2 * $Id: auth.c,v 1.54 2009-02-02 11:55:00 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
55 static int afp_version_index;
59 #if defined( sun ) && !defined( __svr4__ ) || defined( ultrix )
62 #define GROUPS_SIZE sizeof(int)
64 #else /* sun __svr4__ ultrix */
67 #define GROUPS_SIZE sizeof(gid_t)
68 #endif /* sun ultrix */
73 * These numbers are scattered throughout the code.
75 static struct afp_versions afp_versions[] = {
76 { "AFPVersion 1.1", 11 },
77 { "AFPVersion 2.0", 20 },
78 { "AFPVersion 2.1", 21 },
87 static struct uam_mod uam_modules = {NULL, NULL, &uam_modules, &uam_modules};
88 static struct uam_obj uam_login = {"", "", 0, {{NULL, NULL, NULL, NULL }}, &uam_login,
90 static struct uam_obj uam_changepw = {"", "", 0, {{NULL, NULL, NULL, NULL}}, &uam_changepw,
93 static struct uam_obj *afp_uam = NULL;
96 void status_versions( 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(obj, ibuf, ibuflen, rbuf, rbuflen )
163 char *ibuf _U_, *rbuf _U_;
164 int ibuflen _U_, *rbuflen;
167 return AFPERR_PWDEXPR;
171 static int set_auth_switch(int expired)
177 * BF: expired password handling
178 * to allow the user to change his/her password we have to allow login
179 * but every following call except for FPChangePassword will be thrown
180 * away with an AFPERR_PWDEXPR error. (thanks to Leland Wallace from Apple
181 * for clarifying this)
184 for (i=0; i<=0xff; i++) {
185 uam_afpserver_action(i, UAM_AFPSERVER_PREAUTH, afp_errpwdexpired, NULL);
187 uam_afpserver_action(AFP_LOGOUT, UAM_AFPSERVER_PREAUTH, afp_logout, NULL);
188 uam_afpserver_action(AFP_CHANGEPW, UAM_AFPSERVER_PREAUTH, afp_changepw, NULL);
191 afp_switch = postauth_switch;
192 switch (afp_version) {
194 #ifdef HAVE_NFSv4_ACLS
195 uam_afpserver_action(21, UAM_AFPSERVER_POSTAUTH, afp_mapid, NULL);
196 uam_afpserver_action(22, UAM_AFPSERVER_POSTAUTH, afp_mapname, NULL);
197 uam_afpserver_action(73, UAM_AFPSERVER_POSTAUTH, afp_getacl, NULL);
198 uam_afpserver_action(74, UAM_AFPSERVER_POSTAUTH, afp_setacl, NULL);
199 uam_afpserver_action(75, UAM_AFPSERVER_POSTAUTH, afp_access, NULL);
202 uam_afpserver_action(AFP_ENUMERATE_EXT2, UAM_AFPSERVER_POSTAUTH, afp_enumerate_ext2, NULL);
204 uam_afpserver_action(AFP_ENUMERATE_EXT, UAM_AFPSERVER_POSTAUTH, afp_enumerate_ext, NULL);
205 uam_afpserver_action(AFP_BYTELOCK_EXT, UAM_AFPSERVER_POSTAUTH, afp_bytelock_ext, NULL);
206 /* catsearch_ext uses the same packet as catsearch FIXME double check this, it wasn't true for enue
208 uam_afpserver_action(AFP_CATSEARCH_EXT, UAM_AFPSERVER_POSTAUTH, afp_catsearch_ext, NULL);
209 uam_afpserver_action(AFP_GETSESSTOKEN, UAM_AFPSERVER_POSTAUTH, afp_getsession, NULL);
210 uam_afpserver_action(AFP_READ_EXT, UAM_AFPSERVER_POSTAUTH, afp_read_ext, NULL);
211 uam_afpserver_action(AFP_WRITE_EXT, UAM_AFPSERVER_POSTAUTH, afp_write_ext, NULL);
212 uam_afpserver_action(AFP_DISCTOLDSESS, UAM_AFPSERVER_POSTAUTH, afp_disconnect, NULL);
216 * If first connection to a server is done in classic AFP2.2 version is used
217 * but OSX uses AFP3.x FPzzz command !
