1: #include <stdio.h>
2: #include <stdlib.h>
3: #include <fcntl.h>
4: #include <unistd.h>
5: #include <string.h>
6: #include <errno.h>
7: #include <poll.h>
8: #include <getopt.h>
9: #include <pthread.h>
10: #include <assert.h>
11: #include <sys/types.h>
12: #include <sys/param.h>
13: #include <sys/socket.h>
14: #include <sys/ioctl.h>
15: #include <sys/mman.h>
16: #include <net/if.h>
17: #ifndef __linux__
18: #include <sys/limits.h>
19: #include <net/bpf.h>
20: #include <machine/atomic.h>
21: #else
22: #include <linux/if_ether.h>
23: #endif
24:
25: #ifdef __FreeBSD__
26: #include <net/ethernet.h>
27: #endif
28: #ifdef __OpenBSD__
29: #include <net/ethertypes.h>
30: #include <netinet/in_systm.h>
31: #endif
32: #include <net/if_arp.h>
33: #include <netinet/in.h>
34: #include <netinet/ip.h>
35: #include <netinet/ip6.h>
36: #include <netinet/udp.h>
37: #include <netinet/tcp.h>
38: #include <netinet/ip_icmp.h>
39: #include <arpa/inet.h>
40: #ifdef __OpenBSD__
41: #include <netinet/if_ether.h>
42: #endif
43:
44: #include <aitio.h>
45:
46: #ifndef roundup
47: #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) /* to any y */
48: #endif
49:
50: #define time_spec_sub(vvp, uvp) \
51: do { \
52: (vvp)->tv_sec -= (uvp)->tv_sec; \
53: (vvp)->tv_nsec -= (uvp)->tv_nsec; \
54: if ((vvp)->tv_nsec < 0) { \
55: (vvp)->tv_sec--; \
56: (vvp)->tv_nsec += 1000000000; \
57: } \
58: } while (0)
59:
60:
61: int Verbose, flg;
62:
63:
64: static void *
65: ShowPkt(void *buffer)
66: {
67: char Proto = 0, szStr[BUFSIZ], szLine[BUFSIZ], szWrk[BUFSIZ], szShow[USHRT_MAX] = { 0 };
68: #ifndef __linux__
69: #ifdef __FreeBSD__
70: struct bpf_zbuf_header *bzh = buffer;
71: struct icmphdr *icmp;
72: #endif
73: #ifdef __OpenBSD__
74: struct icmp *icmp;
75: #endif
76:
77: struct ether_header *eth;
78: #else
79: struct icmphdr *icmp;
80: struct ethhdr *eth;
81: #endif
82: struct ip *ip;
83: struct ip6_hdr *ipv6;
84: struct arphdr *arp;
85: struct udphdr *udp;
86: struct tcphdr *tcp;
87:
88: assert(buffer);
89:
90: #ifndef __linux__
91: eth = (struct ether_header *) buffer;
92:
93: switch (ntohs(eth->ether_type)) {
94: #else
95: #define ETHERTYPE_ARP 0x0806
96: #define ETHERTYPE_IP 0x0800
97: #define ETHERTYPE_IPV6 0x86dd
98: #define ETHER_HDR_LEN sizeof(struct ethhdr)
99:
100: eth = (struct ethhdr *) buffer;
101:
102: switch (ntohs(eth->h_proto)) {
103: #endif
104: case ETHERTYPE_ARP:
105: strlcpy(szWrk, "(ARP)", sizeof szWrk);
106: break;
107: case ETHERTYPE_IP:
108: strlcpy(szWrk, "(IP)", sizeof szWrk);
109: break;
110: case ETHERTYPE_IPV6:
111: strlcpy(szWrk, "(IPv6)", sizeof szWrk);
112: break;
113: default:
114: memset(szWrk, 0, sizeof szWrk);
115: }
116: #ifndef __linux__
117: snprintf(szStr, BUFSIZ, "%02x:%02x:%02x:%02x:%02x:%02x", eth->ether_shost[0], eth->ether_shost[1],
118: eth->ether_shost[2], eth->ether_shost[3], eth->ether_shost[4], eth->ether_shost[5]);
119: snprintf(szLine, BUFSIZ, "ether_type: %04x%s, src_mac: %s, ", ntohs(eth->ether_type), szWrk, szStr);
