Add ListMax for getting the maximum (and minimum) user ID and group ID

[invirt/packages/python-afs.git] / afs / _pts.pyx

diff --git a/afs/_pts.pyx b/afs/_pts.pyx
index c70f9e1..9eddbb0 100644 (file)
--- a/afs/_pts.pyx
+++ b/afs/_pts.pyx
@@ -12,10 +12,22 @@ cdef import from "afs/ptuser.h":
         unsigned int namelist_len
         prname *namelist_val
 
         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 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 count
+

     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_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)

@@ -23,31 +35,72 @@ cdef import from "afs/ptuser.h":
     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_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 *)

 
 cdef import from "afs/pterror.h":
     enum:
         PRNOENT
 
 cdef import from "afs/pterror.h":
     enum:
         PRNOENT

+        PRTOOMANY

 
     void initialize_PT_error_table()
 
 
     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 count
+
+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.count = c_entry.count
+    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.count = p_entry.count
+    return 0
+

 cdef class PTS:
 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
 
     def __cinit__(self, cell=None, sec=1):
     cdef ubik_client * client
 
     def __cinit__(self, cell=None, sec=1):

-        """
-        Open a connection to the protection server. 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 afs_int32 code
         cdef afsconf_dir *cdir
         cdef afsconf_cell info
         cdef afs_int32 code
         cdef afsconf_dir *cdir
         cdef afsconf_cell info

@@ -243,3 +296,128 @@ cdef class PTS:
         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))
         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):
+        """
+        Get the membership of an entity.
+
+        If id is a group ID, 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.
+
+        This returns a list of PTS IDs.
+        """
+        cdef afs_int32 code, over
+        cdef prlist alist
+        cdef int i
+        cdef object members = []
+
+        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, oid):
+        """
+        Get all groups owned by an entity.
+        """
+        cdef afs_int32 code, over
+        cdef prlist alist
+        cdef int i
+        cdef object owned = []
+
+        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, id):
+        """
+        Load a PTEntry instance with information about the provided
+        ID.
+        """
+        cdef afs_int32 code
+        cdef prcheckentry centry
+        cdef object entry = PTEntry()
+
+        code = ubik_PR_ListEntry(self.client, 0, id, &centry)
+        if code != 0:
+            raise Exception("Error getting entity info: %s" % afs_error_message(code))
+
+        _ptentry_from_c(entry, centry)
+        return entry
+
+    def ChangeEntry(self, id, 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
+
+        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, uid, gid):
+        """
+        Return True if the given uid is a member of the given gid.
+        """
+        cdef afs_int32 code
+        cdef afs_int32 flag
+
+        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)