2 * $Id: auth.c,v 1.66 2009-10-02 09:32:40 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 );
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( data )
104 memcpy(&status, start + AFPSTATUS_VERSOFF, sizeof(status));
105 num = sizeof( afp_versions ) / sizeof( afp_versions[ 0 ] );
106 data += ntohs( status );
108 for ( i = 0; i < num; i++ ) {
109 len = strlen( afp_versions[ i ].av_name );
111 memcpy( data, afp_versions[ i ].av_name , len );
114 status = htons( data - start );
115 memcpy(start + AFPSTATUS_UAMSOFF, &status, sizeof(status));
118 void status_uams(char *data, const char *authlist)
122 struct uam_obj *uams;
125 memcpy(&status, start + AFPSTATUS_UAMSOFF, sizeof(status));
127 while ((uams = uams->uam_prev) != &uam_login) {
128 if (strstr(authlist, uams->uam_path))
132 data += ntohs( status );
134 while ((uams = uams->uam_prev) != &uam_login) {
135 if (strstr(authlist, uams->uam_path)) {
136 LOG(log_info, logtype_afpd, "uam: \"%s\" available", uams->uam_name);
137 len = strlen( uams->uam_name);
139 memcpy( data, uams->uam_name, len );
145 status = htons(data - start);
146 memcpy(start + AFPSTATUS_ICONOFF, &status, sizeof(status));
149 /* handle errors by closing the connection. this is only needed
150 * by the afp_* functions. */
151 static int send_reply(const AFPObj *obj, const int err)
153 if ((err == AFP_OK) || (err == AFPERR_AUTHCONT))
156 obj->reply(obj->handle, err);
162 static int afp_errpwdexpired(obj, ibuf, ibuflen, rbuf, rbuflen )
164 char *ibuf _U_, *rbuf _U_;
165 int ibuflen _U_, *rbuflen;
168 return AFPERR_PWDEXPR;
171 static int afp_null_nolog(obj, ibuf, ibuflen, rbuf, rbuflen )
173 char *ibuf _U_, *rbuf _U_;
174 int ibuflen _U_, *rbuflen;
177 return( AFPERR_NOOP );
180 static int set_auth_switch(int expired)
186 * BF: expired password handling
187 * to allow the user to change his/her password we have to allow login
188 * but every following call except for FPChangePassword will be thrown
189 * away with an AFPERR_PWDEXPR error. (thanks to Leland Wallace from Apple
190 * for clarifying this)
193 for (i=0; i<=0xff; i++) {
194 uam_afpserver_action(i, UAM_AFPSERVER_PREAUTH, afp_errpwdexpired, NULL);
196 uam_afpserver_action(AFP_LOGOUT, UAM_AFPSERVER_PREAUTH, afp_logout, NULL);
197 uam_afpserver_action(AFP_CHANGEPW, UAM_AFPSERVER_PREAUTH, afp_changepw, NULL);
200 afp_switch = postauth_switch;
201 switch (afp_version) {
203 #ifdef HAVE_NFSv4_ACLS
204 uam_afpserver_action(AFP_GETACL, UAM_AFPSERVER_POSTAUTH, afp_getacl, NULL);
205 uam_afpserver_action(AFP_SETACL, UAM_AFPSERVER_POSTAUTH, afp_setacl, NULL);
206 uam_afpserver_action(AFP_ACCESS, UAM_AFPSERVER_POSTAUTH, afp_access, NULL);
208 uam_afpserver_action(AFP_GETEXTATTR, UAM_AFPSERVER_POSTAUTH, afp_getextattr, NULL);
209 uam_afpserver_action(AFP_SETEXTATTR, UAM_AFPSERVER_POSTAUTH, afp_setextattr, NULL);
210 uam_afpserver_action(AFP_REMOVEATTR, UAM_AFPSERVER_POSTAUTH, afp_remextattr, NULL);
211 uam_afpserver_action(AFP_LISTEXTATTR, UAM_AFPSERVER_POSTAUTH, afp_listextattr, NULL);
213 uam_afpserver_action(AFP_SYNCDIR, UAM_AFPSERVER_POSTAUTH, afp_syncdir, NULL);
214 uam_afpserver_action(AFP_SYNCFORK, UAM_AFPSERVER_POSTAUTH, afp_syncfork, NULL);
215 uam_afpserver_action(AFP_SPOTLIGHT_PRIVATE, UAM_AFPSERVER_POSTAUTH, afp_null_nolog, NULL);
216 uam_afpserver_action(AFP_ENUMERATE_EXT2, UAM_AFPSERVER_POSTAUTH, afp_enumerate_ext2, NULL);
218 uam_afpserver_action(AFP_ENUMERATE_EXT, UAM_AFPSERVER_POSTAUTH, afp_enumerate_ext, NULL);
219 uam_afpserver_action(AFP_BYTELOCK_EXT, UAM_AFPSERVER_POSTAUTH, afp_bytelock_ext, NULL);
220 /* catsearch_ext uses the same packet as catsearch FIXME double check this, it wasn't true for enue
222 uam_afpserver_action(AFP_CATSEARCH_EXT, UAM_AFPSERVER_POSTAUTH, afp_catsearch_ext, NULL);
223 uam_afpserver_action(AFP_GETSESSTOKEN, UAM_AFPSERVER_POSTAUTH, afp_getsession, NULL);
224 uam_afpserver_action(AFP_READ_EXT, UAM_AFPSERVER_POSTAUTH, afp_read_ext, NULL);
225 uam_afpserver_action(AFP_WRITE_EXT, UAM_AFPSERVER_POSTAUTH, afp_write_ext, NULL);
226 uam_afpserver_action(AFP_DISCTOLDSESS, UAM_AFPSERVER_POSTAUTH, afp_disconnect, NULL);
230 * If first connection to a server is done in classic AFP2.2 version is used
231 * but OSX uses AFP3.x FPzzz command !
233 uam_afpserver_action(AFP_ZZZ, UAM_AFPSERVER_POSTAUTH, afp_zzz, NULL);
241 static int login(AFPObj *obj, struct passwd *pwd, void (*logout)(void), int expired)
245 #endif /* ADMIN_GRP */
248 set_processname("afpd");
251 if ( pwd->pw_uid == 0 ) { /* don't allow root login */
252 LOG(log_error, logtype_afpd, "login: root login denied!" );
253 return AFPERR_NOTAUTH;
256 LOG(log_info, logtype_afpd, "login %s (uid %d, gid %d) %s", pwd->pw_name,
257 pwd->pw_uid, pwd->pw_gid , afp_versions[afp_version_index].av_name);
260 if (obj->proto == AFPPROTO_ASP) {
261 ASP asp = obj->handle;
262 int addr_net = ntohs( asp->asp_sat.sat_addr.s_net );
263 int addr_node = asp->asp_sat.sat_addr.s_node;
265 if (obj->options.authprintdir) {
266 if(addr_net && addr_node) { /* Do we have a valid Appletalk address? */
269 int mypid = getpid();
270 struct stat stat_buf;
272 sprintf(nodename, "%s/net%d.%dnode%d", obj->options.authprintdir,
273 addr_net / 256, addr_net % 256, addr_node);
274 LOG(log_info, logtype_afpd, "registering %s (uid %d) on %u.%u as %s",
275 pwd->pw_name, pwd->pw_uid, addr_net, addr_node, nodename);
277 if (stat(nodename, &stat_buf) == 0) { /* file exists */
278 if (S_ISREG(stat_buf.st_mode)) { /* normal file */
280 fp = fopen(nodename, "w");
281 fprintf(fp, "%s:%d\n", pwd->pw_name, mypid);
283 chown( nodename, pwd->pw_uid, -1 );
284 } else { /* somebody is messing with us */
285 LOG(log_error, logtype_afpd, "print authfile %s is not a normal file, it will not be modified", nodename );
287 } else { /* file 'nodename' does not exist */
288 fp = fopen(nodename, "w");
289 fprintf(fp, "%s:%d\n", pwd->pw_name, mypid);
291 chown( nodename, pwd->pw_uid, -1 );
293 } /* if (addr_net && addr_node ) */
294 } /* if (options->authprintdir) */
295 } /* if (obj->proto == AFPPROTO_ASP) */
298 if (initgroups( pwd->pw_name, pwd->pw_gid ) < 0) {
300 LOG(log_info, logtype_afpd, "running with uid %d", geteuid());
301 #else /* RUN_AS_USER */
302 LOG(log_error, logtype_afpd, "login: %s", strerror(errno));
303 return AFPERR_BADUAM;
304 #endif /* RUN_AS_USER */
308 /* Basically if the user is in the admin group, we stay root */
310 if (( ngroups = getgroups( 0, NULL )) < 0 ) {
311 LOG(log_error, logtype_afpd, "login: %s getgroups: %s", pwd->pw_name, strerror(errno) );
312 return AFPERR_BADUAM;
315 if ( NULL == (groups = calloc(ngroups, GROUPS_SIZE)) ) {
316 LOG(log_error, logtype_afpd, "login: %s calloc: %d", ngroups);
317 return AFPERR_BADUAM;
320 if (( ngroups = getgroups( ngroups, groups )) < 0 ) {
321 LOG(log_error, logtype_afpd, "login: %s getgroups: %s", pwd->pw_name, strerror(errno) );
322 return AFPERR_BADUAM;
326 LOG(log_debug, logtype_afpd, "obj->options.admingid == %d", obj->options.admingid);
328 if (obj->options.admingid != 0) {
330 for (i = 0; i < ngroups; i++) {
331 if (groups[i] == obj->options.admingid) admin = 1;
336 LOG(log_info, logtype_afpd, "admin login -- %s", pwd->pw_name );
339 #endif /* ADMIN_GRP */
342 struct DSI *dsi = obj->handle;
349 afp_get_cmdline( &argc, &argv );
351 hp = gethostbyaddr( (char *) &dsi->client.sin_addr,
352 sizeof( struct in_addr ),
353 dsi->client.sin_family );
356 clientname = hp->h_name;
358 clientname = inet_ntoa( dsi->client.sin_addr );
360 sprintf( hostname, "%s@%s", pwd->pw_name, clientname );
362 if( sia_become_user( NULL, argc, argv, hostname, pwd->pw_name,
363 NULL, FALSE, NULL, NULL,
364 SIA_BEU_REALLOGIN ) != SIASUCCESS )
365 return AFPERR_BADUAM;
367 LOG(log_info, logtype_afpd, "session from %s (%s)", hostname,
368 inet_ntoa( dsi->client.sin_addr ) );
370 if (setegid( pwd->pw_gid ) < 0 || seteuid( pwd->pw_uid ) < 0) {
371 LOG(log_error, logtype_afpd, "login: %s %s", pwd->pw_name, strerror(errno) );
372 return AFPERR_BADUAM;
376 if (setegid( pwd->pw_gid ) < 0 || seteuid( pwd->pw_uid ) < 0) {
377 LOG(log_error, logtype_afpd, "login: %s %s", pwd->pw_name, strerror(errno) );
378 return AFPERR_BADUAM;
382 /* There's probably a better way to do this, but for now, we just
388 #endif /* ADMIN_GRP */
391 set_auth_switch(expired);
393 obj->logout = logout;
397 save_uidgid ( &obj->uidgid );
403 /* ---------------------- */
404 int afp_zzz (obj, ibuf, ibuflen, rbuf, rbuflen ) /* Function 122 */
406 char *ibuf _U_, *rbuf;
407 unsigned int ibuflen _U_, *rbuflen;
413 retdata = obj->options.sleep /120;
417 *rbuflen = sizeof(retdata);
418 retdata = htonl(retdata);
419 memcpy(rbuf, &retdata, sizeof(retdata));
422 rbuf += sizeof(retdata);
426 /* ---------------------- */
427 static int create_session_token(AFPObj *obj)
431 /* use 8 bytes for token as OSX, don't know if it helps */
432 if ( sizeof(pid_t) > SESSIONTOKEN_LEN) {
433 LOG(log_error, logtype_afpd, "sizeof(pid_t) > %u", SESSIONTOKEN_LEN );
437 if ( NULL == (obj->sinfo.sessiontoken = malloc(SESSIONTOKEN_LEN)) )
440 memset(obj->sinfo.sessiontoken, 0, SESSIONTOKEN_LEN);
441 obj->sinfo.sessiontoken_len = SESSIONTOKEN_LEN;
443 memcpy(obj->sinfo.sessiontoken, &pid, sizeof(pid_t));
448 static int create_session_key(AFPObj *obj)
450 /* create session key */
451 if (obj->sinfo.sessionkey == NULL) {
452 if (NULL == (obj->sinfo.sessionkey = malloc(SESSIONKEY_LEN)) )
454 uam_random_string(obj, obj->sinfo.sessionkey, SESSIONKEY_LEN);
455 obj->sinfo.sessionkey_len = SESSIONKEY_LEN;
461 /* ---------------------- */
462 int afp_getsession(obj, ibuf, ibuflen, rbuf, rbuflen )
465 unsigned int ibuflen, *rbuflen;
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(obj, ibuf, ibuflen, rbuf, rbuflen )
558 char *ibuf, *rbuf _U_;
559 int ibuflen _U_, *rbuflen;
571 /* check for guest user */
572 if ( 0 == (strcasecmp(obj->username, obj->options.guest)) ) {
577 memcpy(&type, ibuf, sizeof(type));
579 ibuf += sizeof(type);
581 memcpy(&tklen, ibuf, sizeof(tklen));
582 tklen = ntohl(tklen);
583 ibuf += sizeof(tklen);
585 if ( sizeof(pid_t) > SESSIONTOKEN_LEN) {
586 LOG(log_error, logtype_afpd, "sizeof(pid_t) > %u", SESSIONTOKEN_LEN );
589 if (tklen != SESSIONTOKEN_LEN) {
592 tklen = sizeof(pid_t);
593 memcpy(&token, ibuf, tklen);
595 /* our stuff is pid + zero pad */
597 for (i = tklen; i < SESSIONTOKEN_LEN; i++, ibuf++) {
603 /* killed old session, not easy */
604 server_ipc_write(IPC_KILLTOKEN, tklen, &token);
607 return AFPERR_SESSCLOS; /* was AFP_OK */
610 /* ---------------------- */
611 static int get_version(obj, ibuf, ibuflen, len)
619 if (!len || len > ibuflen)
620 return AFPERR_BADVERS;
622 num = sizeof( afp_versions ) / sizeof( afp_versions[ 0 ]);
623 for ( i = 0; i < num; i++ ) {
624 if ( strncmp( ibuf, afp_versions[ i ].av_name , len ) == 0 ) {
625 afp_version = afp_versions[ i ].av_number;
626 afp_version_index = i;
630 if ( i == num ) /* An inappropo version */
631 return AFPERR_BADVERS ;
633 if (afp_version >= 30 && obj->proto != AFPPROTO_DSI)
634 return AFPERR_BADVERS ;
637 if (afp_version >= 30 && sizeof(off_t) != 8) {
638 LOG(log_error, logtype_afpd, "get_version: no LARGE_FILE support recompile!" );
639 return AFPERR_BADVERS ;
645 /* ---------------------- */
646 int afp_login(obj, ibuf, ibuflen, rbuf, rbuflen )
649 int ibuflen, *rbuflen;
651 struct passwd *pwd = NULL;
657 return send_reply(obj, AFPERR_SHUTDOWN );
660 return send_reply(obj, AFPERR_BADVERS );
663 len = (unsigned char) *ibuf++;
666 i = get_version(obj, ibuf, ibuflen, len);
668 return send_reply(obj, i );
674 return send_reply(obj, AFPERR_BADUAM);
676 len = (unsigned char) *ibuf++;
679 if (!len || len > ibuflen)
680 return send_reply(obj, AFPERR_BADUAM);
682 if (NULL == (afp_uam = auth_uamfind(UAM_SERVER_LOGIN, ibuf, len)) )
683 return send_reply(obj, AFPERR_BADUAM);
687 if (AFP_OK != (i = create_session_key(obj)) )
688 return send_reply(obj, i);
690 i = afp_uam->u.uam_login.login(obj, &pwd, ibuf, ibuflen, rbuf, rbuflen);
692 if (!pwd || ( i != AFP_OK && i != AFPERR_PWDEXPR))
693 return send_reply(obj, i);
695 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((i==AFPERR_PWDEXPR)?1:0)));
698 /* ---------------------- */
699 int afp_login_ext(obj, ibuf, ibuflen, rbuf, rbuflen )
702 unsigned int ibuflen, *rbuflen;
704 struct passwd *pwd = NULL;
714 return send_reply(obj, AFPERR_SHUTDOWN );
717 return send_reply(obj, AFPERR_BADVERS );
723 len = (unsigned char) *ibuf;
727 i = get_version(obj, ibuf, ibuflen, len);
729 return send_reply(obj, i );
735 return send_reply(obj, AFPERR_BADUAM);
737 len = (unsigned char) *ibuf;
741 if (!len || len > ibuflen)
742 return send_reply(obj, AFPERR_BADUAM);
744 if ((afp_uam = auth_uamfind(UAM_SERVER_LOGIN, ibuf, len)) == NULL)
745 return send_reply(obj, AFPERR_BADUAM);
749 if (!afp_uam->u.uam_login.login_ext) {
750 LOG(log_error, logtype_afpd, "login_ext: uam %s not AFP 3 ready!", afp_uam->uam_name );
751 return send_reply(obj, AFPERR_BADUAM);
754 if (len <= 1 +sizeof(len16))
755 return send_reply(obj, AFPERR_PARAM);
761 return send_reply(obj, AFPERR_PARAM);
763 memcpy(&len16, ibuf, sizeof(len16));
764 ibuf += sizeof(len16);
765 ibuflen -= sizeof(len16);
768 return send_reply(obj, AFPERR_PARAM);
772 /* directory service name */
774 return send_reply(obj, AFPERR_PARAM);
783 return send_reply(obj, AFPERR_PARAM);
784 len = (unsigned char) *ibuf;
789 /* With "No User Authen" it is equal */
790 if (ibuflen < sizeof(len16))
791 return send_reply(obj, AFPERR_PARAM);
792 memcpy(&len16, ibuf, sizeof(len16));
793 ibuf += sizeof(len16);
794 ibuflen -= sizeof(len16);
798 return send_reply(obj, AFPERR_PARAM);
802 LOG(log_error, logtype_afpd, "login_ext: directory service path not null!" );
803 return send_reply(obj, AFPERR_PARAM);
810 if (ibuflen && ((unsigned long) ibuf & 1)) { /* pad character */
815 if (AFP_OK != (i = create_session_key(obj)) ) {
816 return send_reply(obj, i);
819 /* FIXME user name are in UTF8 */
820 i = afp_uam->u.uam_login.login_ext(obj, username, &pwd, ibuf, ibuflen, rbuf, rbuflen);
822 if (!pwd || ( i != AFP_OK && i != AFPERR_PWDEXPR))
823 return send_reply(obj, i);
825 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((i==AFPERR_PWDEXPR)?1:0)));
828 /* ---------------------- */
829 int afp_logincont(obj, ibuf, ibuflen, rbuf, rbuflen)
832 int ibuflen, *rbuflen;
834 struct passwd *pwd = NULL;
837 if ( afp_uam == NULL || afp_uam->u.uam_login.logincont == NULL ) {
839 return send_reply(obj, AFPERR_NOTAUTH );
842 ibuf += 2; ibuflen -= 2;
843 err = afp_uam->u.uam_login.logincont(obj, &pwd, ibuf, ibuflen,
845 if (!pwd || ( err != AFP_OK && err != AFPERR_PWDEXPR))
846 return send_reply(obj, err);
848 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((err==AFPERR_PWDEXPR)?1:0)));
852 int afp_logout(obj, ibuf, ibuflen, rbuf, rbuflen)
854 char *ibuf _U_, *rbuf _U_;
855 int ibuflen _U_, *rbuflen _U_;
857 LOG(log_info, logtype_afpd, "logout %s", obj->username);
865 /* change password --
866 * NOTE: an FPLogin must already have completed successfully for this
867 * to work. this also does a little pre-processing before it hands
870 int afp_changepw(obj, ibuf, ibuflen, rbuf, rbuflen )
873 int ibuflen, *rbuflen;
875 char username[MACFILELEN + 1], *start = ibuf;
884 /* check if password change is allowed, OS-X ignores the flag.
885 * we shouldn't trust the client on this anyway.
