2 * Copyright (c) 1995, 1996
3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Bill Paul.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
36 #include <sys/param.h>
37 #include <sys/fcntl.h>
38 #include <sys/socket.h>
42 #include <arpa/inet.h>
43 #include <netinet/in.h>
61 #include <rpcsvc/yp.h>
63 #include <rpcsvc/ypclnt.h>
64 #include "yppasswdd_extern.h"
66 #include "yppasswd_private.h"
67 #include "ypxfr_extern.h"
68 #include "yp_extern.h"
70 static struct passwd yp_password;
73 xlate_passwd(struct x_master_passwd *xpwd, struct passwd *pwd)
75 pwd->pw_name = xpwd->pw_name;
76 pwd->pw_passwd = xpwd->pw_passwd;
77 pwd->pw_uid = xpwd->pw_uid;
78 pwd->pw_gid = xpwd->pw_gid;
79 pwd->pw_change = xpwd->pw_change;
80 pwd->pw_class = xpwd->pw_class;
81 pwd->pw_gecos = xpwd->pw_gecos;
82 pwd->pw_dir = xpwd->pw_dir;
83 pwd->pw_shell = xpwd->pw_shell;
84 pwd->pw_expire = xpwd->pw_expire;
85 pwd->pw_fields = xpwd->pw_fields;
89 copy_yp_pass(char *p, int x, int m)
94 yp_password.pw_fields = 0;
96 buf = realloc(buf, m + 10);
99 /* Turn all colons into NULLs */
100 while (strchr(s, ':')) {
101 s = (strchr(s, ':') + 1);
106 #define EXPAND(e) do { \
108 while ((*t++ = *p++)); \
110 EXPAND(yp_password.pw_name);
111 yp_password.pw_fields |= _PWF_NAME;
112 EXPAND(yp_password.pw_passwd);
113 yp_password.pw_fields |= _PWF_PASSWD;
114 yp_password.pw_uid = atoi(p);
115 p += (strlen(p) + 1);
116 yp_password.pw_fields |= _PWF_UID;
117 yp_password.pw_gid = atoi(p);
118 p += (strlen(p) + 1);
119 yp_password.pw_fields |= _PWF_GID;
121 EXPAND(yp_password.pw_class);
122 yp_password.pw_fields |= _PWF_CLASS;
123 yp_password.pw_change = atol(p);
124 p += (strlen(p) + 1);
125 yp_password.pw_fields |= _PWF_CHANGE;
126 yp_password.pw_expire = atol(p);
127 p += (strlen(p) + 1);
128 yp_password.pw_fields |= _PWF_EXPIRE;
130 EXPAND(yp_password.pw_gecos);
131 yp_password.pw_fields |= _PWF_GECOS;
132 EXPAND(yp_password.pw_dir);
133 yp_password.pw_fields |= _PWF_DIR;
134 EXPAND(yp_password.pw_shell);
135 yp_password.pw_fields |= _PWF_SHELL;
141 validchars(char *arg)
145 for (i = 0; i < strlen(arg); i++) {
146 if (iscntrl(arg[i])) {
147 yp_error("string contains a control character");
151 yp_error("string contains a colon");
154 /* Be evil: truncate strings with \n in them silently. */
155 if (arg[i] == '\n') {
164 validate_master(struct passwd *opw __unused, struct x_master_passwd *npw)
167 if (npw->pw_name[0] == '+' || npw->pw_name[0] == '-') {
168 yp_error("client tried to modify an NIS entry");
172 if (validchars(npw->pw_shell)) {
173 yp_error("specified shell contains invalid characters");
177 if (validchars(npw->pw_gecos)) {
178 yp_error("specified gecos field contains invalid characters");
182 if (validchars(npw->pw_passwd)) {
183 yp_error("specified password contains invalid characters");
190 validate(struct passwd *opw, struct x_passwd *npw)
193 if (npw->pw_name[0] == '+' || npw->pw_name[0] == '-') {
194 yp_error("client tried to modify an NIS entry");
198 if ((uid_t)npw->pw_uid != opw->pw_uid) {
199 yp_error("UID mismatch: client says user %s has UID %d",
200 npw->pw_name, npw->pw_uid);
201 yp_error("database says user %s has UID %d", opw->pw_name,
206 if ((gid_t)npw->pw_gid != opw->pw_gid) {
207 yp_error("GID mismatch: client says user %s has GID %d",
208 npw->pw_name, npw->pw_gid);
209 yp_error("database says user %s has GID %d", opw->pw_name,
215 * Don't allow the user to shoot himself in the foot,
218 if (!ok_shell(npw->pw_shell)) {
219 yp_error("%s is not a valid shell", npw->pw_shell);
223 if (validchars(npw->pw_shell)) {
