--- /dev/null
+/* packet-happp.c
+ * Routines for HAProxy Peers Protocol (HAPPP) dissection
+ * Copyright 2016, Frédéric Lécaille <flecaille@haproxy.com>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <arpa/inet.h>
+
+#include <config.h>
+#include <epan/to_str.h>
+#include <epan/packet.h>
+#include <epan/prefs.h>
+#include <epan/conversation.h>
+#include "strutil.h"
+#include "packet-tcp.h"
+
+#define HAPPP_PROTOCOL "HAProxyS"
+#define HAPPP_MSG_MIN_LEN 2
+
+/* Status messages are the shortest ones (3 digits followed by a LF character) */
+#define STATUS_HANDSHAKE_SUCCEEDED "200"
+#define STATUS_TRY_AGAIN_LATER "300"
+#define STATUS_PROTOCOL_ERROR "501"
+#define STATUS_BAD_VERSION "502"
+#define STATUS_LOCAL_PEER_NAME_MISMATCH "503"
+#define STATUS_REMOTE_PEER_NAME_MISMATCH "504"
+
+#include <stdio.h>
+#include <ctype.h>
+#include <stdarg.h>
+
+#include "tvbuff.h"
+
+#ifdef DEBUG
+static unsigned char dbg_buf[16 << 10];
+
+__attribute__((format (printf, 3, 4)))
+void hexdump(const unsigned char *buf, size_t buflen, const char *title_fmt, ...)
+{
+ size_t i;
+ va_list ap;
+ const unsigned char *p;
+ char str_buf[2 + 1 + 16 + 1 + 1];
+
+ va_start(ap, title_fmt);
+ vfprintf(stderr, title_fmt, ap);
+ va_end(ap);
+
+ p = buf;
+ str_buf[0] = str_buf[1] = ' ';
+ str_buf[2] = '|';
+
+ for (i = 0; i < buflen; i++) {
+ if (!(i & 0xf))
+ fprintf(stderr, "%08X: ", i);
+ fprintf(stderr, " %02x", *p);
+ if (isalnum(*p))
+ str_buf[(i & 0xf) + 3] = *p;
+ else
+ str_buf[(i & 0xf) + 3] = '.';
+ if ((i & 0xf) == 0xf || i == buflen -1) {
+ size_t k;
+
+ for (k = 0; k < (0x10 - (i & 0xf) - 1); k++)
+ fprintf(stderr, " ");
+ str_buf[(i & 0xf) + 4] = '|';
+ str_buf[(i & 0xf) + 5 ] = '\0';
+ fprintf(stderr, "%s\n", str_buf);
+ }
+ p++;
+ }
+}
+
+void hexdump_tvb(tvbuff_t *tvb, const gint offset, size_t len)
+{
+ len = len > sizeof dbg_buf ? sizeof dbg_buf : len;
+ if (tvb_memcpy(tvb, dbg_buf, offset, len)) {
+ hexdump(dbg_buf, len, "tvb buff (%zu bytes):\n", len);
+ } else
+ fprintf(stderr, "tvb buff COPY FAILED\n");
+}
+#endif
+
+/* HAPPP message classes */
+enum {
+ PEER_MSG_CLASS_CONTROL = 0,
+ PEER_MSG_CLASS_ERROR,
+ PEER_MSG_CLASS_STICKTABLE = 0x0a,
+ PEER_MSG_CLASS_RESERVED = 0xff,
+};
+
+enum {
+ CONTROL_CLASS_INDEX,
+ ERROR_CLASS_INDEX,
+ STICK_TABLE_CLASS_INDEX,
+ RESERVED_CLASS_INDEX,
+};
+
+/* Control messages */
+enum {
+ PEER_MSG_CTRL_RESYNCREQ = 0,
+ PEER_MSG_CTRL_RESYNCFINISHED,
+ PEER_MSG_CTRL_RESYNCPARTIAL,
+ PEER_MSG_CTRL_RESYNCCONFIRM,
+};
+
+/* Error messages */
+enum {
+ PEER_MSG_ERR_PROTOCOL = 0,
+ PEER_MSG_ERR_SIZELIMIT,
+};
+
+/* Stick table messages */
+enum {
+ PEER_MSG_STKT_UPDATE = 0x80,
+ PEER_MSG_STKT_INCUPDATE,
+ PEER_MSG_STKT_DEFINE,
+ PEER_MSG_STKT_SWITCH,
+ PEER_MSG_STKT_ACK,
+ PEER_MSG_STKT_UPDATE_TIMED,
+ PEER_MSG_STKT_INCUPDATE_TIMED,
+};
+
+/* This is the different key types of the stick tables.
+ * Same definitions as in HAProxy sources.
+ */
+enum {
+ SMP_T_ANY, /* any type */
+ SMP_T_BOOL, /* boolean */
+ SMP_T_SINT, /* signed 64bits integer type */
+ SMP_T_ADDR, /* ipv4 or ipv6, only used for input type compatibility */
+ SMP_T_IPV4, /* ipv4 type */
+ SMP_T_IPV6, /* ipv6 type */
+ SMP_T_STR, /* char string type */
+ SMP_T_BIN, /* buffer type */
+ SMP_T_METH, /* contain method */
+ SMP_TYPES /* number of types, must always be last */
+};
+
+/* The types of data we can store in a stick table.
+ * Same defintions as in HAProxy sources.
+ */
+enum {
+ STKT_DT_SERVER_ID, /* the server ID to use with this stream if > 0 */
+ STKT_DT_GPT0, /* General Purpose Flag 0. */
+ STKT_DT_GPC0, /* General Purpose Counter 0 (unsigned 32-bit integer) */
+ STKT_DT_GPC0_RATE, /* General Purpose Counter 0's event rate */
+ STKT_DT_CONN_CNT, /* cumulated number of connections */
+ STKT_DT_CONN_RATE, /* incoming connection rate */
+ STKT_DT_CONN_CUR, /* concurrent number of connections */
+ STKT_DT_SESS_CNT, /* cumulated number of sessions (accepted connections) */
+ STKT_DT_SESS_RATE, /* accepted sessions rate */
+ STKT_DT_HTTP_REQ_CNT, /* cumulated number of incoming HTTP requests */
+ STKT_DT_HTTP_REQ_RATE, /* incoming HTTP request rate */
+ STKT_DT_HTTP_ERR_CNT, /* cumulated number of HTTP requests errors (4xx) */
+ STKT_DT_HTTP_ERR_RATE, /* HTTP request error rate */
+ STKT_DT_BYTES_IN_CNT, /* cumulated bytes count from client to servers */
+ STKT_DT_BYTES_IN_RATE, /* bytes rate from client to servers */
+ STKT_DT_BYTES_OUT_CNT, /* cumulated bytes count from servers to client */
+ STKT_DT_BYTES_OUT_RATE, /* bytes rate from servers to client */
+ STKT_STATIC_DATA_TYPES, /* number of types above */
+};
+
+/* The types of data in stick stored in stick tables.
