2 * $Id: auth.c,v 1.65 2009-09-28 12:04:51 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;
173 static int afp_null_nolog(obj, ibuf, ibuflen, rbuf, rbuflen )
175 char *ibuf _U_, *rbuf _U_;
176 int ibuflen _U_, *rbuflen;
179 return( AFPERR_NOOP );
182 static int set_auth_switch(int expired)
188 * BF: expired password handling
189 * to allow the user to change his/her password we have to allow login
190 * but every following call except for FPChangePassword will be thrown
191 * away with an AFPERR_PWDEXPR error. (thanks to Leland Wallace from Apple
192 * for clarifying this)
195 for (i=0; i<=0xff; i++) {
196 uam_afpserver_action(i, UAM_AFPSERVER_PREAUTH, afp_errpwdexpired, NULL);
198 uam_afpserver_action(AFP_LOGOUT, UAM_AFPSERVER_PREAUTH, afp_logout, NULL);
199 uam_afpserver_action(AFP_CHANGEPW, UAM_AFPSERVER_PREAUTH, afp_changepw, NULL);
202 afp_switch = postauth_switch;
203 switch (afp_version) {
205 uam_afpserver_action(AFP_SPOTLIGHT_PRIVATE, UAM_AFPSERVER_POSTAUTH, afp_null_nolog, NULL);
206 uam_afpserver_action(AFP_SYNCDIR, UAM_AFPSERVER_POSTAUTH, afp_syncdir, NULL);
207 uam_afpserver_action(AFP_SYNCFORK, UAM_AFPSERVER_POSTAUTH, afp_syncfork, NULL);
208 #ifdef HAVE_NFSv4_ACLS
209 uam_afpserver_action(AFP_GETACL, UAM_AFPSERVER_POSTAUTH, afp_getacl, NULL);
210 uam_afpserver_action(AFP_SETACL, UAM_AFPSERVER_POSTAUTH, afp_setacl, NULL);
211 uam_afpserver_action(AFP_ACCESS, UAM_AFPSERVER_POSTAUTH, afp_access, NULL);
213 #ifdef HAVE_EXT_ATTRS
214 uam_afpserver_action(AFP_GETEXTATTR, UAM_AFPSERVER_POSTAUTH, afp_getextattr, NULL);
215 uam_afpserver_action(AFP_SETEXTATTR, UAM_AFPSERVER_POSTAUTH, afp_setextattr, NULL);
216 uam_afpserver_action(AFP_REMOVEATTR, UAM_AFPSERVER_POSTAUTH, afp_remextattr, NULL);
217 uam_afpserver_action(AFP_LISTEXTATTR, UAM_AFPSERVER_POSTAUTH, afp_listextattr, NULL);
220 uam_afpserver_action(AFP_ENUMERATE_EXT2, UAM_AFPSERVER_POSTAUTH, afp_enumerate_ext2, NULL);
222 uam_afpserver_action(AFP_ENUMERATE_EXT, UAM_AFPSERVER_POSTAUTH, afp_enumerate_ext, NULL);
223 uam_afpserver_action(AFP_BYTELOCK_EXT, UAM_AFPSERVER_POSTAUTH, afp_bytelock_ext, NULL);
224 /* catsearch_ext uses the same packet as catsearch FIXME double check this, it wasn't true for enue
226 uam_afpserver_action(AFP_CATSEARCH_EXT, UAM_AFPSERVER_POSTAUTH, afp_catsearch_ext, NULL);
227 uam_afpserver_action(AFP_GETSESSTOKEN, UAM_AFPSERVER_POSTAUTH, afp_getsession, NULL);
228 uam_afpserver_action(AFP_READ_EXT, UAM_AFPSERVER_POSTAUTH, afp_read_ext, NULL);
229 uam_afpserver_action(AFP_WRITE_EXT, UAM_AFPSERVER_POSTAUTH, afp_write_ext, NULL);
230 uam_afpserver_action(AFP_DISCTOLDSESS, UAM_AFPSERVER_POSTAUTH, afp_disconnect, NULL);
234 * If first connection to a server is done in classic AFP2.2 version is used
235 * but OSX uses AFP3.x FPzzz command !
