2 * $Id: auth.c,v 1.57 2009-02-25 16:14:08 franklahm Exp $
4 * Copyright (c) 1990,1993 Regents of The University of Michigan.
5 * All Rights Reserved. See COPYRIGHT.
10 #endif /* HAVE_CONFIG_H */
17 #endif /* HAVE_UNISTD_H */
18 #include <sys/types.h>
19 #include <sys/param.h>
21 #include <netatalk/endian.h>
22 #include <atalk/afp.h>
23 #include <atalk/compat.h>
24 #include <atalk/util.h>
31 #include <atalk/logger.h>
32 #include <atalk/server_ipc.h>
33 #include <atalk/uuid.h>
37 #include <arpa/inet.h>
41 extern void afp_get_cmdline( int *ac, char ***av );
50 #ifdef HAVE_NFSv4_ACLS
58 static int afp_version_index;
62 #if defined( sun ) && !defined( __svr4__ ) || defined( ultrix )
65 #define GROUPS_SIZE sizeof(int)
67 #else /* sun __svr4__ ultrix */
70 #define GROUPS_SIZE sizeof(gid_t)
71 #endif /* sun ultrix */
76 * These numbers are scattered throughout the code.
78 static struct afp_versions afp_versions[] = {
79 { "AFPVersion 1.1", 11 },
80 { "AFPVersion 2.0", 20 },
81 { "AFPVersion 2.1", 21 },
90 static struct uam_mod uam_modules = {NULL, NULL, &uam_modules, &uam_modules};
91 static struct uam_obj uam_login = {"", "", 0, {{NULL, NULL, NULL, NULL }}, &uam_login,
93 static struct uam_obj uam_changepw = {"", "", 0, {{NULL, NULL, NULL, NULL}}, &uam_changepw,
96 static struct uam_obj *afp_uam = NULL;
99 void status_versions( data )
106 memcpy(&status, start + AFPSTATUS_VERSOFF, sizeof(status));
107 num = sizeof( afp_versions ) / sizeof( afp_versions[ 0 ] );
108 data += ntohs( status );
110 for ( i = 0; i < num; i++ ) {
111 len = strlen( afp_versions[ i ].av_name );
113 memcpy( data, afp_versions[ i ].av_name , len );
116 status = htons( data - start );
117 memcpy(start + AFPSTATUS_UAMSOFF, &status, sizeof(status));
120 void status_uams(char *data, const char *authlist)
124 struct uam_obj *uams;
127 memcpy(&status, start + AFPSTATUS_UAMSOFF, sizeof(status));
129 while ((uams = uams->uam_prev) != &uam_login) {
130 if (strstr(authlist, uams->uam_path))
134 data += ntohs( status );
136 while ((uams = uams->uam_prev) != &uam_login) {
137 if (strstr(authlist, uams->uam_path)) {
138 LOG(log_info, logtype_afpd, "uam: \"%s\" available", uams->uam_name);
139 len = strlen( uams->uam_name);
141 memcpy( data, uams->uam_name, len );
147 status = htons(data - start);
148 memcpy(start + AFPSTATUS_ICONOFF, &status, sizeof(status));
151 /* handle errors by closing the connection. this is only needed
152 * by the afp_* functions. */
153 static int send_reply(const AFPObj *obj, const int err)
155 if ((err == AFP_OK) || (err == AFPERR_AUTHCONT))
158 obj->reply(obj->handle, err);
164 static int afp_errpwdexpired(obj, ibuf, ibuflen, rbuf, rbuflen )
166 char *ibuf _U_, *rbuf _U_;
167 int ibuflen _U_, *rbuflen;
170 return AFPERR_PWDEXPR;
174 static int set_auth_switch(int expired)
180 * BF: expired password handling
181 * to allow the user to change his/her password we have to allow login
182 * but every following call except for FPChangePassword will be thrown
183 * away with an AFPERR_PWDEXPR error. (thanks to Leland Wallace from Apple
184 * for clarifying this)
187 for (i=0; i<=0xff; i++) {
188 uam_afpserver_action(i, UAM_AFPSERVER_PREAUTH, afp_errpwdexpired, NULL);
