2 * $Id: auth.c,v 1.53 2008-05-23 06:35:49 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 },
84 static struct uam_mod uam_modules = {NULL, NULL, &uam_modules, &uam_modules};
85 static struct uam_obj uam_login = {"", "", 0, {{NULL, NULL, NULL, NULL }}, &uam_login,
87 static struct uam_obj uam_changepw = {"", "", 0, {{NULL, NULL, NULL, NULL}}, &uam_changepw,
90 static struct uam_obj *afp_uam = NULL;
93 void status_versions( data )
100 memcpy(&status, start + AFPSTATUS_VERSOFF, sizeof(status));
101 num = sizeof( afp_versions ) / sizeof( afp_versions[ 0 ] );
102 data += ntohs( status );
104 for ( i = 0; i < num; i++ ) {
105 len = strlen( afp_versions[ i ].av_name );
107 memcpy( data, afp_versions[ i ].av_name , len );
110 status = htons( data - start );
111 memcpy(start + AFPSTATUS_UAMSOFF, &status, sizeof(status));
114 void status_uams(char *data, const char *authlist)
118 struct uam_obj *uams;
121 memcpy(&status, start + AFPSTATUS_UAMSOFF, sizeof(status));
123 while ((uams = uams->uam_prev) != &uam_login) {
124 if (strstr(authlist, uams->uam_path))
128 data += ntohs( status );
130 while ((uams = uams->uam_prev) != &uam_login) {
131 if (strstr(authlist, uams->uam_path)) {
132 LOG(log_info, logtype_afpd, "uam: \"%s\" available", uams->uam_name);
133 len = strlen( uams->uam_name);
135 memcpy( data, uams->uam_name, len );
141 status = htons(data - start);
142 memcpy(start + AFPSTATUS_ICONOFF, &status, sizeof(status));
145 /* handle errors by closing the connection. this is only needed
146 * by the afp_* functions. */
147 static int send_reply(const AFPObj *obj, const int err)
149 if ((err == AFP_OK) || (err == AFPERR_AUTHCONT))
152 obj->reply(obj->handle, err);
158 static int afp_errpwdexpired(obj, ibuf, ibuflen, rbuf, rbuflen )
160 char *ibuf _U_, *rbuf _U_;
161 int ibuflen _U_, *rbuflen;
164 return AFPERR_PWDEXPR;
168 static int set_auth_switch(int expired)
174 * BF: expired password handling
175 * to allow the user to change his/her password we have to allow login
176 * but every following call except for FPChangePassword will be thrown
177 * away with an AFPERR_PWDEXPR error. (thanks to Leland Wallace from Apple
178 * for clarifying this)
181 for (i=0; i<=0xff; i++) {
182 uam_afpserver_action(i, UAM_AFPSERVER_PREAUTH, afp_errpwdexpired, NULL);
184 uam_afpserver_action(AFP_LOGOUT, UAM_AFPSERVER_PREAUTH, afp_logout, NULL);
185 uam_afpserver_action(AFP_CHANGEPW, UAM_AFPSERVER_PREAUTH, afp_changepw, NULL);
188 afp_switch = postauth_switch;
189 switch (afp_version) {
192 uam_afpserver_action(AFP_ENUMERATE_EXT2, UAM_AFPSERVER_POSTAUTH, afp_enumerate_ext2, NULL);
194 uam_afpserver_action(AFP_ENUMERATE_EXT, UAM_AFPSERVER_POSTAUTH, afp_enumerate_ext, NULL);
195 uam_afpserver_action(AFP_BYTELOCK_EXT, UAM_AFPSERVER_POSTAUTH, afp_bytelock_ext, NULL);
196 /* catsearch_ext uses the same packet as catsearch FIXME double check this, it wasn't true for enue
198 uam_afpserver_action(AFP_CATSEARCH_EXT, UAM_AFPSERVER_POSTAUTH, afp_catsearch_ext, NULL);
199 uam_afpserver_action(AFP_GETSESSTOKEN, UAM_AFPSERVER_POSTAUTH, afp_getsession, NULL);
200 uam_afpserver_action(AFP_READ_EXT, UAM_AFPSERVER_POSTAUTH, afp_read_ext, NULL);
201 uam_afpserver_action(AFP_WRITE_EXT, UAM_AFPSERVER_POSTAUTH, afp_write_ext, NULL);
202 uam_afpserver_action(AFP_DISCTOLDSESS, UAM_AFPSERVER_POSTAUTH, afp_disconnect, NULL);
206 * If first connection to a server is done in classic AFP2.2 version is used
207 * but OSX uses AFP3.x FPzzz command !
