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8 * Copyright (c) 2005, 2006
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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>
68 #ifndef HAVE_KERBEROSV_HEIM_ERR_H
69 #include <afs/com_err.h>
72 #include <afs/param.h>
74 #include <sys/ioccom.h>
77 /* Prevent inclusion of des.h to avoid conflicts with des types */
78 #define NO_DES_H_INCLUDE
81 #include <afs/cellconfig.h>
83 #include <afs/venus.h>
84 #include <afs/ptserver.h>
85 #include <afs/ptuser.h>
86 #include <afs/dirpath.h>
89 #include "linked_list.h"
91 #ifdef HAVE_KRB5_CREDS_KEYBLOCK
94 #ifdef HAVE_KRB5_CREDS_SESSION
95 #define USING_HEIMDAL 1
101 #ifndef AFS_TRY_FULL_PRINC
102 #define AFS_TRY_FULL_PRINC 1
103 #endif /* AFS_TRY_FULL_PRINC */
105 #define AKLOG_TRYAGAIN -1
106 #define AKLOG_SUCCESS 0
107 #define AKLOG_USAGE 1
108 #define AKLOG_SOMETHINGSWRONG 2
110 #define AKLOG_KERBEROS 4
111 #define AKLOG_TOKEN 5
112 #define AKLOG_BADPATH 6
128 /* RedHat 4.x doesn't seem to define this */
129 #define MAXSYMLINKS 5
132 #define DIR '/' /* Character that divides directories */
133 #define DIRSTRING "/" /* String form of above */
134 #define VOLMARKER ':' /* Character separating cellname from mntpt */
135 #define VOLMARKERSTRING ":" /* String form of above */
139 char realm[REALM_SZ];
142 struct afsconf_cell ak_cellconfig; /* General information about the cell */
143 static char linkedcell[MAXCELLCHARS+1];
144 static char linkedcell2[MAXCELLCHARS+1];
145 static krb5_ccache _krb425_ccache = NULL;
148 * Why doesn't AFS provide these prototypes?
151 extern int pioctl(char *, afs_int32, struct ViceIoctl *, afs_int32);
157 extern char *afs_realm_of_cell(krb5_context, struct afsconf_cell *, int);
158 static int isdir(char *, unsigned char *);
159 static krb5_error_code get_credv5(krb5_context context, char *, char *,
160 char *, krb5_creds **);
161 static int get_user_realm(krb5_context, char *);
163 #define TRYAGAIN(x) (x == AKLOG_TRYAGAIN || \
164 x == KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN || \
165 x == KRB5KRB_ERR_GENERIC)
167 #if defined(HAVE_KRB5_PRINC_SIZE) || defined(krb5_princ_size)
169 #define get_princ_str(c, p, n) krb5_princ_component(c, p, n)->data
170 #define get_princ_len(c, p, n) krb5_princ_component(c, p, n)->length
171 #define second_comp(c, p) (krb5_princ_size(c, p) > 1)
172 #define realm_data(c, p) krb5_princ_realm(c, p)->data
173 #define realm_len(c, p) krb5_princ_realm(c, p)->length
175 #elif defined(HAVE_KRB5_PRINCIPAL_GET_COMP_STRING)
177 #define get_princ_str(c, p, n) krb5_principal_get_comp_string(c, p, n)
178 #define get_princ_len(c, p, n) strlen(krb5_principal_get_comp_string(c, p, n))
179 #define second_comp(c, p) (krb5_principal_get_comp_string(c, p, 1) != NULL)
180 #define realm_data(c, p) krb5_realm_data(krb5_principal_get_realm(c, p))
181 #define realm_len(c, p) krb5_realm_length(krb5_principal_get_realm(c, p))
184 #error "Must have either krb5_princ_size or krb5_principal_get_comp_string"
187 #if !defined(HAVE_KRB5_ENCRYPT_TKT_PART) && defined(HAVE_ENCODE_KRB5_ENC_TKT_PART) && defined(HAVE_KRB5_C_ENCRYPT)
188 extern krb5_error_code encode_krb5_enc_tkt_part (const krb5_enc_tkt_part *rep, krb5_data **code);
191 krb5_encrypt_tkt_part(krb5_context context,
192 const krb5_keyblock *key,
199 if ((code = encode_krb5_enc_tkt_part(ticket->enc_part2, &data)))
201 if ((code = krb5_c_encrypt_length(context, key->enctype,
202 data->length, &enclen)))
204 ticket->enc_part.ciphertext.length = enclen;
205 if (!(ticket->enc_part.ciphertext.data = malloc(enclen))) {
209 if ((code = krb5_c_encrypt(context, key, KRB5_KEYUSAGE_KDC_REP_TICKET,
210 0, data, &ticket->enc_part))) {
211 free(ticket->enc_part.ciphertext.data);
212 ticket->enc_part.ciphertext.data = 0;
224 #if defined(HAVE_KRB5_CREDS_KEYBLOCK)
226 #define get_cred_keydata(c) c->keyblock.contents
227 #define get_cred_keylen(c) c->keyblock.length
228 #define get_creds_enctype(c) c->keyblock.enctype
230 #elif defined(HAVE_KRB5_CREDS_SESSION)
232 #define get_cred_keydata(c) c->session.keyvalue.data
233 #define get_cred_keylen(c) c->session.keyvalue.length
234 #define get_creds_enctype(c) c->session.keytype
237 #error "Must have either keyblock or session member of krb5_creds"
240 #if !defined(HAVE_KRB5_524_CONVERT_CREDS) && defined(HAVE_KRB524_CONVERT_CREDS_KDC)
241 #define krb5_524_convert_creds krb524_convert_creds_kdc
242 #elif !defined(HAVE_KRB5_524_CONVERT_CREDS) && !defined(HAVE_KRB524_CONVERT_CREDS_KDC)
243 #define HAVE_NO_KRB5_524
247 #define deref_keyblock_enctype(kb) \
250 #define deref_entry_keyblock(entry) \
253 #define deref_session_key(creds) \
256 #define deref_enc_tkt_addrs(tkt) \
259 #define deref_enc_length(enc) \
260 ((enc)->cipher.length)
262 #define deref_enc_data(enc) \
265 #define krb5_free_keytab_entry_contents krb5_kt_free_entry
268 #define deref_keyblock_enctype(kb) \
271 #define deref_entry_keyblock(entry) \
274 #define deref_session_key(creds) \
277 #define deref_enc_tkt_addrs(tkt) \
280 #define deref_enc_length(enc) \
281 ((enc)->ciphertext.length)
283 #define deref_enc_data(enc) \
284 ((enc)->ciphertext.data)
288 #define deref_entry_enctype(entry) \
289 deref_keyblock_enctype(&deref_entry_keyblock(entry))
292 * Provide a replacement for strerror if we don't have it
295 #ifndef HAVE_STRERROR
296 extern char *sys_errlist[];
297 #define strerror(x) sys_errlist[x]
298 #endif /* HAVE_STRERROR */
300 static char *progname = NULL; /* Name of this program */
301 static int dflag = FALSE; /* Give debugging information */