237 uam_afpserver_action(AFP_ZZZ, UAM_AFPSERVER_POSTAUTH, afp_zzz, NULL);
245 static int login(AFPObj *obj, struct passwd *pwd, void (*logout)(void), int expired)
249 #endif /* ADMIN_GRP */
252 set_processname("afpd");
255 if ( pwd->pw_uid == 0 ) { /* don't allow root login */
256 LOG(log_error, logtype_afpd, "login: root login denied!" );
257 return AFPERR_NOTAUTH;
260 LOG(log_info, logtype_afpd, "login %s (uid %d, gid %d) %s", pwd->pw_name,
261 pwd->pw_uid, pwd->pw_gid , afp_versions[afp_version_index].av_name);
264 if (obj->proto == AFPPROTO_ASP) {
265 ASP asp = obj->handle;
266 int addr_net = ntohs( asp->asp_sat.sat_addr.s_net );
267 int addr_node = asp->asp_sat.sat_addr.s_node;
269 if (obj->options.authprintdir) {
270 if(addr_net && addr_node) { /* Do we have a valid Appletalk address? */
273 int mypid = getpid();
274 struct stat stat_buf;
276 sprintf(nodename, "%s/net%d.%dnode%d", obj->options.authprintdir,
277 addr_net / 256, addr_net % 256, addr_node);
278 LOG(log_info, logtype_afpd, "registering %s (uid %d) on %u.%u as %s",
279 pwd->pw_name, pwd->pw_uid, addr_net, addr_node, nodename);
281 if (stat(nodename, &stat_buf) == 0) { /* file exists */
282 if (S_ISREG(stat_buf.st_mode)) { /* normal file */
284 fp = fopen(nodename, "w");
285 fprintf(fp, "%s:%d\n", pwd->pw_name, mypid);
287 chown( nodename, pwd->pw_uid, -1 );
288 } else { /* somebody is messing with us */
289 LOG(log_error, logtype_afpd, "print authfile %s is not a normal file, it will not be modified", nodename );
291 } else { /* file 'nodename' does not exist */
292 fp = fopen(nodename, "w");
293 fprintf(fp, "%s:%d\n", pwd->pw_name, mypid);
295 chown( nodename, pwd->pw_uid, -1 );
297 } /* if (addr_net && addr_node ) */
298 } /* if (options->authprintdir) */
299 } /* if (obj->proto == AFPPROTO_ASP) */
302 if (initgroups( pwd->pw_name, pwd->pw_gid ) < 0) {
304 LOG(log_info, logtype_afpd, "running with uid %d", geteuid());
305 #else /* RUN_AS_USER */
306 LOG(log_error, logtype_afpd, "login: %s", strerror(errno));
307 return AFPERR_BADUAM;
308 #endif /* RUN_AS_USER */
312 /* Basically if the user is in the admin group, we stay root */
314 if (( ngroups = getgroups( 0, NULL )) < 0 ) {
315 LOG(log_error, logtype_afpd, "login: %s getgroups: %s", pwd->pw_name, strerror(errno) );
316 return AFPERR_BADUAM;
319 if ( NULL == (groups = calloc(ngroups, GROUPS_SIZE)) ) {
320 LOG(log_error, logtype_afpd, "login: %s calloc: %d", ngroups);
321 return AFPERR_BADUAM;
324 if (( ngroups = getgroups( ngroups, groups )) < 0 ) {
325 LOG(log_error, logtype_afpd, "login: %s getgroups: %s", pwd->pw_name, strerror(errno) );
326 return AFPERR_BADUAM;
330 LOG(log_debug, logtype_afpd, "obj->options.admingid == %d", obj->options.admingid);
332 if (obj->options.admingid != 0) {
334 for (i = 0; i < ngroups; i++) {
335 if (groups[i] == obj->options.admingid) admin = 1;
