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-rw-r--r--source3/winbindd/winbindd.c188
-rw-r--r--source3/winbindd/winbindd.h2
2 files changed, 65 insertions, 125 deletions
diff --git a/source3/winbindd/winbindd.c b/source3/winbindd/winbindd.c
index 9538a6391d..cb796eb7f4 100644
--- a/source3/winbindd/winbindd.c
+++ b/source3/winbindd/winbindd.c
@@ -24,6 +24,7 @@
#include "includes.h"
#include "winbindd.h"
+#include "../../nsswitch/libwbclient/wbc_async.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_WINBIND
@@ -656,58 +657,52 @@ void setup_async_write(struct winbindd_fd_event *event, void *data, size_t lengt
* to call request_finished which schedules sending the response.
*/
-static void request_len_recv(void *private_data, bool success);
-static void request_recv(void *private_data, bool success);
-static void request_main_recv(void *private_data, bool success);
static void request_finished(struct winbindd_cli_state *state);
-static void response_main_sent(void *private_data, bool success);
-static void response_extra_sent(void *private_data, bool success);
-static void response_extra_sent(void *private_data, bool success)
+static void winbind_client_request_read(struct tevent_req *req);
+static void winbind_client_response_written(struct tevent_req *req);
+
+static void request_finished(struct winbindd_cli_state *state)
{
- struct winbindd_cli_state *state =
- talloc_get_type_abort(private_data, struct winbindd_cli_state);
+ struct tevent_req *req;
- TALLOC_FREE(state->mem_ctx);
+ TALLOC_FREE(state->request);
- if (!success) {
- state->finished = True;
+ req = wb_resp_write_send(state, winbind_event_context(),
+ state->out_queue, state->sock,
+ &state->response);
+ if (req == NULL) {
+ state->finished = true;
return;
}
-
- setup_async_read(&state->fd_event, state->request, sizeof(uint32),
- request_len_recv, state);
+ tevent_req_set_callback(req, winbind_client_response_written, state);
}
-static void response_main_sent(void *private_data, bool success)
+static void winbind_client_response_written(struct tevent_req *req)
{
- struct winbindd_cli_state *state =
- talloc_get_type_abort(private_data, struct winbindd_cli_state);
-
- if (!success) {
- state->finished = True;
+ struct winbindd_cli_state *state = tevent_req_callback_data(
+ req, struct winbindd_cli_state);
+ ssize_t ret;
+ int err;
+
+ ret = wb_resp_write_recv(req, &err);
+ TALLOC_FREE(req);
+ if (ret == -1) {
+ DEBUG(2, ("Could not write response to client: %s\n",
+ strerror(err)));
+ state->finished = true;
return;
}
- if (state->response.length == sizeof(state->response)) {
- TALLOC_FREE(state->mem_ctx);
+ TALLOC_FREE(state->mem_ctx);
- setup_async_read(&state->fd_event, state->request,
- sizeof(uint32), request_len_recv, state);
+ req = wb_req_read_send(state, winbind_event_context(), state->sock,
+ WINBINDD_MAX_EXTRA_DATA);
+ if (req == NULL) {
+ state->finished = true;
return;
}
-
- setup_async_write(&state->fd_event, state->response.extra_data.data,
- state->response.length - sizeof(state->response),
- response_extra_sent, state);
-}
-
-static void request_finished(struct winbindd_cli_state *state)
-{
- /* Make sure request.extra_data is freed when finish processing a request */
- SAFE_FREE(state->request->extra_data.data);
- setup_async_write(&state->fd_event, &state->response,
- sizeof(state->response), response_main_sent, state);
+ tevent_req_set_callback(req, winbind_client_request_read, state);
}
void request_error(struct winbindd_cli_state *state)
@@ -724,90 +719,13 @@ void request_ok(struct winbindd_cli_state *state)
request_finished(state);
}
-static void request_len_recv(void *private_data, bool success)
-{
- struct winbindd_cli_state *state =
- talloc_get_type_abort(private_data, struct winbindd_cli_state);
-
- if (!success) {
- state->finished = True;
- return;
- }
-
- if (*(uint32 *)(state->request) != sizeof(*state->request)) {
- DEBUG(0,("request_len_recv: Invalid request size received: %d (expected %u)\n",
- *(uint32_t *)(state->request),
- (uint32_t)sizeof(*state->request)));
- state->finished = True;
- return;
- }
-
- setup_async_read(&state->fd_event, (uint32 *)(state->request)+1,
- sizeof(*state->request) - sizeof(uint32),
- request_main_recv, state);
-}
-
-static void request_main_recv(void *private_data, bool success)
-{
- struct winbindd_cli_state *state =
