X-Git-Url: http://xvm.mit.edu/gitweb/invirt/packages/python-afs.git/blobdiff_plain/c16288e834009b59936443ce4e73e9afd147bb01..2e97ddf70212f0eafac514ceb516da4bcf6da703:/afs/_pts.pyx diff --git a/afs/_pts.pyx b/afs/_pts.pyx index 9eddbb0..c18ef0f 100644 --- a/afs/_pts.pyx +++ b/afs/_pts.pyx @@ -1,10 +1,16 @@ from afs cimport * +from afs import pyafs_error 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] @@ -26,7 +32,23 @@ cdef import from "afs/ptuser.h": 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 *) @@ -41,23 +63,32 @@ cdef import from "afs/ptuser.h": 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: +cdef int _ptentry_from_c(PTEntry p_entry, prcheckentry * c_entry) except -1: if p_entry is None: raise TypeError return -1 @@ -67,7 +98,9 @@ cdef int _ptentry_from_c(PTEntry p_entry, prcheckentry c_entry) except -1: 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: @@ -80,7 +113,9 @@ cdef int _ptentry_to_c(prcheckentry * c_entry, PTEntry p_entry) except -1: 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: @@ -130,8 +165,7 @@ cdef class PTS: "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)) + pyafs_error(code) if sec > 0: strncpy(prin.cell, info.name, sizeof(prin.cell)) @@ -142,7 +176,7 @@ cdef class PTS: 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)) + pyafs_error(code) sec = 0 else: if sec == 3: @@ -167,8 +201,7 @@ cdef class PTS: 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)) + pyafs_error(code) code = rxs_Release(sc) @@ -176,6 +209,17 @@ 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. @@ -196,8 +240,7 @@ cdef class PTS: free(lids.idlist_val) if id == ANONYMOUSID: code = PRNOENT - if code != 0: - raise Exception("Failed to lookup PTS name: %s" % afs_error_message(code)) + pyafs_error(code) return id def IdToName(self, id): @@ -222,8 +265,7 @@ cdef class PTS: 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)) + pyafs_error(code) return name def CreateUser(self, name, id=None): @@ -243,8 +285,7 @@ cdef class PTS: 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)) + pyafs_error(code) return cid def CreateGroup(self, name, owner, id=None): @@ -255,7 +296,7 @@ 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 @@ -263,49 +304,49 @@ cdef class PTS: 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)) + pyafs_error(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)) + pyafs_error(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)) + pyafs_error(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)) + pyafs_error(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. """ @@ -314,6 +355,8 @@ cdef class PTS: cdef int i cdef object members = [] + cdef afs_int32 id = self.NameOrId(ident) + alist.prlist_len = 0 alist.prlist_val = NULL @@ -326,12 +369,11 @@ cdef class PTS: if over: code = PRTOOMANY - if code != 0: - raise Exception("Failed to get group membership: %s" % afs_error_message(code)) + pyafs_error(code) return members - def ListOwned(self, oid): + def ListOwned(self, owner): """ Get all groups owned by an entity. """ @@ -340,6 +382,8 @@ cdef class PTS: cdef int i cdef object owned = [] + cdef afs_int32 oid = self.NameOrId(owner) + alist.prlist_len = 0 alist.prlist_val = NULL @@ -352,28 +396,28 @@ cdef class PTS: if over: code = PRTOOMANY - if code != 0: - raise Exception("Failed to get owned entities: %s" % afs_error_message(code)) + pyafs_error(code) return owned - def ListEntry(self, id): + def ListEntry(self, ident): """ Load a PTEntry instance with information about the provided - ID. + 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)) + pyafs_error(code) - _ptentry_from_c(entry, centry) + _ptentry_from_c(entry, ¢ry) return entry - def ChangeEntry(self, id, newname=None, newid=None, newoid=None): + def ChangeEntry(self, ident, newname=None, newid=None, newoid=None): """ Change the name, ID, and/or owner of a PTS entity. @@ -384,6 +428,8 @@ cdef class PTS: 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 @@ -393,19 +439,19 @@ cdef class PTS: 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)) + pyafs_error(code) - def IsAMemberOf(self, uid, gid): + def IsAMemberOf(self, user, group): """ - Return True if the given uid is a member of the given gid. + 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)) + pyafs_error(code) return bool(flag) @@ -417,7 +463,91 @@ cdef class PTS: 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)) + pyafs_error(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) + pyafs_error(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) + pyafs_error(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) + pyafs_error(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) + pyafs_error(code)