Add delete user page.

www/deleteuser.php3

+<?php
+include("defs.php3");
+
+#
+# Standard Testbed Header
+#
+PAGEHEADER("Delete User Account");
+
+#
+# Only known and logged in users allowed.
+#
+$uid = GETLOGIN();
+LOGGEDINORDIE($uid);
+
+#
+# Verify arguments.
+# 
+if (!isset($target_uid) ||
+    strcmp($target_uid, "") == 0) {
+    USERERROR("You must provide a User ID.", 1);
+}
+
+$isadmin = ISADMIN($uid);
+
+#
+# Confirm a real user
+# 
+$query_result = mysql_db_query($TBDBNAME,
+	"SELECT uid FROM users where uid='$target_uid'");
+if (! $query_result) {
+    $err = mysql_error();
+    TBERROR("Database Error getting user $target_uid: $err\n", 1);
+}
+if (mysql_num_rows($query_result) == 0) {
+    USERERROR("No such user '$target_uid'", 1);
+}
+
+#
+# Check user. We will eventually allow project leaders to do this.
+#
+if (!$isadmin) {
+    USERERROR("You do not have permission to remove user '$target_uid'", 1);
+}
+
+#
+# We run this twice. The first time we are checking for a confirmation
+# by putting up a form. The next time through the confirmation will be
+# set. Or, the user can hit the cancel button, in which case we should
+# probably redirect the browser back up a level.
+#
+if ($canceled) {
+    echo "<center><h2><br>
+          User Removal Canceled!
+          </h2></center>\n";
+    
+    PAGEFOOTER();
+    return;
+}
+
+if (!$confirmed) {
+    echo "<center><h2><br>
+          Are you <b>REALLY</b> sure you want to remove User '$target_uid?'
+          </h2>\n";
+    
+    echo "<form action=\"deleteuser.php3\" method=\"post\">";
+    echo "<input type=hidden name=target_uid value=\"$target_uid\">\n";
+    echo "<b><input type=submit name=confirmed value=Confirm></b>\n";
+    echo "<b><input type=submit name=canceled value=Cancel></b>\n";
+    echo "</form>\n";
+    echo "</center>\n";
+
+    PAGEFOOTER();
+    return;
+}
+
+if (!$confirmed_twice) {
+    echo "<center><h2><br>
+	  Okay, lets be sure.<br>
+          Are you <b>REALLY REALLY</b> sure you want to remove
+          User '$target_uid?'
+          </h2>\n";
+    
+    echo "<form action=\"deleteuser.php3\" method=\"post\">";
+    echo "<input type=hidden name=target_uid value=\"$target_uid\">\n";
+    echo "<input type=hidden name=confirmed value=Confirm>\n";
+    echo "<b><input type=submit name=confirmed_twice value=Confirm></b>\n";
+    echo "<b><input type=submit name=canceled value=Cancel></b>\n";
+    echo "</form>\n";
+    echo "</center>\n";
+
+    PAGEFOOTER();
+    return;
+}
+
+#
+# The project membership table needs to be cleansed.
+#
+$query_result = mysql_db_query($TBDBNAME,
+	"delete FROM proj_memb where uid='$target_uid'");
+if (! $query_result) {
+    $err = mysql_error();
+    TBERROR("Database Error removing $target_uid from project ".
+	    "membership table: $err\n", 1);
+}
+
+#
+# Then the users table,
+# 
+$query_result = mysql_db_query($TBDBNAME,
+	"delete FROM users where uid='$target_uid'");
+if (! $query_result) {
+    $err = mysql_error();
+    TBERROR("Database Error removing $target_uid from users table: ".
+	    "$err\n", 1);
+}
+
+#
+# Remove the user account from the control nodes.
+#
+SUEXEC($uid, "flux", "rmacct-ctrl_wrapper $target_uid", 0);
+
+#
+# Warm fuzzies.
+#
+echo "<center><h2>
+     User '$target_uid' has been removed with prejudice!
+     </h2></center>\n";
+
+#
+# Generate an email to the testbed list so we all know what happened.
+#
+$query_result = mysql_db_query($TBDBNAME,
+	"select usr_name,usr_email FROM users where uid='$uid'");
+$row = mysql_fetch_row($query_result);
+$uid_name  = $row[0];
+$uid_email = $row[1];
+
+mail($TBMAIL_CONTROL,
+     "TESTBED: User $target_uid removed",
+     "User '$target_uid' has been removed by $uid ($uid_name).\n\n".
+     "Please remember to remove the backup directory in /users\n\n",
+     "From: $uid_name <$uid_email>\n".
+     "Errors-To: $TBMAIL_WWW");
+
+#
+# Standard Testbed Footer
+# 
+PAGEFOOTER();
+?>

