2 * $Id: auth.c,v 1.69 2009-10-25 07:18:12 didg 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 );
51 #ifdef HAVE_NFSv4_ACLS
56 static int afp_version_index;
60 #if defined( sun ) && !defined( __svr4__ ) || defined( ultrix )
63 #define GROUPS_SIZE sizeof(int)
65 #else /* sun __svr4__ ultrix */
68 #define GROUPS_SIZE sizeof(gid_t)
69 #endif /* sun ultrix */
74 * These numbers are scattered throughout the code.
76 static struct afp_versions afp_versions[] = {
77 { "AFPVersion 1.1", 11 },
78 { "AFPVersion 2.0", 20 },
79 { "AFPVersion 2.1", 21 },
88 static struct uam_mod uam_modules = {NULL, NULL, &uam_modules, &uam_modules};
89 static struct uam_obj uam_login = {"", "", 0, {{NULL, NULL, NULL, NULL }}, &uam_login,
91 static struct uam_obj uam_changepw = {"", "", 0, {{NULL, NULL, NULL, NULL}}, &uam_changepw,
94 static struct uam_obj *afp_uam = NULL;
97 void status_versions( char *data)
103 memcpy(&status, start + AFPSTATUS_VERSOFF, sizeof(status));
104 num = sizeof( afp_versions ) / sizeof( afp_versions[ 0 ] );
105 data += ntohs( status );
107 for ( i = 0; i < num; i++ ) {
108 len = strlen( afp_versions[ i ].av_name );
110 memcpy( data, afp_versions[ i ].av_name , len );
113 status = htons( data - start );
114 memcpy(start + AFPSTATUS_UAMSOFF, &status, sizeof(status));
117 void status_uams(char *data, const char *authlist)
121 struct uam_obj *uams;
124 memcpy(&status, start + AFPSTATUS_UAMSOFF, sizeof(status));
126 while ((uams = uams->uam_prev) != &uam_login) {
127 if (strstr(authlist, uams->uam_path))
131 data += ntohs( status );
133 while ((uams = uams->uam_prev) != &uam_login) {
134 if (strstr(authlist, uams->uam_path)) {
135 LOG(log_info, logtype_afpd, "uam: \"%s\" available", uams->uam_name);
136 len = strlen( uams->uam_name);
138 memcpy( data, uams->uam_name, len );
144 status = htons(data - start);
145 memcpy(start + AFPSTATUS_ICONOFF, &status, sizeof(status));
148 /* handle errors by closing the connection. this is only needed
149 * by the afp_* functions. */
150 static int send_reply(const AFPObj *obj, const int err)
152 if ((err == AFP_OK) || (err == AFPERR_AUTHCONT))
155 obj->reply(obj->handle, err);
161 static int afp_errpwdexpired(AFPObj *obj _U_, char *ibuf _U_, size_t ibuflen _U_,
162 char *rbuf _U_, size_t *rbuflen)
165 return AFPERR_PWDEXPR;
168 static int afp_null_nolog(AFPObj *obj _U_, char *ibuf _U_, size_t ibuflen _U_,
169 char *rbuf _U_, size_t *rbuflen)
172 return( AFPERR_NOOP );
175 static int set_auth_switch(int expired)
181 * BF: expired password handling
182 * to allow the user to change his/her password we have to allow login
183 * but every following call except for FPChangePassword will be thrown
184 * away with an AFPERR_PWDEXPR error. (thanks to Leland Wallace from Apple
185 * for clarifying this)
188 for (i=0; i<=0xff; i++) {
189 uam_afpserver_action(i, UAM_AFPSERVER_PREAUTH, afp_errpwdexpired, NULL);
191 uam_afpserver_action(AFP_LOGOUT, UAM_AFPSERVER_PREAUTH, afp_logout, NULL);
192 uam_afpserver_action(AFP_CHANGEPW, UAM_AFPSERVER_PREAUTH, afp_changepw, NULL);
