#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <poll.h>
#include <getopt.h>
#include <pthread.h>
#include <assert.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <net/if.h>
#ifndef __linux__
#include <sys/limits.h>
#include <net/bpf.h>
#include <machine/atomic.h>
#else
#include <linux/if_ether.h>
#endif
#ifdef __FreeBSD__
#include <net/ethernet.h>
#endif
#ifdef __OpenBSD__
#include <net/ethertypes.h>
#include <netinet/in_systm.h>
#endif
#include <net/if_arp.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <netinet/ip6.h>
#include <netinet/udp.h>
#include <netinet/tcp.h>
#include <netinet/ip_icmp.h>
#include <arpa/inet.h>
#ifdef __OpenBSD__
#include <netinet/if_ether.h>
#endif
#include <aitio.h>
#ifndef roundup
#define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) /* to any y */
#endif
#define time_spec_sub(vvp, uvp) \
do { \
(vvp)->tv_sec -= (uvp)->tv_sec; \
(vvp)->tv_nsec -= (uvp)->tv_nsec; \
if ((vvp)->tv_nsec < 0) { \
(vvp)->tv_sec--; \
(vvp)->tv_nsec += 1000000000; \
} \
} while (0)
int Verbose, flg;
static void *
ShowPkt(void *buffer)
{
char Proto = 0, szStr[BUFSIZ], szLine[BUFSIZ], szWrk[BUFSIZ], szShow[USHRT_MAX] = { 0 };
#ifndef __linux__
#ifdef __FreeBSD__
struct bpf_zbuf_header *bzh = buffer;
struct icmphdr *icmp;
#endif
#ifdef __OpenBSD__
struct icmp *icmp;
#endif
struct ether_header *eth;
#else
struct icmphdr *icmp;
struct ethhdr *eth;
#endif
struct ip *ip;
struct ip6_hdr *ipv6;
struct arphdr *arp;
struct udphdr *udp;
struct tcphdr *tcp;
assert(buffer);
#ifndef __linux__
eth = (struct ether_header *) buffer;
switch (ntohs(eth->ether_type)) {
#else
#define ETHERTYPE_ARP 0x0806
#define ETHERTYPE_IP 0x0800
#define ETHERTYPE_IPV6 0x86dd
#define ETHER_HDR_LEN sizeof(struct ethhdr)
eth = (struct ethhdr *) buffer;
switch (ntohs(eth->h_proto)) {
#endif
case ETHERTYPE_ARP:
strlcpy(szWrk, "(ARP)", sizeof szWrk);
break;
case ETHERTYPE_IP:
strlcpy(szWrk, "(IP)", sizeof szWrk);
break;
case ETHERTYPE_IPV6:
strlcpy(szWrk, "(IPv6)", sizeof szWrk);
break;
default:
memset(szWrk, 0, sizeof szWrk);
}
#ifndef __linux__
snprintf(szStr, BUFSIZ, "%02x:%02x:%02x:%02x:%02x:%02x", eth->ether_shost[0], eth->ether_shost[1],
eth->ether_shost[2], eth->ether_shost[3], eth->ether_shost[4], eth->ether_shost[5]);
snprintf(szLine, BUFSIZ, "ether_type: %04x%s, src_mac: %s, ", ntohs(eth->ether_type), szWrk, szStr);
strlcat(szShow, szLine, USHRT_MAX);
snprintf(szStr, BUFSIZ, "%02x:%02x:%02x:%02x:%02x:%02x", eth->ether_dhost[0], eth->ether_dhost[1],
