*/
#include "includes.h"
-RCSID("$OpenBSD: auth-passwd.c,v 1.21 2001/02/12 16:16:23 markus Exp $");
-
-#if !defined(USE_PAM) && !defined(HAVE_OSF_SIA)
+RCSID("$OpenBSD: auth-passwd.c,v 1.28 2003/07/22 13:35:22 markus Exp $");
#include "packet.h"
-#include "xmalloc.h"
#include "log.h"
#include "servconf.h"
#include "auth.h"
-
+#include "openbsd-compat/xcrypt.h"
#ifdef WITH_AIXAUTHENTICATE
-# include <login.h>
-#endif
-#ifdef __hpux
-# include <hpsecurity.h>
-# include <prot.h>
-#endif
-#ifdef HAVE_SCO_PROTECTED_PW
-# include <sys/security.h>
-# include <sys/audit.h>
-# include <prot.h>
-#endif /* HAVE_SCO_PROTECTED_PW */
-#if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
-# include <shadow.h>
-#endif
-#if defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW)
-# include <sys/label.h>
-# include <sys/audit.h>
-# include <pwdadj.h>
-#endif
-#if defined(HAVE_MD5_PASSWORDS) && !defined(HAVE_MD5_CRYPT)
-# include "md5crypt.h"
-#endif /* defined(HAVE_MD5_PASSWORDS) && !defined(HAVE_MD5_CRYPT) */
-
-#ifdef HAVE_CYGWIN
-#undef ERROR
-#include <windows.h>
-#include <sys/cygwin.h>
-#define is_winnt (GetVersion() < 0x80000000)
+# include "buffer.h"
+# include "canohost.h"
+extern Buffer loginmsg;
#endif
+extern ServerOptions options;
+
/*
* Tries to authenticate the user using password. Returns true if
* authentication succeeds.
*/
int
-auth_password(struct passwd * pw, const char *password)
+auth_password(Authctxt *authctxt, const char *password)
{
- extern ServerOptions options;
- char *encrypted_password;
- char *pw_password;
- char *salt;
-#ifdef __hpux
- struct pr_passwd *spw;
-#endif
-#ifdef HAVE_SCO_PROTECTED_PW
- struct pr_passwd *spw;
-#endif /* HAVE_SCO_PROTECTED_PW */
-#if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
- struct spwd *spw;
-#endif
-#if defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW)
- struct passwd_adjunct *spw;
-#endif
-#ifdef WITH_AIXAUTHENTICATE
- char *authmsg;
- char *loginmsg;
- int reenter = 1;
-#endif
+ struct passwd * pw = authctxt->pw;
+ int ok = authctxt->valid;
/* deny if no user. */
if (pw == NULL)
- return 0;
+ ok = 0;
#ifndef HAVE_CYGWIN
- if (pw->pw_uid == 0 && options.permit_root_login != PERMIT_YES)
- return 0;
-#endif
-#ifdef HAVE_CYGWIN
- /*
- * Empty password is only possible on NT if the user has _really_
- * an empty password and authentication is done, though.
