/* * 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 "sudo.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 aixauth_verify(pw, prompt, auth) struct passwd *pw; char *prompt; sudo_auth *auth; { char *pass, *message = NULL; int result = 1, reenter = 0; int rval = AUTH_SUCCESS; do { pass = tgetpass(prompt, def_passwd_timeout * 60, tgetpass_flags); 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) fputs(message, stderr); rval = pass ? AUTH_FAILURE : AUTH_INTR; } efree(message); return rval; } int aixauth_cleanup(pw, auth) struct passwd *pw; sudo_auth *auth; { /* Unset AUTHSTATE as it may not be correct for the runas user. */ unsetenv("AUTHSTATE"); return AUTH_SUCCESS; }