Initial revision

1 files changed, 256 insertions, 0 deletions

diff --git a/modules/pam_pwdb/pam_pwdb.c b/modules/pam_pwdb/pam_pwdb.c
new file mode 100644
index 00000000..68ca68fd
--- /dev/null
+++ b/modules/pam_pwdb/pam_pwdb.c
@@ -0,0 +1,256 @@
+/*
+ * $Id$
+ *
+ * This is the single file that will be compiled for pam_unix.
+ * it includes each of the modules that have beed defined in the .-c
+ * files in this directory.
+ *
+ * It is a little ugly to do it this way, but it is a simple way of
+ * defining static functions only once, and yet keeping the separate
+ * files modular. If you can think of something better, please email
+ * Andrew Morgan <morgan@linux.kernel.org>
+ *
+ * See the end of this file for Copyright information.
+ */
+
+static const char rcsid[] =
+"$Id$\n"
+" - PWDB Pluggable Authentication module. <morgan@linux.kernel.org>"
+;
+
+/* #define DEBUG */
+
+#define _SVID_SOURCE
+#define _BSD_SOURCE
+#define _BSD_COMPAT
+
+#ifdef linux
+# define _GNU_SOURCE
+# include <features.h>
+#endif
+
+#include <sys/types.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <syslog.h>
+#include <time.h>	/* for time() */
+#include <fcntl.h>
+#include <ctype.h>
+
+#include <sys/time.h>
+#include <unistd.h>
+
+#include <pwdb/pwdb_public.h>
+
+/* indicate the following groups are defined */
+
+#define PAM_SM_AUTH
+#define PAM_SM_ACCOUNT
+#define PAM_SM_SESSION
+#define PAM_SM_PASSWORD
+
+#include <security/_pam_macros.h>
+#include <security/pam_modules.h>
+
+#ifndef LINUX_PAM 
+#include <security/pam_appl.h>
+#endif  /* LINUX_PAM */
+
+#include "./support.-c"
+
+/*
+ * PAM framework looks for these entry-points to pass control to the
+ * authentication module.
+ */
+
+#include "./pam_unix_auth.-c"
+
+PAM_EXTERN int pam_sm_authenticate(pam_handle_t *pamh, int flags
+				   , int argc, const char **argv)
+{
+    unsigned int ctrl;
+    int retval;
+
+    D(("called."));
+
+    pwdb_start();
+    ctrl = set_ctrl(flags, argc, argv);
+    retval = _unix_auth( pamh, ctrl );
+    pwdb_end();
+
+    if ( on(UNIX_LIKE_AUTH, ctrl) ) {
+	D(("recording return code for next time [%d]", retval));
+	pam_set_data(pamh, "pwdb_setcred_return", (void *) &retval, NULL);
+    }
+
+    D(("done. [%s]", pam_strerror(pamh, retval)));
+
+    return retval;
+}
+
+PAM_EXTERN int pam_sm_setcred(pam_handle_t *pamh, int flags
+			      , int argc, const char **argv)
+{
+    unsigned int ctrl;
+    int retval;
+
+    D(("called."));
+
+    pwdb_start();
+    ctrl = set_ctrl(flags, argc, argv);
+    retval = _unix_set_credentials(pamh, ctrl);
+    pwdb_end();
+
+    if ( on(UNIX_LIKE_AUTH, ctrl) ) {
+	int *pretval = &retval;
+
+	D(("recovering return code from auth call"));
+	pam_get_data(pamh, "pwdb_setcred_return", (const void **) &pretval);
+	pam_set_data(pamh, "pwdb_setcred_return", NULL, NULL);
+	D(("recovered data indicates that old retval was %d", retval));
+    }
+
+    return retval;
+}
+
+/*
+ * PAM framework looks for these entry-points to pass control to the
+ * account management module.
+ */
+
+#include "./pam_unix_acct.-c"
+
+PAM_EXTERN int pam_sm_acct_mgmt(pam_handle_t *pamh, int flags,
+				int argc, const char **argv)
+{
+    unsigned int ctrl;
+    int retval;
+
+    D(("called."));
+
+    pwdb_start();
+    ctrl = set_ctrl(flags, argc, argv);
+    retval = _unix_acct_mgmt(pamh, ctrl);
+    pwdb_end();
+
+    D(("done."));
+
+    return retval;
+}
+
+/*
+ * PAM framework looks for these entry-points to pass control to the
+ * session module.
+ */
+ 
+#include "./pam_unix_sess.-c"
+
+PAM_EXTERN int pam_sm_open_session(pam_handle_t *pamh, int flags,
+				   int argc, const char **argv)
+{
+    unsigned int ctrl;
+    int retval;
+
+    D(("called."));
+
+    pwdb_start();
+    ctrl = set_ctrl(flags, argc, argv);
+    retval = _unix_open_session(pamh, ctrl);
+    pwdb_end();
+
+    return retval;
+}
+
+PAM_EXTERN int pam_sm_close_session(pam_handle_t *pamh, int flags,
+				    int argc, const char **argv)
+{
+    unsigned int ctrl;
+    int retval;
+
+    D(("called."));
+
+    pwdb_start();
+    ctrl = set_ctrl(flags, argc, argv);
+    retval = _unix_close_session(pamh, ctrl);
+    pwdb_end();
+
+    return retval;
+}
+
+/*
+ * PAM framework looks for these entry-points to pass control to the
+ * password changing module.
+ */
+ 
+#include "./pam_unix_passwd.-c"
+
+PAM_EXTERN int pam_sm_chauthtok(pam_handle_t *pamh, int flags,
+				int argc, const char **argv)
+{
+    unsigned int ctrl;
+    int retval;
+
+    D(("called."));
+
+    pwdb_start();
+    ctrl = set_ctrl(flags, argc, argv);
+    retval = _unix_chauthtok(pamh, ctrl);
+    pwdb_end();
+
+    D(("done."));
+
+    return retval;
+}
+
+/* static module data */
+
+#ifdef PAM_STATIC
+struct pam_module _pam_pwdb_modstruct = {
+     "pam_pwdb",
+     pam_sm_authenticate,
+     pam_sm_setcred,
+     pam_sm_acct_mgmt,
+     pam_sm_open_session,
+     pam_sm_close_session,
+     pam_sm_chauthtok
+};
+
+#endif
+
+/*
+ * Copyright (c) Andrew G. Morgan, 1996. All rights reserved
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, and the entire permission notice in its entirety,
+ *    including the disclaimer of warranties.
+ * 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.
+ * 
+ * ALTERNATIVELY, this product may be distributed under the terms of
+ * the GNU Public License, in which case the provisions of the GPL are
+ * required INSTEAD OF the above restrictions.  (This clause is
+ * necessary due to a potential bad interaction between the GPL and
+ * the restrictions contained in a BSD-style copyright.)
+ * 
+ * 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.
+ */