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8 * Copyright (c) 2005, 2006
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37 #include <afsconfig.h>
44 #include <sys/types.h>
59 #include <sys/param.h>
60 #include <sys/errno.h>
62 #include <sys/socket.h>
63 #include <netinet/in.h>
64 #include <arpa/inet.h>
70 #ifndef HAVE_KERBEROSV_HEIM_ERR_H
71 #include <afs/com_err.h>
74 #include <afs/param.h>
76 #include <sys/ioccom.h>
79 #include <afs/cellconfig.h>
81 #include <afs/venus.h>
82 #include <afs/ptserver.h>
83 #include <afs/ptuser.h>
84 #include <afs/dirpath.h>
87 #include "linked_list.h"
89 #ifdef HAVE_KRB5_CREDS_KEYBLOCK
92 #ifdef HAVE_KRB5_CREDS_SESSION
93 #define USING_HEIMDAL 1
99 #ifndef AFS_TRY_FULL_PRINC
100 #define AFS_TRY_FULL_PRINC 1
101 #endif /* AFS_TRY_FULL_PRINC */
103 #define AKLOG_TRYAGAIN -1
104 #define AKLOG_SUCCESS 0
105 #define AKLOG_USAGE 1
106 #define AKLOG_SOMETHINGSWRONG 2
108 #define AKLOG_KERBEROS 4
109 #define AKLOG_TOKEN 5
110 #define AKLOG_BADPATH 6
126 /* RedHat 4.x doesn't seem to define this */
127 #define MAXSYMLINKS 5
130 #define DIR '/' /* Character that divides directories */
131 #define DIRSTRING "/" /* String form of above */
132 #define VOLMARKER ':' /* Character separating cellname from mntpt */
133 #define VOLMARKERSTRING ":" /* String form of above */
137 char realm[REALM_SZ];
140 struct afsconf_cell ak_cellconfig; /* General information about the cell */
141 static char linkedcell[MAXCELLCHARS+1];
142 static char linkedcell2[MAXCELLCHARS+1];
143 static krb5_ccache _krb425_ccache = NULL;
146 * Why doesn't AFS provide these prototypes?
149 extern int pioctl(char *, afs_int32, struct ViceIoctl *, afs_int32);
155 extern char *afs_realm_of_cell(krb5_context, struct afsconf_cell *, int);
156 static int isdir(char *, unsigned char *);
157 static krb5_error_code get_credv5(krb5_context context, char *, char *,
158 char *, krb5_creds **);
159 static int get_user_realm(krb5_context, char *);
161 #define TRYAGAIN(x) (x == AKLOG_TRYAGAIN || \
162 x == KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN || \
163 x == KRB5KRB_ERR_GENERIC)
165 #if defined(HAVE_KRB5_PRINC_SIZE) || defined(krb5_princ_size)
167 #define get_princ_str(c, p, n) krb5_princ_component(c, p, n)->data
168 #define get_princ_len(c, p, n) krb5_princ_component(c, p, n)->length
169 #define second_comp(c, p) (krb5_princ_size(c, p) > 1)
170 #define realm_data(c, p) krb5_princ_realm(c, p)->data
171 #define realm_len(c, p) krb5_princ_realm(c, p)->length
173 #elif defined(HAVE_KRB5_PRINCIPAL_GET_COMP_STRING)
175 #define get_princ_str(c, p, n) krb5_principal_get_comp_string(c, p, n)
176 #define get_princ_len(c, p, n) strlen(krb5_principal_get_comp_string(c, p, n))
177 #define second_comp(c, p) (krb5_principal_get_comp_string(c, p, 1) != NULL)
178 #define realm_data(c, p) krb5_realm_data(krb5_principal_get_realm(c, p))
179 #define realm_len(c, p) krb5_realm_length(krb5_principal_get_realm(c, p))
182 #error "Must have either krb5_princ_size or krb5_principal_get_comp_string"
185 #if !defined(HAVE_KRB5_ENCRYPT_TKT_PART) && defined(HAVE_ENCODE_KRB5_ENC_TKT_PART) && defined(HAVE_KRB5_C_ENCRYPT)
187 krb5_encrypt_tkt_part(krb5_context context,
188 const krb5_keyblock *key,
195 if ((code = encode_krb5_enc_tkt_part(ticket->enc_part2, &data)))
197 if ((code = krb5_c_encrypt_length(context, key->enctype,
198 data->length, &enclen)))
200 ticket->enc_part.ciphertext.length = enclen;
201 if (!(ticket->enc_part.ciphertext.data = malloc(enclen))) {
205 if ((code = krb5_c_encrypt(context, key, KRB5_KEYUSAGE_KDC_REP_TICKET,
206 0, data, &ticket->enc_part))) {
207 free(ticket->enc_part.ciphertext.data);
208 ticket->enc_part.ciphertext.data = 0;
220 #if defined(HAVE_KRB5_CREDS_KEYBLOCK)
222 #define get_cred_keydata(c) c->keyblock.contents
223 #define get_cred_keylen(c) c->keyblock.length
224 #define get_creds_enctype(c) c->keyblock.enctype
226 #elif defined(HAVE_KRB5_CREDS_SESSION)
228 #define get_cred_keydata(c) c->session.keyvalue.data
229 #define get_cred_keylen(c) c->session.keyvalue.length
230 #define get_creds_enctype(c) c->session.keytype
233 #error "Must have either keyblock or session member of krb5_creds"
236 #if !defined(HAVE_KRB5_524_CONVERT_CREDS) && defined(HAVE_KRB524_CONVERT_CREDS_KDC)
237 #define krb5_524_convert_creds krb524_convert_creds_kdc
238 #elif !defined(HAVE_KRB5_524_CONVERT_CREDS) && !defined(HAVE_KRB524_CONVERT_CREDS_KDC)
239 #define HAVE_NO_KRB5_524
243 #define deref_keyblock_enctype(kb) \
246 #define deref_entry_keyblock(entry) \
249 #define deref_session_key(creds) \
252 #define deref_enc_tkt_addrs(tkt) \
255 #define deref_enc_length(enc) \
256 ((enc)->cipher.length)
258 #define deref_enc_data(enc) \
261 #define krb5_free_keytab_entry_contents krb5_kt_free_entry
264 #define deref_keyblock_enctype(kb) \
267 #define deref_entry_keyblock(entry) \
270 #define deref_session_key(creds) \
273 #define deref_enc_tkt_addrs(tkt) \
276 #define deref_enc_length(enc) \
277 ((enc)->ciphertext.length)
279 #define deref_enc_data(enc) \
280 ((enc)->ciphertext.data)
284 #define deref_entry_enctype(entry) \
285 deref_keyblock_enctype(&deref_entry_keyblock(entry))
288 * Provide a replacement for strerror if we don't have it
291 #ifndef HAVE_STRERROR
292 extern char *sys_errlist[];
293 #define strerror(x) sys_errlist[x]
294 #endif /* HAVE_STRERROR */
296 static char *progname = NULL; /* Name of this program */
297 static int dflag = FALSE; /* Give debugging information */
298 static int noauth = FALSE; /* If true, don't try to get tokens */
299 static int zsubs = FALSE; /* Are we keeping track of zephyr subs? */
300 static int hosts = FALSE; /* Are we keeping track of hosts? */
301 static int noprdb = FALSE; /* Skip resolving name to id? */
302 static int linked = FALSE; /* try for both AFS nodes */
303 static int afssetpag = FALSE; /* setpag for AFS */
304 static int force = FALSE; /* Bash identical tokens? */
305 static int do524 = FALSE; /* Should we do 524 instead of rxkad2b? */
306 static char *keytab = NULL; /* keytab for akimpersonate */
307 static char *client = NULL; /* client principal for akimpersonate */
308 static linked_list zsublist; /* List of zephyr subscriptions */
309 static linked_list hostlist; /* List of host addresses */
310 static linked_list authedcells; /* List of cells already logged to */
312 /* ANL - CMU lifetime convert routine */
313 /* for K5.4.1 don't use this for now. Need to see if it is needed */
314 /* maybe needed in the krb524d module as well */
315 /* extern unsigned long krb_life_to_time(); */
317 static char *copy_cellinfo(cellinfo_t *cellinfo)
319 cellinfo_t *new_cellinfo;
321 if ((new_cellinfo = (cellinfo_t *)malloc(sizeof(cellinfo_t))))
322 memcpy(new_cellinfo, cellinfo, sizeof(cellinfo_t));
324 return ((char *)new_cellinfo);
328 static int get_cellconfig(char *cell, struct afsconf_cell *cellconfig, char *local_cell, char *linkedcell)
330 int status = AKLOG_SUCCESS;
331 struct afsconf_dir *configdir;
333 memset(local_cell, 0, sizeof(local_cell));
334 memset((char *)cellconfig, 0, sizeof(*cellconfig));
336 if (!(configdir = afsconf_Open(AFSDIR_CLIENT_ETC_DIRPATH))) {
338 "%s: can't get afs configuration (afsconf_Open(%s))\n",
339 progname, AFSDIR_CLIENT_ETC_DIRPATH);
343 if (afsconf_GetLocalCell(configdir, local_cell, MAXCELLCHARS)) {
344 fprintf(stderr, "%s: can't determine local cell.\n", progname);
348 if ((cell == NULL) || (cell[0] == 0))
351 linkedcell[0] = '\0';
352 if (afsconf_GetCellInfo(configdir, cell, NULL, cellconfig)) {
353 fprintf(stderr, "%s: Can't get information about cell %s.\n",
357 if (cellconfig->linkedCell)
358 strncpy(linkedcell,cellconfig->linkedCell,MAXCELLCHARS);
360 (void) afsconf_Close(configdir);
366 * Log to a cell. If the cell has already been logged to, return without
367 * doing anything. Otherwise, log to it and mark that it has been logged
370 static int auth_to_cell(krb5_context context, char *cell, char *realm)
372 int status = AKLOG_SUCCESS;
373 char username[BUFSIZ]; /* To hold client username structure */
374 afs_int32 viceId; /* AFS uid of user */
376 char realm_of_user[REALM_SZ]; /* Kerberos realm of user */
377 char *realm_from_princ = 0 ; /* Calculated realm data */
378 char *realm_of_cell = 0; /* Pointer to realm we're using */
379 int retry; /* round, and round we go ... */
381 char local_cell[MAXCELLCHARS+1];
382 char cell_to_use[MAXCELLCHARS+1]; /* Cell to authenticate to */
383 static char lastcell[MAXCELLCHARS+1] = { 0 };
384 static char confname[512] = { 0 };
385 krb5_creds *v5cred = NULL;
386 struct ktc_principal aserver;
387 struct ktc_principal aclient;
388 struct ktc_token atoken, btoken;
390 memset(realm_of_user, 0, sizeof(realm_of_user));
392 if (confname[0] == '\0') {
393 strncpy(confname, AFSDIR_CLIENT_ETC_DIRPATH, sizeof(confname));
394 confname[sizeof(confname) - 2] = '\0';
397 /* NULL or empty cell returns information on local cell */
398 if ((status = get_cellconfig(cell, &ak_cellconfig,
399 local_cell, linkedcell)))
402 strncpy(cell_to_use, ak_cellconfig.name, MAXCELLCHARS);
403 cell_to_use[MAXCELLCHARS] = 0;
405 if (ll_string(&authedcells, ll_s_check, cell_to_use)) {
407 printf("Already authenticated to %s (or tried to)\n",
410 return(AKLOG_SUCCESS);
414 * Record that we have attempted to log to this cell. We do this
415 * before we try rather than after so that we will not try
416 * and fail repeatedly for one cell.
418 (void)ll_string(&authedcells, ll_s_add, cell_to_use);
421 * Record this cell in the list of zephyr subscriptions. We may
422 * want zephyr subscriptions even if authentication fails.
423 * If this is done after we attempt to get tokens, aklog -zsubs
424 * can return something different depending on whether or not we
425 * are in -noauth mode.
427 if (ll_string(&zsublist, ll_s_add, cell_to_use) == LL_FAILURE) {
429 "%s: failure adding cell %s to zephyr subscriptions list.\n",
430 progname, cell_to_use);
433 if (ll_string(&zsublist, ll_s_add, local_cell) == LL_FAILURE) {
435 "%s: failure adding cell %s to zephyr subscriptions list.\n",
436 progname, local_cell);
442 printf("Authenticating to cell %s (server %s).\n",
443 cell_to_use, ak_cellconfig.hostName[0]);
446 if ((status = get_user_realm(context, realm_of_user))) {
447 fprintf(stderr, "%s: Couldn't determine realm of user:)",
449 afs_com_err(progname, status, " while getting realm");
450 return(AKLOG_KERBEROS);
457 /* Cell on command line - use that one */
458 if (realm && realm[0]) {
459 realm_of_cell = realm;
460 status = AKLOG_TRYAGAIN;
462 printf("We were told to authenticate to realm %s.\n",
466 /* Initially, try using afs/cell@USERREALM */
468 printf("Trying to authenticate to user's realm %s.\n",
472 realm_of_cell = realm_of_user;
473 status = get_credv5(context, AFSKEY, cell_to_use,
474 realm_of_cell, &v5cred);
476 /* If that failed, try to determine the realm from the name of
477 * one of the DB servers */
478 if (TRYAGAIN(status)) {
479 realm_of_cell = afs_realm_of_cell(context, &ak_cellconfig,
481 if (!realm_of_cell) {
483 "%s: Couldn't figure out realm for cell %s.\n",
484 progname, cell_to_use);
489 if (realm_of_cell[0])
490 printf("We've deduced that we need to authenticate"
491 " to realm %s.\n", realm_of_cell);
493 printf("We've deduced that we need to authenticate "
494 "using referrals.\n");
499 if (TRYAGAIN(status)) {
500 /* If we've got the full-princ-first option, or we're in a
501 * different realm from the cell - use the cell name as the
503 if (AFS_TRY_FULL_PRINC ||
504 strcasecmp(cell_to_use, realm_of_cell)!=0) {
505 status = get_credv5(context, AFSKEY, cell_to_use,
506 realm_of_cell, &v5cred);
508 /* If we failed & we've got an empty realm, then try
509 * calling afs_realm_for_cell again. */
510 if (TRYAGAIN(status) && !realm_of_cell[0]) {
511 /* This time, get the realm by taking the domain
512 * component of the db server and make it upper case */
513 realm_of_cell = afs_realm_of_cell(context,
514 &ak_cellconfig, TRUE);
515 if (!realm_of_cell) {
517 "%s: Couldn't figure out realm for cell "
518 "%s.\n", progname, cell_to_use);
521 printf("We've deduced that we need to authenticate to"
522 " realm %s.\n", realm_of_cell);
524 status = get_credv5(context, AFSKEY, cell_to_use,
525 realm_of_cell, &v5cred);
528 /* If the realm and cell name match, then try without an
529 * instance, but only if realm is non-empty */
531 if (TRYAGAIN(status) &&
532 strcasecmp(cell_to_use, realm_of_cell) == 0) {
533 status = get_credv5(context, AFSKEY, NULL,
534 realm_of_cell, &v5cred);
535 if (!AFS_TRY_FULL_PRINC && TRYAGAIN(status)) {
536 status = get_credv5(context, AFSKEY, cell_to_use,
537 realm_of_cell, &v5cred);
542 /* Try to find a service principal for this cell.
543 * Some broken MIT libraries return KRB5KRB_AP_ERR_MSG_TYPE upon
544 * the first attempt, so we try twice to be sure */
546 if (status == KRB5KRB_AP_ERR_MSG_TYPE && retry == 1)
554 printf("Kerberos error code returned by get_cred : %d\n",
557 fprintf(stderr, "%s: Couldn't get %s AFS tickets:\n",
558 progname, cell_to_use);
559 afs_com_err(progname, status, "while getting AFS tickets");
560 return(AKLOG_KERBEROS);
563 /* If we've got a valid ticket, and we still don't know the realm name
564 * try to figure it out from the contents of the ticket
566 #if !defined(USING_HEIMDAL) && defined(HAVE_KRB5_DECODE_TICKET)
567 if (strcmp(realm_of_cell, "") == 0) {
568 krb5_error_code code;
571 code = krb5_decode_ticket(&v5cred->ticket, &ticket);
575 "%s: Couldn't decode ticket to determine realm for "
577 progname, cell_to_use);
579 int len = realm_len(context, ticket->server);
580 /* This really shouldn't happen. */
581 if (len > REALM_SZ-1)
584 realm_from_princ = (char *) malloc(sizeof(char) * (len+1));
586 strncpy(realm_from_princ, realm_data(context, ticket->server),
588 realm_from_princ[len] = 0;
589 realm_of_cell = realm_from_princ;
591 krb5_free_ticket(context, ticket);
596 strncpy(aserver.name, AFSKEY, MAXKTCNAMELEN - 1);
597 strncpy(aserver.instance, AFSINST, MAXKTCNAMELEN - 1);
598 strncpy(aserver.cell, cell_to_use, MAXKTCREALMLEN - 1);
601 * The default is to use rxkad2b, which means we put in a full
602 * V5 ticket. If the user specifies -524, we talk to the
603 * 524 ticket converter.
611 printf("Using Kerberos V5 ticket natively\n");
613 len = min(get_princ_len(context, v5cred->client, 0),
614 second_comp(context, v5cred->client) ?
615 MAXKTCNAMELEN - 2 : MAXKTCNAMELEN - 1);
616 strncpy(username, get_princ_str(context, v5cred->client, 0), len);
617 username[len] = '\0';
619 if (second_comp(context, v5cred->client)) {
620 strcat(username, ".");
621 p = username + strlen(username);
622 len = min(get_princ_len(context, v5cred->client, 1),
623 MAXKTCNAMELEN - strlen(username) - 1);
624 strncpy(p, get_princ_str(context, v5cred->client, 1), len);
628 memset(&atoken, 0, sizeof(atoken));
629 atoken.kvno = RXKAD_TKT_TYPE_KERBEROS_V5;
630 atoken.startTime = v5cred->times.starttime;;
631 atoken.endTime = v5cred->times.endtime;
632 memcpy(&atoken.sessionKey, get_cred_keydata(v5cred),
633 get_cred_keylen(v5cred));
634 atoken.ticketLen = v5cred->ticket.length;
635 memcpy(atoken.ticket, v5cred->ticket.data, atoken.ticketLen);
636 #ifndef HAVE_NO_KRB5_524
641 printf("Using Kerberos 524 translator service\n");
643 status = krb5_524_convert_creds(context, v5cred, &cred);
646 afs_com_err(progname, status, "while converting tickets "
647 "to Kerberos V4 format");
648 return(AKLOG_KERBEROS);
651 strcpy (username, cred.pname);
653 strcat (username, ".");
654 strcat (username, cred.pinst);
657 atoken.kvno = cred.kvno;
658 atoken.startTime = cred.issue_date;
660 * It seems silly to go through a bunch of contortions to
661 * extract the expiration time, when the v5 credentials already
662 * has the exact time! Let's use that instead.
664 * Note that this isn't a security hole, as the expiration time
665 * is also contained in the encrypted token
667 atoken.endTime = v5cred->times.endtime;
668 memcpy(&atoken.sessionKey, cred.session, 8);
669 atoken.ticketLen = cred.ticket_st.length;
670 memcpy(atoken.ticket, cred.ticket_st.dat, atoken.ticketLen);
671 #endif /* HAVE_NO_KRB5_524 */
675 !ktc_GetToken(&aserver, &btoken, sizeof(btoken), &aclient) &&
676 atoken.kvno == btoken.kvno &&
677 atoken.ticketLen == btoken.ticketLen &&
678 !memcmp(&atoken.sessionKey, &btoken.sessionKey, sizeof(atoken.sessionKey)) &&
679 !memcmp(atoken.ticket, btoken.ticket, atoken.ticketLen)) {
682 printf("Identical tokens already exist; skipping.\n");
693 printf("Not resolving name %s to id (-noprdb set)\n",
698 if (strcmp(realm_of_user, realm_of_cell)) {
699 strcat(username, "@");
700 strcat(username, realm_of_user);
704 printf("About to resolve name %s to id in cell %s.\n",
705 username, aserver.cell);
708 strcpy(lastcell, aserver.cell);
710 if (!pr_Initialize (0, confname, aserver.cell))
711 status = pr_SNameToId (username, &viceId);
715 printf("Error %d\n", status);
717 printf("Id %d\n", (int) viceId);
721 * This is a crock, but it is Transarc's crock, so
722 * we have to play along in order to get the
723 * functionality. The way the afs id is stored is
724 * as a string in the username field of the token.
