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Fix libcoap building with various MbedTLS compile time options
components/coap/port/coap_mbedtls.c: Add in additional compile time check wrappers for different MbedTLS configurations. components/coap/CMakeLists.txt: components/coap/component.mk: components/coap/port/coap_notls.c: components/coap/port/include/coap_config_posix.h: Add in the ability to compile and run if MbedTLS does not have any TLS mode enabled. examples/protocols/coap_client/main/coap_client_example_main.c: Inform user that MbedTLS Client Mode is required for DTLS if not enabled, and coaps:// has been requested. [Lower libcoap library will still error and report this condition] examples/protocols/coap_server/main/coap_server_example_main.c: Inform user that MbedTLS Server Mode is required for DTLS if not enabled. [Lower libcoap library will still error and report this condition] Closes #3961 Closes #3971 Closes #3977
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,190 @@ | ||
| /* | ||
| * coap_notls.c -- Stub Datagram Transport Layer Support for libcoap | ||
| * | ||
| * Copyright (C) 2016 Olaf Bergmann <bergmann@tzi.org> | ||
| * | ||
| * This file is part of the CoAP library libcoap. Please see README for terms | ||
| * of use. | ||
| */ | ||
|
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| #include "coap_config.h" | ||
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| #if !defined(HAVE_LIBTINYDTLS) && !defined(HAVE_OPENSSL) && !defined(HAVE_LIBGNUTLS) && !defined(HAVE_MBEDTLS) | ||
|
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| #include "net.h" | ||
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| #ifdef __GNUC__ | ||
| #define UNUSED __attribute__((unused)) | ||
| #else /* __GNUC__ */ | ||
| #define UNUSED | ||
| #endif /* __GNUC__ */ | ||
|
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| int | ||
| coap_dtls_is_supported(void) { | ||
| return 0; | ||
| } | ||
|
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| int | ||
| coap_tls_is_supported(void) { | ||
| return 0; | ||
| } | ||
|
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| coap_tls_version_t * | ||
| coap_get_tls_library_version(void) { | ||
| static coap_tls_version_t version; | ||
| version.version = 0; | ||
| version.type = COAP_TLS_LIBRARY_NOTLS; | ||
| return &version; | ||
| } | ||
|
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| int | ||
| coap_dtls_context_set_pki(coap_context_t *ctx UNUSED, | ||
| coap_dtls_pki_t* setup_data UNUSED, | ||
| coap_dtls_role_t role UNUSED | ||
| ) { | ||
| return 0; | ||
| } | ||
|
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| int | ||
| coap_dtls_context_set_pki_root_cas(struct coap_context_t *ctx UNUSED, | ||
| const char *ca_file UNUSED, | ||
| const char *ca_path UNUSED | ||
| ) { | ||
| return 0; | ||
| } | ||
|
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| int | ||
| coap_dtls_context_set_psk(coap_context_t *ctx UNUSED, | ||
| const char *hint UNUSED, | ||
| coap_dtls_role_t role UNUSED | ||
| ) { | ||
| return 0; | ||
| } | ||
|
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| int | ||
| coap_dtls_context_check_keys_enabled(coap_context_t *ctx UNUSED) | ||
| { | ||
| return 0; | ||
| } | ||
|
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| static int dtls_log_level = 0; | ||
|
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| void coap_dtls_startup(void) { | ||
| } | ||
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| void | ||
| coap_dtls_set_log_level(int level) { | ||
| dtls_log_level = level; | ||
| } | ||
|
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| int | ||
| coap_dtls_get_log_level(void) { | ||
| return dtls_log_level; | ||
| } | ||
|
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| void * | ||
| coap_dtls_new_context(struct coap_context_t *coap_context UNUSED) { | ||
| return NULL; | ||
| } | ||
|
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| void | ||
| coap_dtls_free_context(void *handle UNUSED) { | ||
| } | ||
|
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| void *coap_dtls_new_server_session(coap_session_t *session UNUSED) { | ||
| return NULL; | ||
| } | ||
|
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| void *coap_dtls_new_client_session(coap_session_t *session UNUSED) { | ||
| return NULL; | ||
| } | ||
|
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| void coap_dtls_free_session(coap_session_t *coap_session UNUSED) { | ||
| } | ||
|
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| void coap_dtls_session_update_mtu(coap_session_t *session UNUSED) { | ||
| } | ||
|
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| int | ||
| coap_dtls_send(coap_session_t *session UNUSED, | ||
| const uint8_t *data UNUSED, | ||
| size_t data_len UNUSED | ||
| ) { | ||
| return -1; | ||
| } | ||
|
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| int coap_dtls_is_context_timeout(void) { | ||
| return 1; | ||
| } | ||
|
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| coap_tick_t coap_dtls_get_context_timeout(void *dtls_context UNUSED) { | ||
| return 0; | ||
| } | ||
|
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| coap_tick_t | ||
| coap_dtls_get_timeout(coap_session_t *session UNUSED, coap_tick_t now UNUSED) { | ||
| return 0; | ||
| } | ||
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| void coap_dtls_handle_timeout(coap_session_t *session UNUSED) { | ||
| } | ||
|
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| int | ||
| coap_dtls_receive(coap_session_t *session UNUSED, | ||
| const uint8_t *data UNUSED, | ||
| size_t data_len UNUSED | ||
| ) { | ||
| return -1; | ||
| } | ||
|
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| int | ||
| coap_dtls_hello(coap_session_t *session UNUSED, | ||
| const uint8_t *data UNUSED, | ||
| size_t data_len UNUSED | ||
| ) { | ||
| return 0; | ||
| } | ||
|
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| unsigned int coap_dtls_get_overhead(coap_session_t *session UNUSED) { | ||
| return 0; | ||
| } | ||
|
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| void *coap_tls_new_client_session(coap_session_t *session UNUSED, int *connected UNUSED) { | ||
| return NULL; | ||
| } | ||
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| void *coap_tls_new_server_session(coap_session_t *session UNUSED, int *connected UNUSED) { | ||
| return NULL; | ||
| } | ||
|
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| void coap_tls_free_session(coap_session_t *coap_session UNUSED) { | ||
| } | ||
|
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| ssize_t coap_tls_write(coap_session_t *session UNUSED, | ||
| const uint8_t *data UNUSED, | ||
| size_t data_len UNUSED | ||
| ) { | ||
| return -1; | ||
| } | ||
|
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| ssize_t coap_tls_read(coap_session_t *session UNUSED, | ||
| uint8_t *data UNUSED, | ||
| size_t data_len UNUSED | ||
| ) { | ||
| return -1; | ||
| } | ||
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| #undef UNUSED | ||
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| #else /* !HAVE_LIBTINYDTLS && !HAVE_OPENSSL && !HAVE_LIBGNUTLS */ | ||
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| #ifdef __clang__ | ||
| /* Make compilers happy that do not like empty modules. As this function is | ||
| * never used, we ignore -Wunused-function at the end of compiling this file | ||
| */ | ||
| #pragma GCC diagnostic ignored "-Wunused-function" | ||
| #endif | ||
| static inline void dummy(void) { | ||
| } | ||
|
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| #endif /* !HAVE_LIBTINYDTLS && !HAVE_OPENSSL && !HAVE_LIBGNUTLS */ |
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