Add support for IPv6 in WAMR (#1411)

For now this implementation only covers posix platforms, as defined in MVP #1336
This commit is contained in:
Marcin Kolny
2022-09-01 16:20:53 +02:00
committed by GitHub
parent 0e17ab2f75
commit 0ffac101a1
12 changed files with 551 additions and 165 deletions

View File

@ -31,21 +31,38 @@ ipv4_addr_to_wasi_addr(uint32_t addr_num, uint16_t port, __wasi_addr_t *out)
out->addr.ip4.addr.n3 = (addr_num & 0x000000FF);
}
static void
ipv6_addr_to_wasi_addr(uint16_t *addr, uint16_t port, __wasi_addr_t *out)
{
out->kind = IPv6;
out->addr.ip6.port = ntohs(port);
out->addr.ip6.addr.n0 = ntohs(addr[0]);
out->addr.ip6.addr.n1 = ntohs(addr[1]);
out->addr.ip6.addr.n2 = ntohs(addr[2]);
out->addr.ip6.addr.n3 = ntohs(addr[3]);
out->addr.ip6.addr.h0 = ntohs(addr[4]);
out->addr.ip6.addr.h1 = ntohs(addr[5]);
out->addr.ip6.addr.h2 = ntohs(addr[6]);
out->addr.ip6.addr.h3 = ntohs(addr[7]);
}
static __wasi_errno_t
sockaddr_to_wasi_addr(const struct sockaddr *sock_addr, socklen_t addrlen,
__wasi_addr_t *wasi_addr)
{
__wasi_errno_t ret = __WASI_ERRNO_SUCCESS;
if (AF_INET == sock_addr->sa_family) {
assert(sizeof(struct sockaddr_in) == addrlen);
assert(sizeof(struct sockaddr_in) <= addrlen);
ipv4_addr_to_wasi_addr(
((struct sockaddr_in *)sock_addr)->sin_addr.s_addr,
((struct sockaddr_in *)sock_addr)->sin_port, wasi_addr);
}
else if (AF_INET6 == sock_addr->sa_family) {
// TODO: IPV6
ret = __WASI_ERRNO_AFNOSUPPORT;
assert(sizeof(struct sockaddr_in6) == addrlen);
ipv6_addr_to_wasi_addr(
(uint16_t *)((struct sockaddr_in6 *)sock_addr)->sin6_addr.s6_addr,
((struct sockaddr_in6 *)sock_addr)->sin6_port, wasi_addr);
}
else {
ret = __WASI_ERRNO_AFNOSUPPORT;
@ -78,8 +95,26 @@ wasi_addr_to_sockaddr(const __wasi_addr_t *wasi_addr,
break;
}
case IPv6:
// TODO: IPV6
return __WASI_ERRNO_AFNOSUPPORT;
{
struct sockaddr_in6 sock_addr_in6 = { 0 };
uint16_t *addr_buf = (uint16_t *)sock_addr_in6.sin6_addr.s6_addr;
addr_buf[0] = htons(wasi_addr->addr.ip6.addr.n0);
addr_buf[1] = htons(wasi_addr->addr.ip6.addr.n1);
addr_buf[2] = htons(wasi_addr->addr.ip6.addr.n2);
addr_buf[3] = htons(wasi_addr->addr.ip6.addr.n3);
addr_buf[4] = htons(wasi_addr->addr.ip6.addr.h0);
addr_buf[5] = htons(wasi_addr->addr.ip6.addr.h1);
addr_buf[6] = htons(wasi_addr->addr.ip6.addr.h2);
addr_buf[7] = htons(wasi_addr->addr.ip6.addr.h3);
sock_addr_in6.sin6_family = AF_INET6;
sock_addr_in6.sin6_port = htons(wasi_addr->addr.ip6.port);
memcpy(sock_addr, &sock_addr_in6, sizeof(sock_addr_in6));
*addrlen = sizeof(sock_addr_in6);
break;
}
default:
return __WASI_ERRNO_AFNOSUPPORT;
}