eth->ether_dhost[2], eth->ether_dhost[3], eth->ether_dhost[4], eth->ether_dhost[5]);
#else
snprintf(szStr, BUFSIZ, "%02x:%02x:%02x:%02x:%02x:%02x", eth->h_source[0], eth->h_source[1],
eth->h_source[2], eth->h_source[3], eth->h_source[4], eth->h_source[5]);
snprintf(szLine, BUFSIZ, "ether_type: %04x%s, src_mac: %s, ", ntohs(eth->h_proto), szWrk, szStr);
strlcat(szShow, szLine, USHRT_MAX);
snprintf(szStr, BUFSIZ, "%02x:%02x:%02x:%02x:%02x:%02x", eth->h_dest[0], eth->h_dest[1],
eth->h_dest[2], eth->h_dest[3], eth->h_dest[4], eth->h_dest[5]);
#endif
snprintf(szLine, BUFSIZ, "dst_mac: %s\n", szStr);
strlcat(szShow, szLine, USHRT_MAX);
#ifndef __linux__
switch (ntohs(eth->ether_type)) {
#else
#define ARPOP_REVREQUEST 3
#define ARPOP_REVREPLY 4
#define ARPOP_INVREQUEST 8
#define ARPOP_INVREPLY 9
#define IPV6_FLOWLABEL_MASK 0x000fffff
switch (ntohs(eth->h_proto)) {
#endif
case ETHERTYPE_ARP:
arp = (struct arphdr*) (((caddr_t) eth) + ETHER_HDR_LEN);
strlcat(szShow, "\t>>> ARP ...\n", USHRT_MAX);
switch (ntohs(arp->ar_op)) {
case ARPOP_REQUEST:
strlcpy(szStr, "Request", sizeof szStr);
break;
case ARPOP_REPLY:
strlcpy(szStr, "Reply", sizeof szStr);
break;
case ARPOP_REVREQUEST:
strlcpy(szStr, "RevRequest", sizeof szStr);
break;
case ARPOP_REVREPLY:
strlcpy(szStr, "RevReply", sizeof szStr);
break;
case ARPOP_INVREQUEST:
strlcpy(szStr, "InvRequest", sizeof szStr);
break;
case ARPOP_INVREPLY:
strlcpy(szStr, "InvReply", sizeof szStr);
break;
default:
strlcpy(szStr, "*Unknown*", sizeof szStr);
}
snprintf(szLine, BUFSIZ, "\tAddr_fmt: %d, Proto_fmt: %d, Addr_len: %d, Proto_len: %d, %s\n",
ntohs(arp->ar_hrd), ntohs(arp->ar_pro), arp->ar_hln, arp->ar_pln, szStr);
strlcat(szShow, szLine, USHRT_MAX);
break;
case ETHERTYPE_IP:
ip = (struct ip*) (((caddr_t) eth) + ETHER_HDR_LEN);
strlcat(szShow, "\t>>> IP ...\n", USHRT_MAX);
snprintf(szStr, BUFSIZ, "Frag_off: %d", ntohs(ip->ip_off) & IP_OFFMASK);
if (ntohs(ip->ip_off) & IP_RF)
strlcat(szStr, "|RF", sizeof szStr);
if (ntohs(ip->ip_off) & IP_DF)
strlcat(szStr, "|DF", sizeof szStr);
if (ntohs(ip->ip_off) & IP_MF)
strlcat(szStr, "|MF", sizeof szStr);
snprintf(szLine, BUFSIZ, "\tTOS: %02x, TTL: %d, ID: %04x, Cksum: %04x, Len: %d, %s\n",
ip->ip_tos, ip->ip_ttl, ntohs(ip->ip_id), ntohs(ip->ip_sum),
ntohs(ip->ip_len), szStr);
strlcat(szShow, szLine, USHRT_MAX);
snprintf(szLine, BUFSIZ, "\tProto: %d, Src_addr: %s, Dst_addr: %s\n",
ip->ip_p, inet_ntop(AF_INET, &ip->ip_src, szStr, BUFSIZ),
inet_ntop(AF_INET, &ip->ip_dst, szWrk, BUFSIZ));
