Starts implementing dumping for ATT/GATT pdus.
---
Makefile.am | 1 +
parser/att.c | 161 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
parser/l2cap.c | 7 +++
parser/parser.h | 2 +
src/hcidump.c | 1 +
5 files changed, 172 insertions(+), 0 deletions(-)
create mode 100644 parser/att.c
diff --git a/Makefile.am b/Makefile.am
index e39ae1e..99dd422 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -5,6 +5,7 @@ parser_sources = parser/parser.h parser/parser.c \
parser/lmp.c \
parser/hci.c \
parser/l2cap.c \
+ parser/att.c \
parser/sdp.h parser/sdp.c \
parser/rfcomm.h parser/rfcomm.c \
parser/bnep.c \
diff --git a/parser/att.c b/parser/att.c
new file mode 100644
index 0000000..eb0d00b
--- /dev/null
+++ b/parser/att.c
@@ -0,0 +1,161 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2011 André Dieb Martins <andre.dieb@xxxxxxxxx>
+ *
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <sys/types.h>
+#include <netinet/in.h>
+
+#include "parser.h"
+
+/* Attribute Protocol Opcodes */
+#define ATT_OP_ERROR 0x01
+#define ATT_OP_MTU_REQ 0x02
+#define ATT_OP_MTU_RESP 0x03
+#define ATT_OP_FIND_INFO_REQ 0x04
+#define ATT_OP_FIND_INFO_RESP 0x05
+#define ATT_OP_FIND_BY_TYPE_REQ 0x06
+#define ATT_OP_FIND_BY_TYPE_RESP 0x07
+#define ATT_OP_READ_BY_TYPE_REQ 0x08
+#define ATT_OP_READ_BY_TYPE_RESP 0x09
+#define ATT_OP_READ_REQ 0x0A
+#define ATT_OP_READ_RESP 0x0B
+#define ATT_OP_READ_BLOB_REQ 0x0C
+#define ATT_OP_READ_BLOB_RESP 0x0D
+#define ATT_OP_READ_MULTI_REQ 0x0E
+#define ATT_OP_READ_MULTI_RESP 0x0F
+#define ATT_OP_READ_BY_GROUP_REQ 0x10
+#define ATT_OP_READ_BY_GROUP_RESP 0x11
+#define ATT_OP_WRITE_REQ 0x12
+#define ATT_OP_WRITE_RESP 0x13
+#define ATT_OP_WRITE_CMD 0x52
+#define ATT_OP_PREP_WRITE_REQ 0x16
+#define ATT_OP_PREP_WRITE_RESP 0x17
+#define ATT_OP_EXEC_WRITE_REQ 0x18
+#define ATT_OP_EXEC_WRITE_RESP 0x19
+#define ATT_OP_HANDLE_NOTIFY 0x1B
+#define ATT_OP_HANDLE_IND 0x1D
+#define ATT_OP_HANDLE_CNF 0x1E
+#define ATT_OP_SIGNED_WRITE_CMD 0xD2
+
+
+/* Attribute Protocol Opcodes */
+static const char *attop2str(uint8_t op)
+{
+ switch (op) {
+ case ATT_OP_ERROR:
+ return "Error";
+ case ATT_OP_MTU_REQ:
+ return "MTU req";
+ case ATT_OP_MTU_RESP:
+ return "MTU resp";
+ case ATT_OP_FIND_INFO_REQ:
+ return "Find Information req";
+ case ATT_OP_FIND_INFO_RESP:
+ return "Find Information resp";
+ case ATT_OP_FIND_BY_TYPE_REQ:
+ return "Find By Type req";
+ case ATT_OP_FIND_BY_TYPE_RESP:
+ return "Find By Type resp";
+ case ATT_OP_READ_BY_TYPE_REQ:
+ return "Read By Type req";
+ case ATT_OP_READ_BY_TYPE_RESP:
+ return "Read By Type resp";
+ case ATT_OP_READ_REQ:
+ return "Read req";
+ case ATT_OP_READ_RESP:
+ return "Read resp";
+ case ATT_OP_READ_BLOB_REQ:
+ return "Read Blob req";
+ case ATT_OP_READ_BLOB_RESP:
+ return "Read Blob resp";