725 * Contrary to what you may think by looking at
726 * the code for tokens, this hack (AFS ID %d) will
727 * not work if you change %d to something else.
731 * This code is taken from cklog -- it lets people
732 * automatically register with the ptserver in foreign cells
735 #ifdef ALLOW_REGISTER
736 if ((status == 0) && (viceId == ANONYMOUSID) &&
737 (strcmp(realm_of_user, realm_of_cell) != 0)) {
739 printf("doing first-time registration of %s "
740 "at %s\n", username, cell_to_use);
743 strncpy(aclient.name, username, MAXKTCNAMELEN - 1);
744 strcpy(aclient.instance, "");
745 strncpy(aclient.cell, realm_of_user, MAXKTCREALMLEN - 1);
746 if ((status = ktc_SetToken(&aserver, &atoken, &aclient, 0))) {
747 fprintf(stderr, "%s: unable to obtain tokens for cell %s "
748 "(status: %d).\n", progname, cell_to_use, status);
749 status = AKLOG_TOKEN;
753 * In case you're wondering, we don't need to change the
754 * filename here because we're still connecting to the
755 * same cell -- we're just using a different authentication
759 if ((status = pr_Initialize(1L, confname, aserver.cell))) {
760 printf("Error %d\n", status);
763 if ((status = pr_CreateUser(username, &viceId))) {
764 fprintf(stderr, "%s: %s so unable to create remote PTS "
765 "user %s in cell %s (status: %d).\n", progname,
766 afs_error_message(status), username, cell_to_use,
768 viceId = ANONYMOUSID;
770 printf("created cross-cell entry for %s (Id %d) at %s\n",
771 username, viceId, cell_to_use);
774 #endif /* ALLOW_REGISTER */
776 if ((status == 0) && (viceId != ANONYMOUSID)) {
777 sprintf(username, "AFS ID %d", (int) viceId);
782 fprintf(stdout, "Set username to %s\n", username);
785 /* Reset the "aclient" structure before we call ktc_SetToken.
786 * This structure was first set by the ktc_GetToken call when
787 * we were comparing whether identical tokens already existed.
789 strncpy(aclient.name, username, MAXKTCNAMELEN - 1);
790 strcpy(aclient.instance, "");
791 strncpy(aclient.cell, realm_of_user, MAXKTCREALMLEN - 1);
794 printf("Setting tokens. %s / %s @ %s \n",
795 aclient.name, aclient.instance, aclient.cell );
797 #ifndef AFS_AIX51_ENV
798 /* on AIX 4.1.4 with AFS 3.4a+ if a write is not done before
799 * this routine, it will not add the token. It is not clear what
800 * is going on here! So we will do the following operation.
801 * On AIX 5, it causes the parent program to die, so we won't.
803 write(2,"",0); /* dummy write */
805 if ((status = ktc_SetToken(&aserver, &atoken, &aclient, afssetpag))) {
807 "%s: unable to obtain tokens for cell %s (status: %d).\n",
808 progname, cell_to_use, status);
809 status = AKLOG_TOKEN;
814 printf("Noauth mode; not authenticating.\n");
820 static int get_afs_mountpoint(char *file, char *mountpoint, int size)
823 char V ='V'; /* AFS has problem on Sun with pioctl */
825 char our_file[MAXPATHLEN + 1];
827 char *last_component;
828 struct ViceIoctl vio;
829 char cellname[BUFSIZ];
831 memset(our_file, 0, sizeof(our_file));
832 strcpy(our_file, file);
834 if ((last_component = strrchr(our_file, DIR))) {
835 *last_component++ = 0;
836 parent_dir = our_file;
839 last_component = our_file;
843 memset(cellname, 0, sizeof(cellname));
845 vio.in = last_component;
846 vio.in_size = strlen(last_component)+1;
848 vio.out = mountpoint;
850 if (!pioctl(parent_dir, VIOC_AFS_STAT_MT_PT, &vio, 0)) {
851 if (strchr(mountpoint, VOLMARKER) == NULL) {
853 vio.in_size = strlen(file) + 1;
854 vio.out_size = sizeof(cellname);
857 if (!pioctl(file, VIOC_FILE_CELL_NAME, &vio, 1)) {
858 strcat(cellname, VOLMARKERSTRING);
859 strcat(cellname, mountpoint + 1);
860 memset(mountpoint + 1, 0, size - 1);
861 strcpy(mountpoint + 1, cellname);
871 * This routine each time it is called returns the next directory
872 * down a pathname. It resolves all symbolic links. The first time
873 * it is called, it should be called with the name of the path
874 * to be descended. After that, it should be called with the arguemnt
877 static char *next_path(char *origpath)
879 static char path[MAXPATHLEN + 1];
880 static char pathtocheck[MAXPATHLEN + 1];
882 int link = FALSE; /* Is this a symbolic link? */
883 char linkbuf[MAXPATHLEN + 1];
884 char tmpbuf[MAXPATHLEN + 1];
886 static char *last_comp; /* last component of directory name */
887 static char *elast_comp; /* End of last component */
891 static int symlinkcount = 0; /* We can't exceed MAXSYMLINKS */
893 /* If we are given something for origpath, we are initializing only. */
895 memset(path, 0, sizeof(path));
896 memset(pathtocheck, 0, sizeof(pathtocheck));
897 strcpy(path, origpath);
903 /* We were not given origpath; find then next path to check */
905 /* If we've gotten all the way through already, return NULL */
906 if (last_comp == NULL)
910 while (*last_comp == DIR)
911 strncat(pathtocheck, last_comp++, 1);
912 len = (elast_comp = strchr(last_comp, DIR))
913 ? elast_comp - last_comp : strlen(last_comp);
914 strncat(pathtocheck, last_comp, len);
915 memset(linkbuf, 0, sizeof(linkbuf));
916 if ((link = (readlink(pathtocheck, linkbuf,
917 sizeof(linkbuf)) > 0))) {
918 if (++symlinkcount > MAXSYMLINKS) {
919 fprintf(stderr, "%s: %s\n", progname, strerror(ELOOP));
922 memset(tmpbuf, 0, sizeof(tmpbuf));
924 strcpy(tmpbuf, elast_comp);
925 if (linkbuf[0] == DIR) {
927 * If this is a symbolic link to an absolute path,
928 * replace what we have by the absolute path.
