/*
- * Copyright (c) 1996, 1998-2001 Todd C. Miller <Todd.Miller@courtesan.com>
- * All rights reserved.
+ * Copyright (c) 1996, 1998-2005, 2010
+ * Todd C. Miller <Todd.Miller@courtesan.com>
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
+ * 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.
*
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * 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.
*
- * 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.
+ * 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 <config.h>
#include <sys/types.h>
#include <sys/stat.h>
# endif
#endif /* STDC_HEADERS */
#ifdef HAVE_STRING_H
-# if defined(HAVE_MEMORY_H) && !defined(STDC_HEADERS)
-# include <memory.h>
-# endif
# include <string.h>
-#else
-# ifdef HAVE_STRINGS_H
-# include <strings.h>
-# endif
#endif /* HAVE_STRING_H */
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif /* HAVE_STRINGS_H */
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif /* HAVE_UNISTD_H */
#include <pwd.h>
+#include <grp.h>
#ifdef HAVE_GETSPNAM
# include <shadow.h>
#endif /* HAVE_GETSPNAM */
#include "sudo.h"
-#ifndef lint
-static const char rcsid[] = "$Sudo: getspwuid.c,v 1.62 2002/01/15 23:43:59 millert Exp $";
-#endif /* lint */
-
/*
- * Global variables (yuck)
+ * Exported for auth/secureware.c
*/
#if defined(HAVE_GETPRPWNAM) && defined(__alpha)
int crypt_type = INT_MAX;
#endif /* HAVE_GETPRPWNAM && __alpha */
-
-/*
- * Local functions not visible outside getspwuid.c
- */
-static struct passwd *sudo_pwdup __P((struct passwd *));
-
-
/*
* Return a copy of the encrypted password for the user described by pw.
* If shadow passwords are in use, look in the shadow file.
*/
char *
sudo_getepw(pw)
- struct passwd *pw;
+ const struct passwd *pw;
{
char *epw;
{
struct pr_passwd *spw;
- setprpwent();
if ((spw = getprpwnam(pw->pw_name)) && spw->ufld.fd_encrypt) {
# ifdef __alpha
crypt_type = spw->ufld.fd_oldcrypt;
# endif /* __alpha */
epw = estrdup(spw->ufld.fd_encrypt);
}
- endprpwent();
if (epw)
return(epw);
}
{
struct spwd *spw;
- setspent();
if ((spw = getspnam(pw->pw_name)) && spw->sp_pwdp)
epw = estrdup(spw->sp_pwdp);
- endspent();
if (epw)
return(epw);
}
{
struct s_passwd *spw;
- setspwent();
if ((spw = getspwuid(pw->pw_uid)) && spw->pw_passwd)
epw = estrdup(spw->pw_passwd);
- endspwent();
if (epw)
return(epw);
}
{
struct passwd_adjunct *spw;
- setpwaent();
if ((spw = getpwanam(pw->pw_name)) && spw->pwa_passwd)
epw = estrdup(spw->pwa_passwd);
- endpwaent();
if (epw)
return(epw);
}
{
AUTHORIZATION *spw;
- setauthent();
if ((spw = getauthuid(pw->pw_uid)) && spw->a_password)
epw = estrdup(spw->a_password);
- endauthent();
if (epw)
return(epw);
}
return(estrdup(pw->pw_passwd));
}
-/*
- * Dynamically allocate space for a struct password and the constituent parts
- * that we care about. Fills in pw_passwd from shadow file if necessary.
- */
-static struct passwd *
-sudo_pwdup(pw)
- struct passwd *pw;
+void
+sudo_setspent()
{
- struct passwd *local_pw;
-
- /* Allocate space for a local copy of pw. */
- local_pw = (struct passwd *) emalloc(sizeof(struct passwd));
-
- /*
- * Copy the struct passwd and the interesting strings...
- */
- (void) memcpy(local_pw, pw, sizeof(struct passwd));
- local_pw->pw_name = estrdup(pw->pw_name);
- local_pw->pw_dir = estrdup(pw->pw_dir);
- local_pw->pw_gecos = estrdup(pw->pw_gecos);
-#ifdef HAVE_LOGIN_CAP_H
- local_pw->pw_class = estrdup(pw->pw_class);
+#ifdef HAVE_GETPRPWNAM
+ setprpwent();
+#endif
+#ifdef HAVE_GETSPNAM
+ setspent();
+#endif
+#ifdef HAVE_GETSPWUID
+ setspwent();
+#endif
+#ifdef HAVE_GETPWANAM
+ setpwaent();
+#endif
+#ifdef HAVE_GETAUTHUID
+ setauthent();
#endif
-
- /* If shell field is empty, expand to _PATH_BSHELL. */
- if (local_pw->pw_shell[0] == '\0')
- local_pw->pw_shell = _PATH_BSHELL;
- else
- local_pw->pw_shell = estrdup(pw->pw_shell);
-
- /* pw_passwd gets a shadow password if applicable */
- local_pw->pw_passwd = sudo_getepw(pw);
-
- return(local_pw);
-}
-
-/*
- * Get a password entry by uid and allocate space for it.
- * Fills in pw_passwd from shadow file if necessary.
- */
-struct passwd *
-sudo_getpwuid(uid)
- uid_t uid;
-{
- struct passwd *pw;
-
- if ((pw = getpwuid(uid)) == NULL)
- return(NULL);
- else
- return(sudo_pwdup(pw));
}
-/*
- * Get a password entry by name and allocate space for it.
- * Fills in pw_passwd from shadow file if necessary.
- */
-struct passwd *
-sudo_getpwnam(name)
- const char *name;
+void
+sudo_endspent()
{
- struct passwd *pw;
-
- if ((pw = getpwnam(name)) == NULL)
- return(NULL);
- else
- return(sudo_pwdup(pw));
+#ifdef HAVE_GETPRPWNAM
+ endprpwent();
+#endif
+#ifdef HAVE_GETSPNAM
+ endspent();
+#endif
+#ifdef HAVE_GETSPWUID
+ endspwent();
+#endif
+#ifdef HAVE_GETPWANAM
+ endpwaent();
+#endif
+#ifdef HAVE_GETAUTHUID
+ endauthent();
+#endif
}