+ * Same definitions as in HAProxy sources.
+ */
+enum {
+ STD_T_SINT = 0, /* signed int */
+ STD_T_UINT, /* unsigned int */
+ STD_T_ULL, /* unsigned long long */
+ STD_T_FRQP, /* freq_ctr_period structure made of three unsigned int */
+};
+
+/* Prototypes */
+void proto_reg_handoff_happp(void);
+void proto_register_happp(void);
+
+/* Initialize the protocol and registered fields */
+static int proto_happp = -1;
+static int hf_happp_fake = -1;
+static int hf_happp_version = -1;
+static int hf_happp_remotepeerid = -1;
+static int hf_happp_localpeerid = -1;
+static int hf_happp_processpid = -1;
+static int hf_happp_relativepid = -1;
+static int hf_happp_status = -1;
+static int hf_happp_msg = -1;
+static int hf_happp_msg_class = -1;
+static int hf_happp_msg_type = -1;
+static int hf_happp_msg_len = -1;
+static int hf_happp_stkt_def_id = -1;
+static int hf_happp_stkt_def_name_len = -1;
+static int hf_happp_stkt_def_name_value = -1;
+static int hf_happp_stkt_def_key_type = -1;
+static int hf_happp_stkt_def_key_len = -1;
+static int hf_happp_stkt_def_data_types = -1;
+static int hf_happp_stkt_updt_update_id = -1;
+static int hf_happp_stkt_updt_expire = -1;
+static int hf_happp_stkt_updt_key_len = -1;
+static int hf_happp_stkt_updt_key_ipv4_value = -1;
+static int hf_happp_stkt_updt_key_str_value = -1;
+static int hf_happp_stkt_updt_key_int_value = -1;
+static int hf_happp_stkt_updt_key_bytes_value = -1;
+static int hf_happp_stkt_updt_data_server_id = -1;
+static int hf_happp_stkt_updt_data_gpt0 = -1;
+static int hf_happp_stkt_updt_data_gpc0 = -1;
+static int hf_happp_stkt_updt_data_gpc0_rate_curr_tick = -1;
+static int hf_happp_stkt_updt_data_gpc0_rate_curr_ctr = -1;
+static int hf_happp_stkt_updt_data_gpc0_rate_prev_ctr = -1;
+static int hf_happp_stkt_updt_data_conn_cnt = -1;
+static int hf_happp_stkt_updt_data_conn_rate_curr_tick = -1;
+static int hf_happp_stkt_updt_data_conn_rate_curr_ctr = -1;
+static int hf_happp_stkt_updt_data_conn_rate_prev_ctr = -1;
+static int hf_happp_stkt_updt_data_conn_cur = -1;
+static int hf_happp_stkt_updt_data_sess_cnt = -1;
+static int hf_happp_stkt_updt_data_sess_rate_curr_tick = -1;
+static int hf_happp_stkt_updt_data_sess_rate_curr_ctr = -1;
+static int hf_happp_stkt_updt_data_sess_rate_prev_ctr = -1;
+static int hf_happp_stkt_updt_data_http_req_cnt = -1;
+static int hf_happp_stkt_updt_data_http_req_rate_curr_tick = -1;
+static int hf_happp_stkt_updt_data_http_req_rate_curr_ctr = -1;
+static int hf_happp_stkt_updt_data_http_req_rate_prev_ctr= -1;
+static int hf_happp_stkt_updt_data_http_err_cnt = -1;
+static int hf_happp_stkt_updt_data_http_err_rate_curr_tick = -1;
+static int hf_happp_stkt_updt_data_http_err_rate_curr_ctr = -1;
+static int hf_happp_stkt_updt_data_http_err_rate_prev_ctr = -1;
+static int hf_happp_stkt_updt_data_bytes_in_cnt = -1;
+static int hf_happp_stkt_updt_data_bytes_in_rate_curr_tick = -1;
+static int hf_happp_stkt_updt_data_bytes_in_rate_curr_ctr = -1;
+static int hf_happp_stkt_updt_data_bytes_in_rate_prev_ctr = -1;
+static int hf_happp_stkt_updt_data_bytes_out_cnt = -1;
+static int hf_happp_stkt_updt_data_bytes_out_rate_curr_tick = -1;
+static int hf_happp_stkt_updt_data_bytes_out_rate_curr_ctr = -1;
+static int hf_happp_stkt_updt_data_bytes_out_rate_prev_ctr = -1;
+static int hf_happp_stkt_updt_ack_table_id = -1;
+static int hf_happp_stkt_updt_ack_update_id = -1;
+
+struct happp_cv_data_t {
+ /* Same thing for the type of the the stick table keys */
+ uint64_t stkt_key_type;
+
+ /* Same thing for the length of the stick table keys.
+ * Note that this is true only for key types different of SMT_T_STR (strings)
+ * and SMT_T_SINT (signed ints).
+ */
+ uint64_t stkt_key_len;
+
+ /* Same thing for the types of the stick table data */
+ uint64_t stkt_data_types;
+ void *data;
+};
+
+struct hf_stkt_data_type {
+ const char *name;
+ unsigned int type;
+ int *hf_ids[3];
+ size_t hf_ids_len;
+};
+
+struct hf_stkt_data_type hf_stkt_data_types[] = {
+ [STKT_DT_SERVER_ID] = {
+ .name = "server_id",
+ .type = STD_T_SINT,
+ .hf_ids = {
+ &hf_happp_stkt_updt_data_server_id,
+ },
+ .hf_ids_len = 1,
+ },
+ [STKT_DT_GPT0] = {
+ .name = "gpt0",
+ .type = STD_T_UINT,
+ .hf_ids = {
+ &hf_happp_stkt_updt_data_gpt0,
+ },
+ .hf_ids_len = 1,
+ },
+ [STKT_DT_GPC0] = {
+ .name = "gpc0",
+ .type = STD_T_UINT,
+ .hf_ids = {
+ &hf_happp_stkt_updt_data_gpc0,
+ },
+ .hf_ids_len = 1,
+ },
+ [STKT_DT_GPC0_RATE] = {
+ .name = "gpc0_rate",
+ .type = STD_T_FRQP,
+ .hf_ids = {
+ &hf_happp_stkt_updt_data_gpc0_rate_curr_tick,
+ &hf_happp_stkt_updt_data_gpc0_rate_curr_ctr,
+ &hf_happp_stkt_updt_data_gpc0_rate_prev_ctr,
+ },
+ .hf_ids_len = 3,
+ },
+ [STKT_DT_CONN_CNT] = {
+ .name = "conn_cnt",
+ .type = STD_T_UINT,
+ .hf_ids = {
+ &hf_happp_stkt_updt_data_conn_cnt,
+ },
+ .hf_ids_len = 1,
+ },
+ [STKT_DT_CONN_RATE] = {
+ .name = "conn_rate",
+ .type = STD_T_FRQP,
+ .hf_ids = {
+ &hf_happp_stkt_updt_data_conn_rate_curr_tick,
+ &hf_happp_stkt_updt_data_conn_rate_curr_ctr,
+ &hf_happp_stkt_updt_data_conn_rate_prev_ctr,
+ },
+ .hf_ids_len = 3,
+ },
+ [STKT_DT_CONN_CUR] = {
+ .name = "conn_cur",
+ .type = STD_T_UINT,
+ .hf_ids = {
+ &hf_happp_stkt_updt_data_conn_cur,
+ },
+ .hf_ids_len = 1,
+ },
+ [STKT_DT_SESS_CNT] = {
+ .name = "sess_cnt",
+ .type = STD_T_UINT,