302 static int noauth = FALSE; /* If true, don't try to get tokens */
303 static int zsubs = FALSE; /* Are we keeping track of zephyr subs? */
304 static int hosts = FALSE; /* Are we keeping track of hosts? */
305 static int noprdb = FALSE; /* Skip resolving name to id? */
306 static int linked = FALSE; /* try for both AFS nodes */
307 static int afssetpag = FALSE; /* setpag for AFS */
308 static int force = FALSE; /* Bash identical tokens? */
309 static int do524 = FALSE; /* Should we do 524 instead of rxkad2b? */
310 static char *keytab = NULL; /* keytab for akimpersonate */
311 static char *client = NULL; /* client principal for akimpersonate */
312 static linked_list zsublist; /* List of zephyr subscriptions */
313 static linked_list hostlist; /* List of host addresses */
314 static linked_list authedcells; /* List of cells already logged to */
316 /* ANL - CMU lifetime convert routine */
317 /* for K5.4.1 don't use this for now. Need to see if it is needed */
318 /* maybe needed in the krb524d module as well */
319 /* extern unsigned long krb_life_to_time(); */
321 static char *copy_cellinfo(cellinfo_t *cellinfo)
323 cellinfo_t *new_cellinfo;
325 if ((new_cellinfo = (cellinfo_t *)malloc(sizeof(cellinfo_t))))
326 memcpy(new_cellinfo, cellinfo, sizeof(cellinfo_t));
328 return ((char *)new_cellinfo);
332 static int get_cellconfig(char *cell, struct afsconf_cell *cellconfig, char *local_cell, char *linkedcell)
334 int status = AKLOG_SUCCESS;
335 struct afsconf_dir *configdir;
337 memset(local_cell, 0, sizeof(local_cell));
338 memset((char *)cellconfig, 0, sizeof(*cellconfig));
340 if (!(configdir = afsconf_Open(AFSDIR_CLIENT_ETC_DIRPATH))) {
342 "%s: can't get afs configuration (afsconf_Open(%s))\n",
343 progname, AFSDIR_CLIENT_ETC_DIRPATH);
347 if (afsconf_GetLocalCell(configdir, local_cell, MAXCELLCHARS)) {
348 fprintf(stderr, "%s: can't determine local cell.\n", progname);
352 if ((cell == NULL) || (cell[0] == 0))
355 linkedcell[0] = '\0';
356 if (afsconf_GetCellInfo(configdir, cell, NULL, cellconfig)) {
357 fprintf(stderr, "%s: Can't get information about cell %s.\n",
361 if (cellconfig->linkedCell)
362 strncpy(linkedcell,cellconfig->linkedCell,MAXCELLCHARS);
364 (void) afsconf_Close(configdir);
370 * Log to a cell. If the cell has already been logged to, return without
371 * doing anything. Otherwise, log to it and mark that it has been logged
374 static int auth_to_cell(krb5_context context, char *cell, char *realm)
376 int status = AKLOG_SUCCESS;
377 char username[BUFSIZ]; /* To hold client username structure */
378 afs_int32 viceId; /* AFS uid of user */
380 char realm_of_user[REALM_SZ]; /* Kerberos realm of user */
381 char *realm_from_princ = 0 ; /* Calculated realm data */
382 char *realm_of_cell = 0; /* Pointer to realm we're using */
383 int retry; /* round, and round we go ... */
385 char local_cell[MAXCELLCHARS+1];
386 char cell_to_use[MAXCELLCHARS+1]; /* Cell to authenticate to */
387 static char lastcell[MAXCELLCHARS+1] = { 0 };
388 static char confname[512] = { 0 };
389 krb5_creds *v5cred = NULL;
390 struct ktc_principal aserver;
391 struct ktc_principal aclient;
392 struct ktc_token atoken, btoken;
394 memset(realm_of_user, 0, sizeof(realm_of_user));
396 if (confname[0] == '\0') {
397 strncpy(confname, AFSDIR_CLIENT_ETC_DIRPATH, sizeof(confname));
398 confname[sizeof(confname) - 2] = '\0';
401 /* NULL or empty cell returns information on local cell */
402 if ((status = get_cellconfig(cell, &ak_cellconfig,
403 local_cell, linkedcell)))
406 strncpy(cell_to_use, ak_cellconfig.name, MAXCELLCHARS);
407 cell_to_use[MAXCELLCHARS] = 0;
409 if (ll_string(&authedcells, ll_s_check, cell_to_use)) {
411 printf("Already authenticated to %s (or tried to)\n",
414 return(AKLOG_SUCCESS);
418 * Record that we have attempted to log to this cell. We do this
419 * before we try rather than after so that we will not try
420 * and fail repeatedly for one cell.
422 (void)ll_string(&authedcells, ll_s_add, cell_to_use);
425 * Record this cell in the list of zephyr subscriptions. We may
426 * want zephyr subscriptions even if authentication fails.
427 * If this is done after we attempt to get tokens, aklog -zsubs
428 * can return something different depending on whether or not we
429 * are in -noauth mode.
431 if (ll_string(&zsublist, ll_s_add, cell_to_use) == LL_FAILURE) {
433 "%s: failure adding cell %s to zephyr subscriptions list.\n",
434 progname, cell_to_use);
437 if (ll_string(&zsublist, ll_s_add, local_cell) == LL_FAILURE) {
439 "%s: failure adding cell %s to zephyr subscriptions list.\n",
440 progname, local_cell);
446 printf("Authenticating to cell %s (server %s).\n",
447 cell_to_use, ak_cellconfig.hostName[0]);
450 if ((status = get_user_realm(context, realm_of_user))) {
451 fprintf(stderr, "%s: Couldn't determine realm of user:)",
453 afs_com_err(progname, status, " while getting realm");
454 return(AKLOG_KERBEROS);
461 /* This code tries principals in the following, much debated,
464 * If the realm is specified on the command line we do
465 * - afs/cell@COMMAND-LINE-REALM
466 * - afs@COMMAND-LINE-REALM
469 * - afs/cell@REALM-FROM-USERS-PRINCIPAL
470 * - afs/cell@krb5_get_host_realm(db-server)
471 * Then, if krb5_get_host_realm(db-server) is non-empty
472 * - afs@ krb5_get_host_realm(db-server)
474 * - afs/cell@ upper-case-domain-of-db-server
475 * - afs@ upper-case-domain-of-db-server
477 * In all cases, the 'afs@' variant is only tried where the
478 * cell and the realm match case-insensitively.
