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Overcome some quirks in Android Lollipop

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This commit is contained in:
topjohnwu 2017-07-25 03:10:01 +08:00
parent ce87591c62
commit b7986a351c
7 changed files with 56 additions and 27 deletions
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23
jni/magiskboot/cpio.c
View File

@ -470,6 +470,24 @@ static int cpio_restore(struct vector *v) {
return ret;
}
static void cpio_stocksha1(struct vector *v) {
cpio_file *f;
char sha1[41];
vec_for_each(v, f) {
if (strcmp(f->filename, "init.magisk.rc") == 0) {
for (char *pos = f->data; pos < f->data + f->filesize; pos = strchr(pos + 1, '\n') + 1) {
if (memcmp(pos, "# STOCKSHA1=", 12) == 0) {
pos += 12;
memcpy(sha1, pos, 40);
sha1[40] = '\0';
printf("%s\n", sha1);
return;
}
}
}
}
}
int cpio_commands(const char *command, int argc, char *argv[]) {
int recursive = 0, ret = 0;
command_t cmd;
@ -480,6 +498,8 @@ int cpio_commands(const char *command, int argc, char *argv[]) {
cmd = TEST;
} else if (strcmp(command, "restore") == 0) {
cmd = RESTORE;
} else if (strcmp(command, "stocksha1") == 0) {
cmd = STOCKSHA1;
} else if (argc == 1 && strcmp(command, "backup") == 0) {
cmd = BACKUP;
} else if (argc > 0 && strcmp(command, "rm") == 0) {
@ -510,6 +530,9 @@ int cpio_commands(const char *command, int argc, char *argv[]) {
case RESTORE:
ret = cpio_restore(&v);
break;
case STOCKSHA1:
cpio_stocksha1(&v);
return 0;
case BACKUP:
cpio_backup(argv[0], &v);
case RM:

3
jni/magiskboot/magiskboot.h
View File

@ -55,7 +55,8 @@ typedef enum {
TEST,
PATCH,
BACKUP,
RESTORE
RESTORE,
STOCKSHA1
} command_t;
extern char *SUP_LIST[];

19
jni/magiskboot/main.c
View File

@ -20,15 +20,16 @@ static void usage(char *arg0) {
" Search <hexpattern1> in <file>, and replace with <hexpattern2>\n"
"\n"
"%s --cpio-<cmd> <incpio> [flags...] [params...]\n"
" Do cpio related cmds to <incpio> (modifications are done directly)\n Supported commands:\n"
" --cpio-rm <incpio> [-r] <entry>\n Remove entry from cpio, flag -r to remove recursively\n"
" --cpio-mkdir <incpio> <mode> <entry>\n Create directory as an <entry>\n"
" --cpio-add <incpio> <mode> <entry> <infile>\n Add <infile> as an <entry>; replaces <entry> if already exists\n"
" --cpio-extract <incpio> <entry> <outfile>\n Extract <entry> to <outfile>\n"
" --cpio-test <incpio>\n Return value: 0/not patched 1/Magisk 2/Other (e.g. phh, SuperSU)\n"
" --cpio-patch <KEEPVERITY> <KEEPFORCEENCRYPT>\n Patch cpio for Magisk. KEEP**** are true/false values\n"
" --cpio-backup <incpio> <origcpio>\n Create ramdisk backups into <incpio> from <origcpio>\n"
" --cpio-restore <incpio>\n Restore ramdisk from ramdisk backup within <incpio>\n"
" Do cpio related cmds to <incpio> (modifications are done directly)\n Supported commands and params:\n"
" -rm [-r] <entry>\n Remove entry from <incpio>, flag -r to remove recursively\n"
" -mkdir <mode> <entry>\n Create directory as an <entry>\n"
" -add <mode> <entry> <infile>\n Add <infile> as an <entry>; replaces <entry> if already exists\n"
" -extract <entry> <outfile>\n Extract <entry> to <outfile>\n"
" -test \n Return value: 0/not patched 1/Magisk 2/Other (e.g. phh, SuperSU)\n"
" -patch <KEEPVERITY> <KEEPFORCEENCRYPT>\n Patch cpio for Magisk. KEEP**** are true/false values\n"
" -backup <origcpio>\n Create ramdisk backups into <incpio> from <origcpio>\n"
" -restore\n Restore ramdisk from ramdisk backup within <incpio>\n"
" -stocksha1\n Get stock boot SHA1 recorded within <incpio>\n"
"\n"
"%s --compress[=method] <infile> [outfile]\n"
" Compress <infile> with [method] (default: gzip), optionally to [outfile]\n Supported methods: "