219 uam_afpserver_action(AFP_ZZZ, UAM_AFPSERVER_POSTAUTH, afp_zzz, NULL);
227 static int login(AFPObj *obj, struct passwd *pwd, void (*logout)(void), int expired)
231 #endif /* ADMIN_GRP */
233 /* UAM had syslog control; afpd needs to reassert itself */
234 set_processname("afpd");
235 syslog_setup(log_debug, logtype_default, logoption_ndelay|logoption_pid, logfacility_daemon);
237 if ( pwd->pw_uid == 0 ) { /* don't allow root login */
238 LOG(log_error, logtype_afpd, "login: root login denied!" );
239 return AFPERR_NOTAUTH;
242 LOG(log_info, logtype_afpd, "login %s (uid %d, gid %d) %s", pwd->pw_name,
243 pwd->pw_uid, pwd->pw_gid , afp_versions[afp_version_index].av_name);
246 if (obj->proto == AFPPROTO_ASP) {
247 ASP asp = obj->handle;
248 int addr_net = ntohs( asp->asp_sat.sat_addr.s_net );
249 int addr_node = asp->asp_sat.sat_addr.s_node;
251 if (obj->options.authprintdir) {
252 if(addr_net && addr_node) { /* Do we have a valid Appletalk address? */
255 int mypid = getpid();
256 struct stat stat_buf;
258 sprintf(nodename, "%s/net%d.%dnode%d", obj->options.authprintdir,
259 addr_net / 256, addr_net % 256, addr_node);
260 LOG(log_info, logtype_afpd, "registering %s (uid %d) on %u.%u as %s",
261 pwd->pw_name, pwd->pw_uid, addr_net, addr_node, nodename);
263 if (stat(nodename, &stat_buf) == 0) { /* file exists */
264 if (S_ISREG(stat_buf.st_mode)) { /* normal file */
266 fp = fopen(nodename, "w");
267 fprintf(fp, "%s:%d\n", pwd->pw_name, mypid);
269 chown( nodename, pwd->pw_uid, -1 );
270 } else { /* somebody is messing with us */
271 LOG(log_error, logtype_afpd, "print authfile %s is not a normal file, it will not be modified", nodename );
273 } else { /* file 'nodename' does not exist */
274 fp = fopen(nodename, "w");
275 fprintf(fp, "%s:%d\n", pwd->pw_name, mypid);
277 chown( nodename, pwd->pw_uid, -1 );
279 } /* if (addr_net && addr_node ) */
280 } /* if (options->authprintdir) */
281 } /* if (obj->proto == AFPPROTO_ASP) */
284 if (initgroups( pwd->pw_name, pwd->pw_gid ) < 0) {
286 LOG(log_info, logtype_afpd, "running with uid %d", geteuid());
287 #else /* RUN_AS_USER */
288 LOG(log_error, logtype_afpd, "login: %s", strerror(errno));
289 return AFPERR_BADUAM;
290 #endif /* RUN_AS_USER */
294 /* Basically if the user is in the admin group, we stay root */
296 if (( ngroups = getgroups( 0, NULL )) < 0 ) {
297 LOG(log_error, logtype_afpd, "login: %s getgroups: %s", pwd->pw_name, strerror(errno) );
298 return AFPERR_BADUAM;
301 if ( NULL == (groups = calloc(ngroups, GROUPS_SIZE)) ) {
302 LOG(log_error, logtype_afpd, "login: %s calloc: %d", ngroups);
303 return AFPERR_BADUAM;
306 if (( ngroups = getgroups( ngroups, groups )) < 0 ) {
307 LOG(log_error, logtype_afpd, "login: %s getgroups: %s", pwd->pw_name, strerror(errno) );
308 return AFPERR_BADUAM;
313 LOG(log_info, logtype_afpd, "obj->options.admingid == %d", obj->options.admingid);
315 if (obj->options.admingid != 0) {
317 for (i = 0; i < ngroups; i++) {
318 if (groups[i] == obj->options.admingid) admin = 1;
323 LOG(log_info, logtype_afpd, "admin login -- %s", pwd->pw_name );
329 struct DSI *dsi = obj->handle;
336 afp_get_cmdline( &argc, &argv );
338 hp = gethostbyaddr( (char *) &dsi->client.sin_addr,
339 sizeof( struct in_addr ),
340 dsi->client.sin_family );
343 clientname = hp->h_name;
345 clientname = inet_ntoa( dsi->client.sin_addr );
347 sprintf( hostname, "%s@%s", pwd->pw_name, clientname );
349 if( sia_become_user( NULL, argc, argv, hostname, pwd->pw_name,
350 NULL, FALSE, NULL, NULL,
351 SIA_BEU_REALLOGIN ) != SIASUCCESS )
352 return AFPERR_BADUAM;
354 LOG(log_info, logtype_afpd, "session from %s (%s)", hostname,
355 inet_ntoa( dsi->client.sin_addr ) );
357 if (setegid( pwd->pw_gid ) < 0 || seteuid( pwd->pw_uid ) < 0) {
358 LOG(log_error, logtype_afpd, "login: %s %s", pwd->pw_name, strerror(errno) );
359 return AFPERR_BADUAM;
363 if (setegid( pwd->pw_gid ) < 0 || seteuid( pwd->pw_uid ) < 0) {
364 LOG(log_error, logtype_afpd, "login: %s %s", pwd->pw_name, strerror(errno) );
365 return AFPERR_BADUAM;
369 /* There's probably a better way to do this, but for now, we just
375 #endif /* ADMIN_GRP */
378 set_auth_switch(expired);
380 obj->logout = logout;
384 save_uidgid ( &obj->uidgid );
390 /* ---------------------- */
391 int afp_zzz (obj, ibuf, ibuflen, rbuf, rbuflen ) /* Function 122 */
393 char *ibuf _U_, *rbuf;
394 unsigned int ibuflen _U_, *rbuflen;
400 retdata = obj->options.sleep /120;
404 *rbuflen = sizeof(retdata);
405 retdata = htonl(retdata);
406 memcpy(rbuf, &retdata, sizeof(retdata));
409 rbuf += sizeof(retdata);
413 /* ---------------------- */
414 static int create_session_token(AFPObj *obj)
418 /* use 8 bytes for token as OSX, don't know if it helps */
419 if ( sizeof(pid_t) > SESSIONTOKEN_LEN) {
420 LOG(log_error, logtype_afpd, "sizeof(pid_t) > %u", SESSIONTOKEN_LEN );
424 if ( NULL == (obj->sinfo.sessiontoken = malloc(SESSIONTOKEN_LEN)) )
427 memset(obj->sinfo.sessiontoken, 0, SESSIONTOKEN_LEN);
428 obj->sinfo.sessiontoken_len = SESSIONTOKEN_LEN;
430 memcpy(obj->sinfo.sessiontoken, &pid, sizeof(pid_t));
435 static int create_session_key(AFPObj *obj)
437 /* create session key */
438 if (obj->sinfo.sessionkey == NULL) {
439 if (NULL == (obj->sinfo.sessionkey = malloc(SESSIONKEY_LEN)) )
441 uam_random_string(obj, obj->sinfo.sessionkey, SESSIONKEY_LEN);
442 obj->sinfo.sessionkey_len = SESSIONKEY_LEN;
448 /* ---------------------- */
449 int afp_getsession(obj, ibuf, ibuflen, rbuf, rbuflen )
452 unsigned int ibuflen, *rbuflen;
467 memcpy(&type, ibuf, sizeof(type));
469 ibuf += sizeof(type);
470 ibuflen -= sizeof(type);
472 if ( obj->sinfo.sessiontoken == NULL ) {
473 if ( create_session_token( obj ) )
481 case 0: /* old version ?*/
482 tklen = obj->sinfo.sessiontoken_len;
483 token = obj->sinfo.sessiontoken;
485 case 1: /* disconnect */
486 case 2: /* reconnect update id */
487 if (ibuflen >= sizeof(idlen)) {
488 memcpy(&idlen, ibuf, sizeof(idlen));
489 idlen = ntohl(idlen);
490 ibuf += sizeof(idlen);
491 ibuflen -= sizeof(idlen);
492 if (ibuflen < idlen) {
495 /* memcpy (id, ibuf, idlen) */
496 tklen = obj->sinfo.sessiontoken_len;
497 token = obj->sinfo.sessiontoken;
504 memcpy( &idlen, ibuf, sizeof(idlen));
505 idlen = ntohl(idlen);
506 ibuf += sizeof(idlen);
507 ibuflen -= sizeof(idlen);
508 ibuf += sizeof(boottime);
509 ibuflen -= sizeof(boottime);
510 if (ibuflen < idlen || idlen > (90-10)) {
513 server_ipc_write(IPC_GETSESSION, idlen+8, p );
514 tklen = obj->sinfo.sessiontoken_len;
515 token = obj->sinfo.sessiontoken;
518 case 8: /* Panther Kerberos Token */
519 tklen = obj->sinfo.cryptedkey_len;
520 token = obj->sinfo.cryptedkey;
532 memcpy(rbuf, &tp, sizeof(tklen));
533 rbuf += sizeof(tklen);
534 *rbuflen += sizeof(tklen);
536 memcpy(rbuf, token, tklen);
542 /* ---------------------- */
543 int afp_disconnect(obj, ibuf, ibuflen, rbuf, rbuflen )
545 char *ibuf, *rbuf _U_;
546 int ibuflen _U_, *rbuflen;
558 /* check for guest user */
559 if ( 0 == (strcasecmp(obj->username, obj->options.guest)) ) {
564 memcpy(&type, ibuf, sizeof(type));
566 ibuf += sizeof(type);
568 memcpy(&tklen, ibuf, sizeof(tklen));
569 tklen = ntohl(tklen);
570 ibuf += sizeof(tklen);
572 if ( sizeof(pid_t) > SESSIONTOKEN_LEN) {
573 LOG(log_error, logtype_afpd, "sizeof(pid_t) > %u", SESSIONTOKEN_LEN );
576 if (tklen != SESSIONTOKEN_LEN) {
579 tklen = sizeof(pid_t);
580 memcpy(&token, ibuf, tklen);
582 /* our stuff is pid + zero pad */
584 for (i = tklen; i < SESSIONTOKEN_LEN; i++, ibuf++) {
590 /* killed old session, not easy */
591 server_ipc_write(IPC_KILLTOKEN, tklen, &token);
594 return AFPERR_SESSCLOS; /* was AFP_OK */
597 /* ---------------------- */
598 static int get_version(obj, ibuf, ibuflen, len)
606 if (!len || len > ibuflen)
607 return AFPERR_BADVERS;
609 num = sizeof( afp_versions ) / sizeof( afp_versions[ 0 ]);
610 for ( i = 0; i < num; i++ ) {
611 if ( strncmp( ibuf, afp_versions[ i ].av_name , len ) == 0 ) {
612 afp_version = afp_versions[ i ].av_number;
613 afp_version_index = i;
617 if ( i == num ) /* An inappropo version */
618 return AFPERR_BADVERS ;
620 if (afp_version >= 30 && obj->proto != AFPPROTO_DSI)
621 return AFPERR_BADVERS ;
624 if (afp_version >= 30 && sizeof(off_t) != 8) {
625 LOG(log_error, logtype_afpd, "get_version: no LARGE_FILE support recompile!" );
626 return AFPERR_BADVERS ;
632 /* ---------------------- */
633 int afp_login(obj, ibuf, ibuflen, rbuf, rbuflen )
636 int ibuflen, *rbuflen;
638 struct passwd *pwd = NULL;
644 return send_reply(obj, AFPERR_SHUTDOWN );
647 return send_reply(obj, AFPERR_BADVERS );
650 len = (unsigned char) *ibuf++;
653 i = get_version(obj, ibuf, ibuflen, len);
655 return send_reply(obj, i );
661 return send_reply(obj, AFPERR_BADUAM);
663 len = (unsigned char) *ibuf++;
666 if (!len || len > ibuflen)
667 return send_reply(obj, AFPERR_BADUAM);
669 if (NULL == (afp_uam = auth_uamfind(UAM_SERVER_LOGIN, ibuf, len)) )
670 return send_reply(obj, AFPERR_BADUAM);
674 if (AFP_OK != (i = create_session_key(obj)) )
675 return send_reply(obj, i);
677 i = afp_uam->u.uam_login.login(obj, &pwd, ibuf, ibuflen, rbuf, rbuflen);
679 if (!pwd || ( i != AFP_OK && i != AFPERR_PWDEXPR))
680 return send_reply(obj, i);
682 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((i==AFPERR_PWDEXPR)?1:0)));
685 /* ---------------------- */
686 int afp_login_ext(obj, ibuf, ibuflen, rbuf, rbuflen )
689 unsigned int ibuflen, *rbuflen;
691 struct passwd *pwd = NULL;
701 return send_reply(obj, AFPERR_SHUTDOWN );
704 return send_reply(obj, AFPERR_BADVERS );
710 len = (unsigned char) *ibuf;
714 i = get_version(obj, ibuf, ibuflen, len);
716 return send_reply(obj, i );
722 return send_reply(obj, AFPERR_BADUAM);
724 len = (unsigned char) *ibuf;
728 if (!len || len > ibuflen)
729 return send_reply(obj, AFPERR_BADUAM);
731 if ((afp_uam = auth_uamfind(UAM_SERVER_LOGIN, ibuf, len)) == NULL)
732 return send_reply(obj, AFPERR_BADUAM);
736 if (!afp_uam->u.uam_login.login_ext) {
737 LOG(log_error, logtype_afpd, "login_ext: uam %s not AFP 3 ready!", afp_uam->uam_name );
738 return send_reply(obj, AFPERR_BADUAM);
741 if (len <= 1 +sizeof(len16))
742 return send_reply(obj, AFPERR_PARAM);
748 return send_reply(obj, AFPERR_PARAM);
750 memcpy(&len16, ibuf, sizeof(len16));
751 ibuf += sizeof(len16);
752 ibuflen -= sizeof(len16);
755 return send_reply(obj, AFPERR_PARAM);
759 /* directory service name */
761 return send_reply(obj, AFPERR_PARAM);
770 return send_reply(obj, AFPERR_PARAM);
771 len = (unsigned char) *ibuf;
776 /* With "No User Authen" it is equal */
777 if (ibuflen < sizeof(len16))
778 return send_reply(obj, AFPERR_PARAM);
779 memcpy(&len16, ibuf, sizeof(len16));
780 ibuf += sizeof(len16);
781 ibuflen -= sizeof(len16);
785 return send_reply(obj, AFPERR_PARAM);
789 LOG(log_error, logtype_afpd, "login_ext: directory service path not null!" );
790 return send_reply(obj, AFPERR_PARAM);
797 if (ibuflen && ((unsigned long) ibuf & 1)) { /* pad character */
802 if (AFP_OK != (i = create_session_key(obj)) ) {
803 return send_reply(obj, i);
806 /* FIXME user name are in UTF8 */
807 i = afp_uam->u.uam_login.login_ext(obj, username, &pwd, ibuf, ibuflen, rbuf, rbuflen);
809 if (!pwd || ( i != AFP_OK && i != AFPERR_PWDEXPR))
810 return send_reply(obj, i);
812 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((i==AFPERR_PWDEXPR)?1:0)));
815 /* ---------------------- */
816 int afp_logincont(obj, ibuf, ibuflen, rbuf, rbuflen)
819 int ibuflen, *rbuflen;
821 struct passwd *pwd = NULL;
824 if ( afp_uam == NULL || afp_uam->u.uam_login.logincont == NULL ) {
826 return send_reply(obj, AFPERR_NOTAUTH );
829 ibuf += 2; ibuflen -= 2;
830 err = afp_uam->u.uam_login.logincont(obj, &pwd, ibuf, ibuflen,
832 if (!pwd || ( err != AFP_OK && err != AFPERR_PWDEXPR))
833 return send_reply(obj, err);
835 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((err==AFPERR_PWDEXPR)?1:0)));
839 int afp_logout(obj, ibuf, ibuflen, rbuf, rbuflen)
841 char *ibuf _U_, *rbuf _U_;
842 int ibuflen _U_, *rbuflen _U_;
844 LOG(log_info, logtype_afpd, "logout %s", obj->username);
852 /* change password --
853 * NOTE: an FPLogin must already have completed successfully for this
854 * to work. this also does a little pre-processing before it hands
857 int afp_changepw(obj, ibuf, ibuflen, rbuf, rbuflen )
860 int ibuflen, *rbuflen;
862 char username[MACFILELEN + 1], *start = ibuf;
871 /* check if password change is allowed, OS-X ignores the flag.
872 * we shouldn't trust the client on this anyway.
873 * not sure about the "right" error code, NOOP for now */
874 if (!(obj->options.passwdbits & PASSWD_SET))
877 /* make sure we can deal w/ this uam */
878 len = (unsigned char) *ibuf++;
879 if ((uam = auth_uamfind(UAM_SERVER_CHANGEPW, ibuf, len)) == NULL)
880 return AFPERR_BADUAM;
883 if ((len + 1) & 1) /* pad byte */
886 if ( afp_version < 30) {
887 len = (unsigned char) *ibuf++;
888 if ( len > sizeof(username) - 1) {
891 memcpy(username, ibuf, len);
892 username[ len ] = '\0';
894 if ((len + 1) & 1) /* pad byte */
897 /* AFP > 3.0 doesn't pass the username, APF 3.1 specs page 124 */
898 if ( ibuf[0] != '\0' || ibuf[1] != '\0')
901 len = MIN(sizeof(username), strlen(obj->username));
902 memcpy(username, obj->username, len);
903 username[ len ] = '\0';
907 LOG(log_info, logtype_afpd, "changing password for <%s>", username);
909 if (( pwd = uam_getname( obj, username, sizeof(username))) == NULL )
912 /* send it off to the uam. we really don't use ibuflen right now. */
913 ibuflen -= (ibuf - start);
914 ret = uam->u.uam_changepw(obj, username, pwd, ibuf, ibuflen,
916 LOG(log_info, logtype_afpd, "password change %s.",
917 (ret == AFPERR_AUTHCONT) ? "continued" :
918 (ret ? "failed" : "succeeded"));
927 int afp_getuserinfo(obj, ibuf, ibuflen, rbuf, rbuflen )
930 int ibuflen _U_, *rbuflen;
939 LOG(log_debug, logtype_afpd, "begin afp_getuserinfo:");
944 ibuf += sizeof(id); /* userid is not used in AFP 2.0 */
945 memcpy(&bitmap, ibuf, sizeof(bitmap));
946 bitmap = ntohs(bitmap);
948 /* deal with error cases. we don't have to worry about
949 * AFPERR_ACCESS or AFPERR_NOITEM as geteuid and getegid always
953 if ((bitmap & USERIBIT_ALL) != bitmap)
954 return AFPERR_BITMAP;
956 /* copy the bitmap back to reply buffer */
957 memcpy(rbuf, ibuf, sizeof(bitmap));
958 rbuf += sizeof(bitmap);
959 *rbuflen = sizeof(bitmap);