120: strlcat(szShow, szLine, USHRT_MAX);
121: snprintf(szStr, BUFSIZ, "%02x:%02x:%02x:%02x:%02x:%02x", eth->ether_dhost[0], eth->ether_dhost[1],
122: eth->ether_dhost[2], eth->ether_dhost[3], eth->ether_dhost[4], eth->ether_dhost[5]);
123: #else
124: snprintf(szStr, BUFSIZ, "%02x:%02x:%02x:%02x:%02x:%02x", eth->h_source[0], eth->h_source[1],
125: eth->h_source[2], eth->h_source[3], eth->h_source[4], eth->h_source[5]);
126: snprintf(szLine, BUFSIZ, "ether_type: %04x%s, src_mac: %s, ", ntohs(eth->h_proto), szWrk, szStr);
127: strlcat(szShow, szLine, USHRT_MAX);
128: snprintf(szStr, BUFSIZ, "%02x:%02x:%02x:%02x:%02x:%02x", eth->h_dest[0], eth->h_dest[1],
129: eth->h_dest[2], eth->h_dest[3], eth->h_dest[4], eth->h_dest[5]);
130: #endif
131: snprintf(szLine, BUFSIZ, "dst_mac: %s\n", szStr);
132: strlcat(szShow, szLine, USHRT_MAX);
133:
134: #ifndef __linux__
135: switch (ntohs(eth->ether_type)) {
136: #else
137: #define ARPOP_REVREQUEST 3
138: #define ARPOP_REVREPLY 4
139: #define ARPOP_INVREQUEST 8
140: #define ARPOP_INVREPLY 9
141: #define IPV6_FLOWLABEL_MASK 0x000fffff
142:
143: switch (ntohs(eth->h_proto)) {
144: #endif
145: case ETHERTYPE_ARP:
146: arp = (struct arphdr*) (((caddr_t) eth) + ETHER_HDR_LEN);
147: strlcat(szShow, "\t>>> ARP ...\n", USHRT_MAX);
148:
149: switch (ntohs(arp->ar_op)) {
150: case ARPOP_REQUEST:
151: strlcpy(szStr, "Request", sizeof szStr);
152: break;
153: case ARPOP_REPLY:
154: strlcpy(szStr, "Reply", sizeof szStr);
155: break;
156: case ARPOP_REVREQUEST:
157: strlcpy(szStr, "RevRequest", sizeof szStr);
158: break;
159: case ARPOP_REVREPLY:
160: strlcpy(szStr, "RevReply", sizeof szStr);
161: break;
162: case ARPOP_INVREQUEST:
163: strlcpy(szStr, "InvRequest", sizeof szStr);
164: break;
165: case ARPOP_INVREPLY:
166: strlcpy(szStr, "InvReply", sizeof szStr);
167: break;
168: default:
169: strlcpy(szStr, "*Unknown*", sizeof szStr);
170: }
171: snprintf(szLine, BUFSIZ, "\tAddr_fmt: %d, Proto_fmt: %d, Addr_len: %d, Proto_len: %d, %s\n",
172: ntohs(arp->ar_hrd), ntohs(arp->ar_pro), arp->ar_hln, arp->ar_pln, szStr);
173: strlcat(szShow, szLine, USHRT_MAX);
174: break;
175: case ETHERTYPE_IP:
176: ip = (struct ip*) (((caddr_t) eth) + ETHER_HDR_LEN);
177: strlcat(szShow, "\t>>> IP ...\n", USHRT_MAX);
178:
179: snprintf(szStr, BUFSIZ, "Frag_off: %d", ntohs(ip->ip_off) & IP_OFFMASK);
180: if (ntohs(ip->ip_off) & IP_RF)
181: strlcat(szStr, "|RF", sizeof szStr);
182: if (ntohs(ip->ip_off) & IP_DF)
183: strlcat(szStr, "|DF", sizeof szStr);
184: if (ntohs(ip->ip_off) & IP_MF)
185: strlcat(szStr, "|MF", sizeof szStr);
186: snprintf(szLine, BUFSIZ, "\tTOS: %02x, TTL: %d, ID: %04x, Cksum: %04x, Len: %d, %s\n",
187: ip->ip_tos, ip->ip_ttl, ntohs(ip->ip_id), ntohs(ip->ip_sum),
188: ntohs(ip->ip_len), szStr);
189: strlcat(szShow, szLine, USHRT_MAX);
190: snprintf(szLine, BUFSIZ, "\tProto: %d, Src_addr: %s, Dst_addr: %s\n",
191: ip->ip_p, inet_ntop(AF_INET, &ip->ip_src, szStr, BUFSIZ),