481 /* Cell on command line - use that one */
482 if (realm && realm[0]) {
483 realm_of_cell = realm;
484 status = AKLOG_TRYAGAIN;
486 printf("We were told to authenticate to realm %s.\n",
490 /* Initially, try using afs/cell@USERREALM */
492 printf("Trying to authenticate to user's realm %s.\n",
496 realm_of_cell = realm_of_user;
497 status = get_credv5(context, AFSKEY, cell_to_use,
498 realm_of_cell, &v5cred);
500 /* If that failed, try to determine the realm from the name of
501 * one of the DB servers */
502 if (TRYAGAIN(status)) {
503 realm_of_cell = afs_realm_of_cell(context, &ak_cellconfig,
505 if (!realm_of_cell) {
507 "%s: Couldn't figure out realm for cell %s.\n",
508 progname, cell_to_use);
513 if (realm_of_cell[0])
514 printf("We've deduced that we need to authenticate"
515 " to realm %s.\n", realm_of_cell);
517 printf("We've deduced that we need to authenticate "
518 "using referrals.\n");
523 if (TRYAGAIN(status)) {
524 /* If we've got the full-princ-first option, or we're in a
525 * different realm from the cell - use the cell name as the
527 if (AFS_TRY_FULL_PRINC ||
528 strcasecmp(cell_to_use, realm_of_cell)!=0) {
529 status = get_credv5(context, AFSKEY, cell_to_use,
530 realm_of_cell, &v5cred);
532 /* If we failed & we've got an empty realm, then try
533 * calling afs_realm_for_cell again. */
534 if (TRYAGAIN(status) && !realm_of_cell[0]) {
535 /* This time, get the realm by taking the domain
536 * component of the db server and make it upper case */
537 realm_of_cell = afs_realm_of_cell(context,
538 &ak_cellconfig, TRUE);
539 if (!realm_of_cell) {
541 "%s: Couldn't figure out realm for cell "
542 "%s.\n", progname, cell_to_use);
546 printf("We've deduced that we need to authenticate"
547 " to realm %s.\n", realm_of_cell);
550 status = get_credv5(context, AFSKEY, cell_to_use,
551 realm_of_cell, &v5cred);
554 /* If the realm and cell name match, then try without an
555 * instance, but only if realm is non-empty */
557 if (TRYAGAIN(status) &&
558 strcasecmp(cell_to_use, realm_of_cell) == 0) {
559 status = get_credv5(context, AFSKEY, NULL,
560 realm_of_cell, &v5cred);
561 if (!AFS_TRY_FULL_PRINC && TRYAGAIN(status)) {
562 status = get_credv5(context, AFSKEY, cell_to_use,
563 realm_of_cell, &v5cred);
568 /* Try to find a service principal for this cell.
569 * Some broken MIT libraries return KRB5KRB_AP_ERR_MSG_TYPE upon
570 * the first attempt, so we try twice to be sure */
572 if (status == KRB5KRB_AP_ERR_MSG_TYPE && retry == 1)
580 printf("Kerberos error code returned by get_cred : %d\n",
583 fprintf(stderr, "%s: Couldn't get %s AFS tickets:\n",
584 progname, cell_to_use);
585 afs_com_err(progname, status, "while getting AFS tickets");
586 return(AKLOG_KERBEROS);
589 /* If we've got a valid ticket, and we still don't know the realm name
590 * try to figure it out from the contents of the ticket
592 #if !defined(USING_HEIMDAL) && defined(HAVE_KRB5_DECODE_TICKET)
593 if (strcmp(realm_of_cell, "") == 0) {
594 krb5_error_code code;
597 code = krb5_decode_ticket(&v5cred->ticket, &ticket);
601 "%s: Couldn't decode ticket to determine realm for "
603 progname, cell_to_use);
605 int len = realm_len(context, ticket->server);
606 /* This really shouldn't happen. */
607 if (len > REALM_SZ-1)
610 realm_from_princ = (char *) malloc(sizeof(char) * (len+1));
612 strncpy(realm_from_princ, realm_data(context, ticket->server),
614 realm_from_princ[len] = 0;
615 realm_of_cell = realm_from_princ;
617 krb5_free_ticket(context, ticket);
622 strncpy(aserver.name, AFSKEY, MAXKTCNAMELEN - 1);
623 strncpy(aserver.instance, AFSINST, MAXKTCNAMELEN - 1);
624 strncpy(aserver.cell, cell_to_use, MAXKTCREALMLEN - 1);
627 * The default is to use rxkad2b, which means we put in a full
628 * V5 ticket. If the user specifies -524, we talk to the
629 * 524 ticket converter.
633 char k4name[ANAME_SZ], k4inst[INST_SZ], k4realm[REALM_SZ];
634 #ifdef HAVE_NO_KRB5_524
640 printf("Using Kerberos V5 ticket natively\n");
642 #ifndef HAVE_NO_KRB5_524
643 status = krb5_524_conv_principal (context, v5cred->client,
648 afs_com_err(progname, status, "while converting principal "
649 "to Kerberos V4 format");
650 return(AKLOG_KERBEROS);
652 strcpy (username, k4name);
654 strcat (username, ".");
655 strcat (username, k4inst);
658 len = min(get_princ_len(context, v5cred->client, 0),
659 second_comp(context, v5cred->client) ?
660 MAXKTCNAMELEN - 2 : MAXKTCNAMELEN - 1);
661 strncpy(username, get_princ_str(context, v5cred->client, 0), len);
662 username[len] = '\0';
664 if (second_comp(context, v5cred->client)) {
665 strcat(username, ".");
666 p = username + strlen(username);
667 len = min(get_princ_len(context, v5cred->client, 1),
668 MAXKTCNAMELEN - strlen(username) - 1);
669 strncpy(p, get_princ_str(context, v5cred->client, 1), len);
674 memset(&atoken, 0, sizeof(atoken));
675 atoken.kvno = RXKAD_TKT_TYPE_KERBEROS_V5;
676 atoken.startTime = v5cred->times.starttime;;
677 atoken.endTime = v5cred->times.endtime;
678 memcpy(&atoken.sessionKey, get_cred_keydata(v5cred),
679 get_cred_keylen(v5cred));
680 atoken.ticketLen = v5cred->ticket.length;
681 memcpy(atoken.ticket, v5cred->ticket.data, atoken.ticketLen);
682 #ifndef HAVE_NO_KRB5_524
687 printf("Using Kerberos 524 translator service\n");
689 status = krb5_524_convert_creds(context, v5cred, &cred);
692 afs_com_err(progname, status, "while converting tickets "
693 "to Kerberos V4 format");
694 return(AKLOG_KERBEROS);
697 strcpy (username, cred.pname);
699 strcat (username, ".");
700 strcat (username, cred.pinst);
703 atoken.kvno = cred.kvno;
704 atoken.startTime = cred.issue_date;
706 * It seems silly to go through a bunch of contortions to
707 * extract the expiration time, when the v5 credentials already
708 * has the exact time! Let's use that instead.