195 afp_switch = postauth_switch;
196 switch (afp_version) {
198 #ifdef HAVE_NFSv4_ACLS
199 uam_afpserver_action(AFP_GETACL, UAM_AFPSERVER_POSTAUTH, afp_getacl, NULL);
200 uam_afpserver_action(AFP_SETACL, UAM_AFPSERVER_POSTAUTH, afp_setacl, NULL);
201 uam_afpserver_action(AFP_ACCESS, UAM_AFPSERVER_POSTAUTH, afp_access, NULL);
203 uam_afpserver_action(AFP_GETEXTATTR, UAM_AFPSERVER_POSTAUTH, afp_getextattr, NULL);
204 uam_afpserver_action(AFP_SETEXTATTR, UAM_AFPSERVER_POSTAUTH, afp_setextattr, NULL);
205 uam_afpserver_action(AFP_REMOVEATTR, UAM_AFPSERVER_POSTAUTH, afp_remextattr, NULL);
206 uam_afpserver_action(AFP_LISTEXTATTR, UAM_AFPSERVER_POSTAUTH, afp_listextattr, NULL);
208 uam_afpserver_action(AFP_SYNCDIR, UAM_AFPSERVER_POSTAUTH, afp_syncdir, NULL);
209 uam_afpserver_action(AFP_SYNCFORK, UAM_AFPSERVER_POSTAUTH, afp_syncfork, NULL);
210 uam_afpserver_action(AFP_SPOTLIGHT_PRIVATE, UAM_AFPSERVER_POSTAUTH, afp_null_nolog, NULL);
211 uam_afpserver_action(AFP_ENUMERATE_EXT2, UAM_AFPSERVER_POSTAUTH, afp_enumerate_ext2, NULL);
213 uam_afpserver_action(AFP_ENUMERATE_EXT, UAM_AFPSERVER_POSTAUTH, afp_enumerate_ext, NULL);
214 uam_afpserver_action(AFP_BYTELOCK_EXT, UAM_AFPSERVER_POSTAUTH, afp_bytelock_ext, NULL);
215 /* catsearch_ext uses the same packet as catsearch FIXME double check this, it wasn't true for enue
217 uam_afpserver_action(AFP_CATSEARCH_EXT, UAM_AFPSERVER_POSTAUTH, afp_catsearch_ext, NULL);
218 uam_afpserver_action(AFP_GETSESSTOKEN, UAM_AFPSERVER_POSTAUTH, afp_getsession, NULL);
219 uam_afpserver_action(AFP_READ_EXT, UAM_AFPSERVER_POSTAUTH, afp_read_ext, NULL);
220 uam_afpserver_action(AFP_WRITE_EXT, UAM_AFPSERVER_POSTAUTH, afp_write_ext, NULL);
221 uam_afpserver_action(AFP_DISCTOLDSESS, UAM_AFPSERVER_POSTAUTH, afp_disconnect, NULL);
225 * If first connection to a server is done in classic AFP2.2 version is used
226 * but OSX uses AFP3.x FPzzz command !
228 uam_afpserver_action(AFP_ZZZ, UAM_AFPSERVER_POSTAUTH, afp_zzz, NULL);
236 static int login(AFPObj *obj, struct passwd *pwd, void (*logout)(void), int expired)
240 #endif /* ADMIN_GRP */
243 set_processname("afpd");
246 if ( pwd->pw_uid == 0 ) { /* don't allow root login */
247 LOG(log_error, logtype_afpd, "login: root login denied!" );
248 return AFPERR_NOTAUTH;
251 LOG(log_info, logtype_afpd, "login %s (uid %d, gid %d) %s", pwd->pw_name,
252 pwd->pw_uid, pwd->pw_gid , afp_versions[afp_version_index].av_name);
255 if (obj->proto == AFPPROTO_ASP) {
256 ASP asp = obj->handle;
257 int addr_net = ntohs( asp->asp_sat.sat_addr.s_net );
258 int addr_node = asp->asp_sat.sat_addr.s_node;
260 if (obj->options.authprintdir) {
261 if(addr_net && addr_node) { /* Do we have a valid Appletalk address? */
264 int mypid = getpid();
265 struct stat stat_buf;
267 sprintf(nodename, "%s/net%d.%dnode%d", obj->options.authprintdir,
268 addr_net / 256, addr_net % 256, addr_node);
269 LOG(log_info, logtype_afpd, "registering %s (uid %d) on %u.%u as %s",
270 pwd->pw_name, pwd->pw_uid, addr_net, addr_node, nodename);
272 if (stat(nodename, &stat_buf) == 0) { /* file exists */