190 uam_afpserver_action(AFP_LOGOUT, UAM_AFPSERVER_PREAUTH, afp_logout, NULL);
191 uam_afpserver_action(AFP_CHANGEPW, UAM_AFPSERVER_PREAUTH, afp_changepw, NULL);
194 afp_switch = postauth_switch;
195 switch (afp_version) {
197 #ifdef HAVE_NFSv4_ACLS
198 uam_afpserver_action(73, UAM_AFPSERVER_POSTAUTH, afp_getacl, NULL);
199 uam_afpserver_action(74, UAM_AFPSERVER_POSTAUTH, afp_setacl, NULL);
200 uam_afpserver_action(75, UAM_AFPSERVER_POSTAUTH, afp_access, NULL);
202 #ifdef HAVE_EXT_ATTRS
203 uam_afpserver_action(69, UAM_AFPSERVER_POSTAUTH, afp_getextattr, NULL);
204 uam_afpserver_action(70, UAM_AFPSERVER_POSTAUTH, afp_setextattr, NULL);
205 uam_afpserver_action(71, UAM_AFPSERVER_POSTAUTH, afp_remextattr, NULL);
206 uam_afpserver_action(72, UAM_AFPSERVER_POSTAUTH, afp_listextattr, NULL);
209 uam_afpserver_action(AFP_ENUMERATE_EXT2, UAM_AFPSERVER_POSTAUTH, afp_enumerate_ext2, NULL);
210 uam_afpserver_action(76, UAM_AFPSERVER_POSTAUTH, afp_null, NULL);
211 uam_afpserver_action(78, UAM_AFPSERVER_POSTAUTH, afp_syncdir, NULL);
212 uam_afpserver_action(79, UAM_AFPSERVER_POSTAUTH, afp_syncfork, NULL);
214 uam_afpserver_action(AFP_ENUMERATE_EXT, UAM_AFPSERVER_POSTAUTH, afp_enumerate_ext, NULL);
215 uam_afpserver_action(AFP_BYTELOCK_EXT, UAM_AFPSERVER_POSTAUTH, afp_bytelock_ext, NULL);
216 /* catsearch_ext uses the same packet as catsearch FIXME double check this, it wasn't true for enue
218 uam_afpserver_action(AFP_CATSEARCH_EXT, UAM_AFPSERVER_POSTAUTH, afp_catsearch_ext, NULL);
219 uam_afpserver_action(AFP_GETSESSTOKEN, UAM_AFPSERVER_POSTAUTH, afp_getsession, NULL);
220 uam_afpserver_action(AFP_READ_EXT, UAM_AFPSERVER_POSTAUTH, afp_read_ext, NULL);
221 uam_afpserver_action(AFP_WRITE_EXT, UAM_AFPSERVER_POSTAUTH, afp_write_ext, NULL);
222 uam_afpserver_action(AFP_DISCTOLDSESS, UAM_AFPSERVER_POSTAUTH, afp_disconnect, NULL);
226 * If first connection to a server is done in classic AFP2.2 version is used
227 * but OSX uses AFP3.x FPzzz command !
229 uam_afpserver_action(AFP_ZZZ, UAM_AFPSERVER_POSTAUTH, afp_zzz, NULL);
237 static int login(AFPObj *obj, struct passwd *pwd, void (*logout)(void), int expired)
241 #endif /* ADMIN_GRP */
243 /* UAM had syslog control; afpd needs to reassert itself */
244 set_processname("afpd");
245 syslog_setup(log_debug, logtype_default, logoption_ndelay|logoption_pid, logfacility_daemon);
247 if ( pwd->pw_uid == 0 ) { /* don't allow root login */
248 LOG(log_error, logtype_afpd, "login: root login denied!" );
249 return AFPERR_NOTAUTH;
252 LOG(log_info, logtype_afpd, "login %s (uid %d, gid %d) %s", pwd->pw_name,
253 pwd->pw_uid, pwd->pw_gid , afp_versions[afp_version_index].av_name);
256 if (obj->proto == AFPPROTO_ASP) {
257 ASP asp = obj->handle;
258 int addr_net = ntohs( asp->asp_sat.sat_addr.s_net );
259 int addr_node = asp->asp_sat.sat_addr.s_node;
261 if (obj->options.authprintdir) {
262 if(addr_net && addr_node) { /* Do we have a valid Appletalk address? */
265 int mypid = getpid();
266 struct stat stat_buf;
268 sprintf(nodename, "%s/net%d.%dnode%d", obj->options.authprintdir,
269 addr_net / 256, addr_net % 256, addr_node);
270 LOG(log_info, logtype_afpd, "registering %s (uid %d) on %u.%u as %s",
