1 files changed, 66 insertions, 0 deletions
diff --git a/src/plugins/auth-pam/utils.h b/src/plugins/auth-pam/utils.h
new file mode 100644
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+++ b/src/plugins/auth-pam/utils.h
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+/*
+ *  OpenVPN -- An application to securely tunnel IP networks
+ *             over a single TCP/UDP port, with support for SSL/TLS-based
+ *             session authentication and key exchange,
+ *             packet encryption, packet authentication, and
+ *             packet compression.
+ *
+ *  Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program (see the file COPYING included with this
+ *  distribution); if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef _PLUGIN_AUTH_PAM_UTILS__H
+#define _PLUGIN_AUTH_PAM_UTILS__H
+
+/**
+ *  Read 'tosearch', replace all occurences of 'searchfor' with 'replacewith' and return
+ *  a pointer to the NEW string.  Does not modify the input strings.  Will not enter an
+ *  infinite loop with clever 'searchfor' and 'replacewith' strings.
+ *
+ *  @author Daniel Johnson - Progman2000@usa.net / djohnson@progman.us
+ *
+ *  @param tosearch      haystack to search in
+ *  @param searchfor     needle to search for in the haystack
+ *  @param replacewith   when a match is found, replace needle with this string
+ *
+ *  @return Retuns NULL when any parameter is NULL or the worst-case result is to large ( >= SIZE_MAX).
+ *          Otherwise it returns a pointer to a new buffer containing the modified input
+ */
+char *
+searchandreplace(const char *tosearch, const char *searchfor, const char *replacewith);
+
+/**
+ * Given an environmental variable name, search
+ * the envp array for its value
+ *
+ * @param name  Environment variable to look up
+ * @param envp  Environment variable table with all key/value pairs
+ *
+ * @return Returns a pointer to the value of the enviroment variable if found, otherwise NULL is returned.
+ */
+const char *
+get_env (const char *name, const char *envp[]);
+
+/**
+ * Return the length of a string array
+ *
+ * @param array   Pointer to the array to calculate size of
+ *
+ */
+int
+string_array_len (const char *array[]);
+
+#endif