4 * Copyright 1990,1991 by the Massachusetts Institute of Technology
5 * For distribution and copying rights, see the file "mit-copyright.h"
8 * Copyright (c) 2005, 2006
9 * The Linux Box Corporation
12 * Permission is granted to use, copy, create derivative works
13 * and redistribute this software and such derivative works
14 * for any purpose, so long as the name of the Linux Box
15 * Corporation is not used in any advertising or publicity
16 * pertaining to the use or distribution of this software
17 * without specific, written prior authorization. If the
18 * above copyright notice or any other identification of the
19 * Linux Box Corporation is included in any copy of any
20 * portion of this software, then the disclaimer below must
23 * This software is provided as is, without representation
24 * from the Linux Box Corporation as to its fitness for any
25 * purpose, and without warranty by the Linux Box Corporation
26 * of any kind, either express or implied, including
27 * without limitation the implied warranties of
28 * merchantability and fitness for a particular purpose. The
29 * regents of the Linux Box Corporation shall not be liable
30 * for any damages, including special, indirect, incidental, or
31 * consequential damages, with respect to any claim arising
32 * out of or in connection with the use of the software, even
33 * if it has been or is hereafter advised of the possibility of
37 #include <afsconfig.h>
42 #include <sys/types.h>
57 #include <sys/param.h>
58 #include <sys/errno.h>
60 #include <sys/socket.h>
61 #include <netinet/in.h>
62 #include <arpa/inet.h>
69 #ifndef HAVE_KERBEROSV_HEIM_ERR_H
70 #include <afs/com_err.h>
73 #include <afs/param.h>
75 #include <sys/ioccom.h>
78 /* Prevent inclusion of des.h to avoid conflicts with des types */
79 #define NO_DES_H_INCLUDE
82 #include <afs/cellconfig.h>
84 #include <afs/venus.h>
85 #include <afs/ptserver.h>
86 #include <afs/ptuser.h>
87 #include <afs/dirpath.h>
90 #include "linked_list.h"
92 #ifdef HAVE_KRB5_CREDS_KEYBLOCK
95 #ifdef HAVE_KRB5_CREDS_SESSION
96 #define USING_HEIMDAL 1
102 #ifndef AFS_TRY_FULL_PRINC
103 #define AFS_TRY_FULL_PRINC 1
104 #endif /* AFS_TRY_FULL_PRINC */
106 #define AKLOG_TRYAGAIN -1
107 #define AKLOG_SUCCESS 0
108 #define AKLOG_USAGE 1
109 #define AKLOG_SOMETHINGSWRONG 2
111 #define AKLOG_KERBEROS 4
112 #define AKLOG_TOKEN 5
113 #define AKLOG_BADPATH 6
129 /* RedHat 4.x doesn't seem to define this */
130 #define MAXSYMLINKS 5
133 #define DIR '/' /* Character that divides directories */
134 #define DIRSTRING "/" /* String form of above */
135 #define VOLMARKER ':' /* Character separating cellname from mntpt */
136 #define VOLMARKERSTRING ":" /* String form of above */
140 char realm[REALM_SZ];
143 struct afsconf_cell ak_cellconfig; /* General information about the cell */
144 static char linkedcell[MAXCELLCHARS+1];
145 static char linkedcell2[MAXCELLCHARS+1];
146 static krb5_ccache _krb425_ccache = NULL;
149 * Why doesn't AFS provide these prototypes?
152 extern int pioctl(char *, afs_int32, struct ViceIoctl *, afs_int32);
158 extern char *afs_realm_of_cell(krb5_context, struct afsconf_cell *, int);
159 static int isdir(char *, unsigned char *);
160 static krb5_error_code get_credv5(krb5_context context, char *, char *,
161 char *, krb5_creds **);
162 static int get_user_realm(krb5_context, char *);
164 #define TRYAGAIN(x) (x == AKLOG_TRYAGAIN || \
165 x == KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN || \
166 x == KRB5KRB_ERR_GENERIC)
168 #if defined(HAVE_KRB5_PRINC_SIZE) || defined(krb5_princ_size)
170 #define get_princ_str(c, p, n) krb5_princ_component(c, p, n)->data
171 #define get_princ_len(c, p, n) krb5_princ_component(c, p, n)->length
172 #define second_comp(c, p) (krb5_princ_size(c, p) > 1)
173 #define realm_data(c, p) krb5_princ_realm(c, p)->data
174 #define realm_len(c, p) krb5_princ_realm(c, p)->length
176 #elif defined(HAVE_KRB5_PRINCIPAL_GET_COMP_STRING)
178 #define get_princ_str(c, p, n) krb5_principal_get_comp_string(c, p, n)
179 #define get_princ_len(c, p, n) strlen(krb5_principal_get_comp_string(c, p, n))
180 #define second_comp(c, p) (krb5_principal_get_comp_string(c, p, 1) != NULL)
181 #define realm_data(c, p) krb5_realm_data(krb5_principal_get_realm(c, p))
182 #define realm_len(c, p) krb5_realm_length(krb5_principal_get_realm(c, p))
185 #error "Must have either krb5_princ_size or krb5_principal_get_comp_string"
188 #if !defined(HAVE_KRB5_ENCRYPT_TKT_PART) && defined(HAVE_ENCODE_KRB5_ENC_TKT_PART) && defined(HAVE_KRB5_C_ENCRYPT)
189 extern krb5_error_code encode_krb5_enc_tkt_part (const krb5_enc_tkt_part *rep, krb5_data **code);
192 krb5_encrypt_tkt_part(krb5_context context,
193 const krb5_keyblock *key,
200 if ((code = encode_krb5_enc_tkt_part(ticket->enc_part2, &data)))
202 if ((code = krb5_c_encrypt_length(context, key->enctype,
203 data->length, &enclen)))
205 ticket->enc_part.ciphertext.length = enclen;
206 if (!(ticket->enc_part.ciphertext.data = malloc(enclen))) {
210 if ((code = krb5_c_encrypt(context, key, KRB5_KEYUSAGE_KDC_REP_TICKET,
211 0, data, &ticket->enc_part))) {
212 free(ticket->enc_part.ciphertext.data);
213 ticket->enc_part.ciphertext.data = 0;
225 #if defined(HAVE_KRB5_CREDS_KEYBLOCK)
227 #define get_cred_keydata(c) c->keyblock.contents
228 #define get_cred_keylen(c) c->keyblock.length
229 #define get_creds_enctype(c) c->keyblock.enctype
231 #elif defined(HAVE_KRB5_CREDS_SESSION)
233 #define get_cred_keydata(c) c->session.keyvalue.data
234 #define get_cred_keylen(c) c->session.keyvalue.length
235 #define get_creds_enctype(c) c->session.keytype
238 #error "Must have either keyblock or session member of krb5_creds"
241 #if !defined(HAVE_KRB5_524_CONVERT_CREDS) && defined(HAVE_KRB524_CONVERT_CREDS_KDC)
242 #define krb5_524_convert_creds krb524_convert_creds_kdc
