2 * $Id: auth.c,v 1.51 2007-12-03 14:50:38 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>
36 #include <arpa/inet.h>
40 extern void afp_get_cmdline( int *ac, char ***av );
52 static int afp_version_index;
56 #if defined( sun ) && !defined( __svr4__ ) || defined( ultrix )
59 #define GROUPS_SIZE sizeof(int)
61 #else /* sun __svr4__ ultrix */
64 #define GROUPS_SIZE sizeof(gid_t)
65 #endif /* sun ultrix */
70 * These numbers are scattered throughout the code.
72 static struct afp_versions afp_versions[] = {
73 { "AFPVersion 1.1", 11 },
74 { "AFPVersion 2.0", 20 },
75 { "AFPVersion 2.1", 21 },
83 static struct uam_mod uam_modules = {NULL, NULL, &uam_modules, &uam_modules};
84 static struct uam_obj uam_login = {"", "", 0, {{NULL, NULL, NULL, NULL }}, &uam_login,
86 static struct uam_obj uam_changepw = {"", "", 0, {{NULL, NULL, NULL, NULL}}, &uam_changepw,
89 static struct uam_obj *afp_uam = NULL;
92 void status_versions( data )
99 memcpy(&status, start + AFPSTATUS_VERSOFF, sizeof(status));
100 num = sizeof( afp_versions ) / sizeof( afp_versions[ 0 ] );
101 data += ntohs( status );
103 for ( i = 0; i < num; i++ ) {
104 len = strlen( afp_versions[ i ].av_name );
106 memcpy( data, afp_versions[ i ].av_name , len );
109 status = htons( data - start );
110 memcpy(start + AFPSTATUS_UAMSOFF, &status, sizeof(status));
113 void status_uams(char *data, const char *authlist)
117 struct uam_obj *uams;
120 memcpy(&status, start + AFPSTATUS_UAMSOFF, sizeof(status));
122 while ((uams = uams->uam_prev) != &uam_login) {
123 if (strstr(authlist, uams->uam_path))
127 data += ntohs( status );
129 while ((uams = uams->uam_prev) != &uam_login) {
130 if (strstr(authlist, uams->uam_path)) {
131 LOG(log_info, logtype_afpd, "uam: \"%s\" available", uams->uam_name);
132 len = strlen( uams->uam_name);
134 memcpy( data, uams->uam_name, len );
140 status = htons(data - start);
141 memcpy(start + AFPSTATUS_ICONOFF, &status, sizeof(status));
144 /* handle errors by closing the connection. this is only needed
145 * by the afp_* functions. */
146 static int send_reply(const AFPObj *obj, const int err)
148 if ((err == AFP_OK) || (err == AFPERR_AUTHCONT))
151 obj->reply(obj->handle, err);
157 static int afp_errpwdexpired(obj, ibuf, ibuflen, rbuf, rbuflen )
159 char *ibuf _U_, *rbuf _U_;
160 int ibuflen _U_, *rbuflen;
163 return AFPERR_PWDEXPR;
167 static int set_auth_switch(int expired)
173 * BF: expired password handling
174 * to allow the user to change his/her password we have to allow login
175 * but every following call except for FPChangePassword will be thrown
176 * away with an AFPERR_PWDEXPR error. (thanks to Leland Wallace from Apple
177 * for clarifying this)
180 for (i=0; i<=0xff; i++) {
181 uam_afpserver_action(i, UAM_AFPSERVER_PREAUTH, afp_errpwdexpired, NULL);
183 uam_afpserver_action(AFP_LOGOUT, UAM_AFPSERVER_PREAUTH, afp_logout, NULL);
184 uam_afpserver_action(AFP_CHANGEPW, UAM_AFPSERVER_PREAUTH, afp_changepw, NULL);
