+ raise Exception(code, "Error initializing Rx")
+
+ cdir = afsconf_Open(AFSDIR_CLIENT_ETC_DIRPATH)
+ if cdir is NULL:
+ raise OSError(errno,
+ "Error opening configuration directory (%s): %s" % \
+ (AFSDIR_CLIENT_ETC_DIRPATH, strerror(errno)))
+ code = afsconf_GetCellInfo(cdir, c_cell, "afsprot", &info)
+ if code != 0:
+ raise Exception(code, "GetCellInfo: %s" % afs_error_message(code))
+
+ if sec > 0:
+ strncpy(prin.cell, info.name, sizeof(prin.cell))
+ prin.instance[0] = 0
+ strncpy(prin.name, "afs", sizeof(prin.name))
+
+ code = ktc_GetToken(&prin, &token, sizeof(token), NULL);
+ if code != 0:
+ if sec >= 2:
+ # No really - we wanted authentication
+ raise Exception(code, "Failed to get token for service AFS: %s" % afs_error_message(code))
+ sec = 0
+ else:
+ if sec == 3:
+ level = rxkad_crypt
+ else:
+ level = rxkad_clear
+ sc = rxkad_NewClientSecurityObject(level, &token.sessionKey,
+ token.kvno, token.ticketLen,
+ token.ticket)
+
+ if sec == 0:
+ sc = rxnull_NewClientSecurityObject()
+ else:
+ sec = 2
+
+ memset(serverconns, 0, sizeof(serverconns))
+ for 0 <= i < info.numServers:
+ serverconns[i] = rx_NewConnection(info.hostAddr[i].sin_addr.s_addr,
+ info.hostAddr[i].sin_port,
+ PRSRV,
+ sc,
+ sec)
+
+ code = ubik_ClientInit(serverconns, &self.client)
+ if code != 0:
+ raise Exception("Failed to initialize ubik connection to Protection server: %s" % afs_error_message(code))
+
+ code = rxs_Release(sc)
+
+ def __dealloc__(self):
+ ubik_ClientDestroy(self.client)
+ rx_Finalize()
+
+ def NameOrId(self, ident):
+ """
+ Given an identifier, convert it to a PTS ID by looking up the
+ name if it's a string, or otherwise just converting it to an
+ integer.
+ """
+ if isinstance(ident, (str, unicode)):
+ return self.NameToId(ident)
+ else:
+ return int(ident)
+
+ def NameToId(self, name):
+ """
+ Converts a user or group to an AFS ID.
+ """
+ cdef namelist lnames
+ cdef idlist lids
+ cdef afs_int32 code, id
+ name = name.lower()
+
+ lids.idlist_len = 0
+ lids.idlist_val = NULL
+ lnames.namelist_len = 1
+ lnames.namelist_val = <prname *>malloc(PR_MAXNAMELEN)
+ strncpy(lnames.namelist_val[0], name, PR_MAXNAMELEN)
+ code = ubik_PR_NameToID(self.client, 0, &lnames, &lids)
+ if lids.idlist_val is not NULL:
+ id = lids.idlist_val[0]
+ free(lids.idlist_val)
+ if id == ANONYMOUSID:
+ code = PRNOENT
+ if code != 0:
+ raise Exception("Failed to lookup PTS name: %s" % afs_error_message(code))
+ return id
+
+ def IdToName(self, id):
+ """
+ Convert an AFS ID to the name of a user or group.
+ """
+ cdef namelist lnames
+ cdef idlist lids
+ cdef afs_int32 code
+ cdef char name[PR_MAXNAMELEN]
+
+ lids.idlist_len = 1
+ lids.idlist_val = <afs_int32 *>malloc(sizeof(afs_int32))
+ lids.idlist_val[0] = id
+ lnames.namelist_len = 0
+ lnames.namelist_val = NULL
+ code = ubik_PR_IDToName(self.client, 0, &lids, &lnames)
+ if lnames.namelist_val is not NULL:
+ strncpy(name, lnames.namelist_val[0], sizeof(name))
+ free(lnames.namelist_val)
+ if lids.idlist_val is not NULL:
+ free(lids.idlist_val)
+ if name == str(id):
+ code = PRNOENT
+ if code != 0:
+ raise Exception("Failed to lookup PTS ID: %s" % afs_error_message(code))
+ return name
+
+ def CreateUser(self, name, id=None):
+ """
+ Create a new user in the protection database. If an ID is
+ provided, that one will be used.
+ """
+ cdef afs_int32 code
+ cdef afs_int32 cid
+ name = name[:PR_MAXNAMELEN].lower()
+
+ if id is not None:
+ cid = id
+
+ if id is not None:
+ code = ubik_PR_INewEntry(self.client, 0, name, cid, 0)
+ else:
+ code = ubik_PR_NewEntry(self.client, 0, name, 0, 0, &cid)
+
+ if code != 0:
+ raise Exception("Failed to create user: %s" % afs_error_message(code))
+ return cid
+
+ def CreateGroup(self, name, owner, id=None):
+ """
+ Create a new group in the protection database. If an ID is
+ provided, that one will be used.
+ """
+ cdef afs_int32 code, cid
+
+ name = name[:PR_MAXNAMELEN].lower()
+ oid = self.NameOrId(owner)
+
+ if id is not None:
+ cid = id
+ code = ubik_PR_INewEntry(self.client, 0, name, cid, oid)
+ else:
+ code = ubik_PR_NewEntry(self.client, 0, name, PRGRP, oid, &cid)
+
+ if code != 0:
+ raise Exception("Failed to create group: %s" % afs_error_message(code))
+ return cid
+
+ def Delete(self, ident):
+ """
+ Delete the protection database entry with the provided
+ identifier.
+ """
+ cdef afs_int32 code
+ cdef afs_int32 id = self.NameOrId(ident)
+
+ code = ubik_PR_Delete(self.client, 0, id)
+ if code != 0:
+ raise Exception("Failed to delete user: %s" % afs_error_message(code))
+
+ def AddToGroup(self, user, group):
+ """
+ Add the given user to the given group.
+ """
+ cdef afs_int32 code
+ cdef afs_int32 uid = self.NameOrId(user), gid = self.NameOrId(group)
+
+ code = ubik_PR_AddToGroup(self.client, 0, uid, gid)
+ if code != 0:
+ raise Exception("Failed to add user to group: %s" % afs_error_message(code))
+
+ def RemoveFromGroup(self, user, group):
+ """
+ Remove the given user from the given group.
+ """
+ cdef afs_int32 code
+ cdef afs_int32 uid = self.NameOrId(user), gid = self.NameOrId(group)
+
+ code = ubik_PR_RemoveFromGroup(self.client, 0, uid, gid)
+ if code != 0:
+ raise Exception("Failed to remove user from group: %s" % afs_error_message(code))
+
+ def ListMembers(self, ident):
+ """
+ Get the membership of an entity.
+
+ If id is a group, this returns the users that are in that
+ group.
+
+ If id is a user, this returns the list of groups that user is
+ on.
+
+ This returns a list of PTS IDs.
+ """
+ cdef afs_int32 code, over
+ cdef prlist alist
+ cdef int i
+ cdef object members = []
+
+ cdef afs_int32 id = self.NameOrId(ident)
+
+ alist.prlist_len = 0
+ alist.prlist_val = NULL
+
+ code = ubik_PR_ListElements(self.client, 0, id, &alist, &over)
+
+ if alist.prlist_val is not NULL:
+ for i in range(alist.prlist_len):
+ members.append(alist.prlist_val[i])
+ free(alist.prlist_val)
+
+ if over:
+ code = PRTOOMANY
+ if code != 0:
+ raise Exception("Failed to get group membership: %s" % afs_error_message(code))
+
+ return members
+
+ def ListOwned(self, owner):
+ """
+ Get all groups owned by an entity.
+ """
+ cdef afs_int32 code, over
+ cdef prlist alist
+ cdef int i
+ cdef object owned = []
+
+ cdef afs_int32 oid = self.NameOrId(owner)
+
+ alist.prlist_len = 0
+ alist.prlist_val = NULL
+
+ code = ubik_PR_ListOwned(self.client, 0, oid, &alist, &over)
+
+ if alist.prlist_val is not NULL:
+ for i in range(alist.prlist_len):
+ owned.append(alist.prlist_val[i])
+ free(alist.prlist_val)
+
+ if over:
+ code = PRTOOMANY
+ if code != 0:
+ raise Exception("Failed to get owned entities: %s" % afs_error_message(code))
+
+ return owned
+
+ def ListEntry(self, ident):
+ """
+ Load a PTEntry instance with information about the provided
+ entity.
+ """
+ cdef afs_int32 code
+ cdef prcheckentry centry
+ cdef object entry = PTEntry()
+
+ cdef afs_int32 id = self.NameOrId(ident)
+
+ code = ubik_PR_ListEntry(self.client, 0, id, ¢ry)
+ if code != 0:
+ raise Exception("Error getting entity info: %s" % afs_error_message(code))
+
+ _ptentry_from_c(entry, ¢ry)
+ return entry
+
+ def ChangeEntry(self, ident, newname=None, newid=None, newoid=None):
+ """
+ Change the name, ID, and/or owner of a PTS entity.
+
+ For any of newname, newid, and newoid which aren't specified
+ or ar None, the value isn't changed.
+ """
+ cdef afs_int32 code
+ cdef afs_int32 c_newid = 0, c_newoid = 0
+ cdef char * c_newname
+
+ cdef afs_int32 id = self.NameOrId(ident)
+
+ if newname is None:
+ newname = self.IdToName(id)
+ c_newname = newname
+ if newid is not None:
+ c_newid = newid
+ if newoid is not None:
+ c_newoid = newoid
+
+ code = ubik_PR_ChangeEntry(self.client, 0, id, c_newname, c_newoid, c_newid)
+ if code != 0:
+ raise Exception("Error changing entity info: %s" % afs_error_message(code))
+
+ def IsAMemberOf(self, user, group):
+ """
+ Return True if the given user is a member of the given group.
+ """
+ cdef afs_int32 code
+ cdef afs_int32 flag
+
+ cdef afs_int32 uid = self.NameOrId(user), gid = self.NameOrId(group)
+
+ code = ubik_PR_IsAMemberOf(self.client, 0, uid, gid, &flag)
+ if code != 0:
+ raise Exception("Error testing membership: %s" % afs_error_message(code))
+
+ return bool(flag)
+
+ def ListMax(self):
+ """
+ Return a tuple of the maximum user ID and the maximum group
+ ID currently assigned.
+ """
+ cdef afs_int32 code, uid, gid
+
+ code = ubik_PR_ListMax(self.client, 0, &uid, &gid)
+ if code != 0:
+ raise Exception("Error looking up max uid/gid: %s" % afs_error_message(code))
+
+ return (uid, gid)
+
+ def SetMaxUserId(self, id):
+ """
+ Set the maximum currently assigned user ID (the next
+ automatically assigned UID will be id + 1)
+ """
+ cdef afs_int32 code
+
+ code = ubik_PR_SetMax(self.client, 0, id, 0)
+ if code != 0:
+ raise Exception("Error setting max uid: %s" % afs_error_message(code))
+
+ def SetMaxGroupId(self, id):
+ """
+ Set the maximum currently assigned user ID (the next
+ automatically assigned UID will be id + 1)
+ """
+ cdef afs_int32 code
+
+ code = ubik_PR_SetMax(self.client, 0, id, PRGRP)
+ if code != 0:
+ raise Exception("Error setting max gid: %s" % afs_error_message(code))
+
+ def ListEntries(self, users=None, groups=None):
+ """
+ Return a list of PTEntry instances representing all entries in
+ the PRDB.
+
+ Returns just users by default, but can return just users, just
+ groups, or both.
+ """
+ cdef afs_int32 code
+ cdef afs_int32 flag = 0, startindex = 0, nentries, nextstartindex
+ cdef prentries centries
+ cdef unsigned int i
+
+ cdef object entries = []
+
+ if groups is None or users is True:
+ flag |= PRUSERS
+ if groups:
+ flag |= PRGROUPS
+
+ while startindex != -1:
+ centries.prentries_val = NULL
+ centries.prentries_len = 0
+ nextstartindex = -1
+
+ code = ubik_PR_ListEntries(self.client, 0, flag, startindex, ¢ries, &nextstartindex)
+ if centries.prentries_val is not NULL:
+ for i in range(centries.prentries_len):
+ e = PTEntry()
+ _ptentry_from_c(e, <prcheckentry *>¢ries.prentries_val[i])
+ entries.append(e)
+ free(centries.prentries_val)
+ if code != 0:
+ raise Exception("Unable to list entries: %s" % afs_error_message(code))
+
+ startindex = nextstartindex
+
+ return entries
+
+ def SetFields(self, ident, access=None, groups=None, users=None):
+ """
+ Update the fields for an entry.
+
+ Valid fields are the privacy flags (access), the group quota
+ (groups), or the "foreign user quota" (users), which doesn't
+ actually seem to do anything, but is included for
+ completeness.
+ """
+ cdef afs_int32 code
+ cdef afs_int32 mask = 0, flags = 0, nusers = 0, ngroups = 0
+
+ cdef afs_int32 id = self.NameOrId(ident)
+
+ if access is not None:
+ flags = access
+ mask |= PR_SF_ALLBITS
+ if groups is not None:
+ ngroups = groups
+ mask |= PR_SF_NGROUPS
+ if users is not None:
+ nusers = users
+ mask |= PR_SF_NGROUPS
+
+ code = ubik_PR_SetFieldsEntry(self.client, 0, id, mask, flags, ngroups, nusers, 0, 0)
+ if code != 0:
+ raise Exception("Unable to set fields: %s" % afs_error_message(code))