710 * Note that this isn't a security hole, as the expiration time
711 * is also contained in the encrypted token
713 atoken.endTime = v5cred->times.endtime;
714 memcpy(&atoken.sessionKey, cred.session, 8);
715 atoken.ticketLen = cred.ticket_st.length;
716 memcpy(atoken.ticket, cred.ticket_st.dat, atoken.ticketLen);
717 #endif /* HAVE_NO_KRB5_524 */
721 !ktc_GetToken(&aserver, &btoken, sizeof(btoken), &aclient) &&
722 atoken.kvno == btoken.kvno &&
723 atoken.ticketLen == btoken.ticketLen &&
724 !memcmp(&atoken.sessionKey, &btoken.sessionKey, sizeof(atoken.sessionKey)) &&
725 !memcmp(atoken.ticket, btoken.ticket, atoken.ticketLen)) {
728 printf("Identical tokens already exist; skipping.\n");
739 printf("Not resolving name %s to id (-noprdb set)\n",
744 if (strcmp(realm_of_user, realm_of_cell)) {
745 strcat(username, "@");
746 strcat(username, realm_of_user);
750 printf("About to resolve name %s to id in cell %s.\n",
751 username, aserver.cell);
754 strcpy(lastcell, aserver.cell);
756 if (!pr_Initialize (0, confname, aserver.cell))
757 status = pr_SNameToId (username, &viceId);
761 printf("Error %d\n", status);
763 printf("Id %d\n", (int) viceId);
767 * This is a crock, but it is Transarc's crock, so
768 * we have to play along in order to get the
769 * functionality. The way the afs id is stored is
770 * as a string in the username field of the token.
771 * Contrary to what you may think by looking at
772 * the code for tokens, this hack (AFS ID %d) will
773 * not work if you change %d to something else.
777 * This code is taken from cklog -- it lets people
778 * automatically register with the ptserver in foreign cells
781 #ifdef ALLOW_REGISTER
782 if ((status == 0) && (viceId == ANONYMOUSID) &&
783 (strcmp(realm_of_user, realm_of_cell) != 0)) {
785 printf("doing first-time registration of %s "
786 "at %s\n", username, cell_to_use);
789 strncpy(aclient.name, username, MAXKTCNAMELEN - 1);
790 strcpy(aclient.instance, "");
791 strncpy(aclient.cell, realm_of_user, MAXKTCREALMLEN - 1);
792 if ((status = ktc_SetToken(&aserver, &atoken, &aclient, 0))) {
793 fprintf(stderr, "%s: unable to obtain tokens for cell %s "
794 "(status: %d).\n", progname, cell_to_use, status);
795 status = AKLOG_TOKEN;
799 * In case you're wondering, we don't need to change the
800 * filename here because we're still connecting to the
801 * same cell -- we're just using a different authentication
805 if ((status = pr_Initialize(1L, confname, aserver.cell))) {
806 printf("Error %d\n", status);
809 if ((status = pr_CreateUser(username, &viceId))) {
810 fprintf(stderr, "%s: %s so unable to create remote PTS "
811 "user %s in cell %s (status: %d).\n", progname,
812 afs_error_message(status), username, cell_to_use,
814 viceId = ANONYMOUSID;
816 printf("created cross-cell entry for %s (Id %d) at %s\n",
817 username, viceId, cell_to_use);
820 #endif /* ALLOW_REGISTER */
822 if ((status == 0) && (viceId != ANONYMOUSID)) {
823 sprintf(username, "AFS ID %d", (int) viceId);
828 fprintf(stdout, "Set username to %s\n", username);
831 /* Reset the "aclient" structure before we call ktc_SetToken.
832 * This structure was first set by the ktc_GetToken call when
833 * we were comparing whether identical tokens already existed.
835 strncpy(aclient.name, username, MAXKTCNAMELEN - 1);
836 strcpy(aclient.instance, "");
837 strncpy(aclient.cell, realm_of_user, MAXKTCREALMLEN - 1);
840 printf("Setting tokens. %s / %s @ %s \n",
841 aclient.name, aclient.instance, aclient.cell );
843 #ifndef AFS_AIX51_ENV
844 /* on AIX 4.1.4 with AFS 3.4a+ if a write is not done before
845 * this routine, it will not add the token. It is not clear what
846 * is going on here! So we will do the following operation.
847 * On AIX 5, it causes the parent program to die, so we won't.
849 write(2,"",0); /* dummy write */
851 if ((status = ktc_SetToken(&aserver, &atoken, &aclient, afssetpag))) {
853 "%s: unable to obtain tokens for cell %s (status: %d).\n",
854 progname, cell_to_use, status);
855 status = AKLOG_TOKEN;
860 printf("Noauth mode; not authenticating.\n");
866 static int get_afs_mountpoint(char *file, char *mountpoint, int size)
869 char V ='V'; /* AFS has problem on Sun with pioctl */
871 char our_file[MAXPATHLEN + 1];
873 char *last_component;
874 struct ViceIoctl vio;
875 char cellname[BUFSIZ];
877 memset(our_file, 0, sizeof(our_file));
878 strcpy(our_file, file);
880 if ((last_component = strrchr(our_file, DIR))) {
881 *last_component++ = 0;
882 parent_dir = our_file;
885 last_component = our_file;
889 memset(cellname, 0, sizeof(cellname));
891 vio.in = last_component;
892 vio.in_size = strlen(last_component)+1;
894 vio.out = mountpoint;
896 if (!pioctl(parent_dir, VIOC_AFS_STAT_MT_PT, &vio, 0)) {
897 if (strchr(mountpoint, VOLMARKER) == NULL) {
899 vio.in_size = strlen(file) + 1;
900 vio.out_size = sizeof(cellname);
903 if (!pioctl(file, VIOC_FILE_CELL_NAME, &vio, 1)) {
904 strcat(cellname, VOLMARKERSTRING);
905 strcat(cellname, mountpoint + 1);
906 memset(mountpoint + 1, 0, size - 1);
907 strcpy(mountpoint + 1, cellname);
917 * This routine each time it is called returns the next directory
918 * down a pathname. It resolves all symbolic links. The first time
919 * it is called, it should be called with the name of the path
920 * to be descended. After that, it should be called with the arguemnt
923 static char *next_path(char *origpath)
925 static char path[MAXPATHLEN + 1];
926 static char pathtocheck[MAXPATHLEN + 1];
928 int link = FALSE; /* Is this a symbolic link? */
929 char linkbuf[MAXPATHLEN + 1];
930 char tmpbuf[MAXPATHLEN + 1];
932 static char *last_comp; /* last component of directory name */
933 static char *elast_comp; /* End of last component */
937 static int symlinkcount = 0; /* We can't exceed MAXSYMLINKS */
939 /* If we are given something for origpath, we are initializing only. */
941 memset(path, 0, sizeof(path));
942 memset(pathtocheck, 0, sizeof(pathtocheck));
943 strcpy(path, origpath);
949 /* We were not given origpath; find then next path to check */
951 /* If we've gotten all the way through already, return NULL */
952 if (last_comp == NULL)
956 while (*last_comp == DIR)
957 strncat(pathtocheck, last_comp++, 1);
958 len = (elast_comp = strchr(last_comp, DIR))
959 ? elast_comp - last_comp : strlen(last_comp);
960 strncat(pathtocheck, last_comp, len);
961 memset(linkbuf, 0, sizeof(linkbuf));
962 if ((link = (readlink(pathtocheck, linkbuf,
963 sizeof(linkbuf)) > 0))) {
964 if (++symlinkcount > MAXSYMLINKS) {
965 fprintf(stderr, "%s: %s\n", progname, strerror(ELOOP));
968 memset(tmpbuf, 0, sizeof(tmpbuf));
970 strcpy(tmpbuf, elast_comp);
971 if (linkbuf[0] == DIR) {
973 * If this is a symbolic link to an absolute path,
974 * replace what we have by the absolute path.
976 memset(path, 0, strlen(path));
977 memcpy(path, linkbuf, sizeof(linkbuf));
978 strcat(path, tmpbuf);
981 memset(pathtocheck, 0, sizeof(pathtocheck));
985 * If this is a symbolic link to a relative path,
986 * replace only the last component with the link name.
988 strncpy(last_comp, linkbuf, strlen(linkbuf) + 1);
989 strcat(path, tmpbuf);
991 if ((t = strrchr(pathtocheck, DIR))) {
993 memset(t, 0, strlen(t));
996 memset(pathtocheck, 0, sizeof(pathtocheck));
1000 last_comp = elast_comp;
1004 return(pathtocheck);
1008 /*****************************************/
1012 char V = 'V'; /* AFS has problem on SunOS */
1014 struct ViceIoctl vio;
1015 char outbuf[BUFSIZ];
1019 memset(outbuf, 0, sizeof(outbuf));
1021 vio.out_size = sizeof(outbuf);
1022 vio.in_size = sizeof(ind);
1027 fd = open("dee.tok",O_WRONLY);
1028 while(!pioctl(0,VIOCGETTOK,&vio,0)) {
1029 write(fd,&outbuf,sizeof(outbuf));
1034 /*****************************************/
1037 static void add_hosts(char *file)
1040 char V = 'V'; /* AFS has problem on SunOS */
1042 struct ViceIoctl vio;
1043 char outbuf[BUFSIZ];
1049 memset(outbuf, 0, sizeof(outbuf));
1051 vio.out_size = sizeof(outbuf);
1056 printf("Getting list of hosts for %s\n", file);
1058 /* Don't worry about errors. */
1059 if (!pioctl(file, VIOCWHEREIS, &vio, 1)) {
1060 phosts = (long *) outbuf;
1063 * Lists hosts that we care about. If ALLHOSTS is defined,
1064 * then all hosts that you ever may possible go through are
1065 * included in this list. If not, then only hosts that are
1066 * the only ones appear. That is, if a volume you must use
1067 * is replaced on only one server, that server is included.
1068 * If it is replicated on many servers, then none are included.
1069 * This is not perfect, but the result is that people don't
1070 * get subscribed to a lot of instances of FILSRV that they
1071 * probably won't need which reduces the instances of
1072 * people getting messages that don't apply to them.
1075 if (phosts[1] != '\0')
1078 for (i = 0; phosts[i]; i++) {
1080 in.s_addr = phosts[i];
1082 printf("Got host %s\n", inet_ntoa(in));
1084 ll_string(&hostlist, ll_s_add, (char *)inet_ntoa(in));
1086 if (zsubs && (hp=gethostbyaddr((char *) &phosts[i],sizeof(long),AF_INET))) {
1088 printf("Got host %s\n", hp->h_name);
1090 ll_string(&zsublist, ll_s_add, hp->h_name);
1097 * This routine descends through a path to a directory, logging to
1098 * every cell it encounters along the way.
1100 static int auth_to_path(krb5_context context, char *path)
1102 int status = AKLOG_SUCCESS;
1103 int auth_to_cell_status = AKLOG_SUCCESS;
1106 char pathtocheck[MAXPATHLEN + 1];
1107 char mountpoint[MAXPATHLEN + 1];
1116 strcpy(pathtocheck, path);
1118 if (getcwd(pathtocheck, sizeof(pathtocheck)) == NULL) {
1119 fprintf(stderr, "Unable to find current working directory:\n");
1120 fprintf(stderr, "%s\n", pathtocheck);
1121 fprintf(stderr, "Try an absolute pathname.\n");
1122 exit(AKLOG_BADPATH);
1125 strcat(pathtocheck, DIRSTRING);
1126 strcat(pathtocheck, path);
1129 next_path(pathtocheck);
1131 /* Go on to the next level down the path */
1132 while ((nextpath = next_path(NULL))) {
1133 strcpy(pathtocheck, nextpath);
1135 printf("Checking directory %s\n", pathtocheck);
1138 * If this is an afs mountpoint, determine what cell from
1139 * the mountpoint name which is of the form
1140 * #cellname:volumename or %cellname:volumename.
1142 if (get_afs_mountpoint(pathtocheck, mountpoint, sizeof(mountpoint))) {
1143 /* skip over the '#' or '%' */
1144 cell = mountpoint + 1;
1145 /* Add this (cell:volumename) to the list of zsubs */
1147 ll_string(&zsublist, ll_s_add, cell);
1149 add_hosts(pathtocheck);
1150 if ((endofcell = strchr(mountpoint, VOLMARKER))) {
1152 if ((auth_to_cell_status = auth_to_cell(context, cell, NULL))) {
1153 if (status == AKLOG_SUCCESS)
1154 status = auth_to_cell_status;
1155 else if (status != auth_to_cell_status)
1156 status = AKLOG_SOMETHINGSWRONG;
1161 if (isdir(pathtocheck, &isdirectory) < 0) {
1163 * If we've logged and still can't stat, there's
1166 fprintf(stderr, "%s: stat(%s): %s\n", progname,
1167 pathtocheck, strerror(errno));
1168 return(AKLOG_BADPATH);
1170 else if (! isdirectory) {
1171 /* Allow only directories */
1172 fprintf(stderr, "%s: %s: %s\n", progname, pathtocheck,
1174 return(AKLOG_BADPATH);
1184 /* Print usage message and exit */
1185 static void usage(void)
1187 fprintf(stderr, "\nUsage: %s %s%s%s\n", progname,
1188 "[-d] [[-cell | -c] cell [-k krb_realm]] ",
1189 "[[-p | -path] pathname]\n",
1190 " [-zsubs] [-hosts] [-noauth] [-noprdb] [-force] [-setpag] \n"
1192 #ifndef HAVE_NO_KRB5_524
1196 fprintf(stderr, " -d gives debugging information.\n");
1197 fprintf(stderr, " krb_realm is the kerberos realm of a cell.\n");
1198 fprintf(stderr, " pathname is the name of a directory to which ");
1199 fprintf(stderr, "you wish to authenticate.\n");
1200 fprintf(stderr, " -zsubs gives zephyr subscription information.\n");
1201 fprintf(stderr, " -hosts gives host address information.\n");
1202 fprintf(stderr, " -noauth does not attempt to get tokens.\n");
1203 fprintf(stderr, " -noprdb means don't try to determine AFS ID.\n");
1204 fprintf(stderr, " -force means replace identical tickets. \n");
1205 fprintf(stderr, " -linked means if AFS node is linked, try both. \n");
1206 fprintf(stderr, " -setpag set the AFS process authentication group.\n");
1207 #ifndef HAVE_NO_KRB5_524
1208 fprintf(stderr, " -524 means use the 524 converter instead of V5 directly\n");
1210 fprintf(stderr, " No commandline arguments means ");
1211 fprintf(stderr, "authenticate to the local cell.\n");
1212 fprintf(stderr, "\n");
1216 void aklog(int argc, char *argv[])
1218 krb5_context context;
1219 int status = AKLOG_SUCCESS;
1221 int somethingswrong = FALSE;
