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 2 of the License, or
+ 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,
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, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
*/
#include "includes.h"
-#include "libcli/raw/libcliraw.h"
#include "lib/events/events.h"
#include "libnet/libnet.h"
#include "libcli/composite/composite.h"
-#include "libcli/composite/monitor.h"
-#include "libnet/composite.h"
-#include "librpc/gen_ndr/ndr_nbt.h"
+#include "auth/credentials/credentials.h"
+#include "lib/messaging/messaging.h"
+#include "lib/messaging/irpc.h"
+#include "libcli/resolve/resolve.h"
+#include "libcli/finddcs.h"
+#include "libcli/security/security.h"
+#include "librpc/gen_ndr/lsa.h"
+#include "librpc/gen_ndr/ndr_lsa_c.h"
+#include "param/param.h"
struct lookup_state {
- struct composite_context *resolve_ctx;
struct nbt_name hostname;
- char address[16];
+ const char *address;
};
-struct composite_context *libnet_Lookup_send(struct libnet_Lookup *io)
+static void continue_name_resolved(struct composite_context *ctx);
+
+
+/**
+ * Sends asynchronous Lookup request
+ *
+ * @param io arguments and result of the call
+ */
+
+struct composite_context *libnet_Lookup_send(struct libnet_context *ctx,
+ struct libnet_Lookup *io)
{
struct composite_context *c;
struct lookup_state *s;
-
- if (!io) return NULL;
+ struct composite_context *cresolve_req;
+ const char** methods;
/* allocate context and state structures */
- c = talloc_zero(NULL, struct composite_context);
- if (c == NULL) goto failed;
+ c = composite_create(ctx, ctx->event_ctx);
+ if (c == NULL) return NULL;
s = talloc_zero(c, struct lookup_state);
- if (s == NULL) goto failed;
-
- /* prepare event context */
- c->event_ctx = event_context_init(c);
- if (c->event_ctx == NULL) goto failed;
+ if (composite_nomem(s, c)) return c;
+
+ c->private_data = s;
+
+ if (io == NULL || io->in.hostname == NULL) {
+ composite_error(c, NT_STATUS_INVALID_PARAMETER);
+ return c;
+ }
/* parameters */
s->hostname.name = talloc_strdup(s, io->in.hostname);
+ if (composite_nomem(s->hostname.name, c)) return c;
+
s->hostname.type = io->in.type;
s->hostname.scope = NULL;
- c->private = s;
- c->state = SMBCLI_REQUEST_SEND;
+ /* name resolution methods */
+ if (io->in.methods) {
+ methods = io->in.methods;
+ } else {
+ methods = ctx->name_res_methods;
+ }
/* send resolve request */
- s->resolve_ctx = resolve_name_send(&s->hostname, c->event_ctx, io->in.methods);
+ cresolve_req = resolve_name_send(&s->hostname, c->event_ctx, methods);
+ if (composite_nomem(cresolve_req, c)) return c;
+ composite_continue(c, cresolve_req, continue_name_resolved, c);
return c;
+}
-failed:
- talloc_free(c);
- return NULL;
+
+static void continue_name_resolved(struct composite_context *ctx)
+{
+ struct composite_context *c;
+ struct lookup_state *s;
+
+ c = talloc_get_type(ctx->async.private_data, struct composite_context);
+ s = talloc_get_type(c->private_data, struct lookup_state);
+
+ c->status = resolve_name_recv(ctx, s, &s->address);
+
+ composite_done(c);
}
+/**
+ * Waits for and receives results of asynchronous Lookup call
+ *
+ * @param c composite context returned by asynchronous Lookup call
+ * @param mem_ctx memory context of the call
+ * @param io pointer to results (and arguments) of the call
+ * @return nt status code of execution
+ */
+
NTSTATUS libnet_Lookup_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
struct libnet_Lookup *io)
{
NTSTATUS status;
struct lookup_state *s;
- s = talloc_get_type(c->private, struct lookup_state);
+ status = composite_wait(c);
+ if (NT_STATUS_IS_OK(status)) {
+ s = talloc_get_type(c->private_data, struct lookup_state);
+
+ io->out.address = str_list_make(mem_ctx, s->address, NULL);
