--- /dev/null
+//
+// ssl-51-state.c
+// libsecurity_ssl
+//
+
+#include <stdbool.h>
+#include <pthread.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <unistd.h>
+
+#include <CoreFoundation/CoreFoundation.h>
+
+#include <AssertMacros.h>
+#include <Security/SecureTransportPriv.h> /* SSLSetOption */
+#include <Security/SecureTransport.h>
+#include <Security/SecPolicy.h>
+#include <Security/SecTrust.h>
+#include <Security/SecIdentity.h>
+#include <Security/SecIdentityPriv.h>
+#include <Security/SecCertificatePriv.h>
+#include <Security/SecKeyPriv.h>
+#include <Security/SecItem.h>
+#include <Security/SecRandom.h>
+
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <mach/mach_time.h>
+
+#if TARGET_OS_IPHONE
+#include <Security/SecRSAKey.h>
+#endif
+
+#include "ssl_regressions.h"
+#include "ssl-utils.h"
+
+#include <tls_stream_parser.h>
+#include <tls_handshake.h>
+#include <tls_record.h>
+
+#include <sys/queue.h>
+
+
+#define test_printf(x...)
+
+/* extern struct ccrng_state *ccDRBGGetRngState(); */
+#include <CommonCrypto/CommonRandomSPI.h>
+#define CCRNGSTATE ccDRBGGetRngState()
+
+struct RecQueueItem {
+ STAILQ_ENTRY(RecQueueItem) next; /* link to next queued entry or NULL */
+ tls_buffer record;
+ size_t offset; /* byte reads from this one */
+};
+
+typedef struct {
+ SSLContextRef st;
+ tls_stream_parser_t parser;
+ tls_record_t record;
+ tls_handshake_t hdsk;
+ STAILQ_HEAD(, RecQueueItem) rec_queue; // coretls server queue packet in this queue
+ int ready_count;
+} ssl_test_handle;
+
+
+static
+int tls_buffer_alloc(tls_buffer *buf, size_t length)
+{
+ buf->data = malloc(length);
+ if(!buf->data) return -ENOMEM;
+ buf->length = length;
+ return 0;
+}
+
+static
+int tls_buffer_free(tls_buffer *buf)
+{
+ free(buf->data);
+ buf->data = NULL;
+ buf->length = 0;
+ return 0;
+}
+
+#pragma mark -
+#pragma mark SecureTransport support
+
+#if 0
+static void hexdump(const char *s, const uint8_t *bytes, size_t len) {
+ size_t ix;
+ printf("socket %s(%p, %lu)\n", s, bytes, len);
+ for (ix = 0; ix < len; ++ix) {
+ if (!(ix % 16))
+ printf("\n");
+ printf("%02X ", bytes[ix]);
+ }
+ printf("\n");
+}
+#else
+#define hexdump(string, bytes, len)
+#endif
+
+static OSStatus SocketWrite(SSLConnectionRef h, const void *data, size_t *length)
+{
+ ssl_test_handle *handle =(ssl_test_handle *)h;
+
+ size_t len = *length;
+ uint8_t *ptr = (uint8_t *)data;
+
+ tls_buffer buffer;
+ buffer.data = ptr;
+ buffer.length = len;
+ return tls_stream_parser_parse(handle->parser, buffer);
+}
+
+static OSStatus SocketRead(SSLConnectionRef h, void *data, size_t *length)
+{
+ ssl_test_handle *handle =(ssl_test_handle *)h;
+
+ test_printf("%s: %p requesting len=%zd\n", __FUNCTION__, h, *length);
+
+ struct RecQueueItem *item = STAILQ_FIRST(&handle->rec_queue);
+
+ if(item==NULL) {
+ test_printf("%s: %p no data available\n", __FUNCTION__, h);
+ return errSSLWouldBlock;
+ }
+
+ size_t avail = item->record.length - item->offset;
+
+ test_printf("%s: %p %zd bytes available in %p\n", __FUNCTION__, h, avail, item);
+
+ if(avail > *length) {
+ memcpy(data, item->record.data+item->offset, *length);
+ item->offset += *length;
+ } else {
+ memcpy(data, item->record.data+item->offset, avail);
+ *length = avail;
+ STAILQ_REMOVE_HEAD(&handle->rec_queue, next);
+ tls_buffer_free(&item->record);
+ free(item);