192: inet_ntop(AF_INET, &ip->ip_dst, szWrk, BUFSIZ));
193: strlcat(szShow, szLine, USHRT_MAX);
194:
195: Proto = ip->ip_p;
196: break;
197: case ETHERTYPE_IPV6:
198: ipv6 = (struct ip6_hdr*) (((caddr_t) eth) + ETHER_HDR_LEN);
199: strlcat(szShow, "\t>>> IPv6 ...\n", USHRT_MAX);
200:
201: snprintf(szLine, BUFSIZ, "\tHLim: %d, Payload_len: %d, Flow: %u\n", ipv6->ip6_hlim,
202: htons(ipv6->ip6_plen), htonl(ipv6->ip6_flow) & IPV6_FLOWLABEL_MASK);
203: strlcat(szShow, szLine, USHRT_MAX);
204: inet_ntop(AF_INET6, &ipv6->ip6_src, szStr, BUFSIZ);
205: inet_ntop(AF_INET6, &ipv6->ip6_dst, szWrk, BUFSIZ);
206: snprintf(szLine, BUFSIZ, "\tNext: %d, Src_addr: %s, Dst_addr: %s\n", ipv6->ip6_nxt, szStr, szWrk);
207: strlcat(szShow, szLine, USHRT_MAX);
208:
209: Proto = ipv6->ip6_nxt;
210: break;
211: }
212:
213: #ifndef __linux__
214: if (Proto && (ntohs(eth->ether_type) == ETHERTYPE_IP || ntohs(eth->ether_type) == ETHERTYPE_IPV6))
215: #else
216: if (Proto && (ntohs(eth->h_proto) == ETHERTYPE_IP || ntohs(eth->h_proto) == ETHERTYPE_IPV6))
217: #endif
218: switch (Proto) {
219: case IPPROTO_TCP:
220: strlcat(szShow, "\t\t>>> TCP ...\n", USHRT_MAX);
221: #ifndef __linux__
222: if (ntohs(eth->ether_type) == ETHERTYPE_IPV6)
223: #else
224: if (ntohs(eth->h_proto) == ETHERTYPE_IPV6)
225: #endif
226: tcp = (struct tcphdr*) (((caddr_t) ipv6) + sizeof(struct ip6_hdr));
227: else
228: tcp = (struct tcphdr*) (((caddr_t) ip) + sizeof(struct ip));
229:
230: #ifndef __linux__
231: snprintf(szLine, BUFSIZ, "\t\tsrc_port: %d, dst_port: %d, seq: %u, ack: %u\n",
232: ntohs(tcp->th_sport), ntohs(tcp->th_dport), tcp->th_seq, tcp->th_ack);
233: strlcat(szShow, szLine, USHRT_MAX);
234: snprintf(szWrk, BUFSIZ, "%d", (u_char) tcp->th_off >> 4);
235: if (tcp->th_flags & TH_FIN)
236: strlcat(szWrk, "|FIN", sizeof szWrk);
237: if (tcp->th_flags & TH_SYN)
238: strlcat(szWrk, "|SYN", sizeof szWrk);
239: if (tcp->th_flags & TH_RST)
240: strlcat(szWrk, "|RST", sizeof szWrk);
241: if (tcp->th_flags & TH_PUSH)
242: strlcat(szWrk, "|PUSH", sizeof szWrk);
243: if (tcp->th_flags & TH_ACK)
244: strlcat(szWrk, "|ACK", sizeof szWrk);
245: if (tcp->th_flags & TH_URG)
246: strlcat(szWrk, "|URG", sizeof szWrk);
247: if (tcp->th_flags & TH_ECE)
248: strlcat(szWrk, "|ECE", sizeof szWrk);
249: if (tcp->th_flags & TH_CWR)
250: strlcat(szWrk, "|CWR", sizeof szWrk);
251: snprintf(szLine, BUFSIZ, "\t\toff: %s, win: %d, urp: %04x, cksum: %04x\n",
252: szWrk, ntohs(tcp->th_win), ntohs(tcp->th_urp), ntohs(tcp->th_sum));
253: #else
254: snprintf(szLine, BUFSIZ, "\t\tsrc_port: %d, dst_port: %d, seq: %u, ack: %u\n",
255: ntohs(tcp->source), ntohs(tcp->dest), tcp->seq, tcp->ack);
256: strlcat(szShow, szLine, USHRT_MAX);
257: snprintf(szWrk, BUFSIZ, "%d", (u_char) tcp->doff);
258: if (tcp->fin)
259: strlcat(szWrk, "|FIN", sizeof szWrk);
260: if (tcp->syn)
261: strlcat(szWrk, "|SYN", sizeof szWrk);
262: if (tcp->rst)
263: strlcat(szWrk, "|RST", sizeof szWrk);
264: if (tcp->psh)
265: strlcat(szWrk, "|PUSH", sizeof szWrk);
