2 * $Id: auth.c,v 1.56 2009-02-16 13:49:20 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);
211 uam_afpserver_action(AFP_ENUMERATE_EXT, UAM_AFPSERVER_POSTAUTH, afp_enumerate_ext, NULL);
212 uam_afpserver_action(AFP_BYTELOCK_EXT, UAM_AFPSERVER_POSTAUTH, afp_bytelock_ext, NULL);
213 /* catsearch_ext uses the same packet as catsearch FIXME double check this, it wasn't true for enue
215 uam_afpserver_action(AFP_CATSEARCH_EXT, UAM_AFPSERVER_POSTAUTH, afp_catsearch_ext, NULL);
216 uam_afpserver_action(AFP_GETSESSTOKEN, UAM_AFPSERVER_POSTAUTH, afp_getsession, NULL);
217 uam_afpserver_action(AFP_READ_EXT, UAM_AFPSERVER_POSTAUTH, afp_read_ext, NULL);
218 uam_afpserver_action(AFP_WRITE_EXT, UAM_AFPSERVER_POSTAUTH, afp_write_ext, NULL);
219 uam_afpserver_action(AFP_DISCTOLDSESS, UAM_AFPSERVER_POSTAUTH, afp_disconnect, NULL);
223 * If first connection to a server is done in classic AFP2.2 version is used
224 * but OSX uses AFP3.x FPzzz command !
226 uam_afpserver_action(AFP_ZZZ, UAM_AFPSERVER_POSTAUTH, afp_zzz, NULL);
234 static int login(AFPObj *obj, struct passwd *pwd, void (*logout)(void), int expired)
238 #endif /* ADMIN_GRP */
240 /* UAM had syslog control; afpd needs to reassert itself */
241 set_processname("afpd");
242 syslog_setup(log_debug, logtype_default, logoption_ndelay|logoption_pid, logfacility_daemon);
244 if ( pwd->pw_uid == 0 ) { /* don't allow root login */
245 LOG(log_error, logtype_afpd, "login: root login denied!" );
246 return AFPERR_NOTAUTH;
249 LOG(log_info, logtype_afpd, "login %s (uid %d, gid %d) %s", pwd->pw_name,
250 pwd->pw_uid, pwd->pw_gid , afp_versions[afp_version_index].av_name);
253 if (obj->proto == AFPPROTO_ASP) {
254 ASP asp = obj->handle;
255 int addr_net = ntohs( asp->asp_sat.sat_addr.s_net );
256 int addr_node = asp->asp_sat.sat_addr.s_node;
258 if (obj->options.authprintdir) {
259 if(addr_net && addr_node) { /* Do we have a valid Appletalk address? */
262 int mypid = getpid();
263 struct stat stat_buf;
265 sprintf(nodename, "%s/net%d.%dnode%d", obj->options.authprintdir,
266 addr_net / 256, addr_net % 256, addr_node);
267 LOG(log_info, logtype_afpd, "registering %s (uid %d) on %u.%u as %s",
268 pwd->pw_name, pwd->pw_uid, addr_net, addr_node, nodename);
270 if (stat(nodename, &stat_buf) == 0) { /* file exists */
271 if (S_ISREG(stat_buf.st_mode)) { /* normal file */
273 fp = fopen(nodename, "w");
274 fprintf(fp, "%s:%d\n", pwd->pw_name, mypid);
276 chown( nodename, pwd->pw_uid, -1 );
277 } else { /* somebody is messing with us */
278 LOG(log_error, logtype_afpd, "print authfile %s is not a normal file, it will not be modified", nodename );
280 } else { /* file 'nodename' does not exist */
281 fp = fopen(nodename, "w");
282 fprintf(fp, "%s:%d\n", pwd->pw_name, mypid);
284 chown( nodename, pwd->pw_uid, -1 );
286 } /* if (addr_net && addr_node ) */
287 } /* if (options->authprintdir) */
288 } /* if (obj->proto == AFPPROTO_ASP) */
291 if (initgroups( pwd->pw_name, pwd->pw_gid ) < 0) {
