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Administrator
Magisk
Commits
844bc2d8
Commit
844bc2d8
authored
Aug 13, 2021
by
topjohnwu
Browse files
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Plain Diff
Remove unused code
parent
27f7fa71
Hide whitespace changes
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Showing
3 changed files
with
6 additions
and
101 deletions
+6
-101
ramdisk.cpp
native/jni/magiskboot/ramdisk.cpp
+6
-64
cpio.cpp
native/jni/utils/cpio.cpp
+0
-28
cpio.hpp
native/jni/utils/include/cpio.hpp
+0
-9
No files found.
native/jni/magiskboot/ramdisk.cpp
View file @
844bc2d8
...
...
@@ -6,8 +6,6 @@
using
namespace
std
;
constexpr
char
RAMDISK_XZ
[]
=
"ramdisk.cpio.xz"
;
static
const
char
*
UNSUPPORT_LIST
[]
=
{
"sbin/launch_daemonsu.sh"
,
"sbin/su"
,
"init.xposed.rc"
,
"boot/sbin/launch_daemonsu.sh"
};
...
...
@@ -18,15 +16,12 @@ static const char *MAGISK_LIST[] =
class
magisk_cpio
:
public
cpio_rw
{
public
:
magisk_cpio
()
=
default
;
explicit
magisk_cpio
(
const
char
*
filename
)
:
cpio_rw
(
filename
)
{}
using
cpio_rw
::
cpio_rw
;
void
patch
();
int
test
();
char
*
sha1
();
void
restore
();
void
backup
(
const
char
*
orig
);
void
compress
();
void
decompress
();
};
bool
check_env
(
const
char
*
name
)
{
...
...
@@ -68,35 +63,25 @@ void magisk_cpio::patch() {
#define STOCK_BOOT 0
#define MAGISK_PATCHED (1 << 0)
#define UNSUPPORTED_CPIO (1 << 1)
#define COMPRESSED_CPIO (1 << 2)
int
magisk_cpio
::
test
()
{
for
(
auto
file
:
UNSUPPORT_LIST
)
if
(
exists
(
file
))
for
(
auto
file
:
UNSUPPORT_LIST
)
{
if
(
exists
(
file
))
{
return
UNSUPPORTED_CPIO
;
int
flags
=
STOCK_BOOT
;
if
(
exists
(
RAMDISK_XZ
))
{
flags
|=
COMPRESSED_CPIO
|
MAGISK_PATCHED
;
decompress
();
}
}
for
(
auto
file
:
MAGISK_LIST
)
{
if
(
exists
(
file
))
{
flags
|=
MAGISK_PATCHED
;
break
;
return
MAGISK_PATCHED
;
}
}
return
flags
;
return
STOCK_BOOT
;
}
#define for_each_line(line, buf, size) \
for (line = (char *) buf; line < (char *) buf + size && line[0]; line = strchr(line + 1, '\n') + 1)
char
*
magisk_cpio
::
sha1
()
{
decompress
();
char
sha1
[
41
];
char
*
line
;
for
(
auto
&
e
:
entries
)
{
...
...
@@ -127,8 +112,6 @@ char *magisk_cpio::sha1() {
for (str = (char *) buf; str < (char *) buf + size; str = str += strlen(str) + 1)
void
magisk_cpio
::
restore
()
{
decompress
();
if
(
auto
it
=
entries
.
find
(
".backup/.rmlist"
);
it
!=
entries
.
end
())
{
char
*
file
;
for_each_str
(
file
,
it
->
second
->
data
,
it
->
second
->
filesize
)
...
...
