[SCM] Samba Shared Repository - branch master updated - release-4-0-0alpha6-616-gc3b9b6c

Kai Blin kai at samba.org
Mon Feb 9 08:07:05 GMT 2009


The branch, master has been updated
       via  c3b9b6c8aae1dea8df5fc7bff873a015aaa92d6e (commit)
      from  3a4c8cd492b9e8874724dff1d0fc0207cb74036b (commit)

http://gitweb.samba.org/?p=samba.git;a=shortlog;h=master


- Log -----------------------------------------------------------------
commit c3b9b6c8aae1dea8df5fc7bff873a015aaa92d6e
Author: Kai Blin <kai at samba.org>
Date:   Wed Feb 4 09:07:36 2009 +0100

    async_sock: Use unix errnos instead of NTSTATUS
    
    This also switches wb_reqtrans to use wbcErr instead of NTSTATUS as it would
    be pointless to convert to errno first and to wbcErr later.

-----------------------------------------------------------------------

Summary of changes:
 lib/async_req/async_sock.c        |  120 +++++++++++++++++++------
 lib/async_req/async_sock.h        |    9 ++-
 source3/Makefile.in               |    5 +-
 source3/include/proto.h           |    8 --
 source3/include/wbc_async.h       |   68 ++++++++++++++
 source3/lib/util_sock.c           |   18 ++--
 source3/lib/wb_reqtrans.c         |  181 +++++++++++++++++++++++++------------
 source3/lib/wbclient.c            |  138 +++++++++++++---------------
 source3/rpc_server/srv_pipe_hnd.c |    9 +-
 source3/torture/torture.c         |    7 +-
 source3/winbindd/winbindd_proto.h |   21 -----
 11 files changed, 373 insertions(+), 211 deletions(-)
 create mode 100644 source3/include/wbc_async.h


Changeset truncated at 500 lines:

diff --git a/lib/async_req/async_sock.c b/lib/async_req/async_sock.c
index b992320..23ac937 100644
--- a/lib/async_req/async_sock.c
+++ b/lib/async_req/async_sock.c
@@ -95,6 +95,51 @@ struct async_syscall_state {
 };
 
 /**
+ * @brief Map async_req states to unix-style errnos
+ * @param[in]  req	The async req to get the state from
+ * @param[out] err	Pointer to take the unix-style errno
+ *
+ * @return true if the async_req is in an error state, false otherwise
+ */
+
+bool async_req_is_errno(struct async_req *req, int *err)
+{
+	enum async_req_state state;
+	uint64_t error;
+
+	if (!async_req_is_error(req, &state, &error)) {
+		return false;
+	}
+
+	switch (state) {
+	case ASYNC_REQ_USER_ERROR:
+		*err = (int)error;
+		break;
+	case ASYNC_REQ_TIMED_OUT:
+		*err = ETIME;
+		break;
+	case ASYNC_REQ_NO_MEMORY:
+		*err = ENOMEM;
+		break;
+	default:
+		*err = EIO;
+		break;
+	}
+	return true;
+}
+
+int async_req_simple_recv_errno(struct async_req *req)
+{
+	int err;
+
+	if (async_req_is_errno(req, &err)) {
+		return err;
+	}
+
+	return 0;
+}
+
+/**
  * @brief Create a new async syscall req
  * @param[in] mem_ctx	The memory context to hang the result off
  * @param[in] ev	The event context to work from
@@ -239,7 +284,7 @@ static void async_send_callback(struct tevent_context *ev,
 	struct param_send *p = &state->param.param_send;
 
 	if (state->syscall_type != ASYNC_SYSCALL_SEND) {
-		async_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
+		async_req_error(req, EIO);
 		return;
 	}
 
@@ -306,7 +351,7 @@ static void async_sendall_callback(struct tevent_context *ev,
 	struct param_sendall *p = &state->param.param_sendall;
 
 	if (state->syscall_type != ASYNC_SYSCALL_SENDALL) {
-		async_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
+		async_req_error(req, EIO);
 		return;
 	}
 
