2 * Copyright (C) 1989,2004 by the Massachusetts Institute of Technology
4 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
5 * distribute this software and its documentation for any purpose and
6 * without fee is hereby granted, provided that the above copyright
7 * notice appear in all copies and that both that copyright notice and
8 * this permission notice appear in supporting documentation, and that
9 * the name of M.I.T. not be used in advertising or publicity pertaining
10 * to distribution of the software without specific, written prior
11 * permission. M.I.T. makes no representations about the suitability of
12 * this software for any purpose. It is provided "as is" without express
13 * or implied warranty.
20 #include <sys/types.h>
30 #include <cm_config.h>
32 #include <cellconfig.h>
33 #include <pioctl_nt.h>
34 #include <smb_iocons.h>
38 #define __S_ISTYPE(mode, mask) (((mode) & _S_IFMT) == (mask))
39 #define S_ISDIR(mode) __S_ISTYPE((mode), _S_IFDIR)
41 #define DONT_HAVE_GET_AD_TKT
42 #define MAXSYMLINKS 255
44 /* Win32 uses get_krb_err_txt_entry(status) instead of krb_err_txt[status],
45 * so we use a bit of indirection like the GNU CVS sources.
47 #define krb_err_text(status) get_krb_err_txt_entry(status)
49 #define DRIVECOLON ':' /* Drive letter separator */
50 #define BDIR '\\' /* Other character that divides directories */
53 readlink(char *path, char *buf, int buffers)
58 char * getcwd(char*, size_t);
61 get_cellconfig_callback(void *cellconfig, struct sockaddr_in *addrp, char *namep)
63 struct afsconf_cell *cc = (struct afsconf_cell *) cellconfig;
65 cc->hostAddr[cc->numServers] = *addrp;
66 strcpy(cc->hostName[cc->numServers], namep);
72 #include <sys/param.h>
74 #include <arpa/inet.h>
75 #include <sys/socket.h>
78 #include <afs/param.h>
80 #include <afs/cellconfig.h>
82 #include <afs/venus.h>
83 #include <afs/ptserver.h>
85 #define krb_err_text(status) krb_err_txt[status]
87 /* Cheesy test for determining AFS 3.5. */
88 #ifndef AFSCONF_CLIENTNAME
93 #include <afs/dirpath.h>
95 #define AFSDIR_CLIENT_ETC_DIRPATH AFSCONF_CLIENTNAME
100 #include "linked_list.h"
105 #define AKLOG_SUCCESS 0
106 #define AKLOG_USAGE 1
107 #define AKLOG_SOMETHINGSWRONG 2
109 #define AKLOG_KERBEROS 4
110 #define AKLOG_TOKEN 5
111 #define AKLOG_BADPATH 6
127 #define MAXSYMLINKS 15
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];
141 struct afsconf_cell ak_cellconfig; /* General information about the cell */
143 static char *progname = NULL; /* Name of this program */
144 static int dflag = FALSE; /* Give debugging information */
145 static int noprdb = FALSE; /* Skip resolving name to id? */
146 static int force = FALSE; /* Bash identical tokens? */
147 static linked_list authedcells; /* List of cells already logged to */
149 static int usev5 = TRUE; /* use kerberos 5? */
150 static krb5_ccache _krb425_ccache;
152 long GetLocalCell(struct afsconf_dir **pconfigdir, char *local_cell)
154 if (!(*pconfigdir = afsconf_Open(AFSDIR_CLIENT_ETC_DIRPATH)))
156 fprintf(stderr, "%s: can't get afs configuration (afsconf_Open(%s))\n",
157 progname, AFSDIR_CLIENT_ETC_DIRPATH);
161 return afsconf_GetLocalCell(*pconfigdir, local_cell, MAXCELLCHARS);
164 long GetCellInfo(struct afsconf_dir **pconfigdir, char* cell,
165 struct afsconf_cell **pcellconfig)
167 return afsconf_GetCellInfo(*pconfigdir, cell, NULL, *pcellconfig);
170 void CloseConf(struct afsconf_dir **pconfigdir)
172 (void) afsconf_Close(*pconfigdir);
175 void ViceIDToUsername(char *username, int *status,
176 struct ktc_principal *aserver)
179 long viceId; /* AFS uid of user */
182 printf("About to resolve name %s to id\n", username);
184 if (!pr_Initialize (0, AFSDIR_CLIENT_ETC_DIRPATH, aserver->cell))
185 *status = pr_SNameToId (username, &viceId);
190 printf("Error %d\n", *status);
192 printf("Id %d\n", viceId);
196 * This is a crock, but it is Transarc's crock, so
197 * we have to play along in order to get the
198 * functionality. The way the afs id is stored is
199 * as a string in the username field of the token.
