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-rw-r--r--source4/auth/auth_sam.c37
-rw-r--r--source4/auth/ntlmssp/ntlmssp.h1
-rw-r--r--source4/auth/ntlmssp/ntlmssp_server.c43
-rw-r--r--source4/dsdb/samdb/cracknames.c39
-rw-r--r--source4/kdc/hdb-ldb.c35
5 files changed, 102 insertions, 53 deletions
diff --git a/source4/auth/auth_sam.c b/source4/auth/auth_sam.c
index 85506fb41b..c28aaf2434 100644
--- a/source4/auth/auth_sam.c
+++ b/source4/auth/auth_sam.c
@@ -583,6 +583,7 @@ NTSTATUS sam_get_results_principal(struct ldb_context *sam_ctx,
}
talloc_steal(mem_ctx, *msgs);
talloc_steal(mem_ctx, *msgs_domain_ref);
+ talloc_free(tmp_ctx);
return NT_STATUS_OK;
}
@@ -610,7 +611,7 @@ NTSTATUS sam_get_server_info_principal(TALLOC_CTX *mem_ctx, const char *principa
return NT_STATUS_INVALID_SYSTEM_SERVICE;
}
- nt_status = sam_get_results_principal(sam_ctx, mem_ctx, principal,
+ nt_status = sam_get_results_principal(sam_ctx, tmp_ctx, principal,
&msgs, &msgs_domain_ref);
if (!NT_STATUS_IS_OK(nt_status)) {
return nt_status;
@@ -638,31 +639,47 @@ static NTSTATUS authsam_check_password_internals(struct auth_method_context *ctx
struct ldb_message **domain_ref_msgs;
struct ldb_context *sam_ctx;
DATA_BLOB user_sess_key, lm_sess_key;
+ TALLOC_CTX *tmp_ctx;
if (!account_name || !*account_name) {
/* 'not for me' */
return NT_STATUS_NOT_IMPLEMENTED;
}
- sam_ctx = samdb_connect(mem_ctx, system_session(mem_ctx));
+ tmp_ctx = talloc_new(mem_ctx);
+ if (!tmp_ctx) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ sam_ctx = samdb_connect(tmp_ctx, system_session(mem_ctx));
if (sam_ctx == NULL) {
+ talloc_free(tmp_ctx);
return NT_STATUS_INVALID_SYSTEM_SERVICE;
}
- nt_status = authsam_search_account(mem_ctx, sam_ctx, account_name, domain, &msgs, &domain_ref_msgs);
- NT_STATUS_NOT_OK_RETURN(nt_status);
+ nt_status = authsam_search_account(tmp_ctx, sam_ctx, account_name, domain, &msgs, &domain_ref_msgs);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ talloc_free(tmp_ctx);
+ return nt_status;
+ }
- nt_status = authsam_authenticate(ctx->auth_ctx, mem_ctx, sam_ctx, msgs, domain_ref_msgs, user_info,
+ nt_status = authsam_authenticate(ctx->auth_ctx, tmp_ctx, sam_ctx, msgs, domain_ref_msgs, user_info,
&user_sess_key, &lm_sess_key);
- NT_STATUS_NOT_OK_RETURN(nt_status);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ talloc_free(tmp_ctx);
+ return nt_status;
+ }
- nt_status = authsam_make_server_info(mem_ctx, sam_ctx, msgs[0], domain_ref_msgs[0],
+ nt_status = authsam_make_server_info(tmp_ctx, sam_ctx, msgs[0], domain_ref_msgs[0],
user_sess_key, lm_sess_key,
server_info);
- NT_STATUS_NOT_OK_RETURN(nt_status);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ talloc_free(tmp_ctx);
