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#include <u.h>
2 
#include <libc.h>
3 
#include <bio.h>
4 
#include <ndb.h>
5 
#include "whois.h"
6 
 
7 
typedef struct Country Country;
8 
 
9 
struct Country
10 
{
11 
	char *code;
12 
	char *name;
13 
};
14 
 
15 
Country badc[] =
16 
{
17 
	{"af", "afghanistan"},
18 
	{"cu", "cuba"},
19 
	{"ir", "iran"},
20 
	{"iq", "iraq"},
21 
	{"ly", "libya"},
22 
	{"kp", "north korea"},
23 
	{"sd", "sudan"},
24 
	{"sy", "syria"},
25 
	{ 0, 0 }
26 
};
27 
 
28 
Country goodc[] =
29 
{
30 
	// the original, us and canada
31 
	{"us", "united states of america"},
32 
	{"ca", "canada"},
33 
	{"gov", "gov"},
34 
	{"mil", "mil"},
35 
 
36 
	// the european union
37 
	{ "eu",	"european union" },
38 
	{ "be",	"belgium" },
39 
	{ "de",	"germany" },
40 
	{ "fr",	"france" },
41 
	{ "it",	"italy" },
42 
	{ "lu",	"luxembourg" },
43 
	{ "nl",	"netherlands" },
44 
	{ "dk",	"denmark" },
45 
	{ "ie",	"ireland" },
46 
	{ "gb",	"great britain" },
47 
	{ "uk",	"united kingdom" },
48 
	{ "gr",	"greece" },
49 
	{ "es",	"spain" },
50 
	{ "pt",	"portugal" },
51 
	{ "au",	"australia" },
52 
	{ "fi",	"finland" },
53 
	{ "se",	"sweden" },
54 
 
55 
	// the rest
56 
	{"au", "australia"},
57 
	{"no", "norway"},
58 
	{"cz", "czech republic"},
59 
	{"hu", "hungary"},
60 
	{"pl", "poland"},
61 
	{"jp", "japan"},
62 
	{"ch", "switzerland"},
63 
	{"nz", "new zealand"},
64 
	{ 0, 0 }
65 
};
66 
 
67 
char *gov[] =
68 
{
69 
	"gov",
70 
	"gouv",
71 
	"mil",
72 
	"government",
73 
	0,
74 
};
75 
 