224 yp_error("specified shell contains invalid characters");
228 if (validchars(npw->pw_gecos)) {
229 yp_error("specified gecos field contains invalid characters");
233 if (validchars(npw->pw_passwd)) {
234 yp_error("specified password contains invalid characters");
242 * In order to have one rpc.yppasswdd support multiple domains,
243 * we have to cheat: we search each directory under /var/yp
244 * and try to match the user in each master.passwd.byname
245 * map that we find. If the user matches (username, uid and gid
246 * all agree), then we use that domain. If we match the user in
247 * more than one database, we must abort.
250 find_domain(struct x_passwd *pw)
255 char yp_mapdir[MAXPATHLEN + 2];
256 static char domain[YPMAXDOMAIN];
261 yp_error("performing multidomain lookup");
263 if ((dird = opendir(yp_dir)) == NULL) {
264 yp_error("opendir(%s) failed: %s", yp_dir, strerror(errno));
268 while ((dirp = readdir(dird)) != NULL) {
269 snprintf(yp_mapdir, sizeof yp_mapdir, "%s/%s",
270 yp_dir, dirp->d_name);
271 if (stat(yp_mapdir, &statbuf) < 0) {
272 yp_error("stat(%s) failed: %s", yp_mapdir,
277 if (S_ISDIR(statbuf.st_mode)) {
278 tmp = (char *)dirp->d_name;
279 key.data = pw->pw_name;
280 key.size = strlen(pw->pw_name);
282 if (yp_get_record(tmp,"master.passwd.byname",
283 &key, &data, 0) != YP_TRUE) {
286 *((char *)data.data + data.size) = '\0';
287 copy_yp_pass(data.data, 1, data.size);
288 if (yp_password.pw_uid == (uid_t)pw->pw_uid &&
289 yp_password.pw_gid == (gid_t)pw->pw_gid) {
291 snprintf(domain, YPMAXDOMAIN, "%s", tmp);
298 yp_error("found same user in two different domains");
301 return((char *)&domain);
304 static const char *maps[] = {
305 "master.passwd.byname",
306 "master.passwd.byuid",
311 static const char *formats[] = {
312 "%s:%s:%d:%d:%s:%ld:%ld:%s:%s:%s",
313 "%s:%s:%d:%d:%s:%ld:%ld:%s:%s:%s",
314 "%s:%s:%d:%d:%s:%s:%s",
315 "%s:%s:%d:%d:%s:%s:%s"
319 update_inplace(struct passwd *pw, char *domain)
322 DBT key = { NULL, 0 };
323 DBT data = { NULL, 0 };
324 char pwbuf[YPMAXRECORD];
328 static char yp_last[] = "YP_LAST_MODIFIED";
329 char yplastbuf[YPMAXRECORD];
331 snprintf(yplastbuf, sizeof yplastbuf, "%llu",
332 (unsigned long long)time(NULL));
334 for (i = 0; i < 4; i++) {
337 snprintf(keybuf, sizeof keybuf,
338 "%llu", (unsigned long long)pw->pw_uid);
340 key.size = strlen(keybuf);
342 key.data = pw->pw_name;
343 key.size = strlen(pw->pw_name);
347 * XXX The passwd.byname and passwd.byuid maps come in
348 * two flavors: secure and insecure. The secure version
349 * has a '*' in the password field whereas the insecure one
350 * has a real crypted password. The maps will be insecure
351 * if they were built with 'unsecure = TRUE' enabled in
352 * /var/yp/Makefile, but we'd have no way of knowing if
353 * this has been done unless we were to try parsing the
354 * Makefile, which is a disgusting thought. Instead, we
355 * read the records from the maps, skip to the first ':'
356 * in them, and then look at the character immediately
357 * following it. If it's an '*' then the map is 'secure'
358 * and we must not insert a real password into the pw_passwd
359 * field. If it's not an '*', then we put the real crypted
362 if (yp_get_record(domain,maps[i],&key,&data,1) != YP_TRUE) {
363 yp_error("couldn't read %s/%s: %s", domain,
364 maps[i], strerror(errno));
368 if ((ptr = strchr(data.data, ':')) == NULL) {
369 yp_error("no colon in passwd record?!");
374 * XXX Supposing we have more than one user with the same
375 * UID? (Or more than one user with the same name?) We could
376 * end up modifying the wrong record if were not careful.