209 uam_afpserver_action(AFP_ZZZ, UAM_AFPSERVER_POSTAUTH, afp_zzz, NULL);
217 static int login(AFPObj *obj, struct passwd *pwd, void (*logout)(void), int expired)
221 #endif /* ADMIN_GRP */
223 /* UAM had syslog control; afpd needs to reassert itself */
224 set_processname("afpd");
225 syslog_setup(log_debug, logtype_default, logoption_ndelay|logoption_pid, logfacility_daemon);
227 if ( pwd->pw_uid == 0 ) { /* don't allow root login */
228 LOG(log_error, logtype_afpd, "login: root login denied!" );
229 return AFPERR_NOTAUTH;
232 LOG(log_info, logtype_afpd, "login %s (uid %d, gid %d) %s", pwd->pw_name,
233 pwd->pw_uid, pwd->pw_gid , afp_versions[afp_version_index].av_name);
236 if (obj->proto == AFPPROTO_ASP) {
237 ASP asp = obj->handle;
238 int addr_net = ntohs( asp->asp_sat.sat_addr.s_net );
239 int addr_node = asp->asp_sat.sat_addr.s_node;
241 if (obj->options.authprintdir) {
242 if(addr_net && addr_node) { /* Do we have a valid Appletalk address? */
245 int mypid = getpid();
246 struct stat stat_buf;
248 sprintf(nodename, "%s/net%d.%dnode%d", obj->options.authprintdir,
249 addr_net / 256, addr_net % 256, addr_node);
250 LOG(log_info, logtype_afpd, "registering %s (uid %d) on %u.%u as %s",
251 pwd->pw_name, pwd->pw_uid, addr_net, addr_node, nodename);
253 if (stat(nodename, &stat_buf) == 0) { /* file exists */
254 if (S_ISREG(stat_buf.st_mode)) { /* normal file */
256 fp = fopen(nodename, "w");
257 fprintf(fp, "%s:%d\n", pwd->pw_name, mypid);
259 chown( nodename, pwd->pw_uid, -1 );
260 } else { /* somebody is messing with us */
261 LOG(log_error, logtype_afpd, "print authfile %s is not a normal file, it will not be modified", nodename );
263 } else { /* file 'nodename' does not exist */
264 fp = fopen(nodename, "w");
265 fprintf(fp, "%s:%d\n", pwd->pw_name, mypid);
267 chown( nodename, pwd->pw_uid, -1 );
269 } /* if (addr_net && addr_node ) */
270 } /* if (options->authprintdir) */
271 } /* if (obj->proto == AFPPROTO_ASP) */
274 if (initgroups( pwd->pw_name, pwd->pw_gid ) < 0) {
276 LOG(log_info, logtype_afpd, "running with uid %d", geteuid());
277 #else /* RUN_AS_USER */
278 LOG(log_error, logtype_afpd, "login: %s", strerror(errno));
279 return AFPERR_BADUAM;
280 #endif /* RUN_AS_USER */
284 /* Basically if the user is in the admin group, we stay root */
286 if (( ngroups = getgroups( 0, NULL )) < 0 ) {
287 LOG(log_error, logtype_afpd, "login: %s getgroups: %s", pwd->pw_name, strerror(errno) );
288 return AFPERR_BADUAM;
291 if ( NULL == (groups = calloc(ngroups, GROUPS_SIZE)) ) {
292 LOG(log_error, logtype_afpd, "login: %s calloc: %d", ngroups);
293 return AFPERR_BADUAM;
296 if (( ngroups = getgroups( ngroups, groups )) < 0 ) {
297 LOG(log_error, logtype_afpd, "login: %s getgroups: %s", pwd->pw_name, strerror(errno) );
298 return AFPERR_BADUAM;
303 LOG(log_info, logtype_afpd, "obj->options.admingid == %d", obj->options.admingid);
305 if (obj->options.admingid != 0) {
307 for (i = 0; i < ngroups; i++) {
308 if (groups[i] == obj->options.admingid) admin = 1;
313 LOG(log_info, logtype_afpd, "admin login -- %s", pwd->pw_name );
319 struct DSI *dsi = obj->handle;