+ case ATT_OP_READ_MULTI_REQ:
+ return "Read Multi req";
+ case ATT_OP_READ_MULTI_RESP:
+ return "Read Multi resp";
+ case ATT_OP_READ_BY_GROUP_REQ:
+ return "Read By Group req";
+ case ATT_OP_READ_BY_GROUP_RESP:
+ return "Read By Group resp";
+ case ATT_OP_WRITE_REQ:
+ return "Write req";
+ case ATT_OP_WRITE_RESP:
+ return "Write resp";
+ case ATT_OP_WRITE_CMD:
+ return "Write cmd";
+ case ATT_OP_PREP_WRITE_REQ:
+ return "Prepare Write req";
+ case ATT_OP_PREP_WRITE_RESP:
+ return "Prepare Write resp";
+ case ATT_OP_EXEC_WRITE_REQ:
+ return "Exec Write req";
+ case ATT_OP_EXEC_WRITE_RESP:
+ return "Exec Write resp";
+ case ATT_OP_HANDLE_NOTIFY:
+ return "Handle notify";
+ case ATT_OP_HANDLE_IND:
+ return "Handle indicate";
+ case ATT_OP_HANDLE_CNF:
+ return "Handle CNF";
+ case ATT_OP_SIGNED_WRITE_CMD:
+ return "Signed Write Cmd";
+ default:
+ return "Unknown";
+ }
+}
+
+static void att_handle_notify_dump(int level, struct frame *frm)
+{
+ uint16_t handle = btohs(htons(get_u16(frm)));
+
+ p_indent(level, frm);
+ printf("handle 0x%2.2x\n", handle);
+}
+
+void att_dump(int level, struct frame *frm)
+{
+ uint8_t op;
+
+ op = get_u8(frm);
+
+ p_indent(level, frm);
+ printf("ATT: %s (0x%.2x)\n", attop2str(op), op);
+
+ switch (op) {
+ case ATT_OP_HANDLE_NOTIFY:
+ att_handle_notify_dump(level + 1, frm);
+ break;
+
+ default:
+ raw_dump(level, frm);
+ break;
+ }
+}
diff --git a/parser/l2cap.c b/parser/l2cap.c
index 5c5371f..963468c 100644
--- a/parser/l2cap.c
+++ b/parser/l2cap.c
@@ -898,6 +898,13 @@ static void l2cap_parse(int level, struct frame *frm)
raw_dump(level + 1, frm);
break;
+ case 0x1f:
+ if (!p_filter(FILT_ATT))
+ att_dump(level, frm);
+ else
+ raw_dump(level + 1, frm);
+ break;
+
default:
proto = get_proto(frm->handle, psm, 0);
diff --git a/parser/parser.h b/parser/parser.h
index 973ab22..f093b6b 100644
--- a/parser/parser.h
+++ b/parser/parser.h
@@ -77,6 +77,7 @@ struct frame {
#define FILT_HCRP 0x0200
#define FILT_AVDTP 0x0400
#define FILT_AVCTP 0x0800
+#define FILT_ATT 0x1000
#define FILT_OBEX 0x00010000
#define FILT_CAPI 0x00020000
@@ -229,6 +230,7 @@ void hidp_dump(int level, struct frame *frm);
void hcrp_dump(int level, struct frame *frm);
void avdtp_dump(int level, struct frame *frm);
void avctp_dump(int level, struct frame *frm);
+void att_dump(int level, struct frame *frm);
void obex_dump(int level, struct frame *frm);
void capi_dump(int level, struct frame *frm);
diff --git a/src/hcidump.c b/src/hcidump.c
index b344489..af086c7 100644
--- a/src/hcidump.c
+++ b/src/hcidump.c
@@ -824,6 +824,7 @@ static struct {
{ "cmtp", FILT_CMTP },
{ "hidp", FILT_HIDP },
{ "hcrp", FILT_HCRP },
+ { "att", FILT_ATT },
{ "avdtp", FILT_AVDTP },
{ "avctp", FILT_AVCTP },
{ "obex", FILT_OBEX },
--
1.7.1
--
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