271 pwd->pw_name, pwd->pw_uid, addr_net, addr_node, nodename);
273 if (stat(nodename, &stat_buf) == 0) { /* file exists */
274 if (S_ISREG(stat_buf.st_mode)) { /* normal file */
276 fp = fopen(nodename, "w");
277 fprintf(fp, "%s:%d\n", pwd->pw_name, mypid);
279 chown( nodename, pwd->pw_uid, -1 );
280 } else { /* somebody is messing with us */
281 LOG(log_error, logtype_afpd, "print authfile %s is not a normal file, it will not be modified", nodename );
283 } else { /* file 'nodename' does not exist */
284 fp = fopen(nodename, "w");
285 fprintf(fp, "%s:%d\n", pwd->pw_name, mypid);
287 chown( nodename, pwd->pw_uid, -1 );
289 } /* if (addr_net && addr_node ) */
290 } /* if (options->authprintdir) */
291 } /* if (obj->proto == AFPPROTO_ASP) */
294 if (initgroups( pwd->pw_name, pwd->pw_gid ) < 0) {
296 LOG(log_info, logtype_afpd, "running with uid %d", geteuid());
297 #else /* RUN_AS_USER */
298 LOG(log_error, logtype_afpd, "login: %s", strerror(errno));
299 return AFPERR_BADUAM;
300 #endif /* RUN_AS_USER */
304 /* Basically if the user is in the admin group, we stay root */
306 if (( ngroups = getgroups( 0, NULL )) < 0 ) {
307 LOG(log_error, logtype_afpd, "login: %s getgroups: %s", pwd->pw_name, strerror(errno) );
308 return AFPERR_BADUAM;
311 if ( NULL == (groups = calloc(ngroups, GROUPS_SIZE)) ) {
312 LOG(log_error, logtype_afpd, "login: %s calloc: %d", ngroups);
313 return AFPERR_BADUAM;
316 if (( ngroups = getgroups( ngroups, groups )) < 0 ) {
317 LOG(log_error, logtype_afpd, "login: %s getgroups: %s", pwd->pw_name, strerror(errno) );
318 return AFPERR_BADUAM;
323 LOG(log_info, logtype_afpd, "obj->options.admingid == %d", obj->options.admingid);
325 if (obj->options.admingid != 0) {
327 for (i = 0; i < ngroups; i++) {
328 if (groups[i] == obj->options.admingid) admin = 1;
333 LOG(log_info, logtype_afpd, "admin login -- %s", pwd->pw_name );
339 struct DSI *dsi = obj->handle;
346 afp_get_cmdline( &argc, &argv );
348 hp = gethostbyaddr( (char *) &dsi->client.sin_addr,
349 sizeof( struct in_addr ),
350 dsi->client.sin_family );
353 clientname = hp->h_name;
355 clientname = inet_ntoa( dsi->client.sin_addr );
357 sprintf( hostname, "%s@%s", pwd->pw_name, clientname );
359 if( sia_become_user( NULL, argc, argv, hostname, pwd->pw_name,
360 NULL, FALSE, NULL, NULL,
361 SIA_BEU_REALLOGIN ) != SIASUCCESS )
362 return AFPERR_BADUAM;
364 LOG(log_info, logtype_afpd, "session from %s (%s)", hostname,
365 inet_ntoa( dsi->client.sin_addr ) );
367 if (setegid( pwd->pw_gid ) < 0 || seteuid( pwd->pw_uid ) < 0) {
368 LOG(log_error, logtype_afpd, "login: %s %s", pwd->pw_name, strerror(errno) );
369 return AFPERR_BADUAM;
373 if (setegid( pwd->pw_gid ) < 0 || seteuid( pwd->pw_uid ) < 0) {
374 LOG(log_error, logtype_afpd, "login: %s %s", pwd->pw_name, strerror(errno) );
375 return AFPERR_BADUAM;
379 /* There's probably a better way to do this, but for now, we just
385 #endif /* ADMIN_GRP */
388 set_auth_switch(expired);
390 obj->logout = logout;
394 save_uidgid ( &obj->uidgid );
400 /* ---------------------- */
401 int afp_zzz (obj, ibuf, ibuflen, rbuf, rbuflen ) /* Function 122 */
403 char *ibuf _U_, *rbuf;
404 unsigned int ibuflen _U_, *rbuflen;
