X-Git-Url: http://xvm.mit.edu/gitweb/invirt/packages/python-afs.git/blobdiff_plain/7f4b67d7f215fd22223ced8526783cd45f7b0e29..16d5c40686b30eb0b488df53c8cdaf625cddc173:/afs/_pts.pyx

diff --git a/afs/_pts.pyx b/afs/_pts.pyx
index 6678418..9ecf0e3 100644
--- a/afs/_pts.pyx
+++ b/afs/_pts.pyx
@@ -1,13 +1,135 @@
-cimport afs as a
+from afs cimport *
+
+cdef import from "afs/ptuser.h":
+    enum:
+        PR_MAXNAMELEN
+
+    ctypedef char prname[PR_MAXNAMELEN]
+
+    struct namelist:
+        unsigned int namelist_len
+        prname *namelist_val
+
+    struct idlist:
+        unsigned int idlist_len
+        afs_int32 *idlist_val
+
+    int ubik_PR_NameToID(ubik_client *, afs_int32, namelist *, idlist *)
+    int ubik_PR_IDToName(ubik_client *, afs_int32, idlist *, namelist *)
 
 cdef class PTS:
-    cdef a.ubik_client * client
-    
-    def __cinit__(self):
-        cdef a.afs_int32 code
-        
+    cdef ubik_client * client
+
+    def __cinit__(self, cell=None, sec=1):
+        cdef afs_int32 code
+        cdef afsconf_dir *cdir
+        cdef afsconf_cell info
+        cdef char * c_cell
+        cdef ktc_principal prin
+        cdef ktc_token token
+        cdef rx_securityClass *sc
+        cdef rx_connection *serverconns[MAXSERVERS]
+        cdef int i
+
+        if cell is None:
+            c_cell = NULL
+        else:
+            c_cell = cell
+
         self.client = NULL
-        
-        code = a.rx_Init(0)
+
+        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" % afs_error_message(code))
+
+        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" % afs_error_message(code))
+                sec = 0
+            else:
+                if sec == 3:
+                    level = rxkad_crypt
+                else:
+                    level = rxkad_clear
+                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,
+                                              info.hostAddr[i].sin_port,
+                                              PRSRV,
+                                              sc,
+                                              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))
+
+        code = rxs_Release(sc)
+
+    def __dealloc__(self):
+        ubik_ClientDestroy(self.client)
+        rx_Finalize()
+
+    def NameToId(self, name):
+        cdef namelist lnames
+        cdef idlist lids
+        cdef afs_int32 code, id
+        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 code != 0:
+            raise Exception("Failed to lookup PTS name: %s" % afs_error_message(code))
+        return id
+
+    def IdToName(self, id):
+        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 code != 0:
-            raise Exception(str(code))
+            raise Exception("Failed to lookup PTS ID: %s" % afs_error_message(code))
+        return name