+ return nt_status;
+ }
- talloc_free(msgs);
- talloc_free(domain_ref_msgs);
+ talloc_steal(mem_ctx, *server_info);
+ talloc_free(tmp_ctx);
return NT_STATUS_OK;
}
diff --git a/source4/auth/ntlmssp/ntlmssp.h b/source4/auth/ntlmssp/ntlmssp.h
index 0742227491..640d2d57fe 100644
--- a/source4/auth/ntlmssp/ntlmssp.h
+++ b/source4/auth/ntlmssp/ntlmssp.h
@@ -152,6 +152,7 @@ struct gensec_ntlmssp_state
*
*/
NTSTATUS (*check_password)(struct gensec_ntlmssp_state *,
+ TALLOC_CTX *mem_ctx,
DATA_BLOB *nt_session_key, DATA_BLOB *lm_session_key);
const char *server_name;
diff --git a/source4/auth/ntlmssp/ntlmssp_server.c b/source4/auth/ntlmssp/ntlmssp_server.c
index dac1f48f4b..de44d40a50 100644
--- a/source4/auth/ntlmssp/ntlmssp_server.c
+++ b/source4/auth/ntlmssp/ntlmssp_server.c
@@ -551,6 +551,9 @@ static NTSTATUS ntlmssp_server_postauth(struct gensec_security *gensec_security,
gensec_ntlmssp_state->session_key = session_key;
}
+ /* keep the session key around on the new context */
+ talloc_steal(gensec_ntlmssp_state, session_key.data);
+
/* The server might need us to use a partial-strength session key */
ntlmssp_weaken_keys(gensec_ntlmssp_state);
@@ -596,10 +599,16 @@ NTSTATUS ntlmssp_server_auth(struct gensec_security *gensec_security,
DATA_BLOB lm_session_key = data_blob(NULL, 0);
NTSTATUS nt_status;
+ TALLOC_CTX *mem_ctx = talloc_new(out_mem_ctx);
+ if (!mem_ctx) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
/* zero the outbound NTLMSSP packet */
*out = data_blob_talloc(out_mem_ctx, NULL, 0);
if (!NT_STATUS_IS_OK(nt_status = ntlmssp_server_preauth(gensec_ntlmssp_state, in))) {
+ talloc_free(mem_ctx);
return nt_status;
}
@@ -612,16 +621,20 @@ NTSTATUS ntlmssp_server_auth(struct gensec_security *gensec_security,
/* Finally, actually ask if the password is OK */
- if (!NT_STATUS_IS_OK(nt_status = gensec_ntlmssp_state->check_password(gensec_ntlmssp_state,
+ if (!NT_STATUS_IS_OK(nt_status = gensec_ntlmssp_state->check_password(gensec_ntlmssp_state, mem_ctx,
&user_session_key, &lm_session_key))) {
+ talloc_free(mem_ctx);
return nt_status;
}
if (gensec_security->want_features
& (GENSEC_FEATURE_SIGN|GENSEC_FEATURE_SEAL|GENSEC_FEATURE_SESSION_KEY)) {
- return ntlmssp_server_postauth(gensec_security, &user_session_key, &lm_session_key);
+ nt_status = ntlmssp_server_postauth(gensec_security, &user_session_key, &lm_session_key);
+ talloc_free(mem_ctx);
+ return nt_status;
} else {
gensec_ntlmssp_state->session_key = data_blob(NULL, 0);
+ talloc_free(mem_ctx);
return NT_STATUS_OK;
}
}
@@ -681,10 +694,12 @@ static NTSTATUS auth_ntlmssp_set_challenge(struct gensec_ntlmssp_state *gensec_n
* Return the session keys used on the connection.
*/
-static NTSTATUS auth_ntlmssp_check_password(struct gensec_ntlmssp_state *gensec_ntlmssp_state, DATA_BLOB *user_session_key, DATA_BLOB *lm_session_key)
+static NTSTATUS auth_ntlmssp_check_password(struct gensec_ntlmssp_state *gensec_ntlmssp_state,
+ TALLOC_CTX *mem_ctx,
+ DATA_BLOB *user_session_key, DATA_BLOB *lm_session_key)
{
NTSTATUS nt_status;
- struct auth_usersupplied_info *user_info = talloc(gensec_ntlmssp_state, struct auth_usersupplied_info);
+ struct auth_usersupplied_info *user_info = talloc(mem_ctx, struct auth_usersupplied_info);
if (!user_info) {
return NT_STATUS_NO_MEMORY;
}
@@ -703,24 +718,30 @@ static NTSTATUS auth_ntlmssp_check_password(struct gensec_ntlmssp_state *gensec_
user_info->password.response.nt = gensec_ntlmssp_state->nt_resp;
user_info->password.response.nt.data = talloc_steal(user_info, gensec_ntlmssp_state->nt_resp.data);
- nt_status = auth_check_password(gensec_ntlmssp_state->auth_context, gensec_ntlmssp_state,
+ nt_status = auth_check_password(gensec_ntlmssp_state->auth_context, mem_ctx,
user_info, &gensec_ntlmssp_state->server_info);
talloc_free(user_info);
NT_STATUS_NOT_OK_RETURN(nt_status);
+ talloc_steal(gensec_ntlmssp_state, gensec_ntlmssp_state->server_info);
+
if (gensec_ntlmssp_state->server_info->user_session_key.length) {
DEBUG(10, ("Got NT session key of length %u\n",
(unsigned)gensec_ntlmssp_state->server_info->user_session_key.length));
- *user_session_key = data_blob_talloc(gensec_ntlmssp_state,
- gensec_ntlmssp_state->server_info->user_session_key.data,
- gensec_ntlmssp_state->server_info->user_session_key.length);
+ if (!talloc_reference(mem_ctx, gensec_ntlmssp_state->server_info->user_session_key.data)) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ *user_session_key = gensec_ntlmssp_state->server_info->user_session_key;
}
if (gensec_ntlmssp_state->server_info->lm_session_key.length) {
DEBUG(10, ("Got LM session key of length %u\n",
(unsigned)gensec_ntlmssp_state->server_info->lm_session_key.length));
- *lm_session_key = data_blob_talloc(gensec_ntlmssp_state,
- gensec_ntlmssp_state->server_info->lm_session_key.data,
- gensec_ntlmssp_state->server_info->lm_session_key.length);
+ if (!talloc_reference(mem_ctx, gensec_ntlmssp_state->server_info->lm_session_key.data)) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ *lm_session_key = gensec_ntlmssp_state->server_info->lm_session_key;
}
return nt_status;
}
diff --git a/source4/dsdb/samdb/cracknames.c b/source4/dsdb/samdb/cracknames.c
index d86484eb8a..06ba532d40 100644
--- a/source4/dsdb/samdb/cracknames.c
+++ b/source4/dsdb/samdb/cracknames.c
@@ -44,47 +44,59 @@ static WERROR DsCrackNameOneSyntactical(TALLOC_CTX *mem_ctx,
struct drsuapi_DsNameInfo1 *info1);
static enum drsuapi_DsNameStatus LDB_lookup_spn_alias(krb5_context context, struct ldb_context *ldb_ctx,
- TALLOC_CTX *mem_ctx,
- const char *alias_from,
- char **alias_to)
+ TALLOC_CTX *mem_ctx,
+ const char *alias_from,
+ char **alias_to)
{
int i;
int ret;
struct ldb_result *res;
struct ldb_message_element *spnmappings;
- struct ldb_dn *service_dn = ldb_dn_string_compose(mem_ctx, samdb_base_dn(mem_ctx),
+ TALLOC_CTX *tmp_ctx;
+ struct ldb_dn *service_dn;
+ char *service_dn_str;
+
+ tmp_ctx = talloc_new(mem_ctx);
+ if (!tmp_ctx) {
+ return DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
+ }
+
+ service_dn = ldb_dn_string_compose(tmp_ctx, samdb_base_dn(mem_ctx),
"CN=Directory Service,CN=Windows NT"
",CN=Services,CN=Configuration");
- char *service_dn_str = ldb_dn_linearize(mem_ctx, service_dn);
+ service_dn_str = ldb_dn_linearize(tmp_ctx, service_dn);
const char *directory_attrs[] = {
"sPNMappings",
NULL
};
ret = ldb_search(ldb_ctx, service_dn, LDB_SCOPE_BASE, "(objectClass=nTDSService)",
- directory_attrs, &res);
- talloc_steal(mem_ctx, res);
+ directory_attrs, &res);
if (ret != LDB_SUCCESS) {
DEBUG(1, ("ldb_search: dn: %s not found: %s", service_dn_str, ldb_errstring(ldb_ctx)));
- return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
+ return DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
} else if (res->count > 1) {
+ talloc_free(res);
DEBUG(1, ("ldb_search: dn: %s found %d times!", service_dn_str, res->count));
return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
}
+ talloc_steal(tmp_ctx, res);
spnmappings = ldb_msg_find_element(res->msgs[0], "sPNMappings");
if (!spnmappings || spnmappings->num_values == 0) {
DEBUG(1, ("ldb_search: dn: %s no sPNMappings attribute", service_dn_str));
+ talloc_free(tmp_ctx);
return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
}
for (i = 0; i < spnmappings->num_values; i++) {
char *mapping, *p, *str;
- mapping = talloc_strdup(mem_ctx,
+ mapping = talloc_strdup(tmp_ctx,
(const char *)spnmappings->values[i].data);
if (!mapping) {
DEBUG(1, ("LDB_lookup_spn_alias: ldb_search: dn: %s did not have an sPNMapping\n", service_dn_str));
+ talloc_free(tmp_ctx);
return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
}
@@ -94,6 +106,7 @@ static enum drsuapi_DsNameStatus LDB_lookup_spn_alias(krb5_context context, stru
if (!p) {
DEBUG(1, ("ldb_search: dn: %s sPNMapping malformed: %s\n",
service_dn_str, mapping));
+ talloc_free(tmp_ctx);
return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
}
p[0] = '\0';
@@ -107,11 +120,14 @@ static enum drsuapi_DsNameStatus LDB_lookup_spn_alias(krb5_context context, stru
}
if (strcasecmp(str, alias_from) == 0) {
*alias_to = mapping;
+ talloc_steal(mem_ctx, mapping);
+ talloc_free(tmp_ctx);
return DRSUAPI_DS_NAME_STATUS_OK;
}
} while (p);
}
DEBUG(1, ("LDB_lookup_spn_alias: no alias for service %s applicable\n", alias_from));
+ talloc_free(tmp_ctx);
return DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
}
@@ -332,6 +348,8 @@ WERROR DsCrackNameOneName(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
talloc_free(domain);
break;
}
+
+ /* A LDAP DN as a string */
case DRSUAPI_DS_NAME_FORMAT_FQDN_1779: {
name_dn = ldb_dn_explode(mem_ctx, name);
domain_filter = NULL;
@@ -341,6 +359,8 @@ WERROR DsCrackNameOneName(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
}
break;
}
+
+ /* A GUID as a string */
case DRSUAPI_DS_NAME_FORMAT_GUID: {
struct GUID guid;
char *ldap_guid;
@@ -372,6 +392,7 @@ WERROR DsCrackNameOneName(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
break;
}
+ /* A S-1234-5678 style string */
case DRSUAPI_DS_NAME_FORMAT_SID_OR_SID_HISTORY: {
struct dom_sid *sid = dom_sid_parse_talloc(mem_ctx, name);
char *ldap_sid;
diff --git a/source4/kdc/hdb-ldb.c b/source4/kdc/hdb-ldb.c
index 86c1b048a7..0306bf3106 100644
--- a/source4/kdc/hdb-ldb.c
+++ b/source4/kdc/hdb-ldb.c
@@ -509,18 +509,11 @@ static krb5_error_code LDB_lookup_principal(krb5_context context, struct ldb_con
realm_dn_str = ldb_dn_linearize(mem_ctx, realm_dn);
- if (lret != LDB_SUCCESS || res->count == 0) {
- krb5_warnx(context, "ldb_search: basedn: '%s' filter: '%s' failed: %s",
- realm_dn_str, filter, ldb_errstring(ldb_ctx));
- krb5_set_error_string(context, "ldb_search: basedn: '%s' filter: '%s' failed: %s",
- realm_dn_str, filter, ldb_errstring(ldb_ctx));
+ if (lret != LDB_SUCCESS) {
+ DEBUG(3, ("Failed to search for %s: %s\n", filter, ldb_errstring(ldb_ctx)));
return HDB_ERR_NOENTRY;
- } else if (res->count > 1) {
- krb5_warnx(context, "ldb_search: basedn: '%s' filter: '%s' more than 1 entry: %d",
- realm_dn_str, filter, res->count);
- krb5_set_error_string(context, "ldb_search: basedn: '%s' filter: '%s' more than 1 entry: %d",
- realm_dn_str, filter, res->count);
- talloc_free(res);
+ } else if (res->count == 0 || res->count > 1) {
+ DEBUG(3, ("Failed find a single entry for %s: got %d\n", filter, res->count));
return HDB_ERR_NOENTRY;
}
talloc_steal(mem_ctx, res->msgs);
@@ -548,25 +541,21 @@ static krb5_error_code LDB_lookup_realm(krb5_context context, struct ldb_context
ret = ldb_search(ldb_ctx, NULL, LDB_SCOPE_SUBTREE, cross_ref_filter, realm_ref_attrs, &cross_ref_res);
- if (ret != LDB_SUCCESS || cross_ref_res->count == 0) {
- krb5_warnx(context, "ldb_search: filter: '%s' failed: %s", cross_ref_filter, ldb_errstring(ldb_ctx));
- krb5_set_error_string(context, "ldb_search: filter: '%s' failed: %s", cross_ref_filter, ldb_errstring(ldb_ctx));
-
+ if (ret != LDB_SUCCESS) {
+ DEBUG(3, ("Failed to search for %s: %s\n", cross_ref_filter, ldb_errstring(ldb_ctx)));
talloc_free(cross_ref_res);
return HDB_ERR_NOENTRY;
- } else if (cross_ref_res->count > 1) {
- krb5_warnx(context, "ldb_search: filter: '%s' more than 1 entry: %d", cross_ref_filter, cross_ref_res->count);
- krb5_set_error_string(context, "ldb_search: filter: '%s' more than 1 entry: %d", cross_ref_filter, cross_ref_res->count);
-
+ } else if (cross_ref_res->count == 0 || cross_ref_res->count > 1) {
+ DEBUG(3, ("Failed find a single entry for %s: got %d\n", cross_ref_filter, cross_ref_res->count));
talloc_free(cross_ref_res);
return HDB_ERR_NOENTRY;
}
if (pmsg) {
- *pmsg = talloc_steal(mem_ctx, cross_ref_res->msgs);
- } else {
- talloc_free(cross_ref_res);
+ *pmsg = cross_ref_res->msgs;
+ talloc_steal(mem_ctx, cross_ref_res->msgs);
}
+ talloc_free(cross_ref_res);
return 0;
}
@@ -922,6 +911,7 @@ static krb5_error_code LDB_firstkey(krb5_context context, HDB *db, unsigned flag
priv->count = res->count;
priv->msgs = talloc_steal(priv, res->msgs);
+ talloc_free(res);
db->hdb_openp = priv;
@@ -958,7 +948,6 @@ NTSTATUS kdc_hdb_ldb_create(TALLOC_CTX *mem_ctx,
{
NTSTATUS nt_status;
struct auth_session_info *session_info;
- struct gensec_security_ops **not_kerberos_list;
*db = talloc(mem_ctx, HDB);
if (!*db) {
krb5_set_error_string(context, "malloc: out of memory");
generated by cgit (git 2.34.1) at 2024-07-04 19:16:14 +0000