379 if (strncmp(data.data, pw->pw_name,
380 strlen(pw->pw_name))) {
381 yp_error("warning: found entry for UID %d \
382 in map %s@%s with wrong name (%.*s)", pw->pw_uid, maps[i], domain,
383 (int)(ptr - (char *)data.data),
385 yp_error("there may be more than one user \
386 with the same UID - continuing");
391 * We're really being ultra-paranoid here.
392 * This is generally a 'can't happen' condition.
394 snprintf(pwbuf, sizeof pwbuf, ":%d:%d:", pw->pw_uid,
396 if (!strstr(data.data, pwbuf)) {
397 yp_error("warning: found entry for user %s \
398 in map %s@%s with wrong UID", pw->pw_name, maps[i], domain);
399 yp_error("there may be more than one user \
400 with the same name - continuing");
406 snprintf(pwbuf, sizeof pwbuf, formats[i],
407 pw->pw_name, pw->pw_passwd, pw->pw_uid,
408 pw->pw_gid, pw->pw_class, pw->pw_change,
409 pw->pw_expire, pw->pw_gecos, pw->pw_dir,
412 snprintf(pwbuf, sizeof pwbuf, formats[i],
413 pw->pw_name, *(ptr+1) == '*' ? "*" : pw->pw_passwd,
414 pw->pw_uid, pw->pw_gid, pw->pw_gecos, pw->pw_dir,
418 #define FLAGS O_RDWR|O_CREAT
420 if ((dbp = yp_open_db_rw(domain, maps[i], FLAGS)) == NULL) {
421 yp_error("couldn't open %s/%s r/w: %s",domain,
422 maps[i],strerror(errno));
427 data.size = strlen(pwbuf);
429 if (yp_put_record(dbp, &key, &data, 1) != YP_TRUE) {
430 yp_error("failed to update record in %s/%s", domain,
432 (void)(dbp->close)(dbp);
437 key.size = strlen(yp_last);
438 data.data = (char *)&yplastbuf;
439 data.size = strlen(yplastbuf);
441 if (yp_put_record(dbp, &key, &data, 1) != YP_TRUE) {
442 yp_error("failed to update timestamp in %s/%s", domain,
444 (void)(dbp->close)(dbp);
448 (void)(dbp->close)(dbp);
455 yppasswdproc_update_1_svc(yppasswd *argp, struct svc_req *rqstp)
458 struct sockaddr_in *rqhost;
463 int passwd_changed = 0;
464 int shell_changed = 0;
465 int gecos_changed = 0;
467 char *oldshell = NULL;
468 char *oldgecos = NULL;
470 char passfile_buf[MAXPATHLEN + 2];
471 char passfile_hold_buf[MAXPATHLEN + 2];
472 char *domain = yppasswd_domain;
473 static struct sockaddr_in clntaddr;
474 static struct timeval t_saved, t_test;
477 * Normal user updates always use the 'default' master.passwd file.
