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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-09-19 04:52:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-09-19 04:52:31 +0000
commit31cd589d20ba8d3d6b3fc4fccacc40d38a163c5d (patch)
tree99d6c086833d530e5d1d33a8128961f8149843f0 /print-openflow-1.0.c
parentAdding upstream version 4.99.4. (diff)
downloadtcpdump-upstream/4.99.5.tar.xz
tcpdump-upstream/4.99.5.zip
Adding upstream version 4.99.5.upstream/4.99.5upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--print-openflow-1.0.c143
1 files changed, 62 insertions, 81 deletions
diff --git a/print-openflow-1.0.c b/print-openflow-1.0.c
index 1d7f247..3ee1650 100644
--- a/print-openflow-1.0.c
+++ b/print-openflow-1.0.c
@@ -59,9 +59,7 @@
/* \summary: OpenFlow protocol version 1.0 printer */
-#ifdef HAVE_CONFIG_H
#include <config.h>
-#endif
#include "netdissect-stdinc.h"
@@ -318,7 +316,6 @@ static const struct tok ofp_capabilities_bm[] = {
#define OFPC_FRAG_NORMAL 0x0000U
#define OFPC_FRAG_DROP 0x0001U
#define OFPC_FRAG_REASM 0x0002U
-#define OFPC_FRAG_MASK 0x0003U
static const struct tok ofp_config_str[] = {
{ OFPC_FRAG_NORMAL, "FRAG_NORMAL" },
{ OFPC_FRAG_DROP, "FRAG_DROP" },
@@ -700,12 +697,12 @@ of10_bsn_message_print(netdissect_options *ndo,
{
uint32_t subtype;
- if (len < 4)
- goto invalid;
+ ND_PRINT("\n\t");
+ ND_ICHECK_U(len, <, 4);
/* subtype */
subtype = GET_BE_U_4(cp);
OF_FWD(4);
- ND_PRINT("\n\t subtype %s", tok2str(bsn_subtype_str, "unknown (0x%08x)", subtype));
+ ND_PRINT(" subtype %s", tok2str(bsn_subtype_str, "unknown (0x%08x)", subtype));
switch (subtype) {
case BSN_GET_IP_MASK_REQUEST:
/*
@@ -720,8 +717,7 @@ of10_bsn_message_print(netdissect_options *ndo,
* +---------------+---------------+---------------+---------------+
*
*/
- if (len != 8)
- goto invalid;
+ ND_ICHECK_U(len, !=, 8);
/* index */
ND_PRINT(", index %u", GET_U_1(cp));
OF_FWD(1);
@@ -743,8 +739,7 @@ of10_bsn_message_print(netdissect_options *ndo,
* +---------------+---------------+---------------+---------------+
*
*/
- if (len != 8)
- goto invalid;
+ ND_ICHECK_U(len, !=, 8);
/* index */
ND_PRINT(", index %u", GET_U_1(cp));
OF_FWD(1);
@@ -766,8 +761,7 @@ of10_bsn_message_print(netdissect_options *ndo,
* +---------------+---------------+---------------+---------------+
*
*/
- if (len != 4)
- goto invalid;
+ ND_ICHECK_U(len, !=, 4);
/* report_mirror_ports */
ND_PRINT(", report_mirror_ports %s",
tok2str(bsn_onoff_str, "bogus (%u)", GET_U_1(cp)));
@@ -789,8 +783,7 @@ of10_bsn_message_print(netdissect_options *ndo,
* +---------------+---------------+---------------+---------------+
*
*/
- if (len)
- goto invalid;
+ ND_ICHECK_U(len, !=, 0);
break;
case BSN_VIRTUAL_PORT_REMOVE_REQUEST:
/*
@@ -803,8 +796,7 @@ of10_bsn_message_print(netdissect_options *ndo,
* +---------------+---------------+---------------+---------------+
*
*/
- if (len != 4)
- goto invalid;
+ ND_ICHECK_U(len, !=, 4);
/* vport_no */
ND_PRINT(", vport_no %u", GET_BE_U_4(cp));
break;
@@ -821,8 +813,7 @@ of10_bsn_message_print(netdissect_options *ndo,
* +---------------+---------------+--------
*
*/
- if (len < 4)
- goto invalid;
