7769bf6a32
o Implement mailer_flags o Store syslog stuff both in int and string form. Setting the string form magically updates the int version. o Add boolean attribute to strings where it makes sense to say !foo
148 lines
4.2 KiB
C
148 lines
4.2 KiB
C
/*
|
|
* Copyright (c) 1999 Todd C. Miller <Todd.Miller@courtesan.com>
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed by Spider Boardman
|
|
*
|
|
* 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.
|
|
*
|
|
* 4. Products derived from this software may not be called "Sudo" nor
|
|
* may "Sudo" appear in their names without specific prior written
|
|
* permission from the author.
|
|
*
|
|
* 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"
|
|
|
|
#include <stdio.h>
|
|
#ifdef STDC_HEADERS
|
|
#include <stdlib.h>
|
|
#endif /* STDC_HEADERS */
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif /* HAVE_UNISTD_H */
|
|
#ifdef HAVE_STRING_H
|
|
#include <string.h>
|
|
#endif /* HAVE_STRING_H */
|
|
#ifdef HAVE_STRINGS_H
|
|
#include <strings.h>
|
|
#endif /* HAVE_STRINGS_H */
|
|
#include <sys/param.h>
|
|
#include <sys/types.h>
|
|
#include <pwd.h>
|
|
#include <siad.h>
|
|
|
|
#include "sudo.h"
|
|
#include "sudo_auth.h"
|
|
|
|
#ifndef lint
|
|
static const char rcsid[] = "$Sudo$";
|
|
#endif /* lint */
|
|
|
|
static int sudo_collect __P((int, int, uchar_t *, int, prompt_t *));
|
|
|
|
static char *def_prompt;
|
|
|
|
/*
|
|
* Collection routine (callback) for limiting the timeouts in SIA
|
|
* prompts and (possibly) setting a custom prompt.
|
|
*/
|
|
static int
|
|
sudo_collect(timeout, rendition, title, nprompts, prompts)
|
|
int timeout;
|
|
int rendition;
|
|
uchar_t *title;
|
|
int nprompts;
|
|
prompt_t *prompts;
|
|
{
|
|
switch (rendition) {
|
|
case SIAFORM:
|
|
case SIAONELINER:
|
|
if (timeout <= 0 || timeout > def_ival(I_PW_TIMEOUT) * 60)
|
|
timeout = def_ival(I_PW_TIMEOUT) * 60;
|
|
/*
|
|
* Substitute custom prompt if a) the sudo prompt is not "Password:"
|
|
* and b) the SIA prompt is "Password:" (so we know it is safe).
|
|
* This keeps us from overwriting things like S/Key challenges.
|
|
*/
|
|
if (strcmp((char *)prompts[0].prompt, "Password:") == 0 &&
|
|
strcmp(def_prompt, "Password:") != 0)
|
|
prompts[0].prompt = (unsigned char *)def_prompt;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return sia_collect_trm(timeout, rendition, title, nprompts, prompts);
|
|
}
|
|
|
|
int
|
|
sia_setup(pw, promptp, auth)
|
|
struct passwd *pw;
|
|
char **promptp;
|
|
sudo_auth *auth;
|
|
{
|
|
SIAENTITY *siah = NULL;
|
|
|
|
if (sia_ses_init(&siah, Argc, Argv, NULL, pw->pw_name, ttyname(0), 1, NULL)
|
|
!= SIASUCCESS) {
|
|
|
|
log_error(USE_ERRNO|NO_EXIT|NO_MAIL,
|
|
"unable to initialize SIA session");
|
|
return(AUTH_FATAL);
|
|
}
|
|
|
|
auth->data = (VOID *) siah;
|
|
return(AUTH_SUCCESS);
|
|
}
|
|
|
|
int
|
|
sia_verify(pw, prompt, auth)
|
|
struct passwd *pw;
|
|
char *prompt;
|
|
sudo_auth *auth;
|
|
{
|
|
SIAENTITY *siah = (SIAENTITY *) auth->data;
|
|
|
|
def_prompt = prompt; /* for sudo_collect */
|
|
|
|
/* XXX - need a way to detect user hitting return or EOF at prompt */
|
|
if (sia_ses_reauthent(sudo_collect, siah) == SIASUCCESS)
|
|
return(AUTH_SUCCESS);
|
|
else
|
|
return(AUTH_FAILURE);
|
|
}
|
|
|
|
int
|
|
sia_cleanup(pw, auth)
|
|
struct passwd *pw;
|
|
sudo_auth *auth;
|
|
{
|
|
SIAENTITY *siah = (SIAENTITY *) auth->data;
|
|
|
|
(void) sia_ses_release(&siah);
|
|
return(AUTH_SUCCESS);
|
|
}
|