480 passfile = passfile_default;
483 rqhost = svc_getcaller(rqstp->rq_xprt);
485 gettimeofday(&t_test, NULL);
486 if (!bcmp(rqhost, &clntaddr, sizeof *rqhost) &&
487 t_test.tv_sec > t_saved.tv_sec &&
488 t_test.tv_sec - t_saved.tv_sec < 300) {
490 bzero(&clntaddr, sizeof clntaddr);
491 bzero(&t_saved, sizeof t_saved);
495 bcopy(rqhost, &clntaddr, sizeof clntaddr);
496 gettimeofday(&t_saved, NULL);
498 if (yp_access(resvport ? "master.passwd.byname" : NULL, rqstp)) {
499 yp_error("rejected update request from unauthorized host");
500 svcerr_auth(rqstp->rq_xprt, AUTH_BADCRED);
505 * Step one: find the user. (It's kinda pointless to
506 * proceed if the user doesn't exist.) We look for the
507 * user in the master.passwd.byname database, _NOT_ by
508 * using getpwent() and friends! We can't use getpwent()
509 * since the NIS master server is not guaranteed to be
510 * configured as an NIS client.
514 if ((domain = find_domain(&argp->newpw)) == NULL) {
515 yp_error("multidomain lookup failed - aborting update");
518 yp_error("updating user %s in domain %s",
519 argp->newpw.pw_name, domain);
522 key.data = argp->newpw.pw_name;
523 key.size = strlen(argp->newpw.pw_name);
525 if ((rval = yp_get_record(domain,"master.passwd.byname",
526 &key, &data, 0)) != YP_TRUE) {
527 if (rval == YP_NOKEY) {
528 yp_error("user %s not found in passwd database",
529 argp->newpw.pw_name);
531 yp_error("database access error: %s",
537 /* Nul terminate, please. */
538 *((char *)data.data + data.size) = '\0';
540 copy_yp_pass(data.data, 1, data.size);
542 /* Step 2: check that the supplied oldpass is valid. */
544 cryptpw = crypt(argp->oldpass, yp_password.pw_passwd);
545 if (cryptpw == NULL || strcmp(cryptpw, yp_password.pw_passwd)) {
546 yp_error("rejected change attempt -- bad password");
547 yp_error("client address: %s username: %s",
548 inet_ntoa(rqhost->sin_addr),
549 argp->newpw.pw_name);
553 /* Step 3: validate the arguments passed to us by the client. */
555 if (validate(&yp_password, &argp->newpw)) {
556 yp_error("rejecting change attempt: bad arguments");
557 yp_error("client address: %s username: %s",
558 inet_ntoa(rqhost->sin_addr),
559 argp->newpw.pw_name);
560 svcerr_decode(rqstp->rq_xprt);
564 /* Step 4: update the user's passwd structure. */
566 if (!no_chsh && strcmp(argp->newpw.pw_shell, yp_password.pw_shell)) {
567 oldshell = yp_password.pw_shell;
568 yp_password.pw_shell = argp->newpw.pw_shell;
573 if (!no_chfn && strcmp(argp->newpw.pw_gecos, yp_password.pw_gecos)) {
574 oldgecos = yp_password.pw_gecos;
575 yp_password.pw_gecos = argp->newpw.pw_gecos;
579 if (strcmp(argp->newpw.pw_passwd, yp_password.pw_passwd)) {
580 yp_password.pw_passwd = argp->newpw.pw_passwd;
581 yp_password.pw_change = 0;
586 * If the caller specified a domain other than our 'default'
587 * domain, change the path to master.passwd accordingly.