340 LOG(log_info, logtype_afpd, "admin login -- %s", pwd->pw_name );
343 #endif /* ADMIN_GRP */
346 struct DSI *dsi = obj->handle;
353 afp_get_cmdline( &argc, &argv );
355 hp = gethostbyaddr( (char *) &dsi->client.sin_addr,
356 sizeof( struct in_addr ),
357 dsi->client.sin_family );
360 clientname = hp->h_name;
362 clientname = inet_ntoa( dsi->client.sin_addr );
364 sprintf( hostname, "%s@%s", pwd->pw_name, clientname );
366 if( sia_become_user( NULL, argc, argv, hostname, pwd->pw_name,
367 NULL, FALSE, NULL, NULL,
368 SIA_BEU_REALLOGIN ) != SIASUCCESS )
369 return AFPERR_BADUAM;
371 LOG(log_info, logtype_afpd, "session from %s (%s)", hostname,
372 inet_ntoa( dsi->client.sin_addr ) );
374 if (setegid( pwd->pw_gid ) < 0 || seteuid( pwd->pw_uid ) < 0) {
375 LOG(log_error, logtype_afpd, "login: %s %s", pwd->pw_name, strerror(errno) );
376 return AFPERR_BADUAM;
380 if (setegid( pwd->pw_gid ) < 0 || seteuid( pwd->pw_uid ) < 0) {
381 LOG(log_error, logtype_afpd, "login: %s %s", pwd->pw_name, strerror(errno) );
382 return AFPERR_BADUAM;
386 /* There's probably a better way to do this, but for now, we just
392 #endif /* ADMIN_GRP */
395 set_auth_switch(expired);
397 obj->logout = logout;
401 save_uidgid ( &obj->uidgid );
407 /* ---------------------- */
408 int afp_zzz (obj, ibuf, ibuflen, rbuf, rbuflen ) /* Function 122 */
410 char *ibuf _U_, *rbuf;
411 unsigned int ibuflen _U_, *rbuflen;
417 retdata = obj->options.sleep /120;
421 *rbuflen = sizeof(retdata);
422 retdata = htonl(retdata);
423 memcpy(rbuf, &retdata, sizeof(retdata));
426 rbuf += sizeof(retdata);
430 /* ---------------------- */
431 static int create_session_token(AFPObj *obj)
435 /* use 8 bytes for token as OSX, don't know if it helps */
436 if ( sizeof(pid_t) > SESSIONTOKEN_LEN) {
437 LOG(log_error, logtype_afpd, "sizeof(pid_t) > %u", SESSIONTOKEN_LEN );
441 if ( NULL == (obj->sinfo.sessiontoken = malloc(SESSIONTOKEN_LEN)) )
444 memset(obj->sinfo.sessiontoken, 0, SESSIONTOKEN_LEN);
445 obj->sinfo.sessiontoken_len = SESSIONTOKEN_LEN;
447 memcpy(obj->sinfo.sessiontoken, &pid, sizeof(pid_t));
452 static int create_session_key(AFPObj *obj)
454 /* create session key */
455 if (obj->sinfo.sessionkey == NULL) {
456 if (NULL == (obj->sinfo.sessionkey = malloc(SESSIONKEY_LEN)) )
458 uam_random_string(obj, obj->sinfo.sessionkey, SESSIONKEY_LEN);
459 obj->sinfo.sessionkey_len = SESSIONKEY_LEN;
465 /* ---------------------- */
466 int afp_getsession(obj, ibuf, ibuflen, rbuf, rbuflen )
469 unsigned int ibuflen, *rbuflen;
484 memcpy(&type, ibuf, sizeof(type));
486 ibuf += sizeof(type);
487 ibuflen -= sizeof(type);
489 if ( obj->sinfo.sessiontoken == NULL ) {
490 if ( create_session_token( obj ) )
498 case 0: /* old version ?*/
499 tklen = obj->sinfo.sessiontoken_len;
500 token = obj->sinfo.sessiontoken;
502 case 1: /* disconnect */
