1+ #ifndef ESP_SSLCLIENT_CONST_H
2+ #define ESP_SSLCLIENT_CONST_H
3+
4+ #pragma GCC diagnostic ignored "-Wunused-function"
5+ #pragma GCC diagnostic ignored "-Wvla"
6+
7+ #include "ESP_SSLClient_FS.h"
8+
9+ #include <Arduino.h>
10+ #include <Client.h>
11+
12+ #define ESP_SSLCLIENT_VALID_TIMESTAMP 1690979919
13+
14+ #ifndef SSLCLIENT_CONNECTION_UPGRADABLE
15+ #define SSLCLIENT_CONNECTION_UPGRADABLE
16+ #endif
17+
18+ #ifdef ESP_SSLCLIENT_ENABLE_DEBUG
19+ #if !defined(ESP_SSLCLIENT_DEBUG_PORT )
20+ #define ESP_SSLCLIENT_DEBUG_PORT Serial
21+ #endif
22+ #define ESP_SSLCLIENT_DEBUG_PRINT ESP_SSLCLIENT_DEBUG_PORT.print
23+ #else
24+ #define ESP_SSLCLIENT_DEBUG_PRINT (...)
25+ #endif
26+
27+ enum esp_ssl_client_debug_level
28+ {
29+ esp_ssl_debug_none = 0 ,
30+ esp_ssl_debug_error = 1 ,
31+ esp_ssl_debug_warn = 2 ,
32+ esp_ssl_debug_info = 3 ,
33+ esp_ssl_debug_dump = 4
34+ };
35+
36+ enum esp_ssl_client_error_types
37+ {
38+ esp_ssl_ok ,
39+ esp_ssl_connection_fail ,
40+ esp_ssl_write_error ,
41+ esp_ssl_read_error ,
42+ esp_ssl_out_of_memory ,
43+ esp_ssl_internal_error
44+ };
45+
46+ #if defined(ESP_SSLCLIENT_ENABLE_DEBUG )
47+
48+ static void esp_ssl_debug_print_prefix (const char * func_name , int level )
49+ {
50+ ESP_SSLCLIENT_DEBUG_PRINT (PSTR ("> " ));
51+ // print the debug level
52+ switch (level )
53+ {
54+ case esp_ssl_debug_info :
55+ ESP_SSLCLIENT_DEBUG_PRINT (PSTR ("INFO." ));
56+ break ;
57+ case esp_ssl_debug_warn :
58+ ESP_SSLCLIENT_DEBUG_PRINT (PSTR ("WARN." ));
59+ break ;
60+ case esp_ssl_debug_error :
61+ ESP_SSLCLIENT_DEBUG_PRINT (PSTR ("ERROR." ));
62+ break ;
63+ default :
64+ break ;
65+ }
66+
67+ // print the function name
68+ ESP_SSLCLIENT_DEBUG_PRINT (PSTR ("" ));
69+ ESP_SSLCLIENT_DEBUG_PRINT (func_name );
70+ ESP_SSLCLIENT_DEBUG_PRINT (PSTR (": " ));
71+ }
72+
73+ static void esp_ssl_debug_print (PGM_P msg , int debug_level , int level , const char * func_name )
74+ {
75+ if (debug_level >= level )
76+ {
77+ esp_ssl_debug_print_prefix (func_name , level );
78+ ESP_SSLCLIENT_DEBUG_PRINT (msg );
79+ ESP_SSLCLIENT_DEBUG_PRINT ("\r\n" );
80+ }
81+ }
82+
83+ #endif
84+
85+ static uint8_t htoi (unsigned char c )
86+ {
87+ if (c >= '0' && c <= '9' )
88+ return c - '0' ;
89+ else if (c >= 'A' && c <= 'F' )
90+ return 10 + c - 'A' ;
91+ else if (c >= 'a' && c <= 'f' )
92+ return 10 + c - 'a' ;
93+ else
94+ return 255 ;
95+ }
96+
97+ // Helper function which aborts a TLS handshake by sending TLS
98+ // ClientAbort and ClientClose messages.
99+ static bool send_abort (Client * probe , bool supportsLen )
100+ {
101+ // If we're still connected, send the appropriate notice that
102+ // we're aborting the handshake per RFCs.
103+ static const uint8_t clientAbort_P [] PROGMEM = {
104+ 0x15 /*alert*/ , 0x03 , 0x03 /*TLS 1.2*/ , 0x00 , 0x02 ,
105+ 1 , 90 /* warning: user_cancelled */
106+ };
107+ static const uint8_t clientClose_P [] PROGMEM = {
108+ 0x15 /*alert*/ , 0x03 , 0x03 /*TLS 1.2*/ , 0x00 , 0x02 ,
109+ 1 , 0 /* warning: close_notify */
110+ };
111+ if (probe -> connected ())
112+ {
113+ uint8_t msg [sizeof (clientAbort_P )];
114+ memcpy_P (msg , clientAbort_P , sizeof (clientAbort_P ));
115+ probe -> write (msg , sizeof (clientAbort_P ));
116+ memcpy_P (msg , clientClose_P , sizeof (clientClose_P ));
117+ probe -> write (msg , sizeof (clientClose_P ));
118+ }
119+ return supportsLen ;
120+ }
121+
122+ const uint16_t _secure_ports [26 ] = {443 /* HTTPS */ , 465 /* SMTP */ , 563 /* NNTP */ , 636 /* LDAPS */ , 695 /* IEEE-MMS-SSL */ , 832 /* NETCONF */ , 853 /* DNS */ , 989 /* FTPS */ , 990 /* FTPS */ , 992 /* Telnet */ , 993 /* IMAP */ , 995 /* POP3 */ , 4116 /* Smartcard */ , 4843 /* OPC */ , 5061 /* SIP */ , 5085 /* LLIP */ , 5349 /* NAT */ , 5671 /* AMQP */ , 5986 /* WinRM-HTTPS */ , 6513 /* NETCONF */ , 6514 /* Syslog */ , 6515 /* Elipse RPC */ , 6619 /* OFTP */ , 8243 /* Apache Synapse */ , 8403 /* GxFWD */ , 8883 /* MQTT */ };
123+
124+ #endif
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