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authorJelmer Vernooij <jelmer@samba.org>2009-02-05 16:39:28 +0100
committerJelmer Vernooij <jelmer@samba.org>2009-02-05 16:39:28 +0100
commit6d139ca4680abcbda5110f2f0886aa038ff62088 (patch)
tree7d61db40fb058bcbf08ccd8e0dadc365b819371b /source3/rpc_server/srv_pipe_hnd.c
parent4a9b3052caeb8bb144803b49dcfae82395172bc3 (diff)
parentafa960cbbcd609123d710c301e7a9a070c1fed70 (diff)
downloadsamba-6d139ca4680abcbda5110f2f0886aa038ff62088.tar.gz
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samba-6d139ca4680abcbda5110f2f0886aa038ff62088.zip
Merge branch 'master' of ssh://git.samba.org/data/git/samba
Conflicts: librpc/ndr.pc.in
Diffstat (limited to 'source3/rpc_server/srv_pipe_hnd.c')
-rw-r--r--source3/rpc_server/srv_pipe_hnd.c321
1 files changed, 254 insertions, 67 deletions
diff --git a/source3/rpc_server/srv_pipe_hnd.c b/source3/rpc_server/srv_pipe_hnd.c
index 0753476230..4cbe8d67a3 100644
--- a/source3/rpc_server/srv_pipe_hnd.c
+++ b/source3/rpc_server/srv_pipe_hnd.c
@@ -90,13 +90,14 @@ static bool pipe_init_outgoing_data(pipes_struct *p)
****************************************************************************/
static struct pipes_struct *make_internal_rpc_pipe_p(TALLOC_CTX *mem_ctx,
- const char *pipe_name,
+ const struct ndr_syntax_id *syntax,
const char *client_address,
struct auth_serversupplied_info *server_info)
{
pipes_struct *p;
- DEBUG(4,("Create pipe requested %s\n", pipe_name));
+ DEBUG(4,("Create pipe requested %s\n",
+ get_pipe_name_from_iface(syntax)));
p = TALLOC_ZERO_P(mem_ctx, struct pipes_struct);
@@ -105,13 +106,15 @@ static struct pipes_struct *make_internal_rpc_pipe_p(TALLOC_CTX *mem_ctx,
return NULL;
}
- if ((p->mem_ctx = talloc_init("pipe %s %p", pipe_name, p)) == NULL) {
+ if ((p->mem_ctx = talloc_init("pipe %s %p",
+ get_pipe_name_from_iface(syntax),
+ p)) == NULL) {
DEBUG(0,("open_rpc_pipe_p: talloc_init failed.\n"));
TALLOC_FREE(p);
return NULL;
}
- if (!init_pipe_handle_list(p, pipe_name)) {
+ if (!init_pipe_handle_list(p, syntax)) {
DEBUG(0,("open_rpc_pipe_p: init_pipe_handles failed.\n"));
talloc_destroy(p->mem_ctx);
TALLOC_FREE(p);
@@ -152,11 +155,11 @@ static struct pipes_struct *make_internal_rpc_pipe_p(TALLOC_CTX *mem_ctx,
* Initialize the outgoing RPC data buffer with no memory.
