[SCM] Samba Shared Repository - branch master updated

Günther Deschner gd at samba.org
Wed Mar 16 14:27:01 UTC 2022


The branch, master has been updated
       via  68d181ee676 s3:libads: Fix creating local krb5.conf
       via  12c843ad0a9 s3:libads: Check print_canonical_sockaddr_with_port() for NULL in get_kdc_ip_string()
       via  cca189d0934 s3:libads: Remove obsolete free's of kdc_str
       via  652c8ce1672 s3:libads: Allocate all memory on the talloc stackframe
       via  812032833aa s3:libads: Use talloc_asprintf_append() in get_kdc_ip_string()
       via  7f721dc2eee s3:libads: Improve debug messages for get_kdc_ip_string()
       via  313f03c7848 s3:libads: Leave early on error in get_kdc_ip_string()
       via  567b1996796 s3:libads: Remove trailing spaces in kerberos.c
       via  d2ac90cdd56 testprogs: Add test that local krb5.conf has been created
      from  d8e966da1c8 smbd: Remove a few vfs_stat() calls

https://git.samba.org/?p=samba.git;a=shortlog;h=master


- Log -----------------------------------------------------------------
commit 68d181ee676e17a5cdcfc12c5cc7eef242fdfa6c
Author: Andreas Schneider <asn at samba.org>
Date:   Tue Mar 15 13:10:06 2022 +0100

    s3:libads: Fix creating local krb5.conf
    
    We create an KDC ip string entry directly at the beginning, use it if we
    don't have any additional DCs.
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=15016
    
    Signed-off-by: Andreas Schneider <asn at samba.org>
    Reviewed-by: Guenther Deschner <gd at samba.org>
    
    Autobuild-User(master): Günther Deschner <gd at samba.org>
    Autobuild-Date(master): Wed Mar 16 14:26:36 UTC 2022 on sn-devel-184

commit 12c843ad0a97fcbaaea738b82941533e5d2aec99
Author: Andreas Schneider <asn at samba.org>
Date:   Tue Mar 15 13:02:05 2022 +0100

    s3:libads: Check print_canonical_sockaddr_with_port() for NULL in get_kdc_ip_string()
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=15016
    
    Signed-off-by: Andreas Schneider <asn at samba.org>
    Reviewed-by: Guenther Deschner <gd at samba.org>

commit cca189d0934790418e27d9d01282370b1e6a057f
Author: Andreas Schneider <asn at samba.org>
Date:   Tue Mar 15 12:57:18 2022 +0100

    s3:libads: Remove obsolete free's of kdc_str
    
    This is allocated on the stackframe now!
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=15016
    
    Signed-off-by: Andreas Schneider <asn at samba.org>
    Reviewed-by: Guenther Deschner <gd at samba.org>

commit 652c8ce1672dfead00c7af6af22e3bb3927764ec
Author: Andreas Schneider <asn at samba.org>
Date:   Tue Mar 15 12:56:58 2022 +0100

    s3:libads: Allocate all memory on the talloc stackframe
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=15016
    
    Signed-off-by: Andreas Schneider <asn at samba.org>
    Reviewed-by: Guenther Deschner <gd at samba.org>

commit 812032833aa65729dbbfd4313a6e3fe072c88530
Author: Andreas Schneider <asn at samba.org>
Date:   Tue Mar 15 12:48:23 2022 +0100

    s3:libads: Use talloc_asprintf_append() in get_kdc_ip_string()
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=15016
    
    Signed-off-by: Andreas Schneider <asn at samba.org>
    Reviewed-by: Guenther Deschner <gd at samba.org>

commit 7f721dc2eee0064a1ddd480fcaf77bf1659c7a26
Author: Andreas Schneider <asn at samba.org>
Date:   Tue Mar 15 12:10:47 2022 +0100

    s3:libads: Improve debug messages for get_kdc_ip_string()
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=15016
    
    Signed-off-by: Andreas Schneider <asn at samba.org>
    Reviewed-by: Guenther Deschner <gd at samba.org>

commit 313f03c78487ae49747b8143220ecbfe8ad9310a
Author: Andreas Schneider <asn at samba.org>
Date:   Tue Mar 15 12:04:34 2022 +0100

    s3:libads: Leave early on error in get_kdc_ip_string()
    
    This avoids useless allocations.
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=15016
    
    Signed-off-by: Andreas Schneider <asn at samba.org>
    Reviewed-by: Guenther Deschner <gd at samba.org>

commit 567b1996796e5d3cf572653f38817d832fa135ca
Author: Andreas Schneider <asn at samba.org>
Date:   Tue Mar 15 12:03:40 2022 +0100

    s3:libads: Remove trailing spaces in kerberos.c
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=15016
    
    Signed-off-by: Andreas Schneider <asn at samba.org>
    Reviewed-by: Guenther Deschner <gd at samba.org>

commit d2ac90cdd5672330ed9c323fc474f8ba62750a6f
Author: Andreas Schneider <asn at samba.org>
Date:   Tue Mar 15 16:53:02 2022 +0100

    testprogs: Add test that local krb5.conf has been created
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=15016
    