1223 cellinfo_t cellinfo;
1225 extern char *progname; /* Name of this program */
1227 extern int dflag; /* Debug mode */
1229 int cmode = FALSE; /* Cellname mode */
1230 int pmode = FALSE; /* Path name mode */
1232 char realm[REALM_SZ]; /* Kerberos realm of afs server */
1233 char cell[BUFSIZ]; /* Cell to which we are authenticating */
1234 char path[MAXPATHLEN + 1]; /* Path length for path mode */
1236 linked_list cells; /* List of cells to log to */
1237 linked_list paths; /* List of paths to log to */
1240 memset(&cellinfo, 0, sizeof(cellinfo));
1242 memset(realm, 0, sizeof(realm));
1243 memset(cell, 0, sizeof(cell));
1244 memset(path, 0, sizeof(path));
1252 /* Store the program name here for error messages */
1253 if ((progname = strrchr(argv[0], DIR)))
1258 krb5_init_context(&context);
1259 initialize_ktc_error_table ();
1261 /* Initialize list of cells to which we have authenticated */
1262 (void)ll_init(&authedcells);
1264 /* Parse commandline arguments and make list of what to do. */
1265 for (i = 1; i < argc; i++) {
1266 if (strcmp(argv[i], "-d") == 0)
1268 else if (strcmp(argv[i], "-noauth") == 0)
1270 else if (strcmp(argv[i], "-zsubs") == 0)
1272 else if (strcmp(argv[i], "-hosts") == 0)
1274 else if (strcmp(argv[i], "-noprdb") == 0)
1276 else if (strcmp(argv[i], "-linked") == 0)
1278 else if (strcmp(argv[i], "-force") == 0)
1280 #ifndef HAVE_NO_KRB5_524
1281 else if (strcmp(argv[i], "-524") == 0)
1284 else if (strcmp(argv[i], "-setpag") == 0)
1286 else if (((strcmp(argv[i], "-cell") == 0) ||
1287 (strcmp(argv[i], "-c") == 0)) && !pmode)
1290 strcpy(cell, argv[i]);
1294 else if ((strcmp(argv[i], "-keytab") == 0))
1300 else if ((strcmp(argv[i], "-principal") == 0))
1306 else if (((strcmp(argv[i], "-path") == 0) ||
1307 (strcmp(argv[i], "-p") == 0)) && !cmode)
1310 strcpy(path, argv[i]);
1315 else if (argv[i][0] == '-')
1317 else if (!pmode && !cmode) {
1318 if (strchr(argv[i], DIR) || (strcmp(argv[i], ".") == 0) ||
1319 (strcmp(argv[i], "..") == 0)) {
1321 strcpy(path, argv[i]);
1325 strcpy(cell, argv[i]);
1332 if (((i + 1) < argc) && (strcmp(argv[i + 1], "-k") == 0)) {
1335 strcpy(realm, argv[i]);
1339 /* Add this cell to list of cells */
1340 strcpy(cellinfo.cell, cell);
1341 strcpy(cellinfo.realm, realm);
1342 if ((cur_node = ll_add_node(&cells, ll_tail))) {
1344 if ((new_cellinfo = copy_cellinfo(&cellinfo)))
1345 ll_add_data(cur_node, new_cellinfo);
1348 "%s: failure copying cellinfo.\n", progname);
1353 fprintf(stderr, "%s: failure adding cell to cells list.\n",
1357 memset(&cellinfo, 0, sizeof(cellinfo));
1359 memset(cell, 0, sizeof(cell));
1360 memset(realm, 0, sizeof(realm));
1363 /* Add this path to list of paths */
1364 if ((cur_node = ll_add_node(&paths, ll_tail))) {
1366 if ((new_path = strdup(path)))
1367 ll_add_data(cur_node, new_path);
1369 fprintf(stderr, "%s: failure copying path name.\n",
1375 fprintf(stderr, "%s: failure adding path to paths list.\n",
1380 memset(path, 0, sizeof(path));
1385 * The code that _used_ to be here called setpag(). When you think
1386 * about this, doing this makes no sense! setpag() allocates a PAG
1387 * only for the current process, so the token installed would have
1388 * not be usable in the parent! Since ktc_SetToken() now takes a
1389 * 4th argument to control whether or not we're going to allocate
1390 * a PAG (and since when you do it _that_ way, it modifies the cred
1391 * structure of your parent)), why don't we use that instead?
1402 printf("setpag %d\n",status);
1403 j = getgroups(gidsetlen,gidset);
1404 printf("Groups(%d):",j);
1405 for (i = 0; i<j; i++) {
1406 printf("%d",gidset[i]);
1407 if((i+1)<j) printf(",");
1413 /* If nothing was given, log to the local cell. */
1414 if ((cells.nelements + paths.nelements) == 0) {
1417 status = auth_to_cell(context, NULL, NULL);
1419 /* If this cell is linked to a DCE cell, and user
1420 * requested -linked, get tokens for both
1421 * This is very usefull when the AFS cell is linked to a DFS
1422 * cell and this system does not also have DFS.
1425 if (!status && linked && linkedcell[0]) {
1426 strncpy(linkedcell2,linkedcell,MAXCELLCHARS);
1428 printf("Linked cell: %s\n", linkedcell);
1430 status = auth_to_cell(context, linkedcell2, NULL);
1434 * Local hack - if the person has a file in their home
1435 * directory called ".xlog", read that for a list of
1436 * extra cells to authenticate to
1439 if ((pwd = getpwuid(getuid())) != NULL) {
1442 char fcell[100], xlog_path[512];
1444 strcpy(xlog_path, pwd->pw_dir);
1445 strcat(xlog_path, "/.xlog");
1447 if ((stat(xlog_path, &sbuf) == 0) &&
1448 ((f = fopen(xlog_path, "r")) != NULL)) {
1451 printf("Reading %s for cells to "
1452 "authenticate to.\n", xlog_path);
1455 while (fgets(fcell, 100, f) != NULL) {
1458 fcell[strlen(fcell) - 1] = '\0';
1461 printf("Found cell %s in %s.\n",
1465 auth_status = auth_to_cell(context, fcell, NULL);
1466 if (status == AKLOG_SUCCESS)
1467 status = auth_status;
1469 status = AKLOG_SOMETHINGSWRONG;
1475 /* Log to all cells in the cells list first */
1476 for (cur_node = cells.first; cur_node; cur_node = cur_node->next) {
1477 memcpy((char *)&cellinfo, cur_node->data, sizeof(cellinfo));
1478 if ((status = auth_to_cell(context, cellinfo.cell, cellinfo.realm)))
1481 if (linked && linkedcell[0]) {
1482 strncpy(linkedcell2,linkedcell,MAXCELLCHARS);
1484 printf("Linked cell: %s\n",
1487 if ((status = auth_to_cell(context,linkedcell2,
1494 /* Then, log to all paths in the paths list */
1495 for (cur_node = paths.first; cur_node; cur_node = cur_node->next) {
1496 if ((status = auth_to_path(context, cur_node->data)))
1501 * If only one thing was logged to, we'll return the status
1502 * of the single call. Otherwise, we'll return a generic
1503 * something failed status.