200 * Contrary to what you may think by looking at
201 * the code for tokens, this hack (AFS ID %d) will
202 * not work if you change %d to something else.
204 if ((*status == 0) && (viceId != ANONYMOUSID))
205 sprintf (username, "AFS ID %d", viceId);
209 char *LastComponent(char *str)
211 char *ret = strrchr(str, DIR);
215 ret = strrchr(str, BDIR);
220 int FirstComponent(char *str)
229 void CopyPathColon(char *origpath, char *path, char *pathtocheck)
232 if (origpath[1] == DRIVECOLON)
234 strncpy(pathtocheck, origpath, 2);
235 strcpy(path, origpath+2);
239 strcpy(path, origpath);
242 int BeginsWithDir(char *str, int colon)
244 return (str[0] == DIR) ||
246 ((str[0] == BDIR) || (colon && str[1] == DRIVECOLON));
253 /* This is a pretty gross hack. Linking against the Transarc
254 * libraries pulls in some rxkad functions which use des. (I don't
255 * think they ever get called.) With Transarc-supplied libraries this
256 * creates a reliance on the symbol des_pcbc_init() which is only in
257 * Transarc's DES libraries (it's an exportability symbol-hiding
258 * thing), which we don't want to use because they don't work with
259 * MIT's krb4 routines. So export a des_pcbc_init() symbol here so we
260 * don't have to link against Transarc's des library.
267 static int get_cred(char *name, char *inst, char *realm, CREDENTIALS *c)
271 status = krb_get_cred(name, inst, realm, c);
272 if (status != KSUCCESS)
274 #ifdef DONT_HAVE_GET_AD_TKT
276 status = krb_mk_req(&ticket, name, inst, realm, 0);
278 status = get_ad_tkt(name, inst, realm, 255);
280 if (status == KSUCCESS)
281 status = krb_get_cred(name, inst, realm, c);
287 static int get_v5cred(krb5_context context,
288 char *name, char *inst, char *realm, CREDENTIALS *c,
293 static krb5_principal client_principal = 0;
295 memset((char *)&increds, 0, sizeof(increds));
297 if ((r = krb5_build_principal(context, &increds.server,
298 strlen(realm), realm,
300 (inst && strlen(inst)) ? inst : 0,
306 krb5_cc_default(context, &_krb425_ccache);
307 if (!client_principal)
308 krb5_cc_get_principal(context, _krb425_ccache, &client_principal);
310 increds.client = client_principal;
311 increds.times.endtime = 0;
312 /* Ask for DES since that is what V4 understands */
313 increds.keyblock.enctype = ENCTYPE_DES_CBC_CRC;
315 r = krb5_get_credentials(context, 0, _krb425_ccache, &increds, creds);
319 /* This requires krb524d to be running with the KDC */
321 r = krb5_524_convert_creds(context, *creds, c);
325 /* There is no header for this function. It is supposed to be private */
326 int krb_get_admhst(char *h,char *r, int n);
328 static char *afs_realm_of_cell(struct afsconf_cell *cellconfig)
330 char krbhst[MAX_HSTNM];
331 static char krbrlm[REALM_SZ+1];
336 strcpy(krbrlm, (char *) krb_realmofhost(cellconfig->hostName[0]));
338 if (krb_get_admhst(krbhst, krbrlm, 1) != KSUCCESS)
341 char *t = cellconfig->name;
356 static char *afs_realm_of_cell5(krb5_context context, struct afsconf_cell *cellconfig)
359 static char krbrlm[REALM_SZ+1];
360 krb5_error_code status;
365 status = krb5_get_host_realm( context, cellconfig->hostName[0], &krbrlms );
367 if(krbrlms && krbrlms[0])
368 strcpy(krbrlm, krbrlms[0]);
370 strcpy(krbrlm, cellconfig->name);
375 krb5_free_host_realm( context, krbrlms );
380 static char *copy_cellinfo(cellinfo_t *cellinfo)
382 cellinfo_t *new_cellinfo;
384 if (new_cellinfo = (cellinfo_t *)malloc(sizeof(cellinfo_t)))
385 memcpy(new_cellinfo, cellinfo, sizeof(cellinfo_t));
387 return ((char *)new_cellinfo);
391 static char *copy_string(char *string)
395 if (new_string = (char *)calloc(strlen(string) + 1, sizeof(char)))
396 (void) strcpy(new_string, string);
402 static int get_cellconfig(char *cell, struct afsconf_cell *cellconfig,
405 int status = AKLOG_SUCCESS;
406 struct afsconf_dir *configdir = 0;
408 memset(local_cell, 0, sizeof(local_cell));
409 memset(cellconfig, 0, sizeof(*cellconfig));
411 if (GetLocalCell(&configdir, local_cell))
413 fprintf(stderr, "%s: can't determine local cell.\n", progname);
417 if ((cell == NULL) || (cell[0] == 0))
420 if (GetCellInfo(&configdir, cell, &cellconfig))
422 fprintf(stderr, "%s: Can't get information about cell %s.\n",
428 CloseConf(&configdir);
433 static int get_v5_user_realm(krb5_context context,char *realm)
435 static krb5_principal client_principal = 0;
439 krb5_cc_default(context, &_krb425_ccache);
440 if (!client_principal)
441 krb5_cc_get_principal(context, _krb425_ccache, &client_principal);
443 i = krb5_princ_realm(context, client_principal)->length;
444 if (i < REALM_SZ-1) i = REALM_SZ-1;
445 strncpy(realm,krb5_princ_realm(context, client_principal)->data,i);
451 * Log to a cell. If the cell has already been logged to, return without
452 * doing anything. Otherwise, log to it and mark that it has been logged
454 static int auth_to_cell(krb5_context context, char *cell, char *realm)
456 int status = AKLOG_SUCCESS;
457 char username[BUFSIZ]; /* To hold client username structure */
459 char name[ANAME_SZ]; /* Name of afs key */
460 char instance[INST_SZ]; /* Instance of afs key */
461 char realm_of_user[REALM_SZ]; /* Kerberos realm of user */
462 char realm_of_cell[REALM_SZ]; /* Kerberos realm of cell */
463 char local_cell[MAXCELLCHARS+1];
464 char cell_to_use[MAXCELLCHARS+1]; /* Cell to authenticate to */
466 krb5_creds *v5cred = NULL;
468 struct ktc_principal aserver;
469 struct ktc_principal aclient;
470 struct ktc_token atoken, btoken;
472 /* try to avoid an expensive call to get_cellconfig */
473 if (cell && ll_string_check(&authedcells, cell))
476 printf("Already authenticated to %s (or tried to)\n", cell);
477 return(AKLOG_SUCCESS);
480 memset(name, 0, sizeof(name));
481 memset(instance, 0, sizeof(instance));
482 memset(realm_of_user, 0, sizeof(realm_of_user));
483 memset(realm_of_cell, 0, sizeof(realm_of_cell));
485 /* NULL or empty cell returns information on local cell */
486 if (status = get_cellconfig(cell, &ak_cellconfig, local_cell))
489 strncpy(cell_to_use, ak_cellconfig.name, MAXCELLCHARS);
490 cell_to_use[MAXCELLCHARS] = 0;
492 if (ll_string_check(&authedcells, cell_to_use))
495 printf("Already authenticated to %s (or tried to)\n", cell_to_use);
496 return(AKLOG_SUCCESS);
500 * Record that we have attempted to log to this cell. We do this
501 * before we try rather than after so that we will not try
502 * and fail repeatedly for one cell.
504 (void)ll_add_string(&authedcells, cell_to_use);
507 printf("Authenticating to cell %s.\n", cell_to_use);
509 if (realm && realm[0])
510 strcpy(realm_of_cell, realm);
512 strcpy(realm_of_cell,
514 afs_realm_of_cell5(context, &ak_cellconfig) :
515 afs_realm_of_cell(&ak_cellconfig));
517 /* We use the afs.<cellname> convention here... */
518 strcpy(name, AFSKEY);
519 strncpy(instance, cell_to_use, sizeof(instance));
520 instance[sizeof(instance)-1] = '\0';
523 * Extract the session key from the ticket file and hand-frob an
524 * afs style authenticator.
