+++ /dev/null
-/*
- Unix SMB/CIFS implementation.
-
- broadcast name resolution module
-
- Copyright (C) Andrew Tridgell 1994-1998,2005
- Copyright (C) Jeremy Allison 2007
- Copyright (C) Jelmer Vernooij 2007
- Copyright (C) Andrew Bartlett <abartlet@samba.org> 2009-2010
- 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 "libcli/composite/composite.h"
-#include "libcli/resolve/resolve.h"
-#include "lib/socket/socket.h"
-#include "system/network.h"
-#include "lib/socket/netif.h"
-#include "param/param.h"
-#include "lib/util/util_net.h"
-#include "libcli/nbt/libnbt.h"
-
-struct resolve_file_data {
- const char *lookup_file;
- const char *default_domain;
-};
-
-struct resolve_file_state {
- struct socket_address **addrs;
- char **names;
-};
-
-/**
- broadcast name resolution method - async send
- */
-/*
- general name resolution - async send
- */
-struct composite_context *resolve_name_file_send(TALLOC_CTX *mem_ctx,
- struct tevent_context *event_ctx,
- void *userdata, uint32_t flags,
- uint16_t port,
- struct nbt_name *name)
-{
- struct composite_context *c;
- struct resolve_file_data *data = talloc_get_type_abort(userdata, struct resolve_file_data);
- struct resolve_file_state *state;
- struct sockaddr_storage *resolved_iplist;
- int resolved_count, i;
- const char *dns_name;
-
- bool srv_lookup = (flags & RESOLVE_NAME_FLAG_DNS_SRV);
-
- if (event_ctx == NULL) {
- return NULL;
- }
-
- c = composite_create(mem_ctx, event_ctx);
- if (c == NULL) return NULL;
-
- /* This isn't an NBT layer resolver */
- if (flags & RESOLVE_NAME_FLAG_FORCE_NBT) {
- composite_error(c, NT_STATUS_OBJECT_NAME_NOT_FOUND);
- return c;
- }
-
- if (composite_nomem(c->event_ctx, c)) return c;
-
- state = talloc_zero(c, struct resolve_file_state);
- if (composite_nomem(state, c)) return c;
- c->private_data = state;
-
- dns_name = name->name;
- if (strchr(dns_name, '.') == NULL) {
- dns_name = talloc_asprintf(state, "%s.%s", dns_name, data->default_domain);
- }
-
- c->status = resolve_dns_hosts_file_as_sockaddr(data->lookup_file, dns_name,
- srv_lookup, state, &resolved_iplist, &resolved_count);
- if (!composite_is_ok(c)) return c;
-
- for (i=0; i < resolved_count; i++) {
- state->addrs = talloc_realloc(state, state->addrs, struct socket_address *, i+2);
- if (composite_nomem(state->addrs, c)) return c;
-
- if (!(flags & RESOLVE_NAME_FLAG_OVERWRITE_PORT)) {
- set_sockaddr_port((struct sockaddr *)&resolved_iplist[i], port);
- }
-
- state->addrs[i] = socket_address_from_sockaddr(state->addrs, (struct sockaddr *)&resolved_iplist[i], sizeof(resolved_iplist[i]));
- if (composite_nomem(state->addrs[i], c)) return c;
-
- state->addrs[i+1] = NULL;
-
-
- state->names = talloc_realloc(state, state->names, char *, i+2);
- if (composite_nomem(state->addrs, c)) return c;
-
- state->names[i] = talloc_strdup(state->names, dns_name);
- if (composite_nomem(state->names[i], c)) return c;
-
- state->names[i+1] = NULL;
-
- i++;
- }
-
- composite_done(c);
- return c;
-}
-
-/*
- general name resolution method - recv side
- */
-NTSTATUS resolve_name_file_recv(struct composite_context *c,
- TALLOC_CTX *mem_ctx,
- struct socket_address ***addrs,
- char ***names)
-{
- NTSTATUS status;
-
- status = composite_wait(c);
-
- if (NT_STATUS_IS_OK(status)) {
- struct resolve_file_state *state = talloc_get_type(c->private_data, struct resolve_file_state);
- *addrs = talloc_steal(mem_ctx, state->addrs);
- if (names) {
- *names = talloc_steal(mem_ctx, state->names);
- }
- }
-
- talloc_free(c);
- return status;
-}
-
-
-bool resolve_context_add_file_method(struct resolve_context *ctx, const char *lookup_file, const char *default_domain)
-{
- struct resolve_file_data *data = talloc(ctx, struct resolve_file_data);
- data->lookup_file = talloc_strdup(data, lookup_file);
- data->default_domain = talloc_strdup(data, default_domain);
- return resolve_context_add_method(ctx, resolve_name_file_send, resolve_name_file_recv, data);
-}
-
-bool resolve_context_add_file_method_lp(struct resolve_context *ctx, struct loadparm_context *lp_ctx)
-{
- return resolve_context_add_file_method(ctx,
- lpcfg_parm_string(lp_ctx, NULL, "resolv", "host file"),
- lpcfg_dnsdomain(lp_ctx));
-}