273 if (S_ISREG(stat_buf.st_mode)) { /* normal file */
275 fp = fopen(nodename, "w");
276 fprintf(fp, "%s:%d\n", pwd->pw_name, mypid);
278 chown( nodename, pwd->pw_uid, -1 );
279 } else { /* somebody is messing with us */
280 LOG(log_error, logtype_afpd, "print authfile %s is not a normal file, it will not be modified", nodename );
282 } else { /* file 'nodename' does not exist */
283 fp = fopen(nodename, "w");
284 fprintf(fp, "%s:%d\n", pwd->pw_name, mypid);
286 chown( nodename, pwd->pw_uid, -1 );
288 } /* if (addr_net && addr_node ) */
289 } /* if (options->authprintdir) */
290 } /* if (obj->proto == AFPPROTO_ASP) */
293 if (initgroups( pwd->pw_name, pwd->pw_gid ) < 0) {
295 LOG(log_info, logtype_afpd, "running with uid %d", geteuid());
296 #else /* RUN_AS_USER */
297 LOG(log_error, logtype_afpd, "login: %s", strerror(errno));
298 return AFPERR_BADUAM;
299 #endif /* RUN_AS_USER */
303 /* Basically if the user is in the admin group, we stay root */
305 if (( ngroups = getgroups( 0, NULL )) < 0 ) {
306 LOG(log_error, logtype_afpd, "login: %s getgroups: %s", pwd->pw_name, strerror(errno) );
307 return AFPERR_BADUAM;
310 if ( NULL == (groups = calloc(ngroups, GROUPS_SIZE)) ) {
311 LOG(log_error, logtype_afpd, "login: %s calloc: %d", ngroups);
312 return AFPERR_BADUAM;
315 if (( ngroups = getgroups( ngroups, groups )) < 0 ) {
316 LOG(log_error, logtype_afpd, "login: %s getgroups: %s", pwd->pw_name, strerror(errno) );
317 return AFPERR_BADUAM;
321 LOG(log_debug, logtype_afpd, "obj->options.admingid == %d", obj->options.admingid);
323 if (obj->options.admingid != 0) {
325 for (i = 0; i < ngroups; i++) {
326 if (groups[i] == obj->options.admingid) admin = 1;
331 LOG(log_info, logtype_afpd, "admin login -- %s", pwd->pw_name );
334 #endif /* ADMIN_GRP */
337 struct DSI *dsi = obj->handle;
344 afp_get_cmdline( &argc, &argv );
346 hp = gethostbyaddr( (char *) &dsi->client.sin_addr,
347 sizeof( struct in_addr ),
348 dsi->client.sin_family );
351 clientname = hp->h_name;
353 clientname = inet_ntoa( dsi->client.sin_addr );
355 sprintf( hostname, "%s@%s", pwd->pw_name, clientname );
357 if( sia_become_user( NULL, argc, argv, hostname, pwd->pw_name,
358 NULL, FALSE, NULL, NULL,
359 SIA_BEU_REALLOGIN ) != SIASUCCESS )
360 return AFPERR_BADUAM;
362 LOG(log_info, logtype_afpd, "session from %s (%s)", hostname,
363 inet_ntoa( dsi->client.sin_addr ) );
365 if (setegid( pwd->pw_gid ) < 0 || seteuid( pwd->pw_uid ) < 0) {
366 LOG(log_error, logtype_afpd, "login: %s %s", pwd->pw_name, strerror(errno) );
367 return AFPERR_BADUAM;
371 if (setegid( pwd->pw_gid ) < 0 || seteuid( pwd->pw_uid ) < 0) {
372 LOG(log_error, logtype_afpd, "login: %s %s", pwd->pw_name, strerror(errno) );
373 return AFPERR_BADUAM;
377 /* There's probably a better way to do this, but for now, we just
383 #endif /* ADMIN_GRP */
386 set_auth_switch(expired);
387 /* save our euid, we need it for preexec_close */
388 obj->uid = geteuid();
389 obj->logout = logout;
393 save_uidgid ( &obj->uidgid );
399 /* ---------------------- */
400 int afp_zzz ( /* Function 122 */