326 afp_get_cmdline( &argc, &argv );
328 hp = gethostbyaddr( (char *) &dsi->client.sin_addr,
329 sizeof( struct in_addr ),
330 dsi->client.sin_family );
333 clientname = hp->h_name;
335 clientname = inet_ntoa( dsi->client.sin_addr );
337 sprintf( hostname, "%s@%s", pwd->pw_name, clientname );
339 if( sia_become_user( NULL, argc, argv, hostname, pwd->pw_name,
340 NULL, FALSE, NULL, NULL,
341 SIA_BEU_REALLOGIN ) != SIASUCCESS )
342 return AFPERR_BADUAM;
344 LOG(log_info, logtype_afpd, "session from %s (%s)", hostname,
345 inet_ntoa( dsi->client.sin_addr ) );
347 if (setegid( pwd->pw_gid ) < 0 || seteuid( pwd->pw_uid ) < 0) {
348 LOG(log_error, logtype_afpd, "login: %s %s", pwd->pw_name, strerror(errno) );
349 return AFPERR_BADUAM;
353 if (setegid( pwd->pw_gid ) < 0 || seteuid( pwd->pw_uid ) < 0) {
354 LOG(log_error, logtype_afpd, "login: %s %s", pwd->pw_name, strerror(errno) );
355 return AFPERR_BADUAM;
359 /* There's probably a better way to do this, but for now, we just
365 #endif /* ADMIN_GRP */
368 set_auth_switch(expired);
370 obj->logout = logout;
374 save_uidgid ( &obj->uidgid );
380 /* ---------------------- */
381 int afp_zzz (obj, ibuf, ibuflen, rbuf, rbuflen ) /* Function 122 */
383 char *ibuf _U_, *rbuf;
384 unsigned int ibuflen _U_, *rbuflen;
390 retdata = obj->options.sleep /120;
394 *rbuflen = sizeof(retdata);
395 retdata = htonl(retdata);
396 memcpy(rbuf, &retdata, sizeof(retdata));
399 rbuf += sizeof(retdata);
403 /* ---------------------- */
404 static int create_session_token(AFPObj *obj)
408 /* use 8 bytes for token as OSX, don't know if it helps */
409 if ( sizeof(pid_t) > SESSIONTOKEN_LEN) {
410 LOG(log_error, logtype_afpd, "sizeof(pid_t) > %u", SESSIONTOKEN_LEN );
414 if ( NULL == (obj->sinfo.sessiontoken = malloc(SESSIONTOKEN_LEN)) )
417 memset(obj->sinfo.sessiontoken, 0, SESSIONTOKEN_LEN);
418 obj->sinfo.sessiontoken_len = SESSIONTOKEN_LEN;
420 memcpy(obj->sinfo.sessiontoken, &pid, sizeof(pid_t));
425 static int create_session_key(AFPObj *obj)
427 /* create session key */
428 if (obj->sinfo.sessionkey == NULL) {
429 if (NULL == (obj->sinfo.sessionkey = malloc(SESSIONKEY_LEN)) )
431 uam_random_string(obj, obj->sinfo.sessionkey, SESSIONKEY_LEN);
432 obj->sinfo.sessionkey_len = SESSIONKEY_LEN;
438 /* ---------------------- */
439 int afp_getsession(obj, ibuf, ibuflen, rbuf, rbuflen )
442 unsigned int ibuflen, *rbuflen;
457 memcpy(&type, ibuf, sizeof(type));
459 ibuf += sizeof(type);
460 ibuflen -= sizeof(type);
462 if ( obj->sinfo.sessiontoken == NULL ) {
463 if ( create_session_token( obj ) )
471 case 0: /* old version ?*/
472 tklen = obj->sinfo.sessiontoken_len;
473 token = obj->sinfo.sessiontoken;
475 case 1: /* disconnect */
476 case 2: /* reconnect update id */
477 if (ibuflen >= sizeof(idlen)) {
478 memcpy(&idlen, ibuf, sizeof(idlen));
479 idlen = ntohl(idlen);
480 ibuf += sizeof(idlen);
481 ibuflen -= sizeof(idlen);
482 if (ibuflen < idlen) {
485 /* memcpy (id, ibuf, idlen) */
486 tklen = obj->sinfo.sessiontoken_len;
487 token = obj->sinfo.sessiontoken;
494 memcpy( &idlen, ibuf, sizeof(idlen));
495 idlen = ntohl(idlen);