*/
prs_init_empty(&p->out_data.rdata, p->mem_ctx, MARSHALL);
-
- fstrcpy(p->name, pipe_name);
-
+
+ p->syntax = *syntax;
+
DEBUG(4,("Created internal pipe %s (pipes_open=%d)\n",
- pipe_name, pipes_open));
+ get_pipe_name_from_iface(syntax), pipes_open));
talloc_set_destructor(p, close_internal_rpc_pipe_hnd);
@@ -174,7 +177,7 @@ static void set_incoming_fault(pipes_struct *p)
p->in_data.pdu_received_len = 0;
p->fault_state = True;
DEBUG(10, ("set_incoming_fault: Setting fault state on pipe %s\n",
- p->name));
+ get_pipe_name_from_iface(&p->syntax)));
}
/****************************************************************************
@@ -324,7 +327,8 @@ static void free_pipe_context(pipes_struct *p)
"%lu\n", (unsigned long)talloc_total_size(p->mem_ctx) ));
talloc_free_children(p->mem_ctx);
} else {
- p->mem_ctx = talloc_init("pipe %s %p", p->name, p);
+ p->mem_ctx = talloc_init(
+ "pipe %s %p", get_pipe_name_from_iface(&p->syntax), p);
if (p->mem_ctx == NULL) {
p->fault_state = True;
}
@@ -492,7 +496,7 @@ static void process_complete_pdu(pipes_struct *p)
if(p->fault_state) {
DEBUG(10,("process_complete_pdu: pipe %s in fault state.\n",
- p->name ));
+ get_pipe_name_from_iface(&p->syntax)));
set_incoming_fault(p);
setup_fault_pdu(p, NT_STATUS(DCERPC_FAULT_OP_RNG_ERROR));
return;
@@ -520,12 +524,13 @@ static void process_complete_pdu(pipes_struct *p)
case RPC_PING: /* CL request - ignore... */
DEBUG(0,("process_complete_pdu: Error. Connectionless packet type %u received on pipe %s.\n",
- (unsigned int)p->hdr.pkt_type, p->name));
+ (unsigned int)p->hdr.pkt_type,
+ get_pipe_name_from_iface(&p->syntax)));
break;
case RPC_RESPONSE: /* No responses here. */
DEBUG(0,("process_complete_pdu: Error. RPC_RESPONSE received from client on pipe %s.\n",
- p->name ));
+ get_pipe_name_from_iface(&p->syntax)));
break;
case RPC_FAULT:
@@ -537,7 +542,8 @@ static void process_complete_pdu(pipes_struct *p)
case RPC_FACK:
case RPC_CANCEL_ACK:
DEBUG(0,("process_complete_pdu: Error. Connectionless packet type %u received on pipe %s.\n",
- (unsigned int)p->hdr.pkt_type, p->name));
+ (unsigned int)p->hdr.pkt_type,
+ get_pipe_name_from_iface(&p->syntax)));
break;
case RPC_BIND:
@@ -552,7 +558,8 @@ static void process_complete_pdu(pipes_struct *p)
case RPC_BINDACK:
case RPC_BINDNACK:
DEBUG(0,("process_complete_pdu: Error. RPC_BINDACK/RPC_BINDNACK packet type %u received on pipe %s.\n",
- (unsigned int)p->hdr.pkt_type, p->name));
+ (unsigned int)p->hdr.pkt_type,
+ get_pipe_name_from_iface(&p->syntax)));
break;
@@ -567,7 +574,7 @@ static void process_complete_pdu(pipes_struct *p)
case RPC_ALTCONTRESP:
DEBUG(0,("process_complete_pdu: Error. RPC_ALTCONTRESP on pipe %s: Should only be server -> client.\n",
- p->name));
+ get_pipe_name_from_iface(&p->syntax)));
break;
case RPC_AUTH3:
@@ -581,7 +588,7 @@ static void process_complete_pdu(pipes_struct *p)
case RPC_SHUTDOWN:
DEBUG(0,("process_complete_pdu: Error. RPC_SHUTDOWN on pipe %s: Should only be server -> client.\n",
- p->name));
+ get_pipe_name_from_iface(&p->syntax)));
break;
case RPC_CO_CANCEL:
@@ -619,7 +626,8 @@ static void process_complete_pdu(pipes_struct *p)
prs_set_endian_data( &p->in_data.data, RPC_LITTLE_ENDIAN);
if (!reply) {
- DEBUG(3,("process_complete_pdu: DCE/RPC fault sent on pipe %s\n", p->pipe_srv_name));
+ DEBUG(3,("process_complete_pdu: DCE/RPC fault sent on "
+ "pipe %s\n", get_pipe_name_from_iface(&p->syntax)));
set_incoming_fault(p);
setup_fault_pdu(p, NT_STATUS(DCERPC_FAULT_OP_RNG_ERROR));
prs_mem_free(&rpc_in);
@@ -773,7 +781,8 @@ static ssize_t read_from_internal_pipe(struct pipes_struct *p, char *data, size_
return -1;
}
- DEBUG(6,(" name: %s len: %u\n", p->name, (unsigned int)n));