293 LOG(log_info, logtype_afpd, "running with uid %d", geteuid());
294 #else /* RUN_AS_USER */
295 LOG(log_error, logtype_afpd, "login: %s", strerror(errno));
296 return AFPERR_BADUAM;
297 #endif /* RUN_AS_USER */
301 /* Basically if the user is in the admin group, we stay root */
303 if (( ngroups = getgroups( 0, NULL )) < 0 ) {
304 LOG(log_error, logtype_afpd, "login: %s getgroups: %s", pwd->pw_name, strerror(errno) );
305 return AFPERR_BADUAM;
308 if ( NULL == (groups = calloc(ngroups, GROUPS_SIZE)) ) {
309 LOG(log_error, logtype_afpd, "login: %s calloc: %d", ngroups);
310 return AFPERR_BADUAM;
313 if (( ngroups = getgroups( ngroups, groups )) < 0 ) {
314 LOG(log_error, logtype_afpd, "login: %s getgroups: %s", pwd->pw_name, strerror(errno) );
315 return AFPERR_BADUAM;
320 LOG(log_info, logtype_afpd, "obj->options.admingid == %d", obj->options.admingid);
322 if (obj->options.admingid != 0) {
324 for (i = 0; i < ngroups; i++) {
325 if (groups[i] == obj->options.admingid) admin = 1;
330 LOG(log_info, logtype_afpd, "admin login -- %s", pwd->pw_name );
336 struct DSI *dsi = obj->handle;
343 afp_get_cmdline( &argc, &argv );
345 hp = gethostbyaddr( (char *) &dsi->client.sin_addr,
346 sizeof( struct in_addr ),
347 dsi->client.sin_family );
350 clientname = hp->h_name;
352 clientname = inet_ntoa( dsi->client.sin_addr );
354 sprintf( hostname, "%s@%s", pwd->pw_name, clientname );
356 if( sia_become_user( NULL, argc, argv, hostname, pwd->pw_name,
357 NULL, FALSE, NULL, NULL,
358 SIA_BEU_REALLOGIN ) != SIASUCCESS )
359 return AFPERR_BADUAM;
361 LOG(log_info, logtype_afpd, "session from %s (%s)", hostname,
362 inet_ntoa( dsi->client.sin_addr ) );
364 if (setegid( pwd->pw_gid ) < 0 || seteuid( pwd->pw_uid ) < 0) {
365 LOG(log_error, logtype_afpd, "login: %s %s", pwd->pw_name, strerror(errno) );
366 return AFPERR_BADUAM;
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 /* There's probably a better way to do this, but for now, we just
382 #endif /* ADMIN_GRP */
385 set_auth_switch(expired);
387 obj->logout = logout;
391 save_uidgid ( &obj->uidgid );
397 /* ---------------------- */
398 int afp_zzz (obj, ibuf, ibuflen, rbuf, rbuflen ) /* Function 122 */
400 char *ibuf _U_, *rbuf;
401 unsigned int ibuflen _U_, *rbuflen;
407 retdata = obj->options.sleep /120;
411 *rbuflen = sizeof(retdata);
412 retdata = htonl(retdata);
413 memcpy(rbuf, &retdata, sizeof(retdata));
416 rbuf += sizeof(retdata);
420 /* ---------------------- */
421 static int create_session_token(AFPObj *obj)
425 /* use 8 bytes for token as OSX, don't know if it helps */
426 if ( sizeof(pid_t) > SESSIONTOKEN_LEN) {
427 LOG(log_error, logtype_afpd, "sizeof(pid_t) > %u", SESSIONTOKEN_LEN );
431 if ( NULL == (obj->sinfo.sessiontoken = malloc(SESSIONTOKEN_LEN)) )
434 memset(obj->sinfo.sessiontoken, 0, SESSIONTOKEN_LEN);
435 obj->sinfo.sessiontoken_len = SESSIONTOKEN_LEN;
437 memcpy(obj->sinfo.sessiontoken, &pid, sizeof(pid_t));
442 static int create_session_key(AFPObj *obj)
444 /* create session key */