76 
Country allc[] =
77 
{
78 
	{ "ad",	"andorra" },
79 
	{ "ae",	"united arab emirates" },
80 
	{ "af",	"afghanistan" },
81 
	{ "ag",	"antigua and barbuda" },
82 
	{ "ai",	"anguilla" },
83 
	{ "al",	"albania" },
84 
	{ "am",	"armenia" },
85 
	{ "an",	"netherlands antilles" },
86 
	{ "ao",	"angola" },
87 
	{ "aq",	"antarctica" },
88 
	{ "ar",	"argentina" },
89 
	{ "as",	"american samoa" },
90 
	{ "at",	"austria" },
91 
	{ "au",	"australia" },
92 
	{ "aw",	"aruba" },
93 
	{ "az",	"azerbaijan" },
94 
	{ "ba",	"bosnia and herzegovina" },
95 
	{ "bb",	"barbados" },
96 
	{ "bd",	"bangladesh" },
97 
	{ "be",	"belgium" },
98 
	{ "bf",	"burkina faso" },
99 
	{ "bg",	"bulgaria" },
100 
	{ "bh",	"bahrain" },
101 
	{ "bi",	"burundi" },
102 
	{ "bj",	"benin" },
103 
	{ "bm",	"bermuda" },
104 
	{ "bn",	"brunei darussalam" },
105 
	{ "bo",	"bolivia" },
106 
	{ "br",	"brazil" },
107 
	{ "bs",	"bahamas" },
108 
	{ "bt",	"bhutan" },
109 
	{ "bu",	"burma" },
110 
	{ "bv",	"bouvet island" },
111 
	{ "bw",	"botswana" },
112 
	{ "by",	"belarus" },
113 
	{ "bz",	"belize" },
114 
	{ "ca",	"canada" },
115 
	{ "cc",	"cocos (keeling) islands" },
116 
	{ "cf",	"central african republic" },
117 
	{ "cg",	"congo" },
118 
	{ "ch",	"switzerland" },
119 
	{ "ci",	"cote d'ivoire (ivory coast)" },
120 
	{ "ck",	"cook islands" },
121 
	{ "cl",	"chile" },
122 
	{ "cm",	"cameroon" },
123 
	{ "cn",	"china" },
124 
	{ "co",	"colombia" },
125 
	{ "cr",	"costa rica" },
126 
	{ "cs",	"czechoslovakia (former)" },
127 
	{ "ct",	"canton and enderbury island" },
128 
	{ "cu",	"cuba" },
129 
	{ "cv",	"cape verde" },
130 
	{ "cx",	"christmas island" },
131 
	{ "cy",	"cyprus" },
132 
	{ "cz",	"czech republic" },
133 
	{ "dd",	"german democratic republic" },
134 
	{ "de",	"germany" },
135 
	{ "dj",	"djibouti" },
136 
	{ "dk",	"denmark" },
137 
	{ "dm",	"dominica" },
138 
	{ "do",	"dominican republic" },
139 
	{ "dz",	"algeria" },
140 
	{ "ec",	"ecuador" },
141 
	{ "ee",	"estonia" },
142 
	{ "eg",	"egypt" },
143 
	{ "eh",	"western sahara" },
144 
	{ "er",	"eritrea" },
145 
	{ "es",	"spain" },
146 
	{ "et",	"ethiopia" },
147 
	{ "eu",	"european union" },
148 
	{ "fi",	"finland" },
149 
	{ "fj",	"fiji" },
150 
	{ "fk",	"falkland islands (malvinas)" },
151 
	{ "fm",	"micronesia" },
152 
	{ "fo",	"faroe islands" },
153 
	{ "fr",	"france" },
154 
	{ "fx",	"france, metropolitan" },
155 
	{ "ga",	"gabon" },
156 
	{ "gb",	"great britain (uk)" },
157 
	{ "gd",	"grenada" },
158 
	{ "ge",	"georgia" },
159 
	{ "gf",	"french guiana" },
160 
	{ "gh",	"ghana" },
161 
	{ "gi",	"gibraltar" },
162 
	{ "gl",	"greenland" },
163 
	{ "gm",	"gambia" },
164 
	{ "gn",	"guinea" },
165 
	{ "gp",	"guadeloupe" },
166 
	{ "gq",	"equatorial guinea" },
167 
	{ "gr",	"greece" },
168 
	{ "gs",	"s. georgia and s. sandwich isls." },
169 
	{ "gt",	"guatemala" },
170 
	{ "gu",	"guam" },
171 
	{ "gw",	"guinea-bissau" },
172 
	{ "gy",	"guyana" },
173 
	{ "hk",	"hong kong" },
174 
	{ "hm",	"heard and mcdonald islands" },
175 
	{ "hn",	"honduras" },
176 
	{ "hr",	"croatia (hrvatska)" },
177 
	{ "ht",	"haiti" },
178 
	{ "hu",	"hungary" },
179 
	{ "id",	"indonesia" },
180 
	{ "ie",	"ireland" },
181 
	{ "il",	"israel" },
182 
	{ "in",	"india" },
183 
	{ "io",	"british indian ocean territory" },
184 
	{ "iq",	"iraq" },
185 
	{ "ir",	"iran" },
186 
	{ "is",	"iceland" },
187 
	{ "it",	"italy" },
188 
	{ "jm",	"jamaica" },
189 
	{ "jo",	"jordan" },
190 
	{ "jp",	"japan" },
191 
	{ "jt",	"johnston island" },
192 
	{ "ke",	"kenya" },
193 
	{ "kg",	"kyrgyzstan" },
194 
	{ "kh",	"cambodia (democratic kampuchea)" },
195 
	{ "ki",	"kiribati" },
196 
	{ "km",	"comoros" },
197 
	{ "kn",	"saint kitts and nevis" },
198 
	{ "kp",	"korea (north)" },
199 
	{ "kr",	"korea (south)" },
200 
	{ "kw",	"kuwait" },
201 
	{ "ky",	"cayman islands" },
202 
	{ "kz",	"kazakhstan" },
203 
	{ "la",	"laos" },
204 
	{ "lb",	"lebanon" },
205 