+ DEBUG(6,(" name: %s len: %u\n", get_pipe_name_from_iface(&p->syntax),
+ (unsigned int)n));
/*
* We cannot return more than one PDU length per
@@ -787,8 +796,10 @@ static ssize_t read_from_internal_pipe(struct pipes_struct *p, char *data, size_
*/
if(n > RPC_MAX_PDU_FRAG_LEN) {
- DEBUG(5,("read_from_pipe: too large read (%u) requested on \
-pipe %s. We can only service %d sized reads.\n", (unsigned int)n, p->name, RPC_MAX_PDU_FRAG_LEN ));
+ DEBUG(5,("read_from_pipe: too large read (%u) requested on "
+ "pipe %s. We can only service %d sized reads.\n",
+ (unsigned int)n, get_pipe_name_from_iface(&p->syntax),
+ RPC_MAX_PDU_FRAG_LEN ));
n = RPC_MAX_PDU_FRAG_LEN;
}
@@ -803,9 +814,12 @@ pipe %s. We can only service %d sized reads.\n", (unsigned int)n, p->name, RPC_M
if((pdu_remaining = p->out_data.current_pdu_len - p->out_data.current_pdu_sent) > 0) {
data_returned = (ssize_t)MIN(n, pdu_remaining);
- DEBUG(10,("read_from_pipe: %s: current_pdu_len = %u, current_pdu_sent = %u \
-returning %d bytes.\n", p->name, (unsigned int)p->out_data.current_pdu_len,
- (unsigned int)p->out_data.current_pdu_sent, (int)data_returned));
+ DEBUG(10,("read_from_pipe: %s: current_pdu_len = %u, "
+ "current_pdu_sent = %u returning %d bytes.\n",
+ get_pipe_name_from_iface(&p->syntax),
+ (unsigned int)p->out_data.current_pdu_len,
+ (unsigned int)p->out_data.current_pdu_sent,
+ (int)data_returned));
memcpy( data, &p->out_data.current_pdu[p->out_data.current_pdu_sent], (size_t)data_returned);
p->out_data.current_pdu_sent += (uint32)data_returned;
@@ -817,9 +831,11 @@ returning %d bytes.\n", p->name, (unsigned int)p->out_data.current_pdu_len,
* may of course be zero if this is the first return fragment.
*/
- DEBUG(10,("read_from_pipe: %s: fault_state = %d : data_sent_length \
-= %u, prs_offset(&p->out_data.rdata) = %u.\n",
- p->name, (int)p->fault_state, (unsigned int)p->out_data.data_sent_length, (unsigned int)prs_offset(&p->out_data.rdata) ));
+ DEBUG(10,("read_from_pipe: %s: fault_state = %d : data_sent_length "
+ "= %u, prs_offset(&p->out_data.rdata) = %u.\n",
+ get_pipe_name_from_iface(&p->syntax), (int)p->fault_state,
+ (unsigned int)p->out_data.data_sent_length,
+ (unsigned int)prs_offset(&p->out_data.rdata) ));
if(p->out_data.data_sent_length >= prs_offset(&p->out_data.rdata)) {
/*
@@ -837,7 +853,8 @@ returning %d bytes.\n", p->name, (unsigned int)p->out_data.current_pdu_len,
*/
if(!create_next_pdu(p)) {
- DEBUG(0,("read_from_pipe: %s: create_next_pdu failed.\n", p->name));
+ DEBUG(0,("read_from_pipe: %s: create_next_pdu failed.\n",
+ get_pipe_name_from_iface(&p->syntax)));
return -1;
}
@@ -1086,13 +1103,14 @@ NTSTATUS np_open(TALLOC_CTX *mem_ctx, const char *name,
handle->private_data = p;
} else {
struct pipes_struct *p;
+ struct ndr_syntax_id syntax;
- if (!is_known_pipename(name)) {
+ if (!is_known_pipename(name, &syntax)) {
TALLOC_FREE(handle);
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
}
- p = make_internal_rpc_pipe_p(handle, name, client_address,
+ p = make_internal_rpc_pipe_p(handle, &syntax, client_address,
server_info);
handle->type = FAKE_FILE_TYPE_NAMED_PIPE;
@@ -1109,66 +1127,235 @@ NTSTATUS np_open(TALLOC_CTX *mem_ctx, const char *name,
return NT_STATUS_OK;
}
-NTSTATUS np_write(struct fake_file_handle *handle, const uint8_t *data,
- size_t len, ssize_t *nwritten)
+struct np_write_state {
+ ssize_t nwritten;
+};
+
+static void np_write_done(struct async_req *subreq);
+
+struct async_req *np_write_send(TALLOC_CTX *mem_ctx, struct event_context *ev,
+ struct fake_file_handle *handle,
+ const uint8_t *data, size_t len)
{
- DEBUG(6, ("np_write: len: %d\n", (int)len));
+ struct async_req *result, *subreq;
