/*
* Copyright (c) 1999-2005, 2007-2012 Todd C. Miller <Todd.Miller@courtesan.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Sponsored in part by the Defense Advanced Research Projects
* Agency (DARPA) and Air Force Research Laboratory, Air Force
* Materiel Command, USAF, under agreement number F39502-99-1-0512.
*/
#include <config.h>
#include <sys/types.h>
#include <stdio.h>
#ifdef STDC_HEADERS
# include <stdlib.h>
# include <stddef.h>
#else
# ifdef HAVE_STDLIB_H
# include <stdlib.h>
# endif
#endif /* STDC_HEADERS */
#ifdef HAVE_STRING_H
# include <string.h>
#endif /* HAVE_STRING_H */
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif /* HAVE_STRING_H */
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif /* HAVE_UNISTD_H */
#include <pwd.h>
#include <usersec.h>
#include "sudoers.h"
#include "sudo_auth.h"
/*
* For a description of the AIX authentication API, see
* http://publib16.boulder.ibm.com/doc_link/en_US/a_doc_lib/libs/basetrf1/authenticate.htm
*/
int
sudo_aix_verify(struct passwd *pw, char *prompt, sudo_auth *auth)
{
char *pass, *message = NULL;
int result = 1, reenter = 0;
int rval = AUTH_SUCCESS;
debug_decl(sudo_aix_verify, SUDO_DEBUG_AUTH)
do {
pass = auth_getpass(prompt, def_passwd_timeout * 60,
SUDO_CONV_PROMPT_ECHO_OFF);
if (pass == NULL)
break;
efree(message);
message = NULL;
result = authenticate(pw->pw_name, pass, &reenter, &message);
zero_bytes(pass, strlen(pass));
prompt = message;
} while (reenter);
if (result != 0) {
/* Display error message, if any. */
if (message != NULL) {
struct sudo_conv_message msg;
struct sudo_conv_reply repl;
memset(&msg, 0, sizeof(msg));
msg.msg_type = SUDO_CONV_ERROR_MSG;
msg.msg = message;
memset(&repl, 0, sizeof(repl));
sudo_conv(1, &msg, &repl);
}
rval = pass ? AUTH_FAILURE : AUTH_INTR;
}
efree(message);
debug_return_int(rval);
}
int
sudo_aix_cleanup(struct passwd *pw, sudo_auth *auth)
{
debug_decl(sudo_aix_cleanup, SUDO_DEBUG_AUTH)
/* Unset AUTHSTATE as it may not be correct for the runas user. */
sudo_unsetenv("AUTHSTATE");
debug_return_int(AUTH_SUCCESS);
}
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