+ NT_STATUS_HAVE_NO_MEMORY(io->out.address);
+ }
- status = resolve_name_recv(s->resolve_ctx, mem_ctx, io->out.address);
+ talloc_free(c);
return status;
}
-NTSTATUS libnet_Lookup(TALLOC_CTX *mem_ctx, struct libnet_Lookup *io)
+/**
+ * Synchronous version of Lookup call
+ *
+ * @param mem_ctx memory context for the call
+ * @param io arguments and results of the call
+ * @return nt status code of execution
+ */
+
+NTSTATUS libnet_Lookup(struct libnet_context *ctx, TALLOC_CTX *mem_ctx,
+ struct libnet_Lookup *io)
+{
+ struct composite_context *c = libnet_Lookup_send(ctx, io);
+ return libnet_Lookup_recv(c, mem_ctx, io);
+}
+
+
+/*
+ * Shortcut functions to find common types of name
+ * (and skip nbt name type argument)
+ */
+
+
+/**
+ * Sends asynchronous LookupHost request
+ */
+struct composite_context* libnet_LookupHost_send(struct libnet_context *ctx,
+ struct libnet_Lookup *io)
+{
+ io->in.type = NBT_NAME_SERVER;
+ return libnet_Lookup_send(ctx, io);
+}
+
+
+
+/**
+ * Synchronous version of LookupHost call
+ */
+NTSTATUS libnet_LookupHost(struct libnet_context *ctx, TALLOC_CTX *mem_ctx,
+ struct libnet_Lookup *io)
{
- struct composite_context *c = libnet_Lookup_send(io);
+ struct composite_context *c = libnet_LookupHost_send(ctx, io);
return libnet_Lookup_recv(c, mem_ctx, io);
}
+
+
+/**
+ * Sends asynchronous LookupDCs request
+ */
+struct composite_context* libnet_LookupDCs_send(struct libnet_context *ctx,
+ TALLOC_CTX *mem_ctx,
+ struct libnet_LookupDCs *io)
+{
+ struct composite_context *c;
+ struct messaging_context *msg_ctx =
+ messaging_client_init(mem_ctx, lp_messaging_path(mem_ctx, global_loadparm), ctx->event_ctx);
+
+ c = finddcs_send(mem_ctx, io->in.domain_name, io->in.name_type,
+ NULL, ctx->name_res_methods, ctx->event_ctx, msg_ctx);
+ return c;
+}
+
+/**
+ * Waits for and receives results of asynchronous Lookup call
+ *
+ * @param c composite context returned by asynchronous Lookup call
+ * @param mem_ctx memory context of the call
+ * @param io pointer to results (and arguments) of the call
+ * @return nt status code of execution
+ */
+
+NTSTATUS libnet_LookupDCs_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
+ struct libnet_LookupDCs *io)
+{
+ NTSTATUS status;
+ status = finddcs_recv(c, mem_ctx, &io->out.num_dcs, &io->out.dcs);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+ return status;
+}
+
+
+/**
+ * Synchronous version of LookupDCs
+ */
+NTSTATUS libnet_LookupDCs(struct libnet_context *ctx, TALLOC_CTX *mem_ctx,
+ struct libnet_LookupDCs *io)
+{
+ struct composite_context *c = libnet_LookupDCs_send(ctx, mem_ctx, io);
+ return libnet_LookupDCs_recv(c, mem_ctx, io);
+}
+
+
+struct lookup_name_state {
+ struct libnet_context *ctx;
+ const char *name;
+ uint32_t count;
+ struct libnet_DomainOpen domopen;
+ struct lsa_LookupNames lookup;
+ struct lsa_TransSidArray sids;
+ struct lsa_String *names;
+
+ /* information about the progress */
+ void (*monitor_fn)(struct monitor_msg *);
+};
+
+
+static bool prepare_lookup_params(struct libnet_context *ctx,
+ struct composite_context *c,
+ struct lookup_name_state *s);
+static void continue_lookup_name(struct composite_context *ctx);
+static void continue_name_found(struct rpc_request *req);
+
+
+struct composite_context* libnet_LookupName_send(struct libnet_context *ctx,
+ TALLOC_CTX *mem_ctx,
+ struct libnet_LookupName *io,
+ void (*monitor)(struct monitor_msg*))
+{
+ struct composite_context *c;
+ struct lookup_name_state *s;
+ struct rpc_request *lookup_req;
+ bool prereq_met = false;
+
+ c = composite_create(mem_ctx, ctx->event_ctx);
+ if (c == NULL) return NULL;
+
+ s = talloc_zero(c, struct lookup_name_state);
+ if (composite_nomem(s, c)) return c;
+
+ c->private_data = s;
+
+ s->name = talloc_strdup(c, io->in.name);
+ s->monitor_fn = monitor;
+ s->ctx = ctx;
