Update IDF CoAP example
This commit is contained in:
Valerii Koval
@@ -1,5 +1,4 @@
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CONFIG_EXAMPLE_WIFI_SSID="MYSSID"
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CONFIG_EXAMPLE_WIFI_PASSWORD="MYPASS"
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CONFIG_MBEDTLS_SSL_PROTO_DTLS=y
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CONFIG_MBEDTLS_PSK_MODES=y
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CONFIG_MBEDTLS_KEY_EXCHANGE_PSK=y
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CONFIG_LWIP_NETBUF_RECVINFO=y
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@@ -8,4 +8,54 @@ menu "Example CoAP Server Configuration"
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The Preshared Key to use to encrypt the communicatons. The same key must be
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used at both ends of the CoAP connection, and the CoaP client must request
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an URI prefixed with coaps:// instead of coap:// for DTLS to be used.
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choice EXAMPLE_COAP_MCAST_IP_MODE
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prompt "Receive Multicast IP type"
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help
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Example can receive multicast IPV4, IPV6, both or none.
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config EXAMPLE_COAP_MCAST_NONE
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bool "None"
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config EXAMPLE_COAP_MCAST_IPV4_V6
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bool "IPV4 & IPV6"
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select EXAMPLE_COAP_MCAST_IPV4
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select EXAMPLE_COAP_MCAST_IPV6
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config EXAMPLE_COAP_MCAST_IPV4_ONLY
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bool "IPV4"
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select EXAMPLE_COAP_MCAST_IPV4
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config EXAMPLE_COAP_MCAST_IPV6_ONLY
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bool "IPV6"
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select EXAMPLE_COAP_MCAST_IPV6
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endchoice
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config EXAMPLE_COAP_MCAST_IPV4
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bool
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config EXAMPLE_COAP_MCAST_IPV6
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bool
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select EXAMPLE_CONNECT_IPV6 if IDF_TARGET_ESP32
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config EXAMPLE_COAP_MULTICAST_IPV4_ADDR
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string "CoAP Multicast IPV4 Address (receive)"
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default "224.0.1.187"
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depends on EXAMPLE_COAP_MCAST_IPV4
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help
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IPV4 multicast address to receive multicast traffic on.
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The default CoAP IPV4 address is 224.0.1.187.
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config EXAMPLE_COAP_MULTICAST_IPV6_ADDR
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string "CoAP Multicast IPV6 Address (receive)"
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default "FF02::FD"
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depends on EXAMPLE_COAP_MCAST_IPV6
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help
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IPV6 multicast address to receive multicast traffic on.
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The default CoAP FF02::FD address is a link-local multicast address.
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Consult IPV6 specifications or documentation for information about
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meaning of different IPV6 multicast ranges.
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endmenu
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@@ -1,23 +1,27 @@
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-----BEGIN CERTIFICATE-----