strlcat(szShow, szLine, USHRT_MAX);
Proto = ip->ip_p;
break;
case ETHERTYPE_IPV6:
ipv6 = (struct ip6_hdr*) (((caddr_t) eth) + ETHER_HDR_LEN);
strlcat(szShow, "\t>>> IPv6 ...\n", USHRT_MAX);
snprintf(szLine, BUFSIZ, "\tHLim: %d, Payload_len: %d, Flow: %u\n", ipv6->ip6_hlim,
htons(ipv6->ip6_plen), htonl(ipv6->ip6_flow) & IPV6_FLOWLABEL_MASK);
strlcat(szShow, szLine, USHRT_MAX);
inet_ntop(AF_INET6, &ipv6->ip6_src, szStr, BUFSIZ);
inet_ntop(AF_INET6, &ipv6->ip6_dst, szWrk, BUFSIZ);
snprintf(szLine, BUFSIZ, "\tNext: %d, Src_addr: %s, Dst_addr: %s\n", ipv6->ip6_nxt, szStr, szWrk);
strlcat(szShow, szLine, USHRT_MAX);
Proto = ipv6->ip6_nxt;
break;
}
#ifndef __linux__
if (Proto && (ntohs(eth->ether_type) == ETHERTYPE_IP || ntohs(eth->ether_type) == ETHERTYPE_IPV6))
#else
if (Proto && (ntohs(eth->h_proto) == ETHERTYPE_IP || ntohs(eth->h_proto) == ETHERTYPE_IPV6))
#endif
switch (Proto) {
case IPPROTO_TCP:
strlcat(szShow, "\t\t>>> TCP ...\n", USHRT_MAX);
#ifndef __linux__
if (ntohs(eth->ether_type) == ETHERTYPE_IPV6)
#else
if (ntohs(eth->h_proto) == ETHERTYPE_IPV6)
#endif
tcp = (struct tcphdr*) (((caddr_t) ipv6) + sizeof(struct ip6_hdr));
else
tcp = (struct tcphdr*) (((caddr_t) ip) + sizeof(struct ip));
#ifndef __linux__
snprintf(szLine, BUFSIZ, "\t\tsrc_port: %d, dst_port: %d, seq: %u, ack: %u\n",
ntohs(tcp->th_sport), ntohs(tcp->th_dport), tcp->th_seq, tcp->th_ack);
strlcat(szShow, szLine, USHRT_MAX);
snprintf(szWrk, BUFSIZ, "%d", (u_char) tcp->th_off >> 4);
if (tcp->th_flags & TH_FIN)
strlcat(szWrk, "|FIN", sizeof szWrk);
if (tcp->th_flags & TH_SYN)
strlcat(szWrk, "|SYN", sizeof szWrk);
if (tcp->th_flags & TH_RST)
strlcat(szWrk, "|RST", sizeof szWrk);
if (tcp->th_flags & TH_PUSH)
strlcat(szWrk, "|PUSH", sizeof szWrk);
if (tcp->th_flags & TH_ACK)
strlcat(szWrk, "|ACK", sizeof szWrk);
if (tcp->th_flags & TH_URG)
strlcat(szWrk, "|URG", sizeof szWrk);
if (tcp->th_flags & TH_ECE)
strlcat(szWrk, "|ECE", sizeof szWrk);
if (tcp->th_flags & TH_CWR)
strlcat(szWrk, "|CWR", sizeof szWrk);
snprintf(szLine, BUFSIZ, "\t\toff: %s, win: %d, urp: %04x, cksum: %04x\n",
szWrk, ntohs(tcp->th_win), ntohs(tcp->th_urp), ntohs(tcp->th_sum));
#else
snprintf(szLine, BUFSIZ, "\t\tsrc_port: %d, dst_port: %d, seq: %u, ack: %u\n",
ntohs(tcp->source), ntohs(tcp->dest), tcp->seq, tcp->ack);
strlcat(szShow, szLine, USHRT_MAX);
snprintf(szWrk, BUFSIZ, "%d", (u_char) tcp->doff);
if (tcp->fin)
strlcat(szWrk, "|FIN", sizeof szWrk);
if (tcp->syn)
strlcat(szWrk, "|SYN", sizeof szWrk);
if (tcp->rst)
