Setting tag nodemanager-1.8-39

[nodemanager.git] / api.py

diff --git a/api.py b/api.py
index 34f4823..c0e360f 100644 (file)
--- a/api.py
+++ b/api.py
@@ -17,6 +17,7 @@ import socket
 import struct
 import threading
 import xmlrpclib
+import sys
 
 import accounts
 import database
@@ -24,15 +25,18 @@ import logger
 import sliver_vs
 import ticket
 import tools
-
+from api_calls import *
+try:
+    sys.path.append("/etc/planetlab")
+    from plc_config import *
+except:
+    logger.log("api:  Warning: Configuration file /etc/planetlab/plc_config.py not found", 2)
+    PLC_SLICE_PREFIX="pl"
+    logger.log("api:  Warning: admin slice prefix set to %s" %(PLC_SLICE_PREFIX), 2)
 
 API_SERVER_PORT = 812
 UNIX_ADDR = '/tmp/sliver_mgr.api'
 
-deliver_ticket = None  # set in sm.py:start()
-
-from api_calls import *
-
 class APIRequestHandler(SimpleXMLRPCServer.SimpleXMLRPCRequestHandler):
     # overriding _dispatch to achieve this effect is officially deprecated,
     # but I can't figure out how to get access to .request without
@@ -58,19 +62,37 @@ class APIRequestHandler(SimpleXMLRPCServer.SimpleXMLRPCRequestHandler):
             SO_PEERCRED = 17
             sizeof_struct_ucred = 12
             ucred = self.request.getsockopt(socket.SOL_SOCKET, SO_PEERCRED, sizeof_struct_ucred)
-            xid = struct.unpack('3i', ucred)[2]
+            xid = struct.unpack('3i', ucred)[1]
             caller_name = pwd.getpwuid(xid)[0]
-            if method_name not in ('ReCreate', 'Help', 'Ticket', 'GetXIDs', 'GetSSHKeys'):
-                target_name = args[0]
+            # Special case the genicw
+            if caller_name == PLC_SLICE_PREFIX+"_sfacm":
+                try: result = method(*args)
+                except Exception, err: raise xmlrpclib.Fault(104, 'Error in call: %s' %err)
+            # Anyone can call these functions
+            elif method_name not in ('Help', 'Ticket', 'GetXIDs', 'GetSSHKeys'):
+                # Authenticate the caller if not in the above fncts.
+                if method_name == "GetRecord":
+                    target_name = caller_name
+                else:
+                    target_name = args[0]
+
+                # Gather target slice's object.
                 target_rec = database.db.get(target_name)
+
+                # only work on slivers or self.  Sannity check.
                 if not (target_rec and target_rec['type'].startswith('sliver.')): 
                     raise xmlrpclib.Fault(102, \
                         'Invalid argument: the first argument must be a sliver name.')
-                if not caller_name in (target_name, target_rec['delegations']):
-                    raise xmlrpclib.Fault(108, 'Permission denied.')
-                try: result = method(target_rec, *args[1:])
-                               except Exception, err: raise xmlrpclib.Fault(104, 'Error in call: %s' %err)
-            else: result = method(*args)
+
+                # only manipulate slivers who delegate you authority 
+                if caller_name in (target_name, target_rec['delegations']):
+                    try: result = method(target_rec, *args[1:])
+                    except Exception, err: raise xmlrpclib.Fault(104, 'Error in call: %s' %err)
+                else:
+                    raise xmlrpclib.Fault(108, '%s: Permission denied.' % caller_name)
+            else: # Execute anonymous call. 
+                try: result = method(*args)
+                except Exception, err: raise xmlrpclib.Fault(104, 'Error in call: %s' %err)
             if result == None: result = 1
             return result