@@ -316,18 +361,18 @@ static void async_sendall_callback(struct tevent_context *ev,
 	state->sys_errno = errno;
 
 	if (state->result.result_ssize_t == -1) {
-		async_req_nterror(req, map_nt_error_from_unix(state->sys_errno));
+		async_req_error(req, state->sys_errno);
 		return;
 	}
 
 	if (state->result.result_ssize_t == 0) {
-		async_req_nterror(req, NT_STATUS_END_OF_FILE);
+		async_req_error(req, EOF);
 		return;
 	}
 
 	p->sent += state->result.result_ssize_t;
 	if (p->sent > p->length) {
-		async_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
+		async_req_error(req, EIO);
 		return;
 	}
 
@@ -374,9 +419,20 @@ struct async_req *sendall_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
 	return result;
 }
 
-NTSTATUS sendall_recv(struct async_req *req)
+ssize_t sendall_recv(struct async_req *req, int *perr)
 {
-	return async_req_simple_recv_ntstatus(req);
+	struct async_syscall_state *state = talloc_get_type_abort(
+		req->private_data, struct async_syscall_state);
+	int err;
+
+	err = async_req_simple_recv_errno(req);
+
+	if (err != 0) {
+		*perr = err;
+		return -1;
+	}
+
+	return state->result.result_ssize_t;
 }
 
 /**
@@ -398,7 +454,7 @@ static void async_recv_callback(struct tevent_context *ev,
 	struct param_recv *p = &state->param.param_recv;
 
 	if (state->syscall_type != ASYNC_SYSCALL_RECV) {
-		async_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
+		async_req_error(req, EIO);
 		return;
 	}
 
@@ -466,7 +522,7 @@ static void async_recvall_callback(struct tevent_context *ev,
 	struct param_recvall *p = &state->param.param_recvall;
 
 	if (state->syscall_type != ASYNC_SYSCALL_RECVALL) {
-		async_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
+		async_req_error(req, EIO);
 		return;
 	}
 
@@ -476,18 +532,18 @@ static void async_recvall_callback(struct tevent_context *ev,
 	state->sys_errno = errno;
 
 	if (state->result.result_ssize_t == -1) {
-		async_req_nterror(req, map_nt_error_from_unix(state->sys_errno));
+		async_req_error(req, state->sys_errno);
 		return;
 	}
 
 	if (state->result.result_ssize_t == 0) {
-		async_req_nterror(req, NT_STATUS_END_OF_FILE);
+		async_req_error(req, EIO);
 		return;
 	}
 
 	p->received += state->result.result_ssize_t;
 	if (p->received > p->length) {
-		async_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
+		async_req_error(req, EIO);
 		return;
 	}
 
@@ -533,9 +589,20 @@ struct async_req *recvall_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
 	return result;
 }
 
-NTSTATUS recvall_recv(struct async_req *req)
+ssize_t recvall_recv(struct async_req *req, int *perr)
 {
-	return async_req_simple_recv_ntstatus(req);
+	struct async_syscall_state *state = talloc_get_type_abort(
+		req->private_data, struct async_syscall_state);
+	int err;
+
+	err = async_req_simple_recv_errno(req);
+
+	if (err != 0) {
+		*perr = err;
+		return -1;
+	}
+
+	return state->result.result_ssize_t;
 }
 
 struct async_connect_state {
@@ -570,7 +637,6 @@ struct async_req *async_connect_send(TALLOC_CTX *mem_ctx,
 	struct async_req *result;
 	struct async_connect_state *state;
 	struct tevent_fd *fde;
-	NTSTATUS status;
 
 	if (!async_req_setup(mem_ctx, &result, &state,
 			     struct async_connect_state)) {
@@ -595,7 +661,6 @@ struct async_req *async_connect_send(TALLOC_CTX *mem_ctx,
 	state->result = connect(fd, address, address_len);
 	if (state->result == 0) {
 		state->sys_errno = 0;
-		status = NT_STATUS_OK;
 		goto post_status;
 	}
 