930 memset(path, 0, strlen(path));
931 memcpy(path, linkbuf, sizeof(linkbuf));
932 strcat(path, tmpbuf);
935 memset(pathtocheck, 0, sizeof(pathtocheck));
939 * If this is a symbolic link to a relative path,
940 * replace only the last component with the link name.
942 strncpy(last_comp, linkbuf, strlen(linkbuf) + 1);
943 strcat(path, tmpbuf);
945 if ((t = strrchr(pathtocheck, DIR))) {
947 memset(t, 0, strlen(t));
950 memset(pathtocheck, 0, sizeof(pathtocheck));
954 last_comp = elast_comp;
962 /*****************************************/
966 char V = 'V'; /* AFS has problem on SunOS */
968 struct ViceIoctl vio;
973 memset(outbuf, 0, sizeof(outbuf));
975 vio.out_size = sizeof(outbuf);
976 vio.in_size = sizeof(ind);
981 fd = open("dee.tok",O_WRONLY);
982 while(!pioctl(0,VIOCGETTOK,&vio,0)) {
983 write(fd,&outbuf,sizeof(outbuf));
988 /*****************************************/
991 static void add_hosts(char *file)
994 char V = 'V'; /* AFS has problem on SunOS */
996 struct ViceIoctl vio;
1003 memset(outbuf, 0, sizeof(outbuf));
1005 vio.out_size = sizeof(outbuf);
1010 printf("Getting list of hosts for %s\n", file);
1012 /* Don't worry about errors. */
1013 if (!pioctl(file, VIOCWHEREIS, &vio, 1)) {
1014 phosts = (long *) outbuf;
1017 * Lists hosts that we care about. If ALLHOSTS is defined,
1018 * then all hosts that you ever may possible go through are
1019 * included in this list. If not, then only hosts that are
1020 * the only ones appear. That is, if a volume you must use
1021 * is replaced on only one server, that server is included.
1022 * If it is replicated on many servers, then none are included.
1023 * This is not perfect, but the result is that people don't
1024 * get subscribed to a lot of instances of FILSRV that they
1025 * probably won't need which reduces the instances of
1026 * people getting messages that don't apply to them.
1029 if (phosts[1] != '\0')
1032 for (i = 0; phosts[i]; i++) {
1034 in.s_addr = phosts[i];
1036 printf("Got host %s\n", inet_ntoa(in));
1038 ll_string(&hostlist, ll_s_add, (char *)inet_ntoa(in));
1040 if (zsubs && (hp=gethostbyaddr((char *) &phosts[i],sizeof(long),AF_INET))) {
1042 printf("Got host %s\n", hp->h_name);
1044 ll_string(&zsublist, ll_s_add, hp->h_name);
1051 * This routine descends through a path to a directory, logging to
1052 * every cell it encounters along the way.
1054 static int auth_to_path(krb5_context context, char *path)
1056 int status = AKLOG_SUCCESS;
1057 int auth_to_cell_status = AKLOG_SUCCESS;
1060 char pathtocheck[MAXPATHLEN + 1];
1061 char mountpoint[MAXPATHLEN + 1];
1070 strcpy(pathtocheck, path);
1072 if (getcwd(pathtocheck, sizeof(pathtocheck)) == NULL) {
1073 fprintf(stderr, "Unable to find current working directory:\n");
1074 fprintf(stderr, "%s\n", pathtocheck);
1075 fprintf(stderr, "Try an absolute pathname.\n");
1076 exit(AKLOG_BADPATH);
1079 strcat(pathtocheck, DIRSTRING);
1080 strcat(pathtocheck, path);
1083 next_path(pathtocheck);
1085 /* Go on to the next level down the path */
1086 while ((nextpath = next_path(NULL))) {
1087 strcpy(pathtocheck, nextpath);
1089 printf("Checking directory %s\n", pathtocheck);
1092 * If this is an afs mountpoint, determine what cell from
1093 * the mountpoint name which is of the form
1094 * #cellname:volumename or %cellname:volumename.
1096 if (get_afs_mountpoint(pathtocheck, mountpoint, sizeof(mountpoint))) {
1097 /* skip over the '#' or '%' */
1098 cell = mountpoint + 1;
1099 /* Add this (cell:volumename) to the list of zsubs */
1101 ll_string(&zsublist, ll_s_add, cell);
1103 add_hosts(pathtocheck);
1104 if ((endofcell = strchr(mountpoint, VOLMARKER))) {
1106 if ((auth_to_cell_status = auth_to_cell(context, cell, NULL))) {
1107 if (status == AKLOG_SUCCESS)
1108 status = auth_to_cell_status;
1109 else if (status != auth_to_cell_status)
1110 status = AKLOG_SOMETHINGSWRONG;
1115 if (isdir(pathtocheck, &isdirectory) < 0) {
1117 * If we've logged and still can't stat, there's
1120 fprintf(stderr, "%s: stat(%s): %s\n", progname,
1121 pathtocheck, strerror(errno));
1122 return(AKLOG_BADPATH);
1124 else if (! isdirectory) {
1125 /* Allow only directories */
1126 fprintf(stderr, "%s: %s: %s\n", progname, pathtocheck,
1128 return(AKLOG_BADPATH);
1138 /* Print usage message and exit */
1139 static void usage(void)
1141 fprintf(stderr, "\nUsage: %s %s%s%s\n", progname,
1142 "[-d] [[-cell | -c] cell [-k krb_realm]] ",
1143 "[[-p | -path] pathname]\n",
1144 " [-zsubs] [-hosts] [-noauth] [-noprdb] [-force] [-setpag] \n"
1146 #ifndef HAVE_NO_KRB5_524
1150 fprintf(stderr, " -d gives debugging information.\n");
1151 fprintf(stderr, " krb_realm is the kerberos realm of a cell.\n");
1152 fprintf(stderr, " pathname is the name of a directory to which ");
1153 fprintf(stderr, "you wish to authenticate.\n");
1154 fprintf(stderr, " -zsubs gives zephyr subscription information.\n");
1155 fprintf(stderr, " -hosts gives host address information.\n");
1156 fprintf(stderr, " -noauth does not attempt to get tokens.\n");
1157 fprintf(stderr, " -noprdb means don't try to determine AFS ID.\n");
1158 fprintf(stderr, " -force means replace identical tickets. \n");
1159 fprintf(stderr, " -linked means if AFS node is linked, try both. \n");
1160 fprintf(stderr, " -setpag set the AFS process authentication group.\n");
1161 #ifndef HAVE_NO_KRB5_524
1162 fprintf(stderr, " -524 means use the 524 converter instead of V5 directly\n");
1164 fprintf(stderr, " No commandline arguments means ");
1165 fprintf(stderr, "authenticate to the local cell.\n");
1166 fprintf(stderr, "\n");
1170 void aklog(int argc, char *argv[])
1172 krb5_context context;
1173 int status = AKLOG_SUCCESS;
1175 int somethingswrong = FALSE;
1177 cellinfo_t cellinfo;