243 #elif !defined(HAVE_KRB5_524_CONVERT_CREDS) && !defined(HAVE_KRB524_CONVERT_CREDS_KDC)
244 #define HAVE_NO_KRB5_524
248 #define deref_keyblock_enctype(kb) \
251 #define deref_entry_keyblock(entry) \
254 #define deref_session_key(creds) \
257 #define deref_enc_tkt_addrs(tkt) \
260 #define deref_enc_length(enc) \
261 ((enc)->cipher.length)
263 #define deref_enc_data(enc) \
266 #define krb5_free_keytab_entry_contents krb5_kt_free_entry
269 #define deref_keyblock_enctype(kb) \
272 #define deref_entry_keyblock(entry) \
275 #define deref_session_key(creds) \
278 #define deref_enc_tkt_addrs(tkt) \
281 #define deref_enc_length(enc) \
282 ((enc)->ciphertext.length)
284 #define deref_enc_data(enc) \
285 ((enc)->ciphertext.data)
289 #define deref_entry_enctype(entry) \
290 deref_keyblock_enctype(&deref_entry_keyblock(entry))
293 * Provide a replacement for strerror if we don't have it
296 #ifndef HAVE_STRERROR
297 extern char *sys_errlist[];
298 #define strerror(x) sys_errlist[x]
299 #endif /* HAVE_STRERROR */
301 static char *progname = NULL; /* Name of this program */
302 static int dflag = FALSE; /* Give debugging information */
303 static int noauth = FALSE; /* If true, don't try to get tokens */
304 static int zsubs = FALSE; /* Are we keeping track of zephyr subs? */
305 static int hosts = FALSE; /* Are we keeping track of hosts? */
306 static int noprdb = FALSE; /* Skip resolving name to id? */
307 static int linked = FALSE; /* try for both AFS nodes */
308 static int afssetpag = FALSE; /* setpag for AFS */
309 static int force = FALSE; /* Bash identical tokens? */
310 static int do524 = FALSE; /* Should we do 524 instead of rxkad2b? */
311 static char *keytab = NULL; /* keytab for akimpersonate */
312 static char *client = NULL; /* client principal for akimpersonate */
313 static linked_list zsublist; /* List of zephyr subscriptions */
314 static linked_list hostlist; /* List of host addresses */
315 static linked_list authedcells; /* List of cells already logged to */
317 /* A com_error bodge. The idea here is that this routine lets us lookup
318 * things in the system com_err, if the AFS one just tells us the error
323 redirect_errors(const char *who, afs_int32 code, const char *fmt, va_list ap)
330 const char *str = afs_error_message(code);
331 if (strncmp(str, "unknown", strlen("unknown")) == 0) {
332 str = error_message(code);
338 vfprintf(stderr, fmt, ap);
344 /* ANL - CMU lifetime convert routine */
345 /* for K5.4.1 don't use this for now. Need to see if it is needed */
346 /* maybe needed in the krb524d module as well */
347 /* extern unsigned long krb_life_to_time(); */
349 static char *copy_cellinfo(cellinfo_t *cellinfo)
351 cellinfo_t *new_cellinfo;
353 if ((new_cellinfo = (cellinfo_t *)malloc(sizeof(cellinfo_t))))
354 memcpy(new_cellinfo, cellinfo, sizeof(cellinfo_t));
356 return ((char *)new_cellinfo);
360 static int get_cellconfig(char *cell, struct afsconf_cell *cellconfig, char *local_cell, char *linkedcell)
362 int status = AKLOG_SUCCESS;
363 struct afsconf_dir *configdir;
365 memset(local_cell, 0, sizeof(local_cell));
366 memset(cellconfig, 0, sizeof(*cellconfig));
368 if (!(configdir = afsconf_Open(AFSDIR_CLIENT_ETC_DIRPATH))) {
370 "%s: can't get afs configuration (afsconf_Open(%s))\n",
371 progname, AFSDIR_CLIENT_ETC_DIRPATH);
375 if (afsconf_GetLocalCell(configdir, local_cell, MAXCELLCHARS)) {
376 fprintf(stderr, "%s: can't determine local cell.\n", progname);
380 if ((cell == NULL) || (cell[0] == 0))
383 linkedcell[0] = '\0';
384 if (afsconf_GetCellInfo(configdir, cell, NULL, cellconfig)) {
385 fprintf(stderr, "%s: Can't get information about cell %s.\n",
389 if (cellconfig->linkedCell)
390 strncpy(linkedcell,cellconfig->linkedCell,MAXCELLCHARS);
392 (void) afsconf_Close(configdir);
398 * Log to a cell. If the cell has already been logged to, return without
399 * doing anything. Otherwise, log to it and mark that it has been logged
402 static int auth_to_cell(krb5_context context, char *cell, char *realm)
404 int status = AKLOG_SUCCESS;
405 char username[BUFSIZ]; /* To hold client username structure */
406 afs_int32 viceId; /* AFS uid of user */
408 char realm_of_user[REALM_SZ]; /* Kerberos realm of user */
409 char *realm_from_princ = 0 ; /* Calculated realm data */
410 char *realm_of_cell = 0; /* Pointer to realm we're using */
411 int retry; /* round, and round we go ... */
413 char local_cell[MAXCELLCHARS+1];
414 char cell_to_use[MAXCELLCHARS+1]; /* Cell to authenticate to */
415 static char lastcell[MAXCELLCHARS+1] = { 0 };
416 static char confname[512] = { 0 };
417 krb5_creds *v5cred = NULL;
418 struct ktc_principal aserver;
419 struct ktc_principal aclient;
420 struct ktc_token atoken, btoken;
422 memset(realm_of_user, 0, sizeof(realm_of_user));
424 if (confname[0] == '\0') {
425 strncpy(confname, AFSDIR_CLIENT_ETC_DIRPATH, sizeof(confname));
426 confname[sizeof(confname) - 2] = '\0';
429 /* NULL or empty cell returns information on local cell */
430 if ((status = get_cellconfig(cell, &ak_cellconfig,
431 local_cell, linkedcell)))
434 strncpy(cell_to_use, ak_cellconfig.name, MAXCELLCHARS);
435 cell_to_use[MAXCELLCHARS] = 0;
437 if (ll_string(&authedcells, ll_s_check, cell_to_use)) {
439 printf("Already authenticated to %s (or tried to)\n",
442 return(AKLOG_SUCCESS);
446 * Record that we have attempted to log to this cell. We do this
447 * before we try rather than after so that we will not try
448 * and fail repeatedly for one cell.
450 (void)ll_string(&authedcells, ll_s_add, cell_to_use);
453 * Record this cell in the list of zephyr subscriptions. We may
454 * want zephyr subscriptions even if authentication fails.
455 * If this is done after we attempt to get tokens, aklog -zsubs
456 * can return something different depending on whether or not we
457 * are in -noauth mode.