402 char *ibuf _U_, size_t ibuflen _U_,
403 char *rbuf, size_t *rbuflen)
409 retdata = obj->options.sleep /120;
413 *rbuflen = sizeof(retdata);
414 retdata = htonl(retdata);
415 memcpy(rbuf, &retdata, sizeof(retdata));
418 rbuf += sizeof(retdata);
422 /* ---------------------- */
423 static int create_session_token(AFPObj *obj)
427 /* use 8 bytes for token as OSX, don't know if it helps */
428 if ( sizeof(pid_t) > SESSIONTOKEN_LEN) {
429 LOG(log_error, logtype_afpd, "sizeof(pid_t) > %u", SESSIONTOKEN_LEN );
433 if ( NULL == (obj->sinfo.sessiontoken = malloc(SESSIONTOKEN_LEN)) )
436 memset(obj->sinfo.sessiontoken, 0, SESSIONTOKEN_LEN);
437 obj->sinfo.sessiontoken_len = SESSIONTOKEN_LEN;
439 memcpy(obj->sinfo.sessiontoken, &pid, sizeof(pid_t));
444 static int create_session_key(AFPObj *obj)
446 /* create session key */
447 if (obj->sinfo.sessionkey == NULL) {
448 if (NULL == (obj->sinfo.sessionkey = malloc(SESSIONKEY_LEN)) )
450 uam_random_string(obj, obj->sinfo.sessionkey, SESSIONKEY_LEN);
451 obj->sinfo.sessionkey_len = SESSIONKEY_LEN;
457 /* ---------------------- */
460 char *ibuf, size_t ibuflen,
461 char *rbuf, size_t *rbuflen)
473 if (ibuflen < 2 + sizeof(type)) {
480 memcpy(&type, ibuf, sizeof(type));
482 ibuf += sizeof(type);
483 ibuflen -= sizeof(type);
485 if ( obj->sinfo.sessiontoken == NULL ) {
486 if ( create_session_token( obj ) )
494 case 0: /* old version ?*/
495 tklen = obj->sinfo.sessiontoken_len;
496 token = obj->sinfo.sessiontoken;
498 case 1: /* disconnect */
499 case 2: /* reconnect update id */
500 if (ibuflen >= sizeof(idlen)) {
501 memcpy(&idlen, ibuf, sizeof(idlen));
502 idlen = ntohl(idlen);
503 ibuf += sizeof(idlen);
504 ibuflen -= sizeof(idlen);
505 if (ibuflen < idlen) {
508 /* memcpy (id, ibuf, idlen) */
509 tklen = obj->sinfo.sessiontoken_len;
510 token = obj->sinfo.sessiontoken;
517 memcpy( &idlen, ibuf, sizeof(idlen));
518 idlen = ntohl(idlen);
519 ibuf += sizeof(idlen);
520 ibuflen -= sizeof(idlen);
521 ibuf += sizeof(boottime);
522 ibuflen -= sizeof(boottime);
523 if (ibuflen < idlen || idlen > (90-10)) {
526 server_ipc_write(IPC_GETSESSION, idlen+8, p );
527 tklen = obj->sinfo.sessiontoken_len;
528 token = obj->sinfo.sessiontoken;
531 case 8: /* Panther Kerberos Token */
532 tklen = obj->sinfo.cryptedkey_len;
533 token = obj->sinfo.cryptedkey;
545 memcpy(rbuf, &tp, sizeof(tklen));
546 rbuf += sizeof(tklen);
547 *rbuflen += sizeof(tklen);
549 memcpy(rbuf, token, tklen);
555 /* ---------------------- */
556 int afp_disconnect(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *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(AFPObj *obj, char *ibuf, size_t ibuflen, size_t len)
612 if (!len || len > ibuflen)
613 return AFPERR_BADVERS;
615 num = sizeof( afp_versions ) / sizeof( afp_versions[ 0 ]);
616 for ( i = 0; i < num; i++ ) {
617 if ( strncmp( ibuf, afp_versions[ i ].av_name , len ) == 0 ) {
618 afp_version = afp_versions[ i ].av_number;
619 afp_version_index = i;
623 if ( i == num ) /* An inappropo version */
624 return AFPERR_BADVERS ;