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MIID3DCCA0WgAwIBAgIJAMnlgL1czsmjMA0GCSqGSIb3DQEBCwUAMIGTMQswCQYD
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VQQGEwJGUjEPMA0GA1UECAwGUmFkaXVzMRIwEAYDVQQHDAlTb21ld2hlcmUxFTAT
|
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|
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|
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|
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|
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bXBsZSBJbmMuMSAwHgYJKoZIhvcNAQkBFhFhZG1pbkBleGFtcGxlLmNvbTEmMCQG
|
||||
A1UEAwwdRXhhbXBsZSBDZXJ0aWZpY2F0ZSBBdXRob3JpdHkwgZ8wDQYJKoZIhvcN
|
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AQEBBQADgY0AMIGJAoGBALpWR23fn/TmHxsXsHdrydzPSd17fZkc71WsaicgQR66
|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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MIICDzCCAbSgAwIBAgIIAbOUoVFDz/QwDAYIKoZIzj0EAwIFADBcMRAwDgYDVQQD
|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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rVIm
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-----END CERTIFICATE-----
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-----BEGIN CERTIFICATE-----
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MIIB4DCCAYWgAwIBAgIIQR8ro8AQ02AwDAYIKoZIzj0EAwIFADBcMRAwDgYDVQQD
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EwdjZi1yb290MRQwEgYDVQQLEwtDYWxpZm9ybml1bTEUMBIGA1UEChMLRWNsaXBz
|
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ZSBJb1QxDzANBgNVBAcTBk90dGF3YTELMAkGA1UEBhMCQ0EwHhcNMjAxMTExMTAz
|
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MDMyWhcNMjExMTExMTAzMDMyWjBcMRAwDgYDVQQDEwdjZi1yb290MRQwEgYDVQQL
|
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EwtDYWxpZm9ybml1bTEUMBIGA1UEChMLRWNsaXBzZSBJb1QxDzANBgNVBAcTBk90
|
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dGF3YTELMAkGA1UEBhMCQ0EwWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAATZ1BRM
|
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T1//Fzh9sneRZNwS4kgCxN1PvgwT271qCpYqyxnjLEa38AP1IAanhpiD/OkVc0Zd
|
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|
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DAYDVR0TBAUwAwEB/zAMBggqhkjOPQQDAgUAA0cAMEQCIAdLEgcUWdpAl9jwdJiz
|
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/cHW7/CBIWEvqiQfzE+XLyLOAiAvuxSdOtSDjh2aC5qEjUCH8CSKCxWB74j23tmp
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aqPH4A==
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-----END CERTIFICATE-----
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@@ -1,70 +1,13 @@
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Certificate:
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Data:
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Version: 3 (0x2)
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Serial Number: 47 (0x2f)
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Signature Algorithm: sha1WithRSAEncryption
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Issuer: C=FR, ST=Radius, L=Somewhere, O=Example Inc./emailAddress=admin@example.com, CN=Example Certificate Authority
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Validity
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Not Before: Jun 7 08:06:49 2017 GMT
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Not After : Jun 5 08:06:49 2027 GMT
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Subject: C=FR, ST=Radius, O=Example Inc., CN=Example Server Certificate/emailAddress=admin@example.com
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Subject Public Key Info:
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Public Key Algorithm: rsaEncryption
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Public-Key: (2048 bit)
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Modulus:
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00:c9:d8:e2:e0:75:91:83:87:d8:c8:80:c6:20:4d:
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e9:14:24:30:98:33:53:fa:56:0e:ec:9a:43:7f:87:
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a9:22:94:26:06:c7:ac:b5:d9:ec:55:06:81:b7:0d:
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c9:24:51:49:fa:47:fb:4b:4e:fc:ed:75:8a:e1:28:
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32:bc:c5:e0:4c:45:c4:58:60:15:67:1e:6b:40:19:
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3f:f0:ab:92:61:92:2d:71:10:2e:f2:eb:bc:81:2f:
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5a:3b:74:ca:5f:fd:e0:ee:d1:d9:07:6a:6c:20:c0:
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07:88:b4:8b:0f:ad:1e:c9:4f:7c:11:98:37:89:15:
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de:24:b1:11:1a:7c:97:4a:cf:f3:c8:cb:79:9e:9c:
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c3:71:da:a6:94:97:f5:95:fd:61:06:44:e2:3f:12:
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43:0b:1d:33:48:91:d2:ce:4f:97:a1:ed:6a:30:c7:
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5d:98:b5:6e:0a:b7:4f:d9:03:ec:80:76:09:b0:40:
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a1:a1:af:ab:2a:59:c4:0f:56:22:bc:be:14:be:18:
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df:10:7d:5d:22:bf:e5:04:77:7a:75:6b:3e:eb:6d:
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20:a1:a7:60:d4:f1:87:9d:9f:60:b9:d3:db:2c:25:
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f4:91:4a:f1:d2:40:e5:a1:10:88:a0:41:5a:98:40:
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ca:15:d7:e3:e6:3e:c0:6a:d5:46:b2:b4:90:b4:ae:
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3b:e3
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Exponent: 65537 (0x10001)
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X509v3 extensions:
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X509v3 Extended Key Usage:
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TLS Web Server Authentication
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X509v3 CRL Distribution Points:
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Full Name:
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URI:http://www.example.com/example_ca.crl
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Signature Algorithm: sha1WithRSAEncryption
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a4:25:21:51:0b:22:6c:63:8d:a9:c1:4f:04:33:69:79:34:f0:
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36:dd:8f:6a:27:5f:07:a2:1d:ef:8b:f0:96:e6:e7:a3:b8:3b:
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85:5e:3f:26:43:8a:8e:95:58:9c:a6:db:9c:51:bf:ea:53:16:
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3e:c1:a8:11:1a:c6:cf:0e:a1:17:18:64:d2:05:f1:c0:9c:a6:
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2b:16:c4:29:54:03:d2:17:bd:15:74:d6:ad:8a:8f:2d:cc:27:
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3b:88:88:f2:ea:d0:a2:cb:e9:42:57:df:26:9f:8a:a2:02:2f:
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35:b6:19:1d:26:43:44:af:12:4b:bc:b9:84:50:02:fd:1d:fa:
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50:e8
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-----BEGIN CERTIFICATE-----
|
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MIIDWTCCAsKgAwIBAgIBLzANBgkqhkiG9w0BAQUFADCBkzELMAkGA1UEBhMCRlIx
|
||||
DzANBgNVBAgMBlJhZGl1czESMBAGA1UEBwwJU29tZXdoZXJlMRUwEwYDVQQKDAxF
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
-----END CERTIFICATE-----
|
||||
|
||||
@@ -1,27 +1,4 @@
|
||||
-----BEGIN RSA PRIVATE KEY-----
|
||||
MIIEpAIBAAKCAQEAydji4HWRg4fYyIDGIE3pFCQwmDNT+lYO7JpDf4epIpQmBses
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
gZdaTYCb78l9z0EBdaCVvA16owEle4SR6f9eCwzSI0WPOUra+x/hrA==
|
||||
-----END RSA PRIVATE KEY-----
|
||||
-----BEGIN PRIVATE KEY-----
|
||||
MEECAQAwEwYHKoZIzj0CAQYIKoZIzj0DAQcEJzAlAgEBBCCLBQT66xp2w4+1K+Ai
|
||||
/TXEC8tQZBxl9brFyK4F7AQNGw==
|
||||
-----END PRIVATE KEY-----
|
||||
|
||||
@@ -29,15 +29,10 @@
|
||||
|
||||
#include "protocol_examples_common.h"
|
||||
|
||||
#if 1
|
||||
/* Needed until coap_dtls.h becomes a part of libcoap proper */
|
||||
#include "libcoap.h"
|
||||
#include "coap_dtls.h"
|
||||
#endif
|
||||
#include "coap.h"
|
||||
#include "coap3/coap.h"
|
||||
|
||||
/* The examples use simple Pre-Shared-Key configuration that you can set via
|
||||
'make menuconfig'.
|
||||
'idf.py menuconfig'.
|
||||
|
||||
If you'd rather not, just change the below entries to strings with
|
||||
the config you want - ie #define EXAMPLE_COAP_PSK_KEY "some-agreed-preshared-key"
|
||||
@@ -49,7 +44,7 @@
|
||||
#define EXAMPLE_COAP_PSK_KEY CONFIG_EXAMPLE_COAP_PSK_KEY
|
||||
|
||||
/* The examples use CoAP Logging Level that
|
||||
you can set via 'make menuconfig'.
|
||||
you can set via 'idf.py menuconfig'.
|
||||
|
||||
If you'd rather not, just change the below entry to a value
|
||||
that is between 0 and 7 with
|
||||
@@ -67,8 +62,10 @@ static int espressif_data_len = 0;
|
||||
Server cert, taken from coap_server.crt
|
||||
Server key, taken from coap_server.key
|
||||
|
||||
The PEM, CRT and KEY file are examples taken from the wpa2 enterprise
|
||||
example.