496 ibuf += sizeof(idlen);
497 ibuflen -= sizeof(idlen);
498 ibuf += sizeof(boottime);
499 ibuflen -= sizeof(boottime);
500 if (ibuflen < idlen || idlen > (90-10)) {
503 server_ipc_write(IPC_GETSESSION, idlen+8, p );
504 tklen = obj->sinfo.sessiontoken_len;
505 token = obj->sinfo.sessiontoken;
508 case 8: /* Panther Kerberos Token */
509 tklen = obj->sinfo.cryptedkey_len;
510 token = obj->sinfo.cryptedkey;
522 memcpy(rbuf, &tp, sizeof(tklen));
523 rbuf += sizeof(tklen);
524 *rbuflen += sizeof(tklen);
526 memcpy(rbuf, token, tklen);
532 /* ---------------------- */
533 int afp_disconnect(obj, ibuf, ibuflen, rbuf, rbuflen )
535 char *ibuf, *rbuf _U_;
536 int ibuflen _U_, *rbuflen;
548 /* check for guest user */
549 if ( 0 == (strcasecmp(obj->username, obj->options.guest)) ) {
554 memcpy(&type, ibuf, sizeof(type));
556 ibuf += sizeof(type);
558 memcpy(&tklen, ibuf, sizeof(tklen));
559 tklen = ntohl(tklen);
560 ibuf += sizeof(tklen);
562 if ( sizeof(pid_t) > SESSIONTOKEN_LEN) {
563 LOG(log_error, logtype_afpd, "sizeof(pid_t) > %u", SESSIONTOKEN_LEN );
566 if (tklen != SESSIONTOKEN_LEN) {
569 tklen = sizeof(pid_t);
570 memcpy(&token, ibuf, tklen);
572 /* our stuff is pid + zero pad */
574 for (i = tklen; i < SESSIONTOKEN_LEN; i++, ibuf++) {
580 /* killed old session, not easy */
581 server_ipc_write(IPC_KILLTOKEN, tklen, &token);
584 return AFPERR_SESSCLOS; /* was AFP_OK */
587 /* ---------------------- */
588 static int get_version(obj, ibuf, ibuflen, len)
596 if (!len || len > ibuflen)
597 return AFPERR_BADVERS;
599 num = sizeof( afp_versions ) / sizeof( afp_versions[ 0 ]);
600 for ( i = 0; i < num; i++ ) {
601 if ( strncmp( ibuf, afp_versions[ i ].av_name , len ) == 0 ) {
602 afp_version = afp_versions[ i ].av_number;
603 afp_version_index = i;
607 if ( i == num ) /* An inappropo version */
608 return AFPERR_BADVERS ;
610 if (afp_version >= 30 && obj->proto != AFPPROTO_DSI)
611 return AFPERR_BADVERS ;
614 if (afp_version >= 30 && sizeof(off_t) != 8) {
615 LOG(log_error, logtype_afpd, "get_version: no LARGE_FILE support recompile!" );
616 return AFPERR_BADVERS ;
622 /* ---------------------- */
623 int afp_login(obj, ibuf, ibuflen, rbuf, rbuflen )
626 int ibuflen, *rbuflen;
628 struct passwd *pwd = NULL;
634 return send_reply(obj, AFPERR_SHUTDOWN );
637 return send_reply(obj, AFPERR_BADVERS );
640 len = (unsigned char) *ibuf++;
643 i = get_version(obj, ibuf, ibuflen, len);
645 return send_reply(obj, i );
651 return send_reply(obj, AFPERR_BADUAM);
653 len = (unsigned char) *ibuf++;
656 if (!len || len > ibuflen)
657 return send_reply(obj, AFPERR_BADUAM);
659 if (NULL == (afp_uam = auth_uamfind(UAM_SERVER_LOGIN, ibuf, len)) )
660 return send_reply(obj, AFPERR_BADUAM);
664 if (AFP_OK != (i = create_session_key(obj)) )
665 return send_reply(obj, i);
667 i = afp_uam->u.uam_login.login(obj, &pwd, ibuf, ibuflen, rbuf, rbuflen);
669 if (!pwd || ( i != AFP_OK && i != AFPERR_PWDEXPR))
670 return send_reply(obj, i);
672 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((i==AFPERR_PWDEXPR)?1:0)));
675 /* ---------------------- */
676 int afp_login_ext(obj, ibuf, ibuflen, rbuf, rbuflen )