+ .hf_ids = {
+ &hf_happp_stkt_updt_data_sess_cnt,
+ },
+ .hf_ids_len = 1,
+ },
+ [STKT_DT_SESS_RATE] = {
+ .name = "sess_rate",
+ .type = STD_T_FRQP,
+ .hf_ids = {
+ &hf_happp_stkt_updt_data_sess_rate_curr_tick,
+ &hf_happp_stkt_updt_data_sess_rate_curr_ctr,
+ &hf_happp_stkt_updt_data_sess_rate_prev_ctr,
+ },
+ .hf_ids_len = 3,
+ },
+ [STKT_DT_HTTP_REQ_CNT] = {
+ .name = "http_req_cnt",
+ .type = STD_T_UINT,
+ .hf_ids = {
+ &hf_happp_stkt_updt_data_http_req_cnt,
+ },
+ .hf_ids_len = 1,
+ },
+ [STKT_DT_HTTP_REQ_RATE] = {
+ .name = "http_req_rate",
+ .type = STD_T_FRQP,
+ .hf_ids = {
+ &hf_happp_stkt_updt_data_http_req_rate_curr_tick,
+ &hf_happp_stkt_updt_data_http_req_rate_curr_ctr,
+ &hf_happp_stkt_updt_data_http_req_rate_prev_ctr,
+ },
+ .hf_ids_len = 3,
+ },
+ [STKT_DT_HTTP_ERR_CNT] = {
+ .name = "http_err_cnt",
+ .type = STD_T_UINT,
+ .hf_ids = {
+ &hf_happp_stkt_updt_data_http_err_cnt,
+ },
+ .hf_ids_len = 1,
+ },
+ [STKT_DT_HTTP_ERR_RATE] = {
+ .name = "http_err_rate",
+ .type = STD_T_FRQP,
+ .hf_ids = {
+ &hf_happp_stkt_updt_data_http_err_rate_curr_tick,
+ &hf_happp_stkt_updt_data_http_err_rate_curr_ctr,
+ &hf_happp_stkt_updt_data_http_err_rate_prev_ctr,
+ },
+ .hf_ids_len = 3,
+ },
+ [STKT_DT_BYTES_IN_CNT] = {
+ .name = "bytes_in_cnt",
+ .type = STD_T_ULL,
+ .hf_ids = {
+ &hf_happp_stkt_updt_data_bytes_in_cnt,
+ },
+ .hf_ids_len = 1,
+ },
+ [STKT_DT_BYTES_IN_RATE] = {
+ .name = "bytes_in_rate",
+ .type = STD_T_FRQP,
+ .hf_ids = {
+ &hf_happp_stkt_updt_data_bytes_in_rate_curr_tick,
+ &hf_happp_stkt_updt_data_bytes_in_rate_curr_ctr,
+ &hf_happp_stkt_updt_data_bytes_in_rate_prev_ctr,
+ },
+ .hf_ids_len = 3,
+ },
+ [STKT_DT_BYTES_OUT_CNT] = {
+ .name = "bytes_out_cnt",
+ .type = STD_T_ULL,
+ .hf_ids = {
+ &hf_happp_stkt_updt_data_bytes_out_cnt,
+ },
+ .hf_ids_len = 1,
+ },
+ [STKT_DT_BYTES_OUT_RATE] = {
+ .name = "bytes_out_rate",
+ .type = STD_T_FRQP,
+ .hf_ids = {
+ &hf_happp_stkt_updt_data_bytes_out_rate_curr_tick,
+ &hf_happp_stkt_updt_data_bytes_out_rate_curr_ctr,
+ &hf_happp_stkt_updt_data_bytes_out_rate_prev_ctr,
+ },
+ .hf_ids_len = 3,
+ },
+};
+
+
+/* Initialize the subtree pointers */
+static gint ett_happp = -1;
+static gint ett_happp_msg = -1;
+
+static dissector_handle_t happp_tcp_handle;
+
+static const char *control_msg_type_str_from_byte(guint8 c);
+static const char *error_msg_type_str_from_byte(guint8 c);
+static const char *stkt_msg_type_str_from_byte(guint8 c);
+
+struct class_def_t {
+ const char *class_str;
+ const char *col_info_str;
+ const char *(*msg_type_str_func)(guint8 c);
+ unsigned int count;
+};
+
+static struct class_def_t class_def_tab[] = {
+ [CONTROL_CLASS_INDEX] = {
+ .class_str = "Control Class Message",
+ .col_info_str = "Ctl",
+ .msg_type_str_func = control_msg_type_str_from_byte,
+ },
+ [ERROR_CLASS_INDEX] = {
+ .class_str = "Error Class Message",
+ .col_info_str = "Err",
+ .msg_type_str_func = error_msg_type_str_from_byte,
+ },
+ [STICK_TABLE_CLASS_INDEX] = {
+ .class_str = "Stick Table Class Message",
+ .col_info_str = "Stkt",
+ .msg_type_str_func = stkt_msg_type_str_from_byte,
+ },
+ [RESERVED_CLASS_INDEX] = {
+ .class_str = "Reserved Class Message",
+ .col_info_str = "Res",
+ }
+};
+
+static int control_class_index_from_byte(guint8 c)
+{
+ switch (c) {
+ case PEER_MSG_CLASS_CONTROL:
+ return CONTROL_CLASS_INDEX;
+ case PEER_MSG_CLASS_ERROR:
+ return ERROR_CLASS_INDEX;
+ case PEER_MSG_CLASS_STICKTABLE:
+ return STICK_TABLE_CLASS_INDEX;
+ case PEER_MSG_CLASS_RESERVED:
+ return RESERVED_CLASS_INDEX;
+ default:
+ return -1;
+ };
+}
+
+static const char *class_str_from_byte(guint8 c)
+{
+ int class_idx;
+
+ class_idx = control_class_index_from_byte(c);
+ if (class_idx == -1)
+ return "N/A";
+
+ return class_def_tab[class_idx].class_str;
+}
+
+static const char *control_msg_type_str_from_byte(guint8 c)
+{
+ switch (c) {
+ case PEER_MSG_CTRL_RESYNCREQ:
+ return "resync. request";
+ case PEER_MSG_CTRL_RESYNCFINISHED:
+ return "resync. finished";
+ case PEER_MSG_CTRL_RESYNCPARTIAL:
+ return "resync. partial";
+ case PEER_MSG_CTRL_RESYNCCONFIRM:
+ return "resync. confirm";
+ default:
+ return "Unknown";
+ }
+}
+
+static const char *stkt_msg_type_str_from_byte(guint8 c)
+{
+ switch (c) {
+ case PEER_MSG_STKT_UPDATE:
+ return "update";
+ case PEER_MSG_STKT_INCUPDATE:
+ return "inc. update";
+ case PEER_MSG_STKT_DEFINE:
+ return "definition";
+ case PEER_MSG_STKT_SWITCH:
+ return "switch";
+ case PEER_MSG_STKT_ACK:
+ return "ack";
+ case PEER_MSG_STKT_UPDATE_TIMED:
+ return "update (with expiration)";
+ case PEER_MSG_STKT_INCUPDATE_TIMED:
+ return "inc. update (with expiration)";
+ default:
+ return "Unknown";
+ }
+}
+
+static const char *error_msg_type_str_from_byte(guint8 c)
+{
+ switch (c) {
+ case PEER_MSG_ERR_PROTOCOL:
+ return "protocol error";
+ case PEER_MSG_ERR_SIZELIMIT:
+ return "limit size error";
+ default:
+ return "Unknown";
+ }
+}
+
+#define MAX_ENC_LEN 10
+static uint64_t intdecode(unsigned char **str, size_t len) {
+ int i = 0;
+ uint64_t ret;
+
+ if (len < 1 || len > MAX_ENC_LEN) {
+ *str = NULL;
+ return 0;
+ }
+
+ ret = *(*str)++;
+ len--;
+ if ((ret & 0xf0) != 0xf0 || !len)
+ return ret;
+
+ do {
+ /* As shifting value may be greater than 8 (size of **str in bits),
+ * uint64_t cast is required.
