tequilaOS/platform_system_core
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Merge "Check setegid() return values"

Browse source
This commit is contained in:
Treehugger Robot 2017-02-24 00:55:36 +00:00 committed by Gerrit Code Review
commit 0d24c8f852
1 changed files with 7 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
init/devices.cpp
View file

@ -251,7 +251,10 @@ static void make_device(const char *path,
* some device nodes, so the uid has to be set with chown() and is still
* racy. Fixing the gid race at least fixed the issue with system_server
* opening dynamic input devices under the AID_INPUT gid. */
setegid(gid);
if (setegid(gid)) {
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 (mknod(path, mode, dev) && (errno == EEXIST) && secontext) {
@ -273,7 +276,9 @@ static void make_device(const char *path,
out:
chown(path, uid, -1);
setegid(AID_ROOT);
if (setegid(AID_ROOT)) {
PLOG(FATAL) << "setegid(AID_ROOT) failed";
}
if (secontext) {
freecon(secontext);