@@ -617,17 +682,16 @@ struct async_req *async_connect_send(TALLOC_CTX *mem_ctx,
 	fde = tevent_add_fd(ev, state, fd, TEVENT_FD_READ | TEVENT_FD_WRITE,
 			   async_connect_connected, result);
 	if (fde == NULL) {
-		status = NT_STATUS_NO_MEMORY;
+		state->sys_errno = ENOMEM;
 		goto post_status;
 	}
 	return result;
 
  post_errno:
 	state->sys_errno = errno;
-	status = map_nt_error_from_unix(state->sys_errno);
  post_status:
 	fcntl(fd, F_SETFL, state->old_sockflags);
-	if (!async_post_ntstatus(result, ev, status)) {
+	if (!async_post_error(result, ev, state->sys_errno)) {
 		goto fail;
 	}
 	return result;
@@ -675,7 +739,7 @@ static void async_connect_connected(struct tevent_context *ev,
 		DEBUG(10, ("connect returned %s\n", strerror(errno)));
 
 		fcntl(state->fd, F_SETFL, state->old_sockflags);
-		async_req_nterror(req, map_nt_error_from_unix(state->sys_errno));
+		async_req_error(req, state->sys_errno);
 		return;
 	}
 
@@ -683,21 +747,23 @@ static void async_connect_connected(struct tevent_context *ev,
 	async_req_done(req);
 }
 
-NTSTATUS async_connect_recv(struct async_req *req, int *perrno)
+int async_connect_recv(struct async_req *req, int *perrno)
 {
 	struct async_connect_state *state = talloc_get_type_abort(
 		req->private_data, struct async_connect_state);
-	NTSTATUS status;
+	int err;
 
 	fcntl(state->fd, F_SETFL, state->old_sockflags);
 
-	*perrno = state->sys_errno;
 
-	if (async_req_is_nterror(req, &status)) {
-		return status;
+	if (async_req_is_errno(req, &err)) {
+		*perrno = err;
+		return -1;
 	}
 	if (state->sys_errno == 0) {
-		return NT_STATUS_OK;
+		return 0;
 	}
-	return map_nt_error_from_unix(state->sys_errno);
+
+	*perrno = state->sys_errno;
+	return -1;
 }
diff --git a/lib/async_req/async_sock.h b/lib/async_req/async_sock.h
index fd41aca..c8739e9 100644
--- a/lib/async_req/async_sock.h
+++ b/lib/async_req/async_sock.h
@@ -22,6 +22,9 @@
 
 #include "includes.h"
 
+bool async_req_is_errno(struct async_req *req, int *err);
+int async_req_simple_recv_errno(struct async_req *req);
+
 ssize_t async_syscall_result_ssize_t(struct async_req *req, int *perrno);
 size_t async_syscall_result_size_t(struct async_req *req, int *perrno);
 int async_syscall_result_int(struct async_req *req, int *perrno);
@@ -36,16 +39,16 @@ struct async_req *async_connect_send(TALLOC_CTX *mem_ctx,
 				     struct tevent_context *ev,
 				     int fd, const struct sockaddr *address,
 				     socklen_t address_len);
-NTSTATUS async_connect_recv(struct async_req *req, int *perrno);
+int async_connect_recv(struct async_req *req, int *perrno);
 
 struct async_req *sendall_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
 			       int fd, const void *buffer, size_t length,
 			       int flags);
-NTSTATUS sendall_recv(struct async_req *req);
+ssize_t sendall_recv(struct async_req *req, int *perr);
 
 struct async_req *recvall_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
 			       int fd, void *buffer, size_t length,
 			       int flags);
-NTSTATUS recvall_recv(struct async_req *req);
+ssize_t recvall_recv(struct async_req *req, int *perr);
 
 #endif
diff --git a/source3/Makefile.in b/source3/Makefile.in
index b67cbab..ee75eb3 100644
--- a/source3/Makefile.in
+++ b/source3/Makefile.in
@@ -944,6 +944,7 @@ SMBTORTURE_OBJ1 = torture/torture.o torture/nbio.o torture/scanner.o torture/uta
 SMBTORTURE_OBJ = $(SMBTORTURE_OBJ1) $(PARAM_OBJ) \
 	$(LIBSMB_OBJ) $(KRBCLIENT_OBJ) $(LIB_NONSMBD_OBJ) \
 	lib/wb_reqtrans.o lib/wbclient.o \
+	@LIBWBCLIENT_STATIC@ \
 	$(LIBNDR_GEN_OBJ0)
 
