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-rw-r--r--source3/winbindd/winbindd.c3
-rw-r--r--source3/winbindd/winbindd_proto.h7
-rw-r--r--source3/winbindd/winbindd_wins.c71
-rw-r--r--source3/winbindd/winbindd_wins_byip.c135
4 files changed, 143 insertions, 73 deletions
diff --git a/source3/winbindd/winbindd.c b/source3/winbindd/winbindd.c
index 677f766182..8c6d91e628 100644
--- a/source3/winbindd/winbindd.c
+++ b/source3/winbindd/winbindd.c
@@ -453,7 +453,6 @@ static struct winbindd_dispatch_table {
/* WINS functions */
{ WINBINDD_WINS_BYNAME, winbindd_wins_byname, "WINS_BYNAME" },
- { WINBINDD_WINS_BYIP, winbindd_wins_byip, "WINS_BYIP" },
/* End of list */
@@ -545,6 +544,8 @@ static struct winbindd_async_dispatch_table async_nonpriv_table[] = {
{ WINBINDD_PAM_CHNG_PSWD_AUTH_CRAP, "PAM_CHNG_PSWD_AUTH_CRAP",
winbindd_pam_chng_pswd_auth_crap_send,
winbindd_pam_chng_pswd_auth_crap_recv },
+ { WINBINDD_WINS_BYIP, "PING",
+ winbindd_wins_byip_send, winbindd_wins_byip_recv },
{ 0, NULL, NULL, NULL }
};
diff --git a/source3/winbindd/winbindd_proto.h b/source3/winbindd/winbindd_proto.h
index ab61223c86..e0a582e44e 100644
--- a/source3/winbindd/winbindd_proto.h
+++ b/source3/winbindd/winbindd_proto.h
@@ -436,7 +436,6 @@ bool parse_sidlist(TALLOC_CTX *mem_ctx, const char *sidstr,
/* The following definitions come from winbindd/winbindd_wins.c */
-void winbindd_wins_byip(struct winbindd_cli_state *state);
void winbindd_wins_byname(struct winbindd_cli_state *state);
struct tevent_req *wb_ping_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
@@ -861,6 +860,12 @@ struct tevent_req *winbindd_sids_to_xids_send(TALLOC_CTX *mem_ctx,
struct winbindd_request *request);
NTSTATUS winbindd_sids_to_xids_recv(struct tevent_req *req,
struct winbindd_response *response);
+struct tevent_req *winbindd_wins_byip_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct winbindd_cli_state *cli,
+ struct winbindd_request *request);
+NTSTATUS winbindd_wins_byip_recv(struct tevent_req *req,
+ struct winbindd_response *presp);
/* The following definitions come from winbindd/winbindd_samr.c */
diff --git a/source3/winbindd/winbindd_wins.c b/source3/winbindd/winbindd_wins.c
index 5ac6109411..a468b0f8b3 100644
--- a/source3/winbindd/winbindd_wins.c
+++ b/source3/winbindd/winbindd_wins.c
@@ -27,26 +27,6 @@
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_WINBIND
-static struct node_status *lookup_byaddr_backend(TALLOC_CTX *mem_ctx,
- const char *addr, int *count)
-{
- struct sockaddr_storage ss;
- struct nmb_name nname;
- struct node_status *result;
- NTSTATUS status;
-
- make_nmb_name(&nname, "*", 0);
- if (!interpret_string_addr(&ss, addr, AI_NUMERICHOST)) {
- return NULL;
- }
- status = node_status_query(mem_ctx, &nname, &ss,
- &result, count, NULL);
- if (!NT_STATUS_IS_OK(status)) {
- return NULL;
- }
- return result;
-}
-
static struct sockaddr_storage *lookup_byname_backend(TALLOC_CTX *mem_ctx,
const char *name,
int *count)
@@ -95,57 +75,6 @@ static struct sockaddr_storage *lookup_byname_backend(TALLOC_CTX *mem_ctx,
return return_ss;
}
-/* Get hostname from IP */
-
-void winbindd_wins_byip(struct winbindd_cli_state *state)
-{
- fstring response;
- int i, count, maxlen, size;
- struct node_status *status;
-
- /* Ensure null termination */
- state->request->data.winsreq[sizeof(state->request->data.winsreq)-1]='\0';
-
- DEBUG(3, ("[%5lu]: wins_byip %s\n", (unsigned long)state->pid,
- state->request->data.winsreq));
-
- *response = '\0';
- maxlen = sizeof(response) - 1;
-
- if ((status = lookup_byaddr_backend(
- state->mem_ctx, state->request->data.winsreq, &count))) {
- size = strlen(state->request->data.winsreq);
- if (size > maxlen) {
- TALLOC_FREE(status);
- request_error(state);
- return;
- }
- fstrcat(response,state->request->data.winsreq);
- fstrcat(response,"\t");
- for (i = 0; i < count; i++) {
- /* ignore group names */
- if (status[i].flags & 0x80) continue;
- if (status[i].type == 0x20) {
- size = sizeof(status[i].name) + strlen(response);
- if (size > maxlen) {
- TALLOC_FREE(status);
- request_error(state);
- return;
- }
- fstrcat(response, status[i].name);
- fstrcat(response, " ");
- }
- }
- /* make last character a newline */
- response[strlen(response)-1] = '\n';
- TALLOC_FREE(status);
- }
- strlcpy(state->response->data.winsresp,
- response,
- sizeof(state->response->data.winsresp));
- request_ok(state);
-}
-
/* Get IP from hostname */
void winbindd_wins_byname(struct winbindd_cli_state *state)
diff --git a/source3/winbindd/winbindd_wins_byip.c b/source3/winbindd/winbindd_wins_byip.c
new file mode 100644
index 0000000000..4ae1b82ac2
--- /dev/null
+++ b/source3/winbindd/winbindd_wins_byip.c
@@ -0,0 +1,135 @@
+/*
+ Unix SMB/CIFS implementation.