+
+ prereq_met = lsa_domain_opened(ctx, io->in.domain_name, &c, &s->domopen,
+ continue_lookup_name, monitor);
+ if (!prereq_met) return c;
+
+ if (!prepare_lookup_params(ctx, c, s)) return c;
+
+ lookup_req = dcerpc_lsa_LookupNames_send(ctx->lsa.pipe, c, &s->lookup);
+ if (composite_nomem(lookup_req, c)) return c;
+
+ composite_continue_rpc(c, lookup_req, continue_name_found, c);
+ return c;
+}
+
+
+static bool prepare_lookup_params(struct libnet_context *ctx,
+ struct composite_context *c,
+ struct lookup_name_state *s)
+{
+ const int single_name = 1;
+
+ s->sids.count = 0;
+ s->sids.sids = NULL;
+
+ s->names = talloc_array(ctx, struct lsa_String, single_name);
+ if (composite_nomem(s->names, c)) return false;
+ s->names[0].string = s->name;
+
+ s->lookup.in.handle = &ctx->lsa.handle;
+ s->lookup.in.num_names = single_name;
+ s->lookup.in.names = s->names;
+ s->lookup.in.sids = &s->sids;
+ s->lookup.in.level = 1;
+ s->lookup.in.count = &s->count;
+ s->lookup.out.count = &s->count;
+ s->lookup.out.sids = &s->sids;
+
+ return true;
+}
+
+
+static void continue_lookup_name(struct composite_context *ctx)
+{
+ struct composite_context *c;
+ struct lookup_name_state *s;
+ struct rpc_request *lookup_req;
+
+ c = talloc_get_type(ctx->async.private_data, struct composite_context);
+ s = talloc_get_type(c->private_data, struct lookup_name_state);
+
+ c->status = libnet_DomainOpen_recv(ctx, s->ctx, c, &s->domopen);
+ if (!composite_is_ok(c)) return;
+
+ if (!prepare_lookup_params(s->ctx, c, s)) return;
+
+ lookup_req = dcerpc_lsa_LookupNames_send(s->ctx->lsa.pipe, c, &s->lookup);
+ if (composite_nomem(lookup_req, c)) return;
+
+ composite_continue_rpc(c, lookup_req, continue_name_found, c);
+}
+
+
+static void continue_name_found(struct rpc_request *req)
+{
+ struct composite_context *c;
+ struct lookup_name_state *s;
+
+ c = talloc_get_type(req->async.private_data, struct composite_context);
+ s = talloc_get_type(c->private_data, struct lookup_name_state);
+
+ c->status = dcerpc_ndr_request_recv(req);
+ if (!composite_is_ok(c)) return;
+
+ c->status = s->lookup.out.result;
+ if (!composite_is_ok(c)) return;
+
+ composite_done(c);
+}
+
+
+NTSTATUS libnet_LookupName_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
+ struct libnet_LookupName *io)
+{
+ NTSTATUS status;
+ struct lookup_name_state *s;
+
+ status = composite_wait(c);
+
+ if (NT_STATUS_IS_OK(status)) {
+ s = talloc_get_type(c->private_data, struct lookup_name_state);
+
+ io->out.rid = 0;
+ io->out.sid = NULL;
+ io->out.sidstr = NULL;
+
+ if (*s->lookup.out.count > 0) {
+ struct lsa_RefDomainList *domains = s->lookup.out.domains;
+ struct lsa_TransSidArray *sids = s->lookup.out.sids;
+
+ if (domains == NULL || sids == NULL) {
+ status = NT_STATUS_UNSUCCESSFUL;
+ io->out.error_string = talloc_asprintf(mem_ctx, "Error: %s", nt_errstr(status));
+ goto done;
+ }
+
+ if (sids->count > 0) {
+ io->out.rid = sids->sids[0].rid;
+ io->out.sid_type = sids->sids[0].sid_type;
+ if (domains->count > 0) {
+ io->out.sid = dom_sid_add_rid(mem_ctx, domains->domains[0].sid, io->out.rid);
+ NT_STATUS_HAVE_NO_MEMORY(io->out.sid);
+ io->out.sidstr = dom_sid_string(mem_ctx, io->out.sid);
+ NT_STATUS_HAVE_NO_MEMORY(io->out.sidstr);
+ }
+ }
+ }
+
+ io->out.error_string = talloc_strdup(mem_ctx, "Success");
+
+ } else if (!NT_STATUS_IS_OK(status)) {
+ io->out.error_string = talloc_asprintf(mem_ctx, "Error: %s", nt_errstr(status));
+ }
+
+done:
+ talloc_free(c);
+ return status;
+}
+
+
+NTSTATUS libnet_LookupName(struct libnet_context *ctx, TALLOC_CTX *mem_ctx,
+ struct libnet_LookupName *io)
+{
+ struct composite_context *c;
+
+ c = libnet_LookupName_send(ctx, mem_ctx, io, NULL);
+ return libnet_LookupName_recv(c, mem_ctx, io);
+}
git.samba.org / jelmer / samba4-debian.git / blobdiff