410 retdata = obj->options.sleep /120;
414 *rbuflen = sizeof(retdata);
415 retdata = htonl(retdata);
416 memcpy(rbuf, &retdata, sizeof(retdata));
419 rbuf += sizeof(retdata);
423 /* ---------------------- */
424 static int create_session_token(AFPObj *obj)
428 /* use 8 bytes for token as OSX, don't know if it helps */
429 if ( sizeof(pid_t) > SESSIONTOKEN_LEN) {
430 LOG(log_error, logtype_afpd, "sizeof(pid_t) > %u", SESSIONTOKEN_LEN );
434 if ( NULL == (obj->sinfo.sessiontoken = malloc(SESSIONTOKEN_LEN)) )
437 memset(obj->sinfo.sessiontoken, 0, SESSIONTOKEN_LEN);
438 obj->sinfo.sessiontoken_len = SESSIONTOKEN_LEN;
440 memcpy(obj->sinfo.sessiontoken, &pid, sizeof(pid_t));
445 static int create_session_key(AFPObj *obj)
447 /* create session key */
448 if (obj->sinfo.sessionkey == NULL) {
449 if (NULL == (obj->sinfo.sessionkey = malloc(SESSIONKEY_LEN)) )
451 uam_random_string(obj, obj->sinfo.sessionkey, SESSIONKEY_LEN);
452 obj->sinfo.sessionkey_len = SESSIONKEY_LEN;
458 /* ---------------------- */
459 int afp_getsession(obj, ibuf, ibuflen, rbuf, rbuflen )
462 unsigned int ibuflen, *rbuflen;
477 memcpy(&type, ibuf, sizeof(type));
479 ibuf += sizeof(type);
480 ibuflen -= sizeof(type);
482 if ( obj->sinfo.sessiontoken == NULL ) {
483 if ( create_session_token( obj ) )
491 case 0: /* old version ?*/
492 tklen = obj->sinfo.sessiontoken_len;
493 token = obj->sinfo.sessiontoken;
495 case 1: /* disconnect */
496 case 2: /* reconnect update id */
497 if (ibuflen >= sizeof(idlen)) {
498 memcpy(&idlen, ibuf, sizeof(idlen));
499 idlen = ntohl(idlen);
500 ibuf += sizeof(idlen);
501 ibuflen -= sizeof(idlen);
502 if (ibuflen < idlen) {
505 /* memcpy (id, ibuf, idlen) */
506 tklen = obj->sinfo.sessiontoken_len;
507 token = obj->sinfo.sessiontoken;
514 memcpy( &idlen, ibuf, sizeof(idlen));
515 idlen = ntohl(idlen);
516 ibuf += sizeof(idlen);
517 ibuflen -= sizeof(idlen);
518 ibuf += sizeof(boottime);
519 ibuflen -= sizeof(boottime);
520 if (ibuflen < idlen || idlen > (90-10)) {
523 server_ipc_write(IPC_GETSESSION, idlen+8, p );
524 tklen = obj->sinfo.sessiontoken_len;
525 token = obj->sinfo.sessiontoken;
528 case 8: /* Panther Kerberos Token */
529 tklen = obj->sinfo.cryptedkey_len;
530 token = obj->sinfo.cryptedkey;
542 memcpy(rbuf, &tp, sizeof(tklen));
543 rbuf += sizeof(tklen);
544 *rbuflen += sizeof(tklen);
546 memcpy(rbuf, token, tklen);
552 /* ---------------------- */
553 int afp_disconnect(obj, ibuf, ibuflen, rbuf, rbuflen )
555 char *ibuf, *rbuf _U_;
556 int ibuflen _U_, *rbuflen;
568 /* check for guest user */
569 if ( 0 == (strcasecmp(obj->username, obj->options.guest)) ) {
574 memcpy(&type, ibuf, sizeof(type));
576 ibuf += sizeof(type);
578 memcpy(&tklen, ibuf, sizeof(tklen));
579 tklen = ntohl(tklen);
580 ibuf += sizeof(tklen);
582 if ( sizeof(pid_t) > SESSIONTOKEN_LEN) {
583 LOG(log_error, logtype_afpd, "sizeof(pid_t) > %u", SESSIONTOKEN_LEN );
586 if (tklen != SESSIONTOKEN_LEN) {
589 tklen = sizeof(pid_t);
590 memcpy(&token, ibuf, tklen);
592 /* our stuff is pid + zero pad */
594 for (i = tklen; i < SESSIONTOKEN_LEN; i++, ibuf++) {
600 /* killed old session, not easy */
601 server_ipc_write(IPC_KILLTOKEN, tklen, &token);
604 return AFPERR_SESSCLOS; /* was AFP_OK */