+ struct np_write_state *state;
+ NTSTATUS status;
+
+ DEBUG(6, ("np_write_send: len: %d\n", (int)len));
dump_data(50, data, len);
- switch (handle->type) {
- case FAKE_FILE_TYPE_NAMED_PIPE: {
+ if (!async_req_setup(mem_ctx, &result, &state,
+ struct np_write_state)) {
+ return NULL;
+ }
+
+ if (len == 0) {
+ state->nwritten = 0;
+ status = NT_STATUS_OK;
+ goto post_status;
+ }
+
+ if (handle->type == FAKE_FILE_TYPE_NAMED_PIPE) {
struct pipes_struct *p = talloc_get_type_abort(
handle->private_data, struct pipes_struct);
- *nwritten = write_to_internal_pipe(p, (char *)data, len);
- break;
+
+ state->nwritten = write_to_internal_pipe(p, (char *)data, len);
+
+ status = (state->nwritten >= 0)
+ ? NT_STATUS_OK : NT_STATUS_UNEXPECTED_IO_ERROR;
+ goto post_status;
}
- case FAKE_FILE_TYPE_NAMED_PIPE_PROXY: {
+
+ if (handle->type == FAKE_FILE_TYPE_NAMED_PIPE_PROXY) {
struct np_proxy_state *p = talloc_get_type_abort(
handle->private_data, struct np_proxy_state);
- *nwritten = write_data(p->fd, (char *)data, len);
- break;
+
+ state->nwritten = len;
+
+ subreq = sendall_send(state, ev, p->fd, data, len, 0);
+ if (subreq == NULL) {
+ goto fail;
+ }
+ subreq->async.fn = np_write_done;
+ subreq->async.priv = result;
+ return result;
}
- default:
- return NT_STATUS_INVALID_HANDLE;
- break;
+
+ status = NT_STATUS_INVALID_HANDLE;
+ post_status:
+ if (async_post_ntstatus(result, ev, status)) {
+ return result;
}
+ fail:
+ TALLOC_FREE(result);
+ return NULL;
+}
+
+static void np_write_done(struct async_req *subreq)
+{
+ struct async_req *req = talloc_get_type_abort(
+ subreq->async.priv, struct async_req);
+ NTSTATUS status;
+
+ status = sendall_recv(subreq);
+ if (!NT_STATUS_IS_OK(status)) {
+ async_req_nterror(req, status);
+ return;
+ }
+ async_req_done(req);
+}
+
+NTSTATUS np_write_recv(struct async_req *req, ssize_t *pnwritten)
+{
+ struct np_write_state *state = talloc_get_type_abort(
+ req->private_data, struct np_write_state);
+ NTSTATUS status;
- return ((*nwritten) >= 0)
- ? NT_STATUS_OK : NT_STATUS_UNEXPECTED_IO_ERROR;
+ if (async_req_is_nterror(req, &status)) {
+ return status;
+ }
+ *pnwritten = state->nwritten;
+ return NT_STATUS_OK;
}
-NTSTATUS np_read(struct fake_file_handle *handle, uint8_t *data, size_t len,
- ssize_t *nread, bool *is_data_outstanding)
+struct np_read_state {
+ ssize_t nread;
+ bool is_data_outstanding;
+ int fd;
+};
+
+static void np_read_done(struct async_req *subreq);
+
+struct async_req *np_read_send(TALLOC_CTX *mem_ctx, struct event_context *ev,
+ struct fake_file_handle *handle,
+ uint8_t *data, size_t len)
{
- switch (handle->type) {
- case FAKE_FILE_TYPE_NAMED_PIPE: {
+ struct async_req *result, *subreq;
+ struct np_read_state *state;
+ NTSTATUS status;
+
+ if (!async_req_setup(mem_ctx, &result, &state,
+ struct np_read_state)) {
+ return NULL;
+ }
+
+ if (handle->type == FAKE_FILE_TYPE_NAMED_PIPE) {
struct pipes_struct *p = talloc_get_type_abort(
handle->private_data, struct pipes_struct);
- *nread = read_from_internal_pipe(p, (char *)data, len,
- is_data_outstanding);
- break;
+
+ state->nread = read_from_internal_pipe(
+ p, (char *)data, len, &state->is_data_outstanding);
+
+ status = (state->nread >= 0)
+ ? NT_STATUS_OK : NT_STATUS_UNEXPECTED_IO_ERROR;
+ goto post_status;
}
- case FAKE_FILE_TYPE_NAMED_PIPE_PROXY: {
+
+ if (handle->type == FAKE_FILE_TYPE_NAMED_PIPE_PROXY) {
struct np_proxy_state *p = talloc_get_type_abort(
handle->private_data, struct np_proxy_state);
- int available = 0;
- *nread = sys_read(p->fd, (char *)data, len);
+ state->fd = p->fd;
- /*
- * We don't look at the ioctl result. We don't really care
- * if there is data available, because this is racy anyway.
