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addr_is_reserved(): debug log

This commit is contained in:
Thomas Bernard 2024-05-08 16:52:06 +02:00
parent 48e5fd5dfa
commit 2edbc62c50
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GPG Key ID: DB511043A31ACAAF
1 changed files with 9 additions and 2 deletions
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11
miniupnpc/src/addr_is_reserved.c
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@ -3,7 +3,7 @@
* Project : miniupnp
* Web : http://miniupnp.free.fr/ or https://miniupnp.tuxfamily.org/
* Author : Thomas BERNARD
* copyright (c) 2005-2021 Thomas Bernard
* copyright (c) 2005-2024 Thomas Bernard
* This software is subjet to the conditions detailed in the
* provided LICENSE file. */
#ifdef _WIN32
@ -21,6 +21,9 @@ typedef unsigned long uint32_t;
#include <netinet/in.h>
#include <arpa/inet.h>
#endif /* _WIN32 */
#ifdef DEBUG
#include <stdio.h>
#endif
/* List of IP address blocks which are private / reserved and therefore not suitable for public external IP addresses */
#define IP(a, b, c, d) (((a) << 24) + ((b) << 16) + ((c) << 8) + (d))
@ -71,8 +74,12 @@ int addr_is_reserved(const char * addr_str)
address = ntohl(addr_n);
for (i = 0; i < sizeof(reserved)/sizeof(reserved[0]); ++i) {
if ((address >> reserved[i].rmask) == (reserved[i].address >> reserved[i].rmask))
if ((address >> reserved[i].rmask) == (reserved[i].address >> reserved[i].rmask)) {
#ifdef DEBUG
printf("IP address %s is reserved\n", addr_str);
#endif
return 1;
}
}
return 0;