#include "includes.h"
#include "auth/credentials/credentials.h"
+#include "auth/auth.h"
#include "auth/gensec/gensec.h"
+#include "libcli/raw/libcliraw.h"
+#include "libcli/raw/raw_proto.h"
#include "libcli/smb2/smb2.h"
#include "libcli/smb2/smb2_calls.h"
#include "smb_server/smb_server.h"
-#include "smb_server/service_smb_proto.h"
#include "smb_server/smb2/smb2_server.h"
#include "smbd/service_stream.h"
#include "param/param.h"
NTSTATUS nt_status;
struct cli_credentials *server_credentials;
- nt_status = gensec_server_start(req,
- req->smb_conn->connection->event.ctx,
- req->smb_conn->connection->msg_ctx,
- &gensec_security);
- if (!NT_STATUS_IS_OK(nt_status)) {
- DEBUG(0, ("Failed to start GENSEC: %s\n", nt_errstr(nt_status)));
- smbsrv_terminate_connection(req->smb_conn, "Failed to start GENSEC\n");
- return nt_status;
- }
-
server_credentials = cli_credentials_init(req);
if (!server_credentials) {
smbsrv_terminate_connection(req->smb_conn, "Failed to init server credentials\n");
return NT_STATUS_NO_MEMORY;
}
- cli_credentials_set_conf(server_credentials, global_loadparm);
- nt_status = cli_credentials_set_machine_account(server_credentials);
+ cli_credentials_set_conf(server_credentials, req->smb_conn->lp_ctx);
+ nt_status = cli_credentials_set_machine_account(server_credentials, req->smb_conn->lp_ctx);
if (!NT_STATUS_IS_OK(nt_status)) {
DEBUG(10, ("Failed to obtain server credentials, perhaps a standalone server?: %s\n", nt_errstr(nt_status)));
talloc_free(server_credentials);
req->smb_conn->negotiate.server_credentials = talloc_steal(req->smb_conn, server_credentials);
+ nt_status = samba_server_gensec_start(req,
+ req->smb_conn->connection->event.ctx,
+ req->smb_conn->connection->msg_ctx,
+ req->smb_conn->lp_ctx,
+ server_credentials,
+ "cifs",
+ &gensec_security);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ DEBUG(0, ("Failed to start GENSEC: %s\n", nt_errstr(nt_status)));
+ smbsrv_terminate_connection(req->smb_conn, "Failed to start GENSEC\n");
+ return nt_status;
+ }
+
gensec_set_target_service(gensec_security, "cifs");
gensec_set_credentials(gensec_security, server_credentials);
NTSTATUS status;
struct timeval current_time;
struct timeval boot_time;
+ uint16_t i;
+ uint16_t dialect = 0;
+
+ /* we only do one dialect for now */
+ if (io->in.dialect_count < 1) {
+ return NT_STATUS_NOT_SUPPORTED;
+ }
+ for (i=0; i < io->in.dialect_count; i++) {
+ dialect = io->in.dialects[i];
+ if (dialect == SMB2_DIALECT_REVISION_202) {
+ break;
+ }
+ }
+ if (dialect != SMB2_DIALECT_REVISION_202) {
+ DEBUG(0,("Got unexpected SMB2 dialect %u\n", dialect));
+ return NT_STATUS_NOT_SUPPORTED;
+ }
req->smb_conn->negotiate.protocol = PROTOCOL_SMB2;
current_time = timeval_current(); /* TODO: handle timezone?! */
boot_time = timeval_current(); /* TODO: fix me */
- io->out._pad = 0;
- io->out.unknown2 = 0x06;
- ZERO_STRUCT(io->out.sessid);
- io->out.unknown3 = 0x0d;
- io->out.unknown4 = 0x00;
- io->out.unknown5 = 0x01;
- io->out.unknown6 = 0x01;
- io->out.unknown7 = 0x01;
- io->out.current_time = timeval_to_nttime(¤t_time);
- io->out.boot_time = timeval_to_nttime(&boot_time);
+ ZERO_STRUCT(io->out);
+ switch (lp_server_signing(req->smb_conn->lp_ctx)) {
+ case SMB_SIGNING_OFF:
+ io->out.security_mode = 0;
+ break;
+ case SMB_SIGNING_SUPPORTED:
+ case SMB_SIGNING_AUTO:
+ io->out.security_mode = SMB2_NEGOTIATE_SIGNING_ENABLED;
+ break;
+ case SMB_SIGNING_REQUIRED:
+ io->out.security_mode = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED;
+ /* force signing on immediately */
+ req->smb_conn->smb2_signing_required = true;
+ break;
+ }
+ io->out.dialect_revision = dialect;
+ io->out.capabilities = 0;
+ io->out.max_transact_size = lp_parm_ulong(req->smb_conn->lp_ctx, NULL,
+ "smb2", "max transaction size", 0x10000);
+ io->out.max_read_size = lp_parm_ulong(req->smb_conn->lp_ctx, NULL,
+ "smb2", "max read size", 0x10000);
+ io->out.max_write_size = lp_parm_ulong(req->smb_conn->lp_ctx, NULL,
+ "smb2", "max write size", 0x10000);
+ io->out.system_time = timeval_to_nttime(¤t_time);
+ io->out.server_start_time = timeval_to_nttime(&boot_time);
+ io->out.reserved2 = 0;
status = smb2srv_negprot_secblob(req, &io->out.secblob);
NT_STATUS_NOT_OK_RETURN(status);
- io->out.unknown9 = 0x204d4c20;
return NT_STATUS_OK;
}
return;
}
- SSVAL(req->out.body, 0x02, io->out._pad);
- SIVAL(req->out.body, 0x04, io->out.unknown2);
- memcpy(req->out.body+0x08, io->out.sessid, 16);
- SIVAL(req->out.body, 0x18, io->out.unknown3);
- SSVAL(req->out.body, 0x1C, io->out.unknown4);
- SIVAL(req->out.body, 0x1E, io->out.unknown5);
- SIVAL(req->out.body, 0x22, io->out.unknown6);
- SSVAL(req->out.body, 0x26, io->out.unknown7);
- push_nttime(req->out.body, 0x28, io->out.current_time);
- push_nttime(req->out.body, 0x30, io->out.boot_time);
+ SSVAL(req->out.body, 0x02, io->out.security_mode);
+ SIVAL(req->out.body, 0x04, io->out.dialect_revision);
+ SIVAL(req->out.body, 0x06, io->out.reserved);
+ status = smbcli_push_guid(req->out.body, 0x08, &io->out.server_guid);
+ if (!NT_STATUS_IS_OK(status)) {
+ smbsrv_terminate_connection(req->smb_conn, nt_errstr(status));
+ talloc_free(req);
+ return;
+ }
+ SIVAL(req->out.body, 0x18, io->out.capabilities);
+ SIVAL(req->out.body, 0x1C, io->out.max_transact_size);
+ SIVAL(req->out.body, 0x20, io->out.max_read_size);
+ SIVAL(req->out.body, 0x24, io->out.max_write_size);
+ push_nttime(req->out.body, 0x28, io->out.system_time);
+ push_nttime(req->out.body, 0x30, io->out.server_start_time);
+ SIVAL(req->out.body, 0x3C, io->out.reserved2);
status = smb2_push_o16s16_blob(&req->out, 0x38, io->out.secblob);
if (!NT_STATUS_IS_OK(status)) {
smbsrv_terminate_connection(req->smb_conn, nt_errstr(status));
return;
}
- SIVAL(req->out.body, 0x3C, io->out.unknown9);
-
smb2srv_send_reply(req);
}
void smb2srv_negprot_recv(struct smb2srv_request *req)
{
struct smb2_negprot *io;
+ int i;
if (req->in.body_size < 0x26) {
- smb2srv_send_error(req, NT_STATUS_FOOBAR);
+ smbsrv_terminate_connection(req->smb_conn, "Bad body size in SMB2 negprot");
return;
}
return;
}
- io->in.unknown1 = SVAL(req->in.body, 0x02);
- memcpy(io->in.unknown2, req->in.body + 0x04, 0x20);
- io->in.unknown3 = SVAL(req->in.body, 0x24);
+ io->in.dialect_count = SVAL(req->in.body, 0x02);
+ io->in.security_mode = SVAL(req->in.body, 0x04);
+ io->in.reserved = SVAL(req->in.body, 0x06);
+ io->in.capabilities = IVAL(req->in.body, 0x08);
+ req->status = smbcli_pull_guid(req->in.body, 0xC, &io->in.client_guid);
+ if (!NT_STATUS_IS_OK(req->status)) {
+ smbsrv_terminate_connection(req->smb_conn, "Bad GUID in SMB2 negprot");
+ talloc_free(req);
+ return;
+ }
+ io->in.start_time = smbcli_pull_nttime(req->in.body, 0x1C);
+
+ io->in.dialects = talloc_array(req, uint16_t, io->in.dialect_count);
+ if (io->in.dialects == NULL) {
+ smbsrv_terminate_connection(req->smb_conn, nt_errstr(NT_STATUS_NO_MEMORY));
+ talloc_free(req);
+ return;
+ }
+ for (i=0;i<io->in.dialect_count;i++) {
+ io->in.dialects[i] = SVAL(req->in.body, 0x24+i*2);
+ }
req->status = smb2srv_negprot_backend(req, io);
}
/*
- * reply to a SMB negprot request with dialect "SMB 2.001"
+ * reply to a SMB negprot request with dialect "SMB 2.002"
*/
void smb2srv_reply_smb_negprot(struct smbsrv_request *smb_req)
{
struct smb2srv_request *req;
uint32_t body_fixed_size = 0x26;
- /* create a fake SMB2 negprot request */
req = talloc_zero(smb_req->smb_conn, struct smb2srv_request);
if (!req) goto nomem;
req->smb_conn = smb_req->smb_conn;
req->in.body_size = body_fixed_size;
req->in.dynamic = NULL;
+ smb2srv_setup_bufinfo(req);
+
SIVAL(req->in.hdr, 0, SMB2_MAGIC);
SSVAL(req->in.hdr, SMB2_HDR_LENGTH, SMB2_HDR_BODY);
- SSVAL(req->in.hdr, SMB2_HDR_PAD1, 0);
+ SSVAL(req->in.hdr, SMB2_HDR_EPOCH, 0);
SIVAL(req->in.hdr, SMB2_HDR_STATUS, 0);
SSVAL(req->in.hdr, SMB2_HDR_OPCODE, SMB2_OP_NEGPROT);
- SSVAL(req->in.hdr, SMB2_HDR_UNKNOWN1, 0);
+ SSVAL(req->in.hdr, SMB2_HDR_CREDIT, 0);
SIVAL(req->in.hdr, SMB2_HDR_FLAGS, 0);
- SIVAL(req->in.hdr, SMB2_HDR_CHAIN_OFFSET, 0);
- SBVAL(req->in.hdr, SMB2_HDR_SEQNUM, 0);
+ SIVAL(req->in.hdr, SMB2_HDR_NEXT_COMMAND, 0);
+ SBVAL(req->in.hdr, SMB2_HDR_MESSAGE_ID, 0);
SIVAL(req->in.hdr, SMB2_HDR_PID, 0);
SIVAL(req->in.hdr, SMB2_HDR_TID, 0);
- SBVAL(req->in.hdr, SMB2_HDR_UID, 0);
- memset(req->in.hdr+SMB2_HDR_SIG, 0, 16);
+ SBVAL(req->in.hdr, SMB2_HDR_SESSION_ID, 0);
+ memset(req->in.hdr+SMB2_HDR_SIGNATURE, 0, 16);
/* this seems to be a bug, they use 0x24 but the length is 0x26 */
SSVAL(req->in.body, 0x00, 0x24);
SSVAL(req->in.body, 0x02, 1);
memset(req->in.body+0x04, 0, 32);
- SSVAL(req->in.body, 0x24, 0);
+ SSVAL(req->in.body, 0x24, SMB2_DIALECT_REVISION_202);
smb2srv_negprot_recv(req);
return;
git.samba.org / samba.git / blobdiff