+ }
+
+ test_printf("%s: %p %zd bytes read\n", __FUNCTION__, h, *length);
+
+
+ return 0;
+}
+
+static int process(tls_stream_parser_ctx_t ctx, tls_buffer record)
+{
+ ssl_test_handle *h = (ssl_test_handle *)ctx;
+ tls_buffer decrypted;
+ uint8_t ct;
+ int err;
+
+ test_printf("%s: %p processing %zd bytes\n", __FUNCTION__, ctx, record.length);
+
+
+ decrypted.length = tls_record_decrypted_size(h->record, record.length);
+ decrypted.data = malloc(decrypted.length);
+
+ require_action(decrypted.data, errOut, err=-ENOMEM);
+ require_noerr((err=tls_record_decrypt(h->record, record, &decrypted, &ct)), errOut);
+
+ test_printf("%s: %p decrypted %zd bytes, ct=%d\n", __FUNCTION__, ctx, decrypted.length, ct);
+
+ err=tls_handshake_process(h->hdsk, decrypted, ct);
+
+ test_printf("%s: %p processed, err=%d\n", __FUNCTION__, ctx, err);
+
+errOut:
+ return err;
+}
+
+static int
+tls_handshake_write_callback(tls_handshake_ctx_t ctx, const tls_buffer data, uint8_t content_type)
+{
+ int err = 0;
+ ssl_test_handle *handle = (ssl_test_handle *)ctx;
+
+ test_printf("%s: %p writing data ct=%d, len=%zd\n", __FUNCTION__, ctx, content_type, data.length);
+
+ struct RecQueueItem *item = malloc(sizeof(struct RecQueueItem));
+ require_action(item, errOut, err=-ENOMEM);
+
+ err=tls_buffer_alloc(&item->record, tls_record_encrypted_size(handle->record, content_type, data.length));
+ require_noerr(err, errOut);
+
+ err=tls_record_encrypt(handle->record, data, content_type, &item->record);
+ require_noerr(err, errOut);
+
+ item->offset = 0;
+
+ test_printf("%s: %p queing %zd encrypted bytes, item=%p\n", __FUNCTION__, ctx, item->record.length, item);
+
+ STAILQ_INSERT_TAIL(&handle->rec_queue, item, next);
+
+ return 0;
+
+errOut:
+ if(item) {
+ tls_buffer_free(&item->record);
+ free(item);
+ }
+ return err;
+}
+
+
+static int
+tls_handshake_message_callback(tls_handshake_ctx_t ctx, tls_handshake_message_t event)
+{
+ ssl_test_handle __unused *handle = (ssl_test_handle *)ctx;
+
+ test_printf("%s: %p event = %d\n", __FUNCTION__, handle, event);
+
+ int err = 0;
+
+ return err;
+}
+
+
+
+static uint8_t appdata[] = "appdata";
+
+tls_buffer appdata_buffer = {
+ .data = appdata,
+ .length = sizeof(appdata),
+};
+
+
+static void
+tls_handshake_ready_callback(tls_handshake_ctx_t ctx, bool write, bool ready)
+{
+ ssl_test_handle *handle = (ssl_test_handle *)ctx;
+
+ test_printf("%s: %p %s ready=%d\n", __FUNCTION__, handle, write?"write":"read", ready);
+
+ if(ready) {
+ if(write) {
+ if(handle->ready_count == 0) {
+ tls_handshake_request_renegotiation(handle->hdsk);
+ } else {
+ tls_handshake_write_callback(ctx, appdata_buffer, tls_record_type_AppData);
+ }
+ handle->ready_count++;;
+ }
+ }
+}
+
+static int
+tls_handshake_set_retransmit_timer_callback(tls_handshake_ctx_t ctx, int attempt)
+{
+ ssl_test_handle __unused *handle = (ssl_test_handle *)ctx;
+
+ test_printf("%s: %p attempt = %d\n", __FUNCTION__, handle, attempt);
+
+ return -1;
+}
+
+static
+int mySSLRecordInitPendingCiphersFunc(tls_handshake_ctx_t ref,
+ uint16_t selectedCipher,
+ bool server,
+ tls_buffer key)
+{
+ ssl_test_handle *handle = (ssl_test_handle *)ref;
+
+ test_printf("%s: %p, cipher=%04x, server=%d\n", __FUNCTION__, ref, selectedCipher, server);
+ return tls_record_init_pending_ciphers(handle->record, selectedCipher, server, key);