strlcat(szWrk, "|RST", sizeof szWrk);
if (tcp->psh)
strlcat(szWrk, "|PUSH", sizeof szWrk);
if (tcp->ack)
strlcat(szWrk, "|ACK", sizeof szWrk);
if (tcp->urg)
strlcat(szWrk, "|URG", sizeof szWrk);
/*
if (tcp->ece)
strlcat(szWrk, "|ECE", sizeof szWrk);
if (tcp->cwr)
strlcat(szWrk, "|CWR", sizeof szWrk);
*/
snprintf(szLine, BUFSIZ, "\t\toff: %s, win: %d, urp: %04x, cksum: %04x\n",
szWrk, ntohs(tcp->window), ntohs(tcp->urg_ptr), ntohs(tcp->check));
#endif
strlcat(szShow, szLine, USHRT_MAX);
break;
case IPPROTO_UDP:
strlcat(szShow, "\t\t>>> UDP ...\n", USHRT_MAX);
#ifndef __linux__
if (ntohs(eth->ether_type) == ETHERTYPE_IPV6)
#else
if (ntohs(eth->h_proto) == ETHERTYPE_IPV6)
#endif
udp = (struct udphdr*) (((caddr_t) ipv6) + sizeof(struct ip6_hdr));
else
udp = (struct udphdr*) (((caddr_t) ip) + sizeof(struct ip));
#ifndef __linux__
snprintf(szLine, BUFSIZ, "\t\tsrc_port: %d, dst_port: %d, len: %d, cksum: %04x\n",
ntohs(udp->uh_sport), ntohs(udp->uh_dport),
ntohs(udp->uh_ulen), ntohs(udp->uh_sum));
#else
snprintf(szLine, BUFSIZ, "\t\tsrc_port: %d, dst_port: %d, len: %d, cksum: %04x\n",
ntohs(udp->source), ntohs(udp->dest),
ntohs(udp->len), ntohs(udp->check));
#endif
strlcat(szShow, szLine, USHRT_MAX);
break;
case IPPROTO_ICMP:
strlcat(szShow, "\t\t>>> ICMP ...\n", USHRT_MAX);
#ifdef __FreeBSD__
if (ntohs(eth->ether_type) == ETHERTYPE_IPV6)
icmp = (struct icmphdr*) (((caddr_t) ipv6) + sizeof(struct ip6_hdr));
else
icmp = (struct icmphdr*) (((caddr_t) ip) + sizeof(struct ip));
#endif
#ifdef __OpenBSD__
if (ntohs(eth->ether_type) == ETHERTYPE_IPV6)
icmp = (struct icmp*) (((caddr_t) ipv6) + sizeof(struct ip6_hdr));
else
icmp = (struct icmp*) (((caddr_t) ip) + sizeof(struct ip));
#endif
#ifndef __linux__
snprintf(szLine, BUFSIZ, "\t\ttype: %d, code: %d: cksum: %04x\n",
icmp->icmp_type, icmp->icmp_code, ntohs(icmp->icmp_cksum));
#else
snprintf(szLine, BUFSIZ, "\t\ttype: %d, code: %d: cksum: %04x\n",
icmp->type, icmp->code, ntohs(icmp->checksum));
#endif
strlcat(szShow, szLine, USHRT_MAX);
break;
}
printf("%s===\n", szShow);
return NULL;
}
// ----------------------
int
main(int argc, char **argv)
{
u_int n, count = (u_int) -1;
register int i;
int dev, fd, ret, siz = 0;
char szStr[BUFSIZ], szMap[MAXPATHLEN] = { 0 }, *buffer = NULL;
struct ifreq ifr;
struct pollfd pfd = { 0 };
pthread_t tid;
char ch, mode = 'R';
struct timespec ts_start, ts_end;
void *bz = NULL;
ether_addr_t ea;
while ((ch = getopt(argc, argv, "hvwzs:p:f:")) != -1)
switch (ch) {
case 'w':
mode = 'W';
break;
case 's':
