/*
- * CU sudo version 1.6
- * Copyright (c) 1999 Todd C. Miller <Todd.Miller@courtesan.com>
+ * Copyright (c) 1999 Todd C. Miller <Todd.Miller@courtesan.com>
+ * All rights reserved.
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 1, or (at your option)
- * any later version.
+ * This code is derived from software contributed by Frank Cusack
+ * <fcusack@iconnet.net>.
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * 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. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * Please send bugs, changes, problems to sudo-bugs@courtesan.com
- *
- * This code is derived from software contributed by Frank Cusack
- * <fcusack@iconnet.net>.
+ * THIS SOFTWARE IS PROVIDED ``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 AUTHOR 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 "config.h"
char **promptp;
void **data;
{
- char *p, *lrealm;
+ char *lrealm;
krb5_error_code retval;
extern int arg_prompt;
/* XXX - make these errors non-fatal for better fallback? */
if (retval = krb5_init_context(&sudo_context)) {
- set_perms(PERM_USER, 0);
- log_error(GLOBAL_KRB5_INIT_ERR);
- inform_user(GLOBAL_KRB5_INIT_ERR);
+ /* XXX - how to map retval to error string? */
+ log_error(NO_EXIT|NO_MAIL,
+ "unable to initialize Kerberos V context");
return(AUTH_FATAL);
}
*data = (void *) &sudo_context; /* save a pointer to the context */
if (retval = krb5_get_default_realm(sudo_context, &lrealm)) {
set_perms(PERM_USER, 0);
- log_error(GLOBAL_KRB5_INIT_ERR);
- inform_user(GLOBAL_KRB5_INIT_ERR);
+ log_error(NO_EXIT|NO_MAIL,
+ "unable to get default Kerberos V realm");
return(AUTH_FATAL);
}
realm = lrealm;
/* Only rewrite prompt if user didn't specify their own. */
- if (!strcmp(prompt, PASSPROMPT)) {
- p = emalloc(strlen(pw->pw_name) + strlen(realm) + 17);
- sprintf(p, "Password for %s@%s: ", pw->pw_name, realm);
- *promptp = p;
- }
+ if (!strcmp(prompt, PASSPROMPT))
+ asprintf(promptp, "Password for %s@%s: ", pw->pw_name, realm);
return(AUTH_SUCCESS);
}
/* Set the ticket file to be in /tmp so we don't need to change perms. */
/* XXX - potential /tmp race */
- (void) sprintf(cache_name, "FILE:/tmp/sudocc_%ld", getpid());
+ (void) snprintf(cache_name, sizeof(cache_name), "FILE:/tmp/sudocc_%ld",
+ (long) getpid());
if (krb5_cc_resolve(sudo_context, cache_name, &ccache)
return(AUTH_FAILURE);