1505 if (somethingswrong && ((cells.nelements + paths.nelements) > 1))
1506 status = AKLOG_SOMETHINGSWRONG;
1509 /* If we are keeping track of zephyr subscriptions, print them. */
1511 for (cur_node = zsublist.first; cur_node; cur_node = cur_node->next) {
1512 printf("zsub: %s\n", cur_node->data);
1515 /* If we are keeping track of host information, print it. */
1517 for (cur_node = hostlist.first; cur_node; cur_node = cur_node->next) {
1518 printf("host: %s\n", cur_node->data);
1524 static int isdir(char *path, unsigned char *val)
1526 struct stat statbuf;
1528 if (lstat(path, &statbuf) < 0)
1531 if ((statbuf.st_mode & S_IFMT) == S_IFDIR)
1539 static krb5_error_code get_credv5_akimpersonate(krb5_context context,
1541 krb5_principal service_principal,
1542 krb5_principal client_principal,
1545 int *allowed_enctypes,
1547 krb5_creds** out_creds /* out */ )
1549 #if defined(USING_HEIMDAL) || (defined(HAVE_ENCODE_KRB5_ENC_TKT) && defined(HAVE_ENCODE_KRB5_TICKET) && defined(HAVE_KRB5_C_ENCRYPT))
1550 krb5_error_code code;
1552 krb5_kt_cursor cursor[1];
1553 krb5_keytab_entry entry[1];
1555 krb5_creds *creds = 0;
1556 krb5_enctype enctype;
1558 krb5_keyblock session_key[1];
1560 Ticket ticket_reply[1];
1561 EncTicketPart enc_tkt_reply[1];
1562 krb5_address address[30];
1563 krb5_addresses faddr[1];
1565 time_t temp_time[2];
1567 krb5_ticket ticket_reply[1];
1568 krb5_enc_tkt_part enc_tkt_reply[1];
1569 krb5_address address[30], *faddr[30];
1573 static int any_enctype[] = {0};
1575 if (!(creds = malloc(sizeof *creds))) {
1579 if (!allowed_enctypes)
1580 allowed_enctypes = any_enctype;
1583 enctype = 0; /* AKIMPERSONATE_IGNORE_ENCTYPE */
1584 kvno = 0; /* AKIMPERSONATE_IGNORE_VNO */
1585 memset((char*)creds, 0, sizeof *creds);
1586 memset((char*)entry, 0, sizeof *entry);
1587 memset((char*)session_key, 0, sizeof *session_key);
1588 memset((char*)ticket_reply, 0, sizeof *ticket_reply);
1589 memset((char*)enc_tkt_reply, 0, sizeof *enc_tkt_reply);
1590 code = krb5_kt_resolve(context, keytab, &kt);
1593 afs_com_err(progname, code, "while resolving keytab %s", keytab);
1595 afs_com_err(progname, code, "while resolving default keytab");
1599 if (service_principal) {
1600 for (i = 0; (enctype = allowed_enctypes[i]) || !i; ++i) {
1601 code = krb5_kt_get_entry(context,
1608 if (allowed_enctypes[i])
1609 deref_keyblock_enctype(session_key) = allowed_enctypes[i];
1614 afs_com_err(progname, code,"while scanning keytab entries");
1618 krb5_keytab_entry new[1];
1620 memset(new, 0, sizeof *new);
1621 if ((code == krb5_kt_start_seq_get(context, kt, cursor))) {
1622 afs_com_err(progname, code, "while starting keytab scan");
1625 while (!(code = krb5_kt_next_entry(context, kt, new, cursor))) {
1627 allowed_enctypes[i] && allowed_enctypes[i]
1628 != deref_entry_enctype(new); ++i)
1630 if ((!i || allowed_enctypes[i]) &&
1631 (best < 0 || best > i)) {
1632 krb5_free_keytab_entry_contents(context, entry);
1634 memset(new, 0, sizeof *new);
1635 } else krb5_free_keytab_entry_contents(context, new);
1637 if ((i = krb5_kt_end_seq_get(context, kt, cursor))) {
1638 afs_com_err(progname, i, "while ending keytab scan");
1643 afs_com_err(progname, code, "while scanning keytab");
1646 deref_keyblock_enctype(session_key) = deref_entry_enctype(entry);
1652 if ((code = krb5_generate_random_keyblock(context,
1653 deref_keyblock_enctype(session_key), session_key))) {
1654 afs_com_err(progname, code, "while making session key");
1657 enc_tkt_reply->flags.initial = 1;
1658 enc_tkt_reply->transited.tr_type = DOMAIN_X500_COMPRESS;
1659 enc_tkt_reply->cname = client_principal->name;
1660 enc_tkt_reply->crealm = client_principal->realm;
1661 enc_tkt_reply->key = *session_key;
1663 static krb5_data empty_string;
1664 enc_tkt_reply->transited.contents = empty_string;
1666 enc_tkt_reply->authtime = starttime;
1667 enc_tkt_reply->starttime = temp_time;
1668 *enc_tkt_reply->starttime = starttime;
1670 enc_tkt_reply->renew_till = temp_time + 1;
1671 *enc_tkt_reply->renew_till = endtime;
1673 enc_tkt_reply->endtime = endtime;
1675 if ((code = krb5_c_make_random_key(context,
1676 deref_keyblock_enctype(session_key), session_key))) {
1677 afs_com_err(progname, code, "while making session key");
1680 enc_tkt_reply->magic = KV5M_ENC_TKT_PART;
1681 #define DATACAST (unsigned char *)
1682 enc_tkt_reply->flags |= TKT_FLG_INITIAL;
1683 enc_tkt_reply->transited.tr_type = KRB5_DOMAIN_X500_COMPRESS;
1684 enc_tkt_reply->session = session_key;
1685 enc_tkt_reply->client = client_principal;
1687 static krb5_data empty_string;
1688 enc_tkt_reply->transited.tr_contents = empty_string;
1690 enc_tkt_reply->times.authtime = starttime;
1691 enc_tkt_reply->times.starttime = starttime; /* krb524init needs this */
1692 enc_tkt_reply->times.endtime = endtime;
1693 #endif /* USING_HEIMDAL */
1694 /* NB: We will discard address for now--ignoring caddr field
1695 in any case. MIT branch does what it always did. */
1697 if (paddress && *paddress) {
1698 deref_enc_tkt_addrs(enc_tkt_reply) = faddr;
1701 faddr->val = address;
1703 for (i = 0; paddress[i]; ++i) {
1705 address[i].addr_type = KRB5_ADDRESS_INET;
1706 address[i].address.data = (void*)(paddress+i);
1707 address[i].address.length = sizeof(paddress[i]);