445 if (obj->sinfo.sessionkey == NULL) {
446 if (NULL == (obj->sinfo.sessionkey = malloc(SESSIONKEY_LEN)) )
448 uam_random_string(obj, obj->sinfo.sessionkey, SESSIONKEY_LEN);
449 obj->sinfo.sessionkey_len = SESSIONKEY_LEN;
455 /* ---------------------- */
456 int afp_getsession(obj, ibuf, ibuflen, rbuf, rbuflen )
459 unsigned int ibuflen, *rbuflen;
474 memcpy(&type, ibuf, sizeof(type));
476 ibuf += sizeof(type);
477 ibuflen -= sizeof(type);
479 if ( obj->sinfo.sessiontoken == NULL ) {
480 if ( create_session_token( obj ) )
488 case 0: /* old version ?*/
489 tklen = obj->sinfo.sessiontoken_len;
490 token = obj->sinfo.sessiontoken;
492 case 1: /* disconnect */
493 case 2: /* reconnect update id */
494 if (ibuflen >= sizeof(idlen)) {
495 memcpy(&idlen, ibuf, sizeof(idlen));
496 idlen = ntohl(idlen);
497 ibuf += sizeof(idlen);
498 ibuflen -= sizeof(idlen);
499 if (ibuflen < idlen) {
502 /* memcpy (id, ibuf, idlen) */
503 tklen = obj->sinfo.sessiontoken_len;
504 token = obj->sinfo.sessiontoken;
511 memcpy( &idlen, ibuf, sizeof(idlen));
512 idlen = ntohl(idlen);
513 ibuf += sizeof(idlen);
514 ibuflen -= sizeof(idlen);
515 ibuf += sizeof(boottime);
516 ibuflen -= sizeof(boottime);
517 if (ibuflen < idlen || idlen > (90-10)) {
520 server_ipc_write(IPC_GETSESSION, idlen+8, p );
521 tklen = obj->sinfo.sessiontoken_len;
522 token = obj->sinfo.sessiontoken;
525 case 8: /* Panther Kerberos Token */
526 tklen = obj->sinfo.cryptedkey_len;
527 token = obj->sinfo.cryptedkey;
539 memcpy(rbuf, &tp, sizeof(tklen));
540 rbuf += sizeof(tklen);
541 *rbuflen += sizeof(tklen);
543 memcpy(rbuf, token, tklen);
549 /* ---------------------- */
550 int afp_disconnect(obj, ibuf, ibuflen, rbuf, rbuflen )
552 char *ibuf, *rbuf _U_;
553 int ibuflen _U_, *rbuflen;
565 /* check for guest user */
566 if ( 0 == (strcasecmp(obj->username, obj->options.guest)) ) {
571 memcpy(&type, ibuf, sizeof(type));
573 ibuf += sizeof(type);
575 memcpy(&tklen, ibuf, sizeof(tklen));
576 tklen = ntohl(tklen);
577 ibuf += sizeof(tklen);
579 if ( sizeof(pid_t) > SESSIONTOKEN_LEN) {
580 LOG(log_error, logtype_afpd, "sizeof(pid_t) > %u", SESSIONTOKEN_LEN );
583 if (tklen != SESSIONTOKEN_LEN) {
586 tklen = sizeof(pid_t);
587 memcpy(&token, ibuf, tklen);
589 /* our stuff is pid + zero pad */
591 for (i = tklen; i < SESSIONTOKEN_LEN; i++, ibuf++) {
597 /* killed old session, not easy */
598 server_ipc_write(IPC_KILLTOKEN, tklen, &token);
601 return AFPERR_SESSCLOS; /* was AFP_OK */
604 /* ---------------------- */
605 static int get_version(obj, ibuf, ibuflen, len)
613 if (!len || len > ibuflen)
614 return AFPERR_BADVERS;
616 num = sizeof( afp_versions ) / sizeof( afp_versions[ 0 ]);
617 for ( i = 0; i < num; i++ ) {
618 if ( strncmp( ibuf, afp_versions[ i ].av_name , len ) == 0 ) {
619 afp_version = afp_versions[ i ].av_number;
620 afp_version_index = i;
624 if ( i == num ) /* An inappropo version */
625 return AFPERR_BADVERS ;
627 if (afp_version >= 30 && obj->proto != AFPPROTO_DSI)
628 return AFPERR_BADVERS ;
