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 #ifndef _SSL_CODE_H_ 16 #define _SSL_CODE_H_ 17 18 #ifdef __cplusplus 19 extern "C" { 20 #endif 21 22 #include "ssl3.h" 23 #include "tls1.h" 24 #include "x509_vfy.h" 25 26 /* Used in SSL_set_mode() -- supported mode when using BIO */ 27 #define SSL_MODE_ENABLE_PARTIAL_WRITE 0x00000001L 28 #define SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER 0x00000002L 29 30 /* Used in SSL_set_shutdown()/SSL_get_shutdown(); */ 31 # define SSL_SENT_SHUTDOWN 1 32 # define SSL_RECEIVED_SHUTDOWN 2 33 34 # define SSL_VERIFY_NONE 0x00 35 # define SSL_VERIFY_PEER 0x01 36 # define SSL_VERIFY_FAIL_IF_NO_PEER_CERT 0x02 37 # define SSL_VERIFY_CLIENT_ONCE 0x04 38 39 /* 40 * The following 3 states are kept in ssl->rlayer.rstate when reads fail, you 41 * should not need these 42 */ 43 # define SSL_ST_READ_HEADER 0xF0 44 # define SSL_ST_READ_BODY 0xF1 45 # define SSL_ST_READ_DONE 0xF2 46 47 # define SSL_NOTHING 1 48 # define SSL_WRITING 2 49 # define SSL_READING 3 50 # define SSL_X509_LOOKUP 4 51 # define SSL_ASYNC_PAUSED 5 52 # define SSL_ASYNC_NO_JOBS 6 53 54 55 # define SSL_ERROR_NONE 0 56 # define SSL_ERROR_SSL 1 57 # define SSL_ERROR_WANT_READ 2 58 # define SSL_ERROR_WANT_WRITE 3 59 # define SSL_ERROR_WANT_X509_LOOKUP 4 60 # define SSL_ERROR_SYSCALL 5/* look at error stack/return value/errno */ 61 # define SSL_ERROR_ZERO_RETURN 6 62 # define SSL_ERROR_WANT_CONNECT 7 63 # define SSL_ERROR_WANT_ACCEPT 8 64 # define SSL_ERROR_WANT_ASYNC 9 65 # define SSL_ERROR_WANT_ASYNC_JOB 10 66 67 /* Message flow states */ 68 typedef enum { 69 /* No handshake in progress */ 70 MSG_FLOW_UNINITED, 71 /* A permanent error with this connection */ 72 MSG_FLOW_ERROR, 73 /* We are about to renegotiate */ 74 MSG_FLOW_RENEGOTIATE, 75 /* We are reading messages */ 76 MSG_FLOW_READING, 77 /* We are writing messages */ 78 MSG_FLOW_WRITING, 79 /* Handshake has finished */ 80 MSG_FLOW_FINISHED 81 } MSG_FLOW_STATE; 82 83 /* SSL subsystem states */ 84 typedef enum { 85 TLS_ST_BEFORE, 86 TLS_ST_OK, 87 DTLS_ST_CR_HELLO_VERIFY_REQUEST, 88 TLS_ST_CR_SRVR_HELLO, 89 TLS_ST_CR_CERT, 90 TLS_ST_CR_CERT_STATUS, 91 TLS_ST_CR_KEY_EXCH, 92 TLS_ST_CR_CERT_REQ, 93 TLS_ST_CR_SRVR_DONE, 94 TLS_ST_CR_SESSION_TICKET, 95 TLS_ST_CR_CHANGE, 96 TLS_ST_CR_FINISHED, 97 TLS_ST_CW_CLNT_HELLO, 98 TLS_ST_CW_CERT, 99 TLS_ST_CW_KEY_EXCH, 100 TLS_ST_CW_CERT_VRFY, 101 TLS_ST_CW_CHANGE, 102 TLS_ST_CW_NEXT_PROTO, 103 TLS_ST_CW_FINISHED, 104 TLS_ST_SW_HELLO_REQ, 105 TLS_ST_SR_CLNT_HELLO, 106 DTLS_ST_SW_HELLO_VERIFY_REQUEST, 107 TLS_ST_SW_SRVR_HELLO, 108 TLS_ST_SW_CERT, 109 TLS_ST_SW_KEY_EXCH, 110 TLS_ST_SW_CERT_REQ, 111 TLS_ST_SW_SRVR_DONE, 112 TLS_ST_SR_CERT, 113 TLS_ST_SR_KEY_EXCH, 114 TLS_ST_SR_CERT_VRFY, 115 TLS_ST_SR_NEXT_PROTO, 116 TLS_ST_SR_CHANGE, 117 TLS_ST_SR_FINISHED, 118 TLS_ST_SW_SESSION_TICKET, 119 TLS_ST_SW_CERT_STATUS, 120 TLS_ST_SW_CHANGE, 121 TLS_ST_SW_FINISHED 122 } OSSL_HANDSHAKE_STATE; 123 124 #ifdef __cplusplus 125 } 126 #endif 127 128 #endif 129
