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head/sys/netpfil/ipfw/ip_fw_log.c
| Show First 20 Lines • Show All 93 Lines • ▼ Show 20 Lines | |||||
| #define TARG(k, f) IP_FW_ARG_TABLEARG(chain, k, f) | #define TARG(k, f) IP_FW_ARG_TABLEARG(chain, k, f) | ||||
| /* | /* | ||||
| * We enter here when we have a rule with O_LOG. | * We enter here when we have a rule with O_LOG. | ||||
| * XXX this function alone takes about 2Kbytes of code! | * XXX this function alone takes about 2Kbytes of code! | ||||
| */ | */ | ||||
| void | void | ||||
| ipfw_log(struct ip_fw_chain *chain, struct ip_fw *f, u_int hlen, | ipfw_log(struct ip_fw_chain *chain, struct ip_fw *f, u_int hlen, | ||||
| struct ip_fw_args *args, struct mbuf *m, | struct ip_fw_args *args, u_short offset, uint32_t tablearg, struct ip *ip) | ||||
| u_short offset, uint32_t tablearg, struct ip *ip) | |||||
| { | { | ||||
| char *action; | char *action; | ||||
| int limit_reached = 0; | int limit_reached = 0; | ||||
| char action2[92], proto[128], fragment[32]; | char action2[92], proto[128], fragment[32]; | ||||
| if (V_fw_verbose == 0) { | if (V_fw_verbose == 0) { | ||||
| if (args->flags & IPFW_ARGS_ETHER) /* layer2, use orig hdr */ | if (args->flags & IPFW_ARGS_LENMASK) | ||||
| ipfw_bpf_mtap2(args->eh, ETHER_HDR_LEN, m); | ipfw_bpf_tap(args->mem, IPFW_ARGS_LENGTH(args->flags)); | ||||
| else if (args->flags & IPFW_ARGS_ETHER) | |||||
| /* layer2, use orig hdr */ | |||||
| ipfw_bpf_mtap(args->m); | |||||
| else { | else { | ||||
| /* Add fake header. Later we will store | /* Add fake header. Later we will store | ||||
| * more info in the header. | * more info in the header. | ||||
| */ | */ | ||||
| if (ip->ip_v == 4) | if (ip->ip_v == 4) | ||||
| ipfw_bpf_mtap2("DDDDDDSSSSSS\x08\x00", | ipfw_bpf_mtap2("DDDDDDSSSSSS\x08\x00", | ||||
| ETHER_HDR_LEN, m); | ETHER_HDR_LEN, args->m); | ||||
| else if (ip->ip_v == 6) | else if (ip->ip_v == 6) | ||||
| ipfw_bpf_mtap2("DDDDDDSSSSSS\x86\xdd", | ipfw_bpf_mtap2("DDDDDDSSSSSS\x86\xdd", | ||||
| ETHER_HDR_LEN, m); | ETHER_HDR_LEN, args->m); | ||||
| else | else | ||||
| /* Obviously bogus EtherType. */ | /* Obviously bogus EtherType. */ | ||||
| ipfw_bpf_mtap2("DDDDDDSSSSSS\xff\xff", | ipfw_bpf_mtap2("DDDDDDSSSSSS\xff\xff", | ||||
| ETHER_HDR_LEN, m); | ETHER_HDR_LEN, args->m); | ||||
| } | } | ||||
| return; | return; | ||||
| } | } | ||||
| /* the old 'log' function */ | /* the old 'log' function */ | ||||
| fragment[0] = '\0'; | fragment[0] = '\0'; | ||||
| proto[0] = '\0'; | proto[0] = '\0'; | ||||
| if (f == NULL) { /* bogus pkt */ | if (f == NULL) { /* bogus pkt */ | ||||
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