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IPv6: in46_addr: OSMO_ASSERT() in case of unsupported calls 

There's a bit of trickery with the ip_pool and it's "lengty=8" IPv6
prefix handling, let's make sure we don't accidentially call any
support functions with addresses of wrong length.

Change-Id: I444c190bdcd18780344e1f0dad4faf3bcf9da5a5
This commit is contained in:
Harald Welte 2017-08-09 21:58:12 +02:00
parent 1ae98777d9
commit 72a38b55e3
1 changed files with 6 additions and 0 deletions
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6
lib/in46_addr.c
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@ -11,6 +11,8 @@
#include "../lib/in46_addr.h"
#include <osmocom/core/utils.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <sys/socket.h>
@ -29,6 +31,7 @@ int in46a_to_af(const struct in46_addr *in)
case 16:
return AF_INET6;
default:
OSMO_ASSERT(0);
return -1;
}
}
@ -49,6 +52,7 @@ int in46a_to_sas(struct sockaddr_storage *out, const struct in46_addr *in)
sin6->sin6_addr = in->v6;
break;
default:
OSMO_ASSERT(0);
return -1;
}
@ -161,6 +165,7 @@ int in46a_within_mask(const struct in46_addr *addr, const struct in46_addr *net,
create_ipv6_netmask(&netmask6, prefixlen);
return ipv6_within_mask(&addr->v6, &net->v6, &netmask6);
default:
OSMO_ASSERT(0);
return 0;
}
}
@ -184,6 +189,7 @@ int in46a_to_eua(const struct in46_addr *src, struct ul66_t *eua)
memcpy(&eua->v[2], &src->v6, 16); /* Copy a 16 byte address */
break;
default:
OSMO_ASSERT(0);
return -1;
}
return 0;