/* Cisco NetFlow protocol */
-#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/socket.h>
-#include <netdb.h>
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
-#include <netinet/in.h>
-#include <netinet/tcp.h>
+#include <tcpdump-stdinc.h>
#include <stdio.h>
#include <string.h>
#include "interface.h"
+#include "addrtoname.h"
+#include "extract.h"
+
+#include "tcp.h"
+#include "ipproto.h"
struct nfhdr {
u_int32_t ver_cnt; /* version [15], and # of records */
};
struct nfrec {
- in_addr_t src_ina;
- in_addr_t dst_ina;
- in_addr_t nhop_ina;
+ struct in_addr src_ina;
+ struct in_addr dst_ina;
+ struct in_addr nhop_ina;
u_int32_t ifaces; /* src,dst ifaces */
u_int32_t packets;
u_int32_t octets;
u_int32_t ports; /* src,dst ports */
u_int32_t proto_tos; /* proto, tos, pad, flags(v5) */
u_int32_t asses; /* v1: flags; v5: src,dst AS */
- u_int32_t masks; /* src,dst addr prefix */
-
+ u_int32_t masks; /* src,dst addr prefix; v6: encaps */
+ struct in_addr peer_nexthop; /* v6: IP address of the nexthop within the peer (FIB)*/
};
void
-cnfp_print(const u_char *cp, u_int len, const u_char *bp)
+cnfp_print(const u_char *cp, const u_char *bp _U_)
{
register const struct nfhdr *nh;
register const struct nfrec *nr;
- register const struct ip *ip;
struct protoent *pent;
int nrecs, ver;
+#if 0
time_t t;
- char *p;
+#endif
- ip = (struct ip *)bp;
- nh = (struct nfhdr *)cp;
+ nh = (const struct nfhdr *)cp;
- if ((u_char *)(nh + 1) > snapend)
+ if ((const u_char *)(nh + 1) > snapend)
return;
- nrecs = ntohl(nh->ver_cnt) & 0xffff;
- ver = (ntohl(nh->ver_cnt) & 0xffff0000) >> 16;
- t = ntohl(nh->utc_sec);
-/* (p = ctime(&t))[24] = '\0'; */
+ nrecs = EXTRACT_32BITS(&nh->ver_cnt) & 0xffff;
+ ver = (EXTRACT_32BITS(&nh->ver_cnt) & 0xffff0000) >> 16;
+#if 0
+ /*
+ * This is seconds since the UN*X epoch, and is followed by
+ * nanoseconds. XXX - format it, rather than just dumping the
+ * raw seconds-since-the-Epoch.
+ */
+ t = EXTRACT_32BITS(&nh->utc_sec);
+#endif
printf("NetFlow v%x, %u.%03u uptime, %u.%09u, ", ver,
- ntohl(nh->msys_uptime)/1000, ntohl(nh->msys_uptime)%1000,
- ntohl(nh->utc_sec), ntohl(nh->utc_nsec));
+ EXTRACT_32BITS(&nh->msys_uptime)/1000,
+ EXTRACT_32BITS(&nh->msys_uptime)%1000,
+ EXTRACT_32BITS(&nh->utc_sec), EXTRACT_32BITS(&nh->utc_nsec));
- if (ver == 5) {
- printf("#%u, ", htonl(nh->sequence));
- nr = (struct nfrec *)&nh[1];
+ if (ver == 5 || ver == 6) {
+ printf("#%u, ", EXTRACT_32BITS(&nh->sequence));
+ nr = (const struct nfrec *)&nh[1];
snaplen -= 24;
} else {
- nr = (struct nfrec *)&nh->sequence;
+ nr = (const struct nfrec *)&nh->sequence;
snaplen -= 16;
}
printf("%2u recs", nrecs);
- for (; nrecs-- && (u_char *)(nr + 1) <= snapend; nr++) {
- char buf[5];
- char asbuf[7];
