File: | src/usr.sbin/ypldap/yp.c |
Warning: | line 272, column 3 Value stored to 'xdr_argument' is never read |
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1 | /* $OpenBSD: yp.c,v 1.22 2023/07/18 13:06:33 claudio Exp $ */ |
2 | /* |
3 | * Copyright (c) 2008 Pierre-Yves Ritschard <pyr@openbsd.org> |
4 | * |
5 | * Permission to use, copy, modify, and distribute this software for any |
6 | * purpose with or without fee is hereby granted, provided that the above |
7 | * copyright notice and this permission notice appear in all copies. |
8 | * |
9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
16 | */ |
17 | |
18 | #include <sys/types.h> |
19 | #include <sys/queue.h> |
20 | #include <sys/socket.h> |
21 | #include <sys/select.h> |
22 | #include <sys/tree.h> |
23 | #include <sys/stat.h> |
24 | |
25 | #include <netinet/in.h> |
26 | #include <arpa/inet.h> |
27 | |
28 | #include <errno(*__errno()).h> |
29 | #include <event.h> |
30 | #include <fcntl.h> |
31 | #include <unistd.h> |
32 | #include <pwd.h> |
33 | #include <stdio.h> |
34 | #include <stdlib.h> |
35 | #include <string.h> |
36 | #include <limits.h> |
37 | |
38 | #include <rpc/rpc.h> |
39 | #include <rpc/xdr.h> |
40 | #include <rpc/pmap_clnt.h> |
41 | #include <rpc/pmap_prot.h> |
42 | #include <rpc/pmap_rmt.h> |
43 | #include <rpcsvc/yp.h> |
44 | #include <rpcsvc/ypclnt.h> |
45 | |
46 | #include "ypldap.h" |
47 | #include "log.h" |
48 | |
49 | #define BINDINGDIR"/var/yp/binding" "/var/yp/binding" |
50 | |
51 | void yp_dispatch(struct svc_req *, SVCXPRT *); |
52 | void yp_disable_events(void); |
53 | void yp_fd_event(int, short, void *); |
54 | int yp_check(struct svc_req *); |
55 | int yp_valid_domain(char *, struct ypresp_val *); |
56 | void yp_make_val(struct ypresp_val *, char *, int); |
57 | void yp_make_keyval(struct ypresp_key_val *, char *, char *); |
58 | int yp_write_binding(int, int); |
59 | |
60 | static struct env *env; |
61 | |
62 | struct yp_event { |
63 | TAILQ_ENTRY(yp_event)struct { struct yp_event *tqe_next; struct yp_event **tqe_prev ; } ye_entry; |
64 | struct event ye_event; |
65 | }; |
66 | |
67 | struct yp_data { |
68 | SVCXPRT *yp_trans_udp; |
69 | SVCXPRT *yp_trans_tcp; |
70 | TAILQ_HEAD(, yp_event)struct { struct yp_event *tqh_first; struct yp_event **tqh_last ; } yd_events; |
71 | }; |
72 | |
73 | void |
74 | yp_disable_events(void) |
75 | { |
76 | struct yp_event *ye; |
77 | |
78 | while ((ye = TAILQ_FIRST(&env->sc_yp->yd_events)((&env->sc_yp->yd_events)->tqh_first)) != NULL((void *)0)) { |
79 | TAILQ_REMOVE(&env->sc_yp->yd_events, ye, ye_entry)do { if (((ye)->ye_entry.tqe_next) != ((void *)0)) (ye)-> ye_entry.tqe_next->ye_entry.tqe_prev = (ye)->ye_entry.tqe_prev ; else (&env->sc_yp->yd_events)->tqh_last = (ye) ->ye_entry.tqe_prev; *(ye)->ye_entry.tqe_prev = (ye)-> ye_entry.tqe_next; ; ; } while (0); |
80 | event_del(&ye->ye_event); |
81 | free(ye); |
82 | } |
83 | } |
84 | |
85 | void |
86 | yp_enable_events(void) |
87 | { |
88 | int i; |
89 | extern fd_set *__svc_fdset; |
90 | extern int __svc_fdsetsize; |
91 | struct yp_event *ye; |
92 | |
93 | for (i = 0; i < __svc_fdsetsize; i++) { |
94 | if (FD_ISSET(i, __svc_fdset)__fd_isset((i), (__svc_fdset))) { |
95 | if ((ye = calloc(1, sizeof(*ye))) == NULL((void *)0)) |
96 | fatal(NULL((void *)0)); |