607 /* ---------------------- */
608 static int get_version(obj, ibuf, ibuflen, len)
616 if (!len || len > ibuflen)
617 return AFPERR_BADVERS;
619 num = sizeof( afp_versions ) / sizeof( afp_versions[ 0 ]);
620 for ( i = 0; i < num; i++ ) {
621 if ( strncmp( ibuf, afp_versions[ i ].av_name , len ) == 0 ) {
622 afp_version = afp_versions[ i ].av_number;
623 afp_version_index = i;
627 if ( i == num ) /* An inappropo version */
628 return AFPERR_BADVERS ;
630 if (afp_version >= 30 && obj->proto != AFPPROTO_DSI)
631 return AFPERR_BADVERS ;
634 if (afp_version >= 30 && sizeof(off_t) != 8) {
635 LOG(log_error, logtype_afpd, "get_version: no LARGE_FILE support recompile!" );
636 return AFPERR_BADVERS ;
642 /* ---------------------- */
643 int afp_login(obj, ibuf, ibuflen, rbuf, rbuflen )
646 int ibuflen, *rbuflen;
648 struct passwd *pwd = NULL;
654 return send_reply(obj, AFPERR_SHUTDOWN );
657 return send_reply(obj, AFPERR_BADVERS );
660 len = (unsigned char) *ibuf++;
663 i = get_version(obj, ibuf, ibuflen, len);
665 return send_reply(obj, i );
671 return send_reply(obj, AFPERR_BADUAM);
673 len = (unsigned char) *ibuf++;
676 if (!len || len > ibuflen)
677 return send_reply(obj, AFPERR_BADUAM);
679 if (NULL == (afp_uam = auth_uamfind(UAM_SERVER_LOGIN, ibuf, len)) )
680 return send_reply(obj, AFPERR_BADUAM);
684 if (AFP_OK != (i = create_session_key(obj)) )
685 return send_reply(obj, i);
687 i = afp_uam->u.uam_login.login(obj, &pwd, ibuf, ibuflen, rbuf, rbuflen);
689 if (!pwd || ( i != AFP_OK && i != AFPERR_PWDEXPR))
690 return send_reply(obj, i);
692 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((i==AFPERR_PWDEXPR)?1:0)));
695 /* ---------------------- */
696 int afp_login_ext(obj, ibuf, ibuflen, rbuf, rbuflen )
699 unsigned int ibuflen, *rbuflen;
701 struct passwd *pwd = NULL;
711 return send_reply(obj, AFPERR_SHUTDOWN );
714 return send_reply(obj, AFPERR_BADVERS );
720 len = (unsigned char) *ibuf;
724 i = get_version(obj, ibuf, ibuflen, len);
726 return send_reply(obj, i );
732 return send_reply(obj, AFPERR_BADUAM);
734 len = (unsigned char) *ibuf;
738 if (!len || len > ibuflen)
739 return send_reply(obj, AFPERR_BADUAM);
741 if ((afp_uam = auth_uamfind(UAM_SERVER_LOGIN, ibuf, len)) == NULL)
742 return send_reply(obj, AFPERR_BADUAM);
746 if (!afp_uam->u.uam_login.login_ext) {
747 LOG(log_error, logtype_afpd, "login_ext: uam %s not AFP 3 ready!", afp_uam->uam_name );
748 return send_reply(obj, AFPERR_BADUAM);
751 if (len <= 1 +sizeof(len16))
752 return send_reply(obj, AFPERR_PARAM);
758 return send_reply(obj, AFPERR_PARAM);
760 memcpy(&len16, ibuf, sizeof(len16));
761 ibuf += sizeof(len16);
762 ibuflen -= sizeof(len16);
765 return send_reply(obj, AFPERR_PARAM);
769 /* directory service name */
771 return send_reply(obj, AFPERR_PARAM);
780 return send_reply(obj, AFPERR_PARAM);
781 len = (unsigned char) *ibuf;
786 /* With "No User Authen" it is equal */
787 if (ibuflen < sizeof(len16))
788 return send_reply(obj, AFPERR_PARAM);
789 memcpy(&len16, ibuf, sizeof(len16));
790 ibuf += sizeof(len16);
791 ibuflen -= sizeof(len16);
795 return send_reply(obj, AFPERR_PARAM);
799 LOG(log_error, logtype_afpd, "login_ext: directory service path not null!" );
