getent.c revision 1.8 1 1.8 lukem /* $NetBSD: getent.c,v 1.8 2006/05/04 23:22:21 lukem Exp $ */
2 1.1 lukem
3 1.1 lukem /*-
4 1.8 lukem * Copyright (c) 2004-2006 The NetBSD Foundation, Inc.
5 1.1 lukem * All rights reserved.
6 1.1 lukem *
7 1.1 lukem * This code is derived from software contributed to The NetBSD Foundation
8 1.1 lukem * by Luke Mewburn.
9 1.1 lukem *
10 1.1 lukem * Redistribution and use in source and binary forms, with or without
11 1.1 lukem * modification, are permitted provided that the following conditions
12 1.1 lukem * are met:
13 1.1 lukem * 1. Redistributions of source code must retain the above copyright
14 1.1 lukem * notice, this list of conditions and the following disclaimer.
15 1.1 lukem * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 lukem * notice, this list of conditions and the following disclaimer in the
17 1.1 lukem * documentation and/or other materials provided with the distribution.
18 1.1 lukem * 3. All advertising materials mentioning features or use of this software
19 1.1 lukem * must display the following acknowledgement:
20 1.1 lukem * This product includes software developed by the NetBSD
21 1.1 lukem * Foundation, Inc. and its contributors.
22 1.1 lukem * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.1 lukem * contributors may be used to endorse or promote products derived
24 1.1 lukem * from this software without specific prior written permission.
25 1.1 lukem *
26 1.1 lukem * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.1 lukem * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.1 lukem * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.1 lukem * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.1 lukem * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.1 lukem * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.1 lukem * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.1 lukem * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.1 lukem * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.1 lukem * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.1 lukem * POSSIBILITY OF SUCH DAMAGE.
37 1.1 lukem */
38 1.1 lukem
39 1.1 lukem #include <sys/cdefs.h>
40 1.1 lukem #ifndef lint
41 1.8 lukem __RCSID("$NetBSD: getent.c,v 1.8 2006/05/04 23:22:21 lukem Exp $");
42 1.1 lukem #endif /* not lint */
43 1.1 lukem
44 1.1 lukem #include <sys/socket.h>
45 1.1 lukem
46 1.1 lukem #include <assert.h>
47 1.1 lukem #include <ctype.h>
48 1.1 lukem #include <errno.h>
49 1.1 lukem #include <grp.h>
50 1.1 lukem #include <limits.h>
51 1.1 lukem #include <netdb.h>
52 1.1 lukem #include <pwd.h>
53 1.1 lukem #include <stdio.h>
54 1.5 lukem #include <stdarg.h>
55 1.1 lukem #include <stdlib.h>
56 1.1 lukem #include <string.h>
57 1.1 lukem #include <unistd.h>
58 1.1 lukem
59 1.1 lukem #include <arpa/inet.h>
60 1.1 lukem #include <arpa/nameser.h>
61 1.1 lukem
62 1.7 ginsbach #include <net/if.h>
63 1.7 ginsbach #include <net/if_ether.h>
64 1.7 ginsbach
65 1.1 lukem #include <netinet/in.h> /* for INET6_ADDRSTRLEN */
66 1.1 lukem
67 1.6 ginsbach #include <rpc/rpcent.h>
68 1.6 ginsbach
69 1.1 lukem static int usage(void);
70 1.1 lukem static int parsenum(const char *, unsigned long *);
71 1.7 ginsbach static int ethers(int, char *[]);