97 | event_set(&ye->ye_event, i, EV_READ0x02, yp_fd_event, NULL((void *)0)); |
98 | event_add(&ye->ye_event, NULL((void *)0)); |
99 | TAILQ_INSERT_TAIL(&env->sc_yp->yd_events, ye, ye_entry)do { (ye)->ye_entry.tqe_next = ((void *)0); (ye)->ye_entry .tqe_prev = (&env->sc_yp->yd_events)->tqh_last; * (&env->sc_yp->yd_events)->tqh_last = (ye); (& env->sc_yp->yd_events)->tqh_last = &(ye)->ye_entry .tqe_next; } while (0); |
100 | } |
101 | } |
102 | } |
103 | |
104 | void |
105 | yp_fd_event(int fd, short event, void *p) |
106 | { |
107 | svc_getreq_common(fd); |
108 | yp_disable_events(); |
109 | yp_enable_events(); |
110 | } |
111 | |
112 | void |
113 | yp_init(struct env *x_env) |
114 | { |
115 | struct sockaddr_in addr; |
116 | struct yp_data *yp; |
117 | int s, udpport, tcpport; |
118 | |
119 | if ((yp = calloc(1, sizeof(*yp))) == NULL((void *)0)) |
120 | fatal(NULL((void *)0)); |
121 | TAILQ_INIT(&yp->yd_events)do { (&yp->yd_events)->tqh_first = ((void *)0); (& yp->yd_events)->tqh_last = &(&yp->yd_events) ->tqh_first; } while (0); |
122 | |
123 | env = x_env; |
124 | env->sc_yp = yp; |
125 | |
126 | switch (env->sc_bind_mode) { |
127 | case BIND_MODE_LOCAL: |
128 | addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK)(__uint32_t)(__builtin_constant_p(((u_int32_t)(0x7f000001))) ? (__uint32_t)(((__uint32_t)(((u_int32_t)(0x7f000001))) & 0xff ) << 24 | ((__uint32_t)(((u_int32_t)(0x7f000001))) & 0xff00) << 8 | ((__uint32_t)(((u_int32_t)(0x7f000001)) ) & 0xff0000) >> 8 | ((__uint32_t)(((u_int32_t)(0x7f000001 ))) & 0xff000000) >> 24) : __swap32md(((u_int32_t)( 0x7f000001)))); |
129 | addr.sin_len = sizeof(struct sockaddr_in); |
130 | addr.sin_family = AF_INET2; |
131 | |
132 | s = socket(AF_INET2, SOCK_DGRAM2, IPPROTO_UDP17); |
133 | if (s == -1) |
134 | fatal("cannot create udp socket"); |
135 | addr.sin_port = 0; |
136 | if (bindresvport(s, &addr)) |
137 | fatal("cannot bind udp socket"); |
138 | if ((yp->yp_trans_udp = svcudp_create(s)) == NULL((void *)0)) |
139 | fatal("cannot create udp service"); |
140 | udpport = ntohs(addr.sin_port)(__uint16_t)(__builtin_constant_p(addr.sin_port) ? (__uint16_t )(((__uint16_t)(addr.sin_port) & 0xffU) << 8 | ((__uint16_t )(addr.sin_port) & 0xff00U) >> 8) : __swap16md(addr .sin_port)); |
141 | |
142 | s = socket(AF_INET2, SOCK_STREAM1, IPPROTO_TCP6); |
143 | if (s == -1) |
144 | fatal("cannot create tcp socket"); |
145 | addr.sin_port = 0; |
146 | if (bindresvport(s, &addr)) |
147 | fatal("cannot bind tcp socket"); |
148 | if ((yp->yp_trans_tcp = svctcp_create(s, 0, 0)) == NULL((void *)0)) |
149 | fatal("cannot create tcp service"); |
150 | tcpport = ntohs(addr.sin_port)(__uint16_t)(__builtin_constant_p(addr.sin_port) ? (__uint16_t )(((__uint16_t)(addr.sin_port) & 0xffU) << 8 | ((__uint16_t )(addr.sin_port) & 0xff00U) >> 8) : __swap16md(addr .sin_port)); |
151 | |
152 | /* protocol 0 means don't register with portmap */ |
153 | if (!svc_register(yp->yp_trans_udp, YPPROG((u_long)100004), YPVERS((u_long)2), |
154 | yp_dispatch, 0)) { |
155 | fatal("unable to register (YPPROG, YPVERS, udp)"); |
156 | } |
157 | if (!svc_register(yp->yp_trans_tcp, YPPROG((u_long)100004), YPVERS((u_long)2), |
158 | yp_dispatch, 0)) { |
159 | fatal("unable to register (YPPROG, YPVERS, tcp)"); |
160 | } |
161 | |
162 | if (yp_write_binding(udpport, tcpport)) |
