Add CAP_FCNTL and use cap_fcntls_limit().

[tcpdump] / print-openflow.c

diff --git a/print-openflow.c b/print-openflow.c
index 9da3597fca7be26a6bfee9ef80f0a3007d499481..d7682a0ecb71aea312fb9ff645261669aa5bf470 100644 (file)
--- a/print-openflow.c
+++ b/print-openflow.c
@@ -30,6 +30,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
  * POSSIBILITY OF SUCH DAMAGE.
  */
 

+#define NETDISSECT_REWORKED

 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif


@@ -38,19 +39,42 @@
 
 #include "interface.h"
 #include "extract.h"
 
 #include "interface.h"
 #include "extract.h"

+#include "openflow.h"
+#include "oui.h"

 
 

-#define OF_HEADER_LEN 8
+static const char tstr[] = " [|openflow]";
+static const char cstr[] = " (corrupt)";
+
+#define OF_VER_1_0    0x01
+
+const struct tok onf_exp_str[] = {
+       { ONF_EXP_ONF,               "ONF Extensions"                                  },
+       { ONF_EXP_BUTE,              "Budapest University of Technology and Economics" },
+       { ONF_EXP_NOVIFLOW,          "NoviFlow"                                        },
+       { ONF_EXP_L3,                "L3+ Extensions, Vendor Neutral"                  },
+       { ONF_EXP_L4L7,              "L4-L7 Extensions"                                },
+       { ONF_EXP_WMOB,              "Wireless and Mobility Extensions"                },
+       { ONF_EXP_FABS,              "Forwarding Abstractions Extensions"              },
+       { ONF_EXP_OTRANS,            "Optical Transport Extensions"                    },
+       { 0, NULL }
+};
+
+const char *
+of_vendor_name(const uint32_t vendor) {
+       const struct tok *table = (vendor & 0xff000000) == 0 ? oui_values : onf_exp_str;
+       return tok2str(table, "unknown", vendor);
+}

 
 static void
 
 static void

-of_header_print(const uint8_t version, const uint8_t type,
+of_header_print(netdissect_options *ndo, const uint8_t version, const uint8_t type,

                       const uint16_t length, const uint32_t xid) {
                       const uint16_t length, const uint32_t xid) {

-       printf("\n\tversion unknown (0x%02x), type 0x%02x, length %u, xid 0x%08x",
-              version, type, length, xid);
+       ND_PRINT((ndo, "\n\tversion unknown (0x%02x), type 0x%02x, length %u, xid 0x%08x",
+              version, type, length, xid));

 }
 
 /* Print a single OpenFlow message. */
 static const u_char *
 }
 
 /* Print a single OpenFlow message. */
 static const u_char *

-of_header_body_print(const u_char *cp, const u_char *ep) {
+of_header_body_print(netdissect_options *ndo, const u_char *cp, const u_char *ep) {

        uint8_t version, type;
        uint16_t length;
        uint32_t xid;
        uint8_t version, type;
        uint16_t length;
        uint32_t xid;


@@ -58,19 +82,19 @@ of_header_body_print(const u_char *cp, const u_char *ep) {
        if (ep < cp + OF_HEADER_LEN)
                goto corrupt;
        /* version */
        if (ep < cp + OF_HEADER_LEN)
                goto corrupt;
        /* version */

-       TCHECK2(*cp, 1);
+       ND_TCHECK2(*cp, 1);

        version = *cp;
        cp += 1;
        /* type */
        version = *cp;
        cp += 1;
        /* type */

-       TCHECK2(*cp, 1);
+       ND_TCHECK2(*cp, 1);

        type = *cp;
        cp += 1;
        /* length */
        type = *cp;
        cp += 1;
        /* length */

-       TCHECK2(*cp, 2);
+       ND_TCHECK2(*cp, 2);

        length = EXTRACT_16BITS(cp);
        cp += 2;
        /* xid */
        length = EXTRACT_16BITS(cp);
        cp += 2;
        /* xid */

-       TCHECK2(*cp, 4);
+       ND_TCHECK2(*cp, 4);

        xid = EXTRACT_32BITS(cp);
        cp += 4;
        /* Message length includes the header length and a message always includes
        xid = EXTRACT_32BITS(cp);
        cp += 4;
        /* Message length includes the header length and a message always includes


@@ -79,34 +103,36 @@ of_header_body_print(const u_char *cp, const u_char *ep) {
         * message as possible even when it does not end within the current TCP
         * segment. */
        if (length < OF_HEADER_LEN) {
         * message as possible even when it does not end within the current TCP
         * segment. */
        if (length < OF_HEADER_LEN) {

-               of_header_print(version, type, length, xid);
+               of_header_print(ndo, version, type, length, xid);

                goto corrupt;
        }
        /* Decode known protocol versions further without printing the header (the
         * type decoding is version-specific. */
        switch (version) {
                goto corrupt;
        }
        /* Decode known protocol versions further without printing the header (the
         * type decoding is version-specific. */
        switch (version) {

+       case OF_VER_1_0:
+               return of10_header_body_print(ndo, cp, ep, type, length, xid);

        default:
        default:

-               of_header_print(version, type, length, xid);
-               TCHECK2(*cp, length - OF_HEADER_LEN);
+               of_header_print(ndo, version, type, length, xid);
+               ND_TCHECK2(*cp, length - OF_HEADER_LEN);

                return cp + length - OF_HEADER_LEN; /* done with current message */
        }
 
 corrupt: /* fail current packet */
                return cp + length - OF_HEADER_LEN; /* done with current message */
        }
 
 corrupt: /* fail current packet */

-       printf(" (corrupt)");
-       TCHECK2(*cp, ep - cp);
+       ND_PRINT((ndo, "%s", cstr));
+       ND_TCHECK2(*cp, ep - cp);

        return ep;
 trunc:
        return ep;
 trunc:

-       printf(" [|openflow]");
+       ND_PRINT((ndo, "%s", tstr));

        return ep;
 }
 
 /* Print a TCP segment worth of OpenFlow messages presuming the segment begins
  * on a message boundary. */
 void
        return ep;
 }
 
 /* Print a TCP segment worth of OpenFlow messages presuming the segment begins
  * on a message boundary. */
 void

-openflow_print(const u_char *cp, const u_int len) {
+openflow_print(netdissect_options *ndo, const u_char *cp, const u_int len) {

        const u_char *ep = cp + len;
 
        const u_char *ep = cp + len;
 

-       printf(": OpenFlow");
+       ND_PRINT((ndo, ": OpenFlow"));

        while (cp < ep)
        while (cp < ep)

-               cp = of_header_body_print(cp, ep);
+               cp = of_header_body_print(ndo, cp, ep);

 }
 }