+ */
+ ret += (uint64_t)**str << (4 + 7 * i++);
+ } while (len-- && (*(*str)++ & 0x80) == 0x80);
+
+ return ret;
+}
+
+static int dissect_happp_handshake_pdu(tvbuff_t *tvb, packet_info *pinfo,
+ proto_tree *happp_tree)
+{
+ int line_len, token_len;
+ gint offset = 0, next_offset;
+ const guchar *line, *line_end, *next_token;
+ size_t protocol_strlen;
+
+ line_len = tvb_find_line_end(tvb, offset, -1, &next_offset, TRUE);
+ /* XXX TO DO */
+ if (line_len == -1)
+ return -1;
+
+ protocol_strlen = strlen(HAPPP_PROTOCOL);
+
+ line = tvb_get_ptr(tvb, offset, line_len);
+ line_end = line + (next_offset - offset);
+ /* The line must contain at least HAPPP_PROTOCOL string followed by a space,
+ * then version string (at least one character) and a '\n' character.
+ */
+ if (line_len >= (int)protocol_strlen + 3 &&
+ !tvb_strncaseeql(tvb, 0, HAPPP_PROTOCOL, protocol_strlen)) {
+ /* This is an Hello message */
+ col_set_str(pinfo->cinfo, COL_INFO, "Hello message");
+
+ token_len = get_token_len(line + protocol_strlen + 1, line_end, &next_token);
+ proto_tree_add_item(happp_tree, hf_happp_version, tvb,
+ offset + protocol_strlen + 1, token_len,
+ ENC_ASCII | ENC_NA);
+
+ offset = next_offset;
+ line_len = tvb_find_line_end(tvb, offset, -1, &next_offset, TRUE);
+ /* XXX TO DO */
+ if (line_len == -1)
+ return -1;
+
+ line = tvb_get_ptr(tvb, offset, line_len);
+ line_end = line + (next_offset - offset);
+ /* Get next token: remotepeerid */
+ token_len = get_token_len(line, line_end, &next_token);
+ if (!token_len)
+ return -1;
+
+ proto_tree_add_item(happp_tree, hf_happp_remotepeerid, tvb, offset,
+ token_len, ENC_ASCII | ENC_NA);
+
+ /* Retrieve next line */
+ offset = next_offset;
+ line_len = tvb_find_line_end(tvb, offset, -1, &next_offset, TRUE);
+ /* XXX TO DO */
+ if (line_len == -1)
+ return -1;
+
+ line = tvb_get_ptr(tvb, offset, line_len);
+ line_end = line + (next_offset - offset);
+ /* Get next token: localpeerid */
+ token_len = get_token_len(line, line_end, &next_token);
+ if (!token_len)
+ return -1;
+
+ proto_tree_add_item(happp_tree, hf_happp_localpeerid, tvb, offset,
+ token_len, ENC_ASCII | ENC_NA);
+ offset += next_token - line;
+ line = next_token;
+
+ /* Get next token: processpid */
+ token_len = get_token_len(line, line_end, &next_token);
+ if (!token_len)
+ return -1;
+
+ proto_tree_add_item(happp_tree, hf_happp_processpid, tvb, offset,
+ token_len, ENC_ASCII | ENC_NA);
+ offset += next_token - line;
+ line = next_token;
+
+ /* Get next token: relativepid */
+ token_len = get_token_len(line, line_end, &next_token);
+ if (!token_len)
+ return -1;
+
+ proto_tree_add_item(happp_tree, hf_happp_relativepid, tvb, offset,
+ token_len, ENC_ASCII | ENC_NA);
+ offset += next_token - line;
+ line = next_token;
+
+ }
+ else if (line_len == 3) {
+ col_set_str(pinfo->cinfo, COL_INFO, "Status message");
+ token_len = get_token_len(line, line_end, &next_token);
+ if (!token_len)
+ return -1;
+
+ proto_tree_add_item(happp_tree, hf_happp_status, tvb, offset,
+ token_len, ENC_ASCII | ENC_NA);
+ }
+
+ return tvb_captured_length(tvb);
+}
+
+/* Reset to zero all statistics counters of class_def_array */
+static void init_class_def_tab(struct class_def_t *class_def_array, size_t size)
+{
+ size_t i;
+
+ for (i = 0; i < size; i++)
+ class_def_array[i].count = 0;
+}
+
+/* Add statistics counting information about HAPPP message classes to
+ * info column (numbers of messages found in an HAPPP PDU by class).
+ */
+static inline void col_info_append_class(packet_info *pinfo, int class_index,
+ int *first_class)
+{
+ if (!class_def_tab[class_index].count)
+ return;
+
+ col_append_fstr(pinfo->cinfo, COL_INFO, "%s%s=%u",
+ *first_class ? "" : " ",
+ class_def_tab[class_index].col_info_str,
+ class_def_tab[class_index].count);
+ class_def_tab[class_index].count = 0;
+ *first_class = 0;
+}
+
+
+static int intdecode_from_tvbuff(tvbuff_t *tvb, uint64_t *dec_val,
+ guint *offset, guint total)
+{
+ unsigned char *p, enc_buf[MAX_ENC_LEN];
+ size_t max_enc_buf_len, left;
+
+ left = total - *offset;
+ max_enc_buf_len = left < sizeof enc_buf ? left : sizeof enc_buf;
+ if (!tvb_memcpy(tvb, enc_buf, *offset, max_enc_buf_len))
+ return -1;
+
+ p = enc_buf;
+ *dec_val = intdecode(&p, max_enc_buf_len);
+ if (!p)
+ return -1;
+
+ *offset += p - enc_buf;
+
+ return 0;
+}
+
+static int add_enc_field_to_happp_tree(int field_id, proto_tree *tree, tvbuff_t *tvb,
+ guint *offset, guint total, uint64_t *val)
+{
+ uint64_t dec_val;
+ size_t dec_val_len;
+ guint saved_offset;
+
+ saved_offset = *offset;
+ if (intdecode_from_tvbuff(tvb, &dec_val, offset, total) < 0)
+ return -1;
+
+ dec_val_len = *offset - saved_offset;
+ proto_tree_add_uint64_format_value(tree, field_id, tvb, saved_offset,
+ dec_val_len, dec_val, "%" PRIu64, dec_val);
+
+ if (val)
+ *val = dec_val;
+
+ return 0;
+}
+
+static int add_int_field_to_happp_tree(int field_id,
+ tvbuff_t *tvb, proto_tree *tree,
+ guint *offset, guint total _U_)
+{
+ uint32_t val;
+
+ if (!tvb_memcpy(tvb, &val, *offset, sizeof val))
+ return -1;
+
+ val = ntohl(val);
+ proto_tree_add_int_format_value(tree, field_id, tvb, *offset,
+ sizeof val, val, "%" PRId32, val);
+ *offset += sizeof val;
+
+ return 0;
+}
+
+static void dissect_happp_stkt_define_msg(tvbuff_t *tvb, packet_info *pinfo _U_,
+ proto_tree *tree, guint offset, guint total)
+{
+ uint64_t dec_val;
+ uint64_t stkt_key_type;
+ uint64_t stkt_key_len;
+ uint64_t stkt_data_types;
+ struct happp_cv_data_t *happp_cv_data;
+ conversation_t *cv;
+
+ if (add_enc_field_to_happp_tree(hf_happp_stkt_def_id, tree,
+ tvb, &offset, total, NULL) < 0 ||
+ add_enc_field_to_happp_tree(hf_happp_stkt_def_name_len, tree,
+ tvb, &offset, total, &dec_val) < 0)
+ return;
+
+ /* Add the stick table name to HAPPP proto tree */
+ proto_tree_add_item(tree, hf_happp_stkt_def_name_value, tvb, offset, dec_val,
+ ENC_ASCII | ENC_NA);
+ offset += dec_val;
+
+ if (add_enc_field_to_happp_tree(hf_happp_stkt_def_key_type, tree,
+ tvb, &offset, total, &stkt_key_type) < 0 ||
+ add_enc_field_to_happp_tree(hf_happp_stkt_def_key_len, tree,
+ tvb, &offset, total, &stkt_key_len) < 0 ||
+ add_enc_field_to_happp_tree(hf_happp_stkt_def_data_types, tree,
+ tvb, &offset, total, &stkt_data_types) < 0)
+ return;
+
+ cv = find_conversation(pinfo->num, &pinfo->src, &pinfo->dst,
+ pinfo->ptype, pinfo->srcport, pinfo->destport, 0);
+ if (!cv)
+ return;
+
+ /*
+ * According to the documentation, it is not our responsability
+ * to free this allocated memory.
+ */
+ happp_cv_data = (struct happp_cv_data_t *)wmem_alloc(wmem_file_scope(),
+ sizeof *happp_cv_data);
+ if (!happp_cv_data)
+ return;
+
+ happp_cv_data->stkt_key_type = stkt_key_type;
+ happp_cv_data->stkt_key_len = stkt_key_len;
+ happp_cv_data->stkt_data_types = stkt_data_types;
+
+ conversation_add_proto_data(cv, proto_happp, happp_cv_data);
+}
+
+static void dissect_happp_stkt_update_msg(tvbuff_t *tvb, packet_info *pinfo _U_,
+ proto_tree *tree, guint offset, guint total,
+ unsigned char msg_type_byte)
+{
+ unsigned int data_type;
+ uint64_t *stkt_key_type;
+ uint64_t *stkt_key_len;
+ struct happp_cv_data_t *happp_cv_data;
+ int has_update_id, has_exp;
+ conversation_t *cv;
+
+ cv = find_conversation(pinfo->num, &pinfo->src, &pinfo->dst,
+ pinfo->ptype, pinfo->srcport, pinfo->destport, 0);
+ if (!cv)
+ return;
+
+ happp_cv_data = (struct happp_cv_data_t *)conversation_get_proto_data(cv, proto_happp);
+ if (!happp_cv_data)
+ return;
+
+ has_update_id = msg_type_byte == PEER_MSG_STKT_UPDATE ||
+ msg_type_byte == PEER_MSG_STKT_UPDATE_TIMED;
+ has_exp = msg_type_byte == PEER_MSG_STKT_UPDATE_TIMED ||
+ msg_type_byte == PEER_MSG_STKT_INCUPDATE_TIMED;
+ /* Add the stick table update ID to HAPPP tree */
+ if (has_update_id &&
+ add_int_field_to_happp_tree(hf_happp_stkt_updt_update_id, tvb, tree,
+ &offset, total) < 0)
+ return;
+
+ if (has_exp &&
+ add_int_field_to_happp_tree(hf_happp_stkt_updt_expire, tvb, tree,
+ &offset, total) < 0)
+ return;
+
+
+ stkt_key_type = &happp_cv_data->stkt_key_type;
+ stkt_key_len = &happp_cv_data->stkt_key_len;
+
+ switch(*stkt_key_type) {
+ case SMP_T_STR:
+ if (add_enc_field_to_happp_tree(hf_happp_stkt_updt_key_len, tree, tvb,
+ &offset, total, stkt_key_len) < 0)
+ return;
+
+ proto_tree_add_item(tree, hf_happp_stkt_updt_key_str_value, tvb,
+ offset, *stkt_key_len, ENC_ASCII | ENC_NA);
+ offset += *stkt_key_len;
+ break;
+ case SMP_T_SINT:
+ if (add_int_field_to_happp_tree(hf_happp_stkt_updt_key_int_value, tvb, tree,
+ &offset, total) < 0)
+ return;
+
+ break;
+ case SMP_T_IPV4:
+ proto_tree_add_ipv4(tree, hf_happp_stkt_updt_key_ipv4_value,
+ tvb, offset, 4, tvb_get_ipv4(tvb, offset));
+ offset += 4;
+ break;
+ default:
+ proto_tree_add_item(tree, hf_happp_stkt_updt_key_bytes_value,
+ tvb, offset, *stkt_key_len, ENC_NA);
+ offset += *stkt_key_len;
+ break;