459 if (ll_string(&zsublist, ll_s_add, cell_to_use) == LL_FAILURE) {
461 "%s: failure adding cell %s to zephyr subscriptions list.\n",
462 progname, cell_to_use);
465 if (ll_string(&zsublist, ll_s_add, local_cell) == LL_FAILURE) {
467 "%s: failure adding cell %s to zephyr subscriptions list.\n",
468 progname, local_cell);
474 printf("Authenticating to cell %s (server %s).\n",
475 cell_to_use, ak_cellconfig.hostName[0]);
478 if ((status = get_user_realm(context, realm_of_user))) {
479 fprintf(stderr, "%s: Couldn't determine realm of user:)",
481 afs_com_err(progname, status, " while getting realm");
482 return(AKLOG_KERBEROS);
489 /* This code tries principals in the following, much debated,
492 * If the realm is specified on the command line we do
493 * - afs/cell@COMMAND-LINE-REALM
494 * - afs@COMMAND-LINE-REALM
497 * - afs/cell@REALM-FROM-USERS-PRINCIPAL
498 * - afs/cell@krb5_get_host_realm(db-server)
499 * Then, if krb5_get_host_realm(db-server) is non-empty
500 * - afs@ krb5_get_host_realm(db-server)
502 * - afs/cell@ upper-case-domain-of-db-server
503 * - afs@ upper-case-domain-of-db-server
505 * In all cases, the 'afs@' variant is only tried where the
506 * cell and the realm match case-insensitively.
509 /* Cell on command line - use that one */
510 if (realm && realm[0]) {
511 realm_of_cell = realm;
512 status = AKLOG_TRYAGAIN;
514 printf("We were told to authenticate to realm %s.\n",
518 /* Initially, try using afs/cell@USERREALM */
520 printf("Trying to authenticate to user's realm %s.\n",
524 realm_of_cell = realm_of_user;
525 status = get_credv5(context, AFSKEY, cell_to_use,
526 realm_of_cell, &v5cred);
528 /* If that failed, try to determine the realm from the name of
529 * one of the DB servers */
530 if (TRYAGAIN(status)) {
531 realm_of_cell = afs_realm_of_cell(context, &ak_cellconfig,
533 if (!realm_of_cell) {
535 "%s: Couldn't figure out realm for cell %s.\n",
536 progname, cell_to_use);
541 if (realm_of_cell[0])
542 printf("We've deduced that we need to authenticate"
543 " to realm %s.\n", realm_of_cell);
545 printf("We've deduced that we need to authenticate "
546 "using referrals.\n");
551 if (TRYAGAIN(status)) {
552 /* If we've got the full-princ-first option, or we're in a
553 * different realm from the cell - use the cell name as the
555 if (AFS_TRY_FULL_PRINC ||
556 strcasecmp(cell_to_use, realm_of_cell)!=0) {
557 status = get_credv5(context, AFSKEY, cell_to_use,
558 realm_of_cell, &v5cred);
560 /* If we failed & we've got an empty realm, then try
561 * calling afs_realm_for_cell again. */
562 if (TRYAGAIN(status) && !realm_of_cell[0]) {
563 /* This time, get the realm by taking the domain
564 * component of the db server and make it upper case */
565 realm_of_cell = afs_realm_of_cell(context,
566 &ak_cellconfig, TRUE);
567 if (!realm_of_cell) {
569 "%s: Couldn't figure out realm for cell "
570 "%s.\n", progname, cell_to_use);
574 printf("We've deduced that we need to authenticate"
575 " to realm %s.\n", realm_of_cell);
578 status = get_credv5(context, AFSKEY, cell_to_use,
579 realm_of_cell, &v5cred);
582 /* If the realm and cell name match, then try without an
583 * instance, but only if realm is non-empty */
585 if (TRYAGAIN(status) &&
586 strcasecmp(cell_to_use, realm_of_cell) == 0) {
587 status = get_credv5(context, AFSKEY, NULL,
588 realm_of_cell, &v5cred);
589 if (!AFS_TRY_FULL_PRINC && TRYAGAIN(status)) {
590 status = get_credv5(context, AFSKEY, cell_to_use,
591 realm_of_cell, &v5cred);
596 /* Try to find a service principal for this cell.
597 * Some broken MIT libraries return KRB5KRB_AP_ERR_MSG_TYPE upon
598 * the first attempt, so we try twice to be sure */
600 if (status == KRB5KRB_AP_ERR_MSG_TYPE && retry == 1)
608 printf("Kerberos error code returned by get_cred : %d\n",
611 fprintf(stderr, "%s: Couldn't get %s AFS tickets:\n",
612 progname, cell_to_use);
613 afs_com_err(progname, status, "while getting AFS tickets");
614 return(AKLOG_KERBEROS);
617 /* If we've got a valid ticket, and we still don't know the realm name
618 * try to figure it out from the contents of the ticket
620 #if !defined(USING_HEIMDAL) && defined(HAVE_KRB5_DECODE_TICKET)
621 if (strcmp(realm_of_cell, "") == 0) {
622 krb5_error_code code;
625 code = krb5_decode_ticket(&v5cred->ticket, &ticket);
629 "%s: Couldn't decode ticket to determine realm for "
631 progname, cell_to_use);
633 int len = realm_len(context, ticket->server);
634 /* This really shouldn't happen. */
635 if (len > REALM_SZ-1)
638 realm_from_princ = (char *) malloc(sizeof(char) * (len+1));
640 strncpy(realm_from_princ, realm_data(context, ticket->server),
642 realm_from_princ[len] = 0;
643 realm_of_cell = realm_from_princ;
645 krb5_free_ticket(context, ticket);
650 strncpy(aserver.name, AFSKEY, MAXKTCNAMELEN - 1);
651 strncpy(aserver.instance, AFSINST, MAXKTCNAMELEN - 1);
652 strncpy(aserver.cell, cell_to_use, MAXKTCREALMLEN - 1);
655 * The default is to use rxkad2b, which means we put in a full
656 * V5 ticket. If the user specifies -524, we talk to the
657 * 524 ticket converter.
661 char k4name[ANAME_SZ], k4inst[INST_SZ], k4realm[REALM_SZ];
662 #ifdef HAVE_NO_KRB5_524
668 printf("Using Kerberos V5 ticket natively\n");
670 #ifndef HAVE_NO_KRB5_524
671 status = krb5_524_conv_principal (context, v5cred->client,
676 afs_com_err(progname, status, "while converting principal "
677 "to Kerberos V4 format");
678 return(AKLOG_KERBEROS);
680 strcpy (username, k4name);
682 strcat (username, ".");
683 strcat (username, k4inst);
686 len = min(get_princ_len(context, v5cred->client, 0),
687 second_comp(context, v5cred->client) ?
688 MAXKTCNAMELEN - 2 : MAXKTCNAMELEN - 1);
689 strncpy(username, get_princ_str(context, v5cred->client, 0), len);
690 username[len] = '\0';
692 if (second_comp(context, v5cred->client)) {
693 strcat(username, ".");
694 p = username + strlen(username);
695 len = min(get_princ_len(context, v5cred->client, 1),
696 MAXKTCNAMELEN - strlen(username) - 1);
697 strncpy(p, get_princ_str(context, v5cred->client, 1), len);
702 memset(&atoken, 0, sizeof(atoken));
703 atoken.kvno = RXKAD_TKT_TYPE_KERBEROS_V5;
704 atoken.startTime = v5cred->times.starttime;;
705 atoken.endTime = v5cred->times.endtime;
706 memcpy(&atoken.sessionKey, get_cred_keydata(v5cred),
707 get_cred_keylen(v5cred));
708 atoken.ticketLen = v5cred->ticket.length;
709 memcpy(atoken.ticket, v5cred->ticket.data, atoken.ticketLen);
710 #ifndef HAVE_NO_KRB5_524
715 printf("Using Kerberos 524 translator service\n");
717 status = krb5_524_convert_creds(context, v5cred, &cred);
720 afs_com_err(progname, status, "while converting tickets "
721 "to Kerberos V4 format");
722 return(AKLOG_KERBEROS);
725 strcpy (username, cred.pname);
727 strcat (username, ".");
728 strcat (username, cred.pinst);
731 atoken.kvno = cred.kvno;
732 atoken.startTime = cred.issue_date;
734 * It seems silly to go through a bunch of contortions to
735 * extract the expiration time, when the v5 credentials already
736 * has the exact time! Let's use that instead.