533 printf("Getting v5 tickets: %s/%s@%s\n", name, instance, realm_of_cell);
534 status = get_v5cred(context, name, instance, realm_of_cell, NULL, &v5cred);
535 if (status == KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN) {
537 printf("Getting v5 tickets: %s@%s\n", name, realm_of_cell);
538 status = get_v5cred(context, name, "", realm_of_cell, NULL, &v5cred);
540 if ( status == KRB5KRB_AP_ERR_MSG_TYPE && retry ) {
548 * Try to obtain AFS tickets. Because there are two valid service
549 * names, we will try both, but trying the more specific first.
555 printf("Getting tickets: %s.%s@%s\n", name, instance, realm_of_cell);
556 status = get_cred(name, instance, realm_of_cell, &c);
557 if (status == KDC_PR_UNKNOWN)
560 printf("Getting tickets: %s@%s\n", name, realm_of_cell);
561 status = get_cred(name, "", realm_of_cell, &c);
565 /* TODO: get k5 error text */
566 if (status != KSUCCESS)
569 printf("Kerberos error code returned by get_cred: %d\n", status);
570 fprintf(stderr, "%s: Couldn't get %s AFS tickets: %s\n",
571 progname, cell_to_use,
573 krb_err_text(status));
574 return(AKLOG_KERBEROS);
577 strncpy(aserver.name, AFSKEY, MAXKTCNAMELEN - 1);
578 strncpy(aserver.instance, AFSINST, MAXKTCNAMELEN - 1);
579 strncpy(aserver.cell, cell_to_use, MAXKTCREALMLEN - 1);
582 /* This code inserts the entire K5 ticket into the token
583 * No need to perform a krb524 translation which is
584 * commented out in the code below
589 len = min(v5cred->client->data[0].length,MAXKTCNAMELEN - 1);
590 strncpy(username, v5cred->client->data[0].data, len);
591 username[len] = '\0';
593 if ( v5cred->client->length > 1 ) {
594 strcat(username, ".");
595 p = username + strlen(username);
596 len = min(v5cred->client->data[1].length,MAXKTCNAMELEN - strlen(username) - 1);
597 strncpy(p, v5cred->client->data[1].data, len);
601 memset(&atoken, '\0', sizeof(atoken));
602 atoken.kvno = RXKAD_TKT_TYPE_KERBEROS_V5;
603 atoken.startTime = v5cred->times.starttime;
604 atoken.endTime = v5cred->times.endtime;
605 memcpy(&atoken.sessionKey, v5cred->keyblock.contents, v5cred->keyblock.length);
606 atoken.ticketLen = v5cred->ticket.length;
607 memcpy(atoken.ticket, v5cred->ticket.data, atoken.ticketLen);
610 strcpy (username, c.pname);
613 strcat(username, ".");
614 strcat(username, c.pinst);
617 atoken.kvno = c.kvno;
618 atoken.startTime = c.issue_date;
619 /* ticket lifetime is in five-minutes blocks. */
620 atoken.endTime = c.issue_date + ((unsigned char)c.lifetime * 5 * 60);
622 memcpy(&atoken.sessionKey, c.session, 8);
623 atoken.ticketLen = c.ticket_st.length;
624 memcpy(atoken.ticket, c.ticket_st.dat, atoken.ticketLen);
628 !ktc_GetToken(&aserver, &btoken, sizeof(btoken), &aclient) &&
629 atoken.kvno == btoken.kvno &&
630 atoken.ticketLen == btoken.ticketLen &&
631 !memcmp(&atoken.sessionKey, &btoken.sessionKey, sizeof(atoken.sessionKey)) &&
632 !memcmp(atoken.ticket, btoken.ticket, atoken.ticketLen))
635 printf("Identical tokens already exist; skipping.\n");
642 printf("Not resolving name %s to id (-noprdb set)\n", username);
647 if((status = get_v5_user_realm(context, realm_of_user)) != KSUCCESS) {
648 fprintf(stderr, "%s: Couldn't determine realm of user: %d\n",
650 return(AKLOG_KERBEROS);
654 if ((status = krb_get_tf_realm(TKT_FILE, realm_of_user)) != KSUCCESS)
656 fprintf(stderr, "%s: Couldn't determine realm of user: %s)",
657 progname, krb_err_text(status));
658 return(AKLOG_KERBEROS);
662 if (strcmp(realm_of_user, realm_of_cell))
664 strcat(username, "@");
665 strcat(username, realm_of_user);
668 ViceIDToUsername(username, &status, &aserver);
672 printf("Set username to %s\n", username);
674 /* Reset the "aclient" structure before we call ktc_SetToken.