163 | fatal("cannot write yp binding file"); |
164 | |
165 | break; |
166 | |
167 | case BIND_MODE_PORTMAP: |
168 | (void)pmap_unset(YPPROG((u_long)100004), YPVERS((u_long)2)); |
169 | |
170 | if ((yp->yp_trans_udp = svcudp_create(RPC_ANYSOCK-1)) == NULL((void *)0)) |
171 | fatal("cannot create udp service"); |
172 | if ((yp->yp_trans_tcp = svctcp_create(RPC_ANYSOCK-1, 0, 0)) == |
173 | NULL((void *)0)) |
174 | fatal("cannot create tcp service"); |
175 | |
176 | if (!svc_register(yp->yp_trans_udp, YPPROG((u_long)100004), YPVERS((u_long)2), |
177 | yp_dispatch, IPPROTO_UDP17)) { |
178 | fatal("unable to register (YPPROG, YPVERS, udp)"); |
179 | } |
180 | if (!svc_register(yp->yp_trans_tcp, YPPROG((u_long)100004), YPVERS((u_long)2), |
181 | yp_dispatch, IPPROTO_TCP6)) { |
182 | fatal("unable to register (YPPROG, YPVERS, tcp)"); |
183 | } |
184 | break; |
185 | } |
186 | } |
187 | |
188 | int |
189 | yp_write_binding(int udpport, int tcpport) |
190 | { |
191 | char path[PATH_MAX1024]; |
192 | struct ypbind_resp ybr; |
193 | struct iovec iov[3]; |
194 | struct in_addr bindaddr; |
195 | u_short ypbind, ypserv_tcp, ypserv_udp; |
196 | ssize_t total; |
197 | int fd; |
198 | |
199 | snprintf(path, sizeof path, "%s/%s.%ld", BINDINGDIR"/var/yp/binding", env->sc_domainname, |
200 | YPVERS((u_long)2)); |
201 | fd = open(path, O_CREAT0x0200|O_SHLOCK0x0010|O_RDWR0x0002|O_TRUNC0x0400, 0644); |
202 | if (fd == -1) { |
203 | (void)mkdir(BINDINGDIR"/var/yp/binding", 0755); |
204 | fd = open(path, O_CREAT0x0200|O_SHLOCK0x0010|O_RDWR0x0002|O_TRUNC0x0400, |
205 | 0644); |
206 | if (fd == -1) |
207 | return -1; |
208 | } |
209 | |
210 | if (fchmod(fd, 0644) == -1) |
211 | return -1; |
212 | |
213 | iov[0].iov_base = (caddr_t)&ypbind; |
214 | iov[0].iov_len = sizeof ypbind; |
215 | iov[1].iov_base = (caddr_t)&ybr; |
216 | iov[1].iov_len = sizeof ybr; |
217 | iov[2].iov_base = (caddr_t)&ypserv_tcp; |
218 | iov[2].iov_len = sizeof ypserv_tcp; |
219 | |
220 | bindaddr.s_addr = htonl(INADDR_LOOPBACK)(__uint32_t)(__builtin_constant_p(((u_int32_t)(0x7f000001))) ? (__uint32_t)(((__uint32_t)(((u_int32_t)(0x7f000001))) & 0xff ) << 24 | ((__uint32_t)(((u_int32_t)(0x7f000001))) & 0xff00) << 8 | ((__uint32_t)(((u_int32_t)(0x7f000001)) ) & 0xff0000) >> 8 | ((__uint32_t)(((u_int32_t)(0x7f000001 ))) & 0xff000000) >> 24) : __swap32md(((u_int32_t)( 0x7f000001)))); |
221 | ypserv_tcp = htons(tcpport)(__uint16_t)(__builtin_constant_p(tcpport) ? (__uint16_t)(((__uint16_t )(tcpport) & 0xffU) << 8 | ((__uint16_t)(tcpport) & 0xff00U) >> 8) : __swap16md(tcpport)); |
222 | ypserv_udp = htons(udpport)(__uint16_t)(__builtin_constant_p(udpport) ? (__uint16_t)(((__uint16_t )(udpport) & 0xffU) << 8 | ((__uint16_t)(udpport) & 0xff00U) >> 8) : __swap16md(udpport)); |
223 | ypbind = 0; |
224 | memset(&ybr, 0, sizeof ybr); |
225 | ybr.ypbind_status = YPBIND_SUCC_VAL; |
226 | memmove(&ybr.ypbind_resp_u.ypbind_bindinfo.ypbind_binding_addr, |
227 | &bindaddr, |
228 | sizeof(ybr.ypbind_resp_u.ypbind_bindinfo.ypbind_binding_addr)); |
229 | memmove(&ybr.ypbind_resp_u.ypbind_bindinfo.ypbind_binding_port, |
230 | &ypserv_udp, |
231 | sizeof(ybr.ypbind_resp_u.ypbind_bindinfo.ypbind_binding_port)); |
232 | |
233 | total = iov[0].iov_len + iov[1].iov_len + iov[2].iov_len; |