738 * Note that this isn't a security hole, as the expiration time
739 * is also contained in the encrypted token
741 atoken.endTime = v5cred->times.endtime;
742 memcpy(&atoken.sessionKey, cred.session, 8);
743 atoken.ticketLen = cred.ticket_st.length;
744 memcpy(atoken.ticket, cred.ticket_st.dat, atoken.ticketLen);
745 #endif /* HAVE_NO_KRB5_524 */
749 !ktc_GetToken(&aserver, &btoken, sizeof(btoken), &aclient) &&
750 atoken.kvno == btoken.kvno &&
751 atoken.ticketLen == btoken.ticketLen &&
752 !memcmp(&atoken.sessionKey, &btoken.sessionKey, sizeof(atoken.sessionKey)) &&
753 !memcmp(atoken.ticket, btoken.ticket, atoken.ticketLen)) {
756 printf("Identical tokens already exist; skipping.\n");
767 printf("Not resolving name %s to id (-noprdb set)\n",
772 if (strcmp(realm_of_user, realm_of_cell)) {
773 strcat(username, "@");
774 strcat(username, realm_of_user);
778 printf("About to resolve name %s to id in cell %s.\n",
779 username, aserver.cell);
782 strcpy(lastcell, aserver.cell);
784 if (!pr_Initialize (0, confname, aserver.cell))
785 status = pr_SNameToId (username, &viceId);
789 printf("Error %d\n", status);
791 printf("Id %d\n", (int) viceId);
795 * This is a crock, but it is Transarc's crock, so
796 * we have to play along in order to get the
797 * functionality. The way the afs id is stored is
798 * as a string in the username field of the token.
799 * Contrary to what you may think by looking at
800 * the code for tokens, this hack (AFS ID %d) will
801 * not work if you change %d to something else.
805 * This code is taken from cklog -- it lets people
806 * automatically register with the ptserver in foreign cells
809 #ifdef ALLOW_REGISTER
810 if ((status == 0) && (viceId == ANONYMOUSID) &&
811 (strcmp(realm_of_user, realm_of_cell) != 0)) {
813 printf("doing first-time registration of %s "
814 "at %s\n", username, cell_to_use);
817 strncpy(aclient.name, username, MAXKTCNAMELEN - 1);
818 strcpy(aclient.instance, "");
819 strncpy(aclient.cell, realm_of_user, MAXKTCREALMLEN - 1);
820 if ((status = ktc_SetToken(&aserver, &atoken, &aclient, 0))) {
821 fprintf(stderr, "%s: unable to obtain tokens for cell %s "
822 "(status: %d).\n", progname, cell_to_use, status);
823 status = AKLOG_TOKEN;
827 * In case you're wondering, we don't need to change the
828 * filename here because we're still connecting to the
829 * same cell -- we're just using a different authentication
833 if ((status = pr_Initialize(1L, confname, aserver.cell))) {
834 printf("Error %d\n", status);
837 if ((status = pr_CreateUser(username, &viceId))) {
838 fprintf(stderr, "%s: %s so unable to create remote PTS "
839 "user %s in cell %s (status: %d).\n", progname,
840 afs_error_message(status), username, cell_to_use,
842 viceId = ANONYMOUSID;
844 printf("created cross-cell entry for %s (Id %d) at %s\n",
845 username, viceId, cell_to_use);
848 #endif /* ALLOW_REGISTER */
850 if ((status == 0) && (viceId != ANONYMOUSID)) {
851 sprintf(username, "AFS ID %d", (int) viceId);
856 fprintf(stdout, "Set username to %s\n", username);
859 /* Reset the "aclient" structure before we call ktc_SetToken.
860 * This structure was first set by the ktc_GetToken call when
861 * we were comparing whether identical tokens already existed.
863 strncpy(aclient.name, username, MAXKTCNAMELEN - 1);
864 strcpy(aclient.instance, "");
865 strncpy(aclient.cell, realm_of_user, MAXKTCREALMLEN - 1);
868 printf("Setting tokens. %s / %s @ %s \n",
869 aclient.name, aclient.instance, aclient.cell );
871 #ifndef AFS_AIX51_ENV
872 /* on AIX 4.1.4 with AFS 3.4a+ if a write is not done before
873 * this routine, it will not add the token. It is not clear what
874 * is going on here! So we will do the following operation.
875 * On AIX 5, it causes the parent program to die, so we won't.
877 write(2,"",0); /* dummy write */
879 if ((status = ktc_SetToken(&aserver, &atoken, &aclient, afssetpag))) {
881 "%s: unable to obtain tokens for cell %s (status: %d).\n",
882 progname, cell_to_use, status);
883 status = AKLOG_TOKEN;
888 printf("Noauth mode; not authenticating.\n");
894 static int get_afs_mountpoint(char *file, char *mountpoint, int size)
897 char V ='V'; /* AFS has problem on Sun with pioctl */
899 char our_file[MAXPATHLEN + 1];
901 char *last_component;
902 struct ViceIoctl vio;
903 char cellname[BUFSIZ];
905 memset(our_file, 0, sizeof(our_file));
906 strcpy(our_file, file);
908 if ((last_component = strrchr(our_file, DIR))) {
909 *last_component++ = 0;
910 parent_dir = our_file;
913 last_component = our_file;
917 memset(cellname, 0, sizeof(cellname));
919 vio.in = last_component;
920 vio.in_size = strlen(last_component)+1;
922 vio.out = mountpoint;
924 if (!pioctl(parent_dir, VIOC_AFS_STAT_MT_PT, &vio, 0)) {
925 if (strchr(mountpoint, VOLMARKER) == NULL) {
927 vio.in_size = strlen(file) + 1;
928 vio.out_size = sizeof(cellname);
931 if (!pioctl(file, VIOC_FILE_CELL_NAME, &vio, 1)) {
932 strcat(cellname, VOLMARKERSTRING);
933 strcat(cellname, mountpoint + 1);
934 memset(mountpoint + 1, 0, size - 1);
935 strcpy(mountpoint + 1, cellname);
945 * This routine each time it is called returns the next directory
946 * down a pathname. It resolves all symbolic links. The first time
947 * it is called, it should be called with the name of the path
948 * to be descended. After that, it should be called with the arguemnt
951 static char *next_path(char *origpath)
953 static char path[MAXPATHLEN + 1];
954 static char pathtocheck[MAXPATHLEN + 1];
956 int link = FALSE; /* Is this a symbolic link? */
957 char linkbuf[MAXPATHLEN + 1];
958 char tmpbuf[MAXPATHLEN + 1];
960 static char *last_comp; /* last component of directory name */
961 static char *elast_comp; /* End of last component */
965 static int symlinkcount = 0; /* We can't exceed MAXSYMLINKS */
967 /* If we are given something for origpath, we are initializing only. */
969 memset(path, 0, sizeof(path));
970 memset(pathtocheck, 0, sizeof(pathtocheck));
971 strcpy(path, origpath);
977 /* We were not given origpath; find then next path to check */
979 /* If we've gotten all the way through already, return NULL */
980 if (last_comp == NULL)
984 while (*last_comp == DIR)
985 strncat(pathtocheck, last_comp++, 1);
986 len = (elast_comp = strchr(last_comp, DIR))
987 ? elast_comp - last_comp : strlen(last_comp);
988 strncat(pathtocheck, last_comp, len);
989 memset(linkbuf, 0, sizeof(linkbuf));
990 if ((link = (readlink(pathtocheck, linkbuf,
991 sizeof(linkbuf)) > 0))) {
992 if (++symlinkcount > MAXSYMLINKS) {
993 fprintf(stderr, "%s: %s\n", progname, strerror(ELOOP));
996 memset(tmpbuf, 0, sizeof(tmpbuf));
998 strcpy(tmpbuf, elast_comp);
999 if (linkbuf[0] == DIR) {
1001 * If this is a symbolic link to an absolute path,
1002 * replace what we have by the absolute path.