187 afp_switch = postauth_switch;
188 switch (afp_version) {
190 uam_afpserver_action(AFP_ENUMERATE_EXT2, UAM_AFPSERVER_POSTAUTH, afp_enumerate_ext2, NULL);
192 uam_afpserver_action(AFP_ENUMERATE_EXT, UAM_AFPSERVER_POSTAUTH, afp_enumerate_ext, NULL);
193 uam_afpserver_action(AFP_BYTELOCK_EXT, UAM_AFPSERVER_POSTAUTH, afp_bytelock_ext, NULL);
194 /* catsearch_ext uses the same packet as catsearch FIXME double check this, it wasn't true for enue
196 uam_afpserver_action(AFP_CATSEARCH_EXT, UAM_AFPSERVER_POSTAUTH, afp_catsearch_ext, NULL);
197 uam_afpserver_action(AFP_GETSESSTOKEN, UAM_AFPSERVER_POSTAUTH, afp_getsession, NULL);
198 uam_afpserver_action(AFP_READ_EXT, UAM_AFPSERVER_POSTAUTH, afp_read_ext, NULL);
199 uam_afpserver_action(AFP_WRITE_EXT, UAM_AFPSERVER_POSTAUTH, afp_write_ext, NULL);
200 uam_afpserver_action(AFP_DISCTOLDSESS, UAM_AFPSERVER_POSTAUTH, afp_disconnect, NULL);
204 * If first connection to a server is done in classic AFP2.2 version is used
205 * but OSX uses AFP3.x FPzzz command !
207 uam_afpserver_action(AFP_ZZZ, UAM_AFPSERVER_POSTAUTH, afp_zzz, NULL);
215 static int login(AFPObj *obj, struct passwd *pwd, void (*logout)(void), int expired)
219 #endif /* ADMIN_GRP */
221 /* UAM had syslog control; afpd needs to reassert itself */
222 set_processname("afpd");
223 syslog_setup(log_debug, logtype_default, logoption_ndelay|logoption_pid, logfacility_daemon);
225 if ( pwd->pw_uid == 0 ) { /* don't allow root login */
226 LOG(log_error, logtype_afpd, "login: root login denied!" );
227 return AFPERR_NOTAUTH;
230 LOG(log_info, logtype_afpd, "login %s (uid %d, gid %d) %s", pwd->pw_name,
231 pwd->pw_uid, pwd->pw_gid , afp_versions[afp_version_index].av_name);
234 if (obj->proto == AFPPROTO_ASP) {
235 ASP asp = obj->handle;
236 int addr_net = ntohs( asp->asp_sat.sat_addr.s_net );
237 int addr_node = asp->asp_sat.sat_addr.s_node;
239 if (obj->options.authprintdir) {
240 if(addr_net && addr_node) { /* Do we have a valid Appletalk address? */
243 int mypid = getpid();
244 struct stat stat_buf;
246 sprintf(nodename, "%s/net%d.%dnode%d", obj->options.authprintdir,
247 addr_net / 256, addr_net % 256, addr_node);
248 LOG(log_info, logtype_afpd, "registering %s (uid %d) on %u.%u as %s",
249 pwd->pw_name, pwd->pw_uid, addr_net, addr_node, nodename);
251 if (stat(nodename, &stat_buf) == 0) { /* file exists */
252 if (S_ISREG(stat_buf.st_mode)) { /* normal file */
254 fp = fopen(nodename, "w");
255 fprintf(fp, "%s:%d\n", pwd->pw_name, mypid);
257 chown( nodename, pwd->pw_uid, -1 );
258 } else { /* somebody is messing with us */
259 LOG(log_error, logtype_afpd, "print authfile %s is not a normal file, it will not be modified", nodename );
261 } else { /* file 'nodename' does not exist */
262 fp = fopen(nodename, "w");
263 fprintf(fp, "%s:%d\n", pwd->pw_name, mypid);
265 chown( nodename, pwd->pw_uid, -1 );
267 } /* if (addr_net && addr_node ) */