800 return send_reply(obj, AFPERR_PARAM);
807 if (ibuflen && ((unsigned long) ibuf & 1)) { /* pad character */
812 if (AFP_OK != (i = create_session_key(obj)) ) {
813 return send_reply(obj, i);
816 /* FIXME user name are in UTF8 */
817 i = afp_uam->u.uam_login.login_ext(obj, username, &pwd, ibuf, ibuflen, rbuf, rbuflen);
819 if (!pwd || ( i != AFP_OK && i != AFPERR_PWDEXPR))
820 return send_reply(obj, i);
822 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((i==AFPERR_PWDEXPR)?1:0)));
825 /* ---------------------- */
826 int afp_logincont(obj, ibuf, ibuflen, rbuf, rbuflen)
829 int ibuflen, *rbuflen;
831 struct passwd *pwd = NULL;
834 if ( afp_uam == NULL || afp_uam->u.uam_login.logincont == NULL ) {
836 return send_reply(obj, AFPERR_NOTAUTH );
839 ibuf += 2; ibuflen -= 2;
840 err = afp_uam->u.uam_login.logincont(obj, &pwd, ibuf, ibuflen,
842 if (!pwd || ( err != AFP_OK && err != AFPERR_PWDEXPR))
843 return send_reply(obj, err);
845 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((err==AFPERR_PWDEXPR)?1:0)));
849 int afp_logout(obj, ibuf, ibuflen, rbuf, rbuflen)
851 char *ibuf _U_, *rbuf _U_;
852 int ibuflen _U_, *rbuflen _U_;
854 LOG(log_info, logtype_afpd, "logout %s", obj->username);
862 /* change password --
863 * NOTE: an FPLogin must already have completed successfully for this
864 * to work. this also does a little pre-processing before it hands
867 int afp_changepw(obj, ibuf, ibuflen, rbuf, rbuflen )
870 int ibuflen, *rbuflen;
872 char username[MACFILELEN + 1], *start = ibuf;
881 /* check if password change is allowed, OS-X ignores the flag.
882 * we shouldn't trust the client on this anyway.
883 * not sure about the "right" error code, NOOP for now */
884 if (!(obj->options.passwdbits & PASSWD_SET))
887 /* make sure we can deal w/ this uam */
888 len = (unsigned char) *ibuf++;
889 if ((uam = auth_uamfind(UAM_SERVER_CHANGEPW, ibuf, len)) == NULL)
890 return AFPERR_BADUAM;
893 if ((len + 1) & 1) /* pad byte */
896 if ( afp_version < 30) {
897 len = (unsigned char) *ibuf++;
898 if ( len > sizeof(username) - 1) {
901 memcpy(username, ibuf, len);
902 username[ len ] = '\0';
904 if ((len + 1) & 1) /* pad byte */
907 /* AFP > 3.0 doesn't pass the username, APF 3.1 specs page 124 */
908 if ( ibuf[0] != '\0' || ibuf[1] != '\0')
911 len = MIN(sizeof(username), strlen(obj->username));
912 memcpy(username, obj->username, len);
913 username[ len ] = '\0';
917 LOG(log_info, logtype_afpd, "changing password for <%s>", username);
919 if (( pwd = uam_getname( obj, username, sizeof(username))) == NULL )
922 /* send it off to the uam. we really don't use ibuflen right now. */
923 ibuflen -= (ibuf - start);
924 ret = uam->u.uam_changepw(obj, username, pwd, ibuf, ibuflen,
926 LOG(log_info, logtype_afpd, "password change %s.",
927 (ret == AFPERR_AUTHCONT) ? "continued" :
928 (ret ? "failed" : "succeeded"));
937 int afp_getuserinfo(obj, ibuf, ibuflen, rbuf, rbuflen )
940 int ibuflen _U_, *rbuflen;
949 LOG(log_debug, logtype_afpd, "begin afp_getuserinfo:");
954 ibuf += sizeof(id); /* userid is not used in AFP 2.0 */
955 memcpy(&bitmap, ibuf, sizeof(bitmap));
956 bitmap = ntohs(bitmap);