1004 memset(path, 0, strlen(path));
1005 memcpy(path, linkbuf, sizeof(linkbuf));
1006 strcat(path, tmpbuf);
1009 memset(pathtocheck, 0, sizeof(pathtocheck));
1013 * If this is a symbolic link to a relative path,
1014 * replace only the last component with the link name.
1016 strncpy(last_comp, linkbuf, strlen(linkbuf) + 1);
1017 strcat(path, tmpbuf);
1019 if ((t = strrchr(pathtocheck, DIR))) {
1021 memset(t, 0, strlen(t));
1024 memset(pathtocheck, 0, sizeof(pathtocheck));
1028 last_comp = elast_comp;
1032 return(pathtocheck);
1036 /*****************************************/
1040 char V = 'V'; /* AFS has problem on SunOS */
1042 struct ViceIoctl vio;
1043 char outbuf[BUFSIZ];
1047 memset(outbuf, 0, sizeof(outbuf));
1049 vio.out_size = sizeof(outbuf);
1050 vio.in_size = sizeof(ind);
1055 fd = open("dee.tok",O_WRONLY);
1056 while(!pioctl(0,VIOCGETTOK,&vio,0)) {
1057 write(fd,&outbuf,sizeof(outbuf));
1062 /*****************************************/
1065 static void add_hosts(char *file)
1068 char V = 'V'; /* AFS has problem on SunOS */
1070 struct ViceIoctl vio;
1071 char outbuf[BUFSIZ];
1077 memset(outbuf, 0, sizeof(outbuf));
1079 vio.out_size = sizeof(outbuf);
1084 printf("Getting list of hosts for %s\n", file);
1086 /* Don't worry about errors. */
1087 if (!pioctl(file, VIOCWHEREIS, &vio, 1)) {
1088 phosts = (long *) outbuf;
1091 * Lists hosts that we care about. If ALLHOSTS is defined,
1092 * then all hosts that you ever may possible go through are
1093 * included in this list. If not, then only hosts that are
1094 * the only ones appear. That is, if a volume you must use
1095 * is replaced on only one server, that server is included.
1096 * If it is replicated on many servers, then none are included.
1097 * This is not perfect, but the result is that people don't
1098 * get subscribed to a lot of instances of FILSRV that they
1099 * probably won't need which reduces the instances of
1100 * people getting messages that don't apply to them.
1103 if (phosts[1] != '\0')
1106 for (i = 0; phosts[i]; i++) {
1108 in.s_addr = phosts[i];
1110 printf("Got host %s\n", inet_ntoa(in));
1112 ll_string(&hostlist, ll_s_add, (char *)inet_ntoa(in));
1114 if (zsubs && (hp=gethostbyaddr((char *) &phosts[i],sizeof(long),AF_INET))) {
1116 printf("Got host %s\n", hp->h_name);
1118 ll_string(&zsublist, ll_s_add, hp->h_name);
1125 * This routine descends through a path to a directory, logging to
1126 * every cell it encounters along the way.
1128 static int auth_to_path(krb5_context context, char *path)
1130 int status = AKLOG_SUCCESS;
1131 int auth_to_cell_status = AKLOG_SUCCESS;
1134 char pathtocheck[MAXPATHLEN + 1];
1135 char mountpoint[MAXPATHLEN + 1];
1144 strcpy(pathtocheck, path);
1146 if (getcwd(pathtocheck, sizeof(pathtocheck)) == NULL) {
1147 fprintf(stderr, "Unable to find current working directory:\n");
1148 fprintf(stderr, "%s\n", pathtocheck);
1149 fprintf(stderr, "Try an absolute pathname.\n");
1150 exit(AKLOG_BADPATH);
1153 strcat(pathtocheck, DIRSTRING);
1154 strcat(pathtocheck, path);
1157 next_path(pathtocheck);
1159 /* Go on to the next level down the path */
1160 while ((nextpath = next_path(NULL))) {
1161 strcpy(pathtocheck, nextpath);
1163 printf("Checking directory %s\n", pathtocheck);
1166 * If this is an afs mountpoint, determine what cell from
1167 * the mountpoint name which is of the form
1168 * #cellname:volumename or %cellname:volumename.