siz = strtol(optarg, NULL, 0);
break;
case 'p':
count = strtol(optarg, NULL, 0);
break;
case 'f':
strlcpy(szMap, optarg, sizeof szMap);
break;
case 'z':
flg++;
break;
case 'v':
Verbose++;
break;
case 'h':
default:
return 1;
}
argc -= optind;
argv += optind;
if (argc < 1)
return 1;
if (**argv == '/')
strlcpy(szStr, strrchr(*argv, '/') + 1, sizeof szStr);
else
strlcpy(szStr, *argv, sizeof szStr);
#ifndef __linux__
#ifdef __FreeBSD__
dev = io_etherOpen(szStr, O_RDWR | O_NONBLOCK, 42, 0, (u_int*) &siz, (flg) ? &bz : NULL);
if (dev == -1)
dev = io_etherOpen(szStr, O_RDWR | O_NONBLOCK, 42, 0, (u_int*) &siz, NULL);
#else
dev = io_etherOpen(szStr, O_RDWR, 42, 0, (u_int*) &siz, NULL);
#endif
#else
dev = io_etherOpen(szStr, 0, 42, 0, (u_int*) &siz, NULL);
#endif
if (dev == -1) {
printf("Error:: #%d - %s\n", io_GetErrno(), io_GetError());
return 1;
} else
printf("dev=%d(%s)\n", dev, szStr);
#ifndef __linux__
if (ioctl(dev, BIOCGBLEN, &siz) == -1) {
perror("ioctl(BIOCGBLEN)");
io_etherClose(dev, &bz);
return 1;
} else
printf("BPF buffer len=%d\n", siz);
#endif
if (*szMap) {
fd = open(szMap, O_RDWR);
if (fd == -1) {
perror("open(map)");
io_etherClose(dev, &bz);
return 1;
}
buffer = mmap(NULL, siz, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
close(fd);
} else
buffer = mmap(NULL, siz, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
if (buffer == MAP_FAILED) {
perror("mmap()");
io_etherClose(dev, &bz);
return 1;
}
pfd.fd = dev;
assert(!clock_gettime(CLOCK_REALTIME, &ts_start));
if (mode == 'R') {
pfd.events = POLLIN;
for (i = 0; i < count; i++) {
if ((ret = poll(&pfd, 1, -1)) == -1)
break;
ret = io_etherRecv(dev, buffer, siz, bz);
if (!ret)
continue;
if (ret == -1)
printf("%d) io_etherRecv(%d) #%d - %s\n", i, ret,
io_GetErrno(), io_GetError());
if (Verbose) {
printf("%d) +readed %d bytes\n", i, ret);
ShowPkt(buffer);
}
}
} else {
pfd.events = POLLOUT;
for (i = 0; i < count; i++) {
if (poll(&pfd, 1, -1) == -1)
break;
ret = io_etherSend(dev, buffer, siz);
if (ret == -1)
printf("io_etherSend(%d) #%d - %s\n", ret, io_GetErrno(), io_GetError());
if (Verbose)
printf("+writed %d bytes\n", ret);
}
}
assert(!clock_gettime(CLOCK_REALTIME, &ts_end));
munmap(buffer, siz);
io_etherClose(dev, &bz);
time_spec_sub(&ts_end, &ts_start);
printf("%d.%09lu for %d iterations\n", ts_end.tv_sec, ts_end.tv_nsec, i);
ts_end.tv_sec *= 1000000000 / i;
printf("0.%09lu per/iteration\n", ts_end.tv_sec + ts_end.tv_nsec / i);
return 0;
}
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