ServiceRegistration/srp-tls.h

   1 /* srp-tls.h
   2  *
   3  * Copyright (c) 2019 Apple Computer, Inc. All rights reserved.
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *     http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  *
  17  * TLS Shim definitions.   These entry points should in principle work for any TLS
  18  * library, with the addition of a single shim file, for example tls-mbedtls.c.
  19  */
  20
  21 #ifndef __SRP_TLS_H
  22 #define __SRP_TLS_H
  23 // Anonymous key structure, depends on the target.
  24 typedef struct srp_key srp_key_t;
  25
  26 #ifdef SRP_CRYPTO_MBEDTLS_INTERNAL
  27 #include <mbedtls/certs.h>
  28 #include <mbedtls/x509.h>
  29 #include <mbedtls/ssl.h>
  30
  31 struct tls_context {
  32     struct mbedtls_ssl_context context;
  33     enum { handshake_in_progress, handshake_complete } state;
  34 };
  35 #endif // SRP_CRYPTO_MBEDTLS_INTERNAL
  36
  37 // tls_*.c:
  38 bool srp_tls_init(void);
  39 bool srp_tls_client_init(void);
  40 bool srp_tls_server_init(const char *NULLABLE cacert_file,
  41                          const char *NULLABLE srvcrt_file, const char *NULLABLE server_key_file);
  42 bool srp_tls_accept_setup(comm_t *NONNULL comm);
  43 bool srp_tls_listen_callback(comm_t *NONNULL comm);
  44 bool srp_tls_connect_callback(comm_t *NONNULL comm);
  45 ssize_t srp_tls_read(comm_t *NONNULL comm, unsigned char *NONNULL buf, size_t max);
  46 void srp_tls_context_free(comm_t *NONNULL comm);
  47 ssize_t srp_tls_write(comm_t *NONNULL comm, struct iovec *NONNULL iov, int iov_len);
  48
  49 #endif // __SRP_TLS_H
  50
  51 // Local Variables:
  52 // mode: C
  53 // tab-width: 4
  54 // c-file-style: "bsd"
  55 // c-basic-offset: 4
  56 // fill-column: 108
  57 // indent-tabs-mode: nil
  58 // End: