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5 * For distribution and copying rights, see the file "mit-copyright.h"
8 * Copyright (c) 2005, 2006
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23 * This software is provided as is, without representation
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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>
68 #ifndef HAVE_KERBEROSV_HEIM_ERR_H
69 #include <afs/com_err.h>
72 #include <afs/param.h>
74 #include <sys/ioccom.h>
77 #include <afs/cellconfig.h>
79 #include <afs/venus.h>
80 #include <afs/ptserver.h>
81 #include <afs/ptuser.h>
82 #include <afs/dirpath.h>
85 #include "linked_list.h"
87 #ifdef HAVE_KRB5_CREDS_KEYBLOCK
90 #ifdef HAVE_KRB5_CREDS_SESSION
91 #define USING_HEIMDAL 1
97 #ifndef AFS_TRY_FULL_PRINC
98 #define AFS_TRY_FULL_PRINC 1
99 #endif /* AFS_TRY_FULL_PRINC */
101 #define AKLOG_TRYAGAIN -1
102 #define AKLOG_SUCCESS 0
103 #define AKLOG_USAGE 1
104 #define AKLOG_SOMETHINGSWRONG 2
106 #define AKLOG_KERBEROS 4
107 #define AKLOG_TOKEN 5
108 #define AKLOG_BADPATH 6
124 /* RedHat 4.x doesn't seem to define this */
125 #define MAXSYMLINKS 5
128 #define DIR '/' /* Character that divides directories */
129 #define DIRSTRING "/" /* String form of above */
130 #define VOLMARKER ':' /* Character separating cellname from mntpt */
131 #define VOLMARKERSTRING ":" /* String form of above */
135 char realm[REALM_SZ];
138 struct afsconf_cell ak_cellconfig; /* General information about the cell */
139 static char linkedcell[MAXCELLCHARS+1];
140 static char linkedcell2[MAXCELLCHARS+1];
141 static krb5_ccache _krb425_ccache = NULL;
144 * Why doesn't AFS provide these prototypes?
147 extern int pioctl(char *, afs_int32, struct ViceIoctl *, afs_int32);
153 extern char *afs_realm_of_cell(krb5_context, struct afsconf_cell *, int);
154 static int isdir(char *, unsigned char *);
155 static krb5_error_code get_credv5(krb5_context context, char *, char *,
156 char *, krb5_creds **);
157 static int get_user_realm(krb5_context, char *);
159 #define TRYAGAIN(x) (x == AKLOG_TRYAGAIN || \
160 x == KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN || \
161 x == KRB5KRB_ERR_GENERIC)
163 #if defined(HAVE_KRB5_PRINC_SIZE) || defined(krb5_princ_size)
165 #define get_princ_str(c, p, n) krb5_princ_component(c, p, n)->data
166 #define get_princ_len(c, p, n) krb5_princ_component(c, p, n)->length
167 #define second_comp(c, p) (krb5_princ_size(c, p) > 1)
168 #define realm_data(c, p) krb5_princ_realm(c, p)->data
169 #define realm_len(c, p) krb5_princ_realm(c, p)->length
171 #elif defined(HAVE_KRB5_PRINCIPAL_GET_COMP_STRING)
173 #define get_princ_str(c, p, n) krb5_principal_get_comp_string(c, p, n)
174 #define get_princ_len(c, p, n) strlen(krb5_principal_get_comp_string(c, p, n))
175 #define second_comp(c, p) (krb5_principal_get_comp_string(c, p, 1) != NULL)
176 #define realm_data(c, p) krb5_realm_data(krb5_principal_get_realm(c, p))
177 #define realm_len(c, p) krb5_realm_length(krb5_principal_get_realm(c, p))
180 #error "Must have either krb5_princ_size or krb5_principal_get_comp_string"
183 #if !defined(HAVE_KRB5_ENCRYPT_TKT_PART) && defined(HAVE_ENCODE_KRB5_ENC_TKT_PART) && defined(HAVE_KRB5_C_ENCRYPT)
185 krb5_encrypt_tkt_part(krb5_context context,
186 const krb5_keyblock *key,
193 if ((code = encode_krb5_enc_tkt_part(ticket->enc_part2, &data)))
195 if ((code = krb5_c_encrypt_length(context, key->enctype,
196 data->length, &enclen)))
198 ticket->enc_part.ciphertext.length = enclen;
199 if (!(ticket->enc_part.ciphertext.data = malloc(enclen))) {
203 if ((code = krb5_c_encrypt(context, key, KRB5_KEYUSAGE_KDC_REP_TICKET,
204 0, data, &ticket->enc_part))) {
205 free(ticket->enc_part.ciphertext.data);
206 ticket->enc_part.ciphertext.data = 0;
218 #if defined(HAVE_KRB5_CREDS_KEYBLOCK)
220 #define get_cred_keydata(c) c->keyblock.contents
221 #define get_cred_keylen(c) c->keyblock.length
222 #define get_creds_enctype(c) c->keyblock.enctype
224 #elif defined(HAVE_KRB5_CREDS_SESSION)
226 #define get_cred_keydata(c) c->session.keyvalue.data
227 #define get_cred_keylen(c) c->session.keyvalue.length
228 #define get_creds_enctype(c) c->session.keytype
231 #error "Must have either keyblock or session member of krb5_creds"
234 #if !defined(HAVE_KRB5_524_CONVERT_CREDS) && defined(HAVE_KRB524_CONVERT_CREDS_KDC)
235 #define krb5_524_convert_creds krb524_convert_creds_kdc
236 #elif !defined(HAVE_KRB5_524_CONVERT_CREDS) && !defined(HAVE_KRB524_CONVERT_CREDS_KDC)
237 #define HAVE_NO_KRB5_524
241 #define deref_keyblock_enctype(kb) \
244 #define deref_entry_keyblock(entry) \
247 #define deref_session_key(creds) \
250 #define deref_enc_tkt_addrs(tkt) \
253 #define deref_enc_length(enc) \
254 ((enc)->cipher.length)
256 #define deref_enc_data(enc) \
259 #define krb5_free_keytab_entry_contents krb5_kt_free_entry
262 #define deref_keyblock_enctype(kb) \
265 #define deref_entry_keyblock(entry) \
268 #define deref_session_key(creds) \
271 #define deref_enc_tkt_addrs(tkt) \
274 #define deref_enc_length(enc) \
275 ((enc)->ciphertext.length)
277 #define deref_enc_data(enc) \
278 ((enc)->ciphertext.data)
282 #define deref_entry_enctype(entry) \
283 deref_keyblock_enctype(&deref_entry_keyblock(entry))
286 * Provide a replacement for strerror if we don't have it
289 #ifndef HAVE_STRERROR
290 extern char *sys_errlist[];
291 #define strerror(x) sys_errlist[x]
292 #endif /* HAVE_STRERROR */
294 static char *progname = NULL; /* Name of this program */
295 static int dflag = FALSE; /* Give debugging information */
296 static int noauth = FALSE; /* If true, don't try to get tokens */
297 static int zsubs = FALSE; /* Are we keeping track of zephyr subs? */
298 static int hosts = FALSE; /* Are we keeping track of hosts? */
299 static int noprdb = FALSE; /* Skip resolving name to id? */
300 static int linked = FALSE; /* try for both AFS nodes */
301 static int afssetpag = FALSE; /* setpag for AFS */
302 static int force = FALSE; /* Bash identical tokens? */
303 static int do524 = FALSE; /* Should we do 524 instead of rxkad2b? */
304 static char *keytab = NULL; /* keytab for akimpersonate */
305 static char *client = NULL; /* client principal for akimpersonate */
306 static linked_list zsublist; /* List of zephyr subscriptions */
307 static linked_list hostlist; /* List of host addresses */
308 static linked_list authedcells; /* List of cells already logged to */
310 /* ANL - CMU lifetime convert routine */
311 /* for K5.4.1 don't use this for now. Need to see if it is needed */
312 /* maybe needed in the krb524d module as well */
313 /* extern unsigned long krb_life_to_time(); */
315 static char *copy_cellinfo(cellinfo_t *cellinfo)
317 cellinfo_t *new_cellinfo;
319 if ((new_cellinfo = (cellinfo_t *)malloc(sizeof(cellinfo_t))))
320 memcpy(new_cellinfo, cellinfo, sizeof(cellinfo_t));
322 return ((char *)new_cellinfo);
326 static int get_cellconfig(char *cell, struct afsconf_cell *cellconfig, char *local_cell, char *linkedcell)
328 int status = AKLOG_SUCCESS;
329 struct afsconf_dir *configdir;
331 memset(local_cell, 0, sizeof(local_cell));
332 memset((char *)cellconfig, 0, sizeof(*cellconfig));
334 if (!(configdir = afsconf_Open(AFSDIR_CLIENT_ETC_DIRPATH))) {
336 "%s: can't get afs configuration (afsconf_Open(%s))\n",
337 progname, AFSDIR_CLIENT_ETC_DIRPATH);
341 if (afsconf_GetLocalCell(configdir, local_cell, MAXCELLCHARS)) {
342 fprintf(stderr, "%s: can't determine local cell.\n", progname);
346 if ((cell == NULL) || (cell[0] == 0))
349 linkedcell[0] = '\0';
350 if (afsconf_GetCellInfo(configdir, cell, NULL, cellconfig)) {
351 fprintf(stderr, "%s: Can't get information about cell %s.\n",
355 if (cellconfig->linkedCell)
356 strncpy(linkedcell,cellconfig->linkedCell,MAXCELLCHARS);
358 (void) afsconf_Close(configdir);
364 * Log to a cell. If the cell has already been logged to, return without
365 * doing anything. Otherwise, log to it and mark that it has been logged
368 static int auth_to_cell(krb5_context context, char *cell, char *realm)
370 int status = AKLOG_SUCCESS;
371 char username[BUFSIZ]; /* To hold client username structure */
372 afs_int32 viceId; /* AFS uid of user */
374 char realm_of_user[REALM_SZ]; /* Kerberos realm of user */
375 char *realm_from_princ = 0 ; /* Calculated realm data */
376 char *realm_of_cell = 0; /* Pointer to realm we're using */
377 int retry; /* round, and round we go ... */
379 char local_cell[MAXCELLCHARS+1];
380 char cell_to_use[MAXCELLCHARS+1]; /* Cell to authenticate to */
381 static char lastcell[MAXCELLCHARS+1] = { 0 };
382 static char confname[512] = { 0 };
383 krb5_creds *v5cred = NULL;
384 struct ktc_principal aserver;
385 struct ktc_principal aclient;
386 struct ktc_token atoken, btoken;
388 memset(realm_of_user, 0, sizeof(realm_of_user));
390 if (confname[0] == '\0') {
391 strncpy(confname, AFSDIR_CLIENT_ETC_DIRPATH, sizeof(confname));
392 confname[sizeof(confname) - 2] = '\0';
395 /* NULL or empty cell returns information on local cell */
396 if ((status = get_cellconfig(cell, &ak_cellconfig,
397 local_cell, linkedcell)))
400 strncpy(cell_to_use, ak_cellconfig.name, MAXCELLCHARS);
401 cell_to_use[MAXCELLCHARS] = 0;
403 if (ll_string(&authedcells, ll_s_check, cell_to_use)) {
405 printf("Already authenticated to %s (or tried to)\n",
408 return(AKLOG_SUCCESS);
412 * Record that we have attempted to log to this cell. We do this
413 * before we try rather than after so that we will not try
414 * and fail repeatedly for one cell.
416 (void)ll_string(&authedcells, ll_s_add, cell_to_use);
419 * Record this cell in the list of zephyr subscriptions. We may
420 * want zephyr subscriptions even if authentication fails.
421 * If this is done after we attempt to get tokens, aklog -zsubs
422 * can return something different depending on whether or not we
423 * are in -noauth mode.
425 if (ll_string(&zsublist, ll_s_add, cell_to_use) == LL_FAILURE) {
427 "%s: failure adding cell %s to zephyr subscriptions list.\n",
428 progname, cell_to_use);
431 if (ll_string(&zsublist, ll_s_add, local_cell) == LL_FAILURE) {
433 "%s: failure adding cell %s to zephyr subscriptions list.\n",
434 progname, local_cell);
440 printf("Authenticating to cell %s (server %s).\n",
441 cell_to_use, ak_cellconfig.hostName[0]);
444 if ((status = get_user_realm(context, realm_of_user))) {
445 fprintf(stderr, "%s: Couldn't determine realm of user:)",
447 afs_com_err(progname, status, " while getting realm");
448 return(AKLOG_KERBEROS);
455 /* This code tries principals in the following, much debated,
458 * If the realm is specified on the command line we do
459 * - afs/cell@COMMAND-LINE-REALM
460 * - afs@COMMAND-LINE-REALM
463 * - afs/cell@REALM-FROM-USERS-PRINCIPAL
464 * - afs/cell@krb5_get_host_realm(db-server)
465 * Then, if krb5_get_host_realm(db-server) is non-empty
466 * - afs@ krb5_get_host_realm(db-server)
468 * - afs/cell@ upper-case-domain-of-db-server
469 * - afs@ upper-case-domain-of-db-server
471 * In all cases, the 'afs@' variant is only tried where the
472 * cell and the realm match case-insensitively.
475 /* Cell on command line - use that one */
476 if (realm && realm[0]) {
477 realm_of_cell = realm;
478 status = AKLOG_TRYAGAIN;
480 printf("We were told to authenticate to realm %s.\n",
484 /* Initially, try using afs/cell@USERREALM */
486 printf("Trying to authenticate to user's realm %s.\n",
490 realm_of_cell = realm_of_user;
491 status = get_credv5(context, AFSKEY, cell_to_use,
492 realm_of_cell, &v5cred);
494 /* If that failed, try to determine the realm from the name of
495 * one of the DB servers */
496 if (TRYAGAIN(status)) {
497 realm_of_cell = afs_realm_of_cell(context, &ak_cellconfig,
499 if (!realm_of_cell) {
501 "%s: Couldn't figure out realm for cell %s.\n",
502 progname, cell_to_use);
507 if (realm_of_cell[0])
508 printf("We've deduced that we need to authenticate"
509 " to realm %s.\n", realm_of_cell);
511 printf("We've deduced that we need to authenticate "
512 "using referrals.\n");
517 if (TRYAGAIN(status)) {
518 /* If we've got the full-princ-first option, or we're in a
519 * different realm from the cell - use the cell name as the
521 if (AFS_TRY_FULL_PRINC ||
522 strcasecmp(cell_to_use, realm_of_cell)!=0) {
523 status = get_credv5(context, AFSKEY, cell_to_use,
524 realm_of_cell, &v5cred);
526 /* If we failed & we've got an empty realm, then try
527 * calling afs_realm_for_cell again. */
528 if (TRYAGAIN(status) && !realm_of_cell[0]) {
529 /* This time, get the realm by taking the domain
530 * component of the db server and make it upper case */
531 realm_of_cell = afs_realm_of_cell(context,
532 &ak_cellconfig, TRUE);
533 if (!realm_of_cell) {
535 "%s: Couldn't figure out realm for cell "
536 "%s.\n", progname, cell_to_use);
540 printf("We've deduced that we need to authenticate"
541 " to realm %s.\n", realm_of_cell);
544 status = get_credv5(context, AFSKEY, cell_to_use,
545 realm_of_cell, &v5cred);
548 /* If the realm and cell name match, then try without an
549 * instance, but only if realm is non-empty */
551 if (TRYAGAIN(status) &&
552 strcasecmp(cell_to_use, realm_of_cell) == 0) {
553 status = get_credv5(context, AFSKEY, NULL,
554 realm_of_cell, &v5cred);
555 if (!AFS_TRY_FULL_PRINC && TRYAGAIN(status)) {
556 status = get_credv5(context, AFSKEY, cell_to_use,
557 realm_of_cell, &v5cred);
562 /* Try to find a service principal for this cell.
563 * Some broken MIT libraries return KRB5KRB_AP_ERR_MSG_TYPE upon
564 * the first attempt, so we try twice to be sure */
566 if (status == KRB5KRB_AP_ERR_MSG_TYPE && retry == 1)
574 printf("Kerberos error code returned by get_cred : %d\n",
577 fprintf(stderr, "%s: Couldn't get %s AFS tickets:\n",
578 progname, cell_to_use);
579 afs_com_err(progname, status, "while getting AFS tickets");
580 return(AKLOG_KERBEROS);
583 /* If we've got a valid ticket, and we still don't know the realm name
584 * try to figure it out from the contents of the ticket
586 #if !defined(USING_HEIMDAL) && defined(HAVE_KRB5_DECODE_TICKET)
587 if (strcmp(realm_of_cell, "") == 0) {
588 krb5_error_code code;
591 code = krb5_decode_ticket(&v5cred->ticket, &ticket);
595 "%s: Couldn't decode ticket to determine realm for "
597 progname, cell_to_use);
599 int len = realm_len(context, ticket->server);
600 /* This really shouldn't happen. */
601 if (len > REALM_SZ-1)
604 realm_from_princ = (char *) malloc(sizeof(char) * (len+1));
606 strncpy(realm_from_princ, realm_data(context, ticket->server),
608 realm_from_princ[len] = 0;
609 realm_of_cell = realm_from_princ;
611 krb5_free_ticket(context, ticket);
616 strncpy(aserver.name, AFSKEY, MAXKTCNAMELEN - 1);
617 strncpy(aserver.instance, AFSINST, MAXKTCNAMELEN - 1);
618 strncpy(aserver.cell, cell_to_use, MAXKTCREALMLEN - 1);
621 * The default is to use rxkad2b, which means we put in a full
622 * V5 ticket. If the user specifies -524, we talk to the
623 * 524 ticket converter.
627 char k4name[ANAME_SZ], k4inst[INST_SZ], k4realm[REALM_SZ];
628 #ifdef HAVE_NO_KRB5_524
634 printf("Using Kerberos V5 ticket natively\n");
636 #ifndef HAVE_NO_KRB5_524
637 status = krb5_524_conv_principal (context, v5cred->client, &k4name, &k4inst, &k4realm);
639 afs_com_err(progname, status, "while converting principal "
640 "to Kerberos V4 format");
641 return(AKLOG_KERBEROS);
643 strcpy (username, k4name);
645 strcat (username, ".");
646 strcat (username, k4inst);
649 len = min(get_princ_len(context, v5cred->client, 0),
650 second_comp(context, v5cred->client) ?
651 MAXKTCNAMELEN - 2 : MAXKTCNAMELEN - 1);
652 strncpy(username, get_princ_str(context, v5cred->client, 0), len);
653 username[len] = '\0';
655 if (second_comp(context, v5cred->client)) {
656 strcat(username, ".");
657 p = username + strlen(username);
658 len = min(get_princ_len(context, v5cred->client, 1),
659 MAXKTCNAMELEN - strlen(username) - 1);
660 strncpy(p, get_princ_str(context, v5cred->client, 1), len);
665 memset(&atoken, 0, sizeof(atoken));
666 atoken.kvno = RXKAD_TKT_TYPE_KERBEROS_V5;
667 atoken.startTime = v5cred->times.starttime;;
668 atoken.endTime = v5cred->times.endtime;
669 memcpy(&atoken.sessionKey, get_cred_keydata(v5cred),
670 get_cred_keylen(v5cred));
671 atoken.ticketLen = v5cred->ticket.length;
672 memcpy(atoken.ticket, v5cred->ticket.data, atoken.ticketLen);
673 #ifndef HAVE_NO_KRB5_524
678 printf("Using Kerberos 524 translator service\n");
680 status = krb5_524_convert_creds(context, v5cred, &cred);
683 afs_com_err(progname, status, "while converting tickets "
684 "to Kerberos V4 format");
685 return(AKLOG_KERBEROS);
688 strcpy (username, cred.pname);
690 strcat (username, ".");
691 strcat (username, cred.pinst);
694 atoken.kvno = cred.kvno;
695 atoken.startTime = cred.issue_date;
697 * It seems silly to go through a bunch of contortions to
698 * extract the expiration time, when the v5 credentials already
699 * has the exact time! Let's use that instead.
701 * Note that this isn't a security hole, as the expiration time
702 * is also contained in the encrypted token
704 atoken.endTime = v5cred->times.endtime;
705 memcpy(&atoken.sessionKey, cred.session, 8);
706 atoken.ticketLen = cred.ticket_st.length;
707 memcpy(atoken.ticket, cred.ticket_st.dat, atoken.ticketLen);
708 #endif /* HAVE_NO_KRB5_524 */
712 !ktc_GetToken(&aserver, &btoken, sizeof(btoken), &aclient) &&
713 atoken.kvno == btoken.kvno &&
714 atoken.ticketLen == btoken.ticketLen &&
715 !memcmp(&atoken.sessionKey, &btoken.sessionKey, sizeof(atoken.sessionKey)) &&
716 !memcmp(atoken.ticket, btoken.ticket, atoken.ticketLen)) {
719 printf("Identical tokens already exist; skipping.\n");
730 printf("Not resolving name %s to id (-noprdb set)\n",
735 if (strcmp(realm_of_user, realm_of_cell)) {
736 strcat(username, "@");
737 strcat(username, realm_of_user);
741 printf("About to resolve name %s to id in cell %s.\n",
742 username, aserver.cell);
745 strcpy(lastcell, aserver.cell);
747 if (!pr_Initialize (0, confname, aserver.cell))
748 status = pr_SNameToId (username, &viceId);
752 printf("Error %d\n", status);
754 printf("Id %d\n", (int) viceId);
758 * This is a crock, but it is Transarc's crock, so
759 * we have to play along in order to get the
760 * functionality. The way the afs id is stored is
761 * as a string in the username field of the token.
762 * Contrary to what you may think by looking at
763 * the code for tokens, this hack (AFS ID %d) will
764 * not work if you change %d to something else.
768 * This code is taken from cklog -- it lets people
769 * automatically register with the ptserver in foreign cells
772 #ifdef ALLOW_REGISTER
773 if ((status == 0) && (viceId == ANONYMOUSID) &&
774 (strcmp(realm_of_user, realm_of_cell) != 0)) {
776 printf("doing first-time registration of %s "
777 "at %s\n", username, cell_to_use);
780 strncpy(aclient.name, username, MAXKTCNAMELEN - 1);
781 strcpy(aclient.instance, "");
782 strncpy(aclient.cell, realm_of_user, MAXKTCREALMLEN - 1);
783 if ((status = ktc_SetToken(&aserver, &atoken, &aclient, 0))) {
784 fprintf(stderr, "%s: unable to obtain tokens for cell %s "
785 "(status: %d).\n", progname, cell_to_use, status);
786 status = AKLOG_TOKEN;
790 * In case you're wondering, we don't need to change the
791 * filename here because we're still connecting to the
792 * same cell -- we're just using a different authentication
796 if ((status = pr_Initialize(1L, confname, aserver.cell))) {
797 printf("Error %d\n", status);
800 if ((status = pr_CreateUser(username, &viceId))) {
801 fprintf(stderr, "%s: %s so unable to create remote PTS "
802 "user %s in cell %s (status: %d).\n", progname,
803 afs_error_message(status), username, cell_to_use,
805 viceId = ANONYMOUSID;
807 printf("created cross-cell entry for %s (Id %d) at %s\n",
808 username, viceId, cell_to_use);
811 #endif /* ALLOW_REGISTER */
813 if ((status == 0) && (viceId != ANONYMOUSID)) {
814 sprintf(username, "AFS ID %d", (int) viceId);
819 fprintf(stdout, "Set username to %s\n", username);
822 /* Reset the "aclient" structure before we call ktc_SetToken.
823 * This structure was first set by the ktc_GetToken call when
824 * we were comparing whether identical tokens already existed.
826 strncpy(aclient.name, username, MAXKTCNAMELEN - 1);
827 strcpy(aclient.instance, "");
828 strncpy(aclient.cell, realm_of_user, MAXKTCREALMLEN - 1);
831 printf("Setting tokens. %s / %s @ %s \n",
832 aclient.name, aclient.instance, aclient.cell );
834 #ifndef AFS_AIX51_ENV
835 /* on AIX 4.1.4 with AFS 3.4a+ if a write is not done before
836 * this routine, it will not add the token. It is not clear what
837 * is going on here! So we will do the following operation.
838 * On AIX 5, it causes the parent program to die, so we won't.
840 write(2,"",0); /* dummy write */
842 if ((status = ktc_SetToken(&aserver, &atoken, &aclient, afssetpag))) {
844 "%s: unable to obtain tokens for cell %s (status: %d).\n",
845 progname, cell_to_use, status);
846 status = AKLOG_TOKEN;
851 printf("Noauth mode; not authenticating.\n");
857 static int get_afs_mountpoint(char *file, char *mountpoint, int size)
860 char V ='V'; /* AFS has problem on Sun with pioctl */
862 char our_file[MAXPATHLEN + 1];
864 char *last_component;
865 struct ViceIoctl vio;
866 char cellname[BUFSIZ];
868 memset(our_file, 0, sizeof(our_file));
869 strcpy(our_file, file);
871 if ((last_component = strrchr(our_file, DIR))) {
872 *last_component++ = 0;
873 parent_dir = our_file;
876 last_component = our_file;
880 memset(cellname, 0, sizeof(cellname));
882 vio.in = last_component;
883 vio.in_size = strlen(last_component)+1;
885 vio.out = mountpoint;
887 if (!pioctl(parent_dir, VIOC_AFS_STAT_MT_PT, &vio, 0)) {
888 if (strchr(mountpoint, VOLMARKER) == NULL) {
890 vio.in_size = strlen(file) + 1;
891 vio.out_size = sizeof(cellname);
894 if (!pioctl(file, VIOC_FILE_CELL_NAME, &vio, 1)) {
895 strcat(cellname, VOLMARKERSTRING);
896 strcat(cellname, mountpoint + 1);
897 memset(mountpoint + 1, 0, size - 1);
898 strcpy(mountpoint + 1, cellname);
908 * This routine each time it is called returns the next directory
909 * down a pathname. It resolves all symbolic links. The first time
910 * it is called, it should be called with the name of the path
911 * to be descended. After that, it should be called with the arguemnt
914 static char *next_path(char *origpath)
916 static char path[MAXPATHLEN + 1];
917 static char pathtocheck[MAXPATHLEN + 1];
919 int link = FALSE; /* Is this a symbolic link? */
920 char linkbuf[MAXPATHLEN + 1];
921 char tmpbuf[MAXPATHLEN + 1];
923 static char *last_comp; /* last component of directory name */
924 static char *elast_comp; /* End of last component */
928 static int symlinkcount = 0; /* We can't exceed MAXSYMLINKS */
930 /* If we are given something for origpath, we are initializing only. */
932 memset(path, 0, sizeof(path));
933 memset(pathtocheck, 0, sizeof(pathtocheck));
934 strcpy(path, origpath);
940 /* We were not given origpath; find then next path to check */
942 /* If we've gotten all the way through already, return NULL */
943 if (last_comp == NULL)
947 while (*last_comp == DIR)
948 strncat(pathtocheck, last_comp++, 1);
949 len = (elast_comp = strchr(last_comp, DIR))
950 ? elast_comp - last_comp : strlen(last_comp);
951 strncat(pathtocheck, last_comp, len);
952 memset(linkbuf, 0, sizeof(linkbuf));
953 if ((link = (readlink(pathtocheck, linkbuf,
954 sizeof(linkbuf)) > 0))) {
955 if (++symlinkcount > MAXSYMLINKS) {
956 fprintf(stderr, "%s: %s\n", progname, strerror(ELOOP));
959 memset(tmpbuf, 0, sizeof(tmpbuf));
961 strcpy(tmpbuf, elast_comp);
962 if (linkbuf[0] == DIR) {
964 * If this is a symbolic link to an absolute path,
965 * replace what we have by the absolute path.
967 memset(path, 0, strlen(path));
968 memcpy(path, linkbuf, sizeof(linkbuf));
969 strcat(path, tmpbuf);
972 memset(pathtocheck, 0, sizeof(pathtocheck));
976 * If this is a symbolic link to a relative path,
977 * replace only the last component with the link name.
979 strncpy(last_comp, linkbuf, strlen(linkbuf) + 1);
980 strcat(path, tmpbuf);
982 if ((t = strrchr(pathtocheck, DIR))) {
984 memset(t, 0, strlen(t));
987 memset(pathtocheck, 0, sizeof(pathtocheck));
991 last_comp = elast_comp;
999 /*****************************************/
1003 char V = 'V'; /* AFS has problem on SunOS */
1005 struct ViceIoctl vio;
1006 char outbuf[BUFSIZ];
1010 memset(outbuf, 0, sizeof(outbuf));
1012 vio.out_size = sizeof(outbuf);
1013 vio.in_size = sizeof(ind);
1018 fd = open("dee.tok",O_WRONLY);
1019 while(!pioctl(0,VIOCGETTOK,&vio,0)) {
1020 write(fd,&outbuf,sizeof(outbuf));
1025 /*****************************************/
1028 static void add_hosts(char *file)
1031 char V = 'V'; /* AFS has problem on SunOS */
1033 struct ViceIoctl vio;
1034 char outbuf[BUFSIZ];
1040 memset(outbuf, 0, sizeof(outbuf));
1042 vio.out_size = sizeof(outbuf);
1047 printf("Getting list of hosts for %s\n", file);
1049 /* Don't worry about errors. */
1050 if (!pioctl(file, VIOCWHEREIS, &vio, 1)) {
1051 phosts = (long *) outbuf;
1054 * Lists hosts that we care about. If ALLHOSTS is defined,
1055 * then all hosts that you ever may possible go through are
1056 * included in this list. If not, then only hosts that are
1057 * the only ones appear. That is, if a volume you must use
1058 * is replaced on only one server, that server is included.
1059 * If it is replicated on many servers, then none are included.
1060 * This is not perfect, but the result is that people don't
1061 * get subscribed to a lot of instances of FILSRV that they
1062 * probably won't need which reduces the instances of
1063 * people getting messages that don't apply to them.
1066 if (phosts[1] != '\0')
1069 for (i = 0; phosts[i]; i++) {
1071 in.s_addr = phosts[i];
1073 printf("Got host %s\n", inet_ntoa(in));
1075 ll_string(&hostlist, ll_s_add, (char *)inet_ntoa(in));
1077 if (zsubs && (hp=gethostbyaddr((char *) &phosts[i],sizeof(long),AF_INET))) {
1079 printf("Got host %s\n", hp->h_name);
1081 ll_string(&zsublist, ll_s_add, hp->h_name);
1088 * This routine descends through a path to a directory, logging to
1089 * every cell it encounters along the way.
1091 static int auth_to_path(krb5_context context, char *path)
1093 int status = AKLOG_SUCCESS;
1094 int auth_to_cell_status = AKLOG_SUCCESS;
1097 char pathtocheck[MAXPATHLEN + 1];
1098 char mountpoint[MAXPATHLEN + 1];
1107 strcpy(pathtocheck, path);
1109 if (getcwd(pathtocheck, sizeof(pathtocheck)) == NULL) {
1110 fprintf(stderr, "Unable to find current working directory:\n");
1111 fprintf(stderr, "%s\n", pathtocheck);
1112 fprintf(stderr, "Try an absolute pathname.\n");
1113 exit(AKLOG_BADPATH);
1116 strcat(pathtocheck, DIRSTRING);
1117 strcat(pathtocheck, path);
1120 next_path(pathtocheck);
1122 /* Go on to the next level down the path */
1123 while ((nextpath = next_path(NULL))) {
1124 strcpy(pathtocheck, nextpath);
1126 printf("Checking directory %s\n", pathtocheck);
1129 * If this is an afs mountpoint, determine what cell from
1130 * the mountpoint name which is of the form
1131 * #cellname:volumename or %cellname:volumename.
1133 if (get_afs_mountpoint(pathtocheck, mountpoint, sizeof(mountpoint))) {
1134 /* skip over the '#' or '%' */
1135 cell = mountpoint + 1;
1136 /* Add this (cell:volumename) to the list of zsubs */
1138 ll_string(&zsublist, ll_s_add, cell);
1140 add_hosts(pathtocheck);
1141 if ((endofcell = strchr(mountpoint, VOLMARKER))) {
1143 if ((auth_to_cell_status = auth_to_cell(context, cell, NULL))) {
1144 if (status == AKLOG_SUCCESS)
1145 status = auth_to_cell_status;
1146 else if (status != auth_to_cell_status)
1147 status = AKLOG_SOMETHINGSWRONG;
1152 if (isdir(pathtocheck, &isdirectory) < 0) {
1154 * If we've logged and still can't stat, there's
1157 fprintf(stderr, "%s: stat(%s): %s\n", progname,
1158 pathtocheck, strerror(errno));
1159 return(AKLOG_BADPATH);
1161 else if (! isdirectory) {
1162 /* Allow only directories */
1163 fprintf(stderr, "%s: %s: %s\n", progname, pathtocheck,
1165 return(AKLOG_BADPATH);
1175 /* Print usage message and exit */
1176 static void usage(void)
1178 fprintf(stderr, "\nUsage: %s %s%s%s\n", progname,
1179 "[-d] [[-cell | -c] cell [-k krb_realm]] ",
1180 "[[-p | -path] pathname]\n",
1181 " [-zsubs] [-hosts] [-noauth] [-noprdb] [-force] [-setpag] \n"
1183 #ifndef HAVE_NO_KRB5_524
1187 fprintf(stderr, " -d gives debugging information.\n");
1188 fprintf(stderr, " krb_realm is the kerberos realm of a cell.\n");
1189 fprintf(stderr, " pathname is the name of a directory to which ");
1190 fprintf(stderr, "you wish to authenticate.\n");
1191 fprintf(stderr, " -zsubs gives zephyr subscription information.\n");
1192 fprintf(stderr, " -hosts gives host address information.\n");
1193 fprintf(stderr, " -noauth does not attempt to get tokens.\n");
1194 fprintf(stderr, " -noprdb means don't try to determine AFS ID.\n");
1195 fprintf(stderr, " -force means replace identical tickets. \n");
1196 fprintf(stderr, " -linked means if AFS node is linked, try both. \n");
1197 fprintf(stderr, " -setpag set the AFS process authentication group.\n");
1198 #ifndef HAVE_NO_KRB5_524
1199 fprintf(stderr, " -524 means use the 524 converter instead of V5 directly\n");
1201 fprintf(stderr, " No commandline arguments means ");
1202 fprintf(stderr, "authenticate to the local cell.\n");
1203 fprintf(stderr, "\n");
1207 void aklog(int argc, char *argv[])
1209 krb5_context context;
1210 int status = AKLOG_SUCCESS;
1212 int somethingswrong = FALSE;
1214 cellinfo_t cellinfo;
1216 extern char *progname; /* Name of this program */
1218 extern int dflag; /* Debug mode */
1220 int cmode = FALSE; /* Cellname mode */
1221 int pmode = FALSE; /* Path name mode */
1223 char realm[REALM_SZ]; /* Kerberos realm of afs server */
1224 char cell[BUFSIZ]; /* Cell to which we are authenticating */
1225 char path[MAXPATHLEN + 1]; /* Path length for path mode */
1227 linked_list cells; /* List of cells to log to */
1228 linked_list paths; /* List of paths to log to */
1231 memset(&cellinfo, 0, sizeof(cellinfo));
1233 memset(realm, 0, sizeof(realm));
1234 memset(cell, 0, sizeof(cell));
1235 memset(path, 0, sizeof(path));
1243 /* Store the program name here for error messages */
1244 if ((progname = strrchr(argv[0], DIR)))
1249 krb5_init_context(&context);
1250 initialize_ktc_error_table ();
1252 /* Initialize list of cells to which we have authenticated */
1253 (void)ll_init(&authedcells);
1255 /* Parse commandline arguments and make list of what to do. */
1256 for (i = 1; i < argc; i++) {
1257 if (strcmp(argv[i], "-d") == 0)
1259 else if (strcmp(argv[i], "-noauth") == 0)
1261 else if (strcmp(argv[i], "-zsubs") == 0)
1263 else if (strcmp(argv[i], "-hosts") == 0)
1265 else if (strcmp(argv[i], "-noprdb") == 0)
1267 else if (strcmp(argv[i], "-linked") == 0)
1269 else if (strcmp(argv[i], "-force") == 0)
1271 #ifndef HAVE_NO_KRB5_524
1272 else if (strcmp(argv[i], "-524") == 0)
1275 else if (strcmp(argv[i], "-setpag") == 0)
1277 else if (((strcmp(argv[i], "-cell") == 0) ||
1278 (strcmp(argv[i], "-c") == 0)) && !pmode)
1281 strcpy(cell, argv[i]);
1285 else if ((strcmp(argv[i], "-keytab") == 0))
1291 else if ((strcmp(argv[i], "-principal") == 0))
1297 else if (((strcmp(argv[i], "-path") == 0) ||
1298 (strcmp(argv[i], "-p") == 0)) && !cmode)
1301 strcpy(path, argv[i]);
1306 else if (argv[i][0] == '-')
1308 else if (!pmode && !cmode) {
1309 if (strchr(argv[i], DIR) || (strcmp(argv[i], ".") == 0) ||
1310 (strcmp(argv[i], "..") == 0)) {
1312 strcpy(path, argv[i]);
1316 strcpy(cell, argv[i]);
1323 if (((i + 1) < argc) && (strcmp(argv[i + 1], "-k") == 0)) {
1326 strcpy(realm, argv[i]);
1330 /* Add this cell to list of cells */
1331 strcpy(cellinfo.cell, cell);
1332 strcpy(cellinfo.realm, realm);
1333 if ((cur_node = ll_add_node(&cells, ll_tail))) {
1335 if ((new_cellinfo = copy_cellinfo(&cellinfo)))
1336 ll_add_data(cur_node, new_cellinfo);
1339 "%s: failure copying cellinfo.\n", progname);
1344 fprintf(stderr, "%s: failure adding cell to cells list.\n",
1348 memset(&cellinfo, 0, sizeof(cellinfo));
1350 memset(cell, 0, sizeof(cell));
1351 memset(realm, 0, sizeof(realm));
1354 /* Add this path to list of paths */
1355 if ((cur_node = ll_add_node(&paths, ll_tail))) {
1357 if ((new_path = strdup(path)))
1358 ll_add_data(cur_node, new_path);
1360 fprintf(stderr, "%s: failure copying path name.\n",
1366 fprintf(stderr, "%s: failure adding path to paths list.\n",
1371 memset(path, 0, sizeof(path));
1376 * The code that _used_ to be here called setpag(). When you think
1377 * about this, doing this makes no sense! setpag() allocates a PAG
1378 * only for the current process, so the token installed would have
1379 * not be usable in the parent! Since ktc_SetToken() now takes a
1380 * 4th argument to control whether or not we're going to allocate
1381 * a PAG (and since when you do it _that_ way, it modifies the cred
1382 * structure of your parent)), why don't we use that instead?
1393 printf("setpag %d\n",status);
1394 j = getgroups(gidsetlen,gidset);
1395 printf("Groups(%d):",j);
1396 for (i = 0; i<j; i++) {
1397 printf("%d",gidset[i]);
1398 if((i+1)<j) printf(",");
1404 /* If nothing was given, log to the local cell. */
1405 if ((cells.nelements + paths.nelements) == 0) {
1408 status = auth_to_cell(context, NULL, NULL);
1410 /* If this cell is linked to a DCE cell, and user
1411 * requested -linked, get tokens for both
1412 * This is very usefull when the AFS cell is linked to a DFS
1413 * cell and this system does not also have DFS.
1416 if (!status && linked && linkedcell[0]) {
1417 strncpy(linkedcell2,linkedcell,MAXCELLCHARS);
1419 printf("Linked cell: %s\n", linkedcell);
1421 status = auth_to_cell(context, linkedcell2, NULL);
1425 * Local hack - if the person has a file in their home
1426 * directory called ".xlog", read that for a list of
1427 * extra cells to authenticate to
1430 if ((pwd = getpwuid(getuid())) != NULL) {
1433 char fcell[100], xlog_path[512];
1435 strcpy(xlog_path, pwd->pw_dir);
1436 strcat(xlog_path, "/.xlog");
1438 if ((stat(xlog_path, &sbuf) == 0) &&
1439 ((f = fopen(xlog_path, "r")) != NULL)) {
1442 printf("Reading %s for cells to "
1443 "authenticate to.\n", xlog_path);
1446 while (fgets(fcell, 100, f) != NULL) {
1449 fcell[strlen(fcell) - 1] = '\0';
1452 printf("Found cell %s in %s.\n",
1456 auth_status = auth_to_cell(context, fcell, NULL);
1457 if (status == AKLOG_SUCCESS)
1458 status = auth_status;
1460 status = AKLOG_SOMETHINGSWRONG;
1466 /* Log to all cells in the cells list first */
1467 for (cur_node = cells.first; cur_node; cur_node = cur_node->next) {
1468 memcpy((char *)&cellinfo, cur_node->data, sizeof(cellinfo));
1469 if ((status = auth_to_cell(context, cellinfo.cell, cellinfo.realm)))
1472 if (linked && linkedcell[0]) {
1473 strncpy(linkedcell2,linkedcell,MAXCELLCHARS);
1475 printf("Linked cell: %s\n",
1478 if ((status = auth_to_cell(context,linkedcell2,
1485 /* Then, log to all paths in the paths list */
1486 for (cur_node = paths.first; cur_node; cur_node = cur_node->next) {
1487 if ((status = auth_to_path(context, cur_node->data)))
1492 * If only one thing was logged to, we'll return the status
1493 * of the single call. Otherwise, we'll return a generic
1494 * something failed status.
1496 if (somethingswrong && ((cells.nelements + paths.nelements) > 1))
1497 status = AKLOG_SOMETHINGSWRONG;
1500 /* If we are keeping track of zephyr subscriptions, print them. */
1502 for (cur_node = zsublist.first; cur_node; cur_node = cur_node->next) {
1503 printf("zsub: %s\n", cur_node->data);
1506 /* If we are keeping track of host information, print it. */
1508 for (cur_node = hostlist.first; cur_node; cur_node = cur_node->next) {
1509 printf("host: %s\n", cur_node->data);
1515 static int isdir(char *path, unsigned char *val)
1517 struct stat statbuf;
1519 if (lstat(path, &statbuf) < 0)
1522 if ((statbuf.st_mode & S_IFMT) == S_IFDIR)
1530 static krb5_error_code get_credv5_akimpersonate(krb5_context context,
1532 krb5_principal service_principal,
1533 krb5_principal client_principal,
1536 int *allowed_enctypes,
1538 krb5_creds** out_creds /* out */ )
1540 #if defined(USING_HEIMDAL) || (defined(HAVE_ENCODE_KRB5_ENC_TKT) && defined(HAVE_ENCODE_KRB5_TICKET) && defined(HAVE_KRB5_C_ENCRYPT))
1541 krb5_error_code code;
1543 krb5_kt_cursor cursor[1];
1544 krb5_keytab_entry entry[1];
1546 krb5_creds *creds = 0;
1547 krb5_enctype enctype;
1549 krb5_keyblock session_key[1];
1551 Ticket ticket_reply[1];
1552 EncTicketPart enc_tkt_reply[1];
1553 krb5_address address[30];
1554 krb5_addresses faddr[1];
1556 time_t temp_time[2];
1558 krb5_ticket ticket_reply[1];
1559 krb5_enc_tkt_part enc_tkt_reply[1];
1560 krb5_address address[30], *faddr[30];
1564 static int any_enctype[] = {0};
1566 if (!(creds = malloc(sizeof *creds))) {
1570 if (!allowed_enctypes)
1571 allowed_enctypes = any_enctype;
1574 enctype = 0; /* AKIMPERSONATE_IGNORE_ENCTYPE */
1575 kvno = 0; /* AKIMPERSONATE_IGNORE_VNO */
1576 memset((char*)creds, 0, sizeof *creds);
1577 memset((char*)entry, 0, sizeof *entry);
1578 memset((char*)session_key, 0, sizeof *session_key);
1579 memset((char*)ticket_reply, 0, sizeof *ticket_reply);
1580 memset((char*)enc_tkt_reply, 0, sizeof *enc_tkt_reply);
1581 code = krb5_kt_resolve(context, keytab, &kt);
1584 afs_com_err(progname, code, "while resolving keytab %s", keytab);
1586 afs_com_err(progname, code, "while resolving default keytab");
1590 if (service_principal) {
1591 for (i = 0; (enctype = allowed_enctypes[i]) || !i; ++i) {
1592 code = krb5_kt_get_entry(context,
1599 if (allowed_enctypes[i])
1600 deref_keyblock_enctype(session_key) = allowed_enctypes[i];
1605 afs_com_err(progname, code,"while scanning keytab entries");
1609 krb5_keytab_entry new[1];
1611 memset(new, 0, sizeof *new);
1612 if ((code == krb5_kt_start_seq_get(context, kt, cursor))) {
1613 afs_com_err(progname, code, "while starting keytab scan");
1616 while (!(code = krb5_kt_next_entry(context, kt, new, cursor))) {
1618 allowed_enctypes[i] && allowed_enctypes[i]
1619 != deref_entry_enctype(new); ++i)
1621 if ((!i || allowed_enctypes[i]) &&
1622 (best < 0 || best > i)) {
1623 krb5_free_keytab_entry_contents(context, entry);
1625 memset(new, 0, sizeof *new);
1626 } else krb5_free_keytab_entry_contents(context, new);
1628 if ((i = krb5_kt_end_seq_get(context, kt, cursor))) {
1629 afs_com_err(progname, i, "while ending keytab scan");
1634 afs_com_err(progname, code, "while scanning keytab");
1637 deref_keyblock_enctype(session_key) = deref_entry_enctype(entry);
1643 if ((code = krb5_generate_random_keyblock(context,
1644 deref_keyblock_enctype(session_key), session_key))) {
1645 afs_com_err(progname, code, "while making session key");
1648 enc_tkt_reply->flags.initial = 1;
1649 enc_tkt_reply->transited.tr_type = DOMAIN_X500_COMPRESS;
1650 enc_tkt_reply->cname = client_principal->name;
1651 enc_tkt_reply->crealm = client_principal->realm;
1652 enc_tkt_reply->key = *session_key;
1654 static krb5_data empty_string;
1655 enc_tkt_reply->transited.contents = empty_string;
1657 enc_tkt_reply->authtime = starttime;
1658 enc_tkt_reply->starttime = temp_time;
1659 *enc_tkt_reply->starttime = starttime;
1661 enc_tkt_reply->renew_till = temp_time + 1;
1662 *enc_tkt_reply->renew_till = endtime;
1664 enc_tkt_reply->endtime = endtime;
1666 if ((code = krb5_c_make_random_key(context,
1667 deref_keyblock_enctype(session_key), session_key))) {
1668 afs_com_err(progname, code, "while making session key");
1671 enc_tkt_reply->magic = KV5M_ENC_TKT_PART;
1672 #define DATACAST (unsigned char *)
1673 enc_tkt_reply->flags |= TKT_FLG_INITIAL;
1674 enc_tkt_reply->transited.tr_type = KRB5_DOMAIN_X500_COMPRESS;
1675 enc_tkt_reply->session = session_key;
1676 enc_tkt_reply->client = client_principal;
1678 static krb5_data empty_string;
1679 enc_tkt_reply->transited.tr_contents = empty_string;
1681 enc_tkt_reply->times.authtime = starttime;
1682 enc_tkt_reply->times.starttime = starttime; /* krb524init needs this */
1683 enc_tkt_reply->times.endtime = endtime;
1684 #endif /* USING_HEIMDAL */
1685 /* NB: We will discard address for now--ignoring caddr field
1686 in any case. MIT branch does what it always did. */
1688 if (paddress && *paddress) {
1689 deref_enc_tkt_addrs(enc_tkt_reply) = faddr;
1692 faddr->val = address;
1694 for (i = 0; paddress[i]; ++i) {
1696 address[i].addr_type = KRB5_ADDRESS_INET;
1697 address[i].address.data = (void*)(paddress+i);
1698 address[i].address.length = sizeof(paddress[i]);
1701 address[i].magic = KV5M_ADDRESS;
1702 address[i].addrtype = ADDRTYPE_INET;
1704 address[i].addrtype = AF_INET;
1706 address[i].contents = (void*)(paddress+i);
1707 address[i].length = sizeof(int);
1708 faddr[i] = address+i;
1719 ticket_reply->sname = service_principal->name;
1720 ticket_reply->realm = service_principal->realm;
1722 { /* crypto block */
1723 krb5_crypto crypto = 0;
1724 unsigned char *buf = 0;
1725 size_t buf_size, buf_len;
1728 ASN1_MALLOC_ENCODE(EncTicketPart, buf, buf_size,
1729 enc_tkt_reply, &buf_len, code);
1731 afs_com_err(progname, code, "while encoding ticket");
1735 if(buf_len != buf_size) {
1736 afs_com_err(progname, code,
1737 "%d != %d while encoding ticket (internal ASN.1 encoder error",
1741 what = "krb5_crypto_init";
1742 code = krb5_crypto_init(context,
1743 &deref_entry_keyblock(entry),
1744 deref_entry_enctype(entry),
1747 what = "krb5_encrypt";
1748 code = krb5_encrypt_EncryptedData(context, crypto, KRB5_KU_TICKET,
1749 buf, buf_len, entry->vno, &(ticket_reply->enc_part));
1752 if (crypto) krb5_crypto_destroy(context, crypto);
1754 afs_com_err(progname, code, "while %s", what);
1757 } /* crypto block */
1758 ticket_reply->enc_part.etype = deref_entry_enctype(entry);
1759 ticket_reply->enc_part.kvno = temp_vno;
1760 *ticket_reply->enc_part.kvno = entry->vno;
1761 ticket_reply->tkt_vno = 5;
1763 ticket_reply->server = service_principal;
1764 ticket_reply->enc_part2 = enc_tkt_reply;
1765 if ((code = krb5_encrypt_tkt_part(context, &deref_entry_keyblock(entry), ticket_reply))) {
1766 afs_com_err(progname, code, "while making ticket");
1769 ticket_reply->enc_part.kvno = entry->vno;
1772 /* Construct Creds */
1774 if ((code = krb5_copy_principal(context, service_principal,
1776 afs_com_err(progname, code, "while copying service principal");
1779 if ((code = krb5_copy_principal(context, client_principal,
1781 afs_com_err(progname, code, "while copying client principal");
1784 if ((code = krb5_copy_keyblock_contents(context, session_key,
1785 &deref_session_key(creds)))) {
1786 afs_com_err(progname, code, "while copying session key");
1791 creds->times.authtime = enc_tkt_reply->authtime;
1792 creds->times.starttime = *(enc_tkt_reply->starttime);
1793 creds->times.endtime = enc_tkt_reply->endtime;
1794 creds->times.renew_till = 0; /* *(enc_tkt_reply->renew_till) */
1795 creds->flags.b = enc_tkt_reply->flags;
1797 creds->times = enc_tkt_reply->times;
1798 creds->ticket_flags = enc_tkt_reply->flags;
1800 if (!deref_enc_tkt_addrs(enc_tkt_reply))
1802 else if ((code = krb5_copy_addresses(context,
1803 deref_enc_tkt_addrs(enc_tkt_reply), &creds->addresses))) {
1804 afs_com_err(progname, code, "while copying addresses");
1810 size_t creds_tkt_len;
1811 ASN1_MALLOC_ENCODE(Ticket, creds->ticket.data, creds->ticket.length,
1812 ticket_reply, &creds_tkt_len, code);
1814 afs_com_err(progname, code, "while encoding ticket");
1819 if ((code = encode_krb5_ticket(ticket_reply, &temp))) {
1820 afs_com_err(progname, code, "while encoding ticket");
1823 creds->ticket = *temp;
1830 if (deref_enc_data(&ticket_reply->enc_part))
1831 free(deref_enc_data(&ticket_reply->enc_part));
1832 krb5_free_keytab_entry_contents(context, entry);
1833 if (client_principal)
1834 krb5_free_principal(context, client_principal);
1835 if (service_principal)
1836 krb5_free_principal(context, service_principal);
1838 krb5_cc_close(context, cc);
1840 krb5_kt_close(context, kt);
1841 if (creds) krb5_free_creds(context, creds);
1842 krb5_free_keyblock_contents(context, session_key);
1851 static krb5_error_code get_credv5(krb5_context context,
1852 char *name, char *inst, char *realm,
1857 static krb5_principal client_principal = 0;
1860 printf("Getting tickets: %s%s%s@%s\n", name, (inst && inst[0])
1861 ? "/" : "", inst ? inst : "", realm);
1864 memset((char *)&increds, 0, sizeof(increds));
1865 /* ANL - instance may be ptr to a null string. Pass null then */
1866 if ((r = krb5_build_principal(context, &increds.server,
1867 strlen(realm), realm,
1869 (inst && strlen(inst)) ? inst : (void *) NULL,
1875 if (!_krb425_ccache) {
1876 r = krb5_cc_default(context, &_krb425_ccache);
1880 if (!client_principal) {
1882 r = krb5_parse_name(context, client, &client_principal);
1884 r = krb5_cc_get_principal(context, _krb425_ccache, &client_principal);
1890 increds.client = client_principal;
1891 increds.times.endtime = 0;
1892 /* Ask for DES since that is what V4 understands */
1893 get_creds_enctype((&increds)) = ENCTYPE_DES_CBC_CRC;
1896 int allowed_enctypes[] = {
1897 ENCTYPE_DES_CBC_CRC, 0
1900 r = get_credv5_akimpersonate(context,
1909 r = krb5_get_credentials(context, 0, _krb425_ccache, &increds, creds);
1915 static int get_user_realm(krb5_context context, char *realm)
1917 static krb5_principal client_principal = 0;
1919 krb5_error_code r = 0;
1921 if (!_krb425_ccache)
1922 krb5_cc_default(context, &_krb425_ccache);
1923 if (!client_principal) {
1925 r = krb5_parse_name(context, client, &client_principal);
1927 r = krb5_cc_get_principal(context, _krb425_ccache, &client_principal);
1933 i = realm_len(context, client_principal);
1934 if (i > REALM_SZ-1) i = REALM_SZ-1;
1935 strncpy(realm,realm_data(context, client_principal), i);