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authorJelmer Vernooij <jelmer@samba.org>2005-06-07 22:09:18 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 13:17:48 -0500
commit7c9d76d30c0f89f926744941ba3e0e6dbb24975c (patch)
treef904199fd09b036ece965345c1231961556bce48 /source4/libcli/dgram
parentc6a3ee8baba002d7568d17fb0bc73908eb4da2e7 (diff)
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r7377: Integrate browse service stuff more nicely
Add notes on mailslots Add TODO list for pidl, including some plans on switching over to using [string] attributes for pidl. (This used to be commit fca195ce072bacb0543625aec7f4bce814e278eb)
Diffstat (limited to 'source4/libcli/dgram')
-rw-r--r--source4/libcli/dgram/browse.c98
-rw-r--r--source4/libcli/dgram/mailslot.c16
2 files changed, 112 insertions, 2 deletions
diff --git a/source4/libcli/dgram/browse.c b/source4/libcli/dgram/browse.c
new file mode 100644
index 0000000000..d7707b7ec8
--- /dev/null
+++ b/source4/libcli/dgram/browse.c
@@ -0,0 +1,98 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ handling for browsing dgram requests
+
+ Copyright (C) Jelmer Vernooij 2005
+ Heavily based on ntlogon.c
+
+ 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
+ (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, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include "lib/events/events.h"
+#include "libcli/nbt/libnbt.h"
+#include "libcli/dgram/libdgram.h"
+#include "lib/socket/socket.h"
+#include "librpc/gen_ndr/ndr_nbt.h"
+
+NTSTATUS dgram_mailslot_browse_send(struct nbt_dgram_socket *dgmsock,
+ struct nbt_name *dest_name, const char *dest_address, int dest_port,
+ struct nbt_name *src_name, struct nbt_browse_packet *request)
+{
+ NTSTATUS status;
+ DATA_BLOB blob;
+ TALLOC_CTX *tmp_ctx = talloc_new(dgmsock);
+
+ status = ndr_push_struct_blob(&blob, tmp_ctx, request,
+ (ndr_push_flags_fn_t)ndr_push_nbt_browse_packet);
+ if (!NT_STATUS_IS_OK(status)) {
+ talloc_free(tmp_ctx);
+ return status;
+ }
+
+ status = dgram_mailslot_send(dgmsock, DGRAM_DIRECT_UNIQUE,
+ NBT_MAILSLOT_BROWSE,
+ dest_name, dest_address, dest_port,
+ src_name, &blob);
+ talloc_free(tmp_ctx);
+ return status;
+}
+
+NTSTATUS dgram_mailslot_browse_reply(struct nbt_dgram_socket *dgmsock,
+ struct nbt_dgram_packet *request, const char *mailslot_name,
+ struct nbt_browse_packet *reply)
+{
+ NTSTATUS status;
+ DATA_BLOB blob;
+ TALLOC_CTX *tmp_ctx = talloc_new(dgmsock);
+ struct nbt_name myname;
+
+ status = ndr_push_struct_blob(&blob, tmp_ctx, reply,
+ (ndr_push_flags_fn_t)ndr_push_nbt_browse_packet);
+ if (!NT_STATUS_IS_OK(status)) {
+ talloc_free(tmp_ctx);
+ return status;
+ }
+
+ make_nbt_name_client(&myname, lp_netbios_name());
+
+ status = dgram_mailslot_send(dgmsock, DGRAM_DIRECT_UNIQUE,
+ mailslot_name,
+ &request->data.msg.source_name,
+ request->source, request->src_port,
+ &myname, &blob);
+ talloc_free(tmp_ctx);
+ return status;
+}
+
+NTSTATUS dgram_mailslot_browse_parse(struct dgram_mailslot_handler *dgmslot,
+ TALLOC_CTX *mem_ctx, struct nbt_dgram_packet *dgram,
+ struct nbt_browse_packet *pkt)
+{
+ DATA_BLOB data = dgram_mailslot_data(dgram);
+ NTSTATUS status;
+
+ status = ndr_pull_struct_blob(&data, mem_ctx, pkt,
+ (ndr_pull_flags_fn_t)ndr_pull_nbt_browse_packet);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("Failed to parse browse packet of length %d\n",
+ data.length));
+ if (DEBUGLVL(10)) {
+ file_save("browse.dat", data.data, data.length);
+ }
+ }
+ return status;
+}
diff --git a/source4/libcli/dgram/mailslot.c b/source4/libcli/dgram/mailslot.c
index 9f02210646..14e7e49fc1 100644
--- a/source4/libcli/dgram/mailslot.c
+++ b/source4/libcli/dgram/mailslot.c
@@ -1,8 +1,8 @@
/*
Unix SMB/CIFS implementation.
- packet handling for mailslot requests
-
+ packet handling for mailslot requests.
+
Copyright (C) Andrew Tridgell 2005
This program is free software; you can redistribute it and/or modify
@@ -20,6 +20,18 @@
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+/*
+ This implements "Class 2 mailslots", i.e. the communication mechanism
+ used for all mailslot packets smaller then 425 bytes.
+
+ "Class 1 mailslots" (which use SMB) are used for messages larger
+ then 426 bytes and are supported on some systems. These are not implemented
+ in Samba4 yet, as there don't appear to be any core services that use
+ them.
+
+ 425 and 426-byte sized messages are not supported at all.
+*/
+
#include "includes.h"
#include "lib/events/events.h"
#include "dlinklist.h"