1 files changed, 87 insertions, 0 deletions
diff --git a/plugins/sudoers/auth/afs.c b/plugins/sudoers/auth/afs.c
new file mode 100644
index 0000000..29e9dde
--- /dev/null
+++ b/plugins/sudoers/auth/afs.c
@@ -0,0 +1,87 @@
+/*
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 1999, 2001-2005, 2007, 2010-2012, 2014-2015
+ *	Todd C. Miller <Todd.Miller@sudo.ws>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Sponsored in part by the Defense Advanced Research Projects
+ * Agency (DARPA) and Air Force Research Laboratory, Air Force
+ * Materiel Command, USAF, under agreement number F39502-99-1-0512.
+ */
+
+/*
+ * This is an open source non-commercial project. Dear PVS-Studio, please check it.
+ * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+ */
+
+#include <config.h>
+
+#ifdef HAVE_AFS
+
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <pwd.h>
+
+#include <afs/stds.h>
+#include <afs/kautils.h>
+
+#include "sudoers.h"
+#include "sudo_auth.h"
+#include "check.h"
+
+int
+sudo_afs_verify(struct passwd *pw, const char *pass, sudo_auth *auth, struct sudo_conv_callback *callback)
+{
+    struct ktc_encryptionKey afs_key;
+    struct ktc_token afs_token;
+    debug_decl(sudo_afs_verify, SUDOERS_DEBUG_AUTH);
+
+    if (IS_NONINTERACTIVE(auth))
+	debug_return_int(AUTH_NONINTERACTIVE);
+
+    /* Display lecture if needed and we haven't already done so. */
+    display_lecture(callback);
+
+    /* Try to just check the password */
+    ka_StringToKey(pass, NULL, &afs_key);
+    if (ka_GetAdminToken(pw->pw_name,		/* name */
+			 NULL,			/* instance */
+			 NULL,			/* realm */
+			 &afs_key,		/* key (contains password) */
+			 0,			/* lifetime */
+			 &afs_token,		/* token */
+			 0) == 0)		/* new */
+	debug_return_int(AUTH_SUCCESS);
+
+    /* Fall back on old method XXX - needed? */
+    setpag();
+    if (ka_UserAuthenticateGeneral(KA_USERAUTH_VERSION+KA_USERAUTH_DOSETPAG,
+				   pw->pw_name,	/* name */
+				   NULL,	/* instance */
+				   NULL,	/* realm */
+				   pass,	/* password */
+				   0,		/* lifetime */
+				   NULL,	/* expiration ptr (unused) */
+				   0,		/* spare */
+				   NULL) == 0)	/* reason */
+	debug_return_int(AUTH_SUCCESS);
+
+    debug_return_int(AUTH_FAILURE);
+}
+
+#endif HAVE_AFS