LCOV - code coverage report
Current view: top level - sm - certlist.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 3 239 1.3 %
Date: 2016-09-12 12:29:17 Functions: 1 15 6.7 %

          Line data    Source code
       1             : /* certlist.c - build list of certificates
       2             :  * Copyright (C) 2001, 2003, 2004, 2005, 2007,
       3             :  *               2008, 2011 Free Software Foundation, Inc.
       4             :  *
       5             :  * This file is part of GnuPG.
       6             :  *
       7             :  * GnuPG is free software; you can redistribute it and/or modify
       8             :  * it under the terms of the GNU General Public License as published by
       9             :  * the Free Software Foundation; either version 3 of the License, or
      10             :  * (at your option) any later version.
      11             :  *
      12             :  * GnuPG is distributed in the hope that it will be useful,
      13             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      14             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      15             :  * GNU General Public License for more details.
      16             :  *
      17             :  * You should have received a copy of the GNU General Public License
      18             :  * along with this program; if not, see <http://www.gnu.org/licenses/>.
      19             :  */
      20             : 
      21             : #include <config.h>
      22             : #include <stdio.h>
      23             : #include <stdlib.h>
      24             : #include <string.h>
      25             : #include <errno.h>
      26             : #include <unistd.h>
      27             : #include <time.h>
      28             : #include <assert.h>
      29             : 
      30             : #include "gpgsm.h"
      31             : #include <gcrypt.h>
      32             : #include <ksba.h>
      33             : 
      34             : #include "keydb.h"
      35             : #include "i18n.h"
      36             : 
      37             : 
      38             : static const char oid_kp_serverAuth[]     = "1.3.6.1.5.5.7.3.1";
      39             : static const char oid_kp_clientAuth[]     = "1.3.6.1.5.5.7.3.2";
      40             : static const char oid_kp_codeSigning[]    = "1.3.6.1.5.5.7.3.3";
      41             : static const char oid_kp_emailProtection[]= "1.3.6.1.5.5.7.3.4";
      42             : static const char oid_kp_timeStamping[]   = "1.3.6.1.5.5.7.3.8";
      43             : static const char oid_kp_ocspSigning[]    = "1.3.6.1.5.5.7.3.9";
      44             : 
      45             : /* Return 0 if the cert is usable for encryption.  A MODE of 0 checks
      46             :    for signing a MODE of 1 checks for encryption, a MODE of 2 checks
      47             :    for verification and a MODE of 3 for decryption (just for
      48             :    debugging).  MODE 4 is for certificate signing, MODE for COSP
      49             :    response signing. */
      50             : static int
      51           0 : cert_usage_p (ksba_cert_t cert, int mode)
      52             : {
      53             :   gpg_error_t err;
      54             :   unsigned int use;
      55             :   char *extkeyusages;
      56           0 :   int have_ocsp_signing = 0;
      57             : 
      58           0 :   err = ksba_cert_get_ext_key_usages (cert, &extkeyusages);
      59           0 :   if (gpg_err_code (err) == GPG_ERR_NO_DATA)
      60           0 :     err = 0; /* no policy given */
      61           0 :   if (!err)
      62             :     {
      63           0 :       unsigned int extusemask = ~0; /* Allow all. */
      64             : 
      65           0 :       if (extkeyusages)
      66             :         {
      67             :           char *p, *pend;
      68           0 :           int any_critical = 0;
      69             : 
      70           0 :           extusemask = 0;
      71             : 
      72           0 :           p = extkeyusages;
      73           0 :           while (p && (pend=strchr (p, ':')))
      74             :             {
      75           0 :               *pend++ = 0;
      76             :               /* Only care about critical flagged usages. */
      77           0 :               if ( *pend == 'C' )
      78             :                 {
      79           0 :                   any_critical = 1;
      80           0 :                   if ( !strcmp (p, oid_kp_serverAuth))
      81           0 :                     extusemask |= (KSBA_KEYUSAGE_DIGITAL_SIGNATURE
      82             :                                    | KSBA_KEYUSAGE_KEY_ENCIPHERMENT
      83             :                                    | KSBA_KEYUSAGE_KEY_AGREEMENT);
      84           0 :                   else if ( !strcmp (p, oid_kp_clientAuth))
      85           0 :                     extusemask |= (KSBA_KEYUSAGE_DIGITAL_SIGNATURE
      86             :                                    | KSBA_KEYUSAGE_KEY_AGREEMENT);
      87           0 :                   else if ( !strcmp (p, oid_kp_codeSigning))
      88           0 :                     extusemask |= (KSBA_KEYUSAGE_DIGITAL_SIGNATURE);
      89           0 :                   else if ( !strcmp (p, oid_kp_emailProtection))
      90           0 :                     extusemask |= (KSBA_KEYUSAGE_DIGITAL_SIGNATURE
      91             :                                    | KSBA_KEYUSAGE_NON_REPUDIATION
      92             :                                    | KSBA_KEYUSAGE_KEY_ENCIPHERMENT
      93             :                                    | KSBA_KEYUSAGE_KEY_AGREEMENT);
      94           0 :                   else if ( !strcmp (p, oid_kp_timeStamping))
      95           0 :                     extusemask |= (KSBA_KEYUSAGE_DIGITAL_SIGNATURE
      96             :                                    | KSBA_KEYUSAGE_NON_REPUDIATION);
      97             :                 }
      98             : 
      99             :               /* This is a hack to cope with OCSP.  Note that we do
     100             :                  not yet fully comply with the requirements and that
     101             :                  the entire CRL/OCSP checking thing should undergo a
     102             :                  thorough review and probably redesign. */
     103           0 :               if ( !strcmp (p, oid_kp_ocspSigning))
     104           0 :                 have_ocsp_signing = 1;
     105             : 
     106           0 :               if ((p = strchr (pend, '\n')))
     107           0 :                 p++;
     108             :             }
     109           0 :           xfree (extkeyusages);
     110           0 :           extkeyusages = NULL;
     111             : 
     112           0 :           if (!any_critical)
     113           0 :             extusemask = ~0; /* Reset to the don't care mask. */
     114             :         }
     115             : 
     116             : 
     117           0 :       err = ksba_cert_get_key_usage (cert, &use);
     118           0 :       if (gpg_err_code (err) == GPG_ERR_NO_DATA)
     119             :         {
     120           0 :           err = 0;
     121           0 :           if (opt.verbose && mode < 2)
     122           0 :             log_info (_("no key usage specified - assuming all usages\n"));
     123           0 :           use = ~0;
     124             :         }
     125             : 
     126             :       /* Apply extKeyUsage. */
     127           0 :       use &= extusemask;
     128             : 
     129             :     }
     130           0 :   if (err)
     131             :     {
     132           0 :       log_error (_("error getting key usage information: %s\n"),
     133             :                  gpg_strerror (err));
     134           0 :       xfree (extkeyusages);
     135           0 :       return err;
     136             :     }
     137             : 
     138           0 :   if (mode == 4)
     139             :     {
     140           0 :       if ((use & (KSBA_KEYUSAGE_KEY_CERT_SIGN)))
     141           0 :         return 0;
     142           0 :       log_info (_("certificate should not have "
     143             :                   "been used for certification\n"));
     144           0 :       return gpg_error (GPG_ERR_WRONG_KEY_USAGE);
     145             :     }
     146             : 
     147           0 :   if (mode == 5)
     148             :     {
     149           0 :       if (use != ~0
     150           0 :           && (have_ocsp_signing
     151           0 :               || (use & (KSBA_KEYUSAGE_KEY_CERT_SIGN
     152             :                          |KSBA_KEYUSAGE_CRL_SIGN))))
     153           0 :         return 0;
     154           0 :       log_info (_("certificate should not have "
     155             :                   "been used for OCSP response signing\n"));
     156           0 :       return gpg_error (GPG_ERR_WRONG_KEY_USAGE);
     157             :     }
     158             : 
     159           0 :   if ((use & ((mode&1)?
     160             :               (KSBA_KEYUSAGE_KEY_ENCIPHERMENT|KSBA_KEYUSAGE_DATA_ENCIPHERMENT):
     161             :               (KSBA_KEYUSAGE_DIGITAL_SIGNATURE|KSBA_KEYUSAGE_NON_REPUDIATION)))
     162             :       )
     163           0 :     return 0;
     164             : 
     165           0 :   log_info (mode==3? _("certificate should not have been used for encryption\n"):
     166             :             mode==2? _("certificate should not have been used for signing\n"):
     167             :             mode==1? _("certificate is not usable for encryption\n"):
     168             :                      _("certificate is not usable for signing\n"));
     169           0 :   return gpg_error (GPG_ERR_WRONG_KEY_USAGE);
     170             : }
     171             : 
     172             : 
     173             : /* Return 0 if the cert is usable for signing */
     174             : int
     175           0 : gpgsm_cert_use_sign_p (ksba_cert_t cert)
     176             : {
     177           0 :   return cert_usage_p (cert, 0);
     178             : }
     179             : 
     180             : 
     181             : /* Return 0 if the cert is usable for encryption */
     182             : int
     183           0 : gpgsm_cert_use_encrypt_p (ksba_cert_t cert)
     184             : {
     185           0 :   return cert_usage_p (cert, 1);
     186             : }
     187             : 
     188             : int
     189           0 : gpgsm_cert_use_verify_p (ksba_cert_t cert)
     190             : {
     191           0 :   return cert_usage_p (cert, 2);
     192             : }
     193             : 
     194             : int
     195           0 : gpgsm_cert_use_decrypt_p (ksba_cert_t cert)
     196             : {
     197           0 :   return cert_usage_p (cert, 3);
     198             : }
     199             : 
     200             : int
     201           0 : gpgsm_cert_use_cert_p (ksba_cert_t cert)
     202             : {
     203           0 :   return cert_usage_p (cert, 4);
     204             : }
     205             : 
     206             : int
     207           0 : gpgsm_cert_use_ocsp_p (ksba_cert_t cert)
     208             : {
     209           0 :   return cert_usage_p (cert, 5);
     210             : }
     211             : 
     212             : 
     213             : /* Return true if CERT has the well known private key extension.  */
     214             : int
     215           0 : gpgsm_cert_has_well_known_private_key (ksba_cert_t cert)
     216             : {
     217             :   int idx;
     218             :   const char *oid;
     219             : 
     220           0 :   for (idx=0; !ksba_cert_get_extension (cert, idx,
     221           0 :                                         &oid, NULL, NULL, NULL);idx++)
     222           0 :     if (!strcmp (oid, "1.3.6.1.4.1.11591.2.2.2") )
     223           0 :       return 1; /* Yes.  */
     224           0 :   return 0; /* No.  */
     225             : }
     226             : 
     227             : 
     228             : static int
     229           0 : same_subject_issuer (const char *subject, const char *issuer, ksba_cert_t cert)
     230             : {
     231           0 :   char *subject2 = ksba_cert_get_subject (cert, 0);
     232           0 :   char *issuer2 = ksba_cert_get_issuer (cert, 0);
     233             :   int tmp;
     234             : 
     235           0 :   tmp = (subject && subject2
     236           0 :          && !strcmp (subject, subject2)
     237           0 :          && issuer && issuer2
     238           0 :          && !strcmp (issuer, issuer2));
     239           0 :   xfree (subject2);
     240           0 :   xfree (issuer2);
     241           0 :   return tmp;
     242             : }
     243             : 
     244             : 
     245             : /* Return true if CERT_A is the same as CERT_B.  */
     246             : int
     247           0 : gpgsm_certs_identical_p (ksba_cert_t cert_a, ksba_cert_t cert_b)
     248             : {
     249             :   const unsigned char *img_a, *img_b;
     250             :   size_t len_a, len_b;
     251             : 
     252           0 :   img_a = ksba_cert_get_image (cert_a, &len_a);
     253           0 :   if (img_a)
     254             :     {
     255           0 :       img_b = ksba_cert_get_image (cert_b, &len_b);
     256           0 :       if (img_b && len_a == len_b && !memcmp (img_a, img_b, len_a))
     257           0 :         return 1; /* Identical. */
     258             :     }
     259           0 :   return 0;
     260             : }
     261             : 
     262             : 
     263             : /* Return true if CERT is already contained in CERTLIST. */
     264             : static int
     265           0 : is_cert_in_certlist (ksba_cert_t cert, certlist_t certlist)
     266             : {
     267             :   const unsigned char *img_a, *img_b;
     268             :   size_t len_a, len_b;
     269             : 
     270           0 :   img_a = ksba_cert_get_image (cert, &len_a);
     271           0 :   if (img_a)
     272             :     {
     273           0 :       for ( ; certlist; certlist = certlist->next)
     274             :         {
     275           0 :           img_b = ksba_cert_get_image (certlist->cert, &len_b);
     276           0 :           if (img_b && len_a == len_b && !memcmp (img_a, img_b, len_a))
     277           0 :             return 1; /* Already contained. */
     278             :         }
     279             :     }
     280           0 :   return 0;
     281             : }
     282             : 
     283             : 
     284             : /* Add CERT to the list of certificates at CERTADDR but avoid
     285             :    duplicates. */
     286             : int
     287           0 : gpgsm_add_cert_to_certlist (ctrl_t ctrl, ksba_cert_t cert,
     288             :                             certlist_t *listaddr, int is_encrypt_to)
     289             : {
     290             :   (void)ctrl;
     291             : 
     292           0 :   if (!is_cert_in_certlist (cert, *listaddr))
     293             :     {
     294           0 :       certlist_t cl = xtrycalloc (1, sizeof *cl);
     295           0 :       if (!cl)
     296           0 :         return out_of_core ();
     297           0 :       cl->cert = cert;
     298           0 :       ksba_cert_ref (cert);
     299           0 :       cl->next = *listaddr;
     300           0 :       cl->is_encrypt_to = is_encrypt_to;
     301           0 :       *listaddr = cl;
     302             :     }
     303           0 :    return 0;
     304             : }
     305             : 
     306             : /* Add a certificate to a list of certificate and make sure that it is
     307             :    a valid certificate.  With SECRET set to true a secret key must be
     308             :    available for the certificate. IS_ENCRYPT_TO sets the corresponding
     309             :    flag in the new create LISTADDR item.  */
     310             : int
     311           0 : gpgsm_add_to_certlist (ctrl_t ctrl, const char *name, int secret,
     312             :                        certlist_t *listaddr, int is_encrypt_to)
     313             : {
     314             :   int rc;
     315             :   KEYDB_SEARCH_DESC desc;
     316           0 :   KEYDB_HANDLE kh = NULL;
     317           0 :   ksba_cert_t cert = NULL;
     318             : 
     319           0 :   rc = classify_user_id (name, &desc, 0);
     320           0 :   if (!rc)
     321             :     {
     322           0 :       kh = keydb_new (0);
     323           0 :       if (!kh)
     324           0 :         rc = gpg_error (GPG_ERR_ENOMEM);
     325             :       else
     326             :         {
     327           0 :           int wrong_usage = 0;
     328           0 :           char *first_subject = NULL;
     329           0 :           char *first_issuer = NULL;
     330             : 
     331             :         get_next:
     332           0 :           rc = keydb_search (kh, &desc, 1);
     333           0 :           if (!rc)
     334           0 :             rc = keydb_get_cert (kh, &cert);
     335           0 :           if (!rc)
     336             :             {
     337           0 :               if (!first_subject)
     338             :                 {
     339             :                   /* Save the the subject and the issuer for key usage
     340             :                      and ambiguous name tests. */
     341           0 :                   first_subject = ksba_cert_get_subject (cert, 0);
     342           0 :                   first_issuer = ksba_cert_get_issuer (cert, 0);
     343             :                 }
     344           0 :               rc = secret? gpgsm_cert_use_sign_p (cert)
     345           0 :                          : gpgsm_cert_use_encrypt_p (cert);
     346           0 :               if (gpg_err_code (rc) == GPG_ERR_WRONG_KEY_USAGE)
     347             :                 {
     348             :                   /* There might be another certificate with the
     349             :                      correct usage, so we try again */
     350           0 :                   if (!wrong_usage)
     351             :                     { /* save the first match */
     352           0 :                       wrong_usage = rc;
     353           0 :                       ksba_cert_release (cert);
     354           0 :                       cert = NULL;
     355           0 :                       goto get_next;
     356             :                     }
     357           0 :                   else if (same_subject_issuer (first_subject, first_issuer,
     358             :                                                 cert))
     359             :                     {
     360           0 :                       wrong_usage = rc;
     361           0 :                       ksba_cert_release (cert);
     362           0 :                       cert = NULL;
     363           0 :                       goto get_next;
     364             :                     }
     365             :                   else
     366           0 :                     wrong_usage = rc;
     367             : 
     368             :                 }
     369             :             }
     370             :           /* We want the error code from the first match in this case. */
     371           0 :           if (rc && wrong_usage)
     372           0 :             rc = wrong_usage;
     373             : 
     374           0 :           if (!rc)
     375             :             {
     376           0 :               certlist_t dup_certs = NULL;
     377             : 
     378             :             next_ambigious:
     379           0 :               rc = keydb_search (kh, &desc, 1);
     380           0 :               if (rc == -1)
     381           0 :                 rc = 0;
     382           0 :               else if (!rc)
     383             :                 {
     384           0 :                   ksba_cert_t cert2 = NULL;
     385             : 
     386             :                   /* If this is the first possible duplicate, add the original
     387             :                      certificate to our list of duplicates.  */
     388           0 :                   if (!dup_certs)
     389           0 :                     gpgsm_add_cert_to_certlist (ctrl, cert, &dup_certs, 0);
     390             : 
     391             :                   /* We have to ignore ambigious names as long as
     392             :                      there only fault is a bad key usage.  This is
     393             :                      required to support encryption and signing
     394             :                      certificates of the same subject.
     395             : 
     396             :                      Further we ignore them if they are due to an
     397             :                      identical certificate (which may happen if a
     398             :                      certificate is accidential duplicated in the
     399             :                      keybox).  */
     400           0 :                   if (!keydb_get_cert (kh, &cert2))
     401             :                     {
     402           0 :                       int tmp = (same_subject_issuer (first_subject,
     403             :                                                       first_issuer,
     404             :                                                       cert2)
     405           0 :                                  && ((gpg_err_code (
     406           0 :                                       secret? gpgsm_cert_use_sign_p (cert2)
     407           0 :                                       : gpgsm_cert_use_encrypt_p (cert2)
     408             :                                       )
     409             :                                      )  == GPG_ERR_WRONG_KEY_USAGE));
     410           0 :                       if (tmp)
     411           0 :                         gpgsm_add_cert_to_certlist (ctrl, cert2,
     412             :                                                     &dup_certs, 0);
     413             :                       else
     414             :                         {
     415           0 :                           if (is_cert_in_certlist (cert2, dup_certs))
     416           0 :                             tmp = 1;
     417             :                         }
     418             : 
     419           0 :                       ksba_cert_release (cert2);
     420           0 :                       if (tmp)
     421           0 :                         goto next_ambigious;
     422             :                     }
     423           0 :                   rc = gpg_error (GPG_ERR_AMBIGUOUS_NAME);
     424             :                 }
     425           0 :               gpgsm_release_certlist (dup_certs);
     426             :             }
     427           0 :           xfree (first_subject);
     428           0 :           xfree (first_issuer);
     429           0 :           first_subject = NULL;
     430           0 :           first_issuer = NULL;
     431             : 
     432           0 :           if (!rc && !is_cert_in_certlist (cert, *listaddr))
     433             :             {
     434           0 :               if (!rc && secret)
     435             :                 {
     436             :                   char *p;
     437             : 
     438           0 :                   rc = gpg_error (GPG_ERR_NO_SECKEY);
     439           0 :                   p = gpgsm_get_keygrip_hexstring (cert);
     440           0 :                   if (p)
     441             :                     {
     442           0 :                       if (!gpgsm_agent_havekey (ctrl, p))
     443           0 :                         rc = 0;
     444           0 :                       xfree (p);
     445             :                     }
     446             :                 }
     447           0 :               if (!rc)
     448           0 :                 rc = gpgsm_validate_chain (ctrl, cert, "", NULL,
     449             :                                            0, NULL, 0, NULL);
     450           0 :               if (!rc)
     451             :                 {
     452           0 :                   certlist_t cl = xtrycalloc (1, sizeof *cl);
     453           0 :                   if (!cl)
     454           0 :                     rc = out_of_core ();
     455             :                   else
     456             :                     {
     457           0 :                       cl->cert = cert; cert = NULL;
     458           0 :                       cl->next = *listaddr;
     459           0 :                       cl->is_encrypt_to = is_encrypt_to;
     460           0 :                       *listaddr = cl;
     461             :                     }
     462             :                 }
     463             :             }
     464             :         }
     465             :     }
     466             : 
     467           0 :   keydb_release (kh);
     468           0 :   ksba_cert_release (cert);
     469           0 :   return rc == -1? gpg_error (GPG_ERR_NO_PUBKEY): rc;
     470             : }
     471             : 
     472             : 
     473             : void
     474           6 : gpgsm_release_certlist (certlist_t list)
     475             : {
     476          12 :   while (list)
     477             :     {
     478           0 :       certlist_t cl = list->next;
     479           0 :       ksba_cert_release (list->cert);
     480           0 :       xfree (list);
     481           0 :       list = cl;
     482             :     }
     483           6 : }
     484             : 
     485             : 
     486             : /* Like gpgsm_add_to_certlist, but look only for one certificate.  No
     487             :    chain validation is done.  If KEYID is not NULL it is taken as an
     488             :    additional filter value which must match the
     489             :    subjectKeyIdentifier. */
     490             : int
     491           0 : gpgsm_find_cert (const char *name, ksba_sexp_t keyid, ksba_cert_t *r_cert)
     492             : {
     493             :   int rc;
     494             :   KEYDB_SEARCH_DESC desc;
     495           0 :   KEYDB_HANDLE kh = NULL;
     496             : 
     497           0 :   *r_cert = NULL;
     498           0 :   rc = classify_user_id (name, &desc, 0);
     499           0 :   if (!rc)
     500             :     {
     501           0 :       kh = keydb_new (0);
     502           0 :       if (!kh)
     503           0 :         rc = gpg_error (GPG_ERR_ENOMEM);
     504             :       else
     505             :         {
     506             :         nextone:
     507           0 :           rc = keydb_search (kh, &desc, 1);
     508           0 :           if (!rc)
     509             :             {
     510           0 :               rc = keydb_get_cert (kh, r_cert);
     511           0 :               if (!rc && keyid)
     512             :                 {
     513             :                   ksba_sexp_t subj;
     514             : 
     515           0 :                   rc = ksba_cert_get_subj_key_id (*r_cert, NULL, &subj);
     516           0 :                   if (!rc)
     517             :                     {
     518           0 :                       if (cmp_simple_canon_sexp (keyid, subj))
     519             :                         {
     520           0 :                           xfree (subj);
     521           0 :                           goto nextone;
     522             :                         }
     523           0 :                       xfree (subj);
     524             :                       /* Okay: Here we know that the certificate's
     525             :                          subjectKeyIdentifier matches the requested
     526             :                          one. */
     527             :                     }
     528           0 :                   else if (gpg_err_code (rc) == GPG_ERR_NO_DATA)
     529           0 :                     goto nextone;
     530             :                 }
     531             :             }
     532             : 
     533             :           /* If we don't have the KEYID filter we need to check for
     534             :              ambigious search results.  Note, that it is somehwat
     535             :              reasonable to assume that a specification of a KEYID
     536             :              won't lead to ambiguous names. */
     537           0 :           if (!rc && !keyid)
     538             :             {
     539             :             next_ambiguous:
     540           0 :               rc = keydb_search (kh, &desc, 1);
     541           0 :               if (rc == -1)
     542           0 :                 rc = 0;
     543             :               else
     544             :                 {
     545           0 :                   if (!rc)
     546             :                     {
     547           0 :                       ksba_cert_t cert2 = NULL;
     548             : 
     549           0 :                       if (!keydb_get_cert (kh, &cert2))
     550             :                         {
     551           0 :                           if (gpgsm_certs_identical_p (*r_cert, cert2))
     552             :                             {
     553           0 :                               ksba_cert_release (cert2);
     554           0 :                               goto next_ambiguous;
     555             :                             }
     556           0 :                           ksba_cert_release (cert2);
     557             :                         }
     558           0 :                       rc = gpg_error (GPG_ERR_AMBIGUOUS_NAME);
     559             :                     }
     560           0 :                   ksba_cert_release (*r_cert);
     561           0 :                   *r_cert = NULL;
     562             :                 }
     563             :             }
     564             :         }
     565             :     }
     566             : 
     567           0 :   keydb_release (kh);
     568           0 :   return rc == -1? gpg_error (GPG_ERR_NO_PUBKEY): rc;
     569             : }

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