+ }
+
+ /* Data dissection */
+ for (data_type = 0;
+ data_type < sizeof hf_stkt_data_types / sizeof *hf_stkt_data_types;
+ data_type++) {
+ struct hf_stkt_data_type *hf_stkt_dtype;
+ size_t i;
+
+ if (!(happp_cv_data->stkt_data_types & (1 << data_type)))
+ continue;
+
+ hf_stkt_dtype = &hf_stkt_data_types[data_type];
+
+ for (i = 0; i < hf_stkt_dtype->hf_ids_len; i++)
+ if (add_enc_field_to_happp_tree(*hf_stkt_dtype->hf_ids[i], tree, tvb,
+ &offset, total, NULL) < 0)
+ return;
+ }
+}
+
+static void dissect_happp_stkt_ack_msg(tvbuff_t *tvb, packet_info *pinfo _U_,
+ proto_tree *tree, guint offset, guint total)
+{
+ if (add_enc_field_to_happp_tree(hf_happp_stkt_updt_ack_table_id, tree, tvb,
+ &offset, total, NULL) < 0)
+ return;
+
+ if (add_int_field_to_happp_tree(hf_happp_stkt_updt_ack_update_id, tvb, tree,
+ &offset, total) < 0)
+ return;
+}
+
+static void dissect_happp_stk_msg(tvbuff_t *tvb, packet_info *pinfo _U_,
+ proto_tree *tree, guint8 msg_type_byte,
+ guint offset, guint total)
+{
+ switch (msg_type_byte) {
+ case PEER_MSG_STKT_DEFINE:
+ dissect_happp_stkt_define_msg(tvb, pinfo, tree, offset, total);
+ break;
+ case PEER_MSG_STKT_UPDATE:
+ case PEER_MSG_STKT_INCUPDATE:
+ case PEER_MSG_STKT_UPDATE_TIMED:
+ case PEER_MSG_STKT_INCUPDATE_TIMED:
+ dissect_happp_stkt_update_msg(tvb, pinfo, tree, offset, total, msg_type_byte);
+ break;
+ case PEER_MSG_STKT_ACK:
+ dissect_happp_stkt_ack_msg(tvb, pinfo, tree, offset, total);
+ break;
+ };
+
+}
+
+static void
+dissect_happp_msg(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+ guint8 msg_class_byte, guint8 msg_type_byte,
+ guint *offset, guint total)
+{
+ unsigned char *p, enc_buf[MAX_ENC_LEN];
+ uint64_t dec_msg_len;
+ size_t max_enc_buf_len, left, dec_val_len;
+
+ left = total - *offset;
+ max_enc_buf_len = left < sizeof enc_buf ? left : sizeof enc_buf;
+ if (!tvb_memcpy(tvb, enc_buf, *offset, max_enc_buf_len))
+ return;
+
+ p = enc_buf;
+ dec_msg_len = intdecode(&p, max_enc_buf_len);
+ if (!p)
+ return;
+
+ dec_val_len = p - enc_buf;
+ proto_tree_add_uint64_format_value(tree, hf_happp_msg_len,
+ tvb, *offset, dec_val_len, dec_msg_len,
+ "%" PRIu64, dec_msg_len);
+ *offset += dec_val_len;
+
+ switch (msg_class_byte) {
+ case PEER_MSG_CLASS_STICKTABLE:
+ dissect_happp_stk_msg(tvb, pinfo, tree, msg_type_byte, *offset, total);
+ break;
+ }
+
+ *offset += dec_msg_len;
+}
+
+/* Code to actually dissect the packets */
+static int
+dissect_happp_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
+{
+ /* Set up structures needed to add the protocol subtree and manage it */
+ proto_item *item;
+ proto_tree *happp_tree;
+ /* Other misc. local variables. */
+ guint total, offset;
+ int first_message, first_class, curr_class, prev_class;
+ guint8 first_byte;
+ size_t sizeof_class_def_tab;
+
+ offset = 0;
+ first_message = first_class = 1;
+ total = tvb_reported_length(tvb);
+
+ /* create display subtree for the protocol */
+ item = proto_tree_add_item(tree, proto_happp, tvb, offset, -1, ENC_NA);
+ happp_tree = proto_item_add_subtree(item, ett_happp);
+
+ /* Set the protocol column value */
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "happp");
+
+ first_byte = (gchar)tvb_get_guint8(tvb, offset);
+ if (first_byte != PEER_MSG_CLASS_CONTROL &&
+ first_byte != PEER_MSG_CLASS_ERROR &&
+ first_byte != PEER_MSG_CLASS_STICKTABLE &&
+ first_byte != PEER_MSG_CLASS_RESERVED)
+ return dissect_happp_handshake_pdu(tvb, pinfo, happp_tree);
+
+ /* Reset class_def_tab message class counters */
+ sizeof_class_def_tab = sizeof class_def_tab / sizeof *class_def_tab;
+ init_class_def_tab(class_def_tab, sizeof_class_def_tab);
+
+ prev_class = curr_class = -1;
+ col_set_str(pinfo->cinfo, COL_INFO, "[");
+ while (offset < total) {
+ guint8 msg_class_byte, msg_type_byte;
+ const char *(*msg_type_str_func)(guint8 c);
+ struct class_def_t *class_def;
+
+ if (first_message) {
+ msg_class_byte = first_byte;
+ }
+ else {
+ msg_class_byte = tvb_get_guint8(tvb, offset);
+ }
+ curr_class = control_class_index_from_byte(msg_class_byte);
+ if (curr_class == -1)
+ return -1;
+
+ if (first_message) {
+ prev_class = curr_class;
+ first_message = 0;
+ }
+
+ class_def = &class_def_tab[curr_class];
+ class_def->count++;
+ msg_type_str_func = class_def->msg_type_str_func;
+
+ /* Insert a line separator */
+ proto_tree_add_item(happp_tree, hf_happp_fake, tvb,
+ offset, 0,
+ ENC_ASCII | ENC_NA);
+ proto_tree_add_uint_format_value(happp_tree, hf_happp_msg_class,
+ tvb, offset++, 1, msg_class_byte,
+ "%u (%s)", msg_class_byte,
+ class_str_from_byte(msg_class_byte));
+ msg_type_byte = tvb_get_guint8(tvb, offset);
+
+ /* First byte: message class */
+ switch (msg_class_byte) {
+ case PEER_MSG_CLASS_CONTROL:
+ case PEER_MSG_CLASS_ERROR:
+ case PEER_MSG_CLASS_STICKTABLE:
+ /* Second byte: message type in the class */
+ proto_tree_add_uint_format_value(happp_tree, hf_happp_msg_type,
+ tvb, offset++, 1, msg_type_byte,
+ "%u (%s)", msg_type_byte,
+ msg_type_str_func(msg_type_byte));
+ break;
+ case PEER_MSG_CLASS_RESERVED:
+ col_append_str(pinfo->cinfo, COL_INFO, "NON IMPLEMENTED");
+ break;
+ }
+ if (msg_class_byte >= PEER_MSG_CLASS_STICKTABLE)
+ dissect_happp_msg(tvb, pinfo, happp_tree,
+ msg_class_byte, msg_type_byte, &offset, total);
+
+ /* Sequentially add counting information to info column about
+ * number of messages found by class in an HAPPP PDU.
