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memset structures to 0; add isc_sockaddr_v6fromin() and isc_sockaddr_pf()

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This commit is contained in:
Bob Halley 1999-07-15 20:10:38 +00:00
parent 9bdb8a4008
commit ae35d63c9d
1 changed files with 47 additions and 0 deletions
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47
lib/isc/sockaddr.c
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@ -111,10 +111,16 @@ isc_sockaddr_hash(isc_sockaddr_t *sockaddr, isc_boolean_t address_only) {
return (h); return (h);
} }
/*
* v6v4addr is used when creating IPv4-mapped IPv6 addresses.
*/
static struct in6_addr v6v4addr = {{{ 0,0,0,0,0,0,0,0,0,0,255,255,0,0,0,0 }}};
void void
isc_sockaddr_fromin(isc_sockaddr_t *sockaddr, struct in_addr *ina, isc_sockaddr_fromin(isc_sockaddr_t *sockaddr, struct in_addr *ina,
unsigned int port) unsigned int port)
{ {
memset(sockaddr, 0, sizeof *sockaddr);
sockaddr->type.sin.sin_family = AF_INET; sockaddr->type.sin.sin_family = AF_INET;
#ifdef ISC_NET_HAVESALEN #ifdef ISC_NET_HAVESALEN
sockaddr->type.sin.sin_len = sizeof sockaddr->type.sin; sockaddr->type.sin.sin_len = sizeof sockaddr->type.sin;
@ -129,6 +135,7 @@ void
isc_sockaddr_fromin6(isc_sockaddr_t *sockaddr, struct in6_addr *ina6, isc_sockaddr_fromin6(isc_sockaddr_t *sockaddr, struct in6_addr *ina6,
unsigned int port) unsigned int port)
{ {
memset(sockaddr, 0, sizeof *sockaddr);
sockaddr->type.sin6.sin6_family = AF_INET6; sockaddr->type.sin6.sin6_family = AF_INET6;
#ifdef ISC_NET_HAVESALEN #ifdef ISC_NET_HAVESALEN
sockaddr->type.sin6.sin6_len = sizeof sockaddr->type.sin6; sockaddr->type.sin6.sin6_len = sizeof sockaddr->type.sin6;
@ -138,3 +145,43 @@ isc_sockaddr_fromin6(isc_sockaddr_t *sockaddr, struct in6_addr *ina6,
sockaddr->length = sizeof sockaddr->type.sin6; sockaddr->length = sizeof sockaddr->type.sin6;
ISC_LINK_INIT(sockaddr, link); ISC_LINK_INIT(sockaddr, link);
} }
void
isc_sockaddr_v6fromin(isc_sockaddr_t *sockaddr, struct in_addr *ina,
unsigned int port)
{
memset(sockaddr, 0, sizeof *sockaddr);
sockaddr->type.sin6.sin6_family = AF_INET6;
#ifdef ISC_NET_HAVESALEN
sockaddr->type.sin6.sin6_len = sizeof sockaddr->type.sin6;
#endif
sockaddr->type.sin6.sin6_addr = v6v4addr;
memcpy(&sockaddr->type.sin6.sin6_addr.s6_addr[12], ina, 4);
sockaddr->type.sin6.sin6_port = htons(port);
sockaddr->length = sizeof sockaddr->type.sin6;
ISC_LINK_INIT(sockaddr, link);
}
int
isc_sockaddr_pf(isc_sockaddr_t *sockaddr) {
/*
* Get the protocol family of 'sockaddr'.
*/
#if (AF_INET == PF_INET && AF_INET6 == PF_INET6)
/*
* Assume that PF_xxx == AF_xxx for all AF and PF.
*/
return (sockaddr->type.sa.sa_family);
#else
switch (sockaddr->type.sa.sa_family) {
case AF_INET:
return (PF_INET);
case AF_INET6:
return (PF_INET);
default:
FATAL_ERROR(__FILE__, __LINE__, "unknown address family");
}
#endif
}