+}
+
+static
+int mySSLRecordAdvanceWriteCipherFunc(tls_handshake_ctx_t ref)
+{
+ ssl_test_handle *handle = (ssl_test_handle *)ref;
+ test_printf("%s: %p\n", __FUNCTION__, ref);
+ return tls_record_advance_write_cipher(handle->record);
+}
+
+static
+int mySSLRecordRollbackWriteCipherFunc(tls_handshake_ctx_t ref)
+{
+ ssl_test_handle *handle = (ssl_test_handle *)ref;
+ test_printf("%s: %p\n", __FUNCTION__, ref);
+ return tls_record_rollback_write_cipher(handle->record);
+}
+
+static
+int mySSLRecordAdvanceReadCipherFunc(tls_handshake_ctx_t ref)
+{
+ ssl_test_handle *handle = (ssl_test_handle *)ref;
+ test_printf("%s: %p\n", __FUNCTION__, ref);
+ return tls_record_advance_read_cipher(handle->record);
+}
+
+static
+int mySSLRecordSetProtocolVersionFunc(tls_handshake_ctx_t ref,
+ tls_protocol_version protocolVersion)
+{
+ ssl_test_handle *handle = (ssl_test_handle *)ref;
+ test_printf("%s: %p, version=%04x\n", __FUNCTION__, ref, protocolVersion);
+ return tls_record_set_protocol_version(handle->record, protocolVersion);
+}
+
+
+static int
+tls_handshake_save_session_data_callback(tls_handshake_ctx_t ctx, tls_buffer sessionKey, tls_buffer sessionData)
+{
+ ssl_test_handle __unused *handle = (ssl_test_handle *)ctx;
+
+ test_printf("%s: %p\n", __FUNCTION__, handle);
+
+ return -1;
+}
+
+static int
+tls_handshake_load_session_data_callback(tls_handshake_ctx_t ctx, tls_buffer sessionKey, tls_buffer *sessionData)
+{
+ ssl_test_handle __unused *handle = (ssl_test_handle *)ctx;
+
+ test_printf("%s: %p\n", __FUNCTION__, handle);
+
+ return -1;
+}
+
+static int
+tls_handshake_delete_session_data_callback(tls_handshake_ctx_t ctx, tls_buffer sessionKey)
+{
+ ssl_test_handle __unused *handle = (ssl_test_handle *)ctx;
+
+ test_printf("%s: %p\n", __FUNCTION__, handle);
+
+ return -1;
+}
+
+static int
+tls_handshake_delete_all_sessions_callback(tls_handshake_ctx_t ctx)
+{
+ ssl_test_handle __unused *handle = (ssl_test_handle *)ctx;
+
+ test_printf("%s: %p\n", __FUNCTION__, handle);
+
+ return -1;
+}
+
+/* TLS callbacks */
+tls_handshake_callbacks_t tls_handshake_callbacks = {
+ .write = tls_handshake_write_callback,
+ .message = tls_handshake_message_callback,
+ .ready = tls_handshake_ready_callback,
+ .set_retransmit_timer = tls_handshake_set_retransmit_timer_callback,
+ .init_pending_cipher = mySSLRecordInitPendingCiphersFunc,
+ .advance_write_cipher = mySSLRecordAdvanceWriteCipherFunc,
+ .rollback_write_cipher = mySSLRecordRollbackWriteCipherFunc,
+ .advance_read_cipher = mySSLRecordAdvanceReadCipherFunc,
+ .set_protocol_version = mySSLRecordSetProtocolVersionFunc,
+ .load_session_data = tls_handshake_load_session_data_callback,
+ .save_session_data = tls_handshake_save_session_data_callback,
+ .delete_session_data = tls_handshake_delete_session_data_callback,
+ .delete_all_sessions = tls_handshake_delete_all_sessions_callback,
+};
+
+
+static void
+ssl_test_handle_destroy(ssl_test_handle *handle)
+{
+ if(handle) {
+ if(handle->parser) tls_stream_parser_destroy(handle->parser);
+ if(handle->record) tls_record_destroy(handle->record);
+ if(handle->hdsk) tls_handshake_destroy(handle->hdsk);
+ if(handle->st) CFRelease(handle->st);
+ free(handle);
+ }
+}
+
+static uint16_t ciphers[] = {
+ TLS_PSK_WITH_AES_128_CBC_SHA,
+};
+static int nciphers = sizeof(ciphers)/sizeof(ciphers[0]);
+