+ for (; nrecs-- && (const u_char *)(nr + 1) <= snapend; nr++) {
+ char buf[20];
+ char asbuf[20];
printf("\n started %u.%03u, last %u.%03u",
- ntohl(nr->start_time)/1000, ntohl(nr->start_time)%1000,
- ntohl(nr->last_time)/1000, ntohl(nr->last_time)%1000);
+ EXTRACT_32BITS(&nr->start_time)/1000,
+ EXTRACT_32BITS(&nr->start_time)%1000,
+ EXTRACT_32BITS(&nr->last_time)/1000,
+ EXTRACT_32BITS(&nr->last_time)%1000);
asbuf[0] = buf[0] = '\0';
- if (ver == 5) {
- sprintf(buf, "/%d", (ntohl(nr->masks) >> 24) & 0xff);
- sprintf(asbuf, "%d:", (ntohl(nr->asses) >> 16) & 0xffff);
+ if (ver == 5 || ver == 6) {
+ snprintf(buf, sizeof(buf), "/%u",
+ (EXTRACT_32BITS(&nr->masks) >> 24) & 0xff);
+ snprintf(asbuf, sizeof(asbuf), ":%u",
+ (EXTRACT_32BITS(&nr->asses) >> 16) & 0xffff);
}
- printf("\n %s%s%s:%u ", inet_ntoa(nr->src_ina), buf, asbuf,
- ntohl(nr->ports) >> 16);
-
- if (ver == 5) {
- sprintf(buf, "/%d", (ntohl(nr->masks) >> 16) & 0xff);
- sprintf(asbuf, "%d:", ntohl(nr->asses) & 0xffff);
+ printf("\n %s%s%s:%u ", intoa(nr->src_ina.s_addr), buf, asbuf,
+ EXTRACT_32BITS(&nr->ports) >> 16);
+
+ if (ver == 5 || ver ==6) {
+ snprintf(buf, sizeof(buf), "/%d",
+ (EXTRACT_32BITS(&nr->masks) >> 16) & 0xff);
+ snprintf(asbuf, sizeof(asbuf), ":%u",
+ EXTRACT_32BITS(&nr->asses) & 0xffff);
}
- printf("> %s%s%s:%u ", inet_ntoa(nr->dst_ina), buf, asbuf,
- ntohl(nr->ports) & 0xffff);
+ printf("> %s%s%s:%u ", intoa(nr->dst_ina.s_addr), buf, asbuf,
+ EXTRACT_32BITS(&nr->ports) & 0xffff);
- printf(">> %s\n ", inet_ntoa(nr->nhop_ina));
+ printf(">> %s\n ", intoa(nr->nhop_ina.s_addr));
- pent = getprotobynumber((ntohl(nr->proto_tos) >> 8) & 0xff);
+ pent = getprotobynumber((EXTRACT_32BITS(&nr->proto_tos) >> 8) & 0xff);
if (!pent || nflag)
- printf("%u ", (ntohl(nr->proto_tos) >> 8) & 0xff);
+ printf("%u ",
+ (EXTRACT_32BITS(&nr->proto_tos) >> 8) & 0xff);
else
printf("%s ", pent->p_name);
if (pent && pent->p_proto == IPPROTO_TCP) {
int flags;
if (ver == 1)
- flags = (ntohl(nr->asses) >> 24) & 0xff;
+ flags = (EXTRACT_32BITS(&nr->asses) >> 24) & 0xff;
else
- flags = (ntohl(nr->proto_tos) >> 16) & 0xff;
+ flags = (EXTRACT_32BITS(&nr->proto_tos) >> 16) & 0xff;
if (flags & TH_FIN) putchar('F');
if (flags & TH_SYN) putchar('S');
if (flags & TH_RST) putchar('R');
if (flags)
putchar(' ');
}
- printf("tos %u, %u (%u octets)", ntohl(nr->proto_tos) & 0xff,
- ntohl(nr->packets), ntohl(nr->octets));
-
+ buf[0]='\0';
+ if (ver == 6) {
+ snprintf(buf, sizeof(buf), "(%u<>%u encaps)",
+ (EXTRACT_32BITS(&nr->masks) >> 8) & 0xff,
+ (EXTRACT_32BITS(&nr->masks)) & 0xff);
+ }
+ printf("tos %u, %u (%u octets) %s",
+ EXTRACT_32BITS(&nr->proto_tos) & 0xff,
+ EXTRACT_32BITS(&nr->packets),
+ EXTRACT_32BITS(&nr->octets), buf);
}
-
}
-
projects / tcpdump / blobdiff