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Initial revision

    1: /*************************************************************************
    2: * (C) 2022 CloudSigma AG - Sofia/Bulgaria
    3: *  by Michael Pounov <misho@elwix.org>
    4: **************************************************************************/
    5: #include "fwsync.h"
    6: 
    7: 
    8: static void
    9: fwsync_sndpkt(void *context, int pending)
   10: {
   11: 	struct mbuf *m2, *m = (struct mbuf*) context;
   12: 	int e;
   13: 
   14: 	DTRACE();
   15: 
   16: 	if (fws_cfg.cfg.on & CFG_SYNC_COLLECTOR) {
   17: 		if ((fws_ctx.config & (CTX_COLLECTOR_2_ONLINE | CTX_COLLECTOR_2_READY)) == 
   18: 				(CTX_COLLECTOR_2_ONLINE | CTX_COLLECTOR_2_READY)) {
   19: 			m2 = m_copypacket(m, M_NOWAIT);
   20: 			if (!m2) {
   21: 				printf("error in copypacket for second collector\n");
   22: 				goto out;
   23: 			}
   24: 			e = sosend(fws_ctx.sockz[CFG_SYNC_ADDR_COLLECTOR_2], 
   25: 					&fws_cfg.cfg_addr[CFG_SYNC_ADDR_COLLECTOR_2].addr, NULL, 
   26: 					m2, NULL, 0, curthread);
   27: 			if (e != EAGAIN)
   28: 				printf("error in collector %d handler #%d\n", CFG_SYNC_ADDR_COLLECTOR_2, e);
   29: 		}
   30: 
   31: 		if ((fws_ctx.config & (CTX_COLLECTOR_1_ONLINE | CTX_COLLECTOR_1_READY)) == 
   32: 				(CTX_COLLECTOR_1_ONLINE | CTX_COLLECTOR_1_READY)) {
   33: 			m2 = m_copypacket(m, M_NOWAIT);
   34: 			if (!m2) {
   35: 				printf("error in copypacket for first collector\n");
   36: 				goto out;
   37: 			}
   38: 			e = sosend(fws_ctx.sockz[CFG_SYNC_ADDR_COLLECTOR_1], 
   39: 					&fws_cfg.cfg_addr[CFG_SYNC_ADDR_COLLECTOR_1].addr, NULL, 
   40: 					m2, NULL, 0, curthread);
   41: 			if (e != EAGAIN)
   42: 				printf("error in collector %d handler #%d\n", CFG_SYNC_ADDR_COLLECTOR_1, e);
   43: 		}
   44: 	}
   45: out:
   46: 	m_freem(m);
   47: 
   48: }
   49: 
   50: int
   51: fwsync_state_handler(const void *arg)
   52: {
   53: 	const struct ipfw_flow_id *pkt = arg;
   54: 	struct fws_proto *spkt;
   55: 	struct mbuf *m;
   56: 
   57: 	DTRACE();
   58: 
   59: 	if (pkt->addr_type == 1)
   60: 		return 0;	/* skip ethernet packet */
   61: 
   62: 	m = m_gethdr(M_WAITOK, MT_DATA);
   63: 	if (!m)
   64: 		return ENOMEM;
   65: 	else {
   66: 		spkt = mtod(m, struct fws_proto *);
   67: 		m->m_len = sizeof(struct fws_proto);
   68: 		m_fixhdr(m);
   69: 	}
   70: 
   71: 	spkt->fws_version = FWS_PKTVER_STATE;
   72: 	spkt->fws_fib = pkt->fib;
   73: 	spkt->fws_proto = pkt->proto;
   74: 	spkt->fws_addrtype = pkt->addr_type;
   75: 	spkt->fws_sport = pkt->src_port;
   76: 	spkt->fws_dport = pkt->dst_port;
   77: 
   78: 	switch (pkt->addr_type) {
   79: 		case 4:
   80: 			spkt->fws_saddr.s_addr = pkt->src_ip;
   81: 			spkt->fws_daddr.s_addr = pkt->dst_ip;
   82: 			spkt->fws_scopeid = 0;
   83: 			break;
   84: 		case 6:
   85: 			memcpy(&spkt->fws_saddr6, &pkt->src_ip6, sizeof spkt->fws_saddr6);
   86: 			memcpy(&spkt->fws_daddr6, &pkt->dst_ip6, sizeof spkt->fws_daddr6);
   87: 			spkt->fws_scopeid = pkt->flow_id6;
   88: 			break;
   89: 		default:
   90: 			m_free(m);
   91: 			return 0;
   92: 	}
   93: 
   94: 	TASK_INIT(&fws_sndpkt_task, 0, fwsync_sndpkt, m);
   95: 	taskqueue_enqueue(taskqueue_thread, &fws_sndpkt_task);
   96: 	return 0;
   97: }
   98: 
   99: int
  100: fwsync_alias_handler(const void *arg)
  101: {
  102: 	DTRACE();
  103: 
  104: 	return 0;
  105: }