268 } /* if (options->authprintdir) */
269 } /* if (obj->proto == AFPPROTO_ASP) */
272 if (initgroups( pwd->pw_name, pwd->pw_gid ) < 0) {
274 LOG(log_info, logtype_afpd, "running with uid %d", geteuid());
275 #else /* RUN_AS_USER */
276 LOG(log_error, logtype_afpd, "login: %s", strerror(errno));
277 return AFPERR_BADUAM;
278 #endif /* RUN_AS_USER */
282 /* Basically if the user is in the admin group, we stay root */
284 if (( ngroups = getgroups( 0, NULL )) < 0 ) {
285 LOG(log_error, logtype_afpd, "login: %s getgroups: %s", pwd->pw_name, strerror(errno) );
286 return AFPERR_BADUAM;
289 if ( NULL == (groups = calloc(ngroups, GROUPS_SIZE)) ) {
290 LOG(log_error, logtype_afpd, "login: %s calloc: %d", ngroups);
291 return AFPERR_BADUAM;
294 if (( ngroups = getgroups( ngroups, groups )) < 0 ) {
295 LOG(log_error, logtype_afpd, "login: %s getgroups: %s", pwd->pw_name, strerror(errno) );
296 return AFPERR_BADUAM;
301 LOG(log_info, logtype_afpd, "obj->options.admingid == %d", obj->options.admingid);
303 if (obj->options.admingid != 0) {
305 for (i = 0; i < ngroups; i++) {
306 if (groups[i] == obj->options.admingid) admin = 1;
311 LOG(log_info, logtype_afpd, "admin login -- %s", pwd->pw_name );
317 struct DSI *dsi = obj->handle;
324 afp_get_cmdline( &argc, &argv );
326 hp = gethostbyaddr( (char *) &dsi->client.sin_addr,
327 sizeof( struct in_addr ),
328 dsi->client.sin_family );
331 clientname = hp->h_name;
333 clientname = inet_ntoa( dsi->client.sin_addr );
335 sprintf( hostname, "%s@%s", pwd->pw_name, clientname );
337 if( sia_become_user( NULL, argc, argv, hostname, pwd->pw_name,
338 NULL, FALSE, NULL, NULL,
339 SIA_BEU_REALLOGIN ) != SIASUCCESS )
340 return AFPERR_BADUAM;
342 LOG(log_info, logtype_afpd, "session from %s (%s)", hostname,
343 inet_ntoa( dsi->client.sin_addr ) );
345 if (setegid( pwd->pw_gid ) < 0 || seteuid( pwd->pw_uid ) < 0) {
346 LOG(log_error, logtype_afpd, "login: %s %s", pwd->pw_name, strerror(errno) );
347 return AFPERR_BADUAM;
351 if (setegid( pwd->pw_gid ) < 0 || seteuid( pwd->pw_uid ) < 0) {
352 LOG(log_error, logtype_afpd, "login: %s %s", pwd->pw_name, strerror(errno) );
353 return AFPERR_BADUAM;
357 /* There's probably a better way to do this, but for now, we just
363 #endif /* ADMIN_GRP */
366 set_auth_switch(expired);
368 obj->logout = logout;
372 save_uidgid ( &obj->uidgid );
378 /* ---------------------- */
379 int afp_zzz (obj, ibuf, ibuflen, rbuf, rbuflen ) /* Function 122 */
381 char *ibuf _U_, *rbuf;
382 unsigned int ibuflen _U_, *rbuflen;
388 retdata = obj->options.sleep /120;
392 *rbuflen = sizeof(retdata);
393 retdata = htonl(retdata);
394 memcpy(rbuf, &retdata, sizeof(retdata));
397 rbuf += sizeof(retdata);
401 /* ---------------------- */
402 static int create_session_token(AFPObj *obj)
406 /* use 8 bytes for token as OSX, don't know if it helps */
407 if ( sizeof(pid_t) > SESSIONTOKEN_LEN) {
