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Do not fail hard when rev-server has a non-zero final address part

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Signed-off-by: DL6ER <dl6er@dl6er.de>
This commit is contained in:
Dominik Derigs
2021-09-30 11:03:05 +02:00
committed by Simon Kelley
parent 267ab619c4
commit ed4e7defd7
1 changed files with 5 additions and 13 deletions
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18
src/option.c
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@@ -963,13 +963,9 @@ static char *domain_rev4(int from_file, char *server, struct in_addr *addr4, int
if (size > 32 || size < 1)
return _("bad IPv4 prefix length");
for (i = 0; i < addrbytes; i++)
if (((u8 *)addr4)[3-i] != 0)
break;
if (i != addrbytes || (((u8 *)addr4)[3-addrbytes] & ((1 << addrbits) - 1)) != 0)
return _("address part not zero");
/* Zero out last address bits according to CIDR mask */
((u8 *)addr4)[3-addrbytes] &= ~((1 << addrbits)-1);
size = size & ~0x7;
@@ -1026,13 +1022,9 @@ static char *domain_rev6(int from_file, char *server, struct in6_addr *addr6, in
if (size > 128 || size < 1)
return _("bad IPv6 prefix length");
for (i = 0; i < addrbytes; i++)
if (addr6->s6_addr[15-i] != 0)
break;
if (i != addrbytes || (addr6->s6_addr[15-addrbytes] & ((1 << addrbits) - 1)) != 0)
return _("address part not zero");
/* Zero out last address bits according to CIDR mask */
addr6->s6_addr[15-addrbytes] &= ~((1 << addrbits) - 1);
size = size & ~0x3;