oap_client: reject all messages in disabled/uninitialized state
Fixes the bug indicated in oap_client_test.c: adjust to actually expect the proper behavior. Also adjust for modified return value for message rejection. Instead of -1, just expect < 0. Adjust experr for new error messages. Related: OS#1592 Change-Id: I16165d228653e8a2689f9df94b77b470c06480c6
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3cbc052101
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@ -155,6 +155,7 @@ static int gsup_client_oap_handle(struct gsup_client *gsupc, struct msgb *msg_rx
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int rc;
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struct msgb *msg_tx;
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/* If the oap_state is disabled, this will reject the messages. */
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rc = oap_client_handle(&gsupc->oap_state, msg_rx, &msg_tx);
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msgb_free(msg_rx);
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if (rc < 0)
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@ -21,6 +21,7 @@
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*/
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#include <string.h>
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#include <errno.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/crypt/auth.h>
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@ -224,6 +225,21 @@ int oap_client_handle(struct oap_client_state *state,
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return -10;
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}
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switch (state->state) {
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case OAP_UNINITIALIZED:
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LOGP(DLOAP, LOGL_ERROR,
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"Received OAP message %d, but the OAP client is"
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" not initialized\n", oap_msg.message_type);
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return -ENOTCONN;
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case OAP_DISABLED:
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LOGP(DLOAP, LOGL_ERROR,
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"Received OAP message %d, but the OAP client is"
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" disabled\n", oap_msg.message_type);
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return -ENOTCONN;
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default:
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break;
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}
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switch (oap_msg.message_type) {
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case OAP_MSGT_CHALLENGE_REQUEST:
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return handle_challenge(state, &oap_msg, msg_tx);
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@ -52,19 +52,15 @@ static void test_oap_api(void)
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fprintf(stderr, "- make sure filling with zeros means uninitialized\n");
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OSMO_ASSERT(state->state == OAP_UNINITIALIZED);
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fprintf(stderr, "- reject messages in uninitialized state EXPECTING BUGS\n");
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fprintf(stderr, "- reject messages in uninitialized state\n");
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memset(&oap_rx, 0, sizeof(oap_rx));
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state->client_id = 1;
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oap_rx.message_type = OAP_MSGT_REGISTER_ERROR;
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msg_rx = oap_client_encoded(&oap_rx);
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/* ATTENTION: This shows a bug in OAP: the rc should be < 0, but OAP
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* happily accepts this message and breaks the uninitialized state. The
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* expected rc, state and msg_tx will be fixed along with the fix. */
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OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) == 0 /* BUG, expecting < 0 */);
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OSMO_ASSERT(state->state == OAP_REQUESTED_CHALLENGE /* BUG, expecting OAP_UNINITIALIZED */);
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OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) < 0);
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OSMO_ASSERT(state->state == OAP_UNINITIALIZED);
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msgb_free(msg_rx);
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OSMO_ASSERT(msg_tx /* BUG, expecting NULL */);
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msgb_free(msg_tx);
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OSMO_ASSERT(!msg_tx);
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fprintf(stderr, "- reject messages in disabled state\n");
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memset(state, 0, sizeof(*state));
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@ -73,14 +69,10 @@ static void test_oap_api(void)
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state->client_id = 1;
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oap_rx.message_type = OAP_MSGT_REGISTER_ERROR;
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msg_rx = oap_client_encoded(&oap_rx);
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/* ATTENTION: This shows a bug in OAP: the rc should be < 0, but OAP
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* happily accepts this message and breaks the uninitialized state. The
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* expected rc, state and msg_tx will be fixed along with the fix. */
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OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) == 0 /* BUG, expecting < 0 */);
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OSMO_ASSERT(state->state == OAP_REQUESTED_CHALLENGE /* BUG, expecting OAP_DISABLED */);
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OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) < 0);
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OSMO_ASSERT(state->state == OAP_DISABLED);
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msgb_free(msg_rx);
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OSMO_ASSERT(msg_tx /* BUG, expecting NULL */);
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msgb_free(msg_tx);
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OSMO_ASSERT(!msg_tx);
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fprintf(stderr, "- invalid client_id and shared secret\n");
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memset(state, 0, sizeof(*state));
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@ -180,11 +172,11 @@ static void test_oap_api(void)
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OSMO_ASSERT(state->state == OAP_INITIALIZED);
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state->state = OAP_UNINITIALIZED;
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OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) == -1);
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OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) < 0);
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OSMO_ASSERT(!msg_tx);
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state->state = OAP_DISABLED;
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OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) == -1);
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OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) < 0);
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OSMO_ASSERT(!msg_tx);
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state->state = OAP_INITIALIZED;
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@ -1,8 +1,8 @@
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- make sure filling with zeros means uninitialized
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- reject messages in uninitialized state EXPECTING BUGS
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DLOAP OAP registration failed
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- reject messages in uninitialized state
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DLOAP Received OAP message 5, but the OAP client is not initialized
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- reject messages in disabled state
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DLOAP OAP registration failed
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DLOAP Received OAP message 5, but the OAP client is disabled
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- invalid client_id and shared secret
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- reset state
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- only client_id is invalid
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@ -23,6 +23,8 @@ DLOAP OAP: AUTN from server: dec4e3848a33000086781158ca40f136
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DLOAP OAP: AUTN expected: cec4e3848a33000086781158ca40f136
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- all data correct
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- but refuse to evaluate in uninitialized state
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DLOAP Received OAP message 8, but the OAP client is not initialized
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DLOAP Received OAP message 8, but the OAP client is disabled
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- now everything is correct
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- Expect the challenge response in msg_tx
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- Receive registration error for the first time.
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