diff options
Diffstat (limited to 'source4/librpc/rpc/dcerpc_connect.c')
| -rw-r--r-- | source4/librpc/rpc/dcerpc_connect.c | 35 |
1 files changed, 30 insertions, 5 deletions
diff --git a/source4/librpc/rpc/dcerpc_connect.c b/source4/librpc/rpc/dcerpc_connect.c index 35a0602cbf..03a408de79 100644 --- a/source4/librpc/rpc/dcerpc_connect.c +++ b/source4/librpc/rpc/dcerpc_connect.c @@ -44,7 +44,7 @@ struct pipe_np_smb_state { /* - Stage 3 of ncacn_np_smb: Named pipe opened (?) + Stage 3 of ncacn_np_smb: Named pipe opened (or not) */ void continue_pipe_open_smb(struct composite_context *ctx) { @@ -52,7 +52,8 @@ void continue_pipe_open_smb(struct composite_context *ctx) struct composite_context); struct pipe_np_smb_state *s = talloc_get_type(c->private_data, struct pipe_np_smb_state); - /* receive result of named pipe open request */ + + /* receive result of named pipe open request on smb */ c->status = dcerpc_pipe_open_smb_recv(ctx); if (!NT_STATUS_IS_OK(c->status)) { DEBUG(0,("Failed to open pipe %s - %s\n", s->io.pipe_name, nt_errstr(c->status))); @@ -202,6 +203,9 @@ struct pipe_np_smb2_state { }; +/* + Stage 3 of ncacn_np_smb: Named pipe opened (or not) +*/ void continue_pipe_open_smb2(struct composite_context *ctx) { struct composite_context *c = talloc_get_type(ctx->async.private_data, @@ -209,6 +213,7 @@ void continue_pipe_open_smb2(struct composite_context *ctx) struct pipe_np_smb2_state *s = talloc_get_type(c->private_data, struct pipe_np_smb2_state); + /* receive result of named pipe open request on smb2 */ c->status = dcerpc_pipe_open_smb2_recv(ctx); if (!NT_STATUS_IS_OK(c->status)) { DEBUG(0,("Failed to open pipe %s - %s\n", s->io.pipe_name, nt_errstr(c->status))); @@ -220,6 +225,9 @@ void continue_pipe_open_smb2(struct composite_context *ctx) } +/* + Stage 2 of ncacn_np_smb2: Open a named pipe after successful smb2 connection +*/ void continue_smb2_connect(struct composite_context *ctx) { struct composite_context *open_req; @@ -228,15 +236,18 @@ void continue_smb2_connect(struct composite_context *ctx) struct pipe_np_smb2_state *s = talloc_get_type(c->private_data, struct pipe_np_smb2_state); + /* receive result of smb2 connect request */ c->status = smb2_connect_recv(ctx, c, &s->tree); if (!NT_STATUS_IS_OK(c->status)) { DEBUG(0,("Failed to connect to %s - %s\n", s->io.binding->host, nt_errstr(c->status))); composite_error(c, c->status); return; } - + + /* prepare named pipe open parameters */ s->io.pipe_name = s->io.binding->endpoint; + /* send named pipe open request */ open_req = dcerpc_pipe_open_smb2_send(s->io.pipe->conn, s->tree, s->io.pipe_name); if (open_req == NULL) { composite_error(c, NT_STATUS_NO_MEMORY); @@ -247,6 +258,10 @@ void continue_smb2_connect(struct composite_context *ctx) } +/* + Initiate async open of a rpc connection request on SMB2 using + the binding structure to determine the endpoint and options +*/ struct composite_context *dcerpc_pipe_connect_ncacn_np_smb2_send(TALLOC_CTX *mem_ctx, struct dcerpc_pipe_connect *io) { @@ -254,6 +269,7 @@ struct composite_context *dcerpc_pipe_connect_ncacn_np_smb2_send(TALLOC_CTX *mem struct pipe_np_smb2_state *s; struct composite_context *conn_req; + /* composite context allocation and setup */ c = talloc_zero(mem_ctx, struct composite_context); if (c == NULL) return NULL; @@ -269,6 +285,10 @@ struct composite_context *dcerpc_pipe_connect_ncacn_np_smb2_send(TALLOC_CTX *mem s->io = *io; + /* + * provide proper credentials - user supplied or anonymous in case this is + * schannel connection + */ if (s->io.binding->flags & DCERPC_SCHANNEL) { s->io.creds = cli_credentials_init(mem_ctx); if (s->io.creds) { @@ -280,6 +300,7 @@ struct composite_context *dcerpc_pipe_connect_ncacn_np_smb2_send(TALLOC_CTX *mem cli_credentials_guess(s->io.creds); } + /* send smb2 connect request */ conn_req = smb2_connect_send(mem_ctx, s->io.binding->host, "IPC$", s->io.creds, c->event_ctx); if (conn_req == NULL) { @@ -294,6 +315,9 @@ done: } +/* + Receive result of a rpc connection to a rpc pipe on SMB2 +*/ NTSTATUS dcerpc_pipe_connect_ncacn_np_smb2_recv(struct composite_context *c) { NTSTATUS status = composite_wait(c); @@ -303,8 +327,9 @@ NTSTATUS dcerpc_pipe_connect_ncacn_np_smb2_recv(struct composite_context *c) } -/* open a rpc connection to a rpc pipe on SMB2 using the binding - structure to determine the endpoint and options */ +/* + Sync version of a rpc connection to a rpc pipe on SMB2 +*/ NTSTATUS dcerpc_pipe_connect_ncacn_np_smb2(TALLOC_CTX *mem_ctx, struct dcerpc_pipe_connect *io) { |