72 1.1 lukem static int group(int, char *[]);
73 1.1 lukem static int hosts(int, char *[]);
74 1.2 lukem static int networks(int, char *[]);
75 1.1 lukem static int passwd(int, char *[]);
76 1.3 lukem static int protocols(int, char *[]);
77 1.6 ginsbach static int rpc(int, char *[]);
78 1.4 lukem static int services(int, char *[]);
79 1.1 lukem static int shells(int, char *[]);
80 1.1 lukem
81 1.1 lukem enum {
82 1.1 lukem RV_OK = 0,
83 1.1 lukem RV_USAGE = 1,
84 1.1 lukem RV_NOTFOUND = 2,
85 1.1 lukem RV_NOENUM = 3,
86 1.1 lukem };
87 1.1 lukem
88 1.5 lukem static struct getentdb {
89 1.5 lukem const char *name;
90 1.5 lukem int (*callback)(int, char *[]);
91 1.5 lukem } databases[] = {
92 1.7 ginsbach { "ethers", ethers, },
93 1.5 lukem { "group", group, },
94 1.5 lukem { "hosts", hosts, },
95 1.5 lukem { "networks", networks, },
96 1.5 lukem { "passwd", passwd, },
97 1.5 lukem { "protocols", protocols, },
98 1.6 ginsbach { "rpc", rpc, },
99 1.5 lukem { "services", services, },
100 1.5 lukem { "shells", shells, },
101 1.5 lukem
102 1.5 lukem { NULL, NULL, },
103 1.5 lukem };
104 1.5 lukem
105 1.5 lukem
106 1.1 lukem int
107 1.1 lukem main(int argc, char *argv[])
108 1.1 lukem {
109 1.5 lukem struct getentdb *curdb;
110 1.1 lukem
111 1.1 lukem setprogname(argv[0]);
112 1.1 lukem
113 1.1 lukem if (argc < 2)
114 1.1 lukem usage();
115 1.5 lukem for (curdb = databases; curdb->name != NULL; curdb++) {
116 1.1 lukem if (strcmp(curdb->name, argv[1]) == 0) {
117 1.1 lukem exit(curdb->callback(argc, argv));
118 1.1 lukem break;
119 1.1 lukem }
120 1.1 lukem }
121 1.1 lukem fprintf(stderr, "Unknown database: %s\n", argv[1]);
122 1.1 lukem usage();
123 1.1 lukem /* NOTREACHED */
124 1.1 lukem return RV_USAGE;
125 1.1 lukem }
126 1.1 lukem
127 1.1 lukem static int
128 1.1 lukem usage(void)
129 1.1 lukem {
130 1.5 lukem struct getentdb *curdb;
131 1.1 lukem
132 1.1 lukem fprintf(stderr, "Usage: %s database [key ...]\n",
133 1.1 lukem getprogname());
134 1.5 lukem fprintf(stderr, " database may be one of:\n\t");
135 1.5 lukem for (curdb = databases; curdb->name != NULL; curdb++) {
136 1.5 lukem fprintf(stderr, " %s", curdb->name);
137 1.5 lukem }
138 1.5 lukem fprintf(stderr, "\n");
139 1.1 lukem exit(RV_USAGE);
140 1.1 lukem /* NOTREACHED */
141 1.1 lukem }
142 1.1 lukem
143 1.1 lukem static int
144 1.1 lukem parsenum(const char *word, unsigned long *result)
145 1.1 lukem {
146 1.1 lukem unsigned long num;
147 1.1 lukem char *ep;
148 1.1 lukem
149 1.1 lukem assert(word != NULL);
150 1.1 lukem assert(result != NULL);
151 1.1 lukem
152 1.1 lukem if (!isdigit((unsigned char)word[0]))
153 1.1 lukem return 0;
154 1.1 lukem errno = 0;
155 1.1 lukem num = strtoul(word, &ep, 10);
156 1.1 lukem if (num == ULONG_MAX && errno == ERANGE)
157 1.1 lukem return 0;
158 1.1 lukem if (*ep != '\0')
159 1.1 lukem return 0;
160 1.1 lukem *result = num;
161 1.1 lukem return 1;
162 1.1 lukem }
163 1.1 lukem
164 1.5 lukem /*
165 1.5 lukem * printfmtstrings --
166 1.5 lukem * vprintf(format, ...),
167 1.5 lukem * then the aliases (beginning with prefix, separated by sep),
168 1.5 lukem * then a newline
169 1.5 lukem */
170 1.5 lukem static void
171 1.5 lukem printfmtstrings(char *strings[], const char *prefix, const char *sep,
172 1.5 lukem const char *fmt, ...)
