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Fix BACnet IPv4 decode to allow for NULL (#72)

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Co-authored-by: Steve Karg <skarg@users.sourceforge.net>
This commit is contained in:
Steve Karg
2020-04-15 00:03:21 -05:00
committed by GitHub
parent 5c8e3406cb
commit 1ead6acea5
2 changed files with 37 additions and 41 deletions
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src/bacnet/basic/bbmd/h_bbmd.c
+9 -1
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@@ -1042,6 +1042,9 @@ int bvlc_bbmd_enabled_handler(BACNET_IP_ADDRESS *addr,
bvlc_ip_address_to_bacnet_local(src, addr);
offset = header_len + function_len - npdu_len;
debug_print_npdu("Original-Unicast-NPDU", offset, npdu_len);
} else {
debug_print_string(
"Original-Broadcast-NPDU: Unable to decode!");
}
break;
case BVLC_ORIGINAL_BROADCAST_NPDU:
@@ -1074,6 +1077,9 @@ int bvlc_bbmd_enabled_handler(BACNET_IP_ADDRESS *addr,
bbmd_fdt_forward_npdu(addr, npdu, npdu_len, true);
bbmd_bdt_forward_npdu(addr, npdu, npdu_len, true);
debug_print_npdu("Original-Broadcast-NPDU", offset, npdu_len);
} else {
debug_print_string(
"Original-Broadcast-NPDU: Unable to decode!");
}
break;
case BVLC_SECURE_BVLL:
@@ -1245,10 +1251,12 @@ void bvlc_disable_nat(void)
void bvlc_init(void)
{
debug_print_string("Initializing.");
#if BBMD_ENABLED
debug_print_string("Initializing (BBMD Enabled).");
bvlc_broadcast_distribution_table_link_array(
&BBMD_Table[0], MAX_BBMD_ENTRIES);
bvlc_foreign_device_table_link_array(&FD_Table[0], MAX_FD_ENTRIES);
#else
debug_print_string("Initializing (BBMD Disabled).");
#endif
}