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Fix is_greylisted check in case of an absolute path 

Some apps are explicitly calling System.loadLibrary(.)
for internal platform libraries like cutils.

Bug: http://b/27100558
Change-Id: I765cf3fc542778d3b487069c9955d367840b3c05
This commit is contained in:
Dimitry Ivanov 2016-02-12 13:33:19 -08:00
parent 535c5992d6
commit b8e3769067
1 changed files with 14 additions and 0 deletions
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14
linker/linker.cpp
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@ -163,6 +163,14 @@ static bool is_system_library(const std::string& realpath) {
}
// TODO(dimitry): This is workaround for http://b/26394120 - it will be removed before the release
#if defined(__LP64__)
static const char* const kSystemLibDir = "/system/lib64";
#else
static const char* const kSystemLibDir = "/system/lib";
#endif
static std::string dirname(const char *path);
static bool is_greylisted(const char* name, const soinfo* needed_by) {
static const char* const kLibraryGreyList[] = {
"libandroid_runtime.so",
@ -191,6 +199,12 @@ static bool is_greylisted(const char* name, const soinfo* needed_by) {
return true;
}
// if this is an absolute path - make sure it points to /system/lib(64)
if (name[0] == '/' && dirname(name) == kSystemLibDir) {
// and reduce the path to basename
name = basename(name);
}
for (size_t i = 0; kLibraryGreyList[i] != nullptr; ++i) {
if (strcmp(name, kLibraryGreyList[i]) == 0) {
return true;