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samba/SOURCES/samba-4-15-fix-create-local...

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From 73368f962136398d79c22e7df6fe4f6d7ce3932f Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@samba.org>
Date: Tue, 15 Mar 2022 16:53:02 +0100
Subject: [PATCH 1/9] 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@samba.org>
---
testprogs/blackbox/test_net_ads.sh | 6 ++++++
1 file changed, 6 insertions(+)
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')
--
2.35.1
From d50e4298d6d713128cc3a7687cb7d5c8f4c213e4 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@samba.org>
Date: Tue, 15 Mar 2022 12:03:40 +0100
Subject: [PATCH 2/9] s3:libads: Remove trailing spaces in kerberos.c
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15016
Signed-off-by: Andreas Schneider <asn@samba.org>
---
source3/libads/kerberos.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/source3/libads/kerberos.c b/source3/libads/kerberos.c
index 75beeef4a44..60fe03fd5d7 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,
--
2.35.1
From 85f140daa2779dec38255a997ec77540365959ca Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@samba.org>
Date: Tue, 15 Mar 2022 12:04:34 +0100
Subject: [PATCH 3/9] 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@samba.org>
---
source3/libads/kerberos.c | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/source3/libads/kerberos.c b/source3/libads/kerberos.c
index 60fe03fd5d7..1bf149ef09b 100644
--- a/source3/libads/kerberos.c
+++ b/source3/libads/kerberos.c
@@ -434,9 +434,14 @@ 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;
+ SMB_ASSERT(pss != NULL);
+
+ kdc_str = talloc_asprintf(mem_ctx,
+ "\t\tkdc = %s\n",
+ print_canonical_sockaddr_with_port(mem_ctx,
+ pss));
if (kdc_str == NULL) {
TALLOC_FREE(frame);
return NULL;
@@ -516,15 +521,15 @@ 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);
goto out;
}
+
+ dc_addrs2 = talloc_zero_array(talloc_tos(),
+ struct tsocket_address *,
+ num_dcs);
if (dc_addrs2 == NULL) {
TALLOC_FREE(kdc_str);
goto out;
--
2.35.1
From 010cb49995f00b6bb5058b8b1a69e684c0bb1050 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@samba.org>
Date: Tue, 15 Mar 2022 12:10:47 +0100
Subject: [PATCH 4/9] 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@samba.org>
---
source3/libads/kerberos.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/source3/libads/kerberos.c b/source3/libads/kerberos.c
index 1bf149ef09b..6a46d72a156 100644
--- a/source3/libads/kerberos.c
+++ b/source3/libads/kerberos.c
@@ -590,7 +590,11 @@ static char *get_kdc_ip_string(char *mem_ctx,
result = 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);
--
2.35.1
From c0640d8ea59ef57a1d61151f790431bcf7fddeba Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@samba.org>
Date: Tue, 15 Mar 2022 12:48:23 +0100
Subject: [PATCH 5/9] 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@samba.org>
---
source3/libads/kerberos.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/source3/libads/kerberos.c b/source3/libads/kerberos.c
index 6a46d72a156..d1c410ffa4b 100644
--- a/source3/libads/kerberos.c
+++ b/source3/libads/kerberos.c
@@ -578,10 +578,11 @@ 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;
}
--
2.35.1
From b8e73356ff44f0717ed413a4e8af51f043434a7f Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@samba.org>
Date: Tue, 15 Mar 2022 12:56:58 +0100
Subject: [PATCH 6/9] 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@samba.org>
---
source3/libads/kerberos.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/source3/libads/kerberos.c b/source3/libads/kerberos.c
index d1c410ffa4b..aadc65a3edc 100644
--- a/source3/libads/kerberos.c
+++ b/source3/libads/kerberos.c
@@ -438,7 +438,7 @@ static char *get_kdc_ip_string(char *mem_ctx,
SMB_ASSERT(pss != NULL);
- kdc_str = talloc_asprintf(mem_ctx,
+ kdc_str = talloc_asprintf(frame,
"\t\tkdc = %s\n",
print_canonical_sockaddr_with_port(mem_ctx,
pss));
@@ -459,7 +459,7 @@ 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,
@@ -477,7 +477,7 @@ 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,
@@ -589,7 +589,7 @@ static char *get_kdc_ip_string(char *mem_ctx,
kdc_str = new_kdc_str;
}
- result = kdc_str;
+ result = talloc_move(mem_ctx, &kdc_str);
out:
if (result != NULL) {
DBG_DEBUG("Returning\n%s\n", kdc_str);
@@ -597,8 +597,6 @@ out:
DBG_NOTICE("Failed to get KDC ip address\n");
}
- TALLOC_FREE(ip_sa_site);
- TALLOC_FREE(ip_sa_nonsite);
TALLOC_FREE(frame);
return result;
}
--
2.35.1
From e2ea1de6128195af937474b41a57756013c8249e Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@samba.org>
Date: Tue, 15 Mar 2022 12:57:18 +0100
Subject: [PATCH 7/9] 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@samba.org>
---
source3/libads/kerberos.c | 12 +-----------
1 file changed, 1 insertion(+), 11 deletions(-)
diff --git a/source3/libads/kerberos.c b/source3/libads/kerberos.c
index aadc65a3edc..2087dc1e6f9 100644
--- a/source3/libads/kerberos.c
+++ b/source3/libads/kerberos.c
@@ -443,13 +443,11 @@ static char *get_kdc_ip_string(char *mem_ctx,
print_canonical_sockaddr_with_port(mem_ctx,
pss));
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;
}
@@ -467,7 +465,6 @@ 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",
@@ -485,7 +482,6 @@ 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);
@@ -493,7 +489,6 @@ 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;
}
@@ -501,7 +496,6 @@ 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;
}
@@ -523,7 +517,6 @@ static char *get_kdc_ip_string(char *mem_ctx,
DBG_DEBUG("%zu additional KDCs to test\n", num_dcs);
if (num_dcs == 0) {
- TALLOC_FREE(kdc_str);
goto out;
}
@@ -531,7 +524,6 @@ static char *get_kdc_ip_string(char *mem_ctx,
struct tsocket_address *,
num_dcs);
if (dc_addrs2 == NULL) {
- TALLOC_FREE(kdc_str);
goto out;
}
@@ -548,7 +540,6 @@ 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;
}
}
@@ -566,7 +557,6 @@ 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;
}
--
2.35.1
From 8242cb20ed3149acb83a140c140bdbb90de58b65 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@samba.org>
Date: Tue, 15 Mar 2022 13:02:05 +0100
Subject: [PATCH 8/9] 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@samba.org>
---
source3/libads/kerberos.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/source3/libads/kerberos.c b/source3/libads/kerberos.c
index 2087dc1e6f9..20dceeefb22 100644
--- a/source3/libads/kerberos.c
+++ b/source3/libads/kerberos.c
@@ -435,13 +435,18 @@ static char *get_kdc_ip_string(char *mem_ctx,
NTSTATUS status;
bool ok;
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",
- print_canonical_sockaddr_with_port(mem_ctx,
- pss));
+ canon_sockaddr);
if (kdc_str == NULL) {
goto out;
}
--
2.35.1
From fbd0843fdd257bc0e4ebef53c7afa29f171e86e5 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@samba.org>
Date: Tue, 15 Mar 2022 13:10:06 +0100
Subject: [PATCH 9/9] 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@samba.org>
---
source3/libads/kerberos.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/source3/libads/kerberos.c b/source3/libads/kerberos.c
index 20dceeefb22..3fd86e87064 100644
--- a/source3/libads/kerberos.c
+++ b/source3/libads/kerberos.c
@@ -522,6 +522,11 @@ static char *get_kdc_ip_string(char *mem_ctx,
DBG_DEBUG("%zu additional KDCs to test\n", num_dcs);
if (num_dcs == 0) {
+ /*
+ * 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;
}
--
2.35.1