503 case 2: /* reconnect update id */
504 if (ibuflen >= sizeof(idlen)) {
505 memcpy(&idlen, ibuf, sizeof(idlen));
506 idlen = ntohl(idlen);
507 ibuf += sizeof(idlen);
508 ibuflen -= sizeof(idlen);
509 if (ibuflen < idlen) {
512 /* memcpy (id, ibuf, idlen) */
513 tklen = obj->sinfo.sessiontoken_len;
514 token = obj->sinfo.sessiontoken;
521 memcpy( &idlen, ibuf, sizeof(idlen));
522 idlen = ntohl(idlen);
523 ibuf += sizeof(idlen);
524 ibuflen -= sizeof(idlen);
525 ibuf += sizeof(boottime);
526 ibuflen -= sizeof(boottime);
527 if (ibuflen < idlen || idlen > (90-10)) {
530 server_ipc_write(IPC_GETSESSION, idlen+8, p );
531 tklen = obj->sinfo.sessiontoken_len;
532 token = obj->sinfo.sessiontoken;
535 case 8: /* Panther Kerberos Token */
536 tklen = obj->sinfo.cryptedkey_len;
537 token = obj->sinfo.cryptedkey;
549 memcpy(rbuf, &tp, sizeof(tklen));
550 rbuf += sizeof(tklen);
551 *rbuflen += sizeof(tklen);
553 memcpy(rbuf, token, tklen);
559 /* ---------------------- */
560 int afp_disconnect(obj, ibuf, ibuflen, rbuf, rbuflen )
562 char *ibuf, *rbuf _U_;
563 int ibuflen _U_, *rbuflen;
575 /* check for guest user */
576 if ( 0 == (strcasecmp(obj->username, obj->options.guest)) ) {
581 memcpy(&type, ibuf, sizeof(type));
583 ibuf += sizeof(type);
585 memcpy(&tklen, ibuf, sizeof(tklen));
586 tklen = ntohl(tklen);
587 ibuf += sizeof(tklen);
589 if ( sizeof(pid_t) > SESSIONTOKEN_LEN) {
590 LOG(log_error, logtype_afpd, "sizeof(pid_t) > %u", SESSIONTOKEN_LEN );
593 if (tklen != SESSIONTOKEN_LEN) {
596 tklen = sizeof(pid_t);
597 memcpy(&token, ibuf, tklen);
599 /* our stuff is pid + zero pad */
601 for (i = tklen; i < SESSIONTOKEN_LEN; i++, ibuf++) {
607 /* killed old session, not easy */
608 server_ipc_write(IPC_KILLTOKEN, tklen, &token);
611 return AFPERR_SESSCLOS; /* was AFP_OK */
614 /* ---------------------- */
615 static int get_version(obj, ibuf, ibuflen, len)
623 if (!len || len > ibuflen)
624 return AFPERR_BADVERS;
626 num = sizeof( afp_versions ) / sizeof( afp_versions[ 0 ]);
627 for ( i = 0; i < num; i++ ) {
628 if ( strncmp( ibuf, afp_versions[ i ].av_name , len ) == 0 ) {
629 afp_version = afp_versions[ i ].av_number;
630 afp_version_index = i;
634 if ( i == num ) /* An inappropo version */
635 return AFPERR_BADVERS ;
637 if (afp_version >= 30 && obj->proto != AFPPROTO_DSI)
638 return AFPERR_BADVERS ;
641 if (afp_version >= 30 && sizeof(off_t) != 8) {
642 LOG(log_error, logtype_afpd, "get_version: no LARGE_FILE support recompile!" );
643 return AFPERR_BADVERS ;
649 /* ---------------------- */
650 int afp_login(obj, ibuf, ibuflen, rbuf, rbuflen )
653 int ibuflen, *rbuflen;
655 struct passwd *pwd = NULL;
661 return send_reply(obj, AFPERR_SHUTDOWN );
664 return send_reply(obj, AFPERR_BADVERS );
667 len = (unsigned char) *ibuf++;
670 i = get_version(obj, ibuf, ibuflen, len);
672 return send_reply(obj, i );
