37770ecf1e
hooks for getenv, putenv, setenv and unsetenv. This makes it possible for the plugin to trap changes to the environment made by authentication methods such as PAM or BSD auth so that such changes are reflected in the environment passed back to sudo for execve().
101 lines
2.8 KiB
C
101 lines
2.8 KiB
C
/*
|
|
* Copyright (c) 1999-2005, 2007-2011 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 <sys/param.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);
|
|
}
|