Xinlei Cao / Mbed 2 deprecated MbedSmartRestMain

Own fork of MbedSmartRestMain

Dependencies:   C027_Support C12832 LM75B MMA7660 MbedSmartRest mbed-rtos mbed

Fork of MbedSmartRestMain by Cumulocity Official

DeviceBootstrap.cpp@67:c360a2b2c948, 2014-11-30 (annotated)

Committer:
vwochnik
Date:
Sun Nov 30 19:34:49 2014 +0000
Revision:
67:c360a2b2c948
Parent:
65:a62dbef2f924
Child:
71:063c45e99578
refactor credentials persistence, add factory reset upon fire press button

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Cumulocity 41:804f6a0bda26 1 #include "DeviceBootstrap.h"
Cumulocity 41:804f6a0bda26 2 #include <stdlib.h>
Cumulocity 41:804f6a0bda26 3 #include <stdio.h>
Cumulocity 41:804f6a0bda26 4 #include <string.h>
Cumulocity 41:804f6a0bda26 5 #include "rtos.h"
Cumulocity 41:804f6a0bda26 6 #include "ComposedRecord.h"
Cumulocity 41:804f6a0bda26 7 #include "CharValue.h"
Cumulocity 41:804f6a0bda26 8 #include "IntegerValue.h"
Cumulocity 41:804f6a0bda26 9 #include "ParsedRecord.h"
Cumulocity 41:804f6a0bda26 10
vwochnik 67:c360a2b2c948 11 DeviceBootstrap::DeviceBootstrap(AbstractSmartRest& client, DeviceIO& io, DeviceInfo& deviceInfo, DeviceMemory& deviceMemory) :
Cumulocity 41:804f6a0bda26 12 _client(client),
vwochnik 52:8f1370084268 13 _io(io),
vwochnik 67:c360a2b2c948 14 _deviceInfo(deviceInfo),
vwochnik 67:c360a2b2c948 15 _deviceMemory(deviceMemory)
Cumulocity 41:804f6a0bda26 16 {
Cumulocity 41:804f6a0bda26 17 *_username = *_password = '\0';
Cumulocity 41:804f6a0bda26 18 }
Cumulocity 41:804f6a0bda26 19
Cumulocity 41:804f6a0bda26 20 bool DeviceBootstrap::setUpCredentials()
Cumulocity 41:804f6a0bda26 21 {
Cumulocity 41:804f6a0bda26 22 if (((*_username == '\0') || (*_password == '\0')) &&
Cumulocity 41:804f6a0bda26 23 (!obtainFromStorage())) {
Cumulocity 41:804f6a0bda26 24 if (!obtainFromPlatform())
Cumulocity 41:804f6a0bda26 25 return false;
Cumulocity 41:804f6a0bda26 26 if (!writeToStorage())
Cumulocity 41:804f6a0bda26 27 puts("Warning: Could not write credentials to file!");
Cumulocity 41:804f6a0bda26 28 }
Cumulocity 41:804f6a0bda26 29
Cumulocity 41:804f6a0bda26 30 if (_client.setAuthorization(_username, _password) != SMARTREST_SUCCESS)
Cumulocity 41:804f6a0bda26 31 return false;
Cumulocity 41:804f6a0bda26 32 return true;
Cumulocity 41:804f6a0bda26 33 }
Cumulocity 41:804f6a0bda26 34
Cumulocity 46:f6976fd64387 35 const char * DeviceBootstrap::username()
Cumulocity 46:f6976fd64387 36 {
Cumulocity 46:f6976fd64387 37 return _username;
Cumulocity 46:f6976fd64387 38 }
Cumulocity 46:f6976fd64387 39
Cumulocity 46:f6976fd64387 40 const char * DeviceBootstrap::password()
Cumulocity 46:f6976fd64387 41 {
Cumulocity 46:f6976fd64387 42 return _password;
Cumulocity 46:f6976fd64387 43 }
Cumulocity 46:f6976fd64387 44
Cumulocity 41:804f6a0bda26 45 bool DeviceBootstrap::obtainFromStorage()
Cumulocity 41:804f6a0bda26 46 {
vwochnik 67:c360a2b2c948 47 return _deviceMemory.loadPlatformCredentials(_username, _password, DEVICE_BOOTSTRAP_CREDENTIALS_LENGTH);
Cumulocity 41:804f6a0bda26 48 }
Cumulocity 41:804f6a0bda26 49
Cumulocity 41:804f6a0bda26 50 bool DeviceBootstrap::obtainFromPlatform()
Cumulocity 41:804f6a0bda26 51 {
Cumulocity 41:804f6a0bda26 52 uint8_t ret;
vwochnik 52:8f1370084268 53 uint8_t tries;
Cumulocity 41:804f6a0bda26 54
Cumulocity 41:804f6a0bda26 55 ComposedRecord record;
Cumulocity 41:804f6a0bda26 56 ParsedRecord recvdRecord;
Cumulocity 41:804f6a0bda26 57
Cumulocity 41:804f6a0bda26 58 IntegerValue msgId(61);
vwochnik 52:8f1370084268 59 CharValue identifier(_deviceInfo.imei());
Cumulocity 41:804f6a0bda26 60 if ((!record.add(msgId)) || (!record.add(identifier)))
Cumulocity 41:804f6a0bda26 61 return false;
Cumulocity 41:804f6a0bda26 62
Cumulocity 41:804f6a0bda26 63 // set authorization for bootstrap