173 1.5 lukem {
174 1.5 lukem va_list ap;
175 1.5 lukem const char *curpref;
176 1.5 lukem int i;
177 1.1 lukem
178 1.5 lukem va_start(ap, fmt);
179 1.5 lukem vprintf(fmt, ap);
180 1.1 lukem
181 1.5 lukem curpref = prefix;
182 1.5 lukem for (i = 0; strings[i] != NULL; i++) {
183 1.5 lukem printf("%s%s", curpref, strings[i]);
184 1.5 lukem curpref = sep;
185 1.1 lukem }
186 1.1 lukem printf("\n");
187 1.1 lukem }
188 1.1 lukem
189 1.5 lukem
190 1.5 lukem /*
191 1.7 ginsbach * ethers
192 1.7 ginsbach */
193 1.7 ginsbach
194 1.7 ginsbach static int
195 1.7 ginsbach ethers(int argc, char *argv[])
196 1.7 ginsbach {
197 1.7 ginsbach char hostname[MAXHOSTNAMELEN + 1], *hp;
198 1.7 ginsbach struct ether_addr ea, *eap;
199 1.7 ginsbach int i, rv;
200 1.7 ginsbach
201 1.7 ginsbach assert(argc > 1);
202 1.7 ginsbach assert(argv != NULL);
203 1.7 ginsbach
204 1.7 ginsbach #define ETHERSPRINT printf("%-17s %s\n", ether_ntoa(eap), hp)
205 1.7 ginsbach
206 1.7 ginsbach rv = RV_OK;
207 1.7 ginsbach if (argc == 2) {
208 1.7 ginsbach fprintf(stderr, "Enumeration not supported on ethers\n");
209 1.7 ginsbach rv = RV_NOENUM;
210 1.7 ginsbach } else {
211 1.7 ginsbach for (i = 2; i < argc; i++) {
212 1.7 ginsbach if ((eap = ether_aton(argv[i])) == NULL) {
213 1.7 ginsbach eap = &ea;
214 1.7 ginsbach hp = argv[i];
215 1.7 ginsbach if (ether_hostton(hp, eap) != 0) {
216 1.7 ginsbach rv = RV_NOTFOUND;
217 1.7 ginsbach break;
218 1.7 ginsbach }
219 1.7 ginsbach } else {
220 1.7 ginsbach hp = hostname;
221 1.7 ginsbach if (ether_ntohost(hp, eap) != 0) {
222 1.7 ginsbach rv = RV_NOTFOUND;
223 1.7 ginsbach break;
224 1.7 ginsbach }
225 1.7 ginsbach }
226 1.7 ginsbach ETHERSPRINT;
227 1.7 ginsbach }
228 1.7 ginsbach }
229 1.7 ginsbach return rv;
230 1.7 ginsbach }
231 1.7 ginsbach
232 1.7 ginsbach /*
233 1.5 lukem * group
234 1.5 lukem */
235 1.5 lukem
236 1.1 lukem static int
237 1.1 lukem group(int argc, char *argv[])
238 1.1 lukem {
239 1.1 lukem struct group *gr;
240 1.1 lukem unsigned long id;
241 1.1 lukem int i, rv;
242 1.1 lukem
243 1.1 lukem assert(argc > 1);
244 1.1 lukem assert(argv != NULL);
245 1.1 lukem
246 1.5 lukem #define GROUPPRINT printfmtstrings(gr->gr_mem, ":", ",", "%s:%s:%u", \
247 1.5 lukem gr->gr_name, gr->gr_passwd, gr->gr_gid)
248 1.5 lukem
249 1.1 lukem setgroupent(1);
250 1.1 lukem rv = RV_OK;
251 1.1 lukem if (argc == 2) {
252 1.1 lukem while ((gr = getgrent()) != NULL)
253 1.5 lukem GROUPPRINT;
254 1.1 lukem } else {
255 1.1 lukem for (i = 2; i < argc; i++) {
256 1.1 lukem if (parsenum(argv[i], &id))
257 1.1 lukem gr = getgrgid((gid_t)id);
258 1.1 lukem else
259 1.1 lukem gr = getgrnam(argv[i]);
260 1.1 lukem if (gr != NULL)
261 1.5 lukem GROUPPRINT;
262 1.1 lukem else {
263 1.1 lukem rv = RV_NOTFOUND;
264 1.1 lukem break;
265 1.1 lukem }
266 1.1 lukem }
267 1.1 lukem }
268 1.1 lukem endgrent();
269 1.1 lukem return rv;
270 1.1 lukem }
271 1.1 lukem
272 1.3 lukem
273 1.1 lukem /*
274 1.1 lukem * hosts
275 1.1 lukem */
276 1.1 lukem
277 1.1 lukem static void
