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Diff for /fwsync/driver/fwsync_workers.c between versions 1.9 and 1.17

version 1.9, 2022/08/10 00:03:50 version 1.17, 2022/08/18 13:42:37
Line 1 Line 1
/*************************************************************************/*-
* (C) 2022 CloudSigma AG - Sofia/Bulgaria * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*  by Michael Pounov <misho@elwix.org> *
**************************************************************************/ * Copyright (c) 2022 Michael Pounov <misho@elwix.org>, CloudSigma AG
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
 #include "fwsync.h"  #include "fwsync.h"
   
   
 static int  
 fwsync_add_state_4(struct ipfw_flow_id *fid, u_int ruleid, u_short rulenum,   
                 u_short kidx, u_char cmdtype)  
 {  
         struct ip_fw *rule = NULL;  
   
         DTRACE();  
   
         return ipfw_dyn_install_sync_state(fid, rule, ruleid, rulenum, kidx, cmdtype);  
 }  
   
 static int  
 fwsync_add_state_6(struct ipfw_flow_id *fid, u_int ruleid, u_short rulenum,   
                 u_short kidx, u_char cmdtype)  
 {  
         DTRACE();  
   
         return 0;  
 }  
   
 int  int
 fwsync_add_state(const struct fws_proto *pkt)  fwsync_add_state(const struct fws_proto *pkt)
 {  {
Line 51  fwsync_add_state(const struct fws_proto *pkt) Line 53  fwsync_add_state(const struct fws_proto *pkt)
 int  int
 fwsync_add_alias(const struct fws_proto *pkt)  fwsync_add_alias(const struct fws_proto *pkt)
 {  {
           struct fws_sndpkt *p;
   
         DTRACE();          DTRACE();
   
           if (!pkt || pkt->fws_addrtype == 1)
                   return 0;       /* skip ethernet packet */
   
           p = malloc(sizeof(struct fws_sndpkt), M_FWSYNC, M_NOWAIT | M_ZERO);
           if (!p) {
                   return ENOMEM;
           } else
                   memcpy(&p->sp_proto, pkt, sizeof(struct fws_proto));
   
           mtx_lock(&fws_mtx_n);
           TAILQ_INSERT_TAIL(&fwsync_natpkt, p, sp_next);
           mtx_unlock(&fws_mtx_n);
         return 0;          return 0;
 }  }
   
Line 228  fwsync_state_sync(const void *arg, const void *extdata Line 244  fwsync_state_sync(const void *arg, const void *extdata
 {  {
         struct fws_sndpkt *pkt;          struct fws_sndpkt *pkt;
         struct ipfw_flow_id fid;          struct ipfw_flow_id fid;
           struct ip_fw *rule;
           int f_pos;
           struct ip_fw_chain *chain = &V_layer3_chain;
   
         DTRACE();          DTRACE();
   
Line 266  fwsync_state_sync(const void *arg, const void *extdata Line 285  fwsync_state_sync(const void *arg, const void *extdata
                         return EINVAL;                          return EINVAL;
         }          }
   
        if (pkt->sp_proto.fws_addrtype == 4)        f_pos = ipfw_find_rule(chain, pkt->sp_proto.fws_ruleid, pkt->sp_proto.fws_rulenum);
                fwsync_add_state_4(&fid, pkt->sp_proto.fws_ruleid, pkt->sp_proto.fws_rulenum,         rule = chain->map[f_pos];
                                pkt->sp_proto.fws_kidx, pkt->sp_proto.fws_cmdtype);        ipfw_dyn_install_sync_state(&fid, rule, 
        else if (pkt->sp_proto.fws_addrtype == 6)                        pkt->sp_proto.fws_ruleid, pkt->sp_proto.fws_rulenum, 
                fwsync_add_state_6(&fid, pkt->sp_proto.fws_ruleid, pkt->sp_proto.fws_rulenum,                         pkt->sp_proto.fws_kidx, pkt->sp_proto.fws_cmdtype);
                                pkt->sp_proto.fws_kidx, pkt->sp_proto.fws_cmdtype);
         free(pkt, M_FWSYNC);
         return 0;
 }
 
 int
 fwsync_alias_sync(const void *arg, const void *extdata)
 {
         struct fws_sndpkt *pkt;
         const struct cfg_nat *t = arg;
 
         DTRACE();
 
         mtx_lock(&fws_mtx_n);
         pkt = TAILQ_FIRST(&fwsync_natpkt);
         if (pkt)
                 TAILQ_REMOVE(&fwsync_natpkt, pkt, sp_next);
         mtx_unlock(&fws_mtx_n);
 
         if (!pkt)       /* update queue is empty */
                 return 0;
 
         if (!(fws_cfg.cfg.on & CFG_SYNC_EDGE)) {
                 free(pkt, M_FWSYNC);
                 return EAGAIN;
         }
 
         LIBALIAS_LOCK(t->lib);
         AddLink(t->lib, pkt->sp_proto.fws_saddr, pkt->sp_proto.fws_daddr, pkt->sp_proto.fws_aaddr, 
                         pkt->sp_proto.fws_sport, pkt->sp_proto.fws_dport, pkt->sp_proto.fws_aport, 
                         pkt->sp_proto.fws_linktype | LINK_SYNC_MASK);
         LIBALIAS_UNLOCK(t->lib);
   
         free(pkt, M_FWSYNC);          free(pkt, M_FWSYNC);
         return 0;          return 0;
Removed from v.1.9  
changed lines
  Added in v.1.17

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