631 if (afp_version >= 30 && sizeof(off_t) != 8) {
632 LOG(log_error, logtype_afpd, "get_version: no LARGE_FILE support recompile!" );
633 return AFPERR_BADVERS ;
639 /* ---------------------- */
640 int afp_login(obj, ibuf, ibuflen, rbuf, rbuflen )
643 int ibuflen, *rbuflen;
645 struct passwd *pwd = NULL;
651 return send_reply(obj, AFPERR_SHUTDOWN );
654 return send_reply(obj, AFPERR_BADVERS );
657 len = (unsigned char) *ibuf++;
660 i = get_version(obj, ibuf, ibuflen, len);
662 return send_reply(obj, i );
668 return send_reply(obj, AFPERR_BADUAM);
670 len = (unsigned char) *ibuf++;
673 if (!len || len > ibuflen)
674 return send_reply(obj, AFPERR_BADUAM);
676 if (NULL == (afp_uam = auth_uamfind(UAM_SERVER_LOGIN, ibuf, len)) )
677 return send_reply(obj, AFPERR_BADUAM);
681 if (AFP_OK != (i = create_session_key(obj)) )
682 return send_reply(obj, i);
684 i = afp_uam->u.uam_login.login(obj, &pwd, ibuf, ibuflen, rbuf, rbuflen);
686 if (!pwd || ( i != AFP_OK && i != AFPERR_PWDEXPR))
687 return send_reply(obj, i);
689 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((i==AFPERR_PWDEXPR)?1:0)));
692 /* ---------------------- */
693 int afp_login_ext(obj, ibuf, ibuflen, rbuf, rbuflen )
696 unsigned int ibuflen, *rbuflen;
698 struct passwd *pwd = NULL;
708 return send_reply(obj, AFPERR_SHUTDOWN );
711 return send_reply(obj, AFPERR_BADVERS );
717 len = (unsigned char) *ibuf;
721 i = get_version(obj, ibuf, ibuflen, len);
723 return send_reply(obj, i );
729 return send_reply(obj, AFPERR_BADUAM);
731 len = (unsigned char) *ibuf;
735 if (!len || len > ibuflen)
736 return send_reply(obj, AFPERR_BADUAM);
738 if ((afp_uam = auth_uamfind(UAM_SERVER_LOGIN, ibuf, len)) == NULL)
739 return send_reply(obj, AFPERR_BADUAM);
743 if (!afp_uam->u.uam_login.login_ext) {
744 LOG(log_error, logtype_afpd, "login_ext: uam %s not AFP 3 ready!", afp_uam->uam_name );
745 return send_reply(obj, AFPERR_BADUAM);
748 if (len <= 1 +sizeof(len16))
749 return send_reply(obj, AFPERR_PARAM);
755 return send_reply(obj, AFPERR_PARAM);
757 memcpy(&len16, ibuf, sizeof(len16));
758 ibuf += sizeof(len16);
759 ibuflen -= sizeof(len16);
762 return send_reply(obj, AFPERR_PARAM);
766 /* directory service name */
768 return send_reply(obj, AFPERR_PARAM);
777 return send_reply(obj, AFPERR_PARAM);
778 len = (unsigned char) *ibuf;
783 /* With "No User Authen" it is equal */
784 if (ibuflen < sizeof(len16))
785 return send_reply(obj, AFPERR_PARAM);
786 memcpy(&len16, ibuf, sizeof(len16));
787 ibuf += sizeof(len16);
788 ibuflen -= sizeof(len16);
792 return send_reply(obj, AFPERR_PARAM);
796 LOG(log_error, logtype_afpd, "login_ext: directory service path not null!" );
797 return send_reply(obj, AFPERR_PARAM);
804 if (ibuflen && ((unsigned long) ibuf & 1)) { /* pad character */
809 if (AFP_OK != (i = create_session_key(obj)) ) {
810 return send_reply(obj, i);
813 /* FIXME user name are in UTF8 */
814 i = afp_uam->u.uam_login.login_ext(obj, username, &pwd, ibuf, ibuflen, rbuf, rbuflen);
