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s3:libads: Remove specifier for 'host' principal from 'sync machine password to keytab'
authorPavel Filipenský <pfilipensky@samba.org>
Fri, 14 Feb 2025 16:28:54 +0000 (17:28 +0100)
committerJule Anger <janger@samba.org>
Mon, 17 Feb 2025 09:53:26 +0000 (09:53 +0000)
Use specifier 'spn_prefixes=host' instead of 'host'

BUG: https://bugzilla.samba.org/show_bug.cgi?id=15759

Signed-off-by: Pavel Filipenský <pfilipensky@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
(cherry picked from commit ccc3b2b2fba7b5d223c79bffc0f655490aed19cf)

selftest/target/Samba3.pm patch | blob | blame | history
source3/libads/kerberos_keytab.c patch | blob | blame | history
source3/script/tests/test_update_keytab.sh patch | blob | blame | history

diff --git a/selftest/target/Samba3.pm b/selftest/target/Samba3.pm
index cc4498ff36e3ec55d1051dc6839014544b0f935b..6650690fbb7e0d26f3921b5e8c38c7f200a450aa 100755 (executable)
--- a/selftest/target/Samba3.pm
+++ b/selftest/target/Samba3.pm
@@ -804,11 +804,11 @@ sub provision_ad_member
        \"$prefix_abs/keytab0k:account_name:sync_kvno:machine_password:sync_etypes\", \\
        \"$prefix_abs/keytab1:sync_spns:machine_password:sync_etypes\", \\
        \"$prefix_abs/keytab1k:sync_spns:sync_kvno:machine_password:sync_etypes\", \\
-       \"$prefix_abs/keytab2:spn_prefixes=imap,smtp:additional_dns_hostnames:netbios_aliases:machine_password:sync_etypes\", \\
-       \"$prefix_abs/keytab2k:spn_prefixes=imap,smtp:additional_dns_hostnames:sync_kvno:machine_password:sync_etypes\", \\
+       \"$prefix_abs/keytab2:spn_prefixes=host,imap,smtp:additional_dns_hostnames:netbios_aliases:machine_password:sync_etypes\", \\
+       \"$prefix_abs/keytab2k:spn_prefixes=host,imap,smtp:additional_dns_hostnames:sync_kvno:machine_password:sync_etypes\", \\
        \"$prefix_abs/keytab3:spns=wurst/brot\@$dcvars->{REALM}:machine_password:sync_etypes\", \\
        \"$prefix_abs/keytab3k:spns=wurst/brot\@$dcvars->{REALM},wurst1/brot\@$dcvars->{REALM},wurst2/brot\@$dcvars->{REALM}:sync_kvno:machine_password:sync_etypes\", \\
-       \"$prefix_abs/keytab4k:account_name:sync_account_name:spn_prefixes=imap,smtp:additional_dns_hostnames:netbios_aliases:spns=wurst/brot\@$dcvars->{REALM},wurst1/brot\@$dcvars->{REALM},wurst2/brot\@$dcvars->{REALM}:sync_kvno:machine_password:sync_etypes\"
+       \"$prefix_abs/keytab4k:account_name:sync_account_name:spn_prefixes=host,imap,smtp:additional_dns_hostnames:netbios_aliases:spns=wurst/brot\@$dcvars->{REALM},wurst1/brot\@$dcvars->{REALM},wurst2/brot\@$dcvars->{REALM}:sync_kvno:machine_password:sync_etypes\"
        ";
        }
 
diff --git a/source3/libads/kerberos_keytab.c b/source3/libads/kerberos_keytab.c
index 619a7bda0d49703ce0d1b5739ec40ca7dcef229e..5913db299adfdc4cb97cff7735437906b7ee8f48 100644 (file)
--- a/source3/libads/kerberos_keytab.c
+++ b/source3/libads/kerberos_keytab.c
@@ -44,7 +44,6 @@
 enum spn_spec_type {
        SPN_SPEC_ACCOUNT_NAME,
        SPN_SPEC_SYNC_ACCOUNT_NAME,
-       SPN_SPEC_HOST,
        SPN_SPEC_SYNC_UPN,
        SPN_SPEC_SYNC_SPNS,
        SPN_SPEC_FULL,
@@ -164,8 +163,6 @@ static ADS_STATUS pw2kt_scan_spec(TALLOC_CTX *ctx,
        } else if (strequal(option, "sync_account_name")) {
                spec_type = SPN_SPEC_SYNC_ACCOUNT_NAME;
                gstate->sync_sam_account = true;
-       } else if (strequal(option, "host")) {
-               spec_type = SPN_SPEC_HOST;
        } else if (strequal(option, "sync_upn")) {
                spec_type = SPN_SPEC_SYNC_UPN;
                gstate->sync_upn = true;
@@ -251,9 +248,6 @@ static ADS_STATUS pw2kt_scan_line(const char *line,
        *olist = 0;
        olist++;
 
-       /* Always add 'host' principal */
-       desc->spec_array[SPN_SPEC_HOST].is_set = true;
-
        /* Entries are separated via ':' */
        while ((tmp = strchr_m(olist, ':')) != NULL) {
                *tmp = 0;
@@ -275,7 +269,8 @@ static ADS_STATUS pw2kt_scan_line(const char *line,
 /*
  * Fill struct pw2kt_global_state with defaults if
  * "sync machine password to keytab" is missing in smb.conf
- * Creates 1 keytab with 3 SPN specifiers (sync_spns, account_name, host).
+ * Creates 1 keytab with these SPN specifiers:
+ *   sync_spns:account_name:spn_prefixes=host:sync_kvno:machine_password
  */
 static ADS_STATUS pw2kt_default_cfg(const char *name,
                                    struct pw2kt_global_state *state)
@@ -302,9 +297,11 @@ static ADS_STATUS pw2kt_default_cfg(const char *name,
 
        desc->spec_array[SPN_SPEC_SYNC_SPNS].is_set = true;
        desc->spec_array[SPN_SPEC_ACCOUNT_NAME].is_set = true;
-       desc->spec_array[SPN_SPEC_HOST].is_set = true;
+       desc->spec_array[SPN_SPEC_PREFIX].is_set = true;
 
-       return ADS_SUCCESS;
+       return pw2kt_add_val(state->keytabs,
+                            &desc->spec_array[SPN_SPEC_PREFIX],
+                            "host");
 }
 
 /*
@@ -590,12 +587,6 @@ static ADS_STATUS pw2kt_process_specifier(struct pw2kt_global_state *gstate,
        case SPN_SPEC_SYNC_ACCOUNT_NAME:
                ADD_INFO(gstate->ad_sam_account);
                break;
-       case SPN_SPEC_HOST:
-               status = pw2kt_add_prefix(gstate, state2, keytabptr, "host");
-               if (!ADS_ERR_OK(status)) {
-                       return status;
-               }
-               break;
        case SPN_SPEC_SYNC_UPN:
                if (gstate->ad_upn != NULL) {
                        ADD_INFO(gstate->ad_upn);
diff --git a/source3/script/tests/test_update_keytab.sh b/source3/script/tests/test_update_keytab.sh
index 82c64984787f4b28c6a9095719b06b3ca6973c69..21edf8b8882e4936e230f3f40afdb039f88dc353 100755 (executable)
--- a/source3/script/tests/test_update_keytab.sh
+++ b/source3/script/tests/test_update_keytab.sh
@@ -40,48 +40,18 @@ keytab0="\
  -2  aes256-cts-hmac-sha1-96                     ADMEMIDMAPNSS\$@ADDOM.SAMBA.EXAMPLE.COM
  -3  aes128-cts-hmac-sha1-96                     ADMEMIDMAPNSS\$@ADDOM.SAMBA.EXAMPLE.COM
  -3  aes256-cts-hmac-sha1-96                     ADMEMIDMAPNSS\$@ADDOM.SAMBA.EXAMPLE.COM
- -1  arcfour-hmac-md5                            host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
- -2  arcfour-hmac-md5                            host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
- -3  arcfour-hmac-md5                            host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
- -1  aes128-cts-hmac-sha1-96                     host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
- -1  aes256-cts-hmac-sha1-96                     host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
- -2  aes128-cts-hmac-sha1-96                     host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
- -2  aes256-cts-hmac-sha1-96                     host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
- -3  aes128-cts-hmac-sha1-96                     host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
- -3  aes256-cts-hmac-sha1-96                     host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
- -1  arcfour-hmac-md5                            host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
- -2  arcfour-hmac-md5                            host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
- -3  arcfour-hmac-md5                            host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
- -1  aes128-cts-hmac-sha1-96                     host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
- -1  aes256-cts-hmac-sha1-96                     host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
- -2  aes128-cts-hmac-sha1-96                     host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
- -2  aes256-cts-hmac-sha1-96                     host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
- -3  aes128-cts-hmac-sha1-96                     host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
- -3  aes256-cts-hmac-sha1-96                     host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
 ";
 
 keytab0k="\
   4  aes256-cts-hmac-sha1-96                     ADMEMIDMAPNSS\$@ADDOM.SAMBA.EXAMPLE.COM
   5  aes256-cts-hmac-sha1-96                     ADMEMIDMAPNSS\$@ADDOM.SAMBA.EXAMPLE.COM
   6  aes256-cts-hmac-sha1-96                     ADMEMIDMAPNSS\$@ADDOM.SAMBA.EXAMPLE.COM
-  4  aes256-cts-hmac-sha1-96                     host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
-  5  aes256-cts-hmac-sha1-96                     host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
-  6  aes256-cts-hmac-sha1-96                     host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
-  4  aes256-cts-hmac-sha1-96                     host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
-  5  aes256-cts-hmac-sha1-96                     host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
-  6  aes256-cts-hmac-sha1-96                     host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
 ";
 
 keytab1="\
- -1  aes256-cts-hmac-sha1-96                     host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
- -2  aes256-cts-hmac-sha1-96                     host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
- -3  aes256-cts-hmac-sha1-96                     host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
  -1  aes256-cts-hmac-sha1-96                     HOST/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
  -2  aes256-cts-hmac-sha1-96                     HOST/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
  -3  aes256-cts-hmac-sha1-96                     HOST/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
- -1  aes256-cts-hmac-sha1-96                     host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
- -2  aes256-cts-hmac-sha1-96                     host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
- -3  aes256-cts-hmac-sha1-96                     host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
  -1  aes256-cts-hmac-sha1-96                     HOST/ADMEMIDMAPNSS.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
  -2  aes256-cts-hmac-sha1-96                     HOST/ADMEMIDMAPNSS.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
  -3  aes256-cts-hmac-sha1-96                     HOST/ADMEMIDMAPNSS.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
@@ -118,15 +88,9 @@ keytab1="\
 ";
 
 keytab1k="\
-  4  aes256-cts-hmac-sha1-96                     host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
-  5  aes256-cts-hmac-sha1-96                     host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
-  6  aes256-cts-hmac-sha1-96                     host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
   4  aes256-cts-hmac-sha1-96                     HOST/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
   5  aes256-cts-hmac-sha1-96                     HOST/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
   6  aes256-cts-hmac-sha1-96                     HOST/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
-  4  aes256-cts-hmac-sha1-96                     host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
-  5  aes256-cts-hmac-sha1-96                     host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
-  6  aes256-cts-hmac-sha1-96                     host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
   4  aes256-cts-hmac-sha1-96                     HOST/ADMEMIDMAPNSS.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
   5  aes256-cts-hmac-sha1-96                     HOST/ADMEMIDMAPNSS.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
   6  aes256-cts-hmac-sha1-96                     HOST/ADMEMIDMAPNSS.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
@@ -295,24 +259,12 @@ keytab2k="\
 ";
 
 keytab3="\
- -1  aes256-cts-hmac-sha1-96                     host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
- -2  aes256-cts-hmac-sha1-96                     host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
- -3  aes256-cts-hmac-sha1-96                     host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
- -1  aes256-cts-hmac-sha1-96                     host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
- -2  aes256-cts-hmac-sha1-96                     host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
- -3  aes256-cts-hmac-sha1-96                     host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
  -1  aes256-cts-hmac-sha1-96                     wurst/brot@ADDOM.SAMBA.EXAMPLE.COM
  -2  aes256-cts-hmac-sha1-96                     wurst/brot@ADDOM.SAMBA.EXAMPLE.COM
  -3  aes256-cts-hmac-sha1-96                     wurst/brot@ADDOM.SAMBA.EXAMPLE.COM
 ";
 
 keytab3k="\
-  4  aes256-cts-hmac-sha1-96                     host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
-  5  aes256-cts-hmac-sha1-96                     host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
-  6  aes256-cts-hmac-sha1-96                     host/ADMEMIDMAPNSS@ADDOM.SAMBA.EXAMPLE.COM
-  4  aes256-cts-hmac-sha1-96                     host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
-  5  aes256-cts-hmac-sha1-96                     host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
-  6  aes256-cts-hmac-sha1-96                     host/admemidmapnss.addom.samba.example.com@ADDOM.SAMBA.EXAMPLE.COM
   4  aes256-cts-hmac-sha1-96                     wurst1/brot@ADDOM.SAMBA.EXAMPLE.COM
   5  aes256-cts-hmac-sha1-96                     wurst1/brot@ADDOM.SAMBA.EXAMPLE.COM
   6  aes256-cts-hmac-sha1-96                     wurst1/brot@ADDOM.SAMBA.EXAMPLE.COM
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