278 1.1 lukem hostsprint(const struct hostent *he)
279 1.1 lukem {
280 1.1 lukem char buf[INET6_ADDRSTRLEN];
281 1.1 lukem
282 1.1 lukem assert(he != NULL);
283 1.1 lukem if (inet_ntop(he->h_addrtype, he->h_addr, buf, sizeof(buf)) == NULL)
284 1.1 lukem strlcpy(buf, "# unknown", sizeof(buf));
285 1.5 lukem printfmtstrings(he->h_aliases, " ", " ", "%-16s %s", buf, he->h_name);
286 1.1 lukem }
287 1.1 lukem
288 1.1 lukem static int
289 1.1 lukem hosts(int argc, char *argv[])
290 1.1 lukem {
291 1.1 lukem struct hostent *he;
292 1.1 lukem char addr[IN6ADDRSZ];
293 1.1 lukem int i, rv;
294 1.1 lukem
295 1.1 lukem assert(argc > 1);
296 1.1 lukem assert(argv != NULL);
297 1.1 lukem
298 1.1 lukem sethostent(1);
299 1.1 lukem rv = RV_OK;
300 1.1 lukem if (argc == 2) {
301 1.1 lukem while ((he = gethostent()) != NULL)
302 1.1 lukem hostsprint(he);
303 1.1 lukem } else {
304 1.1 lukem for (i = 2; i < argc; i++) {
305 1.1 lukem if (inet_pton(AF_INET6, argv[i], (void *)addr) > 0)
306 1.1 lukem he = gethostbyaddr(addr, IN6ADDRSZ, AF_INET6);
307 1.1 lukem else if (inet_pton(AF_INET, argv[i], (void *)addr) > 0)
308 1.1 lukem he = gethostbyaddr(addr, INADDRSZ, AF_INET);
309 1.1 lukem else
310 1.1 lukem he = gethostbyname(argv[i]);
311 1.1 lukem if (he != NULL)
312 1.1 lukem hostsprint(he);
313 1.1 lukem else {
314 1.1 lukem rv = RV_NOTFOUND;
315 1.1 lukem break;
316 1.1 lukem }
317 1.1 lukem }
318 1.1 lukem }
319 1.1 lukem endhostent();
320 1.1 lukem return rv;
321 1.1 lukem }
322 1.1 lukem
323 1.2 lukem
324 1.2 lukem /*
325 1.2 lukem * networks
326 1.2 lukem */
327 1.2 lukem
328 1.2 lukem static void
329 1.2 lukem networksprint(const struct netent *ne)
330 1.2 lukem {
331 1.2 lukem char buf[INET6_ADDRSTRLEN];
332 1.2 lukem struct in_addr ianet;
333 1.2 lukem
334 1.2 lukem assert(ne != NULL);
335 1.2 lukem ianet = inet_makeaddr(ne->n_net, 0);
336 1.2 lukem if (inet_ntop(ne->n_addrtype, &ianet, buf, sizeof(buf)) == NULL)
337 1.2 lukem strlcpy(buf, "# unknown", sizeof(buf));
338 1.5 lukem printfmtstrings(ne->n_aliases, " ", " ", "%-16s %s", ne->n_name, buf);
339 1.2 lukem }
340 1.2 lukem
341 1.2 lukem static int
342 1.2 lukem networks(int argc, char *argv[])
343 1.2 lukem {
344 1.2 lukem struct netent *ne;
345 1.2 lukem in_addr_t net;
346 1.2 lukem int i, rv;
347 1.2 lukem
348 1.2 lukem assert(argc > 1);
349 1.2 lukem assert(argv != NULL);
350 1.2 lukem
351 1.2 lukem setnetent(1);
352 1.2 lukem rv = RV_OK;
353 1.2 lukem if (argc == 2) {
354 1.2 lukem while ((ne = getnetent()) != NULL)
355 1.2 lukem networksprint(ne);
356 1.2 lukem } else {
357 1.2 lukem for (i = 2; i < argc; i++) {
358 1.2 lukem net = inet_network(argv[i]);
359 1.2 lukem if (net != INADDR_NONE)
360 1.2 lukem ne = getnetbyaddr(net, AF_INET);
361 1.2 lukem else
362 1.2 lukem ne = getnetbyname(argv[i]);
363 1.2 lukem if (ne != NULL)
364 1.2 lukem networksprint(ne);
365 1.2 lukem else {
366 1.2 lukem rv = RV_NOTFOUND;
367 1.2 lukem break;
368 1.2 lukem }
369 1.2 lukem }
370 1.2 lukem }
371 1.2 lukem endnetent();
