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/* $OpenBSD: afslog.c,v 1.1 1998/03/12 14:36:17 art Exp $ */
/* $KTH: aklog.c,v 1.20 1997/12/09 10:36:25 joda Exp $ */
/*
* Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the Kungliga Tekniska
* Högskolan and its contributors.
*
* 4. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/ioccom.h>
#include <pwd.h>
#include <err.h>
#include <kerberosIV/krb.h>
#include <kerberosIV/kafs.h>
static int debug = 0;
static void
DEBUG(const char *, ...)
#ifdef __GNUC__
__attribute__ ((format (printf, 1, 2)))
#endif
;
static void
DEBUG(const char *fmt, ...)
{
va_list ap;
if (debug) {
va_start(ap, fmt);
vwarnx(fmt, ap);
va_end(ap);
}
}
static char *
expand_cell_name(char *cell)
{
FILE *f;
static char buf[128];
char *p;
f = fopen(_PATH_CELLSERVDB, "r");
if(f == NULL)
return cell;
while(fgets(buf, sizeof(buf), f) != NULL) {
if(buf[0] == '>') {
for(p=buf; *p && *p != ' ' && *p != '\t' && *p != '\n'; p++);
*p = '\0';
if(strstr(buf, cell)){
fclose(f);
return buf + 1;
}
}
buf[0] = 0;
}
fclose(f);
return cell;
}
char *
strlwr(char *str)
{
char *s;
for(s = str; *s; s++)
*s = tolower(*s);
return str;
}
static int
createuser (char *cell)
{
char cellbuf[64];
char name[ANAME_SZ];
char instance[INST_SZ];
char realm[REALM_SZ];
char cmd[1024];
if (cell == NULL) {
FILE *f;
int len;
f = fopen (_PATH_THISCELL, "r");
if (f == NULL)
err (1, "open(%s)", _PATH_THISCELL);
if (fgets (cellbuf, sizeof(cellbuf), f) == NULL)
err (1, "read cellname from %s", _PATH_THISCELL);
len = strlen(cellbuf);
if (cellbuf[len-1] == '\n')
cellbuf[len-1] = '\0';
cell = cellbuf;
}
if(krb_get_default_principal(name, instance, realm))
errx (1, "Could not even figure out who you are");
snprintf (cmd, sizeof(cmd),
"pts createuser %s%s%s@%s -cell %s",
name, *instance ? "." : "", instance, strlwr(realm),
cell);
DEBUG("Executing %s", cmd);
return system(cmd);
}
int
main(int argc, char **argv)
{
int i;
int do_aklog = -1;
int do_createuser = -1;
char *cell = NULL;
char *realm = NULL;
char cellbuf[64];
if(!k_hasafs())
exit(1);
for(i = 1; i < argc; i++){
if(!strncmp(argv[i], "-createuser", 11)){
do_createuser = do_aklog = 1;
}else if(!strncmp(argv[i], "-c", 2) && i + 1 < argc){
cell = expand_cell_name(argv[++i]);
do_aklog = 1;
}else if(!strncmp(argv[i], "-k", 2) && i + 1 < argc){
realm = argv[++i];
}else if(!strncmp(argv[i], "-p", 2) && i + 1 < argc){
if(k_afs_cell_of_file(argv[++i], cellbuf, sizeof(cellbuf)))
errx (1, "No cell found for file \"%s\".", argv[i]);
else
cell = cellbuf;
do_aklog = 1;
}else if(!strncmp(argv[i], "-unlog", 6)){
exit(k_unlog());
}else if(!strncmp(argv[i], "-hosts", 6)){
warnx ("Argument -hosts is not implemented.");
}else if(!strncmp(argv[i], "-zsubs", 6)){
warnx("Argument -zsubs is not implemented.");
}else if(!strncmp(argv[i], "-noprdb", 6)){
warnx("Argument -noprdb is not implemented.");
}else if(!strncmp(argv[i], "-d", 6)){
debug = 1;
}else{
if(!strcmp(argv[i], ".") ||
!strcmp(argv[i], "..") ||
strchr(argv[i], '/')){
DEBUG("I guess that \"%s\" is a filename.", argv[i]);
if(k_afs_cell_of_file(argv[i], cellbuf, sizeof(cellbuf)))
errx (1, "No cell found for file \"%s\".", argv[i]);
else {
cell = cellbuf;
DEBUG("The file \"%s\" lives in cell \"%s\".", argv[i], cell);
}
}else{
cell = expand_cell_name(argv[i]);
DEBUG("I guess that %s is cell %s.", argv[i], cell);
}
do_aklog = 1;
}
if(do_aklog == 1){
do_aklog = 0;
if(krb_afslog(cell, realm))
errx (1, "Failed getting tokens for cell %s in realm %s.",
cell?cell:"(local cell)", realm?realm:"(local realm)");
}
if(do_createuser == 1) {
do_createuser = 0;
if(createuser(cell))
errx (1, "Failed creating user in cell %s", cell?cell:"(local cell)");
}
}
if(do_aklog == -1 && do_createuser == -1 && krb_afslog(0, realm))
errx (1, "Failed getting tokens for cell %s in realm %s.",
cell?cell:"(local cell)", realm?realm:"(local realm)");
return 0;
}
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