Index: client/1.0/pkgd.eagle
==================================================================
--- client/1.0/pkgd.eagle
+++ client/1.0/pkgd.eagle
@@ -87,10 +87,22 @@
       set downloadUri [string trim {
         ${baseUri}/pkgd_file?download&ci=trunk&filename=${fileName}
       }]
     }
 
+    #
+    # NOTE: The URI where the logout request should be sent.  This should
+    #       return a payload indicating that the logout was successful.
+    #
+    variable logoutUri; # DEFAULT: ${baseUri}/pkgd_logout?...
+
+    if {![info exists logoutUri]} then {
+      set logoutUri [string trim {
+        ${baseUri}/pkgd_logout?authToken=${authToken}
+      }]
+    }
+
     #
     # NOTE: The root directory where any persistent packages will be saved.
     #
     variable persistentRootDirectory; # DEFAULT: [getPersistentRootDirectory]
 
@@ -353,11 +365,56 @@
     #       response data.
     #
     set loginCookie [list $loginCookieName $authToken]
 
     #
-    # NOTE: Always return an empty string (i.e. and not the login data).
+    # NOTE: Always return an empty string (i.e. and not any response data).
+    #
+    return ""
+  }
+
+  proc logoutAndResetCookie {} {
+    variable baseUri
+    variable loginCookie
+    variable logoutUri
+
+    #
+    # NOTE: Attempt to verify that we are currently logged in.
+    #
+    if {![info exists loginCookie] || [llength $loginCookie] != 2} then {
+      error "missing or invalid login cookie"
+    }
+
+    #
+    # NOTE: Build the full URI for the logout request.
+    #
+    set authToken [lindex $loginCookie 1]
+    set uri [subst $logoutUri]
+
+    #
+    # NOTE: Reset the old login cookie, if any.  Then, issue a new login
+    #       request, capturing the raw response data.
+    #
+    set data [getPackageFile $uri]
+
+    #
+    # NOTE: Attempt to extract the necessary values from the raw response
+    #       data.
+    #
+    set pattern(1) {"name":"nobody"}; # TODO: *HACK* Keep updated.
+
+    if {![regexp -- $pattern(1) $data dummy]} then {
+      error "logout response missing \"name\""
+    }
+
+    #
+    # NOTE: Reset the login cookie.
+    #
+    set loginCookie [list]
+
+    #
+    # NOTE: Always return an empty string (i.e. and not any response data).
     #
     return ""
   }
 
   #

Index: client/1.0/pkgd.eagle.asc
==================================================================
--- client/1.0/pkgd.eagle.asc
+++ client/1.0/pkgd.eagle.asc
@@ -1,18 +1,18 @@
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 Version: GnuPG v2
 Comment: Eagle Package Repository
 
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Index: client/1.0/pkgd.eagle.harpy
==================================================================
--- client/1.0/pkgd.eagle.harpy
+++ client/1.0/pkgd.eagle.harpy
@@ -19,32 +19,32 @@
 <Certificate xmlns="https://eagle.to/2011/harpy"
              xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
              xmlns:xsd="http://www.w3.org/2001/XMLSchema">
   <Protocol>None</Protocol>
   <Vendor>Mistachkin Systems</Vendor>
-  <Id>e5f21c61-7d36-4135-ac77-068ef196d385</Id>
+  <Id>afab66f3-1284-40cc-bd79-85aa722faa85</Id>
   <HashAlgorithm>SHA512</HashAlgorithm>
   <EntityType>Script</EntityType>
-  <TimeStamp>2016-08-21T08:01:24.6709453Z</TimeStamp>
+  <TimeStamp>2016-08-21T21:15:42.2568828Z</TimeStamp>
   <Duration>-1.00:00:00</Duration>
   <Key>0x2c322765603b5278</Key>
   <Signature>
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 </Certificate>

Index: client/1.0/pkgd.eagle.harpy.asc
==================================================================
--- client/1.0/pkgd.eagle.harpy.asc
+++ client/1.0/pkgd.eagle.harpy.asc
@@ -1,18 +1,18 @@
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 Version: GnuPG v2
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