408 LOG(log_error, logtype_afpd, "sizeof(pid_t) > %u", SESSIONTOKEN_LEN );
412 if ( NULL == (obj->sinfo.sessiontoken = malloc(SESSIONTOKEN_LEN)) )
415 memset(obj->sinfo.sessiontoken, 0, SESSIONTOKEN_LEN);
416 obj->sinfo.sessiontoken_len = SESSIONTOKEN_LEN;
418 memcpy(obj->sinfo.sessiontoken, &pid, sizeof(pid_t));
423 static int create_session_key(AFPObj *obj)
425 /* create session key */
426 if (obj->sinfo.sessionkey == NULL) {
427 if (NULL == (obj->sinfo.sessionkey = malloc(SESSIONKEY_LEN)) )
429 uam_random_string(obj, obj->sinfo.sessionkey, SESSIONKEY_LEN);
430 obj->sinfo.sessionkey_len = SESSIONKEY_LEN;
436 /* ---------------------- */
437 int afp_getsession(obj, ibuf, ibuflen, rbuf, rbuflen )
440 unsigned int ibuflen, *rbuflen;
455 memcpy(&type, ibuf, sizeof(type));
457 ibuf += sizeof(type);
458 ibuflen -= sizeof(type);
460 if ( obj->sinfo.sessiontoken == NULL ) {
461 if ( create_session_token( obj ) )
469 case 0: /* old version ?*/
470 tklen = obj->sinfo.sessiontoken_len;
471 token = obj->sinfo.sessiontoken;
473 case 1: /* disconnect */
474 case 2: /* reconnect update id */
475 if (ibuflen >= sizeof(idlen)) {
476 memcpy(&idlen, ibuf, sizeof(idlen));
477 idlen = ntohl(idlen);
478 ibuf += sizeof(idlen);
479 ibuflen -= sizeof(idlen);
480 if (ibuflen < idlen) {
483 /* memcpy (id, ibuf, idlen) */
484 tklen = obj->sinfo.sessiontoken_len;
485 token = obj->sinfo.sessiontoken;
492 memcpy( &idlen, ibuf, sizeof(idlen));
493 idlen = ntohl(idlen);
494 ibuf += sizeof(idlen);
495 ibuflen -= sizeof(idlen);
496 ibuf += sizeof(boottime);
497 ibuflen -= sizeof(boottime);
498 if (ibuflen < idlen || idlen > (90-10)) {
501 server_ipc_write(IPC_GETSESSION, idlen+8, p );
502 tklen = obj->sinfo.sessiontoken_len;
503 token = obj->sinfo.sessiontoken;
506 case 8: /* Panther Kerberos Token */
507 tklen = obj->sinfo.cryptedkey_len;
508 token = obj->sinfo.cryptedkey;
520 memcpy(rbuf, &tp, sizeof(tklen));
521 rbuf += sizeof(tklen);
522 *rbuflen += sizeof(tklen);
524 memcpy(rbuf, token, tklen);
530 /* ---------------------- */
531 int afp_disconnect(obj, ibuf, ibuflen, rbuf, rbuflen )
533 char *ibuf, *rbuf _U_;
534 int ibuflen _U_, *rbuflen;
546 /* check for guest user */
547 if ( 0 == (strcasecmp(obj->username, obj->options.guest)) ) {
552 memcpy(&type, ibuf, sizeof(type));
554 ibuf += sizeof(type);
556 memcpy(&tklen, ibuf, sizeof(tklen));
557 tklen = ntohl(tklen);
558 ibuf += sizeof(tklen);
560 if ( sizeof(pid_t) > SESSIONTOKEN_LEN) {
561 LOG(log_error, logtype_afpd, "sizeof(pid_t) > %u", SESSIONTOKEN_LEN );
564 if (tklen != SESSIONTOKEN_LEN) {
567 tklen = sizeof(pid_t);
568 memcpy(&token, ibuf, tklen);
570 /* our stuff is pid + zero pad */
572 for (i = tklen; i < SESSIONTOKEN_LEN; i++, ibuf++) {
578 /* killed old session, not easy */
579 server_ipc_write(IPC_KILLTOKEN, tklen, &token);
582 return AFPERR_SESSCLOS; /* was AFP_OK */
585 /* ---------------------- */
586 static int get_version(obj, ibuf, ibuflen, len)
