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-rw-r--r--source3/smbd/globals.c4
-rw-r--r--source3/smbd/globals.h5
-rw-r--r--source3/smbd/seal.c149
3 files changed, 54 insertions, 104 deletions
diff --git a/source3/smbd/globals.c b/source3/smbd/globals.c
index 196be17088..043b1da660 100644
--- a/source3/smbd/globals.c
+++ b/source3/smbd/globals.c
@@ -68,8 +68,8 @@ pid_t background_lpq_updater_pid = -1;
****************************************************************************/
uint32_t common_flags2 = FLAGS2_LONG_PATH_COMPONENTS|FLAGS2_32_BIT_ERROR_CODES|FLAGS2_EXTENDED_ATTRIBUTES;
-struct smb_srv_trans_enc_ctx *partial_srv_trans_enc_ctx = NULL;
-struct smb_srv_trans_enc_ctx *srv_trans_enc_ctx = NULL;
+struct smb_trans_enc_state *partial_srv_trans_enc_ctx = NULL;
+struct smb_trans_enc_state *srv_trans_enc_ctx = NULL;
/* A stack of security contexts. We include the current context as being
the first one, so there is room for another MAX_SEC_CTX_DEPTH more. */
diff --git a/source3/smbd/globals.h b/source3/smbd/globals.h
index 7095790b7c..472aeee5bb 100644
--- a/source3/smbd/globals.h
+++ b/source3/smbd/globals.h
@@ -74,9 +74,8 @@ extern pid_t background_lpq_updater_pid;
****************************************************************************/
extern uint32_t common_flags2;
-struct smb_srv_trans_enc_ctx;
-extern struct smb_srv_trans_enc_ctx *partial_srv_trans_enc_ctx;
-extern struct smb_srv_trans_enc_ctx *srv_trans_enc_ctx;
+extern struct smb_trans_enc_state *partial_srv_trans_enc_ctx;
+extern struct smb_trans_enc_state *srv_trans_enc_ctx;
struct sec_ctx {
struct security_unix_token ut;
diff --git a/source3/smbd/seal.c b/source3/smbd/seal.c
index 56d1f0381a..7d1d44e071 100644
--- a/source3/smbd/seal.c
+++ b/source3/smbd/seal.c
@@ -35,21 +35,12 @@
******************************************************************************/
/******************************************************************************
- Global server state.
-******************************************************************************/
-
-struct smb_srv_trans_enc_ctx {
- struct smb_trans_enc_state *es;
- struct gensec_security *gensec_security; /* Must be kept in sync with pointer in ec->ntlmssp_state. */
-};
-
-/******************************************************************************
Return global enc context - this must change if we ever do multiple contexts.
******************************************************************************/
-static uint16_t srv_enc_ctx(const struct smb_srv_trans_enc_ctx *ec)
+static uint16_t srv_enc_ctx(const struct smb_trans_enc_state *es)
{
- return ec->es->enc_ctx_num;
+ return es->enc_ctx_num;
}
/******************************************************************************
@@ -86,7 +77,7 @@ bool is_encrypted_packet(struct smbd_server_connection *sconn,
******************************************************************************/
static NTSTATUS make_auth_ntlmssp(const struct tsocket_address *remote_address,
- struct smb_srv_trans_enc_ctx *ec)
+ struct smb_trans_enc_state *es)
{
struct auth_ntlmssp_state *auth_ntlmssp_state;
NTSTATUS status = auth_ntlmssp_prepare(remote_address,
@@ -104,39 +95,15 @@ static NTSTATUS make_auth_ntlmssp(const struct tsocket_address *remote_address,
return nt_status_squash(status);
}
- /*
- * We must remember to update the pointer copy for the common
- * functions after any auth_ntlmssp_start/auth_ntlmssp_end.
- */
- ec->es->s.gensec_security = ec->gensec_security;
-
/* We do not need the auth_ntlmssp layer any more, which was
* allocated on NULL, so promote gensec_security to the NULL
* context */
- ec->gensec_security = talloc_move(NULL, &auth_ntlmssp_state->gensec_security);
+ es->s.gensec_security = talloc_move(NULL, &auth_ntlmssp_state->gensec_security);
TALLOC_FREE(auth_ntlmssp_state);
return status;
}
-/******************************************************************************
- Destroy an auth_ntlmssp_state and ensure pointer copy is correct.
-******************************************************************************/
-
-static void destroy_auth_ntlmssp(struct smb_srv_trans_enc_ctx *ec)
-{
- /*
- * We must remember to update the pointer copy for the common
- * functions after any auth_ntlmssp_start/auth_ntlmssp_end.
- */
-
- if (ec->gensec_security) {
- TALLOC_FREE(ec->gensec_security);
- /* The auth_ntlmssp_end killed this already. */
- ec->es->s.gensec_security = NULL;
- }
-}
-
#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
/******************************************************************************
@@ -212,7 +179,7 @@ static NTSTATUS get_srv_gss_creds(const char *service,
host/server@realm.
******************************************************************************/
-static NTSTATUS make_auth_gss(struct smb_srv_trans_enc_ctx *ec)
+static NTSTATUS make_auth_gss(struct smb_trans_enc_state *es)
{
NTSTATUS status;
gss_cred_id_t srv_cred;
@@ -229,17 +196,17 @@ static NTSTATUS make_auth_gss(struct smb_srv_trans_enc_ctx *ec)
}
}
- ec->es->s.gss_state = SMB_MALLOC_P(struct smb_tran_enc_state_gss);
- if (!ec->es->s.gss_state) {
+ es->s.gss_state = SMB_MALLOC_P(struct smb_tran_enc_state_gss);
+ if (!es->s.gss_state) {
OM_uint32 min;
gss_release_cred(&min, &srv_cred);
return NT_STATUS_NO_MEMORY;
}
- ZERO_STRUCTP(ec->es->s.gss_state);
- ec->es->s.gss_state->creds = srv_cred;
+ ZERO_STRUCTP(es->s.gss_state);
+ es->s.gss_state->creds = srv_cred;
/* No context yet. */
- ec->es->s.gss_state->gss_ctx = GSS_C_NO_CONTEXT;
+ es->s.gss_state->gss_ctx = GSS_C_NO_CONTEXT;
return NT_STATUS_OK;
}
@@ -249,29 +216,18 @@ static NTSTATUS make_auth_gss(struct smb_srv_trans_enc_ctx *ec)
Shutdown a server encryption context.
******************************************************************************/
-static void srv_free_encryption_context(struct smb_srv_trans_enc_ctx **pp_ec)
+static void srv_free_encryption_context(struct smb_trans_enc_state **pp_es)
{
- struct smb_srv_trans_enc_ctx *ec = *pp_ec;
+ struct smb_trans_enc_state *es = *pp_es;
- if (!ec) {
+ if (!es) {
return;
}
- if (ec->es) {
- switch (ec->es->smb_enc_type) {
- case SMB_TRANS_ENC_NTLM:
- destroy_auth_ntlmssp(ec);
- break;
-#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
- case SMB_TRANS_ENC_GSS:
- break;
-#endif
- }
- common_free_encryption_state(&ec->es);
- }
+ common_free_encryption_state(&es);
- SAFE_FREE(ec);
- *pp_ec = NULL;
+ SAFE_FREE(es);
+ *pp_es = NULL;
}
/******************************************************************************
@@ -280,31 +236,26 @@ static void srv_free_encryption_context(struct smb_srv_trans_enc_ctx **pp_ec)
static NTSTATUS make_srv_encryption_context(const struct tsocket_address *remote_address,
enum smb_trans_enc_type smb_enc_type,
- struct smb_srv_trans_enc_ctx **pp_ec)
+ struct smb_trans_enc_state **pp_es)
{
- struct smb_srv_trans_enc_ctx *ec;
+ struct smb_trans_enc_state *es;
- *pp_ec = NULL;
+ *pp_es = NULL;
- ec = SMB_MALLOC_P(struct smb_srv_trans_enc_ctx);
- if (!ec) {
- return NT_STATUS_NO_MEMORY;
- }
ZERO_STRUCTP(partial_srv_trans_enc_ctx);
- ec->es = SMB_MALLOC_P(struct smb_trans_enc_state);
- if (!ec->es) {
- SAFE_FREE(ec);
+ es = SMB_MALLOC_P(struct smb_trans_enc_state);
+ if (!es) {
return NT_STATUS_NO_MEMORY;
}
- ZERO_STRUCTP(ec->es);
- ec->es->smb_enc_type = smb_enc_type;
+ ZERO_STRUCTP(es);
+ es->smb_enc_type = smb_enc_type;
switch (smb_enc_type) {
case SMB_TRANS_ENC_NTLM:
{
NTSTATUS status = make_auth_ntlmssp(remote_address,
- ec);
+ es);
if (!NT_STATUS_IS_OK(status)) {
- srv_free_encryption_context(&ec);
+ srv_free_encryption_context(&es);
return status;
}
}
@@ -314,19 +265,19 @@ static NTSTATUS make_srv_encryption_context(const struct tsocket_address *remote
case SMB_TRANS_ENC_GSS:
/* Acquire our credentials by calling gss_acquire_cred here. */
{
- NTSTATUS status = make_auth_gss(ec);
+ NTSTATUS status = make_auth_gss(es);
if (!NT_STATUS_IS_OK(status)) {
- srv_free_encryption_context(&ec);
+ srv_free_encryption_context(&es);
return status;
}
}
break;
#endif
default:
- srv_free_encryption_context(&ec);
+ srv_free_encryption_context(&es);
return NT_STATUS_INVALID_PARAMETER;
}
- *pp_ec = ec;
+ *pp_es = es;
return NT_STATUS_OK;
}
@@ -345,7 +296,7 @@ void srv_free_enc_buffer(struct smbd_server_connection *sconn, char *buf)
}
if (srv_trans_enc_ctx) {
- common_free_enc_buffer(srv_trans_enc_ctx->es, buf);
+ common_free_enc_buffer(srv_trans_enc_ctx, buf);
}
}
@@ -361,7 +312,7 @@ NTSTATUS srv_decrypt_buffer(struct smbd_server_connection *sconn, char *buf)
}
if (srv_trans_enc_ctx) {
- return common_decrypt_buffer(srv_trans_enc_ctx->es, buf);
+ return common_decrypt_buffer(srv_trans_enc_ctx, buf);
}
return NT_STATUS_OK;
@@ -382,7 +333,7 @@ NTSTATUS srv_encrypt_buffer(struct smbd_server_connection *sconn, char *buf,
}
if (srv_trans_enc_ctx) {
- return common_encrypt_buffer(srv_trans_enc_ctx->es, buf, buf_out);
+ return common_encrypt_buffer(srv_trans_enc_ctx, buf, buf_out);
}
/* Not encrypting. */
return NT_STATUS_OK;
@@ -417,7 +368,7 @@ static NTSTATUS srv_enc_spnego_gss_negotiate(const struct tsocket_address *remot
}
}
- gss_state = partial_srv_trans_enc_ctx->es->s.gss_state;
+ gss_state = partial_srv_trans_enc_ctx->s.gss_state;
in_buf.value = secblob.data;
in_buf.length = secblob.length;
@@ -498,7 +449,7 @@ static NTSTATUS srv_enc_ntlm_negotiate(const struct tsocket_address *remote_addr
return status;
}
- status = gensec_update(partial_srv_trans_enc_ctx->gensec_security,
+ status = gensec_update(partial_srv_trans_enc_ctx->s.gensec_security,
talloc_tos(), NULL,
secblob, &chal);
@@ -585,7 +536,7 @@ static NTSTATUS srv_enc_spnego_negotiate(connection_struct *conn,
if (!(*pparam = SMB_MALLOC_ARRAY(unsigned char, 2))) {
return NT_STATUS_NO_MEMORY;
}
- SSVAL(*pparam,0,partial_srv_trans_enc_ctx->es->enc_ctx_num);
+ SSVAL(*pparam,0,partial_srv_trans_enc_ctx->enc_ctx_num);
*p_param_size = 2;
}
@@ -608,11 +559,11 @@ static NTSTATUS srv_enc_spnego_ntlm_auth(connection_struct *conn,
DATA_BLOB auth = data_blob_null;
DATA_BLOB auth_reply = data_blob_null;
DATA_BLOB response = data_blob_null;
- struct smb_srv_trans_enc_ctx *ec = partial_srv_trans_enc_ctx;
+ struct smb_trans_enc_state *es = partial_srv_trans_enc_ctx;
/* We must have a partial context here. */
- if (!ec || !ec->es || ec->gensec_security == NULL || ec->es->smb_enc_type != SMB_TRANS_ENC_NTLM) {
+ if (!es || es->s.gensec_security == NULL || es->smb_enc_type != SMB_TRANS_ENC_NTLM) {
srv_free_encryption_context(&partial_srv_trans_enc_ctx);
return NT_STATUS_INVALID_PARAMETER;
}
@@ -623,7 +574,7 @@ static NTSTATUS srv_enc_spnego_ntlm_auth(connection_struct *conn,
return NT_STATUS_INVALID_PARAMETER;
}
- status = gensec_update(ec->gensec_security, talloc_tos(), NULL, auth, &auth_reply);
+ status = gensec_update(es->s.gensec_security, talloc_tos(), NULL, auth, &auth_reply);
data_blob_free(&auth);
/* From RFC4178.
@@ -643,7 +594,7 @@ static NTSTATUS srv_enc_spnego_ntlm_auth(connection_struct *conn,
if (!(*pparam = SMB_MALLOC_ARRAY(unsigned char, 2))) {
return NT_STATUS_NO_MEMORY;
}
- SSVAL(*pparam,0,ec->es->enc_ctx_num);
+ SSVAL(*pparam,0,es->enc_ctx_num);
*p_param_size = 2;
}
@@ -670,7 +621,7 @@ static NTSTATUS srv_enc_raw_ntlm_auth(connection_struct *conn,
NTSTATUS status;
DATA_BLOB blob = data_blob_const(*ppdata, *p_data_size);
DATA_BLOB response = data_blob_null;
- struct smb_srv_trans_enc_ctx *ec;
+ struct smb_trans_enc_state *es;
if (!partial_srv_trans_enc_ctx) {
/* This is the initial step. */
@@ -686,14 +637,14 @@ static NTSTATUS srv_enc_raw_ntlm_auth(connection_struct *conn,
return status;
}
- ec = partial_srv_trans_enc_ctx;
- if (!ec || !ec->es || ec->gensec_security == NULL || ec->es->smb_enc_type != SMB_TRANS_ENC_NTLM) {
+ es = partial_srv_trans_enc_ctx;
+ if (!es || es->s.gensec_security == NULL || es->smb_enc_type != SMB_TRANS_ENC_NTLM) {
srv_free_encryption_context(&partial_srv_trans_enc_ctx);
return NT_STATUS_INVALID_PARAMETER;
}
/* Second step. */
- status = gensec_update(partial_srv_trans_enc_ctx->gensec_security,
+ status = gensec_update(partial_srv_trans_enc_ctx->s.gensec_security,
talloc_tos(), NULL,
blob, &response);
@@ -702,7 +653,7 @@ static NTSTATUS srv_enc_raw_ntlm_auth(connection_struct *conn,
if (!(*pparam = SMB_MALLOC_ARRAY(unsigned char, 2))) {
return NT_STATUS_NO_MEMORY;
}
- SSVAL(*pparam,0,ec->es->enc_ctx_num);
+ SSVAL(*pparam, 0, es->enc_ctx_num);
*p_param_size = 2;
}
@@ -763,18 +714,18 @@ NTSTATUS srv_request_encryption_setup(connection_struct *conn,
Negotiation was successful - turn on server-side encryption.
******************************************************************************/
-static NTSTATUS check_enc_good(struct smb_srv_trans_enc_ctx *ec)
+static NTSTATUS check_enc_good(struct smb_trans_enc_state *es)
{
- if (!ec || !ec->es) {
+ if (!es) {
return NT_STATUS_LOGON_FAILURE;
}
- if (ec->es->smb_enc_type == SMB_TRANS_ENC_NTLM) {
- if (!gensec_have_feature(ec->gensec_security, GENSEC_FEATURE_SIGN)) {
+ if (es->smb_enc_type == SMB_TRANS_ENC_NTLM) {
+ if (!gensec_have_feature(es->s.gensec_security, GENSEC_FEATURE_SIGN)) {
return NT_STATUS_INVALID_PARAMETER;
}
- if (!gensec_have_feature(ec->gensec_security, GENSEC_FEATURE_SEAL)) {
+ if (!gensec_have_feature(es->s.gensec_security, GENSEC_FEATURE_SEAL)) {
return NT_STATUS_INVALID_PARAMETER;
}
}
@@ -801,7 +752,7 @@ NTSTATUS srv_encryption_start(connection_struct *conn)
/* Steal the partial pointer. Deliberate shallow copy. */
srv_trans_enc_ctx = partial_srv_trans_enc_ctx;
- srv_trans_enc_ctx->es->enc_on = true;
+ srv_trans_enc_ctx->enc_on = true;
partial_srv_trans_enc_ctx = NULL;
generated by cgit (git 2.34.1) at 2024-12-12 02:53:18 +0000