816 if (!pwd || ( i != AFP_OK && i != AFPERR_PWDEXPR))
817 return send_reply(obj, i);
819 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((i==AFPERR_PWDEXPR)?1:0)));
822 /* ---------------------- */
823 int afp_logincont(obj, ibuf, ibuflen, rbuf, rbuflen)
826 int ibuflen, *rbuflen;
828 struct passwd *pwd = NULL;
831 if ( afp_uam == NULL || afp_uam->u.uam_login.logincont == NULL ) {
833 return send_reply(obj, AFPERR_NOTAUTH );
836 ibuf += 2; ibuflen -= 2;
837 err = afp_uam->u.uam_login.logincont(obj, &pwd, ibuf, ibuflen,
839 if (!pwd || ( err != AFP_OK && err != AFPERR_PWDEXPR))
840 return send_reply(obj, err);
842 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((err==AFPERR_PWDEXPR)?1:0)));
846 int afp_logout(obj, ibuf, ibuflen, rbuf, rbuflen)
848 char *ibuf _U_, *rbuf _U_;
849 int ibuflen _U_, *rbuflen _U_;
851 LOG(log_info, logtype_afpd, "logout %s", obj->username);
859 /* change password --
860 * NOTE: an FPLogin must already have completed successfully for this
861 * to work. this also does a little pre-processing before it hands
864 int afp_changepw(obj, ibuf, ibuflen, rbuf, rbuflen )
867 int ibuflen, *rbuflen;
869 char username[MACFILELEN + 1], *start = ibuf;
878 /* check if password change is allowed, OS-X ignores the flag.
879 * we shouldn't trust the client on this anyway.
880 * not sure about the "right" error code, NOOP for now */
881 if (!(obj->options.passwdbits & PASSWD_SET))
884 /* make sure we can deal w/ this uam */
885 len = (unsigned char) *ibuf++;
886 if ((uam = auth_uamfind(UAM_SERVER_CHANGEPW, ibuf, len)) == NULL)
887 return AFPERR_BADUAM;
890 if ((len + 1) & 1) /* pad byte */
893 if ( afp_version < 30) {
894 len = (unsigned char) *ibuf++;
895 if ( len > sizeof(username) - 1) {
898 memcpy(username, ibuf, len);
899 username[ len ] = '\0';
901 if ((len + 1) & 1) /* pad byte */
904 /* AFP > 3.0 doesn't pass the username, APF 3.1 specs page 124 */
905 if ( ibuf[0] != '\0' || ibuf[1] != '\0')
908 len = MIN(sizeof(username), strlen(obj->username));
909 memcpy(username, obj->username, len);
910 username[ len ] = '\0';
914 LOG(log_info, logtype_afpd, "changing password for <%s>", username);
916 if (( pwd = uam_getname( obj, username, sizeof(username))) == NULL )
919 /* send it off to the uam. we really don't use ibuflen right now. */
920 ibuflen -= (ibuf - start);
921 ret = uam->u.uam_changepw(obj, username, pwd, ibuf, ibuflen,
923 LOG(log_info, logtype_afpd, "password change %s.",
924 (ret == AFPERR_AUTHCONT) ? "continued" :
925 (ret ? "failed" : "succeeded"));
934 int afp_getuserinfo(obj, ibuf, ibuflen, rbuf, rbuflen )
937 int ibuflen _U_, *rbuflen;
946 LOG(log_debug, logtype_afpd, "begin afp_getuserinfo:");
951 ibuf += sizeof(id); /* userid is not used in AFP 2.0 */
952 memcpy(&bitmap, ibuf, sizeof(bitmap));
953 bitmap = ntohs(bitmap);
955 /* deal with error cases. we don't have to worry about
956 * AFPERR_ACCESS or AFPERR_NOITEM as geteuid and getegid always
960 if ((bitmap & USERIBIT_ALL) != bitmap)
961 return AFPERR_BITMAP;