594 if (!len || len > ibuflen)
595 return AFPERR_BADVERS;
597 num = sizeof( afp_versions ) / sizeof( afp_versions[ 0 ]);
598 for ( i = 0; i < num; i++ ) {
599 if ( strncmp( ibuf, afp_versions[ i ].av_name , len ) == 0 ) {
600 afp_version = afp_versions[ i ].av_number;
601 afp_version_index = i;
605 if ( i == num ) /* An inappropo version */
606 return AFPERR_BADVERS ;
608 if (afp_version >= 30 && obj->proto != AFPPROTO_DSI)
609 return AFPERR_BADVERS ;
612 if (afp_version >= 30 && sizeof(off_t) != 8) {
613 LOG(log_error, logtype_afpd, "get_version: no LARGE_FILE support recompile!" );
614 return AFPERR_BADVERS ;
620 /* ---------------------- */
621 int afp_login(obj, ibuf, ibuflen, rbuf, rbuflen )
624 int ibuflen, *rbuflen;
626 struct passwd *pwd = NULL;
632 return send_reply(obj, AFPERR_SHUTDOWN );
635 return send_reply(obj, AFPERR_BADVERS );
638 len = (unsigned char) *ibuf++;
641 i = get_version(obj, ibuf, ibuflen, len);
643 return send_reply(obj, i );
649 return send_reply(obj, AFPERR_BADUAM);
651 len = (unsigned char) *ibuf++;
654 if (!len || len > ibuflen)
655 return send_reply(obj, AFPERR_BADUAM);
657 if (NULL == (afp_uam = auth_uamfind(UAM_SERVER_LOGIN, ibuf, len)) )
658 return send_reply(obj, AFPERR_BADUAM);
662 if (AFP_OK != (i = create_session_key(obj)) )
663 return send_reply(obj, i);
665 i = afp_uam->u.uam_login.login(obj, &pwd, ibuf, ibuflen, rbuf, rbuflen);
667 if (!pwd || ( i != AFP_OK && i != AFPERR_PWDEXPR))
668 return send_reply(obj, i);
670 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((i==AFPERR_PWDEXPR)?1:0)));
673 /* ---------------------- */
674 int afp_login_ext(obj, ibuf, ibuflen, rbuf, rbuflen )
677 unsigned int ibuflen, *rbuflen;
679 struct passwd *pwd = NULL;
689 return send_reply(obj, AFPERR_SHUTDOWN );
692 return send_reply(obj, AFPERR_BADVERS );
698 len = (unsigned char) *ibuf;
702 i = get_version(obj, ibuf, ibuflen, len);
704 return send_reply(obj, i );
710 return send_reply(obj, AFPERR_BADUAM);
712 len = (unsigned char) *ibuf;
716 if (!len || len > ibuflen)
717 return send_reply(obj, AFPERR_BADUAM);
719 if ((afp_uam = auth_uamfind(UAM_SERVER_LOGIN, ibuf, len)) == NULL)
720 return send_reply(obj, AFPERR_BADUAM);
724 if (!afp_uam->u.uam_login.login_ext) {
725 LOG(log_error, logtype_afpd, "login_ext: uam %s not AFP 3 ready!", afp_uam->uam_name );
726 return send_reply(obj, AFPERR_BADUAM);
729 if (len <= 1 +sizeof(len16))
730 return send_reply(obj, AFPERR_PARAM);
736 return send_reply(obj, AFPERR_PARAM);
738 memcpy(&len16, ibuf, sizeof(len16));
739 ibuf += sizeof(len16);
740 ibuflen -= sizeof(len16);
743 return send_reply(obj, AFPERR_PARAM);
747 /* directory service name */
749 return send_reply(obj, AFPERR_PARAM);
758 return send_reply(obj, AFPERR_PARAM);
759 len = (unsigned char) *ibuf;
764 /* With "No User Authen" it is equal */
765 if (ibuflen < sizeof(len16))
766 return send_reply(obj, AFPERR_PARAM);
