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selftest: af_unix: Test SO_PASSRIGHTS.

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scm_rights.c has various patterns of tests to exercise GC.

Let's add cases where SO_PASSRIGHTS is disabled.

Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Kuniyuki Iwashima
2025-05-19 13:58:00 -07:00
committed by David S. Miller
parent 77cbe1a6d8
commit 431e2b874e
1 changed files with 78 additions and 2 deletions
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80
tools/testing/selftests/net/af_unix/scm_rights.c
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@@ -23,6 +23,7 @@ FIXTURE_VARIANT(scm_rights)
int type;
int flags;
bool test_listener;
bool disabled;
};
FIXTURE_VARIANT_ADD(scm_rights, dgram)
@@ -31,6 +32,16 @@ FIXTURE_VARIANT_ADD(scm_rights, dgram)
.type = SOCK_DGRAM,
.flags = 0,
.test_listener = false,
.disabled = false,
};
FIXTURE_VARIANT_ADD(scm_rights, dgram_disabled)
{
.name = "UNIX ",
.type = SOCK_DGRAM,
.flags = 0,
.test_listener = false,
.disabled = true,
};
FIXTURE_VARIANT_ADD(scm_rights, stream)
@@ -39,6 +50,16 @@ FIXTURE_VARIANT_ADD(scm_rights, stream)
.type = SOCK_STREAM,
.flags = 0,
.test_listener = false,
.disabled = false,
};
FIXTURE_VARIANT_ADD(scm_rights, stream_disabled)
{
.name = "UNIX-STREAM ",
.type = SOCK_STREAM,
.flags = 0,
.test_listener = false,
.disabled = true,
};
FIXTURE_VARIANT_ADD(scm_rights, stream_oob)
@@ -47,6 +68,16 @@ FIXTURE_VARIANT_ADD(scm_rights, stream_oob)
.type = SOCK_STREAM,
.flags = MSG_OOB,
.test_listener = false,
.disabled = false,
};
FIXTURE_VARIANT_ADD(scm_rights, stream_oob_disabled)
{
.name = "UNIX-STREAM ",
.type = SOCK_STREAM,
.flags = MSG_OOB,
.test_listener = false,
.disabled = true,
};
FIXTURE_VARIANT_ADD(scm_rights, stream_listener)
@@ -55,6 +86,16 @@ FIXTURE_VARIANT_ADD(scm_rights, stream_listener)
.type = SOCK_STREAM,
.flags = 0,
.test_listener = true,
.disabled = false,
};
FIXTURE_VARIANT_ADD(scm_rights, stream_listener_disabled)
{
.name = "UNIX-STREAM ",
.type = SOCK_STREAM,
.flags = 0,
.test_listener = true,
.disabled = true,
};
FIXTURE_VARIANT_ADD(scm_rights, stream_listener_oob)
@@ -63,6 +104,16 @@ FIXTURE_VARIANT_ADD(scm_rights, stream_listener_oob)
.type = SOCK_STREAM,
.flags = MSG_OOB,
.test_listener = true,
.disabled = false,
};
FIXTURE_VARIANT_ADD(scm_rights, stream_listener_oob_disabled)
{
.name = "UNIX-STREAM ",
.type = SOCK_STREAM,
.flags = MSG_OOB,
.test_listener = true,
.disabled = true,
};
static int count_sockets(struct __test_metadata *_metadata,
@@ -105,6 +156,9 @@ FIXTURE_SETUP(scm_rights)
ret = unshare(CLONE_NEWNET);
ASSERT_EQ(0, ret);
if (variant->disabled)
return;
ret = count_sockets(_metadata, variant);
ASSERT_EQ(0, ret);
}
@@ -113,6 +167,9 @@ FIXTURE_TEARDOWN(scm_rights)
{
int ret;
if (variant->disabled)
return;
sleep(1);
ret = count_sockets(_metadata, variant);
@@ -121,6 +178,7 @@ FIXTURE_TEARDOWN(scm_rights)
static void create_listeners(struct __test_metadata *_metadata,
FIXTURE_DATA(scm_rights) *self,
const FIXTURE_VARIANT(scm_rights) *variant,
int n)
{
struct sockaddr_un addr = {
@@ -140,6 +198,12 @@ static void create_listeners(struct __test_metadata *_metadata,
ret = listen(self->fd[i], -1);
ASSERT_EQ(0, ret);
if (variant->disabled) {
ret = setsockopt(self->fd[i], SOL_SOCKET, SO_PASSRIGHTS,
&(int){0}, sizeof(int));
ASSERT_EQ(0, ret);
}
addrlen = sizeof(addr);
ret = getsockname(self->fd[i], (struct sockaddr *)&addr, &addrlen);
ASSERT_EQ(0, ret);
@@ -164,6 +228,12 @@ static void create_socketpairs(struct __test_metadata *_metadata,
for (i = 0; i < n * 2; i += 2) {
ret = socketpair(AF_UNIX, variant->type, 0, self->fd + i);
ASSERT_EQ(0, ret);
if (variant->disabled) {
ret = setsockopt(self->fd[i], SOL_SOCKET, SO_PASSRIGHTS,
&(int){0}, sizeof(int));
ASSERT_EQ(0, ret);
}
}
}
@@ -175,7 +245,7 @@ static void __create_sockets(struct __test_metadata *_metadata,
ASSERT_LE(n * 2, sizeof(self->fd) / sizeof(self->fd[0]));
if (variant->test_listener)
create_listeners(_metadata, self, n);
create_listeners(_metadata, self, variant, n);
else
create_socketpairs(_metadata, self, variant, n);
}
@@ -230,7 +300,13 @@ void __send_fd(struct __test_metadata *_metadata,
int ret;
ret = sendmsg(self->fd[receiver * 2 + 1], &msg, variant->flags);
ASSERT_EQ(MSGLEN, ret);
if (variant->disabled) {
ASSERT_EQ(-1, ret);
ASSERT_EQ(-EPERM, -errno);
} else {
ASSERT_EQ(MSGLEN, ret);
}
}
#define create_sockets(n) \