---
parser/att.c | 80 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 80 insertions(+), 0 deletions(-)
diff --git a/parser/att.c b/parser/att.c
index 261dfe6..3717839 100644
--- a/parser/att.c
+++ b/parser/att.c
@@ -66,6 +66,26 @@
#define ATT_OP_HANDLE_CNF 0x1E
#define ATT_OP_SIGNED_WRITE_CMD 0xD2
+/* Error codes for Error response PDU */
+#define ATT_ECODE_INVALID_HANDLE 0x01
+#define ATT_ECODE_READ_NOT_PERM 0x02
+#define ATT_ECODE_WRITE_NOT_PERM 0x03
+#define ATT_ECODE_INVALID_PDU 0x04
+#define ATT_ECODE_INSUFF_AUTHEN 0x05
+#define ATT_ECODE_REQ_NOT_SUPP 0x06
+#define ATT_ECODE_INVALID_OFFSET 0x07
+#define ATT_ECODE_INSUFF_AUTHO 0x08
+#define ATT_ECODE_PREP_QUEUE_FULL 0x09
+#define ATT_ECODE_ATTR_NOT_FOUND 0x0A
+#define ATT_ECODE_ATTR_NOT_LONG 0x0B
+#define ATT_ECODE_INSUFF_ENCR_KEY_SIZE 0x0C
+#define ATT_ECODE_INVAL_ATTR_VALUE_LEN 0x0D
+#define ATT_ECODE_UNLIKELY 0x0E
+#define ATT_ECODE_INSUFF_ENC 0x0F
+#define ATT_ECODE_UNSUPP_GRP_TYPE 0x10
+#define ATT_ECODE_INSUFF_RESOURCES 0x11
+#define ATT_ECODE_IO 0xFF
+
/* Attribute Protocol Opcodes */
static const char *attop2str(uint8_t op)
@@ -132,6 +152,63 @@ static const char *attop2str(uint8_t op)
}
}
+static const char * atterror2str(uint8_t err)
+{
+ switch (err) {
+ case ATT_ECODE_INVALID_HANDLE:
+ return "Invalid handle";
+ case ATT_ECODE_READ_NOT_PERM:
+ return "Read not permitted";
+ case ATT_ECODE_WRITE_NOT_PERM:
+ return "Write not permitted";
+ case ATT_ECODE_INVALID_PDU:
+ return "Invalid PDU";
+ case ATT_ECODE_INSUFF_AUTHEN:
+ return "Insufficient authentication";
+ case ATT_ECODE_REQ_NOT_SUPP:
+ return "Request not supported";
+ case ATT_ECODE_INVALID_OFFSET:
+ return "Invalid offset";
+ case ATT_ECODE_INSUFF_AUTHO:
+ return "Insufficient authorization";
+ case ATT_ECODE_PREP_QUEUE_FULL:
+ return "Prepare queue full";
+ case ATT_ECODE_ATTR_NOT_FOUND:
+ return "Attribute not found";
+ case ATT_ECODE_ATTR_NOT_LONG:
+ return "Attribute not long";
+ case ATT_ECODE_INSUFF_ENCR_KEY_SIZE:
+ return "Insufficient encryption key size";
+ case ATT_ECODE_INVAL_ATTR_VALUE_LEN:
+ return "Invalid attribute value length";
+ case ATT_ECODE_UNLIKELY:
+ return "Unlikely error";
+ case ATT_ECODE_INSUFF_ENC:
+ return "Insufficient encryption";
+ case ATT_ECODE_UNSUPP_GRP_TYPE:
+ return "Unsupported group type";
+ case ATT_ECODE_INSUFF_RESOURCES:
+ return "Insufficient resources";
+ case ATT_ECODE_IO:
+ return "Application Error";
+ default:
+ return "Reserved";
+ }
+}
+
+static void att_error_dump(int level, struct frame *frm)
+{
+ uint8_t op = get_u8(frm);
+ uint16_t handle = btohs(htons(get_u16(frm)));
+ uint8_t err = get_u8(frm);
+
+ p_indent(level, frm);
+ printf("Error: %s 0x%.2x\n", atterror2str(err), err);
+
+ p_indent(level, frm);
+ printf("opcode %d (%s) on handle 0x%2.2x\n", op, attop2str(op), handle);
+}
+
static void att_mtu_req_dump(int level, struct frame *frm)
{
uint16_t client_rx_mtu = btohs(htons(get_u16(frm)));
@@ -173,6 +250,9 @@ void att_dump(int level, struct frame *frm)
printf("ATT: %s (0x%.2x)\n", attop2str(op), op);
switch (op) {
+ case ATT_OP_ERROR:
+ att_error_dump(level + 1, frm);
+ break;
case ATT_OP_MTU_REQ:
att_mtu_req_dump(level + 1, frm);
break;
--
1.7.1
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