 MASKTEST_OBJ = torture/masktest.o $(PARAM_OBJ) $(LIBSMB_OBJ) $(KRBCLIENT_OBJ) \
@@ -1467,11 +1468,11 @@ bin/nmblookup at EXEEXT@: $(BINARY_PREREQS) $(NMBLOOKUP_OBJ) @BUILD_POPT@ @LIBTALLO
 	@$(CC) -o $@ $(NMBLOOKUP_OBJ) $(LDFLAGS) $(DYNEXP) $(LIBS) \
 		$(POPT_LIBS) $(LDAP_LIBS) $(LIBTALLOC_LIBS) $(LIBTDB_LIBS)
 
-bin/smbtorture at EXEEXT@: $(BINARY_PREREQS) $(SMBTORTURE_OBJ) @BUILD_POPT@ @LIBTALLOC_SHARED@ @LIBTDB_SHARED@
+bin/smbtorture at EXEEXT@: $(BINARY_PREREQS) $(SMBTORTURE_OBJ) @BUILD_POPT@ @LIBTALLOC_SHARED@ @LIBTDB_SHARED@ @LIBWBCLIENT_SHARED@
 	@echo Linking $@
 	@$(CC) -o $@ $(SMBTORTURE_OBJ) $(LDFLAGS) $(DYNEXP) \
 		$(LIBS) $(KRB5LIBS) $(LDAP_LIBS) $(POPT_LIBS) $(LIBTALLOC_LIBS) \
-		$(LIBTDB_LIBS) $(ZLIB_LIBS)
+		$(LIBTDB_LIBS) $(ZLIB_LIBS) $(WINBIND_LIBS)
 
 bin/talloctort at EXEEXT@: $(BINARY_PREREQS) $(TALLOCTORT_OBJ) @BUILD_POPT@ @LIBTALLOC_SHARED@ @LIBTDB_SHARED@
 	@echo Linking $@
diff --git a/source3/include/proto.h b/source3/include/proto.h
index f07e31c..6988788 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -7563,12 +7563,4 @@ NTSTATUS nss_info_template_init( void );
 
 /* Misc protos */
 
-struct async_req *wb_trans_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
-				struct wb_context *wb_ctx, bool need_priv,
-				const struct winbindd_request *wb_req);
-NTSTATUS wb_trans_recv(struct async_req *req, TALLOC_CTX *mem_ctx,
-		       struct winbindd_response **presponse);
-struct wb_context *wb_context_init(TALLOC_CTX *mem_ctx);
-
-
 #endif /*  _PROTO_H_  */
diff --git a/source3/include/wbc_async.h b/source3/include/wbc_async.h
new file mode 100644
index 0000000..7a87680
--- /dev/null
+++ b/source3/include/wbc_async.h
@@ -0,0 +1,68 @@
+/*
+   Unix SMB/CIFS implementation.
+   Headers for the async winbind client library
+   Copyright (C) Kai Blin 2009
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _WBC_ASYNC_H_
+#define _WBC_ASYNC_H_
+
+#include "nsswitch/libwbclient/wbclient.h"
+
+struct wb_context {
+	struct async_req_queue *queue;
+	int fd;
+	bool is_priv;
+};
+
+struct async_req *wb_trans_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
+				struct wb_context *wb_ctx, bool need_priv,
+				const struct winbindd_request *wb_req);
+wbcErr wb_trans_recv(struct async_req *req, TALLOC_CTX *mem_ctx,
+		     struct winbindd_response **presponse);
+struct wb_context *wb_context_init(TALLOC_CTX *mem_ctx);
+
+/* Definitions from wb_reqtrans.c */
+bool async_req_is_wbcerr(struct async_req *req, wbcErr *pwbc_err);
+wbcErr map_wbc_err_from_errno(int error);
+wbcErr async_req_simple_recv_wbcerr(struct async_req *req);
+
+struct async_req *wb_req_read_send(TALLOC_CTX *mem_ctx,
+				   struct tevent_context *ev,
+				   int fd, size_t max_extra_data);
+
+wbcErr wb_req_read_recv(struct async_req *req, TALLOC_CTX *mem_ctx,
+			struct winbindd_request **preq);
+
+struct async_req *wb_req_write_send(TALLOC_CTX *mem_ctx,
+				    struct tevent_context *ev, int fd,
+				    struct winbindd_request *wb_req);
+
+wbcErr wb_req_write_recv(struct async_req *req);
+
+struct async_req *wb_resp_read_send(TALLOC_CTX *mem_ctx,
+				    struct tevent_context *ev, int fd);
+
+wbcErr wb_resp_read_recv(struct async_req *req, TALLOC_CTX *mem_ctx,
+			 struct winbindd_response **presp);
+
+struct async_req *wb_resp_write_send(TALLOC_CTX *mem_ctx,
+				    struct tevent_context *ev, int fd,
+				    struct winbindd_response *wb_resp);
+
+wbcErr wb_resp_write_recv(struct async_req *req);
+
+#endif /*_WBC_ASYNC_H_*/
diff --git a/source3/lib/util_sock.c b/source3/lib/util_sock.c
index 78431d9..b9a7f87 100644
--- a/source3/lib/util_sock.c
+++ b/source3/lib/util_sock.c
@@ -1051,17 +1051,17 @@ static void open_socket_out_connected(struct async_req *subreq)
 		subreq->async.priv, struct async_req);
 	struct open_socket_out_state *state = talloc_get_type_abort(
 		req->private_data, struct open_socket_out_state);
-	NTSTATUS status;
+	int err;
 	int sys_errno;
 