961 /* copy the user/group info */
962 if (bitmap & USERIBIT_USER) {
963 id = htonl(geteuid());
964 memcpy(rbuf, &id, sizeof(id));
966 *rbuflen += sizeof(id);
969 if (bitmap & USERIBIT_GROUP) {
970 id = htonl(getegid());
971 memcpy(rbuf, &id, sizeof(id));
973 *rbuflen += sizeof(id);
976 #ifdef HAVE_NFSv4_ACLS
977 if (bitmap & USERIBIT_UUID) {
978 if ( ! (obj->options.flags & OPTION_UUID))
979 return AFPERR_BITMAP;
980 LOG(log_debug, logtype_afpd, "afp_getuserinfo: get UUID for \'%s\'", obj->username);
981 ret = getuuidfromname( obj->username, UUID_USER, uuid);
983 LOG(log_info, logtype_afpd, "afp_getuserinfo: error getting UUID !");
984 return AFPERR_NOITEM;
986 uuid_bin2string( uuid, &uuidstring);
987 LOG(log_debug, logtype_afpd, "afp_getuserinfo: got UUID: %s", uuidstring);
989 memcpy(rbuf, uuid, UUID_BINSIZE);
990 rbuf += UUID_BINSIZE;
991 *rbuflen += UUID_BINSIZE;
995 LOG(log_debug, logtype_afpd, "END afp_getuserinfo:");
998 #define UAM_LIST(type) (((type) == UAM_SERVER_LOGIN || (type) == UAM_SERVER_LOGIN_EXT) ? &uam_login : \
999 (((type) == UAM_SERVER_CHANGEPW) ? \
1000 &uam_changepw : NULL))
1002 /* just do a linked list search. this could be sped up with a hashed
1003 * list, but i doubt anyone's going to have enough uams to matter. */
1004 struct uam_obj *auth_uamfind(const int type, const char *name,
1007 struct uam_obj *prev, *start;
1009 if (!name || !(start = UAM_LIST(type)))
1013 while ((prev = prev->uam_prev) != start)
1014 if (strndiacasecmp(prev->uam_name, name, len) == 0)
1020 int auth_register(const int type, struct uam_obj *uam)
1022 struct uam_obj *start;
1024 if (!uam || !uam->uam_name || (*uam->uam_name == '\0'))
1027 if (!(start = UAM_LIST(type)))
1028 return 1; /* we don't know what to do with it, caller must free it */
1030 uam_attach(start, uam);
1034 /* load all of the modules */
1035 int auth_load(const char *path, const char *list)
1037 char name[MAXPATHLEN + 1], buf[MAXPATHLEN + 1], *p;
1038 struct uam_mod *mod;
1042 if (!path || !*path || !list || (len = strlen(path)) > sizeof(name) - 2)
1045 strlcpy(buf, list, sizeof(buf));
1046 if ((p = strtok(buf, ",")) == NULL)
1050 if (name[len - 1] != '/') {
1056 strlcpy(name + len, p, sizeof(name) - len);
1057 LOG(log_debug, logtype_afpd, "uam: loading (%s)", name);
1059 if ((stat(name, &st) == 0) && (mod = uam_load(name, p))) {
1061 if (stat(name, &st) == 0) {
1062 if ((mod = uam_load(name, p))) {
1063 uam_attach(&uam_modules, mod);
1064 LOG(log_info, logtype_afpd, "uam: %s loaded", p);
1066 LOG(log_info, logtype_afpd, "uam: %s load failure",p);
1069 LOG(log_info, logtype_afpd, "uam: uam not found (status=%d)", stat(name, &st));
1071 p = strtok(NULL, ",");
1077 /* get rid of all of the uams */
1080 struct uam_mod *mod, *prev, *start = &uam_modules;
1082 prev = start->uam_prev;
1083 while ((mod = prev) != start) {
1084 prev = prev->uam_prev;