Print this page
NEX-17849 idmap fails to lookup group SID in AD
Reviewed by: Gordon Ross <gordon.ross@nexenta.com>


   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 
  22 /*
  23  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.


  24  */
  25 
  26 /*
  27  * Processes name2sid & sid2name batched lookups for a given user or
  28  * computer from an AD Directory server using GSSAPI authentication
  29  */
  30 
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33 #include <alloca.h>
  34 #include <string.h>
  35 #include <strings.h>
  36 #include <lber.h>
  37 #include <ldap.h>
  38 #include <sasl/sasl.h>
  39 #include <string.h>
  40 #include <ctype.h>
  41 #include <pthread.h>
  42 #include <synch.h>
  43 #include <atomic.h>
  44 #include <errno.h>
  45 #include <assert.h>
  46 #include <limits.h>
  47 #include <time.h>
  48 #include <sys/u8_textprep.h>
  49 #include "libadutils.h"
  50 #include "nldaputils.h"
  51 #include "idmapd.h"
  52 
  53 /* Attribute names and filter format strings */
  54 #define SAN             "sAMAccountName"
  55 #define OBJSID          "objectSid"
  56 #define OBJCLASS        "objectClass"
  57 #define UIDNUMBER       "uidNumber"
  58 #define GIDNUMBER       "gidNumber"
  59 #define UIDNUMBERFILTER "(&(objectclass=user)(uidNumber=%u))"
  60 #define GIDNUMBERFILTER "(&(objectclass=group)(gidNumber=%u))"
  61 #define SANFILTER       "(sAMAccountName=%s)"
  62 #define OBJSIDFILTER    "(objectSid=%s)"
  63 
  64 void    idmap_ldap_res_search_cb(LDAP *ld, LDAPMessage **res, int rc,
  65                 int qid, void *argp);
  66 
  67 /*
  68  * A place to put the results of a batched (async) query
  69  *
  70  * There is one of these for every query added to a batch object
  71  * (idmap_query_state, see below).
  72  */
  73 typedef struct idmap_q {
  74         /*
  75          * data used for validating search result entries for name->SID
  76          * lookups
  77          */
  78         char                    *ecanonname;    /* expected canon name */
  79         char                    *edomain;       /* expected domain name */
  80         idmap_id_type           esidtype;       /* expected SID type */
  81         /* results */
  82         char                    **canonname;    /* actual canon name */


 775         int             ret;
 776         char            *filter;
 777         char            cbinsid[ADUTILS_MAXHEXBINSID + 1];
 778 
 779         /*
 780          * Strategy: search [the global catalog] for user/group by
 781          * objectSid = SID with empty base DN.  The DN, sAMAccountName
 782          * and objectClass of the result are all we need to figure out
 783          * the name of the SID and whether it is a user, a group or a
 784          * computer.
 785          */
 786 
 787         if (!adutils_lookup_check_sid_prefix(state->qs, sid))
 788                 return (IDMAP_ERR_DOMAIN_NOTFOUND);
 789 
 790         ret = adutils_txtsid2hexbinsid(sid, rid, &cbinsid[0], sizeof (cbinsid));
 791         if (ret != 0)
 792                 return (IDMAP_ERR_SID);
 793 
 794         /* Assemble filter */
 795         (void) asprintf(&filter, OBJSIDFILTER, cbinsid);
 796         if (filter == NULL)
 797                 return (IDMAP_ERR_MEMORY);
 798 
 799         retcode = idmap_batch_add1(state, filter, NULL, NULL, esidtype,
 800             dn, attr, value, name, dname, NULL, NULL, sid_type, unixname,
 801             pid, rc);
 802 
 803         free(filter);
 804 
 805         return (retcode);
 806 }
 807 
 808 idmap_retcode
 809 idmap_unixname2sid_batch_add1(idmap_query_state_t *state,
 810         const char *unixname, int is_user, int is_wuser,
 811         char **dn, char **attr, char **value,
 812         char **sid, rid_t *rid, char **name,
 813         char **dname, idmap_id_type *sid_type, idmap_retcode *rc)
 814 {
 815         idmap_retcode   retcode;




   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 
  22 /*
  23  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  24  *
  25  * Copyright 2018 Nexenta Systems, Inc.  All rights reserved.
  26  */
  27 
  28 /*
  29  * Processes name2sid & sid2name batched lookups for a given user or
  30  * computer from an AD Directory server using GSSAPI authentication
  31  */
  32 
  33 #include <stdio.h>
  34 #include <stdlib.h>
  35 #include <alloca.h>
  36 #include <string.h>
  37 #include <strings.h>
  38 #include <lber.h>
  39 #include <ldap.h>
  40 #include <sasl/sasl.h>
  41 #include <string.h>
  42 #include <ctype.h>
  43 #include <pthread.h>
  44 #include <synch.h>
  45 #include <atomic.h>
  46 #include <errno.h>
  47 #include <assert.h>
  48 #include <limits.h>
  49 #include <time.h>
  50 #include <sys/u8_textprep.h>
  51 #include "libadutils.h"
  52 #include "nldaputils.h"
  53 #include "idmapd.h"
  54 
  55 /* Attribute names and filter format strings */
  56 #define SAN             "sAMAccountName"
  57 #define OBJSID          "objectSid"
  58 #define OBJCLASS        "objectClass"
  59 #define UIDNUMBER       "uidNumber"
  60 #define GIDNUMBER       "gidNumber"
  61 #define UIDNUMBERFILTER "(&(objectclass=user)(uidNumber=%u))"
  62 #define GIDNUMBERFILTER "(&(objectclass=group)(gidNumber=%u))"
  63 #define SANFILTER       "(sAMAccountName=%s)"
  64 #define OBJSIDFILTER    "(|(objectSid=%s)(sIDHistory=%s))"
  65 
  66 void    idmap_ldap_res_search_cb(LDAP *ld, LDAPMessage **res, int rc,
  67                 int qid, void *argp);
  68 
  69 /*
  70  * A place to put the results of a batched (async) query
  71  *
  72  * There is one of these for every query added to a batch object
  73  * (idmap_query_state, see below).
  74  */
  75 typedef struct idmap_q {
  76         /*
  77          * data used for validating search result entries for name->SID
  78          * lookups
  79          */
  80         char                    *ecanonname;    /* expected canon name */
  81         char                    *edomain;       /* expected domain name */
  82         idmap_id_type           esidtype;       /* expected SID type */
  83         /* results */
  84         char                    **canonname;    /* actual canon name */


 777         int             ret;
 778         char            *filter;
 779         char            cbinsid[ADUTILS_MAXHEXBINSID + 1];
 780 
 781         /*
 782          * Strategy: search [the global catalog] for user/group by
 783          * objectSid = SID with empty base DN.  The DN, sAMAccountName
 784          * and objectClass of the result are all we need to figure out
 785          * the name of the SID and whether it is a user, a group or a
 786          * computer.
 787          */
 788 
 789         if (!adutils_lookup_check_sid_prefix(state->qs, sid))
 790                 return (IDMAP_ERR_DOMAIN_NOTFOUND);
 791 
 792         ret = adutils_txtsid2hexbinsid(sid, rid, &cbinsid[0], sizeof (cbinsid));
 793         if (ret != 0)
 794                 return (IDMAP_ERR_SID);
 795 
 796         /* Assemble filter */
 797         (void) asprintf(&filter, OBJSIDFILTER, cbinsid, cbinsid);
 798         if (filter == NULL)
 799                 return (IDMAP_ERR_MEMORY);
 800 
 801         retcode = idmap_batch_add1(state, filter, NULL, NULL, esidtype,
 802             dn, attr, value, name, dname, NULL, NULL, sid_type, unixname,
 803             pid, rc);
 804 
 805         free(filter);
 806 
 807         return (retcode);
 808 }
 809 
 810 idmap_retcode
 811 idmap_unixname2sid_batch_add1(idmap_query_state_t *state,
 812         const char *unixname, int is_user, int is_wuser,
 813         char **dn, char **attr, char **value,
 814         char **sid, rid_t *rid, char **name,
 815         char **dname, idmap_id_type *sid_type, idmap_retcode *rc)
 816 {
 817         idmap_retcode   retcode;