1170 if (get_afs_mountpoint(pathtocheck, mountpoint, sizeof(mountpoint))) {
1171 /* skip over the '#' or '%' */
1172 cell = mountpoint + 1;
1173 /* Add this (cell:volumename) to the list of zsubs */
1175 ll_string(&zsublist, ll_s_add, cell);
1177 add_hosts(pathtocheck);
1178 if ((endofcell = strchr(mountpoint, VOLMARKER))) {
1180 if ((auth_to_cell_status = auth_to_cell(context, cell, NULL))) {
1181 if (status == AKLOG_SUCCESS)
1182 status = auth_to_cell_status;
1183 else if (status != auth_to_cell_status)
1184 status = AKLOG_SOMETHINGSWRONG;
1189 if (isdir(pathtocheck, &isdirectory) < 0) {
1191 * If we've logged and still can't stat, there's
1194 fprintf(stderr, "%s: stat(%s): %s\n", progname,
1195 pathtocheck, strerror(errno));
1196 return(AKLOG_BADPATH);
1198 else if (! isdirectory) {
1199 /* Allow only directories */
1200 fprintf(stderr, "%s: %s: %s\n", progname, pathtocheck,
1202 return(AKLOG_BADPATH);
1212 /* Print usage message and exit */
1213 static void usage(void)
1215 fprintf(stderr, "\nUsage: %s %s%s%s\n", progname,
1216 "[-d] [[-cell | -c] cell [-k krb_realm]] ",
1217 "[[-p | -path] pathname]\n",
1218 " [-zsubs] [-hosts] [-noauth] [-noprdb] [-force] [-setpag] \n"
1220 #ifndef HAVE_NO_KRB5_524
1224 fprintf(stderr, " -d gives debugging information.\n");
1225 fprintf(stderr, " krb_realm is the kerberos realm of a cell.\n");
1226 fprintf(stderr, " pathname is the name of a directory to which ");
1227 fprintf(stderr, "you wish to authenticate.\n");
1228 fprintf(stderr, " -zsubs gives zephyr subscription information.\n");
1229 fprintf(stderr, " -hosts gives host address information.\n");
1230 fprintf(stderr, " -noauth does not attempt to get tokens.\n");
1231 fprintf(stderr, " -noprdb means don't try to determine AFS ID.\n");
1232 fprintf(stderr, " -force means replace identical tickets. \n");
1233 fprintf(stderr, " -linked means if AFS node is linked, try both. \n");
1234 fprintf(stderr, " -setpag set the AFS process authentication group.\n");
1235 #ifndef HAVE_NO_KRB5_524
1236 fprintf(stderr, " -524 means use the 524 converter instead of V5 directly\n");
1238 fprintf(stderr, " No commandline arguments means ");
1239 fprintf(stderr, "authenticate to the local cell.\n");
1240 fprintf(stderr, "\n");
1244 void aklog(int argc, char *argv[])
1246 krb5_context context;
1247 int status = AKLOG_SUCCESS;
1249 int somethingswrong = FALSE;
1251 cellinfo_t cellinfo;
1253 extern char *progname; /* Name of this program */
1255 extern int dflag; /* Debug mode */
1257 int cmode = FALSE; /* Cellname mode */
1258 int pmode = FALSE; /* Path name mode */
1260 char realm[REALM_SZ]; /* Kerberos realm of afs server */
1261 char cell[BUFSIZ]; /* Cell to which we are authenticating */
1262 char path[MAXPATHLEN + 1]; /* Path length for path mode */
1264 linked_list cells; /* List of cells to log to */
1265 linked_list paths; /* List of paths to log to */
1268 memset(&cellinfo, 0, sizeof(cellinfo));
1270 memset(realm, 0, sizeof(realm));
1271 memset(cell, 0, sizeof(cell));
1272 memset(path, 0, sizeof(path));
1280 /* Store the program name here for error messages */
1281 if ((progname = strrchr(argv[0], DIR)))
1286 krb5_init_context(&context);
1287 initialize_ktc_error_table ();
1288 afs_set_com_err_hook(redirect_errors);
1290 /* Initialize list of cells to which we have authenticated */
1291 (void)ll_init(&authedcells);
1293 /* Parse commandline arguments and make list of what to do. */
1294 for (i = 1; i < argc; i++) {
1295 if (strcmp(argv[i], "-d") == 0)
1297 else if (strcmp(argv[i], "-noauth") == 0)
1299 else if (strcmp(argv[i], "-zsubs") == 0)
1301 else if (strcmp(argv[i], "-hosts") == 0)
1303 else if (strcmp(argv[i], "-noprdb") == 0)
1305 else if (strcmp(argv[i], "-linked") == 0)
1307 else if (strcmp(argv[i], "-force") == 0)
1309 #ifndef HAVE_NO_KRB5_524
1310 else if (strcmp(argv[i], "-524") == 0)
1313 else if (strcmp(argv[i], "-setpag") == 0)
1315 else if (((strcmp(argv[i], "-cell") == 0) ||
1316 (strcmp(argv[i], "-c") == 0)) && !pmode)
1319 strcpy(cell, argv[i]);
1323 else if ((strcmp(argv[i], "-keytab") == 0))
1329 else if ((strcmp(argv[i], "-principal") == 0))
1335 else if (((strcmp(argv[i], "-path") == 0) ||
1336 (strcmp(argv[i], "-p") == 0)) && !cmode)
1339 strcpy(path, argv[i]);
1344 else if (argv[i][0] == '-')
1346 else if (!pmode && !cmode) {
1347 if (strchr(argv[i], DIR) || (strcmp(argv[i], ".") == 0) ||
1348 (strcmp(argv[i], "..") == 0)) {
1350 strcpy(path, argv[i]);
1354 strcpy(cell, argv[i]);
1361 if (((i + 1) < argc) && (strcmp(argv[i + 1], "-k") == 0)) {
1364 strcpy(realm, argv[i]);
1368 /* Add this cell to list of cells */
1369 strcpy(cellinfo.cell, cell);
1370 strcpy(cellinfo.realm, realm);
1371 if ((cur_node = ll_add_node(&cells, ll_tail))) {
1373 if ((new_cellinfo = copy_cellinfo(&cellinfo)))
1374 ll_add_data(cur_node, new_cellinfo);
1377 "%s: failure copying cellinfo.\n", progname);
1382 fprintf(stderr, "%s: failure adding cell to cells list.\n",
1386 memset(&cellinfo, 0, sizeof(cellinfo));
1388 memset(cell, 0, sizeof(cell));
1389 memset(realm, 0, sizeof(realm));
1392 /* Add this path to list of paths */
1393 if ((cur_node = ll_add_node(&paths, ll_tail))) {
1395 if ((new_path = strdup(path)))
1396 ll_add_data(cur_node, new_path);
1398 fprintf(stderr, "%s: failure copying path name.\n",
1404 fprintf(stderr, "%s: failure adding path to paths list.\n",
1409 memset(path, 0, sizeof(path));
1414 * The code that _used_ to be here called setpag(). When you think
1415 * about this, doing this makes no sense! setpag() allocates a PAG
1416 * only for the current process, so the token installed would have
1417 * not be usable in the parent! Since ktc_SetToken() now takes a
1418 * 4th argument to control whether or not we're going to allocate
1419 * a PAG (and since when you do it _that_ way, it modifies the cred
1420 * structure of your parent)), why don't we use that instead?
1431 printf("setpag %d\n",status);
1432 j = getgroups(gidsetlen,gidset);
1433 printf("Groups(%d):",j);
1434 for (i = 0; i<j; i++) {
1435 printf("%d",gidset[i]);
1436 if((i+1)<j) printf(",");
1442 /* If nothing was given, log to the local cell. */
1443 if ((cells.nelements + paths.nelements) == 0) {
1446 status = auth_to_cell(context, NULL, NULL);
1448 /* If this cell is linked to a DCE cell, and user
1449 * requested -linked, get tokens for both
1450 * This is very usefull when the AFS cell is linked to a DFS
1451 * cell and this system does not also have DFS.