|
||||
The PEM, CRT and KEY file are examples taken from
|
||||
https://github.com/eclipse/californium/tree/master/demo-certs/src/main/resources
|
||||
as the Certificate test (by default) for the coap_client is against the
|
||||
californium server.
|
||||
|
||||
To embed it in the app binary, the PEM, CRT and KEY file is named
|
||||
in the component.mk COMPONENT_EMBED_TXTFILES variable.
|
||||
@@ -87,39 +84,42 @@ extern uint8_t server_key_end[] asm("_binary_coap_server_key_end");
|
||||
* The resource handler
|
||||
*/
|
||||
static void
|
||||
hnd_espressif_get(coap_context_t *ctx, coap_resource_t *resource,
|
||||
hnd_espressif_get(coap_resource_t *resource,
|
||||
coap_session_t *session,
|
||||
coap_pdu_t *request, coap_binary_t *token,
|
||||
coap_string_t *query, coap_pdu_t *response)
|
||||
const coap_pdu_t *request,
|
||||
const coap_string_t *query,
|
||||
coap_pdu_t *response)
|
||||
{
|
||||
coap_add_data_blocked_response(resource, session, request, response, token,
|
||||
COAP_MEDIATYPE_TEXT_PLAIN, 0,
|
||||
(size_t)espressif_data_len,
|
||||
(const u_char *)espressif_data);
|
||||
coap_pdu_set_code(response, COAP_RESPONSE_CODE_CONTENT);
|
||||
coap_add_data_large_response(resource, session, request, response,
|
||||
query, COAP_MEDIATYPE_TEXT_PLAIN, 60, 0,
|
||||
(size_t)espressif_data_len,
|
||||
(const u_char *)espressif_data,
|
||||
NULL, NULL);
|
||||
}
|
||||
|
||||
static void
|
||||
hnd_espressif_put(coap_context_t *ctx,
|
||||
coap_resource_t *resource,
|
||||
hnd_espressif_put(coap_resource_t *resource,
|
||||
coap_session_t *session,
|
||||
coap_pdu_t *request,
|
||||
coap_binary_t *token,
|
||||
coap_string_t *query,
|
||||
const coap_pdu_t *request,
|
||||
const coap_string_t *query,
|
||||
coap_pdu_t *response)
|
||||
{
|
||||
size_t size;
|
||||
unsigned char *data;
|
||||
size_t offset;
|
||||
size_t total;
|
||||
const unsigned char *data;
|
||||
|
||||
coap_resource_notify_observers(resource, NULL);
|
||||
|
||||
if (strcmp (espressif_data, INITIAL_DATA) == 0) {
|
||||
response->code = COAP_RESPONSE_CODE(201);
|
||||
coap_pdu_set_code(response, COAP_RESPONSE_CODE_CREATED);
|
||||
} else {
|
||||
response->code = COAP_RESPONSE_CODE(204);
|
||||
coap_pdu_set_code(response, COAP_RESPONSE_CODE_CHANGED);
|
||||
}
|
||||
|
||||
/* coap_get_data() sets size to 0 on error */
|
||||
(void)coap_get_data(request, &size, &data);
|
||||
/* coap_get_data_large() sets size to 0 on error */
|
||||
(void)coap_get_data_large(request, &size, &data, &offset, &total);
|
||||
|
||||
if (size == 0) { /* re-init */
|
||||
snprintf(espressif_data, sizeof(espressif_data), INITIAL_DATA);
|
||||
@@ -131,18 +131,16 @@ hnd_espressif_put(coap_context_t *ctx,
|
||||
}
|
||||
|
||||
static void
|
||||
hnd_espressif_delete(coap_context_t *ctx,
|
||||
coap_resource_t *resource,
|
||||