1179 extern char *progname; /* Name of this program */
1181 extern int dflag; /* Debug mode */
1183 int cmode = FALSE; /* Cellname mode */
1184 int pmode = FALSE; /* Path name mode */
1186 char realm[REALM_SZ]; /* Kerberos realm of afs server */
1187 char cell[BUFSIZ]; /* Cell to which we are authenticating */
1188 char path[MAXPATHLEN + 1]; /* Path length for path mode */
1190 linked_list cells; /* List of cells to log to */
1191 linked_list paths; /* List of paths to log to */
1194 memset(&cellinfo, 0, sizeof(cellinfo));
1196 memset(realm, 0, sizeof(realm));
1197 memset(cell, 0, sizeof(cell));
1198 memset(path, 0, sizeof(path));
1206 /* Store the program name here for error messages */
1207 if ((progname = strrchr(argv[0], DIR)))
1212 krb5_init_context(&context);
1213 initialize_ktc_error_table ();
1215 /* Initialize list of cells to which we have authenticated */
1216 (void)ll_init(&authedcells);
1218 /* Parse commandline arguments and make list of what to do. */
1219 for (i = 1; i < argc; i++) {
1220 if (strcmp(argv[i], "-d") == 0)
1222 else if (strcmp(argv[i], "-noauth") == 0)
1224 else if (strcmp(argv[i], "-zsubs") == 0)
1226 else if (strcmp(argv[i], "-hosts") == 0)
1228 else if (strcmp(argv[i], "-noprdb") == 0)
1230 else if (strcmp(argv[i], "-linked") == 0)
1232 else if (strcmp(argv[i], "-force") == 0)
1234 #ifndef HAVE_NO_KRB5_524
1235 else if (strcmp(argv[i], "-524") == 0)
1238 else if (strcmp(argv[i], "-setpag") == 0)
1240 else if (((strcmp(argv[i], "-cell") == 0) ||
1241 (strcmp(argv[i], "-c") == 0)) && !pmode)
1244 strcpy(cell, argv[i]);
1248 else if ((strcmp(argv[i], "-keytab") == 0))
1254 else if ((strcmp(argv[i], "-principal") == 0))
1260 else if (((strcmp(argv[i], "-path") == 0) ||
1261 (strcmp(argv[i], "-p") == 0)) && !cmode)
1264 strcpy(path, argv[i]);
1269 else if (argv[i][0] == '-')
1271 else if (!pmode && !cmode) {
1272 if (strchr(argv[i], DIR) || (strcmp(argv[i], ".") == 0) ||
1273 (strcmp(argv[i], "..") == 0)) {
1275 strcpy(path, argv[i]);
1279 strcpy(cell, argv[i]);
1286 if (((i + 1) < argc) && (strcmp(argv[i + 1], "-k") == 0)) {
1289 strcpy(realm, argv[i]);
1293 /* Add this cell to list of cells */
1294 strcpy(cellinfo.cell, cell);
1295 strcpy(cellinfo.realm, realm);
1296 if ((cur_node = ll_add_node(&cells, ll_tail))) {
1298 if ((new_cellinfo = copy_cellinfo(&cellinfo)))
1299 ll_add_data(cur_node, new_cellinfo);
1302 "%s: failure copying cellinfo.\n", progname);
1307 fprintf(stderr, "%s: failure adding cell to cells list.\n",
1311 memset(&cellinfo, 0, sizeof(cellinfo));
1313 memset(cell, 0, sizeof(cell));
1314 memset(realm, 0, sizeof(realm));
1317 /* Add this path to list of paths */
1318 if ((cur_node = ll_add_node(&paths, ll_tail))) {
1320 if ((new_path = strdup(path)))
1321 ll_add_data(cur_node, new_path);
1323 fprintf(stderr, "%s: failure copying path name.\n",
1329 fprintf(stderr, "%s: failure adding path to paths list.\n",
1334 memset(path, 0, sizeof(path));
1339 * The code that _used_ to be here called setpag(). When you think
1340 * about this, doing this makes no sense! setpag() allocates a PAG
1341 * only for the current process, so the token installed would have
1342 * not be usable in the parent! Since ktc_SetToken() now takes a
1343 * 4th argument to control whether or not we're going to allocate
1344 * a PAG (and since when you do it _that_ way, it modifies the cred
1345 * structure of your parent)), why don't we use that instead?
1356 printf("setpag %d\n",status);
1357 j = getgroups(gidsetlen,gidset);
1358 printf("Groups(%d):",j);
1359 for (i = 0; i<j; i++) {
1360 printf("%d",gidset[i]);
1361 if((i+1)<j) printf(",");
1367 /* If nothing was given, log to the local cell. */
1368 if ((cells.nelements + paths.nelements) == 0) {
1371 status = auth_to_cell(context, NULL, NULL);
1373 /* If this cell is linked to a DCE cell, and user
1374 * requested -linked, get tokens for both
1375 * This is very usefull when the AFS cell is linked to a DFS
1376 * cell and this system does not also have DFS.
1379 if (!status && linked && linkedcell[0]) {
1380 strncpy(linkedcell2,linkedcell,MAXCELLCHARS);
1382 printf("Linked cell: %s\n", linkedcell);
1384 status = auth_to_cell(context, linkedcell2, NULL);
1388 * Local hack - if the person has a file in their home
1389 * directory called ".xlog", read that for a list of
1390 * extra cells to authenticate to
1393 if ((pwd = getpwuid(getuid())) != NULL) {
1396 char fcell[100], xlog_path[512];
1398 strcpy(xlog_path, pwd->pw_dir);
1399 strcat(xlog_path, "/.xlog");
1401 if ((stat(xlog_path, &sbuf) == 0) &&
1402 ((f = fopen(xlog_path, "r")) != NULL)) {
1405 printf("Reading %s for cells to "
1406 "authenticate to.\n", xlog_path);
1409 while (fgets(fcell, 100, f) != NULL) {
1412 fcell[strlen(fcell) - 1] = '\0';
1415 printf("Found cell %s in %s.\n",
1419 auth_status = auth_to_cell(context, fcell, NULL);
1420 if (status == AKLOG_SUCCESS)
1421 status = auth_status;
1423 status = AKLOG_SOMETHINGSWRONG;
1429 /* Log to all cells in the cells list first */
1430 for (cur_node = cells.first; cur_node; cur_node = cur_node->next) {
1431 memcpy((char *)&cellinfo, cur_node->data, sizeof(cellinfo));
1432 if ((status = auth_to_cell(context, cellinfo.cell, cellinfo.realm)))
1435 if (linked && linkedcell[0]) {
1436 strncpy(linkedcell2,linkedcell,MAXCELLCHARS);
1438 printf("Linked cell: %s\n",
1441 if ((status = auth_to_cell(context,linkedcell2,
1448 /* Then, log to all paths in the paths list */
1449 for (cur_node = paths.first; cur_node; cur_node = cur_node->next) {
1450 if ((status = auth_to_path(context, cur_node->data)))
1455 * If only one thing was logged to, we'll return the status
1456 * of the single call. Otherwise, we'll return a generic
1457 * something failed status.