678 return send_reply(obj, AFPERR_BADUAM);
680 len = (unsigned char) *ibuf++;
683 if (!len || len > ibuflen)
684 return send_reply(obj, AFPERR_BADUAM);
686 if (NULL == (afp_uam = auth_uamfind(UAM_SERVER_LOGIN, ibuf, len)) )
687 return send_reply(obj, AFPERR_BADUAM);
691 if (AFP_OK != (i = create_session_key(obj)) )
692 return send_reply(obj, i);
694 i = afp_uam->u.uam_login.login(obj, &pwd, ibuf, ibuflen, rbuf, rbuflen);
696 if (!pwd || ( i != AFP_OK && i != AFPERR_PWDEXPR))
697 return send_reply(obj, i);
699 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((i==AFPERR_PWDEXPR)?1:0)));
702 /* ---------------------- */
703 int afp_login_ext(obj, ibuf, ibuflen, rbuf, rbuflen )
706 unsigned int ibuflen, *rbuflen;
708 struct passwd *pwd = NULL;
718 return send_reply(obj, AFPERR_SHUTDOWN );
721 return send_reply(obj, AFPERR_BADVERS );
727 len = (unsigned char) *ibuf;
731 i = get_version(obj, ibuf, ibuflen, len);
733 return send_reply(obj, i );
739 return send_reply(obj, AFPERR_BADUAM);
741 len = (unsigned char) *ibuf;
745 if (!len || len > ibuflen)
746 return send_reply(obj, AFPERR_BADUAM);
748 if ((afp_uam = auth_uamfind(UAM_SERVER_LOGIN, ibuf, len)) == NULL)
749 return send_reply(obj, AFPERR_BADUAM);
753 if (!afp_uam->u.uam_login.login_ext) {
754 LOG(log_error, logtype_afpd, "login_ext: uam %s not AFP 3 ready!", afp_uam->uam_name );
755 return send_reply(obj, AFPERR_BADUAM);
758 if (len <= 1 +sizeof(len16))
759 return send_reply(obj, AFPERR_PARAM);
765 return send_reply(obj, AFPERR_PARAM);
767 memcpy(&len16, ibuf, sizeof(len16));
768 ibuf += sizeof(len16);
769 ibuflen -= sizeof(len16);
772 return send_reply(obj, AFPERR_PARAM);
776 /* directory service name */
778 return send_reply(obj, AFPERR_PARAM);
787 return send_reply(obj, AFPERR_PARAM);
788 len = (unsigned char) *ibuf;
793 /* With "No User Authen" it is equal */
794 if (ibuflen < sizeof(len16))
795 return send_reply(obj, AFPERR_PARAM);
796 memcpy(&len16, ibuf, sizeof(len16));
797 ibuf += sizeof(len16);
798 ibuflen -= sizeof(len16);
802 return send_reply(obj, AFPERR_PARAM);
806 LOG(log_error, logtype_afpd, "login_ext: directory service path not null!" );
807 return send_reply(obj, AFPERR_PARAM);
814 if (ibuflen && ((unsigned long) ibuf & 1)) { /* pad character */
819 if (AFP_OK != (i = create_session_key(obj)) ) {
820 return send_reply(obj, i);
823 /* FIXME user name are in UTF8 */
824 i = afp_uam->u.uam_login.login_ext(obj, username, &pwd, ibuf, ibuflen, rbuf, rbuflen);
826 if (!pwd || ( i != AFP_OK && i != AFPERR_PWDEXPR))
827 return send_reply(obj, i);
829 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((i==AFPERR_PWDEXPR)?1:0)));
832 /* ---------------------- */
833 int afp_logincont(obj, ibuf, ibuflen, rbuf, rbuflen)
836 int ibuflen, *rbuflen;
838 struct passwd *pwd = NULL;
841 if ( afp_uam == NULL || afp_uam->u.uam_login.logincont == NULL ) {