372 1.2 lukem return rv;
373 1.2 lukem }
374 1.2 lukem
375 1.3 lukem
376 1.1 lukem /*
377 1.1 lukem * passwd
378 1.1 lukem */
379 1.1 lukem
380 1.1 lukem static int
381 1.1 lukem passwd(int argc, char *argv[])
382 1.1 lukem {
383 1.1 lukem struct passwd *pw;
384 1.1 lukem unsigned long id;
385 1.1 lukem int i, rv;
386 1.1 lukem
387 1.1 lukem assert(argc > 1);
388 1.1 lukem assert(argv != NULL);
389 1.1 lukem
390 1.5 lukem #define PASSWDPRINT printf("%s:%s:%u:%u:%s:%s:%s\n", \
391 1.5 lukem pw->pw_name, pw->pw_passwd, pw->pw_uid, \
392 1.5 lukem pw->pw_gid, pw->pw_gecos, pw->pw_dir, pw->pw_shell)
393 1.5 lukem
394 1.1 lukem setpassent(1);
395 1.1 lukem rv = RV_OK;
396 1.1 lukem if (argc == 2) {
397 1.1 lukem while ((pw = getpwent()) != NULL)
398 1.5 lukem PASSWDPRINT;
399 1.1 lukem } else {
400 1.1 lukem for (i = 2; i < argc; i++) {
401 1.1 lukem if (parsenum(argv[i], &id))
402 1.1 lukem pw = getpwuid((uid_t)id);
403 1.1 lukem else
404 1.1 lukem pw = getpwnam(argv[i]);
405 1.1 lukem if (pw != NULL)
406 1.5 lukem PASSWDPRINT;
407 1.1 lukem else {
408 1.1 lukem rv = RV_NOTFOUND;
409 1.1 lukem break;
410 1.1 lukem }
411 1.1 lukem }
412 1.1 lukem }
413 1.1 lukem endpwent();
414 1.1 lukem return rv;
415 1.1 lukem }
416 1.1 lukem
417 1.3 lukem
418 1.3 lukem /*
419 1.3 lukem * protocols
420 1.3 lukem */
421 1.3 lukem
422 1.3 lukem static int
423 1.3 lukem protocols(int argc, char *argv[])
424 1.3 lukem {
425 1.3 lukem struct protoent *pe;
426 1.3 lukem unsigned long id;
427 1.3 lukem int i, rv;
428 1.3 lukem
429 1.3 lukem assert(argc > 1);
430 1.3 lukem assert(argv != NULL);
431 1.3 lukem
432 1.5 lukem #define PROTOCOLSPRINT printfmtstrings(pe->p_aliases, " ", " ", \
433 1.5 lukem "%-16s %5d", pe->p_name, pe->p_proto)
434 1.5 lukem
435 1.3 lukem setprotoent(1);
436 1.3 lukem rv = RV_OK;
437 1.3 lukem if (argc == 2) {
438 1.3 lukem while ((pe = getprotoent()) != NULL)
439 1.5 lukem PROTOCOLSPRINT;
440 1.3 lukem } else {
441 1.3 lukem for (i = 2; i < argc; i++) {
442 1.3 lukem if (parsenum(argv[i], &id))
443 1.3 lukem pe = getprotobynumber((int)id);
444 1.3 lukem else
445 1.3 lukem pe = getprotobyname(argv[i]);
446 1.3 lukem if (pe != NULL)
447 1.5 lukem PROTOCOLSPRINT;
448 1.3 lukem else {
449 1.3 lukem rv = RV_NOTFOUND;
450 1.3 lukem break;
451 1.3 lukem }
452 1.3 lukem }
453 1.3 lukem }
454 1.3 lukem endprotoent();
455 1.3 lukem return rv;
456 1.3 lukem }
457 1.3 lukem
458 1.6 ginsbach /*
459 1.6 ginsbach * rpc
460 1.6 ginsbach */
461 1.6 ginsbach
462 1.6 ginsbach static int
463 1.6 ginsbach rpc(int argc, char *argv[])
464 1.6 ginsbach {
465 1.6 ginsbach struct rpcent *re;
466 1.6 ginsbach unsigned long id;
467 1.6 ginsbach int i, rv;
468 1.6 ginsbach
469 1.6 ginsbach assert(argc > 1);
470 1.6 ginsbach assert(argv != NULL);
471 1.6 ginsbach
472 1.6 ginsbach #define RPCPRINT printfmtstrings(re->r_aliases, " ", " ", \
473 1.6 ginsbach "%-16s %6d", \
474 1.6 ginsbach re->r_name, re->r_number)
475 1.6 ginsbach
476 1.6 ginsbach setrpcent(1);
477 1.6 ginsbach rv = RV_OK;