590 if (strcmp(domain, yppasswd_domain)) {
591 snprintf(passfile_buf, sizeof(passfile_buf),
592 "%s/%s/master.passwd", yp_dir, domain);
593 passfile = (char *)&passfile_buf;
597 * Create a filename to hold the original master.passwd
598 * so if our call to yppwupdate fails we can roll back
600 snprintf(passfile_hold_buf, sizeof(passfile_hold_buf),
601 "%s.hold", passfile);
602 passfile_hold = (char *)&passfile_hold_buf;
605 /* Step 5: make a new password file with the updated info. */
607 if (pw_init(dirname(passfile), passfile)) {
608 yp_error("pw_init() failed");
611 if ((pfd = pw_lock()) == -1) {
613 yp_error("pw_lock() failed");
616 if ((tfd = pw_tmp(-1)) == -1) {
618 yp_error("pw_tmp() failed");
621 if (pw_copy(pfd, tfd, &yp_password, NULL) == -1) {
623 yp_error("pw_copy() failed");
626 if (rename(passfile, passfile_hold) == -1) {
628 yp_error("rename of %s to %s failed", passfile,
633 if (strcmp(passfile, _PATH_MASTERPASSWD) == 0) {
635 * NIS server is exporting the system's master.passwd.
636 * Call pw_mkdb to rebuild passwd and the .db files
638 if (pw_mkdb(yp_password.pw_name) == -1) {
640 yp_error("pw_mkdb() failed");
641 rename(passfile_hold, passfile);
646 * NIS server is exporting a private master.passwd.
647 * Rename tempfile into final location
649 if (rename(pw_tempname(), passfile) == -1) {
651 yp_error("rename of %s to %s failed",
652 pw_tempname(), passfile);
653 rename(passfile_hold, passfile);
661 if ((rval = update_inplace(&yp_password, domain))) {
662 yp_error("inplace update failed -- rebuilding maps");
666 switch ((pid = fork())) {
668 if (inplace && !rval) {
669 execlp(MAP_UPDATE_PATH, MAP_UPDATE, passfile,
670 yppasswd_domain, "pushpw", (char *)NULL);
672 execlp(MAP_UPDATE_PATH, MAP_UPDATE, passfile,
673 yppasswd_domain, (char *)NULL);
675 yp_error("couldn't exec map update process: %s",
678 rename(passfile_hold, passfile);
682 yp_error("fork() failed: %s", strerror(errno));
684 rename(passfile_hold, passfile);
688 unlink(passfile_hold);
693 yp_error("update completed for user %s (uid %d) in %s:",
694 argp->newpw.pw_name, argp->newpw.pw_uid, passfile);
697 yp_error("password changed");
700 yp_error("gecos changed ('%s' -> '%s')",
701 oldgecos, argp->newpw.pw_gecos);
704 yp_error("shell changed ('%s' -> '%s')",
705 oldshell, argp->newpw.pw_shell);
713 * Note that this function performs a little less sanity checking
714 * than the last one. Since only the superuser is allowed to use it,
715 * it is assumed that the caller knows what he's doing.
718 yppasswdproc_update_master_1_svc(master_yppasswd *argp,
719 struct svc_req *rqstp)
728 char passfile_buf[MAXPATHLEN + 2];
729 char passfile_hold_buf[MAXPATHLEN + 2];
730 struct sockaddr_in *rqhost;
732 struct passwd newpasswd;
735 transp = rqstp->rq_xprt;
738 * NO AF_INET CONNETCIONS ALLOWED!
740 rqhost = svc_getcaller(transp);
741 if (rqhost->sin_family != AF_UNIX) {
742 yp_error("Alert! %s/%d attempted to use superuser-only \
743 procedure!\n", inet_ntoa(rqhost->sin_addr), rqhost->sin_port);
744 svcerr_auth(transp, AUTH_BADCRED);
748 if (rqstp->rq_cred.oa_flavor != AUTH_SYS) {
749 yp_error("caller didn't send proper credentials");
750 svcerr_auth(transp, AUTH_BADCRED);
754 if (__rpc_get_local_uid(transp, &uid) < 0) {
755 yp_error("caller didn't send proper credentials");
756 svcerr_auth(transp, AUTH_BADCRED);
761 yp_error("caller euid is %d, expecting 0 -- rejecting request",
763 svcerr_auth(rqstp->rq_xprt, AUTH_BADCRED);
767 passfile = passfile_default;
769 key.data = argp->newpw.pw_name;
770 key.size = strlen(argp->newpw.pw_name);
773 * The superuser may add entries to the passwd maps if
774 * rpc.yppasswdd is started with the -a flag. Paranoia
775 * prevents me from allowing additions by default.