843 return send_reply(obj, AFPERR_NOTAUTH );
846 ibuf += 2; ibuflen -= 2;
847 err = afp_uam->u.uam_login.logincont(obj, &pwd, ibuf, ibuflen,
849 if (!pwd || ( err != AFP_OK && err != AFPERR_PWDEXPR))
850 return send_reply(obj, err);
852 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((err==AFPERR_PWDEXPR)?1:0)));
856 int afp_logout(obj, ibuf, ibuflen, rbuf, rbuflen)
858 char *ibuf _U_, *rbuf _U_;
859 int ibuflen _U_, *rbuflen _U_;
861 LOG(log_info, logtype_afpd, "logout %s", obj->username);
869 /* change password --
870 * NOTE: an FPLogin must already have completed successfully for this
871 * to work. this also does a little pre-processing before it hands
874 int afp_changepw(obj, ibuf, ibuflen, rbuf, rbuflen )
877 int ibuflen, *rbuflen;
879 char username[MACFILELEN + 1], *start = ibuf;
888 /* check if password change is allowed, OS-X ignores the flag.
889 * we shouldn't trust the client on this anyway.
890 * not sure about the "right" error code, NOOP for now */
891 if (!(obj->options.passwdbits & PASSWD_SET))
894 /* make sure we can deal w/ this uam */
895 len = (unsigned char) *ibuf++;
896 if ((uam = auth_uamfind(UAM_SERVER_CHANGEPW, ibuf, len)) == NULL)
897 return AFPERR_BADUAM;
900 if ((len + 1) & 1) /* pad byte */
903 if ( afp_version < 30) {
904 len = (unsigned char) *ibuf++;
905 if ( len > sizeof(username) - 1) {
908 memcpy(username, ibuf, len);
909 username[ len ] = '\0';
911 if ((len + 1) & 1) /* pad byte */
914 /* AFP > 3.0 doesn't pass the username, APF 3.1 specs page 124 */
915 if ( ibuf[0] != '\0' || ibuf[1] != '\0')
918 len = MIN(sizeof(username), strlen(obj->username));
919 memcpy(username, obj->username, len);
920 username[ len ] = '\0';
924 LOG(log_info, logtype_afpd, "changing password for <%s>", username);
926 if (( pwd = uam_getname( obj, username, sizeof(username))) == NULL )
929 /* send it off to the uam. we really don't use ibuflen right now. */
930 ibuflen -= (ibuf - start);
931 ret = uam->u.uam_changepw(obj, username, pwd, ibuf, ibuflen,
933 LOG(log_info, logtype_afpd, "password change %s.",
934 (ret == AFPERR_AUTHCONT) ? "continued" :
935 (ret ? "failed" : "succeeded"));
944 int afp_getuserinfo(obj, ibuf, ibuflen, rbuf, rbuflen )
947 int ibuflen _U_, *rbuflen;
953 LOG(log_debug, logtype_afpd, "begin afp_getuserinfo:");
958 ibuf += sizeof(id); /* userid is not used in AFP 2.0 */
959 memcpy(&bitmap, ibuf, sizeof(bitmap));
960 bitmap = ntohs(bitmap);
962 /* deal with error cases. we don't have to worry about
963 * AFPERR_ACCESS or AFPERR_NOITEM as geteuid and getegid always
967 if ((bitmap & USERIBIT_ALL) != bitmap)
968 return AFPERR_BITMAP;
970 /* copy the bitmap back to reply buffer */
971 memcpy(rbuf, ibuf, sizeof(bitmap));
972 rbuf += sizeof(bitmap);
973 *rbuflen = sizeof(bitmap);
975 /* copy the user/group info */