- */
- if (!is_winnt)
+ if (pw && pw->pw_uid == 0 && options.permit_root_login != PERMIT_YES)
+ ok = 0;
#endif
if (*password == '\0' && options.permit_empty_passwd == 0)
+ ok = 0;
+
+ if (!ok)
return 0;
-#ifdef HAVE_CYGWIN
+#if defined(HAVE_OSF_SIA)
+ return auth_sia_password(authctxt, password);
+#else
+# ifdef KRB5
+ if (options.kerberos_authentication == 1) {
+ int ret = auth_krb5_password(authctxt, password);
+ if (ret == 1 || ret == 0)
+ return ret;
+ /* Fall back to ordinary passwd authentication. */
+ }
+# endif
+# ifdef HAVE_CYGWIN
if (is_winnt) {
HANDLE hToken = cygwin_logon_user(pw, password);
if (hToken == INVALID_HANDLE_VALUE)
- return 0;
+ return (0);
cygwin_set_impersonation_token(hToken);
- return 1;
+ return (1);
}
-#endif
-
-#ifdef WITH_AIXAUTHENTICATE
- return (authenticate(pw->pw_name,password,&reenter,&authmsg) == 0);
-#endif
-
-#ifdef KRB4
- if (options.kerberos_authentication == 1) {
- int ret = auth_krb4_password(pw, password);
- if (ret == 1 || ret == 0)
- return ret;
- /* Fall back to ordinary passwd authentication. */
+# endif
+# ifdef WITH_AIXAUTHENTICATE
+ {
+ char *authmsg;
+ int reenter = 1;
+ int authsuccess = (authenticate(pw->pw_name, password,
+ &reenter, &authmsg) == 0);
+ aix_remove_embedded_newlines(authmsg);
+
+ if (authsuccess) {
+ char *msg;
+ char *host =
+ (char *)get_canonical_hostname(options.use_dns);
+
+ debug3("AIX/authenticate succeeded for user %s: %.100s",
+ pw->pw_name, authmsg);
+
+ /* No pty yet, so just label the line as "ssh" */
+ if (loginsuccess(authctxt->user, host, "ssh",
+ &msg) == 0){
+ if (msg != NULL) {
+ debug("%s: msg %s", __func__, msg);
+ buffer_append(&loginmsg, msg,
+ strlen(msg));
+ xfree(msg);
+ }
+ }
+ } else
+ debug3("AIX/authenticate failed for user %s: %.100s",
+ pw->pw_name, authmsg);
+
+ if (authmsg != NULL)
+ xfree(authmsg);
+
+ return (authsuccess);
}
-#endif
-
-
- pw_password = pw->pw_passwd;
-
- /*
- * Various interfaces to shadow or protected password data
- */
-#if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
- spw = getspnam(pw->pw_name);
- if (spw != NULL)
- pw_password = spw->sp_pwdp;
-#endif /* defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW) */
-
-#ifdef HAVE_SCO_PROTECTED_PW
- spw = getprpwnam(pw->pw_name);
- if (spw != NULL)
- pw_password = spw->ufld.fd_encrypt;
-#endif /* HAVE_SCO_PROTECTED_PW */
-
-#if defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW)
- if (issecure() && (spw = getpwanam(pw->pw_name)) != NULL)
- pw_password = spw->pwa_passwd;
-#endif /* defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW) */
-
-#if defined(__hpux)
- if (iscomsec() && (spw = getprpwnam(pw->pw_name)) != NULL)
- pw_password = spw->ufld.fd_encrypt;
-#endif /* defined(__hpux) */
+# endif
+# ifdef BSD_AUTH
+ if (auth_userokay(pw->pw_name, authctxt->style, "auth-ssh",
+ (char *)password) == 0)
+ return 0;
+ else
+ return 1;
+# else
+ {
+ char *pw_password = shadow_pw(pw);
/* Check for users with no password. */
- if ((password[0] == '\0') && (pw_password[0] == '\0'))
+ /* XXX Reverted back to OpenBSD, why was this changed again? */
+ if (strcmp(pw_password, "") == 0 && strcmp(pw->pw_passwd, "") == 0)
return 1;
+ else {
+ /* Encrypt the candidate password using the proper salt. */
+ char *encrypted_password = xcrypt(password,
+ (pw_password[0] && pw_password[1]) ? pw_password : "xx");
+
+ /*
+ * Authentication is accepted if the encrypted passwords
+ * are identical.
+ */
+ return (strcmp(encrypted_password, pw_password) == 0);
+ }
- if (pw_password[0] != '\0')
- salt = pw_password;
- else
- salt = "xx";
-
-#ifdef HAVE_MD5_PASSWORDS
- if (is_md5_salt(salt))
- encrypted_password = md5_crypt(password, salt);
- else
- encrypted_password = crypt(password, salt);
-#else /* HAVE_MD5_PASSWORDS */
-# ifdef __hpux
- if (iscomsec())
- encrypted_password = bigcrypt(password, salt);
- else
- encrypted_password = crypt(password, salt);
-# else
- encrypted_password = crypt(password, salt);
-# endif /* __hpux */
-#endif /* HAVE_MD5_PASSWORDS */
-
- /* Authentication is accepted if the encrypted passwords are identical. */
- return (strcmp(encrypted_password, pw_password) == 0);
+ }
+# endif
+#endif /* !HAVE_OSF_SIA */
}
-#endif /* !USE_PAM && !HAVE_OSF_SIA */
andersk / openssh.git / blobdiff