Clean up (and in some cases write) the PAM mudules, using

o The new options-processing API
o The new DEBUG-logging API

Add man(1) pages for ALL modules. MDOC-Police welcome
to check this.

Audit, clean up while I'm here.

1 files changed, 126 insertions, 0 deletions

diff --git a/lib/libpam/modules/pam_permit/pam_permit.c b/lib/libpam/modules/pam_permit/pam_permit.c
new file mode 100644
index 0000000..b02306c
--- /dev/null
+++ b/lib/libpam/modules/pam_permit/pam_permit.c
@@ -0,0 +1,126 @@
+/*-
+ * Copyright 2001 Mark R V Murray
+ * 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, 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.
+ *
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+#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>
+#include "pam_mod_misc.h"
+
+#define NOBODY "nobody"
+
+PAM_EXTERN int
+pam_sm_authenticate(pam_handle_t *pamh, int flags, int argc, const char **argv)
+{
+	struct options options;
+	int retval;
+	const char *user;
+
+	pam_std_option(&options, NULL, argc, argv);
+
+	PAM_LOG("Options processed");
+
+	/* We always need to know who the user is */
+	user = NULL;
+	retval = pam_get_user(pamh, &user, NULL);
+	if (retval != PAM_SUCCESS)
+		PAM_RETURN(retval);
+
+	PAM_LOG("Got user: %s", user);
+
+	if (user == NULL || *user == '\0')
+		pam_set_item(pamh, PAM_USER, (const void *)NOBODY);
+	user = NULL;
+
+	PAM_RETURN(PAM_SUCCESS);
+}
+
+PAM_EXTERN int
+pam_sm_setcred(pam_handle_t *pamh, int flags, int argc, const char **argv)
+{
+	struct options options;
+
+	pam_std_option(&options, NULL, argc, argv);
+
+	PAM_LOG("Options processed");
+
+	PAM_RETURN(PAM_SUCCESS);
+}
+
+PAM_EXTERN int
+pam_sm_acct_mgmt(pam_handle_t *pamh, int flags, int argc ,const char **argv)
+{
+	struct options options;
+
+	pam_std_option(&options, NULL, argc, argv);
+
+	PAM_LOG("Options processed");
+
+	PAM_RETURN(PAM_SUCCESS);
+}
+
+PAM_EXTERN int
+pam_sm_chauthtok(pam_handle_t *pamh, int flags, int argc, const char **argv)
+{
+	struct options options;
+
+	pam_std_option(&options, NULL, argc, argv);
+
+	PAM_LOG("Options processed");
+
+	PAM_RETURN(PAM_SUCCESS);
+}
+
+PAM_EXTERN int
+pam_sm_open_session(pam_handle_t *pamh, int flags, int argc, const char **argv)
+{
+	struct options options;
+
+	pam_std_option(&options, NULL, argc, argv);
+
+	PAM_LOG("Options processed");
+
+	PAM_RETURN(PAM_SUCCESS);
+}
+
+PAM_EXTERN int
+pam_sm_close_session(pam_handle_t *pamh, int flags, int argc, const char **argv)
+{
+	struct options options;
+
+	pam_std_option(&options, NULL, argc, argv);
+
+	PAM_LOG("Options processed");
+
+	PAM_RETURN(PAM_SUCCESS);
+}
+
+PAM_MODULE_ENTRY("pam_permit");