    Signed-off-by: Andreas Schneider <asn at samba.org>
    Reviewed-by: Guenther Deschner <gd at samba.org>

-----------------------------------------------------------------------

Summary of changes:
 source3/libads/kerberos.c          | 80 +++++++++++++++++++++-----------------
 testprogs/blackbox/test_net_ads.sh |  6 +++
 2 files changed, 50 insertions(+), 36 deletions(-)


Changeset truncated at 500 lines:

diff --git a/source3/libads/kerberos.c b/source3/libads/kerberos.c
index 75beeef4a44..3fd86e87064 100644
--- a/source3/libads/kerberos.c
+++ b/source3/libads/kerberos.c
@@ -1,4 +1,4 @@
-/* 
+/*
    Unix SMB/CIFS implementation.
    kerberos utility library
    Copyright (C) Andrew Tridgell 2001
@@ -37,11 +37,11 @@
 #define LIBADS_CCACHE_NAME "MEMORY:libads"
 
 /*
-  we use a prompter to avoid a crash bug in the kerberos libs when 
+  we use a prompter to avoid a crash bug in the kerberos libs when
   dealing with empty passwords
   this prompter is just a string copy ...
 */
-static krb5_error_code 
+static krb5_error_code
 kerb_prompter(krb5_context ctx, void *data,
 	       const char *name,
 	       const char *banner,
@@ -192,7 +192,7 @@ int kerberos_kinit_password_ext(const char *given_principal,
 		krb5_get_init_creds_opt_set_address_list(opt, addr->addrs);
 	}
 
-	if ((code = krb5_get_init_creds_password(ctx, &my_creds, me, discard_const_p(char,password), 
+	if ((code = krb5_get_init_creds_password(ctx, &my_creds, me, discard_const_p(char,password),
 						 kerb_prompter, discard_const_p(char, password),
 						 0, NULL, opt))) {
 		goto out;
@@ -299,7 +299,7 @@ int ads_kdestroy(const char *cc_name)
 	}
 
 	if ((code = krb5_cc_destroy (ctx, cc))) {
-		DEBUG(3, ("ads_kdestroy: krb5_cc_destroy failed: %s\n", 
+		DEBUG(3, ("ads_kdestroy: krb5_cc_destroy failed: %s\n",
 			error_message(code)));
 	}
 
@@ -348,10 +348,10 @@ int kerberos_kinit_password(const char *principal,
 			    int time_offset,
 			    const char *cache_name)
 {
-	return kerberos_kinit_password_ext(principal, 
-					   password, 
-					   time_offset, 
-					   0, 
+	return kerberos_kinit_password_ext(principal,
+					   password,
+					   time_offset,
+					   0,
 					   0,
 					   cache_name,
 					   False,
@@ -434,17 +434,25 @@ static char *get_kdc_ip_string(char *mem_ctx,
 	struct netlogon_samlogon_response **responses = NULL;
 	NTSTATUS status;
 	bool ok;
-	char *kdc_str = talloc_asprintf(mem_ctx, "%s\t\tkdc = %s\n", "",
-					print_canonical_sockaddr_with_port(mem_ctx, pss));
+	char *kdc_str = NULL;
+	char *canon_sockaddr = NULL;
+
+	SMB_ASSERT(pss != NULL);
+
+	canon_sockaddr = print_canonical_sockaddr_with_port(frame, pss);
+	if (canon_sockaddr == NULL) {
+		goto out;
+	}
 
+	kdc_str = talloc_asprintf(frame,
+				  "\t\tkdc = %s\n",
+				  canon_sockaddr);
 	if (kdc_str == NULL) {
-		TALLOC_FREE(frame);
-		return NULL;
+		goto out;
 	}
 
 	ok = sockaddr_storage_to_samba_sockaddr(&sa, pss);
 	if (!ok) {
-		TALLOC_FREE(kdc_str);
 		goto out;
 	}
 
@@ -454,7 +462,7 @@ static char *get_kdc_ip_string(char *mem_ctx,
 	 */
 
 	if (sitename) {
-		status = get_kdc_list(talloc_tos(),
+		status = get_kdc_list(frame,
 					realm,
 					sitename,
 					&ip_sa_site,
@@ -462,7 +470,6 @@ static char *get_kdc_ip_string(char *mem_ctx,
 		if (!NT_STATUS_IS_OK(status)) {
 			DBG_ERR("get_kdc_list fail %s\n",
 				nt_errstr(status));
-			TALLOC_FREE(kdc_str);
 			goto out;
 		}
 		DBG_DEBUG("got %zu addresses from site %s search\n",
@@ -472,7 +479,7 @@ static char *get_kdc_ip_string(char *mem_ctx,
 
 	/* Get all KDC's. */
 
-	status = get_kdc_list(talloc_tos(),
+	status = get_kdc_list(frame,
 					realm,
 					NULL,
 					&ip_sa_nonsite,
@@ -480,7 +487,6 @@ static char *get_kdc_ip_string(char *mem_ctx,
 	if (!NT_STATUS_IS_OK(status)) {
 		DBG_ERR("get_kdc_list (site-less) fail %s\n",
 			nt_errstr(status));
-		TALLOC_FREE(kdc_str);
 		goto out;
 	}
 	DBG_DEBUG("got %zu addresses from site-less search\n", count_nonsite);
@@ -488,7 +494,6 @@ static char *get_kdc_ip_string(char *mem_ctx,
 	if (count_site + count_nonsite < count_site) {
 		/* Wrap check. */
 		DBG_ERR("get_kdc_list_talloc (site-less) fail wrap error\n");
-		TALLOC_FREE(kdc_str);
 		goto out;
 	}
 
@@ -496,7 +501,6 @@ static char *get_kdc_ip_string(char *mem_ctx,
 	dc_addrs = talloc_array(talloc_tos(), struct sockaddr_storage,
 				count_site + count_nonsite);
 	if (dc_addrs == NULL) {
-		TALLOC_FREE(kdc_str);
 		goto out;
 	}
 
@@ -516,17 +520,20 @@ static char *get_kdc_ip_string(char *mem_ctx,
 		}
 	}
 
-	dc_addrs2 = talloc_zero_array(talloc_tos(),
-				      struct tsocket_address *,
-				      num_dcs);
-
 	DBG_DEBUG("%zu additional KDCs to test\n", num_dcs);
 	if (num_dcs == 0) {
-		TALLOC_FREE(kdc_str);
+		/*
+		 * We do not have additional KDCs, but we have the one passed
+		 * in via `pss`. So just use that one and leave.
+		 */
+		result = talloc_move(mem_ctx, &kdc_str);
 		goto out;
 	}
+
+	dc_addrs2 = talloc_zero_array(talloc_tos(),
+				      struct tsocket_address *,
+				      num_dcs);
 	if (dc_addrs2 == NULL) {
-		TALLOC_FREE(kdc_str);
 		goto out;
 	}
 
@@ -543,7 +550,6 @@ static char *get_kdc_ip_string(char *mem_ctx,
 			status = map_nt_error_from_unix(errno);
 			DEBUG(2,("Failed to create tsocket_address for %s - %s\n",
 				 addr, nt_errstr(status)));
-			TALLOC_FREE(kdc_str);
 			goto out;
 		}
 	}
@@ -561,7 +567,6 @@ static char *get_kdc_ip_string(char *mem_ctx,
 	if (!NT_STATUS_IS_OK(status)) {
 		DEBUG(10,("get_kdc_ip_string: cldap_multi_netlogon failed: "
 			  "%s\n", nt_errstr(status)));
-		TALLOC_FREE(kdc_str);
 		goto out;
 	}
 
@@ -573,22 +578,25 @@ static char *get_kdc_ip_string(char *mem_ctx,
 		}
 
 		/* Append to the string - inefficient but not done often. */
-		new_kdc_str = talloc_asprintf(mem_ctx, "%s\t\tkdc = %s\n",
-					      kdc_str,
-					      print_canonical_sockaddr_with_port(mem_ctx, &dc_addrs[i]));
-		TALLOC_FREE(kdc_str);
+		new_kdc_str = talloc_asprintf_append(
+				kdc_str,
+				"\t\tkdc = %s\n",
+				print_canonical_sockaddr_with_port(
+					mem_ctx, &dc_addrs[i]));
 		if (new_kdc_str == NULL) {
 			goto out;
 		}
 		kdc_str = new_kdc_str;
 	}
 
-	result = kdc_str;
+	result = talloc_move(mem_ctx, &kdc_str);
 out:
-	DBG_DEBUG("Returning\n%s\n", kdc_str);
+	if (result != NULL) {
+		DBG_DEBUG("Returning\n%s\n", kdc_str);
+	} else {
+		DBG_NOTICE("Failed to get KDC ip address\n");
+	}
 
-	TALLOC_FREE(ip_sa_site);
-	TALLOC_FREE(ip_sa_nonsite);
 	TALLOC_FREE(frame);
 	return result;
 }
diff --git a/testprogs/blackbox/test_net_ads.sh b/testprogs/blackbox/test_net_ads.sh
index 76b394b10a9..cfafb945b62 100755
--- a/testprogs/blackbox/test_net_ads.sh
+++ b/testprogs/blackbox/test_net_ads.sh
@@ -51,6 +51,12 @@ fi
 
 testit "join" $VALGRIND $net_tool ads join -U$DC_USERNAME%$DC_PASSWORD || failed=`expr $failed + 1`
 
+workgroup=$(awk '/workgroup =/ { print $NR }' "${BASEDIR}/${WORKDIR}/client.conf")
+testit "local krb5.conf created" \
+	test -r \
+	"${BASEDIR}/${WORKDIR}/lockdir/smb_krb5/krb5.conf.${workgroup}" ||
+	failed=$((failed + 1))
+
 testit "testjoin" $VALGRIND $net_tool ads testjoin -P --use-kerberos=required || failed=`expr $failed + 1`
 
 netbios=$(grep "netbios name" $BASEDIR/$WORKDIR/client.conf | cut -f2 -d= | awk '{$1=$1};1')


-- 
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