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88 lines
1.8 KiB
C
88 lines
1.8 KiB
C
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/*
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* Copyright 1985, 1986, 1987, 1988 by the Massachusetts Institute
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* of Technology.
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* For copying and distribution information, please see the file
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* <Copyright.MIT>.
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*
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* from: dest_tkt.c,v 4.9 89/10/02 16:23:07 jtkohl Exp $
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* $Id: dest_tkt.c,v 1.2 1994/07/19 19:25:07 g89r4222 Exp $
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*/
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#ifndef lint
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static char *rcsid =
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"$Id: dest_tkt.c,v 1.2 1994/07/19 19:25:07 g89r4222 Exp $";
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#endif /* lint */
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#include <stdio.h>
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#include <krb.h>
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#include <sys/file.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifdef TKT_SHMEM
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#include <sys/param.h>
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#endif
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#include <errno.h>
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/*
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* dest_tkt() is used to destroy the ticket store upon logout.
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* If the ticket file does not exist, dest_tkt() returns RET_TKFIL.
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* Otherwise the function returns RET_OK on success, KFAILURE on
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* failure.
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*
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* The ticket file (TKT_FILE) is defined in "krb.h".
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*/
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dest_tkt()
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{
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char *file = TKT_FILE;
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int i,fd;
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extern int errno;
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struct stat statb;
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char buf[BUFSIZ];
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#ifdef TKT_SHMEM
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char shmidname[MAXPATHLEN];
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#endif /* TKT_SHMEM */
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errno = 0;
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if (lstat(file,&statb) < 0)
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goto out;
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if (!(statb.st_mode & S_IFREG)
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#ifdef notdef
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|| statb.st_mode & 077
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#endif
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)
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goto out;
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if ((fd = open(file, O_RDWR, 0)) < 0)
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goto out;
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bzero(buf, BUFSIZ);
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for (i = 0; i < statb.st_size; i += BUFSIZ)
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if (write(fd, buf, BUFSIZ) != BUFSIZ) {
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(void) fsync(fd);
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(void) close(fd);
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goto out;
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}
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(void) fsync(fd);
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(void) close(fd);
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(void) unlink(file);
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out:
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if (errno == ENOENT) return RET_TKFIL;
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else if (errno != 0) return KFAILURE;
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#ifdef TKT_SHMEM
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/*
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* handle the shared memory case
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*/
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(void) strcpy(shmidname, file);
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(void) strcat(shmidname, ".shm");
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if ((i = krb_shm_dest(shmidname)) != KSUCCESS)
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return(i);
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#endif /* TKT_SHMEM */
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return(KSUCCESS);
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}
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