Merge \\"ueventd: only relabel devices if there\\'s a delta\\" am: 95428817d6

am: 807fa4bd5c

Change-Id: I41a8c02332ae12dc1c4fbc9c45ee627a37ce6b77
This commit is contained in:
William Roberts 2016-06-09 19:18:40 +00:00 committed by android-build-merger
commit 787468260d
1 changed files with 15 additions and 1 deletions

View File

@ -257,11 +257,25 @@ static void make_device(const char *path,
/* If the node already exists update its SELinux label to handle cases when
* it was created with the wrong context during coldboot procedure. */
if (mknod(path, mode, dev) && (errno == EEXIST)) {
if (lsetfilecon(path, secontext)) {
char* fcon = nullptr;
int rc = lgetfilecon(path, &fcon);
if (rc < 0) {
ERROR("Cannot get SELinux label on '%s' device (%s)\n",
path, strerror(errno));
goto out;
}
bool different = strcmp(fcon, secontext) != 0;
freecon(fcon);
if (different && lsetfilecon(path, secontext)) {
ERROR("Cannot set '%s' SELinux label on '%s' device (%s)\n",
secontext, path, strerror(errno));
}
}
out:
chown(path, uid, -1);
setegid(AID_ROOT);