266: if (tcp->ack)
267: strlcat(szWrk, "|ACK", sizeof szWrk);
268: if (tcp->urg)
269: strlcat(szWrk, "|URG", sizeof szWrk);
270: /*
271: if (tcp->ece)
272: strlcat(szWrk, "|ECE", sizeof szWrk);
273: if (tcp->cwr)
274: strlcat(szWrk, "|CWR", sizeof szWrk);
275: */
276: snprintf(szLine, BUFSIZ, "\t\toff: %s, win: %d, urp: %04x, cksum: %04x\n",
277: szWrk, ntohs(tcp->window), ntohs(tcp->urg_ptr), ntohs(tcp->check));
278: #endif
279: strlcat(szShow, szLine, USHRT_MAX);
280: break;
281: case IPPROTO_UDP:
282: strlcat(szShow, "\t\t>>> UDP ...\n", USHRT_MAX);
283: #ifndef __linux__
284: if (ntohs(eth->ether_type) == ETHERTYPE_IPV6)
285: #else
286: if (ntohs(eth->h_proto) == ETHERTYPE_IPV6)
287: #endif
288: udp = (struct udphdr*) (((caddr_t) ipv6) + sizeof(struct ip6_hdr));
289: else
290: udp = (struct udphdr*) (((caddr_t) ip) + sizeof(struct ip));
291:
292: #ifndef __linux__
293: snprintf(szLine, BUFSIZ, "\t\tsrc_port: %d, dst_port: %d, len: %d, cksum: %04x\n",
294: ntohs(udp->uh_sport), ntohs(udp->uh_dport),
295: ntohs(udp->uh_ulen), ntohs(udp->uh_sum));
296: #else
297: snprintf(szLine, BUFSIZ, "\t\tsrc_port: %d, dst_port: %d, len: %d, cksum: %04x\n",
298: ntohs(udp->source), ntohs(udp->dest),
299: ntohs(udp->len), ntohs(udp->check));
300: #endif
301: strlcat(szShow, szLine, USHRT_MAX);
302: break;
303: case IPPROTO_ICMP:
304: strlcat(szShow, "\t\t>>> ICMP ...\n", USHRT_MAX);
305: #ifdef __FreeBSD__
306: if (ntohs(eth->ether_type) == ETHERTYPE_IPV6)
307: icmp = (struct icmphdr*) (((caddr_t) ipv6) + sizeof(struct ip6_hdr));
308: else
309: icmp = (struct icmphdr*) (((caddr_t) ip) + sizeof(struct ip));
310: #endif
311: #ifdef __OpenBSD__
312: if (ntohs(eth->ether_type) == ETHERTYPE_IPV6)
313: icmp = (struct icmp*) (((caddr_t) ipv6) + sizeof(struct ip6_hdr));
314: else
315: icmp = (struct icmp*) (((caddr_t) ip) + sizeof(struct ip));
316: #endif
317:
318: #ifndef __linux__
319: snprintf(szLine, BUFSIZ, "\t\ttype: %d, code: %d: cksum: %04x\n",
320: icmp->icmp_type, icmp->icmp_code, ntohs(icmp->icmp_cksum));
321: #else
322: snprintf(szLine, BUFSIZ, "\t\ttype: %d, code: %d: cksum: %04x\n",
323: icmp->type, icmp->code, ntohs(icmp->checksum));
324: #endif
325: strlcat(szShow, szLine, USHRT_MAX);
326: break;
327: }
328:
329: printf("%s===\n", szShow);
330: return NULL;
331: }
332:
333: // ----------------------
334:
335: int
336: main(int argc, char **argv)
337: {
338: u_int n, count = (u_int) -1;
339: register int i;
340: int dev, fd, ret, siz = 0;
341: char szStr[BUFSIZ], szMap[MAXPATHLEN] = { 0 }, *buffer = NULL;
342: struct ifreq ifr;
343: struct pollfd pfd = { 0 };
344: pthread_t tid;
345: char ch, mode = 'R';
346: struct timespec ts_start, ts_end;
347: void *bz = NULL;
348: ether_addr_t ea;
349:
350: while ((ch = getopt(argc, argv, "hvwzs:p:f:")) != -1)
351: switch (ch) {
352: case 'w':
353: mode = 'W';
354: break;
355: case 's':
356: siz = strtol(optarg, NULL, 0);
357: break;
358: case 'p':
359: count = strtol(optarg, NULL, 0);
