Add CAP_FCNTL and use cap_fcntls_limit().

[tcpdump] / print-usb.c

diff --git a/print-usb.c b/print-usb.c
index 1195133fd0bc9d4a846fd527663cfbb0eb5de109..75f78fc9025a825a4fc3064b768a00ddd4868b4b 100644 (file)
--- a/print-usb.c
+++ b/print-usb.c
@@ -19,24 +19,24 @@
  *
  */
 
  *
  */
 

+#define NETDISSECT_REWORKED

 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #include <tcpdump-stdinc.h>
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #include <tcpdump-stdinc.h>
 

-#include <pcap.h>
-#include <stdio.h>
-#include <string.h>
-

 #include "interface.h"
 
 
 #if defined(HAVE_PCAP_USB_H) && defined(DLT_USB_LINUX)
 #include <pcap/usb.h>
 
 #include "interface.h"
 
 
 #if defined(HAVE_PCAP_USB_H) && defined(DLT_USB_LINUX)
 #include <pcap/usb.h>
 

+static const char tstr[] = "[|usb]";
+

 /* returns direction: 1=inbound 2=outbound -1=invalid */
 /* returns direction: 1=inbound 2=outbound -1=invalid */

-static int get_direction(int transfer_type, int event_type)
+static int
+get_direction(int transfer_type, int event_type)

 {
        int direction;
 
 {
        int direction;
 


@@ -79,65 +79,97 @@ static int get_direction(int transfer_type, int event_type)
        return direction;
 }
 
        return direction;
 }
 

-/*
- * This is the top level routine of the printer.  'p' points
- * to the ether header of the packet, 'h->ts' is the timestamp,
- * 'h->len' is the length of the packet off the wire, and 'h->caplen'
- * is the number of bytes actually captured.
- */
-u_int usb_linux_print(const struct pcap_pkthdr *h, register const u_char *p)
+static void
+usb_header_print(netdissect_options *ndo, const pcap_usb_header *uh)

 {
 {

-       const pcap_usb_header *uh;

        int direction;
 
        int direction;
 

-       if (h->caplen < sizeof(pcap_usb_header)) {
-               printf("[|usb]");
-               return(sizeof(pcap_usb_header));
-       }
-
-       uh = (const pcap_usb_header *) p;

        switch(uh->transfer_type)
        {
                case URB_ISOCHRONOUS:
        switch(uh->transfer_type)
        {
                case URB_ISOCHRONOUS:

-                       printf("ISOCHRONOUS");
+                       ND_PRINT((ndo, "ISOCHRONOUS"));

                        break;
                case URB_INTERRUPT:
                        break;
                case URB_INTERRUPT:

-                       printf("INTERRUPT");
+                       ND_PRINT((ndo, "INTERRUPT"));

                        break;
                case URB_CONTROL:
                        break;
                case URB_CONTROL:

-                       printf("CONTROL");
+                       ND_PRINT((ndo, "CONTROL"));

                        break;
                case URB_BULK:
                        break;
                case URB_BULK:

-                       printf("BULK");
+                       ND_PRINT((ndo, "BULK"));

                        break;
                default:
                        break;
                default:

-                       printf(" ?");
+                       ND_PRINT((ndo, " ?"));

        }
 
        switch(uh->event_type)
        {
                case URB_SUBMIT:
        }
 
        switch(uh->event_type)
        {
                case URB_SUBMIT:

-                       printf(" SUBMIT");
+                       ND_PRINT((ndo, " SUBMIT"));

                        break;
                case URB_COMPLETE:
                        break;
                case URB_COMPLETE:

-                       printf(" COMPLETE");
+                       ND_PRINT((ndo, " COMPLETE"));

                        break;
                case URB_ERROR:
                        break;
                case URB_ERROR:

-                       printf(" ERROR");
+                       ND_PRINT((ndo, " ERROR"));

                        break;
                default:
                        break;
                default:

-                       printf(" ?");
+                       ND_PRINT((ndo, " ?"));

        }
 
        direction = get_direction(uh->transfer_type, uh->event_type);
        if(direction == 1)
        }
 
        direction = get_direction(uh->transfer_type, uh->event_type);
        if(direction == 1)

-               printf(" from");
+               ND_PRINT((ndo, " from"));

        else if(direction == 2)
        else if(direction == 2)

-               printf(" to");
-       printf(" %d:%d:%d", uh->bus_id, uh->device_address, uh->endpoint_number & 0x7f);
+               ND_PRINT((ndo, " to"));
+       ND_PRINT((ndo, " %d:%d:%d", uh->bus_id, uh->device_address, uh->endpoint_number & 0x7f));
+}
+
+/*
+ * This is the top level routine of the printer for captures with a
+ * 48-byte header.
+ *
+ * 'p' points to the header of the packet, 'h->ts' is the timestamp,
+ * 'h->len' is the length of the packet off the wire, and 'h->caplen'
+ * is the number of bytes actually captured.
+ */
+u_int
+usb_linux_48_byte_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
+                        register const u_char *p)
+{
+       if (h->caplen < sizeof(pcap_usb_header)) {
+               ND_PRINT((ndo, "%s", tstr));
+               return(sizeof(pcap_usb_header));
+       }
+
+       usb_header_print(ndo, (const pcap_usb_header *) p);

 
        return(sizeof(pcap_usb_header));
 }
 
 
        return(sizeof(pcap_usb_header));
 }
 

-#endif
+#ifdef DLT_USB_LINUX_MMAPPED
+/*
+ * This is the top level routine of the printer for captures with a
+ * 64-byte header.
+ *
+ * 'p' points to the header of the packet, 'h->ts' is the timestamp,
+ * 'h->len' is the length of the packet off the wire, and 'h->caplen'
+ * is the number of bytes actually captured.
+ */
+u_int
+usb_linux_64_byte_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
+                        register const u_char *p)
+{
+       if (h->caplen < sizeof(pcap_usb_header_mmapped)) {
+               ND_PRINT((ndo, "%s", tstr));
+               return(sizeof(pcap_usb_header_mmapped));
+       }
+
+       usb_header_print(ndo, (const pcap_usb_header *) p);
+
+       return(sizeof(pcap_usb_header_mmapped));
+}
+#endif /* DLT_USB_LINUX_MMAPPED */
+
+#endif /* defined(HAVE_PCAP_USB_H) && defined(DLT_USB_LINUX) */