777 if ((rval = yp_get_record(argp->domain, "master.passwd.byname",
778 &key, &data, 0)) != YP_TRUE) {
779 if (rval == YP_NOKEY) {
780 yp_error("user %s not found in passwd database",
781 argp->newpw.pw_name);
783 yp_error("notice: adding user %s to \
784 master.passwd database for domain %s", argp->newpw.pw_name, argp->domain);
786 yp_error("restart rpc.yppasswdd with the -a flag to \
787 allow additions to be made to the password database");
789 yp_error("database access error: %s",
792 if (!allow_additions)
796 /* Nul terminate, please. */
797 *((char *)data.data + data.size) = '\0';
799 copy_yp_pass(data.data, 1, data.size);
803 * Perform a small bit of sanity checking.
805 if (validate_master(rval == YP_TRUE ? &yp_password:NULL,&argp->newpw)){
806 yp_error("rejecting update attempt for %s: bad arguments",
807 argp->newpw.pw_name);
812 * If the caller specified a domain other than our 'default'
813 * domain, change the path to master.passwd accordingly.
816 if (strcmp(argp->domain, yppasswd_domain)) {
817 snprintf(passfile_buf, sizeof(passfile_buf),
818 "%s/%s/master.passwd", yp_dir, argp->domain);
819 passfile = (char *)&passfile_buf;
823 * Create a filename to hold the original master.passwd
824 * so if our call to yppwupdate fails we can roll back
826 snprintf(passfile_hold_buf, sizeof(passfile_hold_buf),
827 "%s.hold", passfile);
828 passfile_hold = (char *)&passfile_hold_buf;
830 if (pw_init(dirname(passfile), passfile)) {
831 yp_error("pw_init() failed");
834 if ((pfd = pw_lock()) == -1) {
836 yp_error("pw_lock() failed");
839 if ((tfd = pw_tmp(-1)) == -1) {
841 yp_error("pw_tmp() failed");
844 xlate_passwd(&argp->newpw, &newpasswd);
845 if (pw_copy(pfd, tfd, &newpasswd, NULL) == -1) {
847 yp_error("pw_copy() failed");
850 if (rename(passfile, passfile_hold) == -1) {
852 yp_error("rename of %s to %s failed", passfile,
856 if (strcmp(passfile, _PATH_MASTERPASSWD) == 0) {
858 * NIS server is exporting the system's master.passwd.
859 * Call pw_mkdb to rebuild passwd and the .db files
861 if (pw_mkdb(argp->newpw.pw_name) == -1) {
863 yp_error("pw_mkdb() failed");
864 rename(passfile_hold, passfile);
869 * NIS server is exporting a private master.passwd.
870 * Rename tempfile into final location
872 if (rename(pw_tempname(), passfile) == -1) {
874 yp_error("rename of %s to %s failed",
875 pw_tempname(), passfile);
876 rename(passfile_hold, passfile);
883 xlate_passwd(&argp->newpw, &newpasswd);
884 if ((rval = update_inplace(&newpasswd, argp->domain))) {
885 yp_error("inplace update failed -- rebuilding maps");
889 switch ((pid = fork())) {
891 if (inplace && !rval) {
892 execlp(MAP_UPDATE_PATH, MAP_UPDATE, passfile,
893 argp->domain, "pushpw", (char *)NULL);
895 execlp(MAP_UPDATE_PATH, MAP_UPDATE, passfile,
896 argp->domain, (char *)NULL);
898 yp_error("couldn't exec map update process: %s",
901 rename(passfile_hold, passfile);
905 yp_error("fork() failed: %s", strerror(errno));
907 rename(passfile_hold, passfile);
911 unlink(passfile_hold);
915 yp_error("performed update of user %s (uid %d) domain %s",