+ 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)
+
+ def _AfsToKrb5(self, afs_name):
+ """Convert an AFS principal to a Kerberos v5 one."""
+ cdef krb5_context ctx = NULL
+ cdef krb5_principal princ = NULL
+ cdef krb5_error_code code = 0
+ cdef char * krb5_princ = NULL
+ cdef char *name = NULL, *inst = NULL, *realm = NULL
+ cdef object pname, pinst, prealm
+
+ if '@' in afs_name:
+ pname, prealm = afs_name.rsplit('@', 1)
+ prealm = prealm.upper()
+ krb4_name = '%s@%s' % (pname, prealm)
+ else:
+ krb4_name = '%s@%s' % (afs_name, self.realm)
+
+ pname, pinst, prealm = kname_parse(krb4_name)
+ if pname:
+ name = pname
+ if pinst:
+ inst = pinst
+ if prealm:
+ realm = prealm
+
+ code = krb5_init_context(&ctx)
+ try:
+ pyafs_error(code)
+
+ code = krb5_425_conv_principal(ctx, name, inst, realm, &princ)
+ try:
+ pyafs_error(code)
+
+ code = krb5_unparse_name(ctx, princ, &krb5_princ)
+ try:
+ pyafs_error(code)
+
+ return krb5_princ
+ finally:
+ if krb5_princ is not NULL:
+ free(krb5_princ)
+ finally:
+ if princ is not NULL:
+ krb5_free_principal(ctx, princ)
+ finally:
+ if ctx is not NULL:
+ krb5_free_context(ctx)
+
+ def _Krb5ToAfs(self, krb5_name):
+ """Convert a Kerberos v5 principal to an AFS one."""
+ cdef krb5_context ctx = NULL
+ cdef krb5_principal k5_princ = NULL
+ cdef char *k4_name, *k4_inst, *k4_realm
+ cdef object afs_princ
+ cdef object afs_name, afs_realm
+
+ k4_name = <char *>malloc(40)
+ k4_name[0] = '\0'
+ k4_inst = <char *>malloc(40)
+ k4_inst[0] = '\0'
+ k4_realm = <char *>malloc(40)
+ k4_realm[0] = '\0'
+
+ code = krb5_init_context(&ctx)
+ try:
+ pyafs_error(code)
+
+ code = krb5_parse_name(ctx, krb5_name, &k5_princ)
+ try:
+ pyafs_error(code)
+
+ code = krb5_524_conv_principal(ctx, k5_princ, k4_name, k4_inst, k4_realm)
+ pyafs_error(code)
+
+ afs_princ = kname_unparse(k4_name, k4_inst, k4_realm)
+ afs_name, afs_realm = afs_princ.rsplit('@', 1)
+
+ if k4_realm == self.realm:
+ return afs_name
+ else:
+ return '%s@%s' % (afs_name, afs_realm.lower())
+ finally:
+ if k5_princ is not NULL:
+ krb5_free_principal(ctx, k5_princ)
+ finally:
+ if ctx is not NULL:
+ krb5_free_context(ctx)
projects / invirt/packages/python-afs.git / blobdiff