626 if (afp_version >= 30 && obj->proto != AFPPROTO_DSI)
627 return AFPERR_BADVERS ;
630 if (afp_version >= 30 && sizeof(off_t) != 8) {
631 LOG(log_error, logtype_afpd, "get_version: no LARGE_FILE support recompile!" );
632 return AFPERR_BADVERS ;
638 /* ---------------------- */
639 int afp_login(AFPObj *obj, char *ibuf, size_t ibuflen, char *rbuf, size_t *rbuflen)
641 struct passwd *pwd = NULL;
648 return send_reply(obj, AFPERR_SHUTDOWN );
651 return send_reply(obj, AFPERR_BADVERS );
654 len = (unsigned char) *ibuf++;
657 i = get_version(obj, ibuf, ibuflen, len);
659 return send_reply(obj, i );
662 return send_reply(obj, AFPERR_BADUAM);
667 len = (unsigned char) *ibuf++;
670 if (!len || len > ibuflen)
671 return send_reply(obj, AFPERR_BADUAM);
673 if (NULL == (afp_uam = auth_uamfind(UAM_SERVER_LOGIN, ibuf, len)) )
674 return send_reply(obj, AFPERR_BADUAM);
678 if (AFP_OK != (i = create_session_key(obj)) )
679 return send_reply(obj, i);
681 i = afp_uam->u.uam_login.login(obj, &pwd, ibuf, ibuflen, rbuf, rbuflen);
683 if (!pwd || ( i != AFP_OK && i != AFPERR_PWDEXPR))
684 return send_reply(obj, i);
686 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((i==AFPERR_PWDEXPR)?1:0)));
689 /* ---------------------- */
690 int afp_login_ext(AFPObj *obj, char *ibuf, size_t ibuflen, char *rbuf, size_t *rbuflen)
692 struct passwd *pwd = NULL;
702 return send_reply(obj, AFPERR_SHUTDOWN );
705 return send_reply(obj, AFPERR_BADVERS );
711 len = (unsigned char) *ibuf;
715 i = get_version(obj, ibuf, ibuflen, len);
717 return send_reply(obj, i );
720 return send_reply(obj, AFPERR_BADUAM);
725 len = (unsigned char) *ibuf;
729 if (!len || len > ibuflen)
730 return send_reply(obj, AFPERR_BADUAM);
732 if ((afp_uam = auth_uamfind(UAM_SERVER_LOGIN, ibuf, len)) == NULL)
733 return send_reply(obj, AFPERR_BADUAM);
737 if (!afp_uam->u.uam_login.login_ext) {
738 LOG(log_error, logtype_afpd, "login_ext: uam %s not AFP 3 ready!", afp_uam->uam_name );
739 return send_reply(obj, AFPERR_BADUAM);
742 if (ibuflen <= 1 +sizeof(len16))
743 return send_reply(obj, AFPERR_PARAM);
749 return send_reply(obj, AFPERR_PARAM);
751 memcpy(&len16, ibuf, sizeof(len16));
752 ibuf += sizeof(len16);
753 ibuflen -= sizeof(len16);
756 return send_reply(obj, AFPERR_PARAM);
760 /* directory service name */
762 return send_reply(obj, AFPERR_PARAM);
771 return send_reply(obj, AFPERR_PARAM);
772 len = (unsigned char) *ibuf;
777 /* With "No User Authen" it is equal */
778 if (ibuflen < sizeof(len16))
779 return send_reply(obj, AFPERR_PARAM);
780 memcpy(&len16, ibuf, sizeof(len16));
781 ibuf += sizeof(len16);
782 ibuflen -= sizeof(len16);
786 return send_reply(obj, AFPERR_PARAM);
790 LOG(log_error, logtype_afpd, "login_ext: directory service path not null!" );
791 return send_reply(obj, AFPERR_PARAM);
798 if (ibuflen && ((unsigned long) ibuf & 1)) { /* pad character */
803 if (AFP_OK != (i = create_session_key(obj)) ) {
804 return send_reply(obj, i);
807 /* FIXME user name are in UTF8 */
808 i = afp_uam->u.uam_login.login_ext(obj, username, &pwd, ibuf, ibuflen, rbuf, rbuflen);
