--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/authenticate/authvmailmgr.cc	Wed Jan 16 22:39:43 2008 +0100
@@ -0,0 +1,107 @@
+// Copyright (C) 1999,2000 Bruce Guenter <bruceg@em.ca>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// 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; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+#include <config.h>
+#include "misc/exec.h"
+#include "authvlib.h"
+// Courier-IMAP includes
+#include "courier-authlib/auth.h"
+#include "courier-authlib/authmod.h"
+
+static mystring username;
+static mystring passcode;
+static mystring domain;
+static int global_argc;
+static char** global_argv;
+
+const mystring exec_presetuid = "authvmailmgr-presetuid";
+const mystring exec_postsetuid = "authvmailmgr-postsetuid";
+
+void fail(const char* msg, const char* execfile)
+{
+  presetenv("AUTHVMAILMGR_ERROR=", msg);
+  execute(execfile);
+}
+
+void fail_login(const char* msg)
+{
+  fail(msg, "authvmailmgr-loginfail");
+  authmod_fail_completely();
+}
+
+void fail_baddata(const char* msg)
+{
+  fail(msg, "authvmailmgr-error");
+  authmod_fail_completely();
+}
+
+void fail_temporary(const char* msg)
+{
+  fail(msg, "authvmailmgr-error");
+  authmod_fail_completely();
+}
+
+static void parse_data(const char* /*service*/, const char* authtype,
+		       const char* authdata, int /*issession*/)
+{
+  mystring_iter iter(authdata, '\n');
+  username = *iter;
+  ++iter;
+  passcode = *iter;
+
+  if(strcmp(authtype, AUTHTYPE_LOGIN))
+    fail_temporary("Invalid authentication type, must be 'login'");
+  if(!username || !passcode)
+    fail_baddata("Invalid authentication data");
+
+  set_domain(username, domain);
+}
+
+void auth_vmailmgr()
+{
+  user_data* udata = authenticate(username, passcode, domain, true);
+  if(!udata)
+    // This point is only reached if the domain is not virtual, in which
+    // case we pass the authentication on to the next module.
+    authmod_fail(global_argc, global_argv);
+
+  if(execute("authvmailmgr-presetuid"))
+    fail_temporary("Execution of authvmailmgr-presetuid failed");
+  
+  // authsuccess() set ups the environment, CWD, and GID/UID
+  authsuccess(udata->home.c_str(), 0, &udata->uid, &udata->gid,
+	      username.c_str(), 0);
+  presetenv("MAILDIR=", udata->maildir);
+
+  if(execute("authvmailmgr-postsetuid"))
+    fail_temporary("Execution of authvmailmgr-postsetuid failed");
+}
+
+int main(int argc, char **argv)
+{
+  global_argc = argc;
+  global_argv = argv;
+  
+  const char *service, *type;
+  char *authdata;
+
+  authmod_init(argc, argv, &service, &type, &authdata);
+  parse_data(service, type, authdata, 1);
+  auth_vmailmgr();
+  authmod_success(argc, argv, username.c_str());
+  return 0;
+}
+