	{ "lc",	"saint lucia" },
206 
	{ "li",	"liechtenstein" },
207 
	{ "lk",	"sri lanka" },
208 
	{ "lr",	"liberia" },
209 
	{ "ls",	"lesotho" },
210 
	{ "lt",	"lithuania" },
211 
	{ "lu",	"luxembourg" },
212 
	{ "lv",	"latvia" },
213 
	{ "ly",	"libya" },
214 
	{ "ma",	"morocco" },
215 
	{ "mc",	"monaco" },
216 
	{ "md",	"moldova" },
217 
	{ "mg",	"madagascar" },
218 
	{ "mh",	"marshall islands" },
219 
	{ "mi",	"midway islands" },
220 
	{ "mk",	"macedonia" },
221 
	{ "ml",	"mali" },
222 
	{ "mm",	"myanmar" },
223 
	{ "mn",	"mongolia" },
224 
	{ "mo",	"macau" },
225 
	{ "mp",	"northern mariana islands" },
226 
	{ "mq",	"martinique" },
227 
	{ "mr",	"mauritania" },
228 
	{ "ms",	"montserrat" },
229 
	{ "mt",	"malta" },
230 
	{ "mu",	"mauritius" },
231 
	{ "mv",	"maldives" },
232 
	{ "mw",	"malawi" },
233 
	{ "mx",	"mexico" },
234 
	{ "my",	"malaysia" },
235 
	{ "mz",	"mozambique" },
236 
	{ "na",	"namibia" },
237 
	{ "nc",	"new caledonia" },
238 
	{ "ne",	"niger" },
239 
	{ "nf",	"norfolk island" },
240 
	{ "ng",	"nigeria" },
241 
	{ "ni",	"nicaragua" },
242 
	{ "nl",	"netherlands" },
243 
	{ "no",	"norway" },
244 
	{ "np",	"nepal" },
245 
	{ "nq",	"dronning maud land" },
246 
	{ "nr",	"nauru" },
247 
	{ "nt",	"neutral zone" },
248 
	{ "nu",	"niue" },
249 
	{ "nz",	"new zealand (aotearoa)" },
250 
	{ "om",	"oman" },
251 
	{ "pa",	"panama" },
252 
	{ "pc",	"pacific islands" },
253 
	{ "pe",	"peru" },
254 
	{ "pf",	"french polynesia" },
255 
	{ "pg",	"papua new guinea" },
256 
	{ "ph",	"philippines" },
257 
	{ "pk",	"pakistan" },
258 
	{ "pl",	"poland" },
259 
	{ "pm",	"st. pierre and miquelon" },
260 
	{ "pn",	"pitcairn" },
261 
	{ "pr",	"puerto rico" },
262 
	{ "pu",	"united states misc. pacific islands" },
263 
	{ "pt",	"portugal" },
264 
	{ "pw",	"palau" },
265 
	{ "py",	"paraguay" },
266 
	{ "qa",	"qatar" },
267 
	{ "re",	"reunion" },
268 
	{ "ro",	"romania" },
269 
	{ "ru",	"russian federation" },
270 
	{ "rw",	"rwanda" },
271 
	{ "sa",	"saudi arabia" },
272 
	{ "sb",	"solomon islands" },
273 
	{ "sc",	"seychelles" },
274 
	{ "sd",	"sudan" },
275 
	{ "se",	"sweden" },
276 
	{ "sg",	"singapore" },
277 
	{ "sh",	"st. helena" },
278 
	{ "si",	"slovenia" },
279 
	{ "sj",	"svalbard and jan mayen islands" },
280 
	{ "sk",	"slovak republic" },
281 
	{ "sl",	"sierra leone" },
282 
	{ "sm",	"san marino" },
283 
	{ "sn",	"senegal" },
284 
	{ "so",	"somalia" },
285 
	{ "sr",	"suriname" },
286 
	{ "st",	"sao tome and principe" },
287 
	{ "su",	"ussr (former)" },
288 
	{ "sv",	"el salvador" },
289 
	{ "sy",	"syria" },
290 
	{ "sz",	"swaziland" },
291 
	{ "tc",	"turks and caicos islands" },
292 
	{ "td",	"chad" },
293 
	{ "tf",	"french southern territories" },
294 
	{ "tg",	"togo" },
295 
	{ "th",	"thailand" },
296 
	{ "tj",	"tajikistan" },
297 
	{ "tk",	"tokelau" },
298 
	{ "tm",	"turkmenistan" },
299 
	{ "tn",	"tunisia" },
300 
	{ "to",	"tonga" },
301 
	{ "tp",	"east timor" },
302 
	{ "tr",	"turkey" },
303 
	{ "tt",	"trinidad and tobago" },
304 
	{ "tv",	"tuvalu" },
305 
	{ "tw",	"taiwan" },
306 
	{ "tz",	"tanzania" },
307 
	{ "ua",	"ukraine" },
308 
	{ "ug",	"uganda" },
309 
	{ "uk",	"united kingdom" },
310 
	{ "um",	"us minor outlying islands" },
311 
	{ "us",	"united states" },
312 
	{ "uy",	"uruguay" },
313 
	{ "uz",	"uzbekistan" },
314 
	{ "va",	"vatican city state (holy see)" },
315 
	{ "vc",	"saint vincent and the grenadines" },
316 
	{ "ve",	"venezuela" },
317 
	{ "vg",	"virgin islands (british)" },
318 
	{ "vi",	"virgin islands (u.s.)" },
319 
	{ "vn",	"viet nam" },
320 
	{ "vu",	"vanuatu" },
321 
	{ "wf",	"wallis and futuna islands" },
322 
	{ "wk",	"wake island" },
323 
	{ "ws",	"samoa" },
324 
	{ "yd",	"democratic yemen" },
325 
	{ "ye",	"yemen" },
326 
	{ "yt",	"mayotte" },
327 
	{ "yu",	"yugoslavia" },
328 
	{ "za",	"south africa" },
329 
	{ "zm",	"zambia" },
330 
	{ "zr",	"zaire" },
331 
	{ "zw",	"zimbabwe" },
332 
 