810 if (!pwd || ( i != AFP_OK && i != AFPERR_PWDEXPR))
811 return send_reply(obj, i);
813 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((i==AFPERR_PWDEXPR)?1:0)));
816 /* ---------------------- */
817 int afp_logincont(AFPObj *obj, char *ibuf, size_t ibuflen, char *rbuf, size_t *rbuflen)
819 struct passwd *pwd = NULL;
822 if ( afp_uam == NULL || afp_uam->u.uam_login.logincont == NULL || ibuflen < 2 ) {
824 return send_reply(obj, AFPERR_NOTAUTH );
827 ibuf += 2; ibuflen -= 2;
828 err = afp_uam->u.uam_login.logincont(obj, &pwd, ibuf, ibuflen,
830 if (!pwd || ( err != AFP_OK && err != AFPERR_PWDEXPR))
831 return send_reply(obj, err);
833 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((err==AFPERR_PWDEXPR)?1:0)));
837 int afp_logout(AFPObj *obj, char *ibuf _U_, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen _U_)
839 LOG(log_info, logtype_afpd, "logout %s", obj->username);
847 /* change password --
848 * NOTE: an FPLogin must already have completed successfully for this
849 * to work. this also does a little pre-processing before it hands
852 int afp_changepw(AFPObj *obj, char *ibuf, size_t ibuflen, char *rbuf, size_t *rbuflen)
854 char username[MACFILELEN + 1], *start = ibuf;
863 /* check if password change is allowed, OS-X ignores the flag.
864 * we shouldn't trust the client on this anyway.
865 * not sure about the "right" error code, NOOP for now */
866 if (!(obj->options.passwdbits & PASSWD_SET))
869 /* make sure we can deal w/ this uam */
870 len = (unsigned char) *ibuf++;
871 if ((uam = auth_uamfind(UAM_SERVER_CHANGEPW, ibuf, len)) == NULL)
872 return AFPERR_BADUAM;
875 if ((len + 1) & 1) /* pad byte */
878 if ( afp_version < 30) {
879 len = (unsigned char) *ibuf++;
880 if ( len > sizeof(username) - 1) {
883 memcpy(username, ibuf, len);
884 username[ len ] = '\0';
886 if ((len + 1) & 1) /* pad byte */
889 /* AFP > 3.0 doesn't pass the username, APF 3.1 specs page 124 */
890 if ( ibuf[0] != '\0' || ibuf[1] != '\0')
893 len = MIN(sizeof(username), strlen(obj->username));
894 memcpy(username, obj->username, len);
895 username[ len ] = '\0';
899 LOG(log_info, logtype_afpd, "changing password for <%s>", username);
901 if (( pwd = uam_getname( obj, username, sizeof(username))) == NULL )
904 /* send it off to the uam. we really don't use ibuflen right now. */
905 if (ibuflen < (size_t)(ibuf - start))
908 ibuflen -= (ibuf - start);
909 ret = uam->u.uam_changepw(obj, username, pwd, ibuf, ibuflen,
911 LOG(log_info, logtype_afpd, "password change %s.",
912 (ret == AFPERR_AUTHCONT) ? "continued" :
913 (ret ? "failed" : "succeeded"));
922 int afp_getuserinfo(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
928 LOG(log_debug, logtype_afpd, "begin afp_getuserinfo:");
933 ibuf += sizeof(id); /* userid is not used in AFP 2.0 */
934 memcpy(&bitmap, ibuf, sizeof(bitmap));
935 bitmap = ntohs(bitmap);
937 /* deal with error cases. we don't have to worry about
938 * AFPERR_ACCESS or AFPERR_NOITEM as geteuid and getegid always
942 if ((bitmap & USERIBIT_ALL) != bitmap)
943 return AFPERR_BITMAP;