675 * This structure was first set by the ktc_GetToken call when
676 * we were comparing whether identical tokens already existed.
678 strncpy(aclient.name, username, MAXKTCNAMELEN - 1);
679 strcpy(aclient.instance, "");
681 int len = min(v5cred->client->realm.length,MAXKTCNAMELEN - 1);
682 strncpy(aclient.cell, v5cred->client->realm.data, len);
683 aclient.cell[len] = '\0';
685 strncpy(aclient.cell, c.realm, MAXKTCREALMLEN - 1);
688 printf("Getting tokens.\n");
689 if (status = ktc_SetToken(&aserver, &atoken, &aclient, 0))
692 "%s: unable to obtain tokens for cell %s (status: %d).\n",
693 progname, cell_to_use, status);
694 status = AKLOG_TOKEN;
700 static int get_afs_mountpoint(char *file, char *mountpoint, int size)
702 char our_file[MAXPATHLEN + 1];
704 char *last_component;
705 struct ViceIoctl vio;
706 char cellname[BUFSIZ];
708 memset(our_file, 0, sizeof(our_file));
709 strcpy(our_file, file);
711 if (last_component = LastComponent(our_file))
713 *last_component++ = 0;
714 parent_dir = our_file;
718 last_component = our_file;
722 memset(cellname, 0, sizeof(cellname));
724 vio.in = last_component;
725 vio.in_size = strlen(last_component)+1;
727 vio.out = mountpoint;
729 if (!pioctl(parent_dir, VIOC_AFS_STAT_MT_PT, &vio, 0))
731 if (strchr(mountpoint, VOLMARKER) == NULL)
734 vio.in_size = strlen(file) + 1;
735 vio.out_size = sizeof(cellname);
738 if (!pioctl(file, VIOC_FILE_CELL_NAME, &vio, 1))
740 strcat(cellname, VOLMARKERSTRING);
741 strcat(cellname, mountpoint + 1);
742 memset(mountpoint + 1, 0, size - 1);
743 strcpy(mountpoint + 1, cellname);
754 * This routine each time it is called returns the next directory
755 * down a pathname. It resolves all symbolic links. The first time
756 * it is called, it should be called with the name of the path
757 * to be descended. After that, it should be called with the arguemnt
760 static char *next_path(char *origpath)
762 static char path[MAXPATHLEN + 1];
763 static char pathtocheck[MAXPATHLEN + 1];
765 int link = FALSE; /* Is this a symbolic link? */
766 char linkbuf[MAXPATHLEN + 1];
767 char tmpbuf[MAXPATHLEN + 1];
769 static char *last_comp; /* last component of directory name */
770 static char *elast_comp; /* End of last component */
774 static int symlinkcount = 0; /* We can't exceed MAXSYMLINKS */
776 /* If we are given something for origpath, we are initializing only. */
779 memset(path, 0, sizeof(path));
780 memset(pathtocheck, 0, sizeof(pathtocheck));
781 CopyPathColon(origpath, path, pathtocheck);
787 /* We were not given origpath; find then next path to check */
789 /* If we've gotten all the way through already, return NULL */
790 if (last_comp == NULL)
795 while (BeginsWithDir(last_comp, FALSE))
796 strncat(pathtocheck, last_comp++, 1);
797 len = (elast_comp = LastComponent(last_comp))
798 ? elast_comp - last_comp : strlen(last_comp);
799 strncat(pathtocheck, last_comp, len);
800 memset(linkbuf, 0, sizeof(linkbuf));
801 if (link = (readlink(pathtocheck, linkbuf, sizeof(linkbuf)) > 0))
803 if (++symlinkcount > MAXSYMLINKS)
805 fprintf(stderr, "%s: %s\n", progname, strerror(ELOOP));
808 memset(tmpbuf, 0, sizeof(tmpbuf));
810 strcpy(tmpbuf, elast_comp);
811 if (BeginsWithDir(linkbuf, FALSE))
814 * If this is a symbolic link to an absolute path,
815 * replace what we have by the absolute path.
