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authorChris Johns <chrisj@rtems.org>2015-06-15 17:42:23 +1000
committerChris Johns <chrisj@rtems.org>2015-06-15 17:42:23 +1000
commit8440506ee8945ad57f5e20e9962084d67808eb22 (patch)
tree38f567b1c56846b88f5f0828bd244b05519998ba /freebsd/contrib/tcpdump/print-ppi.c
parentUpdate LibBSD doco. (diff)
downloadrtems-libbsd-8440506ee8945ad57f5e20e9962084d67808eb22.tar.bz2
Add tcpdump and libpcap.
- Update the file builder generator to handle generator specific cflags and includes. The tcpdump and libpcap have localised headers and need specific headers paths to see them. There are also module specific flags and these need to be passed to the lex and yacc generators. - Add the tcpdump support.
Diffstat (limited to 'freebsd/contrib/tcpdump/print-ppi.c')
-rw-r--r--freebsd/contrib/tcpdump/print-ppi.c106
1 files changed, 106 insertions, 0 deletions
diff --git a/freebsd/contrib/tcpdump/print-ppi.c b/freebsd/contrib/tcpdump/print-ppi.c
new file mode 100644
index 00000000..b78d8730
--- /dev/null
+++ b/freebsd/contrib/tcpdump/print-ppi.c
@@ -0,0 +1,106 @@
+#include <machine/rtems-bsd-user-space.h>
+
+/*
+ * Oracle
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <stdio.h>
+#include <pcap.h>
+
+#include "netdissect.h"
+#include "interface.h"
+#include "extract.h"
+#include "ppi.h"
+
+#ifdef DLT_PPI
+
+static inline void
+ppi_header_print(struct netdissect_options *ndo, const u_char *bp, u_int length)
+{
+ const ppi_header_t *hdr;
+ u_int32_t dlt;
+ u_int16_t len;
+
+ hdr = (const ppi_header_t *)bp;
+
+ len = EXTRACT_16BITS(&hdr->ppi_len);
+ dlt = EXTRACT_32BITS(&hdr->ppi_dlt);
+
+ if (!ndo->ndo_qflag) {
+ ND_PRINT((ndo,", V.%d DLT %s (%d) len %d", hdr->ppi_ver,
+ pcap_datalink_val_to_name(dlt), dlt,
+ len));
+ } else {
+ ND_PRINT((ndo,", %s", pcap_datalink_val_to_name(dlt)));
+ }
+
+ ND_PRINT((ndo, ", length %u: ", length));
+}
+
+static void
+ppi_print(struct netdissect_options *ndo,
+ const struct pcap_pkthdr *h, const u_char *p)
+{
+ if_ndo_printer ndo_printer;
+ if_printer printer;
+ ppi_header_t *hdr;
+ u_int caplen = h->caplen;
+ u_int length = h->len;
+ u_int32_t dlt;
+
+ if (caplen < sizeof(ppi_header_t)) {
+ ND_PRINT((ndo, "[|ppi]"));
+ return;
+ }
+ hdr = (ppi_header_t *)p;
+ dlt = EXTRACT_32BITS(&hdr->ppi_dlt);
+
+ if (ndo->ndo_eflag)
+ ppi_header_print(ndo, p, length);
+
+ length -= sizeof(ppi_header_t);
+ caplen -= sizeof(ppi_header_t);
+ p += sizeof(ppi_header_t);
+
+ if ((printer = lookup_printer(dlt)) != NULL) {
+ printer(h, p);
+ } else if ((ndo_printer = lookup_ndo_printer(dlt)) != NULL) {
+ ndo_printer(ndo, h, p);
+ } else {
+ if (!ndo->ndo_eflag)
+ ppi_header_print(ndo, (u_char *)hdr,
+ length + sizeof(ppi_header_t));
+
+ if (!ndo->ndo_suppress_default_print)
+ ndo->ndo_default_print(ndo, p, caplen);
+ }
+}
+
+/*
+ * 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
+ppi_if_print(struct netdissect_options *ndo,
+ const struct pcap_pkthdr *h, const u_char *p)
+{
+ ppi_print(ndo, h, p);
+
+ return (sizeof(ppi_header_t));
+}
+
+/*
+ * Local Variables:
+ * c-style: whitesmith
+ * c-basic-offset: 8
+ * End:
+ */
+
+#endif /* DLT_PPI */