234 | if (writev(fd, iov, sizeof(iov)/sizeof(iov[0])) != |
235 | total) { |
236 | close(fd); |
237 | unlink(path); |
238 | return -1; |
239 | } |
240 | |
241 | return 0; |
242 | } |
243 | |
244 | /* |
245 | * lots of inspiration from ypserv by Mats O Jansson |
246 | */ |
247 | void |
248 | yp_dispatch(struct svc_req *req, SVCXPRT *trans) |
249 | { |
250 | xdrproc_t xdr_argument; |
251 | xdrproc_t xdr_result; |
252 | char *result; |
253 | char *(*cb)(char *, struct svc_req *); |
254 | union { |
255 | domainname ypproc_domain_2_arg; |
256 | domainname ypproc_domain_nonack_2_arg; |
257 | ypreq_key ypproc_match_2_arg; |
258 | ypreq_nokey ypproc_first_2_arg; |
259 | ypreq_key ypproc_next_2_arg; |
260 | ypreq_xfr ypproc_xfr_2_arg; |
261 | ypreq_nokey ypproc_all_2_arg; |
262 | ypreq_nokey ypproc_master_2_arg; |
263 | ypreq_nokey ypproc_order_2_arg; |
264 | domainname ypproc_maplist_2_arg; |
265 | } argument; |
266 | |
267 | xdr_argument = (xdrproc_t) xdr_void; |
268 | xdr_result = (xdrproc_t) xdr_void; |
269 | cb = NULL((void *)0); |
270 | switch (req->rq_proc) { |
271 | case YPPROC_NULL((u_long)0): |
272 | xdr_argument = (xdrproc_t) xdr_void; |
Value stored to 'xdr_argument' is never read | |
273 | xdr_result = (xdrproc_t) xdr_void; |
274 | if (yp_check(req) == -1) |
275 | return; |
276 | result = NULL((void *)0); |
277 | if (!svc_sendreply(trans, (xdrproc_t) xdr_void, |
278 | (void *)&result)) |
279 | svcerr_systemerr(trans); |
280 | return; |
281 | case YPPROC_DOMAIN((u_long)1): |
282 | xdr_argument = (xdrproc_t) xdr_domainname; |
283 | xdr_result = (xdrproc_t) xdr_bool; |
284 | if (yp_check(req) == -1) |
285 | return; |
286 | cb = (void *)ypproc_domain_2_svc; |
287 | break; |
288 | case YPPROC_DOMAIN_NONACK((u_long)2): |
289 | xdr_argument = (xdrproc_t) xdr_domainname; |
290 | xdr_result = (xdrproc_t) xdr_bool; |
291 | if (yp_check(req) == -1) |
292 | return; |
293 | cb = (void *)ypproc_domain_nonack_2_svc; |
294 | break; |
295 | case YPPROC_MATCH((u_long)3): |
296 | xdr_argument = (xdrproc_t) xdr_ypreq_key; |
297 | xdr_result = (xdrproc_t) xdr_ypresp_val; |
298 | if (yp_check(req) == -1) |
299 | return; |
300 | cb = (void *)ypproc_match_2_svc; |
301 | break; |
302 | case YPPROC_FIRST((u_long)4): |
303 | xdr_argument = (xdrproc_t) xdr_ypreq_nokey; |
304 | xdr_result = (xdrproc_t) xdr_ypresp_key_val; |
305 | if (yp_check(req) == -1) |
306 | return; |
307 | cb = (void *)ypproc_first_2_svc; |
308 | break; |
309 | case YPPROC_NEXT((u_long)5): |
310 | xdr_argument = (xdrproc_t) xdr_ypreq_key; |
311 | xdr_result = (xdrproc_t) xdr_ypresp_key_val; |
312 | if (yp_check(req) == -1) |
313 | return; |
314 | cb = (void *)ypproc_next_2_svc; |
315 | break; |
316 | case YPPROC_XFR((u_long)6): |
317 | if (yp_check(req) == -1) |
318 | return; |
319 | svcerr_noproc(trans); |
320 | return; |
321 | case YPPROC_CLEAR((u_long)7): |
322 | log_debug("ypproc_clear"); |
323 | if (yp_check(req) == -1) |
324 | return; |
325 | svcerr_noproc(trans); |
326 | return; |
327 | case YPPROC_ALL((u_long)8): |
328 | log_debug("ypproc_all"); |
329 | xdr_argument = (xdrproc_t) xdr_ypreq_nokey; |
330 | xdr_result = (xdrproc_t) xdr_ypresp_all; |
331 | if (yp_check(req) == -1) |
332 | return; |
333 | cb = (void *)ypproc_all_2_svc; |
334 | break; |
335 | case YPPROC_MASTER((u_long)9): |