hnd_espressif_delete(coap_resource_t *resource,
|
||||
coap_session_t *session,
|
||||
coap_pdu_t *request,
|
||||
coap_binary_t *token,
|
||||
coap_string_t *query,
|
||||
const coap_pdu_t *request,
|
||||
const coap_string_t *query,
|
||||
coap_pdu_t *response)
|
||||
{
|
||||
coap_resource_notify_observers(resource, NULL);
|
||||
snprintf(espressif_data, sizeof(espressif_data), INITIAL_DATA);
|
||||
espressif_data_len = strlen(espressif_data);
|
||||
response->code = COAP_RESPONSE_CODE(202);
|
||||
coap_pdu_set_code(response, COAP_RESPONSE_CODE_DELETED);
|
||||
}
|
||||
|
||||
#ifdef CONFIG_COAP_MBEDTLS_PKI
|
||||
@@ -163,6 +161,18 @@ verify_cn_callback(const char *cn,
|
||||
}
|
||||
#endif /* CONFIG_COAP_MBEDTLS_PKI */
|
||||
|
||||
static void
|
||||
coap_log_handler (coap_log_t level, const char *message)
|
||||
{
|
||||
uint32_t esp_level = ESP_LOG_INFO;
|
||||
char *cp = strchr(message, '\n');
|
||||
|
||||
if (cp)
|
||||
ESP_LOG_LEVEL(esp_level, TAG, "%.*s", (int)(cp-message), message);
|
||||
else
|
||||
ESP_LOG_LEVEL(esp_level, TAG, "%s", message);
|
||||
}
|
||||
|
||||
static void coap_example_server(void *p)
|
||||
{
|
||||
coap_context_t *ctx = NULL;
|
||||
@@ -171,6 +181,7 @@ static void coap_example_server(void *p)
|
||||
|
||||
snprintf(espressif_data, sizeof(espressif_data), INITIAL_DATA);
|
||||
espressif_data_len = strlen(espressif_data);
|
||||
coap_set_log_handler(coap_log_handler);
|
||||
coap_set_log_level(EXAMPLE_COAP_LOG_DEFAULT_LEVEL);
|
||||
|
||||
while (1) {
|
||||
@@ -179,15 +190,16 @@ static void coap_example_server(void *p)
|
||||
|
||||
/* Prepare the CoAP server socket */
|
||||
coap_address_init(&serv_addr);
|
||||
serv_addr.addr.sin.sin_family = AF_INET;
|
||||
serv_addr.addr.sin.sin_addr.s_addr = INADDR_ANY;
|
||||
serv_addr.addr.sin.sin_port = htons(COAP_DEFAULT_PORT);
|
||||
serv_addr.addr.sin6.sin6_family = AF_INET6;
|
||||
serv_addr.addr.sin6.sin6_port = htons(COAP_DEFAULT_PORT);
|
||||
|
||||
ctx = coap_new_context(NULL);
|
||||
if (!ctx) {
|
||||
ESP_LOGE(TAG, "coap_new_context() failed");
|
||||
continue;
|
||||
}
|
||||
coap_context_set_block_mode(ctx,
|
||||
COAP_BLOCK_USE_LIBCOAP|COAP_BLOCK_SINGLE_BODY);
|
||||
#ifdef CONFIG_COAP_MBEDTLS_PSK
|
||||
/* Need PSK setup before we set up endpoints */
|
||||
coap_context_set_psk(ctx, "CoAP",
|
||||
@@ -196,6 +208,7 @@ static void coap_example_server(void *p)
|
||||
#endif /* CONFIG_COAP_MBEDTLS_PSK */
|
||||
|
||||
#ifdef CONFIG_COAP_MBEDTLS_PKI
|
||||
/* Need PKI setup before we set up endpoints */
|
||||
unsigned int ca_pem_bytes = ca_pem_end - ca_pem_start;
|
||||
unsigned int server_crt_bytes = server_crt_end - server_crt_start;
|
||||
unsigned int server_key_bytes = server_key_end - server_key_start;
|
||||
@@ -214,7 +227,7 @@ static void coap_example_server(void *p)
|
||||
* define what checking actually takes place.
