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Differential D46183 Diff 141565 sys/netpfil/ipfw/nat64/nat64clat.c

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sys/netpfil/ipfw/nat64/nat64clat.c

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#include <netinet6/ip_fw_nat64.h> #include <netinet6/ip_fw_nat64.h>
#include <netpfil/ipfw/ip_fw_private.h> #include <netpfil/ipfw/ip_fw_private.h>
#include <netpfil/pf/pf.h> #include <netpfil/pf/pf.h>
#include "nat64clat.h" #include "nat64clat.h"
#define NAT64_LOOKUP(chain, cmd) \ #define NAT64_LOOKUP(chain, cmd) \
(struct nat64clat_cfg *)SRV_OBJECT((chain), (cmd)->arg1) (struct nat64clat_cfg *)SRV_OBJECT((chain), insntod(cmd, kidx)->kidx)
static void static void
nat64clat_log(struct pfloghdr *plog, struct mbuf *m, sa_family_t family, nat64clat_log(struct pfloghdr *plog, struct mbuf *m, sa_family_t family,
uint32_t kidx) uint32_t kidx)
{ {
static uint32_t pktid = 0; static uint32_t pktid = 0;
memset(plog, 0, sizeof(*plog)); memset(plog, 0, sizeof(*plog));
plog->length = PFLOG_HDRLEN; plog->length = PFLOG_REAL_HDRLEN;
plog->af = family; plog->af = family;
plog->action = PF_NAT; plog->action = PF_NAT;
plog->dir = PF_IN; plog->dir = PF_IN;
plog->rulenr = htonl(kidx); plog->rulenr = htonl(kidx);
pktid++; pktid++;
plog->subrulenr = htonl(pktid); plog->subrulenr = htonl(pktid);
plog->ruleset[0] = '\0'; plog->ruleset[0] = '\0';
strlcpy(plog->ifname, "NAT64CLAT", sizeof(plog->ifname)); strlcpy(plog->ifname, "NAT64CLAT", sizeof(plog->ifname));
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{ {
ipfw_insn *icmd; ipfw_insn *icmd;
struct nat64clat_cfg *cfg; struct nat64clat_cfg *cfg;
int ret; int ret;
IPFW_RLOCK_ASSERT(chain); IPFW_RLOCK_ASSERT(chain);
*done = 0; /* try next rule if not matched */ *done = 0; /* try next rule if not matched */
icmd = cmd + 1; icmd = cmd + F_LEN(cmd);
if (cmd->opcode != O_EXTERNAL_ACTION || if (cmd->opcode != O_EXTERNAL_ACTION ||
cmd->arg1 != V_nat64clat_eid || insntod(cmd, kidx)->kidx != V_nat64clat_eid ||
icmd->opcode != O_EXTERNAL_INSTANCE || icmd->opcode != O_EXTERNAL_INSTANCE ||
(cfg = NAT64_LOOKUP(chain, icmd)) == NULL) (cfg = NAT64_LOOKUP(chain, icmd)) == NULL)
return (0); return (0);
switch (args->f_id.addr_type) { switch (args->f_id.addr_type) {
case 4: case 4:
ret = nat64clat_handle_ip4(chain, cfg, args->m); ret = nat64clat_handle_ip4(chain, cfg, args->m);
break; break;
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