diff options
Diffstat (limited to 'source4/librpc/rpc/dcerpc_connect.c')
-rw-r--r-- | source4/librpc/rpc/dcerpc_connect.c | 128 |
1 files changed, 38 insertions, 90 deletions
diff --git a/source4/librpc/rpc/dcerpc_connect.c b/source4/librpc/rpc/dcerpc_connect.c index d69db51eb4..5f5f5f3f51 100644 --- a/source4/librpc/rpc/dcerpc_connect.c +++ b/source4/librpc/rpc/dcerpc_connect.c @@ -98,15 +98,12 @@ struct composite_context *dcerpc_pipe_connect_ncacn_np_smb_send(TALLOC_CTX *mem_ struct smb_composite_connect *conn; /* composite context allocation and setup */ - c = talloc_zero(mem_ctx, struct composite_context); + c = composite_create(mem_ctx, io->pipe->conn->event_ctx); if (c == NULL) return NULL; s = talloc_zero(c, struct pipe_np_smb_state); if (composite_nomem(s, c)) return c; - - c->state = COMPOSITE_STATE_IN_PROGRESS; c->private_data = s; - c->event_ctx = io->pipe->conn->event_ctx; s->io = *io; conn = &s->conn; @@ -229,15 +226,12 @@ struct composite_context *dcerpc_pipe_connect_ncacn_np_smb2_send(TALLOC_CTX *mem struct composite_context *conn_req; /* composite context allocation and setup */ - c = talloc_zero(mem_ctx, struct composite_context); + c = composite_create(mem_ctx, io->pipe->conn->event_ctx); if (c == NULL) return NULL; s = talloc_zero(c, struct pipe_np_smb2_state); if (composite_nomem(s, c)) return c; - - c->state = COMPOSITE_STATE_IN_PROGRESS; c->private_data = s; - c->event_ctx = io->pipe->conn->event_ctx; s->io = *io; @@ -256,10 +250,7 @@ struct composite_context *dcerpc_pipe_connect_ncacn_np_smb2_send(TALLOC_CTX *mem /* send smb2 connect request */ conn_req = smb2_connect_send(mem_ctx, s->io.binding->host, "IPC$", s->io.creds, c->event_ctx); - if (composite_nomem(conn_req, c)) return c; - composite_continue(c, conn_req, continue_smb2_connect, c); - return c; } @@ -323,15 +314,12 @@ struct composite_context* dcerpc_pipe_connect_ncacn_ip_tcp_send(TALLOC_CTX *mem_ struct composite_context *pipe_req; /* composite context allocation and setup */ - c = talloc_zero(mem_ctx, struct composite_context); + c = composite_create(mem_ctx, io->pipe->conn->event_ctx); if (c == NULL) return NULL; s = talloc_zero(c, struct pipe_ip_tcp_state); if (composite_nomem(s, c)) return c; - - c->state = COMPOSITE_STATE_IN_PROGRESS; c->private_data = s; - c->event_ctx = io->pipe->conn->event_ctx; /* store input parameters in state structure */ s->io = *io; @@ -340,8 +328,6 @@ struct composite_context* dcerpc_pipe_connect_ncacn_ip_tcp_send(TALLOC_CTX *mem_ /* send pipe open request on tcp/ip */ pipe_req = dcerpc_pipe_open_tcp_send(s->io.pipe->conn, s->host, s->port); - if (composite_nomem(pipe_req, c)) return c; - composite_continue(c, pipe_req, continue_pipe_open_ncacn_ip_tcp, c); return c; } @@ -405,15 +391,12 @@ struct composite_context* dcerpc_pipe_connect_ncacn_unix_stream_send(TALLOC_CTX struct composite_context *pipe_req; /* composite context allocation and setup */ - c = talloc_zero(mem_ctx, struct composite_context); + c = composite_create(mem_ctx, io->pipe->conn->event_ctx); if (c == NULL) return NULL; s = talloc_zero(c, struct pipe_unix_state); if (composite_nomem(s, c)) return c; - - c->state = COMPOSITE_STATE_IN_PROGRESS; c->private_data = s; - c->event_ctx = io->pipe->conn->event_ctx; /* prepare pipe open parameters and store them in state structure also, verify whether biding endpoint is not null */ @@ -426,11 +409,10 @@ struct composite_context* dcerpc_pipe_connect_ncacn_unix_stream_send(TALLOC_CTX } s->path = talloc_strdup(c, io->binding->endpoint); /* path is a binding endpoint here */ + if (composite_nomem(s->path, c)) return c; /* send pipe open request on unix socket */ pipe_req = dcerpc_pipe_open_unix_stream_send(s->io.pipe->conn, s->path); - if (composite_nomem(pipe_req, c)) return c; - composite_continue(c, pipe_req, continue_pipe_open_ncacn_unix_stream, c); return c; } @@ -493,23 +475,18 @@ struct composite_context* dcerpc_pipe_connect_ncalrpc_send(TALLOC_CTX *mem_ctx, struct composite_context *pipe_req; /* composite context allocation and setup */ - c = talloc_zero(mem_ctx, struct composite_context); + c = composite_create(mem_ctx, io->pipe->conn->event_ctx); if (c == NULL) return NULL; s = talloc_zero(c, struct pipe_ncalrpc_state); if (composite_nomem(s, c)) return c; - - c->state = COMPOSITE_STATE_IN_PROGRESS; c->private_data = s; - c->event_ctx = io->pipe->conn->event_ctx; /* store input parameters in state structure */ s->io = *io; /* send pipe open request */ pipe_req = dcerpc_pipe_open_pipe_send(s->io.pipe->conn, s->io.binding->endpoint); - if (composite_nomem(pipe_req, c)) return c; - composite_continue(c, pipe_req, continue_pipe_open_ncalrpc, c); return c; } @@ -602,16 +579,12 @@ static void continue_connect(struct composite_context *c, struct pipe_connect_st if (pc.binding->flags & DCERPC_SMB2) { /* new varient of SMB a.k.a. SMB2 */ ncacn_np_smb2_req = dcerpc_pipe_connect_ncacn_np_smb2_send(c, &pc); - if (composite_nomem(ncacn_np_smb2_req, c)) return; - composite_continue(c, ncacn_np_smb2_req, continue_pipe_connect_ncacn_np_smb2, c); return; } else { /* good old ordinary SMB */ ncacn_np_smb_req = dcerpc_pipe_connect_ncacn_np_smb_send(c, &pc); - if (composite_nomem(ncacn_np_smb_req, c)) return; - composite_continue(c, ncacn_np_smb_req, continue_pipe_connect_ncacn_np_smb, c); return; } @@ -619,22 +592,16 @@ static void continue_connect(struct composite_context *c, struct pipe_connect_st case NCACN_IP_TCP: ncacn_ip_tcp_req = dcerpc_pipe_connect_ncacn_ip_tcp_send(c, &pc); - if (composite_nomem(ncacn_ip_tcp_req, c)) return; - composite_continue(c, ncacn_ip_tcp_req, continue_pipe_connect_ncacn_ip_tcp, c); return; case NCACN_UNIX_STREAM: ncacn_unix_req = dcerpc_pipe_connect_ncacn_unix_stream_send(c, &pc); - if (composite_nomem(ncacn_unix_req, c)) return; - composite_continue(c, ncacn_unix_req, continue_pipe_connect_ncacn_unix, c); return; case NCALRPC: ncalrpc_req = dcerpc_pipe_connect_ncalrpc_send(c, &pc); - if (composite_nomem(ncalrpc_req, c)) return; - composite_continue(c, ncalrpc_req, continue_pipe_connect_ncalrpc, c); return; @@ -748,8 +715,6 @@ static void continue_pipe_connect(struct composite_context *c, struct pipe_conne auth_bind_req = dcerpc_pipe_auth_send(s->pipe, s->binding, s->table, s->credentials); - if (composite_nomem(auth_bind_req, c)) return; - composite_continue(c, auth_bind_req, continue_pipe_auth, c); } @@ -783,28 +748,28 @@ struct composite_context* dcerpc_pipe_connect_b_send(TALLOC_CTX *parent_ctx, { struct composite_context *c; struct pipe_connect_state *s; - + struct event_context *new_ev = NULL; struct composite_context *binding_req; + + if (ev == NULL) { + new_ev = event_context_init(parent_ctx); + if (new_ev == NULL) return NULL; + ev = new_ev; + } + /* composite context allocation and setup */ - c = talloc_zero(parent_ctx, struct composite_context); - if (c == NULL) return NULL; + c = composite_create(parent_ctx, ev); + if (c == NULL) { + talloc_free(new_ev); + return NULL; + } + talloc_steal(c, new_ev); s = talloc_zero(c, struct pipe_connect_state); if (composite_nomem(s, c)) return c; - - c->state = COMPOSITE_STATE_IN_PROGRESS; c->private_data = s; - if (ev == NULL) { - ev = event_context_init(c); - if (ev == NULL) { - talloc_free(c); - return NULL; - } - } - c->event_ctx = ev; - /* initialise dcerpc pipe structure */ s->pipe = dcerpc_pipe_init(c, ev); if (composite_nomem(s->pipe, c)) return c; @@ -893,36 +858,35 @@ struct composite_context* dcerpc_pipe_connect_send(TALLOC_CTX *parent_ctx, struct cli_credentials *credentials, struct event_context *ev) { - NTSTATUS status; struct composite_context *c; struct pipe_conn_state *s; struct dcerpc_binding *b; struct composite_context *pipe_conn_req; + struct event_context *new_ev = NULL; + + if (ev == NULL) { + new_ev = event_context_init(parent_ctx); + if (new_ev == NULL) return NULL; + ev = new_ev; + } /* composite context allocation and setup */ - c = talloc_zero(parent_ctx, struct composite_context); - if (c == NULL) return NULL; + c = composite_create(parent_ctx, ev); + if (c == NULL) { + talloc_free(new_ev); + return NULL; + } + talloc_steal(c, new_ev); s = talloc_zero(c, struct pipe_conn_state); if (composite_nomem(s, c)) return c; - - c->state = COMPOSITE_STATE_IN_PROGRESS; c->private_data = s; - if (ev == NULL) { - ev = event_context_init(c); - if (ev == NULL) { - talloc_free(c); - return NULL; - } - } - c->event_ctx = ev; - /* parse binding string to the structure */ - status = dcerpc_parse_binding(c, binding, &b); - if (!NT_STATUS_IS_OK(status)) { + c->status = dcerpc_parse_binding(c, binding, &b); + if (!NT_STATUS_IS_OK(c->status)) { DEBUG(0, ("Failed to parse dcerpc binding '%s'\n", binding)); - composite_error(c, status); + composite_error(c, c->status); return c; } @@ -934,9 +898,6 @@ struct composite_context* dcerpc_pipe_connect_send(TALLOC_CTX *parent_ctx, */ pipe_conn_req = dcerpc_pipe_connect_b_send(c, b, table, credentials, ev); - - if (composite_nomem(pipe_conn_req, c)) return c; - composite_continue(c, pipe_conn_req, continue_pipe_connect_b, c); return c; } @@ -1027,18 +988,11 @@ struct composite_context* dcerpc_secondary_connection_send(struct dcerpc_pipe *p struct composite_context *pipe_ncalrpc_req; /* composite context allocation and setup */ - c = talloc_zero(p, struct composite_context); + c = composite_create(p, p->conn->event_ctx); if (c == NULL) return NULL; - c->event_ctx = p->conn->event_ctx; - s = talloc_zero(c, struct sec_conn_state); - if (s == NULL) { - composite_error(c, NT_STATUS_NO_MEMORY); - return c; - } - - c->state = COMPOSITE_STATE_IN_PROGRESS; + if (composite_nomem(s, c)) return c; c->private_data = s; s->pipe = p; @@ -1060,8 +1014,6 @@ struct composite_context* dcerpc_secondary_connection_send(struct dcerpc_pipe *p pipe_smb_req = dcerpc_pipe_open_smb_send(s->pipe2->conn, s->tree, s->binding->endpoint); - if (composite_nomem(pipe_smb_req, c)) return c; - composite_continue(c, pipe_smb_req, continue_open_smb, c); return c; @@ -1069,16 +1021,12 @@ struct composite_context* dcerpc_secondary_connection_send(struct dcerpc_pipe *p pipe_tcp_req = dcerpc_pipe_open_tcp_send(s->pipe2->conn, s->binding->host, atoi(s->binding->endpoint)); - if (composite_nomem(pipe_tcp_req, c)) return c; - composite_continue(c, pipe_tcp_req, continue_open_tcp, c); return c; case NCALRPC: pipe_ncalrpc_req = dcerpc_pipe_open_pipe_send(s->pipe2->conn, s->binding->endpoint); - if (composite_nomem(pipe_ncalrpc_req, c)) return c; - composite_continue(c, pipe_ncalrpc_req, continue_open_pipe, c); return c; |