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Fixed BACnet/SC secure connect VMAC, UUID, and initialization sequence (#1142)

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* Refactored the BACnet/SC datalink initialization order by moving certificate file checks and hub connection registration to occur after datalink initialization
* Replaced stdlib rand() with platform-specific cryptographically secure random functions (RtlGenRandom for Windows, getrandom for Linux, arc4random_buf for BSD) to generate UUID and VMAC addresses, preventing duplicates that broke connections
* Enabled conditional debug output in BACnet/SC components when BUILD=debug is specified
This commit is contained in:
Steve Karg
2025-11-14 15:41:17 -06:00
committed by GitHub
parent 74972bd025
commit 25d14c7c15
30 changed files with 672 additions and 339 deletions
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src/bacnet/config.h
-19
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@@ -164,25 +164,6 @@
#endif
#endif
#ifndef SC_NETPORT_BVLC_MAX
#define SC_NETPORT_BVLC_MAX 1500
#endif
#ifndef SC_NETPORT_NPDU_MAX
#define SC_NETPORT_NPDU_MAX 1500
#endif
#ifndef SC_NETPORT_CONNECT_TIMEOUT
#define SC_NETPORT_CONNECT_TIMEOUT 5
#endif
#ifndef SC_NETPORT_HEARTBEAT_TIMEOUT
#define SC_NETPORT_HEARTBEAT_TIMEOUT 60
#endif
#ifndef SC_NETPORT_DISCONNECT_TIMEOUT
#define SC_NETPORT_DISCONNECT_TIMEOUT 150
#endif
#ifndef SC_NETPORT_RECONNECT_TIME
#define SC_NETPORT_RECONNECT_TIME 2
#endif
/* for confirmed messages, this is the number of transactions */
/* that we hold in a queue waiting for timeout. */
/* Configure to zero if you don't want any confirmed messages */