1710 address[i].magic = KV5M_ADDRESS;
1711 address[i].addrtype = ADDRTYPE_INET;
1713 address[i].addrtype = AF_INET;
1715 address[i].contents = (void*)(paddress+i);
1716 address[i].length = sizeof(int);
1717 faddr[i] = address+i;
1728 ticket_reply->sname = service_principal->name;
1729 ticket_reply->realm = service_principal->realm;
1731 { /* crypto block */
1732 krb5_crypto crypto = 0;
1733 unsigned char *buf = 0;
1734 size_t buf_size, buf_len;
1737 ASN1_MALLOC_ENCODE(EncTicketPart, buf, buf_size,
1738 enc_tkt_reply, &buf_len, code);
1740 afs_com_err(progname, code, "while encoding ticket");
1744 if(buf_len != buf_size) {
1745 afs_com_err(progname, code,
1746 "%d != %d while encoding ticket (internal ASN.1 encoder error",
1750 what = "krb5_crypto_init";
1751 code = krb5_crypto_init(context,
1752 &deref_entry_keyblock(entry),
1753 deref_entry_enctype(entry),
1756 what = "krb5_encrypt";
1757 code = krb5_encrypt_EncryptedData(context, crypto, KRB5_KU_TICKET,
1758 buf, buf_len, entry->vno, &(ticket_reply->enc_part));
1761 if (crypto) krb5_crypto_destroy(context, crypto);
1763 afs_com_err(progname, code, "while %s", what);
1766 } /* crypto block */
1767 ticket_reply->enc_part.etype = deref_entry_enctype(entry);
1768 ticket_reply->enc_part.kvno = temp_vno;
1769 *ticket_reply->enc_part.kvno = entry->vno;
1770 ticket_reply->tkt_vno = 5;
1772 ticket_reply->server = service_principal;
1773 ticket_reply->enc_part2 = enc_tkt_reply;
1774 if ((code = krb5_encrypt_tkt_part(context, &deref_entry_keyblock(entry), ticket_reply))) {
1775 afs_com_err(progname, code, "while making ticket");
1778 ticket_reply->enc_part.kvno = entry->vno;
1781 /* Construct Creds */
1783 if ((code = krb5_copy_principal(context, service_principal,
1785 afs_com_err(progname, code, "while copying service principal");
1788 if ((code = krb5_copy_principal(context, client_principal,
1790 afs_com_err(progname, code, "while copying client principal");
1793 if ((code = krb5_copy_keyblock_contents(context, session_key,
1794 &deref_session_key(creds)))) {
1795 afs_com_err(progname, code, "while copying session key");
1800 creds->times.authtime = enc_tkt_reply->authtime;
1801 creds->times.starttime = *(enc_tkt_reply->starttime);
1802 creds->times.endtime = enc_tkt_reply->endtime;
1803 creds->times.renew_till = 0; /* *(enc_tkt_reply->renew_till) */
1804 creds->flags.b = enc_tkt_reply->flags;
1806 creds->times = enc_tkt_reply->times;
1807 creds->ticket_flags = enc_tkt_reply->flags;
1809 if (!deref_enc_tkt_addrs(enc_tkt_reply))
1811 else if ((code = krb5_copy_addresses(context,
1812 deref_enc_tkt_addrs(enc_tkt_reply), &creds->addresses))) {
1813 afs_com_err(progname, code, "while copying addresses");
1819 size_t creds_tkt_len;
1820 ASN1_MALLOC_ENCODE(Ticket, creds->ticket.data, creds->ticket.length,
1821 ticket_reply, &creds_tkt_len, code);
1823 afs_com_err(progname, code, "while encoding ticket");
1828 if ((code = encode_krb5_ticket(ticket_reply, &temp))) {
1829 afs_com_err(progname, code, "while encoding ticket");
1832 creds->ticket = *temp;
1839 if (deref_enc_data(&ticket_reply->enc_part))
1840 free(deref_enc_data(&ticket_reply->enc_part));
1841 krb5_free_keytab_entry_contents(context, entry);
1842 if (client_principal)
1843 krb5_free_principal(context, client_principal);
1844 if (service_principal)
1845 krb5_free_principal(context, service_principal);
1847 krb5_cc_close(context, cc);
1849 krb5_kt_close(context, kt);
1850 if (creds) krb5_free_creds(context, creds);
1851 krb5_free_keyblock_contents(context, session_key);
1860 static krb5_error_code get_credv5(krb5_context context,
1861 char *name, char *inst, char *realm,
1866 static krb5_principal client_principal = 0;
1869 printf("Getting tickets: %s%s%s@%s\n", name, (inst && inst[0])
1870 ? "/" : "", inst ? inst : "", realm);
1873 memset((char *)&increds, 0, sizeof(increds));
1874 /* ANL - instance may be ptr to a null string. Pass null then */
1875 if ((r = krb5_build_principal(context, &increds.server,
1876 strlen(realm), realm,
1878 (inst && strlen(inst)) ? inst : (void *) NULL,
1884 if (!_krb425_ccache) {
1885 r = krb5_cc_default(context, &_krb425_ccache);
1889 if (!client_principal) {
1891 r = krb5_parse_name(context, client, &client_principal);
1893 r = krb5_cc_get_principal(context, _krb425_ccache, &client_principal);
1899 increds.client = client_principal;
1900 increds.times.endtime = 0;
1901 /* Ask for DES since that is what V4 understands */
1902 get_creds_enctype((&increds)) = ENCTYPE_DES_CBC_CRC;
1905 int allowed_enctypes[] = {
1906 ENCTYPE_DES_CBC_CRC, 0
1909 r = get_credv5_akimpersonate(context,
1918 r = krb5_get_credentials(context, 0, _krb425_ccache, &increds, creds);
1924 static int get_user_realm(krb5_context context, char *realm)
1926 static krb5_principal client_principal = 0;
1928 krb5_error_code r = 0;
1930 if (!_krb425_ccache)
1931 krb5_cc_default(context, &_krb425_ccache);
1932 if (!client_principal) {
1934 r = krb5_parse_name(context, client, &client_principal);
1936 r = krb5_cc_get_principal(context, _krb425_ccache, &client_principal);
1942 i = realm_len(context, client_principal);
1943 if (i > REALM_SZ-1) i = REALM_SZ-1;
1944 strncpy(realm,realm_data(context, client_principal), i);