679 unsigned int ibuflen, *rbuflen;
681 struct passwd *pwd = NULL;
691 return send_reply(obj, AFPERR_SHUTDOWN );
694 return send_reply(obj, AFPERR_BADVERS );
700 len = (unsigned char) *ibuf;
704 i = get_version(obj, ibuf, ibuflen, len);
706 return send_reply(obj, i );
712 return send_reply(obj, AFPERR_BADUAM);
714 len = (unsigned char) *ibuf;
718 if (!len || len > ibuflen)
719 return send_reply(obj, AFPERR_BADUAM);
721 if ((afp_uam = auth_uamfind(UAM_SERVER_LOGIN, ibuf, len)) == NULL)
722 return send_reply(obj, AFPERR_BADUAM);
726 if (!afp_uam->u.uam_login.login_ext) {
727 LOG(log_error, logtype_afpd, "login_ext: uam %s not AFP 3 ready!", afp_uam->uam_name );
728 return send_reply(obj, AFPERR_BADUAM);
731 if (len <= 1 +sizeof(len16))
732 return send_reply(obj, AFPERR_PARAM);
738 return send_reply(obj, AFPERR_PARAM);
740 memcpy(&len16, ibuf, sizeof(len16));
741 ibuf += sizeof(len16);
742 ibuflen -= sizeof(len16);
745 return send_reply(obj, AFPERR_PARAM);
749 /* directory service name */
751 return send_reply(obj, AFPERR_PARAM);
760 return send_reply(obj, AFPERR_PARAM);
761 len = (unsigned char) *ibuf;
766 /* With "No User Authen" it is equal */
767 if (ibuflen < sizeof(len16))
768 return send_reply(obj, AFPERR_PARAM);
769 memcpy(&len16, ibuf, sizeof(len16));
770 ibuf += sizeof(len16);
771 ibuflen -= sizeof(len16);
775 return send_reply(obj, AFPERR_PARAM);
779 LOG(log_error, logtype_afpd, "login_ext: directory service path not null!" );
780 return send_reply(obj, AFPERR_PARAM);
787 if (ibuflen && ((unsigned long) ibuf & 1)) { /* pad character */
792 if (AFP_OK != (i = create_session_key(obj)) ) {
793 return send_reply(obj, i);
796 /* FIXME user name are in UTF8 */
797 i = afp_uam->u.uam_login.login_ext(obj, username, &pwd, ibuf, ibuflen, rbuf, rbuflen);
799 if (!pwd || ( i != AFP_OK && i != AFPERR_PWDEXPR))
800 return send_reply(obj, i);
802 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((i==AFPERR_PWDEXPR)?1:0)));
805 /* ---------------------- */
806 int afp_logincont(obj, ibuf, ibuflen, rbuf, rbuflen)
809 int ibuflen, *rbuflen;
811 struct passwd *pwd = NULL;
814 if ( afp_uam == NULL || afp_uam->u.uam_login.logincont == NULL ) {
816 return send_reply(obj, AFPERR_NOTAUTH );
819 ibuf += 2; ibuflen -= 2;
820 err = afp_uam->u.uam_login.logincont(obj, &pwd, ibuf, ibuflen,
822 if (!pwd || ( err != AFP_OK && err != AFPERR_PWDEXPR))
823 return send_reply(obj, err);
825 return send_reply(obj, login(obj, pwd, afp_uam->u.uam_login.logout, ((err==AFPERR_PWDEXPR)?1:0)));
829 int afp_logout(obj, ibuf, ibuflen, rbuf, rbuflen)
831 char *ibuf _U_, *rbuf _U_;
832 int ibuflen _U_, *rbuflen _U_;
834 LOG(log_info, logtype_afpd, "logout %s", obj->username);
842 /* change password --
843 * NOTE: an FPLogin must already have completed successfully for this
844 * to work. this also does a little pre-processing before it hands
847 int afp_changepw(obj, ibuf, ibuflen, rbuf, rbuflen )
850 int ibuflen, *rbuflen;
852 char username[MACFILELEN + 1], *start = ibuf;
861 /* check if password change is allowed, OS-X ignores the flag.
862 * we shouldn't trust the client on this anyway.