www/index.php3

@@ -96,30 +96,32 @@ if (isset($uid)) {
                      New Project Approval</A><p>\n";
             echo "<A href='nodecontrol_list.php3'>
                      Node Control</A><p>\n";
+	    echo "<A href='showuser_list.php3'>
+		     User List</A>\n";
+	    echo "<hr>\n";
         }
         if ($trusted) {
             # Only group leaders can do these options
             echo "<A href='approveuser_form.php3'>
-                     New User Approval</A>\n";
+                     New User Approval</A><p>\n";
         }
         # Since a user can be a member of more than one project,
         # display this option, and let the form decide if the user is
         # allowed to do this.
-        echo "<p><A href='showproject_list.php3'>
+        echo "<A href='showproject_list.php3'>
                     Project Information</A><p>\n";
-        echo "<p><A href='beginexp_form.php3'>
-                    Begin an Experiment</A>\n";
-        echo "<p><A href='endexp_list.php3'>
-                    End an Experiment</A>\n";
-        echo "<p><A href='showexp_list.php3'>
-                    Experiment Information</A>\n";
-        echo "<p><A href='modusr_form.php3'>
-                    Update user information</A>\n";
-        echo "<p><A href='reserved.php3'>
-                    Node Reservation Status</A>\n";
-        echo "<p><A href='http://www.cs.utah.edu/~danderse/dnard/status.html'>
-                    Node Up/Down Status</A>\n";
-        echo "</p>\n";
+        echo "<A href='beginexp_form.php3'>
+                    Begin an Experiment</A><p>\n";
+        echo "<A href='endexp_list.php3'>
+                    End an Experiment</A><p>\n";
+        echo "<A href='showexp_list.php3'>
+                    Experiment Information</A><p>\n";
+        echo "<A href='modusr_form.php3'>
+                    Update user information</A><p>\n";
+        echo "<A href='reserved.php3'>
+                    Node Reservation Status</A><p>\n";
+        echo "<A href='http://www.cs.utah.edu/~danderse/dnard/status.html'>
+                    Node Up/Down Status</A><p>\n";
     }
     elseif ($status == "unapproved") {
         USERERROR("Your account has not been approved yet. ".

www/showuser_list.php3

+<?php
+include("defs.php3");
+
+#
+# Standard Testbed Header
+#
+PAGEHEADER("Show User Information List");
+
+#
+#
+# Only known and logged in users allowed.
+#
+$uid = GETLOGIN();
+LOGGEDINORDIE($uid);
+
+#
+# Admin users can see all users, while normal users can only see
+# users in their projects.
+#
+$isadmin = ISADMIN($uid);
+
+#
+# Get the project list.
+#
+if ($isadmin) {
+    $query_result = mysql_db_query($TBDBNAME,
+	"SELECT u.* FROM users as u order by u.uid");
+}
+else {
+    $query_result = mysql_db_query($TBDBNAME,
+	"select distinct u.* from users as u ".
+	"left join proj_memb as p1 on u.uid=p1.uid ".
+	"left join proj_memb as p2 on p1.pid=p2.pid ".
+	"where p2.uid='$uid' order by u.uid");
+}
+if (! $query_result) {
+    $err = mysql_error();
+    TBERROR("Database Error getting user list: $err\n", 1);
+}
+
+if (mysql_num_rows($query_result) == 0) {
+	if ($isadmin) {
+	    USERERROR("There are no users!", 1);
+	}
+	else {
+	    USERERROR("There are no users in any of your projects!", 1);
+	}
+}
+
+echo "<center><h3>
+      User List
+      </h3></center>\n";
+
+echo "<table width=\"100%\" border=2 cellpadding=0 cellspacing=2
+       align='center'>\n";
+
+echo "<tr>
+          <td>UID</td>
+          <td>Name</td>
+          <td>Projects</td>\n";
+
+#
+# Admin users get a "delete" option.
+# 
+if ($isadmin) {
+    echo "<td align=center>Delete?</td>\n";
+}
+echo "</tr>\n";
+
+while ($row = mysql_fetch_array($query_result)) {
+    $thisuid  = $row[uid];
+    $name     = $row[usr_name];
+
+    #
+    # Suck out a list of projects too.
+    #
+    $projmemb_result = mysql_db_query($TBDBNAME,
+	"SELECT pid FROM proj_memb where uid='$thisuid' order by pid");
+
+    echo "<tr>
+              <td><A href='showuser.php3?target_uid=$thisuid'>$thisuid</A></td>
+              <td>$name</td>\n";
+
+    if ($count = mysql_num_rows($projmemb_result)) {
+	    echo "<td> ";
+	    while ($projrow = mysql_fetch_array($projmemb_result)) {
+		    $pid = $projrow[pid];
+		    echo "<A href='showproject.php3?pid=$pid'>$pid</A>";
+		    $count--;
+		    if ($count)
+			    echo ", ";
+	    }
+	    echo "</td>\n";
+    }
+    else {
+	    echo "<td>--</td>\n";
+    }
+
+    if ($isadmin) {
+	echo "<td align=center><A href='deleteuser.php3?target_uid=$thisuid'>
+                     <img alt=\"o\" src=\"redball.gif\"></A></td>\n";
+    }
+    echo "</tr>\n";
+}
+echo "</table>\n";
+
+#
+# Standard Testbed Footer
+# 
+PAGEFOOTER();
+?>