-	status = async_connect_recv(subreq, &sys_errno);
+	err = async_connect_recv(subreq, &sys_errno);
 	TALLOC_FREE(subreq);
-	if (NT_STATUS_IS_OK(status)) {
+	if (err == 0) {
 		async_req_done(req);
 		return;
 	}
 
-	if (NT_STATUS_EQUAL(status, NT_STATUS_IO_TIMEOUT)
+	if ((sys_errno == ETIME)
 	    || (sys_errno == EINPROGRESS)
 	    || (sys_errno == EALREADY)
 	    || (sys_errno == EAGAIN)) {
@@ -1082,7 +1082,7 @@ static void open_socket_out_connected(struct async_req *subreq)
 		}
 		if (!async_req_set_timeout(subreq, state->ev,
 					   timeval_set(0, state->wait_nsec))) {
-			async_req_nterror(req, NT_STATUS_NO_MEMORY);
+			async_req_error(req, ENOMEM);
 			return;
 		}
 		subreq->async.fn = open_socket_out_connected;
@@ -1098,17 +1098,17 @@ static void open_socket_out_connected(struct async_req *subreq)
 #endif
 
 	/* real error */
-	async_req_nterror(req, map_nt_error_from_unix(sys_errno));
+	async_req_error(req, sys_errno);
 }
 
 NTSTATUS open_socket_out_recv(struct async_req *req, int *pfd)
 {
 	struct open_socket_out_state *state = talloc_get_type_abort(
 		req->private_data, struct open_socket_out_state);
-	NTSTATUS status;
+	int err;
 
-	if (async_req_is_nterror(req, &status)) {
-		return status;
+	if (async_req_is_errno(req, &err)) {
+		return map_nt_error_from_unix(err);
 	}
 	*pfd = state->fd;
 	state->fd = -1;
diff --git a/source3/lib/wb_reqtrans.c b/source3/lib/wb_reqtrans.c
index b56c0fd..9bf6f29 100644
--- a/source3/lib/wb_reqtrans.c
+++ b/source3/lib/wb_reqtrans.c
@@ -20,7 +20,7 @@
 */
 
 #include "includes.h"
-#include "winbindd/winbindd.h"
+#include "wbc_async.h"
 
 #undef DBGC_CLASS
 #define DBGC_CLASS DBGC_WINBIND
@@ -32,6 +32,57 @@ struct req_read_state {
 	int fd;
 };
 
+bool async_req_is_wbcerr(struct async_req *req, wbcErr *pwbc_err)
+{
+	enum async_req_state state;
+	uint64_t error;
+	if (!async_req_is_error(req, &state, &error)) {
+		*pwbc_err = WBC_ERR_SUCCESS;
+		return false;
+	}
+
+	switch (state) {
+	case ASYNC_REQ_USER_ERROR:
+		*pwbc_err = error;
+		break;
+	case ASYNC_REQ_TIMED_OUT:
+		*pwbc_err = WBC_ERR_UNKNOWN_FAILURE;
+		break;
+	case ASYNC_REQ_NO_MEMORY:


-- 
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