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]
+
+ struct namelist:
+ unsigned int namelist_len
+ prname *namelist_val
+
+ struct prlist:
+ unsigned int prlist_len
+ afs_int32 *prlist_val
+
+ struct idlist:
+ 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)
+ int ubik_PR_NewEntry(ubik_client *, afs_int32, char *, afs_int32, afs_int32, afs_int32 *)
+ int ubik_PR_Delete(ubik_client *, afs_int32, afs_int32)
+ int ubik_PR_AddToGroup(ubik_client *, afs_int32, afs_int32, afs_int32)
+ 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
+
+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 '<PTEntry: %s>' % self.name
+ else:
+ return '<PTEntry: PTS ID %s>' % 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:
+ """
+ A PTS object is essentially a handle to talk to the server in a
+ given cell.
+
+ cell defaults to None. If no argument is passed for cell, PTS
+ connects to the home cell.
+
+ sec is the security level, an integer from 0 to 3:
+ - 0: unauthenticated connection
+ - 1: try authenticated, then fall back to unauthenticated
+ - 2: fail if an authenticated connection can't be established
+ - 3: same as 2, plus encrypt all traffic to the protection
+ server
+ """
cdef ubik_client * client
-
+ cdef readonly object cell
+
def __cinit__(self, cell=None, sec=1):
cdef afs_int32 code
cdef afsconf_dir *cdir
cdef rx_securityClass *sc
cdef rx_connection *serverconns[MAXSERVERS]
cdef int i
-
+
+ initialize_PT_error_table()
+
if cell is None:
c_cell = NULL
else:
c_cell = cell
-
+
self.client = NULL
-
+
code = rx_Init(0)
if code != 0:
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" % error_message(code))
-
+ pyafs_error(code)
+
+ self.cell = info.name
+
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" % error_message(code))
+ pyafs_error(code)
sec = 0
else:
if sec == 3:
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,
PRSRV,
sc,
sec)
-
+
code = ubik_ClientInit(serverconns, &self.client)
- if code != 0:
- raise Exception("Failed to initialize ubik connection to Protection server: %s" % error_message(code))
-
+ pyafs_error(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 = ANONYMOUSID
+ 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
+ pyafs_error(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
+ pyafs_error(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)
+
+ pyafs_error(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)
+
+ pyafs_error(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)
+ pyafs_error(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)
+ pyafs_error(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)
+ pyafs_error(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
+ pyafs_error(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
+ pyafs_error(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)
+ pyafs_error(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)
+ pyafs_error(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)
+ pyafs_error(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)
+ 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, <prcheckentry *>¢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)
projects / invirt/packages/python-afs.git / blobdiff