+ * For instance if an HAPPP PDU contains this sequence of messages:
+ * 1 Control message - 2 Stick Table messages - 3 Control messages
+ * column information displays: [Ctl=1 Stkt=2 Ctl=3].
+ */
+ if (curr_class != prev_class) {
+ col_info_append_class(pinfo, prev_class, &first_class);
+ col_info_append_class(pinfo, curr_class, &first_class);
+ prev_class = curr_class;
+ }
+ else if (offset >= total) {
+ /* Last message */
+ col_info_append_class(pinfo, curr_class, &first_class);
+ }
+ }
+ col_append_str(pinfo->cinfo, COL_INFO, "]");
+
+ return tvb_captured_length(tvb);
+}
+
+static guint
+get_happp_msg_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset, void *data _U_)
+{
+ guint ret, len, left;
+ gint next_offset, line_len;
+ guint8 first_byte;
+ uint64_t dec_len;
+ int saved_offset;
+
+ /* 0 means there is not enough data to get length. */
+ ret = 0;
+
+ len = tvb_reported_length(tvb);
+ left = len - offset;
+ if (left < HAPPP_MSG_MIN_LEN)
+ goto out;
+
+ saved_offset = offset;
+ first_byte = (gchar)tvb_get_guint8(tvb, offset);
+ if (first_byte == PEER_MSG_CLASS_CONTROL ||
+ first_byte == PEER_MSG_CLASS_ERROR ||
+ first_byte == PEER_MSG_CLASS_RESERVED) {
+ ret = HAPPP_MSG_MIN_LEN;
+ } else if (first_byte == PEER_MSG_CLASS_STICKTABLE) {
+ int soff;
+
+ left -= HAPPP_MSG_MIN_LEN;
+ offset += HAPPP_MSG_MIN_LEN;
+ soff = offset;
+ if (intdecode_from_tvbuff(tvb, &dec_len, &offset, len) < 0)
+ goto out;
+
+ left -= offset - soff;
+ if (left < dec_len)
+ goto out;
+
+ ret = dec_len + offset - saved_offset;
+ } else {
+ /* hello message: add line lengths to compute this message length. */
+ for (;;) {
+ line_len = tvb_find_line_end(tvb, offset, -1, &next_offset, TRUE);
+ if (line_len == -1)
+ break;
+
+ ret += line_len + 1;
+ offset += line_len + 1;
+ }
+ }
+
+ out:
+ return ret;
+ }
+
+static int
+dissect_happp_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
+{
+ tcp_dissect_pdus(tvb, pinfo, tree, TRUE,
+ HAPPP_MSG_MIN_LEN, get_happp_msg_len, dissect_happp_pdu, data);
+
+ return tvb_captured_length(tvb);
+}
+
+/* Register the protocol with Wireshark.
+ *
+ * This format is require because a script is used to build the C function that
+ * calls all the protocol registration.
+ */
+void
+proto_register_happp(void)
+{
+ /* Setup list of header fields See Section 1.5 of README.dissector for
+ * details. */
+ static hf_register_info hf[] = {
+ {
+ /* This one is used as separator between HAPPP messages */
+ &hf_happp_fake,
+ {
+ ":-----------------------------------------------", "happp.fake",
+ FT_STRING, STR_ASCII, NULL, 0, "FAKE", HFILL
+ }
+ },
+ {
+ &hf_happp_version,
+ {
+ "version", "happp.version",
+ FT_STRING, STR_ASCII, NULL, 0, "version", HFILL
+ }
+ },
+ {
+ &hf_happp_remotepeerid,
+ {
+ "remotepeerid", "happp.remotepeerid",
+ FT_STRING, STR_ASCII, NULL, 0, "remote peer id", HFILL
+ }
+ },
+ {
+ &hf_happp_localpeerid,
+ {
+ "localpeerid", "happp.localpeerid",
+ FT_STRING, STR_ASCII, NULL, 0, "local peer id", HFILL
+ }
+ },
+ {
+ &hf_happp_processpid,
+ {
+ "processpid", "happp.processpid",
+ FT_STRING, STR_ASCII, NULL, 0, "process pid", HFILL
+ }
+ },
+ {
+ &hf_happp_relativepid,
+ {
+ "relativepid", "happp.relativepid",
+ FT_STRING, STR_ASCII, NULL, 0, "relative pid", HFILL
+ }
+ },
+ {
+ &hf_happp_status,
+ {
+ "status", "happp.status",
+ FT_STRING, STR_ASCII, NULL, 0, "status message", HFILL
+ }
+ },
+ {
+ &hf_happp_msg,
+ {
+ "message", "happp.msg",
+ FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_msg_class,
+ {
+ "message class", "happp.msg.class",
+ FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_msg_type,
+ {
+ "message type", "happp.msg.type",
+ FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_msg_len,
+ {
+ "message length", "happp.msg.len",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_def_id,
+ {
+ " ID", "happp.msg.stkt.def.id",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_def_name_len,
+ {
+ " name length", "happp.msg.stkt.def.name.length",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_def_name_value,
+ {
+ " name", "happp.msg.stkt.def.name.value",
+ FT_STRING, STR_ASCII, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_def_key_type,
+ {
+ " key type", "happp.msg.stkt.def.key.type",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_def_key_len,
+ {
+ " key length", "happp.msg.stkt.def.key.len",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_def_data_types,
+ {
+ " data types", "happp.msg.stkt.def.data_types",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_update_id,
+ {
+ " update ID", "happp.msg.stkt.updt.update_id",
+ FT_INT32, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_expire,
+ {
+ " expiration", "happp.msg.stkt.updt.expiration",
+ FT_INT32, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_key_len,
+ {
+ " key length", "happp.msg.stkt.updt.key.len",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_key_str_value,
+ {
+ " key value", "happp.msg.stkt.updt.key.str.value",
+ FT_STRING, STR_ASCII, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_key_int_value,
+ {
+ " key value", "happp.msg.stkt.updt.key.int.value",
+ FT_INT32, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_key_ipv4_value,
+ {
+ " key IPv4 value", "happp.msg.stkt.updt.key.ipv4.value",
+ FT_IPv4, BASE_NONE, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_key_bytes_value,
+ {
+ " key value", "happp.msg.stkt.updt.key.bytes.value",
+ FT_BYTES, 0, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_server_id,
+ {
+ " server_id", "happp.msg.stkt.updt.data.server_id",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_gpt0,
+ {
+ " gpt0", "happp.msg.stkt.updt.data.gpt0",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_gpc0,
+ {
+ " gpc0", "happp.msg.stkt.updt.data.gpc0",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_gpc0_rate_curr_tick,
+ {
+ " gpc0 curr. tick",
+ "happp.msg.stkt.updt.data.gpc0_rate.curr_tick",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_gpc0_rate_curr_ctr,
+ {
+ " gpc0 curr. ctr.",