958 /* deal with error cases. we don't have to worry about
959 * AFPERR_ACCESS or AFPERR_NOITEM as geteuid and getegid always
963 if ((bitmap & USERIBIT_ALL) != bitmap)
964 return AFPERR_BITMAP;
966 /* copy the bitmap back to reply buffer */
967 memcpy(rbuf, ibuf, sizeof(bitmap));
968 rbuf += sizeof(bitmap);
969 *rbuflen = sizeof(bitmap);
971 /* copy the user/group info */
972 if (bitmap & USERIBIT_USER) {
973 id = htonl(geteuid());
974 memcpy(rbuf, &id, sizeof(id));
976 *rbuflen += sizeof(id);
979 if (bitmap & USERIBIT_GROUP) {
980 id = htonl(getegid());
981 memcpy(rbuf, &id, sizeof(id));
983 *rbuflen += sizeof(id);
986 #ifdef HAVE_NFSv4_ACLS
987 if (bitmap & USERIBIT_UUID) {
988 if ( ! (obj->options.flags & OPTION_UUID))
989 return AFPERR_BITMAP;
990 LOG(log_debug, logtype_afpd, "afp_getuserinfo: get UUID for \'%s\'", obj->username);
991 ret = getuuidfromname( obj->username, UUID_USER, uuid);
993 LOG(log_info, logtype_afpd, "afp_getuserinfo: error getting UUID !");
994 return AFPERR_NOITEM;
996 uuid_bin2string( uuid, &uuidstring);
997 LOG(log_debug, logtype_afpd, "afp_getuserinfo: got UUID: %s", uuidstring);
999 memcpy(rbuf, uuid, UUID_BINSIZE);
1000 rbuf += UUID_BINSIZE;
1001 *rbuflen += UUID_BINSIZE;
1005 LOG(log_debug, logtype_afpd, "END afp_getuserinfo:");
1008 #define UAM_LIST(type) (((type) == UAM_SERVER_LOGIN || (type) == UAM_SERVER_LOGIN_EXT) ? &uam_login : \
1009 (((type) == UAM_SERVER_CHANGEPW) ? \
1010 &uam_changepw : NULL))
1012 /* just do a linked list search. this could be sped up with a hashed
1013 * list, but i doubt anyone's going to have enough uams to matter. */
1014 struct uam_obj *auth_uamfind(const int type, const char *name,
1017 struct uam_obj *prev, *start;
1019 if (!name || !(start = UAM_LIST(type)))
1023 while ((prev = prev->uam_prev) != start)
1024 if (strndiacasecmp(prev->uam_name, name, len) == 0)
1030 int auth_register(const int type, struct uam_obj *uam)
1032 struct uam_obj *start;
1034 if (!uam || !uam->uam_name || (*uam->uam_name == '\0'))
1037 if (!(start = UAM_LIST(type)))
1038 return 1; /* we don't know what to do with it, caller must free it */
1040 uam_attach(start, uam);
1044 /* load all of the modules */
1045 int auth_load(const char *path, const char *list)
1047 char name[MAXPATHLEN + 1], buf[MAXPATHLEN + 1], *p;
1048 struct uam_mod *mod;
1052 if (!path || !*path || !list || (len = strlen(path)) > sizeof(name) - 2)
1055 strlcpy(buf, list, sizeof(buf));
1056 if ((p = strtok(buf, ",")) == NULL)
1060 if (name[len - 1] != '/') {
1066 strlcpy(name + len, p, sizeof(name) - len);
1067 LOG(log_debug, logtype_afpd, "uam: loading (%s)", name);
1069 if ((stat(name, &st) == 0) && (mod = uam_load(name, p))) {
1071 if (stat(name, &st) == 0) {
1072 if ((mod = uam_load(name, p))) {
1073 uam_attach(&uam_modules, mod);
1074 LOG(log_info, logtype_afpd, "uam: %s loaded", p);
1076 LOG(log_info, logtype_afpd, "uam: %s load failure",p);
1079 LOG(log_info, logtype_afpd, "uam: uam not found (status=%d)", stat(name, &st));
1081 p = strtok(NULL, ",");
1087 /* get rid of all of the uams */
1090 struct uam_mod *mod, *prev, *start = &uam_modules;
1092 prev = start->uam_prev;
1093 while ((mod = prev) != start) {
1094 prev = prev->uam_prev;