9
scripts/boot_patch.sh
View File

@ -106,7 +106,7 @@ fi
[ -z $KEEPFORCEENCRYPT ] && KEEPFORCEENCRYPT=false
# Detect whether running as root
[ `id -u` -eq 0 ] && ROOT=true || ROOT=false
id | grep "uid=0" >/dev/null 2>&1 && ROOT=true || ROOT=false
# Switch to the location of the script file
[ -z $SOURCEDMODE ] && cd "`dirname_wrap "${BASH_SOURCE:-$0}"`"
@ -156,12 +156,7 @@ case $? in
1 ) # Magisk patched
ui_print_wrap "- Magisk patched image detected!"
# Find SHA1 of stock boot image
if [ -z $SHA1 ]; then
./magiskboot --cpio-extract ramdisk.cpio init.magisk.rc init.magisk.rc.old
SHA1=`grep_prop "# STOCKSHA1" init.magisk.rc.old`
rm -f init.magisk.rc.old
fi
[ -z $SHA1 ] && SHA1=`./magiskboot --cpio-stocksha1 ramdisk.cpio`
OK=false
./magiskboot --cpio-restore ramdisk.cpio
if [ $? -eq 0 ]; then

1
scripts/flash_script.sh
View File

@ -183,6 +183,7 @@ if ! $BOOTMODE; then
$MAGISKBIN/magisk --umountimg /magisk $MAGISKLOOP
rmdir /magisk
recovery_cleanup
rm -rf $TMPDIR
fi
ui_print "- Done"

6
scripts/magisk_uninstaller.sh
View File

@ -101,11 +101,7 @@ case $? in
1 ) # Magisk patched
ui_print_wrap "- Magisk patched image detected!"
# Find SHA1 of stock boot image
if [ -z $SHA1 ]; then
./magiskboot --cpio-extract ramdisk.cpio init.magisk.rc init.magisk.rc.old
SHA1=`grep_prop "# STOCKSHA1" init.magisk.rc.old`
rm -f init.magisk.rc.old
fi
[ -z $SHA1 ] && SHA1=`./magiskboot --cpio-stocksha1 ramdisk.cpio`
[ ! -z $SHA1 ] && STOCKDUMP=/data/stock_boot_${SHA1}.img
if [ -f ${STOCKDUMP}.gz ]; then
ui_print_wrap "- Boot image backup found!"

14
scripts/util_functions.sh
View File

@ -128,10 +128,21 @@ api_level_arch_detect() {
recovery_actions() {
# TWRP bug fix
mount -o bind /dev/urandom /dev/random
# Preserve environment varibles
OLD_PATH=$PATH
OLD_LD_PATH=$LD_LIBRARY_PATH
# Extract busybox from Magisk Manager
if [ -f $INSTALLER/common/magisk.apk ]; then
mkdir -p $TMPDIR/bin
[ $ARCH = "arm" -o $ARCH = "arm64" ] && BBPATH=lib/armeabi-v7a || BBPATH=lib/x86
unzip -p $INSTALLER/common/magisk.apk $BBPATH/libbusybox.so > $TMPDIR/bin/busybox 2>/dev/null
chmod 755 $TMPDIR/bin/busybox
$TMPDIR/bin/busybox --install -s $TMPDIR/bin
export PATH=$PATH:$TMPDIR/bin
fi
# Temporarily block out all custom recovery binaries/libs
mv /sbin /sbin_tmp
# Add all possible library paths
OLD_LD_PATH=$LD_LIBRARY_PATH
$IS64BIT && export LD_LIBRARY_PATH=/system/lib64:/system/vendor/lib64 || export LD_LIBRARY_PATH=/system/lib:/system/vendor/lib
}
@ -139,6 +150,7 @@ recovery_cleanup() {
mv /sbin_tmp /sbin
# Clear LD_LIBRARY_PATH
export LD_LIBRARY_PATH=$OLD_LD_PATH
export PATH=$OLD_PATH
ui_print "- Unmounting partitions"
umount -l /system
umount -l /vendor 2>/dev/null