1454 if (!status && linked && linkedcell[0]) {
1455 strncpy(linkedcell2,linkedcell,MAXCELLCHARS);
1457 printf("Linked cell: %s\n", linkedcell);
1459 status = auth_to_cell(context, linkedcell2, NULL);
1463 * Local hack - if the person has a file in their home
1464 * directory called ".xlog", read that for a list of
1465 * extra cells to authenticate to
1468 if ((pwd = getpwuid(getuid())) != NULL) {
1471 char fcell[100], xlog_path[512];
1473 strcpy(xlog_path, pwd->pw_dir);
1474 strcat(xlog_path, "/.xlog");
1476 if ((stat(xlog_path, &sbuf) == 0) &&
1477 ((f = fopen(xlog_path, "r")) != NULL)) {
1480 printf("Reading %s for cells to "
1481 "authenticate to.\n", xlog_path);
1484 while (fgets(fcell, 100, f) != NULL) {
1487 fcell[strlen(fcell) - 1] = '\0';
1490 printf("Found cell %s in %s.\n",
1494 auth_status = auth_to_cell(context, fcell, NULL);
1495 if (status == AKLOG_SUCCESS)
1496 status = auth_status;
1498 status = AKLOG_SOMETHINGSWRONG;
1504 /* Log to all cells in the cells list first */
1505 for (cur_node = cells.first; cur_node; cur_node = cur_node->next) {
1506 memcpy((char *)&cellinfo, cur_node->data, sizeof(cellinfo));
1507 if ((status = auth_to_cell(context, cellinfo.cell, cellinfo.realm)))
1510 if (linked && linkedcell[0]) {
1511 strncpy(linkedcell2,linkedcell,MAXCELLCHARS);
1513 printf("Linked cell: %s\n",
1516 if ((status = auth_to_cell(context,linkedcell2,
1523 /* Then, log to all paths in the paths list */
1524 for (cur_node = paths.first; cur_node; cur_node = cur_node->next) {
1525 if ((status = auth_to_path(context, cur_node->data)))
1530 * If only one thing was logged to, we'll return the status
1531 * of the single call. Otherwise, we'll return a generic
1532 * something failed status.
1534 if (somethingswrong && ((cells.nelements + paths.nelements) > 1))
1535 status = AKLOG_SOMETHINGSWRONG;
1538 /* If we are keeping track of zephyr subscriptions, print them. */
1540 for (cur_node = zsublist.first; cur_node; cur_node = cur_node->next) {
1541 printf("zsub: %s\n", cur_node->data);
1544 /* If we are keeping track of host information, print it. */
1546 for (cur_node = hostlist.first; cur_node; cur_node = cur_node->next) {
1547 printf("host: %s\n", cur_node->data);
1553 static int isdir(char *path, unsigned char *val)
1555 struct stat statbuf;
1557 if (lstat(path, &statbuf) < 0)
1560 if ((statbuf.st_mode & S_IFMT) == S_IFDIR)
1568 static krb5_error_code get_credv5_akimpersonate(krb5_context context,
1570 krb5_principal service_principal,
1571 krb5_principal client_principal,
1574 int *allowed_enctypes,
1576 krb5_creds** out_creds /* out */ )
1578 #if defined(USING_HEIMDAL) || (defined(HAVE_ENCODE_KRB5_ENC_TKT) && defined(HAVE_ENCODE_KRB5_TICKET) && defined(HAVE_KRB5_C_ENCRYPT))
1579 krb5_error_code code;
1581 krb5_kt_cursor cursor[1];
1582 krb5_keytab_entry entry[1];
1584 krb5_creds *creds = 0;
1585 krb5_enctype enctype;
1587 krb5_keyblock session_key[1];
1589 Ticket ticket_reply[1];
1590 EncTicketPart enc_tkt_reply[1];
1591 krb5_address address[30];
1592 krb5_addresses faddr[1];
1594 time_t temp_time[2];
1596 krb5_ticket ticket_reply[1];
1597 krb5_enc_tkt_part enc_tkt_reply[1];
1598 krb5_address address[30], *faddr[30];
1602 static int any_enctype[] = {0};
1604 if (!(creds = malloc(sizeof *creds))) {
1608 if (!allowed_enctypes)
1609 allowed_enctypes = any_enctype;
1612 enctype = 0; /* AKIMPERSONATE_IGNORE_ENCTYPE */
1613 kvno = 0; /* AKIMPERSONATE_IGNORE_VNO */
1614 memset((char*)creds, 0, sizeof *creds);
1615 memset((char*)entry, 0, sizeof *entry);
1616 memset((char*)session_key, 0, sizeof *session_key);
1617 memset((char*)ticket_reply, 0, sizeof *ticket_reply);
1618 memset((char*)enc_tkt_reply, 0, sizeof *enc_tkt_reply);
1619 code = krb5_kt_resolve(context, keytab, &kt);
1622 afs_com_err(progname, code, "while resolving keytab %s", keytab);
1624 afs_com_err(progname, code, "while resolving default keytab");
1628 if (service_principal) {
1629 for (i = 0; (enctype = allowed_enctypes[i]) || !i; ++i) {
1630 code = krb5_kt_get_entry(context,
1637 if (allowed_enctypes[i])
1638 deref_keyblock_enctype(session_key) = allowed_enctypes[i];
1643 afs_com_err(progname, code,"while scanning keytab entries");
1647 krb5_keytab_entry new[1];
1649 memset(new, 0, sizeof *new);
1650 if ((code == krb5_kt_start_seq_get(context, kt, cursor))) {
1651 afs_com_err(progname, code, "while starting keytab scan");
1654 while (!(code = krb5_kt_next_entry(context, kt, new, cursor))) {
1656 allowed_enctypes[i] && allowed_enctypes[i]
1657 != deref_entry_enctype(new); ++i)
1659 if ((!i || allowed_enctypes[i]) &&
1660 (best < 0 || best > i)) {
1661 krb5_free_keytab_entry_contents(context, entry);
1663 memset(new, 0, sizeof *new);
1664 } else krb5_free_keytab_entry_contents(context, new);
1666 if ((i = krb5_kt_end_seq_get(context, kt, cursor))) {
1667 afs_com_err(progname, i, "while ending keytab scan");
1672 afs_com_err(progname, code, "while scanning keytab");
1675 deref_keyblock_enctype(session_key) = deref_entry_enctype(entry);
1681 if ((code = krb5_generate_random_keyblock(context,
1682 deref_keyblock_enctype(session_key), session_key))) {
1683 afs_com_err(progname, code, "while making session key");
1686 enc_tkt_reply->flags.initial = 1;
1687 enc_tkt_reply->transited.tr_type = DOMAIN_X500_COMPRESS;
1688 enc_tkt_reply->cname = client_principal->name;
1689 enc_tkt_reply->crealm = client_principal->realm;
1690 enc_tkt_reply->key = *session_key;
1692 static krb5_data empty_string;
1693 enc_tkt_reply->transited.contents = empty_string;
1695 enc_tkt_reply->authtime = starttime;
1696 enc_tkt_reply->starttime = temp_time;
1697 *enc_tkt_reply->starttime = starttime;
1699 enc_tkt_reply->renew_till = temp_time + 1;
1700 *enc_tkt_reply->renew_till = endtime;
1702 enc_tkt_reply->endtime = endtime;
1704 if ((code = krb5_c_make_random_key(context,
1705 deref_keyblock_enctype(session_key), session_key))) {
1706 afs_com_err(progname, code, "while making session key");
1709 enc_tkt_reply->magic = KV5M_ENC_TKT_PART;
1710 #define DATACAST (unsigned char *)
1711 enc_tkt_reply->flags |= TKT_FLG_INITIAL;