+ async implementation of WINBINDD_WINS_BYIP
+ Copyright (C) Volker Lendecke 2011
+
+ 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/>.
+*/
+
+#include "includes.h"
+#include "winbindd.h"
+#include "librpc/gen_ndr/ndr_wbint_c.h"
+#include "libsmb/nmblib.h"
+
+struct winbindd_wins_byip_state {
+ struct nmb_name star;
+ struct sockaddr_storage addr;
+ fstring response;
+};
+
+static void winbindd_wins_byip_done(struct tevent_req *subreq);
+
+struct tevent_req *winbindd_wins_byip_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct winbindd_cli_state *cli,
+ struct winbindd_request *request)
+{
+ struct tevent_req *req, *subreq;
+ struct winbindd_wins_byip_state *state;
+
+ req = tevent_req_create(mem_ctx, &state,
+ struct winbindd_wins_byip_state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ /* Ensure null termination */
+ request->data.winsreq[sizeof(request->data.winsreq)-1]='\0';
+
+ fstr_sprintf(state->response, "%s\t", request->data.winsreq);
+
+ DEBUG(3, ("[%5lu]: wins_byip %s\n", (unsigned long)cli->pid,
+ request->data.winsreq));
+
+ make_nmb_name(&state->star, "*", 0);
+
+ if (!interpret_string_addr(&state->addr, request->data.winsreq,
+ AI_NUMERICHOST)) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return tevent_req_post(req, ev);
+ }
+
+ subreq = node_status_query_send(state, ev, &state->star,
+ &state->addr);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, winbindd_wins_byip_done, req);
+ return req;
+}
+
+static void winbindd_wins_byip_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct winbindd_wins_byip_state *state = tevent_req_data(
+ req, struct winbindd_wins_byip_state);
+ struct node_status *names;
+ int i, num_names;
+ NTSTATUS status;
+
+ status = node_status_query_recv(subreq, talloc_tos(), &names,
+ &num_names, NULL);
+ TALLOC_FREE(subreq);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
+
+ for (i=0; i<num_names; i++) {
+ size_t size;
+ /*
+ * ignore group names
+ */
+ if (names[i].flags & 0x80) {
+ continue;
+ }
+ /*
+ * Only report 0x20
+ */
+ if (names[i].type != 0x20) {
+ continue;
+ }
+
+ DEBUG(10, ("got name %s\n", names[i].name));
+
+ size = strlen(names[i].name + strlen(state->response));
+ if (size > sizeof(state->response) - 1) {
+ DEBUG(10, ("To much data\n"));
+ tevent_req_nterror(req, STATUS_BUFFER_OVERFLOW);
+ return;
+ }
+ fstrcat(state->response, names[i].name);
+ fstrcat(state->response, " ");
+ }
+ state->response[strlen(state->response)-1] = '\n';
+
+ DEBUG(10, ("response: %s", state->response));
+
+ TALLOC_FREE(names);
+ tevent_req_done(req);
+}
+
+NTSTATUS winbindd_wins_byip_recv(struct tevent_req *req,
+ struct winbindd_response *presp)
+{
+ struct winbindd_wins_byip_state *state = tevent_req_data(
+ req, struct winbindd_wins_byip_state);
+ NTSTATUS status;
+
+ if (tevent_req_is_nterror(req, &status)) {
+ return status;
+ }
+ fstrcpy(presp->data.winsresp, state->response);
+ return NT_STATUS_OK;
+}
generated by cgit (git 2.34.1) at 2024-11-30 20:24:17 +0000