336 | xdr_argument = (xdrproc_t) xdr_ypreq_nokey; |
337 | xdr_result = (xdrproc_t) xdr_ypresp_master; |
338 | if (yp_check(req) == -1) |
339 | return; |
340 | cb = (void *)ypproc_master_2_svc; |
341 | break; |
342 | case YPPROC_ORDER((u_long)10): |
343 | log_debug("ypproc_order"); |
344 | if (yp_check(req) == -1) |
345 | return; |
346 | svcerr_noproc(trans); |
347 | return; |
348 | case YPPROC_MAPLIST((u_long)11): |
349 | xdr_argument = (xdrproc_t) xdr_domainname; |
350 | xdr_result = (xdrproc_t) xdr_ypresp_maplist; |
351 | if (yp_check(req) == -1) |
352 | return; |
353 | cb = (void *)ypproc_maplist_2_svc; |
354 | break; |
355 | default: |
356 | svcerr_noproc(trans); |
357 | return; |
358 | } |
359 | (void)memset(&argument, 0, sizeof(argument)); |
360 | |
361 | if (!svc_getargs(trans, xdr_argument, (caddr_t)&argument)(*(trans)->xp_ops->xp_getargs)((trans), (xdr_argument), ((caddr_t)&argument))) { |
362 | svcerr_decode(trans); |
363 | return; |
364 | } |
365 | result = (*cb)((char *)&argument, req); |
366 | if (result != NULL((void *)0) && !svc_sendreply(trans, xdr_result, result)) |
367 | svcerr_systemerr(trans); |
368 | if (!svc_freeargs(trans, xdr_argument, (caddr_t)&argument)(*(trans)->xp_ops->xp_freeargs)((trans), (xdr_argument) , ((caddr_t)&argument))) { |
369 | /* |
370 | * ypserv does it too. |
371 | */ |
372 | fatal("unable to free arguments"); |
373 | } |
374 | } |
375 | |
376 | int |
377 | yp_check(struct svc_req *req) |
378 | { |
379 | #ifdef notyet |
380 | struct sockaddr_in *caller; |
381 | |
382 | caller = svc_getcaller(req->rq_xprt)(&(req->rq_xprt)->xp_raddr); |
383 | /* |
384 | * We might want to know who we allow here. |
385 | */ |
386 | #endif |
387 | return (0); |
388 | } |
389 | |
390 | int |
391 | yp_valid_domain(char *domain, struct ypresp_val *res) |
392 | { |
393 | if (domain == NULL((void *)0)) { |
394 | log_debug("NULL domain !"); |
395 | return (-1); |
396 | } |
397 | if (strcmp(domain, env->sc_domainname) != 0) { |
398 | res->stat = YP_NODOM; |
399 | return (-1); |
400 | } |
401 | return (0); |
402 | } |
403 | |
404 | bool_tint32_t * |
405 | ypproc_domain_2_svc(domainname *arg, struct svc_req *req) |
406 | { |
407 | static bool_tint32_t res; |
408 | |
409 | res = (bool_tint32_t)1; |
410 | if (strcmp(*arg, env->sc_domainname) != 0) |
411 | res = (bool_tint32_t)0; |
412 | return (&res); |
413 | } |
414 | |
415 | bool_tint32_t * |
416 | ypproc_domain_nonack_2_svc(domainname *arg, struct svc_req *req) |
417 | { |
418 | static bool_tint32_t res; |
419 | |
420 | if (strcmp(*arg, env->sc_domainname) != 0) |
421 | return NULL((void *)0); |
422 | res = (bool_tint32_t)1; |
423 | return (&res); |
424 | } |
425 | |
426 | ypresp_val * |
427 | ypproc_match_2_svc(ypreq_key *arg, struct svc_req *req) |
428 | { |
429 | struct userent ukey; |
430 | struct userent *ue; |
431 | struct groupent gkey; |
432 | struct groupent *ge; |
433 | static struct ypresp_val res; |
434 | const char *estr; |
435 | char *bp, *cp; |
436 | char key[YPMAXRECORD1024+1]; |
437 | |
438 | log_debug("matching '%.*s' in map %s", arg->key.keydat_len, |
439 | arg->key.keydat_val, arg->map); |
440 | |
441 | if (yp_valid_domain(arg->domain, (struct ypresp_val *)&res) == -1) |
442 | return (&res); |
443 | |
444 | if (env->sc_user_names == NULL((void *)0)) { |
445 | /* |
446 | * tree not ready. |