333 
	{"gov", "gov"},
334 
	{"mil", "mil"},
335 
 
336 
	{ 0, 0 }
337 
};
338 
 
339 
int classdebug;
340 
 
341 
static int
342 
incountries(char *s, Country *cp)
343 
{
344 
	for(; cp->code != 0; cp++)
345 
		if(cistrcmp(s, cp->code) == 0
346 
		|| cistrcmp(s, cp->name) == 0)
347 
			return 1;
348 
	return 0;
349 
}
350 
 
351 
static int
352 
indomains(char *s, char **dp)
353 
{
354 
	for(; *dp != nil; dp++)
355 
		if(cistrcmp(s, *dp) == 0)
356 
			return 1;
357 
 
358 
	return 0;
359 
}
360 
 
361 
int
362 
classify(char *ip, Ndbtuple *t)
363 
{
364 
	int isgov, iscountry, isbadc, isgoodc;
365 
	char dom[256];
366 
	char *df[128];
367 
	Ndbtuple *nt, *x;
368 
	int n;
369 
 
370 
	isgov = iscountry = isbadc = 0;
371 
	isgoodc = 1;
372 
 
373 
	for(nt = t; nt != nil; nt = nt->entry){
374 
		if(strcmp(nt->attr, "country") == 0){
375 
			iscountry = 1;
376 
			if(incountries(nt->val, badc)){
377 
				if(classdebug)fprint(2, "isbadc\n");
378 
				isbadc = 1;
379 
				isgoodc = 0;
380 
			} else if(!incountries(nt->val, goodc)){
381 
				if(classdebug)fprint(2, "!isgoodc\n");
382 
				isgoodc = 0;
383 
			}
384 
		}
385 
 
386 
		/* domain names can always hurt, even without forward verification */
387 
		if(strcmp(nt->attr, "dom") == 0){
388 
			strncpy(dom, nt->val, sizeof dom);
389 
			dom[sizeof(dom)-1] = 0;
390 
			n = getfields(dom, df, nelem(df), 0, ".");
391 
 
392 
			/* a bad country in a domain name is always believed */
393 
			if(incountries(df[n-1], badc)){
394 
				if(classdebug)fprint(2, "isbadc dom\n");
395 
				isbadc = 1;
396 
				isgoodc = 0;
397 
			}
398 
 
399 
			/* a goverment in a domain name is always believed */
400 
			if(n > 1 && indomains(df[n-2], gov))
401 
				isgov = 1;
402 
		}
403 
	}
404 
	if(iscountry == 0){
405 
		/* did the forward lookup work? */
406 
		for(nt = t; nt != nil; nt = nt->entry){
407 
			if(strcmp(nt->attr, "ip") == 0 && strcmp(nt->val, ip) == 0)
408 
				break;
409 
		}
410 
 
411 
		/* see if the domain name ends in a country code */
412 
		if(nt != nil && (x = ndbfindattr(t, nt, "dom")) != nil){
413 
			strncpy(dom, x->val, sizeof dom);
414 
			dom[sizeof(dom)-1] = 0;
415 
			n = getfields(dom, df, nelem(df), 0, ".");
416 
			if(incountries(df[n-1], allc))
417 
				iscountry = 1;
418 
		}
419 
	}
420 
	if(iscountry == 0)
421 
		return Cunknown;
422 
	if(isbadc)
423 
		return Cbadc;
424 
	if(!isgoodc && isgov)
425 
		return Cbadgov;
426 
	return Cok;
427 
}