Cumulocity 41:804f6a0bda26 64 if (_client.setAuthorization(DEVICE_BOOTSTRAP_USERNAME, DEVICE_BOOTSTRAP_PASSWORD) != SMARTREST_SUCCESS)
Cumulocity 41:804f6a0bda26 65 return false;
Cumulocity 41:804f6a0bda26 66
vwochnik 52:8f1370084268 67 _io.lcdPrint("BOOTSTRAP", _deviceInfo.imei());
vwochnik 52:8f1370084268 68
vwochnik 52:8f1370084268 69 tries = 255;
vwochnik 52:8f1370084268 70 do {
Cumulocity 41:804f6a0bda26 71 if (_client.send(record, "") != SMARTREST_SUCCESS) {
Cumulocity 41:804f6a0bda26 72 _client.stop();
Cumulocity 41:804f6a0bda26 73 Thread::wait(2000);
Cumulocity 41:804f6a0bda26 74 continue;
Cumulocity 41:804f6a0bda26 75 }
Cumulocity 41:804f6a0bda26 76
Cumulocity 41:804f6a0bda26 77 if (_client.receive(recvdRecord) != SMARTREST_SUCCESS) {
Cumulocity 41:804f6a0bda26 78 _client.stop();
Cumulocity 41:804f6a0bda26 79 Thread::wait(2000);
Cumulocity 41:804f6a0bda26 80 continue;
Cumulocity 41:804f6a0bda26 81 }
Cumulocity 42:104746744af8 82 _client.stop();
Cumulocity 41:804f6a0bda26 83
Cumulocity 42:104746744af8 84 for (size_t q = 0; q < recvdRecord.values(); q++)
Cumulocity 42:104746744af8 85 puts(recvdRecord.rawValue(q));
Cumulocity 42:104746744af8 86
Cumulocity 41:804f6a0bda26 87 if ((recvdRecord.values() < 1) ||
Cumulocity 41:804f6a0bda26 88 (recvdRecord.value(0).integerValue() == 50)) {
Cumulocity 41:804f6a0bda26 89 Thread::wait(2000);
Cumulocity 41:804f6a0bda26 90 continue;
Cumulocity 41:804f6a0bda26 91 }
Cumulocity 41:804f6a0bda26 92
Cumulocity 41:804f6a0bda26 93 if ((recvdRecord.value(0).integerValue() != 70) ||
Cumulocity 41:804f6a0bda26 94 (recvdRecord.values() != 6)) {
Cumulocity 41:804f6a0bda26 95 return false;
Cumulocity 41:804f6a0bda26 96 }
Cumulocity 41:804f6a0bda26 97
Cumulocity 41:804f6a0bda26 98 setCredentials(recvdRecord.value(3).characterValue(),
Cumulocity 41:804f6a0bda26 99 recvdRecord.value(4).characterValue(),
Cumulocity 41:804f6a0bda26 100 recvdRecord.value(5).characterValue());
Cumulocity 41:804f6a0bda26 101
vwochnik 52:8f1370084268 102 _io.lcdPrint("BOOTSTRAP SUCCESSFUL", _username, _password);
vwochnik 52:8f1370084268 103
Cumulocity 41:804f6a0bda26 104 return true;
vwochnik 52:8f1370084268 105 } while (--tries > 0);
vwochnik 52:8f1370084268 106
vwochnik 52:8f1370084268 107 _io.lcdPrint("BOOTSTRAP FAILURE");
Cumulocity 41:804f6a0bda26 108 return false;
Cumulocity 41:804f6a0bda26 109 }
Cumulocity 41:804f6a0bda26 110
Cumulocity 41:804f6a0bda26 111 bool DeviceBootstrap::writeToStorage()
Cumulocity 41:804f6a0bda26 112 {
vwochnik 67:c360a2b2c948 113 return _deviceMemory.savePlatformCredentials(_username, _password, DEVICE_BOOTSTRAP_CREDENTIALS_LENGTH);
Cumulocity 41:804f6a0bda26 114 }
Cumulocity 41:804f6a0bda26 115
Cumulocity 41:804f6a0bda26 116 void DeviceBootstrap::setCredentials(const char *tenant, const char *username, const char *password)
Cumulocity 41:804f6a0bda26 117 {
Cumulocity 41:804f6a0bda26 118 *_username = '\0';
Cumulocity 41:804f6a0bda26 119 if (tenant != NULL) {
Cumulocity 41:804f6a0bda26 120 strncpy(_username, tenant, DEVICE_BOOTSTRAP_CREDENTIALS_LENGTH);
Cumulocity 41:804f6a0bda26 121 _username[DEVICE_BOOTSTRAP_CREDENTIALS_LENGTH-1] = '\0';
Cumulocity 41:804f6a0bda26 122 if (strlen(_username)+1 < DEVICE_BOOTSTRAP_CREDENTIALS_LENGTH)
Cumulocity 41:804f6a0bda26 123 strcat(_username, "/");
Cumulocity 41:804f6a0bda26 124 }
Cumulocity 41:804f6a0bda26 125 strncat(_username, username, DEVICE_BOOTSTRAP_CREDENTIALS_LENGTH-strlen(_username));
Cumulocity 41:804f6a0bda26 126 _username[DEVICE_BOOTSTRAP_CREDENTIALS_LENGTH-1] = '\0';
Cumulocity 41:804f6a0bda26 127
Cumulocity 41:804f6a0bda26 128 strncpy(_password, password, DEVICE_BOOTSTRAP_CREDENTIALS_LENGTH);
Cumulocity 41:804f6a0bda26 129 _password[DEVICE_BOOTSTRAP_CREDENTIALS_LENGTH-1] = '\0';
Cumulocity 41:804f6a0bda26 130 }