447 | */ |
448 | return (NULL((void *)0)); |
449 | } |
450 | |
451 | if (arg->key.keydat_len > YPMAXRECORD1024) { |
452 | log_debug("argument too long"); |
453 | return (NULL((void *)0)); |
454 | } |
455 | memset(key, 0, sizeof(key)); |
456 | (void)strncpy(key, arg->key.keydat_val, arg->key.keydat_len); |
457 | |
458 | if (strcmp(arg->map, "passwd.byname") == 0 || |
459 | strcmp(arg->map, "master.passwd.byname") == 0) { |
460 | ukey.ue_line = key; |
461 | if ((ue = RB_FIND(user_name_tree, env->sc_user_names,user_name_tree_RB_FIND(env->sc_user_names, &ukey) |
462 | &ukey)user_name_tree_RB_FIND(env->sc_user_names, &ukey)) == NULL((void *)0)) { |
463 | res.stat = YP_NOKEY; |
464 | return (&res); |
465 | } |
466 | |
467 | yp_make_val(&res, ue->ue_line, 1); |
468 | return (&res); |
469 | } else if (strcmp(arg->map, "passwd.byuid") == 0 || |
470 | strcmp(arg->map, "master.passwd.byuid") == 0) { |
471 | ukey.ue_uid = strtonum(key, 0, UID_MAX0xffffffffU, &estr); |
472 | if (estr) { |
473 | res.stat = YP_BADARGS; |
474 | return (&res); |
475 | } |
476 | |
477 | if ((ue = RB_FIND(user_uid_tree, &env->sc_user_uids,user_uid_tree_RB_FIND(&env->sc_user_uids, &ukey) |
478 | &ukey)user_uid_tree_RB_FIND(&env->sc_user_uids, &ukey)) == NULL((void *)0)) { |
479 | res.stat = YP_NOKEY; |
480 | return (&res); |
481 | } |
482 | |
483 | yp_make_val(&res, ue->ue_line, 1); |
484 | return (&res); |
485 | } else if (strcmp(arg->map, "group.bygid") == 0) { |
486 | gkey.ge_gid = strtonum(key, 0, GID_MAX0xffffffffU, &estr); |
487 | if (estr) { |
488 | res.stat = YP_BADARGS; |
489 | return (&res); |
490 | } |
491 | if ((ge = RB_FIND(group_gid_tree, &env->sc_group_gids,group_gid_tree_RB_FIND(&env->sc_group_gids, &gkey) |
492 | &gkey)group_gid_tree_RB_FIND(&env->sc_group_gids, &gkey)) == NULL((void *)0)) { |
493 | res.stat = YP_NOKEY; |
494 | return (&res); |
495 | } |
496 | |
497 | yp_make_val(&res, ge->ge_line, 1); |
498 | return (&res); |
499 | } else if (strcmp(arg->map, "group.byname") == 0) { |
500 | gkey.ge_line = key; |
501 | if ((ge = RB_FIND(group_name_tree, env->sc_group_names,group_name_tree_RB_FIND(env->sc_group_names, &gkey) |
502 | &gkey)group_name_tree_RB_FIND(env->sc_group_names, &gkey)) == NULL((void *)0)) { |
503 | res.stat = YP_NOKEY; |
504 | return (&res); |
505 | } |
506 | |
507 | yp_make_val(&res, ge->ge_line, 1); |
508 | return (&res); |
509 | } else if (strcmp(arg->map, "netid.byname") == 0) { |
510 | bp = cp = key; |
511 | |
512 | if (strncmp(bp, "unix.", strlen("unix.")) != 0) { |
513 | res.stat = YP_BADARGS; |
514 | return (&res); |
515 | } |
516 | |
517 | bp += strlen("unix."); |
518 | |
519 | if (*bp == '\0') { |
520 | res.stat = YP_BADARGS; |
521 | return (&res); |
522 | } |
523 | |
524 | if (!(cp = strsep(&bp, "@"))) { |
525 | res.stat = YP_BADARGS; |
526 | return (&res); |
527 | } |
528 | |
529 | if (strcmp(bp, arg->domain) != 0) { |
530 | res.stat = YP_BADARGS; |
531 | return (&res); |
532 | } |
533 | |
534 | ukey.ue_uid = strtonum(cp, 0, UID_MAX0xffffffffU, &estr); |
535 | if (estr) { |
536 | res.stat = YP_BADARGS; |
537 | return (&res); |
538 | } |
539 | |
540 | if ((ue = RB_FIND(user_uid_tree, &env->sc_user_uids,user_uid_tree_RB_FIND(&env->sc_user_uids, &ukey) |
541 | &ukey)user_uid_tree_RB_FIND(&env->sc_user_uids, &ukey)) == NULL((void *)0)) { |
