Flatten and clean up.

1 files changed, 83 insertions, 0 deletions

diff --git a/lib/pam_getenv.c b/lib/pam_getenv.c
new file mode 100644
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--- /dev/null
+++ b/lib/pam_getenv.c
@@ -0,0 +1,83 @@
+/*-
+ * Copyright (c) 2002-2003 Networks Associates Technology, Inc.
+ * Copyright (c) 2004-2007 Dag-Erling Smørgrav
+ * All rights reserved.
+ *
+ * This software was developed for the FreeBSD Project by ThinkSec AS and
+ * Network Associates Laboratories, 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.
+ *
+ * $Id: pam_getenv.c 408 2007-12-21 11:36:24Z des $
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <security/pam_appl.h>
+
+#include "openpam_impl.h"
+
+/*
+ * XSSO 4.2.1
+ * XSSO 6 page 44
+ *
+ * Retrieve the value of a PAM environment variable
+ */
+
+const char *
+pam_getenv(pam_handle_t *pamh,
+	const char *name)
+{
+	char *str;
+	int i;
+
+	ENTERS(name);
+	if (pamh == NULL)
+		RETURNS(NULL);
+	if (name == NULL || strchr(name, '=') != NULL)
+		RETURNS(NULL);
+	if ((i = openpam_findenv(pamh, name, strlen(name))) < 0)
+		RETURNS(NULL);
+	for (str = pamh->env[i]; *str != '\0'; ++str) {
+		if (*str == '=') {
+			++str;
+			break;
+		}
+	}
+	RETURNS(str);
+}
+
+/**
+ * The =pam_getenv function returns the value of an environment variable.
+ * Its semantics are similar to those of =getenv, but it accesses the PAM
+ * context's environment list instead of the application's.
+ *
+ * >pam_getenvlist
+ * >pam_putenv
+ * >pam_setenv
+ */