, apk);
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exec_command_sync(exec, MIRRDIR "/system/bin/sh", "-c", cmds);
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}
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