1 // Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include <strings.h>
16
17 #include "esp_log.h"
18 #include "mbedtls/platform.h"
19 #include "mbedtls/debug.h"
20 #include "mbedtls/ssl.h"
21 #include "mbedtls/esp_debug.h"
22
23 #ifdef CONFIG_MBEDTLS_DEBUG
24 static const char *TAG = "mbedtls";
25
26 static void mbedtls_esp_debug(void *ctx, int level,
27 const char *file, int line,
28 const char *str);
29
mbedtls_esp_enable_debug_log(mbedtls_ssl_config * conf,int threshold)30 void mbedtls_esp_enable_debug_log(mbedtls_ssl_config *conf, int threshold)
31 {
32 esp_log_level_t level = ESP_LOG_NONE;
33 mbedtls_debug_set_threshold(threshold);
34 mbedtls_ssl_conf_dbg(conf, mbedtls_esp_debug, NULL);
35 switch(threshold) {
36 case 1:
37 level = ESP_LOG_WARN;
38 break;
39 case 2:
40 level = ESP_LOG_INFO;
41 break;
42 case 3:
43 level = ESP_LOG_DEBUG;
44 break;
45 case 4:
46 level = ESP_LOG_VERBOSE;
47 break;
48 }
49 esp_log_level_set(TAG, level);
50 }
51
mbedtls_esp_disable_debug_log(mbedtls_ssl_config * conf)52 void mbedtls_esp_disable_debug_log(mbedtls_ssl_config *conf)
53 {
54 mbedtls_ssl_conf_dbg(conf, NULL, NULL);
55 }
56
57
58 /* Default mbedtls debug function that translates mbedTLS debug output
59 to ESP_LOGx debug output.
60 */
mbedtls_esp_debug(void * ctx,int level,const char * file,int line,const char * str)61 static void mbedtls_esp_debug(void *ctx, int level,
62 const char *file, int line,
63 const char *str)
64 {
65 char *file_sep;
66
67 /* Shorten 'file' from the whole file path to just the filename
68
69 This is a bit wasteful because the macros are compiled in with
70 the full _FILE_ path in each case.
71 */
72 file_sep = rindex(file, '/');
73 if(file_sep)
74 file = file_sep+1;
75
76 switch(level) {
77 case 1:
78 ESP_LOGW(TAG, "%s:%d %s", file, line, str);
79 break;
80 case 2:
81 ESP_LOGI(TAG, "%s:%d %s", file, line, str);
82 break;
83 case 3:
84 ESP_LOGD(TAG, "%s:%d %s", file, line, str);
85 break;
86 case 4:
87 ESP_LOGV(TAG, "%s:%d %s", file, line, str);
88 break;
89 default:
90 ESP_LOGE(TAG, "Unexpected log level %d: %s", level, str);
91 break;
92 }
93 }
94 #endif
95