1459 if (somethingswrong && ((cells.nelements + paths.nelements) > 1))
1460 status = AKLOG_SOMETHINGSWRONG;
1463 /* If we are keeping track of zephyr subscriptions, print them. */
1465 for (cur_node = zsublist.first; cur_node; cur_node = cur_node->next) {
1466 printf("zsub: %s\n", cur_node->data);
1469 /* If we are keeping track of host information, print it. */
1471 for (cur_node = hostlist.first; cur_node; cur_node = cur_node->next) {
1472 printf("host: %s\n", cur_node->data);
1478 static int isdir(char *path, unsigned char *val)
1480 struct stat statbuf;
1482 if (lstat(path, &statbuf) < 0)
1485 if ((statbuf.st_mode & S_IFMT) == S_IFDIR)
1493 static krb5_error_code get_credv5_akimpersonate(krb5_context context,
1495 krb5_principal service_principal,
1496 krb5_principal client_principal,
1499 int *allowed_enctypes,
1501 krb5_creds** out_creds /* out */ )
1503 #if defined(USING_HEIMDAL) || (defined(HAVE_ENCODE_KRB5_ENC_TKT) && defined(HAVE_ENCODE_KRB5_TICKET) && defined(HAVE_KRB5_C_ENCRYPT))
1504 krb5_error_code code;
1506 krb5_kt_cursor cursor[1];
1507 krb5_keytab_entry entry[1];
1509 krb5_creds *creds = 0;
1510 krb5_enctype enctype;
1512 krb5_keyblock session_key[1];
1514 Ticket ticket_reply[1];
1515 EncTicketPart enc_tkt_reply[1];
1516 krb5_address address[30];
1517 krb5_addresses faddr[1];
1519 time_t temp_time[2];
1521 krb5_ticket ticket_reply[1];
1522 krb5_enc_tkt_part enc_tkt_reply[1];
1523 krb5_address address[30], *faddr[30];
1527 static int any_enctype[] = {0};
1529 if (!(creds = malloc(sizeof *creds))) {
1533 if (!allowed_enctypes)
1534 allowed_enctypes = any_enctype;
1537 enctype = 0; /* AKIMPERSONATE_IGNORE_ENCTYPE */
1538 kvno = 0; /* AKIMPERSONATE_IGNORE_VNO */
1539 memset((char*)creds, 0, sizeof *creds);
1540 memset((char*)entry, 0, sizeof *entry);
1541 memset((char*)session_key, 0, sizeof *session_key);
1542 memset((char*)ticket_reply, 0, sizeof *ticket_reply);
1543 memset((char*)enc_tkt_reply, 0, sizeof *enc_tkt_reply);
1544 code = krb5_kt_resolve(context, keytab, &kt);
1547 afs_com_err(progname, code, "while resolving keytab %s", keytab);
1549 afs_com_err(progname, code, "while resolving default keytab");
1553 if (service_principal) {
1554 for (i = 0; (enctype = allowed_enctypes[i]) || !i; ++i) {
1555 code = krb5_kt_get_entry(context,
1562 if (allowed_enctypes[i])
1563 deref_keyblock_enctype(session_key) = allowed_enctypes[i];
1568 afs_com_err(progname, code,"while scanning keytab entries");
1572 krb5_keytab_entry new[1];
1574 memset(new, 0, sizeof *new);
1575 if ((code == krb5_kt_start_seq_get(context, kt, cursor))) {
1576 afs_com_err(progname, code, "while starting keytab scan");
1579 while (!(code = krb5_kt_next_entry(context, kt, new, cursor))) {
1581 allowed_enctypes[i] && allowed_enctypes[i]
1582 != deref_entry_enctype(new); ++i)
1584 if ((!i || allowed_enctypes[i]) &&
1585 (best < 0 || best > i)) {
1586 krb5_free_keytab_entry_contents(context, entry);
1588 memset(new, 0, sizeof *new);
1589 } else krb5_free_keytab_entry_contents(context, new);
1591 if ((i = krb5_kt_end_seq_get(context, kt, cursor))) {
1592 afs_com_err(progname, i, "while ending keytab scan");
1597 afs_com_err(progname, code, "while scanning keytab");
1600 deref_keyblock_enctype(session_key) = deref_entry_enctype(entry);
1606 if ((code = krb5_generate_random_keyblock(context,
1607 deref_keyblock_enctype(session_key), session_key))) {
1608 afs_com_err(progname, code, "while making session key");
1611 enc_tkt_reply->flags.initial = 1;
1612 enc_tkt_reply->transited.tr_type = DOMAIN_X500_COMPRESS;
1613 enc_tkt_reply->cname = client_principal->name;
1614 enc_tkt_reply->crealm = client_principal->realm;
1615 enc_tkt_reply->key = *session_key;
1617 static krb5_data empty_string;
1618 enc_tkt_reply->transited.contents = empty_string;
1620 enc_tkt_reply->authtime = starttime;
1621 enc_tkt_reply->starttime = temp_time;
1622 *enc_tkt_reply->starttime = starttime;
1624 enc_tkt_reply->renew_till = temp_time + 1;
1625 *enc_tkt_reply->renew_till = endtime;
1627 enc_tkt_reply->endtime = endtime;
1629 if ((code = krb5_c_make_random_key(context,
1630 deref_keyblock_enctype(session_key), session_key))) {
1631 afs_com_err(progname, code, "while making session key");
1634 enc_tkt_reply->magic = KV5M_ENC_TKT_PART;
1635 #define DATACAST (unsigned char *)
1636 enc_tkt_reply->flags |= TKT_FLG_INITIAL;
1637 enc_tkt_reply->transited.tr_type = KRB5_DOMAIN_X500_COMPRESS;
1638 enc_tkt_reply->session = session_key;
1639 enc_tkt_reply->client = client_principal;
1641 static krb5_data empty_string;
1642 enc_tkt_reply->transited.tr_contents = empty_string;
1644 enc_tkt_reply->times.authtime = starttime;
1645 enc_tkt_reply->times.starttime = starttime; /* krb524init needs this */
1646 enc_tkt_reply->times.endtime = endtime;
1647 #endif /* USING_HEIMDAL */
1648 /* NB: We will discard address for now--ignoring caddr field
1649 in any case. MIT branch does what it always did. */
1651 if (paddress && *paddress) {
1652 deref_enc_tkt_addrs(enc_tkt_reply) = faddr;
1655 faddr->val = address;
1657 for (i = 0; paddress[i]; ++i) {
1659 address[i].addr_type = KRB5_ADDRESS_INET;
1660 address[i].address.data = (void*)(paddress+i);
