Add new function smbXcli_session_copy(), to be used when creating compound SMB2 requests.

Copies the signing state needed to make client compound requests work
on signed connections.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Richard Sharpe <realrichardsharpe@gmail.com>

2 files changed, 29 insertions, 0 deletions

diff --git a/libcli/smb/smbXcli_base.c b/libcli/smb/smbXcli_base.c
index c547515d59..421e884c90 100644
--- a/libcli/smb/smbXcli_base.c
+++ b/libcli/smb/smbXcli_base.c
@@ -4482,6 +4482,33 @@ struct smbXcli_session *smbXcli_session_create(TALLOC_CTX *mem_ctx,
 	return session;
 }
 
+struct smbXcli_session *smbXcli_session_copy(TALLOC_CTX *mem_ctx,
+						struct smbXcli_session *src)
+{
+	struct smbXcli_session *session;
+
+	session = talloc_zero(mem_ctx, struct smbXcli_session);
+	if (session == NULL) {
+		return NULL;
+	}
+	session->smb2 = talloc_zero(session, struct smb2cli_session);
+	if (session->smb2 == NULL) {
+		talloc_free(session);
+		return NULL;
+	}
+
+	session->conn = src->conn;
+	*session->smb2 = *src->smb2;
+	session->smb2_channel = src->smb2_channel;
+	session->disconnect_expired = src->disconnect_expired;
+
+	DLIST_ADD_END(src->conn->sessions, session, struct smbXcli_session *);
+	talloc_set_destructor(session, smbXcli_session_destructor);
+
+	return session;
+}
+
+
 NTSTATUS smbXcli_session_application_key(struct smbXcli_session *session,
 					 TALLOC_CTX *mem_ctx,
 					 DATA_BLOB *key)
diff --git a/libcli/smb/smbXcli_base.h b/libcli/smb/smbXcli_base.h
index b720bc6e8c..f7b60d30bb 100644
--- a/libcli/smb/smbXcli_base.h
+++ b/libcli/smb/smbXcli_base.h
@@ -260,6 +260,8 @@ NTSTATUS smbXcli_negprot(struct smbXcli_conn *conn,
 
 struct smbXcli_session *smbXcli_session_create(TALLOC_CTX *mem_ctx,
 					       struct smbXcli_conn *conn);
+struct smbXcli_session *smbXcli_session_copy(TALLOC_CTX *mem_ctx,
+					       struct smbXcli_session *src);
 NTSTATUS smbXcli_session_application_key(struct smbXcli_session *session,
 					 TALLOC_CTX *mem_ctx,
 					 DATA_BLOB *key);