Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Contribute to GitLab
Sign in / Register
Toggle navigation
M
Magisk
Project
Project
Details
Activity
Cycle Analytics
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Charts
Issues
0
Issues
0
List
Board
Labels
Milestones
Merge Requests
0
Merge Requests
0
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Charts
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Charts
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
Administrator
Magisk
Commits
ed25e1bb
Commit
ed25e1bb
authored
Feb 09, 2019
by
topjohnwu
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
Directly inject services into init.rc
parent
c8491d00
Show whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
10 additions
and
42 deletions
+10
-42
init.cpp
native/jni/core/init.cpp
+10
-42
No files found.
native/jni/core/init.cpp
View file @
ed25e1bb
...
@@ -312,21 +312,6 @@ static int dump_manager(const char *path, mode_t mode) {
...
@@ -312,21 +312,6 @@ static int dump_manager(const char *path, mode_t mode) {
return
0
;
return
0
;
}
}
static
int
dump_magiskrc
(
const
char
*
path
,
mode_t
mode
)
{
int
fd
=
creat
(
path
,
mode
);
if
(
fd
<
0
)
return
1
;
char
startup_svc
[
8
],
late_start_svc
[
8
],
rc
[
sizeof
(
magiskrc
)
+
100
];
gen_rand_str
(
startup_svc
,
sizeof
(
startup_svc
));
do
{
gen_rand_str
(
late_start_svc
,
sizeof
(
late_start_svc
));
}
while
(
strcmp
(
startup_svc
,
late_start_svc
)
==
0
);
int
size
=
sprintf
(
rc
,
magiskrc
,
startup_svc
,
startup_svc
,
late_start_svc
);
xwrite
(
fd
,
rc
,
size
);
close
(
fd
);
return
0
;
}
static
void
patch_socket_name
(
const
char
*
path
)
{
static
void
patch_socket_name
(
const
char
*
path
)
{
uint8_t
*
buf
;
uint8_t
*
buf
;
char
name
[
sizeof
(
MAIN_SOCKET
)];
char
name
[
sizeof
(
MAIN_SOCKET
)];
...
@@ -347,30 +332,15 @@ static void patch_socket_name(const char *path) {
...
@@ -347,30 +332,15 @@ static void patch_socket_name(const char *path) {
munmap
(
buf
,
size
);
munmap
(
buf
,
size
);
}
}
static
void
setup_rc
()
{
static
void
setup_init_rc
()
{
// Patch init.rc to load magisk scripts
FILE
*
rc
=
xfopen
(
"/init.rc"
,
"ae"
);
bool
injected
=
false
;
char
pfd_svc
[
8
],
ls_svc
[
8
];
char
line
[
4096
];
gen_rand_str
(
pfd_svc
,
sizeof
(
pfd_svc
));
FILE
*
fp
=
xfopen
(
"/init.rc"
,
"r"
);
do
{
int
fd
=
open
(
"/init.rc.new"
,
O_WRONLY
|
O_CREAT
|
O_CLOEXEC
,
0750
);
gen_rand_str
(
ls_svc
,
sizeof
(
ls_svc
));
while
(
fgets
(
line
,
sizeof
(
line
),
fp
))
{
}
while
(
strcmp
(
pfd_svc
,
ls_svc
)
==
0
);
if
(
!
injected
&&
strncmp
(
line
,
"import"
,
6
)
==
0
)
{
fprintf
(
rc
,
magiskrc
,
pfd_svc
,
pfd_svc
,
ls_svc
);
if
(
strstr
(
line
,
"init.magisk.rc"
))
{
fclose
(
rc
);
injected
=
true
;
}
else
{
xwrite
(
fd
,
"import /init.magisk.rc
\n
"
,
23
);
injected
=
true
;
}
}
else
if
(
strstr
(
line
,
"selinux.reload_policy"
))
{
// Do not allow sepolicy patch
continue
;
}
xwrite
(
fd
,
line
,
strlen
(
line
));
}
fclose
(
fp
);
close
(
fd
);
rename
(
"/init.rc.new"
,
"/init.rc"
);
dump_magiskrc
(
MAGISKRC
,
0750
);
}
}
static
const
char
wrapper
[]
=
static
const
char
wrapper
[]
=
...
@@ -468,8 +438,6 @@ int main(int argc, char *argv[]) {
...
@@ -468,8 +438,6 @@ int main(int argc, char *argv[]) {
return
dump_magisk
(
argv
[
3
],
0755
);
return
dump_magisk
(
argv
[
3
],
0755
);
else
if
(
strcmp
(
argv
[
2
],
"manager"
)
==
0
)
else
if
(
strcmp
(
argv
[
2
],
"manager"
)
==
0
)
return
dump_manager
(
argv
[
3
],
0644
);
return
dump_manager
(
argv
[
3
],
0644
);
else
if
(
strcmp
(
argv
[
2
],
"magiskrc"
)
==
0
)
return
dump_magiskrc
(
argv
[
3
],
0755
);
}
}
// Prevent file descriptor confusion
// Prevent file descriptor confusion
...
@@ -574,7 +542,7 @@ int main(int argc, char *argv[]) {
...
@@ -574,7 +542,7 @@ int main(int argc, char *argv[]) {
sbin
=
xopen
(
"/sbin"
,
O_RDONLY
|
O_CLOEXEC
);
sbin
=
xopen
(
"/sbin"
,
O_RDONLY
|
O_CLOEXEC
);
link_dir
(
sbin
,
root
);
link_dir
(
sbin
,
root
);
setup_rc
();
setup_
init_
rc
();
patch_sepolicy
();
patch_sepolicy
();
// Close all file descriptors
// Close all file descriptors
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment