ACPR/android_system_core
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Only check caller when deriving permissions.

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Bug: 10547597
Change-Id: Ied909f9047c2567e93dde0f4658d6e4b9ff161ab
This commit is contained in:
Jeff Sharkey 2013-08-30 13:58:13 -07:00
parent aa04e818a4
commit 39ff0ae0f6
1 changed files with 5 additions and 0 deletions
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5
sdcard/sdcard.c
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@ -488,6 +488,11 @@ static void derive_permissions_locked(struct fuse* fuse, struct node *parent,
/* Return if the calling UID holds sdcard_rw. */
static bool get_caller_has_rw_locked(struct fuse* fuse, const struct fuse_in_header *hdr) {
/* No additional permissions enforcement */
if (fuse->derive == DERIVE_NONE) {
return true;
}
appid_t appid = multiuser_get_app_id(hdr->uid);
return hashmapContainsKey(fuse->appid_with_rw, (void*) appid);
}