478 1.6 ginsbach if (argc == 2) {
479 1.6 ginsbach while ((re = getrpcent()) != NULL)
480 1.6 ginsbach RPCPRINT;
481 1.6 ginsbach } else {
482 1.6 ginsbach for (i = 2; i < argc; i++) {
483 1.6 ginsbach if (parsenum(argv[i], &id))
484 1.6 ginsbach re = getrpcbynumber((int)id);
485 1.6 ginsbach else
486 1.6 ginsbach re = getrpcbyname(argv[i]);
487 1.6 ginsbach if (re != NULL)
488 1.6 ginsbach RPCPRINT;
489 1.6 ginsbach else {
490 1.6 ginsbach rv = RV_NOTFOUND;
491 1.6 ginsbach break;
492 1.6 ginsbach }
493 1.6 ginsbach }
494 1.6 ginsbach }
495 1.6 ginsbach endrpcent();
496 1.6 ginsbach return rv;
497 1.6 ginsbach }
498 1.3 lukem
499 1.1 lukem /*
500 1.4 lukem * services
501 1.4 lukem */
502 1.4 lukem
503 1.4 lukem static int
504 1.4 lukem services(int argc, char *argv[])
505 1.4 lukem {
506 1.4 lukem struct servent *se;
507 1.4 lukem unsigned long id;
508 1.4 lukem char *proto;
509 1.4 lukem int i, rv;
510 1.4 lukem
511 1.4 lukem assert(argc > 1);
512 1.4 lukem assert(argv != NULL);
513 1.4 lukem
514 1.5 lukem #define SERVICESPRINT printfmtstrings(se->s_aliases, " ", " ", \
515 1.5 lukem "%-16s %5d/%s", \
516 1.5 lukem se->s_name, ntohs(se->s_port), se->s_proto)
517 1.5 lukem
518 1.4 lukem setservent(1);
519 1.4 lukem rv = RV_OK;
520 1.4 lukem if (argc == 2) {
521 1.4 lukem while ((se = getservent()) != NULL)
522 1.5 lukem SERVICESPRINT;
523 1.4 lukem } else {
524 1.4 lukem for (i = 2; i < argc; i++) {
525 1.4 lukem proto = strchr(argv[i], '/');
526 1.4 lukem if (proto != NULL)
527 1.4 lukem *proto++ = '\0';
528 1.4 lukem if (parsenum(argv[i], &id))
529 1.8 lukem se = getservbyport((int)htons(id), proto);
530 1.4 lukem else
531 1.4 lukem se = getservbyname(argv[i], proto);
532 1.4 lukem if (se != NULL)
533 1.5 lukem SERVICESPRINT;
534 1.4 lukem else {
535 1.4 lukem rv = RV_NOTFOUND;
536 1.4 lukem break;
537 1.4 lukem }
538 1.4 lukem }
539 1.4 lukem }
540 1.4 lukem endservent();
541 1.4 lukem return rv;
542 1.4 lukem }
543 1.4 lukem
544 1.4 lukem
545 1.4 lukem /*
546 1.1 lukem * shells
547 1.1 lukem */
548 1.1 lukem
549 1.1 lukem static int
550 1.1 lukem shells(int argc, char *argv[])
551 1.1 lukem {
552 1.1 lukem const char *sh;
553 1.1 lukem int i, rv;
554 1.1 lukem
555 1.1 lukem assert(argc > 1);
556 1.1 lukem assert(argv != NULL);
557 1.1 lukem
558 1.5 lukem #define SHELLSPRINT printf("%s\n", sh)
559 1.5 lukem
560 1.1 lukem setusershell();
561 1.1 lukem rv = RV_OK;
562 1.1 lukem if (argc == 2) {
563 1.1 lukem while ((sh = getusershell()) != NULL)
564 1.5 lukem SHELLSPRINT;
565 1.1 lukem } else {
566 1.1 lukem for (i = 2; i < argc; i++) {
567 1.1 lukem setusershell();
568 1.1 lukem while ((sh = getusershell()) != NULL) {
569 1.1 lukem if (strcmp(sh, argv[i]) == 0) {
570 1.5 lukem SHELLSPRINT;
571 1.1 lukem break;
572 1.1 lukem }
573 1.1 lukem }
574 1.1 lukem if (sh == NULL) {
575 1.1 lukem rv = RV_NOTFOUND;
576 1.1 lukem break;
577 1.1 lukem }
578 1.1 lukem }
579 1.1 lukem }
580 1.1 lukem endusershell();
581 1.1 lukem return rv;
582 1.1 lukem }
583