- */
- ioctl(p->fd, FIONREAD, &available);
- *is_data_outstanding = (available > 0);
+ subreq = async_recv(state, ev, p->fd, data, len, 0);
+ if (subreq == NULL) {
+ goto fail;
+ }
+ subreq->async.fn = np_read_done;
+ subreq->async.priv = result;
+ return result;
+ }
+
+ status = NT_STATUS_INVALID_HANDLE;
+ post_status:
+ if (async_post_ntstatus(result, ev, status)) {
+ return result;
+ }
+ fail:
+ TALLOC_FREE(result);
+ return NULL;
+}
+
+static void np_read_done(struct async_req *subreq)
+{
+ struct async_req *req = talloc_get_type_abort(
+ subreq->async.priv, struct async_req);
+ struct np_read_state *state = talloc_get_type_abort(
+ req->private_data, struct np_read_state);
+ ssize_t result;
+ int sys_errno;
+ int available = 0;
+
+ result = async_syscall_result_ssize_t(subreq, &sys_errno);
+ if (result == -1) {
+ async_req_nterror(req, map_nt_error_from_unix(sys_errno));
+ return;
+ }
+ if (result == 0) {
+ async_req_nterror(req, NT_STATUS_END_OF_FILE);
+ return;
+ }
+
+ state->nread = result;
- break;
+ /*
+ * We don't look at the ioctl result. We don't really care if there is
+ * data available, because this is racy anyway.
+ */
+ ioctl(state->fd, FIONREAD, &available);
+ state->is_data_outstanding = (available > 0);
+
+ async_req_done(req);
+}
+
+NTSTATUS np_read_recv(struct async_req *req, ssize_t *nread,
+ bool *is_data_outstanding)
+{
+ struct np_read_state *state = talloc_get_type_abort(
+ req->private_data, struct np_read_state);
+ NTSTATUS status;
+
+ if (async_req_is_nterror(req, &status)) {
+ return status;
+ }
+ *nread = state->nread;
+ *is_data_outstanding = state->is_data_outstanding;
+ return NT_STATUS_OK;
+}
+
+/**
+ * Create a new RPC client context which uses a local dispatch function.
+ */
+NTSTATUS rpc_pipe_open_internal(TALLOC_CTX *mem_ctx,
+ const struct ndr_syntax_id *abstract_syntax,
+ NTSTATUS (*dispatch) (struct rpc_pipe_client *cli,
+ TALLOC_CTX *mem_ctx,
+ const struct ndr_interface_table *table,
+ uint32_t opnum, void *r),
+ struct auth_serversupplied_info *serversupplied_info,
+ struct rpc_pipe_client **presult)
+{
+ struct rpc_pipe_client *result;
+
+ result = TALLOC_ZERO_P(mem_ctx, struct rpc_pipe_client);
+ if (result == NULL) {
+ return NT_STATUS_NO_MEMORY;
}
- default:
- return NT_STATUS_INVALID_HANDLE;
- break;
+
+ result->abstract_syntax = *abstract_syntax;
+ result->transfer_syntax = ndr_transfer_syntax;
+ result->dispatch = dispatch;
+
+ result->pipes_struct = make_internal_rpc_pipe_p(
+ result, abstract_syntax, "", serversupplied_info);
+ if (result->pipes_struct == NULL) {
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_MEMORY;
}
- return ((*nread) >= 0)
- ? NT_STATUS_OK : NT_STATUS_UNEXPECTED_IO_ERROR;
+ result->max_xmit_frag = -1;
+ result->max_recv_frag = -1;
+
+ *presult = result;
+ return NT_STATUS_OK;
}