@@ -231,43 +214,6 @@ void magisk_cpio::backup(const char *orig) {
entries
.
merge
(
bkup_entries
);
}
void
magisk_cpio
::
compress
()
{
if
(
exists
(
RAMDISK_XZ
))
return
;
fprintf
(
stderr
,
"Compressing cpio -> [%s]
\n
"
,
RAMDISK_XZ
);
auto
init
=
entries
.
extract
(
"init"
);
uint8_t
*
data
;
size_t
len
;
auto
strm
=
make_stream_fp
(
get_encoder
(
XZ
,
make_unique
<
byte_stream
>
(
data
,
len
)));
dump
(
strm
.
release
());
entries
.
clear
();
entries
.
insert
(
std
::
move
(
init
));
auto
xz
=
new
cpio_entry
(
RAMDISK_XZ
,
S_IFREG
);
xz
->
data
=
data
;
xz
->
filesize
=
len
;
insert
(
xz
);
}
void
magisk_cpio
::
decompress
()
{
auto
it
=
entries
.
find
(
RAMDISK_XZ
);
if
(
it
==
entries
.
end
())
return
;
fprintf
(
stderr
,
"Decompressing cpio [%s]
\n
"
,
RAMDISK_XZ
);
char
*
data
;
size_t
len
;
{
auto
strm
=
get_decoder
(
XZ
,
make_unique
<
byte_stream
>
(
data
,
len
));
strm
->
write
(
it
->
second
->
data
,
it
->
second
->
filesize
);
}
entries
.
erase
(
it
);
load_cpio
(
data
,
len
);
free
(
data
);
}
int
cpio_commands
(
int
argc
,
char
*
argv
[])
{
char
*
incpio
=
argv
[
0
];
++
argv
;
...
...
@@ -305,10 +251,6 @@ int cpio_commands(int argc, char *argv[]) {
char
*
sha1
=
cpio
.
sha1
();
if
(
sha1
)
printf
(
"%s
\n
"
,
sha1
);
return
0
;
}
else
if
(
cmdv
[
0
]
==
"compress"
sv
){
cpio
.
compress
();
}
else
if
(
cmdv
[
0
]
==
"decompress"
sv
){
cpio
.
decompress
();
}
else
if
(
cmdv
[
0
]
==
"patch"
sv
)
{
cpio
.
patch
();
}
else
if
(
cmdc
==
2
&&
cmdv
[
0
]
==
"exists"
sv
)
{
...
...
native/jni/utils/cpio.cpp
View file @
844bc2d8
...
...
@@ -243,31 +243,3 @@ void cpio_rw::load_cpio(const char *buf, size_t sz) {
pos_align
(
pos
);
}
}
cpio_mmap
::
cpio_mmap
(
const
char
*
file
)
{
mmap_ro
(
file
,
buf
,
sz
);
fprintf
(
stderr
,
"Loading cpio: [%s]
\n
"
,
file
);
size_t
pos
=
0
;
cpio_newc_header
*
header
;
unique_ptr
<
cpio_entry_base
>
entry
;
while
(
pos
<
sz
)
{
header
=
(
cpio_newc_header
*
)(
buf
+
pos
);
entry
=
make_unique
<
cpio_entry_base
>
(
header
);
pos
+=
sizeof
(
*
header
);
string_view
name_view
(
buf
+
pos
);
pos
+=
x8u
(
header
->
namesize
);
pos_align
(
pos
);
if
(
name_view
==
"."
||
name_view
==
".."
)
continue
;
if
(
name_view
==
"TRAILER!!!"
)
break
;
entry
->
data
=
buf
+
pos
;
pos
+=
entry
->
filesize
;
entries
[
name_view
]
=
std
::
move
(
entry
);
pos_align
(
pos
);
}
}
cpio_mmap
::~
cpio_mmap
()
{
munmap
(
buf
,
sz
);
}
native/jni/utils/include/cpio.hpp
View file @
844bc2d8
...
...
@@ -66,12 +66,3 @@ protected:
void
mv
(
entry_map
::
iterator
&
it
,
const
char
*
to
);
void
load_cpio
(
const
char
*
buf
,
size_t
sz
);
};
class
cpio_mmap
:
public
cpio
{
public
:
explicit
cpio_mmap
(
const
char
*
file
);
~
cpio_mmap
();
private
:
char
*
buf
;
size_t
sz
;
};
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