+ ND_ICHECK_U(len, <, 4);
/* service */
ND_PRINT(", service %u", GET_BE_U_4(cp));
OF_FWD(4);
@@ -859,8 +850,7 @@ of10_bsn_message_print(netdissect_options *ndo,
* +---------------+---------------+---------------+---------------+
*
*/
- if (len != 4)
- goto invalid;
+ ND_ICHECK_U(len, !=, 4);
/* status */
ND_PRINT(", status 0x%08x", GET_BE_U_4(cp));
break;
@@ -880,12 +870,12 @@ of10_bsn_actions_print(netdissect_options *ndo,
{
uint32_t subtype, vlan_tag;
- if (len < 4)
- goto invalid;
+ ND_PRINT("\n\t ");
+ ND_ICHECK_U(len, <, 4);
/* subtype */
subtype = GET_BE_U_4(cp);
OF_FWD(4);
- ND_PRINT("\n\t subtype %s", tok2str(bsn_action_subtype_str, "unknown (0x%08x)", subtype));
+ ND_PRINT(" subtype %s", tok2str(bsn_action_subtype_str, "unknown (0x%08x)", subtype));
switch (subtype) {
case BSN_ACTION_MIRROR:
/*
@@ -902,8 +892,7 @@ of10_bsn_actions_print(netdissect_options *ndo,
* +---------------+---------------+---------------+---------------+
*
*/
- if (len != 12)
- goto invalid;
+ ND_ICHECK_U(len, !=, 12);
/* dest_port */
ND_PRINT(", dest_port %u", GET_BE_U_4(cp));
OF_FWD(4);
@@ -945,8 +934,7 @@ of10_vendor_action_print(netdissect_options *ndo,
uint32_t vendor;
void (*decoder)(netdissect_options *, const u_char *, u_int);
- if (len < 4)
- goto invalid;
+ ND_ICHECK_U(len, <, 4);
/* vendor */
vendor = GET_BE_U_4(cp);
OF_FWD(4);
@@ -989,8 +977,7 @@ of10_vendor_data_print(netdissect_options *ndo,
{
uint32_t vendor;
- if (len < 4)
- goto invalid;
+ ND_ICHECK_U(len, <, 4);
/* vendor */
vendor = GET_BE_U_4(cp);
OF_FWD(4);
@@ -1099,18 +1086,18 @@ of10_queue_props_print(netdissect_options *ndo,
uint16_t property, plen;
u_char plen_bogus = 0, skip = 0;
- if (len < OF_QUEUE_PROP_MINLEN)
- goto invalid;
+ ND_PRINT("\n\t ");
+ ND_ICHECKMSG_U("remaining length", len, <, OF_QUEUE_PROP_MINLEN);
/* property */
property = GET_BE_U_2(cp);
OF_FWD(2);
- ND_PRINT("\n\t property %s", tok2str(ofpqt_str, "invalid (0x%04x)", property));
+ ND_PRINT(" property %s", tok2str(ofpqt_str, "invalid (0x%04x)", property));
/* len */
plen = GET_BE_U_2(cp);
OF_FWD(2);
ND_PRINT(", len %u", plen);
- if (plen < OF_QUEUE_PROP_MINLEN || plen > len + 4)
- goto invalid;
+ ND_ICHECKMSG_U("property length", plen, <, OF_QUEUE_PROP_MINLEN);
+ ND_ICHECKMSG_U("property length", plen, >, len + 4);
/* pad */
/* Sometimes the last field, check bounds. */
OF_CHK_FWD(4);
@@ -1165,17 +1152,17 @@ of10_queues_print(netdissect_options *ndo,
while (len) {
uint16_t desclen;
- if (len < OF_PACKET_QUEUE_MINLEN)
- goto invalid;
+ ND_PRINT("\n\t ");
+ ND_ICHECKMSG_U("remaining length", len, <, OF_PACKET_QUEUE_MINLEN);
/* queue_id */
- ND_PRINT("\n\t queue_id %u", GET_BE_U_4(cp));
+ ND_PRINT(" queue_id %u", GET_BE_U_4(cp));
OF_FWD(4);
/* len */
desclen = GET_BE_U_2(cp);
OF_FWD(2);
ND_PRINT(", len %u", desclen);
- if (desclen < OF_PACKET_QUEUE_MINLEN || desclen > len + 6)
- goto invalid;
+ ND_ICHECKMSG_U("prop. desc. length", desclen, <, OF_PACKET_QUEUE_MINLEN);
+ ND_ICHECKMSG_U("prop. desc. length", desclen, >, len + 6);
/* pad */
/* Sometimes the last field, check bounds. */
OF_CHK_FWD(2);
@@ -1276,8 +1263,7 @@ of10_match_print(netdissect_options *ndo,
