240 lines
6.2 KiB
C
240 lines
6.2 KiB
C
/*
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* Copyright (c) 1995 - 1999 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the Kungliga Tekniska
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* Högskolan and its contributors.
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*
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* 4. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <ctype.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_FCNTL_H
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#include <fcntl.h>
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#endif
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#if defined(HAVE_SYS_IOCTL_H) && SunOS != 40
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#include <sys/ioctl.h>
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#endif
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#ifdef HAVE_SYS_IOCCOM_H
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#include <sys/ioccom.h>
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#endif
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#ifdef HAVE_PWD_H
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#include <pwd.h>
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#endif
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#include <err.h>
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#include <krb.h>
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#include <kafs.h>
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#include <roken.h>
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RCSID("$Id: aklog.c,v 1.22.2.1 1999/07/22 03:13:22 assar Exp $");
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static int debug = 0;
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static void
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DEBUG(const char *, ...)
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#ifdef __GNUC__
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__attribute__ ((format (printf, 1, 2)))
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#endif
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;
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static void
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DEBUG(const char *fmt, ...)
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{
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va_list ap;
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if (debug) {
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va_start(ap, fmt);
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vwarnx(fmt, ap);
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va_end(ap);
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}
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}
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static char *
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expand_cell_name(char *cell)
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{
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FILE *f;
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static char buf[128];
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char *p;
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f = fopen(_PATH_CELLSERVDB, "r");
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if(f == NULL)
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return cell;
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while(fgets(buf, sizeof(buf), f) != NULL) {
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if(buf[0] == '>') {
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for(p=buf; *p && !isspace(*p) && *p != '#'; p++)
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;
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*p = '\0';
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if(strstr(buf, cell)){
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fclose(f);
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return buf + 1;
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}
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}
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buf[0] = 0;
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}
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fclose(f);
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return cell;
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}
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static int
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createuser (char *cell)
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{
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char cellbuf[64];
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char name[ANAME_SZ];
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char instance[INST_SZ];
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char realm[REALM_SZ];
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char cmd[1024];
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if (cell == NULL) {
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FILE *f;
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int len;
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f = fopen (_PATH_THISCELL, "r");
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if (f == NULL)
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err (1, "open(%s)", _PATH_THISCELL);
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if (fgets (cellbuf, sizeof(cellbuf), f) == NULL)
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err (1, "read cellname from %s", _PATH_THISCELL);
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fclose (f);
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len = strlen(cellbuf);
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if (cellbuf[len-1] == '\n')
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cellbuf[len-1] = '\0';
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cell = cellbuf;
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}
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if(krb_get_default_principal(name, instance, realm))
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errx (1, "Could not even figure out who you are");
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snprintf (cmd, sizeof(cmd),
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"pts createuser %s%s%s@%s -cell %s",
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name, *instance ? "." : "", instance, strlwr(realm),
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cell);
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DEBUG("Executing %s", cmd);
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return system(cmd);
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}
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int
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main(int argc, char **argv)
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{
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int i;
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int do_aklog = -1;
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int do_createuser = -1;
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char *cell = NULL;
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char *realm = NULL;
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char cellbuf[64];
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set_progname (argv[0]);
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if(!k_hasafs())
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exit(1);
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for(i = 1; i < argc; i++){
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if(!strncmp(argv[i], "-createuser", 11)){
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do_createuser = do_aklog = 1;
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}else if(!strncmp(argv[i], "-c", 2) && i + 1 < argc){
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cell = expand_cell_name(argv[++i]);
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do_aklog = 1;
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}else if(!strncmp(argv[i], "-k", 2) && i + 1 < argc){
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realm = argv[++i];
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}else if(!strncmp(argv[i], "-p", 2) && i + 1 < argc){
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if(k_afs_cell_of_file(argv[++i], cellbuf, sizeof(cellbuf)))
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errx (1, "No cell found for file \"%s\".", argv[i]);
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else
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cell = cellbuf;
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do_aklog = 1;
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}else if(!strncmp(argv[i], "-unlog", 6)){
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exit(k_unlog());
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}else if(!strncmp(argv[i], "-hosts", 6)){
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warnx ("Argument -hosts is not implemented.");
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}else if(!strncmp(argv[i], "-zsubs", 6)){
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warnx("Argument -zsubs is not implemented.");
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}else if(!strncmp(argv[i], "-noprdb", 6)){
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warnx("Argument -noprdb is not implemented.");
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}else if(!strncmp(argv[i], "-d", 6)){
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debug = 1;
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}else{
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if(!strcmp(argv[i], ".") ||
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!strcmp(argv[i], "..") ||
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strchr(argv[i], '/')){
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DEBUG("I guess that \"%s\" is a filename.", argv[i]);
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if(k_afs_cell_of_file(argv[i], cellbuf, sizeof(cellbuf)))
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errx (1, "No cell found for file \"%s\".", argv[i]);
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else {
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cell = cellbuf;
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DEBUG("The file \"%s\" lives in cell \"%s\".", argv[i], cell);
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}
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}else{
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cell = expand_cell_name(argv[i]);
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DEBUG("I guess that %s is cell %s.", argv[i], cell);
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}
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do_aklog = 1;
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}
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if(do_aklog == 1){
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do_aklog = 0;
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if(krb_afslog(cell, realm))
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errx (1, "Failed getting tokens for cell %s in realm %s.",
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cell?cell:"(local cell)", realm?realm:"(local realm)");
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}
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if(do_createuser == 1) {
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do_createuser = 0;
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if(createuser(cell))
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errx (1, "Failed creating user in cell %s", cell?cell:"(local cell)");
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}
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}
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if(do_aklog == -1 && do_createuser == -1 && krb_afslog(0, realm))
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errx (1, "Failed getting tokens for cell %s in realm %s.",
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cell?cell:"(local cell)", realm?realm:"(local realm)");
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return 0;
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}
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