817 memset(path, 0, strlen(path));
818 memcpy(path, linkbuf, sizeof(linkbuf));
819 strcat(path, tmpbuf);
822 memset(pathtocheck, 0, sizeof(pathtocheck));
827 * If this is a symbolic link to a relative path,
828 * replace only the last component with the link name.
830 strncpy(last_comp, linkbuf, strlen(linkbuf) + 1);
831 strcat(path, tmpbuf);
833 if (t = LastComponent(pathtocheck))
836 memset(t, 0, strlen(t));
839 memset(pathtocheck, 0, sizeof(pathtocheck));
843 last_comp = elast_comp;
851 * This routine descends through a path to a directory, logging to
852 * every cell it encounters along the way.
854 static int auth_to_path(krb5_context context, char *path)
856 int status = AKLOG_SUCCESS;
857 int auth_to_cell_status = AKLOG_SUCCESS;
860 char pathtocheck[MAXPATHLEN + 1];
861 char mountpoint[MAXPATHLEN + 1];
867 if (BeginsWithDir(path, TRUE))
868 strcpy(pathtocheck, path);
871 if (getcwd(pathtocheck, sizeof(pathtocheck)) == NULL)
873 fprintf(stderr, "Unable to find current working directory:\n");
874 fprintf(stderr, "%s\n", pathtocheck);
875 fprintf(stderr, "Try an absolute pathname.\n");
880 /* in WIN32, if getcwd returns a root dir (eg: c:\), the returned string
881 * will already have a trailing slash ('\'). Otherwise, the string will
882 * end in the last directory name */
884 if(pathtocheck[strlen(pathtocheck) - 1] != BDIR)
886 strcat(pathtocheck, DIRSTRING);
887 strcat(pathtocheck, path);
890 next_path(pathtocheck);
892 /* Go on to the next level down the path */
893 while (nextpath = next_path(NULL))
895 strcpy(pathtocheck, nextpath);
897 printf("Checking directory [%s]\n", pathtocheck);
899 * If this is an afs mountpoint, determine what cell from
900 * the mountpoint name which is of the form
901 * #cellname:volumename or %cellname:volumename.
903 if (get_afs_mountpoint(pathtocheck, mountpoint, sizeof(mountpoint)))
906 printf("Found mount point [%s]\n", mountpoint);
907 /* skip over the '#' or '%' */
908 cell = mountpoint + 1;
909 if (endofcell = strchr(mountpoint, VOLMARKER))
912 if (auth_to_cell_status = auth_to_cell(context, cell, NULL))
914 if (status == AKLOG_SUCCESS)
915 status = auth_to_cell_status;
916 else if (status != auth_to_cell_status)
917 status = AKLOG_SOMETHINGSWRONG;
925 if (lstat(pathtocheck, &st) < 0)
928 * If we've logged and still can't stat, there's
931 fprintf(stderr, "%s: stat(%s): %s\n", progname,
932 pathtocheck, strerror(errno));
933 return(AKLOG_BADPATH);
935 else if (!S_ISDIR(st.st_mode))
937 /* Allow only directories */
938 fprintf(stderr, "%s: %s: %s\n", progname, pathtocheck,
940 return(AKLOG_BADPATH);
948 /* Print usage message and exit */
949 static void usage(void)
951 fprintf(stderr, "\nUsage: %s %s%s%s%s\n", progname,
952 "[-d] [[-cell | -c] cell [-k krb_realm]] ",
953 "[[-p | -path] pathname]\n",
954 " [-noprdb] [-force]\n",
957 fprintf(stderr, " -d gives debugging information.\n");
958 fprintf(stderr, " krb_realm is the kerberos realm of a cell.\n");
959 fprintf(stderr, " pathname is the name of a directory to which ");
960 fprintf(stderr, "you wish to authenticate.\n");
961 fprintf(stderr, " -noprdb means don't try to determine AFS ID.\n");
962 fprintf(stderr, " -5 or -4 selects whether to use Kerberos V or Kerberos IV.\n"
963 " (default is Kerberos V)\n");
964 fprintf(stderr, " No commandline arguments means ");
965 fprintf(stderr, "authenticate to the local cell.\n");
966 fprintf(stderr, "\n");
970 int main(int argc, char *argv[])
972 int status = AKLOG_SUCCESS;