767 memcpy(&len16, ibuf, sizeof(len16));
768 ibuf += sizeof(len16);
769 ibuflen -= sizeof(len16);
773 return send_reply(obj, AFPERR_PARAM);
777 LOG(log_error, logtype_afpd, "login_ext: directory service path not null!" );
778 return send_reply(obj, AFPERR_PARAM);
785 if (ibuflen && ((unsigned long) ibuf & 1)) { /* pad character */
790 if (AFP_OK != (i = create_session_key(obj)) ) {
791 return send_reply(obj, i);
794 /* FIXME user name are in UTF8 */
795 i = afp_uam->u.uam_login.login_ext(obj, username, &pwd, ibuf, ibuflen, rbuf, rbuflen);
797 if (!pwd || ( i != AFP_OK && i != AFPERR_PWDEXPR))
798 return send_reply(obj, i);
800 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((i==AFPERR_PWDEXPR)?1:0)));
803 /* ---------------------- */
804 int afp_logincont(obj, ibuf, ibuflen, rbuf, rbuflen)
807 int ibuflen, *rbuflen;
809 struct passwd *pwd = NULL;
812 if ( afp_uam == NULL || afp_uam->u.uam_login.logincont == NULL ) {
814 return send_reply(obj, AFPERR_NOTAUTH );
817 ibuf += 2; ibuflen -= 2;
818 err = afp_uam->u.uam_login.logincont(obj, &pwd, ibuf, ibuflen,
820 if (!pwd || ( err != AFP_OK && err != AFPERR_PWDEXPR))
821 return send_reply(obj, err);
823 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((err==AFPERR_PWDEXPR)?1:0)));
827 int afp_logout(obj, ibuf, ibuflen, rbuf, rbuflen)
829 char *ibuf _U_, *rbuf _U_;
830 int ibuflen _U_, *rbuflen _U_;
832 LOG(log_info, logtype_afpd, "logout %s", obj->username);
840 /* change password --
841 * NOTE: an FPLogin must already have completed successfully for this
842 * to work. this also does a little pre-processing before it hands
845 int afp_changepw(obj, ibuf, ibuflen, rbuf, rbuflen )
848 int ibuflen, *rbuflen;
850 char username[MACFILELEN + 1], *start = ibuf;
859 /* check if password change is allowed, OS-X ignores the flag.
860 * we shouldn't trust the client on this anyway.
861 * not sure about the "right" error code, NOOP for now */
862 if (!(obj->options.passwdbits & PASSWD_SET))
865 /* make sure we can deal w/ this uam */
866 len = (unsigned char) *ibuf++;
867 if ((uam = auth_uamfind(UAM_SERVER_CHANGEPW, ibuf, len)) == NULL)
868 return AFPERR_BADUAM;
871 if ((len + 1) & 1) /* pad byte */
874 if ( afp_version < 30) {
875 len = (unsigned char) *ibuf++;
876 if ( len > sizeof(username) - 1) {
879 memcpy(username, ibuf, len);
880 username[ len ] = '\0';
882 if ((len + 1) & 1) /* pad byte */
885 /* AFP > 3.0 doesn't pass the username, APF 3.1 specs page 124 */
886 if ( ibuf[0] != '\0' || ibuf[1] != '\0')
889 len = MIN(sizeof(username), strlen(obj->username));
890 memcpy(username, obj->username, len);
891 username[ len ] = '\0';
895 LOG(log_info, logtype_afpd, "changing password for <%s>", username);
897 if (( pwd = uam_getname( obj, username, sizeof(username))) == NULL )
900 /* send it off to the uam. we really don't use ibuflen right now. */
901 ibuflen -= (ibuf - start);
902 ret = uam->u.uam_changepw(obj, username, pwd, ibuf, ibuflen,
