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android_system_core
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Chmod for existing nodes which mode not the same as ueventd.rc 

Change-Id: I5b0a918d4085b55daff5be1f4fc4496fabfb4cce
This commit is contained in:
zexin.hou 2022-04-14 16:08:17 +08:00
parent ee711eda88
commit 76cba8a16a
1 changed files with 7 additions and 2 deletions
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9
init/devices.cpp
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@ -307,8 +307,8 @@ void DeviceHandler::MakeDevice(const std::string& path, bool block, int major, i
PLOG(ERROR) << "setegid(" << gid << ") for " << path << " device failed";
goto out;
}
/* If the node already exists update its SELinux label to handle cases when
* it was created with the wrong context during coldboot procedure. */
/* If the node already exists update its SELinux label and the file mode to handle cases when
* it was created with the wrong context and file mode during coldboot procedure. */
if (mknod(path.c_str(), mode, dev) && (errno == EEXIST) && !secontext.empty()) {
char* fcon = nullptr;
int rc = lgetfilecon(path.c_str(), &fcon);
@ -330,6 +330,11 @@ void DeviceHandler::MakeDevice(const std::string& path, bool block, int major, i
if (gid != s.st_gid) {
new_group = gid;
}
if (mode != s.st_mode) {
if (chmod(path.c_str(), mode) != 0) {
PLOG(ERROR) << "Cannot chmod " << path << " to " << mode;
}
}
} else {
PLOG(ERROR) << "Cannot stat " << path;
}