976 if (bitmap & USERIBIT_USER) {
977 id = htonl(geteuid());
978 memcpy(rbuf, &id, sizeof(id));
980 *rbuflen += sizeof(id);
983 if (bitmap & USERIBIT_GROUP) {
984 id = htonl(getegid());
985 memcpy(rbuf, &id, sizeof(id));
987 *rbuflen += sizeof(id);
990 #ifdef HAVE_NFSv4_ACLS
991 if (bitmap & USERIBIT_UUID) {
996 if ( ! (obj->options.flags & OPTION_UUID))
997 return AFPERR_BITMAP;
998 LOG(log_debug, logtype_afpd, "afp_getuserinfo: get UUID for \'%s\'", obj->username);
999 ret = getuuidfromname( obj->username, UUID_USER, uuid);
1001 LOG(log_info, logtype_afpd, "afp_getuserinfo: error getting UUID !");
1002 return AFPERR_NOITEM;
1004 if (0 == (uuid_bin2string( uuid, &uuidstring))) {
1005 LOG(log_debug, logtype_afpd, "afp_getuserinfo: got UUID: %s", uuidstring);
1008 memcpy(rbuf, uuid, UUID_BINSIZE);
1009 rbuf += UUID_BINSIZE;
1010 *rbuflen += UUID_BINSIZE;
1014 LOG(log_debug, logtype_afpd, "END afp_getuserinfo:");
1018 #define UAM_LIST(type) (((type) == UAM_SERVER_LOGIN || (type) == UAM_SERVER_LOGIN_EXT) ? &uam_login : \
1019 (((type) == UAM_SERVER_CHANGEPW) ? \
1020 &uam_changepw : NULL))
1022 /* just do a linked list search. this could be sped up with a hashed
1023 * list, but i doubt anyone's going to have enough uams to matter. */
1024 struct uam_obj *auth_uamfind(const int type, const char *name,
1027 struct uam_obj *prev, *start;
1029 if (!name || !(start = UAM_LIST(type)))
1033 while ((prev = prev->uam_prev) != start)
1034 if (strndiacasecmp(prev->uam_name, name, len) == 0)
1040 int auth_register(const int type, struct uam_obj *uam)
1042 struct uam_obj *start;
1044 if (!uam || !uam->uam_name || (*uam->uam_name == '\0'))
1047 if (!(start = UAM_LIST(type)))
1048 return 1; /* we don't know what to do with it, caller must free it */
1050 uam_attach(start, uam);
1054 /* load all of the modules */
1055 int auth_load(const char *path, const char *list)
1057 char name[MAXPATHLEN + 1], buf[MAXPATHLEN + 1], *p;
1058 struct uam_mod *mod;
1062 if (!path || !*path || !list || (len = strlen(path)) > sizeof(name) - 2)
1065 strlcpy(buf, list, sizeof(buf));
1066 if ((p = strtok(buf, ",")) == NULL)
1070 if (name[len - 1] != '/') {
1076 strlcpy(name + len, p, sizeof(name) - len);
1077 LOG(log_debug, logtype_afpd, "uam: loading (%s)", name);
1079 if ((stat(name, &st) == 0) && (mod = uam_load(name, p))) {
1081 if (stat(name, &st) == 0) {
1082 if ((mod = uam_load(name, p))) {
1083 uam_attach(&uam_modules, mod);
1084 LOG(log_info, logtype_afpd, "uam: %s loaded", p);
1086 LOG(log_info, logtype_afpd, "uam: %s load failure",p);
1089 LOG(log_info, logtype_afpd, "uam: uam not found (status=%d)", stat(name, &st));
1091 p = strtok(NULL, ",");
1097 /* get rid of all of the uams */
1100 struct uam_mod *mod, *prev, *start = &uam_modules;
1102 prev = start->uam_prev;
1103 while ((mod = prev) != start) {
1104 prev = prev->uam_prev;