542 | res.stat = YP_NOKEY; |
543 | return (&res); |
544 | } |
545 | |
546 | yp_make_val(&res, ue->ue_netid_line, 0); |
547 | return (&res); |
548 | |
549 | } else { |
550 | log_debug("unknown map %s", arg->map); |
551 | res.stat = YP_NOMAP; |
552 | return (&res); |
553 | } |
554 | } |
555 | |
556 | ypresp_key_val * |
557 | ypproc_first_2_svc(ypreq_nokey *arg, struct svc_req *req) |
558 | { |
559 | static struct ypresp_key_val res; |
560 | |
561 | if (yp_valid_domain(arg->domain, (struct ypresp_val *)&res) == -1) |
562 | return (&res); |
563 | |
564 | if (strcmp(arg->map, "passwd.byname") == 0 || |
565 | strcmp(arg->map, "master.passwd.byname") == 0) { |
566 | if (env->sc_user_lines == NULL((void *)0)) |
567 | return (NULL((void *)0)); |
568 | |
569 | yp_make_keyval(&res, env->sc_user_lines, env->sc_user_lines); |
570 | } else if (strcmp(arg->map, "group.byname") == 0) { |
571 | if (env->sc_group_lines == NULL((void *)0)) |
572 | return (NULL((void *)0)); |
573 | |
574 | yp_make_keyval(&res, env->sc_group_lines, env->sc_group_lines); |
575 | } else { |
576 | log_debug("unknown map %s", arg->map); |
577 | res.stat = YP_NOMAP; |
578 | } |
579 | |
580 | return (&res); |
581 | } |
582 | |
583 | ypresp_key_val * |
584 | ypproc_next_2_svc(ypreq_key *arg, struct svc_req *req) |
585 | { |
586 | struct userent ukey; |
587 | struct userent *ue; |
588 | struct groupent gkey; |
589 | struct groupent *ge; |
590 | char *line; |
591 | static struct ypresp_key_val res; |
592 | char key[YPMAXRECORD1024+1]; |
593 | |
594 | if (yp_valid_domain(arg->domain, (struct ypresp_val *)&res) == -1) |
595 | return (&res); |
596 | |
597 | if (strcmp(arg->map, "passwd.byname") == 0 || |
598 | strcmp(arg->map, "master.passwd.byname") == 0) { |
599 | memset(key, 0, sizeof(key)); |
600 | (void)strncpy(key, arg->key.keydat_val, |
601 | arg->key.keydat_len); |
602 | ukey.ue_line = key; |
603 | if ((ue = RB_NFIND(user_name_tree, env->sc_user_names,user_name_tree_RB_NFIND(env->sc_user_names, &ukey) |
604 | &ukey)user_name_tree_RB_NFIND(env->sc_user_names, &ukey)) == NULL((void *)0)) { |
605 | res.stat = YP_NOKEY; |
606 | return (&res); |
607 | } |
608 | line = ue->ue_line + (strlen(ue->ue_line) + 1); |
609 | line = line + (strlen(line) + 1); |
610 | yp_make_keyval(&res, line, line); |
611 | return (&res); |
612 | |
613 | |
614 | } else if (strcmp(arg->map, "group.byname") == 0) { |
615 | memset(key, 0, sizeof(key)); |
616 | (void)strncpy(key, arg->key.keydat_val, |
617 | arg->key.keydat_len); |
618 | |
619 | gkey.ge_line = key; |
620 | if ((ge = RB_NFIND(group_name_tree, env->sc_group_names,group_name_tree_RB_NFIND(env->sc_group_names, &gkey) |
621 | &gkey)group_name_tree_RB_NFIND(env->sc_group_names, &gkey)) == NULL((void *)0)) { |
622 | res.stat = YP_NOKEY; |
623 | return (&res); |
624 | } |
625 | |
626 | line = ge->ge_line + (strlen(ge->ge_line) + 1); |
627 | line = line + (strlen(line) + 1); |
628 | yp_make_keyval(&res, line, line); |
629 | return (&res); |
630 | } else { |
631 | log_debug("unknown map %s", arg->map); |
632 | res.stat = YP_NOMAP; |
633 | return (&res); |
634 | } |
635 | } |
636 | |
637 | ypresp_all * |
638 | ypproc_all_2_svc(ypreq_nokey *arg, struct svc_req *req) |
639 | { |
640 | static struct ypresp_all res; |
641 | |
