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Add permission, char device, and uid checks. 

Change-Id: I8307bfb390a56424aaa651285a218aad277c4aed
This commit is contained in:
Kevin Krakauer 2019-07-12 15:16:01 -07:00
parent ddef7f8078
commit 6ebb925acd
1 changed files with 4 additions and 0 deletions
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4
test/syscalls/linux/dev.cc
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@ -148,6 +148,10 @@ TEST(DevTest, WriteDevFull) {
TEST(DevTest, TTYExists) {
struct stat statbuf = {};
ASSERT_THAT(stat("/dev/tty", &statbuf), SyscallSucceeds());
// Check that it's a character device with rw-rw-rw- permissions.
EXPECT_EQ(statbuf.st_mode, S_IFCHR | 0666);
// Check that it's owned by root.
EXPECT_EQ(statbuf.st_uid, 0);
}
} // namespace