904 LOG(log_info, logtype_afpd, "password change %s.",
905 (ret == AFPERR_AUTHCONT) ? "continued" :
906 (ret ? "failed" : "succeeded"));
915 int afp_getuserinfo(obj, ibuf, ibuflen, rbuf, rbuflen )
918 int ibuflen _U_, *rbuflen;
927 ibuf += sizeof(id); /* userid is not used in AFP 2.0 */
928 memcpy(&bitmap, ibuf, sizeof(bitmap));
929 bitmap = ntohs(bitmap);
931 /* deal with error cases. we don't have to worry about
932 * AFPERR_ACCESS or AFPERR_NOITEM as geteuid and getegid always
936 if ((bitmap & USERIBIT_ALL) != bitmap)
937 return AFPERR_BITMAP;
939 /* copy the bitmap back to reply buffer */
940 memcpy(rbuf, ibuf, sizeof(bitmap));
941 rbuf += sizeof(bitmap);
942 *rbuflen = sizeof(bitmap);
944 /* copy the user/group info */
945 if (bitmap & USERIBIT_USER) {
946 id = htonl(geteuid());
947 memcpy(rbuf, &id, sizeof(id));
949 *rbuflen += sizeof(id);
952 if (bitmap & USERIBIT_GROUP) {
953 id = htonl(getegid());
954 memcpy(rbuf, &id, sizeof(id));
956 *rbuflen += sizeof(id);
962 #define UAM_LIST(type) (((type) == UAM_SERVER_LOGIN || (type) == UAM_SERVER_LOGIN_EXT) ? &uam_login : \
963 (((type) == UAM_SERVER_CHANGEPW) ? \
964 &uam_changepw : NULL))
966 /* just do a linked list search. this could be sped up with a hashed
967 * list, but i doubt anyone's going to have enough uams to matter. */
968 struct uam_obj *auth_uamfind(const int type, const char *name,
971 struct uam_obj *prev, *start;
973 if (!name || !(start = UAM_LIST(type)))
977 while ((prev = prev->uam_prev) != start)
978 if (strndiacasecmp(prev->uam_name, name, len) == 0)
984 int auth_register(const int type, struct uam_obj *uam)
986 struct uam_obj *start;
988 if (!uam || !uam->uam_name || (*uam->uam_name == '\0'))
991 if (!(start = UAM_LIST(type)))
992 return 1; /* we don't know what to do with it, caller must free it */
994 uam_attach(start, uam);
998 /* load all of the modules */
999 int auth_load(const char *path, const char *list)
1001 char name[MAXPATHLEN + 1], buf[MAXPATHLEN + 1], *p;
1002 struct uam_mod *mod;
1006 if (!path || !*path || !list || (len = strlen(path)) > sizeof(name) - 2)
1009 strlcpy(buf, list, sizeof(buf));
1010 if ((p = strtok(buf, ",")) == NULL)
1014 if (name[len - 1] != '/') {
1020 strlcpy(name + len, p, sizeof(name) - len);
1021 LOG(log_debug, logtype_afpd, "uam: loading (%s)", name);
1023 if ((stat(name, &st) == 0) && (mod = uam_load(name, p))) {
1025 if (stat(name, &st) == 0) {
1026 if ((mod = uam_load(name, p))) {
1027 uam_attach(&uam_modules, mod);
1028 LOG(log_info, logtype_afpd, "uam: %s loaded", p);
1030 LOG(log_info, logtype_afpd, "uam: %s load failure",p);
1033 LOG(log_info, logtype_afpd, "uam: uam not found (status=%d)", stat(name, &st));
1035 p = strtok(NULL, ",");
1041 /* get rid of all of the uams */
1044 struct uam_mod *mod, *prev, *start = &uam_modules;
1046 prev = start->uam_prev;
1047 while ((mod = prev) != start) {
1048 prev = prev->uam_prev;