Completely revamped the system for calling external programs and scripts:

* All external programs and scripts are now called by execve() on unix and
  CreateProcess on Windows.

* The system() function is no longer used.

* Argument lists for external programs and scripts are now built by the new
  argv_printf function which natively outputs to string arrays (i.e.
  char *argv[] lists), never truncates its output, and eliminates the security
  issues inherent in formatting and parsing command lines, and dealing with
  argument quoting.

* The --script-security directive has been added to offer policy controls on
  OpenVPN's execution of external programs and scripts.

Also added a new plugin example (openvpn/plugin/examples/log.c) that logs
information to stdout for every plugin method called by OpenVPN.


git-svn-id: http://svn.openvpn.net/projects/openvpn/branches/BETA21/openvpn@3122 e7ae566f-a301-0410-adde-c780ea21d3b5

1 files changed, 15 insertions, 0 deletions

diff --git a/win32.h b/win32.h
index 8cf8af2..b243bf2 100644
--- a/win32.h
+++ b/win32.h
@@ -28,6 +28,12 @@
 
 #include "mtu.h"
 
+/* location of executables */
+#define SYS_PATH_ENV_VAR_NAME "SystemRoot"  /* environmental variable name that normally contains the system path */
+#define DEFAULT_WIN_SYS_PATH  "C:\\WINDOWS" /* --win-sys default value */
+#define NETSH_PATH_SUFFIX     "\\system32\\netsh.exe"
+#define WIN_ROUTE_PATH_SUFFIX "\\system32\\route.exe"
+
 /*
  * Win32-specific OpenVPN code, targetted at the mingw
  * development environment.
@@ -250,5 +256,14 @@ bool init_security_attributes_allow_all (struct security_attributes *obj);
 /* return true if filename is safe to be used on Windows */
 bool win_safe_filename (const char *fn);
 
+/* add constant environmental variables needed by Windows */
+struct env_set;
+void env_set_add_win32 (struct env_set *es);
+
+/* get and set the current windows system path */
+void set_win_sys_path (const char *newpath, struct env_set *es);
+void set_win_sys_path_via_env (struct env_set *es);
+char *get_win_sys_path (void);
+
 #endif
 #endif