|
||||
*/
|
||||
dtls_pki.verify_peer_cert = 1;
|
||||
dtls_pki.require_peer_cert = 1;
|
||||
dtls_pki.check_common_ca = 1;
|
||||
dtls_pki.allow_self_signed = 1;
|
||||
dtls_pki.allow_expired_certs = 1;
|
||||
dtls_pki.cert_chain_validation = 1;
|
||||
@@ -256,7 +269,7 @@ static void coap_example_server(void *p)
|
||||
/* This is not critical as unencrypted support is still available */
|
||||
ESP_LOGI(TAG, "MbedTLS (D)TLS Server Mode not configured");
|
||||
#else /* CONFIG_MBEDTLS_TLS_SERVER */
|
||||
serv_addr.addr.sin.sin_port = htons(COAPS_DEFAULT_PORT);
|
||||
serv_addr.addr.sin6.sin6_port = htons(COAPS_DEFAULT_PORT);
|
||||
ep = coap_new_endpoint(ctx, &serv_addr, COAP_PROTO_DTLS);
|
||||
if (!ep) {
|
||||
ESP_LOGE(TAG, "dtls: coap_new_endpoint() failed");
|
||||
@@ -267,7 +280,7 @@ static void coap_example_server(void *p)
|
||||
/* This is not critical as unencrypted support is still available */
|
||||
ESP_LOGI(TAG, "MbedTLS (D)TLS Server Mode not configured");
|
||||
}
|
||||
#endif /* CONFIG_COAP_MBEDTLS_PSK CONFIG_COAP_MBEDTLS_PKI */
|
||||
#endif /* CONFIG_COAP_MBEDTLS_PSK || CONFIG_COAP_MBEDTLS_PKI */
|
||||
resource = coap_resource_init(coap_make_str_const("Espressif"), 0);
|
||||
if (!resource) {
|
||||
ESP_LOGE(TAG, "coap_resource_init() failed");
|
||||
@@ -280,10 +293,26 @@ static void coap_example_server(void *p)
|
||||
coap_resource_set_get_observable(resource, 1);
|
||||
coap_add_resource(ctx, resource);
|
||||
|
||||
#if defined(CONFIG_EXAMPLE_COAP_MCAST_IPV4) || defined(CONFIG_EXAMPLE_COAP_MCAST_IPV6)
|
||||
esp_netif_t *netif = NULL;
|
||||
for (int i = 0; i < esp_netif_get_nr_of_ifs(); ++i) {
|
||||
char buf[8];
|
||||
netif = esp_netif_next(netif);
|
||||
esp_netif_get_netif_impl_name(netif, buf);
|
||||
#if defined(CONFIG_EXAMPLE_COAP_MCAST_IPV4)
|
||||
coap_join_mcast_group_intf(ctx, CONFIG_EXAMPLE_COAP_MULTICAST_IPV4_ADDR, buf);
|
||||
#endif /* CONFIG_EXAMPLE_COAP_MCAST_IPV4 */
|
||||
#if defined(CONFIG_EXAMPLE_COAP_MCAST_IPV6)
|
||||
/* When adding IPV6 esp-idf requires ifname param to be filled in */
|
||||
coap_join_mcast_group_intf(ctx, CONFIG_EXAMPLE_COAP_MULTICAST_IPV6_ADDR, buf);
|
||||
#endif /* CONFIG_EXAMPLE_COAP_MCAST_IPV6 */
|
||||
}
|
||||
#endif /* CONFIG_EXAMPLE_COAP_MCAST_IPV4 || CONFIG_EXAMPLE_COAP_MCAST_IPV6 */
|
||||
|
||||
wait_ms = COAP_RESOURCE_CHECK_TIME * 1000;
|
||||
|
||||
while (1) {
|
||||
int result = coap_run_once(ctx, wait_ms);
|
||||
int result = coap_io_process(ctx, wait_ms);
|
||||
if (result < 0) {
|
||||
break;
|
||||
} else if (result && (unsigned)result < wait_ms) {
|
||||
|
||||
Reference in New Issue
Block a user