+ "happp.msg.stkt.updt.data.gpc0_rate.curr_ctr",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_gpc0_rate_prev_ctr,
+ {
+ " gpc0 prev. ctr.",
+ "happp.msg.stkt.updt.data.gpc0_rate.prev_ctr",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_conn_cnt,
+ {
+ " conn_cnt",
+ "happp.msg.stkt.updt.data.conn_cnt",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_conn_rate_curr_tick,
+ {
+ " conn_rate curr. tick",
+ "happp.msg.stkt.updt.data.conn_rate.curr_tick",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_conn_rate_curr_ctr,
+ {
+ " conn_rate curr. ctr.",
+ "happp.msg.stkt.updt.data.conn_rate.curr_ctr",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_conn_rate_prev_ctr,
+ {
+ " conn_rate prev. ctr.",
+ "happp.msg.stkt.updt.data.conn_rate.prev_ctr",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_conn_cur,
+ {
+ " conn_curr curr. tick",
+ "happp.msg.stkt.updt.data.conn_cur",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_sess_cnt,
+ {
+ " sess_cnt", "happp.msg.stkt.updt.data.sess_cnt",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_sess_rate_curr_tick,
+ {
+ " sess_rate curr. tick",
+ "happp.msg.stkt.updt.data.sess_rate.curr_tick",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_sess_rate_curr_ctr,
+ {
+ " sess_rate curr. ctr.",
+ "happp.msg.stkt.updt.data.sess_rate.curr_ctr",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_sess_rate_prev_ctr,
+ {
+ " sess_rate prev. ctr.",
+ "happp.msg.stkt.updt.data.sess_rate.prev_ctr",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_http_req_cnt,
+ {
+ " http_req_cnt",
+ "happp.msg.stkt.updt.data.http_req_cnt",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_http_req_rate_curr_tick,
+ {
+ " http_req_rate curr. tick",
+ "happp.msg.stkt.updt.data.http_req_rate.curr_tick",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_http_req_rate_curr_ctr,
+ {
+ " http_req_rate curr. ctr.",
+ "happp.msg.stkt.updt.data.http_req_rate.curr_ctr",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_http_req_rate_prev_ctr,
+ {
+ " http_req_rate prev. ctr.",
+ "happp.msg.stkt.updt.data.http_req_rate.prev_ctr",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_http_err_cnt,
+ {
+ " http_err_cnt",
+ "happp.msg.stkt.updt.data.http_err_cnt",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_http_err_rate_curr_tick,
+ {
+ " http_err_rate curr. tick",
+ "happp.msg.stkt.updt.data.http_err_rate.curr_tick",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_http_err_rate_curr_ctr,
+ {
+ " http_err_rate curr. ctr.",
+ "happp.msg.stkt.updt.data.http_err_rate.curr_ctr",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_http_err_rate_prev_ctr,
+ {
+ " http_err_rate prev. ctr.",
+ "happp.msg.stkt.updt.data.http_err_rate.prev_ctr",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_bytes_in_cnt,
+ {
+ " bytes_in_cnt",
+ "happp.msg.stkt.updt.data.bytes_in_cnt",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_bytes_in_rate_curr_tick,
+ {
+ " bytes_in_rate curr. tick",
+ "happp.msg.stkt.updt.data.bytes_in_rate.curr_tick",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_bytes_in_rate_curr_ctr,
+ {
+ " bytes_in_rate curr. ctr.",
+ "happp.msg.stkt.updt.data.bytes_in_rate.curr_ctr",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_bytes_in_rate_prev_ctr,
+ {
+ " bytes_in_rate prev. ctr.",
+ "happp.msg.stkt.updt.data.bytes_in_rate.prev_ctr",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_bytes_out_cnt,
+ {
+ " bytes_out_cnt",
+ "happp.msg.stkt.updt.data.bytes_out_cnt",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_bytes_out_rate_curr_tick,
+ {
+ " bytes_out_rate curr. tick",
+ "happp.msg.stkt.updt.data.bytes_out_rate.curr_tick",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_bytes_out_rate_curr_ctr,
+ {
+ " bytes_out_rate curr. ctr.",
+ "happp.msg.stkt.updt.data.bytes_out_rate.curr_ctr",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_data_bytes_out_rate_prev_ctr,
+ {
+ " bytes_out_rate prev. ctr.",
+ "happp.msg.stkt.updt.data.bytes_out_rate.prev_ctr",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_ack_table_id,
+ {
+ " remote table Id",
+ "happp.msg.stkt.updt.ack.table_id",
+ FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ {
+ &hf_happp_stkt_updt_ack_update_id,
+ {
+ " update Id", "happp.msg.stkt.updt.ack.update_id",
+ FT_INT32, BASE_DEC, NULL, 0, NULL, HFILL
+ }
+ },
+ };
+
+ /* Setup protocol subtree array */
+ static gint *ett[] = {
+ &ett_happp,
+ &ett_happp_msg
+ };
+
+ /* Register the protocol name and description */
+ proto_happp = proto_register_protocol("HAProxy Peers Protocol", "HAPPP", "happp");
+
+ /* Required function calls to register the header fields and subtrees */
+ proto_register_field_array(proto_happp, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+}
+
+static gboolean
+dissect_happp_heur_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
+{
+ size_t proto_strlen;
+ conversation_t *conversation;
+
+ proto_strlen = strlen(HAPPP_PROTOCOL);
+
+ if (tvb_captured_length(tvb) < proto_strlen + 1)
+ return FALSE;
+
+ /* Check that we received a line begining with HAPPP_PROTOCOL
+ * followed by a space character.
+ */
+ if (tvb_strneql(tvb, 0, HAPPP_PROTOCOL, proto_strlen) ||
+ tvb_get_guint8(tvb, proto_strlen) != ' ')
+ return FALSE;
+
+ conversation = find_or_create_conversation(pinfo);
+ if (!conversation)
+ return FALSE;
+
+ conversation_set_dissector(conversation, happp_tcp_handle);
+ dissect_happp_tcp(tvb, pinfo, tree, data);
+
+ return TRUE;
+}
+
+/* Simpler form of proto_reg_handoff_happp which can be used if there are
+ * no prefs-dependent registration function calls. */
+void
+proto_reg_handoff_happp(void)
+{
+ /* Use create_dissector_handle() to indicate that dissect_happp_tcp()
+ * returns the number of bytes it dissected (or 0 if it thinks the packet
+ * does not belong to HAProxy Peers Protocol).
+ */
+ happp_tcp_handle = create_dissector_handle(dissect_happp_tcp, proto_happp);
+ heur_dissector_add("tcp", dissect_happp_heur_tcp, "HAPPP over TCP", "happp_tcp",
+ proto_happp, HEURISTIC_ENABLE);
+}
+
projects / thirdparty / haproxy.git / commitdiff