1712 enc_tkt_reply->transited.tr_type = KRB5_DOMAIN_X500_COMPRESS;
1713 enc_tkt_reply->session = session_key;
1714 enc_tkt_reply->client = client_principal;
1716 static krb5_data empty_string;
1717 enc_tkt_reply->transited.tr_contents = empty_string;
1719 enc_tkt_reply->times.authtime = starttime;
1720 enc_tkt_reply->times.starttime = starttime; /* krb524init needs this */
1721 enc_tkt_reply->times.endtime = endtime;
1722 #endif /* USING_HEIMDAL */
1723 /* NB: We will discard address for now--ignoring caddr field
1724 in any case. MIT branch does what it always did. */
1726 if (paddress && *paddress) {
1727 deref_enc_tkt_addrs(enc_tkt_reply) = faddr;
1730 faddr->val = address;
1732 for (i = 0; paddress[i]; ++i) {
1734 address[i].addr_type = KRB5_ADDRESS_INET;
1735 address[i].address.data = (void*)(paddress+i);
1736 address[i].address.length = sizeof(paddress[i]);
1739 address[i].magic = KV5M_ADDRESS;
1740 address[i].addrtype = ADDRTYPE_INET;
1742 address[i].addrtype = AF_INET;
1744 address[i].contents = (void*)(paddress+i);
1745 address[i].length = sizeof(int);
1746 faddr[i] = address+i;
1757 ticket_reply->sname = service_principal->name;
1758 ticket_reply->realm = service_principal->realm;
1760 { /* crypto block */
1761 krb5_crypto crypto = 0;
1762 unsigned char *buf = 0;
1763 size_t buf_size, buf_len;
1766 ASN1_MALLOC_ENCODE(EncTicketPart, buf, buf_size,
1767 enc_tkt_reply, &buf_len, code);
1769 afs_com_err(progname, code, "while encoding ticket");
1773 if(buf_len != buf_size) {
1774 afs_com_err(progname, code,
1775 "%d != %d while encoding ticket (internal ASN.1 encoder error",
1779 what = "krb5_crypto_init";
1780 code = krb5_crypto_init(context,
1781 &deref_entry_keyblock(entry),
1782 deref_entry_enctype(entry),
1785 what = "krb5_encrypt";
1786 code = krb5_encrypt_EncryptedData(context, crypto, KRB5_KU_TICKET,
1787 buf, buf_len, entry->vno, &(ticket_reply->enc_part));
1790 if (crypto) krb5_crypto_destroy(context, crypto);
1792 afs_com_err(progname, code, "while %s", what);
1795 } /* crypto block */
1796 ticket_reply->enc_part.etype = deref_entry_enctype(entry);
1797 ticket_reply->enc_part.kvno = temp_vno;
1798 *ticket_reply->enc_part.kvno = entry->vno;
1799 ticket_reply->tkt_vno = 5;
1801 ticket_reply->server = service_principal;
1802 ticket_reply->enc_part2 = enc_tkt_reply;
1803 if ((code = krb5_encrypt_tkt_part(context, &deref_entry_keyblock(entry), ticket_reply))) {
1804 afs_com_err(progname, code, "while making ticket");
1807 ticket_reply->enc_part.kvno = entry->vno;
1810 /* Construct Creds */
1812 if ((code = krb5_copy_principal(context, service_principal,
1814 afs_com_err(progname, code, "while copying service principal");
1817 if ((code = krb5_copy_principal(context, client_principal,
1819 afs_com_err(progname, code, "while copying client principal");
1822 if ((code = krb5_copy_keyblock_contents(context, session_key,
1823 &deref_session_key(creds)))) {
1824 afs_com_err(progname, code, "while copying session key");
1829 creds->times.authtime = enc_tkt_reply->authtime;
1830 creds->times.starttime = *(enc_tkt_reply->starttime);
1831 creds->times.endtime = enc_tkt_reply->endtime;
1832 creds->times.renew_till = 0; /* *(enc_tkt_reply->renew_till) */
1833 creds->flags.b = enc_tkt_reply->flags;
1835 creds->times = enc_tkt_reply->times;
1836 creds->ticket_flags = enc_tkt_reply->flags;
1838 if (!deref_enc_tkt_addrs(enc_tkt_reply))
1840 else if ((code = krb5_copy_addresses(context,
1841 deref_enc_tkt_addrs(enc_tkt_reply), &creds->addresses))) {
1842 afs_com_err(progname, code, "while copying addresses");
1848 size_t creds_tkt_len;
1849 ASN1_MALLOC_ENCODE(Ticket, creds->ticket.data, creds->ticket.length,
1850 ticket_reply, &creds_tkt_len, code);
1852 afs_com_err(progname, code, "while encoding ticket");
1857 if ((code = encode_krb5_ticket(ticket_reply, &temp))) {
1858 afs_com_err(progname, code, "while encoding ticket");
1861 creds->ticket = *temp;
1868 if (deref_enc_data(&ticket_reply->enc_part))
1869 free(deref_enc_data(&ticket_reply->enc_part));
1870 krb5_free_keytab_entry_contents(context, entry);
1871 if (client_principal)
1872 krb5_free_principal(context, client_principal);
1873 if (service_principal)
1874 krb5_free_principal(context, service_principal);
1876 krb5_cc_close(context, cc);
1878 krb5_kt_close(context, kt);
1879 if (creds) krb5_free_creds(context, creds);
1880 krb5_free_keyblock_contents(context, session_key);
1889 static krb5_error_code get_credv5(krb5_context context,
1890 char *name, char *inst, char *realm,
1895 static krb5_principal client_principal = 0;
1898 printf("Getting tickets: %s%s%s@%s\n", name, (inst && inst[0])
1899 ? "/" : "", inst ? inst : "", realm);
1902 memset(&increds, 0, sizeof(increds));
1903 /* ANL - instance may be ptr to a null string. Pass null then */
1904 if ((r = krb5_build_principal(context, &increds.server,
1905 strlen(realm), realm,
1907 (inst && strlen(inst)) ? inst : (void *) NULL,
1913 if (!_krb425_ccache) {
1914 r = krb5_cc_default(context, &_krb425_ccache);
1918 if (!client_principal) {
1920 r = krb5_parse_name(context, client, &client_principal);
1922 r = krb5_cc_get_principal(context, _krb425_ccache, &client_principal);
1928 increds.client = client_principal;
1929 increds.times.endtime = 0;
1930 /* Ask for DES since that is what V4 understands */
1931 get_creds_enctype((&increds)) = ENCTYPE_DES_CBC_CRC;
1934 int allowed_enctypes[] = {
1935 ENCTYPE_DES_CBC_CRC, 0
1938 r = get_credv5_akimpersonate(context,
1947 r = krb5_get_credentials(context, 0, _krb425_ccache, &increds, creds);
1953 static int get_user_realm(krb5_context context, char *realm)
1955 static krb5_principal client_principal = 0;
1957 krb5_error_code r = 0;
1959 if (!_krb425_ccache)
1960 krb5_cc_default(context, &_krb425_ccache);
1961 if (!client_principal) {
1963 r = krb5_parse_name(context, client, &client_principal);
1965 r = krb5_cc_get_principal(context, _krb425_ccache, &client_principal);
1971 i = realm_len(context, client_principal);
1972 if (i > REALM_SZ-1) i = REALM_SZ-1;
1973 strncpy(realm,realm_data(context, client_principal), i);