360: break;
361: case 'f':
362: strlcpy(szMap, optarg, sizeof szMap);
363: break;
364: case 'z':
365: flg++;
366: break;
367: case 'v':
368: Verbose++;
369: break;
370: case 'h':
371: default:
372: return 1;
373: }
374: argc -= optind;
375: argv += optind;
376: if (argc < 1)
377: return 1;
378:
379: if (**argv == '/')
380: strlcpy(szStr, strrchr(*argv, '/') + 1, sizeof szStr);
381: else
382: strlcpy(szStr, *argv, sizeof szStr);
383:
384: #ifndef __linux__
385: #ifdef __FreeBSD__
386: dev = io_etherOpen(szStr, O_RDWR | O_NONBLOCK, 42, 0, (u_int*) &siz, (flg) ? &bz : NULL);
387: if (dev == -1)
388: dev = io_etherOpen(szStr, O_RDWR | O_NONBLOCK, 42, 0, (u_int*) &siz, NULL);
389: #else
390: dev = io_etherOpen(szStr, O_RDWR, 42, 0, (u_int*) &siz, NULL);
391: #endif
392: #else
393: dev = io_etherOpen(szStr, 0, 42, 0, (u_int*) &siz, NULL);
394: #endif
395: if (dev == -1) {
396: printf("Error:: #%d - %s\n", io_GetErrno(), io_GetError());
397: return 1;
398: } else
399: printf("dev=%d(%s)\n", dev, szStr);
400:
401: #ifndef __linux__
402: if (ioctl(dev, BIOCGBLEN, &siz) == -1) {
403: perror("ioctl(BIOCGBLEN)");
404: io_etherClose(dev, &bz);
405: return 1;
406: } else
407: printf("BPF buffer len=%d\n", siz);
408: #endif
409:
410: if (*szMap) {
411: fd = open(szMap, O_RDWR);
412: if (fd == -1) {
413: perror("open(map)");
414: io_etherClose(dev, &bz);
415: return 1;
416: }
417: buffer = mmap(NULL, siz, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
418: close(fd);
419: } else
420: buffer = mmap(NULL, siz, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
421: if (buffer == MAP_FAILED) {
422: perror("mmap()");
423: io_etherClose(dev, &bz);
424: return 1;
425: }
426:
427: pfd.fd = dev;
428: assert(!clock_gettime(CLOCK_REALTIME, &ts_start));
429: if (mode == 'R') {
430: pfd.events = POLLIN;
431: for (i = 0; i < count; i++) {
432: if ((ret = poll(&pfd, 1, -1)) == -1)
433: break;
434:
435: ret = io_etherRecv(dev, buffer, siz, bz);
436: if (!ret)
437: continue;
438: if (ret == -1)
439: printf("%d) io_etherRecv(%d) #%d - %s\n", i, ret,
440: io_GetErrno(), io_GetError());
441: if (Verbose) {
442: printf("%d) +readed %d bytes\n", i, ret);
443: ShowPkt(buffer);
444: }
445: }
446: } else {
447: pfd.events = POLLOUT;
448: for (i = 0; i < count; i++) {
449: if (poll(&pfd, 1, -1) == -1)
450: break;
451:
452: ret = io_etherSend(dev, buffer, siz);
453: if (ret == -1)
454: printf("io_etherSend(%d) #%d - %s\n", ret, io_GetErrno(), io_GetError());
455: if (Verbose)
456: printf("+writed %d bytes\n", ret);
457: }
458: }
459: assert(!clock_gettime(CLOCK_REALTIME, &ts_end));
460:
461: munmap(buffer, siz);
462: io_etherClose(dev, &bz);
463:
464: time_spec_sub(&ts_end, &ts_start);
465: printf("%d.%09lu for %d iterations\n", ts_end.tv_sec, ts_end.tv_nsec, i);
466: ts_end.tv_sec *= 1000000000 / i;
467: printf("0.%09lu per/iteration\n", ts_end.tv_sec + ts_end.tv_nsec / i);
468: return 0;
469: }
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