Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Contribute to GitLab
Sign in / Register
Toggle navigation
S
SandHook
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
SandHook
Commits
14327145
Commit
14327145
authored
Feb 20, 2019
by
swift_gan
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
add get java object
parent
4192be5a
Hide whitespace changes
Inline
Side-by-side
Showing
2 changed files
with
47 additions
and
0 deletions
+47
-0
hide_api.h
hooklib/src/main/cpp/includes/hide_api.h
+2
-0
hide_api.cpp
hooklib/src/main/cpp/utils/hide_api.cpp
+45
-0
No files found.
hooklib/src/main/cpp/includes/hide_api.h
View file @
14327145
...
...
@@ -17,6 +17,8 @@ extern "C" {
void
suspendVM
();
void
resumeVM
();
jobject
getJavaObject
(
JNIEnv
*
env
,
void
*
thread
,
void
*
address
);
}
#endif //SANDHOOK_HIDE_API_H
hooklib/src/main/cpp/utils/hide_api.cpp
View file @
14327145
...
...
@@ -15,6 +15,9 @@ extern "C" {
void
(
*
innerSuspendVM
)()
=
nullptr
;
void
(
*
innerResumeVM
)()
=
nullptr
;
jobject
(
*
addWeakGlobalRef
)(
JavaVM
*
,
void
*
,
void
*
)
=
nullptr
;
void
initHideApi
(
JNIEnv
*
env
)
{
//init compile
...
...
@@ -47,6 +50,29 @@ extern "C" {
"_ZN3art3Dbg8ResumeVMEv"
));
}
}
//init for getObject
if
(
SDK_INT
<
23
)
{
void
*
handle
=
dlopen
(
"libart.so"
,
RTLD_LAZY
|
RTLD_GLOBAL
);
addWeakGlobalRef
=
(
jobject
(
*
)(
JavaVM
*
,
void
*
,
void
*
))
dlsym
(
handle
,
"_ZN3art9JavaVMExt22AddWeakGlobalReferenceEPNS_6ThreadEPNS_6mirror6ObjectE"
);
}
else
if
(
SDK_INT
<
24
)
{
void
*
handle
=
dlopen
(
"libart.so"
,
RTLD_LAZY
|
RTLD_GLOBAL
);
addWeakGlobalRef
=
(
jobject
(
*
)(
JavaVM
*
,
void
*
,
void
*
))
dlsym
(
handle
,
"_ZN3art9JavaVMExt16AddWeakGlobalRefEPNS_6ThreadEPNS_6mirror6ObjectE"
);
}
else
{
void
*
handle
;
if
(
sizeof
(
void
*
)
==
8
)
{
handle
=
fake_dlopen
(
"/system/lib64/libart.so"
,
RTLD_NOW
);
}
else
{
handle
=
fake_dlopen
(
"/system/lib/libart.so"
,
RTLD_NOW
);
}
const
char
*
addWeakGloablReferenceSymbol
=
SDK_INT
<=
25
?
"_ZN3art9JavaVMExt16AddWeakGlobalRefEPNS_6ThreadEPNS_6mirror6ObjectE"
:
"_ZN3art9JavaVMExt16AddWeakGlobalRefEPNS_6ThreadENS_6ObjPtrINS_6mirror6ObjectEEE"
;
addWeakGlobalRef
=
(
jobject
(
*
)(
JavaVM
*
,
void
*
,
void
*
))
fake_dlsym
(
handle
,
addWeakGloablReferenceSymbol
);
}
}
bool
compileMethod
(
void
*
artMethod
,
void
*
thread
)
{
...
...
@@ -68,5 +94,24 @@ extern "C" {
innerResumeVM
();
}
jobject
getJavaObject
(
JNIEnv
*
env
,
void
*
thread
,
void
*
address
)
{
if
(
addWeakGlobalRef
==
nullptr
)
return
NULL
;
JavaVM
*
vm
;
env
->
GetJavaVM
(
&
vm
);
jobject
object
=
addWeakGlobalRef
(
vm
,
thread
,
address
);
if
(
object
==
NULL
)
return
NULL
;
jobject
result
=
env
->
NewLocalRef
(
object
);
env
->
DeleteWeakGlobalRef
(
object
);
return
result
;
}
}
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