&& ! (wildcards & OFPFW_NW_PROTO) && nw_proto == IPPROTO_ICMP
? "icmp_code" : "tp_dst";
ND_PRINT("%smatch %s %u", pfx, field_name, GET_BE_U_2(cp));
- }
- else
+ } else
ND_TCHECK_2(cp);
}
@@ -1290,12 +1276,12 @@ of10_actions_print(netdissect_options *ndo,
uint16_t type, alen, output_port;
u_char alen_bogus = 0, skip = 0;
- if (len < OF_ACTION_MINLEN)
- goto invalid;
+ ND_PRINT("%saction", pfx);
+ ND_ICHECKMSG_U("remaining length", len, <, OF_ACTION_MINLEN);
/* type */
type = GET_BE_U_2(cp);
OF_FWD(2);
- ND_PRINT("%saction type %s", pfx, tok2str(ofpat_str, "invalid (0x%04x)", type));
+ ND_PRINT(" type %s", tok2str(ofpat_str, "invalid (0x%04x)", type));
/* length */
alen = GET_BE_U_2(cp);
OF_FWD(2);
@@ -1308,8 +1294,8 @@ of10_actions_print(netdissect_options *ndo,
*/
/* On action size underrun/overrun skip the rest of the action list. */
- if (alen < OF_ACTION_MINLEN || alen > len + 4)
- goto invalid;
+ ND_ICHECK_U(alen, <, OF_ACTION_MINLEN);
+ ND_ICHECK_U(alen, >, len + 4);
/*
* After validating the basic length constraint it will be safe
* to skip the current action if the action size is not valid
@@ -1468,8 +1454,7 @@ of10_features_reply_print(netdissect_options *ndo,
OF_FWD(4);
/* ports */
while (len) {
- if (len < OF_PHY_PORT_FIXLEN)
- goto invalid;
+ ND_ICHECKMSG_U("\n\t port def. length", len, <, OF_PHY_PORT_FIXLEN);
of10_phy_port_print(ndo, cp);
OF_FWD(OF_PHY_PORT_FIXLEN);
}
@@ -1553,15 +1538,15 @@ of10_port_mod_print(netdissect_options *ndo,
ND_PRINT(", hw_addr %s", GET_ETHERADDR_STRING(cp));
cp += MAC_ADDR_LEN;
/* config */
- ND_PRINT("\n\t config 0x%08x", GET_BE_U_4(cp));
+ ND_PRINT("\n\t config 0x%08x", GET_BE_U_4(cp));
of_bitmap_print(ndo, ofppc_bm, GET_BE_U_4(cp), OFPPC_U);
cp += 4;
/* mask */
- ND_PRINT("\n\t mask 0x%08x", GET_BE_U_4(cp));
+ ND_PRINT("\n\t mask 0x%08x", GET_BE_U_4(cp));
of_bitmap_print(ndo, ofppc_bm, GET_BE_U_4(cp), OFPPC_U);
cp += 4;
/* advertise */
- ND_PRINT("\n\t advertise 0x%08x", GET_BE_U_4(cp));
+ ND_PRINT("\n\t advertise 0x%08x", GET_BE_U_4(cp));
of_bitmap_print(ndo, ofppf_bm, GET_BE_U_4(cp), OFPPF_U);
cp += 4;
/* pad */
@@ -1617,13 +1602,11 @@ of10_stats_request_print(netdissect_options *ndo,
switch(type) {
case OFPST_DESC:
case OFPST_TABLE:
- if (len)
- goto invalid;
+ ND_ICHECK_U(len, !=, 0);
return;
case OFPST_FLOW:
case OFPST_AGGREGATE:
- if (len != OF_FLOW_STATS_REQUEST_FIXLEN)
- goto invalid;
+ ND_ICHECK_U(len, !=, OF_FLOW_STATS_REQUEST_FIXLEN);
/* match */
of10_match_print(ndo, "\n\t ", cp);
OF_FWD(OF_MATCH_FIXLEN);
@@ -1638,8 +1621,7 @@ of10_stats_request_print(netdissect_options *ndo,
tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
return;
case OFPST_PORT:
- if (len != OF_PORT_STATS_REQUEST_FIXLEN)
- goto invalid;
+ ND_ICHECK_U(len, !=, OF_PORT_STATS_REQUEST_FIXLEN);
/* port_no */
ND_PRINT("\n\t port_no %s",
tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
@@ -1649,8 +1631,7 @@ of10_stats_request_print(netdissect_options *ndo,
OF_CHK_FWD(6);
return;
case OFPST_QUEUE:
- if (len != OF_QUEUE_STATS_REQUEST_FIXLEN)
- goto invalid;
+ ND_ICHECK_U(len, !=, OF_QUEUE_STATS_REQUEST_FIXLEN);
/* port_no */
ND_PRINT("\n\t port_no %s",
tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
@@ -1677,10 +1658,10 @@ static void
of10_desc_stats_reply_print(netdissect_options *ndo,
const u_char *cp, u_int len)
{
- if (len != OF_DESC_STATS_REPLY_FIXLEN)
- goto invalid;
+ ND_PRINT("\n\t ");
+ ND_ICHECK_U(len, !=, OF_DESC_STATS_REPLY_FIXLEN);
/* mfr_desc */
- ND_PRINT("\n\t mfr_desc '");
+ ND_PRINT(" mfr_desc '");
nd_printjnp(ndo, cp, DESC_STR_LEN);
ND_PRINT("'");
OF_FWD(DESC_STR_LEN);
@@ -1718,13 +1699,13 @@ of10_flow_stats_reply_print(netdissect_options *ndo,
while (len) {
uint16_t entry_len;
- if (len < OF_FLOW_STATS_REPLY_MINLEN)
- goto invalid;
+ ND_PRINT("\n\t");
+ ND_ICHECKMSG_U("remaining length", len, <, OF_FLOW_STATS_REPLY_MINLEN);
/* length */
entry_len = GET_BE_U_2(cp);
- ND_PRINT("\n\t length %u", entry_len);
- if (entry_len < OF_FLOW_STATS_REPLY_MINLEN || entry_len > len)
- goto invalid;
+ ND_PRINT(" length %u", entry_len);
+ ND_ICHECK_U(entry_len, <, OF_FLOW_STATS_REPLY_MINLEN);
+ ND_ICHECK_U(entry_len, >, len);
OF_FWD(2);
/* table_id */
ND_PRINT(", table_id %s",
@@ -1777,10 +1758,10 @@ static void
of10_aggregate_stats_reply_print(netdissect_options *ndo,
const u_char *cp, u_int len)
{
- if (len != OF_AGGREGATE_STATS_REPLY_FIXLEN)
- goto invalid;
+ ND_PRINT("\n\t");
+ ND_ICHECKMSG_U("remaining length", len, !=, OF_AGGREGATE_STATS_REPLY_FIXLEN);
/* packet_count */
- ND_PRINT("\n\t packet_count %" PRIu64, GET_BE_U_8(cp));
+ ND_PRINT(" packet_count %" PRIu64, GET_BE_U_8(cp));
OF_FWD(8);
/* byte_count */
ND_PRINT(", byte_count %" PRIu64, GET_BE_U_8(cp));
@@ -1804,10 +1785,10 @@ of10_table_stats_reply_print(netdissect_options *ndo,
const u_char *cp, u_int len)
{
while (len) {
- if (len < OF_TABLE_STATS_REPLY_FIXLEN)
- goto invalid;
+ ND_PRINT("\n\t");
+ ND_ICHECKMSG_U("remaining length", len, <, OF_TABLE_STATS_REPLY_FIXLEN);
/* table_id */
- ND_PRINT("\n\t table_id %s",
+ ND_PRINT(" table_id %s",
tok2str(tableid_str, "%u", GET_U_1(cp)));
OF_FWD(1);
/* pad */
@@ -1847,10 +1828,10 @@ of10_port_stats_reply_print(netdissect_options *ndo,
const u_char *cp, u_int len)
{
while (len) {
- if (len < OF_PORT_STATS_REPLY_FIXLEN)
- goto invalid;
+ ND_PRINT("\n\t ");
+ ND_ICHECKMSG_U("remaining length", len, <, OF_PORT_STATS_REPLY_FIXLEN);
/* port_no */
- ND_PRINT("\n\t port_no %s",
+ ND_PRINT(" port_no %s",
tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
OF_FWD(2);
if (ndo->ndo_vflag < 2) {
@@ -1909,10 +1890,10 @@ of10_queue_stats_reply_print(netdissect_options *ndo,
const u_char *cp, u_int len)
{
while (len) {
- if (len < OF_QUEUE_STATS_REPLY_FIXLEN)
- goto invalid;
+ ND_PRINT("\n\t ");
+ ND_ICHECKMSG_U("remaining length", len, <, OF_QUEUE_STATS_REPLY_FIXLEN);
/* port_no */
- ND_PRINT("\n\t port_no %s",
+ ND_PRINT(" port_no %s",
tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
OF_FWD(2);
/* pad */
@@ -1986,9 +1967,9 @@ of10_packet_out_print(netdissect_options *ndo,
OF_FWD(2);
/* actions_len */
actions_len = GET_BE_U_2(cp);
+ ND_PRINT(", actions_len %u", actions_len);
OF_FWD(2);
- if (actions_len > len)
- goto invalid;
+ ND_ICHECK_U(actions_len, >, len);
/* actions */
of10_actions_print(ndo, "\n\t ", cp, actions_len);
OF_FWD(actions_len);