1 files changed, 95 insertions, 0 deletions
diff --git a/lib/libpam/modules/pam_opieaccess/pam_opieaccess.c b/lib/libpam/modules/pam_opieaccess/pam_opieaccess.c
new file mode 100644
index 0000000..0351115
--- /dev/null
+++ b/lib/libpam/modules/pam_opieaccess/pam_opieaccess.c
@@ -0,0 +1,95 @@
+/*-
+ * Copyright (c) 2002 Networks Associates Technology, Inc.
+ * All rights reserved.
+ *
+ * This software was developed for the FreeBSD Project by ThinkSec AS and
+ * NAI Labs, the Security Research Division of Network Associates, Inc.
+ * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
+ * DARPA CHATS research program.
+ *
+ * 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, this list of conditions and the following disclaimer.
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#define _BSD_SOURCE
+
+#include <sys/types.h>
+#include <opie.h>
+#include <pwd.h>
+#include <unistd.h>
+#include <syslog.h>
+
+#define PAM_SM_AUTH
+
+#include <security/pam_appl.h>
+#include <security/pam_modules.h>
+#include <security/pam_mod_misc.h>
+
+PAM_EXTERN int
+pam_sm_authenticate(pam_handle_t *pamh, int flags __unused,
+    int argc __unused, const char *argv[] __unused)
+{
+	struct opie opie;
+	struct passwd *pwent;
+	const void *luser, *rhost;
+	int r;
+
+	r = pam_get_item(pamh, PAM_USER, &luser);
+	if (r != PAM_SUCCESS)
+		return (r);
+	if (luser == NULL)
+		return (PAM_SERVICE_ERR);
+
+	pwent = getpwnam(luser);
+	if (pwent == NULL || opielookup(&opie, __DECONST(char *, luser)) != 0)
+		return (PAM_SUCCESS);
+
+	r = pam_get_item(pamh, PAM_RHOST, &rhost);
+	if (r != PAM_SUCCESS)
+		return (r);
+	if (rhost == NULL || *(const char *)rhost == '\0')
+		rhost = openpam_get_option(pamh, "allow_local") ?
+		    "" : "localhost";
+
+	if (opieaccessfile(__DECONST(char *, rhost)) != 0 &&
+	    opiealways(pwent->pw_dir) != 0)
+		return (PAM_SUCCESS);
+
+	PAM_VERBOSE_ERROR("Refused; remote host is not in opieaccess");
+
+	return (PAM_AUTH_ERR);
+}
+
+PAM_EXTERN int
+pam_sm_setcred(pam_handle_t *pamh __unused, int flags __unused,
+    int argc __unused, const char *argv[] __unused)
+{
+
+	return (PAM_SUCCESS);
+}
+
+PAM_MODULE_ENTRY("pam_opieaccess");