Rework source layout in preparation for modular sudo.
This commit is contained in:
Todd C. Miller
198
plugins/sudoers/getspwuid.c
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198
plugins/sudoers/getspwuid.c
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/*
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* Copyright (c) 1996, 1998-2005 Todd C. Miller <Todd.Miller@courtesan.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Sponsored in part by the Defense Advanced Research Projects
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* Agency (DARPA) and Air Force Research Laboratory, Air Force
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* Materiel Command, USAF, under agreement number F39502-99-1-0512.
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*/
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#include <config.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/param.h>
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#include <stdio.h>
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#ifdef STDC_HEADERS
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# include <stdlib.h>
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# include <stddef.h>
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#else
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# ifdef HAVE_STDLIB_H
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# include <stdlib.h>
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# endif
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#endif /* STDC_HEADERS */
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#ifdef HAVE_STRING_H
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# if defined(HAVE_MEMORY_H) && !defined(STDC_HEADERS)
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# include <memory.h>
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# endif
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# include <string.h>
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#else
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# ifdef HAVE_STRINGS_H
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# include <strings.h>
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# endif
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#endif /* HAVE_STRING_H */
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif /* HAVE_UNISTD_H */
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#include <pwd.h>
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#include <grp.h>
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#ifdef HAVE_GETSPNAM
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# include <shadow.h>
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#endif /* HAVE_GETSPNAM */
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#ifdef HAVE_GETPRPWNAM
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# ifdef __hpux
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# undef MAXINT
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# include <hpsecurity.h>
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# else
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# include <sys/security.h>
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# endif /* __hpux */
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# include <prot.h>
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#endif /* HAVE_GETPRPWNAM */
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#ifdef HAVE_GETPWANAM
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# include <sys/label.h>
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# include <sys/audit.h>
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# include <pwdadj.h>
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#endif /* HAVE_GETPWANAM */
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#ifdef HAVE_GETAUTHUID
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# include <auth.h>
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#endif /* HAVE_GETAUTHUID */
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#include "sudo.h"
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/*
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* Exported for auth/secureware.c
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*/
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#if defined(HAVE_GETPRPWNAM) && defined(__alpha)
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int crypt_type = INT_MAX;
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#endif /* HAVE_GETPRPWNAM && __alpha */
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/*
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* Return a copy of the encrypted password for the user described by pw.
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* If shadow passwords are in use, look in the shadow file.
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*/
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char *
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sudo_getepw(pw)
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const struct passwd *pw;
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{
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char *epw;
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/* If there is a function to check for shadow enabled, use it... */
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#ifdef HAVE_ISCOMSEC
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if (!iscomsec())
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return(estrdup(pw->pw_passwd));
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#endif /* HAVE_ISCOMSEC */
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#ifdef HAVE_ISSECURE
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if (!issecure())
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return(estrdup(pw->pw_passwd));
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#endif /* HAVE_ISSECURE */
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epw = NULL;
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#ifdef HAVE_GETPRPWNAM
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{
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struct pr_passwd *spw;
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if ((spw = getprpwnam(pw->pw_name)) && spw->ufld.fd_encrypt) {
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# ifdef __alpha
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crypt_type = spw->ufld.fd_oldcrypt;
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# endif /* __alpha */
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epw = estrdup(spw->ufld.fd_encrypt);
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}
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if (epw)
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return(epw);
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}
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#endif /* HAVE_GETPRPWNAM */
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#ifdef HAVE_GETSPNAM
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{
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struct spwd *spw;
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if ((spw = getspnam(pw->pw_name)) && spw->sp_pwdp)
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epw = estrdup(spw->sp_pwdp);
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if (epw)
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return(epw);
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}
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#endif /* HAVE_GETSPNAM */
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#ifdef HAVE_GETSPWUID
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{
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struct s_passwd *spw;
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if ((spw = getspwuid(pw->pw_uid)) && spw->pw_passwd)
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epw = estrdup(spw->pw_passwd);
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if (epw)
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return(epw);
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}
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#endif /* HAVE_GETSPWUID */
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#ifdef HAVE_GETPWANAM
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{
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struct passwd_adjunct *spw;
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if ((spw = getpwanam(pw->pw_name)) && spw->pwa_passwd)
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epw = estrdup(spw->pwa_passwd);
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if (epw)
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return(epw);
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}
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#endif /* HAVE_GETPWANAM */
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#ifdef HAVE_GETAUTHUID
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{
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AUTHORIZATION *spw;
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if ((spw = getauthuid(pw->pw_uid)) && spw->a_password)
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epw = estrdup(spw->a_password);
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if (epw)
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return(epw);
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}
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#endif /* HAVE_GETAUTHUID */
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/* Fall back on normal password. */
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return(estrdup(pw->pw_passwd));
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}
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void
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sudo_setspent()
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{
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#ifdef HAVE_GETPRPWNAM
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setprpwent();
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#endif
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#ifdef HAVE_GETSPNAM
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setspent();
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#endif
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#ifdef HAVE_GETSPWUID
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setspwent();
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#endif
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#ifdef HAVE_GETPWANAM
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setpwaent();
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#endif
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#ifdef HAVE_GETAUTHUID
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setauthent();
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#endif
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}
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void
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sudo_endspent()
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{
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#ifdef HAVE_GETPRPWNAM
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endprpwent();
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#endif
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#ifdef HAVE_GETSPNAM
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endspent();
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#endif
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#ifdef HAVE_GETSPWUID
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endspwent();
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#endif
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#ifdef HAVE_GETPWANAM
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endpwaent();
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#endif
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#ifdef HAVE_GETAUTHUID
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endauthent();
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#endif
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}
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