886 * not sure about the "right" error code, NOOP for now */
887 if (!(obj->options.passwdbits & PASSWD_SET))
890 /* make sure we can deal w/ this uam */
891 len = (unsigned char) *ibuf++;
892 if ((uam = auth_uamfind(UAM_SERVER_CHANGEPW, ibuf, len)) == NULL)
893 return AFPERR_BADUAM;
896 if ((len + 1) & 1) /* pad byte */
899 if ( afp_version < 30) {
900 len = (unsigned char) *ibuf++;
901 if ( len > sizeof(username) - 1) {
904 memcpy(username, ibuf, len);
905 username[ len ] = '\0';
907 if ((len + 1) & 1) /* pad byte */
910 /* AFP > 3.0 doesn't pass the username, APF 3.1 specs page 124 */
911 if ( ibuf[0] != '\0' || ibuf[1] != '\0')
914 len = MIN(sizeof(username), strlen(obj->username));
915 memcpy(username, obj->username, len);
916 username[ len ] = '\0';
920 LOG(log_info, logtype_afpd, "changing password for <%s>", username);
922 if (( pwd = uam_getname( obj, username, sizeof(username))) == NULL )
925 /* send it off to the uam. we really don't use ibuflen right now. */
926 ibuflen -= (ibuf - start);
927 ret = uam->u.uam_changepw(obj, username, pwd, ibuf, ibuflen,
929 LOG(log_info, logtype_afpd, "password change %s.",
930 (ret == AFPERR_AUTHCONT) ? "continued" :
931 (ret ? "failed" : "succeeded"));
940 int afp_getuserinfo(obj, ibuf, ibuflen, rbuf, rbuflen )
943 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) {
992 if ( ! (obj->options.flags & OPTION_UUID))
993 return AFPERR_BITMAP;
994 LOG(log_debug, logtype_afpd, "afp_getuserinfo: get UUID for \'%s\'", obj->username);
995 ret = getuuidfromname( obj->username, UUID_USER, uuid);
997 LOG(log_info, logtype_afpd, "afp_getuserinfo: error getting UUID !");
998 return AFPERR_NOITEM;
1000 if (0 == (uuid_bin2string( uuid, &uuidstring))) {
1001 LOG(log_debug, logtype_afpd, "afp_getuserinfo: got UUID: %s", uuidstring);
1004 memcpy(rbuf, uuid, UUID_BINSIZE);
1005 rbuf += UUID_BINSIZE;
1006 *rbuflen += UUID_BINSIZE;
1010 LOG(log_debug, logtype_afpd, "END afp_getuserinfo:");
1014 #define UAM_LIST(type) (((type) == UAM_SERVER_LOGIN || (type) == UAM_SERVER_LOGIN_EXT) ? &uam_login : \
1015 (((type) == UAM_SERVER_CHANGEPW) ? \
1016 &uam_changepw : NULL))
1018 /* just do a linked list search. this could be sped up with a hashed
1019 * list, but i doubt anyone's going to have enough uams to matter. */
1020 struct uam_obj *auth_uamfind(const int type, const char *name,
1023 struct uam_obj *prev, *start;
1025 if (!name || !(start = UAM_LIST(type)))
1029 while ((prev = prev->uam_prev) != start)
1030 if (strndiacasecmp(prev->uam_name, name, len) == 0)
1036 int auth_register(const int type, struct uam_obj *uam)
1038 struct uam_obj *start;
1040 if (!uam || !uam->uam_name || (*uam->uam_name == '\0'))
1043 if (!(start = UAM_LIST(type)))
1044 return 1; /* we don't know what to do with it, caller must free it */
1046 uam_attach(start, uam);
1050 /* load all of the modules */
1051 int auth_load(const char *path, const char *list)
1053 char name[MAXPATHLEN + 1], buf[MAXPATHLEN + 1], *p;
1054 struct uam_mod *mod;
1058 if (!path || !*path || !list || (len = strlen(path)) > sizeof(name) - 2)
1061 strlcpy(buf, list, sizeof(buf));
1062 if ((p = strtok(buf, ",")) == NULL)
1066 if (name[len - 1] != '/') {
1072 strlcpy(name + len, p, sizeof(name) - len);
1073 LOG(log_debug, logtype_afpd, "uam: loading (%s)", name);
1075 if ((stat(name, &st) == 0) && (mod = uam_load(name, p))) {
1077 if (stat(name, &st) == 0) {
1078 if ((mod = uam_load(name, p))) {
1079 uam_attach(&uam_modules, mod);
1080 LOG(log_info, logtype_afpd, "uam: %s loaded", p);
1082 LOG(log_info, logtype_afpd, "uam: %s load failure",p);
1085 LOG(log_info, logtype_afpd, "uam: uam not found (status=%d)", stat(name, &st));
1087 p = strtok(NULL, ",");
1093 /* get rid of all of the uams */
1096 struct uam_mod *mod, *prev, *start = &uam_modules;
1098 prev = start->uam_prev;
1099 while ((mod = prev) != start) {
1100 prev = prev->uam_prev;