1661 address[i].address.length = sizeof(paddress[i]);
1664 address[i].magic = KV5M_ADDRESS;
1665 address[i].addrtype = ADDRTYPE_INET;
1667 address[i].addrtype = AF_INET;
1669 address[i].contents = (void*)(paddress+i);
1670 address[i].length = sizeof(int);
1671 faddr[i] = address+i;
1682 ticket_reply->sname = service_principal->name;
1683 ticket_reply->realm = service_principal->realm;
1685 { /* crypto block */
1686 krb5_crypto crypto = 0;
1687 unsigned char *buf = 0;
1688 size_t buf_size, buf_len;
1691 ASN1_MALLOC_ENCODE(EncTicketPart, buf, buf_size,
1692 enc_tkt_reply, &buf_len, code);
1694 afs_com_err(progname, code, "while encoding ticket");
1698 if(buf_len != buf_size) {
1699 afs_com_err(progname, code,
1700 "%d != %d while encoding ticket (internal ASN.1 encoder error",
1704 what = "krb5_crypto_init";
1705 code = krb5_crypto_init(context,
1706 &deref_entry_keyblock(entry),
1707 deref_entry_enctype(entry),
1710 what = "krb5_encrypt";
1711 code = krb5_encrypt_EncryptedData(context, crypto, KRB5_KU_TICKET,
1712 buf, buf_len, entry->vno, &(ticket_reply->enc_part));
1715 if (crypto) krb5_crypto_destroy(context, crypto);
1717 afs_com_err(progname, code, "while %s", what);
1720 } /* crypto block */
1721 ticket_reply->enc_part.etype = deref_entry_enctype(entry);
1722 ticket_reply->enc_part.kvno = temp_vno;
1723 *ticket_reply->enc_part.kvno = entry->vno;
1724 ticket_reply->tkt_vno = 5;
1726 ticket_reply->server = service_principal;
1727 ticket_reply->enc_part2 = enc_tkt_reply;
1728 if ((code = krb5_encrypt_tkt_part(context, &deref_entry_keyblock(entry), ticket_reply))) {
1729 afs_com_err(progname, code, "while making ticket");
1732 ticket_reply->enc_part.kvno = entry->vno;
1735 /* Construct Creds */
1737 if ((code = krb5_copy_principal(context, service_principal,
1739 afs_com_err(progname, code, "while copying service principal");
1742 if ((code = krb5_copy_principal(context, client_principal,
1744 afs_com_err(progname, code, "while copying client principal");
1747 if ((code = krb5_copy_keyblock_contents(context, session_key,
1748 &deref_session_key(creds)))) {
1749 afs_com_err(progname, code, "while copying session key");
1754 creds->times.authtime = enc_tkt_reply->authtime;
1755 creds->times.starttime = *(enc_tkt_reply->starttime);
1756 creds->times.endtime = enc_tkt_reply->endtime;
1757 creds->times.renew_till = 0; /* *(enc_tkt_reply->renew_till) */
1758 creds->flags.b = enc_tkt_reply->flags;
1760 creds->times = enc_tkt_reply->times;
1761 creds->ticket_flags = enc_tkt_reply->flags;
1763 if (!deref_enc_tkt_addrs(enc_tkt_reply))
1765 else if ((code = krb5_copy_addresses(context,
1766 deref_enc_tkt_addrs(enc_tkt_reply), &creds->addresses))) {
1767 afs_com_err(progname, code, "while copying addresses");
1773 size_t creds_tkt_len;
1774 ASN1_MALLOC_ENCODE(Ticket, creds->ticket.data, creds->ticket.length,
1775 ticket_reply, &creds_tkt_len, code);
1777 afs_com_err(progname, code, "while encoding ticket");
1782 if ((code = encode_krb5_ticket(ticket_reply, &temp))) {
1783 afs_com_err(progname, code, "while encoding ticket");
1786 creds->ticket = *temp;
1793 if (deref_enc_data(&ticket_reply->enc_part))
1794 free(deref_enc_data(&ticket_reply->enc_part));
1795 krb5_free_keytab_entry_contents(context, entry);
1796 if (client_principal)
1797 krb5_free_principal(context, client_principal);
1798 if (service_principal)
1799 krb5_free_principal(context, service_principal);
1801 krb5_cc_close(context, cc);
1803 krb5_kt_close(context, kt);
1804 if (creds) krb5_free_creds(context, creds);
1805 krb5_free_keyblock_contents(context, session_key);
1814 static krb5_error_code get_credv5(krb5_context context,
1815 char *name, char *inst, char *realm,
1820 static krb5_principal client_principal = 0;
1823 printf("Getting tickets: %s%s%s@%s\n", name, inst[0] ? "/" : "",
1827 memset((char *)&increds, 0, sizeof(increds));
1828 /* ANL - instance may be ptr to a null string. Pass null then */
1829 if ((r = krb5_build_principal(context, &increds.server,
1830 strlen(realm), realm,
1832 (inst && strlen(inst)) ? inst : (void *) NULL,
1838 if (!_krb425_ccache) {
1839 r = krb5_cc_default(context, &_krb425_ccache);
1843 if (!client_principal) {
1845 r = krb5_parse_name(context, client, &client_principal);
1847 r = krb5_cc_get_principal(context, _krb425_ccache, &client_principal);
1853 increds.client = client_principal;
1854 increds.times.endtime = 0;
1855 /* Ask for DES since that is what V4 understands */
1856 get_creds_enctype((&increds)) = ENCTYPE_DES_CBC_CRC;
1859 int allowed_enctypes[] = {
1860 ENCTYPE_DES_CBC_CRC, 0
1863 r = get_credv5_akimpersonate(context,
1872 r = krb5_get_credentials(context, 0, _krb425_ccache, &increds, creds);
1878 static int get_user_realm(krb5_context context, char *realm)
1880 static krb5_principal client_principal = 0;
1882 krb5_error_code r = 0;
1884 if (!_krb425_ccache)
1885 krb5_cc_default(context, &_krb425_ccache);
1886 if (!client_principal) {
1888 r = krb5_parse_name(context, client, &client_principal);
1890 r = krb5_cc_get_principal(context, _krb425_ccache, &client_principal);
1896 i = realm_len(context, client_principal);
1897 if (i > REALM_SZ-1) i = REALM_SZ-1;
1898 strncpy(realm,realm_data(context, client_principal), i);