+static SSLCipherSuite ciphersuites[] = {
+ TLS_PSK_WITH_AES_128_CBC_SHA,
+};
+static int nciphersuites = sizeof(ciphersuites)/sizeof(ciphersuites[0]);
+
+
+
+static uint8_t shared_secret[] = "secret";
+
+tls_buffer psk_secret = {
+ .data = shared_secret,
+ .length = sizeof(shared_secret),
+};
+
+static ssl_test_handle *
+ssl_test_handle_create(bool server)
+{
+ ssl_test_handle *handle = calloc(1, sizeof(ssl_test_handle));
+ SSLContextRef ctx = SSLCreateContext(kCFAllocatorDefault, server?kSSLServerSide:kSSLClientSide, kSSLStreamType);
+
+ require(handle, out);
+ require(ctx, out);
+
+ require_noerr(SSLSetIOFuncs(ctx, (SSLReadFunc)SocketRead, (SSLWriteFunc)SocketWrite), out);
+ require_noerr(SSLSetConnection(ctx, (SSLConnectionRef)handle), out);
+ require_noerr(SSLSetSessionOption(ctx, kSSLSessionOptionBreakOnServerAuth, true), out);
+ require_noerr(SSLSetEnabledCiphers(ctx, ciphersuites, nciphersuites), out);
+ require_noerr(SSLSetPSKSharedSecret(ctx, shared_secret, sizeof(shared_secret)), out);
+
+ handle->st = ctx;
+ handle->parser = tls_stream_parser_create(handle, process);
+ handle->record = tls_record_create(false, CCRNGSTATE);
+ handle->hdsk = tls_handshake_create(false, true); // server.
+
+ require_noerr(tls_handshake_set_ciphersuites(handle->hdsk, ciphers, nciphers), out);
+ require_noerr(tls_handshake_set_callbacks(handle->hdsk, &tls_handshake_callbacks, handle), out);
+ require_noerr(tls_handshake_set_psk_secret(handle->hdsk, &psk_secret), out);
+ require_noerr(tls_handshake_set_renegotiation(handle->hdsk, true), out);
+
+ // Initialize the record queue
+ STAILQ_INIT(&handle->rec_queue);
+
+ return handle;
+
+out:
+ if (handle) free(handle);
+ if (ctx) CFRelease(ctx);
+ return NULL;
+}
+
+static void
+tests(void)
+{
+ OSStatus ortn;
+
+ ssl_test_handle *client;
+ SSLSessionState state;
+
+ client = ssl_test_handle_create(false);
+
+ require_action(client, out, ortn = -1);
+
+ ortn = SSLGetSessionState(client->st, &state);
+ require_noerr(ortn, out);
+ is(state, kSSLIdle, "State should be Idle");
+
+ do {
+ ortn = SSLHandshake(client->st);
+
+ require_noerr(ortn = SSLGetSessionState(client->st, &state), out);
+ test_printf("SSLHandshake returned err=%d\n", (int)ortn);
+
+ if (ortn == errSSLPeerAuthCompleted || ortn == errSSLWouldBlock)
+ {
+ require_action(state==kSSLHandshake, out, ortn = -1);
+ }
+
+ } while(ortn==errSSLWouldBlock ||
+ ortn==errSSLPeerAuthCompleted);
+
+
+ is(ortn, 0, "Unexpected SSLHandshake exit code");
+ is(state, kSSLConnected, "State should be Connected");
+
+ uint8_t buffer[128];
+ size_t available = 0;
+
+ test_printf("Initial handshake done\n");
+
+ do {
+ ortn = SSLRead(client->st, buffer, sizeof(buffer), &available);
+ require_noerr(ortn = SSLGetSessionState(client->st, &state), out);
+
+ test_printf("SSLRead returned err=%d, avail=%zd\n", (int)ortn, available);
+ if (ortn == errSSLPeerAuthCompleted)
+ {
+ require_action(state==kSSLHandshake, out, ortn = -1);
+ }
+
+ } while(available==0);
+
+ is(ortn, 0, "Unexpected SSLRead exit code");
+ is(state, kSSLConnected, "State should be Connected");
+
+
+out:
+ is(ortn, 0, "Final result is non zero");
+ ssl_test_handle_destroy(client);
+
+}
+
+int ssl_51_state(int argc, char *const *argv)
+{
+
+ plan_tests(6);
+
+ tests();
+
+ return 0;
+}
projects / apple / security.git / blobdiff