642 | if (yp_valid_domain(arg->domain, (struct ypresp_val *)&res) == -1) |
643 | return (&res); |
644 | |
645 | svcerr_auth(req->rq_xprt, AUTH_FAILED); |
646 | return (NULL((void *)0)); |
647 | } |
648 | |
649 | ypresp_master * |
650 | ypproc_master_2_svc(ypreq_nokey *arg, struct svc_req *req) |
651 | { |
652 | static struct ypresp_master res; |
653 | static char master[YPMAXPEER64 + 1]; |
654 | |
655 | memset(&res, 0, sizeof(res)); |
656 | if (yp_valid_domain(arg->domain, (struct ypresp_val *)&res) == -1) |
657 | return (&res); |
658 | if (gethostname(master, sizeof(master)) == 0) { |
659 | res.peer = (peername)master; |
660 | res.stat = YP_TRUE; |
661 | } else |
662 | res.stat = YP_NOKEY; |
663 | return (&res); |
664 | } |
665 | |
666 | ypresp_maplist * |
667 | ypproc_maplist_2_svc(domainname *arg, struct svc_req *req) |
668 | { |
669 | size_t i; |
670 | static struct { |
671 | char *name; |
672 | int cond; |
673 | } mapnames[] = { |
674 | { "passwd.byname", YPMAP_PASSWD_BYNAME0x00000001 }, |
675 | { "passwd.byuid", YPMAP_PASSWD_BYUID0x00000002 }, |
676 | { "master.passwd.byname", YPMAP_MASTER_PASSWD_BYNAME0x00000004 }, |
677 | { "master.passwd.byuid", YPMAP_MASTER_PASSWD_BYUID0x00000008 }, |
678 | { "group.byname", YPMAP_GROUP_BYNAME0x00000010 }, |
679 | { "group.bygid", YPMAP_GROUP_BYGID0x00000020 }, |
680 | { "netid.byname", YPMAP_NETID_BYNAME0x00000040 }, |
681 | }; |
682 | static ypresp_maplist res; |
683 | static struct ypmaplist maps[sizeof(mapnames) / sizeof(mapnames[0])]; |
684 | |
685 | if (yp_valid_domain(*arg, (struct ypresp_val *)&res) == -1) |
686 | return (&res); |
687 | |
688 | res.stat = YP_TRUE; |
689 | res.maps = NULL((void *)0); |
690 | for (i = 0; i < sizeof(mapnames) / sizeof(mapnames[0]); i++) { |
691 | if (!(env->sc_flags & mapnames[i].cond)) |
692 | continue; |
693 | maps[i].map = mapnames[i].name; |
694 | maps[i].next = res.maps; |
695 | res.maps = &maps[i]; |
696 | } |
697 | |
698 | return (&res); |
699 | } |
700 | |
701 | void |
702 | yp_make_val(struct ypresp_val *res, char *line, int replacecolon) |
703 | { |
704 | static char buf[LINE_WIDTH1024]; |
705 | |
706 | memset(buf, 0, sizeof(buf)); |
707 | |
708 | if (replacecolon) |
709 | line[strlen(line)] = ':'; |
710 | (void)strlcpy(buf, line, sizeof(buf)); |
711 | if (replacecolon) |
712 | line[strcspn(line, ":")] = '\0'; |
713 | log_debug("sending out %s", buf); |
714 | |
715 | res->stat = YP_TRUE; |
716 | res->val.valdat_len = strlen(buf); |
717 | res->val.valdat_val = buf; |
718 | } |
719 | |
720 | void |
721 | yp_make_keyval(struct ypresp_key_val *res, char *key, char *line) |
722 | { |
723 | static char keybuf[YPMAXRECORD1024+1]; |
724 | static char buf[LINE_WIDTH1024]; |
725 | |
726 | memset(keybuf, 0, sizeof(keybuf)); |
727 | memset(buf, 0, sizeof(buf)); |
728 | |
729 | (void)strlcpy(keybuf, key, sizeof(keybuf)); |
730 | res->key.keydat_len = strlen(keybuf); |
731 | res->key.keydat_val = keybuf; |
732 | |
733 | if (*line == '\0') { |
734 | res->stat = YP_NOMORE; |
735 | return; |
736 | } |
737 | res->stat = YP_TRUE; |
738 | line[strlen(line)] = ':'; |
739 | (void)strlcpy(buf, line, sizeof(buf)); |
740 | line[strcspn(line, ":")] = '\0'; |
741 | log_debug("sending out %s => %s", keybuf, buf); |
742 | |
743 | res->val.valdat_len = strlen(buf); |
744 | res->val.valdat_val = buf; |
745 | } |