- talloc_get_type_abort(private_data, struct winbindd_cli_state);
-
- if (!success) {
- state->finished = True;
- return;
- }
-
- if (state->request->extra_len == 0) {
- state->request->extra_data.data = NULL;
- request_recv(state, True);
- return;
- }
-
- if ((!state->privileged) &&
- (state->request->extra_len > WINBINDD_MAX_EXTRA_DATA)) {
- DEBUG(3, ("Got request with %d bytes extra data on "
- "unprivileged socket\n",
- (int)state->request->extra_len));
- state->request->extra_data.data = NULL;
- state->finished = True;
- return;
- }
-
- state->request->extra_data.data =
- SMB_MALLOC_ARRAY(char, state->request->extra_len + 1);
-
- if (state->request->extra_data.data == NULL) {
- DEBUG(0, ("malloc failed\n"));
- state->finished = True;
- return;
- }
-
- /* Ensure null termination */
- state->request->extra_data.data[state->request->extra_len] = '\0';
-
- setup_async_read(&state->fd_event, state->request->extra_data.data,
- state->request->extra_len, request_recv, state);
-}
-
-static void request_recv(void *private_data, bool success)
-{
- struct winbindd_cli_state *state =
- talloc_get_type_abort(private_data, struct winbindd_cli_state);
-
- if (!success) {
- state->finished = True;
- return;
- }
-
- process_request(state);
-}
-
/* Process a new connection by adding it to the client connection list */
static void new_connection(int listen_sock, bool privileged)
{
struct sockaddr_un sunaddr;
struct winbindd_cli_state *state;
+ struct tevent_req *req;
socklen_t len;
int sock;
@@ -831,26 +749,51 @@ static void new_connection(int listen_sock, bool privileged)
close(sock);
return;
}
- state->request = &state->_request;
state->sock = sock;
+ state->out_queue = tevent_queue_create(state, "winbind client reply");
+ if (state->out_queue == NULL) {
+ close(sock);
+ TALLOC_FREE(state);
+ return;
+ }
+
state->last_access = time(NULL);
state->privileged = privileged;
- state->fd_event.fd = state->sock;
- state->fd_event.flags = 0;
- add_fd_event(&state->fd_event);
-
- setup_async_read(&state->fd_event, state->request, sizeof(uint32),
- request_len_recv, state);
+ req = wb_req_read_send(state, winbind_event_context(), state->sock,
+ WINBINDD_MAX_EXTRA_DATA);
+ if (req == NULL) {
+ TALLOC_FREE(state);
+ close(sock);
+ return;
+ }
+ tevent_req_set_callback(req, winbind_client_request_read, state);
/* Add to connection list */
winbindd_add_client(state);
}
+static void winbind_client_request_read(struct tevent_req *req)
+{
+ struct winbindd_cli_state *state = tevent_req_callback_data(
+ req, struct winbindd_cli_state);
+ ssize_t ret;
+ int err;
+
+ ret = wb_req_read_recv(req, state, &state->request, &err);
+ if (ret == -1) {
+ DEBUG(2, ("Could not read client request: %s\n",
+ strerror(err)));
+ state->finished = true;
+ return;
+ }
+ process_request(state);
+}
+
/* Remove a client connection from client connection list */
static void remove_client(struct winbindd_cli_state *state)
@@ -888,8 +831,6 @@ static void remove_client(struct winbindd_cli_state *state)
TALLOC_FREE(state->mem_ctx);
- remove_fd_event(&state->fd_event);
-
/* Remove from list and free */
winbindd_remove_client(state);
@@ -906,7 +847,6 @@ static bool remove_idle_client(void)
for (state = winbindd_client_list(); state; state = state->next) {
if (state->response.result != WINBINDD_PENDING &&
- state->fd_event.flags == EVENT_FD_READ &&
!state->getpwent_state && !state->getgrent_state) {
nidle++;
if (!last_access || state->last_access < last_access) {
diff --git a/source3/winbindd/winbindd.h b/source3/winbindd/winbindd.h
index 31d73a5cc8..314643c4e1 100644
--- a/source3/winbindd/winbindd.h
+++ b/source3/winbindd/winbindd.h
@@ -61,7 +61,6 @@ struct sid_ctr {
struct winbindd_cli_state {
struct winbindd_cli_state *prev, *next; /* Linked list pointers */
int sock; /* Open socket from client */
- struct winbindd_fd_event fd_event;
pid_t pid; /* pid of client */
bool finished; /* Can delete from list */
bool write_extra_data; /* Write extra_data field */
@@ -71,6 +70,7 @@ struct winbindd_cli_state {
TALLOC_CTX *mem_ctx; /* memory per request */
struct winbindd_request *request; /* Request from client */
struct winbindd_request _request;
+ struct tevent_queue *out_queue;
struct winbindd_response response; /* Respose to client */
bool getpwent_initialized; /* Has getpwent_state been
* initialized? */
generated by cgit (git 2.34.1) at 2024-11-27 05:28:47 +0000