974 int somethingswrong = FALSE;
978 extern char *progname; /* Name of this program */
980 extern int dflag; /* Debug mode */
982 int cmode = FALSE; /* Cellname mode */
983 int pmode = FALSE; /* Path name mode */
985 char realm[REALM_SZ]; /* Kerberos realm of afs server */
986 char cell[BUFSIZ]; /* Cell to which we are authenticating */
987 char path[MAXPATHLEN + 1]; /* Path length for path mode */
989 linked_list cells; /* List of cells to log to */
990 linked_list paths; /* List of paths to log to */
993 krb5_context context = 0;
995 memset(&cellinfo, 0, sizeof(cellinfo));
997 memset(realm, 0, sizeof(realm));
998 memset(cell, 0, sizeof(cell));
999 memset(path, 0, sizeof(path));
1004 /* Store the program name here for error messages */
1005 if (progname = LastComponent(argv[0]))
1010 /* Initialize list of cells to which we have authenticated */
1011 (void)ll_init(&authedcells);
1013 /* Parse commandline arguments and make list of what to do. */
1014 for (i = 1; i < argc; i++)
1016 if (strcmp(argv[i], "-d") == 0)
1018 else if (strcmp(argv[i], "-5") == 0)
1020 else if (strcmp(argv[i], "-4") == 0)
1022 else if (strcmp(argv[i], "-noprdb") == 0)
1024 else if (strcmp(argv[i], "-force") == 0)
1026 else if (((strcmp(argv[i], "-cell") == 0) ||
1027 (strcmp(argv[i], "-c") == 0)) && !pmode)
1032 strcpy(cell, argv[i]);
1037 else if (((strcmp(argv[i], "-path") == 0) ||
1038 (strcmp(argv[i], "-p") == 0)) && !cmode)
1043 strcpy(path, argv[i]);
1048 else if (argv[i][0] == '-')
1050 else if (!pmode && !cmode)
1052 if (FirstComponent(argv[i]) || (strcmp(argv[i], ".") == 0) ||
1053 (strcmp(argv[i], "..") == 0))
1056 strcpy(path, argv[i]);
1061 strcpy(cell, argv[i]);
1069 if (((i + 1) < argc) && (strcmp(argv[i + 1], "-k") == 0))
1073 strcpy(realm, argv[i]);
1077 /* Add this cell to list of cells */
1078 strcpy(cellinfo.cell, cell);
1079 strcpy(cellinfo.realm, realm);
1080 if (cur_node = ll_add_node(&cells, ll_tail))
1083 if (new_cellinfo = copy_cellinfo(&cellinfo))
1084 ll_add_data(cur_node, new_cellinfo);
1087 fprintf(stderr, "%s: failure copying cellinfo.\n", progname);
1093 fprintf(stderr, "%s: failure adding cell to cells list.\n",
1097 memset(&cellinfo, 0, sizeof(cellinfo));
1099 memset(cell, 0, sizeof(cell));
1100 memset(realm, 0, sizeof(realm));
1104 /* Add this path to list of paths */
1105 if (cur_node = ll_add_node(&paths, ll_tail))
1108 if (new_path = copy_string(path))
1109 ll_add_data(cur_node, new_path);
1112 fprintf(stderr, "%s: failure copying path name.\n",
1119 fprintf(stderr, "%s: failure adding path to paths list.\n",
1124 memset(path, 0, sizeof(path));
1129 krb5_init_context(&context);
1131 /* If nothing was given, log to the local cell. */
1132 if ((cells.nelements + paths.nelements) == 0)
1133 status = auth_to_cell(context, NULL, NULL);
1136 /* Log to all cells in the cells list first */
1137 for (cur_node = cells.first; cur_node; cur_node = cur_node->next)
1139 memcpy(&cellinfo, cur_node->data, sizeof(cellinfo));
1140 if (status = auth_to_cell(
1142 cellinfo.cell, cellinfo.realm))
1146 /* Then, log to all paths in the paths list */
1147 for (cur_node = paths.first; cur_node; cur_node = cur_node->next)
1149 if (status = auth_to_path(
1156 * If only one thing was logged to, we'll return the status
1157 * of the single call. Otherwise, we'll return a generic
1158 * something failed status.
1160 if (somethingswrong && ((cells.nelements + paths.nelements) > 1))
1161 status = AKLOG_SOMETHINGSWRONG;
1165 krb5_free_context(context);