863 * not sure about the "right" error code, NOOP for now */
864 if (!(obj->options.passwdbits & PASSWD_SET))
867 /* make sure we can deal w/ this uam */
868 len = (unsigned char) *ibuf++;
869 if ((uam = auth_uamfind(UAM_SERVER_CHANGEPW, ibuf, len)) == NULL)
870 return AFPERR_BADUAM;
873 if ((len + 1) & 1) /* pad byte */
876 if ( afp_version < 30) {
877 len = (unsigned char) *ibuf++;
878 if ( len > sizeof(username) - 1) {
881 memcpy(username, ibuf, len);
882 username[ len ] = '\0';
884 if ((len + 1) & 1) /* pad byte */
887 /* AFP > 3.0 doesn't pass the username, APF 3.1 specs page 124 */
888 if ( ibuf[0] != '\0' || ibuf[1] != '\0')
891 len = MIN(sizeof(username), strlen(obj->username));
892 memcpy(username, obj->username, len);
893 username[ len ] = '\0';
897 LOG(log_info, logtype_afpd, "changing password for <%s>", username);
899 if (( pwd = uam_getname( obj, username, sizeof(username))) == NULL )
902 /* send it off to the uam. we really don't use ibuflen right now. */
903 ibuflen -= (ibuf - start);
904 ret = uam->u.uam_changepw(obj, username, pwd, ibuf, ibuflen,
906 LOG(log_info, logtype_afpd, "password change %s.",
907 (ret == AFPERR_AUTHCONT) ? "continued" :
908 (ret ? "failed" : "succeeded"));
917 int afp_getuserinfo(obj, ibuf, ibuflen, rbuf, rbuflen )
920 int ibuflen _U_, *rbuflen;
929 ibuf += sizeof(id); /* userid is not used in AFP 2.0 */
930 memcpy(&bitmap, ibuf, sizeof(bitmap));
931 bitmap = ntohs(bitmap);
933 /* deal with error cases. we don't have to worry about
934 * AFPERR_ACCESS or AFPERR_NOITEM as geteuid and getegid always
938 if ((bitmap & USERIBIT_ALL) != bitmap)
939 return AFPERR_BITMAP;
941 /* copy the bitmap back to reply buffer */
942 memcpy(rbuf, ibuf, sizeof(bitmap));
943 rbuf += sizeof(bitmap);
944 *rbuflen = sizeof(bitmap);
946 /* copy the user/group info */
947 if (bitmap & USERIBIT_USER) {
948 id = htonl(geteuid());
949 memcpy(rbuf, &id, sizeof(id));
951 *rbuflen += sizeof(id);
954 if (bitmap & USERIBIT_GROUP) {
955 id = htonl(getegid());
956 memcpy(rbuf, &id, sizeof(id));
958 *rbuflen += sizeof(id);
964 #define UAM_LIST(type) (((type) == UAM_SERVER_LOGIN || (type) == UAM_SERVER_LOGIN_EXT) ? &uam_login : \
965 (((type) == UAM_SERVER_CHANGEPW) ? \
966 &uam_changepw : NULL))
968 /* just do a linked list search. this could be sped up with a hashed
969 * list, but i doubt anyone's going to have enough uams to matter. */
970 struct uam_obj *auth_uamfind(const int type, const char *name,
973 struct uam_obj *prev, *start;
975 if (!name || !(start = UAM_LIST(type)))
979 while ((prev = prev->uam_prev) != start)
980 if (strndiacasecmp(prev->uam_name, name, len) == 0)
986 int auth_register(const int type, struct uam_obj *uam)
988 struct uam_obj *start;
990 if (!uam || !uam->uam_name || (*uam->uam_name == '\0'))
993 if (!(start = UAM_LIST(type)))
994 return 1; /* we don't know what to do with it, caller must free it */
996 uam_attach(start, uam);
1000 /* load all of the modules */
1001 int auth_load(const char *path, const char *list)
1003 char name[MAXPATHLEN + 1], buf[MAXPATHLEN + 1], *p;
1004 struct uam_mod *mod;
1008 if (!path || !*path || !list || (len = strlen(path)) > sizeof(name) - 2)
1011 strlcpy(buf, list, sizeof(buf));
1012 if ((p = strtok(buf, ",")) == NULL)
1016 if (name[len - 1] != '/') {
1022 strlcpy(name + len, p, sizeof(name) - len);
1023 LOG(log_debug, logtype_afpd, "uam: loading (%s)", name);
1025 if ((stat(name, &st) == 0) && (mod = uam_load(name, p))) {
1027 if (stat(name, &st) == 0) {
1028 if ((mod = uam_load(name, p))) {
1029 uam_attach(&uam_modules, mod);
1030 LOG(log_info, logtype_afpd, "uam: %s loaded", p);
1032 LOG(log_info, logtype_afpd, "uam: %s load failure",p);
1035 LOG(log_info, logtype_afpd, "uam: uam not found (status=%d)", stat(name, &st));
1037 p = strtok(NULL, ",");
1043 /* get rid of all of the uams */
1046 struct uam_mod *mod, *prev, *start = &uam_modules;
1048 prev = start->uam_prev;
1049 while ((mod = prev) != start) {
1050 prev = prev->uam_prev;