963 /* copy the bitmap back to reply buffer */
964 memcpy(rbuf, ibuf, sizeof(bitmap));
965 rbuf += sizeof(bitmap);
966 *rbuflen = sizeof(bitmap);
968 /* copy the user/group info */
969 if (bitmap & USERIBIT_USER) {
970 id = htonl(geteuid());
971 memcpy(rbuf, &id, sizeof(id));
973 *rbuflen += sizeof(id);
976 if (bitmap & USERIBIT_GROUP) {
977 id = htonl(getegid());
978 memcpy(rbuf, &id, sizeof(id));
980 *rbuflen += sizeof(id);
983 #ifdef HAVE_NFSv4_ACLS
984 if (bitmap & USERIBIT_UUID) {
985 if ( ! (obj->options.flags & OPTION_UUID))
986 return AFPERR_BITMAP;
987 LOG(log_debug, logtype_afpd, "afp_getuserinfo: get UUID for \'%s\'", obj->username);
988 ret = getuuidfromname( obj->username, UUID_USER, uuid);
990 LOG(log_info, logtype_afpd, "afp_getuserinfo: error getting UUID !");
991 return AFPERR_NOITEM;
993 uuid_bin2string( uuid, &uuidstring);
994 LOG(log_debug, logtype_afpd, "afp_getuserinfo: got UUID: %s", uuidstring);
996 memcpy(rbuf, uuid, UUID_BINSIZE);
997 rbuf += UUID_BINSIZE;
998 *rbuflen += UUID_BINSIZE;
1002 LOG(log_debug, logtype_afpd, "END afp_getuserinfo:");
1005 #define UAM_LIST(type) (((type) == UAM_SERVER_LOGIN || (type) == UAM_SERVER_LOGIN_EXT) ? &uam_login : \
1006 (((type) == UAM_SERVER_CHANGEPW) ? \
1007 &uam_changepw : NULL))
1009 /* just do a linked list search. this could be sped up with a hashed
1010 * list, but i doubt anyone's going to have enough uams to matter. */
1011 struct uam_obj *auth_uamfind(const int type, const char *name,
1014 struct uam_obj *prev, *start;
1016 if (!name || !(start = UAM_LIST(type)))
1020 while ((prev = prev->uam_prev) != start)
1021 if (strndiacasecmp(prev->uam_name, name, len) == 0)
1027 int auth_register(const int type, struct uam_obj *uam)
1029 struct uam_obj *start;
1031 if (!uam || !uam->uam_name || (*uam->uam_name == '\0'))
1034 if (!(start = UAM_LIST(type)))
1035 return 1; /* we don't know what to do with it, caller must free it */
1037 uam_attach(start, uam);
1041 /* load all of the modules */
1042 int auth_load(const char *path, const char *list)
1044 char name[MAXPATHLEN + 1], buf[MAXPATHLEN + 1], *p;
1045 struct uam_mod *mod;
1049 if (!path || !*path || !list || (len = strlen(path)) > sizeof(name) - 2)
1052 strlcpy(buf, list, sizeof(buf));
1053 if ((p = strtok(buf, ",")) == NULL)
1057 if (name[len - 1] != '/') {
1063 strlcpy(name + len, p, sizeof(name) - len);
1064 LOG(log_debug, logtype_afpd, "uam: loading (%s)", name);
1066 if ((stat(name, &st) == 0) && (mod = uam_load(name, p))) {
1068 if (stat(name, &st) == 0) {
1069 if ((mod = uam_load(name, p))) {
1070 uam_attach(&uam_modules, mod);
1071 LOG(log_info, logtype_afpd, "uam: %s loaded", p);
1073 LOG(log_info, logtype_afpd, "uam: %s load failure",p);
1076 LOG(log_info, logtype_afpd, "uam: uam not found (status=%d)", stat(name, &st));
1078 p = strtok(NULL, ",");
1084 /* get rid of all of the uams */
1087 struct uam_mod *mod, *prev, *start = &uam_modules;
1089 prev = start->uam_prev;
1090 while ((mod = prev) != start) {
1091 prev = prev->uam_prev;