diff options
Diffstat (limited to 'eBones/krb/in_tkt.c')
-rw-r--r-- | eBones/krb/in_tkt.c | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/eBones/krb/in_tkt.c b/eBones/krb/in_tkt.c deleted file mode 100644 index 1f6ee8a..0000000 --- a/eBones/krb/in_tkt.c +++ /dev/null @@ -1,146 +0,0 @@ -/* - * Copyright 1985, 1986, 1987, 1988 by the Massachusetts Institute - * of Technology. - * For copying and distribution information, please see the file - * <Copyright.MIT>. - * - * from: kt.c,v 4.9 89/10/25 19:03:35 qjb Exp $ - * $Id: in_tkt.c,v 1.6 1995/07/18 16:38:49 mark Exp $ - */ - -#if 0 -#ifndef lint -static char rcsid[] = -"$Id: in_tkt.c,v 1.6 1995/07/18 16:38:49 mark Exp $"; -#endif /* lint */ -#endif - -#include <unistd.h> -#include <string.h> -#include <stdio.h> -#include <krb.h> -#include <sys/file.h> -#include <sys/fcntl.h> -#include <sys/types.h> -#include <sys/stat.h> -#ifdef TKT_SHMEM -#include <sys/param.h> -#endif - -extern int krb_debug; - -/* - * in_tkt() is used to initialize the ticket store. It creates the - * file to contain the tickets and writes the given user's name "pname" - * and instance "pinst" in the file. in_tkt() returns KSUCCESS on - * success, or KFAILURE if something goes wrong. - */ - -int -in_tkt(pname,pinst) - char *pname; - char *pinst; -{ - int tktfile; - uid_t me, metoo; - struct stat buf; - int count; - char *file = TKT_FILE; - int fd; - register int i; - char charbuf[BUFSIZ]; -#ifdef TKT_SHMEM - char shmidname[MAXPATHLEN]; -#endif /* TKT_SHMEM */ - - me = getuid (); - metoo = geteuid(); - if (lstat(file,&buf) == 0) { - if (buf.st_uid != me && me == 0) { - unlink(file); - } else { - if (buf.st_uid != me || !(buf.st_mode & S_IFREG) || - buf.st_mode & 077) { - if (krb_debug) - fprintf(stderr,"Error initializing %s",file); - return(KFAILURE); - } - /* file already exists, and permissions appear ok, so nuke it */ - if ((fd = open(file, O_RDWR, 0)) < 0) - goto out; /* can't zero it, but we can still try truncating it */ - - bzero(charbuf, sizeof(charbuf)); - - for (i = 0; i < buf.st_size; i += sizeof(charbuf)) - if (write(fd, charbuf, sizeof(charbuf)) != sizeof(charbuf)) { - (void) fsync(fd); - (void) close(fd); - goto out; - } - - (void) fsync(fd); - (void) close(fd); - } - } - out: - /* arrange so the file is owned by the ruid - (swap real & effective uid if necessary). - This isn't a security problem, since the ticket file, if it already - exists, has the right uid (== ruid) and mode. */ - if (me != metoo) { - if (setreuid(metoo, me) < 0) { - /* can't switch??? barf! */ - if (krb_debug) - perror("in_tkt: setreuid"); - return(KFAILURE); - } else - if (krb_debug) - printf("swapped UID's %ld and %ld\n",metoo,me); - } - if ((tktfile = open(file,O_CREAT | O_TRUNC | O_WRONLY,0600)) < 0) { - if (krb_debug) - fprintf(stderr,"Error initializing %s",TKT_FILE); - return(KFAILURE); - } - if (me != metoo) { - if (setreuid(me, metoo) < 0) { - /* can't switch??? barf! */ - if (krb_debug) - perror("in_tkt: setreuid2"); - return(KFAILURE); - } else - if (krb_debug) - printf("swapped UID's %ld and %ld\n",me,metoo); - } - if (lstat(file,&buf) < 0) { - if (krb_debug) - fprintf(stderr,"Error initializing %s",TKT_FILE); - return(KFAILURE); - } - - if (buf.st_uid != me || !(buf.st_mode & S_IFREG) || - buf.st_mode & 077) { - if (krb_debug) - fprintf(stderr,"Error initializing %s",TKT_FILE); - return(KFAILURE); - } - - count = strlen(pname)+1; - if (write(tktfile,pname,count) != count) { - (void) close(tktfile); - return(KFAILURE); - } - count = strlen(pinst)+1; - if (write(tktfile,pinst,count) != count) { - (void) close(tktfile); - return(KFAILURE); - } - (void) close(tktfile); -#ifdef TKT_SHMEM - (void) strcpy(shmidname, file); - (void) strcat(shmidname, ".shm"); - return(krb_shm_create(shmidname)); -#else /* !TKT_SHMEM */ - return(KSUCCESS); -#endif /* TKT_SHMEM */ -} |