X-Git-Url: http://xvm.mit.edu/gitweb/invirt/packages/python-afs.git/blobdiff_plain/5c39a9e0408e80b5b384a478ef9d8fcff1f04f77..562c4cd06e8c80fe088658a91dd63a3cb9e1fa8b:/afs/_pts.pyx diff --git a/afs/_pts.pyx b/afs/_pts.pyx index 5ba1c4f..511e9ee 100644 --- a/afs/_pts.pyx +++ b/afs/_pts.pyx @@ -4,7 +4,12 @@ cdef import from "afs/ptuser.h": enum: PR_MAXNAMELEN PRGRP + PRUSERS + PRGROUPS ANONYMOUSID + PR_SF_ALLBITS + PR_SF_NGROUPS + PR_SF_NUSERS ctypedef char prname[PR_MAXNAMELEN] @@ -20,6 +25,30 @@ cdef import from "afs/ptuser.h": unsigned int idlist_len afs_int32 *idlist_val + struct prcheckentry: + afs_int32 flags + afs_int32 id + afs_int32 owner + afs_int32 creator + afs_int32 ngroups + afs_int32 nusers + afs_int32 count + char name[PR_MAXNAMELEN] + + struct prlistentries: + afs_int32 flags + afs_int32 id + afs_int32 owner + afs_int32 creator + afs_int32 ngroups + afs_int32 nusers + afs_int32 count + char name[PR_MAXNAMELEN] + + struct prentries: + unsigned int prentries_len + prlistentries *prentries_val + int ubik_PR_NameToID(ubik_client *, afs_int32, namelist *, idlist *) int ubik_PR_IDToName(ubik_client *, afs_int32, idlist *, namelist *) int ubik_PR_INewEntry(ubik_client *, afs_int32, char *, afs_int32, afs_int32) @@ -29,13 +58,64 @@ cdef import from "afs/ptuser.h": int ubik_PR_RemoveFromGroup(ubik_client *, afs_int32, afs_int32, afs_int32) int ubik_PR_ListElements(ubik_client *, afs_int32, afs_int32, prlist *, afs_int32 *) int ubik_PR_ListOwned(ubik_client *, afs_int32, afs_int32, prlist *, afs_int32 *) + int ubik_PR_ListEntry(ubik_client *, afs_int32, afs_int32, prcheckentry *) + int ubik_PR_ChangeEntry(ubik_client *, afs_int32, afs_int32, char *, afs_int32, afs_int32) + int ubik_PR_IsAMemberOf(ubik_client *, afs_int32, afs_int32, afs_int32, afs_int32 *) + int ubik_PR_ListMax(ubik_client *, afs_int32, afs_int32 *, afs_int32 *) + int ubik_PR_SetMax(ubik_client *, afs_int32, afs_int32, afs_int32) + int ubik_PR_ListEntries(ubik_client *, afs_int32, afs_int32, afs_int32, prentries *, afs_int32 *) + int ubik_PR_SetFieldsEntry(ubik_client *, afs_int32, afs_int32, afs_int32, afs_int32, afs_int32, afs_int32, afs_int32, afs_int32) cdef import from "afs/pterror.h": enum: PRNOENT PRTOOMANY - void initialize_PT_error_table() +cdef class PTEntry: + cdef public afs_int32 flags + cdef public afs_int32 id + cdef public afs_int32 owner + cdef public afs_int32 creator + cdef public afs_int32 ngroups + cdef public afs_int32 nusers + cdef public afs_int32 count + cdef public object name + + def __repr__(self): + if self.name != '': + return '' % self.name + else: + return '' % self.id + +cdef int _ptentry_from_c(PTEntry p_entry, prcheckentry * c_entry) except -1: + if p_entry is None: + raise TypeError + return -1 + + p_entry.flags = c_entry.flags + p_entry.id = c_entry.id + p_entry.owner = c_entry.owner + p_entry.creator = c_entry.creator + p_entry.ngroups = c_entry.ngroups + p_entry.nusers = c_entry.nusers + p_entry.count = c_entry.count + p_entry.name = c_entry.name + return 0 + +cdef int _ptentry_to_c(prcheckentry * c_entry, PTEntry p_entry) except -1: + if p_entry is None: + raise TypeError + return -1 + + c_entry.flags = p_entry.flags + c_entry.id = p_entry.id + c_entry.owner = p_entry.owner + c_entry.creator = p_entry.creator + c_entry.ngroups = p_entry.ngroups + c_entry.nusers = p_entry.nusers + c_entry.count = p_entry.count + strncpy(c_entry.name, p_entry.name, sizeof(c_entry.name)) + return 0 cdef class PTS: """ @@ -130,6 +210,17 @@ cdef class PTS: 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. @@ -209,7 +300,7 @@ cdef class PTS: cdef afs_int32 code, cid name = name[:PR_MAXNAMELEN].lower() - oid = self.NameToId(owner) + oid = self.NameOrId(owner) if id is not None: cid = id @@ -221,45 +312,49 @@ cdef class PTS: raise Exception("Failed to create group: %s" % afs_error_message(code)) return cid - def Delete(self, id): + def Delete(self, ident): """ - Delete the protection database entry with the provided ID. + 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, uid, gid): + def AddToGroup(self, user, group): """ - Add the user with the given ID to the group with the given ID. + 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, uid, gid): + def RemoveFromGroup(self, user, group): """ - Remove the user with the given ID from the group with the given ID. + 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, id): + def ListMembers(self, ident): """ Get the membership of an entity. - If id is a group ID, this returns the users that are in that + If id is a group, this returns the users that are in that group. - If id is a user ID, this returns the list of groups that user - is on. + If id is a user, this returns the list of groups that user is + on. This returns a list of PTS IDs. """ @@ -268,6 +363,8 @@ cdef class PTS: cdef int i cdef object members = [] + cdef afs_int32 id = self.NameOrId(ident) + alist.prlist_len = 0 alist.prlist_val = NULL @@ -285,7 +382,7 @@ cdef class PTS: return members - def ListOwned(self, oid): + def ListOwned(self, owner): """ Get all groups owned by an entity. """ @@ -294,6 +391,8 @@ cdef class PTS: cdef int i cdef object owned = [] + cdef afs_int32 oid = self.NameOrId(owner) + alist.prlist_len = 0 alist.prlist_val = NULL @@ -310,3 +409,163 @@ cdef class PTS: 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, ¢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))