struct fwtcp *
fwtcp_create(struct fwspec *fwspec)
{
struct fwtcp *fwtcp;
SOCKET lsock;
int status;
err_t error;
lsock = proxy_bound_socket(fwspec->sdom, fwspec->stype, &fwspec->src.sa);
if (lsock == INVALID_SOCKET) {
perror("socket");
return NULL;
}
fwtcp = (struct fwtcp *)malloc(sizeof(*fwtcp));
if (fwtcp == NULL) {
closesocket(lsock);
return NULL;
}
fwtcp->pmhdl.callback = fwtcp_pmgr_listen;
fwtcp->pmhdl.data = (void *)fwtcp;
fwtcp->pmhdl.slot = -1;
fwtcp->sock = lsock;
fwtcp->fwspec = *fwspec; /* struct copy */
error = sys_mbox_new(&fwtcp->connmbox, 16);
if (error != ERR_OK) {
closesocket(lsock);
free(fwtcp);
return (NULL);
}
#define CALLBACK_MSG(MSG, FUNC) \
do { \
fwtcp->MSG.type = TCPIP_MSG_CALLBACK_STATIC; \
fwtcp->MSG.sem = NULL; \
fwtcp->MSG.msg.cb.function = FUNC; \
fwtcp->MSG.msg.cb.ctx = (void *)fwtcp; \
} while (0)
CALLBACK_MSG(msg_connect, fwtcp_pcb_connect);
CALLBACK_MSG(msg_delete, fwtcp_pcb_delete);
#undef CALLBACK_MSG
status = pollmgr_add(&fwtcp->pmhdl, fwtcp->sock, POLLIN);
if (status < 0) {
sys_mbox_free(&fwtcp->connmbox);
closesocket(lsock);
free(fwtcp);
return NULL;
}
fwtcp->next = fwtcp_list;
fwtcp_list = fwtcp;
return fwtcp;
}
struct fwudp *
fwudp_create(struct fwspec *fwspec)
{
struct fwudp *fwudp;
SOCKET sock;
int status;
sock = proxy_bound_socket(fwspec->sdom, fwspec->stype, &fwspec->src.sa);
if (sock == INVALID_SOCKET) {
perror("socket");
return NULL;
}
fwudp = (struct fwudp *)malloc(sizeof(*fwudp));
if (fwudp == NULL) {
closesocket(sock);
return NULL;
}
fwudp->pmhdl.callback = fwudp_pmgr_pump;
fwudp->pmhdl.data = (void *)fwudp;
fwudp->pmhdl.slot = -1;
fwudp->sock = sock;
fwudp->fwspec = *fwspec; /* struct copy */
/* XXX */
if (fwspec->sdom == PF_INET) {
struct sockaddr_in *dst4 = &fwspec->dst.sin;
memcpy(&fwudp->dst_addr.ip4, &dst4->sin_addr, sizeof(ip_addr_t));
fwudp->dst_port = htons(dst4->sin_port);
}
else { /* PF_INET6 */
struct sockaddr_in6 *dst6 = &fwspec->dst.sin6;
memcpy(&fwudp->dst_addr.ip6, &dst6->sin6_addr, sizeof(ip6_addr_t));
fwudp->dst_port = htons(dst6->sin6_port);
}
fwudp->inbuf.bufsize = 256; /* elements */
fwudp->inbuf.buf
= (struct fwudp_dgram *)calloc(fwudp->inbuf.bufsize,
sizeof(struct fwudp_dgram));
if (fwudp->inbuf.buf == NULL) {
closesocket(sock);
free(fwudp);
return (NULL);
}
fwudp->inbuf.vacant = 0;
fwudp->inbuf.unsent = 0;
#define CALLBACK_MSG(MSG, FUNC) \
do { \
fwudp->MSG.type = TCPIP_MSG_CALLBACK_STATIC; \
fwudp->MSG.sem = NULL; \
fwudp->MSG.msg.cb.function = FUNC; \
fwudp->MSG.msg.cb.ctx = (void *)fwudp; \
} while (0)
CALLBACK_MSG(msg_send, fwudp_pcb_send);
CALLBACK_MSG(msg_delete, fwudp_pcb_delete);
#undef CALLBACK_MSG
status = pollmgr_add(&fwudp->pmhdl, fwudp->sock, POLLIN);
if (status < 0) {
closesocket(sock);
free(fwudp->inbuf.buf);
free(fwudp);
return NULL;
}
fwudp->next = fwudp_list;
fwudp_list = fwudp;
return fwudp;
}