1 files changed, 116 insertions, 0 deletions
diff --git a/Linux-PAM/modules/pam_permit/pam_permit.c b/Linux-PAM/modules/pam_permit/pam_permit.c
new file mode 100644
index 00000000..d85f8d75
--- /dev/null
+++ b/Linux-PAM/modules/pam_permit/pam_permit.c
@@ -0,0 +1,116 @@
+/* pam_permit module */
+
+/*
+ * $Id: pam_permit.c,v 1.4 2005/09/17 08:50:29 t8m Exp $
+ *
+ * Written by Andrew Morgan <morgan@parc.power.net> 1996/3/11
+ *
+ */
+
+#include "config.h"
+
+#define DEFAULT_USER "nobody"
+
+#include <stdio.h>
+
+/*
+ * here, we make definitions for the externally accessible functions
+ * in this file (these definitions are required for static modules
+ * but strongly encouraged generally) they are used to instruct the
+ * modules include file to define their prototypes.
+ */
+
+#define PAM_SM_AUTH
+#define PAM_SM_ACCOUNT
+#define PAM_SM_SESSION
+#define PAM_SM_PASSWORD
+
+#include <security/pam_modules.h>
+#include <security/_pam_macros.h>
+
+/* --- authentication management functions --- */
+
+PAM_EXTERN int
+pam_sm_authenticate(pam_handle_t *pamh, int flags UNUSED,
+		    int argc UNUSED, const char **argv UNUSED)
+{
+    int retval;
+    const char *user=NULL;
+
+    /*
+     * authentication requires we know who the user wants to be
+     */
+    retval = pam_get_user(pamh, &user, NULL);
+    if (retval != PAM_SUCCESS) {
+	D(("get user returned error: %s", pam_strerror(pamh,retval)));
+	return retval;
+    }
+    if (user == NULL || *user == '\0') {
+	D(("username not known"));
+	retval = pam_set_item(pamh, PAM_USER, (const void *) DEFAULT_USER);
+	if (retval != PAM_SUCCESS)
+	    return PAM_USER_UNKNOWN;
+    }
+    user = NULL;                                            /* clean up */
+
+    return PAM_SUCCESS;
+}
+
+PAM_EXTERN int
+pam_sm_setcred(pam_handle_t *pamh UNUSED, int flags UNUSED,
+	       int argc UNUSED, const char **argv UNUSED)
+{
+     return PAM_SUCCESS;
+}
+
+/* --- account management functions --- */
+
+PAM_EXTERN int
+pam_sm_acct_mgmt(pam_handle_t *pamh UNUSED, int flags UNUSED,
+		 int argc UNUSED, const char **argv UNUSED)
+{
+     return PAM_SUCCESS;
+}
+
+/* --- password management --- */
+
+PAM_EXTERN int
+pam_sm_chauthtok(pam_handle_t *pamh UNUSED, int flags UNUSED,
+		 int argc UNUSED, const char **argv UNUSED)
+{
+     return PAM_SUCCESS;
+}
+
+/* --- session management --- */
+
+PAM_EXTERN int
+pam_sm_open_session(pam_handle_t *pamh UNUSED, int flags UNUSED,
+		    int argc UNUSED, const char **argv UNUSED)
+{
+    return PAM_SUCCESS;
+}
+
+PAM_EXTERN int
+pam_sm_close_session(pam_handle_t *pamh UNUSED, int flags UNUSED,
+		     int argc UNUSED, const char **argv UNUSED)
+{
+     return PAM_SUCCESS;
+}
+
+/* end of module definition */
+
+#ifdef PAM_STATIC
+
+/* static module data */
+
+struct pam_module _pam_permit_modstruct = {
+    "pam_permit",
+    pam_sm_authenticate,
+    pam_sm_setcred,
+    pam_sm_acct_mgmt,
+    pam_sm_open_session,
+    pam_sm_close_session,
+    pam_sm_chauthtok
+};
+
+#endif