945 /* copy the bitmap back to reply buffer */
946 memcpy(rbuf, ibuf, sizeof(bitmap));
947 rbuf += sizeof(bitmap);
948 *rbuflen = sizeof(bitmap);
950 /* copy the user/group info */
951 if (bitmap & USERIBIT_USER) {
952 id = htonl(geteuid());
953 memcpy(rbuf, &id, sizeof(id));
955 *rbuflen += sizeof(id);
958 if (bitmap & USERIBIT_GROUP) {
959 id = htonl(getegid());
960 memcpy(rbuf, &id, sizeof(id));
962 *rbuflen += sizeof(id);
965 #ifdef HAVE_NFSv4_ACLS
966 if (bitmap & USERIBIT_UUID) {
971 if ( ! (obj->options.flags & OPTION_UUID))
972 return AFPERR_BITMAP;
973 LOG(log_debug, logtype_afpd, "afp_getuserinfo: get UUID for \'%s\'", obj->username);
974 ret = getuuidfromname( obj->username, UUID_USER, uuid);
976 LOG(log_info, logtype_afpd, "afp_getuserinfo: error getting UUID !");
977 return AFPERR_NOITEM;
979 if (0 == (uuid_bin2string( uuid, &uuidstring))) {
980 LOG(log_debug, logtype_afpd, "afp_getuserinfo: got UUID: %s", uuidstring);
983 memcpy(rbuf, uuid, UUID_BINSIZE);
984 rbuf += UUID_BINSIZE;
985 *rbuflen += UUID_BINSIZE;
989 LOG(log_debug, logtype_afpd, "END afp_getuserinfo:");
993 #define UAM_LIST(type) (((type) == UAM_SERVER_LOGIN || (type) == UAM_SERVER_LOGIN_EXT) ? &uam_login : \
994 (((type) == UAM_SERVER_CHANGEPW) ? \
995 &uam_changepw : NULL))
997 /* just do a linked list search. this could be sped up with a hashed
998 * list, but i doubt anyone's going to have enough uams to matter. */
999 struct uam_obj *auth_uamfind(const int type, const char *name,
1002 struct uam_obj *prev, *start;
1004 if (!name || !(start = UAM_LIST(type)))
1008 while ((prev = prev->uam_prev) != start)
1009 if (strndiacasecmp(prev->uam_name, name, len) == 0)
1015 int auth_register(const int type, struct uam_obj *uam)
1017 struct uam_obj *start;
1019 if (!uam || !uam->uam_name || (*uam->uam_name == '\0'))
1022 if (!(start = UAM_LIST(type)))
1023 return 1; /* we don't know what to do with it, caller must free it */
1025 uam_attach(start, uam);
1029 /* load all of the modules */
1030 int auth_load(const char *path, const char *list)
1032 char name[MAXPATHLEN + 1], buf[MAXPATHLEN + 1], *p;
1033 struct uam_mod *mod;
1037 if (!path || !*path || !list || (len = strlen(path)) > sizeof(name) - 2)
1040 strlcpy(buf, list, sizeof(buf));
1041 if ((p = strtok(buf, ",")) == NULL)
1045 if (name[len - 1] != '/') {
1051 strlcpy(name + len, p, sizeof(name) - len);
1052 LOG(log_debug, logtype_afpd, "uam: loading (%s)", name);
1054 if ((stat(name, &st) == 0) && (mod = uam_load(name, p))) {
1056 if (stat(name, &st) == 0) {
1057 if ((mod = uam_load(name, p))) {
1058 uam_attach(&uam_modules, mod);
1059 LOG(log_info, logtype_afpd, "uam: %s loaded", p);
1061 LOG(log_info, logtype_afpd, "uam: %s load failure",p);
1064 LOG(log_info, logtype_afpd, "uam: uam not found (status=%d)", stat(name, &st));
1066 p = strtok(NULL, ",");
1072 /* get rid of all of the uams */
1073 void auth_unload(void)
1075 struct uam_mod *mod, *prev, *start = &uam_modules;
1077 prev = start->uam_prev;
1078 while ((mod = prev) != start) {
1079 prev = prev->uam_prev;